Optimize a model with 48 rows, 1128 columns and 2256 nonzeros Presolve time: 0.00s Presolved: 48 rows, 1128 columns, 2256 nonzeros Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.183050e+04, 70 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 11830.5000 0 14 47372.0000 11830.5000 75.0% - 0s H 0 0 13574.000000 11830.5000 12.8% - 0s 0 0 11852.0000 0 6 13574.0000 11852.0000 12.7% - 0s 0 0 11874.5000 0 10 13574.0000 11874.5000 12.5% - 0s 0 0 11884.0000 0 8 13574.0000 11884.0000 12.5% - 0s 0 0 11885.5000 0 6 13574.0000 11885.5000 12.4% - 0s * 0 0 0 11890.000000 11890.0000 0.0% - 0s Cutting planes: MIR: 12 Zero half: 6 Explored 0 nodes (85 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.189000000000e+04, best bound 1.189000000000e+04, gap 0.0% adding cut for [(33, 46), (2, 9), (2, 10), (9, 38), (10, 40), (44, 46), (13, 16), (12, 13), (12, 47), (16, 40), (21, 33), (21, 47), (31, 38), (31, 44)] adding cut for [(7, 37), (7, 30), (18, 43), (18, 27), (20, 37), (20, 27), (30, 43)] adding cut for [(35, 45), (5, 35), (5, 26), (11, 25), (11, 26), (25, 45)] adding cut for [(42, 48), (3, 42), (3, 29), (6, 48), (6, 29)] adding cut for [(4, 41), (4, 23), (17, 41), (17, 23)] adding cut for [(8, 19), (8, 28), (19, 36), (28, 36)] Optimize a model with 54 rows, 1128 columns and 2405 nonzeros Presolve time: 0.00s Presolved: 54 rows, 1128 columns, 2405 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.200400e+04, 76 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12004.0000 0 12 47372.0000 12004.0000 74.7% - 0s Another try with MIP start H 0 0 13980.000000 12004.0000 14.1% - 0s 0 0 12030.5000 0 10 13980.0000 12030.5000 13.9% - 0s 0 0 12044.5000 0 8 13980.0000 12044.5000 13.8% - 0s 0 0 12049.2500 0 17 13980.0000 12049.2500 13.8% - 0s 0 0 12053.0000 0 14 13980.0000 12053.0000 13.8% - 0s 0 0 12055.2500 0 19 13980.0000 12055.2500 13.8% - 0s 0 0 12059.5000 0 15 13980.0000 12059.5000 13.7% - 0s 0 0 12070.6667 0 30 13980.0000 12070.6667 13.7% - 0s 0 0 12073.8000 0 39 13980.0000 12073.8000 13.6% - 0s 0 0 12075.8000 0 35 13980.0000 12075.8000 13.6% - 0s 0 0 12079.2364 0 41 13980.0000 12079.2364 13.6% - 0s 0 0 12083.4000 0 36 13980.0000 12083.4000 13.6% - 0s * 0 0 0 12094.000000 12094.0000 0.0% - 0s Cutting planes: MIR: 1 Zero half: 17 Explored 0 nodes (121 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209400000000e+04, best bound 1.209400000000e+04, gap 0.0% adding cut for [(3, 26), (3, 29), (5, 35), (5, 26), (6, 48), (6, 29), (42, 48), (11, 45), (11, 25), (35, 45), (25, 42)] adding cut for [(7, 37), (7, 28), (18, 43), (18, 27), (20, 37), (20, 27), (28, 30), (30, 43)] adding cut for [(34, 41), (4, 34), (4, 23), (17, 41), (17, 23)] adding cut for [(8, 19), (8, 36), (19, 36)] Optimize a model with 58 rows, 1128 columns and 2501 nonzeros Presolve time: 0.00s Presolved: 58 rows, 1128 columns, 2501 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.213850e+04, 73 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12138.5000 0 18 47372.0000 12138.5000 74.4% - 0s Another try with MIP start H 0 0 13253.000000 12138.5000 8.41% - 0s 0 0 12164.7500 0 31 13253.0000 12164.7500 8.21% - 0s 0 0 12164.7500 0 18 13253.0000 12164.7500 8.21% - 0s H 0 0 12917.000000 12164.7500 5.82% - 0s 0 0 12164.7500 0 31 12917.0000 12164.7500 5.82% - 0s 0 2 12174.5000 0 31 12917.0000 12174.5000 5.75% - 0s H 1 2 12591.000000 12174.5000 3.31% 0.0 0s * 7 5 13 12227.000000 12227.0000 0.0% 0.0 0s Cutting planes: Gomory: 8 MIR: 3 Zero half: 6 Explored 7 nodes (271 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.222700000000e+04, best bound 1.222700000000e+04, gap 0.0% adding cut for [(33, 46), (2, 9), (2, 10), (4, 40), (4, 23), (12, 47), (9, 38), (10, 40), (44, 46), (34, 41), (13, 16), (13, 21), (16, 33), (17, 41), (17, 23), (21, 47), (31, 38), (31, 44)] adding cut for [(7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 36), (20, 37), (20, 27), (30, 36), (30, 43)] Optimize a model with 60 rows, 1128 columns and 2727 nonzeros Presolve time: 0.00s Presolved: 60 rows, 1128 columns, 2727 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.222950e+04, 80 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12229.5000 0 6 47372.0000 12229.5000 74.2% - 0s Another try with MIP start H 0 0 12296.000000 12229.5000 0.54% - 0s 0 0 12260.5000 0 10 12296.0000 12260.5000 0.29% - 0s 0 0 12260.5000 0 5 12296.0000 12260.5000 0.29% - 0s 0 0 12260.5000 0 5 12296.0000 12260.5000 0.29% - 0s * 0 0 0 12264.000000 12264.0000 0.0% - 0s Cutting planes: Gomory: 2 Clique: 3 Zero half: 1 Explored 0 nodes (152 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226400000000e+04, best bound 1.226400000000e+04, gap 0.0% adding cut for [(33, 46), (2, 9), (2, 10), (9, 38), (10, 40), (12, 13), (12, 47), (13, 16), (16, 40), (21, 33), (21, 47), (31, 38), (31, 46)] adding cut for [(7, 37), (7, 28), (18, 43), (18, 27), (20, 37), (20, 27), (28, 36), (30, 36), (30, 43)] adding cut for [(8, 19), (8, 44), (19, 44)] Optimize a model with 63 rows, 1128 columns and 2844 nonzeros Presolve time: 0.00s Presolved: 63 rows, 1128 columns, 2844 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.223150e+04, 79 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12231.5000 0 6 47372.0000 12231.5000 74.2% - 0s Another try with MIP start H 0 0 12266.000000 12231.5000 0.28% - 0s 0 0 12262.5000 0 10 12266.0000 12262.5000 0.03% - 0s Cutting planes: Clique: 1 Explored 0 nodes (87 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226600000000e+04, best bound 1.226600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 13), (12, 47), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 64 rows, 1128 columns and 3144 nonzeros Presolve time: 0.00s Presolved: 64 rows, 1128 columns, 3144 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.227650e+04, 77 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12276.5000 0 6 47372.0000 12276.5000 74.1% - 0s Another try with MIP start H 0 0 12528.000000 12276.5000 2.01% - 0s 0 0 12327.5000 0 8 12528.0000 12327.5000 1.60% - 0s 0 0 12327.5000 0 6 12528.0000 12327.5000 1.60% - 0s 0 0 12330.5000 0 10 12528.0000 12330.5000 1.58% - 0s H 0 0 12387.000000 12330.5000 0.46% - 0s 0 0 12333.5000 0 14 12387.0000 12333.5000 0.43% - 0s 0 2 12337.5000 0 14 12387.0000 12337.5000 0.40% - 0s H 3 3 12382.000000 12337.5000 0.36% 0.3 0s H 4 3 12380.000000 12337.5000 0.34% 0.2 0s * 5 4 12 12340.000000 12340.0000 0.0% 0.2 0s Cutting planes: Gomory: 4 MIR: 7 Zero half: 6 Explored 5 nodes (231 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.234000000000e+04, best bound 1.234000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (4, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 65 rows, 1128 columns and 3579 nonzeros Presolve time: 0.00s Presolved: 65 rows, 1128 columns, 3579 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.228600e+04, 80 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12286.0000 0 10 47372.0000 12286.0000 74.1% - 0s Another try with MIP start H 0 0 12352.000000 12286.0000 0.53% - 0s 0 0 12339.0000 0 8 12352.0000 12339.0000 0.11% - 0s 0 0 12339.0000 0 8 12352.0000 12339.0000 0.11% - 0s 0 0 12346.6667 0 24 12352.0000 12346.6667 0.04% - 0s Cutting planes: Gomory: 1 Zero half: 2 Explored 0 nodes (166 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.235200000000e+04, best bound 1.235200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (4, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 66 rows, 1128 columns and 3985 nonzeros Presolve time: 0.00s Presolved: 66 rows, 1128 columns, 3985 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.231150e+04, 82 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12311.5000 0 8 47372.0000 12311.5000 74.0% - 0s Another try with MIP start H 0 0 12393.000000 12311.5000 0.66% - 0s H 0 0 12375.000000 12311.5000 0.51% - 0s 0 0 12359.0000 0 8 12375.0000 12359.0000 0.13% - 0s 0 0 12359.0000 0 7 12375.0000 12359.0000 0.13% - 0s 0 0 12364.5000 0 16 12375.0000 12364.5000 0.08% - 0s 0 0 cutoff 0 12375.0000 12374.0124 0.01% - 0s Cutting planes: Gomory: 1 Clique: 6 Flow cover: 2 Zero half: 4 Explored 0 nodes (173 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.237500000000e+04, best bound 1.237500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (13, 16), (13, 21), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 67 rows, 1128 columns and 4238 nonzeros Presolve time: 0.00s Presolved: 67 rows, 1128 columns, 4238 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.237700e+04, 80 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 12377.000000 12377.0000 0.0% - 0s Explored 0 nodes (80 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.237700000000e+04, best bound 1.237700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 68 rows, 1128 columns and 4673 nonzeros Presolve time: 0.01s Presolved: 68 rows, 1128 columns, 4673 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.238900e+04, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 12389.000000 12389.0000 0.0% - 0s Explored 0 nodes (88 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.238900000000e+04, best bound 1.238900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 69 rows, 1128 columns and 5108 nonzeros Presolve time: 0.01s Presolved: 69 rows, 1128 columns, 5108 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.239350e+04, 92 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12393.5000 0 20 47372.0000 12393.5000 73.8% - 0s Another try with MIP start H 0 0 12592.000000 12393.5000 1.58% - 0s H 0 0 12522.000000 12393.5000 1.03% - 0s 0 0 12396.0000 0 10 12522.0000 12396.0000 1.01% - 0s 0 0 12396.0000 0 20 12522.0000 12396.0000 1.01% - 0s 0 0 12396.0000 0 10 12522.0000 12396.0000 1.01% - 0s 0 0 12401.0000 0 18 12522.0000 12401.0000 0.97% - 0s * 0 0 0 12403.000000 12403.0000 0.0% - 0s Cutting planes: Gomory: 5 Zero half: 3 Explored 0 nodes (186 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.240300000000e+04, best bound 1.240300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 70 rows, 1128 columns and 5433 nonzeros Presolve time: 0.01s Presolved: 70 rows, 1128 columns, 5433 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.239350e+04, 92 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12393.5000 0 20 47372.0000 12393.5000 73.8% - 0s Another try with MIP start H 0 0 12415.000000 12393.5000 0.17% - 0s 0 0 12396.2500 0 18 12415.0000 12396.2500 0.15% - 0s Cutting planes: Mod-K: 1 Explored 0 nodes (93 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.241500000000e+04, best bound 1.241500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 71 rows, 1128 columns and 5733 nonzeros Presolve time: 0.01s Presolved: 71 rows, 1128 columns, 5733 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.239710e+04, 95 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12397.1000 0 32 47372.0000 12397.1000 73.8% - 0s Another try with MIP start H 0 0 12592.000000 12397.1000 1.55% - 0s H 0 0 12522.000000 12397.1000 1.00% - 0s 0 0 12403.2000 0 26 12522.0000 12403.2000 0.95% - 0s 0 0 12403.2000 0 32 12522.0000 12403.2000 0.95% - 0s 0 0 12431.3333 0 18 12522.0000 12431.3333 0.72% - 0s 0 0 12435.8125 0 37 12522.0000 12435.8125 0.69% - 0s * 0 0 0 12444.000000 12444.0000 0.0% - 0s Cutting planes: Gomory: 7 Zero half: 5 Explored 0 nodes (199 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.244400000000e+04, best bound 1.244400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 72 rows, 1128 columns and 6058 nonzeros Presolve time: 0.01s Presolved: 72 rows, 1128 columns, 6058 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.240340e+04, 101 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12403.4000 0 32 47372.0000 12403.4000 73.8% - 0s Another try with MIP start H 0 0 12507.000000 12403.4000 0.83% - 0s 0 0 12413.1250 0 37 12507.0000 12413.1250 0.75% - 0s 0 0 12413.1250 0 29 12507.0000 12413.1250 0.75% - 0s 0 0 12436.5000 0 12 12507.0000 12436.5000 0.56% - 0s 0 0 12436.5714 0 26 12507.0000 12436.5714 0.56% - 0s 0 0 12436.8125 0 20 12507.0000 12436.8125 0.56% - 0s 0 0 12436.8616 0 34 12507.0000 12436.8616 0.56% - 0s 0 0 12439.7429 0 38 12507.0000 12439.7429 0.54% - 0s 0 0 12440.0554 0 46 12507.0000 12440.0554 0.54% - 0s 0 0 12440.7188 0 29 12507.0000 12440.7188 0.53% - 0s H 0 0 12484.000000 12440.7188 0.35% - 0s H 0 0 12481.000000 12440.7188 0.32% - 0s 0 0 cutoff 0 12481.0000 12481.0000 0.0% - 0s Cutting planes: Gomory: 3 Clique: 1 Zero half: 1 Mod-K: 4 Explored 1 nodes (213 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.248100000000e+04, best bound 1.248100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] adding cut for [(32, 39), (3, 42), (3, 29), (5, 35), (5, 26), (6, 48), (6, 29), (39, 48), (11, 45), (11, 25), (35, 45), (25, 32), (26, 42)] Optimize a model with 74 rows, 1128 columns and 6542 nonzeros Presolve time: 0.01s Presolved: 74 rows, 1128 columns, 6542 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.241775e+04, 99 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12417.7500 0 22 47372.0000 12417.7500 73.8% - 0s Another try with MIP start H 0 0 12592.000000 12417.7500 1.38% - 0s 0 0 12422.0000 0 35 12592.0000 12422.0000 1.35% - 0s 0 0 12422.0000 0 22 12592.0000 12422.0000 1.35% - 0s H 0 0 12555.000000 12422.0000 1.06% - 0s H 0 0 12496.000000 12422.0000 0.59% - 0s * 0 0 0 12484.000000 12484.0000 0.0% - 0s Cutting planes: Gomory: 1 Zero half: 4 Explored 0 nodes (192 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.248400000000e+04, best bound 1.248400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 75 rows, 1128 columns and 6842 nonzeros Presolve time: 0.01s Presolved: 75 rows, 1128 columns, 6842 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.241775e+04, 98 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12417.7500 0 22 47372.0000 12417.7500 73.8% - 0s Another try with MIP start H 0 0 12592.000000 12417.7500 1.38% - 0s 0 0 12422.0000 0 35 12592.0000 12422.0000 1.35% - 0s 0 0 12422.0000 0 22 12592.0000 12422.0000 1.35% - 0s 0 0 12485.0000 0 14 12592.0000 12485.0000 0.85% - 0s 0 0 12494.5000 0 22 12592.0000 12494.5000 0.77% - 0s * 0 0 0 12496.000000 12496.0000 0.0% - 0s Cutting planes: Gomory: 3 Zero half: 4 Explored 0 nodes (200 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.249600000000e+04, best bound 1.249600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 76 rows, 1128 columns and 7248 nonzeros Presolve time: 0.01s Presolved: 76 rows, 1128 columns, 7248 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.242375e+04, 87 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12423.7500 0 26 47372.0000 12423.7500 73.8% - 0s Another try with MIP start H 0 0 12508.000000 12423.7500 0.67% - 0s 0 0 12442.7500 0 30 12508.0000 12442.7500 0.52% - 0s 0 0 12442.7500 0 22 12508.0000 12442.7500 0.52% - 0s 0 0 12485.0000 0 14 12508.0000 12485.0000 0.18% - 0s 0 0 12495.3333 0 26 12508.0000 12495.3333 0.10% - 0s 0 1 12497.0000 0 26 12508.0000 12497.0000 0.09% - 0s H 1 1 12507.000000 12497.0000 0.08% 0.0 0s Cutting planes: Gomory: 2 Zero half: 1 Explored 1 nodes (195 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.250700000000e+04, best bound 1.250700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 77 rows, 1128 columns and 7626 nonzeros Presolve time: 0.01s Presolved: 77 rows, 1128 columns, 7626 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.242375e+04, 87 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12423.7500 0 26 47372.0000 12423.7500 73.8% - 0s Another try with MIP start H 0 0 12519.000000 12423.7500 0.76% - 0s 0 0 12428.0000 0 39 12519.0000 12428.0000 0.73% - 0s 0 0 12428.0000 0 24 12519.0000 12428.0000 0.73% - 0s 0 0 12485.0000 0 14 12519.0000 12485.0000 0.27% - 0s 0 0 12486.0000 0 22 12519.0000 12486.0000 0.26% - 0s 0 1 12490.6250 0 22 12519.0000 12490.6250 0.23% - 0s H 1 1 12508.000000 12490.6250 0.14% 1.0 0s Cutting planes: Gomory: 2 Zero half: 2 Explored 1 nodes (188 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.250800000000e+04, best bound 1.250800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 78 rows, 1128 columns and 8032 nonzeros Presolve time: 0.01s Presolved: 78 rows, 1128 columns, 8032 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243067e+04, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12430.6667 0 28 47372.0000 12430.6667 73.8% - 0s Another try with MIP start H 0 0 13528.000000 12430.6667 8.11% - 0s 0 0 12444.0000 0 43 13528.0000 12444.0000 8.01% - 0s 0 0 12450.3333 0 38 13528.0000 12450.3333 7.97% - 0s 0 0 12454.6667 0 38 13528.0000 12454.6667 7.93% - 0s 0 0 12457.6667 0 51 13528.0000 12457.6667 7.91% - 0s 0 0 12477.0000 0 44 13528.0000 12477.0000 7.77% - 0s 0 0 12477.0000 0 47 13528.0000 12477.0000 7.77% - 0s 0 0 12479.0000 0 50 13528.0000 12479.0000 7.75% - 0s 0 0 12481.6667 0 37 13528.0000 12481.6667 7.73% - 0s 0 0 12488.6250 0 22 13528.0000 12488.6250 7.68% - 0s 0 0 12490.3750 0 34 13528.0000 12490.3750 7.67% - 0s 0 0 12492.6000 0 34 13528.0000 12492.6000 7.65% - 0s 0 0 12492.6577 0 55 13528.0000 12492.6577 7.65% - 0s H 0 0 12812.000000 12492.6577 2.49% - 0s H 0 0 12519.000000 12492.6577 0.21% - 0s * 0 0 0 12510.000000 12510.0000 0.0% - 0s Explored 0 nodes (151 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.251000000000e+04, best bound 1.251000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 79 rows, 1128 columns and 8383 nonzeros Presolve time: 0.01s Presolved: 79 rows, 1128 columns, 8383 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243067e+04, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12430.6667 0 28 47372.0000 12430.6667 73.8% - 0s Another try with MIP start H 0 0 13161.000000 12430.6667 5.55% - 0s 0 0 12444.0000 0 36 13161.0000 12444.0000 5.45% - 0s 0 0 12444.0000 0 28 13161.0000 12444.0000 5.45% - 0s 0 0 12446.2500 0 41 13161.0000 12446.2500 5.43% - 0s 0 0 12457.6000 0 52 13161.0000 12457.6000 5.34% - 0s 0 0 12460.6667 0 41 13161.0000 12460.6667 5.32% - 0s 0 0 12463.0000 0 47 13161.0000 12463.0000 5.30% - 0s 0 0 12469.5000 0 18 13161.0000 12469.5000 5.25% - 0s 0 0 12480.5000 0 54 13161.0000 12480.5000 5.17% - 0s 0 0 12482.6000 0 35 13161.0000 12482.6000 5.15% - 0s 0 0 12483.4167 0 52 13161.0000 12483.4167 5.15% - 0s 0 0 12483.4167 0 54 13161.0000 12483.4167 5.15% - 0s 0 0 12485.3000 0 64 13161.0000 12485.3000 5.13% - 0s 0 0 12487.1250 0 41 13161.0000 12487.1250 5.12% - 0s 0 0 12495.8571 0 40 13161.0000 12495.8571 5.05% - 0s 0 0 12495.8571 0 52 13161.0000 12495.8571 5.05% - 0s 0 0 12496.6667 0 37 13161.0000 12496.6667 5.05% - 0s 0 0 12496.6939 0 56 13161.0000 12496.6939 5.05% - 0s H 0 0 13023.000000 12496.6939 4.04% - 0s H 0 0 12894.000000 12496.6939 3.08% - 0s H 0 0 12718.000000 12496.6939 1.74% - 0s 0 0 12496.9392 0 56 12718.0000 12496.9392 1.74% - 0s 0 2 12498.4444 0 56 12718.0000 12498.4444 1.73% - 0s H 1 2 12703.000000 12498.4444 1.61% 0.0 0s H 11 8 12517.000000 12511.6667 0.04% 0.0 0s H 11 7 12515.000000 12511.6667 0.03% 0.0 0s Cutting planes: Gomory: 5 Zero half: 7 Explored 13 nodes (399 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.251500000000e+04, best bound 1.251500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 80 rows, 1128 columns and 8708 nonzeros Presolve time: 0.01s Presolved: 80 rows, 1128 columns, 8708 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243067e+04, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12430.6667 0 28 47372.0000 12430.6667 73.8% - 0s Another try with MIP start H 0 0 13161.000000 12430.6667 5.55% - 0s 0 0 12444.0000 0 36 13161.0000 12444.0000 5.45% - 0s 0 0 12444.0000 0 28 13161.0000 12444.0000 5.45% - 0s 0 0 12446.2500 0 41 13161.0000 12446.2500 5.43% - 0s 0 0 12457.6000 0 52 13161.0000 12457.6000 5.34% - 0s 0 0 12460.6667 0 41 13161.0000 12460.6667 5.32% - 0s 0 0 12463.0000 0 47 13161.0000 12463.0000 5.30% - 0s 0 0 12469.5000 0 18 13161.0000 12469.5000 5.25% - 0s 0 0 12480.5000 0 54 13161.0000 12480.5000 5.17% - 0s 0 0 12482.6000 0 35 13161.0000 12482.6000 5.15% - 0s 0 0 12483.4167 0 52 13161.0000 12483.4167 5.15% - 0s 0 0 12483.4912 0 56 13161.0000 12483.4912 5.15% - 0s 0 0 12483.8750 0 64 13161.0000 12483.8750 5.14% - 0s H 0 0 12936.000000 12483.8750 3.50% - 0s H 0 0 12617.000000 12483.8750 1.06% - 0s 0 0 12486.9933 0 65 12617.0000 12486.9933 1.03% - 0s 0 2 12490.6389 0 65 12617.0000 12490.6389 1.00% - 0s H 1 2 12547.000000 12490.6389 0.45% 0.0 0s * 8 6 13 12517.000000 12517.0000 0.0% 0.0 0s Cutting planes: Gomory: 11 MIR: 1 Zero half: 12 Explored 8 nodes (357 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.251700000000e+04, best bound 1.251700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 21), (13, 16), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 81 rows, 1128 columns and 9114 nonzeros Presolve time: 0.01s Presolved: 81 rows, 1128 columns, 9114 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243067e+04, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12430.6667 0 28 47372.0000 12430.6667 73.8% - 0s Another try with MIP start H 0 0 13161.000000 12430.6667 5.55% - 0s 0 0 12444.0000 0 36 13161.0000 12444.0000 5.45% - 0s 0 0 12444.0000 0 28 13161.0000 12444.0000 5.45% - 0s 0 0 12446.2500 0 41 13161.0000 12446.2500 5.43% - 0s 0 0 12457.6000 0 52 13161.0000 12457.6000 5.34% - 0s 0 0 12460.6667 0 41 13161.0000 12460.6667 5.32% - 0s 0 0 12463.0000 0 47 13161.0000 12463.0000 5.30% - 0s 0 0 12469.5000 0 18 13161.0000 12469.5000 5.25% - 0s 0 0 12480.5000 0 54 13161.0000 12480.5000 5.17% - 0s 0 0 12482.6000 0 35 13161.0000 12482.6000 5.15% - 0s 0 0 12483.4167 0 52 13161.0000 12483.4167 5.15% - 0s 0 0 12483.4912 0 56 13161.0000 12483.4912 5.15% - 0s 0 0 12483.8750 0 64 13161.0000 12483.8750 5.14% - 0s 0 0 12488.3148 0 68 13161.0000 12488.3148 5.11% - 0s 0 0 12495.3684 0 56 13161.0000 12495.3684 5.06% - 0s 0 0 12497.5556 0 55 13161.0000 12497.5556 5.04% - 0s 0 0 12497.6364 0 59 13161.0000 12497.6364 5.04% - 0s H 0 0 12734.000000 12497.6364 1.86% - 0s H 0 0 12718.000000 12497.6364 1.73% - 0s H 0 0 12655.000000 12497.6364 1.24% - 0s H 0 0 12586.000000 12497.6364 0.70% - 0s 0 2 12497.6364 0 58 12586.0000 12497.6364 0.70% - 0s * 7 4 6 12538.000000 12514.5000 0.19% 6.6 0s * 8 1 5 12526.000000 12514.5000 0.09% 6.1 0s * 9 0 3 12519.000000 12519.0000 0.0% 5.9 0s Cutting planes: Gomory: 1 MIR: 1 Zero half: 15 Explored 10 nodes (304 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.251900000000e+04, best bound 1.251900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 82 rows, 1128 columns and 9465 nonzeros Presolve time: 0.01s Presolved: 82 rows, 1128 columns, 9465 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243067e+04, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12430.6667 0 28 47372.0000 12430.6667 73.8% - 0s Another try with MIP start H 0 0 12833.000000 12430.6667 3.14% - 0s 0 0 12436.3333 0 38 12833.0000 12436.3333 3.09% - 0s 0 0 12436.3333 0 28 12833.0000 12436.3333 3.09% - 0s 0 0 12439.3333 0 36 12833.0000 12439.3333 3.07% - 0s 0 0 12445.5385 0 45 12833.0000 12445.5385 3.02% - 0s 0 0 12458.8462 0 48 12833.0000 12458.8462 2.92% - 0s 0 0 12461.5385 0 44 12833.0000 12461.5385 2.89% - 0s 0 0 12473.0625 0 46 12833.0000 12473.0625 2.80% - 0s 0 0 12475.2500 0 56 12833.0000 12475.2500 2.79% - 0s 0 0 12482.6000 0 35 12833.0000 12482.6000 2.73% - 0s 0 0 12483.4167 0 52 12833.0000 12483.4167 2.72% - 0s 0 0 12483.4912 0 56 12833.0000 12483.4912 2.72% - 0s 0 0 12485.1071 0 64 12833.0000 12485.1071 2.71% - 0s 0 0 12489.1059 0 55 12833.0000 12489.1059 2.68% - 0s 0 0 12492.2222 0 58 12833.0000 12492.2222 2.66% - 0s 0 0 12493.9286 0 60 12833.0000 12493.9286 2.64% - 0s H 0 0 12718.000000 12493.9286 1.76% - 0s 0 0 12495.1607 0 64 12718.0000 12495.1607 1.75% - 0s H 0 0 12699.000000 12495.1607 1.61% - 0s H 0 0 12616.000000 12495.1607 0.96% - 0s H 0 0 12557.000000 12495.1607 0.49% - 0s 0 1 12495.6667 0 64 12557.0000 12495.6667 0.49% - 0s H 1 1 12535.000000 12495.6667 0.31% 0.0 0s H 3 2 12526.000000 12517.0000 0.07% 0.0 0s Explored 4 nodes (278 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.252600000000e+04, best bound 1.252600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] adding cut for [(9, 17), (2, 9), (2, 23), (17, 23)] Optimize a model with 84 rows, 1128 columns and 9747 nonzeros Presolve time: 0.01s Presolved: 84 rows, 1128 columns, 9747 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243067e+04, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12430.6667 0 28 47372.0000 12430.6667 73.8% - 0s Another try with MIP start H 0 0 12801.000000 12430.6667 2.89% - 0s 0 0 12436.3333 0 38 12801.0000 12436.3333 2.85% - 0s 0 0 12436.3333 0 28 12801.0000 12436.3333 2.85% - 0s 0 0 12439.3333 0 36 12801.0000 12439.3333 2.83% - 0s 0 0 12450.5385 0 42 12801.0000 12450.5385 2.74% - 0s 0 0 12461.5385 0 51 12801.0000 12461.5385 2.65% - 0s 0 0 12462.6923 0 44 12801.0000 12462.6923 2.64% - 0s 0 0 12473.0625 0 46 12801.0000 12473.0625 2.56% - 0s 0 0 12475.2500 0 56 12801.0000 12475.2500 2.54% - 0s 0 0 12482.6000 0 35 12801.0000 12482.6000 2.49% - 0s 0 0 12483.4167 0 52 12801.0000 12483.4167 2.48% - 0s 0 0 12483.4167 0 54 12801.0000 12483.4167 2.48% - 0s 0 0 12486.7333 0 55 12801.0000 12486.7333 2.46% - 0s 0 0 12488.6250 0 22 12801.0000 12488.6250 2.44% - 0s 0 0 12491.3478 0 53 12801.0000 12491.3478 2.42% - 0s 0 0 12493.1750 0 59 12801.0000 12493.1750 2.40% - 0s 0 0 12494.8571 0 59 12801.0000 12494.8571 2.39% - 0s 0 0 12495.8067 0 62 12801.0000 12495.8067 2.38% - 0s 0 0 12497.2208 0 61 12801.0000 12497.2208 2.37% - 0s 0 0 12499.4444 0 44 12801.0000 12499.4444 2.36% - 0s 0 0 12499.7061 0 63 12801.0000 12499.7061 2.35% - 0s 0 0 12499.8051 0 60 12801.0000 12499.8051 2.35% - 0s 0 0 12499.8992 0 64 12801.0000 12499.8992 2.35% - 0s H 0 0 12718.000000 12499.8992 1.71% - 0s H 0 0 12546.000000 12499.8992 0.37% - 0s 0 1 12505.4000 0 47 12546.0000 12505.4000 0.32% - 0s * 7 3 6 12537.000000 12527.3088 0.08% 4.0 0s * 9 1 5 12535.000000 12527.3088 0.06% 3.6 0s Cutting planes: Gomory: 1 MIR: 1 Zero half: 14 Explored 11 nodes (332 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.253500000000e+04, best bound 1.253500000000e+04, gap 0.0% adding cut for [(7, 37), (7, 28), (8, 36), (8, 28), (18, 43), (18, 27), (20, 37), (20, 27), (30, 36), (30, 43)] adding cut for [(19, 44), (19, 31), (31, 44)] Optimize a model with 86 rows, 1128 columns and 9795 nonzeros Presolve time: 0.01s Presolved: 86 rows, 1128 columns, 9795 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243650e+04, 91 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12436.5000 0 29 47372.0000 12436.5000 73.7% - 0s Another try with MIP start H 0 0 12557.000000 12436.5000 0.96% - 0s 0 0 12440.6667 0 31 12557.0000 12440.6667 0.93% - 0s 0 0 12440.6667 0 29 12557.0000 12440.6667 0.93% - 0s 0 0 12443.1250 0 37 12557.0000 12443.1250 0.91% - 0s 0 0 12461.0000 0 42 12557.0000 12461.0000 0.76% - 0s 0 0 12464.3333 0 38 12557.0000 12464.3333 0.74% - 0s 0 0 12467.8571 0 41 12557.0000 12467.8571 0.71% - 0s 0 0 12470.3333 0 35 12557.0000 12470.3333 0.69% - 0s 0 0 12477.6154 0 50 12557.0000 12477.6154 0.63% - 0s 0 0 12478.0000 0 58 12557.0000 12478.0000 0.63% - 0s 0 0 12480.0000 0 47 12557.0000 12480.0000 0.61% - 0s 0 0 12489.3333 0 41 12557.0000 12489.3333 0.54% - 0s 0 0 12489.3333 0 46 12557.0000 12489.3333 0.54% - 0s 0 0 12494.1818 0 52 12557.0000 12494.1818 0.50% - 0s 0 0 12495.0000 0 46 12557.0000 12495.0000 0.49% - 0s 0 0 12496.3846 0 35 12557.0000 12496.3846 0.48% - 0s 0 0 12497.1154 0 52 12557.0000 12497.1154 0.48% - 0s 0 0 12497.4691 0 56 12557.0000 12497.4691 0.47% - 0s 0 1 12497.5217 0 56 12557.0000 12497.5217 0.47% - 0s * 5 4 9 12537.000000 12537.0000 0.0% 0.4 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 5 nodes (341 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.253700000000e+04, best bound 1.253700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (3, 26), (3, 29), (5, 26), (5, 35), (6, 42), (6, 48), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (11, 25), (11, 45), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (25, 42), (29, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (35, 45), (36, 46)] Optimize a model with 87 rows, 1128 columns and 10425 nonzeros Presolve time: 0.01s Presolved: 87 rows, 1128 columns, 10425 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243800e+04, 91 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12438.0000 0 26 47372.0000 12438.0000 73.7% - 0s Another try with MIP start H 0 0 13161.000000 12438.0000 5.49% - 0s 0 0 12443.6667 0 37 13161.0000 12443.6667 5.45% - 0s 0 0 12443.6667 0 26 13161.0000 12443.6667 5.45% - 0s 0 0 12464.5000 0 8 13161.0000 12464.5000 5.29% - 0s 0 0 12497.2308 0 44 13161.0000 12497.2308 5.04% - 0s 0 0 12500.4000 0 50 13161.0000 12500.4000 5.02% - 0s 0 0 12506.3333 0 32 13161.0000 12506.3333 4.97% - 0s 0 0 12506.7778 0 40 13161.0000 12506.7778 4.97% - 0s 0 0 12506.9429 0 39 13161.0000 12506.9429 4.97% - 0s H 0 0 12957.000000 12506.9429 3.47% - 0s H 0 0 12906.000000 12506.9429 3.09% - 0s H 0 0 12618.000000 12506.9429 0.88% - 0s 0 0 12507.0571 0 47 12618.0000 12507.0571 0.88% - 0s 0 1 12507.3704 0 47 12618.0000 12507.3704 0.88% - 0s H 11 7 12604.000000 12530.7241 0.58% 0.0 0s H 11 6 12568.000000 12530.7241 0.30% 0.0 0s * 18 9 19 12548.000000 12541.7222 0.05% 14.5 0s * 19 6 20 12547.000000 12544.4100 0.02% 14.1 0s * 20 5 20 12546.000000 12544.4100 0.01% 13.7 0s Cutting planes: Gomory: 10 Zero half: 5 Explored 22 nodes (496 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.254600000000e+04, best bound 1.254600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 88 rows, 1128 columns and 10803 nonzeros Presolve time: 0.01s Presolved: 88 rows, 1128 columns, 10803 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243800e+04, 91 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12438.0000 0 26 47372.0000 12438.0000 73.7% - 0s Another try with MIP start H 0 0 12801.000000 12438.0000 2.84% - 0s 0 0 12443.6667 0 37 12801.0000 12443.6667 2.79% - 0s 0 0 12443.6667 0 26 12801.0000 12443.6667 2.79% - 0s 0 0 12464.5000 0 8 12801.0000 12464.5000 2.63% - 0s 0 0 12488.0000 0 16 12801.0000 12488.0000 2.45% - 0s 0 0 12491.6000 0 37 12801.0000 12491.6000 2.42% - 0s 0 0 12491.6000 0 39 12801.0000 12491.6000 2.42% - 0s 0 0 12492.1000 0 39 12801.0000 12492.1000 2.41% - 0s H 0 0 12653.000000 12492.1000 1.27% - 0s 0 0 12492.1481 0 48 12653.0000 12492.1481 1.27% - 0s H 0 0 12634.000000 12492.1481 1.12% - 0s 0 2 12505.4000 0 48 12634.0000 12505.4000 1.02% - 0s H 1 2 12548.000000 12505.4000 0.34% 0.0 0s H 1 2 12547.000000 12505.4000 0.33% 0.0 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 5 Explored 1 nodes (213 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.254700000000e+04, best bound 1.254700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 89 rows, 1128 columns and 11103 nonzeros Presolve time: 0.01s Presolved: 89 rows, 1128 columns, 11103 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243800e+04, 91 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12438.0000 0 26 47372.0000 12438.0000 73.7% - 0s Another try with MIP start H 0 0 13161.000000 12438.0000 5.49% - 0s 0 0 12443.6667 0 37 13161.0000 12443.6667 5.45% - 0s 0 0 12443.6667 0 26 13161.0000 12443.6667 5.45% - 0s 0 0 12464.5000 0 8 13161.0000 12464.5000 5.29% - 0s 0 0 12497.2308 0 44 13161.0000 12497.2308 5.04% - 0s 0 0 12500.4000 0 50 13161.0000 12500.4000 5.02% - 0s 0 0 12506.3333 0 32 13161.0000 12506.3333 4.97% - 0s 0 0 12506.7778 0 40 13161.0000 12506.7778 4.97% - 0s 0 0 12506.9429 0 39 13161.0000 12506.9429 4.97% - 0s 0 0 12507.0571 0 47 13161.0000 12507.0571 4.97% - 0s 0 0 12507.0619 0 45 13161.0000 12507.0619 4.97% - 0s 0 0 12507.2024 0 62 13161.0000 12507.2024 4.97% - 0s H 0 0 12769.000000 12507.2024 2.05% - 0s H 0 0 12618.000000 12507.2024 0.88% - 0s 0 2 12509.8333 0 46 12618.0000 12509.8333 0.86% - 0s * 6 5 5 12557.000000 12532.0000 0.20% 8.8 0s * 8 1 7 12548.000000 12544.3750 0.03% 8.1 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 6 Explored 10 nodes (303 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.254800000000e+04, best bound 1.254800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 90 rows, 1128 columns and 11454 nonzeros Presolve time: 0.01s Presolved: 90 rows, 1128 columns, 11454 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243800e+04, 91 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12438.0000 0 26 47372.0000 12438.0000 73.7% - 0s Another try with MIP start H 0 0 13161.000000 12438.0000 5.49% - 0s 0 0 12443.6667 0 37 13161.0000 12443.6667 5.45% - 0s 0 0 12443.6667 0 26 13161.0000 12443.6667 5.45% - 0s 0 0 12464.5000 0 8 13161.0000 12464.5000 5.29% - 0s 0 0 12497.2308 0 44 13161.0000 12497.2308 5.04% - 0s 0 0 12500.4000 0 50 13161.0000 12500.4000 5.02% - 0s 0 0 12506.3333 0 32 13161.0000 12506.3333 4.97% - 0s 0 0 12506.7778 0 40 13161.0000 12506.7778 4.97% - 0s 0 0 12506.9429 0 39 13161.0000 12506.9429 4.97% - 0s 0 0 12507.0571 0 47 13161.0000 12507.0571 4.97% - 0s 0 0 12507.0619 0 45 13161.0000 12507.0619 4.97% - 0s 0 0 12507.2024 0 62 13161.0000 12507.2024 4.97% - 0s H 0 0 12769.000000 12507.2024 2.05% - 0s H 0 0 12618.000000 12507.2024 0.88% - 0s 0 2 12509.8333 0 46 12618.0000 12509.8333 0.86% - 0s * 6 5 5 12557.000000 12532.0000 0.20% 8.7 0s * 8 2 7 12556.000000 12544.3750 0.09% 8.1 0s * 10 0 3 12549.000000 12549.0000 0.0% 8.6 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 6 Explored 11 nodes (319 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.254900000000e+04, best bound 1.254900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 91 rows, 1128 columns and 11805 nonzeros Presolve time: 0.01s Presolved: 91 rows, 1128 columns, 11805 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243800e+04, 91 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12438.0000 0 26 47372.0000 12438.0000 73.7% - 0s Another try with MIP start H 0 0 13161.000000 12438.0000 5.49% - 0s 0 0 12443.6667 0 37 13161.0000 12443.6667 5.45% - 0s 0 0 12443.6667 0 26 13161.0000 12443.6667 5.45% - 0s 0 0 12464.5000 0 8 13161.0000 12464.5000 5.29% - 0s 0 0 12497.2308 0 44 13161.0000 12497.2308 5.04% - 0s 0 0 12500.4000 0 50 13161.0000 12500.4000 5.02% - 0s 0 0 12506.3333 0 32 13161.0000 12506.3333 4.97% - 0s 0 0 12506.7778 0 40 13161.0000 12506.7778 4.97% - 0s 0 0 12506.9429 0 39 13161.0000 12506.9429 4.97% - 0s 0 0 12507.0571 0 47 13161.0000 12507.0571 4.97% - 0s 0 0 12507.0619 0 45 13161.0000 12507.0619 4.97% - 0s 0 0 12507.2024 0 62 13161.0000 12507.2024 4.97% - 0s H 0 0 13078.000000 12507.2024 4.36% - 0s H 0 0 12769.000000 12507.2024 2.05% - 0s H 0 0 12618.000000 12507.2024 0.88% - 0s 0 2 12509.8333 0 46 12618.0000 12509.8333 0.86% - 0s * 6 5 5 12557.000000 12532.0000 0.20% 8.5 0s * 8 2 7 12556.000000 12544.3750 0.09% 8.0 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 6 Explored 11 nodes (321 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.255600000000e+04, best bound 1.255600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 92 rows, 1128 columns and 12081 nonzeros Presolve time: 0.01s Presolved: 92 rows, 1128 columns, 12081 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.243800e+04, 91 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12438.0000 0 26 47372.0000 12438.0000 73.7% - 0s Another try with MIP start H 0 0 12815.000000 12438.0000 2.94% - 0s 0 0 12443.6667 0 37 12815.0000 12443.6667 2.90% - 0s 0 0 12443.6667 0 26 12815.0000 12443.6667 2.90% - 0s 0 0 12474.4000 0 36 12815.0000 12474.4000 2.66% - 0s 0 0 12486.5000 0 6 12815.0000 12486.5000 2.56% - 0s 0 0 12490.6250 0 34 12815.0000 12490.6250 2.53% - 0s 0 0 12491.5000 0 22 12815.0000 12491.5000 2.52% - 0s 0 0 12492.1000 0 39 12815.0000 12492.1000 2.52% - 0s H 0 0 12653.000000 12492.1000 1.27% - 0s 0 0 12492.4143 0 47 12653.0000 12492.4143 1.27% - 0s H 0 0 12634.000000 12492.4143 1.12% - 0s 0 2 12504.9000 0 47 12634.0000 12504.9000 1.02% - 0s * 21 14 19 12558.000000 12537.7969 0.16% 10.9 0s * 26 9 21 12557.000000 12541.8298 0.12% 9.7 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 34 nodes (499 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.255700000000e+04, best bound 1.255700000000e+04, gap 0.0% adding cut for [(7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (30, 36), (30, 43), (31, 36), (31, 44)] Optimize a model with 93 rows, 1128 columns and 12159 nonzeros Presolve time: 0.01s Presolved: 93 rows, 1128 columns, 12159 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 89 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 13730.000000 12452.6667 9.30% - 0s 0 0 12460.6667 0 37 13730.0000 12460.6667 9.24% - 0s 0 0 12470.0000 0 38 13730.0000 12470.0000 9.18% - 0s 0 0 12473.8333 0 44 13730.0000 12473.8333 9.15% - 0s 0 0 12492.4545 0 42 13730.0000 12492.4545 9.01% - 0s 0 0 12492.8182 0 40 13730.0000 12492.8182 9.01% - 0s 0 0 12493.1500 0 48 13730.0000 12493.1500 9.01% - 0s 0 0 12495.1402 0 54 13730.0000 12495.1402 8.99% - 0s 0 0 12496.4643 0 47 13730.0000 12496.4643 8.98% - 0s 0 0 12496.9087 0 53 13730.0000 12496.9087 8.98% - 0s 0 0 12497.2778 0 42 13730.0000 12497.2778 8.98% - 0s 0 0 12498.0294 0 52 13730.0000 12498.0294 8.97% - 0s 0 0 12498.2447 0 60 13730.0000 12498.2447 8.97% - 0s 0 0 12499.3555 0 62 13730.0000 12499.3555 8.96% - 0s 0 0 12500.0000 0 57 13730.0000 12500.0000 8.96% - 0s 0 0 12500.4034 0 61 13730.0000 12500.4034 8.96% - 0s 0 0 12501.8810 0 48 13730.0000 12501.8810 8.94% - 0s 0 0 12502.0491 0 58 13730.0000 12502.0491 8.94% - 0s 0 0 12502.8991 0 54 13730.0000 12502.8991 8.94% - 0s 0 0 12503.5490 0 57 13730.0000 12503.5490 8.93% - 0s 0 0 12503.5600 0 52 13730.0000 12503.5600 8.93% - 0s 0 0 12503.5878 0 63 13730.0000 12503.5878 8.93% - 0s 0 0 12503.5878 0 63 13730.0000 12503.5878 8.93% - 0s H 0 0 13456.000000 12503.5878 7.08% - 0s H 0 0 12783.000000 12503.5878 2.19% - 0s H 0 0 12634.000000 12503.5878 1.03% - 0s 0 0 12503.5878 0 24 12634.0000 12503.5878 1.03% - 0s 0 0 12504.6414 0 45 12634.0000 12504.6414 1.02% - 0s 0 0 12507.0189 0 49 12634.0000 12507.0189 1.01% - 0s 0 0 12507.5667 0 40 12634.0000 12507.5667 1.00% - 0s 0 0 12507.6488 0 51 12634.0000 12507.6488 1.00% - 0s H 0 0 12608.000000 12507.6488 0.80% - 0s 0 2 12512.8571 0 51 12608.0000 12512.8571 0.75% - 0s * 11 9 10 12557.000000 12542.2333 0.12% 4.7 0s Cutting planes: Gomory: 1 Zero half: 9 Explored 19 nodes (414 simplex iterations) in 0.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.255700000000e+04, best bound 1.255700000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 94 rows, 1128 columns and 12412 nonzeros Presolve time: 0.01s Presolved: 94 rows, 1128 columns, 12412 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 89 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 13730.000000 12452.6667 9.30% - 0s 0 0 12460.6667 0 37 13730.0000 12460.6667 9.24% - 0s 0 0 12467.0000 0 41 13730.0000 12467.0000 9.20% - 0s 0 0 12472.1667 0 38 13730.0000 12472.1667 9.16% - 0s 0 0 12473.8333 0 49 13730.0000 12473.8333 9.15% - 0s 0 0 12486.7500 0 49 13730.0000 12486.7500 9.05% - 0s 0 0 12492.7500 0 48 13730.0000 12492.7500 9.01% - 0s 0 0 12494.8462 0 52 13730.0000 12494.8462 9.00% - 0s 0 0 12496.0000 0 39 13730.0000 12496.0000 8.99% - 0s 0 0 12496.7813 0 47 13730.0000 12496.7813 8.98% - 0s 0 0 12497.0313 0 45 13730.0000 12497.0313 8.98% - 0s 0 0 12497.2188 0 53 13730.0000 12497.2188 8.98% - 0s 0 0 12498.5000 0 51 13730.0000 12498.5000 8.97% - 0s 0 0 12499.2622 0 56 13730.0000 12499.2622 8.96% - 0s 0 0 12500.1041 0 59 13730.0000 12500.1041 8.96% - 0s 0 0 12500.9848 0 64 13730.0000 12500.9848 8.95% - 0s 0 0 12502.1967 0 48 13730.0000 12502.1967 8.94% - 0s 0 0 12502.3293 0 64 13730.0000 12502.3293 8.94% - 0s H 0 0 13112.000000 12502.3293 4.65% - 0s H 0 0 12718.000000 12502.3293 1.70% - 0s H 0 0 12619.000000 12502.3293 0.92% - 0s 0 0 12502.3293 0 24 12619.0000 12502.3293 0.92% - 0s 0 0 12503.2334 0 61 12619.0000 12503.2334 0.92% - 0s 0 0 12510.1429 0 28 12619.0000 12510.1429 0.86% - 0s 0 0 12510.9733 0 36 12619.0000 12510.9733 0.86% - 0s 0 0 12511.3913 0 37 12619.0000 12511.3913 0.85% - 0s 0 0 12511.5655 0 38 12619.0000 12511.5655 0.85% - 0s H 0 0 12618.000000 12511.5655 0.84% - 0s 0 2 12512.0000 0 38 12618.0000 12512.0000 0.84% - 0s H 7 4 12558.000000 12536.7500 0.17% 5.3 0s * 12 1 4 12557.000000 12548.5227 0.07% 3.9 0s Cutting planes: Gomory: 1 Zero half: 9 Explored 14 nodes (386 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.255700000000e+04, best bound 1.255700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 95 rows, 1128 columns and 12688 nonzeros Presolve time: 0.01s Presolved: 95 rows, 1128 columns, 12688 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 89 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 13730.000000 12452.6667 9.30% - 0s 0 0 12460.6667 0 37 13730.0000 12460.6667 9.24% - 0s 0 0 12467.0000 0 41 13730.0000 12467.0000 9.20% - 0s 0 0 12472.1667 0 38 13730.0000 12472.1667 9.16% - 0s 0 0 12473.8333 0 49 13730.0000 12473.8333 9.15% - 0s 0 0 12486.7500 0 49 13730.0000 12486.7500 9.05% - 0s 0 0 12492.7500 0 48 13730.0000 12492.7500 9.01% - 0s 0 0 12494.8462 0 52 13730.0000 12494.8462 9.00% - 0s 0 0 12496.0000 0 39 13730.0000 12496.0000 8.99% - 0s 0 0 12496.7813 0 47 13730.0000 12496.7813 8.98% - 0s 0 0 12497.0313 0 45 13730.0000 12497.0313 8.98% - 0s 0 0 12497.2188 0 53 13730.0000 12497.2188 8.98% - 0s 0 0 12498.5000 0 51 13730.0000 12498.5000 8.97% - 0s 0 0 12499.2622 0 56 13730.0000 12499.2622 8.96% - 0s 0 0 12500.1041 0 59 13730.0000 12500.1041 8.96% - 0s 0 0 12500.9848 0 64 13730.0000 12500.9848 8.95% - 0s 0 0 12502.1967 0 48 13730.0000 12502.1967 8.94% - 0s 0 0 12502.3293 0 64 13730.0000 12502.3293 8.94% - 0s 0 0 12503.3201 0 67 13730.0000 12503.3201 8.93% - 0s H 0 0 12718.000000 12503.3201 1.69% - 0s H 0 0 12634.000000 12503.3201 1.03% - 0s 0 0 12505.6040 0 58 12634.0000 12505.6040 1.02% - 0s 0 0 12505.6040 0 24 12634.0000 12505.6040 1.02% - 0s 0 0 12505.7044 0 57 12634.0000 12505.7044 1.02% - 0s 0 0 12507.9812 0 59 12634.0000 12507.9812 1.00% - 0s 0 0 12508.7055 0 62 12634.0000 12508.7055 0.99% - 0s 0 0 12510.4848 0 57 12634.0000 12510.4848 0.98% - 0s 0 0 12510.6115 0 58 12634.0000 12510.6115 0.98% - 0s H 0 0 12627.000000 12510.6115 0.92% - 0s H 0 0 12618.000000 12510.6115 0.85% - 0s 0 2 12510.9622 0 58 12618.0000 12510.9622 0.85% - 0s * 14 10 14 12568.000000 12547.0000 0.17% 6.3 0s * 16 4 12 12558.000000 12547.0000 0.09% 5.6 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 13 Mod-K: 1 Explored 21 nodes (478 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.255800000000e+04, best bound 1.255800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 96 rows, 1128 columns and 13066 nonzeros Presolve time: 0.01s Presolved: 96 rows, 1128 columns, 13066 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 89 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 12801.000000 12452.6667 2.72% - 0s 0 0 12460.6667 0 37 12801.0000 12460.6667 2.66% - 0s 0 0 12460.6667 0 24 12801.0000 12460.6667 2.66% - 0s 0 0 12463.6667 0 35 12801.0000 12463.6667 2.64% - 0s 0 0 12491.5000 0 20 12801.0000 12491.5000 2.42% - 0s 0 0 12494.3125 0 29 12801.0000 12494.3125 2.40% - 0s 0 0 12494.9138 0 35 12801.0000 12494.9138 2.39% - 0s 0 0 12495.0625 0 37 12801.0000 12495.0625 2.39% - 0s H 0 0 12619.000000 12495.0625 0.98% - 0s 0 0 12495.3276 0 43 12619.0000 12495.3276 0.98% - 0s 0 2 12516.0000 0 43 12619.0000 12516.0000 0.82% - 0s H 9 7 12560.000000 12537.8923 0.18% 0.0 0s * 17 11 30 12559.000000 12559.0000 0.0% 11.8 0s Cutting planes: Gomory: 1 Clique: 1 MIR: 1 Zero half: 2 Explored 17 nodes (442 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.255900000000e+04, best bound 1.255900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 97 rows, 1128 columns and 13417 nonzeros Presolve time: 0.01s Presolved: 97 rows, 1128 columns, 13417 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 89 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 13730.000000 12452.6667 9.30% - 0s 0 0 12460.6667 0 37 13730.0000 12460.6667 9.24% - 0s 0 0 12467.0000 0 41 13730.0000 12467.0000 9.20% - 0s 0 0 12472.1667 0 38 13730.0000 12472.1667 9.16% - 0s 0 0 12473.8333 0 49 13730.0000 12473.8333 9.15% - 0s 0 0 12486.7500 0 49 13730.0000 12486.7500 9.05% - 0s 0 0 12492.7955 0 48 13730.0000 12492.7955 9.01% - 0s 0 0 12494.8462 0 52 13730.0000 12494.8462 9.00% - 0s 0 0 12496.0000 0 39 13730.0000 12496.0000 8.99% - 0s 0 0 12496.7812 0 47 13730.0000 12496.7812 8.98% - 0s 0 0 12497.0313 0 45 13730.0000 12497.0313 8.98% - 0s 0 0 12497.2188 0 53 13730.0000 12497.2188 8.98% - 0s 0 0 12498.5045 0 52 13730.0000 12498.5045 8.97% - 0s 0 0 12499.0640 0 56 13730.0000 12499.0640 8.97% - 0s 0 0 12500.1041 0 59 13730.0000 12500.1041 8.96% - 0s 0 0 12500.9848 0 64 13730.0000 12500.9848 8.95% - 0s 0 0 12502.1967 0 48 13730.0000 12502.1967 8.94% - 0s 0 0 12502.3293 0 64 13730.0000 12502.3293 8.94% - 0s 0 0 12503.3201 0 67 13730.0000 12503.3201 8.93% - 0s H 0 0 12718.000000 12503.3201 1.69% - 0s H 0 0 12634.000000 12503.3201 1.03% - 0s 0 0 12504.8834 0 63 12634.0000 12504.8834 1.02% - 0s 0 0 12504.8834 0 24 12634.0000 12504.8834 1.02% - 0s 0 0 12505.4759 0 47 12634.0000 12505.4759 1.02% - 0s 0 0 12507.8694 0 46 12634.0000 12507.8694 1.00% - 0s 0 0 12508.3247 0 51 12634.0000 12508.3247 0.99% - 0s H 0 0 12622.000000 12508.3247 0.90% - 0s H 0 0 12618.000000 12508.3247 0.87% - 0s 0 2 12508.5062 0 51 12618.0000 12508.5062 0.87% - 0s * 10 5 8 12561.000000 12552.3438 0.07% 10.8 0s * 11 2 8 12560.000000 12552.3438 0.06% 10.0 0s * 13 0 1 12559.000000 12559.0000 0.0% 9.8 0s Cutting planes: Gomory: 1 Zero half: 10 Mod-K: 1 Explored 14 nodes (480 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.255900000000e+04, best bound 1.255900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 98 rows, 1128 columns and 13693 nonzeros Presolve time: 0.01s Presolved: 98 rows, 1128 columns, 13693 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 89 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 13266.000000 12452.6667 6.13% - 0s 0 0 12460.6667 0 37 13266.0000 12460.6667 6.07% - 0s 0 0 12460.6667 0 24 13266.0000 12460.6667 6.07% - 0s 0 0 12490.0000 0 10 13266.0000 12490.0000 5.85% - 0s 0 0 12505.4444 0 29 13266.0000 12505.4444 5.73% - 0s H 0 0 13244.000000 12505.4444 5.58% - 0s 0 0 12506.2727 0 37 13244.0000 12506.2727 5.57% - 0s 0 0 12506.3333 0 32 13244.0000 12506.3333 5.57% - 0s 0 0 12506.7778 0 40 13244.0000 12506.7778 5.57% - 0s 0 0 12506.9429 0 39 13244.0000 12506.9429 5.57% - 0s 0 0 12507.1212 0 53 13244.0000 12507.1212 5.56% - 0s 0 0 12508.0769 0 49 13244.0000 12508.0769 5.56% - 0s 0 0 12508.2137 0 47 13244.0000 12508.2137 5.56% - 0s 0 0 12508.3162 0 55 13244.0000 12508.3162 5.55% - 0s 0 0 12508.6886 0 55 13244.0000 12508.6886 5.55% - 0s H 0 0 13217.000000 12508.6886 5.36% - 0s H 0 0 12769.000000 12508.6886 2.04% - 0s H 0 0 12618.000000 12508.6886 0.87% - 0s 0 2 12510.0667 0 55 12618.0000 12510.0667 0.86% - 0s * 7 6 7 12568.000000 12541.0000 0.21% 4.3 0s * 11 1 2 12560.000000 12553.0000 0.06% 5.1 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 7 Explored 13 nodes (288 simplex iterations) in 0.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.256000000000e+04, best bound 1.256000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 99 rows, 1128 columns and 14018 nonzeros Presolve time: 0.01s Presolved: 99 rows, 1128 columns, 14018 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 89 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 13266.000000 12452.6667 6.13% - 0s 0 0 12460.6667 0 37 13266.0000 12460.6667 6.07% - 0s 0 0 12460.6667 0 24 13266.0000 12460.6667 6.07% - 0s 0 0 12490.0000 0 10 13266.0000 12490.0000 5.85% - 0s 0 0 12505.4444 0 29 13266.0000 12505.4444 5.73% - 0s 0 0 12506.2727 0 37 13266.0000 12506.2727 5.73% - 0s 0 0 12506.3333 0 32 13266.0000 12506.3333 5.73% - 0s 0 0 12506.7778 0 40 13266.0000 12506.7778 5.72% - 0s 0 0 12506.9429 0 39 13266.0000 12506.9429 5.72% - 0s 0 0 12507.1212 0 53 13266.0000 12507.1212 5.72% - 0s 0 0 12508.0769 0 49 13266.0000 12508.0769 5.71% - 0s H 0 0 13006.000000 12508.0769 3.83% - 0s H 0 0 12615.000000 12508.0769 0.85% - 0s 0 0 12508.2137 0 47 12615.0000 12508.2137 0.85% - 0s 0 1 12509.7119 0 47 12615.0000 12509.7119 0.83% - 0s H 9 6 12613.000000 12548.0000 0.52% 0.0 0s H 14 8 12560.000000 12549.9185 0.08% 0.0 0s Cutting planes: Gomory: 7 Zero half: 2 Explored 16 nodes (417 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.256000000000e+04, best bound 1.256000000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 100 rows, 1128 columns and 14271 nonzeros Presolve time: 0.01s Presolved: 100 rows, 1128 columns, 14271 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 12801.000000 12452.6667 2.72% - 0s 0 0 12460.6667 0 37 12801.0000 12460.6667 2.66% - 0s 0 0 12460.6667 0 24 12801.0000 12460.6667 2.66% - 0s 0 0 12484.8333 0 34 12801.0000 12484.8333 2.47% - 0s 0 0 12499.4545 0 46 12801.0000 12499.4545 2.36% - 0s 0 0 12499.6364 0 44 12801.0000 12499.6364 2.35% - 0s 0 0 12499.9545 0 52 12801.0000 12499.9545 2.35% - 0s H 0 0 12653.000000 12499.9545 1.21% - 0s 0 0 12501.7167 0 43 12653.0000 12501.7167 1.20% - 0s 0 2 12508.1818 0 43 12653.0000 12508.1818 1.14% - 0s H 1 2 12618.000000 12508.1818 0.87% 0.0 0s H 16 11 12602.000000 12548.3922 0.43% 0.0 0s H 16 10 12571.000000 12548.3922 0.18% 0.0 0s * 30 8 17 12568.000000 12557.0000 0.09% 10.0 0s * 32 6 18 12561.000000 12561.0000 0.0% 9.6 0s Cutting planes: Gomory: 7 Zero half: 12 Explored 33 nodes (558 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.256100000000e+04, best bound 1.256100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 101 rows, 1128 columns and 14596 nonzeros Presolve time: 0.01s Presolved: 101 rows, 1128 columns, 14596 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 12742.000000 12452.6667 2.27% - 0s 0 0 12460.6667 0 37 12742.0000 12460.6667 2.21% - 0s 0 0 12460.6667 0 24 12742.0000 12460.6667 2.21% - 0s 0 0 12485.3333 0 36 12742.0000 12485.3333 2.01% - 0s 0 0 12500.9000 0 26 12742.0000 12500.9000 1.89% - 0s 0 0 12501.5833 0 32 12742.0000 12501.5833 1.89% - 0s H 0 0 12619.000000 12501.5833 0.93% - 0s 0 0 12501.8125 0 30 12619.0000 12501.8125 0.93% - 0s 0 2 12511.0000 0 30 12619.0000 12511.0000 0.86% - 0s * 21 15 13 12564.000000 12545.7576 0.15% 15.0 0s Cutting planes: Gomory: 9 Zero half: 6 Explored 26 nodes (596 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.256400000000e+04, best bound 1.256400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 102 rows, 1128 columns and 14896 nonzeros Presolve time: 0.01s Presolved: 102 rows, 1128 columns, 14896 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 105 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 12801.000000 12452.6667 2.72% - 0s 0 0 12460.6667 0 37 12801.0000 12460.6667 2.66% - 0s 0 0 12460.6667 0 24 12801.0000 12460.6667 2.66% - 0s 0 0 12495.7500 0 41 12801.0000 12495.7500 2.38% - 0s H 0 0 12769.000000 12495.7500 2.14% - 0s H 0 0 12698.000000 12495.7500 1.59% - 0s 0 0 12496.1250 0 49 12698.0000 12496.1250 1.59% - 0s H 0 0 12697.000000 12496.1250 1.58% - 0s 0 2 12506.4444 0 49 12697.0000 12506.4444 1.50% - 0s H 1 2 12645.000000 12506.4444 1.10% 0.0 0s H 14 10 12577.000000 12531.5845 0.36% 0.0 0s H 14 9 12576.000000 12531.5845 0.35% 0.0 0s H 18 11 12572.000000 12531.6814 0.32% 15.3 0s H 23 14 12569.000000 12556.3105 0.10% 12.0 0s H 27 15 12568.000000 12566.0000 0.02% 10.2 0s Cutting planes: Gomory: 3 Explored 29 nodes (578 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.256800000000e+04, best bound 1.256800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 103 rows, 1128 columns and 15247 nonzeros Presolve time: 0.01s Presolved: 103 rows, 1128 columns, 15247 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.245267e+04, 105 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12452.6667 0 24 47372.0000 12452.6667 73.7% - 0s Another try with MIP start H 0 0 12801.000000 12452.6667 2.72% - 0s 0 0 12460.6667 0 37 12801.0000 12460.6667 2.66% - 0s 0 0 12460.6667 0 24 12801.0000 12460.6667 2.66% - 0s 0 0 12495.7500 0 41 12801.0000 12495.7500 2.38% - 0s 0 0 12496.1250 0 49 12801.0000 12496.1250 2.38% - 0s 0 0 12496.4062 0 47 12801.0000 12496.4062 2.38% - 0s 0 0 12496.6875 0 48 12801.0000 12496.6875 2.38% - 0s 0 0 12496.7308 0 55 12801.0000 12496.7308 2.38% - 0s 0 0 12497.6250 0 41 12801.0000 12497.6250 2.37% - 0s H 0 0 12619.000000 12497.6250 0.96% - 0s 0 0 12497.7500 0 49 12619.0000 12497.7500 0.96% - 0s 0 2 12506.5278 0 49 12619.0000 12506.5278 0.89% - 0s H 8 6 12580.000000 12539.5329 0.32% 0.0 0s H 12 8 12572.000000 12540.2271 0.25% 14.8 0s H 23 15 12571.000000 12560.6667 0.08% 7.7 0s H 23 14 12570.000000 12560.6667 0.07% 7.7 0s H 23 13 12568.000000 12560.6667 0.06% 7.7 0s Cutting planes: Gomory: 1 Explored 25 nodes (501 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.256800000000e+04, best bound 1.256800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 104 rows, 1128 columns and 15625 nonzeros Presolve time: 0.01s Presolved: 104 rows, 1128 columns, 15625 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247033e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12470.3333 0 27 47372.0000 12470.3333 73.7% - 0s Another try with MIP start H 0 0 12645.000000 12470.3333 1.38% - 0s 0 0 12477.5088 0 43 12645.0000 12477.5088 1.32% - 0s 0 0 12477.5088 0 27 12645.0000 12477.5088 1.32% - 0s 0 0 12478.5000 0 35 12645.0000 12478.5000 1.32% - 0s 0 0 12485.8000 0 46 12645.0000 12485.8000 1.26% - 0s 0 0 12485.8000 0 49 12645.0000 12485.8000 1.26% - 0s 0 0 12486.0500 0 54 12645.0000 12486.0500 1.26% - 0s 0 0 12486.0500 0 57 12645.0000 12486.0500 1.26% - 0s 0 0 12488.2000 0 39 12645.0000 12488.2000 1.24% - 0s 0 0 12488.2955 0 58 12645.0000 12488.2955 1.24% - 0s 0 0 12489.2838 0 56 12645.0000 12489.2838 1.23% - 0s 0 0 12489.3837 0 57 12645.0000 12489.3837 1.23% - 0s 0 0 12489.6298 0 63 12645.0000 12489.6298 1.23% - 0s 0 0 12489.7857 0 38 12645.0000 12489.7857 1.23% - 0s 0 0 12489.9048 0 47 12645.0000 12489.9048 1.23% - 0s 0 0 12489.9459 0 51 12645.0000 12489.9459 1.23% - 0s 0 0 12490.1976 0 58 12645.0000 12490.1976 1.22% - 0s 0 0 12490.8858 0 56 12645.0000 12490.8858 1.22% - 0s 0 0 12491.3810 0 50 12645.0000 12491.3810 1.21% - 0s 0 0 12491.4603 0 55 12645.0000 12491.4603 1.21% - 0s 0 0 12491.5497 0 60 12645.0000 12491.5497 1.21% - 0s H 0 0 12585.000000 12491.5497 0.74% - 0s 0 2 12500.7917 0 33 12585.0000 12500.7917 0.67% - 0s * 3 1 2 12571.000000 12529.8684 0.33% 14.3 0s * 13 2 9 12569.000000 12554.3333 0.12% 4.8 0s Cutting planes: Gomory: 1 MIR: 1 Zero half: 14 Explored 16 nodes (362 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.256900000000e+04, best bound 1.256900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 105 rows, 1128 columns and 15878 nonzeros Presolve time: 0.01s Presolved: 105 rows, 1128 columns, 15878 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247033e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12470.3333 0 27 47372.0000 12470.3333 73.7% - 0s Another try with MIP start H 0 0 12645.000000 12470.3333 1.38% - 0s 0 0 12477.5088 0 43 12645.0000 12477.5088 1.32% - 0s 0 0 12477.5088 0 27 12645.0000 12477.5088 1.32% - 0s 0 0 12499.3333 0 38 12645.0000 12499.3333 1.15% - 0s 0 0 12499.5417 0 46 12645.0000 12499.5417 1.15% - 0s 0 0 12499.6667 0 44 12645.0000 12499.6667 1.15% - 0s 0 0 12499.8056 0 52 12645.0000 12499.8056 1.15% - 0s 0 0 12500.8205 0 39 12645.0000 12500.8205 1.14% - 0s 0 0 12500.9487 0 47 12645.0000 12500.9487 1.14% - 0s 0 0 12501.1795 0 45 12645.0000 12501.1795 1.14% - 0s 0 0 12501.3667 0 55 12645.0000 12501.3667 1.14% - 0s 0 0 12502.0000 0 22 12645.0000 12502.0000 1.13% - 0s 0 0 12502.1859 0 49 12645.0000 12502.1859 1.13% - 0s 0 0 12502.3299 0 51 12645.0000 12502.3299 1.13% - 0s 0 0 12502.9315 0 59 12645.0000 12502.9315 1.12% - 0s 0 0 12503.9726 0 47 12645.0000 12503.9726 1.12% - 0s 0 0 12504.1627 0 58 12645.0000 12504.1627 1.11% - 0s 0 0 12504.3333 0 25 12645.0000 12504.3333 1.11% - 0s 0 0 12504.3912 0 57 12645.0000 12504.3912 1.11% - 0s 0 0 12505.1138 0 50 12645.0000 12505.1138 1.11% - 0s 0 0 12505.2661 0 61 12645.0000 12505.2661 1.11% - 0s 0 0 12505.5434 0 53 12645.0000 12505.5434 1.10% - 0s 0 0 12505.6321 0 59 12645.0000 12505.6321 1.10% - 0s 0 0 12506.6884 0 54 12645.0000 12506.6884 1.09% - 0s 0 0 12506.8606 0 60 12645.0000 12506.8606 1.09% - 0s 0 0 12506.8886 0 57 12645.0000 12506.8886 1.09% - 0s 0 0 12507.0089 0 62 12645.0000 12507.0089 1.09% - 0s H 0 0 12583.000000 12507.0089 0.60% - 0s 0 1 12507.7321 0 31 12583.0000 12507.7321 0.60% - 0s * 9 2 9 12571.000000 12524.6667 0.37% 5.4 0s Cutting planes: Gomory: 1 Zero half: 10 Mod-K: 1 Explored 13 nodes (394 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.257100000000e+04, best bound 1.257100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46), (40, 46)] Optimize a model with 106 rows, 1128 columns and 16154 nonzeros Presolve time: 0.01s Presolved: 106 rows, 1128 columns, 16154 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12716.000000 12474.2500 1.90% - 0s 0 0 12474.7273 0 41 12716.0000 12474.7273 1.90% - 0s 0 0 12474.7273 0 31 12716.0000 12474.7273 1.90% - 0s 0 0 12484.0000 0 23 12716.0000 12484.0000 1.82% - 0s 0 0 12499.2439 0 40 12716.0000 12499.2439 1.70% - 0s 0 0 12519.9500 0 30 12716.0000 12519.9500 1.54% - 0s H 0 0 12667.000000 12519.9500 1.16% - 0s 0 0 12520.1038 0 38 12667.0000 12520.1038 1.16% - 0s 0 2 12525.9641 0 38 12667.0000 12525.9641 1.11% - 0s H 1 2 12618.000000 12525.9641 0.73% 0.0 0s H 15 11 12613.000000 12551.9011 0.48% 0.0 0s * 19 11 12 12572.000000 12555.4303 0.13% 11.8 0s Cutting planes: Gomory: 5 Zero half: 3 Explored 22 nodes (495 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.257200000000e+04, best bound 1.257200000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 107 rows, 1128 columns and 16385 nonzeros Presolve time: 0.01s Presolved: 107 rows, 1128 columns, 16385 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12653.000000 12474.2500 1.41% - 0s 0 0 12474.7273 0 41 12653.0000 12474.7273 1.41% - 0s 0 0 12474.7273 0 31 12653.0000 12474.7273 1.41% - 0s 0 0 12484.0000 0 23 12653.0000 12484.0000 1.34% - 0s 0 0 12492.9167 0 36 12653.0000 12492.9167 1.27% - 0s 0 0 12505.8500 0 36 12653.0000 12505.8500 1.16% - 0s H 0 0 12627.000000 12505.8500 0.96% - 0s 0 0 12507.1036 0 44 12627.0000 12507.1036 0.95% - 0s 0 0 12507.4810 0 37 12627.0000 12507.4810 0.95% - 0s 0 0 12507.6714 0 41 12627.0000 12507.6714 0.95% - 0s 0 0 12507.7500 0 50 12627.0000 12507.7500 0.94% - 0s 0 0 12508.8828 0 48 12627.0000 12508.8828 0.94% - 0s 0 0 12509.2669 0 41 12627.0000 12509.2669 0.93% - 0s 0 0 12509.4763 0 42 12627.0000 12509.4763 0.93% - 0s 0 0 12509.4848 0 46 12627.0000 12509.4848 0.93% - 0s 0 0 12509.5060 0 49 12627.0000 12509.5060 0.93% - 0s 0 0 12514.2500 0 31 12627.0000 12514.2500 0.89% - 0s H 0 0 12612.000000 12514.2500 0.78% - 0s 0 1 12521.9063 0 45 12612.0000 12521.9063 0.71% - 0s * 13 3 12 12583.000000 12559.0000 0.19% 6.0 0s * 17 1 5 12576.000000 12573.8077 0.02% 5.6 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 19 nodes (367 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.257600000000e+04, best bound 1.257600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 108 rows, 1128 columns and 16661 nonzeros Presolve time: 0.01s Presolved: 108 rows, 1128 columns, 16661 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12653.000000 12474.2500 1.41% - 0s 0 0 12474.7273 0 41 12653.0000 12474.7273 1.41% - 0s 0 0 12474.7273 0 31 12653.0000 12474.7273 1.41% - 0s 0 0 12484.0000 0 23 12653.0000 12484.0000 1.34% - 0s 0 0 12492.9167 0 36 12653.0000 12492.9167 1.27% - 0s 0 0 12505.8500 0 36 12653.0000 12505.8500 1.16% - 0s 0 0 12506.8714 0 36 12653.0000 12506.8714 1.15% - 0s 0 0 12507.2643 0 44 12653.0000 12507.2643 1.15% - 0s 0 0 12507.7778 0 36 12653.0000 12507.7778 1.15% - 0s 0 0 12507.8305 0 41 12653.0000 12507.8305 1.15% - 0s 0 0 12507.9555 0 50 12653.0000 12507.9555 1.15% - 0s H 0 0 12627.000000 12507.9555 0.94% - 0s H 0 0 12612.000000 12507.9555 0.82% - 0s 0 2 12508.2514 0 50 12612.0000 12508.2514 0.82% - 0s * 14 4 13 12583.000000 12549.0000 0.27% 5.9 0s * 18 1 4 12580.000000 12575.3846 0.04% 6.1 0s Cutting planes: Gomory: 2 Zero half: 4 Explored 20 nodes (370 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.258000000000e+04, best bound 1.258000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 109 rows, 1128 columns and 17012 nonzeros Presolve time: 0.01s Presolved: 109 rows, 1128 columns, 17012 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12653.000000 12474.2500 1.41% - 0s 0 0 12475.6364 0 37 12653.0000 12475.6364 1.40% - 0s 0 0 12475.6364 0 31 12653.0000 12475.6364 1.40% - 0s 0 0 12484.0000 0 23 12653.0000 12484.0000 1.34% - 0s 0 0 12493.5833 0 39 12653.0000 12493.5833 1.26% - 0s 0 0 12493.7917 0 47 12653.0000 12493.7917 1.26% - 0s 0 0 12493.9722 0 45 12653.0000 12493.9722 1.26% - 0s 0 0 12494.1806 0 53 12653.0000 12494.1806 1.26% - 0s 0 0 12496.5662 0 57 12653.0000 12496.5662 1.24% - 0s 0 0 12496.5833 0 38 12653.0000 12496.5833 1.24% - 0s 0 0 12497.1143 0 55 12653.0000 12497.1143 1.23% - 0s 0 0 12497.2266 0 62 12653.0000 12497.2266 1.23% - 0s 0 0 12497.6933 0 46 12653.0000 12497.6933 1.23% - 0s 0 0 12498.2533 0 52 12653.0000 12498.2533 1.22% - 0s 0 0 12498.4564 0 59 12653.0000 12498.4564 1.22% - 0s 0 0 12499.1239 0 62 12653.0000 12499.1239 1.22% - 0s 0 0 12500.1250 0 38 12653.0000 12500.1250 1.21% - 0s 0 0 12502.1364 0 50 12653.0000 12502.1364 1.19% - 0s 0 0 12502.5613 0 60 12653.0000 12502.5613 1.19% - 0s 0 0 12503.0219 0 61 12653.0000 12503.0219 1.19% - 0s 0 0 12503.1116 0 60 12653.0000 12503.1116 1.18% - 0s 0 0 12503.4345 0 59 12653.0000 12503.4345 1.18% - 0s 0 0 12503.7987 0 62 12653.0000 12503.7987 1.18% - 0s 0 0 12504.4920 0 66 12653.0000 12504.4920 1.17% - 0s 0 0 12505.1000 0 68 12653.0000 12505.1000 1.17% - 0s 0 0 12507.5000 0 45 12653.0000 12507.5000 1.15% - 0s 0 0 12507.5076 0 57 12653.0000 12507.5076 1.15% - 0s 0 0 12507.7738 0 62 12653.0000 12507.7738 1.15% - 0s 0 0 12507.8350 0 50 12653.0000 12507.8350 1.15% - 0s H 0 0 12643.000000 12507.8350 1.07% - 0s H 0 0 12618.000000 12507.8350 0.87% - 0s 0 2 12507.9250 0 50 12618.0000 12507.9250 0.87% - 0s * 18 5 18 12581.000000 12522.6176 0.46% 4.6 0s Cutting planes: Gomory: 2 Zero half: 13 Explored 39 nodes (531 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.258100000000e+04, best bound 1.258100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 110 rows, 1128 columns and 17337 nonzeros Presolve time: 0.01s Presolved: 110 rows, 1128 columns, 17337 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12653.000000 12474.2500 1.41% - 0s 0 0 12475.6364 0 37 12653.0000 12475.6364 1.40% - 0s 0 0 12475.6364 0 31 12653.0000 12475.6364 1.40% - 0s 0 0 12484.0000 0 23 12653.0000 12484.0000 1.34% - 0s 0 0 12488.0417 0 36 12653.0000 12488.0417 1.30% - 0s 0 0 12488.1724 0 40 12653.0000 12488.1724 1.30% - 0s 0 0 12488.3759 0 46 12653.0000 12488.3759 1.30% - 0s 0 0 12488.3879 0 48 12653.0000 12488.3879 1.30% - 0s 0 0 12488.6061 0 54 12653.0000 12488.6061 1.30% - 0s 0 0 12490.5966 0 50 12653.0000 12490.5966 1.28% - 0s 0 0 12491.0870 0 37 12653.0000 12491.0870 1.28% - 0s 0 0 12491.8861 0 51 12653.0000 12491.8861 1.27% - 0s 0 0 12492.2036 0 53 12653.0000 12492.2036 1.27% - 0s H 0 0 12618.000000 12492.2036 1.00% - 0s 0 2 12492.2435 0 53 12618.0000 12492.2435 1.00% - 0s * 15 7 14 12610.000000 12531.0000 0.63% 4.7 0s H 27 6 12607.000000 12538.7500 0.54% 4.3 0s * 37 6 5 12583.000000 12541.4444 0.33% 4.3 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 45 nodes (472 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.258300000000e+04, best bound 1.258300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 111 rows, 1128 columns and 17613 nonzeros Presolve time: 0.01s Presolved: 111 rows, 1128 columns, 17613 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12716.000000 12474.2500 1.90% - 0s 0 0 12475.6364 0 37 12716.0000 12475.6364 1.89% - 0s 0 0 12475.6364 0 31 12716.0000 12475.6364 1.89% - 0s 0 0 12493.2500 0 24 12716.0000 12493.2500 1.75% - 0s 0 0 12500.1579 0 37 12716.0000 12500.1579 1.70% - 0s H 0 0 12618.000000 12500.1579 0.93% - 0s 0 0 12510.0000 0 13 12618.0000 12510.0000 0.86% - 0s H 0 0 12602.000000 12510.0000 0.73% - 0s 0 1 12510.0000 0 13 12602.0000 12510.0000 0.73% - 0s * 29 10 16 12585.000000 12576.7500 0.07% 10.6 0s Cutting planes: Gomory: 5 Clique: 1 Explored 32 nodes (563 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.258500000000e+04, best bound 1.258500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 112 rows, 1128 columns and 17913 nonzeros Presolve time: 0.01s Presolved: 112 rows, 1128 columns, 17913 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12732.000000 12474.2500 2.02% - 0s 0 0 12474.7273 0 41 12732.0000 12474.7273 2.02% - 0s 0 0 12474.7273 0 31 12732.0000 12474.7273 2.02% - 0s 0 0 12484.0000 0 23 12732.0000 12484.0000 1.95% - 0s 0 0 12488.0000 0 36 12732.0000 12488.0000 1.92% - 0s 0 0 12488.1724 0 40 12732.0000 12488.1724 1.92% - 0s H 0 0 12653.000000 12488.1724 1.30% - 0s 0 0 12488.3473 0 46 12653.0000 12488.3473 1.30% - 0s 0 2 12497.5238 0 46 12653.0000 12497.5238 1.23% - 0s H 1 2 12618.000000 12497.5238 0.95% 0.0 0s H 18 12 12613.000000 12557.4503 0.44% 0.0 0s H 18 11 12597.000000 12557.4503 0.31% 0.0 0s Cutting planes: Gomory: 6 MIR: 2 Zero half: 1 Explored 22 nodes (476 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.259700000000e+04, best bound 1.259700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 113 rows, 1128 columns and 18213 nonzeros Presolve time: 0.01s Presolved: 113 rows, 1128 columns, 18213 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12609.000000 12474.2500 1.07% - 0s 0 0 12484.0000 0 23 12609.0000 12484.0000 0.99% - 0s 0 0 12484.0000 0 31 12609.0000 12484.0000 0.99% - 0s 0 0 12493.2500 0 24 12609.0000 12493.2500 0.92% - 0s 0 0 12500.1579 0 37 12609.0000 12500.1579 0.86% - 0s 0 0 12510.0000 0 30 12609.0000 12510.0000 0.79% - 0s 0 0 12512.8036 0 43 12609.0000 12512.8036 0.76% - 0s 0 0 12513.1573 0 41 12609.0000 12513.1573 0.76% - 0s 0 0 12513.3549 0 50 12609.0000 12513.3549 0.76% - 0s 0 0 12513.4643 0 40 12609.0000 12513.4643 0.76% - 0s 0 0 12513.6786 0 41 12609.0000 12513.6786 0.76% - 0s 0 0 12513.6982 0 47 12609.0000 12513.6982 0.76% - 0s 0 0 12513.7188 0 50 12609.0000 12513.7188 0.76% - 0s 0 0 12515.2222 0 26 12609.0000 12515.2222 0.74% - 0s 0 2 12515.3148 0 26 12609.0000 12515.3148 0.74% - 0s * 19 10 18 12607.000000 12538.5714 0.54% 3.3 0s * 28 5 12 12602.000000 12558.2000 0.35% 4.6 0s Cutting planes: Gomory: 5 Zero half: 18 Explored 37 nodes (451 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.260200000000e+04, best bound 1.260200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 114 rows, 1128 columns and 18513 nonzeros Presolve time: 0.01s Presolved: 114 rows, 1128 columns, 18513 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.247425e+04, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12474.2500 0 31 47372.0000 12474.2500 73.7% - 0s Another try with MIP start H 0 0 12716.000000 12474.2500 1.90% - 0s 0 0 12484.0000 0 23 12716.0000 12484.0000 1.82% - 0s 0 0 12484.0000 0 31 12716.0000 12484.0000 1.82% - 0s 0 0 12493.2500 0 24 12716.0000 12493.2500 1.75% - 0s 0 0 12500.1579 0 37 12716.0000 12500.1579 1.70% - 0s H 0 0 12653.000000 12500.1579 1.21% - 0s 0 0 12510.0000 0 30 12653.0000 12510.0000 1.13% - 0s 0 2 12515.3000 0 30 12653.0000 12515.3000 1.09% - 0s H 14 10 12613.000000 12538.9717 0.59% 0.4 0s * 33 6 22 12607.000000 12570.9461 0.29% 12.0 0s * 38 2 25 12603.000000 12570.9461 0.25% 10.7 0s Cutting planes: Gomory: 11 MIR: 1 Zero half: 13 Explored 42 nodes (645 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.260300000000e+04, best bound 1.260300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 115 rows, 1128 columns and 18789 nonzeros Presolve time: 0.01s Presolved: 115 rows, 1128 columns, 18789 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249150e+04, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12491.5000 0 33 47372.0000 12491.5000 73.6% - 0s Another try with MIP start H 0 0 12674.000000 12491.5000 1.44% - 0s 0 0 12506.8000 0 30 12674.0000 12506.8000 1.32% - 0s 0 0 12506.8000 0 33 12674.0000 12506.8000 1.32% - 0s 0 0 12506.8000 0 30 12674.0000 12506.8000 1.32% - 0s 0 0 12509.3333 0 29 12674.0000 12509.3333 1.30% - 0s 0 0 12514.4000 0 38 12674.0000 12514.4000 1.26% - 0s H 0 0 12627.000000 12514.4000 0.89% - 0s 0 0 12514.5667 0 46 12627.0000 12514.5667 0.89% - 0s H 0 0 12618.000000 12514.5667 0.82% - 0s 0 1 12527.2941 0 46 12618.0000 12527.2941 0.72% - 0s H 14 9 12612.000000 12551.2777 0.48% 0.0 0s * 29 7 18 12607.000000 12552.9497 0.43% 7.6 0s Cutting planes: Gomory: 10 Zero half: 10 Explored 50 nodes (539 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.260700000000e+04, best bound 1.260700000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (12, 13), (13, 16), (16, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 116 rows, 1128 columns and 19020 nonzeros Presolve time: 0.01s Presolved: 116 rows, 1128 columns, 19020 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249150e+04, 108 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12491.5000 0 33 47372.0000 12491.5000 73.6% - 0s Another try with MIP start H 0 0 12610.000000 12491.5000 0.94% - 0s 0 0 12506.8000 0 30 12610.0000 12506.8000 0.82% - 0s 0 0 12506.8000 0 33 12610.0000 12506.8000 0.82% - 0s 0 0 12506.8000 0 30 12610.0000 12506.8000 0.82% - 0s 0 0 12509.3333 0 29 12610.0000 12509.3333 0.80% - 0s 0 0 12514.4000 0 38 12610.0000 12514.4000 0.76% - 0s 0 0 12514.9565 0 45 12610.0000 12514.9565 0.75% - 0s 0 0 12515.2800 0 45 12610.0000 12515.2800 0.75% - 0s 0 0 12515.5222 0 47 12610.0000 12515.5222 0.75% - 0s 0 0 12516.2201 0 47 12610.0000 12516.2201 0.74% - 0s 0 0 12520.9925 0 45 12610.0000 12520.9925 0.71% - 0s 0 0 12522.2000 0 33 12610.0000 12522.2000 0.70% - 0s 0 0 12522.2653 0 44 12610.0000 12522.2653 0.70% - 0s 0 0 12522.5909 0 55 12610.0000 12522.5909 0.69% - 0s 0 0 12522.6000 0 44 12610.0000 12522.6000 0.69% - 0s 0 0 12522.9889 0 52 12610.0000 12522.9889 0.69% - 0s 0 0 12526.6216 0 57 12610.0000 12526.6216 0.66% - 0s 0 0 12526.6429 0 49 12610.0000 12526.6429 0.66% - 0s 0 0 12526.6474 0 57 12610.0000 12526.6474 0.66% - 0s 0 0 12527.0405 0 65 12610.0000 12527.0405 0.66% - 0s 0 0 12527.1190 0 63 12610.0000 12527.1190 0.66% - 0s 0 0 12527.3715 0 61 12610.0000 12527.3715 0.66% - 0s 0 0 12527.7316 0 62 12610.0000 12527.7316 0.65% - 0s 0 0 12528.0588 0 50 12610.0000 12528.0588 0.65% - 0s 0 0 12528.1316 0 55 12610.0000 12528.1316 0.65% - 0s 0 0 12528.1906 0 62 12610.0000 12528.1906 0.65% - 0s 0 0 12531.9231 0 32 12610.0000 12531.9231 0.62% - 0s 0 2 12533.4135 0 32 12610.0000 12533.4135 0.61% - 0s * 12 3 12 12609.000000 12557.0000 0.41% 4.1 0s Cutting planes: Gomory: 4 Zero half: 10 Mod-K: 3 Explored 18 nodes (427 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.260900000000e+04, best bound 1.260800000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 117 rows, 1128 columns and 19296 nonzeros Presolve time: 0.01s Presolved: 117 rows, 1128 columns, 19296 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249150e+04, 108 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12491.5000 0 33 47372.0000 12491.5000 73.6% - 0s Another try with MIP start H 0 0 12716.000000 12491.5000 1.77% - 0s 0 0 12506.8000 0 30 12716.0000 12506.8000 1.65% - 0s 0 0 12506.8000 0 33 12716.0000 12506.8000 1.65% - 0s 0 0 12508.0000 0 30 12716.0000 12508.0000 1.64% - 0s H 0 0 12618.000000 12508.0000 0.87% - 0s 0 0 12510.5000 0 32 12618.0000 12510.5000 0.85% - 0s 0 1 12514.8333 0 32 12618.0000 12514.8333 0.82% - 0s H 17 11 12610.000000 12560.0711 0.40% 0.0 0s Cutting planes: Gomory: 10 Zero half: 2 Explored 23 nodes (421 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.261000000000e+04, best bound 1.261000000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 16), (16, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] adding cut for [(9, 10), (2, 9), (2, 10)] Optimize a model with 119 rows, 1128 columns and 19509 nonzeros Presolve time: 0.01s Presolved: 119 rows, 1128 columns, 19509 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12619.000000 12498.5455 0.95% - 0s 0 0 12505.5000 0 37 12619.0000 12505.5000 0.90% - 0s 0 0 12505.5000 0 34 12619.0000 12505.5000 0.90% - 0s 0 0 12505.7619 0 35 12619.0000 12505.7619 0.90% - 0s 0 0 12509.0702 0 45 12619.0000 12509.0702 0.87% - 0s 0 0 12514.8933 0 45 12619.0000 12514.8933 0.82% - 0s 0 0 12515.6463 0 44 12619.0000 12515.6463 0.82% - 0s 0 0 12516.1534 0 45 12619.0000 12516.1534 0.82% - 0s 0 0 12516.4585 0 52 12619.0000 12516.4585 0.81% - 0s 0 0 12517.1087 0 48 12619.0000 12517.1087 0.81% - 0s 0 0 12518.1621 0 44 12619.0000 12518.1621 0.80% - 0s 0 0 12519.0385 0 42 12619.0000 12519.0385 0.79% - 0s 0 0 12519.2918 0 45 12619.0000 12519.2918 0.79% - 0s 0 0 12519.5033 0 50 12619.0000 12519.5033 0.79% - 0s 0 0 12519.9569 0 49 12619.0000 12519.9569 0.78% - 0s 0 0 12520.0654 0 53 12619.0000 12520.0654 0.78% - 0s 0 0 12520.3843 0 51 12619.0000 12520.3843 0.78% - 0s 0 0 12520.8296 0 54 12619.0000 12520.8296 0.78% - 0s 0 0 12521.0800 0 48 12619.0000 12521.0800 0.78% - 0s 0 0 12532.1111 0 32 12619.0000 12532.1111 0.69% - 0s 0 0 12532.2812 0 38 12619.0000 12532.2812 0.69% - 0s 0 0 12532.6000 0 33 12619.0000 12532.6000 0.68% - 0s H 0 0 12618.000000 12532.6000 0.68% - 0s 0 2 12535.2368 0 28 12618.0000 12535.2368 0.66% - 0s * 26 11 13 12612.000000 12540.5484 0.57% 5.2 0s Cutting planes: Gomory: 2 Zero half: 5 Explored 44 nodes (562 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.261200000000e+04, best bound 1.261200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 120 rows, 1128 columns and 19785 nonzeros Presolve time: 0.01s Presolved: 120 rows, 1128 columns, 19785 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12618.000000 12498.5455 0.95% - 0s 0 0 12505.5000 0 37 12618.0000 12505.5000 0.89% - 0s 0 0 12505.5000 0 34 12618.0000 12505.5000 0.89% - 0s 0 0 12505.7619 0 35 12618.0000 12505.7619 0.89% - 0s 0 0 12509.0702 0 45 12618.0000 12509.0702 0.86% - 0s 0 0 12514.8933 0 45 12618.0000 12514.8933 0.82% - 0s 0 0 12515.6463 0 44 12618.0000 12515.6463 0.81% - 0s 0 0 12516.1534 0 45 12618.0000 12516.1534 0.81% - 0s 0 0 12516.4585 0 52 12618.0000 12516.4585 0.80% - 0s 0 0 12517.1087 0 48 12618.0000 12517.1087 0.80% - 0s 0 0 12518.1621 0 44 12618.0000 12518.1621 0.79% - 0s 0 0 12519.0385 0 42 12618.0000 12519.0385 0.78% - 0s 0 0 12519.2918 0 45 12618.0000 12519.2918 0.78% - 0s 0 0 12519.5033 0 50 12618.0000 12519.5033 0.78% - 0s 0 0 12519.9569 0 49 12618.0000 12519.9569 0.78% - 0s 0 0 12520.0654 0 53 12618.0000 12520.0654 0.78% - 0s 0 0 12520.3843 0 51 12618.0000 12520.3843 0.77% - 0s 0 0 12520.8296 0 54 12618.0000 12520.8296 0.77% - 0s 0 0 12521.0800 0 48 12618.0000 12521.0800 0.77% - 0s 0 0 12534.7187 0 36 12618.0000 12534.7187 0.66% - 0s 0 0 12535.0000 0 30 12618.0000 12535.0000 0.66% - 0s 0 0 12535.1154 0 28 12618.0000 12535.1154 0.66% - 0s 0 2 12535.2368 0 28 12618.0000 12535.2368 0.66% - 0s * 27 11 13 12613.000000 12540.5484 0.57% 4.9 0s Cutting planes: Gomory: 2 Zero half: 5 Explored 47 nodes (559 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.261300000000e+04, best bound 1.261300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 121 rows, 1128 columns and 20085 nonzeros Presolve time: 0.01s Presolved: 121 rows, 1128 columns, 20085 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12619.000000 12498.5455 0.95% - 0s 0 0 12505.5000 0 37 12619.0000 12505.5000 0.90% - 0s 0 0 12505.5000 0 34 12619.0000 12505.5000 0.90% - 0s 0 0 12505.7619 0 35 12619.0000 12505.7619 0.90% - 0s 0 0 12509.0702 0 45 12619.0000 12509.0702 0.87% - 0s 0 0 12514.8933 0 45 12619.0000 12514.8933 0.82% - 0s 0 0 12515.6463 0 44 12619.0000 12515.6463 0.82% - 0s 0 0 12516.1534 0 45 12619.0000 12516.1534 0.82% - 0s 0 0 12516.4585 0 52 12619.0000 12516.4585 0.81% - 0s 0 0 12517.1087 0 48 12619.0000 12517.1087 0.81% - 0s 0 0 12518.1621 0 44 12619.0000 12518.1621 0.80% - 0s 0 0 12519.0385 0 42 12619.0000 12519.0385 0.79% - 0s 0 0 12519.2918 0 45 12619.0000 12519.2918 0.79% - 0s 0 0 12519.5567 0 50 12619.0000 12519.5567 0.79% - 0s 0 0 12519.9569 0 49 12619.0000 12519.9569 0.78% - 0s 0 0 12520.0654 0 53 12619.0000 12520.0654 0.78% - 0s 0 0 12520.3843 0 51 12619.0000 12520.3843 0.78% - 0s 0 0 12520.8031 0 62 12619.0000 12520.8031 0.78% - 0s 0 0 12521.0800 0 48 12619.0000 12521.0800 0.78% - 0s 0 0 12532.1111 0 32 12619.0000 12532.1111 0.69% - 0s 0 0 12532.2812 0 38 12619.0000 12532.2812 0.69% - 0s 0 0 12532.6000 0 33 12619.0000 12532.6000 0.68% - 0s H 0 0 12618.000000 12532.6000 0.68% - 0s 0 2 12534.8333 0 33 12618.0000 12534.8333 0.66% - 0s * 36 12 6 12613.000000 12558.0000 0.44% 4.8 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 50 nodes (575 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.261300000000e+04, best bound 1.261300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 122 rows, 1128 columns and 20385 nonzeros Presolve time: 0.01s Presolved: 122 rows, 1128 columns, 20385 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12618.000000 12498.5455 0.95% - 0s 0 0 12505.5000 0 37 12618.0000 12505.5000 0.89% - 0s 0 0 12505.5000 0 34 12618.0000 12505.5000 0.89% - 0s 0 0 12505.7619 0 35 12618.0000 12505.7619 0.89% - 0s 0 0 12509.0702 0 45 12618.0000 12509.0702 0.86% - 0s 0 0 12514.8933 0 45 12618.0000 12514.8933 0.82% - 0s 0 0 12515.6463 0 44 12618.0000 12515.6463 0.81% - 0s 0 0 12516.1534 0 45 12618.0000 12516.1534 0.81% - 0s 0 0 12516.4585 0 52 12618.0000 12516.4585 0.80% - 0s 0 0 12517.1087 0 48 12618.0000 12517.1087 0.80% - 0s 0 0 12518.1621 0 44 12618.0000 12518.1621 0.79% - 0s 0 0 12519.0385 0 42 12618.0000 12519.0385 0.78% - 0s 0 0 12519.2918 0 45 12618.0000 12519.2918 0.78% - 0s 0 0 12519.5567 0 50 12618.0000 12519.5567 0.78% - 0s 0 0 12519.9569 0 49 12618.0000 12519.9569 0.78% - 0s 0 0 12520.0540 0 53 12618.0000 12520.0540 0.78% - 0s 0 0 12520.3735 0 51 12618.0000 12520.3735 0.77% - 0s 0 0 12520.8677 0 60 12618.0000 12520.8677 0.77% - 0s 0 0 12521.0909 0 39 12618.0000 12521.0909 0.77% - 0s 0 0 12521.1861 0 49 12618.0000 12521.1861 0.77% - 0s 0 0 12521.3828 0 61 12618.0000 12521.3828 0.77% - 0s 0 0 12533.4000 0 27 12618.0000 12533.4000 0.67% - 0s 0 2 12533.4000 0 27 12618.0000 12533.4000 0.67% - 0s * 18 4 17 12615.000000 12567.4000 0.38% 4.6 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 1 Explored 29 nodes (466 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.261500000000e+04, best bound 1.261500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 123 rows, 1128 columns and 20685 nonzeros Presolve time: 0.01s Presolved: 123 rows, 1128 columns, 20685 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12618.000000 12498.5455 0.95% - 0s 0 0 12505.5000 0 37 12618.0000 12505.5000 0.89% - 0s 0 0 12505.5000 0 34 12618.0000 12505.5000 0.89% - 0s 0 0 12505.7619 0 35 12618.0000 12505.7619 0.89% - 0s 0 0 12509.0702 0 45 12618.0000 12509.0702 0.86% - 0s 0 0 12514.8933 0 45 12618.0000 12514.8933 0.82% - 0s 0 0 12515.6463 0 44 12618.0000 12515.6463 0.81% - 0s 0 0 12516.1534 0 45 12618.0000 12516.1534 0.81% - 0s 0 0 12516.4585 0 52 12618.0000 12516.4585 0.80% - 0s 0 0 12517.1087 0 48 12618.0000 12517.1087 0.80% - 0s 0 0 12518.1621 0 44 12618.0000 12518.1621 0.79% - 0s 0 0 12519.0385 0 42 12618.0000 12519.0385 0.78% - 0s 0 0 12519.2918 0 45 12618.0000 12519.2918 0.78% - 0s 0 0 12519.5567 0 50 12618.0000 12519.5567 0.78% - 0s 0 0 12519.9569 0 49 12618.0000 12519.9569 0.78% - 0s 0 0 12520.0540 0 53 12618.0000 12520.0540 0.78% - 0s 0 0 12520.3735 0 51 12618.0000 12520.3735 0.77% - 0s 0 0 12520.8677 0 60 12618.0000 12520.8677 0.77% - 0s 0 0 12521.0909 0 39 12618.0000 12521.0909 0.77% - 0s 0 0 12521.1861 0 49 12618.0000 12521.1861 0.77% - 0s 0 0 12521.3828 0 61 12618.0000 12521.3828 0.77% - 0s 0 0 12533.4000 0 27 12618.0000 12533.4000 0.67% - 0s 0 2 12533.4000 0 27 12618.0000 12533.4000 0.67% - 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 1 Explored 30 nodes (456 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.261800000000e+04, best bound 1.261800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 124 rows, 1128 columns and 21120 nonzeros Presolve time: 0.01s Presolved: 124 rows, 1128 columns, 21120 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12627.000000 12498.5455 1.02% - 0s 0 0 12505.5000 0 37 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5000 0 34 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5179 0 37 12627.0000 12505.5179 0.96% - 0s 0 0 12508.9803 0 47 12627.0000 12508.9803 0.93% - 0s 0 0 12515.0765 0 45 12627.0000 12515.0765 0.89% - 0s 0 0 12515.1389 0 45 12627.0000 12515.1389 0.89% - 0s 0 0 12515.2212 0 53 12627.0000 12515.2212 0.89% - 0s 0 0 12515.8934 0 50 12627.0000 12515.8934 0.88% - 0s 0 0 12515.9320 0 58 12627.0000 12515.9320 0.88% - 0s 0 0 12516.5731 0 54 12627.0000 12516.5731 0.87% - 0s 0 0 12517.4573 0 49 12627.0000 12517.4573 0.87% - 0s 0 0 12517.5714 0 57 12627.0000 12517.5714 0.87% - 0s 0 0 12517.8624 0 58 12627.0000 12517.8624 0.86% - 0s 0 0 12517.9972 0 63 12627.0000 12517.9972 0.86% - 0s 0 0 12518.2969 0 61 12627.0000 12518.2969 0.86% - 0s 0 0 12518.3703 0 65 12627.0000 12518.3703 0.86% - 0s 0 0 12518.7009 0 47 12627.0000 12518.7009 0.86% - 0s 0 0 12518.9055 0 53 12627.0000 12518.9055 0.86% - 0s 0 0 12519.0086 0 58 12627.0000 12519.0086 0.86% - 0s 0 0 12519.1115 0 55 12627.0000 12519.1115 0.85% - 0s 0 0 12519.1693 0 56 12627.0000 12519.1693 0.85% - 0s 0 0 12531.2301 0 36 12627.0000 12531.2301 0.76% - 0s 0 0 12531.3090 0 38 12627.0000 12531.3090 0.76% - 0s 0 0 12531.4667 0 36 12627.0000 12531.4667 0.76% - 0s H 0 0 12619.000000 12531.4667 0.69% - 0s 0 2 12531.8111 0 36 12619.0000 12531.8111 0.69% - 0s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 2 Explored 54 nodes (544 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.261900000000e+04, best bound 1.261900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 125 rows, 1128 columns and 21498 nonzeros Presolve time: 0.01s Presolved: 125 rows, 1128 columns, 21498 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12627.000000 12498.5455 1.02% - 0s 0 0 12505.5000 0 37 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5000 0 34 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5179 0 37 12627.0000 12505.5179 0.96% - 0s 0 0 12508.9803 0 47 12627.0000 12508.9803 0.93% - 0s 0 0 12515.0765 0 45 12627.0000 12515.0765 0.89% - 0s 0 0 12515.1389 0 45 12627.0000 12515.1389 0.89% - 0s 0 0 12515.2212 0 53 12627.0000 12515.2212 0.89% - 0s 0 0 12515.8934 0 50 12627.0000 12515.8934 0.88% - 0s 0 0 12515.9320 0 58 12627.0000 12515.9320 0.88% - 0s 0 0 12516.5731 0 54 12627.0000 12516.5731 0.87% - 0s 0 0 12517.4573 0 49 12627.0000 12517.4573 0.87% - 0s 0 0 12517.5714 0 57 12627.0000 12517.5714 0.87% - 0s 0 0 12517.8624 0 58 12627.0000 12517.8624 0.86% - 0s 0 0 12517.9972 0 63 12627.0000 12517.9972 0.86% - 0s 0 0 12518.2969 0 61 12627.0000 12518.2969 0.86% - 0s 0 0 12518.3703 0 65 12627.0000 12518.3703 0.86% - 0s 0 0 12518.7009 0 47 12627.0000 12518.7009 0.86% - 0s 0 0 12518.9055 0 53 12627.0000 12518.9055 0.86% - 0s 0 0 12519.0086 0 58 12627.0000 12519.0086 0.86% - 0s 0 0 12519.1115 0 55 12627.0000 12519.1115 0.85% - 0s 0 0 12519.1693 0 56 12627.0000 12519.1693 0.85% - 0s 0 0 12531.2301 0 36 12627.0000 12531.2301 0.76% - 0s 0 0 12531.3090 0 38 12627.0000 12531.3090 0.76% - 0s 0 0 12531.4667 0 36 12627.0000 12531.4667 0.76% - 0s 0 2 12531.8111 0 36 12627.0000 12531.8111 0.75% - 0s * 13 5 12 12624.000000 12533.3494 0.72% 4.1 0s * 46 3 4 12622.000000 12607.5000 0.11% 5.2 0s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 2 Explored 50 nodes (564 simplex iterations) in 0.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.262200000000e+04, best bound 1.262200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 21), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 126 rows, 1128 columns and 21849 nonzeros Presolve time: 0.01s Presolved: 126 rows, 1128 columns, 21849 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.0408 0 45 12653.0000 12515.0408 1.09% - 0s 0 0 12515.0741 0 45 12653.0000 12515.0741 1.09% - 0s 0 0 12515.1828 0 53 12653.0000 12515.1828 1.09% - 0s 0 0 12515.8768 0 44 12653.0000 12515.8768 1.08% - 0s 0 0 12515.9173 0 52 12653.0000 12515.9173 1.08% - 0s 0 0 12516.1606 0 50 12653.0000 12516.1606 1.08% - 0s 0 0 12516.1703 0 58 12653.0000 12516.1703 1.08% - 0s 0 0 12516.5504 0 60 12653.0000 12516.5504 1.08% - 0s 0 0 12517.3649 0 46 12653.0000 12517.3649 1.07% - 0s 0 0 12517.4922 0 54 12653.0000 12517.4922 1.07% - 0s 0 0 12517.8246 0 55 12653.0000 12517.8246 1.07% - 0s 0 0 12518.1678 0 57 12653.0000 12518.1678 1.07% - 0s 0 0 12518.2203 0 59 12653.0000 12518.2203 1.07% - 0s 0 0 12518.2569 0 53 12653.0000 12518.2569 1.06% - 0s 0 0 12518.4836 0 57 12653.0000 12518.4836 1.06% - 0s 0 0 12518.5154 0 63 12653.0000 12518.5154 1.06% - 0s H 0 0 12644.000000 12518.5154 0.99% - 0s H 0 0 12627.000000 12518.5154 0.86% - 0s 0 1 12536.4187 0 36 12627.0000 12536.4187 0.72% - 0s * 15 5 13 12624.000000 12549.5833 0.59% 7.1 0s Cutting planes: Gomory: 2 Zero half: 9 Explored 35 nodes (463 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.262400000000e+04, best bound 1.262400000000e+04, gap 0.0% adding cut for [(7, 37), (7, 28), (8, 44), (8, 28), (18, 43), (18, 27), (19, 36), (19, 44), (20, 37), (20, 27), (30, 36), (30, 43)] Optimize a model with 127 rows, 1128 columns and 21915 nonzeros Presolve time: 0.01s Presolved: 127 rows, 1128 columns, 21915 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12627.000000 12498.5455 1.02% - 0s 0 0 12505.5000 0 37 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5000 0 34 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5179 0 37 12627.0000 12505.5179 0.96% - 0s 0 0 12508.9803 0 47 12627.0000 12508.9803 0.93% - 0s 0 0 12515.5782 0 44 12627.0000 12515.5782 0.88% - 0s 0 0 12516.0494 0 44 12627.0000 12516.0494 0.88% - 0s 0 0 12516.0734 0 52 12627.0000 12516.0734 0.88% - 0s 0 0 12516.6352 0 53 12627.0000 12516.6352 0.87% - 0s 0 0 12517.3449 0 50 12627.0000 12517.3449 0.87% - 0s 0 0 12517.4599 0 58 12627.0000 12517.4599 0.87% - 0s 0 0 12518.4211 0 45 12627.0000 12518.4211 0.86% - 0s 0 0 12518.4459 0 46 12627.0000 12518.4459 0.86% - 0s 0 0 12518.5188 0 54 12627.0000 12518.5188 0.86% - 0s 0 0 12529.8889 0 36 12627.0000 12529.8889 0.77% - 0s 0 0 12530.4196 0 36 12627.0000 12530.4196 0.76% - 0s 0 2 12533.2634 0 36 12627.0000 12533.2634 0.74% - 0s * 20 8 19 12624.000000 12537.5268 0.68% 3.0 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 71 nodes (565 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.262400000000e+04, best bound 1.262400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 128 rows, 1128 columns and 22168 nonzeros Presolve time: 0.01s Presolved: 128 rows, 1128 columns, 22168 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3878 0 44 12653.0000 12515.3878 1.09% - 0s 0 0 12515.7037 0 44 12653.0000 12515.7037 1.09% - 0s 0 0 12515.7690 0 52 12653.0000 12515.7690 1.08% - 0s 0 0 12516.7559 0 53 12653.0000 12516.7559 1.08% - 0s 0 0 12517.2466 0 46 12653.0000 12517.2466 1.07% - 0s 0 0 12517.2894 0 54 12653.0000 12517.2894 1.07% - 0s 0 0 12518.0249 0 50 12653.0000 12518.0249 1.07% - 0s 0 0 12518.0982 0 58 12653.0000 12518.0982 1.07% - 0s 0 0 12518.2775 0 60 12653.0000 12518.2775 1.06% - 0s H 0 0 12627.000000 12518.2775 0.86% - 0s 0 0 12518.3767 0 59 12627.0000 12518.3767 0.86% - 0s 0 0 12518.7579 0 50 12627.0000 12518.7579 0.86% - 0s 0 0 12518.8673 0 58 12627.0000 12518.8673 0.86% - 0s 0 0 12519.2984 0 61 12627.0000 12519.2984 0.85% - 0s 0 0 12519.6208 0 56 12627.0000 12519.6208 0.85% - 0s 0 0 12519.7253 0 61 12627.0000 12519.7253 0.85% - 0s 0 0 12520.6245 0 56 12627.0000 12520.6245 0.84% - 0s 0 0 12520.6636 0 63 12627.0000 12520.6636 0.84% - 0s 0 0 12528.5433 0 50 12627.0000 12528.5433 0.78% - 0s 0 2 12529.6452 0 50 12627.0000 12529.6452 0.77% - 0s H 48 1 12625.000000 12588.3704 0.29% 6.0 0s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 3 Explored 52 nodes (640 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.262500000000e+04, best bound 1.262500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 40), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 129 rows, 1128 columns and 22468 nonzeros Presolve time: 0.01s Presolved: 129 rows, 1128 columns, 22468 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12627.000000 12498.5455 1.02% - 0s 0 0 12505.5000 0 37 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5000 0 34 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5179 0 37 12627.0000 12505.5179 0.96% - 0s 0 0 12508.9803 0 47 12627.0000 12508.9803 0.93% - 0s 0 0 12515.5782 0 44 12627.0000 12515.5782 0.88% - 0s 0 0 12516.0494 0 44 12627.0000 12516.0494 0.88% - 0s 0 0 12516.0734 0 52 12627.0000 12516.0734 0.88% - 0s 0 0 12516.6352 0 53 12627.0000 12516.6352 0.87% - 0s 0 0 12517.3449 0 50 12627.0000 12517.3449 0.87% - 0s 0 0 12517.4599 0 58 12627.0000 12517.4599 0.87% - 0s 0 0 12517.8406 0 59 12627.0000 12517.8406 0.86% - 0s 0 0 12518.4211 0 45 12627.0000 12518.4211 0.86% - 0s 0 0 12518.5000 0 52 12627.0000 12518.5000 0.86% - 0s 0 0 12518.5916 0 53 12627.0000 12518.5916 0.86% - 0s 0 0 12518.6503 0 56 12627.0000 12518.6503 0.86% - 0s 0 0 12518.8968 0 59 12627.0000 12518.8968 0.86% - 0s 0 0 12519.5607 0 57 12627.0000 12519.5607 0.85% - 0s 0 0 12519.7506 0 57 12627.0000 12519.7506 0.85% - 0s 0 0 12519.9663 0 57 12627.0000 12519.9663 0.85% - 0s 0 0 12520.0744 0 57 12627.0000 12520.0744 0.85% - 0s 0 0 12520.2545 0 63 12627.0000 12520.2545 0.85% - 0s 0 0 12520.4712 0 57 12627.0000 12520.4712 0.84% - 0s 0 0 12520.8276 0 64 12627.0000 12520.8276 0.84% - 0s 0 0 12521.4549 0 60 12627.0000 12521.4549 0.84% - 0s 0 0 12521.7876 0 55 12627.0000 12521.7876 0.83% - 0s 0 0 12521.8083 0 64 12627.0000 12521.8083 0.83% - 0s 0 0 12522.6219 0 59 12627.0000 12522.6219 0.83% - 0s 0 0 12532.3672 0 37 12627.0000 12532.3672 0.75% - 0s 0 0 12532.9588 0 39 12627.0000 12532.9588 0.74% - 0s 0 2 12533.3090 0 39 12627.0000 12533.3090 0.74% - 0s H 18 8 12626.000000 12536.5839 0.71% 4.3 0s Cutting planes: Gomory: 3 Zero half: 12 Mod-K: 4 Explored 85 nodes (875 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.262600000000e+04, best bound 1.262600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 130 rows, 1128 columns and 22744 nonzeros Presolve time: 0.01s Presolved: 130 rows, 1128 columns, 22744 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12627.000000 12498.5455 1.02% - 0s 0 0 12505.5000 0 37 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5000 0 34 12627.0000 12505.5000 0.96% - 0s 0 0 12505.5179 0 37 12627.0000 12505.5179 0.96% - 0s 0 0 12508.9803 0 47 12627.0000 12508.9803 0.93% - 0s 0 0 12515.5782 0 44 12627.0000 12515.5782 0.88% - 0s 0 0 12516.0494 0 44 12627.0000 12516.0494 0.88% - 0s 0 0 12516.0734 0 52 12627.0000 12516.0734 0.88% - 0s 0 0 12516.9287 0 58 12627.0000 12516.9287 0.87% - 0s 0 0 12517.2903 0 54 12627.0000 12517.2903 0.87% - 0s 0 0 12518.0822 0 51 12627.0000 12518.0822 0.86% - 0s 0 0 12518.1936 0 58 12627.0000 12518.1936 0.86% - 0s 0 0 12518.2224 0 59 12627.0000 12518.2224 0.86% - 0s 0 0 12518.8971 0 50 12627.0000 12518.8971 0.86% - 0s 0 0 12519.0827 0 53 12627.0000 12519.0827 0.85% - 0s 0 0 12519.2940 0 58 12627.0000 12519.2940 0.85% - 0s 0 0 12519.3263 0 55 12627.0000 12519.3263 0.85% - 0s 0 0 12519.4388 0 59 12627.0000 12519.4388 0.85% - 0s 0 0 12519.4769 0 60 12627.0000 12519.4769 0.85% - 0s 0 0 12520.4124 0 47 12627.0000 12520.4124 0.84% - 0s 0 0 12520.4161 0 52 12627.0000 12520.4161 0.84% - 0s 0 0 12520.4205 0 60 12627.0000 12520.4205 0.84% - 0s 0 0 12531.0625 0 37 12627.0000 12531.0625 0.76% - 0s 0 2 12533.9062 0 37 12627.0000 12533.9062 0.74% - 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 73 nodes (717 simplex iterations) in 0.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.262700000000e+04, best bound 1.262700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 131 rows, 1128 columns and 23069 nonzeros Presolve time: 0.01s Presolved: 131 rows, 1128 columns, 23069 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3878 0 44 12653.0000 12515.3878 1.09% - 0s 0 0 12515.7037 0 44 12653.0000 12515.7037 1.09% - 0s 0 0 12515.7690 0 52 12653.0000 12515.7690 1.08% - 0s 0 0 12516.7559 0 53 12653.0000 12516.7559 1.08% - 0s 0 0 12517.3346 0 45 12653.0000 12517.3346 1.07% - 0s 0 0 12517.4360 0 46 12653.0000 12517.4360 1.07% - 0s 0 0 12517.4646 0 53 12653.0000 12517.4646 1.07% - 0s 0 0 12517.5416 0 54 12653.0000 12517.5416 1.07% - 0s 0 0 12518.0249 0 50 12653.0000 12518.0249 1.07% - 0s 0 0 12518.0367 0 51 12653.0000 12518.0367 1.07% - 0s 0 0 12518.1273 0 58 12653.0000 12518.1273 1.07% - 0s 0 0 12518.1284 0 59 12653.0000 12518.1284 1.07% - 0s 0 0 12518.4953 0 54 12653.0000 12518.4953 1.06% - 0s 0 0 12518.6083 0 59 12653.0000 12518.6083 1.06% - 0s 0 0 12519.4378 0 49 12653.0000 12519.4378 1.06% - 0s 0 0 12519.5171 0 54 12653.0000 12519.5171 1.05% - 0s 0 0 12519.5304 0 61 12653.0000 12519.5304 1.05% - 0s 0 0 12522.1041 0 59 12653.0000 12522.1041 1.03% - 0s 0 2 12522.2083 0 59 12653.0000 12522.2083 1.03% - 0s * 19 10 17 12651.000000 12532.6260 0.94% 5.7 0s * 21 7 16 12643.000000 12532.6260 0.87% 5.4 0s H 27 10 12631.000000 12547.9167 0.66% 5.6 0s * 60 14 7 12627.000000 12567.6000 0.47% 5.3 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 99 nodes (772 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.262700000000e+04, best bound 1.262700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 132 rows, 1128 columns and 23345 nonzeros Presolve time: 0.01s Presolved: 132 rows, 1128 columns, 23345 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3878 0 44 12653.0000 12515.3878 1.09% - 0s 0 0 12515.7037 0 44 12653.0000 12515.7037 1.09% - 0s 0 0 12515.7690 0 52 12653.0000 12515.7690 1.08% - 0s 0 0 12516.7559 0 53 12653.0000 12516.7559 1.08% - 0s 0 0 12517.3346 0 45 12653.0000 12517.3346 1.07% - 0s 0 0 12517.4360 0 46 12653.0000 12517.4360 1.07% - 0s 0 0 12517.4646 0 53 12653.0000 12517.4646 1.07% - 0s 0 0 12517.5416 0 54 12653.0000 12517.5416 1.07% - 0s 0 0 12518.0249 0 50 12653.0000 12518.0249 1.07% - 0s 0 0 12518.0367 0 51 12653.0000 12518.0367 1.07% - 0s 0 0 12518.1273 0 58 12653.0000 12518.1273 1.07% - 0s 0 0 12518.1284 0 59 12653.0000 12518.1284 1.07% - 0s 0 0 12518.4953 0 54 12653.0000 12518.4953 1.06% - 0s 0 0 12518.6083 0 59 12653.0000 12518.6083 1.06% - 0s 0 0 12519.4378 0 49 12653.0000 12519.4378 1.06% - 0s 0 0 12519.5171 0 54 12653.0000 12519.5171 1.05% - 0s 0 0 12519.5304 0 61 12653.0000 12519.5304 1.05% - 0s 0 0 12522.1041 0 59 12653.0000 12522.1041 1.03% - 0s 0 2 12522.2083 0 59 12653.0000 12522.2083 1.03% - 0s * 19 10 17 12651.000000 12532.6260 0.94% 5.6 0s * 21 7 16 12643.000000 12532.6260 0.87% 5.4 0s H 27 10 12631.000000 12547.9167 0.66% 5.6 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 104 nodes (811 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.263100000000e+04, best bound 1.263100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 133 rows, 1128 columns and 23598 nonzeros Presolve time: 0.01s Presolved: 133 rows, 1128 columns, 23598 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3878 0 44 12653.0000 12515.3878 1.09% - 0s 0 0 12515.7037 0 44 12653.0000 12515.7037 1.09% - 0s 0 0 12515.7690 0 52 12653.0000 12515.7690 1.08% - 0s 0 0 12516.7559 0 53 12653.0000 12516.7559 1.08% - 0s 0 0 12517.3346 0 45 12653.0000 12517.3346 1.07% - 0s 0 0 12517.4360 0 46 12653.0000 12517.4360 1.07% - 0s 0 0 12517.4646 0 53 12653.0000 12517.4646 1.07% - 0s 0 0 12517.5416 0 54 12653.0000 12517.5416 1.07% - 0s 0 0 12518.0249 0 50 12653.0000 12518.0249 1.07% - 0s 0 0 12518.0367 0 51 12653.0000 12518.0367 1.07% - 0s 0 0 12518.1273 0 58 12653.0000 12518.1273 1.07% - 0s 0 0 12518.1284 0 59 12653.0000 12518.1284 1.07% - 0s 0 0 12518.4953 0 54 12653.0000 12518.4953 1.06% - 0s 0 0 12518.6083 0 59 12653.0000 12518.6083 1.06% - 0s 0 0 12519.4378 0 49 12653.0000 12519.4378 1.06% - 0s 0 0 12519.5171 0 54 12653.0000 12519.5171 1.05% - 0s 0 0 12519.5304 0 61 12653.0000 12519.5304 1.05% - 0s 0 0 12522.1041 0 59 12653.0000 12522.1041 1.03% - 0s 0 2 12522.2083 0 59 12653.0000 12522.2083 1.03% - 0s * 19 10 17 12651.000000 12532.6260 0.94% 5.6 0s * 21 7 16 12643.000000 12532.6260 0.87% 5.4 0s * 44 21 22 12639.000000 12547.9167 0.72% 4.7 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 118 nodes (896 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.263900000000e+04, best bound 1.263800000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 134 rows, 1128 columns and 23898 nonzeros Presolve time: 0.01s Presolved: 134 rows, 1128 columns, 23898 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3878 0 44 12653.0000 12515.3878 1.09% - 0s 0 0 12515.7037 0 44 12653.0000 12515.7037 1.09% - 0s 0 0 12515.7690 0 52 12653.0000 12515.7690 1.08% - 0s 0 0 12516.7559 0 53 12653.0000 12516.7559 1.08% - 0s 0 0 12517.3346 0 45 12653.0000 12517.3346 1.07% - 0s 0 0 12517.4360 0 46 12653.0000 12517.4360 1.07% - 0s 0 0 12517.4646 0 53 12653.0000 12517.4646 1.07% - 0s 0 0 12517.5416 0 54 12653.0000 12517.5416 1.07% - 0s 0 0 12518.0249 0 50 12653.0000 12518.0249 1.07% - 0s 0 0 12518.0367 0 51 12653.0000 12518.0367 1.07% - 0s 0 0 12518.1273 0 58 12653.0000 12518.1273 1.07% - 0s 0 0 12518.1284 0 59 12653.0000 12518.1284 1.07% - 0s 0 0 12518.4953 0 54 12653.0000 12518.4953 1.06% - 0s 0 0 12518.6083 0 59 12653.0000 12518.6083 1.06% - 0s 0 0 12519.4378 0 49 12653.0000 12519.4378 1.06% - 0s 0 0 12519.5171 0 54 12653.0000 12519.5171 1.05% - 0s 0 0 12519.5304 0 61 12653.0000 12519.5304 1.05% - 0s 0 0 12522.1041 0 59 12653.0000 12522.1041 1.03% - 0s 0 2 12522.2083 0 59 12653.0000 12522.2083 1.03% - 0s * 19 10 17 12651.000000 12532.6260 0.94% 5.6 0s * 21 7 16 12643.000000 12532.6260 0.87% 5.4 0s * 46 19 20 12641.000000 12547.9167 0.74% 4.6 0s * 119 0 13 12638.000000 12638.0000 0.0% 5.2 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 120 nodes (910 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.263800000000e+04, best bound 1.263800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 135 rows, 1128 columns and 24198 nonzeros Presolve time: 0.01s Presolved: 135 rows, 1128 columns, 24198 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3878 0 44 12653.0000 12515.3878 1.09% - 0s 0 0 12515.7037 0 44 12653.0000 12515.7037 1.09% - 0s 0 0 12515.7690 0 52 12653.0000 12515.7690 1.08% - 0s 0 0 12516.7559 0 53 12653.0000 12516.7559 1.08% - 0s 0 0 12517.3346 0 45 12653.0000 12517.3346 1.07% - 0s 0 0 12517.4360 0 46 12653.0000 12517.4360 1.07% - 0s 0 0 12517.4646 0 53 12653.0000 12517.4646 1.07% - 0s 0 0 12517.5416 0 54 12653.0000 12517.5416 1.07% - 0s 0 0 12518.0249 0 50 12653.0000 12518.0249 1.07% - 0s 0 0 12518.0367 0 51 12653.0000 12518.0367 1.07% - 0s 0 0 12518.1273 0 58 12653.0000 12518.1273 1.07% - 0s 0 0 12518.1284 0 59 12653.0000 12518.1284 1.07% - 0s 0 0 12518.4953 0 54 12653.0000 12518.4953 1.06% - 0s 0 0 12518.6083 0 59 12653.0000 12518.6083 1.06% - 0s 0 0 12519.4378 0 49 12653.0000 12519.4378 1.06% - 0s 0 0 12519.5171 0 54 12653.0000 12519.5171 1.05% - 0s 0 0 12519.5304 0 61 12653.0000 12519.5304 1.05% - 0s 0 0 12522.1041 0 59 12653.0000 12522.1041 1.03% - 0s 0 2 12522.2083 0 59 12653.0000 12522.2083 1.03% - 0s * 19 10 17 12651.000000 12532.6260 0.94% 5.6 0s * 21 7 16 12643.000000 12532.6260 0.87% 5.4 0s * 46 19 20 12641.000000 12547.9167 0.74% 4.6 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 117 nodes (924 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.264100000000e+04, best bound 1.264100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 136 rows, 1128 columns and 24474 nonzeros Presolve time: 0.01s Presolved: 136 rows, 1128 columns, 24474 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3878 0 44 12653.0000 12515.3878 1.09% - 0s 0 0 12515.7037 0 44 12653.0000 12515.7037 1.09% - 0s 0 0 12515.7690 0 52 12653.0000 12515.7690 1.08% - 0s 0 0 12516.7559 0 53 12653.0000 12516.7559 1.08% - 0s 0 0 12517.3346 0 45 12653.0000 12517.3346 1.07% - 0s 0 0 12517.4360 0 46 12653.0000 12517.4360 1.07% - 0s 0 0 12517.4646 0 53 12653.0000 12517.4646 1.07% - 0s 0 0 12517.5416 0 54 12653.0000 12517.5416 1.07% - 0s 0 0 12518.0249 0 50 12653.0000 12518.0249 1.07% - 0s 0 0 12518.0367 0 51 12653.0000 12518.0367 1.07% - 0s 0 0 12518.1273 0 58 12653.0000 12518.1273 1.07% - 0s 0 0 12518.1284 0 59 12653.0000 12518.1284 1.07% - 0s 0 0 12518.4953 0 54 12653.0000 12518.4953 1.06% - 0s 0 0 12518.6083 0 59 12653.0000 12518.6083 1.06% - 0s 0 0 12519.4378 0 49 12653.0000 12519.4378 1.06% - 0s 0 0 12519.5171 0 54 12653.0000 12519.5171 1.05% - 0s 0 0 12519.5304 0 61 12653.0000 12519.5304 1.05% - 0s 0 0 12522.1041 0 59 12653.0000 12522.1041 1.03% - 0s 0 2 12522.2083 0 59 12653.0000 12522.2083 1.03% - 0s * 19 10 17 12651.000000 12532.6260 0.94% 5.6 0s * 21 7 16 12643.000000 12532.6260 0.87% 5.4 0s * 102 12 9 12642.000000 12581.6000 0.48% 5.3 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 122 nodes (937 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.264200000000e+04, best bound 1.264200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 16), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 137 rows, 1128 columns and 24750 nonzeros Presolve time: 0.02s Presolved: 137 rows, 1128 columns, 24750 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5179 0 37 12653.0000 12505.5179 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3061 0 44 12653.0000 12515.3061 1.09% - 0s 0 0 12515.5556 0 44 12653.0000 12515.5556 1.09% - 0s 0 0 12515.6386 0 52 12653.0000 12515.6386 1.09% - 0s 0 0 12516.7559 0 53 12653.0000 12516.7559 1.08% - 0s 0 0 12517.3346 0 45 12653.0000 12517.3346 1.07% - 0s 0 0 12517.4360 0 46 12653.0000 12517.4360 1.07% - 0s 0 0 12517.4646 0 53 12653.0000 12517.4646 1.07% - 0s 0 0 12517.5416 0 54 12653.0000 12517.5416 1.07% - 0s 0 0 12518.0249 0 50 12653.0000 12518.0249 1.07% - 0s 0 0 12518.0395 0 51 12653.0000 12518.0395 1.07% - 0s 0 0 12518.1286 0 58 12653.0000 12518.1286 1.07% - 0s 0 0 12518.1303 0 59 12653.0000 12518.1303 1.07% - 0s 0 0 12518.4953 0 54 12653.0000 12518.4953 1.06% - 0s 0 0 12518.6013 0 59 12653.0000 12518.6013 1.06% - 0s 0 0 12519.3288 0 50 12653.0000 12519.3288 1.06% - 0s 0 0 12519.5503 0 54 12653.0000 12519.5503 1.05% - 0s 0 0 12519.5656 0 61 12653.0000 12519.5656 1.05% - 0s 0 0 12519.7012 0 62 12653.0000 12519.7012 1.05% - 0s 0 0 12520.0517 0 52 12653.0000 12520.0517 1.05% - 0s 0 0 12520.2826 0 58 12653.0000 12520.2826 1.05% - 0s 0 0 12520.6092 0 65 12653.0000 12520.6092 1.05% - 0s 0 0 12521.1125 0 52 12653.0000 12521.1125 1.04% - 0s 0 0 12521.2200 0 57 12653.0000 12521.2200 1.04% - 0s 0 0 12521.3455 0 57 12653.0000 12521.3455 1.04% - 0s 0 0 12521.4351 0 62 12653.0000 12521.4351 1.04% - 0s 0 0 12521.4750 0 54 12653.0000 12521.4750 1.04% - 0s H 0 0 12644.000000 12521.4750 0.97% - 0s 0 2 12530.0562 0 46 12644.0000 12530.0562 0.90% - 0s * 52 20 5 12643.000000 12550.0000 0.74% 4.9 0s Cutting planes: Gomory: 2 Zero half: 8 Mod-K: 4 Explored 112 nodes (1011 simplex iterations) in 0.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.264300000000e+04, best bound 1.264300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 138 rows, 1128 columns and 25026 nonzeros Presolve time: 0.02s Presolved: 138 rows, 1128 columns, 25026 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3061 0 44 12653.0000 12515.3061 1.09% - 0s 0 0 12515.5556 0 44 12653.0000 12515.5556 1.09% - 0s 0 0 12515.6386 0 52 12653.0000 12515.6386 1.09% - 0s 0 0 12516.3291 0 48 12653.0000 12516.3291 1.08% - 0s 0 0 12517.0662 0 45 12653.0000 12517.0662 1.07% - 0s 0 0 12517.1812 0 53 12653.0000 12517.1812 1.07% - 0s 0 0 12517.7780 0 50 12653.0000 12517.7780 1.07% - 0s 0 0 12517.8668 0 59 12653.0000 12517.8668 1.07% - 0s 0 0 12518.3369 0 53 12653.0000 12518.3369 1.06% - 0s 0 0 12518.4246 0 58 12653.0000 12518.4246 1.06% - 0s 0 0 12518.5380 0 52 12653.0000 12518.5380 1.06% - 0s 0 0 12518.7072 0 59 12653.0000 12518.7072 1.06% - 0s 0 0 12519.0000 0 46 12653.0000 12519.0000 1.06% - 0s 0 0 12519.4018 0 55 12653.0000 12519.4018 1.06% - 0s 0 0 12519.4928 0 60 12653.0000 12519.4928 1.06% - 0s 0 0 12519.7007 0 59 12653.0000 12519.7007 1.05% - 0s 0 2 12520.1729 0 59 12653.0000 12520.1729 1.05% - 0s * 17 8 17 12651.000000 12548.9036 0.81% 5.2 0s * 25 5 11 12644.000000 12565.5714 0.62% 6.2 0s * 33 5 16 12643.000000 12567.2500 0.60% 6.3 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 52 nodes (621 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.264300000000e+04, best bound 1.264300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 139 rows, 1128 columns and 25257 nonzeros Presolve time: 0.02s Presolved: 139 rows, 1128 columns, 25257 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3061 0 44 12653.0000 12515.3061 1.09% - 0s 0 0 12515.5556 0 44 12653.0000 12515.5556 1.09% - 0s 0 0 12515.6386 0 52 12653.0000 12515.6386 1.09% - 0s 0 0 12516.3291 0 48 12653.0000 12516.3291 1.08% - 0s 0 0 12517.0662 0 45 12653.0000 12517.0662 1.07% - 0s 0 0 12517.1812 0 53 12653.0000 12517.1812 1.07% - 0s 0 0 12517.7780 0 50 12653.0000 12517.7780 1.07% - 0s 0 0 12517.8668 0 59 12653.0000 12517.8668 1.07% - 0s 0 0 12518.3369 0 53 12653.0000 12518.3369 1.06% - 0s 0 0 12518.4246 0 58 12653.0000 12518.4246 1.06% - 0s 0 0 12518.5380 0 52 12653.0000 12518.5380 1.06% - 0s 0 0 12518.7072 0 59 12653.0000 12518.7072 1.06% - 0s 0 0 12519.0000 0 46 12653.0000 12519.0000 1.06% - 0s 0 0 12519.4018 0 55 12653.0000 12519.4018 1.06% - 0s 0 0 12519.4928 0 60 12653.0000 12519.4928 1.06% - 0s 0 0 12519.7007 0 59 12653.0000 12519.7007 1.05% - 0s 0 2 12520.1729 0 59 12653.0000 12520.1729 1.05% - 0s * 17 8 17 12651.000000 12548.9036 0.81% 5.2 0s * 25 5 11 12644.000000 12565.5714 0.62% 6.2 0s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 49 nodes (621 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.264400000000e+04, best bound 1.264400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 140 rows, 1128 columns and 25582 nonzeros Presolve time: 0.02s Presolved: 140 rows, 1128 columns, 25582 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3061 0 44 12653.0000 12515.3061 1.09% - 0s 0 0 12515.5556 0 44 12653.0000 12515.5556 1.09% - 0s 0 0 12515.6386 0 52 12653.0000 12515.6386 1.09% - 0s 0 0 12516.3291 0 48 12653.0000 12516.3291 1.08% - 0s 0 0 12517.0662 0 45 12653.0000 12517.0662 1.07% - 0s 0 0 12517.1812 0 53 12653.0000 12517.1812 1.07% - 0s 0 0 12517.7780 0 50 12653.0000 12517.7780 1.07% - 0s 0 0 12517.8671 0 56 12653.0000 12517.8671 1.07% - 0s 0 0 12518.0751 0 53 12653.0000 12518.0751 1.07% - 0s 0 0 12518.0966 0 61 12653.0000 12518.0966 1.07% - 0s 0 0 12518.5438 0 50 12653.0000 12518.5438 1.06% - 0s 0 0 12518.6596 0 54 12653.0000 12518.6596 1.06% - 0s 0 0 12518.7382 0 61 12653.0000 12518.7382 1.06% - 0s 0 0 12525.3315 0 59 12653.0000 12525.3315 1.01% - 0s 0 2 12525.7123 0 59 12653.0000 12525.7123 1.01% - 0s * 17 8 15 12651.000000 12559.5000 0.72% 7.5 0s Cutting planes: Gomory: 2 Zero half: 10 Mod-K: 2 Explored 48 nodes (628 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265100000000e+04, best bound 1.265100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 141 rows, 1128 columns and 25858 nonzeros Presolve time: 0.02s Presolved: 141 rows, 1128 columns, 25858 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12653.000000 12498.5455 1.22% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 34 12653.0000 12505.5000 1.17% - 0s 0 0 12505.5000 0 37 12653.0000 12505.5000 1.17% - 0s 0 0 12508.9803 0 47 12653.0000 12508.9803 1.14% - 0s 0 0 12515.3061 0 44 12653.0000 12515.3061 1.09% - 0s 0 0 12515.5556 0 44 12653.0000 12515.5556 1.09% - 0s 0 0 12515.6386 0 52 12653.0000 12515.6386 1.09% - 0s 0 0 12516.3291 0 48 12653.0000 12516.3291 1.08% - 0s 0 0 12517.0662 0 45 12653.0000 12517.0662 1.07% - 0s 0 0 12517.1812 0 53 12653.0000 12517.1812 1.07% - 0s 0 0 12517.7780 0 50 12653.0000 12517.7780 1.07% - 0s 0 0 12517.8671 0 56 12653.0000 12517.8671 1.07% - 0s 0 0 12518.0751 0 53 12653.0000 12518.0751 1.07% - 0s 0 0 12518.0966 0 61 12653.0000 12518.0966 1.07% - 0s 0 0 12518.5438 0 50 12653.0000 12518.5438 1.06% - 0s 0 0 12518.6596 0 54 12653.0000 12518.6596 1.06% - 0s 0 0 12518.7382 0 61 12653.0000 12518.7382 1.06% - 0s 0 0 12525.3315 0 59 12653.0000 12525.3315 1.01% - 0s 0 2 12525.7123 0 59 12653.0000 12525.7123 1.01% - 0s Cutting planes: Gomory: 2 Zero half: 10 Mod-K: 2 Explored 50 nodes (621 simplex iterations) in 0.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265300000000e+04, best bound 1.265300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 142 rows, 1128 columns and 26183 nonzeros Presolve time: 0.02s Presolved: 142 rows, 1128 columns, 26183 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12498.5455 1.33% - 0s 0 0 12505.5000 0 37 12667.0000 12505.5000 1.27% - 0s 0 0 12505.5000 0 34 12667.0000 12505.5000 1.27% - 0s 0 0 12505.6563 0 35 12667.0000 12505.6563 1.27% - 0s 0 0 12511.0000 0 34 12667.0000 12511.0000 1.23% - 0s 0 0 12526.0000 0 41 12667.0000 12526.0000 1.11% - 0s 0 0 12526.3125 0 49 12667.0000 12526.3125 1.11% - 0s 0 0 12529.6000 0 42 12667.0000 12529.6000 1.08% - 0s 0 0 12530.1000 0 50 12667.0000 12530.1000 1.08% - 0s 0 0 12530.8824 0 46 12667.0000 12530.8824 1.07% - 0s 0 0 12531.4338 0 54 12667.0000 12531.4338 1.07% - 0s 0 0 12532.5750 0 52 12667.0000 12532.5750 1.06% - 0s 0 0 12532.8393 0 57 12667.0000 12532.8393 1.06% - 0s 0 0 12534.0829 0 54 12667.0000 12534.0829 1.05% - 0s 0 0 12534.1234 0 52 12667.0000 12534.1234 1.05% - 0s 0 0 12534.1518 0 62 12667.0000 12534.1518 1.05% - 0s H 0 0 12666.000000 12534.1518 1.04% - 0s 0 2 12534.5056 0 62 12666.0000 12534.5056 1.04% - 0s * 15 11 14 12665.000000 12545.4241 0.94% 4.6 0s * 31 18 14 12655.000000 12566.0000 0.70% 4.2 0s * 65 20 9 12653.000000 12603.1250 0.39% 4.2 0s Cutting planes: Gomory: 4 Zero half: 8 Explored 87 nodes (676 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265300000000e+04, best bound 1.265200000000e+04, gap 0.0079% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 143 rows, 1128 columns and 26436 nonzeros Presolve time: 0.02s Presolved: 143 rows, 1128 columns, 26436 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12693.000000 12498.5455 1.53% - 0s 0 0 12505.5000 0 37 12693.0000 12505.5000 1.48% - 0s 0 0 12505.5000 0 34 12693.0000 12505.5000 1.48% - 0s 0 0 12505.6071 0 37 12693.0000 12505.6071 1.48% - 0s 0 0 12509.0132 0 47 12693.0000 12509.0132 1.45% - 0s 0 0 12514.8500 0 47 12693.0000 12514.8500 1.40% - 0s 0 0 12515.7959 0 44 12693.0000 12515.7959 1.40% - 0s 0 0 12516.3571 0 52 12693.0000 12516.3571 1.39% - 0s 0 0 12516.4444 0 44 12693.0000 12516.4444 1.39% - 0s 0 0 12516.6720 0 53 12693.0000 12516.6720 1.39% - 0s 0 0 12517.5880 0 45 12693.0000 12517.5880 1.38% - 0s 0 0 12517.7945 0 53 12693.0000 12517.7945 1.38% - 0s 0 0 12518.6538 0 41 12693.0000 12518.6538 1.37% - 0s 0 0 12518.8197 0 48 12693.0000 12518.8197 1.37% - 0s H 0 0 12667.000000 12518.8197 1.17% - 0s 0 2 12519.0000 0 48 12667.0000 12519.0000 1.17% - 0s * 31 11 11 12653.000000 12557.8889 0.75% 5.7 0s Cutting planes: Gomory: 2 Zero half: 9 Explored 108 nodes (889 simplex iterations) in 0.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265300000000e+04, best bound 1.265300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 144 rows, 1128 columns and 26712 nonzeros Presolve time: 0.02s Presolved: 144 rows, 1128 columns, 26712 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.249855e+04, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12498.5455 0 34 47372.0000 12498.5455 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12498.5455 1.33% - 0s 0 0 12505.5000 0 37 12667.0000 12505.5000 1.27% - 0s 0 0 12505.5000 0 34 12667.0000 12505.5000 1.27% - 0s 0 0 12505.6563 0 35 12667.0000 12505.6563 1.27% - 0s 0 0 12511.0000 0 34 12667.0000 12511.0000 1.23% - 0s 0 0 12526.0000 0 41 12667.0000 12526.0000 1.11% - 0s 0 0 12526.3125 0 49 12667.0000 12526.3125 1.11% - 0s 0 0 12529.6000 0 42 12667.0000 12529.6000 1.08% - 0s 0 0 12530.1000 0 50 12667.0000 12530.1000 1.08% - 0s 0 0 12530.8824 0 46 12667.0000 12530.8824 1.07% - 0s 0 0 12531.4338 0 54 12667.0000 12531.4338 1.07% - 0s 0 0 12532.5750 0 52 12667.0000 12532.5750 1.06% - 0s 0 0 12532.8393 0 57 12667.0000 12532.8393 1.06% - 0s 0 0 12534.0829 0 54 12667.0000 12534.0829 1.05% - 0s 0 0 12534.1234 0 52 12667.0000 12534.1234 1.05% - 0s 0 0 12534.1518 0 62 12667.0000 12534.1518 1.05% - 0s H 0 0 12666.000000 12534.1518 1.04% - 0s 0 2 12534.5056 0 62 12666.0000 12534.5056 1.04% - 0s * 15 11 14 12665.000000 12545.4241 0.94% 4.6 0s * 31 18 14 12655.000000 12566.0000 0.70% 4.3 0s * 81 6 5 12653.000000 12626.5714 0.21% 4.6 0s Cutting planes: Gomory: 4 Zero half: 8 Explored 87 nodes (695 simplex iterations) in 0.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265300000000e+04, best bound 1.265200000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 23), (3, 26), (3, 29), (5, 26), (5, 35), (6, 42), (6, 48), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (11, 25), (11, 45), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (25, 42), (29, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (35, 45), (36, 46)] Optimize a model with 145 rows, 1128 columns and 27378 nonzeros Presolve time: 0.02s Presolved: 145 rows, 1128 columns, 27378 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12519.6667 0 37 12667.0000 12519.6667 1.16% - 0s 0 0 12521.0000 0 38 12667.0000 12521.0000 1.15% - 0s 0 0 12521.5556 0 46 12667.0000 12521.5556 1.15% - 0s 0 0 12524.0000 0 43 12667.0000 12524.0000 1.13% - 0s 0 0 12524.1471 0 51 12667.0000 12524.1471 1.13% - 0s 0 0 12524.5556 0 42 12667.0000 12524.5556 1.12% - 0s 0 0 12525.0430 0 54 12667.0000 12525.0430 1.12% - 0s 0 0 12525.5030 0 59 12667.0000 12525.5030 1.12% - 0s 0 0 12525.8000 0 37 12667.0000 12525.8000 1.11% - 0s 0 0 12525.8191 0 60 12667.0000 12525.8191 1.11% - 0s 0 0 12526.1408 0 61 12667.0000 12526.1408 1.11% - 0s 0 0 12526.2436 0 64 12667.0000 12526.2436 1.11% - 0s 0 0 12526.9697 0 53 12667.0000 12526.9697 1.11% - 0s 0 0 12527.0369 0 60 12667.0000 12527.0369 1.10% - 0s 0 0 12527.2492 0 61 12667.0000 12527.2492 1.10% - 0s 0 0 12527.7849 0 56 12667.0000 12527.7849 1.10% - 0s 0 0 12527.9369 0 63 12667.0000 12527.9369 1.10% - 0s 0 0 12528.0174 0 64 12667.0000 12528.0174 1.10% - 0s 0 0 12528.1070 0 61 12667.0000 12528.1070 1.10% - 0s 0 0 12528.1121 0 65 12667.0000 12528.1121 1.10% - 0s H 0 0 12661.000000 12528.1121 1.05% - 0s 0 2 12528.2021 0 65 12661.0000 12528.2021 1.05% - 0s H 27 9 12659.000000 12560.1860 0.78% 7.6 0s * 78 19 14 12655.000000 12572.1042 0.66% 6.8 0s * 113 14 8 12653.000000 12607.1029 0.36% 6.4 0s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 2 Explored 145 nodes (1151 simplex iterations) in 0.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265300000000e+04, best bound 1.265300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 146 rows, 1128 columns and 27654 nonzeros Presolve time: 0.02s Presolved: 146 rows, 1128 columns, 27654 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12519.6667 0 37 12667.0000 12519.6667 1.16% - 0s 0 0 12521.0000 0 38 12667.0000 12521.0000 1.15% - 0s 0 0 12521.5556 0 46 12667.0000 12521.5556 1.15% - 0s 0 0 12524.0000 0 43 12667.0000 12524.0000 1.13% - 0s 0 0 12524.1471 0 51 12667.0000 12524.1471 1.13% - 0s 0 0 12524.5556 0 42 12667.0000 12524.5556 1.12% - 0s 0 0 12525.0430 0 54 12667.0000 12525.0430 1.12% - 0s 0 0 12525.5030 0 59 12667.0000 12525.5030 1.12% - 0s 0 0 12525.8000 0 37 12667.0000 12525.8000 1.11% - 0s 0 0 12525.8191 0 60 12667.0000 12525.8191 1.11% - 0s 0 0 12526.1408 0 61 12667.0000 12526.1408 1.11% - 0s 0 0 12526.2436 0 64 12667.0000 12526.2436 1.11% - 0s 0 0 12526.9697 0 53 12667.0000 12526.9697 1.11% - 0s 0 0 12527.0369 0 60 12667.0000 12527.0369 1.10% - 0s 0 0 12527.2492 0 61 12667.0000 12527.2492 1.10% - 0s 0 0 12527.7849 0 56 12667.0000 12527.7849 1.10% - 0s 0 0 12527.9369 0 63 12667.0000 12527.9369 1.10% - 0s 0 0 12528.0174 0 64 12667.0000 12528.0174 1.10% - 0s 0 0 12528.1070 0 61 12667.0000 12528.1070 1.10% - 0s 0 0 12528.1121 0 65 12667.0000 12528.1121 1.10% - 0s H 0 0 12661.000000 12528.1121 1.05% - 0s 0 2 12528.2021 0 65 12661.0000 12528.2021 1.05% - 0s H 27 9 12659.000000 12560.1860 0.78% 7.6 0s * 78 19 14 12655.000000 12572.1042 0.66% 6.8 0s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 2 Explored 146 nodes (1162 simplex iterations) in 0.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265500000000e+04, best bound 1.265500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 147 rows, 1128 columns and 27907 nonzeros Presolve time: 0.02s Presolved: 147 rows, 1128 columns, 27907 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12519.6667 0 37 12667.0000 12519.6667 1.16% - 0s 0 0 12521.0000 0 38 12667.0000 12521.0000 1.15% - 0s 0 0 12521.5556 0 46 12667.0000 12521.5556 1.15% - 0s 0 0 12524.0000 0 43 12667.0000 12524.0000 1.13% - 0s 0 0 12524.1471 0 51 12667.0000 12524.1471 1.13% - 0s 0 0 12524.5556 0 42 12667.0000 12524.5556 1.12% - 0s 0 0 12525.0430 0 54 12667.0000 12525.0430 1.12% - 0s 0 0 12525.5030 0 59 12667.0000 12525.5030 1.12% - 0s 0 0 12525.8000 0 37 12667.0000 12525.8000 1.11% - 0s 0 0 12525.8191 0 60 12667.0000 12525.8191 1.11% - 0s 0 0 12526.1408 0 61 12667.0000 12526.1408 1.11% - 0s 0 0 12526.2436 0 64 12667.0000 12526.2436 1.11% - 0s 0 0 12526.9697 0 53 12667.0000 12526.9697 1.11% - 0s 0 0 12527.0369 0 60 12667.0000 12527.0369 1.10% - 0s 0 0 12527.2492 0 61 12667.0000 12527.2492 1.10% - 0s 0 0 12527.7849 0 56 12667.0000 12527.7849 1.10% - 0s 0 0 12527.9369 0 63 12667.0000 12527.9369 1.10% - 0s 0 0 12528.0174 0 64 12667.0000 12528.0174 1.10% - 0s 0 0 12528.1070 0 61 12667.0000 12528.1070 1.10% - 0s 0 0 12528.1121 0 65 12667.0000 12528.1121 1.10% - 0s H 0 0 12661.000000 12528.1121 1.05% - 0s 0 2 12528.2021 0 65 12661.0000 12528.2021 1.05% - 0s H 27 9 12659.000000 12560.1860 0.78% 7.6 0s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 2 Explored 150 nodes (1213 simplex iterations) in 0.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265900000000e+04, best bound 1.265900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 148 rows, 1128 columns and 28232 nonzeros Presolve time: 0.02s Presolved: 148 rows, 1128 columns, 28232 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12519.6667 0 37 12667.0000 12519.6667 1.16% - 0s 0 0 12521.0000 0 38 12667.0000 12521.0000 1.15% - 0s 0 0 12521.5556 0 46 12667.0000 12521.5556 1.15% - 0s 0 0 12524.0000 0 43 12667.0000 12524.0000 1.13% - 0s 0 0 12524.1471 0 51 12667.0000 12524.1471 1.13% - 0s 0 0 12524.5556 0 42 12667.0000 12524.5556 1.12% - 0s 0 0 12525.0430 0 54 12667.0000 12525.0430 1.12% - 0s 0 0 12525.5030 0 59 12667.0000 12525.5030 1.12% - 0s 0 0 12525.8000 0 37 12667.0000 12525.8000 1.11% - 0s 0 0 12525.8191 0 60 12667.0000 12525.8191 1.11% - 0s 0 0 12526.1408 0 61 12667.0000 12526.1408 1.11% - 0s 0 0 12526.2436 0 64 12667.0000 12526.2436 1.11% - 0s 0 0 12526.9697 0 53 12667.0000 12526.9697 1.11% - 0s 0 0 12527.0489 0 60 12667.0000 12527.0489 1.10% - 0s 0 0 12527.2528 0 61 12667.0000 12527.2528 1.10% - 0s 0 0 12527.7629 0 57 12667.0000 12527.7629 1.10% - 0s 0 0 12527.7806 0 61 12667.0000 12527.7806 1.10% - 0s 0 0 12527.8377 0 63 12667.0000 12527.8377 1.10% - 0s H 0 0 12661.000000 12527.8377 1.05% - 0s 0 2 12534.7115 0 46 12661.0000 12534.7115 1.00% - 0s * 123 7 6 12660.000000 12612.8000 0.37% 6.2 0s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 1 Explored 134 nodes (1133 simplex iterations) in 0.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266000000000e+04, best bound 1.266000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 149 rows, 1128 columns and 28583 nonzeros Presolve time: 0.02s Presolved: 149 rows, 1128 columns, 28583 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12519.6667 0 37 12667.0000 12519.6667 1.16% - 0s 0 0 12521.0000 0 38 12667.0000 12521.0000 1.15% - 0s 0 0 12521.5556 0 46 12667.0000 12521.5556 1.15% - 0s 0 0 12524.0000 0 43 12667.0000 12524.0000 1.13% - 0s 0 0 12524.1471 0 51 12667.0000 12524.1471 1.13% - 0s 0 0 12524.5556 0 42 12667.0000 12524.5556 1.12% - 0s 0 0 12525.0430 0 54 12667.0000 12525.0430 1.12% - 0s 0 0 12525.5030 0 59 12667.0000 12525.5030 1.12% - 0s 0 0 12525.8000 0 37 12667.0000 12525.8000 1.11% - 0s 0 0 12525.8191 0 60 12667.0000 12525.8191 1.11% - 0s 0 0 12526.1408 0 61 12667.0000 12526.1408 1.11% - 0s 0 0 12526.2436 0 64 12667.0000 12526.2436 1.11% - 0s 0 0 12526.9697 0 53 12667.0000 12526.9697 1.11% - 0s 0 0 12527.0489 0 60 12667.0000 12527.0489 1.10% - 0s 0 0 12527.2528 0 61 12667.0000 12527.2528 1.10% - 0s 0 0 12527.7629 0 57 12667.0000 12527.7629 1.10% - 0s 0 0 12527.7806 0 61 12667.0000 12527.7806 1.10% - 0s 0 0 12527.8377 0 63 12667.0000 12527.8377 1.10% - 0s H 0 0 12661.000000 12527.8377 1.05% - 0s 0 2 12534.7115 0 46 12661.0000 12534.7115 1.00% - 0s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 1 Explored 133 nodes (1116 simplex iterations) in 0.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266100000000e+04, best bound 1.266100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 150 rows, 1128 columns and 28934 nonzeros Presolve time: 0.02s Presolved: 150 rows, 1128 columns, 28934 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12519.6667 0 37 12667.0000 12519.6667 1.16% - 0s 0 0 12521.0000 0 38 12667.0000 12521.0000 1.15% - 0s 0 0 12521.5556 0 46 12667.0000 12521.5556 1.15% - 0s 0 0 12524.0000 0 43 12667.0000 12524.0000 1.13% - 0s 0 0 12524.1471 0 51 12667.0000 12524.1471 1.13% - 0s 0 0 12524.5556 0 42 12667.0000 12524.5556 1.12% - 0s 0 0 12525.0430 0 54 12667.0000 12525.0430 1.12% - 0s 0 0 12525.5030 0 59 12667.0000 12525.5030 1.12% - 0s 0 0 12525.8000 0 37 12667.0000 12525.8000 1.11% - 0s 0 0 12525.8191 0 60 12667.0000 12525.8191 1.11% - 0s 0 0 12526.1408 0 61 12667.0000 12526.1408 1.11% - 0s 0 0 12526.2436 0 64 12667.0000 12526.2436 1.11% - 0s 0 0 12526.9697 0 53 12667.0000 12526.9697 1.11% - 0s 0 0 12527.0489 0 60 12667.0000 12527.0489 1.10% - 0s 0 0 12527.2528 0 61 12667.0000 12527.2528 1.10% - 0s 0 0 12527.7629 0 57 12667.0000 12527.7629 1.10% - 0s 0 0 12527.7806 0 61 12667.0000 12527.7806 1.10% - 0s 0 0 12527.8377 0 63 12667.0000 12527.8377 1.10% - 0s 0 2 12528.0909 0 63 12667.0000 12528.0909 1.10% - 0s * 26 8 5 12666.000000 12549.7500 0.92% 6.5 0s * 47 26 23 12665.000000 12549.7500 0.91% 5.0 0s * 62 20 10 12664.000000 12554.0645 0.87% 5.2 0s Cutting planes: Gomory: 5 Zero half: 12 Mod-K: 1 Explored 159 nodes (1142 simplex iterations) in 0.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266400000000e+04, best bound 1.266400000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 151 rows, 1128 columns and 29234 nonzeros Presolve time: 0.02s Presolved: 151 rows, 1128 columns, 29234 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12519.6667 0 37 12667.0000 12519.6667 1.16% - 0s 0 0 12521.0000 0 38 12667.0000 12521.0000 1.15% - 0s 0 0 12521.5556 0 46 12667.0000 12521.5556 1.15% - 0s 0 0 12524.0000 0 43 12667.0000 12524.0000 1.13% - 0s 0 0 12524.1471 0 51 12667.0000 12524.1471 1.13% - 0s 0 0 12524.5556 0 42 12667.0000 12524.5556 1.12% - 0s 0 0 12525.0430 0 54 12667.0000 12525.0430 1.12% - 0s 0 0 12525.5030 0 59 12667.0000 12525.5030 1.12% - 0s 0 0 12525.8000 0 37 12667.0000 12525.8000 1.11% - 0s 0 0 12525.8191 0 60 12667.0000 12525.8191 1.11% - 0s 0 0 12526.1408 0 61 12667.0000 12526.1408 1.11% - 0s 0 0 12526.2436 0 64 12667.0000 12526.2436 1.11% - 0s 0 0 12526.9697 0 53 12667.0000 12526.9697 1.11% - 0s 0 0 12527.0489 0 60 12667.0000 12527.0489 1.10% - 0s 0 0 12527.2528 0 61 12667.0000 12527.2528 1.10% - 0s 0 0 12527.7629 0 57 12667.0000 12527.7629 1.10% - 0s 0 0 12527.7806 0 61 12667.0000 12527.7806 1.10% - 0s 0 0 12527.8377 0 63 12667.0000 12527.8377 1.10% - 0s H 0 0 12666.000000 12527.8377 1.09% - 0s 0 2 12528.0909 0 63 12666.0000 12528.0909 1.09% - 0s * 49 28 25 12665.000000 12549.7500 0.91% 4.8 0s * 109 27 21 12664.000000 12580.0417 0.66% 5.6 0s Cutting planes: Gomory: 5 Zero half: 12 Mod-K: 1 Explored 156 nodes (1143 simplex iterations) in 0.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266400000000e+04, best bound 1.266400000000e+04, gap 0.0% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 152 rows, 1128 columns and 29444 nonzeros Presolve time: 0.02s Presolved: 152 rows, 1128 columns, 29444 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 118 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12515.7143 0 36 12667.0000 12515.7143 1.19% - 0s 0 0 12516.0625 0 42 12667.0000 12516.0625 1.19% - 0s 0 0 12520.2500 0 43 12667.0000 12520.2500 1.16% - 0s 0 0 12522.7143 0 38 12667.0000 12522.7143 1.14% - 0s 0 0 12523.2500 0 46 12667.0000 12523.2500 1.13% - 0s 0 0 12523.2500 0 35 12667.0000 12523.2500 1.13% - 0s 0 0 12523.2692 0 39 12667.0000 12523.2692 1.13% - 0s 0 0 12523.2995 0 47 12667.0000 12523.2995 1.13% - 0s 0 0 12528.1250 0 32 12667.0000 12528.1250 1.10% - 0s H 0 0 12666.000000 12528.1250 1.09% - 0s 0 2 12531.0000 0 32 12666.0000 12531.0000 1.07% - 0s * 64 12 18 12665.000000 12600.5000 0.51% 4.0 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 88 nodes (639 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266500000000e+04, best bound 1.266500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 40), (33, 46), (34, 41), (36, 46)] Optimize a model with 153 rows, 1128 columns and 29744 nonzeros Presolve time: 0.02s Presolved: 153 rows, 1128 columns, 29744 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 118 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12515.7143 0 36 12667.0000 12515.7143 1.19% - 0s 0 0 12516.0625 0 42 12667.0000 12516.0625 1.19% - 0s 0 0 12520.2500 0 43 12667.0000 12520.2500 1.16% - 0s 0 0 12522.7143 0 38 12667.0000 12522.7143 1.14% - 0s 0 0 12523.2500 0 46 12667.0000 12523.2500 1.13% - 0s 0 0 12523.2500 0 35 12667.0000 12523.2500 1.13% - 0s 0 0 12523.2583 0 50 12667.0000 12523.2583 1.13% - 0s 0 0 12523.3037 0 47 12667.0000 12523.3037 1.13% - 0s 0 0 12523.3101 0 48 12667.0000 12523.3101 1.13% - 0s 0 0 12528.1250 0 26 12667.0000 12528.1250 1.10% - 0s H 0 0 12666.000000 12528.1250 1.09% - 0s 0 2 12531.0000 0 26 12666.0000 12531.0000 1.07% - 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 66 nodes (562 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266600000000e+04, best bound 1.266600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 154 rows, 1128 columns and 30179 nonzeros Presolve time: 0.02s Presolved: 154 rows, 1128 columns, 30179 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 118 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12667.000000 12500.0000 1.32% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 34 12667.0000 12513.3333 1.21% - 0s 0 0 12513.3333 0 31 12667.0000 12513.3333 1.21% - 0s 0 0 12515.7143 0 36 12667.0000 12515.7143 1.19% - 0s 0 0 12516.0625 0 42 12667.0000 12516.0625 1.19% - 0s 0 0 12520.2500 0 43 12667.0000 12520.2500 1.16% - 0s 0 0 12522.7143 0 38 12667.0000 12522.7143 1.14% - 0s 0 0 12523.2500 0 46 12667.0000 12523.2500 1.13% - 0s 0 0 12523.2500 0 35 12667.0000 12523.2500 1.13% - 0s 0 0 12523.2583 0 50 12667.0000 12523.2583 1.13% - 0s 0 0 12523.3037 0 47 12667.0000 12523.3037 1.13% - 0s 0 0 12523.3101 0 48 12667.0000 12523.3101 1.13% - 0s 0 0 12528.1250 0 35 12667.0000 12528.1250 1.10% - 0s 0 0 12528.1250 0 26 12667.0000 12528.1250 1.10% - 0s 0 2 12531.0000 0 26 12667.0000 12531.0000 1.07% - 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 71 nodes (580 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266700000000e+04, best bound 1.266700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 155 rows, 1128 columns and 30479 nonzeros Presolve time: 0.02s Presolved: 155 rows, 1128 columns, 30479 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 118 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12693.000000 12500.0000 1.52% - 0s 0 0 12513.3333 0 31 12693.0000 12513.3333 1.42% - 0s 0 0 12513.3333 0 35 12693.0000 12513.3333 1.42% - 0s 0 0 12516.2857 0 32 12693.0000 12516.2857 1.39% - 0s 0 0 12516.8214 0 40 12693.0000 12516.8214 1.39% - 0s 0 0 12517.4444 0 39 12693.0000 12517.4444 1.38% - 0s 0 0 12517.5317 0 48 12693.0000 12517.5317 1.38% - 0s 0 0 12517.6987 0 46 12693.0000 12517.6987 1.38% - 0s 0 0 12517.7982 0 41 12693.0000 12517.7982 1.38% - 0s 0 0 12518.1154 0 47 12693.0000 12518.1154 1.38% - 0s 0 0 12518.1855 0 49 12693.0000 12518.1855 1.38% - 0s 0 2 12518.3523 0 49 12693.0000 12518.3523 1.38% - 0s * 33 17 32 12671.000000 12546.0000 0.99% 3.5 0s * 115 42 11 12668.000000 12581.0000 0.69% 4.2 0s Cutting planes: Gomory: 5 Zero half: 4 Mod-K: 1 Explored 212 nodes (1323 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266800000000e+04, best bound 1.266800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 156 rows, 1128 columns and 30830 nonzeros Presolve time: 0.02s Presolved: 156 rows, 1128 columns, 30830 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 34 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12693.000000 12500.0000 1.52% - 0s 0 0 12513.3333 0 31 12693.0000 12513.3333 1.42% - 0s 0 0 12513.3333 0 35 12693.0000 12513.3333 1.42% - 0s 0 0 12516.2857 0 32 12693.0000 12516.2857 1.39% - 0s 0 0 12516.8214 0 40 12693.0000 12516.8214 1.39% - 0s 0 0 12517.4444 0 39 12693.0000 12517.4444 1.38% - 0s 0 0 12517.5317 0 48 12693.0000 12517.5317 1.38% - 0s 0 0 12517.6987 0 46 12693.0000 12517.6987 1.38% - 0s 0 0 12517.7982 0 41 12693.0000 12517.7982 1.38% - 0s 0 0 12518.1154 0 47 12693.0000 12518.1154 1.38% - 0s 0 0 12518.1855 0 49 12693.0000 12518.1855 1.38% - 0s H 0 0 12671.000000 12518.1855 1.21% - 0s 0 2 12518.3523 0 49 12671.0000 12518.3523 1.20% - 0s H 81 37 12669.000000 12550.2500 0.94% 3.7 0s Cutting planes: Gomory: 5 Zero half: 4 Mod-K: 1 Explored 208 nodes (1246 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.266900000000e+04, best bound 1.266900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 157 rows, 1128 columns and 31106 nonzeros Presolve time: 0.02s Presolved: 157 rows, 1128 columns, 31106 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 105 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 35 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12693.000000 12500.0000 1.52% - 0s 0 0 12510.1667 0 28 12693.0000 12510.1667 1.44% - 0s 0 0 12510.1667 0 34 12693.0000 12510.1667 1.44% - 0s 0 0 12516.2857 0 32 12693.0000 12516.2857 1.39% - 0s 0 0 12531.2857 0 40 12693.0000 12531.2857 1.27% - 0s 0 0 12531.7024 0 48 12693.0000 12531.7024 1.27% - 0s 0 0 12532.1818 0 41 12693.0000 12532.1818 1.27% - 0s 0 0 12534.3045 0 49 12693.0000 12534.3045 1.25% - 0s 0 0 12534.5294 0 52 12693.0000 12534.5294 1.25% - 0s 0 0 12539.8182 0 41 12693.0000 12539.8182 1.21% - 0s 0 0 12539.8218 0 45 12693.0000 12539.8218 1.21% - 0s 0 0 12540.2647 0 51 12693.0000 12540.2647 1.20% - 0s 0 0 12540.3437 0 48 12693.0000 12540.3437 1.20% - 0s 0 0 12540.9268 0 51 12693.0000 12540.9268 1.20% - 0s 0 0 12541.1643 0 59 12693.0000 12541.1643 1.20% - 0s 0 0 12541.9911 0 65 12693.0000 12541.9911 1.19% - 0s 0 0 12543.1394 0 57 12693.0000 12543.1394 1.18% - 0s 0 0 12543.2360 0 57 12693.0000 12543.2360 1.18% - 0s H 0 0 12671.000000 12543.2360 1.01% - 0s 0 2 12543.3197 0 57 12671.0000 12543.3197 1.01% - 0s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 1 Explored 155 nodes (1187 simplex iterations) in 0.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.267100000000e+04, best bound 1.267100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 158 rows, 1128 columns and 31512 nonzeros Presolve time: 0.02s Presolved: 158 rows, 1128 columns, 31512 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 105 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 35 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12693.000000 12500.0000 1.52% - 0s 0 0 12510.1667 0 28 12693.0000 12510.1667 1.44% - 0s 0 0 12510.1667 0 34 12693.0000 12510.1667 1.44% - 0s 0 0 12517.0714 0 38 12693.0000 12517.0714 1.39% - 0s 0 0 12531.5976 0 41 12693.0000 12531.5976 1.27% - 0s 0 0 12531.8095 0 45 12693.0000 12531.8095 1.27% - 0s 0 0 12532.1630 0 48 12693.0000 12532.1630 1.27% - 0s 0 0 12534.1351 0 47 12693.0000 12534.1351 1.25% - 0s 0 0 12534.3419 0 53 12693.0000 12534.3419 1.25% - 0s 0 0 12534.8807 0 60 12693.0000 12534.8807 1.25% - 0s 0 0 12535.2194 0 53 12693.0000 12535.2194 1.24% - 0s 0 0 12539.5614 0 55 12693.0000 12539.5614 1.21% - 0s 0 0 12540.7463 0 59 12693.0000 12540.7463 1.20% - 0s 0 0 12541.7428 0 53 12693.0000 12541.7428 1.19% - 0s 0 0 12542.3500 0 61 12693.0000 12542.3500 1.19% - 0s 0 0 12542.8340 0 48 12693.0000 12542.8340 1.18% - 0s H 0 0 12676.000000 12542.8340 1.05% - 0s 0 2 12543.1500 0 48 12676.0000 12543.1500 1.05% - 0s * 113 20 12 12671.000000 12608.5714 0.49% 6.0 0s Cutting planes: Gomory: 4 Zero half: 15 Explored 146 nodes (1169 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.267100000000e+04, best bound 1.267100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 159 rows, 1128 columns and 31812 nonzeros Presolve time: 0.02s Presolved: 159 rows, 1128 columns, 31812 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 105 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 35 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12693.000000 12500.0000 1.52% - 0s 0 0 12510.1667 0 28 12693.0000 12510.1667 1.44% - 0s 0 0 12510.1667 0 34 12693.0000 12510.1667 1.44% - 0s 0 0 12517.0714 0 38 12693.0000 12517.0714 1.39% - 0s 0 0 12531.5976 0 41 12693.0000 12531.5976 1.27% - 0s 0 0 12531.8095 0 45 12693.0000 12531.8095 1.27% - 0s 0 0 12532.1630 0 48 12693.0000 12532.1630 1.27% - 0s 0 0 12534.1351 0 47 12693.0000 12534.1351 1.25% - 0s 0 0 12534.3419 0 53 12693.0000 12534.3419 1.25% - 0s 0 0 12534.8807 0 60 12693.0000 12534.8807 1.25% - 0s 0 0 12535.2194 0 53 12693.0000 12535.2194 1.24% - 0s 0 0 12539.5614 0 55 12693.0000 12539.5614 1.21% - 0s 0 0 12540.7463 0 59 12693.0000 12540.7463 1.20% - 0s 0 0 12541.7428 0 53 12693.0000 12541.7428 1.19% - 0s 0 0 12542.3500 0 61 12693.0000 12542.3500 1.19% - 0s 0 0 12542.8340 0 48 12693.0000 12542.8340 1.18% - 0s H 0 0 12676.000000 12542.8340 1.05% - 0s 0 2 12543.1500 0 48 12676.0000 12543.1500 1.05% - 0s * 137 12 5 12674.000000 12652.5000 0.17% 5.6 0s * 151 0 10 12671.000000 12671.0000 0.0% 5.8 0s Cutting planes: Gomory: 4 Zero half: 15 Explored 152 nodes (1196 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.267100000000e+04, best bound 1.267100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 24), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 160 rows, 1128 columns and 32043 nonzeros Presolve time: 0.02s Presolved: 160 rows, 1128 columns, 32043 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250000e+04, 105 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12500.0000 0 35 47372.0000 12500.0000 73.6% - 0s Another try with MIP start H 0 0 12693.000000 12500.0000 1.52% - 0s 0 0 12510.1667 0 28 12693.0000 12510.1667 1.44% - 0s 0 0 12510.1667 0 34 12693.0000 12510.1667 1.44% - 0s 0 0 12517.0714 0 38 12693.0000 12517.0714 1.39% - 0s 0 0 12531.6538 0 40 12693.0000 12531.6538 1.27% - 0s 0 0 12531.7946 0 45 12693.0000 12531.7946 1.27% - 0s 0 0 12532.1902 0 48 12693.0000 12532.1902 1.27% - 0s 0 0 12534.1351 0 47 12693.0000 12534.1351 1.25% - 0s 0 0 12534.5063 0 52 12693.0000 12534.5063 1.25% - 0s 0 0 12534.9525 0 54 12693.0000 12534.9525 1.25% - 0s 0 0 12539.8478 0 54 12693.0000 12539.8478 1.21% - 0s 0 0 12540.8528 0 54 12693.0000 12540.8528 1.20% - 0s 0 0 12541.1793 0 59 12693.0000 12541.1793 1.20% - 0s 0 0 12541.5271 0 60 12693.0000 12541.5271 1.19% - 0s 0 0 12541.8552 0 59 12693.0000 12541.8552 1.19% - 0s 0 0 12542.5867 0 61 12693.0000 12542.5867 1.19% - 0s 0 0 12543.2778 0 61 12693.0000 12543.2778 1.18% - 0s 0 0 12543.4064 0 54 12693.0000 12543.4064 1.18% - 0s 0 0 12543.4750 0 62 12693.0000 12543.4750 1.18% - 0s H 0 0 12686.000000 12543.4750 1.12% - 0s 0 2 12543.4758 0 62 12686.0000 12543.4758 1.12% - 0s * 63 21 11 12680.000000 12571.0000 0.86% 5.7 0s * 105 18 17 12676.000000 12597.5000 0.62% 5.7 0s * 166 3 3 12674.000000 12668.0000 0.05% 5.5 0s Cutting planes: Gomory: 3 Zero half: 13 Explored 172 nodes (1239 simplex iterations) in 0.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.267400000000e+04, best bound 1.267400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 161 rows, 1128 columns and 32343 nonzeros Presolve time: 0.02s Presolved: 161 rows, 1128 columns, 32343 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12714.000000 12502.0000 1.67% - 0s 0 0 12516.8000 0 30 12714.0000 12516.8000 1.55% - 0s 0 0 12516.8000 0 22 12714.0000 12516.8000 1.55% - 0s 0 0 12516.8000 0 30 12714.0000 12516.8000 1.55% - 0s 0 0 12517.0357 0 40 12714.0000 12517.0357 1.55% - 0s H 0 0 12693.000000 12517.0357 1.39% - 0s 0 0 12519.5000 0 35 12693.0000 12519.5000 1.37% - 0s 0 0 12519.7083 0 43 12693.0000 12519.7083 1.37% - 0s 0 0 12519.8516 0 43 12693.0000 12519.8516 1.36% - 0s 0 0 12519.9149 0 46 12693.0000 12519.9149 1.36% - 0s 0 0 12520.6452 0 41 12693.0000 12520.6452 1.36% - 0s 0 0 12521.1923 0 50 12693.0000 12521.1923 1.35% - 0s 0 0 12521.8959 0 55 12693.0000 12521.8959 1.35% - 0s 0 0 12524.2500 0 33 12693.0000 12524.2500 1.33% - 0s 0 0 12524.5000 0 41 12693.0000 12524.5000 1.33% - 0s 0 0 12524.9500 0 38 12693.0000 12524.9500 1.32% - 0s 0 0 12525.0690 0 52 12693.0000 12525.0690 1.32% - 0s 0 0 12525.1690 0 58 12693.0000 12525.1690 1.32% - 0s 0 2 12525.6200 0 58 12693.0000 12525.6200 1.32% - 0s * 76 30 20 12691.000000 12596.1667 0.75% 5.4 0s * 90 24 15 12680.000000 12608.0000 0.57% 5.5 0s * 92 22 14 12676.000000 12608.0000 0.54% 5.6 0s Cutting planes: Gomory: 1 Zero half: 7 Mod-K: 1 Explored 135 nodes (968 simplex iterations) in 0.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.267600000000e+04, best bound 1.267600000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 162 rows, 1128 columns and 32619 nonzeros Presolve time: 0.02s Presolved: 162 rows, 1128 columns, 32619 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12787.000000 12502.0000 2.23% - 0s 0 0 12516.8000 0 30 12787.0000 12516.8000 2.11% - 0s 0 0 12516.8000 0 22 12787.0000 12516.8000 2.11% - 0s 0 0 12516.8000 0 30 12787.0000 12516.8000 2.11% - 0s 0 0 12517.2143 0 40 12787.0000 12517.2143 2.11% - 0s H 0 0 12719.000000 12517.2143 1.59% - 0s 0 0 12518.8571 0 35 12719.0000 12518.8571 1.57% - 0s 0 2 12531.0000 0 35 12719.0000 12531.0000 1.48% - 0s H 1 2 12693.000000 12531.0000 1.28% 0.0 0s * 93 13 24 12676.000000 12590.9375 0.67% 7.7 0s Cutting planes: Gomory: 12 Zero half: 17 Explored 158 nodes (1241 simplex iterations) in 0.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.267600000000e+04, best bound 1.267600000000e+04, gap 0.0% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (12, 24), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 163 rows, 1128 columns and 32829 nonzeros Presolve time: 0.02s Presolved: 163 rows, 1128 columns, 32829 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.2000 0 38 47372.0000 12517.2000 73.6% - 0s 0 0 12517.9000 0 41 47372.0000 12517.9000 73.6% - 0s 0 0 12519.5000 0 35 47372.0000 12519.5000 73.6% - 0s 0 0 12519.8333 0 43 47372.0000 12519.8333 73.6% - 0s 0 0 12522.3846 0 42 47372.0000 12522.3846 73.6% - 0s 0 0 12522.5223 0 48 47372.0000 12522.5223 73.6% - 0s 0 0 12522.5532 0 49 47372.0000 12522.5532 73.6% - 0s 0 0 12522.5769 0 50 47372.0000 12522.5769 73.6% - 0s H 0 0 14996.000000 12522.5769 16.5% - 0s H 0 0 12846.000000 12522.5769 2.52% - 0s H 0 0 12693.000000 12522.5769 1.34% - 0s 0 0 12522.7038 0 56 12693.0000 12522.7038 1.34% - 0s 0 0 12522.7038 0 22 12693.0000 12522.7038 1.34% - 0s 0 0 12522.7038 0 50 12693.0000 12522.7038 1.34% - 0s 0 0 12522.7038 0 56 12693.0000 12522.7038 1.34% - 0s 0 0 12522.7186 0 57 12693.0000 12522.7186 1.34% - 0s 0 0 12524.1774 0 43 12693.0000 12524.1774 1.33% - 0s 0 0 12524.2500 0 33 12693.0000 12524.2500 1.33% - 0s 0 0 12524.7175 0 54 12693.0000 12524.7175 1.33% - 0s 0 0 12526.1250 0 46 12693.0000 12526.1250 1.31% - 0s 0 0 12526.2444 0 55 12693.0000 12526.2444 1.31% - 0s 0 0 12526.5248 0 61 12693.0000 12526.5248 1.31% - 0s 0 0 12526.7361 0 63 12693.0000 12526.7361 1.31% - 0s 0 0 12526.7624 0 66 12693.0000 12526.7624 1.31% - 0s 0 0 12527.8207 0 63 12693.0000 12527.8207 1.30% - 0s 0 0 12528.4308 0 62 12693.0000 12528.4308 1.30% - 0s 0 0 12528.7171 0 60 12693.0000 12528.7171 1.29% - 0s 0 0 12529.0036 0 65 12693.0000 12529.0036 1.29% - 0s 0 0 12529.2828 0 62 12693.0000 12529.2828 1.29% - 0s 0 0 12529.3571 0 72 12693.0000 12529.3571 1.29% - 0s 0 0 12529.4441 0 67 12693.0000 12529.4441 1.29% - 0s 0 0 12530.0377 0 66 12693.0000 12530.0377 1.28% - 0s 0 0 12530.0607 0 67 12693.0000 12530.0607 1.28% - 0s 0 2 12530.5299 0 67 12693.0000 12530.5299 1.28% - 0s * 31 10 9 12680.000000 12561.9249 0.93% 6.9 0s * 89 14 9 12676.000000 12603.4091 0.57% 6.0 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 5 Explored 121 nodes (1141 simplex iterations) in 0.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.267600000000e+04, best bound 1.267600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 164 rows, 1128 columns and 33105 nonzeros Presolve time: 0.02s Presolved: 164 rows, 1128 columns, 33105 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12780.000000 12502.0000 2.18% - 0s 0 0 12516.8000 0 30 12780.0000 12516.8000 2.06% - 0s 0 0 12516.8000 0 22 12780.0000 12516.8000 2.06% - 0s H 0 0 12693.000000 12516.8000 1.39% - 0s 0 0 12516.8000 0 30 12693.0000 12516.8000 1.39% - 0s 0 2 12531.5000 0 30 12693.0000 12531.5000 1.27% - 0s H 18 13 12692.000000 12550.7963 1.11% 0.0 0s H 18 12 12686.000000 12550.7963 1.07% 0.0 0s * 38 12 27 12677.000000 12573.8000 0.81% 13.4 0s Cutting planes: Gomory: 14 MIR: 1 Zero half: 6 Explored 132 nodes (1182 simplex iterations) in 0.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.267700000000e+04, best bound 1.267700000000e+04, gap 0.0% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 165 rows, 1128 columns and 33295 nonzeros Presolve time: 0.02s Presolved: 165 rows, 1128 columns, 33295 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.2000 0 38 47372.0000 12517.2000 73.6% - 0s 0 0 12517.9000 0 41 47372.0000 12517.9000 73.6% - 0s 0 0 12519.5000 0 35 47372.0000 12519.5000 73.6% - 0s 0 0 12519.6667 0 43 47372.0000 12519.6667 73.6% - 0s 0 0 12521.2105 0 41 47372.0000 12521.2105 73.6% - 0s 0 0 12521.3684 0 49 47372.0000 12521.3684 73.6% - 0s 0 0 12521.3878 0 56 47372.0000 12521.3878 73.6% - 0s 0 0 12522.1091 0 50 47372.0000 12522.1091 73.6% - 0s H 0 0 13467.000000 12522.1091 7.02% - 0s H 0 0 12718.000000 12522.1091 1.54% - 0s H 0 0 12693.000000 12522.1091 1.35% - 0s 0 0 12522.7284 0 43 12693.0000 12522.7284 1.34% - 0s 0 0 12522.7284 0 22 12693.0000 12522.7284 1.34% - 0s 0 0 12522.7284 0 36 12693.0000 12522.7284 1.34% - 0s 0 0 12522.7554 0 51 12693.0000 12522.7554 1.34% - 0s 0 0 12524.2500 0 33 12693.0000 12524.2500 1.33% - 0s 0 0 12525.9375 0 43 12693.0000 12525.9375 1.32% - 0s 0 0 12526.0091 0 52 12693.0000 12526.0091 1.32% - 0s 0 0 12526.3636 0 44 12693.0000 12526.3636 1.31% - 0s 0 0 12531.0000 0 46 12693.0000 12531.0000 1.28% - 0s 0 0 12531.1875 0 52 12693.0000 12531.1875 1.27% - 0s 0 0 12531.7879 0 56 12693.0000 12531.7879 1.27% - 0s 0 0 12531.8636 0 64 12693.0000 12531.8636 1.27% - 0s 0 0 12531.9091 0 57 12693.0000 12531.9091 1.27% - 0s 0 0 12531.9848 0 65 12693.0000 12531.9848 1.27% - 0s 0 2 12532.2500 0 65 12693.0000 12532.2500 1.27% - 0s * 15 9 12 12686.000000 12557.9355 1.01% 8.4 0s * 51 11 11 12680.000000 12574.8571 0.83% 6.9 0s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 6 Explored 134 nodes (1104 simplex iterations) in 0.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.268000000000e+04, best bound 1.268000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 166 rows, 1128 columns and 33620 nonzeros Presolve time: 0.02s Presolved: 166 rows, 1128 columns, 33620 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 109 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12787.000000 12502.0000 2.23% - 0s 0 0 12516.8000 0 30 12787.0000 12516.8000 2.11% - 0s 0 0 12516.8000 0 22 12787.0000 12516.8000 2.11% - 0s 0 0 12516.8000 0 30 12787.0000 12516.8000 2.11% - 0s 0 0 12517.2143 0 40 12787.0000 12517.2143 2.11% - 0s 0 0 12518.8571 0 35 12787.0000 12518.8571 2.10% - 0s 0 0 12519.3929 0 43 12787.0000 12519.3929 2.09% - 0s H 0 0 12719.000000 12519.3929 1.57% - 0s 0 0 12520.1667 0 33 12719.0000 12520.1667 1.56% - 0s 0 2 12534.2692 0 33 12719.0000 12534.2692 1.45% - 0s H 1 2 12693.000000 12534.2692 1.25% 0.0 0s H 18 13 12686.000000 12549.1725 1.08% 0.0 0s H 18 12 12680.000000 12549.1725 1.03% 0.0 0s Cutting planes: Gomory: 9 MIR: 1 Zero half: 14 Explored 204 nodes (1537 simplex iterations) in 0.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.268000000000e+04, best bound 1.267900000000e+04, gap 0.0079% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 167 rows, 1128 columns and 33851 nonzeros Presolve time: 0.02s Presolved: 167 rows, 1128 columns, 33851 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 132 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12784.000000 12502.0000 2.21% - 0s 0 0 12502.3333 0 30 12784.0000 12502.3333 2.20% - 0s 0 0 12502.3333 0 22 12784.0000 12502.3333 2.20% - 0s 0 0 12502.4167 0 30 12784.0000 12502.4167 2.20% - 0s 0 0 12516.8000 0 30 12784.0000 12516.8000 2.09% - 0s H 0 0 12775.000000 12516.8000 2.02% - 0s 0 0 12517.3000 0 38 12775.0000 12517.3000 2.02% - 0s 0 0 12518.0357 0 43 12775.0000 12518.0357 2.01% - 0s 0 0 12519.4286 0 33 12775.0000 12519.4286 2.00% - 0s 0 0 12519.9541 0 51 12775.0000 12519.9541 2.00% - 0s 0 0 12520.5833 0 41 12775.0000 12520.5833 1.99% - 0s 0 0 12521.2222 0 45 12775.0000 12521.2222 1.99% - 0s 0 0 12522.4821 0 45 12775.0000 12522.4821 1.98% - 0s H 0 0 12768.000000 12522.4821 1.92% - 0s 0 0 12522.6607 0 53 12768.0000 12522.6607 1.92% - 0s 0 0 12524.2500 0 33 12768.0000 12524.2500 1.91% - 0s 0 0 12526.3380 0 51 12768.0000 12526.3380 1.89% - 0s 0 0 12526.3505 0 59 12768.0000 12526.3505 1.89% - 0s 0 0 12526.4395 0 60 12768.0000 12526.4395 1.89% - 0s 0 0 12527.0401 0 51 12768.0000 12527.0401 1.89% - 0s 0 0 12527.0556 0 59 12768.0000 12527.0556 1.89% - 0s 0 0 12527.0600 0 63 12768.0000 12527.0600 1.89% - 0s 0 0 12527.7741 0 53 12768.0000 12527.7741 1.88% - 0s H 0 0 12693.000000 12527.7741 1.30% - 0s 0 0 12527.8745 0 61 12693.0000 12527.8745 1.30% - 0s 0 2 12537.5094 0 61 12693.0000 12537.5094 1.23% - 0s * 57 14 22 12687.000000 12566.8100 0.95% 12.2 0s * 161 22 25 12686.000000 12622.0000 0.50% 7.4 1s Cutting planes: Gomory: 11 Zero half: 14 Mod-K: 2 Explored 201 nodes (1685 simplex iterations) in 1.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.268600000000e+04, best bound 1.268600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 168 rows, 1128 columns and 34151 nonzeros Presolve time: 0.02s Presolved: 168 rows, 1128 columns, 34151 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12790.000000 12502.0000 2.25% - 0s 0 0 12516.8000 0 30 12790.0000 12516.8000 2.14% - 0s 0 0 12516.8000 0 22 12790.0000 12516.8000 2.14% - 0s 0 0 12516.8000 0 30 12790.0000 12516.8000 2.14% - 0s 0 0 12517.0357 0 40 12790.0000 12517.0357 2.13% - 0s 0 0 12519.5000 0 35 12790.0000 12519.5000 2.11% - 0s H 0 0 12693.000000 12519.5000 1.37% - 0s 0 0 12519.6852 0 43 12693.0000 12519.6852 1.37% - 0s 0 2 12534.1111 0 43 12693.0000 12534.1111 1.25% - 0s * 49 10 24 12687.000000 12591.9250 0.75% 11.3 0s Cutting planes: Gomory: 6 Zero half: 12 Explored 156 nodes (1215 simplex iterations) in 0.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.268700000000e+04, best bound 1.268700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 169 rows, 1128 columns and 34476 nonzeros Presolve time: 0.02s Presolved: 169 rows, 1128 columns, 34476 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.1429 0 40 47372.0000 12517.1429 73.6% - 0s 0 0 12519.1667 0 33 47372.0000 12519.1667 73.6% - 0s 0 0 12519.5000 0 41 47372.0000 12519.5000 73.6% - 0s 0 0 12520.0000 0 42 47372.0000 12520.0000 73.6% - 0s 0 0 12520.9020 0 55 47372.0000 12520.9020 73.6% - 0s 0 0 12521.8295 0 52 47372.0000 12521.8295 73.6% - 0s 0 0 12523.7143 0 41 47372.0000 12523.7143 73.6% - 0s 0 0 12523.8286 0 49 47372.0000 12523.8286 73.6% - 0s H 0 0 14351.000000 12523.8286 12.7% - 0s 0 0 12523.8514 0 54 14351.0000 12523.8514 12.7% - 0s H 0 0 13818.000000 12523.8514 9.37% - 0s H 0 0 13112.000000 12523.8514 4.49% - 0s H 0 0 12693.000000 12523.8514 1.33% - 0s 0 0 12524.0063 0 56 12693.0000 12524.0063 1.33% - 0s 0 0 12524.0063 0 22 12693.0000 12524.0063 1.33% - 0s 0 0 12524.0063 0 35 12693.0000 12524.0063 1.33% - 0s 0 0 12524.1512 0 51 12693.0000 12524.1512 1.33% - 0s 0 0 12524.1519 0 56 12693.0000 12524.1519 1.33% - 0s 0 0 12524.3140 0 64 12693.0000 12524.3140 1.33% - 0s 0 0 12524.6107 0 59 12693.0000 12524.6107 1.33% - 0s 0 0 12525.8750 0 37 12693.0000 12525.8750 1.32% - 0s 0 0 12528.0221 0 62 12693.0000 12528.0221 1.30% - 0s 0 0 12528.0745 0 65 12693.0000 12528.0745 1.30% - 0s 0 0 12528.1126 0 66 12693.0000 12528.1126 1.30% - 0s 0 2 12528.4320 0 66 12693.0000 12528.4320 1.30% - 0s * 44 14 13 12690.000000 12571.5000 0.93% 7.4 0s * 122 17 13 12688.000000 12649.5714 0.30% 6.5 0s * 123 16 13 12687.000000 12649.5714 0.30% 6.5 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 3 Explored 156 nodes (1267 simplex iterations) in 0.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.268700000000e+04, best bound 1.268600000000e+04, gap 0.0079% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 170 rows, 1128 columns and 34707 nonzeros Presolve time: 0.02s Presolved: 170 rows, 1128 columns, 34707 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12791.000000 12502.0000 2.26% - 0s 0 0 12516.8000 0 30 12791.0000 12516.8000 2.14% - 0s 0 0 12516.8000 0 22 12791.0000 12516.8000 2.14% - 0s 0 0 12516.8000 0 30 12791.0000 12516.8000 2.14% - 0s 0 0 12517.0357 0 40 12791.0000 12517.0357 2.14% - 0s 0 0 12519.5000 0 35 12791.0000 12519.5000 2.12% - 0s H 0 0 12719.000000 12519.5000 1.57% - 0s 0 0 12519.9167 0 43 12719.0000 12519.9167 1.57% - 0s 0 2 12534.2692 0 43 12719.0000 12534.2692 1.45% - 0s H 1 2 12693.000000 12534.2692 1.25% 0.0 0s * 69 11 23 12692.000000 12593.8636 0.77% 9.4 0s * 162 22 33 12691.000000 12626.0000 0.51% 6.6 0s * 188 14 27 12688.000000 12657.0000 0.24% 6.4 0s Cutting planes: Gomory: 8 Zero half: 15 Explored 211 nodes (1530 simplex iterations) in 0.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.268800000000e+04, best bound 1.268800000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 171 rows, 1128 columns and 34960 nonzeros Presolve time: 0.02s Presolved: 171 rows, 1128 columns, 34960 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12780.000000 12502.0000 2.18% - 0s 0 0 12516.8000 0 30 12780.0000 12516.8000 2.06% - 0s 0 0 12516.8000 0 22 12780.0000 12516.8000 2.06% - 0s 0 0 12516.8000 0 30 12780.0000 12516.8000 2.06% - 0s 0 0 12517.0357 0 40 12780.0000 12517.0357 2.06% - 0s 0 0 12519.5000 0 35 12780.0000 12519.5000 2.04% - 0s 0 0 12519.9167 0 43 12780.0000 12519.9167 2.04% - 0s 0 0 12520.0417 0 46 12780.0000 12520.0417 2.03% - 0s 0 0 12521.4079 0 49 12780.0000 12521.4079 2.02% - 0s 0 0 12521.9464 0 42 12780.0000 12521.9464 2.02% - 0s 0 0 12522.0450 0 54 12780.0000 12522.0450 2.02% - 0s 0 0 12522.7916 0 51 12780.0000 12522.7916 2.01% - 0s 0 0 12523.1526 0 54 12780.0000 12523.1526 2.01% - 0s 0 0 12523.4756 0 60 12780.0000 12523.4756 2.01% - 0s 0 0 12523.6226 0 60 12780.0000 12523.6226 2.01% - 0s 0 0 12524.2500 0 33 12780.0000 12524.2500 2.00% - 0s 0 0 12524.3462 0 41 12780.0000 12524.3462 2.00% - 0s 0 0 12524.7273 0 43 12780.0000 12524.7273 2.00% - 0s 0 0 12524.8232 0 57 12780.0000 12524.8232 2.00% - 0s 0 0 12524.8743 0 64 12780.0000 12524.8743 2.00% - 0s 0 0 12525.5819 0 60 12780.0000 12525.5819 1.99% - 0s 0 0 12525.6812 0 61 12780.0000 12525.6812 1.99% - 0s 0 0 12525.9295 0 57 12780.0000 12525.9295 1.99% - 0s 0 0 12526.1127 0 59 12780.0000 12526.1127 1.99% - 0s 0 0 12526.2500 0 36 12780.0000 12526.2500 1.99% - 0s 0 0 12529.2055 0 62 12780.0000 12529.2055 1.96% - 0s 0 0 12530.4766 0 62 12780.0000 12530.4766 1.95% - 0s 0 0 12530.7368 0 65 12780.0000 12530.7368 1.95% - 0s 0 0 12531.0011 0 71 12780.0000 12531.0011 1.95% - 0s 0 0 12531.9164 0 64 12780.0000 12531.9164 1.94% - 0s 0 0 12532.2872 0 65 12780.0000 12532.2872 1.94% - 0s 0 0 12532.5629 0 64 12780.0000 12532.5629 1.94% - 0s 0 0 12533.2500 0 35 12780.0000 12533.2500 1.93% - 0s 0 0 12533.5509 0 57 12780.0000 12533.5509 1.93% - 0s 0 0 12533.6861 0 63 12780.0000 12533.6861 1.93% - 0s 0 0 12534.2418 0 63 12780.0000 12534.2418 1.92% - 0s 0 0 12534.2839 0 67 12780.0000 12534.2839 1.92% - 0s 0 0 12534.3023 0 68 12780.0000 12534.3023 1.92% - 0s H 0 0 12693.000000 12534.3023 1.25% - 0s 0 2 12536.6935 0 55 12693.0000 12536.6935 1.23% - 0s * 41 19 10 12692.000000 12576.5000 0.91% 7.2 0s * 144 21 17 12690.000000 12627.0000 0.50% 5.4 0s Cutting planes: Gomory: 1 Zero half: 13 Mod-K: 3 Explored 187 nodes (1448 simplex iterations) in 0.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269000000000e+04, best bound 1.268900000000e+04, gap 0.0079% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46), (38, 40)] Optimize a model with 172 rows, 1128 columns and 35213 nonzeros Presolve time: 0.02s Presolved: 172 rows, 1128 columns, 35213 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12525.6000 0 32 47372.0000 12525.6000 73.6% - 0s 0 0 12536.2222 0 44 47372.0000 12536.2222 73.5% - 0s 0 0 12536.9394 0 47 47372.0000 12536.9394 73.5% - 0s 0 0 12537.5000 0 40 47372.0000 12537.5000 73.5% - 0s 0 0 12537.5556 0 55 47372.0000 12537.5556 73.5% - 0s 0 0 12537.9500 0 44 47372.0000 12537.9500 73.5% - 0s H 0 0 14248.000000 12537.9500 12.0% - 0s H 0 0 13195.000000 12537.9500 4.98% - 0s H 0 0 12747.000000 12537.9500 1.64% - 0s 0 0 12538.0750 0 52 12747.0000 12538.0750 1.64% - 0s 0 0 12538.0750 0 22 12747.0000 12538.0750 1.64% - 0s 0 0 12538.0750 0 40 12747.0000 12538.0750 1.64% - 0s 0 0 12538.0750 0 52 12747.0000 12538.0750 1.64% - 0s H 0 0 12693.000000 12538.0750 1.22% - 0s 0 0 12538.6406 0 45 12693.0000 12538.6406 1.22% - 0s 0 0 12539.2097 0 57 12693.0000 12539.2097 1.21% - 0s 0 0 12541.1964 0 52 12693.0000 12541.1964 1.20% - 0s 0 0 12541.3229 0 53 12693.0000 12541.3229 1.19% - 0s 0 2 12542.4375 0 53 12693.0000 12542.4375 1.19% - 0s * 91 25 11 12690.000000 12600.8750 0.70% 5.6 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 156 nodes (1252 simplex iterations) in 0.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269000000000e+04, best bound 1.269000000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 173 rows, 1128 columns and 35466 nonzeros Presolve time: 0.02s Presolved: 173 rows, 1128 columns, 35466 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12794.000000 12502.0000 2.28% - 0s 0 0 12516.8000 0 30 12794.0000 12516.8000 2.17% - 0s 0 0 12516.8000 0 22 12794.0000 12516.8000 2.17% - 0s 0 0 12516.8000 0 30 12794.0000 12516.8000 2.17% - 0s 0 0 12527.4000 0 32 12794.0000 12527.4000 2.08% - 0s H 0 0 12693.000000 12527.4000 1.30% - 0s 0 0 12527.9000 0 40 12693.0000 12527.9000 1.30% - 0s 0 2 12538.0000 0 40 12693.0000 12538.0000 1.22% - 0s * 58 16 24 12692.000000 12565.2600 1.00% 9.8 0s Cutting planes: Gomory: 5 MIR: 1 Zero half: 14 Explored 225 nodes (1635 simplex iterations) in 0.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269200000000e+04, best bound 1.269100000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 174 rows, 1128 columns and 35719 nonzeros Presolve time: 0.02s Presolved: 174 rows, 1128 columns, 35719 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12525.6000 0 32 47372.0000 12525.6000 73.6% - 0s 0 0 12536.2222 0 44 47372.0000 12536.2222 73.5% - 0s 0 0 12536.9394 0 47 47372.0000 12536.9394 73.5% - 0s 0 0 12537.5000 0 40 47372.0000 12537.5000 73.5% - 0s 0 0 12537.5556 0 55 47372.0000 12537.5556 73.5% - 0s 0 0 12537.9500 0 44 47372.0000 12537.9500 73.5% - 0s H 0 0 15810.000000 12537.9500 20.7% - 0s H 0 0 13195.000000 12537.9500 4.98% - 0s H 0 0 12747.000000 12537.9500 1.64% - 0s 0 0 12538.0750 0 52 12747.0000 12538.0750 1.64% - 0s 0 0 12538.0750 0 22 12747.0000 12538.0750 1.64% - 0s 0 0 12538.0750 0 40 12747.0000 12538.0750 1.64% - 0s H 0 0 12693.000000 12538.0750 1.22% - 0s 0 0 12538.0750 0 52 12693.0000 12538.0750 1.22% - 0s 0 0 12538.6406 0 45 12693.0000 12538.6406 1.22% - 0s 0 0 12539.2097 0 57 12693.0000 12539.2097 1.21% - 0s 0 0 12540.7404 0 53 12693.0000 12540.7404 1.20% - 0s 0 0 12541.1579 0 50 12693.0000 12541.1579 1.20% - 0s 0 0 12541.2032 0 58 12693.0000 12541.2032 1.20% - 0s 0 0 12541.2771 0 61 12693.0000 12541.2771 1.20% - 0s 0 2 12541.5961 0 61 12693.0000 12541.5961 1.19% - 0s * 102 26 7 12692.000000 12603.0000 0.70% 5.6 0s * 116 25 12 12691.000000 12610.3438 0.64% 5.7 0s Cutting planes: Gomory: 3 Zero half: 13 Explored 232 nodes (1611 simplex iterations) in 0.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269100000000e+04, best bound 1.269000000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 175 rows, 1128 columns and 35995 nonzeros Presolve time: 0.02s Presolved: 175 rows, 1128 columns, 35995 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12795.000000 12502.0000 2.29% - 0s 0 0 12516.8000 0 30 12795.0000 12516.8000 2.17% - 0s 0 0 12516.8000 0 22 12795.0000 12516.8000 2.17% - 0s 0 0 12516.8000 0 30 12795.0000 12516.8000 2.17% - 0s 0 0 12525.6000 0 32 12795.0000 12525.6000 2.11% - 0s 0 0 12534.1406 0 46 12795.0000 12534.1406 2.04% - 0s 0 0 12535.9400 0 50 12795.0000 12535.9400 2.02% - 0s 0 0 12536.3414 0 50 12795.0000 12536.3414 2.02% - 0s 0 0 12536.5690 0 57 12795.0000 12536.5690 2.02% - 0s 0 0 12537.0000 0 36 12795.0000 12537.0000 2.02% - 0s 0 0 12537.1667 0 40 12795.0000 12537.1667 2.02% - 0s 0 0 12537.1875 0 48 12795.0000 12537.1875 2.01% - 0s H 0 0 12693.000000 12537.1875 1.23% - 0s 0 2 12537.7500 0 48 12693.0000 12537.7500 1.22% - 0s * 115 12 12 12692.000000 12631.4412 0.48% 4.9 0s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 1 Explored 145 nodes (1023 simplex iterations) in 0.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269200000000e+04, best bound 1.269200000000e+04, gap 0.0% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 176 rows, 1128 columns and 36205 nonzeros Presolve time: 0.02s Presolved: 176 rows, 1128 columns, 36205 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12784.000000 12502.0000 2.21% - 0s 0 0 12502.3333 0 30 12784.0000 12502.3333 2.20% - 0s 0 0 12502.3333 0 22 12784.0000 12502.3333 2.20% - 0s H 0 0 12718.000000 12502.3333 1.70% - 0s 0 0 12516.8000 0 30 12718.0000 12516.8000 1.58% - 0s 0 0 12525.6000 0 32 12718.0000 12525.6000 1.51% - 0s 0 2 12538.0000 0 32 12718.0000 12538.0000 1.42% - 0s H 1 2 12693.000000 12538.0000 1.22% 2.0 0s Cutting planes: Gomory: 9 Zero half: 5 Explored 199 nodes (1334 simplex iterations) in 0.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269300000000e+04, best bound 1.269300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 177 rows, 1128 columns and 36505 nonzeros Presolve time: 0.02s Presolved: 177 rows, 1128 columns, 36505 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12525.6000 0 32 47372.0000 12525.6000 73.6% - 0s 0 0 12536.2222 0 44 47372.0000 12536.2222 73.5% - 0s 0 0 12536.2222 0 43 47372.0000 12536.2222 73.5% - 0s 0 0 12536.8000 0 46 47372.0000 12536.8000 73.5% - 0s 0 0 12537.2333 0 54 47372.0000 12537.2333 73.5% - 0s 0 0 12538.0000 0 37 47372.0000 12538.0000 73.5% - 0s 0 0 12538.2143 0 45 47372.0000 12538.2143 73.5% - 0s 0 0 12538.2985 0 52 47372.0000 12538.2985 73.5% - 0s 0 0 12538.7076 0 47 47372.0000 12538.7076 73.5% - 0s H 0 0 14882.000000 12538.7076 15.7% - 0s H 0 0 12967.000000 12538.7076 3.30% - 0s H 0 0 12747.000000 12538.7076 1.63% - 0s 0 0 12538.8339 0 55 12747.0000 12538.8339 1.63% - 0s 0 0 12538.8339 0 22 12747.0000 12538.8339 1.63% - 0s H 0 0 12725.000000 12538.8339 1.46% - 0s H 0 0 12718.000000 12538.8339 1.41% - 0s 0 0 12538.8339 0 50 12718.0000 12538.8339 1.41% - 0s 0 0 12539.0180 0 53 12718.0000 12539.0180 1.41% - 0s 0 0 12540.5455 0 48 12718.0000 12540.5455 1.40% - 0s 0 0 12540.5948 0 58 12718.0000 12540.5948 1.39% - 0s 0 0 12540.5997 0 59 12718.0000 12540.5997 1.39% - 0s H 0 0 12693.000000 12540.5997 1.20% - 0s 0 2 12540.6843 0 59 12693.0000 12540.6843 1.20% - 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 135 nodes (1166 simplex iterations) in 0.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269300000000e+04, best bound 1.269300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 178 rows, 1128 columns and 36856 nonzeros Presolve time: 0.02s Presolved: 178 rows, 1128 columns, 36856 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12525.6000 0 32 47372.0000 12525.6000 73.6% - 0s 0 0 12536.2222 0 44 47372.0000 12536.2222 73.5% - 0s 0 0 12536.4444 0 51 47372.0000 12536.4444 73.5% - 0s 0 0 12538.0000 0 37 47372.0000 12538.0000 73.5% - 0s 0 0 12538.1176 0 40 47372.0000 12538.1176 73.5% - 0s 0 0 12538.2143 0 45 47372.0000 12538.2143 73.5% - 0s 0 0 12538.3237 0 48 47372.0000 12538.3237 73.5% - 0s 0 0 12538.8545 0 46 47372.0000 12538.8545 73.5% - 0s 0 0 12539.0672 0 57 47372.0000 12539.0672 73.5% - 0s 0 0 12540.9048 0 58 47372.0000 12540.9048 73.5% - 0s H 0 0 12751.000000 12540.9048 1.65% - 0s H 0 0 12722.000000 12540.9048 1.42% - 0s 0 0 12541.4000 0 35 12722.0000 12541.4000 1.42% - 0s 0 0 12541.4000 0 22 12722.0000 12541.4000 1.42% - 0s H 0 0 12718.000000 12541.4000 1.39% - 0s 0 0 12541.4000 0 33 12718.0000 12541.4000 1.39% - 0s 0 0 12541.8824 0 41 12718.0000 12541.8824 1.38% - 0s 0 0 12543.0000 0 41 12718.0000 12543.0000 1.38% - 0s 0 0 12543.0115 0 50 12718.0000 12543.0115 1.38% - 0s 0 0 12543.0431 0 59 12718.0000 12543.0431 1.38% - 0s H 0 0 12716.000000 12543.0431 1.36% - 0s H 0 0 12714.000000 12543.0431 1.34% - 0s 0 2 12543.5000 0 59 12714.0000 12543.5000 1.34% - 0s * 61 23 11 12695.000000 12577.6364 0.92% 5.8 0s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 1 Explored 201 nodes (1361 simplex iterations) in 0.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269500000000e+04, best bound 1.269400000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 179 rows, 1128 columns and 37156 nonzeros Presolve time: 0.02s Presolved: 179 rows, 1128 columns, 37156 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12525.6000 0 32 47372.0000 12525.6000 73.6% - 0s 0 0 12536.2222 0 44 47372.0000 12536.2222 73.5% - 0s 0 0 12536.4444 0 51 47372.0000 12536.4444 73.5% - 0s 0 0 12538.0000 0 37 47372.0000 12538.0000 73.5% - 0s 0 0 12538.1176 0 40 47372.0000 12538.1176 73.5% - 0s 0 0 12538.2143 0 45 47372.0000 12538.2143 73.5% - 0s 0 0 12538.3237 0 48 47372.0000 12538.3237 73.5% - 0s 0 0 12538.8545 0 46 47372.0000 12538.8545 73.5% - 0s 0 0 12539.0672 0 57 47372.0000 12539.0672 73.5% - 0s 0 0 12540.9048 0 58 47372.0000 12540.9048 73.5% - 0s H 0 0 12751.000000 12540.9048 1.65% - 0s H 0 0 12722.000000 12540.9048 1.42% - 0s 0 0 12541.4000 0 35 12722.0000 12541.4000 1.42% - 0s 0 0 12541.4000 0 22 12722.0000 12541.4000 1.42% - 0s 0 0 12541.4000 0 33 12722.0000 12541.4000 1.42% - 0s 0 0 12541.8824 0 41 12722.0000 12541.8824 1.42% - 0s 0 0 12543.0000 0 41 12722.0000 12543.0000 1.41% - 0s 0 0 12543.0233 0 51 12722.0000 12543.0233 1.41% - 0s 0 0 12543.0675 0 59 12722.0000 12543.0675 1.41% - 0s H 0 0 12719.000000 12543.0675 1.38% - 0s H 0 0 12714.000000 12543.0675 1.34% - 0s 0 2 12543.5000 0 59 12714.0000 12543.5000 1.34% - 0s * 33 13 30 12699.000000 12562.0000 1.08% 4.6 0s * 78 26 12 12698.000000 12591.5000 0.84% 4.8 0s * 155 24 4 12697.000000 12620.7500 0.60% 5.5 0s Cutting planes: Gomory: 3 Zero half: 6 Mod-K: 1 Explored 242 nodes (1604 simplex iterations) in 0.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269700000000e+04, best bound 1.269700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 180 rows, 1128 columns and 37481 nonzeros Presolve time: 0.02s Presolved: 180 rows, 1128 columns, 37481 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12719.000000 12502.0000 1.71% - 0s 0 0 12502.3333 0 30 12719.0000 12502.3333 1.70% - 0s 0 0 12502.3333 0 22 12719.0000 12502.3333 1.70% - 0s 0 0 12516.8000 0 30 12719.0000 12516.8000 1.59% - 0s 0 0 12525.6000 0 32 12719.0000 12525.6000 1.52% - 0s 0 0 12534.1406 0 46 12719.0000 12534.1406 1.45% - 0s 0 0 12535.9400 0 50 12719.0000 12535.9400 1.44% - 0s 0 0 12536.3685 0 57 12719.0000 12536.3685 1.44% - 0s 0 0 12537.1667 0 40 12719.0000 12537.1667 1.43% - 0s 0 0 12537.1875 0 48 12719.0000 12537.1875 1.43% - 0s H 0 0 12718.000000 12537.1875 1.42% - 0s 0 2 12537.7500 0 48 12718.0000 12537.7500 1.42% - 0s * 71 38 16 12710.000000 12575.0000 1.06% 4.5 0s * 80 37 7 12705.000000 12589.5625 0.91% 4.6 0s * 83 34 8 12704.000000 12589.5625 0.90% 4.7 0s * 101 39 9 12699.000000 12605.0000 0.74% 5.0 0s * 140 28 24 12698.000000 12639.5333 0.46% 5.4 0s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 1 Explored 187 nodes (1258 simplex iterations) in 0.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269800000000e+04, best bound 1.269700000000e+04, gap 0.0079% adding cut for [(33, 46), (4, 40), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 181 rows, 1128 columns and 37691 nonzeros Presolve time: 0.02s Presolved: 181 rows, 1128 columns, 37691 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12525.6000 0 32 47372.0000 12525.6000 73.6% - 0s 0 0 12536.2222 0 44 47372.0000 12536.2222 73.5% - 0s 0 0 12536.4444 0 51 47372.0000 12536.4444 73.5% - 0s 0 0 12538.0000 0 37 47372.0000 12538.0000 73.5% - 0s 0 0 12538.1176 0 40 47372.0000 12538.1176 73.5% - 0s 0 0 12538.2143 0 45 47372.0000 12538.2143 73.5% - 0s 0 0 12538.3237 0 48 47372.0000 12538.3237 73.5% - 0s 0 0 12538.8545 0 46 47372.0000 12538.8545 73.5% - 0s 0 0 12539.0672 0 57 47372.0000 12539.0672 73.5% - 0s 0 0 12541.4000 0 38 47372.0000 12541.4000 73.5% - 0s 0 0 12541.4146 0 52 47372.0000 12541.4146 73.5% - 0s H 0 0 14476.000000 12541.4146 13.4% - 0s H 0 0 13325.000000 12541.4146 5.88% - 0s H 0 0 12714.000000 12541.4146 1.36% - 0s 0 0 12541.4218 0 54 12714.0000 12541.4218 1.36% - 0s 0 0 12541.4218 0 22 12714.0000 12541.4218 1.36% - 0s 0 0 12541.4218 0 28 12714.0000 12541.4218 1.36% - 0s 0 0 12542.7500 0 45 12714.0000 12542.7500 1.35% - 0s 0 0 12542.8776 0 56 12714.0000 12542.8776 1.35% - 0s 0 0 12542.9864 0 59 12714.0000 12542.9864 1.35% - 0s H 0 0 12704.000000 12542.9864 1.27% - 0s 0 2 12543.1276 0 59 12704.0000 12543.1276 1.27% - 0s * 25 11 24 12699.000000 12557.7500 1.11% 4.9 0s * 238 1 12 12698.000000 12693.0000 0.04% 5.0 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 240 nodes (1523 simplex iterations) in 0.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269800000000e+04, best bound 1.269800000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 182 rows, 1128 columns and 37967 nonzeros Presolve time: 0.02s Presolved: 182 rows, 1128 columns, 37967 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12790.000000 12502.0000 2.25% - 0s 0 0 12502.3333 0 30 12790.0000 12502.3333 2.25% - 0s 0 0 12502.3333 0 22 12790.0000 12502.3333 2.25% - 0s 0 0 12516.8000 0 30 12790.0000 12516.8000 2.14% - 0s 0 0 12526.8500 0 43 12790.0000 12526.8500 2.06% - 0s H 0 0 12775.000000 12526.8500 1.94% - 0s 0 0 12527.7143 0 36 12775.0000 12527.7143 1.94% - 0s 0 0 12528.1786 0 43 12775.0000 12528.1786 1.93% - 0s 0 0 12528.2500 0 44 12775.0000 12528.2500 1.93% - 0s 0 0 12529.2500 0 45 12775.0000 12529.2500 1.92% - 0s 0 0 12530.1429 0 39 12775.0000 12530.1429 1.92% - 0s 0 0 12530.4722 0 51 12775.0000 12530.4722 1.91% - 0s 0 0 12531.3529 0 50 12775.0000 12531.3529 1.91% - 0s 0 0 12532.0109 0 52 12775.0000 12532.0109 1.90% - 0s 0 0 12532.3000 0 43 12775.0000 12532.3000 1.90% - 0s 0 0 12532.4154 0 51 12775.0000 12532.4154 1.90% - 0s 0 0 12532.5488 0 50 12775.0000 12532.5488 1.90% - 0s 0 0 12532.6185 0 50 12775.0000 12532.6185 1.90% - 0s 0 0 12532.6783 0 58 12775.0000 12532.6783 1.90% - 0s 0 0 12532.7663 0 58 12775.0000 12532.7663 1.90% - 0s H 0 0 12757.000000 12532.7663 1.76% - 0s H 0 0 12719.000000 12532.7663 1.46% - 0s 0 2 12532.9202 0 58 12719.0000 12532.9202 1.46% - 0s * 72 24 14 12704.000000 12573.3333 1.03% 4.9 0s * 126 29 12 12702.000000 12600.0000 0.80% 5.2 0s * 175 42 30 12699.000000 12613.0000 0.68% 4.6 0s Cutting planes: Gomory: 2 Zero half: 13 Mod-K: 1 Explored 304 nodes (1701 simplex iterations) in 0.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269900000000e+04, best bound 1.269800000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 183 rows, 1128 columns and 38220 nonzeros Presolve time: 0.02s Presolved: 183 rows, 1128 columns, 38220 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12525.6000 0 32 47372.0000 12525.6000 73.6% - 0s 0 0 12536.2222 0 44 47372.0000 12536.2222 73.5% - 0s 0 0 12536.4444 0 51 47372.0000 12536.4444 73.5% - 0s 0 0 12538.0000 0 37 47372.0000 12538.0000 73.5% - 0s 0 0 12538.1176 0 40 47372.0000 12538.1176 73.5% - 0s 0 0 12538.2143 0 45 47372.0000 12538.2143 73.5% - 0s 0 0 12538.3237 0 48 47372.0000 12538.3237 73.5% - 0s 0 0 12538.8545 0 46 47372.0000 12538.8545 73.5% - 0s 0 0 12539.0672 0 57 47372.0000 12539.0672 73.5% - 0s 0 0 12540.9048 0 58 47372.0000 12540.9048 73.5% - 0s 0 0 12541.4000 0 35 47372.0000 12541.4000 73.5% - 0s 0 0 12541.4000 0 38 47372.0000 12541.4000 73.5% - 0s 0 0 12541.4628 0 45 47372.0000 12541.4628 73.5% - 0s H 0 0 13425.000000 12541.4628 6.58% - 0s 0 0 12541.4628 0 22 13425.0000 12541.4628 6.58% - 0s 0 0 12541.4628 0 38 13425.0000 12541.4628 6.58% - 0s 0 0 12541.4628 0 45 13425.0000 12541.4628 6.58% - 0s H 0 0 13182.000000 12541.4628 4.86% - 0s H 0 0 12718.000000 12541.4628 1.39% - 0s 0 2 12542.2786 0 45 12718.0000 12542.2786 1.38% - 0s * 54 25 13 12708.000000 12569.5455 1.09% 4.9 0s * 66 21 16 12699.000000 12572.5333 1.00% 4.9 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 225 nodes (1508 simplex iterations) in 1.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269900000000e+04, best bound 1.269800000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 36), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 184 rows, 1128 columns and 38496 nonzeros Presolve time: 0.02s Presolved: 184 rows, 1128 columns, 38496 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.1429 0 40 47372.0000 12517.1429 73.6% - 0s 0 0 12518.8571 0 35 47372.0000 12518.8571 73.6% - 0s 0 0 12519.2857 0 43 47372.0000 12519.2857 73.6% - 0s 0 0 12520.1667 0 33 47372.0000 12520.1667 73.6% - 0s 0 0 12520.3333 0 41 47372.0000 12520.3333 73.6% - 0s 0 0 12520.6053 0 49 47372.0000 12520.6053 73.6% - 0s 0 0 12522.7500 0 38 47372.0000 12522.7500 73.6% - 0s 0 0 12523.0500 0 46 47372.0000 12523.0500 73.6% - 0s 0 0 12523.5313 0 42 47372.0000 12523.5313 73.6% - 0s 0 0 12523.8438 0 50 47372.0000 12523.8438 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12524.8125 0 42 47372.0000 12524.8125 73.6% - 0s 0 0 12524.8524 0 50 47372.0000 12524.8524 73.6% - 0s 0 0 12524.9439 0 54 47372.0000 12524.9439 73.6% - 0s H 0 0 14950.000000 12524.9439 16.2% - 0s H 0 0 12769.000000 12524.9439 1.91% - 0s H 0 0 12714.000000 12524.9439 1.49% - 0s 0 0 12524.9439 0 22 12714.0000 12524.9439 1.49% - 0s 0 0 12524.9439 0 33 12714.0000 12524.9439 1.49% - 0s 0 0 12525.1800 0 52 12714.0000 12525.1800 1.49% - 0s 0 0 12525.2752 0 60 12714.0000 12525.2752 1.48% - 0s 0 0 12525.3354 0 54 12714.0000 12525.3354 1.48% - 0s 0 0 12525.3969 0 63 12714.0000 12525.3969 1.48% - 0s 0 0 12526.1153 0 59 12714.0000 12526.1153 1.48% - 0s 0 0 12526.6087 0 59 12714.0000 12526.6087 1.47% - 0s 0 0 12526.7336 0 65 12714.0000 12526.7336 1.47% - 0s 0 0 12527.1549 0 61 12714.0000 12527.1549 1.47% - 0s 0 0 12528.6012 0 61 12714.0000 12528.6012 1.46% - 0s 0 0 12528.8863 0 58 12714.0000 12528.8863 1.46% - 0s 0 0 12528.9434 0 64 12714.0000 12528.9434 1.46% - 0s 0 0 12529.2562 0 65 12714.0000 12529.2562 1.45% - 0s 0 0 12529.3992 0 63 12714.0000 12529.3992 1.45% - 0s 0 0 12530.0077 0 65 12714.0000 12530.0077 1.45% - 0s 0 0 12530.1257 0 68 12714.0000 12530.1257 1.45% - 0s 0 0 12530.2975 0 68 12714.0000 12530.2975 1.44% - 0s H 0 0 12712.000000 12530.2975 1.43% - 0s 0 2 12530.7813 0 68 12712.0000 12530.7813 1.43% - 0s * 69 24 19 12710.000000 12576.6438 1.05% 6.4 0s H 113 23 12709.000000 12601.0000 0.85% 6.6 0s * 135 33 17 12702.000000 12609.0435 0.73% 6.2 0s * 221 23 16 12699.000000 12653.0000 0.36% 6.0 1s Cutting planes: Gomory: 1 Zero half: 7 Mod-K: 6 Explored 247 nodes (1835 simplex iterations) in 1.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.269900000000e+04, best bound 1.269900000000e+04, gap 0.0% adding cut for [(33, 46), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 185 rows, 1128 columns and 38706 nonzeros Presolve time: 0.02s Presolved: 185 rows, 1128 columns, 38706 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12791.000000 12502.0000 2.26% - 0s 0 0 12516.8000 0 30 12791.0000 12516.8000 2.14% - 0s 0 0 12516.8000 0 22 12791.0000 12516.8000 2.14% - 0s 0 0 12516.8000 0 30 12791.0000 12516.8000 2.14% - 0s 0 0 12517.2143 0 40 12791.0000 12517.2143 2.14% - 0s 0 0 12519.1667 0 33 12791.0000 12519.1667 2.13% - 0s 0 0 12519.3250 0 39 12791.0000 12519.3250 2.12% - 0s 0 0 12519.8854 0 44 12791.0000 12519.8854 2.12% - 0s H 0 0 12719.000000 12519.8854 1.57% - 0s 0 0 12520.6111 0 43 12719.0000 12520.6111 1.56% - 0s 0 2 12534.0000 0 43 12719.0000 12534.0000 1.45% - 0s H 16 11 12718.000000 12549.3058 1.33% 0.0 0s H 16 10 12716.000000 12549.3058 1.31% 0.0 0s * 64 19 28 12710.000000 12569.1667 1.11% 8.9 0s H 71 21 12709.000000 12592.7000 0.92% 8.6 0s * 79 25 20 12704.000000 12592.7000 0.88% 8.5 0s * 165 40 29 12702.000000 12621.0000 0.64% 6.3 0s Cutting planes: Gomory: 7 Zero half: 13 Explored 301 nodes (2008 simplex iterations) in 1.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270200000000e+04, best bound 1.270200000000e+04, gap 0.0% adding cut for [(33, 46), (4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 186 rows, 1128 columns and 38916 nonzeros Presolve time: 0.02s Presolved: 186 rows, 1128 columns, 38916 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12806.000000 12502.0000 2.37% - 0s 0 0 12516.8000 0 30 12806.0000 12516.8000 2.26% - 0s 0 0 12516.8000 0 22 12806.0000 12516.8000 2.26% - 0s 0 0 12516.8000 0 30 12806.0000 12516.8000 2.26% - 0s 0 0 12517.2143 0 40 12806.0000 12517.2143 2.26% - 0s 0 0 12519.1667 0 33 12806.0000 12519.1667 2.24% - 0s 0 0 12519.3250 0 39 12806.0000 12519.3250 2.24% - 0s 0 0 12519.8854 0 44 12806.0000 12519.8854 2.23% - 0s 0 0 12520.7667 0 43 12806.0000 12520.7667 2.23% - 0s 0 0 12520.8182 0 48 12806.0000 12520.8182 2.23% - 0s 0 0 12520.8583 0 57 12806.0000 12520.8583 2.23% - 0s 0 0 12521.8000 0 40 12806.0000 12521.8000 2.22% - 0s 0 0 12521.9231 0 48 12806.0000 12521.9231 2.22% - 0s 0 0 12522.6267 0 45 12806.0000 12522.6267 2.21% - 0s 0 0 12522.7571 0 57 12806.0000 12522.7571 2.21% - 0s 0 0 12523.0833 0 40 12806.0000 12523.0833 2.21% - 0s 0 0 12523.5777 0 56 12806.0000 12523.5777 2.21% - 0s 0 0 12523.6763 0 56 12806.0000 12523.6763 2.20% - 0s 0 0 12523.6965 0 61 12806.0000 12523.6965 2.20% - 0s 0 0 12524.2500 0 33 12806.0000 12524.2500 2.20% - 0s 0 0 12524.5000 0 41 12806.0000 12524.5000 2.20% - 0s 0 0 12525.1023 0 50 12806.0000 12525.1023 2.19% - 0s 0 0 12525.1696 0 55 12806.0000 12525.1696 2.19% - 0s 0 0 12525.4466 0 52 12806.0000 12525.4466 2.19% - 0s 0 0 12525.5125 0 59 12806.0000 12525.5125 2.19% - 0s 0 0 12525.6679 0 66 12806.0000 12525.6679 2.19% - 0s 0 0 12525.8477 0 59 12806.0000 12525.8477 2.19% - 0s 0 0 12525.9356 0 68 12806.0000 12525.9356 2.19% - 0s 0 0 12526.1108 0 59 12806.0000 12526.1108 2.19% - 0s 0 0 12527.4027 0 63 12806.0000 12527.4027 2.18% - 0s 0 0 12527.8052 0 66 12806.0000 12527.8052 2.17% - 0s 0 0 12529.3357 0 66 12806.0000 12529.3357 2.16% - 0s 0 0 12532.2516 0 64 12806.0000 12532.2516 2.14% - 0s 0 0 12533.6316 0 65 12806.0000 12533.6316 2.13% - 0s 0 0 12535.7589 0 66 12806.0000 12535.7589 2.11% - 0s 0 0 12536.0169 0 74 12806.0000 12536.0169 2.11% - 0s 0 0 12536.2082 0 74 12806.0000 12536.2082 2.11% - 0s 0 0 12537.6816 0 56 12806.0000 12537.6816 2.10% - 0s 0 0 12537.9086 0 66 12806.0000 12537.9086 2.09% - 0s 0 0 12538.0989 0 69 12806.0000 12538.0989 2.09% - 0s 0 0 12538.5280 0 74 12806.0000 12538.5280 2.09% - 0s 0 0 12538.8563 0 77 12806.0000 12538.8563 2.09% - 0s 0 0 12538.9502 0 77 12806.0000 12538.9502 2.09% - 0s 0 0 12539.3206 0 77 12806.0000 12539.3206 2.08% - 0s 0 0 12539.3364 0 72 12806.0000 12539.3364 2.08% - 0s 0 0 12539.3499 0 76 12806.0000 12539.3499 2.08% - 0s H 0 0 12719.000000 12539.3499 1.41% - 0s 0 2 12539.4932 0 76 12719.0000 12539.4932 1.41% - 0s * 42 18 11 12716.000000 12568.0000 1.16% 6.8 1s * 63 22 18 12708.000000 12571.5689 1.07% 6.5 1s * 161 53 9 12705.000000 12612.2727 0.73% 6.0 1s * 232 51 11 12702.000000 12634.5000 0.53% 5.9 1s Cutting planes: Gomory: 1 Zero half: 15 Mod-K: 8 Explored 324 nodes (2328 simplex iterations) in 1.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270200000000e+04, best bound 1.270200000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 187 rows, 1128 columns and 39147 nonzeros Presolve time: 0.02s Presolved: 187 rows, 1128 columns, 39147 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12794.000000 12502.0000 2.28% - 0s 0 0 12516.8000 0 30 12794.0000 12516.8000 2.17% - 0s 0 0 12516.8000 0 22 12794.0000 12516.8000 2.17% - 0s 0 0 12516.8000 0 30 12794.0000 12516.8000 2.17% - 0s H 0 0 12758.000000 12516.8000 1.89% - 0s 0 0 12517.2143 0 40 12758.0000 12517.2143 1.89% - 0s 0 0 12519.1667 0 33 12758.0000 12519.1667 1.87% - 0s 0 0 12519.3250 0 39 12758.0000 12519.3250 1.87% - 0s 0 0 12519.8854 0 44 12758.0000 12519.8854 1.87% - 0s 0 0 12520.7667 0 43 12758.0000 12520.7667 1.86% - 0s 0 0 12520.8182 0 48 12758.0000 12520.8182 1.86% - 0s 0 0 12520.8583 0 57 12758.0000 12520.8583 1.86% - 0s 0 0 12521.7891 0 42 12758.0000 12521.7891 1.85% - 0s 0 0 12522.1825 0 48 12758.0000 12522.1825 1.85% - 0s 0 0 12522.3937 0 51 12758.0000 12522.3937 1.85% - 0s 0 0 12522.5766 0 53 12758.0000 12522.5766 1.85% - 0s 0 0 12522.8529 0 53 12758.0000 12522.8529 1.84% - 0s 0 0 12523.4295 0 60 12758.0000 12523.4295 1.84% - 0s 0 0 12523.6467 0 58 12758.0000 12523.6467 1.84% - 0s 0 0 12524.2500 0 33 12758.0000 12524.2500 1.83% - 0s 0 0 12524.7283 0 47 12758.0000 12524.7283 1.83% - 0s 0 0 12525.0546 0 62 12758.0000 12525.0546 1.83% - 0s 0 0 12525.8394 0 59 12758.0000 12525.8394 1.82% - 0s 0 0 12526.0089 0 55 12758.0000 12526.0089 1.82% - 0s 0 0 12526.0981 0 63 12758.0000 12526.0981 1.82% - 0s 0 0 12526.9524 0 63 12758.0000 12526.9524 1.81% - 0s 0 0 12527.3869 0 64 12758.0000 12527.3869 1.81% - 0s 0 0 12528.6957 0 44 12758.0000 12528.6957 1.80% - 0s 0 0 12530.8685 0 55 12758.0000 12530.8685 1.78% - 0s 0 0 12531.2173 0 62 12758.0000 12531.2173 1.78% - 0s 0 0 12531.3954 0 64 12758.0000 12531.3954 1.78% - 0s 0 0 12532.7514 0 55 12758.0000 12532.7514 1.77% - 0s 0 0 12532.8423 0 60 12758.0000 12532.8423 1.76% - 0s 0 0 12533.0319 0 56 12758.0000 12533.0319 1.76% - 0s 0 0 12533.0437 0 66 12758.0000 12533.0437 1.76% - 0s 0 0 12533.5381 0 67 12758.0000 12533.5381 1.76% - 0s H 0 0 12735.000000 12533.5381 1.58% - 0s H 0 0 12714.000000 12533.5381 1.42% - 0s 0 2 12533.6421 0 59 12714.0000 12533.6421 1.42% - 0s * 80 30 20 12711.000000 12581.4500 1.02% 6.5 0s * 83 30 23 12710.000000 12581.4500 1.01% 6.4 0s * 98 36 11 12703.000000 12587.5714 0.91% 6.6 0s * 100 35 12 12702.000000 12587.5714 0.90% 6.5 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 4 Explored 245 nodes (1852 simplex iterations) in 0.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270200000000e+04, best bound 1.270200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46), (38, 40)] Optimize a model with 188 rows, 1128 columns and 39400 nonzeros Presolve time: 0.02s Presolved: 188 rows, 1128 columns, 39400 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12913.000000 12502.0000 3.18% - 0s 0 0 12516.8000 0 30 12913.0000 12516.8000 3.07% - 0s 0 0 12516.8000 0 22 12913.0000 12516.8000 3.07% - 0s 0 0 12516.8000 0 30 12913.0000 12516.8000 3.07% - 0s 0 0 12517.0000 0 40 12913.0000 12517.0000 3.07% - 0s 0 0 12518.6780 0 34 12913.0000 12518.6780 3.05% - 0s 0 0 12519.1017 0 42 12913.0000 12519.1017 3.05% - 0s 0 0 12520.2857 0 36 12913.0000 12520.2857 3.04% - 0s 0 0 12520.7143 0 44 12913.0000 12520.7143 3.04% - 0s 0 0 12522.7500 0 38 12913.0000 12522.7500 3.02% - 0s 0 0 12523.0500 0 46 12913.0000 12523.0500 3.02% - 0s 0 0 12523.3065 0 54 12913.0000 12523.3065 3.02% - 0s 0 0 12524.2500 0 33 12913.0000 12524.2500 3.01% - 0s 0 0 12524.2573 0 56 12913.0000 12524.2573 3.01% - 0s H 0 0 12718.000000 12524.2573 1.52% - 0s 0 2 12524.3302 0 56 12718.0000 12524.3302 1.52% - 0s * 76 37 8 12706.000000 12592.2500 0.90% 5.5 0s H 109 31 12703.000000 12602.0000 0.80% 5.5 0s Cutting planes: Gomory: 1 Zero half: 12 Explored 203 nodes (1429 simplex iterations) in 0.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270300000000e+04, best bound 1.270300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 189 rows, 1128 columns and 39653 nonzeros Presolve time: 0.02s Presolved: 189 rows, 1128 columns, 39653 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12795.000000 12502.0000 2.29% - 0s 0 0 12516.8000 0 30 12795.0000 12516.8000 2.17% - 0s 0 0 12516.8000 0 22 12795.0000 12516.8000 2.17% - 0s 0 0 12516.8000 0 30 12795.0000 12516.8000 2.17% - 0s 0 0 12517.2143 0 40 12795.0000 12517.2143 2.17% - 0s H 0 0 12719.000000 12517.2143 1.59% - 0s 0 0 12519.5000 0 35 12719.0000 12519.5000 1.57% - 0s 0 2 12534.1111 0 35 12719.0000 12534.1111 1.45% - 0s H 20 13 12716.000000 12540.0079 1.38% 0.2 1s * 45 24 27 12705.000000 12563.5000 1.11% 12.1 1s * 92 30 23 12704.000000 12584.2778 0.94% 9.2 1s * 276 15 27 12703.000000 12663.6667 0.31% 6.2 1s Cutting planes: Gomory: 6 Zero half: 16 Explored 309 nodes (2083 simplex iterations) in 1.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270300000000e+04, best bound 1.270300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46), (38, 40)] Optimize a model with 190 rows, 1128 columns and 39884 nonzeros Presolve time: 0.02s Presolved: 190 rows, 1128 columns, 39884 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.5455 0 55 47372.0000 12522.5455 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12526.0147 0 59 47372.0000 12526.0147 73.6% - 0s 0 0 12526.2500 0 36 47372.0000 12526.2500 73.6% - 0s 0 0 12526.3551 0 52 47372.0000 12526.3551 73.6% - 0s H 0 0 14293.000000 12526.3551 12.4% - 0s H 0 0 12725.000000 12526.3551 1.56% - 0s H 0 0 12714.000000 12526.3551 1.48% - 0s 0 0 12526.5066 0 61 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 22 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 33 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 45 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 52 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5941 0 61 12714.0000 12526.5941 1.47% - 0s 0 0 12526.9862 0 58 12714.0000 12526.9862 1.47% - 0s 0 0 12527.0284 0 63 12714.0000 12527.0284 1.47% - 0s 0 2 12527.1868 0 63 12714.0000 12527.1868 1.47% - 0s * 23 10 21 12710.000000 12563.9180 1.15% 5.7 0s * 60 24 5 12705.000000 12579.0000 0.99% 6.4 0s * 146 33 11 12704.000000 12636.0000 0.54% 5.4 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 2 Explored 231 nodes (1536 simplex iterations) in 0.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270400000000e+04, best bound 1.270400000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 191 rows, 1128 columns and 40115 nonzeros Presolve time: 0.02s Presolved: 191 rows, 1128 columns, 40115 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.5455 0 55 47372.0000 12522.5455 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12526.0147 0 59 47372.0000 12526.0147 73.6% - 0s 0 0 12526.2500 0 36 47372.0000 12526.2500 73.6% - 0s 0 0 12526.3551 0 52 47372.0000 12526.3551 73.6% - 0s H 0 0 14367.000000 12526.3551 12.8% - 0s H 0 0 12725.000000 12526.3551 1.56% - 0s H 0 0 12714.000000 12526.3551 1.48% - 0s 0 0 12526.5066 0 61 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 22 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 33 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 45 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 52 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5941 0 61 12714.0000 12526.5941 1.47% - 0s 0 0 12526.9862 0 58 12714.0000 12526.9862 1.47% - 0s 0 0 12527.0284 0 63 12714.0000 12527.0284 1.47% - 0s 0 2 12527.1868 0 63 12714.0000 12527.1868 1.47% - 0s * 23 10 21 12710.000000 12563.9180 1.15% 5.7 0s * 60 24 5 12705.000000 12579.0000 0.99% 6.4 0s * 165 27 12 12704.000000 12647.0000 0.45% 5.7 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 2 Explored 231 nodes (1545 simplex iterations) in 0.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270400000000e+04, best bound 1.270400000000e+04, gap 0.0% adding cut for [(2, 10), (2, 40), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 192 rows, 1128 columns and 40415 nonzeros Presolve time: 0.02s Presolved: 192 rows, 1128 columns, 40415 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12745.000000 12502.0000 1.91% - 0s 0 0 12516.8000 0 30 12745.0000 12516.8000 1.79% - 0s 0 0 12516.8000 0 22 12745.0000 12516.8000 1.79% - 0s 0 0 12516.8000 0 30 12745.0000 12516.8000 1.79% - 0s 0 0 12517.0357 0 40 12745.0000 12517.0357 1.79% - 0s H 0 0 12719.000000 12517.0357 1.59% - 0s 0 0 12519.5000 0 35 12719.0000 12519.5000 1.57% - 0s 0 0 12519.9167 0 43 12719.0000 12519.9167 1.57% - 0s 0 0 12520.0417 0 46 12719.0000 12520.0417 1.56% - 0s 0 0 12521.0081 0 49 12719.0000 12521.0081 1.56% - 0s 0 0 12522.1192 0 46 12719.0000 12522.1192 1.55% - 0s 0 0 12522.3332 0 54 12719.0000 12522.3332 1.55% - 0s 0 0 12524.2500 0 33 12719.0000 12524.2500 1.53% - 0s 0 0 12526.3000 0 48 12719.0000 12526.3000 1.52% - 0s 0 0 12527.1154 0 48 12719.0000 12527.1154 1.51% - 0s 0 0 12527.1906 0 55 12719.0000 12527.1906 1.51% - 0s 0 0 12527.3077 0 56 12719.0000 12527.3077 1.51% - 0s 0 0 12527.4048 0 47 12719.0000 12527.4048 1.51% - 0s 0 0 12527.4674 0 55 12719.0000 12527.4674 1.51% - 0s 0 0 12527.4805 0 63 12719.0000 12527.4805 1.51% - 0s 0 0 12527.5296 0 59 12719.0000 12527.5296 1.51% - 0s 0 0 12527.6062 0 64 12719.0000 12527.6062 1.50% - 0s 0 0 12527.9917 0 54 12719.0000 12527.9917 1.50% - 0s 0 0 12528.0340 0 66 12719.0000 12528.0340 1.50% - 0s 0 0 12530.2928 0 50 12719.0000 12530.2928 1.48% - 0s 0 0 12530.3072 0 56 12719.0000 12530.3072 1.48% - 0s 0 0 12530.3951 0 55 12719.0000 12530.3951 1.48% - 0s 0 0 12530.3951 0 58 12719.0000 12530.3951 1.48% - 0s 0 0 12530.4972 0 63 12719.0000 12530.4972 1.48% - 0s 0 0 12530.6171 0 66 12719.0000 12530.6171 1.48% - 0s 0 0 12530.6171 0 69 12719.0000 12530.6171 1.48% - 0s 0 0 12530.6314 0 66 12719.0000 12530.6314 1.48% - 0s 0 2 12530.6419 0 66 12719.0000 12530.6419 1.48% - 0s H 27 14 12710.000000 12552.0000 1.24% 6.3 0s * 39 15 8 12706.000000 12564.8080 1.11% 6.0 0s H 54 15 12705.000000 12568.6078 1.07% 6.0 0s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 8 Explored 249 nodes (1745 simplex iterations) in 0.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270500000000e+04, best bound 1.270500000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 193 rows, 1128 columns and 40691 nonzeros Presolve time: 0.02s Presolved: 193 rows, 1128 columns, 40691 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.5455 0 55 47372.0000 12522.5455 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12526.0147 0 59 47372.0000 12526.0147 73.6% - 0s 0 0 12526.2500 0 36 47372.0000 12526.2500 73.6% - 0s 0 0 12526.3551 0 52 47372.0000 12526.3551 73.6% - 0s H 0 0 14771.000000 12526.3551 15.2% - 0s H 0 0 12725.000000 12526.3551 1.56% - 0s H 0 0 12714.000000 12526.3551 1.48% - 0s 0 0 12526.5066 0 61 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 22 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 33 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 45 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 52 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5941 0 61 12714.0000 12526.5941 1.47% - 0s 0 0 12526.9862 0 58 12714.0000 12526.9862 1.47% - 0s 0 0 12527.0284 0 63 12714.0000 12527.0284 1.47% - 0s 0 2 12527.1868 0 63 12714.0000 12527.1868 1.47% - 0s * 23 10 21 12710.000000 12563.9344 1.15% 5.7 0s * 82 28 8 12706.000000 12594.4091 0.88% 6.6 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 2 Explored 235 nodes (1564 simplex iterations) in 0.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270600000000e+04, best bound 1.270600000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 194 rows, 1128 columns and 40967 nonzeros Presolve time: 0.02s Presolved: 194 rows, 1128 columns, 40967 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.5455 0 55 47372.0000 12522.5455 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12526.0147 0 59 47372.0000 12526.0147 73.6% - 0s 0 0 12526.2500 0 36 47372.0000 12526.2500 73.6% - 0s 0 0 12526.3551 0 52 47372.0000 12526.3551 73.6% - 0s 0 0 12526.5066 0 61 47372.0000 12526.5066 73.6% - 0s 0 0 12526.6972 0 64 47372.0000 12526.6972 73.6% - 0s H 0 0 14381.000000 12526.6972 12.9% - 0s H 0 0 13112.000000 12526.6972 4.46% - 0s H 0 0 12714.000000 12526.6972 1.47% - 0s 0 0 12526.9481 0 59 12714.0000 12526.9481 1.47% - 0s 0 0 12526.9481 0 22 12714.0000 12526.9481 1.47% - 0s 0 0 12526.9481 0 41 12714.0000 12526.9481 1.47% - 0s 0 0 12526.9481 0 49 12714.0000 12526.9481 1.47% - 0s 0 0 12526.9481 0 51 12714.0000 12526.9481 1.47% - 0s 0 0 12527.1458 0 58 12714.0000 12527.1458 1.47% - 0s 0 0 12528.6829 0 52 12714.0000 12528.6829 1.46% - 0s 0 0 12531.1512 0 52 12714.0000 12531.1512 1.44% - 0s 0 0 12531.8017 0 50 12714.0000 12531.8017 1.43% - 0s 0 0 12531.8416 0 60 12714.0000 12531.8416 1.43% - 0s 0 0 12531.8416 0 60 12714.0000 12531.8416 1.43% - 0s 0 2 12533.0000 0 60 12714.0000 12533.0000 1.42% - 0s * 25 11 25 12711.000000 12566.7857 1.13% 4.0 0s * 54 27 12 12709.000000 12585.5000 0.97% 5.5 0s * 150 27 12 12708.000000 12635.5000 0.57% 6.5 0s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 3 Explored 228 nodes (1791 simplex iterations) in 0.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270800000000e+04, best bound 1.270800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 195 rows, 1128 columns and 41243 nonzeros Presolve time: 0.02s Presolved: 195 rows, 1128 columns, 41243 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.4545 0 47 47372.0000 12522.4545 73.6% - 0s 0 0 12522.8364 0 55 47372.0000 12522.8364 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12525.8295 0 52 47372.0000 12525.8295 73.6% - 0s 0 0 12525.8554 0 60 47372.0000 12525.8554 73.6% - 0s 0 0 12525.9638 0 54 47372.0000 12525.9638 73.6% - 0s H 0 0 14360.000000 12525.9638 12.8% - 0s H 0 0 12718.000000 12525.9638 1.51% - 0s 0 0 12525.9838 0 62 12718.0000 12525.9838 1.51% - 0s 0 0 12525.9838 0 22 12718.0000 12525.9838 1.51% - 0s 0 0 12525.9838 0 33 12718.0000 12525.9838 1.51% - 0s 0 0 12525.9838 0 42 12718.0000 12525.9838 1.51% - 0s 0 0 12526.0007 0 62 12718.0000 12526.0007 1.51% - 0s 0 0 12526.2500 0 36 12718.0000 12526.2500 1.51% - 0s 0 0 12526.6142 0 62 12718.0000 12526.6142 1.50% - 0s 0 0 12527.0255 0 49 12718.0000 12527.0255 1.50% - 0s 0 0 12527.1416 0 54 12718.0000 12527.1416 1.50% - 0s H 0 0 12716.000000 12527.1416 1.49% - 0s H 0 0 12714.000000 12527.1416 1.47% - 0s 0 2 12528.8529 0 54 12714.0000 12528.8529 1.46% - 0s * 21 11 19 12711.000000 12564.8696 1.15% 6.3 0s * 83 31 10 12710.000000 12594.4091 0.91% 6.2 0s * 102 34 18 12708.000000 12595.3333 0.89% 6.2 0s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 2 Explored 232 nodes (1705 simplex iterations) in 0.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270800000000e+04, best bound 1.270800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 196 rows, 1128 columns and 41496 nonzeros Presolve time: 0.02s Presolved: 196 rows, 1128 columns, 41496 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12812.000000 12502.0000 2.42% - 0s 0 0 12516.8000 0 30 12812.0000 12516.8000 2.30% - 0s 0 0 12516.8000 0 22 12812.0000 12516.8000 2.30% - 0s 0 0 12516.8000 0 30 12812.0000 12516.8000 2.30% - 0s 0 0 12517.0357 0 40 12812.0000 12517.0357 2.30% - 0s 0 0 12525.6000 0 32 12812.0000 12525.6000 2.24% - 0s 0 0 12526.1000 0 40 12812.0000 12526.1000 2.23% - 0s 0 0 12528.1791 0 39 12812.0000 12528.1791 2.22% - 0s 0 0 12528.6368 0 50 12812.0000 12528.6368 2.21% - 0s 0 0 12531.1765 0 38 12812.0000 12531.1765 2.19% - 0s 0 0 12531.3333 0 33 12812.0000 12531.3333 2.19% - 0s 0 0 12533.0294 0 49 12812.0000 12533.0294 2.18% - 0s 0 0 12533.7143 0 50 12812.0000 12533.7143 2.17% - 0s 0 0 12534.0000 0 36 12812.0000 12534.0000 2.17% - 0s 0 0 12538.1905 0 57 12812.0000 12538.1905 2.14% - 0s 0 0 12539.4286 0 44 12812.0000 12539.4286 2.13% - 0s 0 0 12539.5915 0 62 12812.0000 12539.5915 2.13% - 0s 0 0 12539.7705 0 52 12812.0000 12539.7705 2.12% - 0s 0 0 12539.8066 0 60 12812.0000 12539.8066 2.12% - 0s 0 0 12539.8347 0 64 12812.0000 12539.8347 2.12% - 0s 0 0 12539.9289 0 61 12812.0000 12539.9289 2.12% - 0s 0 0 12540.5000 0 56 12812.0000 12540.5000 2.12% - 0s 0 0 12540.5240 0 64 12812.0000 12540.5240 2.12% - 0s H 0 0 12719.000000 12540.5240 1.40% - 0s H 0 0 12716.000000 12540.5240 1.38% - 0s 0 2 12543.0521 0 64 12716.0000 12543.0521 1.36% - 0s * 46 22 15 12712.000000 12577.8571 1.06% 5.9 0s * 134 36 5 12710.000000 12622.6667 0.69% 6.0 0s * 143 35 6 12709.000000 12634.0588 0.59% 6.0 0s Cutting planes: Gomory: 2 Zero half: 12 Mod-K: 2 Explored 262 nodes (1820 simplex iterations) in 0.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270900000000e+04, best bound 1.270900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 197 rows, 1128 columns and 41796 nonzeros Presolve time: 0.02s Presolved: 197 rows, 1128 columns, 41796 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.5455 0 55 47372.0000 12522.5455 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12526.0147 0 59 47372.0000 12526.0147 73.6% - 0s 0 0 12526.2500 0 36 47372.0000 12526.2500 73.6% - 0s 0 0 12526.3551 0 52 47372.0000 12526.3551 73.6% - 0s H 0 0 14609.000000 12526.3551 14.3% - 0s H 0 0 12725.000000 12526.3551 1.56% - 0s H 0 0 12714.000000 12526.3551 1.48% - 0s 0 0 12526.5066 0 61 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 22 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 33 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 45 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 52 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5941 0 61 12714.0000 12526.5941 1.47% - 0s 0 0 12526.9862 0 58 12714.0000 12526.9862 1.47% - 0s 0 0 12527.0284 0 63 12714.0000 12527.0284 1.47% - 0s 0 2 12527.1868 0 63 12714.0000 12527.1868 1.47% - 0s * 22 9 20 12710.000000 12563.9344 1.15% 5.7 0s H 178 26 12709.000000 12648.0000 0.48% 5.4 0s Cutting planes: Gomory: 1 Zero half: 11 Mod-K: 2 Explored 242 nodes (1577 simplex iterations) in 0.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270900000000e+04, best bound 1.270900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 40), (16, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 198 rows, 1128 columns and 42121 nonzeros Presolve time: 0.02s Presolved: 198 rows, 1128 columns, 42121 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12749.000000 12502.0000 1.94% - 0s 0 0 12516.8000 0 30 12749.0000 12516.8000 1.82% - 0s 0 0 12516.8000 0 22 12749.0000 12516.8000 1.82% - 0s 0 0 12516.8000 0 30 12749.0000 12516.8000 1.82% - 0s 0 0 12517.0357 0 40 12749.0000 12517.0357 1.82% - 0s 0 0 12519.5000 0 35 12749.0000 12519.5000 1.80% - 0s 0 0 12519.6852 0 43 12749.0000 12519.6852 1.80% - 0s 0 0 12520.1667 0 33 12749.0000 12520.1667 1.79% - 0s 0 0 12520.3750 0 41 12749.0000 12520.3750 1.79% - 0s 0 0 12520.8182 0 37 12749.0000 12520.8182 1.79% - 0s 0 0 12521.1447 0 49 12749.0000 12521.1447 1.79% - 0s 0 0 12521.3112 0 57 12749.0000 12521.3112 1.79% - 0s 0 0 12521.9727 0 50 12749.0000 12521.9727 1.78% - 0s 0 0 12522.3778 0 57 12749.0000 12522.3778 1.78% - 0s 0 0 12522.6667 0 37 12749.0000 12522.6667 1.78% - 0s 0 0 12522.7799 0 62 12749.0000 12522.7799 1.77% - 0s 0 0 12523.2289 0 47 12749.0000 12523.2289 1.77% - 0s 0 0 12523.3220 0 58 12749.0000 12523.3220 1.77% - 0s 0 0 12523.3919 0 52 12749.0000 12523.3919 1.77% - 0s 0 0 12524.7245 0 50 12749.0000 12524.7245 1.76% - 0s 0 0 12524.7850 0 55 12749.0000 12524.7850 1.76% - 0s 0 0 12524.8740 0 57 12749.0000 12524.8740 1.76% - 0s 0 0 12525.0862 0 56 12749.0000 12525.0862 1.76% - 0s 0 0 12525.0956 0 61 12749.0000 12525.0956 1.76% - 0s 0 0 12525.2945 0 69 12749.0000 12525.2945 1.75% - 0s 0 0 12525.2969 0 70 12749.0000 12525.2969 1.75% - 0s H 0 0 12719.000000 12525.2969 1.52% - 0s 0 0 12525.3889 0 46 12719.0000 12525.3889 1.52% - 0s 0 0 12525.8271 0 55 12719.0000 12525.8271 1.52% - 0s 0 0 12525.8271 0 54 12719.0000 12525.8271 1.52% - 0s H 0 0 12716.000000 12525.8271 1.50% - 0s 0 2 12527.0394 0 54 12716.0000 12527.0394 1.49% - 0s H 27 12 12714.000000 12561.6667 1.20% 7.3 0s * 124 37 8 12710.000000 12598.3125 0.88% 5.9 0s * 151 38 9 12709.000000 12614.3333 0.74% 5.6 0s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 8 Explored 262 nodes (1749 simplex iterations) in 0.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270900000000e+04, best bound 1.270800000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 199 rows, 1128 columns and 42446 nonzeros Presolve time: 0.02s Presolved: 199 rows, 1128 columns, 42446 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.5455 0 55 47372.0000 12522.5455 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12526.0147 0 59 47372.0000 12526.0147 73.6% - 0s 0 0 12526.2500 0 36 47372.0000 12526.2500 73.6% - 0s 0 0 12526.3551 0 52 47372.0000 12526.3551 73.6% - 0s 0 0 12526.5066 0 61 47372.0000 12526.5066 73.6% - 0s 0 0 12526.6972 0 64 47372.0000 12526.6972 73.6% - 0s H 0 0 14501.000000 12526.6972 13.6% - 0s H 0 0 13112.000000 12526.6972 4.46% - 0s H 0 0 12714.000000 12526.6972 1.47% - 0s 0 0 12526.9481 0 59 12714.0000 12526.9481 1.47% - 0s 0 0 12526.9481 0 22 12714.0000 12526.9481 1.47% - 0s 0 0 12526.9481 0 41 12714.0000 12526.9481 1.47% - 0s 0 0 12526.9481 0 49 12714.0000 12526.9481 1.47% - 0s 0 0 12526.9481 0 51 12714.0000 12526.9481 1.47% - 0s 0 0 12527.1458 0 58 12714.0000 12527.1458 1.47% - 0s 0 0 12527.3763 0 60 12714.0000 12527.3763 1.47% - 0s 0 0 12527.5958 0 57 12714.0000 12527.5958 1.47% - 0s 0 0 12527.7142 0 65 12714.0000 12527.7142 1.47% - 0s 0 2 12528.2899 0 65 12714.0000 12528.2899 1.46% - 0s * 21 9 19 12711.000000 12563.9180 1.16% 6.3 0s * 207 33 16 12710.000000 12640.6500 0.55% 5.4 0s Cutting planes: Gomory: 1 Zero half: 6 Mod-K: 4 Explored 276 nodes (1848 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271000000000e+04, best bound 1.270900000000e+04, gap 0.0079% adding cut for [(33, 46), (4, 40), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 200 rows, 1128 columns and 42636 nonzeros Presolve time: 0.02s Presolved: 200 rows, 1128 columns, 42636 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.5455 0 55 47372.0000 12522.5455 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12526.0147 0 59 47372.0000 12526.0147 73.6% - 0s 0 0 12526.2500 0 36 47372.0000 12526.2500 73.6% - 0s 0 0 12526.3551 0 52 47372.0000 12526.3551 73.6% - 0s H 0 0 14610.000000 12526.3551 14.3% - 0s 0 0 12526.5066 0 61 14610.0000 12526.5066 14.3% - 0s H 0 0 14524.000000 12526.5066 13.8% - 0s H 0 0 13112.000000 12526.5066 4.47% - 0s H 0 0 12714.000000 12526.5066 1.47% - 0s 0 0 12526.6972 0 64 12714.0000 12526.6972 1.47% - 0s 0 0 12526.6972 0 22 12714.0000 12526.6972 1.47% - 0s 0 0 12526.6972 0 33 12714.0000 12526.6972 1.47% - 0s 0 0 12526.6972 0 59 12714.0000 12526.6972 1.47% - 0s 0 0 12526.6972 0 54 12714.0000 12526.6972 1.47% - 0s 0 0 12526.8774 0 63 12714.0000 12526.8774 1.47% - 0s 0 2 12527.0000 0 63 12714.0000 12527.0000 1.47% - 0s * 22 10 20 12712.000000 12563.9344 1.16% 6.0 0s * 76 26 6 12710.000000 12590.5000 0.94% 6.2 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 2 Explored 243 nodes (1687 simplex iterations) in 0.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271000000000e+04, best bound 1.271000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 201 rows, 1128 columns and 42961 nonzeros Presolve time: 0.02s Presolved: 201 rows, 1128 columns, 42961 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.6780 0 34 47372.0000 12518.6780 73.6% - 0s 0 0 12519.1017 0 42 47372.0000 12519.1017 73.6% - 0s 0 0 12520.2857 0 36 47372.0000 12520.2857 73.6% - 0s 0 0 12520.7143 0 44 47372.0000 12520.7143 73.6% - 0s 0 0 12522.5455 0 55 47372.0000 12522.5455 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s 0 0 12525.7500 0 42 47372.0000 12525.7500 73.6% - 0s 0 0 12526.0147 0 59 47372.0000 12526.0147 73.6% - 0s 0 0 12526.2500 0 36 47372.0000 12526.2500 73.6% - 0s 0 0 12526.3551 0 52 47372.0000 12526.3551 73.6% - 0s H 0 0 13126.000000 12526.3551 4.57% - 0s H 0 0 12736.000000 12526.3551 1.65% - 0s H 0 0 12714.000000 12526.3551 1.48% - 0s 0 0 12526.5066 0 61 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 22 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 33 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 45 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5066 0 52 12714.0000 12526.5066 1.47% - 0s 0 0 12526.5941 0 61 12714.0000 12526.5941 1.47% - 0s 0 0 12526.9862 0 58 12714.0000 12526.9862 1.47% - 0s 0 0 12527.0284 0 63 12714.0000 12527.0284 1.47% - 0s 0 2 12527.1868 0 63 12714.0000 12527.1868 1.47% - 0s * 22 10 20 12712.000000 12563.9344 1.16% 5.7 0s * 157 26 3 12710.000000 12646.3000 0.50% 6.0 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 2 Explored 238 nodes (1678 simplex iterations) in 0.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271000000000e+04, best bound 1.270900000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 17), (3, 26), (3, 29), (5, 26), (5, 35), (6, 42), (6, 48), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (11, 25), (11, 45), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (25, 42), (29, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (35, 45), (36, 46)] Optimize a model with 202 rows, 1128 columns and 43522 nonzeros Presolve time: 0.02s Presolved: 202 rows, 1128 columns, 43522 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12746.000000 12502.0000 1.91% - 0s 0 0 12516.8000 0 30 12746.0000 12516.8000 1.80% - 0s 0 0 12516.8000 0 22 12746.0000 12516.8000 1.80% - 0s 0 0 12516.8000 0 30 12746.0000 12516.8000 1.80% - 0s 0 0 12517.0357 0 40 12746.0000 12517.0357 1.80% - 0s 0 0 12519.1667 0 33 12746.0000 12519.1667 1.78% - 0s H 0 0 12719.000000 12519.1667 1.57% - 0s 0 0 12519.3250 0 39 12719.0000 12519.3250 1.57% - 0s 0 0 12519.9375 0 44 12719.0000 12519.9375 1.57% - 0s 0 0 12520.5149 0 51 12719.0000 12520.5149 1.56% - 0s 0 0 12520.6426 0 57 12719.0000 12520.6426 1.56% - 0s 0 0 12521.7372 0 43 12719.0000 12521.7372 1.55% - 0s 0 0 12522.0043 0 48 12719.0000 12522.0043 1.55% - 0s 0 0 12522.5576 0 50 12719.0000 12522.5576 1.54% - 0s 0 0 12523.9000 0 42 12719.0000 12523.9000 1.53% - 0s 0 0 12524.2500 0 33 12719.0000 12524.2500 1.53% - 0s 0 0 12524.7529 0 53 12719.0000 12524.7529 1.53% - 0s 0 0 12525.4545 0 46 12719.0000 12525.4545 1.52% - 0s 0 0 12525.5580 0 55 12719.0000 12525.5580 1.52% - 0s 0 0 12526.3587 0 44 12719.0000 12526.3587 1.51% - 0s 0 0 12528.7241 0 54 12719.0000 12528.7241 1.50% - 0s 0 0 12528.8212 0 62 12719.0000 12528.8212 1.50% - 0s 0 0 12529.1486 0 54 12719.0000 12529.1486 1.49% - 0s 0 0 12529.3656 0 65 12719.0000 12529.3656 1.49% - 0s 0 0 12531.0000 0 38 12719.0000 12531.0000 1.48% - 0s 0 0 12531.6335 0 48 12719.0000 12531.6335 1.47% - 0s 0 0 12532.9348 0 49 12719.0000 12532.9348 1.46% - 0s 0 0 12533.2109 0 61 12719.0000 12533.2109 1.46% - 0s H 0 0 12718.000000 12533.2109 1.45% - 0s 0 2 12533.6667 0 61 12718.0000 12533.6667 1.45% - 0s * 20 10 18 12711.000000 12558.8523 1.20% 7.0 0s * 151 16 11 12710.000000 12654.6667 0.44% 6.2 0s Cutting planes: Gomory: 1 Zero half: 15 Mod-K: 3 Explored 189 nodes (1485 simplex iterations) in 0.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271000000000e+04, best bound 1.271000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (33, 47), (34, 41), (36, 46)] Optimize a model with 203 rows, 1128 columns and 43822 nonzeros Presolve time: 0.02s Presolved: 203 rows, 1128 columns, 43822 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12732.000000 12502.0000 1.81% - 0s 0 0 12502.3333 0 30 12732.0000 12502.3333 1.80% - 0s 0 0 12502.3333 0 22 12732.0000 12502.3333 1.80% - 0s 0 0 12516.8000 0 30 12732.0000 12516.8000 1.69% - 0s 0 0 12517.2143 0 40 12732.0000 12517.2143 1.69% - 0s 0 0 12519.1667 0 33 12732.0000 12519.1667 1.67% - 0s 0 0 12519.3111 0 39 12732.0000 12519.3111 1.67% - 0s 0 0 12519.9259 0 44 12732.0000 12519.9259 1.67% - 0s 0 0 12520.7667 0 43 12732.0000 12520.7667 1.66% - 0s 0 0 12520.8182 0 48 12732.0000 12520.8182 1.66% - 0s 0 0 12520.8583 0 57 12732.0000 12520.8583 1.66% - 0s 0 0 12521.8000 0 40 12732.0000 12521.8000 1.65% - 0s 0 0 12521.9041 0 45 12732.0000 12521.9041 1.65% - 0s 0 0 12522.3333 0 48 12732.0000 12522.3333 1.65% - 0s 0 0 12522.5298 0 57 12732.0000 12522.5298 1.65% - 0s 0 0 12523.4734 0 51 12732.0000 12523.4734 1.64% - 0s 0 0 12523.9507 0 60 12732.0000 12523.9507 1.63% - 0s 0 0 12524.2060 0 59 12732.0000 12524.2060 1.63% - 0s 0 0 12524.6791 0 60 12732.0000 12524.6791 1.63% - 0s 0 0 12524.8693 0 65 12732.0000 12524.8693 1.63% - 0s 0 0 12525.5332 0 57 12732.0000 12525.5332 1.62% - 0s H 0 0 12719.000000 12525.5332 1.52% - 0s 0 0 12526.0482 0 58 12719.0000 12526.0482 1.52% - 0s 0 0 12526.0919 0 61 12719.0000 12526.0919 1.52% - 0s 0 0 12526.6667 0 31 12719.0000 12526.6667 1.51% - 0s 0 0 12527.8892 0 66 12719.0000 12527.8892 1.50% - 0s 0 0 12528.0417 0 45 12719.0000 12528.0417 1.50% - 0s 0 0 12531.8338 0 54 12719.0000 12531.8338 1.47% - 0s 0 0 12532.5199 0 65 12719.0000 12532.5199 1.47% - 0s 0 0 12532.9021 0 65 12719.0000 12532.9021 1.46% - 0s 0 0 12532.9236 0 65 12719.0000 12532.9236 1.46% - 0s 0 0 12532.9287 0 63 12719.0000 12532.9287 1.46% - 0s 0 2 12533.2090 0 63 12719.0000 12533.2090 1.46% - 0s * 23 12 20 12718.000000 12572.7778 1.14% 5.4 0s * 52 24 9 12714.000000 12585.5000 1.01% 5.6 0s * 125 24 16 12711.000000 12601.4762 0.86% 5.0 0s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 2 Explored 273 nodes (1758 simplex iterations) in 0.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271100000000e+04, best bound 1.271100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 204 rows, 1128 columns and 44098 nonzeros Presolve time: 0.02s Presolved: 204 rows, 1128 columns, 44098 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.8571 0 35 47372.0000 12518.8571 73.6% - 0s 0 0 12519.2857 0 43 47372.0000 12519.2857 73.6% - 0s 0 0 12520.1667 0 33 47372.0000 12520.1667 73.6% - 0s 0 0 12520.3333 0 41 47372.0000 12520.3333 73.6% - 0s 0 0 12522.5000 0 35 47372.0000 12522.5000 73.6% - 0s 0 0 12522.5000 0 36 47372.0000 12522.5000 73.6% - 0s 0 0 12522.5735 0 44 47372.0000 12522.5735 73.6% - 0s H 0 0 12718.000000 12522.5735 1.54% - 0s 0 0 12522.6333 0 46 12718.0000 12522.6333 1.54% - 0s 0 0 12522.6333 0 22 12718.0000 12522.6333 1.54% - 0s 0 0 12522.6333 0 36 12718.0000 12522.6333 1.54% - 0s 0 0 12522.6449 0 46 12718.0000 12522.6449 1.54% - 0s 0 0 12522.7193 0 50 12718.0000 12522.7193 1.54% - 0s 0 0 12523.7333 0 43 12718.0000 12523.7333 1.53% - 0s 0 0 12523.8207 0 54 12718.0000 12523.8207 1.53% - 0s 0 0 12523.9593 0 50 12718.0000 12523.9593 1.53% - 0s H 0 0 12712.000000 12523.9593 1.48% - 0s 0 2 12524.1125 0 50 12712.0000 12524.1125 1.48% - 0s Cutting planes: Gomory: 1 Zero half: 10 Explored 250 nodes (1541 simplex iterations) in 0.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271200000000e+04, best bound 1.271200000000e+04, gap 0.0% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 205 rows, 1128 columns and 44329 nonzeros Presolve time: 0.02s Presolved: 205 rows, 1128 columns, 44329 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12816.000000 12502.0000 2.45% - 0s 0 0 12516.8000 0 30 12816.0000 12516.8000 2.33% - 0s 0 0 12516.8000 0 22 12816.0000 12516.8000 2.33% - 0s 0 0 12516.8000 0 30 12816.0000 12516.8000 2.33% - 0s 0 0 12517.2143 0 40 12816.0000 12517.2143 2.33% - 0s 0 0 12519.1667 0 33 12816.0000 12519.1667 2.32% - 0s H 0 0 12798.000000 12519.1667 2.18% - 0s 0 0 12519.3111 0 39 12798.0000 12519.3111 2.18% - 0s 0 0 12519.8796 0 44 12798.0000 12519.8796 2.17% - 0s 0 0 12522.2222 0 50 12798.0000 12522.2222 2.15% - 0s 0 0 12522.5897 0 50 12798.0000 12522.5897 2.15% - 0s 0 0 12522.6640 0 58 12798.0000 12522.6640 2.15% - 0s 0 0 12523.3117 0 51 12798.0000 12523.3117 2.15% - 0s 0 0 12523.3947 0 59 12798.0000 12523.3947 2.15% - 0s 0 0 12523.6919 0 50 12798.0000 12523.6919 2.14% - 0s 0 0 12523.9531 0 54 12798.0000 12523.9531 2.14% - 0s 0 0 12524.2500 0 33 12798.0000 12524.2500 2.14% - 0s 0 0 12524.2595 0 64 12798.0000 12524.2595 2.14% - 0s 0 0 12524.3501 0 65 12798.0000 12524.3501 2.14% - 0s 0 0 12524.7500 0 33 12798.0000 12524.7500 2.14% - 0s 0 0 12525.7647 0 42 12798.0000 12525.7647 2.13% - 0s 0 0 12526.1512 0 47 12798.0000 12526.1512 2.12% - 0s 0 0 12526.1857 0 51 12798.0000 12526.1857 2.12% - 0s 0 0 12526.2752 0 56 12798.0000 12526.2752 2.12% - 0s 0 0 12526.6246 0 63 12798.0000 12526.6246 2.12% - 0s 0 0 12527.1292 0 62 12798.0000 12527.1292 2.12% - 0s 0 0 12527.3272 0 58 12798.0000 12527.3272 2.11% - 0s 0 0 12527.6421 0 63 12798.0000 12527.6421 2.11% - 0s 0 0 12528.2314 0 62 12798.0000 12528.2314 2.11% - 0s 0 0 12528.5685 0 62 12798.0000 12528.5685 2.11% - 0s 0 0 12529.3146 0 64 12798.0000 12529.3146 2.10% - 0s 0 0 12529.5074 0 67 12798.0000 12529.5074 2.10% - 0s H 0 0 12775.000000 12529.5074 1.92% - 0s H 0 0 12719.000000 12529.5074 1.49% - 0s 0 2 12529.6036 0 67 12719.0000 12529.6036 1.49% - 0s * 56 27 9 12718.000000 12578.6458 1.10% 7.9 0s * 74 30 14 12716.000000 12581.0000 1.06% 7.2 0s * 198 33 13 12714.000000 12631.0000 0.65% 5.9 0s * 209 30 15 12712.000000 12635.3333 0.60% 5.9 0s Cutting planes: Gomory: 1 Zero half: 7 Mod-K: 5 Explored 309 nodes (2181 simplex iterations) in 1.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271200000000e+04, best bound 1.271200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 16), (10, 38), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 206 rows, 1128 columns and 44582 nonzeros Presolve time: 0.02s Presolved: 206 rows, 1128 columns, 44582 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12518.8571 0 35 47372.0000 12518.8571 73.6% - 0s 0 0 12519.2857 0 43 47372.0000 12519.2857 73.6% - 0s 0 0 12520.1667 0 33 47372.0000 12520.1667 73.6% - 0s 0 0 12520.5000 0 41 47372.0000 12520.5000 73.6% - 0s 0 0 12522.5000 0 36 47372.0000 12522.5000 73.6% - 0s 0 0 12522.7500 0 38 47372.0000 12522.7500 73.6% - 0s 0 0 12522.7633 0 52 47372.0000 12522.7633 73.6% - 0s 0 0 12523.6000 0 48 47372.0000 12523.6000 73.6% - 0s H 0 0 12718.000000 12523.6000 1.53% - 0s 0 0 12523.6750 0 46 12718.0000 12523.6750 1.53% - 0s 0 0 12523.6750 0 22 12718.0000 12523.6750 1.53% - 0s 0 0 12523.6750 0 48 12718.0000 12523.6750 1.53% - 0s 0 0 12523.6760 0 42 12718.0000 12523.6760 1.53% - 0s 0 0 12523.6925 0 58 12718.0000 12523.6925 1.53% - 0s 0 0 12523.9167 0 49 12718.0000 12523.9167 1.53% - 0s 0 0 12523.9804 0 48 12718.0000 12523.9804 1.53% - 0s 0 0 12523.9954 0 51 12718.0000 12523.9954 1.53% - 0s 0 0 12524.0089 0 60 12718.0000 12524.0089 1.53% - 0s 0 0 12524.2500 0 33 12718.0000 12524.2500 1.52% - 0s 0 0 12524.8735 0 51 12718.0000 12524.8735 1.52% - 0s 0 0 12525.0435 0 45 12718.0000 12525.0435 1.52% - 0s 0 0 12525.1366 0 50 12718.0000 12525.1366 1.52% - 0s 0 0 12525.1714 0 48 12718.0000 12525.1714 1.52% - 0s H 0 0 12714.000000 12525.1714 1.49% - 0s 0 2 12525.6645 0 48 12714.0000 12525.6645 1.48% - 0s * 273 0 16 12712.000000 12712.0000 0.0% 5.6 0s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 3 Explored 274 nodes (1848 simplex iterations) in 0.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271200000000e+04, best bound 1.271200000000e+04, gap 0.0% adding cut for [(33, 46), (4, 10), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 207 rows, 1128 columns and 44792 nonzeros Presolve time: 0.02s Presolved: 207 rows, 1128 columns, 44792 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12816.000000 12502.0000 2.45% - 0s 0 0 12516.8000 0 30 12816.0000 12516.8000 2.33% - 0s 0 0 12516.8000 0 22 12816.0000 12516.8000 2.33% - 0s 0 0 12516.8000 0 30 12816.0000 12516.8000 2.33% - 0s 0 0 12517.0357 0 40 12816.0000 12517.0357 2.33% - 0s 0 0 12519.1667 0 33 12816.0000 12519.1667 2.32% - 0s H 0 0 12719.000000 12519.1667 1.57% - 0s 0 0 12519.3111 0 39 12719.0000 12519.3111 1.57% - 0s 0 2 12533.8333 0 39 12719.0000 12533.8333 1.46% - 0s H 15 11 12716.000000 12548.2005 1.32% 0.0 0s * 142 42 22 12714.000000 12602.0000 0.88% 7.4 1s Cutting planes: Gomory: 8 Zero half: 9 Mod-K: 2 Explored 398 nodes (2574 simplex iterations) in 1.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271400000000e+04, best bound 1.271400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 208 rows, 1128 columns and 45117 nonzeros Presolve time: 0.03s Presolved: 208 rows, 1128 columns, 45117 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12516.8000 0 30 47372.0000 12516.8000 73.6% - 0s 0 0 12517.0000 0 40 47372.0000 12517.0000 73.6% - 0s 0 0 12519.5000 0 35 47372.0000 12519.5000 73.6% - 0s 0 0 12519.8333 0 43 47372.0000 12519.8333 73.6% - 0s 0 0 12520.1667 0 33 47372.0000 12520.1667 73.6% - 0s 0 0 12520.5000 0 41 47372.0000 12520.5000 73.6% - 0s 0 0 12522.5000 0 36 47372.0000 12522.5000 73.6% - 0s 0 0 12522.5000 0 35 47372.0000 12522.5000 73.6% - 0s 0 0 12522.5455 0 44 47372.0000 12522.5455 73.6% - 0s 0 0 12522.6111 0 44 47372.0000 12522.6111 73.6% - 0s 0 0 12522.8167 0 46 47372.0000 12522.8167 73.6% - 0s 0 0 12523.0625 0 54 47372.0000 12523.0625 73.6% - 0s 0 0 12523.5888 0 48 47372.0000 12523.5888 73.6% - 0s 0 0 12523.9046 0 56 47372.0000 12523.9046 73.6% - 0s 0 0 12524.2500 0 33 47372.0000 12524.2500 73.6% - 0s H 0 0 15600.000000 12524.2500 19.7% - 0s H 0 0 13048.000000 12524.2500 4.01% - 0s H 0 0 12714.000000 12524.2500 1.49% - 0s 0 0 12525.0832 0 53 12714.0000 12525.0832 1.49% - 0s 0 0 12525.0832 0 22 12714.0000 12525.0832 1.49% - 0s 0 0 12525.0832 0 33 12714.0000 12525.0832 1.49% - 0s 0 0 12525.0832 0 42 12714.0000 12525.0832 1.49% - 0s 0 0 12525.0832 0 50 12714.0000 12525.0832 1.49% - 0s 0 2 12526.6818 0 50 12714.0000 12526.6818 1.47% - 0s Cutting planes: Gomory: 1 Zero half: 7 Mod-K: 1 Explored 262 nodes (1782 simplex iterations) in 0.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271400000000e+04, best bound 1.271400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 209 rows, 1128 columns and 45393 nonzeros Presolve time: 0.03s Presolved: 209 rows, 1128 columns, 45393 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12733.000000 12502.0000 1.81% - 0s 0 0 12518.3529 0 42 12733.0000 12518.3529 1.69% - 0s 0 0 12518.3529 0 22 12733.0000 12518.3529 1.69% - 0s 0 0 12518.3971 0 42 12733.0000 12518.3971 1.69% - 0s H 0 0 12719.000000 12518.3971 1.58% - 0s 0 0 12520.7059 0 41 12719.0000 12520.7059 1.56% - 0s 0 0 12521.2206 0 49 12719.0000 12521.2206 1.55% - 0s 0 0 12521.6863 0 41 12719.0000 12521.6863 1.55% - 0s 0 0 12522.2000 0 50 12719.0000 12522.2000 1.55% - 0s 0 0 12524.4342 0 53 12719.0000 12524.4342 1.53% - 0s 0 0 12524.9813 0 44 12719.0000 12524.9813 1.53% - 0s 0 0 12525.0872 0 56 12719.0000 12525.0872 1.52% - 0s 0 0 12525.8250 0 43 12719.0000 12525.8250 1.52% - 0s 0 0 12526.2000 0 51 12719.0000 12526.2000 1.52% - 0s 0 0 12526.7031 0 50 12719.0000 12526.7031 1.51% - 0s 0 0 12526.8203 0 58 12719.0000 12526.8203 1.51% - 0s 0 0 12527.1705 0 62 12719.0000 12527.1705 1.51% - 0s 0 0 12527.6770 0 53 12719.0000 12527.6770 1.50% - 0s 0 0 12527.8835 0 59 12719.0000 12527.8835 1.50% - 0s 0 0 12528.8661 0 59 12719.0000 12528.8661 1.49% - 0s 0 0 12529.2982 0 53 12719.0000 12529.2982 1.49% - 0s H 0 0 12718.000000 12529.2982 1.48% - 0s 0 0 12529.4682 0 61 12718.0000 12529.4682 1.48% - 0s 0 0 12530.0970 0 59 12718.0000 12530.0970 1.48% - 0s 0 0 12530.2331 0 63 12718.0000 12530.2331 1.48% - 0s 0 0 12530.3349 0 66 12718.0000 12530.3349 1.48% - 0s 0 0 12532.2030 0 62 12718.0000 12532.2030 1.46% - 0s 0 0 12532.2958 0 61 12718.0000 12532.2958 1.46% - 0s 0 0 12532.4096 0 67 12718.0000 12532.4096 1.46% - 0s 0 0 12532.4844 0 72 12718.0000 12532.4844 1.46% - 0s 0 0 12533.6306 0 59 12718.0000 12533.6306 1.45% - 0s 0 0 12533.9027 0 65 12718.0000 12533.9027 1.45% - 0s 0 2 12534.3648 0 65 12718.0000 12534.3648 1.44% - 0s * 56 20 15 12715.000000 12576.1667 1.09% 6.0 0s * 229 21 6 12714.000000 12675.0000 0.31% 6.0 0s Cutting planes: Gomory: 1 Zero half: 22 Explored 267 nodes (1954 simplex iterations) in 0.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271400000000e+04, best bound 1.271400000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 210 rows, 1128 columns and 45603 nonzeros Presolve time: 0.03s Presolved: 210 rows, 1128 columns, 45603 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12518.3529 0 42 47372.0000 12518.3529 73.6% - 0s 0 0 12520.7059 0 41 47372.0000 12520.7059 73.6% - 0s 0 0 12521.1176 0 49 47372.0000 12521.1176 73.6% - 0s 0 0 12521.2941 0 40 47372.0000 12521.2941 73.6% - 0s 0 0 12522.0980 0 49 47372.0000 12522.0980 73.6% - 0s 0 0 12524.0588 0 43 47372.0000 12524.0588 73.6% - 0s 0 0 12524.5500 0 50 47372.0000 12524.5500 73.6% - 0s 0 0 12524.8077 0 54 47372.0000 12524.8077 73.6% - 0s 0 0 12526.5000 0 48 47372.0000 12526.5000 73.6% - 0s 0 0 12526.5536 0 58 47372.0000 12526.5536 73.6% - 0s 0 0 12526.5833 0 48 47372.0000 12526.5833 73.6% - 0s 0 0 12526.6458 0 56 47372.0000 12526.6458 73.6% - 0s H 0 0 15877.000000 12526.6458 21.1% - 0s 0 0 12526.6718 0 55 15877.0000 12526.6718 21.1% - 0s H 0 0 12718.000000 12526.6718 1.50% - 0s 0 0 12526.9245 0 59 12718.0000 12526.9245 1.50% - 0s 0 0 12526.9245 0 22 12718.0000 12526.9245 1.50% - 0s 0 0 12526.9245 0 56 12718.0000 12526.9245 1.50% - 0s 0 0 12527.0153 0 59 12718.0000 12527.0153 1.50% - 0s 0 0 12527.3737 0 64 12718.0000 12527.3737 1.50% - 0s 0 0 12528.0780 0 53 12718.0000 12528.0780 1.49% - 0s 0 0 12528.3766 0 63 12718.0000 12528.3766 1.49% - 0s 0 0 12529.1875 0 61 12718.0000 12529.1875 1.48% - 0s 0 0 12531.0833 0 46 12718.0000 12531.0833 1.47% - 0s 0 0 12531.2917 0 54 12718.0000 12531.2917 1.47% - 0s 0 0 12534.4370 0 57 12718.0000 12534.4370 1.44% - 0s 0 0 12534.7326 0 68 12718.0000 12534.7326 1.44% - 0s 0 0 12535.0588 0 54 12718.0000 12535.0588 1.44% - 0s 0 0 12535.3203 0 59 12718.0000 12535.3203 1.44% - 0s 0 0 12535.6667 0 65 12718.0000 12535.6667 1.43% - 0s 0 0 12535.8995 0 64 12718.0000 12535.8995 1.43% - 0s 0 0 12536.1859 0 66 12718.0000 12536.1859 1.43% - 0s 0 0 12536.3283 0 66 12718.0000 12536.3283 1.43% - 0s 0 0 12536.8227 0 70 12718.0000 12536.8227 1.42% - 0s 0 0 12537.7538 0 68 12718.0000 12537.7538 1.42% - 0s 0 0 12538.1702 0 72 12718.0000 12538.1702 1.41% - 0s 0 0 12538.3275 0 74 12718.0000 12538.3275 1.41% - 0s 0 0 12538.7962 0 70 12718.0000 12538.7962 1.41% - 0s 0 0 12539.5381 0 72 12718.0000 12539.5381 1.40% - 0s 0 0 12540.2012 0 75 12718.0000 12540.2012 1.40% - 0s 0 0 12542.3898 0 68 12718.0000 12542.3898 1.38% - 0s 0 0 12542.9341 0 70 12718.0000 12542.9341 1.38% - 0s 0 0 12543.6746 0 73 12718.0000 12543.6746 1.37% - 0s 0 0 12543.8324 0 70 12718.0000 12543.8324 1.37% - 0s 0 0 12544.2287 0 74 12718.0000 12544.2287 1.37% - 0s 0 0 12544.3853 0 75 12718.0000 12544.3853 1.37% - 0s 0 0 12545.3601 0 75 12718.0000 12545.3601 1.36% - 0s 0 0 12545.5709 0 75 12718.0000 12545.5709 1.36% - 0s 0 0 12546.0346 0 72 12718.0000 12546.0346 1.35% - 0s 0 0 12546.0751 0 82 12718.0000 12546.0751 1.35% - 0s 0 0 12546.5651 0 62 12718.0000 12546.5651 1.35% - 0s 0 0 12546.6493 0 67 12718.0000 12546.6493 1.35% - 0s 0 0 12546.6526 0 69 12718.0000 12546.6526 1.35% - 0s 0 2 12546.6841 0 69 12718.0000 12546.6841 1.35% - 1s * 86 36 17 12717.000000 12575.2815 1.11% 6.6 1s * 137 51 29 12714.000000 12597.0000 0.92% 6.3 1s Cutting planes: Gomory: 1 Zero half: 29 Mod-K: 6 Explored 317 nodes (2625 simplex iterations) in 1.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271400000000e+04, best bound 1.271400000000e+04, gap 0.0% adding cut for [(33, 46), (4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 211 rows, 1128 columns and 45793 nonzeros Presolve time: 0.03s Presolved: 211 rows, 1128 columns, 45793 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12806.000000 12502.0000 2.37% - 0s 0 0 12518.3529 0 42 12806.0000 12518.3529 2.25% - 0s 0 0 12518.3529 0 22 12806.0000 12518.3529 2.25% - 0s 0 0 12518.3971 0 42 12806.0000 12518.3971 2.25% - 0s 0 0 12520.7059 0 41 12806.0000 12520.7059 2.23% - 0s 0 0 12521.2206 0 49 12806.0000 12521.2206 2.22% - 0s 0 0 12521.2941 0 40 12806.0000 12521.2941 2.22% - 0s 0 0 12522.2000 0 50 12806.0000 12522.2000 2.22% - 0s 0 0 12524.4342 0 53 12806.0000 12524.4342 2.20% - 0s 0 0 12524.9812 0 44 12806.0000 12524.9812 2.19% - 0s 0 0 12525.2616 0 56 12806.0000 12525.2616 2.19% - 0s 0 0 12525.9137 0 51 12806.0000 12525.9137 2.19% - 0s 0 0 12526.2000 0 51 12806.0000 12526.2000 2.18% - 0s 0 0 12526.8925 0 61 12806.0000 12526.8925 2.18% - 0s 0 0 12527.1250 0 37 12806.0000 12527.1250 2.18% - 0s 0 0 12527.2589 0 45 12806.0000 12527.2589 2.18% - 0s 0 0 12529.1818 0 49 12806.0000 12529.1818 2.16% - 0s 0 0 12529.2405 0 57 12806.0000 12529.2405 2.16% - 0s 0 0 12529.6364 0 49 12806.0000 12529.6364 2.16% - 0s 0 0 12529.6694 0 58 12806.0000 12529.6694 2.16% - 0s 0 0 12529.7516 0 55 12806.0000 12529.7516 2.16% - 0s 0 0 12529.9716 0 62 12806.0000 12529.9716 2.16% - 0s 0 0 12530.3404 0 62 12806.0000 12530.3404 2.15% - 0s 0 0 12531.2239 0 65 12806.0000 12531.2239 2.15% - 0s 0 0 12531.7579 0 60 12806.0000 12531.7579 2.14% - 0s 0 0 12532.2173 0 65 12806.0000 12532.2173 2.14% - 0s 0 0 12532.4334 0 69 12806.0000 12532.4334 2.14% - 0s 0 0 12533.4655 0 61 12806.0000 12533.4655 2.13% - 0s 0 0 12533.9553 0 65 12806.0000 12533.9553 2.12% - 0s 0 0 12534.3485 0 62 12806.0000 12534.3485 2.12% - 0s 0 0 12534.5579 0 70 12806.0000 12534.5579 2.12% - 0s 0 0 12536.3699 0 61 12806.0000 12536.3699 2.11% - 0s 0 0 12538.2195 0 60 12806.0000 12538.2195 2.09% - 0s 0 0 12538.8154 0 62 12806.0000 12538.8154 2.09% - 0s 0 0 12538.9050 0 68 12806.0000 12538.9050 2.09% - 0s 0 0 12539.0431 0 67 12806.0000 12539.0431 2.08% - 0s H 0 0 12801.000000 12539.0431 2.05% - 0s 0 0 12539.5630 0 66 12801.0000 12539.5630 2.04% - 0s 0 0 12539.8296 0 75 12801.0000 12539.8296 2.04% - 0s 0 0 12540.8732 0 65 12801.0000 12540.8732 2.03% - 0s 0 0 12541.0531 0 68 12801.0000 12541.0531 2.03% - 0s 0 0 12541.1882 0 71 12801.0000 12541.1882 2.03% - 0s 0 0 12541.2270 0 73 12801.0000 12541.2270 2.03% - 0s H 0 0 12718.000000 12541.2270 1.39% - 0s 0 2 12541.3707 0 73 12718.0000 12541.3707 1.39% - 1s * 165 33 14 12715.000000 12624.8889 0.71% 6.1 1s Cutting planes: Gomory: 2 Zero half: 24 Explored 283 nodes (2209 simplex iterations) in 1.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271500000000e+04, best bound 1.271400000000e+04, gap 0.0079% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 23), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 212 rows, 1128 columns and 46024 nonzeros Presolve time: 0.03s Presolved: 212 rows, 1128 columns, 46024 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12819.000000 12502.0000 2.47% - 0s 0 0 12518.3529 0 42 12819.0000 12518.3529 2.35% - 0s 0 0 12518.3529 0 22 12819.0000 12518.3529 2.35% - 0s 0 0 12518.3971 0 42 12819.0000 12518.3971 2.34% - 0s 0 0 12520.7059 0 41 12819.0000 12520.7059 2.33% - 0s 0 0 12521.2206 0 49 12819.0000 12521.2206 2.32% - 0s H 0 0 12719.000000 12521.2206 1.55% - 0s 0 0 12521.6863 0 41 12719.0000 12521.6863 1.55% - 0s 0 2 12534.5000 0 41 12719.0000 12534.5000 1.45% - 0s * 48 20 24 12716.000000 12568.1292 1.16% 11.9 1s Cutting planes: Gomory: 10 Zero half: 23 Mod-K: 2 Explored 289 nodes (2088 simplex iterations) in 1.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271600000000e+04, best bound 1.271600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (13, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 213 rows, 1128 columns and 46349 nonzeros Presolve time: 0.03s Presolved: 213 rows, 1128 columns, 46349 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12925.000000 12502.0000 3.27% - 0s 0 0 12518.3529 0 42 12925.0000 12518.3529 3.15% - 0s 0 0 12518.3529 0 22 12925.0000 12518.3529 3.15% - 0s H 0 0 12885.000000 12518.3529 2.85% - 0s H 0 0 12718.000000 12518.3529 1.57% - 0s 0 0 12518.3529 0 42 12718.0000 12518.3529 1.57% - 0s 0 2 12531.5000 0 42 12718.0000 12531.5000 1.47% - 0s * 61 24 25 12716.000000 12571.7980 1.13% 9.1 0s Cutting planes: Gomory: 7 Zero half: 8 Explored 326 nodes (1842 simplex iterations) in 1.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271600000000e+04, best bound 1.271600000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 214 rows, 1128 columns and 46559 nonzeros Presolve time: 0.03s Presolved: 214 rows, 1128 columns, 46559 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12518.3529 0 42 47372.0000 12518.3529 73.6% - 0s 0 0 12520.7059 0 41 47372.0000 12520.7059 73.6% - 0s 0 0 12521.1176 0 49 47372.0000 12521.1176 73.6% - 0s 0 0 12521.2941 0 40 47372.0000 12521.2941 73.6% - 0s 0 0 12522.0980 0 49 47372.0000 12522.0980 73.6% - 0s 0 0 12524.0588 0 43 47372.0000 12524.0588 73.6% - 0s 0 0 12524.5500 0 50 47372.0000 12524.5500 73.6% - 0s 0 0 12524.8077 0 54 47372.0000 12524.8077 73.6% - 0s 0 0 12526.5000 0 48 47372.0000 12526.5000 73.6% - 0s 0 0 12526.5536 0 58 47372.0000 12526.5536 73.6% - 0s 0 0 12526.5833 0 48 47372.0000 12526.5833 73.6% - 0s 0 0 12526.6458 0 56 47372.0000 12526.6458 73.6% - 0s 0 0 12526.6718 0 55 47372.0000 12526.6718 73.6% - 0s H 0 0 12718.000000 12526.6718 1.50% - 0s 0 0 12526.9245 0 59 12718.0000 12526.9245 1.50% - 0s 0 0 12526.9245 0 22 12718.0000 12526.9245 1.50% - 0s 0 0 12526.9245 0 56 12718.0000 12526.9245 1.50% - 0s 0 0 12527.0153 0 59 12718.0000 12527.0153 1.50% - 0s 0 0 12527.4983 0 64 12718.0000 12527.4983 1.50% - 0s 0 0 12527.8696 0 61 12718.0000 12527.8696 1.49% - 0s 0 0 12530.5448 0 57 12718.0000 12530.5448 1.47% - 0s 0 0 12530.8247 0 58 12718.0000 12530.8247 1.47% - 0s 0 0 12531.0394 0 54 12718.0000 12531.0394 1.47% - 0s 0 0 12531.2474 0 62 12718.0000 12531.2474 1.47% - 0s 0 0 12531.6345 0 60 12718.0000 12531.6345 1.47% - 0s 0 0 12531.7795 0 63 12718.0000 12531.7795 1.46% - 0s 0 0 12531.8259 0 69 12718.0000 12531.8259 1.46% - 0s 0 0 12532.0293 0 65 12718.0000 12532.0293 1.46% - 0s 0 0 12532.3067 0 65 12718.0000 12532.3067 1.46% - 0s 0 0 12532.9528 0 62 12718.0000 12532.9528 1.46% - 0s 0 0 12533.0900 0 70 12718.0000 12533.0900 1.45% - 0s 0 2 12535.0924 0 70 12718.0000 12535.0924 1.44% - 0s * 47 21 10 12717.000000 12576.5577 1.10% 6.9 0s * 209 39 8 12716.000000 12636.5000 0.63% 6.2 1s Cutting planes: Gomory: 1 Zero half: 19 Explored 293 nodes (2137 simplex iterations) in 1.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271600000000e+04, best bound 1.271600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 215 rows, 1128 columns and 46884 nonzeros Presolve time: 0.03s Presolved: 215 rows, 1128 columns, 46884 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12518.3529 0 42 47372.0000 12518.3529 73.6% - 0s 0 0 12520.7059 0 41 47372.0000 12520.7059 73.6% - 0s 0 0 12521.1176 0 49 47372.0000 12521.1176 73.6% - 0s 0 0 12521.2941 0 40 47372.0000 12521.2941 73.6% - 0s 0 0 12522.0980 0 49 47372.0000 12522.0980 73.6% - 0s 0 0 12524.0588 0 43 47372.0000 12524.0588 73.6% - 0s 0 0 12524.5500 0 50 47372.0000 12524.5500 73.6% - 0s 0 0 12524.8077 0 54 47372.0000 12524.8077 73.6% - 0s 0 0 12526.5000 0 48 47372.0000 12526.5000 73.6% - 0s 0 0 12526.5536 0 58 47372.0000 12526.5536 73.6% - 0s 0 0 12526.5833 0 48 47372.0000 12526.5833 73.6% - 0s 0 0 12526.6458 0 56 47372.0000 12526.6458 73.6% - 0s 0 0 12526.6718 0 55 47372.0000 12526.6718 73.6% - 0s H 0 0 12718.000000 12526.6718 1.50% - 0s 0 0 12526.9245 0 59 12718.0000 12526.9245 1.50% - 0s 0 0 12526.9245 0 22 12718.0000 12526.9245 1.50% - 0s 0 0 12526.9245 0 56 12718.0000 12526.9245 1.50% - 0s 0 0 12527.0153 0 59 12718.0000 12527.0153 1.50% - 0s 0 0 12527.4983 0 64 12718.0000 12527.4983 1.50% - 0s 0 0 12527.8696 0 61 12718.0000 12527.8696 1.49% - 0s 0 0 12530.5448 0 57 12718.0000 12530.5448 1.47% - 0s 0 0 12530.8247 0 58 12718.0000 12530.8247 1.47% - 0s 0 0 12531.0394 0 54 12718.0000 12531.0394 1.47% - 0s 0 0 12531.2474 0 62 12718.0000 12531.2474 1.47% - 0s 0 0 12531.6345 0 60 12718.0000 12531.6345 1.47% - 0s 0 0 12531.7795 0 63 12718.0000 12531.7795 1.46% - 0s 0 0 12531.8259 0 69 12718.0000 12531.8259 1.46% - 0s 0 0 12532.0293 0 65 12718.0000 12532.0293 1.46% - 0s 0 0 12532.3067 0 65 12718.0000 12532.3067 1.46% - 0s 0 0 12532.9528 0 62 12718.0000 12532.9528 1.46% - 0s 0 0 12533.0900 0 70 12718.0000 12533.0900 1.45% - 0s 0 2 12535.0924 0 70 12718.0000 12535.0924 1.44% - 0s * 47 21 10 12717.000000 12576.5577 1.10% 6.9 0s * 223 34 10 12716.000000 12647.3333 0.54% 6.4 1s Cutting planes: Gomory: 1 Zero half: 19 Explored 291 nodes (2161 simplex iterations) in 1.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271600000000e+04, best bound 1.271600000000e+04, gap 0.0% adding cut for [(2, 10), (2, 40), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 216 rows, 1128 columns and 47184 nonzeros Presolve time: 0.03s Presolved: 216 rows, 1128 columns, 47184 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12745.000000 12502.0000 1.91% - 0s 0 0 12518.3529 0 42 12745.0000 12518.3529 1.78% - 0s 0 0 12518.3529 0 22 12745.0000 12518.3529 1.78% - 0s 0 0 12518.3971 0 42 12745.0000 12518.3971 1.78% - 0s 0 0 12520.7059 0 41 12745.0000 12520.7059 1.76% - 0s H 0 0 12719.000000 12520.7059 1.56% - 0s 0 0 12521.2206 0 49 12719.0000 12521.2206 1.55% - 0s 0 0 12521.6863 0 41 12719.0000 12521.6863 1.55% - 0s 0 0 12522.2000 0 50 12719.0000 12522.2000 1.55% - 0s 0 0 12524.4342 0 53 12719.0000 12524.4342 1.53% - 0s 0 0 12524.9813 0 44 12719.0000 12524.9813 1.53% - 0s 0 0 12525.2616 0 56 12719.0000 12525.2616 1.52% - 0s 0 0 12526.2750 0 43 12719.0000 12526.2750 1.52% - 0s 0 0 12526.6500 0 51 12719.0000 12526.6500 1.51% - 0s 0 0 12526.8750 0 44 12719.0000 12526.8750 1.51% - 0s 0 0 12526.9714 0 51 12719.0000 12526.9714 1.51% - 0s 0 0 12527.1562 0 54 12719.0000 12527.1562 1.51% - 0s 0 0 12527.1984 0 57 12719.0000 12527.1984 1.51% - 0s 0 0 12527.5586 0 62 12719.0000 12527.5586 1.51% - 0s 0 0 12528.1628 0 41 12719.0000 12528.1628 1.50% - 0s 0 0 12528.5558 0 46 12719.0000 12528.5558 1.50% - 0s 0 0 12528.7538 0 54 12719.0000 12528.7538 1.50% - 0s 0 0 12528.9051 0 60 12719.0000 12528.9051 1.49% - 0s 0 0 12529.7838 0 58 12719.0000 12529.7838 1.49% - 0s 0 0 12530.3859 0 57 12719.0000 12530.3859 1.48% - 0s 0 0 12530.4978 0 62 12719.0000 12530.4978 1.48% - 0s 0 0 12530.6036 0 66 12719.0000 12530.6036 1.48% - 0s 0 0 12531.8562 0 55 12719.0000 12531.8562 1.47% - 0s 0 0 12532.5208 0 53 12719.0000 12532.5208 1.47% - 0s 0 0 12532.5745 0 61 12719.0000 12532.5745 1.47% - 0s 0 0 12532.8044 0 65 12719.0000 12532.8044 1.46% - 0s 0 0 12533.3919 0 61 12719.0000 12533.3919 1.46% - 0s 0 0 12533.6096 0 66 12719.0000 12533.6096 1.46% - 0s 0 0 12536.2362 0 60 12719.0000 12536.2362 1.44% - 0s 0 0 12536.6005 0 62 12719.0000 12536.6005 1.43% - 0s 0 0 12536.8471 0 66 12719.0000 12536.8471 1.43% - 0s 0 0 12537.0934 0 66 12719.0000 12537.0934 1.43% - 0s 0 0 12537.2385 0 65 12719.0000 12537.2385 1.43% - 0s 0 0 12538.5679 0 54 12719.0000 12538.5679 1.42% - 0s 0 0 12539.7097 0 65 12719.0000 12539.7097 1.41% - 0s 0 0 12540.0227 0 66 12719.0000 12540.0227 1.41% - 0s 0 0 12540.8571 0 66 12719.0000 12540.8571 1.40% - 0s 0 0 12541.2589 0 59 12719.0000 12541.2589 1.40% - 0s 0 0 12541.2756 0 59 12719.0000 12541.2756 1.40% - 0s 0 0 12541.2852 0 74 12719.0000 12541.2852 1.40% - 0s 0 0 12541.8284 0 69 12719.0000 12541.8284 1.39% - 0s 0 0 12541.9765 0 74 12719.0000 12541.9765 1.39% - 0s 0 0 12542.1651 0 73 12719.0000 12542.1651 1.39% - 0s 0 0 12542.6956 0 75 12719.0000 12542.6956 1.39% - 0s 0 0 12543.5192 0 75 12719.0000 12543.5192 1.38% - 0s 0 0 12543.9551 0 71 12719.0000 12543.9551 1.38% - 0s 0 0 12544.0651 0 69 12719.0000 12544.0651 1.38% - 0s 0 0 12544.1110 0 74 12719.0000 12544.1110 1.38% - 0s 0 0 12544.2079 0 74 12719.0000 12544.2079 1.37% - 0s H 0 0 12718.000000 12544.2079 1.37% - 1s 0 2 12544.2102 0 74 12718.0000 12544.2102 1.37% - 1s * 125 57 13 12717.000000 12597.0000 0.94% 5.8 1s Cutting planes: Gomory: 1 Zero half: 40 Explored 366 nodes (2961 simplex iterations) in 1.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271700000000e+04, best bound 1.271700000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 217 rows, 1128 columns and 47437 nonzeros Presolve time: 0.03s Presolved: 217 rows, 1128 columns, 47437 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12821.000000 12502.0000 2.49% - 0s 0 0 12518.3529 0 42 12821.0000 12518.3529 2.36% - 0s 0 0 12518.3529 0 22 12821.0000 12518.3529 2.36% - 0s H 0 0 12759.000000 12518.3529 1.89% - 0s 0 0 12518.3971 0 42 12759.0000 12518.3971 1.89% - 0s 0 0 12520.7059 0 41 12759.0000 12520.7059 1.87% - 0s H 0 0 12733.000000 12520.7059 1.67% - 0s 0 2 12534.5000 0 41 12733.0000 12534.5000 1.56% - 0s H 1 2 12719.000000 12534.5000 1.45% 0.0 0s * 78 20 26 12717.000000 12577.8333 1.09% 9.3 1s Cutting planes: Gomory: 10 MIR: 2 Zero half: 10 Explored 291 nodes (2087 simplex iterations) in 1.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271700000000e+04, best bound 1.271700000000e+04, gap 0.0% adding cut for [(2, 10), (2, 40), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 218 rows, 1128 columns and 47713 nonzeros Presolve time: 0.03s Presolved: 218 rows, 1128 columns, 47713 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12745.000000 12502.0000 1.91% - 0s 0 0 12518.3529 0 42 12745.0000 12518.3529 1.78% - 0s 0 0 12518.3529 0 22 12745.0000 12518.3529 1.78% - 0s 0 0 12518.3971 0 42 12745.0000 12518.3971 1.78% - 0s 0 0 12520.7059 0 41 12745.0000 12520.7059 1.76% - 0s 0 0 12521.2206 0 49 12745.0000 12521.2206 1.76% - 0s 0 0 12521.6863 0 41 12745.0000 12521.6863 1.75% - 0s H 0 0 12719.000000 12521.6863 1.55% - 0s 0 0 12522.2000 0 50 12719.0000 12522.2000 1.55% - 0s 0 0 12524.4342 0 53 12719.0000 12524.4342 1.53% - 0s 0 0 12524.9813 0 44 12719.0000 12524.9813 1.53% - 0s 0 0 12525.2616 0 56 12719.0000 12525.2616 1.52% - 0s 0 0 12526.2750 0 43 12719.0000 12526.2750 1.52% - 0s 0 0 12526.6500 0 51 12719.0000 12526.6500 1.51% - 0s 0 0 12526.8750 0 44 12719.0000 12526.8750 1.51% - 0s 0 0 12526.9714 0 51 12719.0000 12526.9714 1.51% - 0s 0 0 12527.1562 0 54 12719.0000 12527.1562 1.51% - 0s 0 0 12527.1984 0 57 12719.0000 12527.1984 1.51% - 0s 0 0 12527.5586 0 62 12719.0000 12527.5586 1.51% - 0s 0 0 12528.1628 0 41 12719.0000 12528.1628 1.50% - 0s 0 0 12528.5558 0 46 12719.0000 12528.5558 1.50% - 0s 0 0 12528.7538 0 54 12719.0000 12528.7538 1.50% - 0s 0 0 12528.9051 0 60 12719.0000 12528.9051 1.49% - 0s 0 0 12529.7838 0 58 12719.0000 12529.7838 1.49% - 0s 0 0 12530.3859 0 57 12719.0000 12530.3859 1.48% - 0s 0 0 12530.4978 0 62 12719.0000 12530.4978 1.48% - 0s 0 0 12530.6036 0 66 12719.0000 12530.6036 1.48% - 0s 0 0 12531.8562 0 55 12719.0000 12531.8562 1.47% - 0s 0 0 12532.5208 0 53 12719.0000 12532.5208 1.47% - 0s 0 0 12532.5745 0 61 12719.0000 12532.5745 1.47% - 0s 0 0 12532.8044 0 65 12719.0000 12532.8044 1.46% - 0s 0 0 12533.3919 0 61 12719.0000 12533.3919 1.46% - 0s 0 0 12533.6096 0 66 12719.0000 12533.6096 1.46% - 0s 0 0 12536.2384 0 58 12719.0000 12536.2384 1.44% - 0s 0 0 12536.6474 0 60 12719.0000 12536.6474 1.43% - 0s 0 0 12537.6105 0 68 12719.0000 12537.6105 1.43% - 0s 0 0 12537.9127 0 68 12719.0000 12537.9127 1.42% - 0s 0 0 12537.9505 0 71 12719.0000 12537.9505 1.42% - 0s 0 0 12538.2460 0 69 12719.0000 12538.2460 1.42% - 0s 0 0 12538.5528 0 70 12719.0000 12538.5528 1.42% - 0s 0 0 12538.5708 0 76 12719.0000 12538.5708 1.42% - 0s 0 0 12538.6759 0 76 12719.0000 12538.6759 1.42% - 0s 0 0 12538.7067 0 74 12719.0000 12538.7067 1.42% - 0s H 0 0 12718.000000 12538.7067 1.41% - 0s 0 2 12538.8450 0 74 12718.0000 12538.8450 1.41% - 0s * 108 33 9 12717.000000 12590.2857 1.00% 7.2 1s Cutting planes: Gomory: 1 Zero half: 29 Mod-K: 3 Explored 280 nodes (2325 simplex iterations) in 1.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271700000000e+04, best bound 1.271600000000e+04, gap 0.0079% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 219 rows, 1128 columns and 47966 nonzeros Presolve time: 0.03s Presolved: 219 rows, 1128 columns, 47966 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12787.000000 12502.0000 2.23% - 0s 0 0 12523.8000 0 29 12787.0000 12523.8000 2.06% - 0s 0 0 12523.8000 0 22 12787.0000 12523.8000 2.06% - 0s 0 0 12523.8000 0 29 12787.0000 12523.8000 2.06% - 0s H 0 0 12719.000000 12523.8000 1.53% - 0s 0 0 12524.3000 0 37 12719.0000 12524.3000 1.53% - 0s 0 2 12543.5000 0 37 12719.0000 12543.5000 1.38% - 0s * 52 21 24 12718.000000 12575.5676 1.12% 11.5 1s Cutting planes: Gomory: 8 Zero half: 11 Mod-K: 4 Explored 361 nodes (2333 simplex iterations) in 1.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271800000000e+04, best bound 1.271800000000e+04, gap 0.0% adding cut for [(2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 220 rows, 1128 columns and 48197 nonzeros Presolve time: 0.03s Presolved: 220 rows, 1128 columns, 48197 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12862.000000 12502.0000 2.80% - 0s 0 0 12502.3333 0 30 12862.0000 12502.3333 2.80% - 0s 0 0 12502.3333 0 22 12862.0000 12502.3333 2.80% - 0s 0 0 12519.7000 0 37 12862.0000 12519.7000 2.66% - 0s 0 0 12520.8000 0 35 12862.0000 12520.8000 2.65% - 0s 0 0 12520.9144 0 44 12862.0000 12520.9144 2.65% - 0s 0 0 12522.2308 0 35 12862.0000 12522.2308 2.64% - 0s H 0 0 12758.000000 12522.2308 1.85% - 0s 0 0 12524.0000 0 41 12758.0000 12524.0000 1.83% - 0s 0 2 12533.8333 0 41 12758.0000 12533.8333 1.76% - 0s H 1 2 12719.000000 12533.8333 1.46% 0.0 0s * 96 18 18 12718.000000 12583.5000 1.06% 8.4 1s Cutting planes: Gomory: 11 MIR: 2 Zero half: 19 Explored 273 nodes (2015 simplex iterations) in 1.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271800000000e+04, best bound 1.271800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 221 rows, 1128 columns and 48450 nonzeros Presolve time: 0.03s Presolved: 221 rows, 1128 columns, 48450 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12519.6000 0 37 47372.0000 12519.6000 73.6% - 0s 0 0 12520.4545 0 43 47372.0000 12520.4545 73.6% - 0s 0 0 12522.1818 0 33 47372.0000 12522.1818 73.6% - 0s 0 0 12524.0000 0 50 47372.0000 12524.0000 73.6% - 0s 0 0 12524.5333 0 41 47372.0000 12524.5333 73.6% - 0s 0 0 12524.6555 0 54 47372.0000 12524.6555 73.6% - 0s 0 0 12524.6667 0 30 47372.0000 12524.6667 73.6% - 0s 0 0 12528.4762 0 45 47372.0000 12528.4762 73.6% - 0s 0 0 12529.4667 0 51 47372.0000 12529.4667 73.6% - 0s 0 0 12529.7778 0 51 47372.0000 12529.7778 73.6% - 0s 0 0 12529.9286 0 40 47372.0000 12529.9286 73.5% - 0s H 0 0 13989.000000 12529.9286 10.4% - 0s 0 0 12529.9490 0 57 13989.0000 12529.9490 10.4% - 0s 0 0 12530.0194 0 54 13989.0000 12530.0194 10.4% - 0s 0 0 12530.0311 0 62 13989.0000 12530.0311 10.4% - 0s 0 0 12530.6343 0 63 13989.0000 12530.6343 10.4% - 0s 0 0 12531.3238 0 60 13989.0000 12531.3238 10.4% - 0s 0 0 12531.4288 0 65 13989.0000 12531.4288 10.4% - 0s 0 0 12532.2490 0 61 13989.0000 12532.2490 10.4% - 0s 0 0 12532.5184 0 62 13989.0000 12532.5184 10.4% - 0s 0 0 12532.6926 0 64 13989.0000 12532.6926 10.4% - 0s 0 0 12533.3901 0 63 13989.0000 12533.3901 10.4% - 0s 0 0 12533.5438 0 66 13989.0000 12533.5438 10.4% - 0s 0 0 12533.6029 0 69 13989.0000 12533.6029 10.4% - 0s 0 0 12534.3625 0 71 13989.0000 12534.3625 10.4% - 0s 0 0 12534.5845 0 64 13989.0000 12534.5845 10.4% - 0s 0 0 12536.7271 0 58 13989.0000 12536.7271 10.4% - 0s 0 0 12536.9532 0 53 13989.0000 12536.9532 10.4% - 0s 0 0 12537.1769 0 62 13989.0000 12537.1769 10.4% - 0s 0 0 12537.6381 0 65 13989.0000 12537.6381 10.4% - 0s 0 0 12538.7707 0 63 13989.0000 12538.7707 10.4% - 0s 0 0 12538.7831 0 69 13989.0000 12538.7831 10.4% - 0s 0 0 12538.8870 0 68 13989.0000 12538.8870 10.4% - 0s 0 0 12538.8919 0 66 13989.0000 12538.8919 10.4% - 0s 0 0 12539.0169 0 65 13989.0000 12539.0169 10.4% - 1s 0 0 12539.0595 0 65 13989.0000 12539.0595 10.4% - 1s 0 0 12539.0595 0 65 13989.0000 12539.0595 10.4% - 1s H 0 0 13794.000000 12539.0595 9.10% - 1s H 0 0 13793.000000 12539.0595 9.09% - 1s H 0 0 13420.000000 12539.0595 6.56% - 1s H 0 0 12718.000000 12539.0595 1.41% - 1s 0 0 12539.0595 0 22 12718.0000 12539.0595 1.41% - 1s 0 0 12539.0595 0 35 12718.0000 12539.0595 1.41% - 1s 0 0 12539.0595 0 57 12718.0000 12539.0595 1.41% - 1s 0 0 12539.5123 0 59 12718.0000 12539.5123 1.40% - 1s 0 0 12539.5337 0 62 12718.0000 12539.5337 1.40% - 1s 0 0 12539.5859 0 63 12718.0000 12539.5859 1.40% - 1s 0 0 12539.5859 0 63 12718.0000 12539.5859 1.40% - 1s 0 2 12539.6232 0 63 12718.0000 12539.6232 1.40% - 1s Cutting planes: Gomory: 1 Zero half: 16 Explored 222 nodes (1658 simplex iterations) in 1.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271800000000e+04, best bound 1.271800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 222 rows, 1128 columns and 48750 nonzeros Presolve time: 0.03s Presolved: 222 rows, 1128 columns, 48750 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12758.000000 12502.0000 2.01% - 0s 0 0 12502.3333 0 30 12758.0000 12502.3333 2.00% - 0s 0 0 12502.3333 0 22 12758.0000 12502.3333 2.00% - 0s 0 0 12502.4167 0 30 12758.0000 12502.4167 2.00% - 0s 0 0 12517.5750 0 37 12758.0000 12517.5750 1.88% - 0s 0 0 12519.8563 0 48 12758.0000 12519.8563 1.87% - 0s 0 0 12524.4907 0 51 12758.0000 12524.4907 1.83% - 0s 0 0 12527.1429 0 42 12758.0000 12527.1429 1.81% - 0s 0 0 12527.2527 0 50 12758.0000 12527.2527 1.81% - 0s 0 0 12527.4737 0 49 12758.0000 12527.4737 1.81% - 0s 0 0 12527.5666 0 57 12758.0000 12527.5666 1.81% - 0s 0 0 12528.0000 0 39 12758.0000 12528.0000 1.80% - 0s 0 0 12528.2034 0 53 12758.0000 12528.2034 1.80% - 0s 0 0 12528.4364 0 50 12758.0000 12528.4364 1.80% - 0s 0 0 12528.5225 0 58 12758.0000 12528.5225 1.80% - 0s 0 0 12529.0385 0 46 12758.0000 12529.0385 1.79% - 0s 0 0 12529.0610 0 51 12758.0000 12529.0610 1.79% - 0s 0 0 12529.1183 0 59 12758.0000 12529.1183 1.79% - 0s H 0 0 12719.000000 12529.1183 1.49% - 0s 0 0 12529.2778 0 53 12719.0000 12529.2778 1.49% - 0s 0 0 12529.3710 0 53 12719.0000 12529.3710 1.49% - 0s 0 0 12529.4704 0 62 12719.0000 12529.4704 1.49% - 0s 0 0 12530.3077 0 60 12719.0000 12530.3077 1.48% - 0s 0 0 12531.8281 0 54 12719.0000 12531.8281 1.47% - 0s 0 0 12531.8512 0 56 12719.0000 12531.8512 1.47% - 0s 0 0 12532.1991 0 58 12719.0000 12532.1991 1.47% - 0s 0 0 12532.2768 0 62 12719.0000 12532.2768 1.47% - 0s 0 0 12532.6128 0 63 12719.0000 12532.6128 1.47% - 0s 0 0 12532.8324 0 57 12719.0000 12532.8324 1.46% - 0s 0 0 12532.8683 0 60 12719.0000 12532.8683 1.46% - 0s 0 0 12533.1113 0 65 12719.0000 12533.1113 1.46% - 0s 0 0 12533.5752 0 67 12719.0000 12533.5752 1.46% - 0s 0 0 12533.8256 0 64 12719.0000 12533.8256 1.46% - 0s 0 0 12533.8886 0 62 12719.0000 12533.8886 1.46% - 0s 0 0 12533.9965 0 74 12719.0000 12533.9965 1.45% - 0s 0 0 12534.1997 0 71 12719.0000 12534.1997 1.45% - 0s 0 0 12534.5704 0 68 12719.0000 12534.5704 1.45% - 0s 0 0 12535.1855 0 61 12719.0000 12535.1855 1.45% - 0s 0 0 12535.3231 0 66 12719.0000 12535.3231 1.44% - 0s 0 0 12535.5404 0 76 12719.0000 12535.5404 1.44% - 0s 0 0 12536.1530 0 79 12719.0000 12536.1530 1.44% - 0s 0 0 12537.6869 0 69 12719.0000 12537.6869 1.43% - 0s 0 0 12538.2136 0 67 12719.0000 12538.2136 1.42% - 0s 0 0 12538.2648 0 67 12719.0000 12538.2648 1.42% - 0s 0 2 12539.9630 0 67 12719.0000 12539.9630 1.41% - 1s * 55 20 12 12718.000000 12581.4211 1.07% 7.3 1s Cutting planes: Gomory: 1 Zero half: 27 Explored 417 nodes (2865 simplex iterations) in 1.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271800000000e+04, best bound 1.271800000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 223 rows, 1128 columns and 49003 nonzeros Presolve time: 0.03s Presolved: 223 rows, 1128 columns, 49003 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12827.000000 12502.0000 2.53% - 0s 0 0 12502.3333 0 30 12827.0000 12502.3333 2.53% - 0s 0 0 12502.3333 0 22 12827.0000 12502.3333 2.53% - 0s 0 0 12502.4167 0 30 12827.0000 12502.4167 2.53% - 0s 0 0 12520.8000 0 35 12827.0000 12520.8000 2.39% - 0s 0 0 12520.9081 0 44 12827.0000 12520.9081 2.39% - 0s 0 0 12522.0000 0 27 12827.0000 12522.0000 2.38% - 0s 0 0 12524.0000 0 41 12827.0000 12524.0000 2.36% - 0s 0 0 12524.5172 0 49 12827.0000 12524.5172 2.36% - 0s 0 0 12524.5393 0 46 12827.0000 12524.5393 2.36% - 0s 0 0 12524.6667 0 30 12827.0000 12524.6667 2.36% - 0s 0 0 12528.1667 0 52 12827.0000 12528.1667 2.33% - 0s 0 0 12529.3333 0 47 12827.0000 12529.3333 2.32% - 0s 0 0 12529.4123 0 59 12827.0000 12529.4123 2.32% - 0s 0 0 12529.5556 0 43 12827.0000 12529.5556 2.32% - 0s 0 0 12529.8153 0 62 12827.0000 12529.8153 2.32% - 0s 0 0 12530.1111 0 38 12827.0000 12530.1111 2.31% - 0s 0 0 12530.8378 0 48 12827.0000 12530.8378 2.31% - 0s 0 0 12531.0236 0 56 12827.0000 12531.0236 2.31% - 0s 0 0 12531.2936 0 52 12827.0000 12531.2936 2.31% - 0s 0 0 12531.4312 0 60 12827.0000 12531.4312 2.30% - 0s 0 0 12531.5517 0 64 12827.0000 12531.5517 2.30% - 0s 0 0 12531.9287 0 65 12827.0000 12531.9287 2.30% - 0s 0 0 12532.6000 0 60 12827.0000 12532.6000 2.30% - 0s 0 0 12533.2122 0 70 12827.0000 12533.2122 2.29% - 0s 0 0 12533.4709 0 66 12827.0000 12533.4709 2.29% - 0s 0 0 12533.7795 0 68 12827.0000 12533.7795 2.29% - 0s 0 0 12535.7027 0 65 12827.0000 12535.7027 2.27% - 0s 0 0 12536.1483 0 65 12827.0000 12536.1483 2.27% - 0s 0 0 12536.8174 0 65 12827.0000 12536.8174 2.26% - 0s 0 0 12536.9401 0 70 12827.0000 12536.9401 2.26% - 0s 0 0 12538.4734 0 52 12827.0000 12538.4734 2.25% - 0s 0 0 12540.2244 0 61 12827.0000 12540.2244 2.24% - 0s 0 0 12540.5730 0 63 12827.0000 12540.5730 2.23% - 0s 0 0 12540.8701 0 62 12827.0000 12540.8701 2.23% - 0s 0 0 12540.9257 0 65 12827.0000 12540.9257 2.23% - 0s 0 0 12541.0055 0 66 12827.0000 12541.0055 2.23% - 0s H 0 0 12787.000000 12541.0055 1.92% - 0s H 0 0 12719.000000 12541.0055 1.40% - 0s 0 2 12541.4270 0 66 12719.0000 12541.4270 1.40% - 0s Cutting planes: Gomory: 1 Zero half: 37 Explored 318 nodes (2356 simplex iterations) in 1.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.271900000000e+04, best bound 1.271900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 224 rows, 1128 columns and 49354 nonzeros Presolve time: 0.03s Presolved: 224 rows, 1128 columns, 49354 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12520.8000 0 35 47372.0000 12520.8000 73.6% - 0s 0 0 12520.9000 0 43 47372.0000 12520.9000 73.6% - 0s 0 0 12521.3220 0 44 47372.0000 12521.3220 73.6% - 0s 0 0 12522.0000 0 27 47372.0000 12522.0000 73.6% - 0s 0 0 12524.0690 0 49 47372.0000 12524.0690 73.6% - 0s 0 0 12524.5618 0 54 47372.0000 12524.5618 73.6% - 0s 0 0 12524.6667 0 30 47372.0000 12524.6667 73.6% - 0s 0 0 12529.3333 0 47 47372.0000 12529.3333 73.6% - 0s 0 0 12529.5476 0 55 47372.0000 12529.5476 73.6% - 0s 0 0 12529.5556 0 43 47372.0000 12529.5556 73.6% - 0s 0 0 12529.6875 0 53 47372.0000 12529.6875 73.6% - 0s 0 0 12529.7583 0 62 47372.0000 12529.7583 73.6% - 0s 0 0 12530.1111 0 38 47372.0000 12530.1111 73.5% - 0s 0 0 12530.5500 0 47 47372.0000 12530.5500 73.5% - 0s H 0 0 15818.000000 12530.5500 20.8% - 0s H 0 0 12736.000000 12530.5500 1.61% - 0s H 0 0 12730.000000 12530.5500 1.57% - 0s 0 0 12530.6393 0 55 12730.0000 12530.6393 1.57% - 0s 0 0 12530.6393 0 22 12730.0000 12530.6393 1.57% - 0s 0 0 12530.6393 0 35 12730.0000 12530.6393 1.57% - 0s 0 0 12530.6393 0 47 12730.0000 12530.6393 1.57% - 0s 0 0 12530.6393 0 55 12730.0000 12530.6393 1.57% - 0s 0 0 12530.7857 0 49 12730.0000 12530.7857 1.56% - 0s 0 0 12532.1471 0 42 12730.0000 12532.1471 1.55% - 0s 0 0 12532.5126 0 62 12730.0000 12532.5126 1.55% - 0s 0 0 12533.7733 0 47 12730.0000 12533.7733 1.54% - 0s 0 0 12533.9333 0 52 12730.0000 12533.9333 1.54% - 0s 0 0 12534.5203 0 53 12730.0000 12534.5203 1.54% - 0s 0 0 12534.6429 0 43 12730.0000 12534.6429 1.53% - 0s 0 0 12535.4470 0 60 12730.0000 12535.4470 1.53% - 0s 0 0 12536.6690 0 62 12730.0000 12536.6690 1.52% - 0s 0 0 12538.4302 0 59 12730.0000 12538.4302 1.50% - 0s 0 0 12538.7764 0 56 12730.0000 12538.7764 1.50% - 0s 0 0 12538.9203 0 63 12730.0000 12538.9203 1.50% - 0s 0 0 12539.0189 0 64 12730.0000 12539.0189 1.50% - 0s 0 0 12544.0000 0 27 12730.0000 12544.0000 1.46% - 0s 0 0 12545.1216 0 56 12730.0000 12545.1216 1.45% - 0s 0 0 12545.2313 0 65 12730.0000 12545.2313 1.45% - 0s 0 0 12545.8668 0 62 12730.0000 12545.8668 1.45% - 0s 0 0 12546.1395 0 43 12730.0000 12546.1395 1.44% - 0s 0 0 12546.3056 0 66 12730.0000 12546.3056 1.44% - 0s 0 0 12546.6545 0 70 12730.0000 12546.6545 1.44% - 0s 0 0 12546.7170 0 71 12730.0000 12546.7170 1.44% - 0s 0 2 12547.0000 0 71 12730.0000 12547.0000 1.44% - 1s * 70 33 44 12723.000000 12573.0000 1.18% 4.4 1s * 103 39 15 12722.000000 12592.0833 1.02% 5.0 1s * 137 39 19 12720.000000 12600.2500 0.94% 5.2 1s Cutting planes: Gomory: 1 Zero half: 22 Explored 305 nodes (2130 simplex iterations) in 1.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272000000000e+04, best bound 1.271900000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 225 rows, 1128 columns and 49585 nonzeros Presolve time: 0.03s Presolved: 225 rows, 1128 columns, 49585 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12852.000000 12502.0000 2.72% - 0s 0 0 12502.3333 0 30 12852.0000 12502.3333 2.72% - 0s 0 0 12502.3333 0 22 12852.0000 12502.3333 2.72% - 0s H 0 0 12773.000000 12502.3333 2.12% - 0s 0 0 12519.7000 0 37 12773.0000 12519.7000 1.98% - 0s 0 2 12531.6250 0 37 12773.0000 12531.6250 1.89% - 0s H 7 5 12723.000000 12545.3333 1.40% 0.0 0s * 195 49 21 12722.000000 12622.0000 0.79% 5.9 0s * 374 13 21 12720.000000 12693.5000 0.21% 5.4 1s Cutting planes: Gomory: 12 Zero half: 6 Mod-K: 1 Explored 390 nodes (2316 simplex iterations) in 1.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272000000000e+04, best bound 1.271900000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 226 rows, 1128 columns and 49838 nonzeros Presolve time: 0.03s Presolved: 226 rows, 1128 columns, 49838 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12517.3333 0 35 47372.0000 12517.3333 73.6% - 0s 0 0 12517.5556 0 43 47372.0000 12517.5556 73.6% - 0s 0 0 12519.1111 0 41 47372.0000 12519.1111 73.6% - 0s 0 0 12519.2581 0 46 47372.0000 12519.2581 73.6% - 0s 0 0 12519.2692 0 49 47372.0000 12519.2692 73.6% - 0s 0 0 12520.7143 0 52 47372.0000 12520.7143 73.6% - 0s H 0 0 16241.000000 12520.7143 22.9% - 0s H 0 0 12755.000000 12520.7143 1.84% - 0s H 0 0 12730.000000 12520.7143 1.64% - 0s 0 0 12521.4348 0 50 12730.0000 12521.4348 1.64% - 0s 0 0 12521.4348 0 22 12730.0000 12521.4348 1.64% - 0s 0 0 12522.5000 0 30 12730.0000 12522.5000 1.63% - 0s 0 0 12524.1667 0 39 12730.0000 12524.1667 1.62% - 0s 0 0 12524.4063 0 46 12730.0000 12524.4063 1.62% - 0s 0 0 12529.3542 0 46 12730.0000 12529.3542 1.58% - 0s 0 0 12529.8750 0 41 12730.0000 12529.8750 1.57% - 0s 0 0 12530.3571 0 47 12730.0000 12530.3571 1.57% - 0s 0 0 12531.0000 0 49 12730.0000 12531.0000 1.56% - 0s 0 0 12531.1389 0 48 12730.0000 12531.1389 1.56% - 0s 0 0 12531.2321 0 59 12730.0000 12531.2321 1.56% - 0s 0 0 12531.8517 0 60 12730.0000 12531.8517 1.56% - 0s 0 0 12532.3715 0 62 12730.0000 12532.3715 1.55% - 0s 0 0 12533.5714 0 37 12730.0000 12533.5714 1.54% - 0s 0 0 12535.8350 0 55 12730.0000 12535.8350 1.53% - 0s 0 0 12536.2647 0 50 12730.0000 12536.2647 1.52% - 0s 0 0 12536.2889 0 61 12730.0000 12536.2889 1.52% - 0s 0 0 12537.0870 0 51 12730.0000 12537.0870 1.52% - 0s 0 0 12537.8116 0 56 12730.0000 12537.8116 1.51% - 0s 0 0 12538.1429 0 40 12730.0000 12538.1429 1.51% - 0s 0 0 12539.3204 0 51 12730.0000 12539.3204 1.50% - 0s 0 0 12543.2500 0 26 12730.0000 12543.2500 1.47% - 0s 0 0 12543.8750 0 38 12730.0000 12543.8750 1.46% - 0s 0 0 12544.7578 0 62 12730.0000 12544.7578 1.46% - 0s 0 0 12545.1375 0 65 12730.0000 12545.1375 1.45% - 0s 0 0 12547.1020 0 58 12730.0000 12547.1020 1.44% - 0s 0 0 12547.1754 0 61 12730.0000 12547.1754 1.44% - 0s 0 0 12547.1870 0 66 12730.0000 12547.1870 1.44% - 0s 0 0 12547.2344 0 68 12730.0000 12547.2344 1.44% - 0s 0 2 12547.3333 0 68 12730.0000 12547.3333 1.43% - 0s * 30 18 30 12723.000000 12566.5000 1.23% 3.1 0s * 132 55 9 12722.000000 12597.6250 0.98% 4.8 1s * 183 52 13 12721.000000 12618.0000 0.81% 5.2 1s Cutting planes: Gomory: 1 Zero half: 19 Explored 300 nodes (2129 simplex iterations) in 1.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272100000000e+04, best bound 1.272100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 227 rows, 1128 columns and 50138 nonzeros Presolve time: 0.03s Presolved: 227 rows, 1128 columns, 50138 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12517.3333 0 35 47372.0000 12517.3333 73.6% - 0s 0 0 12517.5556 0 43 47372.0000 12517.5556 73.6% - 0s 0 0 12519.1111 0 41 47372.0000 12519.1111 73.6% - 0s 0 0 12519.2581 0 46 47372.0000 12519.2581 73.6% - 0s 0 0 12519.2692 0 49 47372.0000 12519.2692 73.6% - 0s 0 0 12520.7143 0 52 47372.0000 12520.7143 73.6% - 0s H 0 0 14544.000000 12520.7143 13.9% - 0s H 0 0 12755.000000 12520.7143 1.84% - 0s H 0 0 12730.000000 12520.7143 1.64% - 0s 0 0 12521.4348 0 50 12730.0000 12521.4348 1.64% - 0s 0 0 12521.4348 0 22 12730.0000 12521.4348 1.64% - 0s 0 0 12522.5000 0 30 12730.0000 12522.5000 1.63% - 0s 0 0 12524.1667 0 39 12730.0000 12524.1667 1.62% - 0s 0 0 12524.4063 0 46 12730.0000 12524.4063 1.62% - 0s 0 0 12529.3542 0 46 12730.0000 12529.3542 1.58% - 0s 0 0 12529.8750 0 41 12730.0000 12529.8750 1.57% - 0s 0 0 12530.3571 0 47 12730.0000 12530.3571 1.57% - 0s 0 0 12531.0000 0 49 12730.0000 12531.0000 1.56% - 0s 0 0 12531.1389 0 48 12730.0000 12531.1389 1.56% - 0s 0 0 12531.2321 0 59 12730.0000 12531.2321 1.56% - 0s 0 0 12531.8517 0 60 12730.0000 12531.8517 1.56% - 0s 0 0 12532.3715 0 62 12730.0000 12532.3715 1.55% - 0s 0 0 12533.5714 0 37 12730.0000 12533.5714 1.54% - 0s 0 0 12535.8350 0 55 12730.0000 12535.8350 1.53% - 0s 0 0 12536.2647 0 50 12730.0000 12536.2647 1.52% - 0s 0 0 12536.2889 0 61 12730.0000 12536.2889 1.52% - 0s 0 0 12537.0870 0 51 12730.0000 12537.0870 1.52% - 0s 0 0 12537.8116 0 56 12730.0000 12537.8116 1.51% - 0s 0 0 12538.1429 0 40 12730.0000 12538.1429 1.51% - 0s 0 0 12539.3204 0 51 12730.0000 12539.3204 1.50% - 0s 0 0 12543.2500 0 26 12730.0000 12543.2500 1.47% - 0s 0 0 12543.8750 0 38 12730.0000 12543.8750 1.46% - 0s 0 0 12544.7578 0 62 12730.0000 12544.7578 1.46% - 0s 0 0 12545.1375 0 65 12730.0000 12545.1375 1.45% - 0s 0 0 12547.1020 0 58 12730.0000 12547.1020 1.44% - 0s 0 0 12547.1754 0 61 12730.0000 12547.1754 1.44% - 0s 0 0 12547.1870 0 66 12730.0000 12547.1870 1.44% - 0s 0 0 12547.2344 0 68 12730.0000 12547.2344 1.44% - 0s 0 2 12547.3333 0 68 12730.0000 12547.3333 1.43% - 0s * 30 18 30 12723.000000 12566.5000 1.23% 3.1 0s * 132 55 9 12722.000000 12597.6250 0.98% 4.8 1s Cutting planes: Gomory: 1 Zero half: 19 Explored 300 nodes (2123 simplex iterations) in 1.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272200000000e+04, best bound 1.272200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 228 rows, 1128 columns and 50438 nonzeros Presolve time: 0.03s Presolved: 228 rows, 1128 columns, 50438 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12827.000000 12502.0000 2.53% - 0s 0 0 12502.3333 0 30 12827.0000 12502.3333 2.53% - 0s 0 0 12502.3333 0 22 12827.0000 12502.3333 2.53% - 0s 0 0 12519.7000 0 37 12827.0000 12519.7000 2.40% - 0s 0 0 12520.8000 0 35 12827.0000 12520.8000 2.39% - 0s 0 0 12520.9081 0 44 12827.0000 12520.9081 2.39% - 0s 0 0 12522.0000 0 27 12827.0000 12522.0000 2.38% - 0s 0 0 12524.0000 0 41 12827.0000 12524.0000 2.36% - 0s 0 0 12524.5172 0 49 12827.0000 12524.5172 2.36% - 0s 0 0 12524.5393 0 46 12827.0000 12524.5393 2.36% - 0s 0 0 12524.6667 0 30 12827.0000 12524.6667 2.36% - 0s 0 0 12528.3571 0 54 12827.0000 12528.3571 2.33% - 0s 0 0 12529.4583 0 56 12827.0000 12529.4583 2.32% - 0s 0 0 12529.8274 0 63 12827.0000 12529.8274 2.32% - 0s 0 0 12531.0000 0 40 12827.0000 12531.0000 2.31% - 0s 0 0 12533.3333 0 43 12827.0000 12533.3333 2.29% - 0s 0 0 12533.4375 0 46 12827.0000 12533.4375 2.29% - 0s 0 0 12533.4747 0 62 12827.0000 12533.4747 2.29% - 0s 0 0 12533.6667 0 44 12827.0000 12533.6667 2.29% - 0s 0 0 12533.6892 0 52 12827.0000 12533.6892 2.29% - 0s 0 0 12533.9713 0 57 12827.0000 12533.9713 2.28% - 0s 0 0 12534.3853 0 54 12827.0000 12534.3853 2.28% - 0s 0 0 12534.5229 0 62 12827.0000 12534.5229 2.28% - 0s 0 0 12535.3846 0 50 12827.0000 12535.3846 2.27% - 0s 0 0 12535.4455 0 54 12827.0000 12535.4455 2.27% - 0s 0 0 12535.5568 0 61 12827.0000 12535.5568 2.27% - 0s 0 0 12537.0145 0 58 12827.0000 12537.0145 2.26% - 0s 0 0 12537.0902 0 65 12827.0000 12537.0902 2.26% - 0s 0 0 12537.1245 0 59 12827.0000 12537.1245 2.26% - 0s 0 0 12537.2002 0 69 12827.0000 12537.2002 2.26% - 0s 0 0 12537.4255 0 63 12827.0000 12537.4255 2.26% - 0s H 0 0 12731.000000 12537.4255 1.52% - 0s 0 0 12537.5646 0 62 12731.0000 12537.5646 1.52% - 0s 0 2 12541.0417 0 62 12731.0000 12541.0417 1.49% - 0s H 15 11 12728.000000 12558.4926 1.33% 0.0 1s H 18 12 12727.000000 12558.5162 1.32% 0.0 1s H 19 11 12725.000000 12558.5162 1.31% 14.0 1s * 89 19 35 12723.000000 12591.2441 1.04% 9.9 1s * 381 36 21 12722.000000 12660.5000 0.48% 6.1 2s Cutting planes: Gomory: 8 MIR: 2 Zero half: 13 Mod-K: 1 Explored 462 nodes (2939 simplex iterations) in 2.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272200000000e+04, best bound 1.272200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (33, 47), (34, 41), (36, 46)] Optimize a model with 229 rows, 1128 columns and 50714 nonzeros Presolve time: 0.03s Presolved: 229 rows, 1128 columns, 50714 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12732.000000 12502.0000 1.81% - 0s 0 0 12502.3333 0 30 12732.0000 12502.3333 1.80% - 0s 0 0 12502.3333 0 22 12732.0000 12502.3333 1.80% - 0s 0 0 12519.7000 0 37 12732.0000 12519.7000 1.67% - 0s 0 0 12520.8000 0 35 12732.0000 12520.8000 1.66% - 0s 0 0 12520.9549 0 44 12732.0000 12520.9549 1.66% - 0s 0 0 12522.0000 0 27 12732.0000 12522.0000 1.65% - 0s 0 0 12524.1293 0 49 12732.0000 12524.1293 1.63% - 0s 0 0 12524.5393 0 46 12732.0000 12524.5393 1.63% - 0s 0 0 12524.6667 0 30 12732.0000 12524.6667 1.63% - 0s 0 0 12529.6429 0 51 12732.0000 12529.6429 1.59% - 0s 0 0 12530.9583 0 53 12732.0000 12530.9583 1.58% - 0s 0 0 12531.1131 0 60 12732.0000 12531.1131 1.58% - 0s 0 0 12533.5714 0 37 12732.0000 12533.5714 1.56% - 0s 0 0 12534.6087 0 47 12732.0000 12534.6087 1.55% - 0s 0 0 12535.1522 0 55 12732.0000 12535.1522 1.55% - 0s 0 0 12535.5714 0 40 12732.0000 12535.5714 1.54% - 0s 0 0 12536.6071 0 48 12732.0000 12536.6071 1.53% - 0s 0 0 12542.2500 0 27 12732.0000 12542.2500 1.49% - 0s 0 0 12542.7143 0 32 12732.0000 12542.7143 1.49% - 0s 0 0 12543.0000 0 62 12732.0000 12543.0000 1.48% - 0s 0 0 12543.3984 0 62 12732.0000 12543.3984 1.48% - 0s 0 0 12543.5858 0 61 12732.0000 12543.5858 1.48% - 0s 0 0 12543.6825 0 68 12732.0000 12543.6825 1.48% - 0s 0 0 12544.6938 0 67 12732.0000 12544.6938 1.47% - 0s 0 0 12545.5238 0 69 12732.0000 12545.5238 1.46% - 0s 0 0 12545.7611 0 50 12732.0000 12545.7611 1.46% - 0s 0 0 12546.3602 0 68 12732.0000 12546.3602 1.46% - 0s 0 0 12546.3610 0 70 12732.0000 12546.3610 1.46% - 0s H 0 0 12725.000000 12546.3610 1.40% - 0s 0 2 12546.5628 0 70 12725.0000 12546.5628 1.40% - 0s * 104 45 7 12723.000000 12596.5000 0.99% 7.3 0s Cutting planes: Gomory: 1 Zero half: 21 Explored 310 nodes (2154 simplex iterations) in 0.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272300000000e+04, best bound 1.272300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 230 rows, 1128 columns and 51039 nonzeros Presolve time: 0.03s Presolved: 230 rows, 1128 columns, 51039 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12936.000000 12502.0000 3.35% - 0s 0 0 12502.3333 0 30 12936.0000 12502.3333 3.35% - 0s 0 0 12502.3333 0 22 12936.0000 12502.3333 3.35% - 0s 0 0 12519.6000 0 37 12936.0000 12519.6000 3.22% - 0s 0 0 12520.8000 0 35 12936.0000 12520.8000 3.21% - 0s 0 0 12520.9071 0 43 12936.0000 12520.9071 3.21% - 0s 0 0 12521.1316 0 41 12936.0000 12521.1316 3.21% - 0s 0 0 12521.2585 0 49 12936.0000 12521.2585 3.21% - 0s H 0 0 12757.000000 12521.2585 1.85% - 0s 0 0 12522.0000 0 37 12757.0000 12522.0000 1.84% - 0s H 0 0 12730.000000 12522.0000 1.63% - 0s 0 2 12531.5000 0 37 12730.0000 12531.5000 1.56% - 0s H 15 11 12728.000000 12561.9062 1.30% 0.1 0s H 15 10 12727.000000 12561.9062 1.30% 0.1 0s * 66 16 25 12723.000000 12575.3629 1.16% 8.4 0s Cutting planes: Gomory: 10 Zero half: 11 Mod-K: 1 Explored 461 nodes (2458 simplex iterations) in 1.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272300000000e+04, best bound 1.272300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 40)] Optimize a model with 231 rows, 1128 columns and 51292 nonzeros Presolve time: 0.03s Presolved: 231 rows, 1128 columns, 51292 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 129 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12932.000000 12502.0000 3.33% - 0s 0 0 12502.3333 0 30 12932.0000 12502.3333 3.32% - 0s 0 0 12502.3333 0 22 12932.0000 12502.3333 3.32% - 0s 0 0 12502.4167 0 30 12932.0000 12502.4167 3.32% - 0s 0 0 12517.3333 0 35 12932.0000 12517.3333 3.21% - 0s 0 0 12517.5556 0 43 12932.0000 12517.5556 3.20% - 0s 0 0 12519.1111 0 41 12932.0000 12519.1111 3.19% - 0s 0 0 12519.2500 0 49 12932.0000 12519.2500 3.19% - 0s 0 0 12520.8333 0 54 12932.0000 12520.8333 3.18% - 0s H 0 0 12842.000000 12520.8333 2.50% - 0s 0 0 12522.6818 0 44 12842.0000 12522.6818 2.49% - 0s 0 0 12528.1667 0 42 12842.0000 12528.1667 2.44% - 0s 0 0 12528.2264 0 45 12842.0000 12528.2264 2.44% - 0s 0 0 12528.3387 0 48 12842.0000 12528.3387 2.44% - 0s 0 0 12528.3494 0 56 12842.0000 12528.3494 2.44% - 0s 0 0 12529.2258 0 48 12842.0000 12529.2258 2.44% - 0s 0 0 12529.5652 0 53 12842.0000 12529.5652 2.43% - 0s 0 0 12529.6774 0 60 12842.0000 12529.6774 2.43% - 0s 0 0 12529.8571 0 50 12842.0000 12529.8571 2.43% - 0s 0 0 12529.8662 0 60 12842.0000 12529.8662 2.43% - 0s 0 0 12530.0988 0 53 12842.0000 12530.0988 2.43% - 0s H 0 0 12784.000000 12530.0988 1.99% - 0s 0 0 12530.1694 0 56 12784.0000 12530.1694 1.99% - 0s H 0 0 12732.000000 12530.1694 1.59% - 0s 0 2 12535.8188 0 56 12732.0000 12535.8188 1.54% - 0s * 47 22 25 12724.000000 12572.1073 1.19% 12.8 1s Cutting planes: Gomory: 12 Zero half: 9 Mod-K: 4 Explored 282 nodes (2284 simplex iterations) in 1.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272400000000e+04, best bound 1.272400000000e+04, gap 0.0% adding cut for [(33, 46), (4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 232 rows, 1128 columns and 51502 nonzeros Presolve time: 0.03s Presolved: 232 rows, 1128 columns, 51502 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 129 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12856.000000 12502.0000 2.75% - 0s 0 0 12502.3333 0 30 12856.0000 12502.3333 2.75% - 0s 0 0 12502.3333 0 22 12856.0000 12502.3333 2.75% - 0s 0 0 12502.4167 0 30 12856.0000 12502.4167 2.75% - 0s 0 0 12520.9250 0 43 12856.0000 12520.9250 2.61% - 0s H 0 0 12758.000000 12520.9250 1.86% - 0s 0 0 12521.2467 0 49 12758.0000 12521.2467 1.86% - 0s 0 2 12533.0985 0 49 12758.0000 12533.0985 1.76% - 0s H 1 2 12732.000000 12533.0985 1.56% 0.0 0s H 20 13 12729.000000 12552.9375 1.38% 0.0 1s H 20 12 12725.000000 12552.9375 1.35% 0.0 1s * 136 36 27 12724.000000 12617.6667 0.84% 7.0 1s Cutting planes: Gomory: 6 Zero half: 12 Mod-K: 2 Explored 341 nodes (2206 simplex iterations) in 1.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272400000000e+04, best bound 1.272400000000e+04, gap 0.0% adding cut for [(33, 46), (4, 10), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 233 rows, 1128 columns and 51692 nonzeros Presolve time: 0.03s Presolved: 233 rows, 1128 columns, 51692 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 129 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12856.000000 12502.0000 2.75% - 0s 0 0 12502.3333 0 30 12856.0000 12502.3333 2.75% - 0s 0 0 12502.3333 0 22 12856.0000 12502.3333 2.75% - 0s 0 0 12502.4167 0 30 12856.0000 12502.4167 2.75% - 0s 0 0 12520.9250 0 43 12856.0000 12520.9250 2.61% - 0s H 0 0 12758.000000 12520.9250 1.86% - 0s 0 0 12521.2467 0 49 12758.0000 12521.2467 1.86% - 0s 0 2 12533.0985 0 49 12758.0000 12533.0985 1.76% - 0s H 1 2 12732.000000 12533.0985 1.56% 0.0 0s H 66 16 12728.000000 12586.0000 1.12% 9.6 1s * 158 44 19 12727.000000 12622.0000 0.83% 6.7 1s * 177 41 21 12725.000000 12622.0000 0.81% 6.6 1s * 220 42 23 12724.000000 12640.2857 0.66% 6.3 1s Cutting planes: Gomory: 7 Zero half: 10 Explored 367 nodes (2236 simplex iterations) in 1.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272400000000e+04, best bound 1.272400000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 16), (10, 38), (12, 13), (12, 24), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 234 rows, 1128 columns and 51945 nonzeros Presolve time: 0.03s Presolved: 234 rows, 1128 columns, 51945 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 129 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12520.8000 0 35 47372.0000 12520.8000 73.6% - 0s 0 0 12520.9000 0 43 47372.0000 12520.9000 73.6% - 0s 0 0 12521.3013 0 50 47372.0000 12521.3013 73.6% - 0s 0 0 12522.0000 0 27 47372.0000 12522.0000 73.6% - 0s 0 0 12525.2308 0 43 47372.0000 12525.2308 73.6% - 0s 0 0 12530.6190 0 41 47372.0000 12530.6190 73.5% - 0s 0 0 12530.7471 0 44 47372.0000 12530.7471 73.5% - 0s 0 0 12531.0476 0 49 47372.0000 12531.0476 73.5% - 0s 0 0 12531.1609 0 52 47372.0000 12531.1609 73.5% - 0s 0 0 12532.5506 0 47 47372.0000 12532.5506 73.5% - 0s 0 0 12532.6245 0 51 47372.0000 12532.6245 73.5% - 0s 0 0 12532.6306 0 55 47372.0000 12532.6306 73.5% - 0s 0 0 12532.8023 0 55 47372.0000 12532.8023 73.5% - 0s H 0 0 15566.000000 12532.8023 19.5% - 0s H 0 0 13094.000000 12532.8023 4.29% - 0s H 0 0 12730.000000 12532.8023 1.55% - 0s 0 0 12532.9239 0 61 12730.0000 12532.9239 1.55% - 0s 0 0 12532.9239 0 22 12730.0000 12532.9239 1.55% - 0s 0 0 12532.9239 0 46 12730.0000 12532.9239 1.55% - 0s 0 0 12532.9239 0 59 12730.0000 12532.9239 1.55% - 0s 0 0 12533.1605 0 58 12730.0000 12533.1605 1.55% - 0s 0 0 12533.1645 0 63 12730.0000 12533.1645 1.55% - 0s 0 0 12533.2904 0 58 12730.0000 12533.2904 1.55% - 0s 0 0 12534.3077 0 55 12730.0000 12534.3077 1.54% - 0s 0 0 12534.8648 0 52 12730.0000 12534.8648 1.53% - 0s 0 0 12535.2719 0 59 12730.0000 12535.2719 1.53% - 0s 0 0 12535.3381 0 57 12730.0000 12535.3381 1.53% - 0s 0 0 12535.5478 0 65 12730.0000 12535.5478 1.53% - 0s 0 0 12536.9159 0 59 12730.0000 12536.9159 1.52% - 0s 0 0 12537.1392 0 64 12730.0000 12537.1392 1.52% - 0s 0 0 12538.4969 0 58 12730.0000 12538.4969 1.50% - 0s 0 0 12538.5704 0 62 12730.0000 12538.5704 1.50% - 0s 0 0 12538.7960 0 59 12730.0000 12538.7960 1.50% - 0s 0 0 12538.7960 0 59 12730.0000 12538.7960 1.50% - 0s 0 2 12541.5329 0 59 12730.0000 12541.5329 1.48% - 0s * 20 13 17 12729.000000 12569.6400 1.25% 8.0 0s * 123 41 5 12725.000000 12605.0000 0.94% 6.2 0s Cutting planes: Gomory: 2 Zero half: 16 Explored 328 nodes (2257 simplex iterations) in 1.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272500000000e+04, best bound 1.272500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 235 rows, 1128 columns and 52270 nonzeros Presolve time: 0.03s Presolved: 235 rows, 1128 columns, 52270 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 129 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12765.000000 12502.0000 2.06% - 0s 0 0 12502.3333 0 30 12765.0000 12502.3333 2.06% - 0s 0 0 12502.3333 0 22 12765.0000 12502.3333 2.06% - 0s 0 0 12517.3333 0 35 12765.0000 12517.3333 1.94% - 0s 0 0 12517.5802 0 43 12765.0000 12517.5802 1.94% - 0s 0 0 12519.1111 0 41 12765.0000 12519.1111 1.93% - 0s 0 0 12519.2265 0 51 12765.0000 12519.2265 1.93% - 0s 0 0 12519.7932 0 47 12765.0000 12519.7932 1.92% - 0s 0 0 12519.9989 0 56 12765.0000 12519.9989 1.92% - 0s 0 0 12520.3962 0 42 12765.0000 12520.3962 1.92% - 0s 0 0 12520.8183 0 52 12765.0000 12520.8183 1.91% - 0s 0 0 12521.5136 0 53 12765.0000 12521.5136 1.91% - 0s 0 0 12522.7477 0 58 12765.0000 12522.7477 1.90% - 0s 0 0 12522.8734 0 63 12765.0000 12522.8734 1.90% - 0s 0 0 12523.5363 0 56 12765.0000 12523.5363 1.89% - 0s 0 0 12524.2039 0 56 12765.0000 12524.2039 1.89% - 0s 0 0 12527.0551 0 52 12765.0000 12527.0551 1.86% - 0s 0 0 12527.1564 0 57 12765.0000 12527.1564 1.86% - 0s 0 0 12527.4746 0 57 12765.0000 12527.4746 1.86% - 0s 0 0 12527.8939 0 62 12765.0000 12527.8939 1.86% - 0s 0 0 12529.2635 0 53 12765.0000 12529.2635 1.85% - 0s 0 0 12529.4081 0 57 12765.0000 12529.4081 1.85% - 0s 0 0 12529.4565 0 64 12765.0000 12529.4565 1.85% - 0s 0 0 12529.6493 0 62 12765.0000 12529.6493 1.84% - 0s 0 0 12529.7837 0 68 12765.0000 12529.7837 1.84% - 0s 0 0 12530.3896 0 57 12765.0000 12530.3896 1.84% - 0s 0 0 12530.4785 0 69 12765.0000 12530.4785 1.84% - 0s 0 0 12530.7064 0 67 12765.0000 12530.7064 1.84% - 0s H 0 0 12731.000000 12530.7064 1.57% - 0s 0 0 12531.5259 0 67 12731.0000 12531.5259 1.57% - 0s 0 0 12531.7063 0 68 12731.0000 12531.7063 1.57% - 0s 0 0 12531.8475 0 63 12731.0000 12531.8475 1.56% - 0s 0 0 12531.8651 0 69 12731.0000 12531.8651 1.56% - 0s 0 0 12532.9032 0 56 12731.0000 12532.9032 1.56% - 0s 0 0 12533.1359 0 73 12731.0000 12533.1359 1.55% - 0s 0 0 12534.2052 0 66 12731.0000 12534.2052 1.55% - 0s 0 0 12534.2191 0 74 12731.0000 12534.2191 1.55% - 0s 0 0 12534.3011 0 74 12731.0000 12534.3011 1.55% - 0s 0 0 12535.8452 0 67 12731.0000 12535.8452 1.53% - 0s 0 0 12535.9721 0 63 12731.0000 12535.9721 1.53% - 0s 0 0 12536.0729 0 72 12731.0000 12536.0729 1.53% - 0s 0 0 12536.0787 0 70 12731.0000 12536.0787 1.53% - 0s 0 2 12536.3356 0 70 12731.0000 12536.3356 1.53% - 1s * 36 16 35 12729.000000 12564.2555 1.29% 4.6 1s * 186 56 8 12728.000000 12623.1667 0.82% 5.7 1s * 251 57 13 12727.000000 12653.4000 0.58% 5.3 1s * 292 46 9 12726.000000 12667.5000 0.46% 5.6 1s * 368 18 20 12725.000000 12698.0000 0.21% 5.5 1s Cutting planes: Gomory: 1 Zero half: 27 Explored 393 nodes (2622 simplex iterations) in 1.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272500000000e+04, best bound 1.272400000000e+04, gap 0.0079% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 16), (10, 38), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 236 rows, 1128 columns and 52501 nonzeros Presolve time: 0.03s Presolved: 236 rows, 1128 columns, 52501 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 129 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12520.9000 0 43 47372.0000 12520.9000 73.6% - 0s 0 0 12521.2237 0 49 47372.0000 12521.2237 73.6% - 0s 0 0 12521.5760 0 50 47372.0000 12521.5760 73.6% - 0s 0 0 12522.0000 0 27 47372.0000 12522.0000 73.6% - 0s 0 0 12525.4839 0 48 47372.0000 12525.4839 73.6% - 0s 0 0 12530.6190 0 41 47372.0000 12530.6190 73.5% - 0s 0 0 12530.8667 0 38 47372.0000 12530.8667 73.5% - 0s 0 0 12530.9540 0 52 47372.0000 12530.9540 73.5% - 0s 0 0 12532.5506 0 47 47372.0000 12532.5506 73.5% - 0s 0 0 12532.6382 0 55 47372.0000 12532.6382 73.5% - 0s 0 0 12532.7556 0 59 47372.0000 12532.7556 73.5% - 0s 0 0 12532.8073 0 61 47372.0000 12532.8073 73.5% - 0s H 0 0 15238.000000 12532.8073 17.8% - 0s H 0 0 13094.000000 12532.8073 4.29% - 0s H 0 0 12730.000000 12532.8073 1.55% - 0s 0 0 12533.0955 0 59 12730.0000 12533.0955 1.55% - 0s 0 0 12533.0955 0 22 12730.0000 12533.0955 1.55% - 0s 0 0 12533.0955 0 33 12730.0000 12533.0955 1.55% - 0s 0 0 12533.0955 0 46 12730.0000 12533.0955 1.55% - 0s 0 0 12533.1911 0 59 12730.0000 12533.1911 1.55% - 0s 0 0 12533.3767 0 56 12730.0000 12533.3767 1.54% - 0s 0 0 12533.4256 0 48 12730.0000 12533.4256 1.54% - 0s 0 0 12533.4970 0 62 12730.0000 12533.4970 1.54% - 0s 0 0 12533.9167 0 41 12730.0000 12533.9167 1.54% - 0s 0 0 12534.0891 0 49 12730.0000 12534.0891 1.54% - 0s 0 0 12534.2513 0 56 12730.0000 12534.2513 1.54% - 0s 0 0 12534.4619 0 59 12730.0000 12534.4619 1.54% - 0s 0 0 12534.8486 0 58 12730.0000 12534.8486 1.53% - 0s 0 0 12535.6993 0 63 12730.0000 12535.6993 1.53% - 0s 0 0 12535.8292 0 61 12730.0000 12535.8292 1.53% - 0s 0 0 12536.1923 0 65 12730.0000 12536.1923 1.52% - 0s 0 0 12537.4423 0 64 12730.0000 12537.4423 1.51% - 0s 0 0 12537.7419 0 65 12730.0000 12537.7419 1.51% - 0s 0 0 12538.0009 0 70 12730.0000 12538.0009 1.51% - 0s 0 0 12539.0187 0 47 12730.0000 12539.0187 1.50% - 0s 0 0 12539.1696 0 60 12730.0000 12539.1696 1.50% - 0s 0 0 12539.2411 0 58 12730.0000 12539.2411 1.50% - 0s 0 0 12539.9415 0 64 12730.0000 12539.9415 1.49% - 0s 0 0 12540.2262 0 65 12730.0000 12540.2262 1.49% - 0s 0 0 12540.3036 0 68 12730.0000 12540.3036 1.49% - 0s 0 0 12540.9795 0 62 12730.0000 12540.9795 1.48% - 0s 0 0 12541.1333 0 66 12730.0000 12541.1333 1.48% - 0s 0 0 12541.5528 0 62 12730.0000 12541.5528 1.48% - 0s 0 0 12541.8444 0 72 12730.0000 12541.8444 1.48% - 0s 0 0 12541.9277 0 68 12730.0000 12541.9277 1.48% - 0s 0 0 12541.9702 0 70 12730.0000 12541.9702 1.48% - 0s 0 2 12542.7269 0 70 12730.0000 12542.7269 1.47% - 1s * 236 87 16 12728.000000 12629.7143 0.77% 5.7 1s * 261 90 17 12726.000000 12641.5476 0.66% 5.8 1s Cutting planes: Gomory: 2 Zero half: 21 Mod-K: 1 Explored 505 nodes (3316 simplex iterations) in 1.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272600000000e+04, best bound 1.272600000000e+04, gap 0.0% adding cut for [(2, 23), (2, 38), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 237 rows, 1128 columns and 52732 nonzeros Presolve time: 0.03s Presolved: 237 rows, 1128 columns, 52732 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 130 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12870.000000 12502.0000 2.86% - 0s 0 0 12502.3333 0 30 12870.0000 12502.3333 2.86% - 0s 0 0 12502.3333 0 22 12870.0000 12502.3333 2.86% - 0s H 0 0 12791.000000 12502.3333 2.26% - 0s 0 0 12519.7000 0 37 12791.0000 12519.7000 2.12% - 0s 0 0 12520.9250 0 43 12791.0000 12520.9250 2.11% - 0s H 0 0 12732.000000 12520.9250 1.66% - 0s 0 2 12532.1250 0 43 12732.0000 12532.1250 1.57% - 0s H 20 13 12731.000000 12563.7404 1.31% 0.0 0s H 20 12 12728.000000 12563.7404 1.29% 0.0 0s * 87 22 32 12727.000000 12580.1644 1.15% 9.5 1s * 257 21 20 12726.000000 12676.1000 0.39% 6.3 1s Cutting planes: Gomory: 9 Zero half: 23 Explored 307 nodes (2075 simplex iterations) in 1.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272600000000e+04, best bound 1.272600000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 238 rows, 1128 columns and 52922 nonzeros Presolve time: 0.03s Presolved: 238 rows, 1128 columns, 52922 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 130 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12827.000000 12502.0000 2.53% - 0s 0 0 12502.3333 0 30 12827.0000 12502.3333 2.53% - 0s 0 0 12502.3333 0 22 12827.0000 12502.3333 2.53% - 0s 0 0 12502.4167 0 30 12827.0000 12502.4167 2.53% - 0s 0 0 12520.8000 0 35 12827.0000 12520.8000 2.39% - 0s 0 0 12520.9081 0 44 12827.0000 12520.9081 2.39% - 0s H 0 0 12758.000000 12520.9081 1.86% - 0s 0 0 12522.0000 0 27 12758.0000 12522.0000 1.85% - 0s 0 0 12524.0000 0 41 12758.0000 12524.0000 1.83% - 0s 0 0 12524.5172 0 49 12758.0000 12524.5172 1.83% - 0s 0 0 12524.5393 0 46 12758.0000 12524.5393 1.83% - 0s 0 0 12524.6667 0 30 12758.0000 12524.6667 1.83% - 0s 0 0 12529.3667 0 49 12758.0000 12529.3667 1.79% - 0s 0 0 12530.6190 0 41 12758.0000 12530.6190 1.78% - 0s 0 0 12530.6895 0 50 12758.0000 12530.6895 1.78% - 0s 0 0 12530.8636 0 60 12758.0000 12530.8636 1.78% - 0s 0 0 12532.1111 0 35 12758.0000 12532.1111 1.77% - 0s 0 0 12532.4146 0 50 12758.0000 12532.4146 1.77% - 0s 0 0 12533.3030 0 49 12758.0000 12533.3030 1.76% - 0s 0 0 12533.4221 0 57 12758.0000 12533.4221 1.76% - 0s 0 0 12533.4989 0 51 12758.0000 12533.4989 1.76% - 0s 0 0 12533.7601 0 59 12758.0000 12533.7601 1.76% - 0s 0 0 12534.4452 0 51 12758.0000 12534.4452 1.75% - 0s 0 0 12534.6490 0 58 12758.0000 12534.6490 1.75% - 0s H 0 0 12732.000000 12534.6490 1.55% - 0s 0 2 12541.1329 0 58 12732.0000 12541.1329 1.50% - 0s H 16 11 12731.000000 12552.7360 1.40% 0.0 1s * 38 12 28 12730.000000 12580.7273 1.17% 11.3 1s * 55 8 25 12728.000000 12589.8883 1.09% 9.0 1s * 165 34 26 12727.000000 12625.6667 0.80% 6.4 1s Cutting planes: Gomory: 10 Zero half: 14 Explored 249 nodes (1825 simplex iterations) in 1.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272700000000e+04, best bound 1.272700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 239 rows, 1128 columns and 53222 nonzeros Presolve time: 0.03s Presolved: 239 rows, 1128 columns, 53222 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 130 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12520.9000 0 43 47372.0000 12520.9000 73.6% - 0s 0 0 12521.2237 0 49 47372.0000 12521.2237 73.6% - 0s 0 0 12521.5760 0 50 47372.0000 12521.5760 73.6% - 0s 0 0 12522.0000 0 27 47372.0000 12522.0000 73.6% - 0s 0 0 12525.4839 0 48 47372.0000 12525.4839 73.6% - 0s 0 0 12530.6190 0 41 47372.0000 12530.6190 73.5% - 0s 0 0 12530.8667 0 38 47372.0000 12530.8667 73.5% - 0s 0 0 12530.9540 0 52 47372.0000 12530.9540 73.5% - 0s 0 0 12532.5506 0 47 47372.0000 12532.5506 73.5% - 0s 0 0 12532.6382 0 55 47372.0000 12532.6382 73.5% - 0s 0 0 12532.7556 0 59 47372.0000 12532.7556 73.5% - 0s 0 0 12532.8073 0 61 47372.0000 12532.8073 73.5% - 0s 0 0 12533.0955 0 59 47372.0000 12533.0955 73.5% - 0s H 0 0 16169.000000 12533.0955 22.5% - 0s H 0 0 13094.000000 12533.0955 4.28% - 0s H 0 0 12730.000000 12533.0955 1.55% - 0s 0 0 12533.2788 0 49 12730.0000 12533.2788 1.55% - 0s 0 0 12533.2788 0 22 12730.0000 12533.2788 1.55% - 0s 0 0 12533.2788 0 44 12730.0000 12533.2788 1.55% - 0s 0 0 12533.3380 0 59 12730.0000 12533.3380 1.54% - 0s 0 0 12534.9821 0 55 12730.0000 12534.9821 1.53% - 0s 0 0 12535.5179 0 63 12730.0000 12535.5179 1.53% - 0s 0 0 12536.3222 0 53 12730.0000 12536.3222 1.52% - 0s 0 0 12536.7206 0 60 12730.0000 12536.7206 1.52% - 0s 0 0 12536.9737 0 59 12730.0000 12536.9737 1.52% - 0s 0 0 12537.2368 0 67 12730.0000 12537.2368 1.51% - 0s 0 0 12537.9444 0 50 12730.0000 12537.9444 1.51% - 0s 0 0 12538.1778 0 58 12730.0000 12538.1778 1.51% - 0s 0 0 12538.4910 0 59 12730.0000 12538.4910 1.50% - 0s 0 0 12538.8055 0 58 12730.0000 12538.8055 1.50% - 0s 0 0 12538.9559 0 64 12730.0000 12538.9559 1.50% - 0s 0 0 12539.6806 0 59 12730.0000 12539.6806 1.50% - 0s 0 0 12539.8571 0 69 12730.0000 12539.8571 1.49% - 0s 0 0 12541.3206 0 61 12730.0000 12541.3206 1.48% - 0s 0 0 12541.9557 0 65 12730.0000 12541.9557 1.48% - 0s 0 0 12542.0872 0 63 12730.0000 12542.0872 1.48% - 0s 0 0 12542.9534 0 59 12730.0000 12542.9534 1.47% - 0s 0 0 12542.9913 0 64 12730.0000 12542.9913 1.47% - 0s 0 0 12543.3949 0 69 12730.0000 12543.3949 1.47% - 0s 0 0 12543.9745 0 62 12730.0000 12543.9745 1.46% - 0s 0 0 12543.9920 0 64 12730.0000 12543.9920 1.46% - 0s 0 0 12544.0148 0 67 12730.0000 12544.0148 1.46% - 0s 0 2 12544.2500 0 67 12730.0000 12544.2500 1.46% - 1s * 119 40 13 12728.000000 12593.3182 1.06% 6.1 1s * 136 42 15 12727.000000 12597.0000 1.02% 6.0 1s Cutting planes: Gomory: 2 Zero half: 24 Explored 439 nodes (2869 simplex iterations) in 1.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272700000000e+04, best bound 1.272700000000e+04, gap 0.0% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (10, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 240 rows, 1128 columns and 53432 nonzeros Presolve time: 0.03s Presolved: 240 rows, 1128 columns, 53432 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12819.000000 12502.0000 2.47% - 0s 0 0 12502.3333 0 30 12819.0000 12502.3333 2.47% - 0s 0 0 12502.3333 0 22 12819.0000 12502.3333 2.47% - 0s 0 0 12519.7000 0 37 12819.0000 12519.7000 2.33% - 0s 0 0 12520.8000 0 35 12819.0000 12520.8000 2.33% - 0s 0 0 12520.9154 0 43 12819.0000 12520.9154 2.33% - 0s 0 0 12521.1316 0 41 12819.0000 12521.1316 2.32% - 0s 0 0 12521.2796 0 49 12819.0000 12521.2796 2.32% - 0s 0 0 12522.0000 0 27 12819.0000 12522.0000 2.32% - 0s 0 0 12523.4375 0 45 12819.0000 12523.4375 2.31% - 0s 0 0 12523.9648 0 53 12819.0000 12523.9648 2.30% - 0s 0 0 12524.6667 0 30 12819.0000 12524.6667 2.30% - 0s 0 0 12527.7940 0 47 12819.0000 12527.7940 2.27% - 0s 0 0 12528.2996 0 55 12819.0000 12528.2996 2.27% - 0s 0 0 12529.1461 0 55 12819.0000 12529.1461 2.26% - 0s 0 0 12529.3059 0 62 12819.0000 12529.3059 2.26% - 0s 0 0 12530.0500 0 55 12819.0000 12530.0500 2.25% - 0s 0 0 12530.7031 0 52 12819.0000 12530.7031 2.25% - 0s 0 0 12532.5780 0 53 12819.0000 12532.5780 2.23% - 0s 0 0 12532.9583 0 60 12819.0000 12532.9583 2.23% - 0s 0 0 12533.3962 0 60 12819.0000 12533.3962 2.23% - 0s 0 0 12533.6039 0 58 12819.0000 12533.6039 2.23% - 0s 0 0 12534.4059 0 62 12819.0000 12534.4059 2.22% - 0s 0 0 12535.1016 0 59 12819.0000 12535.1016 2.21% - 0s 0 0 12535.1584 0 62 12819.0000 12535.1584 2.21% - 0s 0 0 12535.3182 0 64 12819.0000 12535.3182 2.21% - 0s 0 0 12535.6101 0 62 12819.0000 12535.6101 2.21% - 0s 0 0 12535.8452 0 62 12819.0000 12535.8452 2.21% - 0s 0 0 12535.8833 0 62 12819.0000 12535.8833 2.21% - 0s 0 0 12536.1913 0 62 12819.0000 12536.1913 2.21% - 0s 0 0 12536.2497 0 68 12819.0000 12536.2497 2.21% - 0s 0 0 12536.5139 0 66 12819.0000 12536.5139 2.20% - 0s 0 0 12536.5689 0 69 12819.0000 12536.5689 2.20% - 0s 0 0 12537.1213 0 65 12819.0000 12537.1213 2.20% - 0s H 0 0 12732.000000 12537.1213 1.53% - 0s 0 0 12537.8156 0 72 12732.0000 12537.8156 1.53% - 0s 0 1 12537.8670 0 72 12732.0000 12537.8670 1.52% - 1s * 146 50 29 12731.000000 12623.9375 0.84% 8.3 2s * 196 47 24 12730.000000 12649.0000 0.64% 7.4 2s * 216 43 22 12728.000000 12653.0000 0.59% 7.2 2s Cutting planes: Gomory: 6 Zero half: 14 Explored 335 nodes (2515 simplex iterations) in 2.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272800000000e+04, best bound 1.272800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 241 rows, 1128 columns and 53732 nonzeros Presolve time: 0.03s Presolved: 241 rows, 1128 columns, 53732 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12520.4444 0 40 47372.0000 12520.4444 73.6% - 0s 0 0 12520.8889 0 48 47372.0000 12520.8889 73.6% - 0s 0 0 12523.1111 0 41 47372.0000 12523.1111 73.6% - 0s 0 0 12523.5556 0 49 47372.0000 12523.5556 73.6% - 0s 0 0 12524.8000 0 39 47372.0000 12524.8000 73.6% - 0s 0 0 12525.0000 0 47 47372.0000 12525.0000 73.6% - 0s 0 0 12525.6744 0 47 47372.0000 12525.6744 73.6% - 0s 0 0 12525.7829 0 55 47372.0000 12525.7829 73.6% - 0s 0 0 12526.9333 0 49 47372.0000 12526.9333 73.6% - 0s 0 0 12527.0111 0 57 47372.0000 12527.0111 73.6% - 0s 0 0 12527.4869 0 56 47372.0000 12527.4869 73.6% - 0s 0 0 12527.5158 0 57 47372.0000 12527.5158 73.6% - 0s 0 0 12527.5841 0 61 47372.0000 12527.5841 73.6% - 0s H 0 0 14761.000000 12527.5841 15.1% - 0s H 0 0 13120.000000 12527.5841 4.52% - 0s H 0 0 12730.000000 12527.5841 1.59% - 0s 0 0 12527.7465 0 61 12730.0000 12527.7465 1.59% - 0s 0 0 12527.7465 0 22 12730.0000 12527.7465 1.59% - 0s 0 0 12527.7465 0 59 12730.0000 12527.7465 1.59% - 0s 0 0 12529.2347 0 60 12730.0000 12529.2347 1.58% - 0s 0 0 12529.4595 0 57 12730.0000 12529.4595 1.58% - 0s 0 0 12529.5227 0 59 12730.0000 12529.5227 1.57% - 0s 0 0 12530.1117 0 55 12730.0000 12530.1117 1.57% - 0s 0 0 12530.2503 0 60 12730.0000 12530.2503 1.57% - 0s 0 0 12532.3810 0 57 12730.0000 12532.3810 1.55% - 0s 0 0 12534.4800 0 44 12730.0000 12534.4800 1.54% - 0s 0 0 12534.6562 0 53 12730.0000 12534.6562 1.53% - 0s 0 0 12534.7582 0 61 12730.0000 12534.7582 1.53% - 0s 0 0 12535.3469 0 49 12730.0000 12535.3469 1.53% - 0s 0 0 12535.4315 0 70 12730.0000 12535.4315 1.53% - 0s 0 0 12535.4453 0 67 12730.0000 12535.4453 1.53% - 0s 0 0 12535.5406 0 64 12730.0000 12535.5406 1.53% - 0s 0 0 12535.7576 0 69 12730.0000 12535.7576 1.53% - 0s 0 0 12536.2621 0 71 12730.0000 12536.2621 1.52% - 0s 0 0 12541.8128 0 64 12730.0000 12541.8128 1.48% - 0s 0 0 12542.8320 0 64 12730.0000 12542.8320 1.47% - 0s 0 0 12543.2688 0 67 12730.0000 12543.2688 1.47% - 0s 0 0 12543.2720 0 73 12730.0000 12543.2720 1.47% - 0s 0 0 12543.2956 0 72 12730.0000 12543.2956 1.47% - 1s H 0 0 12729.000000 12543.2956 1.46% - 1s 0 2 12543.7025 0 72 12729.0000 12543.7025 1.46% - 1s * 165 40 9 12728.000000 12632.5000 0.75% 5.7 1s Cutting planes: Gomory: 2 Zero half: 28 Explored 338 nodes (2334 simplex iterations) in 1.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272800000000e+04, best bound 1.272700000000e+04, gap 0.0079% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 40), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 242 rows, 1128 columns and 54032 nonzeros Presolve time: 0.03s Presolved: 242 rows, 1128 columns, 54032 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12937.000000 12502.0000 3.36% - 0s 0 0 12502.3333 0 30 12937.0000 12502.3333 3.36% - 0s 0 0 12502.3333 0 22 12937.0000 12502.3333 3.36% - 0s 0 0 12502.4167 0 30 12937.0000 12502.4167 3.36% - 0s 0 0 12520.8000 0 35 12937.0000 12520.8000 3.22% - 0s 0 0 12520.9494 0 44 12937.0000 12520.9494 3.22% - 0s 0 0 12522.2069 0 35 12937.0000 12522.2069 3.21% - 0s H 0 0 12765.000000 12522.2069 1.90% - 0s 0 0 12524.0000 0 41 12765.0000 12524.0000 1.89% - 0s H 0 0 12730.000000 12524.0000 1.62% - 0s 0 2 12534.0000 0 41 12730.0000 12534.0000 1.54% - 0s * 225 43 21 12728.000000 12642.0000 0.68% 6.3 1s Cutting planes: Gomory: 12 Zero half: 10 Explored 405 nodes (2472 simplex iterations) in 1.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272800000000e+04, best bound 1.272800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 243 rows, 1128 columns and 54332 nonzeros Presolve time: 0.03s Presolved: 243 rows, 1128 columns, 54332 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12520.4444 0 40 47372.0000 12520.4444 73.6% - 0s 0 0 12520.8889 0 48 47372.0000 12520.8889 73.6% - 0s 0 0 12523.1111 0 41 47372.0000 12523.1111 73.6% - 0s 0 0 12523.5556 0 49 47372.0000 12523.5556 73.6% - 0s 0 0 12524.8000 0 39 47372.0000 12524.8000 73.6% - 0s 0 0 12525.0000 0 47 47372.0000 12525.0000 73.6% - 0s 0 0 12525.6744 0 47 47372.0000 12525.6744 73.6% - 0s 0 0 12525.7829 0 55 47372.0000 12525.7829 73.6% - 0s 0 0 12526.9333 0 49 47372.0000 12526.9333 73.6% - 0s 0 0 12527.0111 0 57 47372.0000 12527.0111 73.6% - 0s 0 0 12527.4869 0 56 47372.0000 12527.4869 73.6% - 0s 0 0 12527.5158 0 57 47372.0000 12527.5158 73.6% - 0s 0 0 12527.5841 0 61 47372.0000 12527.5841 73.6% - 0s H 0 0 17556.000000 12527.5841 28.6% - 0s H 0 0 13120.000000 12527.5841 4.52% - 0s H 0 0 12730.000000 12527.5841 1.59% - 0s 0 0 12527.7465 0 61 12730.0000 12527.7465 1.59% - 0s 0 0 12527.7465 0 22 12730.0000 12527.7465 1.59% - 0s 0 0 12527.7465 0 59 12730.0000 12527.7465 1.59% - 0s 0 0 12529.2347 0 60 12730.0000 12529.2347 1.58% - 0s 0 0 12529.4595 0 57 12730.0000 12529.4595 1.58% - 0s 0 0 12529.5227 0 59 12730.0000 12529.5227 1.57% - 0s 0 0 12530.1117 0 55 12730.0000 12530.1117 1.57% - 0s 0 0 12530.2503 0 60 12730.0000 12530.2503 1.57% - 0s 0 0 12532.3810 0 57 12730.0000 12532.3810 1.55% - 0s 0 0 12534.4800 0 44 12730.0000 12534.4800 1.54% - 0s 0 0 12534.6562 0 53 12730.0000 12534.6562 1.53% - 0s 0 0 12534.7582 0 61 12730.0000 12534.7582 1.53% - 0s 0 0 12535.3469 0 49 12730.0000 12535.3469 1.53% - 0s 0 0 12535.4315 0 70 12730.0000 12535.4315 1.53% - 0s 0 0 12535.4453 0 67 12730.0000 12535.4453 1.53% - 0s 0 0 12535.5406 0 64 12730.0000 12535.5406 1.53% - 0s 0 0 12535.7954 0 69 12730.0000 12535.7954 1.53% - 0s 0 0 12535.9838 0 70 12730.0000 12535.9838 1.52% - 0s 0 0 12541.6953 0 71 12730.0000 12541.6953 1.48% - 0s 0 0 12542.4592 0 65 12730.0000 12542.4592 1.47% - 0s 0 0 12543.3602 0 70 12730.0000 12543.3602 1.47% - 0s 0 0 12543.5493 0 73 12730.0000 12543.5493 1.46% - 0s 0 0 12543.7977 0 77 12730.0000 12543.7977 1.46% - 0s 0 0 12543.9914 0 79 12730.0000 12543.9914 1.46% - 0s 0 0 12544.8049 0 60 12730.0000 12544.8049 1.45% - 0s 0 0 12545.0570 0 69 12730.0000 12545.0570 1.45% - 0s 0 0 12545.7450 0 68 12730.0000 12545.7450 1.45% - 0s 0 0 12545.9508 0 70 12730.0000 12545.9508 1.45% - 0s 0 0 12546.2354 0 67 12730.0000 12546.2354 1.44% - 0s 0 0 12546.5274 0 75 12730.0000 12546.5274 1.44% - 0s 0 0 12546.5979 0 76 12730.0000 12546.5979 1.44% - 0s 0 0 12547.0864 0 72 12730.0000 12547.0864 1.44% - 0s 0 0 12547.2424 0 71 12730.0000 12547.2424 1.44% - 0s 0 0 12547.6028 0 74 12730.0000 12547.6028 1.43% - 1s 0 0 12547.7874 0 71 12730.0000 12547.7874 1.43% - 1s 0 0 12547.8017 0 70 12730.0000 12547.8017 1.43% - 1s 0 0 12547.8026 0 71 12730.0000 12547.8026 1.43% - 1s 0 0 12547.8033 0 71 12730.0000 12547.8033 1.43% - 1s 0 2 12547.8586 0 71 12730.0000 12547.8586 1.43% - 1s * 73 32 23 12729.000000 12564.9583 1.29% 6.3 1s * 251 68 12 12728.000000 12622.7500 0.83% 6.2 1s Cutting planes: Gomory: 2 Zero half: 36 Explored 613 nodes (3991 simplex iterations) in 1.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272800000000e+04, best bound 1.272800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 244 rows, 1128 columns and 54632 nonzeros Presolve time: 0.03s Presolved: 244 rows, 1128 columns, 54632 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12732.000000 12502.0000 1.81% - 0s 0 0 12502.3333 0 30 12732.0000 12502.3333 1.80% - 0s 0 0 12502.3333 0 22 12732.0000 12502.3333 1.80% - 0s 0 0 12519.7000 0 37 12732.0000 12519.7000 1.67% - 0s 0 0 12521.0500 0 43 12732.0000 12521.0500 1.66% - 0s 0 0 12522.0000 0 27 12732.0000 12522.0000 1.65% - 0s 0 0 12523.6154 0 54 12732.0000 12523.6154 1.64% - 0s 0 0 12523.7273 0 50 12732.0000 12523.7273 1.64% - 0s 0 0 12524.6491 0 59 12732.0000 12524.6491 1.63% - 0s 0 0 12524.6667 0 30 12732.0000 12524.6667 1.63% - 0s 0 0 12530.0000 0 40 12732.0000 12530.0000 1.59% - 0s 0 0 12532.9231 0 43 12732.0000 12532.9231 1.56% - 0s 0 0 12533.4359 0 51 12732.0000 12533.4359 1.56% - 0s 0 0 12534.0000 0 29 12732.0000 12534.0000 1.56% - 0s 0 0 12536.2167 0 50 12732.0000 12536.2167 1.54% - 0s 0 0 12536.3333 0 32 12732.0000 12536.3333 1.54% - 0s 0 0 12539.3485 0 39 12732.0000 12539.3485 1.51% - 0s 0 0 12540.5383 0 47 12732.0000 12540.5383 1.50% - 0s 0 0 12544.1154 0 42 12732.0000 12544.1154 1.48% - 0s 0 0 12544.1882 0 50 12732.0000 12544.1882 1.48% - 0s 0 0 12545.5605 0 59 12732.0000 12545.5605 1.46% - 0s 0 0 12545.8340 0 61 12732.0000 12545.8340 1.46% - 0s 0 0 12546.0287 0 67 12732.0000 12546.0287 1.46% - 0s 0 0 12546.2593 0 64 12732.0000 12546.2593 1.46% - 0s 0 0 12546.4017 0 65 12732.0000 12546.4017 1.46% - 0s 0 0 12547.1364 0 66 12732.0000 12547.1364 1.45% - 0s 0 0 12547.2834 0 67 12732.0000 12547.2834 1.45% - 0s 0 0 12547.3532 0 67 12732.0000 12547.3532 1.45% - 0s 0 0 12547.6978 0 69 12732.0000 12547.6978 1.45% - 0s 0 0 12547.8227 0 70 12732.0000 12547.8227 1.45% - 0s 0 0 12548.5000 0 10 12732.0000 12548.5000 1.44% - 0s 0 0 12549.1673 0 61 12732.0000 12549.1673 1.44% - 0s 0 0 12549.3177 0 66 12732.0000 12549.3177 1.43% - 0s 0 0 12549.3360 0 66 12732.0000 12549.3360 1.43% - 0s 0 0 12549.3525 0 67 12732.0000 12549.3525 1.43% - 0s 0 2 12549.3978 0 67 12732.0000 12549.3978 1.43% - 0s * 22 11 20 12730.000000 12568.6923 1.27% 7.5 0s * 53 23 22 12729.000000 12587.7895 1.11% 7.1 0s Cutting planes: Gomory: 1 Zero half: 25 Explored 309 nodes (2179 simplex iterations) in 1.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272900000000e+04, best bound 1.272900000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 245 rows, 1128 columns and 54863 nonzeros Presolve time: 0.03s Presolved: 245 rows, 1128 columns, 54863 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12821.000000 12502.0000 2.49% - 0s 0 0 12502.3333 0 30 12821.0000 12502.3333 2.49% - 0s 0 0 12502.3333 0 22 12821.0000 12502.3333 2.49% - 0s 0 0 12502.4167 0 30 12821.0000 12502.4167 2.48% - 0s H 0 0 12761.000000 12502.4167 2.03% - 0s 0 0 12521.5530 0 44 12761.0000 12521.5530 1.88% - 0s 0 0 12522.0000 0 27 12761.0000 12522.0000 1.87% - 0s 0 2 12534.2500 0 27 12761.0000 12534.2500 1.78% - 0s H 1 2 12732.000000 12534.2500 1.55% 0.0 0s H 16 11 12730.000000 12548.8465 1.42% 0.0 0s * 56 12 25 12729.000000 12580.0000 1.17% 9.7 1s Cutting planes: Gomory: 7 Zero half: 10 Mod-K: 1 Explored 372 nodes (2133 simplex iterations) in 1.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.272900000000e+04, best bound 1.272900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (13, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 246 rows, 1128 columns and 55188 nonzeros Presolve time: 0.03s Presolved: 246 rows, 1128 columns, 55188 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start H 0 0 12732.000000 12502.0000 1.81% - 0s 0 0 12502.3333 0 30 12732.0000 12502.3333 1.80% - 0s 0 0 12502.3333 0 22 12732.0000 12502.3333 1.80% - 0s 0 0 12519.7000 0 37 12732.0000 12519.7000 1.67% - 0s 0 0 12521.0500 0 43 12732.0000 12521.0500 1.66% - 0s 0 0 12522.0000 0 27 12732.0000 12522.0000 1.65% - 0s 0 0 12523.6154 0 54 12732.0000 12523.6154 1.64% - 0s 0 0 12523.7273 0 50 12732.0000 12523.7273 1.64% - 0s 0 0 12524.6491 0 59 12732.0000 12524.6491 1.63% - 0s 0 0 12524.6667 0 30 12732.0000 12524.6667 1.63% - 0s 0 0 12530.0000 0 40 12732.0000 12530.0000 1.59% - 0s 0 0 12532.9231 0 43 12732.0000 12532.9231 1.56% - 0s 0 0 12533.4359 0 51 12732.0000 12533.4359 1.56% - 0s 0 0 12534.0000 0 29 12732.0000 12534.0000 1.56% - 0s 0 0 12536.2167 0 50 12732.0000 12536.2167 1.54% - 0s 0 0 12536.3333 0 32 12732.0000 12536.3333 1.54% - 0s 0 0 12539.3485 0 39 12732.0000 12539.3485 1.51% - 0s 0 0 12540.5383 0 47 12732.0000 12540.5383 1.50% - 0s 0 0 12544.1154 0 42 12732.0000 12544.1154 1.48% - 0s 0 0 12544.1882 0 50 12732.0000 12544.1882 1.48% - 0s 0 0 12545.5605 0 59 12732.0000 12545.5605 1.46% - 0s 0 0 12545.8340 0 61 12732.0000 12545.8340 1.46% - 0s 0 0 12546.0287 0 67 12732.0000 12546.0287 1.46% - 0s 0 0 12546.2593 0 64 12732.0000 12546.2593 1.46% - 0s 0 0 12546.4017 0 65 12732.0000 12546.4017 1.46% - 0s 0 0 12547.1364 0 66 12732.0000 12547.1364 1.45% - 0s 0 0 12547.2834 0 67 12732.0000 12547.2834 1.45% - 0s 0 0 12547.3532 0 67 12732.0000 12547.3532 1.45% - 0s 0 0 12547.6978 0 69 12732.0000 12547.6978 1.45% - 0s 0 0 12547.8227 0 70 12732.0000 12547.8227 1.45% - 0s 0 0 12548.5000 0 10 12732.0000 12548.5000 1.44% - 0s 0 0 12549.1673 0 61 12732.0000 12549.1673 1.44% - 0s 0 0 12549.3177 0 66 12732.0000 12549.3177 1.43% - 0s 0 0 12549.3360 0 66 12732.0000 12549.3360 1.43% - 0s 0 0 12549.3525 0 67 12732.0000 12549.3525 1.43% - 0s 0 2 12549.3742 0 67 12732.0000 12549.3742 1.43% - 0s * 124 45 3 12730.000000 12597.6429 1.04% 6.2 0s Cutting planes: Gomory: 1 Zero half: 21 Explored 294 nodes (2242 simplex iterations) in 1.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273000000000e+04, best bound 1.273000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 247 rows, 1128 columns and 55488 nonzeros Presolve time: 0.03s Presolved: 247 rows, 1128 columns, 55488 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.250200e+04, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12502.0000 0 22 47372.0000 12502.0000 73.6% - 0s Another try with MIP start 0 0 12502.3333 0 30 47372.0000 12502.3333 73.6% - 0s 0 0 12521.1250 0 40 47372.0000 12521.1250 73.6% - 0s 0 0 12521.5000 0 48 47372.0000 12521.5000 73.6% - 0s 0 0 12543.2500 0 41 47372.0000 12543.2500 73.5% - 0s 0 0 12545.3651 0 49 47372.0000 12545.3651 73.5% - 0s 0 0 12546.0000 0 39 47372.0000 12546.0000 73.5% - 0s 0 0 12546.0763 0 59 47372.0000 12546.0763 73.5% - 0s 0 0 12546.2236 0 60 47372.0000 12546.2236 73.5% - 0s 0 0 12547.2976 0 39 47372.0000 12547.2976 73.5% - 0s 0 0 12547.4808 0 39 47372.0000 12547.4808 73.5% - 0s 0 0 12547.5703 0 41 47372.0000 12547.5703 73.5% - 0s 0 0 12547.8541 0 62 47372.0000 12547.8541 73.5% - 0s H 0 0 14602.000000 12547.8541 14.1% - 0s H 0 0 13172.000000 12547.8541 4.74% - 0s H 0 0 12730.000000 12547.8541 1.43% - 0s 0 0 12547.9030 0 44 12730.0000 12547.9030 1.43% - 0s 0 0 12547.9030 0 22 12730.0000 12547.9030 1.43% - 0s 0 0 12547.9030 0 53 12730.0000 12547.9030 1.43% - 0s 0 0 12547.9030 0 39 12730.0000 12547.9030 1.43% - 0s 0 0 12547.9078 0 44 12730.0000 12547.9078 1.43% - 0s 0 0 12547.9541 0 65 12730.0000 12547.9541 1.43% - 0s 0 2 12548.5707 0 65 12730.0000 12548.5707 1.43% - 0s Cutting planes: Gomory: 1 Cover: 1 Zero half: 11 Mod-K: 2 Explored 287 nodes (2161 simplex iterations) in 1.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273000000000e+04, best bound 1.273000000000e+04, gap 0.0% adding cut for [(33, 46), (2, 9), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 248 rows, 1128 columns and 55698 nonzeros Presolve time: 0.03s Presolved: 248 rows, 1128 columns, 55698 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12757.000000 12519.2500 1.86% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 36 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12553.4000 0 44 12757.0000 12553.4000 1.60% - 0s 0 0 12559.5526 0 39 12757.0000 12559.5526 1.55% - 0s 0 0 12561.1834 0 53 12757.0000 12561.1834 1.53% - 0s 0 0 12562.6033 0 51 12757.0000 12562.6033 1.52% - 0s 0 0 12562.8469 0 59 12757.0000 12562.8469 1.52% - 0s 0 0 12563.4704 0 60 12757.0000 12563.4704 1.52% - 0s 0 2 12563.5321 0 60 12757.0000 12563.5321 1.52% - 0s * 30 13 26 12748.000000 12583.0000 1.29% 8.5 0s * 33 13 9 12739.000000 12591.4615 1.16% 8.8 0s * 129 64 11 12735.000000 12613.7500 0.95% 6.4 0s * 220 80 11 12732.000000 12640.8163 0.72% 5.7 0s * 222 79 12 12730.000000 12640.8163 0.70% 5.7 0s Cutting planes: Gomory: 6 Zero half: 7 Explored 423 nodes (2617 simplex iterations) in 0.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273000000000e+04, best bound 1.273000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 249 rows, 1128 columns and 56023 nonzeros Presolve time: 0.03s Presolved: 249 rows, 1128 columns, 56023 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12553.2029 0 44 12796.0000 12553.2029 1.90% - 0s 0 0 12556.2581 0 45 12796.0000 12556.2581 1.87% - 0s H 0 0 12778.000000 12556.2581 1.74% - 0s 0 0 12560.1282 0 25 12778.0000 12560.1282 1.71% - 0s 0 0 12560.5858 0 42 12778.0000 12560.5858 1.70% - 0s 0 0 12560.7550 0 50 12778.0000 12560.7550 1.70% - 0s 0 0 12561.4532 0 56 12778.0000 12561.4532 1.69% - 0s 0 0 12561.5557 0 45 12778.0000 12561.5557 1.69% - 0s 0 0 12562.0493 0 53 12778.0000 12562.0493 1.69% - 0s 0 0 12562.0893 0 62 12778.0000 12562.0893 1.69% - 0s 0 0 12562.1827 0 57 12778.0000 12562.1827 1.69% - 0s 0 0 12562.4510 0 57 12778.0000 12562.4510 1.69% - 0s 0 0 12562.4699 0 64 12778.0000 12562.4699 1.69% - 0s 0 0 12562.5817 0 66 12778.0000 12562.5817 1.69% - 0s 0 0 12563.3336 0 56 12778.0000 12563.3336 1.68% - 0s 0 0 12563.5855 0 50 12778.0000 12563.5855 1.68% - 0s 0 0 12563.7187 0 40 12778.0000 12563.7187 1.68% - 0s 0 0 12563.7449 0 51 12778.0000 12563.7449 1.68% - 0s H 0 0 12777.000000 12563.7449 1.67% - 0s H 0 0 12731.000000 12563.7449 1.31% - 0s 0 2 12563.8320 0 51 12731.0000 12563.8320 1.31% - 0s * 126 25 11 12730.000000 12636.0000 0.74% 6.8 0s Cutting planes: Gomory: 7 Zero half: 11 Explored 238 nodes (1866 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273000000000e+04, best bound 1.273000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 250 rows, 1128 columns and 56254 nonzeros Presolve time: 0.03s Presolved: 250 rows, 1128 columns, 56254 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12553.2029 0 44 12796.0000 12553.2029 1.90% - 0s 0 0 12556.2581 0 45 12796.0000 12556.2581 1.87% - 0s 0 0 12560.1282 0 25 12796.0000 12560.1282 1.84% - 0s 0 0 12560.5335 0 40 12796.0000 12560.5335 1.84% - 0s 0 0 12560.9368 0 49 12796.0000 12560.9368 1.84% - 0s 0 0 12561.6450 0 59 12796.0000 12561.6450 1.83% - 0s 0 0 12561.8133 0 59 12796.0000 12561.8133 1.83% - 0s 0 0 12562.1364 0 49 12796.0000 12562.1364 1.83% - 0s 0 0 12562.1766 0 57 12796.0000 12562.1766 1.83% - 0s 0 0 12562.1801 0 54 12796.0000 12562.1801 1.83% - 0s H 0 0 12731.000000 12562.1801 1.33% - 0s 0 2 12562.2117 0 54 12731.0000 12562.2117 1.33% - 0s Cutting planes: Gomory: 5 Zero half: 10 Mod-K: 2 Explored 272 nodes (1720 simplex iterations) in 0.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273100000000e+04, best bound 1.273100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 251 rows, 1128 columns and 56605 nonzeros Presolve time: 0.03s Presolved: 251 rows, 1128 columns, 56605 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12731.000000 12519.2500 1.66% - 0s 0 0 12548.0000 0 11 12731.0000 12548.0000 1.44% - 0s 0 0 12548.0000 0 36 12731.0000 12548.0000 1.44% - 0s 0 0 12548.0000 0 11 12731.0000 12548.0000 1.44% - 0s 0 0 12554.2069 0 42 12731.0000 12554.2069 1.39% - 0s 0 0 12558.4781 0 45 12731.0000 12558.4781 1.36% - 0s 0 0 12560.8588 0 36 12731.0000 12560.8588 1.34% - 0s 0 0 12561.9011 0 47 12731.0000 12561.9011 1.33% - 0s 0 0 12562.0507 0 55 12731.0000 12562.0507 1.33% - 0s 0 0 12563.0374 0 44 12731.0000 12563.0374 1.32% - 0s 0 0 12563.0420 0 47 12731.0000 12563.0420 1.32% - 0s 0 0 12563.0770 0 55 12731.0000 12563.0770 1.32% - 0s 0 0 12563.1913 0 54 12731.0000 12563.1913 1.32% - 0s 0 0 12563.2732 0 54 12731.0000 12563.2732 1.32% - 0s 0 0 12563.2957 0 61 12731.0000 12563.2957 1.32% - 0s 0 0 12563.3369 0 64 12731.0000 12563.3369 1.32% - 0s 0 0 12563.5200 0 55 12731.0000 12563.5200 1.32% - 0s 0 0 12563.8777 0 62 12731.0000 12563.8777 1.31% - 0s 0 0 12563.9414 0 64 12731.0000 12563.9414 1.31% - 0s 0 0 12564.0604 0 65 12731.0000 12564.0604 1.31% - 0s 0 0 12564.3103 0 60 12731.0000 12564.3103 1.31% - 0s 0 0 12564.3754 0 65 12731.0000 12564.3754 1.31% - 0s 0 0 12564.5487 0 61 12731.0000 12564.5487 1.31% - 0s 0 0 12564.8649 0 63 12731.0000 12564.8649 1.30% - 0s 0 0 12564.8673 0 65 12731.0000 12564.8673 1.30% - 0s 0 2 12564.9304 0 65 12731.0000 12564.9304 1.30% - 0s Cutting planes: Gomory: 4 Zero half: 9 Explored 244 nodes (1856 simplex iterations) in 0.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273100000000e+04, best bound 1.273100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 24), (12, 40), (13, 16), (13, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 252 rows, 1128 columns and 56983 nonzeros Presolve time: 0.03s Presolved: 252 rows, 1128 columns, 56983 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s H 0 0 12757.000000 12548.0000 1.64% - 0s 0 0 12554.5000 0 16 12757.0000 12554.5000 1.59% - 0s 0 0 12559.1239 0 47 12757.0000 12559.1239 1.55% - 0s 0 0 12559.2131 0 42 12757.0000 12559.2131 1.55% - 0s 0 2 12560.2449 0 42 12757.0000 12560.2449 1.54% - 0s H 18 13 12749.000000 12567.7906 1.42% 0.0 0s H 18 12 12732.000000 12567.7906 1.29% 0.0 0s Cutting planes: Gomory: 6 Zero half: 2 Mod-K: 1 Explored 325 nodes (2095 simplex iterations) in 1.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273200000000e+04, best bound 1.273200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 21), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 253 rows, 1128 columns and 57334 nonzeros Presolve time: 0.03s Presolved: 253 rows, 1128 columns, 57334 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.3333 0 19 12796.0000 12548.3333 1.94% - 0s 0 0 12549.8747 0 48 12796.0000 12549.8747 1.92% - 0s 0 0 12549.9730 0 56 12796.0000 12549.9730 1.92% - 0s 0 0 12550.9537 0 51 12796.0000 12550.9537 1.92% - 0s 0 0 12551.0354 0 59 12796.0000 12551.0354 1.91% - 0s 0 0 12551.7412 0 52 12796.0000 12551.7412 1.91% - 0s 0 0 12551.8607 0 58 12796.0000 12551.8607 1.91% - 0s 0 0 12552.0188 0 57 12796.0000 12552.0188 1.91% - 0s 0 0 12552.1323 0 55 12796.0000 12552.1323 1.91% - 0s 0 0 12552.3466 0 46 12796.0000 12552.3466 1.90% - 0s 0 0 12552.5197 0 60 12796.0000 12552.5197 1.90% - 0s 0 0 12552.8355 0 57 12796.0000 12552.8355 1.90% - 0s 0 0 12552.8885 0 56 12796.0000 12552.8885 1.90% - 0s 0 0 12552.9470 0 60 12796.0000 12552.9470 1.90% - 0s 0 0 12553.3567 0 59 12796.0000 12553.3567 1.90% - 0s 0 0 12553.8865 0 67 12796.0000 12553.8865 1.89% - 0s 0 0 12554.4345 0 52 12796.0000 12554.4345 1.89% - 0s 0 0 12554.8800 0 52 12796.0000 12554.8800 1.88% - 0s 0 0 12555.1445 0 60 12796.0000 12555.1445 1.88% - 0s 0 0 12555.2754 0 61 12796.0000 12555.2754 1.88% - 0s 0 0 12555.4788 0 63 12796.0000 12555.4788 1.88% - 0s 0 0 12555.6956 0 63 12796.0000 12555.6956 1.88% - 0s 0 0 12555.7669 0 70 12796.0000 12555.7669 1.88% - 0s 0 0 12556.0447 0 60 12796.0000 12556.0447 1.88% - 0s H 0 0 12756.000000 12556.0447 1.57% - 0s 0 0 12556.0715 0 59 12756.0000 12556.0715 1.57% - 0s 0 2 12558.5776 0 59 12756.0000 12558.5776 1.55% - 0s H 1 2 12732.000000 12558.5776 1.36% 0.0 0s Cutting planes: Gomory: 8 Zero half: 12 Mod-K: 1 Explored 314 nodes (2607 simplex iterations) in 1.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273200000000e+04, best bound 1.273200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 254 rows, 1128 columns and 57685 nonzeros Presolve time: 0.03s Presolved: 254 rows, 1128 columns, 57685 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.3333 0 19 12796.0000 12548.3333 1.94% - 0s H 0 0 12757.000000 12548.3333 1.64% - 0s 0 0 12549.8747 0 48 12757.0000 12549.8747 1.62% - 0s 0 0 12549.9730 0 56 12757.0000 12549.9730 1.62% - 0s 0 0 12550.8088 0 50 12757.0000 12550.8088 1.62% - 0s 0 0 12550.9237 0 61 12757.0000 12550.9237 1.62% - 0s 0 0 12551.8147 0 66 12757.0000 12551.8147 1.61% - 0s 0 0 12552.4000 0 14 12757.0000 12552.4000 1.60% - 0s 0 0 12552.5274 0 53 12757.0000 12552.5274 1.60% - 0s 0 2 12556.6637 0 53 12757.0000 12556.6637 1.57% - 0s H 19 13 12739.000000 12575.3040 1.28% 0.0 0s * 85 28 28 12735.000000 12609.2222 0.99% 8.7 1s Cutting planes: Gomory: 7 Zero half: 3 Explored 350 nodes (2387 simplex iterations) in 1.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273500000000e+04, best bound 1.273500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 255 rows, 1128 columns and 57961 nonzeros Presolve time: 0.03s Presolved: 255 rows, 1128 columns, 57961 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12757.000000 12519.2500 1.86% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 36 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12553.4000 0 44 12757.0000 12553.4000 1.60% - 0s 0 0 12554.9737 0 50 12757.0000 12554.9737 1.58% - 0s 0 0 12559.0667 0 40 12757.0000 12559.0667 1.55% - 0s 0 0 12559.1111 0 39 12757.0000 12559.1111 1.55% - 0s 0 0 12559.4168 0 53 12757.0000 12559.4168 1.55% - 0s 0 0 12559.6266 0 45 12757.0000 12559.6266 1.55% - 0s 0 0 12559.7178 0 53 12757.0000 12559.7178 1.55% - 0s 0 0 12559.9067 0 58 12757.0000 12559.9067 1.54% - 0s 0 0 12560.3064 0 64 12757.0000 12560.3064 1.54% - 0s 0 0 12560.7520 0 60 12757.0000 12560.7520 1.54% - 0s 0 0 12560.8420 0 51 12757.0000 12560.8420 1.54% - 0s 0 0 12560.8672 0 63 12757.0000 12560.8672 1.54% - 0s 0 2 12561.0049 0 63 12757.0000 12561.0049 1.54% - 0s * 27 10 23 12755.000000 12604.7778 1.18% 7.4 0s H 29 8 12743.000000 12604.7778 1.08% 7.0 0s * 69 23 16 12738.000000 12617.2000 0.95% 5.3 0s * 127 30 12 12736.000000 12640.2500 0.75% 5.0 0s * 254 24 11 12735.000000 12681.5000 0.42% 4.8 0s Cutting planes: Gomory: 5 Zero half: 4 Mod-K: 2 Explored 309 nodes (1765 simplex iterations) in 0.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273500000000e+04, best bound 1.273500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (13, 16), (13, 21), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 256 rows, 1128 columns and 58261 nonzeros Presolve time: 0.03s Presolved: 256 rows, 1128 columns, 58261 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.3333 0 19 12796.0000 12548.3333 1.94% - 0s 0 0 12549.8747 0 48 12796.0000 12549.8747 1.92% - 0s H 0 0 12757.000000 12549.8747 1.62% - 0s 0 0 12549.9730 0 56 12757.0000 12549.9730 1.62% - 0s 0 0 12550.9259 0 51 12757.0000 12550.9259 1.62% - 0s 0 0 12551.0152 0 59 12757.0000 12551.0152 1.61% - 0s 0 0 12551.6729 0 56 12757.0000 12551.6729 1.61% - 0s 0 0 12551.7627 0 64 12757.0000 12551.7627 1.61% - 0s 0 0 12552.0750 0 59 12757.0000 12552.0750 1.61% - 0s 0 0 12552.4638 0 63 12757.0000 12552.4638 1.60% - 0s 0 0 12552.5286 0 60 12757.0000 12552.5286 1.60% - 0s 0 2 12558.1000 0 60 12757.0000 12558.1000 1.56% - 0s * 32 20 19 12743.000000 12575.4482 1.31% 13.5 1s * 35 18 21 12740.000000 12575.4482 1.29% 12.9 1s * 102 26 22 12736.000000 12598.8440 1.08% 9.8 1s Cutting planes: Gomory: 10 Zero half: 4 Explored 299 nodes (2266 simplex iterations) in 1.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273600000000e+04, best bound 1.273600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 257 rows, 1128 columns and 58586 nonzeros Presolve time: 0.03s Presolved: 257 rows, 1128 columns, 58586 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12757.000000 12519.2500 1.86% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 36 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12553.4000 0 44 12757.0000 12553.4000 1.60% - 0s 0 0 12554.9737 0 50 12757.0000 12554.9737 1.58% - 0s 0 0 12559.0667 0 40 12757.0000 12559.0667 1.55% - 0s 0 0 12559.1081 0 46 12757.0000 12559.1081 1.55% - 0s 0 0 12559.1102 0 47 12757.0000 12559.1102 1.55% - 0s 0 0 12559.4453 0 53 12757.0000 12559.4453 1.55% - 0s 0 0 12559.6266 0 45 12757.0000 12559.6266 1.55% - 0s 0 0 12559.7231 0 57 12757.0000 12559.7231 1.55% - 0s 0 0 12560.1573 0 57 12757.0000 12560.1573 1.54% - 0s 0 0 12560.4662 0 51 12757.0000 12560.4662 1.54% - 0s 0 0 12560.5202 0 63 12757.0000 12560.5202 1.54% - 0s 0 0 12560.5966 0 66 12757.0000 12560.5966 1.54% - 0s 0 0 12560.7933 0 60 12757.0000 12560.7933 1.54% - 0s 0 0 12560.9855 0 57 12757.0000 12560.9855 1.54% - 0s 0 0 12561.0866 0 65 12757.0000 12561.0866 1.54% - 0s 0 0 12561.2440 0 54 12757.0000 12561.2440 1.53% - 0s H 0 0 12746.000000 12561.2440 1.45% - 0s 0 2 12561.5026 0 54 12746.0000 12561.5026 1.45% - 0s * 19 10 17 12736.000000 12606.0000 1.02% 9.7 0s Cutting planes: Gomory: 4 Zero half: 8 Mod-K: 2 Explored 284 nodes (1776 simplex iterations) in 0.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273600000000e+04, best bound 1.273500000000e+04, gap 0.0079% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 16), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 258 rows, 1128 columns and 58862 nonzeros Presolve time: 0.03s Presolved: 258 rows, 1128 columns, 58862 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12554.5000 0 16 12796.0000 12554.5000 1.89% - 0s H 0 0 12757.000000 12554.5000 1.59% - 0s 0 0 12555.4000 0 41 12757.0000 12555.4000 1.58% - 0s 0 0 12555.5471 0 49 12757.0000 12555.5471 1.58% - 0s 0 0 12555.5778 0 43 12757.0000 12555.5778 1.58% - 0s 0 0 12555.7020 0 51 12757.0000 12555.7020 1.58% - 0s 0 0 12555.9361 0 52 12757.0000 12555.9361 1.58% - 0s 0 0 12556.2679 0 56 12757.0000 12556.2679 1.57% - 0s 0 0 12556.8030 0 46 12757.0000 12556.8030 1.57% - 0s H 0 0 12740.000000 12556.8030 1.44% - 0s 0 0 12556.9684 0 60 12740.0000 12556.9684 1.44% - 0s 0 2 12559.0359 0 60 12740.0000 12559.0359 1.42% - 0s H 17 12 12739.000000 12572.5774 1.31% 0.0 1s * 162 34 26 12738.000000 12628.0000 0.86% 8.3 1s * 217 29 19 12737.000000 12664.5000 0.57% 7.5 1s Cutting planes: Gomory: 8 Zero half: 11 Explored 290 nodes (2222 simplex iterations) in 1.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273700000000e+04, best bound 1.273700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 259 rows, 1128 columns and 59187 nonzeros Presolve time: 0.03s Presolved: 259 rows, 1128 columns, 59187 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12757.000000 12519.2500 1.86% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 36 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12553.7097 0 44 12757.0000 12553.7097 1.59% - 0s 0 0 12555.8387 0 50 12757.0000 12555.8387 1.58% - 0s 0 0 12560.7847 0 42 12757.0000 12560.7847 1.54% - 0s 0 0 12560.9068 0 50 12757.0000 12560.9068 1.54% - 0s 0 0 12561.5355 0 53 12757.0000 12561.5355 1.53% - 0s 0 0 12561.5898 0 50 12757.0000 12561.5898 1.53% - 0s 0 0 12561.7029 0 57 12757.0000 12561.7029 1.53% - 0s 0 0 12561.9387 0 62 12757.0000 12561.9387 1.53% - 0s 0 0 12562.7088 0 55 12757.0000 12562.7088 1.52% - 0s 0 0 12562.7811 0 65 12757.0000 12562.7811 1.52% - 0s 0 0 12563.0722 0 61 12757.0000 12563.0722 1.52% - 0s 0 0 12563.2203 0 55 12757.0000 12563.2203 1.52% - 0s 0 0 12563.2685 0 66 12757.0000 12563.2685 1.52% - 0s 0 0 12563.5762 0 52 12757.0000 12563.5762 1.52% - 0s H 0 0 12740.000000 12563.5762 1.38% - 0s 0 2 12563.6000 0 52 12740.0000 12563.6000 1.38% - 0s * 53 29 11 12739.000000 12587.5139 1.19% 6.7 0s * 142 38 24 12738.000000 12628.6250 0.86% 5.8 0s Cutting planes: Gomory: 5 Zero half: 13 Explored 294 nodes (2001 simplex iterations) in 0.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273800000000e+04, best bound 1.273800000000e+04, gap 0.0% adding cut for [(33, 46), (2, 38), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 260 rows, 1128 columns and 59397 nonzeros Presolve time: 0.03s Presolved: 260 rows, 1128 columns, 59397 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12554.2258 0 42 12796.0000 12554.2258 1.89% - 0s H 0 0 12782.000000 12554.2258 1.78% - 0s 0 0 12559.2037 0 43 12782.0000 12559.2037 1.74% - 0s 0 0 12559.3426 0 51 12782.0000 12559.3426 1.74% - 0s 0 0 12559.7771 0 49 12782.0000 12559.7771 1.74% - 0s 0 0 12559.7998 0 55 12782.0000 12559.7998 1.74% - 0s 0 0 12559.8202 0 51 12782.0000 12559.8202 1.74% - 0s 0 0 12559.8926 0 59 12782.0000 12559.8926 1.74% - 0s 0 0 12560.0239 0 61 12782.0000 12560.0239 1.74% - 0s H 0 0 12740.000000 12560.0239 1.41% - 0s 0 2 12560.0584 0 61 12740.0000 12560.0584 1.41% - 0s * 63 32 23 12739.000000 12597.0000 1.11% 6.0 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 285 nodes (1945 simplex iterations) in 0.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273900000000e+04, best bound 1.273900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 261 rows, 1128 columns and 59722 nonzeros Presolve time: 0.03s Presolved: 261 rows, 1128 columns, 59722 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s H 0 0 12746.000000 12548.0000 1.55% - 0s 0 0 12554.2258 0 42 12746.0000 12554.2258 1.50% - 0s 0 2 12559.1579 0 42 12746.0000 12559.1579 1.47% - 0s H 12 9 12740.000000 12573.5489 1.31% 0.0 0s * 293 7 23 12739.000000 12718.0000 0.16% 5.8 1s Cutting planes: Gomory: 7 Zero half: 3 Explored 301 nodes (1971 simplex iterations) in 1.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.273900000000e+04, best bound 1.273900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 262 rows, 1128 columns and 59975 nonzeros Presolve time: 0.03s Presolved: 262 rows, 1128 columns, 59975 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s H 0 0 12757.000000 12548.0000 1.64% - 0s 0 0 12554.2258 0 42 12757.0000 12554.2258 1.59% - 0s 0 0 12559.2037 0 43 12757.0000 12559.2037 1.55% - 0s 0 0 12559.3426 0 51 12757.0000 12559.3426 1.55% - 0s 0 2 12560.5670 0 51 12757.0000 12560.5670 1.54% - 0s H 24 16 12743.000000 12572.3732 1.34% 0.0 1s H 24 15 12740.000000 12572.3732 1.32% 0.0 1s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 3 Explored 238 nodes (1860 simplex iterations) in 1.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274000000000e+04, best bound 1.274000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 263 rows, 1128 columns and 60251 nonzeros Presolve time: 0.03s Presolved: 263 rows, 1128 columns, 60251 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12554.2258 0 42 12796.0000 12554.2258 1.89% - 0s 0 0 12559.2037 0 43 12796.0000 12559.2037 1.85% - 0s 0 0 12559.3426 0 51 12796.0000 12559.3426 1.85% - 0s 0 0 12559.7771 0 49 12796.0000 12559.7771 1.85% - 0s 0 0 12559.7998 0 55 12796.0000 12559.7998 1.85% - 0s 0 0 12559.8127 0 60 12796.0000 12559.8127 1.85% - 0s 0 0 12559.8320 0 53 12796.0000 12559.8320 1.85% - 0s H 0 0 12758.000000 12559.8320 1.55% - 0s 0 2 12560.0000 0 53 12758.0000 12560.0000 1.55% - 0s * 80 39 32 12755.000000 12595.3750 1.25% 6.0 0s * 113 52 20 12743.000000 12608.2857 1.06% 6.3 0s * 183 60 5 12741.000000 12624.5000 0.91% 6.2 0s * 327 25 12 12740.000000 12704.0000 0.28% 6.1 0s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 2 Explored 382 nodes (2510 simplex iterations) in 0.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274000000000e+04, best bound 1.274000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 264 rows, 1128 columns and 60551 nonzeros Presolve time: 0.03s Presolved: 264 rows, 1128 columns, 60551 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12554.2258 0 42 12796.0000 12554.2258 1.89% - 0s H 0 0 12782.000000 12554.2258 1.78% - 0s 0 0 12559.2037 0 43 12782.0000 12559.2037 1.74% - 0s 0 0 12559.3426 0 51 12782.0000 12559.3426 1.74% - 0s 0 0 12559.7771 0 49 12782.0000 12559.7771 1.74% - 0s 0 0 12559.7998 0 55 12782.0000 12559.7998 1.74% - 0s 0 0 12559.8202 0 51 12782.0000 12559.8202 1.74% - 0s 0 0 12559.8926 0 59 12782.0000 12559.8926 1.74% - 0s 0 0 12560.0239 0 61 12782.0000 12560.0239 1.74% - 0s 0 2 12560.0584 0 61 12782.0000 12560.0584 1.74% - 0s * 31 19 29 12757.000000 12575.5153 1.42% 5.5 0s * 87 44 33 12746.000000 12597.0000 1.17% 4.8 0s * 200 55 7 12741.000000 12636.0000 0.82% 5.2 0s * 358 14 5 12740.000000 12705.0000 0.27% 5.5 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 381 nodes (2342 simplex iterations) in 0.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274000000000e+04, best bound 1.274000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 265 rows, 1128 columns and 60876 nonzeros Presolve time: 0.03s Presolved: 265 rows, 1128 columns, 60876 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12554.2692 0 41 12796.0000 12554.2692 1.89% - 0s 0 0 12554.4688 0 50 12796.0000 12554.4688 1.89% - 0s 0 0 12558.8750 0 44 12796.0000 12558.8750 1.85% - 0s 0 0 12559.9975 0 53 12796.0000 12559.9975 1.84% - 0s 0 0 12560.7910 0 48 12796.0000 12560.7910 1.84% - 0s 0 0 12560.8899 0 51 12796.0000 12560.8899 1.84% - 0s 0 0 12560.9655 0 46 12796.0000 12560.9655 1.84% - 0s 0 0 12560.9764 0 60 12796.0000 12560.9764 1.84% - 0s 0 0 12561.1529 0 59 12796.0000 12561.1529 1.84% - 0s H 0 0 12791.000000 12561.1529 1.80% - 0s 0 0 12561.1634 0 60 12791.0000 12561.1634 1.80% - 0s 0 0 12561.2494 0 51 12791.0000 12561.2494 1.80% - 0s 0 0 12561.3284 0 49 12791.0000 12561.3284 1.80% - 0s 0 0 12561.3340 0 57 12791.0000 12561.3340 1.80% - 0s H 0 0 12752.000000 12561.3340 1.50% - 0s 0 2 12561.3391 0 57 12752.0000 12561.3391 1.50% - 0s * 14 11 10 12741.000000 12583.5000 1.24% 9.6 0s * 429 1 7 12740.000000 12735.0000 0.04% 5.6 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 431 nodes (2703 simplex iterations) in 0.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274000000000e+04, best bound 1.274000000000e+04, gap 0.0% adding cut for [(33, 46), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 266 rows, 1128 columns and 61086 nonzeros Presolve time: 0.03s Presolved: 266 rows, 1128 columns, 61086 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12554.2692 0 41 12796.0000 12554.2692 1.89% - 0s 0 0 12554.4688 0 50 12796.0000 12554.4688 1.89% - 0s 0 0 12558.8750 0 44 12796.0000 12558.8750 1.85% - 0s 0 0 12559.9975 0 53 12796.0000 12559.9975 1.84% - 0s 0 0 12560.7910 0 48 12796.0000 12560.7910 1.84% - 0s 0 0 12560.8899 0 51 12796.0000 12560.8899 1.84% - 0s 0 0 12560.9655 0 46 12796.0000 12560.9655 1.84% - 0s 0 0 12560.9764 0 60 12796.0000 12560.9764 1.84% - 0s 0 0 12561.1529 0 59 12796.0000 12561.1529 1.84% - 0s 0 0 12561.1634 0 60 12796.0000 12561.1634 1.84% - 0s 0 0 12561.2494 0 51 12796.0000 12561.2494 1.83% - 0s 0 0 12561.3284 0 49 12796.0000 12561.3284 1.83% - 0s 0 0 12561.3340 0 57 12796.0000 12561.3340 1.83% - 0s H 0 0 12752.000000 12561.3340 1.50% - 0s 0 2 12561.3391 0 57 12752.0000 12561.3391 1.50% - 0s * 17 9 10 12741.000000 12583.5000 1.24% 8.8 0s Cutting planes: Gomory: 3 Zero half: 7 Explored 349 nodes (2304 simplex iterations) in 1.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274100000000e+04, best bound 1.274100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (13, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 267 rows, 1128 columns and 61386 nonzeros Presolve time: 0.03s Presolved: 267 rows, 1128 columns, 61386 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12554.2692 0 41 12796.0000 12554.2692 1.89% - 0s 0 0 12554.4688 0 50 12796.0000 12554.4688 1.89% - 0s 0 0 12558.8750 0 44 12796.0000 12558.8750 1.85% - 0s 0 0 12559.9975 0 53 12796.0000 12559.9975 1.84% - 0s 0 0 12560.7910 0 48 12796.0000 12560.7910 1.84% - 0s 0 0 12560.8899 0 51 12796.0000 12560.8899 1.84% - 0s 0 0 12560.9655 0 46 12796.0000 12560.9655 1.84% - 0s 0 0 12560.9764 0 60 12796.0000 12560.9764 1.84% - 0s 0 0 12561.1529 0 59 12796.0000 12561.1529 1.84% - 0s 0 0 12561.1634 0 60 12796.0000 12561.1634 1.84% - 0s 0 0 12561.2494 0 51 12796.0000 12561.2494 1.83% - 0s 0 0 12561.3284 0 49 12796.0000 12561.3284 1.83% - 0s 0 0 12561.3340 0 57 12796.0000 12561.3340 1.83% - 0s H 0 0 12742.000000 12561.3340 1.42% - 0s 0 2 12561.3391 0 57 12742.0000 12561.3391 1.42% - 0s * 508 6 8 12741.000000 12716.3750 0.19% 5.2 1s Cutting planes: Gomory: 3 Zero half: 7 Explored 522 nodes (3054 simplex iterations) in 1.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274100000000e+04, best bound 1.274100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (13, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 268 rows, 1128 columns and 61686 nonzeros Presolve time: 0.03s Presolved: 268 rows, 1128 columns, 61686 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12796.000000 12519.2500 2.16% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 36 12796.0000 12548.0000 1.94% - 0s 0 0 12548.0000 0 11 12796.0000 12548.0000 1.94% - 0s 0 0 12554.2692 0 41 12796.0000 12554.2692 1.89% - 0s 0 0 12554.4688 0 50 12796.0000 12554.4688 1.89% - 0s 0 0 12558.8750 0 44 12796.0000 12558.8750 1.85% - 0s 0 0 12559.9975 0 53 12796.0000 12559.9975 1.84% - 0s 0 0 12560.7910 0 48 12796.0000 12560.7910 1.84% - 0s 0 0 12560.8899 0 51 12796.0000 12560.8899 1.84% - 0s 0 0 12560.9655 0 46 12796.0000 12560.9655 1.84% - 0s 0 0 12560.9764 0 60 12796.0000 12560.9764 1.84% - 0s 0 0 12561.1529 0 59 12796.0000 12561.1529 1.84% - 0s 0 0 12561.1634 0 60 12796.0000 12561.1634 1.84% - 0s 0 0 12561.2494 0 51 12796.0000 12561.2494 1.83% - 0s 0 0 12561.3218 0 49 12796.0000 12561.3218 1.83% - 0s 0 0 12561.3255 0 57 12796.0000 12561.3255 1.83% - 0s 0 0 12561.3271 0 64 12796.0000 12561.3271 1.83% - 0s 0 0 12561.3829 0 48 12796.0000 12561.3829 1.83% - 0s 0 0 12561.6172 0 56 12796.0000 12561.6172 1.83% - 0s 0 0 12561.6841 0 58 12796.0000 12561.6841 1.83% - 0s 0 0 12561.7483 0 63 12796.0000 12561.7483 1.83% - 0s 0 0 12562.0496 0 49 12796.0000 12562.0496 1.83% - 0s 0 0 12562.0827 0 57 12796.0000 12562.0827 1.83% - 0s 0 0 12562.1287 0 55 12796.0000 12562.1287 1.83% - 0s 0 0 12562.1890 0 63 12796.0000 12562.1890 1.83% - 0s 0 0 12562.4002 0 52 12796.0000 12562.4002 1.83% - 0s 0 0 12562.4279 0 55 12796.0000 12562.4279 1.83% - 0s 0 0 12562.4415 0 60 12796.0000 12562.4415 1.83% - 0s 0 0 12562.5652 0 50 12796.0000 12562.5652 1.82% - 0s 0 0 12562.6040 0 59 12796.0000 12562.6040 1.82% - 0s 0 0 12562.6267 0 63 12796.0000 12562.6267 1.82% - 0s 0 0 12562.7297 0 63 12796.0000 12562.7297 1.82% - 0s H 0 0 12788.000000 12562.7297 1.76% - 1s H 0 0 12742.000000 12562.7297 1.41% - 1s 0 2 12562.7955 0 63 12742.0000 12562.7955 1.41% - 1s Cutting planes: Gomory: 5 Zero half: 7 Mod-K: 3 Explored 321 nodes (2047 simplex iterations) in 1.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274200000000e+04, best bound 1.274100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 269 rows, 1128 columns and 62037 nonzeros Presolve time: 0.03s Presolved: 269 rows, 1128 columns, 62037 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start 0 0 12548.0000 0 11 47372.0000 12548.0000 73.5% - 0s 0 0 12554.5714 0 41 47372.0000 12554.5714 73.5% - 0s 0 0 12557.5959 0 43 47372.0000 12557.5959 73.5% - 0s 0 0 12560.2413 0 52 47372.0000 12560.2413 73.5% - 0s 0 0 12560.8897 0 48 47372.0000 12560.8897 73.5% - 0s 0 0 12561.5333 0 34 47372.0000 12561.5333 73.5% - 0s 0 0 12561.6222 0 36 47372.0000 12561.6222 73.5% - 0s 0 0 12561.6967 0 58 47372.0000 12561.6967 73.5% - 0s 0 0 12562.0104 0 54 47372.0000 12562.0104 73.5% - 0s 0 0 12562.3234 0 59 47372.0000 12562.3234 73.5% - 0s H 0 0 13963.000000 12562.3234 10.0% - 0s H 0 0 13117.000000 12562.3234 4.23% - 0s H 0 0 12742.000000 12562.3234 1.41% - 0s 0 0 12562.3385 0 59 12742.0000 12562.3385 1.41% - 0s 0 0 12562.3385 0 36 12742.0000 12562.3385 1.41% - 0s 0 0 12562.3385 0 18 12742.0000 12562.3385 1.41% - 0s 0 0 12562.3385 0 54 12742.0000 12562.3385 1.41% - 0s 0 0 12565.1656 0 46 12742.0000 12565.1656 1.39% - 0s 0 0 12565.3066 0 47 12742.0000 12565.3066 1.39% - 0s 0 0 12565.4006 0 55 12742.0000 12565.4006 1.39% - 0s 0 0 12565.9359 0 57 12742.0000 12565.9359 1.38% - 0s 0 0 12565.9359 0 56 12742.0000 12565.9359 1.38% - 0s 0 0 12565.9385 0 60 12742.0000 12565.9385 1.38% - 0s 0 0 12565.9993 0 59 12742.0000 12565.9993 1.38% - 0s 0 0 12566.0267 0 59 12742.0000 12566.0267 1.38% - 0s 0 2 12566.3084 0 59 12742.0000 12566.3084 1.38% - 1s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 1 Explored 282 nodes (2036 simplex iterations) in 1.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274200000000e+04, best bound 1.274200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 270 rows, 1128 columns and 62313 nonzeros Presolve time: 0.03s Presolved: 270 rows, 1128 columns, 62313 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start 0 0 12548.0000 0 11 47372.0000 12548.0000 73.5% - 0s 0 0 12554.5714 0 41 47372.0000 12554.5714 73.5% - 0s 0 0 12557.5959 0 43 47372.0000 12557.5959 73.5% - 0s 0 0 12560.2413 0 52 47372.0000 12560.2413 73.5% - 0s 0 0 12560.8897 0 48 47372.0000 12560.8897 73.5% - 0s 0 0 12561.6167 0 46 47372.0000 12561.6167 73.5% - 0s 0 0 12561.6833 0 53 47372.0000 12561.6833 73.5% - 0s 0 0 12561.8313 0 59 47372.0000 12561.8313 73.5% - 0s 0 0 12562.2579 0 54 47372.0000 12562.2579 73.5% - 0s H 0 0 16340.000000 12562.2579 23.1% - 0s H 0 0 13004.000000 12562.2579 3.40% - 0s H 0 0 12787.000000 12562.2579 1.76% - 0s 0 0 12562.3120 0 61 12787.0000 12562.3120 1.76% - 0s 0 0 12562.3120 0 36 12787.0000 12562.3120 1.76% - 0s 0 0 12562.3120 0 11 12787.0000 12562.3120 1.76% - 0s 0 0 12562.3120 0 51 12787.0000 12562.3120 1.76% - 0s 0 0 12562.3120 0 54 12787.0000 12562.3120 1.76% - 0s 0 0 12562.3120 0 56 12787.0000 12562.3120 1.76% - 0s 0 0 12562.4220 0 62 12787.0000 12562.4220 1.76% - 0s 0 0 12562.7620 0 64 12787.0000 12562.7620 1.75% - 0s 0 0 12563.3032 0 56 12787.0000 12563.3032 1.75% - 0s 0 0 12563.3918 0 63 12787.0000 12563.3918 1.75% - 0s 0 0 12563.5217 0 51 12787.0000 12563.5217 1.75% - 0s 0 0 12563.5593 0 54 12787.0000 12563.5593 1.75% - 0s 0 0 12563.5734 0 60 12787.0000 12563.5734 1.75% - 0s 0 0 12563.6502 0 63 12787.0000 12563.6502 1.75% - 0s H 0 0 12765.000000 12563.6502 1.58% - 1s 0 2 12563.8007 0 63 12765.0000 12563.8007 1.58% - 1s * 31 17 27 12757.000000 12570.0185 1.47% 4.8 1s * 43 24 12 12756.000000 12580.4384 1.38% 5.5 1s * 89 41 14 12746.000000 12597.0000 1.17% 6.4 1s * 105 45 18 12742.000000 12611.0000 1.03% 6.4 1s Cutting planes: Gomory: 4 Zero half: 11 Explored 292 nodes (2095 simplex iterations) in 1.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274200000000e+04, best bound 1.274200000000e+04, gap 0.0% adding cut for [(33, 46), (4, 38), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 271 rows, 1128 columns and 62503 nonzeros Presolve time: 0.03s Presolved: 271 rows, 1128 columns, 62503 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12846.000000 12519.2500 2.54% - 0s 0 0 12548.0000 0 11 12846.0000 12548.0000 2.32% - 0s 0 0 12548.0000 0 36 12846.0000 12548.0000 2.32% - 0s H 0 0 12801.000000 12548.0000 1.98% - 0s 0 0 12548.0000 0 11 12801.0000 12548.0000 1.98% - 0s 0 0 12552.9000 0 16 12801.0000 12552.9000 1.94% - 0s 0 0 12558.5603 0 45 12801.0000 12558.5603 1.89% - 0s 0 0 12558.6671 0 53 12801.0000 12558.6671 1.89% - 0s 0 0 12559.0401 0 58 12801.0000 12559.0401 1.89% - 0s 0 0 12559.0671 0 50 12801.0000 12559.0671 1.89% - 0s 0 0 12559.1774 0 55 12801.0000 12559.1774 1.89% - 0s 0 0 12559.2021 0 55 12801.0000 12559.2021 1.89% - 0s H 0 0 12757.000000 12559.2021 1.55% - 0s 0 2 12559.3112 0 55 12757.0000 12559.3112 1.55% - 0s * 42 15 41 12755.000000 12602.4815 1.20% 5.2 0s * 74 24 27 12748.000000 12610.1975 1.08% 6.1 0s * 102 24 19 12743.000000 12620.6667 0.96% 6.1 0s * 172 35 9 12742.000000 12642.4286 0.78% 5.4 0s Cutting planes: Gomory: 5 Zero half: 7 Explored 274 nodes (1723 simplex iterations) in 0.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274200000000e+04, best bound 1.274200000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 272 rows, 1128 columns and 62734 nonzeros Presolve time: 0.03s Presolved: 272 rows, 1128 columns, 62734 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12849.000000 12519.2500 2.57% - 0s 0 0 12548.0000 0 11 12849.0000 12548.0000 2.34% - 0s 0 0 12548.0000 0 36 12849.0000 12548.0000 2.34% - 0s H 0 0 12801.000000 12548.0000 1.98% - 0s 0 0 12548.0000 0 11 12801.0000 12548.0000 1.98% - 0s H 0 0 12762.000000 12548.0000 1.68% - 0s 0 0 12552.9000 0 16 12762.0000 12552.9000 1.64% - 0s H 0 0 12757.000000 12552.9000 1.60% - 0s 0 2 12559.6645 0 16 12757.0000 12559.6645 1.55% - 0s * 67 27 16 12754.000000 12598.8889 1.22% 10.6 0s * 76 27 22 12747.000000 12598.8889 1.16% 10.4 0s * 105 32 25 12744.000000 12603.5000 1.10% 9.6 0s * 307 57 20 12743.000000 12671.3333 0.56% 6.5 1s Cutting planes: Gomory: 8 Cover: 1 MIR: 1 Zero half: 4 Explored 436 nodes (2749 simplex iterations) in 1.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274300000000e+04, best bound 1.274300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 24), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 273 rows, 1128 columns and 63034 nonzeros Presolve time: 0.03s Presolved: 273 rows, 1128 columns, 63034 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12791.000000 12519.2500 2.12% - 0s 0 0 12548.0000 0 11 12791.0000 12548.0000 1.90% - 0s 0 0 12548.0000 0 36 12791.0000 12548.0000 1.90% - 0s 0 0 12548.0000 0 11 12791.0000 12548.0000 1.90% - 0s H 0 0 12784.000000 12548.0000 1.85% - 0s 0 0 12554.9412 0 43 12784.0000 12554.9412 1.79% - 0s 0 0 12559.3103 0 46 12784.0000 12559.3103 1.76% - 0s 0 0 12559.6429 0 41 12784.0000 12559.6429 1.75% - 0s 0 0 12559.7085 0 55 12784.0000 12559.7085 1.75% - 0s 0 0 12560.4144 0 51 12784.0000 12560.4144 1.75% - 0s 0 0 12560.6513 0 54 12784.0000 12560.6513 1.75% - 0s 0 0 12560.6819 0 61 12784.0000 12560.6819 1.75% - 0s 0 0 12560.8503 0 57 12784.0000 12560.8503 1.75% - 0s 0 0 12560.9410 0 55 12784.0000 12560.9410 1.74% - 0s 0 0 12561.0151 0 55 12784.0000 12561.0151 1.74% - 0s 0 0 12561.0912 0 62 12784.0000 12561.0912 1.74% - 0s 0 0 12561.1719 0 63 12784.0000 12561.1719 1.74% - 0s 0 0 12561.2685 0 65 12784.0000 12561.2685 1.74% - 0s 0 0 12561.7555 0 58 12784.0000 12561.7555 1.74% - 0s 0 0 12561.8225 0 60 12784.0000 12561.8225 1.74% - 0s 0 0 12561.8728 0 67 12784.0000 12561.8728 1.74% - 0s 0 0 12562.2218 0 59 12784.0000 12562.2218 1.73% - 0s 0 0 12562.3699 0 64 12784.0000 12562.3699 1.73% - 0s 0 0 12562.4785 0 57 12784.0000 12562.4785 1.73% - 0s 0 0 12562.5411 0 61 12784.0000 12562.5411 1.73% - 0s 0 0 12562.6001 0 64 12784.0000 12562.6001 1.73% - 0s 0 0 12562.7568 0 50 12784.0000 12562.7568 1.73% - 0s 0 0 12562.8449 0 67 12784.0000 12562.8449 1.73% - 0s H 0 0 12753.000000 12562.8449 1.49% - 0s H 0 0 12752.000000 12562.8449 1.48% - 0s 0 2 12562.9837 0 67 12752.0000 12562.9837 1.48% - 0s * 73 32 16 12746.000000 12609.6897 1.07% 6.9 1s * 98 42 9 12745.000000 12617.7341 1.00% 6.7 1s * 218 44 9 12743.000000 12670.5000 0.57% 6.2 1s Cutting planes: Gomory: 3 Zero half: 4 Mod-K: 9 Explored 322 nodes (2319 simplex iterations) in 1.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274300000000e+04, best bound 1.274300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 274 rows, 1128 columns and 63385 nonzeros Presolve time: 0.03s Presolved: 274 rows, 1128 columns, 63385 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12928.000000 12519.2500 3.16% - 0s 0 0 12548.0000 0 11 12928.0000 12548.0000 2.94% - 0s 0 0 12548.0000 0 36 12928.0000 12548.0000 2.94% - 0s H 0 0 12826.000000 12548.0000 2.17% - 0s 0 0 12548.0000 0 11 12826.0000 12548.0000 2.17% - 0s 0 2 12556.5091 0 11 12826.0000 12556.5091 2.10% - 0s H 16 11 12822.000000 12582.3655 1.87% 0.0 0s H 16 10 12801.000000 12582.3655 1.71% 0.0 0s H 16 9 12757.000000 12582.3655 1.37% 0.0 1s * 40 11 23 12744.000000 12583.3213 1.26% 11.5 1s Cutting planes: Gomory: 8 Zero half: 1 Mod-K: 3 Explored 313 nodes (2196 simplex iterations) in 1.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274400000000e+04, best bound 1.274400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 275 rows, 1128 columns and 63638 nonzeros Presolve time: 0.03s Presolved: 275 rows, 1128 columns, 63638 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12853.000000 12519.2500 2.60% - 0s 0 0 12548.0000 0 11 12853.0000 12548.0000 2.37% - 0s 0 0 12548.0000 0 36 12853.0000 12548.0000 2.37% - 0s H 0 0 12821.000000 12548.0000 2.13% - 0s H 0 0 12801.000000 12548.0000 1.98% - 0s 0 0 12548.0000 0 11 12801.0000 12548.0000 1.98% - 0s 0 0 12552.9000 0 16 12801.0000 12552.9000 1.94% - 0s 0 0 12558.5603 0 45 12801.0000 12558.5603 1.89% - 0s 0 0 12558.6688 0 53 12801.0000 12558.6688 1.89% - 0s 0 2 12559.7577 0 53 12801.0000 12559.7577 1.88% - 0s H 1 2 12757.000000 12559.7577 1.55% 0.0 0s H 19 13 12749.000000 12580.3944 1.32% 0.0 1s H 19 12 12747.000000 12580.3944 1.31% 0.0 1s * 95 20 25 12746.000000 12613.0000 1.04% 9.7 1s * 306 26 22 12745.000000 12682.4444 0.49% 6.8 1s Cutting planes: Gomory: 16 Zero half: 2 Mod-K: 2 Explored 386 nodes (2642 simplex iterations) in 1.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274500000000e+04, best bound 1.274400000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (13, 16), (13, 21), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 276 rows, 1128 columns and 63963 nonzeros Presolve time: 0.03s Presolved: 276 rows, 1128 columns, 63963 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12833.000000 12519.2500 2.44% - 0s 0 0 12548.0000 0 11 12833.0000 12548.0000 2.22% - 0s 0 0 12548.0000 0 36 12833.0000 12548.0000 2.22% - 0s H 0 0 12801.000000 12548.0000 1.98% - 0s 0 0 12548.0000 0 11 12801.0000 12548.0000 1.98% - 0s 0 0 12554.2692 0 41 12801.0000 12554.2692 1.93% - 0s 0 0 12559.2037 0 43 12801.0000 12559.2037 1.89% - 0s 0 0 12559.3508 0 51 12801.0000 12559.3508 1.89% - 0s 0 0 12559.8947 0 59 12801.0000 12559.8947 1.88% - 0s 0 0 12559.9259 0 48 12801.0000 12559.9259 1.88% - 0s 0 0 12560.5287 0 56 12801.0000 12560.5287 1.88% - 0s 0 0 12560.9891 0 54 12801.0000 12560.9891 1.87% - 0s 0 0 12561.0899 0 57 12801.0000 12561.0899 1.87% - 0s 0 0 12561.1092 0 62 12801.0000 12561.1092 1.87% - 0s H 0 0 12794.000000 12561.1092 1.82% - 0s H 0 0 12757.000000 12561.1092 1.54% - 0s 0 2 12561.2535 0 62 12757.0000 12561.2535 1.53% - 0s * 20 12 18 12752.000000 12581.9259 1.33% 7.8 0s * 67 32 26 12751.000000 12598.6667 1.19% 6.6 0s * 181 54 9 12749.000000 12613.3333 1.06% 6.3 0s * 185 50 10 12745.000000 12613.3333 1.03% 6.4 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 546 nodes (3318 simplex iterations) in 1.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274500000000e+04, best bound 1.274500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 277 rows, 1128 columns and 64216 nonzeros Presolve time: 0.03s Presolved: 277 rows, 1128 columns, 64216 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12757.000000 12519.2500 1.86% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 36 12757.0000 12548.0000 1.64% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12553.8889 0 43 12757.0000 12553.8889 1.59% - 0s 0 0 12555.8746 0 50 12757.0000 12555.8746 1.58% - 0s 0 0 12560.9200 0 41 12757.0000 12560.9200 1.54% - 0s 0 0 12561.0629 0 49 12757.0000 12561.0629 1.54% - 0s 0 0 12561.8480 0 51 12757.0000 12561.8480 1.53% - 0s 0 0 12561.9336 0 55 12757.0000 12561.9336 1.53% - 0s 0 0 12561.9498 0 60 12757.0000 12561.9498 1.53% - 0s 0 0 12562.1154 0 58 12757.0000 12562.1154 1.53% - 0s 0 0 12562.6087 0 46 12757.0000 12562.6087 1.52% - 0s 0 0 12562.7036 0 51 12757.0000 12562.7036 1.52% - 0s 0 0 12562.7211 0 54 12757.0000 12562.7211 1.52% - 0s 0 0 12562.7280 0 58 12757.0000 12562.7280 1.52% - 0s 0 0 12563.0569 0 63 12757.0000 12563.0569 1.52% - 0s 0 2 12563.0649 0 63 12757.0000 12563.0649 1.52% - 0s * 19 16 16 12746.000000 12581.9259 1.29% 7.6 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 483 nodes (2771 simplex iterations) in 0.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274600000000e+04, best bound 1.274600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 21), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 278 rows, 1128 columns and 64541 nonzeros Presolve time: 0.03s Presolved: 278 rows, 1128 columns, 64541 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13035.000000 12519.2500 3.96% - 0s 0 0 12548.0000 0 11 13035.0000 12548.0000 3.74% - 0s 0 0 12548.0000 0 36 13035.0000 12548.0000 3.74% - 0s 0 0 12548.0000 0 11 13035.0000 12548.0000 3.74% - 0s 0 0 12554.2692 0 41 13035.0000 12554.2692 3.69% - 0s 0 0 12554.4512 0 50 13035.0000 12554.4512 3.69% - 0s 0 0 12558.8966 0 44 13035.0000 12558.8966 3.65% - 0s 0 0 12559.9859 0 53 13035.0000 12559.9859 3.64% - 0s 0 0 12560.8082 0 45 13035.0000 12560.8082 3.64% - 0s 0 0 12560.8571 0 51 13035.0000 12560.8571 3.64% - 0s 0 0 12560.8571 0 49 13035.0000 12560.8571 3.64% - 0s 0 0 12560.8616 0 52 13035.0000 12560.8616 3.64% - 0s 0 0 12560.8758 0 55 13035.0000 12560.8758 3.64% - 0s H 0 0 12882.000000 12560.8758 2.49% - 0s H 0 0 12757.000000 12560.8758 1.54% - 0s 0 2 12560.8884 0 55 12757.0000 12560.8884 1.54% - 0s * 87 42 22 12751.000000 12582.5000 1.32% 5.4 0s * 138 65 21 12749.000000 12597.3750 1.19% 5.6 1s * 160 66 17 12748.000000 12610.3981 1.08% 5.6 1s * 234 70 11 12747.000000 12628.1000 0.93% 5.6 1s * 245 69 11 12746.000000 12628.1000 0.92% 5.5 1s Cutting planes: Gomory: 5 Zero half: 10 Explored 415 nodes (2608 simplex iterations) in 1.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274600000000e+04, best bound 1.274500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 279 rows, 1128 columns and 64817 nonzeros Presolve time: 0.03s Presolved: 279 rows, 1128 columns, 64817 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12853.000000 12519.2500 2.60% - 0s 0 0 12548.0000 0 11 12853.0000 12548.0000 2.37% - 0s 0 0 12548.0000 0 36 12853.0000 12548.0000 2.37% - 0s H 0 0 12801.000000 12548.0000 1.98% - 0s 0 0 12548.0000 0 11 12801.0000 12548.0000 1.98% - 0s 0 0 12552.9000 0 16 12801.0000 12552.9000 1.94% - 0s 0 0 12558.5603 0 45 12801.0000 12558.5603 1.89% - 0s 0 0 12558.6688 0 53 12801.0000 12558.6688 1.89% - 0s 0 2 12559.7577 0 53 12801.0000 12559.7577 1.88% - 0s H 1 2 12757.000000 12559.7577 1.55% 0.0 0s H 21 14 12748.000000 12573.5029 1.37% 0.0 1s H 21 13 12747.000000 12573.5029 1.36% 0.0 1s Cutting planes: Gomory: 8 Zero half: 7 Mod-K: 1 Explored 412 nodes (2695 simplex iterations) in 1.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274700000000e+04, best bound 1.274600000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (13, 16), (13, 21), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 280 rows, 1128 columns and 65093 nonzeros Presolve time: 0.03s Presolved: 280 rows, 1128 columns, 65093 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12833.000000 12519.2500 2.44% - 0s 0 0 12548.0000 0 11 12833.0000 12548.0000 2.22% - 0s 0 0 12548.0000 0 36 12833.0000 12548.0000 2.22% - 0s 0 0 12548.0000 0 11 12833.0000 12548.0000 2.22% - 0s 0 0 12554.2692 0 41 12833.0000 12554.2692 2.17% - 0s 0 0 12554.4688 0 50 12833.0000 12554.4688 2.17% - 0s 0 0 12559.2143 0 43 12833.0000 12559.2143 2.13% - 0s 0 0 12559.3613 0 51 12833.0000 12559.3613 2.13% - 0s 0 0 12559.8947 0 59 12833.0000 12559.8947 2.13% - 0s 0 0 12559.9293 0 48 12833.0000 12559.9293 2.13% - 0s 0 0 12560.0606 0 55 12833.0000 12560.0606 2.13% - 0s 0 0 12560.7842 0 57 12833.0000 12560.7842 2.12% - 0s 0 0 12561.0579 0 54 12833.0000 12561.0579 2.12% - 0s 0 0 12561.1123 0 55 12833.0000 12561.1123 2.12% - 0s 0 0 12561.1179 0 62 12833.0000 12561.1179 2.12% - 0s 0 0 12561.3974 0 49 12833.0000 12561.3974 2.12% - 0s 0 0 12561.4597 0 52 12833.0000 12561.4597 2.12% - 0s 0 0 12561.4960 0 59 12833.0000 12561.4960 2.12% - 0s 0 0 12561.4971 0 59 12833.0000 12561.4971 2.12% - 0s H 0 0 12757.000000 12561.4971 1.53% - 0s 0 2 12561.5000 0 59 12757.0000 12561.5000 1.53% - 0s * 64 37 21 12751.000000 12567.2857 1.44% 4.7 0s * 65 35 20 12747.000000 12567.2857 1.41% 4.6 0s * 411 97 6 12746.000000 12672.2500 0.58% 5.2 1s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 1 Explored 588 nodes (3441 simplex iterations) in 1.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274600000000e+04, best bound 1.274600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 281 rows, 1128 columns and 65393 nonzeros Presolve time: 0.03s Presolved: 281 rows, 1128 columns, 65393 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12786.000000 12519.2500 2.09% - 0s 0 0 12548.0000 0 11 12786.0000 12548.0000 1.86% - 0s 0 0 12548.0000 0 36 12786.0000 12548.0000 1.86% - 0s 0 0 12548.0000 0 11 12786.0000 12548.0000 1.86% - 0s 0 0 12554.2692 0 41 12786.0000 12554.2692 1.81% - 0s 0 0 12554.3711 0 50 12786.0000 12554.3711 1.81% - 0s 0 0 12558.8966 0 44 12786.0000 12558.8966 1.78% - 0s 0 0 12559.9975 0 53 12786.0000 12559.9975 1.77% - 0s 0 0 12560.7760 0 47 12786.0000 12560.7760 1.76% - 0s 0 0 12560.8486 0 54 12786.0000 12560.8486 1.76% - 0s 0 0 12561.0006 0 60 12786.0000 12561.0006 1.76% - 0s 0 0 12561.0506 0 52 12786.0000 12561.0506 1.76% - 0s 0 0 12561.1014 0 55 12786.0000 12561.1014 1.76% - 0s 0 0 12561.1366 0 60 12786.0000 12561.1366 1.76% - 0s 0 0 12561.2080 0 62 12786.0000 12561.2080 1.76% - 0s H 0 0 12762.000000 12561.2080 1.57% - 0s 0 2 12561.3526 0 62 12762.0000 12561.3526 1.57% - 0s H 27 13 12748.000000 12584.1852 1.29% 7.0 0s * 195 51 13 12747.000000 12640.2500 0.84% 6.4 0s Cutting planes: Gomory: 5 Zero half: 9 Explored 390 nodes (2521 simplex iterations) in 0.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274700000000e+04, best bound 1.274700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 282 rows, 1128 columns and 65718 nonzeros Presolve time: 0.03s Presolved: 282 rows, 1128 columns, 65718 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start 0 0 12547.0000 0 43 47372.0000 12547.0000 73.5% - 0s 0 0 12548.0000 0 11 47372.0000 12548.0000 73.5% - 0s 0 0 12548.3333 0 19 47372.0000 12548.3333 73.5% - 0s 0 0 12548.9464 0 38 47372.0000 12548.9464 73.5% - 0s 0 0 12549.3289 0 46 47372.0000 12549.3289 73.5% - 0s 0 0 12549.8333 0 44 47372.0000 12549.8333 73.5% - 0s 0 0 12549.9225 0 52 47372.0000 12549.9225 73.5% - 0s 0 0 12550.7474 0 47 47372.0000 12550.7474 73.5% - 0s 0 0 12550.8189 0 55 47372.0000 12550.8189 73.5% - 0s 0 0 12551.0069 0 59 47372.0000 12551.0069 73.5% - 0s 0 0 12551.1437 0 63 47372.0000 12551.1437 73.5% - 0s 0 0 12551.5975 0 58 47372.0000 12551.5975 73.5% - 0s 0 0 12551.7006 0 61 47372.0000 12551.7006 73.5% - 0s 0 0 12551.9823 0 60 47372.0000 12551.9823 73.5% - 0s 0 0 12552.0815 0 63 47372.0000 12552.0815 73.5% - 0s 0 0 12552.2876 0 66 47372.0000 12552.2876 73.5% - 0s 0 0 12552.3368 0 66 47372.0000 12552.3368 73.5% - 0s 0 0 12552.4575 0 66 47372.0000 12552.4575 73.5% - 0s H 0 0 14664.000000 12552.4575 14.4% - 0s H 0 0 13401.000000 12552.4575 6.33% - 0s H 0 0 12757.000000 12552.4575 1.60% - 0s 0 0 12552.5761 0 65 12757.0000 12552.5761 1.60% - 0s 0 0 12552.5761 0 36 12757.0000 12552.5761 1.60% - 0s 0 0 12552.5761 0 43 12757.0000 12552.5761 1.60% - 0s 0 0 12552.5761 0 55 12757.0000 12552.5761 1.60% - 0s 0 0 12552.5761 0 67 12757.0000 12552.5761 1.60% - 0s 0 0 12553.2107 0 67 12757.0000 12553.2107 1.60% - 0s 0 0 12554.0277 0 63 12757.0000 12554.0277 1.59% - 1s 0 0 12554.3161 0 65 12757.0000 12554.3161 1.59% - 1s 0 2 12554.3268 0 65 12757.0000 12554.3268 1.59% - 1s * 32 13 30 12748.000000 12573.4846 1.37% 5.8 1s * 345 18 7 12747.000000 12704.0000 0.34% 5.3 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 379 nodes (2404 simplex iterations) in 1.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274700000000e+04, best bound 1.274700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 283 rows, 1128 columns and 65971 nonzeros Presolve time: 0.03s Presolved: 283 rows, 1128 columns, 65971 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12839.000000 12519.2500 2.49% - 0s 0 0 12547.0000 0 43 12839.0000 12547.0000 2.27% - 0s 0 0 12547.0000 0 36 12839.0000 12547.0000 2.27% - 0s H 0 0 12826.000000 12547.0000 2.18% - 0s 0 0 12547.0000 0 43 12826.0000 12547.0000 2.18% - 0s 0 0 12548.0000 0 11 12826.0000 12548.0000 2.17% - 0s 0 0 12548.3333 0 19 12826.0000 12548.3333 2.16% - 0s 0 0 12548.9464 0 38 12826.0000 12548.9464 2.16% - 0s 0 0 12549.2326 0 46 12826.0000 12549.2326 2.16% - 0s 0 0 12549.8333 0 44 12826.0000 12549.8333 2.15% - 0s 0 0 12549.9205 0 52 12826.0000 12549.9205 2.15% - 0s 0 0 12550.9956 0 47 12826.0000 12550.9956 2.14% - 0s 0 0 12551.0757 0 55 12826.0000 12551.0757 2.14% - 0s 0 0 12551.4706 0 51 12826.0000 12551.4706 2.14% - 0s 0 0 12551.5223 0 59 12826.0000 12551.5223 2.14% - 0s 0 0 12551.7701 0 62 12826.0000 12551.7701 2.14% - 0s 0 0 12551.9842 0 47 12826.0000 12551.9842 2.14% - 0s 0 2 12552.2065 0 47 12826.0000 12552.2065 2.13% - 0s * 29 25 26 12782.000000 12569.0769 1.67% 6.8 0s * 31 23 25 12775.000000 12569.0769 1.61% 6.6 0s * 32 21 24 12766.000000 12569.0769 1.54% 6.6 0s * 60 30 15 12748.000000 12590.1667 1.24% 8.2 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 355 nodes (2380 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274800000000e+04, best bound 1.274800000000e+04, gap 0.0% adding cut for [(4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 284 rows, 1128 columns and 66202 nonzeros Presolve time: 0.03s Presolved: 284 rows, 1128 columns, 66202 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13037.000000 12519.2500 3.97% - 0s 0 0 12547.0000 0 43 13037.0000 12547.0000 3.76% - 0s 0 0 12547.0000 0 36 13037.0000 12547.0000 3.76% - 0s 0 0 12547.0000 0 44 13037.0000 12547.0000 3.76% - 0s 0 0 12548.0000 0 11 13037.0000 12548.0000 3.75% - 0s 0 0 12548.3333 0 19 13037.0000 12548.3333 3.75% - 0s 0 0 12548.9231 0 38 13037.0000 12548.9231 3.74% - 0s 0 0 12549.1905 0 46 13037.0000 12549.1905 3.74% - 0s 0 0 12549.6714 0 44 13037.0000 12549.6714 3.74% - 0s 0 0 12549.7905 0 52 13037.0000 12549.7905 3.74% - 0s 0 0 12550.6804 0 37 13037.0000 12550.6804 3.73% - 0s 0 0 12551.0078 0 58 13037.0000 12551.0078 3.73% - 0s 0 0 12551.2324 0 61 13037.0000 12551.2324 3.73% - 0s 0 0 12551.7416 0 57 13037.0000 12551.7416 3.72% - 0s 0 0 12551.9344 0 60 13037.0000 12551.9344 3.72% - 0s 0 0 12552.2198 0 62 13037.0000 12552.2198 3.72% - 0s 0 0 12552.3807 0 57 13037.0000 12552.3807 3.72% - 0s 0 0 12552.4272 0 58 13037.0000 12552.4272 3.72% - 0s H 0 0 12794.000000 12552.4272 1.89% - 0s 0 2 12552.6094 0 58 12794.0000 12552.6094 1.89% - 0s * 18 16 15 12782.000000 12573.7500 1.63% 11.5 1s * 21 14 18 12756.000000 12573.7500 1.43% 10.2 1s * 74 37 15 12755.000000 12583.6867 1.34% 7.0 1s * 117 52 9 12751.000000 12621.6528 1.01% 6.3 1s * 388 24 19 12749.000000 12700.2500 0.38% 5.9 1s * 414 6 12 12748.000000 12727.5000 0.16% 5.9 1s Cutting planes: Gomory: 3 Zero half: 8 Explored 421 nodes (2807 simplex iterations) in 1.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274800000000e+04, best bound 1.274800000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 16), (12, 13), (12, 24), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 285 rows, 1128 columns and 66478 nonzeros Presolve time: 0.03s Presolved: 285 rows, 1128 columns, 66478 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12928.000000 12519.2500 3.16% - 0s 0 0 12547.0000 0 43 12928.0000 12547.0000 2.95% - 0s 0 0 12547.0000 0 36 12928.0000 12547.0000 2.95% - 0s H 0 0 12826.000000 12547.0000 2.18% - 0s 0 0 12547.0000 0 43 12826.0000 12547.0000 2.18% - 0s 0 2 12559.6667 0 43 12826.0000 12559.6667 2.08% - 0s H 14 10 12794.000000 12565.8518 1.78% 0.1 0s H 14 9 12756.000000 12565.8518 1.49% 0.1 0s * 30 14 21 12755.000000 12568.3439 1.46% 11.1 1s * 33 13 23 12753.000000 12568.3439 1.45% 11.0 1s * 74 30 26 12749.000000 12616.0000 1.04% 10.1 1s * 320 1 16 12748.000000 12744.0000 0.03% 5.7 1s Cutting planes: Gomory: 9 Zero half: 3 Explored 322 nodes (2062 simplex iterations) in 1.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274800000000e+04, best bound 1.274800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 286 rows, 1128 columns and 66778 nonzeros Presolve time: 0.04s Presolved: 286 rows, 1128 columns, 66778 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12837.000000 12519.2500 2.48% - 0s 0 0 12546.8636 0 43 12837.0000 12546.8636 2.26% - 0s 0 0 12546.8636 0 36 12837.0000 12546.8636 2.26% - 0s 0 0 12546.8636 0 43 12837.0000 12546.8636 2.26% - 0s 0 0 12548.0000 0 11 12837.0000 12548.0000 2.25% - 0s H 0 0 12757.000000 12548.0000 1.64% - 0s 0 0 12548.3333 0 19 12757.0000 12548.3333 1.64% - 0s 0 2 12552.2000 0 19 12757.0000 12552.2000 1.61% - 0s * 172 46 22 12752.000000 12661.2500 0.71% 7.3 1s * 212 50 28 12751.000000 12669.0000 0.64% 6.8 1s * 213 49 28 12749.000000 12669.0000 0.63% 6.8 1s Cutting planes: Gomory: 10 Zero half: 2 Mod-K: 2 Explored 375 nodes (2425 simplex iterations) in 1.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274900000000e+04, best bound 1.274900000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 16), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 287 rows, 1128 columns and 67031 nonzeros Presolve time: 0.04s Presolved: 287 rows, 1128 columns, 67031 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12881.000000 12519.2500 2.81% - 0s 0 0 12546.8636 0 43 12881.0000 12546.8636 2.59% - 0s 0 0 12546.8636 0 36 12881.0000 12546.8636 2.59% - 0s 0 0 12546.8636 0 43 12881.0000 12546.8636 2.59% - 0s 0 0 12548.0000 0 11 12881.0000 12548.0000 2.59% - 0s 0 0 12548.3333 0 19 12881.0000 12548.3333 2.58% - 0s 0 0 12549.1250 0 38 12881.0000 12549.1250 2.58% - 0s H 0 0 12757.000000 12549.1250 1.63% - 0s 0 0 12549.2500 0 46 12757.0000 12549.2500 1.63% - 0s 0 2 12558.0625 0 46 12757.0000 12558.0625 1.56% - 0s H 13 9 12752.000000 12567.3091 1.45% 0.0 0s * 126 28 27 12751.000000 12652.5000 0.77% 7.5 1s * 263 10 26 12749.000000 12709.0000 0.31% 6.0 1s Cutting planes: Gomory: 8 Zero half: 1 Explored 289 nodes (1981 simplex iterations) in 1.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274900000000e+04, best bound 1.274800000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 40), (16, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 288 rows, 1128 columns and 67331 nonzeros Presolve time: 0.04s Presolved: 288 rows, 1128 columns, 67331 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12946.000000 12519.2500 3.30% - 0s 0 0 12546.8636 0 43 12946.0000 12546.8636 3.08% - 0s 0 0 12546.8636 0 36 12946.0000 12546.8636 3.08% - 0s 0 0 12546.8636 0 43 12946.0000 12546.8636 3.08% - 0s 0 0 12547.0217 0 46 12946.0000 12547.0217 3.08% - 0s 0 0 12547.0357 0 46 12946.0000 12547.0357 3.08% - 0s 0 0 12547.5354 0 45 12946.0000 12547.5354 3.08% - 0s H 0 0 12757.000000 12547.5354 1.64% - 0s 0 0 12547.5623 0 53 12757.0000 12547.5623 1.64% - 0s 0 2 12559.6667 0 53 12757.0000 12559.6667 1.55% - 0s H 16 11 12752.000000 12562.5670 1.49% 0.0 1s * 59 18 27 12751.000000 12576.2606 1.37% 9.4 1s * 282 8 22 12749.000000 12729.0000 0.16% 5.9 1s Cutting planes: Gomory: 5 Zero half: 4 Mod-K: 1 Explored 296 nodes (1943 simplex iterations) in 1.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.274900000000e+04, best bound 1.274900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 289 rows, 1128 columns and 67631 nonzeros Presolve time: 0.04s Presolved: 289 rows, 1128 columns, 67631 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12838.000000 12519.2500 2.48% - 0s 0 0 12546.8636 0 43 12838.0000 12546.8636 2.27% - 0s 0 0 12546.8636 0 36 12838.0000 12546.8636 2.27% - 0s 0 0 12546.8636 0 43 12838.0000 12546.8636 2.27% - 0s 0 0 12548.0000 0 11 12838.0000 12548.0000 2.26% - 0s H 0 0 12837.000000 12548.0000 2.25% - 0s 0 0 12548.3333 0 19 12837.0000 12548.3333 2.25% - 0s 0 0 12548.5000 0 10 12837.0000 12548.5000 2.25% - 0s 0 0 12549.1250 0 38 12837.0000 12549.1250 2.24% - 0s 0 0 12549.2596 0 46 12837.0000 12549.2596 2.24% - 0s 0 0 12549.8333 0 44 12837.0000 12549.8333 2.24% - 0s 0 0 12549.9783 0 53 12837.0000 12549.9783 2.24% - 0s 0 0 12551.0054 0 51 12837.0000 12551.0054 2.23% - 0s 0 0 12551.1142 0 59 12837.0000 12551.1142 2.23% - 0s 0 0 12551.8426 0 51 12837.0000 12551.8426 2.22% - 0s 0 0 12551.9104 0 59 12837.0000 12551.9104 2.22% - 0s 0 0 12552.2211 0 52 12837.0000 12552.2211 2.22% - 0s 0 0 12552.3147 0 58 12837.0000 12552.3147 2.22% - 0s 0 0 12553.0396 0 52 12837.0000 12553.0396 2.21% - 0s 0 0 12553.0913 0 62 12837.0000 12553.0913 2.21% - 0s 0 0 12553.0913 0 62 12837.0000 12553.0913 2.21% - 0s H 0 0 12779.000000 12553.0913 1.77% - 0s 0 2 12553.3003 0 62 12779.0000 12553.3003 1.77% - 0s * 25 18 23 12771.000000 12569.0769 1.58% 5.9 0s * 54 35 23 12757.000000 12575.0833 1.43% 7.2 0s * 56 35 24 12755.000000 12575.0833 1.41% 7.0 0s * 62 36 5 12751.000000 12577.8571 1.36% 7.1 0s Cutting planes: Gomory: 3 Zero half: 10 Explored 420 nodes (2835 simplex iterations) in 1.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275100000000e+04, best bound 1.275100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 290 rows, 1128 columns and 67931 nonzeros Presolve time: 0.04s Presolved: 290 rows, 1128 columns, 67931 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13028.000000 12519.2500 3.91% - 0s 0 0 12546.8636 0 43 13028.0000 12546.8636 3.69% - 0s 0 0 12546.8636 0 36 13028.0000 12546.8636 3.69% - 0s 0 0 12546.8636 0 43 13028.0000 12546.8636 3.69% - 0s 0 0 12548.0000 0 11 13028.0000 12548.0000 3.68% - 0s 0 0 12548.3333 0 19 13028.0000 12548.3333 3.68% - 0s 0 0 12549.2368 0 38 13028.0000 12549.2368 3.67% - 0s 0 0 12549.3750 0 46 13028.0000 12549.3750 3.67% - 0s 0 0 12549.8485 0 52 13028.0000 12549.8485 3.67% - 0s 0 0 12550.6800 0 49 13028.0000 12550.6800 3.66% - 0s 0 0 12550.7359 0 57 13028.0000 12550.7359 3.66% - 0s 0 0 12551.0617 0 52 13028.0000 12551.0617 3.66% - 0s 0 0 12551.1098 0 60 13028.0000 12551.1098 3.66% - 0s 0 0 12551.4158 0 52 13028.0000 12551.4158 3.66% - 0s 0 0 12551.4968 0 60 13028.0000 12551.4968 3.66% - 0s 0 0 12551.5960 0 53 13028.0000 12551.5960 3.66% - 0s H 0 0 12794.000000 12551.5960 1.89% - 0s H 0 0 12791.000000 12551.5960 1.87% - 0s 0 2 12551.7319 0 53 12791.0000 12551.7319 1.87% - 0s * 29 21 25 12784.000000 12564.6058 1.72% 6.9 1s * 32 16 27 12765.000000 12564.6058 1.57% 6.7 1s * 44 21 10 12764.000000 12566.7778 1.55% 7.5 1s * 45 20 10 12753.000000 12566.7778 1.46% 7.4 1s * 113 46 12 12752.000000 12623.6667 1.01% 6.8 1s * 311 32 9 12751.000000 12707.0000 0.35% 5.8 1s Cutting planes: Gomory: 3 Zero half: 8 Explored 369 nodes (2346 simplex iterations) in 1.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275100000000e+04, best bound 1.275100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 291 rows, 1128 columns and 68231 nonzeros Presolve time: 0.04s Presolved: 291 rows, 1128 columns, 68231 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12757.000000 12519.2500 1.86% - 0s 0 0 12546.8636 0 43 12757.0000 12546.8636 1.65% - 0s 0 0 12546.8636 0 36 12757.0000 12546.8636 1.65% - 0s 0 0 12548.0000 0 11 12757.0000 12548.0000 1.64% - 0s 0 0 12553.3217 0 42 12757.0000 12553.3217 1.60% - 0s 0 0 12553.4399 0 50 12757.0000 12553.4399 1.60% - 0s 0 0 12553.6577 0 44 12757.0000 12553.6577 1.59% - 0s 0 0 12553.7651 0 52 12757.0000 12553.7651 1.59% - 0s 0 0 12554.2634 0 48 12757.0000 12554.2634 1.59% - 0s 0 0 12554.3659 0 56 12757.0000 12554.3659 1.59% - 0s 0 0 12555.0769 0 44 12757.0000 12555.0769 1.58% - 0s 0 0 12555.1690 0 57 12757.0000 12555.1690 1.58% - 0s 0 0 12555.2830 0 53 12757.0000 12555.2830 1.58% - 0s 0 0 12555.3601 0 54 12757.0000 12555.3601 1.58% - 0s 0 0 12555.4055 0 61 12757.0000 12555.4055 1.58% - 0s 0 0 12555.4727 0 61 12757.0000 12555.4727 1.58% - 0s 0 0 12555.5197 0 54 12757.0000 12555.5197 1.58% - 0s 0 0 12555.5826 0 62 12757.0000 12555.5826 1.58% - 0s 0 0 12555.9921 0 50 12757.0000 12555.9921 1.58% - 0s 0 0 12556.0092 0 56 12757.0000 12556.0092 1.58% - 0s 0 0 12556.0446 0 55 12757.0000 12556.0446 1.58% - 0s 0 0 12556.0606 0 61 12757.0000 12556.0606 1.58% - 0s 0 0 12556.1971 0 51 12757.0000 12556.1971 1.57% - 0s 0 0 12556.1994 0 55 12757.0000 12556.1994 1.57% - 0s 0 0 12556.2297 0 58 12757.0000 12556.2297 1.57% - 0s 0 0 12556.2445 0 62 12757.0000 12556.2445 1.57% - 0s 0 2 12556.3828 0 62 12757.0000 12556.3828 1.57% - 0s H 37 13 12753.000000 12598.0000 1.22% 7.3 0s * 349 6 29 12752.000000 12732.0000 0.16% 5.5 1s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 2 Explored 359 nodes (2240 simplex iterations) in 1.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275200000000e+04, best bound 1.275200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 292 rows, 1128 columns and 68507 nonzeros Presolve time: 0.04s Presolved: 292 rows, 1128 columns, 68507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12801.000000 12519.2500 2.20% - 0s 0 0 12547.0000 0 43 12801.0000 12547.0000 1.98% - 0s 0 0 12547.0000 0 36 12801.0000 12547.0000 1.98% - 0s 0 0 12547.0000 0 43 12801.0000 12547.0000 1.98% - 0s 0 0 12548.5000 0 10 12801.0000 12548.5000 1.97% - 0s 0 0 12548.7778 0 18 12801.0000 12548.7778 1.97% - 0s 0 0 12550.3662 0 39 12801.0000 12550.3662 1.96% - 0s 0 0 12550.4824 0 51 12801.0000 12550.4824 1.96% - 0s 0 0 12551.2850 0 31 12801.0000 12551.2850 1.95% - 0s 0 0 12551.8284 0 52 12801.0000 12551.8284 1.95% - 0s 0 0 12551.9253 0 60 12801.0000 12551.9253 1.95% - 0s 0 0 12552.4034 0 61 12801.0000 12552.4034 1.94% - 0s 0 0 12553.0763 0 47 12801.0000 12553.0763 1.94% - 0s 0 0 12553.2826 0 55 12801.0000 12553.2826 1.94% - 0s 0 0 12553.5884 0 51 12801.0000 12553.5884 1.93% - 0s 0 0 12555.5031 0 57 12801.0000 12555.5031 1.92% - 0s 0 0 12555.6264 0 59 12801.0000 12555.6264 1.92% - 0s 0 0 12556.3271 0 58 12801.0000 12556.3271 1.91% - 0s 0 0 12556.8534 0 55 12801.0000 12556.8534 1.91% - 0s 0 0 12557.2040 0 59 12801.0000 12557.2040 1.90% - 0s 0 0 12558.6062 0 60 12801.0000 12558.6062 1.89% - 0s 0 0 12559.7485 0 55 12801.0000 12559.7485 1.88% - 0s 0 0 12559.8030 0 60 12801.0000 12559.8030 1.88% - 0s 0 0 12559.9943 0 59 12801.0000 12559.9943 1.88% - 0s 0 0 12560.1382 0 62 12801.0000 12560.1382 1.88% - 0s 0 0 12560.3021 0 65 12801.0000 12560.3021 1.88% - 0s 0 0 12560.3811 0 68 12801.0000 12560.3811 1.88% - 0s 0 0 12561.0895 0 60 12801.0000 12561.0895 1.87% - 0s 0 0 12561.1230 0 51 12801.0000 12561.1230 1.87% - 0s 0 0 12561.1230 0 51 12801.0000 12561.1230 1.87% - 0s H 0 0 12791.000000 12561.1230 1.80% - 0s 0 2 12561.1535 0 51 12791.0000 12561.1535 1.80% - 0s * 23 19 20 12771.000000 12584.6000 1.46% 7.0 0s * 25 17 21 12766.000000 12584.6000 1.42% 6.8 0s * 65 28 14 12757.000000 12611.0000 1.14% 6.9 0s * 176 47 12 12755.000000 12661.0000 0.74% 5.8 1s * 305 29 7 12754.000000 12708.4000 0.36% 5.5 1s * 328 19 9 12753.000000 12716.7500 0.28% 5.4 1s Cutting planes: Gomory: 4 Zero half: 13 Mod-K: 1 Explored 353 nodes (2361 simplex iterations) in 1.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275300000000e+04, best bound 1.275300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (13, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 293 rows, 1128 columns and 68783 nonzeros Presolve time: 0.04s Presolved: 293 rows, 1128 columns, 68783 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12885.000000 12519.2500 2.84% - 0s 0 0 12547.0000 0 44 12885.0000 12547.0000 2.62% - 0s 0 0 12547.0000 0 36 12885.0000 12547.0000 2.62% - 0s 0 0 12548.5000 0 10 12885.0000 12548.5000 2.61% - 0s 0 0 12555.6336 0 36 12885.0000 12555.6336 2.56% - 0s 0 0 12557.1500 0 38 12885.0000 12557.1500 2.54% - 0s 0 0 12557.2341 0 44 12885.0000 12557.2341 2.54% - 0s 0 0 12557.2381 0 46 12885.0000 12557.2381 2.54% - 0s 0 0 12557.4951 0 52 12885.0000 12557.4951 2.54% - 0s 0 0 12557.6049 0 48 12885.0000 12557.6049 2.54% - 0s 0 0 12557.6786 0 51 12885.0000 12557.6786 2.54% - 0s 0 0 12557.7368 0 45 12885.0000 12557.7368 2.54% - 0s 0 0 12557.8977 0 53 12885.0000 12557.8977 2.54% - 0s 0 0 12558.1609 0 61 12885.0000 12558.1609 2.54% - 0s 0 0 12558.4327 0 60 12885.0000 12558.4327 2.53% - 0s 0 0 12558.7341 0 62 12885.0000 12558.7341 2.53% - 0s 0 0 12558.8094 0 63 12885.0000 12558.8094 2.53% - 0s 0 0 12559.5932 0 52 12885.0000 12559.5932 2.53% - 0s 0 0 12559.6155 0 64 12885.0000 12559.6155 2.53% - 0s 0 0 12559.9166 0 65 12885.0000 12559.9166 2.52% - 0s 0 0 12560.1038 0 61 12885.0000 12560.1038 2.52% - 0s H 0 0 12785.000000 12560.1038 1.76% - 0s 0 2 12560.1419 0 61 12785.0000 12560.1419 1.76% - 0s * 81 35 20 12756.000000 12611.5556 1.13% 4.8 0s * 277 46 12 12755.000000 12691.0000 0.50% 5.0 1s * 291 45 22 12754.000000 12694.0000 0.47% 4.9 1s Cutting planes: Gomory: 3 Cover: 1 Zero half: 10 Explored 373 nodes (2114 simplex iterations) in 1.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275400000000e+04, best bound 1.275300000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 38), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 294 rows, 1128 columns and 68954 nonzeros Presolve time: 0.04s Presolved: 294 rows, 1128 columns, 68954 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12846.000000 12519.2500 2.54% - 0s 0 0 12547.0000 0 43 12846.0000 12547.0000 2.33% - 0s 0 0 12547.0000 0 36 12846.0000 12547.0000 2.33% - 0s H 0 0 12826.000000 12547.0000 2.18% - 0s 0 0 12547.0148 0 44 12826.0000 12547.0148 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7500 0 18 12826.0000 12548.7500 2.16% - 0s 0 0 12549.7667 0 46 12826.0000 12549.7667 2.15% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.6133 0 38 12826.0000 12551.6133 2.14% - 0s 0 0 12552.3482 0 61 12826.0000 12552.3482 2.13% - 0s 0 0 12553.4745 0 53 12826.0000 12553.4745 2.12% - 0s 0 0 12553.6102 0 54 12826.0000 12553.6102 2.12% - 0s 0 0 12554.2952 0 51 12826.0000 12554.2952 2.12% - 0s 0 0 12554.6005 0 58 12826.0000 12554.6005 2.12% - 0s 0 0 12555.0361 0 51 12826.0000 12555.0361 2.11% - 0s 0 0 12555.0506 0 63 12826.0000 12555.0506 2.11% - 0s 0 0 12555.1879 0 56 12826.0000 12555.1879 2.11% - 0s 0 2 12555.2873 0 56 12826.0000 12555.2873 2.11% - 0s H 27 18 12779.000000 12566.2083 1.67% 6.1 0s * 40 21 8 12755.000000 12577.8571 1.39% 7.1 0s * 113 32 8 12754.000000 12623.0000 1.03% 6.0 0s Cutting planes: Gomory: 2 Zero half: 7 Explored 311 nodes (2150 simplex iterations) in 1.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275400000000e+04, best bound 1.275400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46), (40, 46)] Optimize a model with 295 rows, 1128 columns and 69230 nonzeros Presolve time: 0.04s Presolved: 295 rows, 1128 columns, 69230 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12843.000000 12519.2500 2.52% - 0s 0 0 12547.0000 0 43 12843.0000 12547.0000 2.30% - 0s 0 0 12547.0000 0 36 12843.0000 12547.0000 2.30% - 0s 0 0 12547.0148 0 44 12843.0000 12547.0148 2.30% - 0s 0 0 12548.5000 0 10 12843.0000 12548.5000 2.29% - 0s 0 0 12548.7500 0 18 12843.0000 12548.7500 2.29% - 0s 0 0 12549.4762 0 46 12843.0000 12549.4762 2.29% - 0s H 0 0 12837.000000 12549.4762 2.24% - 0s 0 0 12550.3203 0 51 12837.0000 12550.3203 2.23% - 0s 0 0 12551.5062 0 59 12837.0000 12551.5062 2.22% - 0s 0 0 12553.6944 0 46 12837.0000 12553.6944 2.21% - 0s 0 0 12553.8247 0 54 12837.0000 12553.8247 2.21% - 0s 0 0 12554.5455 0 48 12837.0000 12554.5455 2.20% - 0s H 0 0 12826.000000 12554.5455 2.12% - 0s H 0 0 12811.000000 12554.5455 2.00% - 0s H 0 0 12755.000000 12554.5455 1.57% - 0s 0 2 12556.1348 0 48 12755.0000 12556.1348 1.56% - 0s * 120 51 10 12754.000000 12610.5455 1.12% 6.5 0s Cutting planes: Gomory: 3 Zero half: 7 Explored 433 nodes (2875 simplex iterations) in 0.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275400000000e+04, best bound 1.275300000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 296 rows, 1128 columns and 69461 nonzeros Presolve time: 0.04s Presolved: 296 rows, 1128 columns, 69461 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12849.000000 12519.2500 2.57% - 0s 0 0 12547.0000 0 43 12849.0000 12547.0000 2.35% - 0s 0 0 12547.0000 0 36 12849.0000 12547.0000 2.35% - 0s H 0 0 12801.000000 12547.0000 1.98% - 0s 0 0 12548.5000 0 10 12801.0000 12548.5000 1.97% - 0s 0 0 12557.1500 0 38 12801.0000 12557.1500 1.90% - 0s 0 0 12557.2341 0 44 12801.0000 12557.2341 1.90% - 0s 0 0 12558.7273 0 38 12801.0000 12558.7273 1.89% - 0s 0 0 12560.5909 0 52 12801.0000 12560.5909 1.88% - 0s 0 0 12560.7604 0 59 12801.0000 12560.7604 1.88% - 0s 0 0 12561.0102 0 57 12801.0000 12561.0102 1.87% - 0s 0 0 12561.0946 0 60 12801.0000 12561.0946 1.87% - 0s 0 0 12561.1105 0 63 12801.0000 12561.1105 1.87% - 0s 0 0 12561.2792 0 64 12801.0000 12561.2792 1.87% - 0s 0 0 12561.4043 0 59 12801.0000 12561.4043 1.87% - 0s 0 0 12561.4500 0 62 12801.0000 12561.4500 1.87% - 0s 0 0 12561.4880 0 67 12801.0000 12561.4880 1.87% - 0s 0 0 12561.6515 0 59 12801.0000 12561.6515 1.87% - 0s 0 0 12561.7010 0 68 12801.0000 12561.7010 1.87% - 0s H 0 0 12757.000000 12561.7010 1.53% - 0s 0 2 12561.9088 0 68 12757.0000 12561.9088 1.53% - 0s * 24 9 21 12755.000000 12574.8750 1.41% 10.6 1s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 3 Explored 339 nodes (2355 simplex iterations) in 1.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275500000000e+04, best bound 1.275400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 24), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 297 rows, 1128 columns and 69737 nonzeros Presolve time: 0.04s Presolved: 297 rows, 1128 columns, 69737 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12804.000000 12519.2500 2.22% - 0s 0 0 12547.0000 0 43 12804.0000 12547.0000 2.01% - 0s 0 0 12547.0000 0 36 12804.0000 12547.0000 2.01% - 0s 0 0 12547.0000 0 43 12804.0000 12547.0000 2.01% - 0s 0 0 12548.5000 0 10 12804.0000 12548.5000 2.00% - 0s 0 0 12548.7778 0 18 12804.0000 12548.7778 1.99% - 0s 0 0 12549.2750 0 38 12804.0000 12549.2750 1.99% - 0s 0 0 12549.5125 0 46 12804.0000 12549.5125 1.99% - 0s 0 0 12550.3203 0 51 12804.0000 12550.3203 1.98% - 0s 0 0 12551.8992 0 55 12804.0000 12551.8992 1.97% - 0s 0 0 12554.0140 0 50 12804.0000 12554.0140 1.95% - 0s 0 0 12554.1915 0 55 12804.0000 12554.1915 1.95% - 0s 0 0 12554.6119 0 59 12804.0000 12554.6119 1.95% - 0s 0 0 12554.8653 0 59 12804.0000 12554.8653 1.95% - 0s 0 0 12555.2308 0 54 12804.0000 12555.2308 1.94% - 0s 0 0 12555.3590 0 56 12804.0000 12555.3590 1.94% - 0s 0 0 12555.4637 0 56 12804.0000 12555.4637 1.94% - 0s 0 0 12556.1652 0 63 12804.0000 12556.1652 1.94% - 0s 0 0 12556.7233 0 57 12804.0000 12556.7233 1.93% - 0s 0 0 12556.9112 0 59 12804.0000 12556.9112 1.93% - 0s 0 0 12557.0915 0 56 12804.0000 12557.0915 1.93% - 0s 0 0 12557.1375 0 64 12804.0000 12557.1375 1.93% - 0s 0 0 12557.1375 0 64 12804.0000 12557.1375 1.93% - 0s H 0 0 12801.000000 12557.1375 1.91% - 0s 0 2 12557.4645 0 64 12801.0000 12557.4645 1.90% - 0s * 33 14 29 12790.000000 12583.0000 1.62% 5.8 0s * 71 29 10 12771.000000 12600.2400 1.34% 5.1 0s * 82 36 8 12756.000000 12611.0000 1.14% 5.6 0s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 1 Explored 335 nodes (1968 simplex iterations) in 1.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275600000000e+04, best bound 1.275500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 298 rows, 1128 columns and 70088 nonzeros Presolve time: 0.04s Presolved: 298 rows, 1128 columns, 70088 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12873.000000 12519.2500 2.75% - 0s 0 0 12547.0000 0 43 12873.0000 12547.0000 2.53% - 0s 0 0 12547.0000 0 36 12873.0000 12547.0000 2.53% - 0s 0 0 12548.5000 0 10 12873.0000 12548.5000 2.52% - 0s 0 0 12555.6336 0 36 12873.0000 12555.6336 2.47% - 0s 0 0 12557.1500 0 38 12873.0000 12557.1500 2.45% - 0s 0 0 12557.2398 0 44 12873.0000 12557.2398 2.45% - 0s 0 0 12557.2545 0 46 12873.0000 12557.2545 2.45% - 0s 0 0 12557.5071 0 51 12873.0000 12557.5071 2.45% - 0s 0 0 12557.7010 0 40 12873.0000 12557.7010 2.45% - 0s 0 0 12558.8750 0 48 12873.0000 12558.8750 2.44% - 0s 0 0 12558.9423 0 47 12873.0000 12558.9423 2.44% - 0s 0 0 12558.9455 0 56 12873.0000 12558.9455 2.44% - 0s 0 0 12559.0968 0 47 12873.0000 12559.0968 2.44% - 0s H 0 0 12828.000000 12559.0968 2.10% - 0s 0 0 12559.1763 0 54 12828.0000 12559.1763 2.10% - 0s 0 0 12559.3814 0 60 12828.0000 12559.3814 2.09% - 0s 0 0 12559.6416 0 56 12828.0000 12559.6416 2.09% - 0s 0 0 12559.7329 0 65 12828.0000 12559.7329 2.09% - 0s 0 0 12559.8657 0 62 12828.0000 12559.8657 2.09% - 0s 0 0 12560.0844 0 61 12828.0000 12560.0844 2.09% - 0s 0 0 12560.2307 0 64 12828.0000 12560.2307 2.09% - 0s H 0 0 12769.000000 12560.2307 1.63% - 0s 0 2 12560.5746 0 64 12769.0000 12560.5746 1.63% - 0s * 63 28 32 12764.000000 12596.4583 1.31% 5.8 0s * 138 62 13 12763.000000 12624.7143 1.08% 5.5 1s * 183 72 8 12757.000000 12655.0000 0.80% 5.3 1s * 232 63 13 12755.000000 12670.2000 0.66% 5.3 1s Cutting planes: Gomory: 4 Cover: 2 Zero half: 7 Explored 404 nodes (2346 simplex iterations) in 1.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275500000000e+04, best bound 1.275500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46), (38, 40)] Optimize a model with 299 rows, 1128 columns and 70439 nonzeros Presolve time: 0.04s Presolved: 299 rows, 1128 columns, 70439 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13044.000000 12519.2500 4.02% - 0s 0 0 12547.0000 0 43 13044.0000 12547.0000 3.81% - 0s 0 0 12547.0000 0 36 13044.0000 12547.0000 3.81% - 0s 0 0 12547.0000 0 43 13044.0000 12547.0000 3.81% - 0s 0 0 12548.5000 0 10 13044.0000 12548.5000 3.80% - 0s 0 0 12548.7500 0 18 13044.0000 12548.7500 3.80% - 0s 0 0 12549.4688 0 38 13044.0000 12549.4688 3.79% - 0s 0 0 12549.7031 0 46 13044.0000 12549.7031 3.79% - 0s 0 0 12550.3203 0 51 13044.0000 12550.3203 3.78% - 0s 0 0 12551.8850 0 56 13044.0000 12551.8850 3.77% - 0s 0 0 12552.1350 0 58 13044.0000 12552.1350 3.77% - 0s 0 0 12553.0369 0 62 13044.0000 12553.0369 3.76% - 0s 0 0 12554.2885 0 52 13044.0000 12554.2885 3.75% - 0s 0 0 12554.7985 0 55 13044.0000 12554.7985 3.75% - 0s 0 0 12555.4154 0 54 13044.0000 12555.4154 3.75% - 0s H 0 0 12826.000000 12555.4154 2.11% - 0s 0 2 12555.4523 0 54 12826.0000 12555.4523 2.11% - 0s * 37 22 35 12784.000000 12579.0000 1.60% 6.3 1s * 45 23 10 12764.000000 12591.6154 1.35% 6.2 1s * 56 21 12 12757.000000 12593.0000 1.29% 6.2 1s * 226 49 13 12756.000000 12653.0000 0.81% 5.9 1s * 375 10 10 12755.000000 12729.2857 0.20% 6.0 1s Cutting planes: Gomory: 2 Zero half: 6 Explored 394 nodes (2686 simplex iterations) in 1.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275500000000e+04, best bound 1.275500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 300 rows, 1128 columns and 70764 nonzeros Presolve time: 0.04s Presolved: 300 rows, 1128 columns, 70764 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12928.000000 12519.2500 3.16% - 0s 0 0 12547.0000 0 43 12928.0000 12547.0000 2.95% - 0s 0 0 12547.0000 0 36 12928.0000 12547.0000 2.95% - 0s H 0 0 12826.000000 12547.0000 2.18% - 0s 0 0 12547.0000 0 43 12826.0000 12547.0000 2.18% - 0s 0 2 12561.8824 0 43 12826.0000 12561.8824 2.06% - 0s H 13 9 12765.000000 12568.7428 1.54% 0.3 0s * 60 25 19 12757.000000 12580.2153 1.39% 9.9 1s * 231 49 26 12756.000000 12666.0000 0.71% 6.8 1s Cutting planes: Gomory: 6 Zero half: 1 Mod-K: 4 Explored 380 nodes (2379 simplex iterations) in 1.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275600000000e+04, best bound 1.275600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 301 rows, 1128 columns and 71017 nonzeros Presolve time: 0.04s Presolved: 301 rows, 1128 columns, 71017 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12924.000000 12519.2500 3.13% - 0s 0 0 12547.0000 0 43 12924.0000 12547.0000 2.92% - 0s 0 0 12547.0000 0 36 12924.0000 12547.0000 2.92% - 0s 0 0 12547.0000 0 43 12924.0000 12547.0000 2.92% - 0s 0 0 12548.5000 0 10 12924.0000 12548.5000 2.91% - 0s 0 0 12548.7500 0 18 12924.0000 12548.7500 2.90% - 0s 0 0 12550.3272 0 47 12924.0000 12550.3272 2.89% - 0s 0 0 12550.7118 0 57 12924.0000 12550.7118 2.89% - 0s H 0 0 12757.000000 12550.7118 1.62% - 0s 0 0 12551.6047 0 56 12757.0000 12551.6047 1.61% - 0s 0 2 12558.3214 0 56 12757.0000 12558.3214 1.56% - 0s Cutting planes: Gomory: 7 Zero half: 4 Mod-K: 1 Explored 369 nodes (2360 simplex iterations) in 1.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275700000000e+04, best bound 1.275700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 302 rows, 1128 columns and 71317 nonzeros Presolve time: 0.04s Presolved: 302 rows, 1128 columns, 71317 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12924.000000 12519.2500 3.13% - 0s 0 0 12547.0000 0 43 12924.0000 12547.0000 2.92% - 0s 0 0 12547.0000 0 36 12924.0000 12547.0000 2.92% - 0s 0 0 12547.0000 0 43 12924.0000 12547.0000 2.92% - 0s 0 0 12548.5000 0 10 12924.0000 12548.5000 2.91% - 0s 0 0 12548.7500 0 18 12924.0000 12548.7500 2.90% - 0s 0 0 12550.3272 0 47 12924.0000 12550.3272 2.89% - 0s H 0 0 12885.000000 12550.3272 2.60% - 0s 0 0 12550.7118 0 57 12885.0000 12550.7118 2.59% - 0s 0 0 12551.6047 0 56 12885.0000 12551.6047 2.59% - 0s 0 0 12552.6758 0 57 12885.0000 12552.6758 2.58% - 0s 0 0 12552.7600 0 55 12885.0000 12552.7600 2.58% - 0s 0 0 12552.8227 0 61 12885.0000 12552.8227 2.58% - 0s 0 0 12553.3243 0 66 12885.0000 12553.3243 2.57% - 0s 0 0 12553.8939 0 71 12885.0000 12553.8939 2.57% - 0s 0 0 12556.1488 0 47 12885.0000 12556.1488 2.55% - 0s 0 0 12556.4625 0 63 12885.0000 12556.4625 2.55% - 0s 0 0 12556.8972 0 50 12885.0000 12556.8972 2.55% - 0s 0 0 12556.9413 0 59 12885.0000 12556.9413 2.55% - 0s 0 0 12557.2015 0 53 12885.0000 12557.2015 2.54% - 0s 0 0 12557.2586 0 49 12885.0000 12557.2586 2.54% - 0s 0 0 12557.3407 0 55 12885.0000 12557.3407 2.54% - 0s 0 0 12557.4135 0 59 12885.0000 12557.4135 2.54% - 0s H 0 0 12826.000000 12557.4135 2.09% - 0s 0 2 12557.4367 0 59 12826.0000 12557.4367 2.09% - 0s * 46 17 44 12806.000000 12575.5000 1.80% 5.8 1s H 86 33 12757.000000 12585.3333 1.35% 5.2 1s Cutting planes: Gomory: 3 Zero half: 11 Explored 382 nodes (2401 simplex iterations) in 1.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275700000000e+04, best bound 1.275700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 303 rows, 1128 columns and 71617 nonzeros Presolve time: 0.04s Presolved: 303 rows, 1128 columns, 71617 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12881.000000 12519.2500 2.81% - 0s 0 0 12547.0000 0 44 12881.0000 12547.0000 2.59% - 0s 0 0 12547.0000 0 36 12881.0000 12547.0000 2.59% - 0s 0 0 12547.0148 0 44 12881.0000 12547.0148 2.59% - 0s 0 0 12548.5000 0 10 12881.0000 12548.5000 2.58% - 0s 0 0 12548.7778 0 18 12881.0000 12548.7778 2.58% - 0s 0 0 12549.4688 0 38 12881.0000 12549.4688 2.57% - 0s H 0 0 12821.000000 12549.4688 2.12% - 0s 0 0 12549.7031 0 46 12821.0000 12549.7031 2.12% - 0s 0 0 12550.3254 0 52 12821.0000 12550.3254 2.11% - 0s 0 0 12551.9239 0 56 12821.0000 12551.9239 2.10% - 0s 0 0 12552.4246 0 58 12821.0000 12552.4246 2.09% - 0s 0 0 12552.8006 0 61 12821.0000 12552.8006 2.09% - 0s 0 0 12554.2500 0 45 12821.0000 12554.2500 2.08% - 0s 0 0 12554.6429 0 48 12821.0000 12554.6429 2.08% - 0s 0 0 12554.6825 0 53 12821.0000 12554.6825 2.08% - 0s 0 0 12554.7582 0 54 12821.0000 12554.7582 2.08% - 0s 0 0 12554.9951 0 57 12821.0000 12554.9951 2.07% - 0s 0 2 12555.2311 0 57 12821.0000 12555.2311 2.07% - 0s H 36 14 12771.000000 12579.0400 1.50% 4.8 0s * 88 30 11 12757.000000 12584.4124 1.35% 5.0 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 385 nodes (2492 simplex iterations) in 1.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275700000000e+04, best bound 1.275700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 304 rows, 1128 columns and 71848 nonzeros Presolve time: 0.04s Presolved: 304 rows, 1128 columns, 71848 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12839.000000 12519.2500 2.49% - 0s 0 0 12546.8636 0 43 12839.0000 12546.8636 2.28% - 0s 0 0 12546.8636 0 36 12839.0000 12546.8636 2.28% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7500 0 18 12826.0000 12548.7500 2.16% - 0s 0 0 12549.9231 0 46 12826.0000 12549.9231 2.15% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.6133 0 38 12826.0000 12551.6133 2.14% - 0s 0 0 12552.3482 0 61 12826.0000 12552.3482 2.13% - 0s 0 0 12554.4655 0 44 12826.0000 12554.4655 2.12% - 0s 0 0 12554.5849 0 52 12826.0000 12554.5849 2.12% - 0s 0 0 12555.3105 0 55 12826.0000 12555.3105 2.11% - 0s 0 0 12555.8736 0 52 12826.0000 12555.8736 2.11% - 0s 0 0 12556.1404 0 50 12826.0000 12556.1404 2.10% - 0s 0 0 12556.2028 0 56 12826.0000 12556.2028 2.10% - 0s H 0 0 12821.000000 12556.2028 2.07% - 0s 0 2 12556.2334 0 56 12821.0000 12556.2334 2.07% - 0s * 39 16 38 12799.000000 12578.9000 1.72% 6.9 0s * 40 14 37 12795.000000 12578.9000 1.69% 6.8 0s H 42 13 12785.000000 12585.2500 1.56% 7.0 0s * 66 29 27 12760.000000 12611.5556 1.16% 6.0 0s * 67 28 27 12758.000000 12611.5556 1.15% 6.0 0s * 80 33 12 12757.000000 12611.5556 1.14% 5.6 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 321 nodes (2186 simplex iterations) in 1.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275700000000e+04, best bound 1.275600000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (13, 16), (13, 21), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 305 rows, 1128 columns and 72148 nonzeros Presolve time: 0.04s Presolved: 305 rows, 1128 columns, 72148 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12833.000000 12519.2500 2.44% - 0s 0 0 12546.8636 0 43 12833.0000 12546.8636 2.23% - 0s 0 0 12546.8636 0 36 12833.0000 12546.8636 2.23% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7500 0 18 12826.0000 12548.7500 2.16% - 0s 0 0 12549.9231 0 46 12826.0000 12549.9231 2.15% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.6133 0 38 12826.0000 12551.6133 2.14% - 0s 0 0 12552.3482 0 61 12826.0000 12552.3482 2.13% - 0s 0 0 12554.4655 0 44 12826.0000 12554.4655 2.12% - 0s 0 0 12554.5764 0 52 12826.0000 12554.5764 2.12% - 0s 0 0 12554.7031 0 51 12826.0000 12554.7031 2.12% - 0s 0 0 12555.2299 0 57 12826.0000 12555.2299 2.11% - 0s 0 0 12555.4436 0 58 12826.0000 12555.4436 2.11% - 0s 0 0 12555.6758 0 57 12826.0000 12555.6758 2.11% - 0s 0 0 12555.8034 0 62 12826.0000 12555.8034 2.11% - 0s 0 0 12556.7632 0 55 12826.0000 12556.7632 2.10% - 0s 0 0 12556.8024 0 60 12826.0000 12556.8024 2.10% - 0s 0 0 12556.8431 0 62 12826.0000 12556.8431 2.10% - 0s 0 0 12556.9109 0 64 12826.0000 12556.9109 2.10% - 0s 0 2 12556.9899 0 64 12826.0000 12556.9899 2.10% - 0s * 26 12 24 12779.000000 12579.4872 1.56% 7.1 0s * 67 31 11 12764.000000 12608.7714 1.22% 5.9 1s * 185 72 15 12758.000000 12648.5000 0.86% 5.1 1s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 5 Explored 400 nodes (2394 simplex iterations) in 1.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275800000000e+04, best bound 1.275700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 21), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 306 rows, 1128 columns and 72448 nonzeros Presolve time: 0.04s Presolved: 306 rows, 1128 columns, 72448 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13035.000000 12519.2500 3.96% - 0s 0 0 12546.8636 0 43 13035.0000 12546.8636 3.74% - 0s 0 0 12546.8636 0 36 13035.0000 12546.8636 3.74% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 2 12561.8824 0 43 12826.0000 12561.8824 2.06% - 0s H 19 13 12803.000000 12570.5706 1.82% 0.0 1s * 47 21 26 12770.000000 12573.6278 1.54% 10.5 1s * 71 19 24 12760.000000 12580.1433 1.41% 10.0 1s * 208 58 23 12758.000000 12669.0000 0.70% 6.8 1s Cutting planes: Gomory: 7 Zero half: 2 Mod-K: 4 Explored 393 nodes (2466 simplex iterations) in 1.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275800000000e+04, best bound 1.275700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 307 rows, 1128 columns and 72748 nonzeros Presolve time: 0.04s Presolved: 307 rows, 1128 columns, 72748 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12924.000000 12519.2500 3.13% - 0s 0 0 12546.8636 0 43 12924.0000 12546.8636 2.92% - 0s 0 0 12546.8636 0 36 12924.0000 12546.8636 2.92% - 0s 0 0 12546.8636 0 43 12924.0000 12546.8636 2.92% - 0s 0 0 12548.5000 0 10 12924.0000 12548.5000 2.91% - 0s 0 0 12548.7500 0 18 12924.0000 12548.7500 2.90% - 0s 0 0 12549.3333 0 46 12924.0000 12549.3333 2.90% - 0s 0 0 12550.0672 0 52 12924.0000 12550.0672 2.89% - 0s H 0 0 12837.000000 12550.0672 2.24% - 0s 0 0 12551.6176 0 44 12837.0000 12551.6176 2.22% - 0s H 0 0 12758.000000 12551.6176 1.62% - 0s 0 2 12562.0444 0 44 12758.0000 12562.0444 1.54% - 0s * 33 22 22 12757.000000 12577.4866 1.41% 15.8 1s Cutting planes: Gomory: 7 Zero half: 7 Explored 308 nodes (2306 simplex iterations) in 1.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275700000000e+04, best bound 1.275700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 308 rows, 1128 columns and 73024 nonzeros Presolve time: 0.04s Presolved: 308 rows, 1128 columns, 73024 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12846.000000 12519.2500 2.54% - 0s 0 0 12546.8636 0 43 12846.0000 12546.8636 2.33% - 0s 0 0 12546.8636 0 36 12846.0000 12546.8636 2.33% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7500 0 18 12826.0000 12548.7500 2.16% - 0s 0 0 12549.4762 0 46 12826.0000 12549.4762 2.16% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.5188 0 57 12826.0000 12551.5188 2.14% - 0s 0 0 12551.9321 0 54 12826.0000 12551.9321 2.14% - 0s 0 0 12552.1414 0 57 12826.0000 12552.1414 2.14% - 0s 0 0 12553.0364 0 49 12826.0000 12553.0364 2.13% - 0s 0 0 12553.1940 0 57 12826.0000 12553.1940 2.13% - 0s 0 0 12554.6061 0 49 12826.0000 12554.6061 2.12% - 0s 0 0 12554.6667 0 35 12826.0000 12554.6667 2.12% - 0s 0 0 12554.7019 0 54 12826.0000 12554.7019 2.12% - 0s 0 0 12554.8414 0 61 12826.0000 12554.8414 2.11% - 0s 0 0 12555.3743 0 57 12826.0000 12555.3743 2.11% - 0s 0 0 12555.7096 0 59 12826.0000 12555.7096 2.11% - 0s 0 0 12555.7860 0 62 12826.0000 12555.7860 2.11% - 0s 0 0 12555.8085 0 64 12826.0000 12555.8085 2.11% - 0s 0 0 12555.8808 0 62 12826.0000 12555.8808 2.11% - 0s 0 0 12555.8894 0 65 12826.0000 12555.8894 2.11% - 0s H 0 0 12801.000000 12555.8894 1.91% - 0s 0 2 12555.9568 0 65 12801.0000 12555.9568 1.91% - 0s * 75 34 16 12764.000000 12578.3000 1.45% 6.6 1s * 128 59 22 12760.000000 12595.9643 1.29% 6.7 1s H 134 56 12758.000000 12610.3182 1.16% 6.9 1s Cutting planes: Gomory: 3 Zero half: 5 Mod-K: 3 Explored 407 nodes (3094 simplex iterations) in 1.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275800000000e+04, best bound 1.275800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 309 rows, 1128 columns and 73300 nonzeros Presolve time: 0.04s Presolved: 309 rows, 1128 columns, 73300 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12881.000000 12519.2500 2.81% - 0s 0 0 12546.8636 0 43 12881.0000 12546.8636 2.59% - 0s 0 0 12546.8636 0 36 12881.0000 12546.8636 2.59% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7778 0 18 12826.0000 12548.7778 2.16% - 0s 0 0 12549.4688 0 38 12826.0000 12549.4688 2.16% - 0s 0 0 12549.7031 0 46 12826.0000 12549.7031 2.15% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.3980 0 61 12826.0000 12551.3980 2.14% - 0s 0 0 12553.1731 0 53 12826.0000 12553.1731 2.13% - 0s 0 0 12553.9534 0 55 12826.0000 12553.9534 2.12% - 0s 0 2 12554.3066 0 55 12826.0000 12554.3066 2.12% - 0s * 24 16 22 12791.000000 12577.3038 1.67% 7.2 0s * 27 17 24 12783.000000 12577.3038 1.61% 7.0 0s * 73 32 19 12760.000000 12599.8333 1.26% 7.1 0s * 293 27 13 12759.000000 12685.5714 0.58% 6.4 0s * 300 23 6 12758.000000 12690.7143 0.53% 6.4 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 351 nodes (2470 simplex iterations) in 0.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275800000000e+04, best bound 1.275800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 310 rows, 1128 columns and 73576 nonzeros Presolve time: 0.04s Presolved: 310 rows, 1128 columns, 73576 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12853.000000 12519.2500 2.60% - 0s 0 0 12546.8636 0 43 12853.0000 12546.8636 2.38% - 0s 0 0 12546.8636 0 36 12853.0000 12546.8636 2.38% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7500 0 18 12826.0000 12548.7500 2.16% - 0s 0 0 12549.5526 0 46 12826.0000 12549.5526 2.16% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.6585 0 60 12826.0000 12551.6585 2.14% - 0s 0 0 12552.3659 0 61 12826.0000 12552.3659 2.13% - 0s 0 0 12553.5000 0 46 12826.0000 12553.5000 2.12% - 0s 0 0 12553.6339 0 54 12826.0000 12553.6339 2.12% - 0s 0 0 12554.1973 0 54 12826.0000 12554.1973 2.12% - 0s 0 0 12554.3583 0 54 12826.0000 12554.3583 2.12% - 0s 0 0 12554.5811 0 57 12826.0000 12554.5811 2.12% - 0s 0 0 12554.7071 0 62 12826.0000 12554.7071 2.12% - 0s 0 0 12555.0979 0 59 12826.0000 12555.0979 2.11% - 0s 0 0 12555.2426 0 60 12826.0000 12555.2426 2.11% - 0s 0 0 12555.4524 0 64 12826.0000 12555.4524 2.11% - 0s 0 0 12555.4558 0 62 12826.0000 12555.4558 2.11% - 0s H 0 0 12804.000000 12555.4558 1.94% - 0s H 0 0 12782.000000 12555.4558 1.77% - 0s 0 2 12555.5176 0 62 12782.0000 12555.5176 1.77% - 0s H 43 19 12769.000000 12579.2778 1.49% 6.8 0s * 51 25 12 12764.000000 12579.2778 1.45% 6.6 0s * 140 45 12 12760.000000 12616.7500 1.12% 5.8 1s * 390 19 8 12759.000000 12711.0000 0.38% 6.1 1s Cutting planes: Gomory: 3 Zero half: 8 Explored 430 nodes (2969 simplex iterations) in 1.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275900000000e+04, best bound 1.275900000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 311 rows, 1128 columns and 73807 nonzeros Presolve time: 0.04s Presolved: 311 rows, 1128 columns, 73807 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12849.000000 12519.2500 2.57% - 0s 0 0 12546.8636 0 43 12849.0000 12546.8636 2.35% - 0s 0 0 12546.8636 0 36 12849.0000 12546.8636 2.35% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7500 0 18 12826.0000 12548.7500 2.16% - 0s 0 0 12549.5526 0 46 12826.0000 12549.5526 2.16% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.6585 0 60 12826.0000 12551.6585 2.14% - 0s 0 0 12552.3659 0 61 12826.0000 12552.3659 2.13% - 0s 0 0 12554.4655 0 44 12826.0000 12554.4655 2.12% - 0s 0 0 12554.5517 0 52 12826.0000 12554.5517 2.12% - 0s 0 0 12555.5742 0 48 12826.0000 12555.5742 2.11% - 0s 0 0 12555.6894 0 56 12826.0000 12555.6894 2.11% - 0s 0 0 12556.1190 0 46 12826.0000 12556.1190 2.10% - 0s 0 0 12556.2143 0 54 12826.0000 12556.2143 2.10% - 0s 0 0 12556.2818 0 52 12826.0000 12556.2818 2.10% - 0s 0 0 12556.3684 0 60 12826.0000 12556.3684 2.10% - 0s 0 0 12556.5508 0 48 12826.0000 12556.5508 2.10% - 0s 0 0 12556.6467 0 55 12826.0000 12556.6467 2.10% - 0s 0 0 12556.6551 0 57 12826.0000 12556.6551 2.10% - 0s 0 0 12556.8226 0 56 12826.0000 12556.8226 2.10% - 0s 0 0 12556.9226 0 59 12826.0000 12556.9226 2.10% - 0s 0 0 12557.0577 0 63 12826.0000 12557.0577 2.10% - 0s 0 0 12557.1258 0 63 12826.0000 12557.1258 2.10% - 0s 0 0 12557.2576 0 59 12826.0000 12557.2576 2.10% - 0s 0 0 12557.2692 0 63 12826.0000 12557.2692 2.10% - 0s 0 0 12557.2991 0 63 12826.0000 12557.2991 2.09% - 0s H 0 0 12821.000000 12557.2991 2.06% - 0s 0 2 12557.4365 0 63 12821.0000 12557.4365 2.06% - 1s * 43 13 41 12803.000000 12583.0000 1.72% 6.2 1s H 44 12 12771.000000 12583.0000 1.47% 6.1 1s H 121 45 12766.000000 12611.5556 1.21% 5.4 1s * 152 52 13 12765.000000 12611.5556 1.20% 5.3 1s * 172 55 15 12762.000000 12619.4167 1.12% 5.2 1s * 190 61 17 12760.000000 12631.9000 1.00% 5.2 1s Cutting planes: Gomory: 2 Zero half: 11 Mod-K: 5 Explored 427 nodes (2704 simplex iterations) in 1.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276000000000e+04, best bound 1.276000000000e+04, gap 0.0% adding cut for [(33, 46), (4, 40), (7, 37), (7, 28), (10, 38), (10, 40), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 312 rows, 1128 columns and 74017 nonzeros Presolve time: 0.04s Presolved: 312 rows, 1128 columns, 74017 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13037.000000 12519.2500 3.97% - 0s 0 0 12546.8636 0 43 13037.0000 12546.8636 3.76% - 0s 0 0 12546.8636 0 36 13037.0000 12546.8636 3.76% - 0s 0 0 12546.8636 0 43 13037.0000 12546.8636 3.76% - 0s 0 0 12548.5000 0 10 13037.0000 12548.5000 3.75% - 0s 0 0 12548.7500 0 18 13037.0000 12548.7500 3.75% - 0s 0 0 12549.8806 0 37 13037.0000 12549.8806 3.74% - 0s 0 0 12550.0348 0 45 13037.0000 12550.0348 3.74% - 0s 0 0 12550.2067 0 52 13037.0000 12550.2067 3.73% - 0s 0 0 12551.7189 0 49 13037.0000 12551.7189 3.72% - 0s 0 0 12551.8817 0 57 13037.0000 12551.8817 3.72% - 0s 0 0 12553.6426 0 62 13037.0000 12553.6426 3.71% - 0s 0 0 12554.6199 0 54 13037.0000 12554.6199 3.70% - 0s 0 0 12554.8052 0 59 13037.0000 12554.8052 3.70% - 0s 0 0 12555.6610 0 57 13037.0000 12555.6610 3.69% - 0s 0 0 12556.0050 0 59 13037.0000 12556.0050 3.69% - 0s 0 0 12556.0856 0 59 13037.0000 12556.0856 3.69% - 0s 0 0 12556.4331 0 54 13037.0000 12556.4331 3.69% - 0s 0 0 12556.7159 0 58 13037.0000 12556.7159 3.68% - 0s 0 0 12556.7623 0 60 13037.0000 12556.7623 3.68% - 0s 0 0 12557.5218 0 56 13037.0000 12557.5218 3.68% - 0s H 0 0 12826.000000 12557.5218 2.09% - 1s H 0 0 12821.000000 12557.5218 2.06% - 1s 0 2 12557.5552 0 56 12821.0000 12557.5552 2.05% - 1s * 46 25 30 12779.000000 12578.8333 1.57% 7.3 1s * 84 33 12 12773.000000 12616.0000 1.23% 7.0 1s * 109 40 11 12771.000000 12623.3333 1.16% 6.9 1s * 148 52 13 12767.000000 12635.0000 1.03% 7.0 1s * 197 53 11 12765.000000 12645.1667 0.94% 6.7 1s * 208 51 9 12763.000000 12655.0000 0.85% 6.5 1s * 263 36 14 12762.000000 12674.5000 0.69% 6.8 1s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 1 Explored 393 nodes (2666 simplex iterations) in 1.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276200000000e+04, best bound 1.276100000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 313 rows, 1128 columns and 74248 nonzeros Presolve time: 0.04s Presolved: 313 rows, 1128 columns, 74248 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12780.000000 12519.2500 2.04% - 0s 0 0 12546.8636 0 43 12780.0000 12546.8636 1.82% - 0s 0 0 12546.8636 0 36 12780.0000 12546.8636 1.82% - 0s 0 0 12548.5000 0 10 12780.0000 12548.5000 1.81% - 0s 0 0 12555.2941 0 41 12780.0000 12555.2941 1.76% - 0s 0 0 12555.3754 0 49 12780.0000 12555.3754 1.76% - 0s 0 0 12555.5528 0 43 12780.0000 12555.5528 1.76% - 0s 0 0 12555.7213 0 51 12780.0000 12555.7213 1.75% - 0s 0 0 12556.7466 0 47 12780.0000 12556.7466 1.75% - 0s 0 0 12556.8431 0 55 12780.0000 12556.8431 1.75% - 0s 0 0 12557.6036 0 47 12780.0000 12557.6036 1.74% - 0s 0 0 12557.6991 0 55 12780.0000 12557.6991 1.74% - 0s 0 0 12557.7408 0 52 12780.0000 12557.7408 1.74% - 0s 0 0 12557.8304 0 60 12780.0000 12557.8304 1.74% - 0s 0 0 12558.1065 0 53 12780.0000 12558.1065 1.74% - 0s 0 0 12558.2836 0 61 12780.0000 12558.2836 1.73% - 0s 0 0 12558.8985 0 53 12780.0000 12558.8985 1.73% - 0s 0 0 12558.9981 0 59 12780.0000 12558.9981 1.73% - 0s 0 0 12559.1206 0 57 12780.0000 12559.1206 1.73% - 0s 0 0 12559.2461 0 62 12780.0000 12559.2461 1.73% - 0s 0 0 12559.5689 0 64 12780.0000 12559.5689 1.72% - 0s 0 0 12559.8529 0 66 12780.0000 12559.8529 1.72% - 0s 0 0 12560.2468 0 60 12780.0000 12560.2468 1.72% - 0s 0 0 12560.3413 0 60 12780.0000 12560.3413 1.72% - 0s 0 0 12560.3559 0 63 12780.0000 12560.3559 1.72% - 0s H 0 0 12771.000000 12560.3559 1.65% - 0s 0 2 12560.3636 0 63 12771.0000 12560.3636 1.65% - 0s * 143 39 13 12763.000000 12628.1860 1.06% 6.1 1s Cutting planes: Gomory: 3 Zero half: 16 Explored 476 nodes (2964 simplex iterations) in 1.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276300000000e+04, best bound 1.276300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 314 rows, 1128 columns and 74524 nonzeros Presolve time: 0.04s Presolved: 314 rows, 1128 columns, 74524 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13052.000000 12519.2500 4.08% - 0s 0 0 12546.8636 0 43 13052.0000 12546.8636 3.87% - 0s 0 0 12546.8636 0 36 13052.0000 12546.8636 3.87% - 0s 0 0 12546.8636 0 43 13052.0000 12546.8636 3.87% - 0s 0 0 12548.5000 0 10 13052.0000 12548.5000 3.86% - 0s 0 0 12548.7500 0 18 13052.0000 12548.7500 3.86% - 0s 0 0 12550.1795 0 39 13052.0000 12550.1795 3.84% - 0s 0 0 12550.2789 0 50 13052.0000 12550.2789 3.84% - 0s 0 0 12551.4176 0 43 13052.0000 12551.4176 3.84% - 0s 0 0 12551.5531 0 51 13052.0000 12551.5531 3.83% - 0s 0 0 12552.4063 0 58 13052.0000 12552.4063 3.83% - 0s 0 0 12552.9829 0 59 13052.0000 12552.9829 3.82% - 0s 0 0 12553.5844 0 59 13052.0000 12553.5844 3.82% - 0s 0 0 12554.4573 0 53 13052.0000 12554.4573 3.81% - 0s 0 0 12554.5759 0 58 13052.0000 12554.5759 3.81% - 0s 0 0 12555.0211 0 60 13052.0000 12555.0211 3.81% - 0s 0 0 12555.3478 0 61 13052.0000 12555.3478 3.81% - 0s 0 0 12555.6325 0 69 13052.0000 12555.6325 3.80% - 0s 0 0 12557.7419 0 44 13052.0000 12557.7419 3.79% - 0s 0 0 12559.4090 0 51 13052.0000 12559.4090 3.77% - 0s 0 0 12559.9971 0 56 13052.0000 12559.9971 3.77% - 0s 0 0 12560.0671 0 62 13052.0000 12560.0671 3.77% - 0s 0 0 12560.4171 0 51 13052.0000 12560.4171 3.77% - 0s 0 0 12560.6806 0 60 13052.0000 12560.6806 3.76% - 0s 0 0 12560.6806 0 60 13052.0000 12560.6806 3.76% - 1s H 0 0 12903.000000 12560.6806 2.65% - 1s H 0 0 12806.000000 12560.6806 1.92% - 1s H 0 0 12785.000000 12560.6806 1.75% - 1s 0 2 12560.7481 0 60 12785.0000 12560.7481 1.75% - 1s * 25 15 21 12764.000000 12578.0000 1.46% 9.0 1s * 388 33 9 12763.000000 12712.3333 0.40% 5.8 1s Cutting planes: Gomory: 4 Zero half: 11 Mod-K: 2 Explored 456 nodes (2897 simplex iterations) in 1.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276300000000e+04, best bound 1.276300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 315 rows, 1128 columns and 74800 nonzeros Presolve time: 0.04s Presolved: 315 rows, 1128 columns, 74800 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12853.000000 12519.2500 2.60% - 0s 0 0 12546.8636 0 43 12853.0000 12546.8636 2.38% - 0s 0 0 12546.8636 0 36 12853.0000 12546.8636 2.38% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12548.7778 0 18 12826.0000 12548.7778 2.16% - 0s 0 0 12550.0237 0 52 12826.0000 12550.0237 2.15% - 0s 0 0 12551.7960 0 54 12826.0000 12551.7960 2.14% - 0s 0 0 12553.6215 0 42 12826.0000 12553.6215 2.12% - 0s 0 0 12553.7804 0 50 12826.0000 12553.7804 2.12% - 0s 0 0 12554.4872 0 60 12826.0000 12554.4872 2.12% - 0s 0 0 12556.2680 0 60 12826.0000 12556.2680 2.10% - 0s 0 0 12557.0962 0 58 12826.0000 12557.0962 2.10% - 0s 0 0 12557.2686 0 60 12826.0000 12557.2686 2.10% - 0s 0 0 12557.2943 0 61 12826.0000 12557.2943 2.10% - 0s 0 0 12557.3349 0 66 12826.0000 12557.3349 2.09% - 0s 0 0 12558.3216 0 65 12826.0000 12558.3216 2.09% - 0s 0 0 12559.2321 0 51 12826.0000 12559.2321 2.08% - 0s 0 0 12559.3948 0 58 12826.0000 12559.3948 2.08% - 0s 0 0 12559.5147 0 62 12826.0000 12559.5147 2.08% - 0s 0 0 12559.5303 0 64 12826.0000 12559.5303 2.08% - 0s 0 0 12559.6968 0 63 12826.0000 12559.6968 2.08% - 0s H 0 0 12789.000000 12559.6968 1.79% - 0s 0 0 12559.7984 0 61 12789.0000 12559.7984 1.79% - 0s 0 2 12562.2683 0 61 12789.0000 12562.2683 1.77% - 0s H 18 13 12780.000000 12573.1059 1.62% 0.0 1s * 55 23 35 12771.000000 12578.8091 1.50% 13.9 2s * 122 46 34 12764.000000 12597.0000 1.31% 10.2 2s Cutting planes: Gomory: 5 Zero half: 7 Mod-K: 4 Explored 660 nodes (4419 simplex iterations) in 2.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276400000000e+04, best bound 1.276400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 316 rows, 1128 columns and 75053 nonzeros Presolve time: 0.04s Presolved: 316 rows, 1128 columns, 75053 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12801.000000 12519.2500 2.20% - 0s 0 0 12546.8636 0 43 12801.0000 12546.8636 1.99% - 0s 0 0 12546.8636 0 36 12801.0000 12546.8636 1.99% - 0s 0 0 12548.5000 0 10 12801.0000 12548.5000 1.97% - 0s 0 0 12548.7778 0 18 12801.0000 12548.7778 1.97% - 0s 0 0 12550.2097 0 50 12801.0000 12550.2097 1.96% - 0s 0 0 12551.7013 0 44 12801.0000 12551.7013 1.95% - 0s 0 0 12551.8283 0 55 12801.0000 12551.8283 1.95% - 0s 0 0 12552.4015 0 52 12801.0000 12552.4015 1.94% - 0s 0 0 12552.5272 0 58 12801.0000 12552.5272 1.94% - 0s 0 0 12553.2596 0 55 12801.0000 12553.2596 1.94% - 0s 0 0 12553.4160 0 60 12801.0000 12553.4160 1.93% - 0s 0 0 12553.6301 0 59 12801.0000 12553.6301 1.93% - 0s 0 0 12554.7942 0 50 12801.0000 12554.7942 1.92% - 0s 0 0 12555.0206 0 58 12801.0000 12555.0206 1.92% - 0s 0 0 12555.3232 0 49 12801.0000 12555.3232 1.92% - 0s 0 0 12555.9307 0 62 12801.0000 12555.9307 1.91% - 0s 0 0 12557.5971 0 51 12801.0000 12557.5971 1.90% - 0s 0 0 12558.4631 0 61 12801.0000 12558.4631 1.89% - 0s 0 0 12558.7880 0 57 12801.0000 12558.7880 1.89% - 0s 0 0 12558.9167 0 61 12801.0000 12558.9167 1.89% - 0s 0 0 12559.3441 0 59 12801.0000 12559.3441 1.89% - 0s 0 0 12559.4188 0 61 12801.0000 12559.4188 1.89% - 0s 0 0 12559.4258 0 61 12801.0000 12559.4258 1.89% - 0s 0 0 12559.4849 0 66 12801.0000 12559.4849 1.89% - 0s 0 0 12560.6237 0 61 12801.0000 12560.6237 1.88% - 0s H 0 0 12788.000000 12560.6237 1.78% - 0s H 0 0 12783.000000 12560.6237 1.74% - 0s 0 2 12560.6667 0 61 12783.0000 12560.6667 1.74% - 0s * 42 16 12 12766.000000 12578.9000 1.47% 6.9 1s * 294 43 5 12765.000000 12690.2500 0.59% 6.1 1s Cutting planes: Gomory: 2 Zero half: 8 Explored 373 nodes (2664 simplex iterations) in 1.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276500000000e+04, best bound 1.276500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 317 rows, 1128 columns and 75353 nonzeros Presolve time: 0.04s Presolved: 317 rows, 1128 columns, 75353 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12821.000000 12519.2500 2.35% - 0s 0 0 12546.8636 0 43 12821.0000 12546.8636 2.14% - 0s 0 0 12546.8636 0 36 12821.0000 12546.8636 2.14% - 0s 0 0 12546.8636 0 43 12821.0000 12546.8636 2.14% - 0s 0 0 12548.5000 0 10 12821.0000 12548.5000 2.13% - 0s 0 0 12548.7778 0 18 12821.0000 12548.7778 2.12% - 0s 0 0 12549.6923 0 38 12821.0000 12549.6923 2.12% - 0s 0 0 12549.9231 0 46 12821.0000 12549.9231 2.11% - 0s 0 0 12550.3203 0 51 12821.0000 12550.3203 2.11% - 0s 0 0 12551.4690 0 58 12821.0000 12551.4690 2.10% - 0s 0 0 12552.0845 0 55 12821.0000 12552.0845 2.10% - 0s 0 0 12553.0747 0 52 12821.0000 12553.0747 2.09% - 0s 0 0 12553.6938 0 46 12821.0000 12553.6938 2.08% - 0s 0 0 12553.9840 0 52 12821.0000 12553.9840 2.08% - 0s 0 0 12554.0462 0 60 12821.0000 12554.0462 2.08% - 0s 0 0 12554.0823 0 61 12821.0000 12554.0823 2.08% - 0s 0 0 12554.1382 0 62 12821.0000 12554.1382 2.08% - 0s 0 0 12554.4389 0 56 12821.0000 12554.4389 2.08% - 0s 0 0 12554.5353 0 56 12821.0000 12554.5353 2.08% - 0s 0 0 12554.6075 0 60 12821.0000 12554.6075 2.08% - 0s 0 0 12554.7457 0 63 12821.0000 12554.7457 2.08% - 0s 0 0 12554.9041 0 63 12821.0000 12554.9041 2.08% - 0s 0 0 12554.9315 0 64 12821.0000 12554.9315 2.08% - 0s 0 0 12555.5373 0 64 12821.0000 12555.5373 2.07% - 0s 0 2 12555.6403 0 64 12821.0000 12555.6403 2.07% - 1s * 29 12 27 12779.000000 12579.1979 1.56% 8.2 1s H 37 14 12775.000000 12581.5333 1.51% 9.0 1s * 48 20 17 12773.000000 12581.5333 1.50% 7.9 1s H 124 47 12771.000000 12625.0000 1.14% 7.1 1s * 146 46 7 12767.000000 12626.9783 1.10% 6.6 1s * 210 44 11 12765.000000 12652.0000 0.89% 6.5 1s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 3 Explored 375 nodes (2582 simplex iterations) in 1.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276500000000e+04, best bound 1.276500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 318 rows, 1128 columns and 75653 nonzeros Presolve time: 0.04s Presolved: 318 rows, 1128 columns, 75653 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12873.000000 12519.2500 2.75% - 0s 0 0 12546.8636 0 43 12873.0000 12546.8636 2.53% - 0s 0 0 12546.8636 0 36 12873.0000 12546.8636 2.53% - 0s 0 0 12546.8636 0 43 12873.0000 12546.8636 2.53% - 0s 0 0 12548.5000 0 10 12873.0000 12548.5000 2.52% - 0s 0 0 12548.7778 0 18 12873.0000 12548.7778 2.52% - 0s 0 0 12549.4687 0 38 12873.0000 12549.4687 2.51% - 0s 0 0 12549.7031 0 46 12873.0000 12549.7031 2.51% - 0s 0 0 12550.3203 0 51 12873.0000 12550.3203 2.51% - 0s 0 0 12551.6074 0 57 12873.0000 12551.6074 2.50% - 0s 0 0 12552.6987 0 59 12873.0000 12552.6987 2.49% - 0s 0 0 12553.9024 0 47 12873.0000 12553.9024 2.48% - 0s 0 0 12554.3324 0 52 12873.0000 12554.3324 2.48% - 0s 0 0 12554.4560 0 52 12873.0000 12554.4560 2.47% - 0s 0 0 12554.7214 0 54 12873.0000 12554.7214 2.47% - 0s 0 0 12554.8269 0 55 12873.0000 12554.8269 2.47% - 0s 0 0 12555.5769 0 48 12873.0000 12555.5769 2.47% - 0s 0 0 12555.6081 0 52 12873.0000 12555.6081 2.47% - 0s 0 0 12555.7588 0 61 12873.0000 12555.7588 2.46% - 0s 0 0 12556.2569 0 54 12873.0000 12556.2569 2.46% - 0s H 0 0 12822.000000 12556.2569 2.07% - 0s 0 0 12556.4110 0 56 12822.0000 12556.4110 2.07% - 0s 0 0 12556.4332 0 57 12822.0000 12556.4332 2.07% - 0s 0 0 12556.4379 0 64 12822.0000 12556.4379 2.07% - 0s H 0 0 12804.000000 12556.4379 1.93% - 0s H 0 0 12782.000000 12556.4379 1.76% - 0s 0 2 12557.6201 0 64 12782.0000 12557.6201 1.76% - 0s * 23 12 20 12780.000000 12570.9185 1.64% 8.1 1s * 91 40 7 12779.000000 12599.1000 1.41% 7.0 1s * 95 38 11 12770.000000 12599.1000 1.34% 7.0 1s * 96 37 11 12766.000000 12599.1000 1.31% 6.9 1s Cutting planes: Gomory: 3 Zero half: 12 Explored 412 nodes (2724 simplex iterations) in 1.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276600000000e+04, best bound 1.276600000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 46), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 319 rows, 1128 columns and 75863 nonzeros Presolve time: 0.04s Presolved: 319 rows, 1128 columns, 75863 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12876.000000 12519.2500 2.77% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 36 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12548.5000 0 10 12876.0000 12548.5000 2.54% - 0s 0 0 12548.7778 0 18 12876.0000 12548.7778 2.54% - 0s H 0 0 12843.000000 12548.7778 2.29% - 0s 0 0 12549.2343 0 46 12843.0000 12549.2343 2.29% - 0s 0 0 12550.3203 0 51 12843.0000 12550.3203 2.28% - 0s 0 0 12551.5073 0 59 12843.0000 12551.5073 2.27% - 0s 0 0 12553.0000 0 54 12843.0000 12553.0000 2.26% - 0s 0 0 12553.5000 0 52 12843.0000 12553.5000 2.25% - 0s 0 0 12553.5526 0 50 12843.0000 12553.5526 2.25% - 0s 0 0 12553.6134 0 58 12843.0000 12553.6134 2.25% - 0s 0 0 12554.3767 0 48 12843.0000 12554.3767 2.25% - 0s 0 0 12554.5734 0 53 12843.0000 12554.5734 2.25% - 0s 0 0 12554.7333 0 46 12843.0000 12554.7333 2.24% - 0s H 0 0 12826.000000 12554.7333 2.11% - 0s 0 2 12554.7645 0 46 12826.0000 12554.7645 2.11% - 0s H 27 13 12784.000000 12575.6415 1.63% 6.6 0s * 42 16 40 12779.000000 12575.6415 1.59% 6.0 0s * 52 14 8 12766.000000 12583.5000 1.43% 6.3 0s Cutting planes: Gomory: 2 Zero half: 7 Explored 412 nodes (2560 simplex iterations) in 1.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276600000000e+04, best bound 1.276600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 320 rows, 1128 columns and 76094 nonzeros Presolve time: 0.04s Presolved: 320 rows, 1128 columns, 76094 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12924.000000 12519.2500 3.13% - 0s 0 0 12546.8636 0 43 12924.0000 12546.8636 2.92% - 0s 0 0 12546.8636 0 36 12924.0000 12546.8636 2.92% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 2 12562.0000 0 43 12826.0000 12562.0000 2.06% - 0s H 22 14 12803.000000 12581.5964 1.73% 0.0 1s * 42 24 19 12771.000000 12584.4205 1.46% 12.9 1s * 177 44 16 12769.000000 12648.5278 0.94% 8.1 1s * 178 43 17 12768.000000 12648.5278 0.94% 8.1 1s * 322 44 23 12766.000000 12700.2308 0.52% 6.5 1s Cutting planes: Gomory: 9 Zero half: 5 Explored 429 nodes (2809 simplex iterations) in 1.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276600000000e+04, best bound 1.276500000000e+04, gap 0.0078% adding cut for [(2, 10), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 321 rows, 1128 columns and 76370 nonzeros Presolve time: 0.04s Presolved: 321 rows, 1128 columns, 76370 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12784.000000 12519.2500 2.07% - 0s 0 0 12546.8636 0 43 12784.0000 12546.8636 1.85% - 0s 0 0 12546.8636 0 36 12784.0000 12546.8636 1.85% - 0s 0 0 12548.5000 0 10 12784.0000 12548.5000 1.84% - 0s 0 0 12548.7778 0 18 12784.0000 12548.7778 1.84% - 0s 0 0 12555.2941 0 41 12784.0000 12555.2941 1.79% - 0s 0 0 12555.3934 0 49 12784.0000 12555.3934 1.79% - 0s 0 0 12555.5528 0 43 12784.0000 12555.5528 1.79% - 0s 0 0 12555.6694 0 51 12784.0000 12555.6694 1.79% - 0s 0 0 12556.7466 0 47 12784.0000 12556.7466 1.78% - 0s 0 0 12556.8407 0 55 12784.0000 12556.8407 1.78% - 0s 0 0 12557.2771 0 52 12784.0000 12557.2771 1.77% - 0s 0 0 12557.3681 0 60 12784.0000 12557.3681 1.77% - 0s 0 0 12557.4193 0 59 12784.0000 12557.4193 1.77% - 0s 0 0 12557.7011 0 61 12784.0000 12557.7011 1.77% - 0s 0 0 12558.6242 0 55 12784.0000 12558.6242 1.76% - 0s 0 0 12558.9412 0 44 12784.0000 12558.9412 1.76% - 0s 0 0 12558.9420 0 61 12784.0000 12558.9420 1.76% - 0s 0 0 12559.0390 0 64 12784.0000 12559.0390 1.76% - 0s 0 0 12559.1235 0 63 12784.0000 12559.1235 1.76% - 0s H 0 0 12776.000000 12559.1235 1.70% - 0s 0 2 12559.1600 0 63 12776.0000 12559.1600 1.70% - 0s * 30 15 27 12775.000000 12577.6667 1.54% 9.6 0s * 134 62 10 12767.000000 12642.0000 0.98% 5.9 0s * 369 38 5 12766.000000 12715.8333 0.39% 5.8 1s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 1 Explored 440 nodes (2742 simplex iterations) in 1.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276600000000e+04, best bound 1.276500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 322 rows, 1128 columns and 76646 nonzeros Presolve time: 0.04s Presolved: 322 rows, 1128 columns, 76646 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12855.000000 12519.2500 2.61% - 0s 0 0 12546.8636 0 43 12855.0000 12546.8636 2.40% - 0s 0 0 12546.8636 0 36 12855.0000 12546.8636 2.40% - 0s 0 0 12546.8636 0 43 12855.0000 12546.8636 2.40% - 0s 0 0 12548.5000 0 10 12855.0000 12548.5000 2.38% - 0s 0 0 12548.7500 0 18 12855.0000 12548.7500 2.38% - 0s 0 0 12549.5972 0 46 12855.0000 12549.5972 2.38% - 0s 0 0 12550.3203 0 51 12855.0000 12550.3203 2.37% - 0s H 0 0 12837.000000 12550.3203 2.23% - 0s 0 0 12551.5073 0 59 12837.0000 12551.5073 2.22% - 0s 0 0 12553.0000 0 54 12837.0000 12553.0000 2.21% - 0s 0 0 12553.1220 0 54 12837.0000 12553.1220 2.21% - 0s 0 2 12553.3333 0 54 12837.0000 12553.3333 2.21% - 0s H 27 18 12775.000000 12579.4453 1.53% 7.7 0s * 145 50 13 12771.000000 12618.3333 1.20% 6.6 0s * 212 49 12 12767.000000 12648.0000 0.93% 6.6 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 488 nodes (3123 simplex iterations) in 1.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276700000000e+04, best bound 1.276700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 36), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 323 rows, 1128 columns and 76922 nonzeros Presolve time: 0.04s Presolved: 323 rows, 1128 columns, 76922 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12873.000000 12519.2500 2.75% - 0s 0 0 12546.8636 0 43 12873.0000 12546.8636 2.53% - 0s 0 0 12546.8636 0 36 12873.0000 12546.8636 2.53% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7778 0 18 12826.0000 12548.7778 2.16% - 0s 0 0 12549.4688 0 38 12826.0000 12549.4688 2.16% - 0s 0 0 12549.7031 0 46 12826.0000 12549.7031 2.15% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.4847 0 58 12826.0000 12551.4847 2.14% - 0s 0 0 12553.1220 0 54 12826.0000 12553.1220 2.13% - 0s 0 2 12553.6716 0 54 12826.0000 12553.6716 2.12% - 0s * 31 15 30 12779.000000 12576.6000 1.58% 6.1 0s * 46 20 16 12768.000000 12577.8571 1.49% 5.8 0s * 279 43 8 12767.000000 12669.1818 0.77% 5.6 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 460 nodes (2723 simplex iterations) in 1.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276700000000e+04, best bound 1.276700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46), (38, 40)] Optimize a model with 324 rows, 1128 columns and 77247 nonzeros Presolve time: 0.04s Presolved: 324 rows, 1128 columns, 77247 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12946.000000 12519.2500 3.30% - 0s 0 0 12546.8636 0 43 12946.0000 12546.8636 3.08% - 0s 0 0 12546.8636 0 36 12946.0000 12546.8636 3.08% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 2 12562.0000 0 43 12826.0000 12562.0000 2.06% - 0s H 14 10 12771.000000 12563.8802 1.62% 0.0 1s * 75 22 19 12770.000000 12591.5556 1.40% 9.6 1s * 233 50 19 12769.000000 12667.7500 0.79% 6.6 1s * 369 19 17 12768.000000 12725.0000 0.34% 5.9 1s Cutting planes: Gomory: 8 Zero half: 1 Mod-K: 1 Explored 412 nodes (2545 simplex iterations) in 1.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276800000000e+04, best bound 1.276800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 325 rows, 1128 columns and 77547 nonzeros Presolve time: 0.04s Presolved: 325 rows, 1128 columns, 77547 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12806.000000 12519.2500 2.24% - 0s 0 0 12546.8636 0 43 12806.0000 12546.8636 2.02% - 0s 0 0 12546.8636 0 36 12806.0000 12546.8636 2.02% - 0s 0 0 12548.5000 0 10 12806.0000 12548.5000 2.01% - 0s 0 0 12548.7778 0 18 12806.0000 12548.7778 2.01% - 0s 0 0 12550.1818 0 34 12806.0000 12550.1818 2.00% - 0s 0 0 12550.3516 0 44 12806.0000 12550.3516 2.00% - 0s 0 0 12551.1163 0 56 12806.0000 12551.1163 1.99% - 0s 0 0 12552.5357 0 57 12806.0000 12552.5357 1.98% - 0s 0 0 12553.0858 0 49 12806.0000 12553.0858 1.97% - 0s 0 0 12553.9234 0 57 12806.0000 12553.9234 1.97% - 0s 0 0 12554.0254 0 65 12806.0000 12554.0254 1.97% - 0s 0 0 12554.8247 0 53 12806.0000 12554.8247 1.96% - 0s 0 0 12555.1404 0 54 12806.0000 12555.1404 1.96% - 0s 0 0 12555.4636 0 60 12806.0000 12555.4636 1.96% - 0s 0 0 12556.5318 0 57 12806.0000 12556.5318 1.95% - 0s 0 0 12557.0390 0 59 12806.0000 12557.0390 1.94% - 0s 0 0 12558.4161 0 47 12806.0000 12558.4161 1.93% - 0s 0 0 12558.4871 0 50 12806.0000 12558.4871 1.93% - 0s H 0 0 12805.000000 12558.4871 1.93% - 0s 0 2 12558.6941 0 50 12805.0000 12558.6941 1.92% - 0s * 36 17 22 12785.000000 12585.4286 1.56% 7.5 0s * 44 21 10 12784.000000 12587.5714 1.54% 7.9 0s * 45 20 11 12779.000000 12587.5714 1.50% 7.9 0s * 83 39 20 12769.000000 12592.0000 1.39% 7.2 0s * 432 57 19 12768.000000 12707.2500 0.48% 6.1 1s Cutting planes: Gomory: 3 Zero half: 8 Explored 556 nodes (3531 simplex iterations) in 1.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276800000000e+04, best bound 1.276800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 326 rows, 1128 columns and 77778 nonzeros Presolve time: 0.04s Presolved: 326 rows, 1128 columns, 77778 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12924.000000 12519.2500 3.13% - 0s 0 0 12546.8636 0 43 12924.0000 12546.8636 2.92% - 0s 0 0 12546.8636 0 36 12924.0000 12546.8636 2.92% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 2 12562.0000 0 43 12826.0000 12562.0000 2.06% - 0s * 40 18 24 12771.000000 12583.9859 1.46% 12.9 1s * 63 17 26 12769.000000 12585.5082 1.44% 10.6 1s Cutting planes: Gomory: 11 Zero half: 2 Mod-K: 2 Explored 425 nodes (2776 simplex iterations) in 1.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276900000000e+04, best bound 1.276900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 327 rows, 1128 columns and 78054 nonzeros Presolve time: 0.04s Presolved: 327 rows, 1128 columns, 78054 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12837.000000 12519.2500 2.48% - 0s 0 0 12546.8636 0 43 12837.0000 12546.8636 2.26% - 0s 0 0 12546.8636 0 36 12837.0000 12546.8636 2.26% - 0s 0 0 12546.8636 0 43 12837.0000 12546.8636 2.26% - 0s 0 0 12548.5000 0 10 12837.0000 12548.5000 2.25% - 0s 0 0 12548.7500 0 18 12837.0000 12548.7500 2.25% - 0s 0 0 12549.5125 0 46 12837.0000 12549.5125 2.24% - 0s 0 0 12550.3203 0 51 12837.0000 12550.3203 2.23% - 0s 0 0 12551.5073 0 59 12837.0000 12551.5073 2.22% - 0s 0 0 12553.0000 0 54 12837.0000 12553.0000 2.21% - 0s 0 0 12553.5000 0 52 12837.0000 12553.5000 2.21% - 0s 0 0 12553.5526 0 50 12837.0000 12553.5526 2.21% - 0s 0 0 12553.6294 0 58 12837.0000 12553.6294 2.21% - 0s 0 0 12553.9679 0 50 12837.0000 12553.9679 2.20% - 0s 0 0 12554.1062 0 60 12837.0000 12554.1062 2.20% - 0s 0 0 12554.4421 0 54 12837.0000 12554.4421 2.20% - 0s 0 0 12554.5603 0 54 12837.0000 12554.5603 2.20% - 0s H 0 0 12826.000000 12554.5603 2.12% - 0s 0 2 12554.6161 0 54 12826.0000 12554.6161 2.12% - 0s H 27 14 12784.000000 12574.7867 1.64% 6.7 0s * 48 17 46 12779.000000 12574.7867 1.60% 5.3 0s * 57 17 9 12778.000000 12583.5000 1.52% 6.0 0s * 101 35 18 12775.000000 12599.3333 1.38% 6.0 0s * 145 50 16 12770.000000 12612.3333 1.23% 5.7 0s * 458 14 6 12769.000000 12731.8000 0.29% 5.8 1s Cutting planes: Gomory: 2 Zero half: 7 Explored 479 nodes (3068 simplex iterations) in 1.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.276900000000e+04, best bound 1.276800000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 328 rows, 1128 columns and 78330 nonzeros Presolve time: 0.04s Presolved: 328 rows, 1128 columns, 78330 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12881.000000 12519.2500 2.81% - 0s 0 0 12546.8636 0 43 12881.0000 12546.8636 2.59% - 0s 0 0 12546.8636 0 36 12881.0000 12546.8636 2.59% - 0s H 0 0 12834.000000 12546.8636 2.24% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7778 0 18 12826.0000 12548.7778 2.16% - 0s 0 0 12549.2646 0 46 12826.0000 12549.2646 2.16% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.8021 0 58 12826.0000 12551.8021 2.14% - 0s 0 0 12552.8382 0 55 12826.0000 12552.8382 2.13% - 0s 0 0 12553.3347 0 54 12826.0000 12553.3347 2.13% - 0s 0 0 12553.4900 0 62 12826.0000 12553.4900 2.12% - 0s 0 0 12554.7204 0 44 12826.0000 12554.7204 2.12% - 0s 0 0 12554.7512 0 46 12826.0000 12554.7512 2.11% - 0s 0 0 12554.7978 0 54 12826.0000 12554.7978 2.11% - 0s 0 2 12554.8792 0 54 12826.0000 12554.8792 2.11% - 0s * 30 15 29 12779.000000 12578.9444 1.57% 7.4 0s * 48 25 17 12775.000000 12579.6667 1.53% 7.6 0s * 101 46 22 12773.000000 12616.3333 1.23% 6.8 0s * 148 54 19 12770.000000 12638.0000 1.03% 6.1 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 381 nodes (2499 simplex iterations) in 1.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277000000000e+04, best bound 1.276900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 329 rows, 1128 columns and 78606 nonzeros Presolve time: 0.04s Presolved: 329 rows, 1128 columns, 78606 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12901.000000 12519.2500 2.96% - 0s 0 0 12546.8636 0 43 12901.0000 12546.8636 2.75% - 0s 0 0 12546.8636 0 36 12901.0000 12546.8636 2.75% - 0s 0 0 12548.5000 0 10 12901.0000 12548.5000 2.73% - 0s 0 0 12555.2941 0 41 12901.0000 12555.2941 2.68% - 0s 0 0 12555.4927 0 49 12901.0000 12555.4927 2.68% - 0s H 0 0 12822.000000 12555.4927 2.08% - 0s 0 0 12555.5349 0 51 12822.0000 12555.5349 2.08% - 0s H 0 0 12821.000000 12555.5349 2.07% - 0s 0 2 12560.0000 0 51 12821.0000 12560.0000 2.04% - 0s H 24 16 12771.000000 12572.3242 1.56% 0.0 1s * 101 30 24 12770.000000 12631.3000 1.09% 10.5 2s Cutting planes: Gomory: 10 Zero half: 9 Mod-K: 1 Explored 446 nodes (3067 simplex iterations) in 2.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277000000000e+04, best bound 1.276900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 330 rows, 1128 columns and 78859 nonzeros Presolve time: 0.04s Presolved: 330 rows, 1128 columns, 78859 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12876.000000 12519.2500 2.77% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 36 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12548.5000 0 10 12876.0000 12548.5000 2.54% - 0s 0 0 12548.7778 0 18 12876.0000 12548.7778 2.54% - 0s 0 0 12549.2343 0 46 12876.0000 12549.2343 2.54% - 0s H 0 0 12837.000000 12549.2343 2.24% - 0s 0 0 12550.3203 0 51 12837.0000 12550.3203 2.23% - 0s 0 0 12551.5073 0 59 12837.0000 12551.5073 2.22% - 0s 0 0 12553.0000 0 54 12837.0000 12553.0000 2.21% - 0s 0 0 12553.7558 0 50 12837.0000 12553.7558 2.21% - 0s 0 0 12553.8841 0 58 12837.0000 12553.8841 2.21% - 0s 0 0 12555.1121 0 52 12837.0000 12555.1121 2.20% - 0s 0 0 12555.2414 0 54 12837.0000 12555.2414 2.19% - 0s 0 0 12555.4386 0 60 12837.0000 12555.4386 2.19% - 0s 0 0 12555.5000 0 53 12837.0000 12555.5000 2.19% - 0s 0 0 12555.6119 0 63 12837.0000 12555.6119 2.19% - 0s 0 0 12555.7098 0 55 12837.0000 12555.7098 2.19% - 0s 0 0 12555.8102 0 60 12837.0000 12555.8102 2.19% - 0s 0 0 12555.9046 0 58 12837.0000 12555.9046 2.19% - 0s H 0 0 12826.000000 12555.9046 2.11% - 0s H 0 0 12801.000000 12555.9046 1.91% - 0s 0 2 12556.0503 0 58 12801.0000 12556.0503 1.91% - 0s * 89 53 20 12795.000000 12580.1000 1.68% 6.2 0s * 142 69 6 12785.000000 12620.6757 1.29% 5.4 1s * 158 73 16 12776.000000 12620.6757 1.22% 5.2 1s * 159 72 15 12771.000000 12620.6757 1.18% 5.2 1s * 265 74 9 12770.000000 12651.5000 0.93% 5.5 1s Cutting planes: Gomory: 2 Zero half: 10 Explored 492 nodes (2972 simplex iterations) in 1.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277000000000e+04, best bound 1.277000000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 331 rows, 1128 columns and 79090 nonzeros Presolve time: 0.04s Presolved: 331 rows, 1128 columns, 79090 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12810.000000 12519.2500 2.27% - 0s 0 0 12546.8636 0 43 12810.0000 12546.8636 2.05% - 0s 0 0 12546.8636 0 36 12810.0000 12546.8636 2.05% - 0s 0 0 12548.5000 0 10 12810.0000 12548.5000 2.04% - 0s 0 0 12548.7500 0 18 12810.0000 12548.7500 2.04% - 0s 0 0 12549.0827 0 47 12810.0000 12549.0827 2.04% - 0s 0 0 12550.6498 0 46 12810.0000 12550.6498 2.02% - 0s 0 0 12550.7681 0 54 12810.0000 12550.7681 2.02% - 0s 0 0 12551.7064 0 45 12810.0000 12551.7064 2.02% - 0s 0 0 12551.8523 0 53 12810.0000 12551.8523 2.02% - 0s 0 0 12551.8860 0 57 12810.0000 12551.8860 2.01% - 0s 0 0 12552.3600 0 38 12810.0000 12552.3600 2.01% - 0s 0 0 12553.1326 0 61 12810.0000 12553.1326 2.01% - 0s 0 0 12553.7458 0 56 12810.0000 12553.7458 2.00% - 0s 0 0 12554.2103 0 58 12810.0000 12554.2103 2.00% - 0s 0 0 12554.3287 0 61 12810.0000 12554.3287 2.00% - 0s H 0 0 12774.000000 12554.3287 1.72% - 0s 0 2 12556.0806 0 61 12774.0000 12556.0806 1.71% - 0s * 80 42 13 12771.000000 12611.5556 1.25% 7.5 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 464 nodes (2822 simplex iterations) in 1.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277100000000e+04, best bound 1.277100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (33, 40), (34, 41)] Optimize a model with 332 rows, 1128 columns and 79366 nonzeros Presolve time: 0.04s Presolved: 332 rows, 1128 columns, 79366 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12886.000000 12519.2500 2.85% - 0s 0 0 12546.8636 0 43 12886.0000 12546.8636 2.63% - 0s 0 0 12546.8636 0 36 12886.0000 12546.8636 2.63% - 0s H 0 0 12801.000000 12546.8636 1.99% - 0s 0 0 12546.8636 0 43 12801.0000 12546.8636 1.99% - 0s 0 0 12547.0263 0 46 12801.0000 12547.0263 1.98% - 0s 0 2 12562.0000 0 46 12801.0000 12562.0000 1.87% - 0s * 40 22 21 12792.000000 12583.3796 1.63% 11.5 1s * 48 18 28 12779.000000 12583.3796 1.53% 10.3 1s * 82 24 20 12775.000000 12598.6667 1.38% 9.7 1s * 156 34 18 12773.000000 12650.2857 0.96% 7.8 1s * 207 42 18 12771.000000 12669.0000 0.80% 7.1 1s Cutting planes: Gomory: 6 Zero half: 5 Explored 410 nodes (2676 simplex iterations) in 1.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277100000000e+04, best bound 1.277100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 333 rows, 1128 columns and 79619 nonzeros Presolve time: 0.04s Presolved: 333 rows, 1128 columns, 79619 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12839.000000 12519.2500 2.49% - 0s 0 0 12546.8636 0 43 12839.0000 12546.8636 2.28% - 0s 0 0 12546.8636 0 36 12839.0000 12546.8636 2.28% - 0s 0 0 12546.8636 0 43 12839.0000 12546.8636 2.28% - 0s 0 0 12548.5000 0 10 12839.0000 12548.5000 2.26% - 0s 0 0 12548.7500 0 18 12839.0000 12548.7500 2.26% - 0s H 0 0 12837.000000 12548.7500 2.25% - 0s 0 0 12549.5125 0 46 12837.0000 12549.5125 2.24% - 0s 0 0 12550.3203 0 51 12837.0000 12550.3203 2.23% - 0s 0 0 12551.5073 0 59 12837.0000 12551.5073 2.22% - 0s 0 0 12553.1220 0 54 12837.0000 12553.1220 2.21% - 0s 0 2 12553.7679 0 54 12837.0000 12553.7679 2.21% - 0s H 27 18 12775.000000 12579.4769 1.53% 7.9 0s * 133 40 13 12771.000000 12611.5556 1.25% 7.4 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 492 nodes (3163 simplex iterations) in 1.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277100000000e+04, best bound 1.277100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 13), (13, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 334 rows, 1128 columns and 79895 nonzeros Presolve time: 0.04s Presolved: 334 rows, 1128 columns, 79895 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start 0 0 12546.8636 0 43 47372.0000 12546.8636 73.5% - 0s 0 0 12548.5000 0 10 47372.0000 12548.5000 73.5% - 0s 0 0 12548.7500 0 18 47372.0000 12548.7500 73.5% - 0s 0 0 12549.5526 0 46 47372.0000 12549.5526 73.5% - 0s 0 0 12550.3203 0 51 47372.0000 12550.3203 73.5% - 0s 0 0 12551.6727 0 58 47372.0000 12551.6727 73.5% - 0s 0 0 12553.1885 0 53 47372.0000 12553.1885 73.5% - 0s 0 0 12553.7611 0 53 47372.0000 12553.7611 73.5% - 0s H 0 0 13307.000000 12553.7611 5.66% - 0s 0 0 12553.7611 0 36 13307.0000 12553.7611 5.66% - 0s 0 0 12553.7611 0 43 13307.0000 12553.7611 5.66% - 0s 0 0 12553.7611 0 10 13307.0000 12553.7611 5.66% - 0s 0 0 12553.7611 0 53 13307.0000 12553.7611 5.66% - 0s H 0 0 12826.000000 12553.7611 2.12% - 1s 0 2 12553.7885 0 53 12826.0000 12553.7885 2.12% - 1s H 27 22 12782.000000 12568.9825 1.67% 8.3 1s * 46 25 14 12778.000000 12577.5385 1.57% 7.5 1s * 67 31 18 12775.000000 12583.6667 1.50% 6.4 1s * 170 48 12 12772.000000 12638.3750 1.05% 6.8 1s * 309 46 24 12771.000000 12682.5000 0.69% 6.3 1s Cutting planes: Gomory: 3 Zero half: 5 Explored 422 nodes (2880 simplex iterations) in 1.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277100000000e+04, best bound 1.277100000000e+04, gap 0.0% adding cut for [(33, 46), (2, 4), (2, 38), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 335 rows, 1128 columns and 80105 nonzeros Presolve time: 0.04s Presolved: 335 rows, 1128 columns, 80105 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12875.000000 12519.2500 2.76% - 0s 0 0 12546.8636 0 43 12875.0000 12546.8636 2.55% - 0s 0 0 12546.8636 0 36 12875.0000 12546.8636 2.55% - 0s 0 0 12546.8636 0 43 12875.0000 12546.8636 2.55% - 0s 0 0 12548.5000 0 10 12875.0000 12548.5000 2.54% - 0s 0 0 12548.7778 0 18 12875.0000 12548.7778 2.53% - 0s 0 0 12549.2778 0 46 12875.0000 12549.2778 2.53% - 0s 0 0 12550.3254 0 52 12875.0000 12550.3254 2.52% - 0s 0 0 12551.6098 0 58 12875.0000 12551.6098 2.51% - 0s 0 0 12553.0239 0 59 12875.0000 12553.0239 2.50% - 0s 0 0 12553.0627 0 60 12875.0000 12553.0627 2.50% - 0s 0 0 12554.2500 0 44 12875.0000 12554.2500 2.49% - 0s H 0 0 12826.000000 12554.2500 2.12% - 0s 0 0 12554.3553 0 52 12826.0000 12554.3553 2.12% - 0s 0 0 12554.8382 0 53 12826.0000 12554.8382 2.11% - 0s 0 0 12555.6667 0 47 12826.0000 12555.6667 2.11% - 0s 0 0 12555.6667 0 53 12826.0000 12555.6667 2.11% - 0s 0 0 12556.2667 0 53 12826.0000 12556.2667 2.10% - 0s 0 0 12556.3269 0 61 12826.0000 12556.3269 2.10% - 0s 0 0 12556.5806 0 57 12826.0000 12556.5806 2.10% - 0s 0 2 12556.8706 0 57 12826.0000 12556.8706 2.10% - 0s H 27 17 12821.000000 12581.3333 1.87% 6.5 1s * 74 37 28 12807.000000 12582.3043 1.75% 5.7 1s * 75 34 28 12790.000000 12582.3043 1.62% 5.7 1s * 81 34 9 12778.000000 12583.5000 1.52% 6.1 1s H 109 44 12775.000000 12610.8382 1.29% 6.2 1s * 277 75 12 12774.000000 12667.7500 0.83% 5.8 1s * 326 67 14 12773.000000 12676.0000 0.76% 5.9 1s * 425 31 7 12772.000000 12725.0000 0.37% 5.9 1s Cutting planes: Gomory: 2 Zero half: 10 Mod-K: 1 Explored 473 nodes (3082 simplex iterations) in 1.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277200000000e+04, best bound 1.277200000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 336 rows, 1128 columns and 80336 nonzeros Presolve time: 0.04s Presolved: 336 rows, 1128 columns, 80336 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12876.000000 12519.2500 2.77% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 36 12876.0000 12546.8636 2.56% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7778 0 18 12826.0000 12548.7778 2.16% - 0s 0 0 12549.4687 0 38 12826.0000 12549.4687 2.16% - 0s 0 0 12549.9231 0 46 12826.0000 12549.9231 2.15% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.8713 0 59 12826.0000 12551.8713 2.14% - 0s 0 0 12553.0260 0 50 12826.0000 12553.0260 2.13% - 0s 0 0 12553.1645 0 58 12826.0000 12553.1645 2.13% - 0s 0 0 12554.0982 0 46 12826.0000 12554.0982 2.12% - 0s 0 0 12554.1948 0 59 12826.0000 12554.1948 2.12% - 0s 0 0 12554.9744 0 46 12826.0000 12554.9744 2.11% - 0s 0 0 12555.0244 0 54 12826.0000 12555.0244 2.11% - 0s 0 0 12555.0986 0 54 12826.0000 12555.0986 2.11% - 0s 0 0 12555.1412 0 58 12826.0000 12555.1412 2.11% - 0s 0 0 12555.4125 0 54 12826.0000 12555.4125 2.11% - 0s 0 0 12555.4543 0 62 12826.0000 12555.4543 2.11% - 0s 0 0 12555.5857 0 55 12826.0000 12555.5857 2.11% - 0s 0 0 12555.7343 0 59 12826.0000 12555.7343 2.11% - 0s 0 0 12555.7685 0 64 12826.0000 12555.7685 2.11% - 0s H 0 0 12782.000000 12555.7685 1.77% - 0s 0 2 12555.9038 0 64 12782.0000 12555.9038 1.77% - 0s * 19 9 18 12779.000000 12566.3333 1.66% 9.6 1s H 81 28 12775.000000 12624.5000 1.18% 6.4 1s * 156 50 15 12773.000000 12636.7273 1.07% 5.7 1s Cutting planes: Gomory: 3 Zero half: 10 Explored 535 nodes (3140 simplex iterations) in 1.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277300000000e+04, best bound 1.277300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 337 rows, 1128 columns and 80661 nonzeros Presolve time: 0.04s Presolved: 337 rows, 1128 columns, 80661 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12916.000000 12519.2500 3.07% - 0s 0 0 12546.8636 0 43 12916.0000 12546.8636 2.86% - 0s 0 0 12546.8636 0 36 12916.0000 12546.8636 2.86% - 0s 0 0 12546.8636 0 43 12916.0000 12546.8636 2.86% - 0s 0 0 12548.5000 0 10 12916.0000 12548.5000 2.85% - 0s 0 0 12548.7778 0 18 12916.0000 12548.7778 2.84% - 0s 0 0 12549.4687 0 38 12916.0000 12549.4687 2.84% - 0s 0 0 12549.7031 0 46 12916.0000 12549.7031 2.84% - 0s 0 0 12550.9348 0 43 12916.0000 12550.9348 2.83% - 0s H 0 0 12837.000000 12550.9348 2.23% - 0s 0 0 12551.0823 0 51 12837.0000 12551.0823 2.23% - 0s 0 2 12562.0000 0 51 12837.0000 12562.0000 2.14% - 0s H 15 11 12780.000000 12583.9097 1.53% 0.0 1s H 74 20 12775.000000 12636.0000 1.09% 11.8 2s * 348 68 24 12774.000000 12689.3333 0.66% 6.3 2s * 409 52 30 12773.000000 12717.6667 0.43% 6.1 2s Cutting planes: Gomory: 10 Zero half: 5 Explored 507 nodes (3117 simplex iterations) in 2.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277300000000e+04, best bound 1.277300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 23), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 338 rows, 1128 columns and 80937 nonzeros Presolve time: 0.04s Presolved: 338 rows, 1128 columns, 80937 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12791.000000 12519.2500 2.12% - 0s 0 0 12546.8636 0 43 12791.0000 12546.8636 1.91% - 0s 0 0 12546.8636 0 36 12791.0000 12546.8636 1.91% - 0s 0 0 12546.8636 0 43 12791.0000 12546.8636 1.91% - 0s 0 0 12548.5000 0 10 12791.0000 12548.5000 1.90% - 0s 0 0 12548.7778 0 18 12791.0000 12548.7778 1.89% - 0s 0 0 12549.3611 0 38 12791.0000 12549.3611 1.89% - 0s 0 0 12549.5972 0 46 12791.0000 12549.5972 1.89% - 0s 0 0 12550.3203 0 51 12791.0000 12550.3203 1.88% - 0s 0 0 12551.8343 0 59 12791.0000 12551.8343 1.87% - 0s 0 0 12554.0140 0 50 12791.0000 12554.0140 1.85% - 0s 0 0 12554.1915 0 55 12791.0000 12554.1915 1.85% - 0s 0 0 12554.6667 0 35 12791.0000 12554.6667 1.85% - 0s 0 0 12554.7605 0 60 12791.0000 12554.7605 1.85% - 0s 0 0 12555.6174 0 48 12791.0000 12555.6174 1.84% - 0s 0 0 12555.6754 0 49 12791.0000 12555.6754 1.84% - 0s 0 0 12555.7394 0 54 12791.0000 12555.7394 1.84% - 0s 0 0 12555.7406 0 55 12791.0000 12555.7406 1.84% - 0s 0 0 12556.1964 0 56 12791.0000 12556.1964 1.84% - 0s 0 0 12556.6171 0 52 12791.0000 12556.6171 1.83% - 0s 0 0 12556.6230 0 60 12791.0000 12556.6230 1.83% - 0s 0 2 12557.1997 0 60 12791.0000 12557.1997 1.83% - 0s * 28 14 26 12779.000000 12570.0000 1.64% 6.9 0s * 130 54 12 12775.000000 12626.0000 1.17% 6.1 1s * 200 61 11 12773.000000 12642.0000 1.03% 5.9 1s Cutting planes: Gomory: 3 Zero half: 7 Mod-K: 1 Explored 481 nodes (3165 simplex iterations) in 1.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277300000000e+04, best bound 1.277200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 339 rows, 1128 columns and 81213 nonzeros Presolve time: 0.04s Presolved: 339 rows, 1128 columns, 81213 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12839.000000 12519.2500 2.49% - 0s 0 0 12546.8636 0 43 12839.0000 12546.8636 2.28% - 0s 0 0 12546.8636 0 36 12839.0000 12546.8636 2.28% - 0s 0 0 12546.8636 0 43 12839.0000 12546.8636 2.28% - 0s 0 0 12548.5000 0 10 12839.0000 12548.5000 2.26% - 0s 0 0 12548.7500 0 18 12839.0000 12548.7500 2.26% - 0s 0 0 12549.7031 0 46 12839.0000 12549.7031 2.25% - 0s 0 0 12550.3203 0 51 12839.0000 12550.3203 2.25% - 0s H 0 0 12837.000000 12550.3203 2.23% - 0s 0 0 12551.3593 0 58 12837.0000 12551.3593 2.23% - 0s 0 0 12553.0000 0 54 12837.0000 12553.0000 2.21% - 0s 0 0 12553.4000 0 51 12837.0000 12553.4000 2.21% - 0s 0 0 12553.5091 0 49 12837.0000 12553.5091 2.21% - 0s 0 0 12553.5957 0 59 12837.0000 12553.5957 2.21% - 0s 0 0 12554.6143 0 46 12837.0000 12554.6143 2.20% - 0s 0 0 12554.6970 0 47 12837.0000 12554.6970 2.20% - 0s 0 0 12554.8061 0 55 12837.0000 12554.8061 2.20% - 0s 0 2 12555.2329 0 55 12837.0000 12555.2329 2.19% - 0s * 53 18 51 12801.000000 12574.7867 1.77% 5.1 0s * 59 18 8 12778.000000 12575.3333 1.59% 5.7 0s * 226 54 15 12775.000000 12641.0000 1.05% 5.9 1s * 401 57 17 12774.000000 12684.2500 0.70% 5.8 1s Cutting planes: Gomory: 3 Zero half: 8 Explored 579 nodes (3372 simplex iterations) in 1.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277400000000e+04, best bound 1.277400000000e+04, gap 0.0% adding cut for [(33, 46), (2, 4), (2, 10), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 340 rows, 1128 columns and 81423 nonzeros Presolve time: 0.04s Presolved: 340 rows, 1128 columns, 81423 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12780.000000 12519.2500 2.04% - 0s 0 0 12546.8636 0 43 12780.0000 12546.8636 1.82% - 0s 0 0 12546.8636 0 36 12780.0000 12546.8636 1.82% - 0s 0 0 12548.5000 0 10 12780.0000 12548.5000 1.81% - 0s 0 0 12555.2941 0 41 12780.0000 12555.2941 1.76% - 0s 0 0 12555.4316 0 49 12780.0000 12555.4316 1.76% - 0s 0 0 12555.5528 0 43 12780.0000 12555.5528 1.76% - 0s 0 0 12555.7213 0 51 12780.0000 12555.7213 1.75% - 0s 0 0 12556.7466 0 47 12780.0000 12556.7466 1.75% - 0s 0 0 12556.8638 0 55 12780.0000 12556.8638 1.75% - 0s 0 0 12557.3147 0 60 12780.0000 12557.3147 1.74% - 0s 0 0 12557.4607 0 56 12780.0000 12557.4607 1.74% - 0s 0 0 12557.6753 0 63 12780.0000 12557.6753 1.74% - 0s 0 0 12558.9412 0 44 12780.0000 12558.9412 1.73% - 0s 0 0 12558.9990 0 53 12780.0000 12558.9990 1.73% - 0s 0 0 12559.0075 0 59 12780.0000 12559.0075 1.73% - 0s 0 0 12559.0115 0 59 12780.0000 12559.0115 1.73% - 0s 0 0 12559.2422 0 65 12780.0000 12559.2422 1.73% - 0s 0 0 12559.2916 0 53 12780.0000 12559.2916 1.73% - 0s 0 0 12559.5099 0 60 12780.0000 12559.5099 1.73% - 0s 0 0 12559.6063 0 59 12780.0000 12559.6063 1.72% - 0s 0 2 12560.0348 0 59 12780.0000 12560.0348 1.72% - 0s * 67 35 19 12778.000000 12615.3333 1.27% 7.2 1s * 278 72 12 12777.000000 12682.0000 0.74% 5.8 1s H 297 67 12776.000000 12685.4000 0.71% 5.7 1s * 301 66 11 12775.000000 12685.4000 0.70% 5.7 1s * 393 49 8 12774.000000 12705.0000 0.54% 5.6 1s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 2 Explored 478 nodes (2899 simplex iterations) in 1.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277400000000e+04, best bound 1.277400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 341 rows, 1128 columns and 81699 nonzeros Presolve time: 0.04s Presolved: 341 rows, 1128 columns, 81699 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12814.000000 12519.2500 2.30% - 0s 0 0 12546.8636 0 43 12814.0000 12546.8636 2.08% - 0s 0 0 12546.8636 0 36 12814.0000 12546.8636 2.08% - 0s 0 0 12546.8636 0 43 12814.0000 12546.8636 2.08% - 0s 0 0 12548.5000 0 10 12814.0000 12548.5000 2.07% - 0s 0 0 12548.7500 0 18 12814.0000 12548.7500 2.07% - 0s 0 0 12549.3611 0 38 12814.0000 12549.3611 2.07% - 0s 0 0 12549.5972 0 46 12814.0000 12549.5972 2.06% - 0s 0 0 12550.3203 0 51 12814.0000 12550.3203 2.06% - 0s 0 0 12551.5359 0 57 12814.0000 12551.5359 2.05% - 0s 0 0 12552.3530 0 61 12814.0000 12552.3530 2.04% - 0s 0 0 12553.6143 0 47 12814.0000 12553.6143 2.03% - 0s 0 0 12553.7444 0 55 12814.0000 12553.7444 2.03% - 0s 0 0 12554.2851 0 48 12814.0000 12554.2851 2.03% - 0s 0 0 12554.4238 0 53 12814.0000 12554.4238 2.03% - 0s 0 0 12555.0771 0 57 12814.0000 12555.0771 2.02% - 0s 0 0 12555.1132 0 62 12814.0000 12555.1132 2.02% - 0s 0 0 12555.2277 0 62 12814.0000 12555.2277 2.02% - 0s 0 0 12555.3791 0 57 12814.0000 12555.3791 2.02% - 0s 0 2 12555.6659 0 57 12814.0000 12555.6659 2.02% - 0s * 44 20 40 12779.000000 12578.2143 1.57% 5.9 0s * 70 28 19 12775.000000 12585.2821 1.49% 5.5 1s Cutting planes: Gomory: 3 Zero half: 12 Explored 441 nodes (3138 simplex iterations) in 1.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277500000000e+04, best bound 1.277500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 24), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 342 rows, 1128 columns and 81975 nonzeros Presolve time: 0.04s Presolved: 342 rows, 1128 columns, 81975 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12881.000000 12519.2500 2.81% - 0s 0 0 12546.8636 0 43 12881.0000 12546.8636 2.59% - 0s 0 0 12546.8636 0 36 12881.0000 12546.8636 2.59% - 0s 0 0 12546.8636 0 43 12881.0000 12546.8636 2.59% - 0s 0 0 12548.5000 0 10 12881.0000 12548.5000 2.58% - 0s 0 0 12548.7778 0 18 12881.0000 12548.7778 2.58% - 0s 0 0 12549.2381 0 38 12881.0000 12549.2381 2.58% - 0s 0 0 12549.4762 0 46 12881.0000 12549.4762 2.57% - 0s H 0 0 12837.000000 12549.4762 2.24% - 0s 0 0 12550.9348 0 43 12837.0000 12550.9348 2.23% - 0s 0 0 12551.0842 0 51 12837.0000 12551.0842 2.23% - 0s 0 0 12551.9018 0 59 12837.0000 12551.9018 2.22% - 0s 0 0 12552.5456 0 55 12837.0000 12552.5456 2.22% - 0s 0 0 12553.3796 0 57 12837.0000 12553.3796 2.21% - 0s 0 0 12554.1627 0 57 12837.0000 12554.1627 2.20% - 0s 0 0 12554.3553 0 63 12837.0000 12554.3553 2.20% - 0s 0 0 12554.5296 0 58 12837.0000 12554.5296 2.20% - 0s H 0 0 12826.000000 12554.5296 2.12% - 0s H 0 0 12789.000000 12554.5296 1.83% - 0s 0 2 12554.7561 0 58 12789.0000 12554.7561 1.83% - 0s * 30 14 29 12779.000000 12577.8571 1.57% 6.0 0s H 136 44 12775.000000 12628.5000 1.15% 6.3 1s Cutting planes: Gomory: 2 Zero half: 8 Explored 479 nodes (2888 simplex iterations) in 1.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277500000000e+04, best bound 1.277500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (12, 13), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 343 rows, 1128 columns and 82206 nonzeros Presolve time: 0.04s Presolved: 343 rows, 1128 columns, 82206 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12833.000000 12519.2500 2.44% - 0s 0 0 12546.8636 0 43 12833.0000 12546.8636 2.23% - 0s 0 0 12546.8636 0 36 12833.0000 12546.8636 2.23% - 0s 0 0 12546.8636 0 43 12833.0000 12546.8636 2.23% - 0s 0 0 12548.5000 0 10 12833.0000 12548.5000 2.22% - 0s 0 0 12548.7500 0 18 12833.0000 12548.7500 2.21% - 0s 0 0 12549.4432 0 46 12833.0000 12549.4432 2.21% - 0s 0 0 12550.3203 0 51 12833.0000 12550.3203 2.20% - 0s 0 0 12551.5689 0 62 12833.0000 12551.5689 2.19% - 0s 0 0 12553.0491 0 51 12833.0000 12553.0491 2.18% - 0s 0 0 12553.4487 0 52 12833.0000 12553.4487 2.18% - 0s 0 0 12553.5764 0 58 12833.0000 12553.5764 2.18% - 0s 0 0 12553.8349 0 58 12833.0000 12553.8349 2.18% - 0s 0 0 12554.5062 0 48 12833.0000 12554.5062 2.17% - 0s 0 0 12554.5514 0 61 12833.0000 12554.5514 2.17% - 0s 0 0 12554.7989 0 53 12833.0000 12554.7989 2.17% - 0s 0 0 12555.4385 0 54 12833.0000 12555.4385 2.16% - 0s 0 0 12555.4456 0 62 12833.0000 12555.4456 2.16% - 0s H 0 0 12780.000000 12555.4456 1.76% - 0s 0 2 12556.0559 0 62 12780.0000 12556.0559 1.75% - 0s * 24 11 19 12779.000000 12571.1169 1.63% 7.0 0s * 156 54 13 12778.000000 12617.0000 1.26% 6.5 1s * 167 55 13 12775.000000 12619.0000 1.22% 6.5 1s Cutting planes: Gomory: 3 Zero half: 10 Mod-K: 1 Explored 534 nodes (3415 simplex iterations) in 1.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277500000000e+04, best bound 1.277500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 344 rows, 1128 columns and 82459 nonzeros Presolve time: 0.04s Presolved: 344 rows, 1128 columns, 82459 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13052.000000 12519.2500 4.08% - 0s 0 0 12546.8636 0 43 13052.0000 12546.8636 3.87% - 0s 0 0 12546.8636 0 36 13052.0000 12546.8636 3.87% - 0s 0 0 12546.8636 0 43 13052.0000 12546.8636 3.87% - 0s 0 0 12547.0263 0 46 13052.0000 12547.0263 3.87% - 0s 0 0 12547.0385 0 45 13052.0000 12547.0385 3.87% - 0s 0 0 12547.5978 0 44 13052.0000 12547.5978 3.86% - 0s 0 0 12547.6809 0 52 13052.0000 12547.6809 3.86% - 0s 0 0 12548.4219 0 47 13052.0000 12548.4219 3.86% - 0s 0 0 12548.5476 0 55 13052.0000 12548.5476 3.86% - 0s 0 0 12548.9471 0 57 13052.0000 12548.9471 3.85% - 0s 0 0 12548.9755 0 61 13052.0000 12548.9755 3.85% - 0s 0 0 12549.2572 0 52 13052.0000 12549.2572 3.85% - 0s H 0 0 12801.000000 12549.2572 1.97% - 0s 0 0 12549.3771 0 57 12801.0000 12549.3771 1.97% - 0s 0 2 12563.6667 0 57 12801.0000 12563.6667 1.85% - 0s * 46 18 33 12795.000000 12590.5405 1.60% 13.3 1s H 47 15 12780.000000 12590.5405 1.48% 13.0 1s * 89 33 25 12776.000000 12613.5000 1.27% 11.2 1s * 151 44 26 12775.000000 12639.0000 1.06% 8.9 1s Cutting planes: Gomory: 11 MIR: 2 Zero half: 3 Explored 431 nodes (3016 simplex iterations) in 2.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277500000000e+04, best bound 1.277500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 345 rows, 1128 columns and 82735 nonzeros Presolve time: 0.04s Presolved: 345 rows, 1128 columns, 82735 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12968.000000 12519.2500 3.46% - 0s 0 0 12546.8636 0 43 12968.0000 12546.8636 3.25% - 0s 0 0 12546.8636 0 36 12968.0000 12546.8636 3.25% - 0s 0 0 12546.8636 0 43 12968.0000 12546.8636 3.25% - 0s 0 0 12546.9583 0 45 12968.0000 12546.9583 3.25% - 0s 0 0 12547.6203 0 40 12968.0000 12547.6203 3.24% - 0s 0 0 12547.8016 0 48 12968.0000 12547.8016 3.24% - 0s 0 0 12547.8376 0 52 12968.0000 12547.8376 3.24% - 0s 0 0 12548.0000 0 39 12968.0000 12548.0000 3.24% - 0s 0 0 12548.0839 0 47 12968.0000 12548.0839 3.24% - 0s 0 0 12548.2088 0 43 12968.0000 12548.2088 3.24% - 0s 0 0 12548.3254 0 51 12968.0000 12548.3254 3.24% - 0s 0 0 12548.4373 0 54 12968.0000 12548.4373 3.24% - 0s 0 0 12548.5000 0 10 12968.0000 12548.5000 3.23% - 0s 0 0 12548.6514 0 50 12968.0000 12548.6514 3.23% - 0s 0 0 12548.7859 0 57 12968.0000 12548.7859 3.23% - 0s 0 0 12549.1049 0 55 12968.0000 12549.1049 3.23% - 0s 0 0 12549.3468 0 58 12968.0000 12549.3468 3.23% - 0s 0 0 12549.6815 0 55 12968.0000 12549.6815 3.23% - 0s 0 0 12549.7357 0 63 12968.0000 12549.7357 3.23% - 0s 0 0 12549.9885 0 59 12968.0000 12549.9885 3.22% - 0s 0 0 12550.0128 0 63 12968.0000 12550.0128 3.22% - 0s H 0 0 12826.000000 12550.0128 2.15% - 0s H 0 0 12776.000000 12550.0128 1.77% - 0s 0 2 12550.3855 0 63 12776.0000 12550.3855 1.77% - 1s * 429 31 14 12775.000000 12722.0000 0.41% 5.2 1s Cutting planes: Gomory: 1 Zero half: 7 Mod-K: 1 Explored 471 nodes (2720 simplex iterations) in 1.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277500000000e+04, best bound 1.277500000000e+04, gap 0.0% adding cut for [(2, 17), (2, 38), (7, 28), (7, 37), (8, 19), (8, 28), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 346 rows, 1128 columns and 82988 nonzeros Presolve time: 0.05s Presolved: 346 rows, 1128 columns, 82988 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12879.000000 12519.2500 2.79% - 0s 0 0 12546.8636 0 43 12879.0000 12546.8636 2.58% - 0s 0 0 12546.8636 0 36 12879.0000 12546.8636 2.58% - 0s 0 0 12546.8636 0 43 12879.0000 12546.8636 2.58% - 0s 0 0 12548.5000 0 10 12879.0000 12548.5000 2.57% - 0s 0 0 12548.7778 0 18 12879.0000 12548.7778 2.56% - 0s 0 0 12549.2778 0 46 12879.0000 12549.2778 2.56% - 0s 0 0 12550.3203 0 51 12879.0000 12550.3203 2.55% - 0s 0 0 12551.5073 0 59 12879.0000 12551.5073 2.54% - 0s 0 0 12553.0000 0 54 12879.0000 12553.0000 2.53% - 0s 0 0 12553.1220 0 54 12879.0000 12553.1220 2.53% - 0s H 0 0 12842.000000 12553.1220 2.25% - 0s H 0 0 12837.000000 12553.1220 2.21% - 0s 0 2 12553.7679 0 54 12837.0000 12553.7679 2.21% - 0s H 27 15 12821.000000 12582.8000 1.86% 6.7 0s * 48 14 46 12779.000000 12582.8000 1.54% 5.9 0s * 91 29 8 12778.000000 12586.5000 1.50% 6.4 0s * 107 32 9 12776.000000 12606.5000 1.33% 6.7 0s Cutting planes: Gomory: 2 Zero half: 4 Explored 469 nodes (2912 simplex iterations) in 1.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277600000000e+04, best bound 1.277500000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (16, 33), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 347 rows, 1128 columns and 83264 nonzeros Presolve time: 0.04s Presolved: 347 rows, 1128 columns, 83264 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12833.000000 12519.2500 2.44% - 0s 0 0 12546.8636 0 43 12833.0000 12546.8636 2.23% - 0s 0 0 12546.8636 0 36 12833.0000 12546.8636 2.23% - 0s 0 0 12546.8636 0 43 12833.0000 12546.8636 2.23% - 0s 0 0 12548.5000 0 10 12833.0000 12548.5000 2.22% - 0s 0 0 12548.7500 0 18 12833.0000 12548.7500 2.21% - 0s 0 0 12549.4432 0 46 12833.0000 12549.4432 2.21% - 0s 0 0 12550.3203 0 51 12833.0000 12550.3203 2.20% - 0s 0 0 12551.5689 0 62 12833.0000 12551.5689 2.19% - 0s 0 0 12553.0491 0 51 12833.0000 12553.0491 2.18% - 0s 0 0 12553.4487 0 52 12833.0000 12553.4487 2.18% - 0s 0 0 12553.5764 0 58 12833.0000 12553.5764 2.18% - 0s 0 0 12553.8349 0 58 12833.0000 12553.8349 2.18% - 0s 0 0 12554.5062 0 48 12833.0000 12554.5062 2.17% - 0s 0 0 12554.5514 0 61 12833.0000 12554.5514 2.17% - 0s 0 0 12554.7989 0 53 12833.0000 12554.7989 2.17% - 0s 0 0 12555.4385 0 54 12833.0000 12555.4385 2.16% - 0s 0 0 12555.4456 0 62 12833.0000 12555.4456 2.16% - 0s H 0 0 12780.000000 12555.4456 1.76% - 0s 0 2 12556.0559 0 62 12780.0000 12556.0559 1.75% - 0s * 24 11 19 12779.000000 12571.1169 1.63% 7.0 0s * 145 56 12 12778.000000 12619.0000 1.24% 6.6 1s * 374 68 6 12776.000000 12681.0000 0.74% 6.3 1s Cutting planes: Gomory: 3 Zero half: 12 Mod-K: 1 Explored 534 nodes (3416 simplex iterations) in 1.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277600000000e+04, best bound 1.277500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 348 rows, 1128 columns and 83540 nonzeros Presolve time: 0.05s Presolved: 348 rows, 1128 columns, 83540 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12876.000000 12519.2500 2.77% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 36 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12548.5000 0 10 12876.0000 12548.5000 2.54% - 0s 0 0 12548.7778 0 18 12876.0000 12548.7778 2.54% - 0s 0 0 12549.3158 0 38 12876.0000 12549.3158 2.54% - 0s 0 0 12549.5526 0 46 12876.0000 12549.5526 2.54% - 0s 0 0 12550.3203 0 51 12876.0000 12550.3203 2.53% - 0s 0 0 12551.4982 0 59 12876.0000 12551.4982 2.52% - 0s 0 0 12553.1220 0 54 12876.0000 12553.1220 2.51% - 0s H 0 0 12837.000000 12553.1220 2.21% - 0s 0 2 12553.3675 0 54 12837.0000 12553.3675 2.21% - 0s H 27 13 12779.000000 12582.8000 1.54% 6.9 0s * 80 28 8 12778.000000 12605.1585 1.35% 7.0 0s * 428 18 14 12777.000000 12718.0000 0.46% 5.9 1s Cutting planes: Gomory: 2 Zero half: 4 Explored 463 nodes (2997 simplex iterations) in 1.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277700000000e+04, best bound 1.277700000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (13, 21), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 349 rows, 1128 columns and 83816 nonzeros Presolve time: 0.05s Presolved: 349 rows, 1128 columns, 83816 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12833.000000 12519.2500 2.44% - 0s 0 0 12546.8636 0 43 12833.0000 12546.8636 2.23% - 0s 0 0 12546.8636 0 36 12833.0000 12546.8636 2.23% - 0s 0 0 12546.8636 0 43 12833.0000 12546.8636 2.23% - 0s 0 0 12548.5000 0 10 12833.0000 12548.5000 2.22% - 0s 0 0 12548.7500 0 18 12833.0000 12548.7500 2.21% - 0s 0 0 12549.4432 0 46 12833.0000 12549.4432 2.21% - 0s 0 0 12550.3203 0 51 12833.0000 12550.3203 2.20% - 0s 0 0 12551.5689 0 62 12833.0000 12551.5689 2.19% - 0s 0 0 12553.0491 0 51 12833.0000 12553.0491 2.18% - 0s 0 0 12553.1508 0 57 12833.0000 12553.1508 2.18% - 0s 0 0 12553.1914 0 57 12833.0000 12553.1914 2.18% - 0s H 0 0 12826.000000 12553.1914 2.13% - 0s 0 2 12553.2443 0 57 12826.0000 12553.2443 2.13% - 0s * 23 14 20 12806.000000 12577.8571 1.78% 6.0 0s * 24 13 19 12785.000000 12577.8571 1.62% 5.8 0s H 27 12 12780.000000 12578.3913 1.58% 6.1 0s * 391 77 11 12778.000000 12669.5000 0.85% 5.6 1s Cutting planes: Gomory: 2 Zero half: 7 Explored 582 nodes (3411 simplex iterations) in 1.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277800000000e+04, best bound 1.277700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 350 rows, 1128 columns and 84026 nonzeros Presolve time: 0.04s Presolved: 350 rows, 1128 columns, 84026 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12846.000000 12519.2500 2.54% - 0s 0 0 12546.8636 0 43 12846.0000 12546.8636 2.33% - 0s 0 0 12546.8636 0 36 12846.0000 12546.8636 2.33% - 0s 0 0 12546.8636 0 43 12846.0000 12546.8636 2.33% - 0s 0 0 12548.5000 0 10 12846.0000 12548.5000 2.32% - 0s 0 0 12548.7500 0 18 12846.0000 12548.7500 2.31% - 0s 0 0 12549.5972 0 46 12846.0000 12549.5972 2.31% - 0s 0 0 12550.3203 0 51 12846.0000 12550.3203 2.30% - 0s H 0 0 12837.000000 12550.3203 2.23% - 0s 0 0 12551.3593 0 58 12837.0000 12551.3593 2.23% - 0s 0 0 12553.0000 0 54 12837.0000 12553.0000 2.21% - 0s 0 0 12553.4000 0 51 12837.0000 12553.4000 2.21% - 0s 0 0 12553.5491 0 49 12837.0000 12553.5491 2.21% - 0s 0 0 12553.6148 0 59 12837.0000 12553.6148 2.21% - 0s 0 0 12554.6143 0 46 12837.0000 12554.6143 2.20% - 0s 0 0 12554.6848 0 49 12837.0000 12554.6848 2.20% - 0s 0 0 12554.8286 0 54 12837.0000 12554.8286 2.20% - 0s H 0 0 12826.000000 12554.8286 2.11% - 0s 0 2 12555.5026 0 54 12826.0000 12555.5026 2.11% - 0s * 49 17 48 12779.000000 12574.5603 1.60% 5.6 0s * 204 67 17 12778.000000 12634.0000 1.13% 5.7 1s Cutting planes: Gomory: 3 Zero half: 5 Explored 557 nodes (3268 simplex iterations) in 1.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277800000000e+04, best bound 1.277800000000e+04, gap 0.0% adding cut for [(2, 10), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 351 rows, 1128 columns and 84279 nonzeros Presolve time: 0.05s Presolved: 351 rows, 1128 columns, 84279 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12784.000000 12519.2500 2.07% - 0s 0 0 12546.8636 0 43 12784.0000 12546.8636 1.85% - 0s 0 0 12546.8636 0 36 12784.0000 12546.8636 1.85% - 0s 0 0 12548.5000 0 10 12784.0000 12548.5000 1.84% - 0s 0 0 12548.7778 0 18 12784.0000 12548.7778 1.84% - 0s 0 0 12555.2941 0 41 12784.0000 12555.2941 1.79% - 0s 0 0 12555.3934 0 49 12784.0000 12555.3934 1.79% - 0s 0 0 12555.5528 0 43 12784.0000 12555.5528 1.79% - 0s 0 0 12555.6694 0 51 12784.0000 12555.6694 1.79% - 0s 0 0 12556.7466 0 47 12784.0000 12556.7466 1.78% - 0s 0 0 12556.8407 0 55 12784.0000 12556.8407 1.78% - 0s 0 0 12557.2771 0 52 12784.0000 12557.2771 1.77% - 0s 0 0 12557.3681 0 60 12784.0000 12557.3681 1.77% - 0s 0 0 12557.4193 0 59 12784.0000 12557.4193 1.77% - 0s 0 0 12557.7011 0 61 12784.0000 12557.7011 1.77% - 0s 0 0 12558.6242 0 55 12784.0000 12558.6242 1.76% - 0s 0 0 12558.8922 0 62 12784.0000 12558.8922 1.76% - 0s 0 0 12558.9412 0 44 12784.0000 12558.9412 1.76% - 0s 0 0 12558.9695 0 59 12784.0000 12558.9695 1.76% - 0s 0 0 12559.0196 0 62 12784.0000 12559.0196 1.76% - 0s 0 0 12559.0313 0 62 12784.0000 12559.0313 1.76% - 0s 0 2 12559.5000 0 62 12784.0000 12559.5000 1.76% - 0s H 27 12 12780.000000 12591.6127 1.47% 10.0 1s * 145 63 30 12779.000000 12631.5000 1.15% 6.3 1s * 485 16 14 12778.000000 12738.0000 0.31% 6.0 1s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 1 Explored 515 nodes (3326 simplex iterations) in 1.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277800000000e+04, best bound 1.277800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 16), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 352 rows, 1128 columns and 84579 nonzeros Presolve time: 0.05s Presolved: 352 rows, 1128 columns, 84579 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12818.000000 12519.2500 2.33% - 0s 0 0 12546.8636 0 43 12818.0000 12546.8636 2.12% - 0s 0 0 12546.8636 0 36 12818.0000 12546.8636 2.12% - 0s 0 0 12546.8636 0 43 12818.0000 12546.8636 2.12% - 0s 0 0 12548.5000 0 10 12818.0000 12548.5000 2.10% - 0s 0 0 12548.7778 0 18 12818.0000 12548.7778 2.10% - 0s 0 0 12549.4688 0 38 12818.0000 12549.4688 2.09% - 0s 0 0 12549.6362 0 46 12818.0000 12549.6362 2.09% - 0s 0 0 12550.2500 0 43 12818.0000 12550.2500 2.09% - 0s 0 0 12550.4014 0 51 12818.0000 12550.4014 2.09% - 0s 0 0 12551.4543 0 58 12818.0000 12551.4543 2.08% - 0s 0 0 12552.9556 0 54 12818.0000 12552.9556 2.07% - 0s 0 0 12553.4798 0 52 12818.0000 12553.4798 2.06% - 0s 0 0 12553.5895 0 58 12818.0000 12553.5895 2.06% - 0s 0 0 12553.9593 0 50 12818.0000 12553.9593 2.06% - 0s 0 0 12554.1074 0 55 12818.0000 12554.1074 2.06% - 0s 0 0 12554.5882 0 61 12818.0000 12554.5882 2.06% - 0s 0 0 12554.8143 0 58 12818.0000 12554.8143 2.05% - 0s 0 0 12554.9831 0 63 12818.0000 12554.9831 2.05% - 0s 0 0 12555.5155 0 54 12818.0000 12555.5155 2.05% - 0s 0 0 12555.9376 0 56 12818.0000 12555.9376 2.04% - 0s 0 0 12556.3916 0 62 12818.0000 12556.3916 2.04% - 0s 0 0 12556.7360 0 58 12818.0000 12556.7360 2.04% - 0s 0 0 12556.7666 0 59 12818.0000 12556.7666 2.04% - 0s 0 0 12556.7899 0 61 12818.0000 12556.7899 2.04% - 0s 0 0 12557.3124 0 61 12818.0000 12557.3124 2.03% - 0s 0 0 12557.4745 0 62 12818.0000 12557.4745 2.03% - 0s 0 0 12557.5600 0 58 12818.0000 12557.5600 2.03% - 0s 0 0 12557.8176 0 66 12818.0000 12557.8176 2.03% - 0s 0 2 12557.9510 0 66 12818.0000 12557.9510 2.03% - 1s * 70 33 23 12780.000000 12583.6833 1.54% 6.6 1s * 482 24 38 12779.000000 12734.5000 0.35% 6.4 1s Cutting planes: Gomory: 2 Zero half: 8 Mod-K: 3 Explored 528 nodes (3665 simplex iterations) in 1.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277900000000e+04, best bound 1.277900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 353 rows, 1128 columns and 84855 nonzeros Presolve time: 0.05s Presolved: 353 rows, 1128 columns, 84855 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12958.000000 12519.2500 3.39% - 0s 0 0 12546.8636 0 43 12958.0000 12546.8636 3.17% - 0s 0 0 12546.8636 0 36 12958.0000 12546.8636 3.17% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 2 12562.0000 0 43 12826.0000 12562.0000 2.06% - 0s H 15 11 12782.000000 12582.6452 1.56% 0.0 1s H 15 10 12780.000000 12582.6452 1.54% 0.0 1s * 266 53 20 12779.000000 12677.0000 0.80% 6.7 1s Cutting planes: Gomory: 8 Zero half: 1 Mod-K: 2 Explored 446 nodes (2785 simplex iterations) in 1.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.277900000000e+04, best bound 1.277900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 354 rows, 1128 columns and 85131 nonzeros Presolve time: 0.05s Presolved: 354 rows, 1128 columns, 85131 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12885.000000 12519.2500 2.84% - 0s 0 0 12546.8636 0 43 12885.0000 12546.8636 2.62% - 0s 0 0 12546.8636 0 36 12885.0000 12546.8636 2.62% - 0s 0 0 12546.8636 0 43 12885.0000 12546.8636 2.62% - 0s 0 0 12548.5000 0 10 12885.0000 12548.5000 2.61% - 0s 0 0 12548.7778 0 18 12885.0000 12548.7778 2.61% - 0s 0 0 12549.3158 0 38 12885.0000 12549.3158 2.61% - 0s H 0 0 12837.000000 12549.3158 2.24% - 0s 0 0 12549.5526 0 46 12837.0000 12549.5526 2.24% - 0s 0 0 12550.3203 0 51 12837.0000 12550.3203 2.23% - 0s 0 0 12551.8021 0 58 12837.0000 12551.8021 2.22% - 0s 0 0 12552.8844 0 62 12837.0000 12552.8844 2.21% - 0s 0 0 12554.1467 0 47 12837.0000 12554.1467 2.20% - 0s 0 0 12554.2329 0 56 12837.0000 12554.2329 2.20% - 0s 0 0 12554.5949 0 49 12837.0000 12554.5949 2.20% - 0s 0 0 12554.7179 0 53 12837.0000 12554.7179 2.20% - 0s 0 0 12554.8027 0 56 12837.0000 12554.8027 2.20% - 0s 0 0 12554.8980 0 61 12837.0000 12554.8980 2.20% - 0s 0 0 12555.6368 0 61 12837.0000 12555.6368 2.19% - 0s 0 0 12555.6507 0 55 12837.0000 12555.6507 2.19% - 0s H 0 0 12826.000000 12555.6507 2.11% - 0s 0 2 12555.7472 0 55 12826.0000 12555.7472 2.11% - 0s H 27 16 12785.000000 12579.6389 1.61% 6.9 0s H 81 34 12783.000000 12606.9840 1.38% 5.8 1s * 87 39 31 12780.000000 12606.9840 1.35% 5.5 1s Cutting planes: Gomory: 3 Zero half: 10 Mod-K: 1 Explored 498 nodes (3537 simplex iterations) in 1.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278000000000e+04, best bound 1.278000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 24), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 355 rows, 1128 columns and 85431 nonzeros Presolve time: 0.05s Presolved: 355 rows, 1128 columns, 85431 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12783.000000 12519.2500 2.06% - 0s 0 0 12546.8636 0 43 12783.0000 12546.8636 1.85% - 0s 0 0 12546.8636 0 36 12783.0000 12546.8636 1.85% - 0s 0 0 12548.5000 0 10 12783.0000 12548.5000 1.83% - 0s 0 0 12555.2941 0 41 12783.0000 12555.2941 1.78% - 0s 0 0 12555.4316 0 49 12783.0000 12555.4316 1.78% - 0s 0 0 12555.5528 0 43 12783.0000 12555.5528 1.78% - 0s 0 0 12555.6694 0 51 12783.0000 12555.6694 1.78% - 0s 0 0 12556.2897 0 47 12783.0000 12556.2897 1.77% - 0s 0 0 12556.3864 0 55 12783.0000 12556.3864 1.77% - 0s 0 0 12556.6790 0 60 12783.0000 12556.6790 1.77% - 0s 0 0 12558.3404 0 56 12783.0000 12558.3404 1.76% - 0s 0 0 12558.7563 0 49 12783.0000 12558.7563 1.75% - 0s 0 0 12558.8116 0 57 12783.0000 12558.8116 1.75% - 0s 0 0 12558.9657 0 60 12783.0000 12558.9657 1.75% - 0s 0 0 12559.0526 0 57 12783.0000 12559.0526 1.75% - 0s 0 0 12559.0899 0 60 12783.0000 12559.0899 1.75% - 0s 0 0 12559.2792 0 55 12783.0000 12559.2792 1.75% - 0s 0 0 12559.2814 0 59 12783.0000 12559.2814 1.75% - 0s 0 2 12559.3571 0 59 12783.0000 12559.3571 1.75% - 0s * 54 27 19 12780.000000 12595.4058 1.44% 7.3 0s Cutting planes: Gomory: 4 Zero half: 8 Explored 487 nodes (3071 simplex iterations) in 1.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278000000000e+04, best bound 1.278000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 356 rows, 1128 columns and 85684 nonzeros Presolve time: 0.05s Presolved: 356 rows, 1128 columns, 85684 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12846.000000 12519.2500 2.54% - 0s 0 0 12546.8636 0 43 12846.0000 12546.8636 2.33% - 0s 0 0 12546.8636 0 36 12846.0000 12546.8636 2.33% - 0s 0 0 12548.5000 0 10 12846.0000 12548.5000 2.32% - 0s 0 0 12553.2917 0 39 12846.0000 12553.2917 2.28% - 0s 0 0 12558.2222 0 43 12846.0000 12558.2222 2.24% - 0s H 0 0 12837.000000 12558.2222 2.17% - 0s 0 0 12558.2576 0 45 12837.0000 12558.2576 2.17% - 0s 0 0 12558.3437 0 51 12837.0000 12558.3437 2.17% - 0s 0 0 12558.3478 0 42 12837.0000 12558.3478 2.17% - 0s 0 0 12558.5949 0 53 12837.0000 12558.5949 2.17% - 0s 0 0 12558.9107 0 48 12837.0000 12558.9107 2.17% - 0s 0 2 12559.0000 0 48 12837.0000 12559.0000 2.17% - 0s H 27 15 12783.000000 12576.0889 1.62% 7.0 0s H 56 22 12780.000000 12587.5714 1.51% 6.0 0s Cutting planes: Gomory: 5 Zero half: 4 Explored 535 nodes (3195 simplex iterations) in 1.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278000000000e+04, best bound 1.278000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46), (40, 46)] Optimize a model with 357 rows, 1128 columns and 85960 nonzeros Presolve time: 0.05s Presolved: 357 rows, 1128 columns, 85960 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start 0 0 12546.8636 0 43 47372.0000 12546.8636 73.5% - 0s 0 0 12548.5000 0 10 47372.0000 12548.5000 73.5% - 0s 0 0 12548.7500 0 18 47372.0000 12548.7500 73.5% - 0s 0 0 12549.4762 0 46 47372.0000 12549.4762 73.5% - 0s 0 0 12550.9348 0 43 47372.0000 12550.9348 73.5% - 0s 0 0 12551.0435 0 51 47372.0000 12551.0435 73.5% - 0s 0 0 12552.2093 0 47 47372.0000 12552.2093 73.5% - 0s 0 0 12552.3241 0 55 47372.0000 12552.3241 73.5% - 0s 0 0 12552.8607 0 47 47372.0000 12552.8607 73.5% - 0s 0 0 12552.9890 0 62 47372.0000 12552.9890 73.5% - 0s 0 0 12554.5556 0 51 47372.0000 12554.5556 73.5% - 0s 0 0 12555.3772 0 47 47372.0000 12555.3772 73.5% - 0s 0 0 12555.4900 0 52 47372.0000 12555.4900 73.5% - 0s 0 0 12555.7432 0 56 47372.0000 12555.7432 73.5% - 0s 0 0 12555.8768 0 60 47372.0000 12555.8768 73.5% - 0s 0 0 12556.7522 0 51 47372.0000 12556.7522 73.5% - 0s 0 0 12556.7561 0 53 47372.0000 12556.7561 73.5% - 0s 0 0 12556.7778 0 44 47372.0000 12556.7778 73.5% - 0s 0 0 12556.8508 0 53 47372.0000 12556.8508 73.5% - 1s H 0 0 13733.000000 12556.8508 8.56% - 1s H 0 0 12822.000000 12556.8508 2.07% - 1s 0 0 12557.0070 0 57 12822.0000 12557.0070 2.07% - 1s 0 0 12557.0070 0 36 12822.0000 12557.0070 2.07% - 1s 0 0 12557.0070 0 44 12822.0000 12557.0070 2.07% - 1s 0 0 12557.0070 0 48 12822.0000 12557.0070 2.07% - 1s 0 0 12557.0070 0 48 12822.0000 12557.0070 2.07% - 1s 0 0 12557.0070 0 57 12822.0000 12557.0070 2.07% - 1s 0 0 12557.0246 0 53 12822.0000 12557.0246 2.07% - 1s 0 0 12557.0266 0 59 12822.0000 12557.0266 2.07% - 1s 0 0 12557.1414 0 55 12822.0000 12557.1414 2.07% - 1s 0 2 12557.3315 0 55 12822.0000 12557.3315 2.06% - 1s * 55 21 54 12784.000000 12577.2667 1.62% 5.6 2s * 111 42 11 12782.000000 12605.5000 1.38% 6.2 2s * 319 62 6 12780.000000 12682.0000 0.77% 6.1 2s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 2 Explored 508 nodes (3293 simplex iterations) in 2.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278000000000e+04, best bound 1.278000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 358 rows, 1128 columns and 86260 nonzeros Presolve time: 0.05s Presolved: 358 rows, 1128 columns, 86260 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12869.000000 12519.2500 2.72% - 0s 0 0 12546.8636 0 43 12869.0000 12546.8636 2.50% - 0s 0 0 12546.8636 0 36 12869.0000 12546.8636 2.50% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12553.2917 0 39 12826.0000 12553.2917 2.13% - 0s 0 0 12558.2222 0 43 12826.0000 12558.2222 2.09% - 0s 0 0 12558.2828 0 45 12826.0000 12558.2828 2.09% - 0s 0 0 12558.3437 0 51 12826.0000 12558.3437 2.09% - 0s 0 0 12558.4627 0 42 12826.0000 12558.4627 2.09% - 0s 0 0 12558.5758 0 45 12826.0000 12558.5758 2.09% - 0s 0 0 12558.5805 0 53 12826.0000 12558.5805 2.08% - 0s 0 0 12558.9107 0 48 12826.0000 12558.9107 2.08% - 0s 0 0 12558.9950 0 56 12826.0000 12558.9950 2.08% - 0s H 0 0 12789.000000 12558.9950 1.80% - 0s 0 2 12559.0000 0 56 12789.0000 12559.0000 1.80% - 0s * 21 17 18 12788.000000 12575.1111 1.66% 7.9 0s * 23 15 19 12785.000000 12575.1111 1.64% 7.3 0s * 222 60 12 12782.000000 12644.5000 1.08% 5.8 1s * 347 51 15 12780.000000 12683.0000 0.76% 5.8 1s Cutting planes: Gomory: 6 Zero half: 5 Explored 492 nodes (3042 simplex iterations) in 1.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278000000000e+04, best bound 1.277900000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 359 rows, 1128 columns and 86585 nonzeros Presolve time: 0.05s Presolved: 359 rows, 1128 columns, 86585 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12878.000000 12519.2500 2.79% - 0s 0 0 12546.8636 0 43 12878.0000 12546.8636 2.57% - 0s 0 0 12546.8636 0 36 12878.0000 12546.8636 2.57% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12553.2917 0 39 12826.0000 12553.2917 2.13% - 0s 0 0 12558.2593 0 53 12826.0000 12558.2593 2.09% - 0s 0 0 12558.7212 0 51 12826.0000 12558.7212 2.08% - 0s 0 0 12558.8347 0 48 12826.0000 12558.8347 2.08% - 0s 0 0 12558.9254 0 51 12826.0000 12558.9254 2.08% - 0s 0 0 12558.9402 0 56 12826.0000 12558.9402 2.08% - 0s 0 0 12558.9839 0 58 12826.0000 12558.9839 2.08% - 0s 0 0 12559.3176 0 60 12826.0000 12559.3176 2.08% - 0s 0 0 12559.5575 0 61 12826.0000 12559.5575 2.08% - 0s 0 0 12559.9266 0 53 12826.0000 12559.9266 2.07% - 0s 0 0 12560.0625 0 60 12826.0000 12560.0625 2.07% - 0s 0 0 12560.7034 0 55 12826.0000 12560.7034 2.07% - 0s 0 0 12560.7661 0 57 12826.0000 12560.7661 2.07% - 0s 0 0 12560.8388 0 64 12826.0000 12560.8388 2.07% - 0s 0 0 12561.0313 0 63 12826.0000 12561.0313 2.07% - 0s 0 0 12561.1442 0 64 12826.0000 12561.1442 2.06% - 0s H 0 0 12785.000000 12561.1442 1.75% - 1s 0 2 12561.3291 0 64 12785.0000 12561.3291 1.75% - 1s * 73 36 28 12783.000000 12593.0000 1.49% 7.0 1s * 142 49 12 12782.000000 12607.0714 1.37% 6.7 1s * 448 33 20 12781.000000 12719.0556 0.48% 6.2 1s Cutting planes: Gomory: 6 Zero half: 10 Explored 518 nodes (3420 simplex iterations) in 1.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278100000000e+04, best bound 1.278100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 360 rows, 1128 columns and 86838 nonzeros Presolve time: 0.05s Presolved: 360 rows, 1128 columns, 86838 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12812.000000 12519.2500 2.28% - 0s 0 0 12546.8636 0 43 12812.0000 12546.8636 2.07% - 0s 0 0 12546.8636 0 36 12812.0000 12546.8636 2.07% - 0s 0 0 12548.5000 0 10 12812.0000 12548.5000 2.06% - 0s 0 0 12558.2439 0 45 12812.0000 12558.2439 1.98% - 0s 0 0 12565.0351 0 44 12812.0000 12565.0351 1.93% - 0s 0 0 12565.1510 0 52 12812.0000 12565.1510 1.93% - 0s 0 0 12565.3041 0 53 12812.0000 12565.3041 1.93% - 0s 0 0 12565.7844 0 52 12812.0000 12565.7844 1.92% - 0s 0 0 12565.9019 0 61 12812.0000 12565.9019 1.92% - 0s 0 0 12566.4107 0 52 12812.0000 12566.4107 1.92% - 0s 0 0 12566.5402 0 59 12812.0000 12566.5402 1.92% - 0s 0 0 12567.0639 0 58 12812.0000 12567.0639 1.91% - 0s 0 0 12567.1311 0 60 12812.0000 12567.1311 1.91% - 0s 0 0 12567.2368 0 53 12812.0000 12567.2368 1.91% - 0s 0 0 12567.6136 0 61 12812.0000 12567.6136 1.91% - 0s 0 0 12568.2762 0 57 12812.0000 12568.2762 1.90% - 0s 0 0 12568.4312 0 64 12812.0000 12568.4312 1.90% - 0s 0 0 12569.1238 0 60 12812.0000 12569.1238 1.90% - 0s 0 0 12569.4444 0 48 12812.0000 12569.4444 1.89% - 0s 0 0 12569.5196 0 62 12812.0000 12569.5196 1.89% - 0s 0 0 12569.6870 0 63 12812.0000 12569.6870 1.89% - 0s 0 0 12569.7180 0 65 12812.0000 12569.7180 1.89% - 0s 0 0 12569.8414 0 64 12812.0000 12569.8414 1.89% - 0s 0 0 12569.8505 0 64 12812.0000 12569.8505 1.89% - 0s 0 0 12569.8697 0 58 12812.0000 12569.8697 1.89% - 0s H 0 0 12785.000000 12569.8697 1.68% - 1s 0 2 12569.9869 0 58 12785.0000 12569.9869 1.68% - 1s * 165 91 12 12784.000000 12625.0000 1.24% 5.4 1s * 301 139 9 12783.000000 12659.0000 0.97% 5.1 1s * 634 79 14 12782.000000 12719.5000 0.49% 5.2 1s Cutting planes: Gomory: 5 Zero half: 16 Mod-K: 2 Explored 759 nodes (4296 simplex iterations) in 1.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278200000000e+04, best bound 1.278100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 361 rows, 1128 columns and 87189 nonzeros Presolve time: 0.05s Presolved: 361 rows, 1128 columns, 87189 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 13071.000000 12519.2500 4.22% - 0s 0 0 12546.8636 0 43 13071.0000 12546.8636 4.01% - 0s 0 0 12546.8636 0 36 13071.0000 12546.8636 4.01% - 0s 0 0 12546.8636 0 43 13071.0000 12546.8636 4.01% - 0s 0 0 12548.5000 0 10 13071.0000 12548.5000 4.00% - 0s 0 0 12548.7500 0 18 13071.0000 12548.7500 4.00% - 0s 0 0 12549.4762 0 46 13071.0000 12549.4762 3.99% - 0s 0 0 12550.3203 0 51 13071.0000 12550.3203 3.98% - 0s 0 0 12551.8149 0 60 13071.0000 12551.8149 3.97% - 0s 0 0 12553.4953 0 57 13071.0000 12553.4953 3.96% - 0s H 0 0 12826.000000 12553.4953 2.12% - 0s 0 0 12553.6566 0 56 12826.0000 12553.6566 2.12% - 0s 0 2 12562.6431 0 56 12826.0000 12562.6431 2.05% - 0s H 13 9 12785.000000 12569.3259 1.69% 0.0 1s * 55 15 42 12784.000000 12607.5000 1.38% 11.4 1s * 77 22 25 12783.000000 12612.3750 1.33% 10.3 1s * 133 47 25 12782.000000 12625.0000 1.23% 7.8 1s Cutting planes: Gomory: 8 Zero half: 4 Mod-K: 2 Explored 524 nodes (3323 simplex iterations) in 2.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278200000000e+04, best bound 1.278100000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (13, 16), (13, 24), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 362 rows, 1128 columns and 87465 nonzeros Presolve time: 0.05s Presolved: 362 rows, 1128 columns, 87465 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12896.000000 12519.2500 2.92% - 0s 0 0 12546.8636 0 43 12896.0000 12546.8636 2.71% - 0s 0 0 12546.8636 0 36 12896.0000 12546.8636 2.71% - 0s H 0 0 12801.000000 12546.8636 1.99% - 0s 0 0 12548.5000 0 10 12801.0000 12548.5000 1.97% - 0s 0 2 12555.2759 0 10 12801.0000 12555.2759 1.92% - 0s H 15 11 12795.000000 12573.3714 1.73% 0.1 1s H 15 10 12789.000000 12573.3714 1.69% 0.1 1s * 46 11 28 12785.000000 12575.6435 1.64% 8.7 1s * 116 37 19 12783.000000 12627.0580 1.22% 7.7 1s Cutting planes: Gomory: 6 Zero half: 4 Mod-K: 2 Explored 521 nodes (3295 simplex iterations) in 1.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278300000000e+04, best bound 1.278200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 363 rows, 1128 columns and 87790 nonzeros Presolve time: 0.05s Presolved: 363 rows, 1128 columns, 87790 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start 0 0 12546.8636 0 43 47372.0000 12546.8636 73.5% - 0s 0 0 12548.5000 0 10 47372.0000 12548.5000 73.5% - 0s 0 0 12548.7500 0 18 47372.0000 12548.7500 73.5% - 0s 0 0 12549.4762 0 46 47372.0000 12549.4762 73.5% - 0s 0 0 12550.9348 0 43 47372.0000 12550.9348 73.5% - 0s 0 0 12551.0435 0 51 47372.0000 12551.0435 73.5% - 0s 0 0 12552.2093 0 47 47372.0000 12552.2093 73.5% - 0s 0 0 12552.3241 0 55 47372.0000 12552.3241 73.5% - 0s 0 0 12552.8607 0 47 47372.0000 12552.8607 73.5% - 0s 0 0 12552.9890 0 62 47372.0000 12552.9890 73.5% - 0s 0 0 12554.5556 0 51 47372.0000 12554.5556 73.5% - 0s 0 0 12555.3772 0 47 47372.0000 12555.3772 73.5% - 0s 0 0 12555.4900 0 52 47372.0000 12555.4900 73.5% - 0s 0 0 12555.7432 0 56 47372.0000 12555.7432 73.5% - 0s 0 0 12555.8768 0 60 47372.0000 12555.8768 73.5% - 0s 0 0 12556.7522 0 51 47372.0000 12556.7522 73.5% - 0s 0 0 12556.7561 0 53 47372.0000 12556.7561 73.5% - 0s 0 0 12556.7778 0 44 47372.0000 12556.7778 73.5% - 0s 0 0 12556.8003 0 54 47372.0000 12556.8003 73.5% - 1s H 0 0 13881.000000 12556.8003 9.54% - 1s H 0 0 13404.000000 12556.8003 6.32% - 1s H 0 0 12822.000000 12556.8003 2.07% - 1s 0 0 12556.8672 0 55 12822.0000 12556.8672 2.07% - 1s 0 0 12556.8672 0 36 12822.0000 12556.8672 2.07% - 1s 0 0 12557.8529 0 48 12822.0000 12557.8529 2.06% - 1s 0 0 12558.6055 0 59 12822.0000 12558.6055 2.05% - 1s 0 0 12559.1283 0 58 12822.0000 12559.1283 2.05% - 1s 0 0 12559.5902 0 59 12822.0000 12559.5902 2.05% - 1s 0 0 12559.6254 0 62 12822.0000 12559.6254 2.05% - 1s 0 0 12559.6437 0 65 12822.0000 12559.6437 2.05% - 1s 0 0 12559.7050 0 63 12822.0000 12559.7050 2.05% - 1s 0 0 12559.7168 0 69 12822.0000 12559.7168 2.05% - 1s 0 2 12559.7770 0 69 12822.0000 12559.7770 2.05% - 2s H 70 42 12818.000000 12588.5000 1.79% 6.9 2s * 98 59 24 12808.000000 12588.5000 1.71% 6.6 2s * 123 74 21 12797.000000 12592.0417 1.60% 6.4 2s * 140 80 21 12792.000000 12613.0000 1.40% 6.1 2s * 280 113 8 12791.000000 12646.0000 1.13% 5.5 2s * 281 112 7 12790.000000 12646.0000 1.13% 5.6 2s * 310 123 8 12785.000000 12652.0000 1.04% 5.5 2s * 318 123 10 12784.000000 12652.0000 1.03% 5.5 2s * 614 114 19 12783.000000 12706.0000 0.60% 5.9 2s Cutting planes: Gomory: 3 Cover: 1 Zero half: 11 Mod-K: 1 Explored 847 nodes (5092 simplex iterations) in 2.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278300000000e+04, best bound 1.278300000000e+04, gap 0.0% adding cut for [(33, 46), (2, 4), (2, 38), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 364 rows, 1128 columns and 87980 nonzeros Presolve time: 0.05s Presolved: 364 rows, 1128 columns, 87980 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12875.000000 12519.2500 2.76% - 0s 0 0 12546.8636 0 43 12875.0000 12546.8636 2.55% - 0s 0 0 12546.8636 0 36 12875.0000 12546.8636 2.55% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 0 12548.5000 0 10 12826.0000 12548.5000 2.16% - 0s 0 0 12548.7778 0 18 12826.0000 12548.7778 2.16% - 0s 0 0 12549.3158 0 38 12826.0000 12549.3158 2.16% - 0s 0 0 12549.5526 0 46 12826.0000 12549.5526 2.16% - 0s 0 0 12550.3203 0 51 12826.0000 12550.3203 2.15% - 0s 0 0 12551.4144 0 58 12826.0000 12551.4144 2.14% - 0s 0 0 12553.0000 0 54 12826.0000 12553.0000 2.13% - 0s 0 0 12553.4000 0 51 12826.0000 12553.4000 2.13% - 0s 0 0 12553.5622 0 50 12826.0000 12553.5622 2.12% - 0s 0 0 12553.6619 0 58 12826.0000 12553.6619 2.12% - 0s 0 0 12554.3767 0 48 12826.0000 12554.3767 2.12% - 0s 0 0 12554.5734 0 53 12826.0000 12554.5734 2.12% - 0s 0 0 12554.8167 0 46 12826.0000 12554.8167 2.11% - 0s 0 2 12555.0000 0 46 12826.0000 12555.0000 2.11% - 0s H 27 16 12815.000000 12575.6800 1.87% 8.6 0s * 41 16 33 12811.000000 12575.6800 1.84% 7.4 0s * 51 19 13 12795.000000 12584.1250 1.65% 7.3 0s * 124 49 15 12790.000000 12616.2941 1.36% 5.6 1s H 133 46 12789.000000 12629.1699 1.25% 5.7 1s * 139 45 13 12784.000000 12633.0000 1.18% 5.9 1s * 387 69 16 12783.000000 12674.9231 0.85% 5.7 1s Cutting planes: Gomory: 3 Zero half: 6 Explored 662 nodes (3930 simplex iterations) in 1.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278300000000e+04, best bound 1.278300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 365 rows, 1128 columns and 88256 nonzeros Presolve time: 0.05s Presolved: 365 rows, 1128 columns, 88256 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12928.000000 12519.2500 3.16% - 0s 0 0 12546.8636 0 43 12928.0000 12546.8636 2.95% - 0s 0 0 12546.8636 0 36 12928.0000 12546.8636 2.95% - 0s H 0 0 12826.000000 12546.8636 2.18% - 0s 0 0 12546.8636 0 43 12826.0000 12546.8636 2.18% - 0s 0 2 12562.0000 0 43 12826.0000 12562.0000 2.06% - 0s H 15 11 12803.000000 12577.8487 1.76% 0.0 1s * 54 23 33 12797.000000 12585.4182 1.65% 9.5 1s * 94 46 18 12790.000000 12627.6667 1.27% 9.3 1s * 101 41 21 12784.000000 12627.6667 1.22% 9.1 1s Cutting planes: Gomory: 6 Zero half: 4 Explored 609 nodes (3586 simplex iterations) in 1.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278400000000e+04, best bound 1.278400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 47), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 366 rows, 1128 columns and 88581 nonzeros Presolve time: 0.05s Presolved: 366 rows, 1128 columns, 88581 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12911.000000 12519.2500 3.03% - 0s 0 0 12546.8636 0 43 12911.0000 12546.8636 2.82% - 0s 0 0 12546.8636 0 36 12911.0000 12546.8636 2.82% - 0s 0 0 12548.5000 0 10 12911.0000 12548.5000 2.81% - 0s 0 0 12557.0135 0 34 12911.0000 12557.0135 2.74% - 0s 0 0 12560.2581 0 36 12911.0000 12560.2581 2.72% - 0s H 0 0 12905.000000 12560.2581 2.67% - 0s 0 0 12560.3345 0 44 12905.0000 12560.3345 2.67% - 0s 0 0 12560.4462 0 52 12905.0000 12560.4462 2.67% - 0s 0 0 12560.7023 0 52 12905.0000 12560.7023 2.67% - 0s 0 0 12561.5264 0 46 12905.0000 12561.5264 2.66% - 0s H 0 0 12840.000000 12561.5264 2.17% - 0s 0 2 12561.8319 0 46 12840.0000 12561.8319 2.17% - 0s * 56 34 53 12815.000000 12580.1667 1.83% 5.2 0s * 100 63 43 12811.000000 12586.0000 1.76% 4.5 0s * 118 71 15 12790.000000 12589.0000 1.57% 5.1 0s H 227 121 12784.000000 12616.0000 1.31% 4.6 1s Cutting planes: Gomory: 7 Zero half: 2 Explored 1044 nodes (5675 simplex iterations) in 1.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278400000000e+04, best bound 1.278300000000e+04, gap 0.0078% adding cut for [(33, 36), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 367 rows, 1128 columns and 88791 nonzeros Presolve time: 0.05s Presolved: 367 rows, 1128 columns, 88791 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.251925e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12519.2500 0 36 47372.0000 12519.2500 73.6% - 0s Another try with MIP start H 0 0 12876.000000 12519.2500 2.77% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 36 12876.0000 12546.8636 2.56% - 0s 0 0 12546.8636 0 43 12876.0000 12546.8636 2.56% - 0s 0 0 12548.5000 0 10 12876.0000 12548.5000 2.54% - 0s 0 0 12548.7778 0 18 12876.0000 12548.7778 2.54% - 0s 0 0 12549.3611 0 38 12876.0000 12549.3611 2.54% - 0s 0 0 12549.5972 0 46 12876.0000 12549.5972 2.53% - 0s 0 0 12550.3203 0 51 12876.0000 12550.3203 2.53% - 0s 0 0 12551.3448 0 58 12876.0000 12551.3448 2.52% - 0s 0 0 12553.0000 0 54 12876.0000 12553.0000 2.51% - 0s 0 0 12553.4000 0 51 12876.0000 12553.4000 2.51% - 0s 0 0 12553.5491 0 49 12876.0000 12553.5491 2.50% - 0s 0 0 12553.6201 0 57 12876.0000 12553.6201 2.50% - 0s 0 0 12554.3767 0 48 12876.0000 12554.3767 2.50% - 0s 0 0 12554.5648 0 53 12876.0000 12554.5648 2.50% - 0s 0 0 12554.8167 0 46 12876.0000 12554.8167 2.49% - 0s H 0 0 12826.000000 12554.8167 2.11% - 0s 0 2 12554.9434 0 46 12826.0000 12554.9434 2.11% - 0s H 27 11 12784.000000 12577.9556 1.61% 6.6 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 566 nodes (3334 simplex iterations) in 1.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278400000000e+04, best bound 1.278400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 368 rows, 1128 columns and 89044 nonzeros Presolve time: 0.05s Presolved: 368 rows, 1128 columns, 89044 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12789.000000 12538.0000 1.96% - 0s 0 0 12551.0294 0 44 12789.0000 12551.0294 1.86% - 0s 0 0 12551.0294 0 39 12789.0000 12551.0294 1.86% - 0s 0 0 12557.5000 0 28 12789.0000 12557.5000 1.81% - 0s 0 0 12569.1429 0 42 12789.0000 12569.1429 1.72% - 0s 0 0 12569.3929 0 50 12789.0000 12569.3929 1.72% - 0s 0 0 12569.4375 0 56 12789.0000 12569.4375 1.72% - 0s 0 0 12570.0500 0 48 12789.0000 12570.0500 1.71% - 0s 0 0 12570.0957 0 55 12789.0000 12570.0957 1.71% - 0s 0 0 12570.3244 0 57 12789.0000 12570.3244 1.71% - 0s 0 0 12570.7941 0 57 12789.0000 12570.7941 1.71% - 0s 0 0 12571.7396 0 67 12789.0000 12571.7396 1.70% - 0s 0 0 12571.8296 0 67 12789.0000 12571.8296 1.70% - 0s 0 0 12572.1231 0 64 12789.0000 12572.1231 1.70% - 0s 0 0 12572.1954 0 67 12789.0000 12572.1954 1.70% - 0s 0 0 12572.3759 0 64 12789.0000 12572.3759 1.69% - 0s 0 0 12572.9288 0 65 12789.0000 12572.9288 1.69% - 0s 0 0 12573.3849 0 61 12789.0000 12573.3849 1.69% - 0s 0 0 12573.4293 0 64 12789.0000 12573.4293 1.69% - 0s 0 2 12573.4755 0 64 12789.0000 12573.4755 1.69% - 0s * 129 57 21 12785.000000 12618.5909 1.30% 5.6 1s * 443 107 12 12784.000000 12685.8889 0.77% 5.3 1s Cutting planes: Gomory: 5 Zero half: 11 Explored 796 nodes (4483 simplex iterations) in 1.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278400000000e+04, best bound 1.278400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 369 rows, 1128 columns and 89369 nonzeros Presolve time: 0.05s Presolved: 369 rows, 1128 columns, 89369 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12538.0000 2.66% - 0s 0 0 12551.0294 0 44 12881.0000 12551.0294 2.56% - 0s 0 0 12551.0294 0 39 12881.0000 12551.0294 2.56% - 0s 0 0 12551.0294 0 44 12881.0000 12551.0294 2.56% - 0s H 0 0 12873.000000 12551.0294 2.50% - 0s 0 0 12556.3553 0 40 12873.0000 12556.3553 2.46% - 0s 0 0 12557.9429 0 45 12873.0000 12557.9429 2.45% - 0s 0 0 12558.6436 0 55 12873.0000 12558.6436 2.44% - 0s 0 0 12560.2157 0 47 12873.0000 12560.2157 2.43% - 0s 0 0 12560.3875 0 59 12873.0000 12560.3875 2.43% - 0s 0 0 12560.8462 0 56 12873.0000 12560.8462 2.42% - 0s 0 0 12560.9215 0 53 12873.0000 12560.9215 2.42% - 0s 0 0 12561.0745 0 60 12873.0000 12561.0745 2.42% - 0s 0 0 12561.1746 0 54 12873.0000 12561.1746 2.42% - 0s 0 0 12561.3830 0 64 12873.0000 12561.3830 2.42% - 0s 0 0 12561.6386 0 47 12873.0000 12561.6386 2.42% - 0s 0 0 12561.6908 0 55 12873.0000 12561.6908 2.42% - 0s 0 0 12561.7421 0 56 12873.0000 12561.7421 2.42% - 0s 0 2 12561.7964 0 56 12873.0000 12561.7964 2.42% - 0s H 27 14 12792.000000 12613.4000 1.40% 7.9 1s * 50 25 13 12787.000000 12616.4286 1.33% 6.8 1s * 179 63 14 12785.000000 12645.7778 1.09% 5.9 1s * 633 36 12 12784.000000 12742.8000 0.32% 5.5 1s Cutting planes: Gomory: 3 Zero half: 12 Mod-K: 2 Explored 691 nodes (4068 simplex iterations) in 1.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278400000000e+04, best bound 1.278300000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 370 rows, 1128 columns and 89645 nonzeros Presolve time: 0.05s Presolved: 370 rows, 1128 columns, 89645 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12538.0000 2.66% - 0s 0 0 12551.0294 0 44 12881.0000 12551.0294 2.56% - 0s 0 0 12551.0294 0 39 12881.0000 12551.0294 2.56% - 0s 0 0 12551.0294 0 44 12881.0000 12551.0294 2.56% - 0s 0 0 12556.3553 0 40 12881.0000 12556.3553 2.52% - 0s H 0 0 12833.000000 12556.3553 2.16% - 0s 0 0 12557.9429 0 45 12833.0000 12557.9429 2.14% - 0s 0 0 12558.6436 0 55 12833.0000 12558.6436 2.14% - 0s 0 0 12560.2157 0 47 12833.0000 12560.2157 2.13% - 0s 0 0 12560.3382 0 55 12833.0000 12560.3382 2.12% - 0s 0 0 12560.6429 0 49 12833.0000 12560.6429 2.12% - 0s 0 0 12560.7083 0 58 12833.0000 12560.7083 2.12% - 0s 0 0 12560.8389 0 52 12833.0000 12560.8389 2.12% - 0s 0 0 12561.0705 0 60 12833.0000 12561.0705 2.12% - 0s 0 0 12561.1109 0 61 12833.0000 12561.1109 2.12% - 0s 0 0 12561.2585 0 63 12833.0000 12561.2585 2.12% - 0s 0 0 12561.4265 0 60 12833.0000 12561.4265 2.12% - 0s 0 0 12561.5910 0 54 12833.0000 12561.5910 2.11% - 0s 0 0 12561.6560 0 61 12833.0000 12561.6560 2.11% - 0s 0 0 12561.6596 0 64 12833.0000 12561.6596 2.11% - 0s 0 0 12561.6709 0 64 12833.0000 12561.6709 2.11% - 0s H 0 0 12818.000000 12561.6709 2.00% - 0s H 0 0 12785.000000 12561.6709 1.75% - 1s 0 2 12561.6960 0 64 12785.0000 12561.6960 1.75% - 1s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 4 Explored 607 nodes (3638 simplex iterations) in 1.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278400000000e+04, gap 0.0078% adding cut for [(34, 41), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 371 rows, 1128 columns and 89855 nonzeros Presolve time: 0.05s Presolved: 371 rows, 1128 columns, 89855 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.0294 0 44 12833.0000 12551.0294 2.20% - 0s 0 0 12551.0294 0 39 12833.0000 12551.0294 2.20% - 0s 0 0 12551.0294 0 44 12833.0000 12551.0294 2.20% - 0s 0 0 12556.3553 0 40 12833.0000 12556.3553 2.16% - 0s 0 0 12557.9286 0 45 12833.0000 12557.9286 2.14% - 0s 0 0 12558.6285 0 55 12833.0000 12558.6285 2.14% - 0s 0 0 12560.2157 0 47 12833.0000 12560.2157 2.13% - 0s 0 0 12560.3955 0 55 12833.0000 12560.3955 2.12% - 0s 0 0 12560.7943 0 52 12833.0000 12560.7943 2.12% - 0s 0 0 12560.8084 0 53 12833.0000 12560.8084 2.12% - 0s 0 0 12560.8715 0 61 12833.0000 12560.8715 2.12% - 0s 0 0 12561.1636 0 49 12833.0000 12561.1636 2.12% - 0s 0 0 12561.2865 0 57 12833.0000 12561.2865 2.12% - 0s 0 0 12561.3000 0 59 12833.0000 12561.3000 2.12% - 0s 0 0 12561.3904 0 61 12833.0000 12561.3904 2.12% - 0s 0 0 12561.4340 0 53 12833.0000 12561.4340 2.12% - 0s 0 0 12561.4768 0 61 12833.0000 12561.4768 2.12% - 0s 0 0 12561.5018 0 54 12833.0000 12561.5018 2.12% - 0s 0 2 12561.5153 0 54 12833.0000 12561.5153 2.12% - 0s * 30 19 28 12795.000000 12613.4000 1.42% 8.5 1s * 78 45 11 12786.000000 12615.8333 1.33% 7.0 1s * 226 75 8 12785.000000 12667.3810 0.92% 6.5 1s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 3 Explored 637 nodes (4160 simplex iterations) in 1.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (3, 26), (3, 29), (5, 26), (5, 35), (6, 42), (6, 48), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (11, 25), (11, 45), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (25, 42), (29, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (35, 45), (36, 46)] Optimize a model with 372 rows, 1128 columns and 90416 nonzeros Presolve time: 0.05s Presolved: 372 rows, 1128 columns, 90416 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12785.000000 12538.0000 1.93% - 0s 0 0 12551.0294 0 44 12785.0000 12551.0294 1.83% - 0s 0 0 12551.0294 0 39 12785.0000 12551.0294 1.83% - 0s 0 0 12551.0327 0 44 12785.0000 12551.0327 1.83% - 0s 0 0 12556.3677 0 40 12785.0000 12556.3677 1.79% - 0s 0 0 12557.9429 0 45 12785.0000 12557.9429 1.78% - 0s 0 0 12558.5894 0 52 12785.0000 12558.5894 1.77% - 0s 0 0 12560.2157 0 47 12785.0000 12560.2157 1.76% - 0s 0 0 12560.3875 0 59 12785.0000 12560.3875 1.76% - 0s 0 0 12561.0000 0 50 12785.0000 12561.0000 1.75% - 0s 0 0 12561.1872 0 59 12785.0000 12561.1872 1.75% - 0s 0 0 12561.3427 0 51 12785.0000 12561.3427 1.75% - 0s 0 0 12561.3828 0 54 12785.0000 12561.3828 1.75% - 0s 0 0 12561.3968 0 63 12785.0000 12561.3968 1.75% - 0s 0 0 12561.4984 0 57 12785.0000 12561.4984 1.75% - 0s 0 0 12561.6122 0 57 12785.0000 12561.6122 1.75% - 0s 0 0 12561.6354 0 64 12785.0000 12561.6354 1.75% - 0s 0 0 12562.0257 0 62 12785.0000 12562.0257 1.74% - 0s 0 0 12562.1707 0 60 12785.0000 12562.1707 1.74% - 0s 0 0 12562.2255 0 66 12785.0000 12562.2255 1.74% - 0s 0 0 12562.4942 0 61 12785.0000 12562.4942 1.74% - 0s 0 0 12562.6300 0 62 12785.0000 12562.6300 1.74% - 0s 0 2 12562.6748 0 62 12785.0000 12562.6748 1.74% - 1s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 4 Explored 611 nodes (4072 simplex iterations) in 1.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 373 rows, 1128 columns and 90822 nonzeros Presolve time: 0.05s Presolved: 373 rows, 1128 columns, 90822 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start 0 0 12551.0392 0 44 47372.0000 12551.0392 73.5% - 0s 0 0 12556.3677 0 40 47372.0000 12556.3677 73.5% - 0s 0 0 12557.9286 0 45 47372.0000 12557.9286 73.5% - 0s 0 0 12558.5034 0 50 47372.0000 12558.5034 73.5% - 0s 0 0 12558.8286 0 42 47372.0000 12558.8286 73.5% - 0s 0 0 12559.0081 0 51 47372.0000 12559.0081 73.5% - 0s 0 0 12559.2164 0 56 47372.0000 12559.2164 73.5% - 0s 0 0 12559.6620 0 55 47372.0000 12559.6620 73.5% - 0s 0 0 12559.8657 0 56 47372.0000 12559.8657 73.5% - 0s 0 0 12559.9828 0 59 47372.0000 12559.9828 73.5% - 0s 0 0 12560.2933 0 55 47372.0000 12560.2933 73.5% - 0s 0 0 12560.3695 0 61 47372.0000 12560.3695 73.5% - 0s 0 0 12560.6455 0 62 47372.0000 12560.6455 73.5% - 0s 0 0 12561.1626 0 63 47372.0000 12561.1626 73.5% - 0s 0 0 12561.6289 0 59 47372.0000 12561.6289 73.5% - 0s 0 0 12561.7232 0 59 47372.0000 12561.7232 73.5% - 1s H 0 0 13955.000000 12561.7232 10.0% - 1s H 0 0 13235.000000 12561.7232 5.09% - 1s H 0 0 12791.000000 12561.7232 1.79% - 1s 0 0 12561.7232 0 59 12791.0000 12561.7232 1.79% - 1s 0 0 12561.7232 0 39 12791.0000 12561.7232 1.79% - 1s 0 0 12561.7232 0 38 12791.0000 12561.7232 1.79% - 1s 0 0 12561.7232 0 42 12791.0000 12561.7232 1.79% - 1s 0 0 12563.0671 0 56 12791.0000 12563.0671 1.78% - 1s 0 0 12563.7749 0 65 12791.0000 12563.7749 1.78% - 1s 0 0 12563.9091 0 53 12791.0000 12563.9091 1.78% - 1s 0 0 12564.0758 0 60 12791.0000 12564.0758 1.77% - 1s 0 0 12564.2547 0 63 12791.0000 12564.2547 1.77% - 1s 0 0 12564.6407 0 59 12791.0000 12564.6407 1.77% - 1s 0 0 12565.4862 0 51 12791.0000 12565.4862 1.76% - 1s 0 0 12565.5489 0 64 12791.0000 12565.5489 1.76% - 1s 0 0 12565.8401 0 58 12791.0000 12565.8401 1.76% - 1s 0 0 12565.8432 0 63 12791.0000 12565.8432 1.76% - 1s 0 2 12566.1139 0 63 12791.0000 12566.1139 1.76% - 2s * 23 14 20 12788.000000 12609.7627 1.39% 8.8 2s * 101 51 11 12785.000000 12625.1481 1.25% 6.6 2s Cutting planes: Gomory: 5 Zero half: 8 Mod-K: 2 Explored 659 nodes (4086 simplex iterations) in 2.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 374 rows, 1128 columns and 91122 nonzeros Presolve time: 0.05s Presolved: 374 rows, 1128 columns, 91122 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12873.000000 12538.0000 2.60% - 0s 0 0 12551.0294 0 44 12873.0000 12551.0294 2.50% - 0s 0 0 12551.0294 0 39 12873.0000 12551.0294 2.50% - 0s 0 0 12551.0294 0 44 12873.0000 12551.0294 2.50% - 0s 0 0 12551.9000 0 38 12873.0000 12551.9000 2.49% - 0s 0 0 12557.8914 0 45 12873.0000 12557.8914 2.45% - 0s 0 0 12558.6226 0 47 12873.0000 12558.6226 2.44% - 0s 0 0 12558.7524 0 55 12873.0000 12558.7524 2.44% - 0s 0 0 12559.6055 0 45 12873.0000 12559.6055 2.43% - 0s 0 0 12559.7731 0 53 12873.0000 12559.7731 2.43% - 0s 0 0 12560.0236 0 45 12873.0000 12560.0236 2.43% - 0s 0 0 12560.1097 0 56 12873.0000 12560.1097 2.43% - 0s 0 0 12560.5159 0 52 12873.0000 12560.5159 2.43% - 0s 0 0 12560.6012 0 62 12873.0000 12560.6012 2.43% - 0s 0 0 12561.0387 0 47 12873.0000 12561.0387 2.42% - 0s 0 0 12561.2455 0 60 12873.0000 12561.2455 2.42% - 0s 0 0 12561.2898 0 60 12873.0000 12561.2898 2.42% - 0s 0 0 12561.3796 0 62 12873.0000 12561.3796 2.42% - 0s 0 0 12561.4118 0 61 12873.0000 12561.4118 2.42% - 0s 0 2 12561.4432 0 61 12873.0000 12561.4432 2.42% - 1s H 27 18 12831.000000 12613.4000 1.70% 7.6 1s * 61 34 23 12830.000000 12616.0000 1.67% 6.1 1s * 98 55 11 12813.000000 12634.5536 1.39% 5.9 1s * 113 53 16 12798.000000 12638.3857 1.25% 5.9 1s * 115 49 15 12794.000000 12638.3857 1.22% 5.8 1s * 116 47 14 12790.000000 12638.3857 1.19% 5.7 1s * 120 45 10 12785.000000 12641.2444 1.12% 5.8 1s Cutting planes: Gomory: 3 Zero half: 13 Explored 534 nodes (3120 simplex iterations) in 1.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 375 rows, 1128 columns and 91398 nonzeros Presolve time: 0.05s Presolved: 375 rows, 1128 columns, 91398 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12880.000000 12538.0000 2.66% - 0s 0 0 12551.0294 0 44 12880.0000 12551.0294 2.55% - 0s 0 0 12551.0294 0 39 12880.0000 12551.0294 2.55% - 0s 0 0 12551.0294 0 44 12880.0000 12551.0294 2.55% - 0s 0 0 12551.9000 0 38 12880.0000 12551.9000 2.55% - 0s H 0 0 12841.000000 12551.9000 2.25% - 0s 0 0 12557.8914 0 45 12841.0000 12557.8914 2.20% - 0s 0 0 12558.6220 0 45 12841.0000 12558.6220 2.20% - 0s 0 0 12558.7593 0 52 12841.0000 12558.7593 2.20% - 0s 0 0 12559.6644 0 59 12841.0000 12559.6644 2.19% - 0s 0 0 12560.0106 0 55 12841.0000 12560.0106 2.19% - 0s 0 0 12560.5400 0 61 12841.0000 12560.5400 2.18% - 0s 0 0 12560.8446 0 53 12841.0000 12560.8446 2.18% - 0s 0 0 12560.9437 0 61 12841.0000 12560.9437 2.18% - 0s 0 0 12561.1128 0 54 12841.0000 12561.1128 2.18% - 0s 0 0 12561.2180 0 62 12841.0000 12561.2180 2.18% - 0s 0 0 12561.5011 0 50 12841.0000 12561.5011 2.18% - 0s 0 2 12561.5180 0 50 12841.0000 12561.5180 2.18% - 0s H 54 31 12787.000000 12613.7895 1.35% 6.1 1s * 289 68 11 12785.000000 12678.0000 0.84% 5.9 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 546 nodes (3496 simplex iterations) in 1.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 376 rows, 1128 columns and 91698 nonzeros Presolve time: 0.05s Presolved: 376 rows, 1128 columns, 91698 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12843.000000 12538.0000 2.37% - 0s 0 0 12551.0294 0 44 12843.0000 12551.0294 2.27% - 0s 0 0 12551.0294 0 39 12843.0000 12551.0294 2.27% - 0s 0 0 12551.0294 0 44 12843.0000 12551.0294 2.27% - 0s 0 0 12556.3553 0 40 12843.0000 12556.3553 2.23% - 0s 0 0 12557.9429 0 45 12843.0000 12557.9429 2.22% - 0s 0 0 12558.6226 0 47 12843.0000 12558.6226 2.21% - 0s 0 0 12558.8450 0 55 12843.0000 12558.8450 2.21% - 0s 0 0 12560.2157 0 47 12843.0000 12560.2157 2.20% - 0s 0 0 12560.3875 0 59 12843.0000 12560.3875 2.20% - 0s 0 0 12560.8694 0 44 12843.0000 12560.8694 2.20% - 0s 0 0 12560.9006 0 51 12843.0000 12560.9006 2.20% - 0s 0 0 12560.9443 0 57 12843.0000 12560.9443 2.20% - 0s 0 0 12561.1582 0 58 12843.0000 12561.1582 2.19% - 0s 0 0 12561.3347 0 64 12843.0000 12561.3347 2.19% - 0s 0 0 12561.7146 0 58 12843.0000 12561.7146 2.19% - 0s 0 0 12561.9336 0 52 12843.0000 12561.9336 2.19% - 0s 0 0 12561.9533 0 52 12843.0000 12561.9533 2.19% - 0s 0 2 12561.9892 0 52 12843.0000 12561.9892 2.19% - 0s * 30 19 29 12811.000000 12586.0139 1.76% 6.6 1s * 71 42 38 12794.000000 12597.0000 1.54% 5.6 1s * 89 46 15 12791.000000 12613.4000 1.39% 5.8 1s * 159 78 21 12787.000000 12642.1667 1.13% 5.5 1s * 208 90 12 12785.000000 12650.7500 1.05% 5.4 1s Cutting planes: Gomory: 3 Zero half: 13 Explored 633 nodes (3797 simplex iterations) in 1.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278400000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (12, 13), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 377 rows, 1128 columns and 91951 nonzeros Presolve time: 0.05s Presolved: 377 rows, 1128 columns, 91951 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.0294 0 44 12833.0000 12551.0294 2.20% - 0s 0 0 12551.0294 0 39 12833.0000 12551.0294 2.20% - 0s 0 0 12551.0294 0 44 12833.0000 12551.0294 2.20% - 0s 0 0 12556.3553 0 40 12833.0000 12556.3553 2.16% - 0s 0 0 12558.0571 0 45 12833.0000 12558.0571 2.14% - 0s 0 0 12558.7500 0 52 12833.0000 12558.7500 2.14% - 0s 0 0 12559.6885 0 48 12833.0000 12559.6885 2.13% - 0s 0 0 12559.8725 0 58 12833.0000 12559.8725 2.13% - 0s 0 0 12560.3461 0 52 12833.0000 12560.3461 2.12% - 0s 0 0 12560.6122 0 62 12833.0000 12560.6122 2.12% - 0s 0 0 12560.9319 0 60 12833.0000 12560.9319 2.12% - 0s 0 0 12561.0603 0 60 12833.0000 12561.0603 2.12% - 0s 0 0 12561.3864 0 51 12833.0000 12561.3864 2.12% - 0s 0 0 12561.4534 0 54 12833.0000 12561.4534 2.12% - 0s 0 0 12561.4717 0 62 12833.0000 12561.4717 2.12% - 0s 0 0 12561.6410 0 60 12833.0000 12561.6410 2.11% - 0s 0 0 12561.9999 0 59 12833.0000 12561.9999 2.11% - 0s 0 0 12562.1728 0 58 12833.0000 12562.1728 2.11% - 0s 0 0 12563.3417 0 67 12833.0000 12563.3417 2.10% - 0s 0 0 12563.4281 0 65 12833.0000 12563.4281 2.10% - 0s 0 0 12563.7728 0 66 12833.0000 12563.7728 2.10% - 0s 0 0 12563.8503 0 66 12833.0000 12563.8503 2.10% - 0s 0 0 12564.0284 0 67 12833.0000 12564.0284 2.10% - 0s 0 0 12564.2097 0 67 12833.0000 12564.2097 2.09% - 0s 0 2 12564.2683 0 67 12833.0000 12564.2683 2.09% - 1s * 20 14 17 12790.000000 12614.0000 1.38% 10.8 1s * 60 36 26 12785.000000 12617.8235 1.31% 7.2 1s Cutting planes: Gomory: 4 Zero half: 20 Explored 553 nodes (3633 simplex iterations) in 1.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 23), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 378 rows, 1128 columns and 92204 nonzeros Presolve time: 0.05s Presolved: 378 rows, 1128 columns, 92204 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12877.000000 12538.0000 2.63% - 0s 0 0 12551.0294 0 44 12877.0000 12551.0294 2.53% - 0s 0 0 12551.0294 0 39 12877.0000 12551.0294 2.53% - 0s 0 0 12551.0294 0 44 12877.0000 12551.0294 2.53% - 0s 0 0 12551.9000 0 38 12877.0000 12551.9000 2.52% - 0s 0 0 12557.8914 0 45 12877.0000 12557.8914 2.48% - 0s 0 0 12558.6226 0 47 12877.0000 12558.6226 2.47% - 0s 0 0 12558.7524 0 55 12877.0000 12558.7524 2.47% - 0s 0 0 12559.6055 0 45 12877.0000 12559.6055 2.46% - 0s 0 0 12559.7731 0 53 12877.0000 12559.7731 2.46% - 0s 0 0 12560.0236 0 45 12877.0000 12560.0236 2.46% - 0s 0 0 12560.0989 0 58 12877.0000 12560.0989 2.46% - 0s 0 0 12560.3209 0 56 12877.0000 12560.3209 2.46% - 0s 0 0 12560.4043 0 61 12877.0000 12560.4043 2.46% - 0s 0 0 12560.5820 0 52 12877.0000 12560.5820 2.46% - 0s 0 0 12560.7755 0 58 12877.0000 12560.7755 2.46% - 0s 0 0 12560.9632 0 61 12877.0000 12560.9632 2.45% - 0s 0 0 12561.4178 0 57 12877.0000 12561.4178 2.45% - 0s 0 0 12561.8800 0 48 12877.0000 12561.8800 2.45% - 0s 0 0 12561.9345 0 58 12877.0000 12561.9345 2.45% - 0s 0 0 12562.0937 0 55 12877.0000 12562.0937 2.45% - 0s 0 0 12562.8099 0 62 12877.0000 12562.8099 2.44% - 0s 0 0 12563.2298 0 59 12877.0000 12563.2298 2.44% - 0s 0 0 12563.4712 0 64 12877.0000 12563.4712 2.43% - 0s 0 0 12563.6786 0 64 12877.0000 12563.6786 2.43% - 0s 0 0 12563.6809 0 69 12877.0000 12563.6809 2.43% - 0s 0 0 12563.8384 0 59 12877.0000 12563.8384 2.43% - 0s 0 0 12563.9428 0 59 12877.0000 12563.9428 2.43% - 0s 0 0 12564.0050 0 62 12877.0000 12564.0050 2.43% - 0s 0 0 12564.0376 0 62 12877.0000 12564.0376 2.43% - 0s 0 0 12564.0395 0 58 12877.0000 12564.0395 2.43% - 0s 0 0 12564.0505 0 67 12877.0000 12564.0505 2.43% - 1s 0 0 12564.0617 0 67 12877.0000 12564.0617 2.43% - 1s H 0 0 12841.000000 12564.0617 2.16% - 1s H 0 0 12787.000000 12564.0617 1.74% - 1s 0 2 12564.1557 0 67 12787.0000 12564.1557 1.74% - 1s * 197 61 4 12786.000000 12674.1250 0.87% 5.7 1s * 326 81 9 12785.000000 12692.2451 0.73% 5.5 1s Cutting planes: Gomory: 3 Zero half: 19 Explored 611 nodes (3709 simplex iterations) in 2.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278500000000e+04, best bound 1.278500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 379 rows, 1128 columns and 92529 nonzeros Presolve time: 0.05s Presolved: 379 rows, 1128 columns, 92529 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12538.0000 3.02% - 0s 0 0 12551.0294 0 44 12928.0000 12551.0294 2.92% - 0s 0 0 12551.0294 0 39 12928.0000 12551.0294 2.92% - 0s 0 0 12551.0294 0 44 12928.0000 12551.0294 2.92% - 0s 0 0 12556.3553 0 40 12928.0000 12556.3553 2.87% - 0s 0 0 12558.0571 0 45 12928.0000 12558.0571 2.86% - 0s H 0 0 12846.000000 12558.0571 2.24% - 0s 0 0 12558.7500 0 52 12846.0000 12558.7500 2.24% - 0s 0 2 12562.7727 0 52 12846.0000 12562.7727 2.20% - 0s H 1 2 12833.000000 12562.7727 2.11% 0.0 0s H 21 14 12797.000000 12591.8602 1.60% 0.0 1s H 49 25 12795.000000 12597.3210 1.54% 12.9 2s * 63 25 37 12792.000000 12597.3210 1.52% 11.4 2s * 86 32 29 12791.000000 12606.8860 1.44% 11.2 2s * 114 39 29 12790.000000 12608.2746 1.42% 10.4 2s * 185 51 24 12787.000000 12659.0000 1.00% 8.5 2s * 237 60 19 12786.000000 12672.4500 0.89% 7.7 2s Cutting planes: Gomory: 7 Zero half: 18 Explored 753 nodes (4702 simplex iterations) in 2.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278600000000e+04, best bound 1.278600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 40), (16, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 380 rows, 1128 columns and 92805 nonzeros Presolve time: 0.05s Presolved: 380 rows, 1128 columns, 92805 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12879.000000 12538.0000 2.65% - 0s 0 0 12551.0294 0 44 12879.0000 12551.0294 2.55% - 0s 0 0 12551.0294 0 39 12879.0000 12551.0294 2.55% - 0s 0 0 12551.0294 0 44 12879.0000 12551.0294 2.55% - 0s 0 0 12551.9000 0 38 12879.0000 12551.9000 2.54% - 0s 0 0 12557.8914 0 45 12879.0000 12557.8914 2.49% - 0s 0 0 12558.6220 0 45 12879.0000 12558.6220 2.49% - 0s 0 0 12558.7593 0 52 12879.0000 12558.7593 2.49% - 0s 0 0 12559.6644 0 59 12879.0000 12559.6644 2.48% - 0s 0 0 12560.3584 0 61 12879.0000 12560.3584 2.47% - 0s 0 0 12561.0252 0 52 12879.0000 12561.0252 2.47% - 0s 0 0 12561.0594 0 54 12879.0000 12561.0594 2.47% - 0s 0 0 12561.0669 0 64 12879.0000 12561.0669 2.47% - 0s 0 0 12561.3097 0 59 12879.0000 12561.3097 2.47% - 0s 0 0 12561.6784 0 51 12879.0000 12561.6784 2.46% - 0s 0 0 12561.7677 0 59 12879.0000 12561.7677 2.46% - 0s 0 0 12561.8423 0 49 12879.0000 12561.8423 2.46% - 0s 0 0 12561.9160 0 62 12879.0000 12561.9160 2.46% - 0s 0 0 12562.0723 0 50 12879.0000 12562.0723 2.46% - 0s 0 0 12562.1527 0 60 12879.0000 12562.1527 2.46% - 0s 0 0 12562.1961 0 56 12879.0000 12562.1961 2.46% - 0s 0 0 12562.8865 0 62 12879.0000 12562.8865 2.45% - 0s 0 0 12562.9508 0 69 12879.0000 12562.9508 2.45% - 0s 0 0 12563.3138 0 62 12879.0000 12563.3138 2.45% - 0s 0 0 12563.3994 0 67 12879.0000 12563.3994 2.45% - 0s 0 0 12563.4326 0 69 12879.0000 12563.4326 2.45% - 0s 0 0 12563.6120 0 66 12879.0000 12563.6120 2.45% - 0s 0 0 12563.6833 0 68 12879.0000 12563.6833 2.45% - 0s 0 0 12563.8519 0 66 12879.0000 12563.8519 2.45% - 0s 0 0 12563.8675 0 58 12879.0000 12563.8675 2.45% - 0s 0 0 12563.8772 0 69 12879.0000 12563.8772 2.45% - 0s H 0 0 12787.000000 12563.8772 1.74% - 1s 0 2 12563.9367 0 69 12787.0000 12563.9367 1.74% - 1s * 254 89 9 12786.000000 12677.0000 0.85% 5.8 1s Cutting planes: Gomory: 4 Zero half: 14 Explored 601 nodes (3738 simplex iterations) in 2.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278600000000e+04, best bound 1.278600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (16, 33), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 381 rows, 1128 columns and 93105 nonzeros Presolve time: 0.05s Presolved: 381 rows, 1128 columns, 93105 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.0294 0 44 12833.0000 12551.0294 2.20% - 0s 0 0 12551.0294 0 39 12833.0000 12551.0294 2.20% - 0s 0 0 12551.0294 0 44 12833.0000 12551.0294 2.20% - 0s 0 0 12556.3553 0 40 12833.0000 12556.3553 2.16% - 0s 0 0 12558.0571 0 45 12833.0000 12558.0571 2.14% - 0s 0 0 12558.7500 0 52 12833.0000 12558.7500 2.14% - 0s 0 0 12559.6885 0 48 12833.0000 12559.6885 2.13% - 0s 0 0 12559.8725 0 58 12833.0000 12559.8725 2.13% - 0s 0 0 12560.3461 0 52 12833.0000 12560.3461 2.12% - 0s 0 0 12560.6122 0 62 12833.0000 12560.6122 2.12% - 0s 0 0 12560.9319 0 60 12833.0000 12560.9319 2.12% - 0s 0 0 12561.0603 0 60 12833.0000 12561.0603 2.12% - 0s 0 0 12561.3864 0 51 12833.0000 12561.3864 2.12% - 0s 0 0 12561.4534 0 54 12833.0000 12561.4534 2.12% - 0s 0 0 12561.4717 0 62 12833.0000 12561.4717 2.12% - 0s 0 0 12561.6410 0 60 12833.0000 12561.6410 2.11% - 0s 0 0 12561.9999 0 59 12833.0000 12561.9999 2.11% - 0s 0 0 12562.1728 0 58 12833.0000 12562.1728 2.11% - 0s 0 0 12563.3417 0 67 12833.0000 12563.3417 2.10% - 0s 0 0 12563.4281 0 65 12833.0000 12563.4281 2.10% - 0s 0 0 12563.7728 0 66 12833.0000 12563.7728 2.10% - 0s 0 0 12563.8503 0 66 12833.0000 12563.8503 2.10% - 0s 0 0 12564.0284 0 67 12833.0000 12564.0284 2.10% - 0s 0 0 12564.2097 0 67 12833.0000 12564.2097 2.09% - 0s 0 2 12564.2683 0 67 12833.0000 12564.2683 2.09% - 1s * 20 14 17 12790.000000 12614.0000 1.38% 10.8 1s * 85 49 8 12787.000000 12618.8261 1.32% 7.2 1s Cutting planes: Gomory: 4 Zero half: 17 Explored 569 nodes (3852 simplex iterations) in 1.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278700000000e+04, best bound 1.278700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (23, 40), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 382 rows, 1128 columns and 93483 nonzeros Presolve time: 0.05s Presolved: 382 rows, 1128 columns, 93483 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12835.000000 12538.0000 2.31% - 0s 0 0 12551.0294 0 44 12835.0000 12551.0294 2.21% - 0s 0 0 12551.0294 0 39 12835.0000 12551.0294 2.21% - 0s 0 0 12551.0294 0 44 12835.0000 12551.0294 2.21% - 0s 0 0 12556.3553 0 40 12835.0000 12556.3553 2.17% - 0s 0 0 12558.0571 0 45 12835.0000 12558.0571 2.16% - 0s 0 0 12558.7500 0 52 12835.0000 12558.7500 2.15% - 0s 0 0 12559.6885 0 48 12835.0000 12559.6885 2.15% - 0s 0 0 12559.8725 0 58 12835.0000 12559.8725 2.14% - 0s 0 0 12560.3461 0 52 12835.0000 12560.3461 2.14% - 0s 0 0 12560.6460 0 62 12835.0000 12560.6460 2.14% - 0s 0 0 12561.1119 0 57 12835.0000 12561.1119 2.13% - 0s 0 0 12561.1972 0 54 12835.0000 12561.1972 2.13% - 0s 0 0 12561.2300 0 60 12835.0000 12561.2300 2.13% - 0s 0 0 12561.2794 0 63 12835.0000 12561.2794 2.13% - 0s 0 0 12561.4996 0 56 12835.0000 12561.4996 2.13% - 0s H 0 0 12833.000000 12561.4996 2.12% - 0s 0 2 12561.6218 0 56 12833.0000 12561.6218 2.11% - 0s * 53 30 15 12827.000000 12615.3333 1.65% 7.6 1s * 76 43 20 12818.000000 12618.0455 1.56% 6.4 1s * 123 66 11 12794.000000 12640.3333 1.20% 6.3 1s * 168 74 12 12787.000000 12655.3333 1.03% 5.9 1s Cutting planes: Gomory: 3 Zero half: 10 Mod-K: 2 Explored 572 nodes (3594 simplex iterations) in 1.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278700000000e+04, best bound 1.278600000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (13, 21), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 383 rows, 1128 columns and 93783 nonzeros Presolve time: 0.05s Presolved: 383 rows, 1128 columns, 93783 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.0294 0 44 12833.0000 12551.0294 2.20% - 0s 0 0 12551.0294 0 39 12833.0000 12551.0294 2.20% - 0s 0 0 12551.0294 0 44 12833.0000 12551.0294 2.20% - 0s 0 0 12556.3553 0 40 12833.0000 12556.3553 2.16% - 0s 0 0 12558.0571 0 45 12833.0000 12558.0571 2.14% - 0s 0 0 12558.7500 0 52 12833.0000 12558.7500 2.14% - 0s 0 0 12559.6885 0 48 12833.0000 12559.6885 2.13% - 0s 0 0 12559.8725 0 58 12833.0000 12559.8725 2.13% - 0s 0 0 12560.3461 0 52 12833.0000 12560.3461 2.12% - 0s 0 0 12560.6122 0 62 12833.0000 12560.6122 2.12% - 0s 0 0 12560.9319 0 60 12833.0000 12560.9319 2.12% - 0s 0 0 12561.0603 0 60 12833.0000 12561.0603 2.12% - 0s 0 0 12561.3864 0 51 12833.0000 12561.3864 2.12% - 0s 0 0 12561.4534 0 54 12833.0000 12561.4534 2.12% - 0s 0 0 12561.4717 0 62 12833.0000 12561.4717 2.12% - 0s 0 0 12561.6410 0 60 12833.0000 12561.6410 2.11% - 0s 0 0 12561.9999 0 59 12833.0000 12561.9999 2.11% - 0s 0 0 12562.1536 0 59 12833.0000 12562.1536 2.11% - 0s 0 0 12562.3097 0 63 12833.0000 12562.3097 2.11% - 0s 0 0 12563.3253 0 67 12833.0000 12563.3253 2.10% - 0s 0 0 12563.6199 0 68 12833.0000 12563.6199 2.10% - 0s 0 0 12563.9815 0 67 12833.0000 12563.9815 2.10% - 0s 0 0 12564.2179 0 60 12833.0000 12564.2179 2.09% - 0s 0 0 12564.2920 0 68 12833.0000 12564.2920 2.09% - 0s 0 0 12564.4400 0 44 12833.0000 12564.4400 2.09% - 0s 0 0 12564.4434 0 63 12833.0000 12564.4434 2.09% - 0s 0 0 12564.4642 0 66 12833.0000 12564.4642 2.09% - 0s 0 2 12564.4745 0 66 12833.0000 12564.4745 2.09% - 1s H 131 82 12830.000000 12616.4000 1.66% 5.5 1s * 143 85 11 12822.000000 12624.5000 1.54% 5.7 1s * 163 93 18 12812.000000 12625.8077 1.45% 5.6 1s * 164 90 18 12806.000000 12625.8077 1.41% 5.6 1s * 170 87 11 12791.000000 12638.2308 1.19% 5.7 1s * 290 93 3 12790.000000 12671.6667 0.93% 5.8 1s * 316 102 20 12789.000000 12679.0000 0.86% 5.9 1s * 323 99 11 12788.000000 12684.0000 0.81% 5.9 1s * 526 74 19 12787.000000 12725.3333 0.48% 5.8 1s Cutting planes: Gomory: 3 Zero half: 17 Mod-K: 1 Explored 688 nodes (4188 simplex iterations) in 1.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278700000000e+04, best bound 1.278600000000e+04, gap 0.0078% adding cut for [(2, 17), (2, 38), (7, 28), (7, 37), (8, 19), (8, 28), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 384 rows, 1128 columns and 94014 nonzeros Presolve time: 0.05s Presolved: 384 rows, 1128 columns, 94014 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12879.000000 12538.0000 2.65% - 0s 0 0 12551.0294 0 44 12879.0000 12551.0294 2.55% - 0s 0 0 12551.0294 0 39 12879.0000 12551.0294 2.55% - 0s 0 0 12551.0294 0 44 12879.0000 12551.0294 2.55% - 0s 0 0 12551.9000 0 38 12879.0000 12551.9000 2.54% - 0s 0 0 12557.8914 0 45 12879.0000 12557.8914 2.49% - 0s 0 0 12558.6220 0 45 12879.0000 12558.6220 2.49% - 0s 0 0 12558.7593 0 52 12879.0000 12558.7593 2.49% - 0s 0 0 12559.6644 0 59 12879.0000 12559.6644 2.48% - 0s 0 0 12560.3584 0 61 12879.0000 12560.3584 2.47% - 0s 0 0 12561.0252 0 52 12879.0000 12561.0252 2.47% - 0s 0 0 12561.0594 0 54 12879.0000 12561.0594 2.47% - 0s 0 0 12561.0669 0 64 12879.0000 12561.0669 2.47% - 0s 0 0 12561.3097 0 59 12879.0000 12561.3097 2.47% - 0s 0 0 12561.6784 0 51 12879.0000 12561.6784 2.46% - 0s 0 0 12561.7677 0 59 12879.0000 12561.7677 2.46% - 0s 0 0 12561.8423 0 49 12879.0000 12561.8423 2.46% - 0s 0 0 12561.9160 0 62 12879.0000 12561.9160 2.46% - 0s 0 0 12562.0723 0 50 12879.0000 12562.0723 2.46% - 0s 0 0 12562.1527 0 60 12879.0000 12562.1527 2.46% - 0s 0 0 12562.1961 0 56 12879.0000 12562.1961 2.46% - 0s 0 0 12562.8865 0 62 12879.0000 12562.8865 2.45% - 0s 0 0 12562.9508 0 69 12879.0000 12562.9508 2.45% - 0s 0 0 12563.3138 0 62 12879.0000 12563.3138 2.45% - 0s 0 0 12563.3994 0 67 12879.0000 12563.3994 2.45% - 0s 0 0 12563.4326 0 69 12879.0000 12563.4326 2.45% - 0s 0 0 12563.6120 0 66 12879.0000 12563.6120 2.45% - 0s 0 0 12563.6833 0 68 12879.0000 12563.6833 2.45% - 0s 0 0 12563.8519 0 66 12879.0000 12563.8519 2.45% - 0s 0 0 12563.8675 0 58 12879.0000 12563.8675 2.45% - 0s 0 0 12563.8772 0 69 12879.0000 12563.8772 2.45% - 0s H 0 0 12830.000000 12563.8772 2.07% - 1s 0 2 12563.9367 0 69 12830.0000 12563.9367 2.07% - 1s * 21 15 19 12791.000000 12590.9167 1.56% 11.1 1s * 40 17 15 12788.000000 12612.6000 1.37% 10.3 1s * 260 79 12 12787.000000 12674.6667 0.88% 5.8 1s Cutting planes: Gomory: 4 Zero half: 14 Explored 634 nodes (3943 simplex iterations) in 2.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278700000000e+04, best bound 1.278700000000e+04, gap 0.0% adding cut for [(34, 41), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (13, 46), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 385 rows, 1128 columns and 94224 nonzeros Presolve time: 0.05s Presolved: 385 rows, 1128 columns, 94224 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12903.000000 12538.0000 2.83% - 0s 0 0 12551.0294 0 44 12903.0000 12551.0294 2.73% - 0s 0 0 12551.0294 0 39 12903.0000 12551.0294 2.73% - 0s 0 0 12551.0294 0 44 12903.0000 12551.0294 2.73% - 0s 0 0 12556.3553 0 40 12903.0000 12556.3553 2.69% - 0s 0 0 12558.0571 0 45 12903.0000 12558.0571 2.67% - 0s 0 0 12558.7500 0 52 12903.0000 12558.7500 2.67% - 0s 0 0 12560.2157 0 47 12903.0000 12560.2157 2.66% - 0s 0 0 12560.3382 0 55 12903.0000 12560.3382 2.66% - 0s 0 0 12560.7943 0 52 12903.0000 12560.7943 2.65% - 0s 0 0 12560.8394 0 55 12903.0000 12560.8394 2.65% - 0s 0 0 12560.8661 0 61 12903.0000 12560.8661 2.65% - 0s 0 0 12561.2857 0 43 12903.0000 12561.2857 2.65% - 0s 0 0 12561.3366 0 49 12903.0000 12561.3366 2.65% - 0s 0 0 12561.4263 0 58 12903.0000 12561.4263 2.65% - 0s 0 0 12561.4281 0 58 12903.0000 12561.4281 2.65% - 0s 0 0 12561.4294 0 62 12903.0000 12561.4294 2.65% - 0s 0 0 12561.4754 0 62 12903.0000 12561.4754 2.65% - 0s 0 0 12561.4799 0 55 12903.0000 12561.4799 2.65% - 0s 0 0 12561.5078 0 61 12903.0000 12561.5078 2.65% - 0s H 0 0 12788.000000 12561.5078 1.77% - 1s 0 2 12561.5257 0 61 12788.0000 12561.5257 1.77% - 1s Cutting planes: Gomory: 4 Zero half: 8 Mod-K: 2 Explored 664 nodes (3811 simplex iterations) in 1.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278800000000e+04, best bound 1.278800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 386 rows, 1128 columns and 94524 nonzeros Presolve time: 0.05s Presolved: 386 rows, 1128 columns, 94524 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12886.000000 12538.0000 2.70% - 0s 0 0 12551.2188 0 44 12886.0000 12551.2188 2.60% - 0s 0 0 12551.2188 0 39 12886.0000 12551.2188 2.60% - 0s 0 0 12551.2188 0 44 12886.0000 12551.2188 2.60% - 0s 0 0 12556.5385 0 45 12886.0000 12556.5385 2.56% - 0s 0 0 12558.0571 0 45 12886.0000 12558.0571 2.54% - 0s H 0 0 12851.000000 12558.0571 2.28% - 0s 0 0 12558.8125 0 53 12851.0000 12558.8125 2.27% - 0s 0 0 12559.9444 0 50 12851.0000 12559.9444 2.26% - 0s 0 0 12560.1212 0 58 12851.0000 12560.1212 2.26% - 0s 0 0 12560.4276 0 51 12851.0000 12560.4276 2.26% - 0s 0 0 12560.5463 0 59 12851.0000 12560.5463 2.26% - 0s 0 0 12560.7355 0 49 12851.0000 12560.7355 2.26% - 0s 0 0 12560.8770 0 60 12851.0000 12560.8770 2.26% - 0s 0 0 12561.0509 0 62 12851.0000 12561.0509 2.26% - 0s 0 0 12561.2820 0 57 12851.0000 12561.2820 2.25% - 0s 0 0 12561.6397 0 56 12851.0000 12561.6397 2.25% - 0s 0 0 12561.6698 0 64 12851.0000 12561.6698 2.25% - 0s 0 0 12561.9676 0 57 12851.0000 12561.9676 2.25% - 0s 0 0 12562.0286 0 62 12851.0000 12562.0286 2.25% - 0s 0 0 12562.3350 0 57 12851.0000 12562.3350 2.25% - 0s 0 0 12562.3775 0 62 12851.0000 12562.3775 2.25% - 0s 0 0 12562.4078 0 61 12851.0000 12562.4078 2.25% - 0s 0 0 12562.4918 0 66 12851.0000 12562.4918 2.25% - 0s 0 0 12562.6432 0 66 12851.0000 12562.6432 2.24% - 0s 0 0 12562.7415 0 69 12851.0000 12562.7415 2.24% - 0s 0 0 12562.8717 0 65 12851.0000 12562.8717 2.24% - 0s 0 0 12563.0730 0 71 12851.0000 12563.0730 2.24% - 0s 0 0 12563.1449 0 68 12851.0000 12563.1449 2.24% - 0s 0 0 12566.1238 0 52 12851.0000 12566.1238 2.22% - 0s 0 0 12566.2906 0 57 12851.0000 12566.2906 2.22% - 0s 0 0 12566.5377 0 64 12851.0000 12566.5377 2.21% - 0s 0 0 12566.6474 0 67 12851.0000 12566.6474 2.21% - 0s 0 0 12566.6474 0 67 12851.0000 12566.6474 2.21% - 1s H 0 0 12829.000000 12566.6474 2.04% - 1s 0 2 12566.7687 0 67 12829.0000 12566.7687 2.04% - 1s * 34 17 31 12810.000000 12590.6667 1.71% 6.1 1s * 77 39 16 12796.000000 12614.0000 1.42% 6.3 1s * 105 57 18 12792.000000 12615.0000 1.38% 5.9 1s * 111 58 23 12791.000000 12615.0000 1.38% 5.8 1s * 148 61 8 12790.000000 12624.0000 1.30% 5.9 1s * 468 73 9 12788.000000 12715.0000 0.57% 5.6 1s Cutting planes: Gomory: 1 Zero half: 10 Mod-K: 4 Explored 660 nodes (4038 simplex iterations) in 1.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278800000000e+04, best bound 1.278800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 387 rows, 1128 columns and 94777 nonzeros Presolve time: 0.05s Presolved: 387 rows, 1128 columns, 94777 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12835.000000 12538.0000 2.31% - 0s 0 0 12551.2188 0 44 12835.0000 12551.2187 2.21% - 0s 0 0 12551.2187 0 39 12835.0000 12551.2187 2.21% - 0s 0 0 12551.2188 0 44 12835.0000 12551.2188 2.21% - 0s 0 0 12557.8000 0 37 12835.0000 12557.8000 2.16% - 0s 0 0 12558.0571 0 45 12835.0000 12558.0571 2.16% - 0s 0 0 12561.4873 0 41 12835.0000 12561.4873 2.13% - 0s 0 0 12561.8291 0 49 12835.0000 12561.8291 2.13% - 0s 0 0 12562.7647 0 42 12835.0000 12562.7647 2.12% - 0s 0 0 12562.7727 0 35 12835.0000 12562.7727 2.12% - 0s 0 0 12563.7767 0 56 12835.0000 12563.7767 2.11% - 0s 0 0 12564.5669 0 38 12835.0000 12564.5669 2.11% - 0s 0 0 12564.5728 0 52 12835.0000 12564.5728 2.11% - 0s 0 0 12564.6621 0 60 12835.0000 12564.6621 2.11% - 0s 0 0 12564.8108 0 61 12835.0000 12564.8108 2.11% - 0s 0 0 12564.8151 0 61 12835.0000 12564.8151 2.11% - 0s 0 0 12564.9363 0 61 12835.0000 12564.9363 2.10% - 0s 0 0 12565.3303 0 54 12835.0000 12565.3303 2.10% - 0s 0 0 12565.5123 0 60 12835.0000 12565.5123 2.10% - 0s 0 0 12565.7144 0 58 12835.0000 12565.7144 2.10% - 0s 0 0 12565.7812 0 52 12835.0000 12565.7812 2.10% - 0s 0 0 12565.8277 0 56 12835.0000 12565.8277 2.10% - 0s 0 0 12565.8308 0 64 12835.0000 12565.8308 2.10% - 0s 0 0 12565.8369 0 51 12835.0000 12565.8369 2.10% - 0s H 0 0 12833.000000 12565.8369 2.08% - 1s 0 2 12565.9635 0 51 12833.0000 12565.9635 2.08% - 1s H 45 19 12798.000000 12593.0000 1.60% 6.4 1s * 99 53 30 12794.000000 12614.0000 1.41% 5.6 1s * 179 77 17 12791.000000 12646.4000 1.13% 5.7 1s * 331 124 15 12789.000000 12677.5000 0.87% 5.4 1s * 608 120 19 12788.000000 12714.0000 0.58% 5.2 1s Cutting planes: Gomory: 5 Zero half: 7 Mod-K: 3 Explored 848 nodes (4787 simplex iterations) in 1.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278800000000e+04, best bound 1.278800000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 388 rows, 1128 columns and 95077 nonzeros Presolve time: 0.05s Presolved: 388 rows, 1128 columns, 95077 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12892.000000 12538.0000 2.75% - 0s 0 0 12551.2188 0 44 12892.0000 12551.2188 2.64% - 0s 0 0 12551.2188 0 39 12892.0000 12551.2188 2.64% - 0s 0 0 12551.2569 0 44 12892.0000 12551.2569 2.64% - 0s H 0 0 12883.000000 12551.2569 2.58% - 0s 0 0 12557.8000 0 37 12883.0000 12557.8000 2.52% - 0s 0 0 12563.8293 0 49 12883.0000 12563.8293 2.48% - 0s 0 0 12563.8923 0 51 12883.0000 12563.8923 2.48% - 0s 0 0 12564.1054 0 55 12883.0000 12564.1054 2.48% - 0s 0 0 12565.0099 0 49 12883.0000 12565.0099 2.47% - 0s 0 0 12565.1429 0 56 12883.0000 12565.1429 2.47% - 0s 0 0 12565.2093 0 59 12883.0000 12565.2093 2.47% - 0s 0 0 12565.4218 0 60 12883.0000 12565.4218 2.47% - 0s 0 0 12565.7836 0 53 12883.0000 12565.7836 2.46% - 0s 0 0 12565.9033 0 61 12883.0000 12565.9033 2.46% - 0s 0 0 12566.2780 0 61 12883.0000 12566.2780 2.46% - 0s 0 0 12566.6425 0 64 12883.0000 12566.6425 2.46% - 0s 0 0 12566.9486 0 52 12883.0000 12566.9486 2.45% - 0s 0 0 12567.0488 0 61 12883.0000 12567.0488 2.45% - 0s 0 0 12568.3182 0 55 12883.0000 12568.3182 2.44% - 0s 0 0 12569.2499 0 64 12883.0000 12569.2499 2.44% - 0s 0 0 12569.6537 0 61 12883.0000 12569.6537 2.43% - 0s 0 0 12569.6547 0 62 12883.0000 12569.6547 2.43% - 0s 0 0 12569.6648 0 67 12883.0000 12569.6648 2.43% - 0s 0 0 12569.7840 0 65 12883.0000 12569.7840 2.43% - 0s H 0 0 12882.000000 12569.7840 2.42% - 1s H 0 0 12879.000000 12569.7840 2.40% - 1s H 0 0 12797.000000 12569.7840 1.78% - 1s H 0 0 12788.000000 12569.7840 1.71% - 1s 0 2 12569.8343 0 65 12788.0000 12569.8343 1.71% - 1s Cutting planes: Gomory: 4 Cover: 2 Zero half: 10 Mod-K: 2 Explored 642 nodes (4057 simplex iterations) in 1.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278800000000e+04, best bound 1.278700000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (16, 33), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 389 rows, 1128 columns and 95330 nonzeros Presolve time: 0.05s Presolved: 389 rows, 1128 columns, 95330 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.2188 0 44 12833.0000 12551.2187 2.20% - 0s 0 0 12551.2187 0 39 12833.0000 12551.2187 2.20% - 0s 0 0 12551.2188 0 44 12833.0000 12551.2188 2.20% - 0s 0 0 12556.5385 0 45 12833.0000 12556.5385 2.15% - 0s 0 0 12558.0571 0 45 12833.0000 12558.0571 2.14% - 0s 0 0 12558.8125 0 53 12833.0000 12558.8125 2.14% - 0s 0 0 12559.9444 0 50 12833.0000 12559.9444 2.13% - 0s 0 0 12560.1212 0 58 12833.0000 12560.1212 2.13% - 0s 0 0 12560.5902 0 52 12833.0000 12560.5902 2.12% - 0s 0 0 12560.6481 0 58 12833.0000 12560.6481 2.12% - 0s 0 0 12560.7667 0 53 12833.0000 12560.7667 2.12% - 0s 0 0 12560.8148 0 62 12833.0000 12560.8148 2.12% - 0s 0 0 12561.4101 0 58 12833.0000 12561.4101 2.12% - 0s 0 0 12562.3624 0 56 12833.0000 12562.3624 2.11% - 0s 0 0 12562.4028 0 61 12833.0000 12562.4028 2.11% - 0s 0 0 12562.4385 0 53 12833.0000 12562.4385 2.11% - 0s 0 0 12563.5504 0 58 12833.0000 12563.5504 2.10% - 0s 0 0 12563.6160 0 60 12833.0000 12563.6160 2.10% - 0s 0 0 12563.6690 0 63 12833.0000 12563.6690 2.10% - 0s 0 0 12563.9339 0 57 12833.0000 12563.9339 2.10% - 0s 0 0 12564.0116 0 63 12833.0000 12564.0116 2.10% - 0s 0 0 12564.0902 0 58 12833.0000 12564.0902 2.10% - 0s 0 0 12564.1685 0 63 12833.0000 12564.1685 2.09% - 0s 0 2 12564.2425 0 63 12833.0000 12564.2425 2.09% - 1s * 19 11 16 12825.000000 12614.0000 1.65% 9.7 1s * 21 9 16 12824.000000 12614.0000 1.64% 9.1 1s H 27 13 12798.000000 12615.3333 1.43% 8.6 1s * 96 44 13 12790.000000 12626.9615 1.27% 6.4 1s * 330 56 8 12789.000000 12690.0000 0.77% 5.9 1s Cutting planes: Gomory: 3 Zero half: 10 Mod-K: 1 Explored 565 nodes (3579 simplex iterations) in 1.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278900000000e+04, best bound 1.278800000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 390 rows, 1128 columns and 95606 nonzeros Presolve time: 0.05s Presolved: 390 rows, 1128 columns, 95606 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12872.000000 12538.0000 2.59% - 0s 0 0 12551.2188 0 44 12872.0000 12551.2188 2.49% - 0s 0 0 12551.2188 0 39 12872.0000 12551.2188 2.49% - 0s 0 0 12551.2188 0 44 12872.0000 12551.2188 2.49% - 0s 0 0 12556.5385 0 45 12872.0000 12556.5385 2.45% - 0s 0 0 12558.0571 0 45 12872.0000 12558.0571 2.44% - 0s 0 0 12558.8125 0 53 12872.0000 12558.8125 2.43% - 0s 0 0 12559.9444 0 50 12872.0000 12559.9444 2.42% - 0s 0 0 12560.1212 0 58 12872.0000 12560.1212 2.42% - 0s 0 0 12560.4595 0 53 12872.0000 12560.4595 2.42% - 0s 0 0 12560.6595 0 57 12872.0000 12560.6595 2.42% - 0s 0 0 12560.8871 0 63 12872.0000 12560.8871 2.42% - 0s 0 0 12561.2196 0 63 12872.0000 12561.2196 2.41% - 0s 0 0 12561.3439 0 63 12872.0000 12561.3439 2.41% - 0s 0 0 12561.4638 0 58 12872.0000 12561.4638 2.41% - 0s 0 0 12561.4875 0 63 12872.0000 12561.4875 2.41% - 0s 0 0 12561.5537 0 59 12872.0000 12561.5537 2.41% - 0s 0 0 12561.5992 0 66 12872.0000 12561.5992 2.41% - 0s 0 0 12561.6329 0 65 12872.0000 12561.6329 2.41% - 0s 0 0 12561.6689 0 63 12872.0000 12561.6689 2.41% - 0s 0 0 12561.8771 0 61 12872.0000 12561.8771 2.41% - 0s 0 0 12562.1401 0 66 12872.0000 12562.1401 2.41% - 0s 0 0 12562.6525 0 63 12872.0000 12562.6525 2.40% - 0s 0 0 12562.7247 0 63 12872.0000 12562.7247 2.40% - 0s 0 0 12562.8319 0 64 12872.0000 12562.8319 2.40% - 0s 0 0 12562.8378 0 64 12872.0000 12562.8378 2.40% - 0s 0 0 12562.8778 0 68 12872.0000 12562.8778 2.40% - 0s 0 0 12562.8988 0 71 12872.0000 12562.8988 2.40% - 0s H 0 0 12797.000000 12562.8988 1.83% - 1s 0 2 12562.9244 0 71 12797.0000 12562.9244 1.83% - 1s * 29 18 25 12791.000000 12617.0000 1.36% 9.0 1s * 50 28 16 12789.000000 12622.6429 1.30% 9.0 1s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 2 Explored 624 nodes (4165 simplex iterations) in 2.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.278900000000e+04, best bound 1.278900000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (13, 21), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 391 rows, 1128 columns and 95859 nonzeros Presolve time: 0.05s Presolved: 391 rows, 1128 columns, 95859 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.2188 0 44 12833.0000 12551.2187 2.20% - 0s 0 0 12551.2187 0 39 12833.0000 12551.2187 2.20% - 0s 0 0 12551.2188 0 44 12833.0000 12551.2188 2.20% - 0s 0 0 12556.5385 0 45 12833.0000 12556.5385 2.15% - 0s 0 0 12558.0571 0 45 12833.0000 12558.0571 2.14% - 0s 0 0 12558.8125 0 53 12833.0000 12558.8125 2.14% - 0s 0 0 12559.9444 0 50 12833.0000 12559.9444 2.13% - 0s 0 0 12560.1212 0 58 12833.0000 12560.1212 2.13% - 0s 0 0 12560.5902 0 52 12833.0000 12560.5902 2.12% - 0s 0 0 12560.6481 0 58 12833.0000 12560.6481 2.12% - 0s 0 0 12560.7621 0 61 12833.0000 12560.7621 2.12% - 0s 0 0 12560.9499 0 58 12833.0000 12560.9499 2.12% - 0s 0 0 12561.2638 0 55 12833.0000 12561.2638 2.12% - 0s 0 0 12561.3902 0 63 12833.0000 12561.3902 2.12% - 0s 0 0 12561.6360 0 62 12833.0000 12561.6360 2.11% - 0s 0 0 12561.7952 0 60 12833.0000 12561.7952 2.11% - 0s 0 0 12561.8646 0 62 12833.0000 12561.8646 2.11% - 0s 0 0 12562.1980 0 62 12833.0000 12562.1980 2.11% - 0s 0 0 12562.2412 0 64 12833.0000 12562.2412 2.11% - 0s 0 0 12562.3619 0 65 12833.0000 12562.3619 2.11% - 0s 0 2 12562.3690 0 65 12833.0000 12562.3690 2.11% - 1s * 23 11 22 12792.000000 12588.0769 1.59% 10.1 1s * 177 58 18 12791.000000 12662.5000 1.00% 6.8 1s * 257 72 6 12790.000000 12675.8000 0.89% 6.5 1s Cutting planes: Gomory: 4 Zero half: 11 Mod-K: 4 Explored 645 nodes (4106 simplex iterations) in 1.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279000000000e+04, best bound 1.279000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 392 rows, 1128 columns and 96237 nonzeros Presolve time: 0.05s Presolved: 392 rows, 1128 columns, 96237 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start 0 0 12551.3125 0 44 47372.0000 12551.3125 73.5% - 0s 0 0 12556.5385 0 45 47372.0000 12556.5385 73.5% - 0s 0 0 12558.0571 0 45 47372.0000 12558.0571 73.5% - 0s 0 0 12558.8125 0 53 47372.0000 12558.8125 73.5% - 0s 0 0 12559.7213 0 56 47372.0000 12559.7213 73.5% - 0s 0 0 12560.2641 0 59 47372.0000 12560.2641 73.5% - 0s 0 0 12560.8488 0 52 47372.0000 12560.8488 73.5% - 0s 0 0 12560.9585 0 63 47372.0000 12560.9585 73.5% - 0s 0 0 12561.4198 0 53 47372.0000 12561.4198 73.5% - 0s 0 0 12561.5709 0 58 47372.0000 12561.5709 73.5% - 0s 0 0 12561.7592 0 57 47372.0000 12561.7592 73.5% - 0s 0 0 12561.8660 0 62 47372.0000 12561.8660 73.5% - 0s 0 0 12561.9444 0 62 47372.0000 12561.9444 73.5% - 0s 0 0 12562.0294 0 62 47372.0000 12562.0294 73.5% - 0s 0 0 12562.2325 0 59 47372.0000 12562.2325 73.5% - 1s 0 0 12563.1291 0 63 47372.0000 12563.1291 73.5% - 1s 0 0 12563.2423 0 68 47372.0000 12563.2423 73.5% - 1s H 0 0 15334.000000 12563.2423 18.1% - 1s H 0 0 12993.000000 12563.2423 3.31% - 1s H 0 0 12863.000000 12563.2423 2.33% - 1s 0 0 12563.4236 0 64 12863.0000 12563.4236 2.33% - 1s 0 0 12563.4236 0 39 12863.0000 12563.4236 2.33% - 1s 0 0 12563.4236 0 47 12863.0000 12563.4236 2.33% - 1s H 0 0 12862.000000 12563.4236 2.32% - 1s 0 0 12563.4236 0 59 12862.0000 12563.4236 2.32% - 1s 0 0 12563.4236 0 64 12862.0000 12563.4236 2.32% - 1s 0 0 12563.5141 0 66 12862.0000 12563.5141 2.32% - 1s 0 0 12563.5486 0 65 12862.0000 12563.5486 2.32% - 1s 0 0 12563.6353 0 68 12862.0000 12563.6353 2.32% - 1s 0 0 12564.2992 0 55 12862.0000 12564.2992 2.31% - 1s 0 0 12564.3393 0 52 12862.0000 12564.3393 2.31% - 1s 0 0 12564.4990 0 64 12862.0000 12564.4990 2.31% - 1s 0 0 12564.5644 0 64 12862.0000 12564.5644 2.31% - 1s H 0 0 12819.000000 12564.5644 1.98% - 1s 0 2 12564.6590 0 64 12819.0000 12564.6590 1.98% - 2s * 41 14 34 12795.000000 12602.6000 1.50% 6.4 2s * 96 42 12 12794.000000 12628.3659 1.29% 6.3 2s * 213 79 12 12792.000000 12663.5000 1.00% 5.8 2s * 464 90 13 12791.000000 12707.0000 0.66% 6.0 2s * 609 63 14 12790.000000 12741.0000 0.38% 5.7 2s Cutting planes: Gomory: 5 Zero half: 14 Explored 740 nodes (4414 simplex iterations) in 2.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279000000000e+04, best bound 1.279000000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 393 rows, 1128 columns and 96588 nonzeros Presolve time: 0.05s Presolved: 393 rows, 1128 columns, 96588 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12538.0000 2.64% - 0s 0 0 12551.2188 0 44 12878.0000 12551.2188 2.54% - 0s 0 0 12551.2188 0 39 12878.0000 12551.2188 2.54% - 0s 0 0 12551.2188 0 44 12878.0000 12551.2188 2.54% - 0s 0 0 12557.8000 0 37 12878.0000 12557.8000 2.49% - 0s 0 0 12558.0571 0 45 12878.0000 12558.0571 2.48% - 0s 0 0 12563.0282 0 44 12878.0000 12563.0282 2.45% - 0s 0 0 12563.3377 0 54 12878.0000 12563.3377 2.44% - 0s 0 0 12564.6335 0 50 12878.0000 12564.6335 2.43% - 0s 0 0 12564.7274 0 58 12878.0000 12564.7274 2.43% - 0s 0 0 12565.1915 0 50 12878.0000 12565.1915 2.43% - 0s 0 0 12565.2597 0 59 12878.0000 12565.2597 2.43% - 0s 0 0 12565.4194 0 50 12878.0000 12565.4194 2.43% - 0s 0 0 12565.5499 0 58 12878.0000 12565.5499 2.43% - 0s 0 0 12565.9876 0 61 12878.0000 12565.9876 2.42% - 0s H 0 0 12797.000000 12565.9876 1.81% - 0s 0 2 12566.0838 0 61 12797.0000 12566.0838 1.80% - 0s * 29 19 25 12791.000000 12588.0000 1.59% 6.4 0s * 251 81 20 12790.000000 12662.4444 1.00% 5.8 1s Cutting planes: Gomory: 4 Zero half: 8 Explored 633 nodes (3899 simplex iterations) in 1.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279000000000e+04, best bound 1.279000000000e+04, gap 0.0% adding cut for [(4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 394 rows, 1128 columns and 96841 nonzeros Presolve time: 0.05s Presolved: 394 rows, 1128 columns, 96841 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12888.000000 12538.0000 2.72% - 0s 0 0 12551.2188 0 44 12888.0000 12551.2188 2.61% - 0s 0 0 12551.2188 0 39 12888.0000 12551.2188 2.61% - 0s 0 0 12551.2188 0 44 12888.0000 12551.2188 2.61% - 0s 0 0 12556.5385 0 45 12888.0000 12556.5385 2.57% - 0s 0 0 12558.0571 0 45 12888.0000 12558.0571 2.56% - 0s H 0 0 12846.000000 12558.0571 2.24% - 0s 0 0 12558.8125 0 53 12846.0000 12558.8125 2.24% - 0s 0 0 12559.9444 0 50 12846.0000 12559.9444 2.23% - 0s 0 0 12560.0918 0 58 12846.0000 12560.0918 2.23% - 0s 0 0 12560.4276 0 51 12846.0000 12560.4276 2.22% - 0s 0 0 12560.6082 0 55 12846.0000 12560.6082 2.22% - 0s 0 0 12560.6639 0 61 12846.0000 12560.6639 2.22% - 0s 0 0 12561.1651 0 57 12846.0000 12561.1651 2.22% - 0s 0 0 12561.2786 0 51 12846.0000 12561.2786 2.22% - 0s 0 0 12561.3342 0 63 12846.0000 12561.3342 2.22% - 0s 0 0 12561.3827 0 62 12846.0000 12561.3827 2.22% - 0s 0 0 12561.6391 0 56 12846.0000 12561.6391 2.21% - 0s 0 0 12561.7442 0 65 12846.0000 12561.7442 2.21% - 0s 0 0 12562.0694 0 44 12846.0000 12562.0694 2.21% - 0s 0 0 12562.2066 0 66 12846.0000 12562.2066 2.21% - 0s H 0 0 12818.000000 12562.2066 2.00% - 0s H 0 0 12797.000000 12562.2066 1.83% - 1s 0 2 12562.3045 0 66 12797.0000 12562.3045 1.83% - 1s * 60 26 17 12792.000000 12615.0000 1.38% 7.1 1s * 243 76 11 12790.000000 12669.0000 0.95% 5.9 1s Cutting planes: Gomory: 3 Zero half: 14 Mod-K: 2 Explored 703 nodes (4415 simplex iterations) in 1.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279000000000e+04, best bound 1.279000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 395 rows, 1128 columns and 97117 nonzeros Presolve time: 0.05s Presolved: 395 rows, 1128 columns, 97117 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12880.000000 12538.0000 2.66% - 0s 0 0 12551.2292 0 44 12880.0000 12551.2292 2.55% - 0s 0 0 12551.2292 0 39 12880.0000 12551.2292 2.55% - 0s 0 0 12551.2292 0 44 12880.0000 12551.2292 2.55% - 0s 0 0 12556.0361 0 43 12880.0000 12556.0361 2.52% - 0s 0 0 12558.0227 0 45 12880.0000 12558.0227 2.50% - 0s H 0 0 12833.000000 12558.0227 2.14% - 0s 0 0 12558.7407 0 55 12833.0000 12558.7407 2.14% - 0s 0 0 12560.2136 0 47 12833.0000 12560.2136 2.13% - 0s 0 0 12560.3431 0 50 12833.0000 12560.3431 2.12% - 0s 0 0 12560.4392 0 50 12833.0000 12560.4392 2.12% - 0s 0 0 12560.7222 0 58 12833.0000 12560.7222 2.12% - 0s 0 0 12560.8146 0 51 12833.0000 12560.8146 2.12% - 0s 0 0 12561.0458 0 60 12833.0000 12561.0458 2.12% - 0s 0 0 12561.3440 0 56 12833.0000 12561.3440 2.12% - 0s 0 0 12561.6672 0 58 12833.0000 12561.6672 2.11% - 0s 0 0 12561.6830 0 54 12833.0000 12561.6830 2.11% - 0s 0 0 12561.7521 0 62 12833.0000 12561.7521 2.11% - 0s 0 0 12561.9443 0 52 12833.0000 12561.9443 2.11% - 0s 0 0 12562.0246 0 59 12833.0000 12562.0246 2.11% - 0s 0 0 12562.0440 0 60 12833.0000 12562.0440 2.11% - 0s 0 0 12562.0897 0 63 12833.0000 12562.0897 2.11% - 0s 0 0 12562.3637 0 59 12833.0000 12562.3637 2.11% - 0s 0 0 12562.3841 0 63 12833.0000 12562.3841 2.11% - 0s 0 2 12562.4294 0 63 12833.0000 12562.4294 2.11% - 1s * 31 19 24 12819.000000 12588.7857 1.80% 7.7 1s * 76 38 27 12795.000000 12617.3333 1.39% 7.1 1s * 227 78 10 12794.000000 12669.5000 0.97% 6.0 1s * 320 95 19 12791.000000 12674.7273 0.91% 5.5 1s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 1 Explored 798 nodes (4516 simplex iterations) in 2.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279100000000e+04, best bound 1.279000000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 396 rows, 1128 columns and 97393 nonzeros Presolve time: 0.05s Presolved: 396 rows, 1128 columns, 97393 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12962.000000 12538.0000 3.27% - 0s 0 0 12551.2292 0 44 12962.0000 12551.2292 3.17% - 0s 0 0 12551.2292 0 39 12962.0000 12551.2292 3.17% - 0s H 0 0 12943.000000 12551.2292 3.03% - 0s 0 0 12551.2292 0 44 12943.0000 12551.2292 3.03% - 0s H 0 0 12921.000000 12551.2292 2.86% - 0s 0 0 12557.8000 0 37 12921.0000 12557.8000 2.81% - 0s 0 0 12558.0571 0 45 12921.0000 12558.0571 2.81% - 0s 0 0 12567.0741 0 42 12921.0000 12567.0741 2.74% - 0s 0 0 12567.2099 0 50 12921.0000 12567.2099 2.74% - 0s 0 0 12567.7048 0 43 12921.0000 12567.7048 2.73% - 0s 0 0 12568.0701 0 53 12921.0000 12568.0701 2.73% - 0s 0 0 12568.4517 0 58 12921.0000 12568.4517 2.73% - 0s 0 0 12569.6644 0 59 12921.0000 12569.6644 2.72% - 0s 0 0 12573.3812 0 55 12921.0000 12573.3812 2.69% - 0s 0 0 12573.3856 0 56 12921.0000 12573.3856 2.69% - 0s 0 0 12573.3889 0 58 12921.0000 12573.3889 2.69% - 0s 0 0 12573.4168 0 62 12921.0000 12573.4168 2.69% - 0s 0 0 12574.3114 0 59 12921.0000 12574.3114 2.68% - 0s 0 0 12574.4107 0 63 12921.0000 12574.4107 2.68% - 0s 0 0 12574.9375 0 64 12921.0000 12574.9375 2.68% - 0s 0 0 12575.3997 0 57 12921.0000 12575.3997 2.67% - 0s 0 0 12575.6517 0 66 12921.0000 12575.6517 2.67% - 0s 0 0 12576.4218 0 61 12921.0000 12576.4218 2.67% - 0s 0 0 12576.5014 0 66 12921.0000 12576.5014 2.67% - 0s 0 0 12576.8642 0 65 12921.0000 12576.8642 2.66% - 1s 0 0 12577.0617 0 56 12921.0000 12577.0617 2.66% - 1s 0 0 12577.4873 0 67 12921.0000 12577.4873 2.66% - 1s 0 0 12577.7455 0 66 12921.0000 12577.7455 2.66% - 1s 0 0 12577.8522 0 67 12921.0000 12577.8522 2.66% - 1s 0 0 12577.8866 0 70 12921.0000 12577.8866 2.66% - 1s 0 0 12577.9706 0 68 12921.0000 12577.9706 2.65% - 1s 0 0 12577.9783 0 68 12921.0000 12577.9783 2.65% - 1s H 0 0 12846.000000 12577.9783 2.09% - 1s 0 2 12577.9916 0 68 12846.0000 12577.9916 2.09% - 1s * 33 24 27 12791.000000 12592.0000 1.56% 7.1 1s Cutting planes: Gomory: 5 Zero half: 18 Mod-K: 2 Explored 753 nodes (4611 simplex iterations) in 2.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279100000000e+04, best bound 1.279100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 397 rows, 1128 columns and 97646 nonzeros Presolve time: 0.05s Presolved: 397 rows, 1128 columns, 97646 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.2708 0 44 12833.0000 12551.2708 2.20% - 0s 0 0 12551.2708 0 39 12833.0000 12551.2708 2.20% - 0s 0 0 12551.2708 0 44 12833.0000 12551.2708 2.20% - 0s 0 0 12556.0361 0 43 12833.0000 12556.0361 2.16% - 0s 0 0 12558.0344 0 44 12833.0000 12558.0344 2.14% - 0s 0 0 12558.6797 0 46 12833.0000 12558.6797 2.14% - 0s 0 0 12558.9109 0 56 12833.0000 12558.9109 2.14% - 0s 0 0 12560.3092 0 45 12833.0000 12560.3092 2.12% - 0s 0 0 12560.4327 0 53 12833.0000 12560.4327 2.12% - 0s 0 0 12561.1626 0 53 12833.0000 12561.1626 2.12% - 0s 0 0 12561.2845 0 60 12833.0000 12561.2845 2.12% - 0s 0 0 12561.7437 0 52 12833.0000 12561.7437 2.11% - 0s 0 0 12561.7528 0 63 12833.0000 12561.7528 2.11% - 0s 0 0 12562.1425 0 61 12833.0000 12562.1425 2.11% - 0s 0 0 12562.1583 0 63 12833.0000 12562.1583 2.11% - 0s 0 0 12562.5413 0 57 12833.0000 12562.5413 2.11% - 0s 0 0 12562.6074 0 63 12833.0000 12562.6074 2.11% - 0s 0 0 12562.6576 0 66 12833.0000 12562.6576 2.11% - 0s 0 2 12562.6987 0 66 12833.0000 12562.6987 2.11% - 1s H 27 15 12821.000000 12615.0000 1.61% 8.3 1s * 46 19 42 12812.000000 12615.0000 1.54% 6.2 1s * 49 18 45 12802.000000 12615.0000 1.46% 6.0 1s * 74 30 24 12795.000000 12617.3333 1.39% 6.2 1s * 154 53 8 12794.000000 12641.1429 1.19% 6.0 1s * 244 71 14 12792.000000 12657.9167 1.05% 5.9 1s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 2 Explored 727 nodes (4469 simplex iterations) in 2.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279200000000e+04, best bound 1.279100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 398 rows, 1128 columns and 97877 nonzeros Presolve time: 0.05s Presolved: 398 rows, 1128 columns, 97877 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12979.000000 12538.0000 3.40% - 0s 0 0 12551.2708 0 44 12979.0000 12551.2708 3.30% - 0s 0 0 12551.2708 0 39 12979.0000 12551.2708 3.30% - 0s 0 0 12551.2708 0 44 12979.0000 12551.2708 3.30% - 0s 0 0 12557.8900 0 36 12979.0000 12557.8900 3.24% - 0s 0 0 12561.5955 0 42 12979.0000 12561.5955 3.22% - 0s H 0 0 12923.000000 12561.5955 2.80% - 0s 0 0 12561.5965 0 44 12923.0000 12561.5965 2.80% - 0s 0 0 12561.6927 0 55 12923.0000 12561.6927 2.80% - 0s H 0 0 12791.000000 12561.6927 1.79% - 0s 0 0 12562.9000 0 49 12791.0000 12562.9000 1.78% - 0s 0 2 12565.2455 0 49 12791.0000 12565.2455 1.76% - 0s Cutting planes: Gomory: 9 Zero half: 12 Mod-K: 1 Explored 913 nodes (5509 simplex iterations) in 2.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279100000000e+04, best bound 1.279000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46), (46, 47)] Optimize a model with 399 rows, 1128 columns and 98153 nonzeros Presolve time: 0.05s Presolved: 399 rows, 1128 columns, 98153 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12995.000000 12538.0000 3.52% - 0s 0 0 12551.2292 0 44 12995.0000 12551.2292 3.41% - 0s 0 0 12551.2292 0 39 12995.0000 12551.2292 3.41% - 0s 0 0 12551.2292 0 44 12995.0000 12551.2292 3.41% - 0s 0 0 12556.5385 0 45 12995.0000 12556.5385 3.37% - 0s 0 0 12558.0100 0 44 12995.0000 12558.0100 3.36% - 0s 0 0 12558.8125 0 50 12995.0000 12558.8125 3.36% - 0s 0 0 12558.8125 0 52 12995.0000 12558.8125 3.36% - 0s 0 0 12558.9293 0 48 12995.0000 12558.9293 3.36% - 0s H 0 0 12863.000000 12558.9293 2.36% - 0s 0 0 12559.0738 0 57 12863.0000 12559.0738 2.36% - 0s H 0 0 12822.000000 12559.0738 2.05% - 0s 0 2 12562.8701 0 57 12822.0000 12562.8701 2.02% - 0s H 41 21 12816.000000 12611.1059 1.60% 16.7 1s * 62 23 18 12799.000000 12625.1905 1.36% 14.5 1s * 97 39 22 12797.000000 12625.6667 1.34% 12.4 2s * 146 44 19 12792.000000 12656.0000 1.06% 10.3 2s Cutting planes: Gomory: 9 Zero half: 20 Mod-K: 1 Explored 593 nodes (4392 simplex iterations) in 2.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279200000000e+04, best bound 1.279100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 36), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 400 rows, 1128 columns and 98406 nonzeros Presolve time: 0.05s Presolved: 400 rows, 1128 columns, 98406 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start 0 0 12551.2292 0 44 47372.0000 12551.2292 73.5% - 0s 0 0 12557.8900 0 36 47372.0000 12557.8900 73.5% - 0s 0 0 12560.8966 0 38 47372.0000 12560.8966 73.5% - 0s 0 0 12561.4110 0 50 47372.0000 12561.4110 73.5% - 0s 0 0 12562.4762 0 42 47372.0000 12562.4762 73.5% - 0s 0 0 12562.5967 0 51 47372.0000 12562.5967 73.5% - 0s 0 0 12562.6744 0 59 47372.0000 12562.6744 73.5% - 0s 0 0 12562.8262 0 47 47372.0000 12562.8262 73.5% - 0s 0 0 12563.0631 0 62 47372.0000 12563.0631 73.5% - 0s 0 0 12564.3742 0 51 47372.0000 12564.3742 73.5% - 0s 0 0 12566.0273 0 57 47372.0000 12566.0273 73.5% - 0s 0 0 12566.3146 0 60 47372.0000 12566.3146 73.5% - 0s 0 0 12566.3572 0 62 47372.0000 12566.3572 73.5% - 0s 0 0 12566.4368 0 65 47372.0000 12566.4368 73.5% - 0s 0 0 12566.8268 0 56 47372.0000 12566.8268 73.5% - 0s 0 0 12566.8463 0 64 47372.0000 12566.8463 73.5% - 0s 0 0 12567.0343 0 61 47372.0000 12567.0343 73.5% - 0s H 0 0 14491.000000 12567.0343 13.3% - 0s H 0 0 13089.000000 12567.0343 3.99% - 0s H 0 0 13016.000000 12567.0343 3.45% - 0s 0 0 12567.0343 0 39 13016.0000 12567.0343 3.45% - 1s 0 0 12567.0343 0 46 13016.0000 12567.0343 3.45% - 1s 0 0 12567.0343 0 59 13016.0000 12567.0343 3.45% - 1s 0 0 12567.0343 0 57 13016.0000 12567.0343 3.45% - 1s 0 0 12567.0343 0 56 13016.0000 12567.0343 3.45% - 1s 0 0 12567.0438 0 61 13016.0000 12567.0438 3.45% - 1s 0 0 12567.1265 0 67 13016.0000 12567.1265 3.45% - 1s 0 0 12567.7070 0 56 13016.0000 12567.7070 3.44% - 1s 0 0 12567.7093 0 64 13016.0000 12567.7093 3.44% - 1s H 0 0 12833.000000 12567.7093 2.07% - 1s 0 2 12567.7651 0 64 12833.0000 12567.7651 2.07% - 1s * 38 19 34 12808.000000 12586.5305 1.73% 7.3 2s * 58 23 20 12807.000000 12620.0000 1.46% 6.7 2s * 100 45 17 12803.000000 12625.3333 1.39% 6.2 2s * 101 43 17 12795.000000 12625.3333 1.33% 6.1 2s * 264 86 20 12794.000000 12675.3636 0.93% 5.8 2s * 537 83 9 12792.000000 12714.7500 0.60% 6.0 2s Cutting planes: Gomory: 6 Zero half: 14 Explored 795 nodes (5007 simplex iterations) in 2.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279200000000e+04, best bound 1.279100000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 401 rows, 1128 columns and 98706 nonzeros Presolve time: 0.05s Presolved: 401 rows, 1128 columns, 98706 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12538.0000 2.64% - 0s 0 0 12551.2292 0 44 12878.0000 12551.2292 2.54% - 0s 0 0 12551.2292 0 39 12878.0000 12551.2292 2.54% - 0s 0 0 12551.2292 0 44 12878.0000 12551.2292 2.54% - 0s 0 0 12557.1031 0 44 12878.0000 12557.1031 2.49% - 0s 0 0 12557.2364 0 50 12878.0000 12557.2364 2.49% - 0s 0 0 12561.7873 0 39 12878.0000 12561.7873 2.46% - 0s 0 0 12562.0522 0 49 12878.0000 12562.0522 2.45% - 0s 0 0 12563.1233 0 45 12878.0000 12563.1233 2.45% - 0s 0 0 12564.1156 0 48 12878.0000 12564.1156 2.44% - 0s 0 0 12565.9978 0 53 12878.0000 12565.9978 2.42% - 0s 0 0 12566.2110 0 61 12878.0000 12566.2110 2.42% - 0s 0 0 12566.4501 0 39 12878.0000 12566.4501 2.42% - 0s 0 0 12569.4443 0 35 12878.0000 12569.4443 2.40% - 0s 0 0 12569.4672 0 43 12878.0000 12569.4672 2.40% - 0s 0 0 12569.5300 0 55 12878.0000 12569.5300 2.40% - 0s 0 0 12569.5626 0 43 12878.0000 12569.5626 2.40% - 0s 0 0 12569.6852 0 63 12878.0000 12569.6852 2.39% - 0s 0 0 12571.1712 0 46 12878.0000 12571.1712 2.38% - 0s 0 0 12571.2768 0 45 12878.0000 12571.2768 2.38% - 0s 0 0 12571.3486 0 46 12878.0000 12571.3486 2.38% - 0s 0 0 12571.4149 0 54 12878.0000 12571.4149 2.38% - 0s 0 0 12571.4930 0 54 12878.0000 12571.4930 2.38% - 0s 0 0 12571.5693 0 63 12878.0000 12571.5693 2.38% - 0s 0 0 12571.5879 0 64 12878.0000 12571.5879 2.38% - 0s 0 2 12571.6176 0 64 12878.0000 12571.6176 2.38% - 1s * 35 26 31 12868.000000 12606.6000 2.03% 5.5 1s H 54 39 12857.000000 12624.5000 1.81% 6.5 1s * 133 78 14 12795.000000 12635.0000 1.25% 5.3 1s * 367 128 12 12794.000000 12684.8750 0.85% 5.2 1s * 398 118 15 12793.000000 12686.5000 0.83% 5.3 1s Cutting planes: Gomory: 5 Zero half: 12 Explored 730 nodes (4273 simplex iterations) in 1.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279300000000e+04, best bound 1.279200000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 402 rows, 1128 columns and 98937 nonzeros Presolve time: 0.05s Presolved: 402 rows, 1128 columns, 98937 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12812.000000 12538.0000 2.14% - 0s 0 0 12551.1875 0 36 12812.0000 12551.1875 2.04% - 0s 0 0 12551.1875 0 39 12812.0000 12551.1875 2.04% - 0s 0 0 12551.1875 0 36 12812.0000 12551.1875 2.04% - 0s 0 0 12560.5429 0 45 12812.0000 12560.5429 1.96% - 0s 0 0 12570.0207 0 41 12812.0000 12570.0207 1.89% - 0s 0 0 12573.1884 0 56 12812.0000 12573.1884 1.86% - 0s 0 0 12575.1005 0 53 12812.0000 12575.1005 1.85% - 0s 0 0 12576.0795 0 50 12812.0000 12576.0795 1.84% - 0s 0 0 12576.2185 0 58 12812.0000 12576.2185 1.84% - 0s 0 0 12576.9096 0 61 12812.0000 12576.9096 1.83% - 0s 0 0 12577.3721 0 61 12812.0000 12577.3721 1.83% - 0s 0 0 12577.8795 0 51 12812.0000 12577.8795 1.83% - 0s 0 0 12577.9420 0 54 12812.0000 12577.9420 1.83% - 0s 0 0 12577.9675 0 59 12812.0000 12577.9675 1.83% - 0s 0 0 12578.0522 0 57 12812.0000 12578.0522 1.83% - 0s 0 0 12578.0657 0 65 12812.0000 12578.0657 1.83% - 0s H 0 0 12797.000000 12578.0657 1.71% - 0s 0 2 12578.1851 0 65 12797.0000 12578.1851 1.71% - 0s H 27 16 12794.000000 12601.4282 1.51% 8.5 1s * 517 155 13 12792.000000 12677.8750 0.89% 5.9 1s Cutting planes: Gomory: 11 Zero half: 22 Explored 1034 nodes (6298 simplex iterations) in 2.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279200000000e+04, best bound 1.279200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 403 rows, 1128 columns and 99168 nonzeros Presolve time: 0.05s Presolved: 403 rows, 1128 columns, 99168 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12538.0000 2.68% - 0s 0 0 12551.2292 0 44 12883.0000 12551.2292 2.58% - 0s 0 0 12551.2292 0 39 12883.0000 12551.2292 2.58% - 0s 0 0 12551.2292 0 44 12883.0000 12551.2292 2.58% - 0s 0 0 12557.1031 0 44 12883.0000 12557.1031 2.53% - 0s 0 0 12557.2307 0 50 12883.0000 12557.2307 2.53% - 0s 0 0 12563.7805 0 42 12883.0000 12563.7805 2.48% - 0s 0 0 12564.0822 0 51 12883.0000 12564.0822 2.48% - 0s 0 0 12565.0616 0 60 12883.0000 12565.0616 2.47% - 0s 0 0 12566.1616 0 51 12883.0000 12566.1616 2.46% - 0s 0 0 12566.2164 0 59 12883.0000 12566.2164 2.46% - 0s H 0 0 12797.000000 12566.2164 1.80% - 0s 0 2 12566.5000 0 59 12797.0000 12566.5000 1.80% - 0s * 95 38 18 12796.000000 12617.3333 1.40% 5.3 1s * 127 47 8 12795.000000 12644.1944 1.18% 5.5 1s * 217 58 17 12794.000000 12659.0000 1.06% 5.7 1s Cutting planes: Gomory: 5 Zero half: 7 Explored 673 nodes (4112 simplex iterations) in 1.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279400000000e+04, best bound 1.279400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 404 rows, 1128 columns and 99493 nonzeros Presolve time: 0.05s Presolved: 404 rows, 1128 columns, 99493 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 13054.000000 12538.0000 3.95% - 0s 0 0 12551.2292 0 44 13054.0000 12551.2292 3.85% - 0s 0 0 12551.2292 0 39 13054.0000 12551.2292 3.85% - 0s 0 0 12551.2292 0 44 13054.0000 12551.2292 3.85% - 0s 0 0 12557.8900 0 36 13054.0000 12557.8900 3.80% - 0s 0 0 12560.8966 0 38 13054.0000 12560.8966 3.78% - 0s 0 0 12561.7460 0 54 13054.0000 12561.7460 3.77% - 0s 0 0 12565.0435 0 46 13054.0000 12565.0435 3.75% - 0s 0 0 12565.3072 0 59 13054.0000 12565.3072 3.74% - 0s 0 0 12565.5612 0 51 13054.0000 12565.5612 3.74% - 0s 0 0 12565.6509 0 56 13054.0000 12565.6509 3.74% - 0s 0 0 12565.9177 0 54 13054.0000 12565.9177 3.74% - 0s 0 0 12565.9952 0 58 13054.0000 12565.9952 3.74% - 0s 0 0 12566.0603 0 61 13054.0000 12566.0603 3.74% - 0s 0 0 12566.5852 0 61 13054.0000 12566.5852 3.73% - 0s 0 0 12566.6143 0 43 13054.0000 12566.6143 3.73% - 0s 0 0 12566.7195 0 63 13054.0000 12566.7195 3.73% - 0s H 0 0 12883.000000 12566.7195 2.46% - 1s 0 2 12567.1026 0 63 12883.0000 12567.1026 2.45% - 1s * 40 22 38 12795.000000 12589.5385 1.61% 5.0 1s * 144 62 14 12794.000000 12645.0000 1.16% 6.0 1s Cutting planes: Gomory: 3 Zero half: 10 Explored 652 nodes (4064 simplex iterations) in 1.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279400000000e+04, best bound 1.279400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 405 rows, 1128 columns and 99746 nonzeros Presolve time: 0.05s Presolved: 405 rows, 1128 columns, 99746 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12538.0000 2.68% - 0s 0 0 12551.2292 0 44 12883.0000 12551.2292 2.58% - 0s 0 0 12551.2292 0 39 12883.0000 12551.2292 2.58% - 0s 0 0 12551.2292 0 44 12883.0000 12551.2292 2.58% - 0s 0 0 12557.1031 0 44 12883.0000 12557.1031 2.53% - 0s 0 0 12557.2307 0 50 12883.0000 12557.2307 2.53% - 0s 0 0 12563.7805 0 42 12883.0000 12563.7805 2.48% - 0s 0 0 12564.0822 0 51 12883.0000 12564.0822 2.48% - 0s 0 0 12565.0616 0 60 12883.0000 12565.0616 2.47% - 0s 0 0 12566.1616 0 51 12883.0000 12566.1616 2.46% - 0s 0 0 12566.2164 0 59 12883.0000 12566.2164 2.46% - 0s H 0 0 12797.000000 12566.2164 1.80% - 0s 0 2 12566.5000 0 59 12797.0000 12566.5000 1.80% - 0s * 95 38 18 12796.000000 12617.3333 1.40% 5.3 1s * 127 47 8 12795.000000 12644.1944 1.18% 5.5 1s * 599 53 14 12794.000000 12738.7500 0.43% 5.9 1s Cutting planes: Gomory: 5 Zero half: 7 Explored 686 nodes (4134 simplex iterations) in 1.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279400000000e+04, best bound 1.279400000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 406 rows, 1128 columns and 100046 nonzeros Presolve time: 0.05s Presolved: 406 rows, 1128 columns, 100046 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12538.0000 2.67% - 0s 0 0 12551.2292 0 44 12882.0000 12551.2292 2.57% - 0s 0 0 12551.2292 0 39 12882.0000 12551.2292 2.57% - 0s 0 0 12551.2292 0 44 12882.0000 12551.2292 2.57% - 0s 0 0 12557.1031 0 44 12882.0000 12557.1031 2.52% - 0s 0 0 12557.2307 0 50 12882.0000 12557.2307 2.52% - 0s 0 0 12563.7805 0 42 12882.0000 12563.7805 2.47% - 0s 0 0 12564.0896 0 51 12882.0000 12564.0896 2.47% - 0s 0 0 12565.0616 0 60 12882.0000 12565.0616 2.46% - 0s 0 0 12566.0783 0 51 12882.0000 12566.0783 2.45% - 0s 0 0 12566.1386 0 59 12882.0000 12566.1386 2.45% - 0s H 0 0 12874.000000 12566.1386 2.39% - 0s H 0 0 12795.000000 12566.1386 1.79% - 0s 0 2 12566.5000 0 59 12795.0000 12566.5000 1.79% - 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 733 nodes (4452 simplex iterations) in 1.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279500000000e+04, best bound 1.279400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 407 rows, 1128 columns and 100299 nonzeros Presolve time: 0.05s Presolved: 407 rows, 1128 columns, 100299 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12538.0000 3.02% - 0s 0 0 12551.2292 0 44 12928.0000 12551.2292 2.91% - 0s 0 0 12551.2292 0 39 12928.0000 12551.2292 2.91% - 0s 0 0 12551.2292 0 44 12928.0000 12551.2292 2.91% - 0s 0 0 12557.8900 0 36 12928.0000 12557.8900 2.86% - 0s 0 0 12560.8966 0 38 12928.0000 12560.8966 2.84% - 0s 0 0 12561.8833 0 47 12928.0000 12561.8833 2.83% - 0s 0 0 12561.9464 0 52 12928.0000 12561.9464 2.83% - 0s 0 0 12562.0918 0 55 12928.0000 12562.0918 2.83% - 0s 0 0 12563.1096 0 52 12928.0000 12563.1096 2.82% - 0s 0 0 12563.2517 0 59 12928.0000 12563.2517 2.82% - 0s 0 0 12564.2165 0 46 12928.0000 12564.2165 2.81% - 0s 0 0 12564.4382 0 53 12928.0000 12564.4382 2.81% - 0s 0 0 12564.5304 0 56 12928.0000 12564.5304 2.81% - 0s 0 0 12565.0095 0 54 12928.0000 12565.0095 2.81% - 0s 0 0 12565.0765 0 61 12928.0000 12565.0765 2.81% - 0s 0 0 12565.1510 0 63 12928.0000 12565.1510 2.81% - 0s 0 0 12565.2336 0 62 12928.0000 12565.2336 2.81% - 0s 0 0 12565.2776 0 63 12928.0000 12565.2776 2.81% - 0s 0 0 12565.3003 0 60 12928.0000 12565.3003 2.81% - 0s 0 0 12565.3327 0 64 12928.0000 12565.3327 2.81% - 0s 0 0 12565.3555 0 65 12928.0000 12565.3555 2.81% - 0s H 0 0 12902.000000 12565.3555 2.61% - 1s H 0 0 12797.000000 12565.3555 1.81% - 1s 0 2 12565.3697 0 65 12797.0000 12565.3697 1.81% - 1s H 54 18 12795.000000 12626.0000 1.32% 6.9 1s Cutting planes: Gomory: 6 Zero half: 12 Mod-K: 2 Explored 741 nodes (4656 simplex iterations) in 2.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279500000000e+04, best bound 1.279500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 408 rows, 1128 columns and 100530 nonzeros Presolve time: 0.05s Presolved: 408 rows, 1128 columns, 100530 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.1875 0 36 12833.0000 12551.1875 2.20% - 0s 0 0 12551.1875 0 39 12833.0000 12551.1875 2.20% - 0s 0 0 12551.2837 0 44 12833.0000 12551.2837 2.20% - 0s 0 0 12556.5385 0 45 12833.0000 12556.5385 2.15% - 0s 0 0 12558.1300 0 44 12833.0000 12558.1300 2.14% - 0s 0 0 12558.9109 0 56 12833.0000 12558.9109 2.14% - 0s 0 0 12560.3092 0 45 12833.0000 12560.3092 2.12% - 0s 0 0 12560.4944 0 53 12833.0000 12560.4944 2.12% - 0s 0 0 12561.0373 0 52 12833.0000 12561.0373 2.12% - 0s 0 0 12561.1521 0 62 12833.0000 12561.1521 2.12% - 0s 0 0 12561.3283 0 61 12833.0000 12561.3283 2.12% - 0s 0 0 12562.0463 0 55 12833.0000 12562.0463 2.11% - 0s 0 0 12562.4922 0 58 12833.0000 12562.4922 2.11% - 0s 0 0 12562.8343 0 50 12833.0000 12562.8343 2.11% - 0s 0 0 12562.8414 0 58 12833.0000 12562.8414 2.11% - 0s 0 0 12562.8742 0 52 12833.0000 12562.8742 2.10% - 0s 0 0 12562.8846 0 63 12833.0000 12562.8846 2.10% - 0s 0 0 12563.1034 0 60 12833.0000 12563.1034 2.10% - 0s 0 0 12563.1583 0 63 12833.0000 12563.1583 2.10% - 0s 0 0 12563.1977 0 59 12833.0000 12563.1977 2.10% - 0s 0 0 12563.2066 0 60 12833.0000 12563.2066 2.10% - 0s 0 0 12563.2390 0 66 12833.0000 12563.2390 2.10% - 0s 0 0 12563.5760 0 59 12833.0000 12563.5760 2.10% - 0s 0 0 12563.6584 0 65 12833.0000 12563.6584 2.10% - 0s 0 0 12563.6944 0 66 12833.0000 12563.6944 2.10% - 0s 0 0 12563.7240 0 67 12833.0000 12563.7240 2.10% - 1s 0 0 12563.7462 0 64 12833.0000 12563.7462 2.10% - 1s 0 0 12563.7731 0 65 12833.0000 12563.7731 2.10% - 1s H 0 0 12797.000000 12563.7731 1.82% - 1s 0 2 12564.0300 0 65 12797.0000 12564.0300 1.82% - 1s * 107 33 12 12796.000000 12635.1000 1.26% 7.6 1s * 146 42 8 12795.000000 12648.3333 1.15% 6.8 1s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 4 Explored 633 nodes (4146 simplex iterations) in 2.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279500000000e+04, best bound 1.279500000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 409 rows, 1128 columns and 100761 nonzeros Presolve time: 0.05s Presolved: 409 rows, 1128 columns, 100761 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12835.000000 12538.0000 2.31% - 0s 0 0 12551.1875 0 36 12835.0000 12551.1875 2.21% - 0s 0 0 12551.1875 0 39 12835.0000 12551.1875 2.21% - 0s 0 0 12551.2837 0 44 12835.0000 12551.2837 2.21% - 0s 0 0 12556.5385 0 45 12835.0000 12556.5385 2.17% - 0s 0 0 12558.1300 0 44 12835.0000 12558.1300 2.16% - 0s 0 0 12558.9109 0 56 12835.0000 12558.9109 2.15% - 0s 0 0 12560.3092 0 45 12835.0000 12560.3092 2.14% - 0s 0 0 12560.4944 0 53 12835.0000 12560.4944 2.14% - 0s 0 0 12561.0373 0 52 12835.0000 12561.0373 2.13% - 0s 0 0 12561.1521 0 62 12835.0000 12561.1521 2.13% - 0s 0 0 12561.4282 0 55 12835.0000 12561.4282 2.13% - 0s 0 0 12562.2676 0 59 12835.0000 12562.2676 2.12% - 0s 0 0 12562.2785 0 61 12835.0000 12562.2785 2.12% - 0s 0 0 12562.2867 0 61 12835.0000 12562.2867 2.12% - 0s 0 0 12562.2978 0 64 12835.0000 12562.2978 2.12% - 0s 0 0 12562.6117 0 50 12835.0000 12562.6117 2.12% - 0s 0 0 12562.6802 0 60 12835.0000 12562.6802 2.12% - 0s 0 0 12562.8037 0 60 12835.0000 12562.8037 2.12% - 0s 0 0 12562.8204 0 62 12835.0000 12562.8204 2.12% - 0s 0 0 12562.9235 0 56 12835.0000 12562.9235 2.12% - 0s 0 0 12562.9415 0 59 12835.0000 12562.9415 2.12% - 0s 0 0 12562.9814 0 65 12835.0000 12562.9814 2.12% - 0s 0 0 12562.9917 0 64 12835.0000 12562.9917 2.12% - 0s H 0 0 12813.000000 12562.9917 1.95% - 1s H 0 0 12797.000000 12562.9917 1.83% - 1s 0 2 12563.0283 0 64 12797.0000 12563.0283 1.83% - 1s * 228 74 11 12796.000000 12657.0000 1.09% 5.9 1s * 366 114 16 12795.000000 12679.3750 0.90% 5.8 1s Cutting planes: Gomory: 4 Zero half: 8 Mod-K: 4 Explored 837 nodes (4867 simplex iterations) in 2.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279500000000e+04, best bound 1.279500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 410 rows, 1128 columns and 101014 nonzeros Presolve time: 0.05s Presolved: 410 rows, 1128 columns, 101014 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12887.000000 12538.0000 2.71% - 0s 0 0 12551.2292 0 44 12887.0000 12551.2292 2.61% - 0s 0 0 12551.2292 0 39 12887.0000 12551.2292 2.61% - 0s 0 0 12551.2292 0 44 12887.0000 12551.2292 2.61% - 0s 0 0 12557.1031 0 44 12887.0000 12557.1031 2.56% - 0s 0 0 12557.2364 0 50 12887.0000 12557.2364 2.56% - 0s 0 0 12562.8259 0 44 12887.0000 12562.8259 2.52% - 0s 0 0 12563.8525 0 43 12887.0000 12563.8525 2.51% - 0s 0 0 12564.0000 0 51 12887.0000 12564.0000 2.51% - 0s 0 0 12564.9755 0 55 12887.0000 12564.9755 2.50% - 0s 0 0 12565.5266 0 49 12887.0000 12565.5266 2.49% - 0s 0 0 12565.7165 0 57 12887.0000 12565.7165 2.49% - 0s 0 0 12566.3644 0 52 12887.0000 12566.3644 2.49% - 0s 0 0 12566.3731 0 53 12887.0000 12566.3731 2.49% - 0s H 0 0 12843.000000 12566.3731 2.15% - 0s 0 2 12566.4687 0 53 12843.0000 12566.4687 2.15% - 0s * 52 34 49 12804.000000 12590.8364 1.66% 4.7 1s * 53 33 49 12800.000000 12590.8364 1.63% 4.6 1s * 81 49 28 12798.000000 12599.5417 1.55% 5.1 1s * 83 46 27 12796.000000 12599.5417 1.54% 5.1 1s * 107 63 25 12795.000000 12610.6667 1.44% 5.0 1s Cutting planes: Gomory: 6 Zero half: 6 Mod-K: 1 Explored 909 nodes (5075 simplex iterations) in 1.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279500000000e+04, best bound 1.279400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 411 rows, 1128 columns and 101339 nonzeros Presolve time: 0.05s Presolved: 411 rows, 1128 columns, 101339 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12962.000000 12538.0000 3.27% - 0s 0 0 12551.2292 0 44 12962.0000 12551.2292 3.17% - 0s 0 0 12551.2292 0 39 12962.0000 12551.2292 3.17% - 0s 0 0 12551.2292 0 44 12962.0000 12551.2292 3.17% - 0s 0 0 12556.5385 0 45 12962.0000 12556.5385 3.13% - 0s 0 0 12558.1300 0 44 12962.0000 12558.1300 3.12% - 0s 0 0 12558.9109 0 56 12962.0000 12558.9109 3.11% - 0s H 0 0 12929.000000 12558.9109 2.86% - 0s 0 0 12560.2978 0 45 12929.0000 12560.2978 2.85% - 0s 0 0 12560.4101 0 53 12929.0000 12560.4101 2.85% - 0s 0 0 12561.0330 0 52 12929.0000 12561.0330 2.85% - 0s 0 0 12561.1135 0 60 12929.0000 12561.1135 2.85% - 0s 0 0 12561.2338 0 63 12929.0000 12561.2338 2.84% - 0s 0 0 12561.6831 0 52 12929.0000 12561.6831 2.84% - 0s 0 0 12561.9306 0 63 12929.0000 12561.9306 2.84% - 0s 0 0 12562.1063 0 64 12929.0000 12562.1063 2.84% - 0s 0 0 12562.6251 0 60 12929.0000 12562.6251 2.83% - 0s 0 0 12562.8868 0 63 12929.0000 12562.8868 2.83% - 0s H 0 0 12902.000000 12562.8868 2.63% - 1s H 0 0 12879.000000 12562.8868 2.45% - 1s 0 2 12562.8998 0 63 12879.0000 12562.8998 2.45% - 1s H 27 19 12861.000000 12611.5937 1.94% 10.3 1s * 31 20 27 12855.000000 12611.5937 1.89% 9.4 1s * 53 29 25 12797.000000 12612.3200 1.44% 9.1 1s * 123 53 13 12796.000000 12650.0000 1.14% 7.6 1s * 402 86 20 12795.000000 12699.1538 0.75% 6.5 1s Cutting planes: Gomory: 4 Zero half: 13 Explored 720 nodes (4561 simplex iterations) in 2.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279500000000e+04, best bound 1.279500000000e+04, gap 0.0% adding cut for [(33, 46), (38, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 412 rows, 1128 columns and 101549 nonzeros Presolve time: 0.05s Presolved: 412 rows, 1128 columns, 101549 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12538.0000 3.02% - 0s 0 0 12551.2292 0 44 12928.0000 12551.2292 2.91% - 0s 0 0 12551.2292 0 39 12928.0000 12551.2292 2.91% - 0s 0 0 12551.2292 0 44 12928.0000 12551.2292 2.91% - 0s 0 0 12556.5385 0 45 12928.0000 12556.5385 2.87% - 0s 0 0 12558.1300 0 44 12928.0000 12558.1300 2.86% - 0s 0 0 12558.8736 0 56 12928.0000 12558.8736 2.86% - 0s 0 0 12560.2500 0 44 12928.0000 12560.2500 2.84% - 0s 0 0 12560.4200 0 52 12928.0000 12560.4200 2.84% - 0s 0 0 12560.8968 0 52 12928.0000 12560.8968 2.84% - 0s 0 0 12560.9893 0 60 12928.0000 12560.9893 2.84% - 0s 0 0 12561.7490 0 55 12928.0000 12561.7490 2.83% - 0s 0 0 12561.8693 0 51 12928.0000 12561.8693 2.83% - 0s 0 0 12561.8867 0 61 12928.0000 12561.8867 2.83% - 0s 0 0 12561.9429 0 63 12928.0000 12561.9429 2.83% - 0s 0 0 12562.0719 0 61 12928.0000 12562.0719 2.83% - 0s 0 0 12562.0844 0 65 12928.0000 12562.0844 2.83% - 0s 0 0 12562.2766 0 64 12928.0000 12562.2766 2.83% - 0s H 0 0 12881.000000 12562.2766 2.47% - 1s H 0 0 12841.000000 12562.2766 2.17% - 1s H 0 0 12797.000000 12562.2766 1.83% - 1s 0 2 12562.5022 0 64 12797.0000 12562.5022 1.83% - 1s * 46 19 12 12796.000000 12609.5652 1.46% 7.0 1s * 105 45 29 12795.000000 12634.6667 1.25% 5.9 1s Cutting planes: Gomory: 3 Zero half: 10 Explored 652 nodes (3810 simplex iterations) in 1.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279500000000e+04, best bound 1.279500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 38), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 413 rows, 1128 columns and 101802 nonzeros Presolve time: 0.05s Presolved: 413 rows, 1128 columns, 101802 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12899.000000 12538.0000 2.80% - 0s 0 0 12551.2292 0 44 12899.0000 12551.2292 2.70% - 0s 0 0 12551.2292 0 39 12899.0000 12551.2292 2.70% - 0s 0 0 12551.2292 0 44 12899.0000 12551.2292 2.70% - 0s 0 0 12556.5385 0 45 12899.0000 12556.5385 2.65% - 0s 0 0 12558.1300 0 44 12899.0000 12558.1300 2.64% - 0s 0 0 12558.8736 0 56 12899.0000 12558.8736 2.64% - 0s 0 0 12560.2991 0 46 12899.0000 12560.2991 2.63% - 0s 0 0 12560.4188 0 54 12899.0000 12560.4188 2.62% - 0s 0 0 12560.9032 0 51 12899.0000 12560.9032 2.62% - 0s 0 0 12560.9737 0 60 12899.0000 12560.9737 2.62% - 0s 0 0 12561.2545 0 57 12899.0000 12561.2545 2.62% - 0s 0 0 12562.0483 0 54 12899.0000 12562.0483 2.61% - 0s 0 0 12562.0796 0 55 12899.0000 12562.0796 2.61% - 0s 0 0 12562.1523 0 63 12899.0000 12562.1523 2.61% - 0s 0 0 12562.2024 0 56 12899.0000 12562.2024 2.61% - 0s 0 0 12562.2587 0 65 12899.0000 12562.2587 2.61% - 0s 0 0 12562.4671 0 57 12899.0000 12562.4671 2.61% - 0s 0 0 12562.5886 0 65 12899.0000 12562.5886 2.61% - 0s 0 0 12562.8815 0 67 12899.0000 12562.8815 2.61% - 0s 0 0 12563.3785 0 66 12899.0000 12563.3785 2.60% - 0s 0 0 12563.5101 0 69 12899.0000 12563.5101 2.60% - 0s 0 0 12563.5855 0 65 12899.0000 12563.5855 2.60% - 0s 0 0 12563.6959 0 68 12899.0000 12563.6959 2.60% - 0s 0 0 12563.7224 0 71 12899.0000 12563.7224 2.60% - 0s 0 0 12563.7700 0 67 12899.0000 12563.7700 2.60% - 0s 0 0 12563.7903 0 73 12899.0000 12563.7903 2.60% - 0s 0 0 12563.8846 0 68 12899.0000 12563.8846 2.60% - 1s 0 0 12563.9454 0 72 12899.0000 12563.9454 2.60% - 1s H 0 0 12883.000000 12563.9454 2.48% - 1s H 0 0 12833.000000 12563.9454 2.10% - 1s 0 2 12563.9830 0 72 12833.0000 12563.9830 2.10% - 1s * 41 21 37 12802.000000 12615.0000 1.46% 6.2 1s * 67 36 24 12798.000000 12615.0000 1.43% 6.5 1s * 68 35 24 12796.000000 12615.0000 1.41% 6.5 1s Cutting planes: Gomory: 4 Zero half: 8 Mod-K: 8 Explored 874 nodes (5300 simplex iterations) in 2.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279600000000e+04, best bound 1.279600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 47), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 414 rows, 1128 columns and 102102 nonzeros Presolve time: 0.06s Presolved: 414 rows, 1128 columns, 102102 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12922.000000 12538.0000 2.97% - 0s 0 0 12551.2292 0 44 12922.0000 12551.2292 2.87% - 0s 0 0 12551.2292 0 39 12922.0000 12551.2292 2.87% - 0s 0 0 12551.2292 0 44 12922.0000 12551.2292 2.87% - 0s 0 0 12556.5385 0 45 12922.0000 12556.5385 2.83% - 0s H 0 0 12877.000000 12556.5385 2.49% - 0s 0 0 12558.0100 0 44 12877.0000 12558.0100 2.48% - 0s 0 0 12558.7400 0 51 12877.0000 12558.7400 2.47% - 0s 0 0 12558.9041 0 48 12877.0000 12558.9041 2.47% - 0s 0 0 12559.0568 0 57 12877.0000 12559.0568 2.47% - 0s 0 0 12559.5805 0 60 12877.0000 12559.5805 2.47% - 0s 0 0 12561.9666 0 58 12877.0000 12561.9666 2.45% - 0s 0 0 12562.3372 0 56 12877.0000 12562.3372 2.44% - 0s 0 0 12562.5475 0 62 12877.0000 12562.5475 2.44% - 0s 0 0 12562.7680 0 60 12877.0000 12562.7680 2.44% - 0s 0 0 12562.7705 0 65 12877.0000 12562.7705 2.44% - 0s 0 0 12563.0007 0 62 12877.0000 12563.0007 2.44% - 0s 0 0 12563.0609 0 63 12877.0000 12563.0609 2.44% - 0s 0 0 12563.7273 0 61 12877.0000 12563.7273 2.43% - 0s 0 0 12564.0141 0 62 12877.0000 12564.0141 2.43% - 0s 0 0 12564.1820 0 60 12877.0000 12564.1820 2.43% - 0s 0 0 12564.1908 0 59 12877.0000 12564.1908 2.43% - 0s 0 0 12564.2000 0 64 12877.0000 12564.2000 2.43% - 0s 0 0 12564.2595 0 67 12877.0000 12564.2595 2.43% - 0s H 0 0 12813.000000 12564.2595 1.94% - 1s 0 2 12564.5235 0 67 12813.0000 12564.5235 1.94% - 1s * 51 26 28 12811.000000 12594.8869 1.69% 6.5 1s * 69 34 18 12808.000000 12610.0000 1.55% 7.0 1s * 83 38 11 12797.000000 12620.0000 1.38% 7.1 1s * 347 94 11 12796.000000 12690.0000 0.83% 6.0 1s Cutting planes: Gomory: 4 Zero half: 13 Mod-K: 1 Explored 693 nodes (4297 simplex iterations) in 2.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279600000000e+04, best bound 1.279600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 415 rows, 1128 columns and 102402 nonzeros Presolve time: 0.05s Presolved: 415 rows, 1128 columns, 102402 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12538.0000 3.02% - 0s 0 0 12551.2292 0 44 12928.0000 12551.2292 2.91% - 0s 0 0 12551.2292 0 39 12928.0000 12551.2292 2.91% - 0s 0 0 12551.2292 0 44 12928.0000 12551.2292 2.91% - 0s 0 0 12556.5385 0 45 12928.0000 12556.5385 2.87% - 0s 0 0 12558.1300 0 44 12928.0000 12558.1300 2.86% - 0s 0 0 12558.8736 0 56 12928.0000 12558.8736 2.86% - 0s 0 0 12560.2500 0 44 12928.0000 12560.2500 2.84% - 0s 0 0 12560.4200 0 52 12928.0000 12560.4200 2.84% - 0s 0 0 12560.8968 0 52 12928.0000 12560.8968 2.84% - 0s 0 0 12560.9893 0 60 12928.0000 12560.9893 2.84% - 0s 0 0 12561.7490 0 55 12928.0000 12561.7490 2.83% - 0s 0 0 12561.8693 0 51 12928.0000 12561.8693 2.83% - 0s 0 0 12561.8867 0 61 12928.0000 12561.8867 2.83% - 0s 0 0 12561.9429 0 63 12928.0000 12561.9429 2.83% - 0s 0 0 12562.0719 0 61 12928.0000 12562.0719 2.83% - 0s 0 0 12562.0844 0 65 12928.0000 12562.0844 2.83% - 0s 0 0 12562.2567 0 64 12928.0000 12562.2567 2.83% - 0s H 0 0 12883.000000 12562.2567 2.49% - 1s 0 2 12562.5002 0 64 12883.0000 12562.5002 2.49% - 1s * 37 17 32 12797.000000 12587.9000 1.63% 8.5 1s * 300 79 15 12796.000000 12686.2000 0.86% 6.1 1s Cutting planes: Gomory: 3 Zero half: 11 Explored 633 nodes (3859 simplex iterations) in 2.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279600000000e+04, best bound 1.279600000000e+04, gap 0.0% adding cut for [(2, 10), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (10, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 416 rows, 1128 columns and 102753 nonzeros Presolve time: 0.06s Presolved: 416 rows, 1128 columns, 102753 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.1875 0 36 12833.0000 12551.1875 2.20% - 0s 0 0 12551.1875 0 39 12833.0000 12551.1875 2.20% - 0s 0 0 12551.2837 0 44 12833.0000 12551.2837 2.20% - 0s 0 0 12556.5385 0 45 12833.0000 12556.5385 2.15% - 0s 0 0 12558.1300 0 44 12833.0000 12558.1300 2.14% - 0s 0 0 12558.8736 0 56 12833.0000 12558.8736 2.14% - 0s 0 0 12560.2500 0 44 12833.0000 12560.2500 2.13% - 0s 0 0 12560.4214 0 52 12833.0000 12560.4214 2.12% - 0s 0 0 12560.8968 0 52 12833.0000 12560.8968 2.12% - 0s 0 0 12560.9939 0 60 12833.0000 12560.9939 2.12% - 0s 0 0 12561.7501 0 55 12833.0000 12561.7501 2.11% - 0s 0 0 12561.9718 0 62 12833.0000 12561.9718 2.11% - 0s 0 0 12562.0796 0 64 12833.0000 12562.0796 2.11% - 0s 0 0 12562.5294 0 42 12833.0000 12562.5294 2.11% - 0s 0 0 12563.2146 0 57 12833.0000 12563.2146 2.10% - 0s 0 0 12563.2726 0 64 12833.0000 12563.2726 2.10% - 0s 0 0 12563.4701 0 55 12833.0000 12563.4701 2.10% - 0s 0 0 12563.4892 0 64 12833.0000 12563.4892 2.10% - 0s 0 0 12563.5259 0 62 12833.0000 12563.5259 2.10% - 0s 0 0 12563.6240 0 66 12833.0000 12563.6240 2.10% - 0s 0 0 12563.7809 0 67 12833.0000 12563.7809 2.10% - 0s 0 0 12564.0478 0 61 12833.0000 12564.0478 2.10% - 0s 0 0 12564.4605 0 68 12833.0000 12564.4605 2.09% - 0s 0 0 12564.4605 0 68 12833.0000 12564.4605 2.09% - 1s 0 2 12564.5628 0 68 12833.0000 12564.5628 2.09% - 1s * 24 11 22 12824.000000 12591.4286 1.81% 7.2 1s * 49 24 23 12798.000000 12593.5000 1.60% 7.2 1s * 93 45 21 12797.000000 12630.6667 1.30% 6.8 1s * 287 92 16 12796.000000 12691.6667 0.82% 5.7 1s Cutting planes: Gomory: 3 Zero half: 10 Mod-K: 1 Explored 608 nodes (3757 simplex iterations) in 1.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279600000000e+04, best bound 1.279600000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 417 rows, 1128 columns and 103006 nonzeros Presolve time: 0.06s Presolved: 417 rows, 1128 columns, 103006 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12538.0000 2.67% - 0s 0 0 12551.2292 0 44 12882.0000 12551.2292 2.57% - 0s 0 0 12551.2292 0 39 12882.0000 12551.2292 2.57% - 0s 0 0 12551.2292 0 44 12882.0000 12551.2292 2.57% - 0s 0 0 12556.5385 0 45 12882.0000 12556.5385 2.53% - 0s H 0 0 12833.000000 12556.5385 2.15% - 0s 0 0 12558.1300 0 44 12833.0000 12558.1300 2.14% - 0s 0 0 12558.8736 0 56 12833.0000 12558.8736 2.14% - 0s 0 0 12560.2500 0 44 12833.0000 12560.2500 2.13% - 0s 0 0 12560.4214 0 54 12833.0000 12560.4214 2.12% - 0s 0 0 12560.9305 0 59 12833.0000 12560.9305 2.12% - 0s 0 0 12561.0000 0 38 12833.0000 12561.0000 2.12% - 0s 0 0 12561.1585 0 59 12833.0000 12561.1585 2.12% - 0s 0 0 12562.0316 0 48 12833.0000 12562.0316 2.11% - 0s 0 0 12562.0816 0 56 12833.0000 12562.0816 2.11% - 0s 0 0 12562.1500 0 49 12833.0000 12562.1500 2.11% - 0s 0 0 12562.2501 0 56 12833.0000 12562.2501 2.11% - 0s 0 0 12562.3751 0 61 12833.0000 12562.3751 2.11% - 0s 0 0 12562.5100 0 63 12833.0000 12562.5100 2.11% - 0s 0 0 12562.6531 0 55 12833.0000 12562.6531 2.11% - 0s 0 0 12562.6690 0 63 12833.0000 12562.6690 2.11% - 0s 0 0 12562.8988 0 57 12833.0000 12562.8988 2.10% - 0s 0 0 12562.9207 0 62 12833.0000 12562.9207 2.10% - 0s 0 0 12562.9957 0 54 12833.0000 12562.9957 2.10% - 0s 0 0 12563.0251 0 63 12833.0000 12563.0251 2.10% - 0s 0 0 12563.6334 0 66 12833.0000 12563.6334 2.10% - 0s 0 0 12563.7773 0 66 12833.0000 12563.7773 2.10% - 0s 0 0 12563.9606 0 62 12833.0000 12563.9606 2.10% - 0s 0 0 12564.0144 0 67 12833.0000 12564.0144 2.10% - 1s 0 0 12564.2426 0 66 12833.0000 12564.2426 2.09% - 1s 0 0 12564.3569 0 69 12833.0000 12564.3569 2.09% - 1s 0 0 12564.4167 0 49 12833.0000 12564.4167 2.09% - 1s 0 0 12564.4877 0 69 12833.0000 12564.4877 2.09% - 1s 0 0 12565.0037 0 67 12833.0000 12565.0037 2.09% - 1s 0 0 12565.3569 0 67 12833.0000 12565.3569 2.09% - 1s 0 0 12565.4500 0 72 12833.0000 12565.4500 2.08% - 1s 0 0 12565.4500 0 72 12833.0000 12565.4500 2.08% - 1s 0 2 12565.4839 0 72 12833.0000 12565.4839 2.08% - 1s H 31 16 12817.000000 12620.0000 1.54% 6.5 1s * 71 36 23 12797.000000 12622.5778 1.36% 5.2 1s * 328 71 10 12796.000000 12695.7500 0.78% 5.8 2s Cutting planes: Gomory: 2 Zero half: 16 Explored 637 nodes (4203 simplex iterations) in 2.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279600000000e+04, best bound 1.279500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 418 rows, 1128 columns and 103306 nonzeros Presolve time: 0.06s Presolved: 418 rows, 1128 columns, 103306 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12836.000000 12538.0000 2.32% - 0s 0 0 12551.2292 0 44 12836.0000 12551.2292 2.22% - 0s 0 0 12551.2292 0 39 12836.0000 12551.2292 2.22% - 0s 0 0 12551.2837 0 44 12836.0000 12551.2837 2.22% - 0s 0 0 12557.8900 0 36 12836.0000 12557.8900 2.17% - 0s 0 0 12560.8966 0 38 12836.0000 12560.8966 2.14% - 0s 0 0 12561.7564 0 54 12836.0000 12561.7564 2.14% - 0s 0 0 12565.0435 0 46 12836.0000 12565.0435 2.11% - 0s 0 0 12565.3107 0 59 12836.0000 12565.3107 2.11% - 0s 0 0 12565.5612 0 51 12836.0000 12565.5612 2.11% - 0s 0 0 12565.6570 0 54 12836.0000 12565.6570 2.11% - 0s 0 0 12565.6675 0 58 12836.0000 12565.6675 2.11% - 0s 0 0 12566.0000 0 29 12836.0000 12566.0000 2.10% - 0s 0 0 12566.2148 0 52 12836.0000 12566.2148 2.10% - 0s 0 0 12566.2609 0 60 12836.0000 12566.2609 2.10% - 0s 0 0 12566.6777 0 59 12836.0000 12566.6777 2.10% - 0s 0 0 12566.7247 0 61 12836.0000 12566.7247 2.10% - 0s 0 0 12567.0111 0 51 12836.0000 12567.0111 2.10% - 0s 0 0 12567.0486 0 54 12836.0000 12567.0486 2.10% - 0s H 0 0 12813.000000 12567.0486 1.92% - 0s 0 2 12567.4958 0 54 12813.0000 12567.4958 1.92% - 1s H 27 13 12797.000000 12570.7073 1.77% 4.7 1s Cutting planes: Gomory: 4 Zero half: 9 Explored 656 nodes (3883 simplex iterations) in 1.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279700000000e+04, best bound 1.279700000000e+04, gap 0.0% adding cut for [(34, 41), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 419 rows, 1128 columns and 103496 nonzeros Presolve time: 0.06s Presolved: 419 rows, 1128 columns, 103496 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.0000 2.30% - 0s 0 0 12551.1875 0 36 12833.0000 12551.1875 2.20% - 0s 0 0 12551.1875 0 39 12833.0000 12551.1875 2.20% - 0s 0 0 12551.2837 0 44 12833.0000 12551.2837 2.20% - 0s 0 0 12556.5385 0 45 12833.0000 12556.5385 2.15% - 0s 0 0 12558.1300 0 44 12833.0000 12558.1300 2.14% - 0s 0 0 12558.8736 0 56 12833.0000 12558.8736 2.14% - 0s 0 0 12560.2500 0 44 12833.0000 12560.2500 2.13% - 0s 0 0 12560.4214 0 52 12833.0000 12560.4214 2.12% - 0s 0 0 12560.8968 0 52 12833.0000 12560.8968 2.12% - 0s 0 0 12560.9939 0 60 12833.0000 12560.9939 2.12% - 0s 0 0 12561.7501 0 55 12833.0000 12561.7501 2.11% - 0s 0 0 12561.9718 0 62 12833.0000 12561.9718 2.11% - 0s 0 0 12562.0796 0 64 12833.0000 12562.0796 2.11% - 0s 0 0 12562.5294 0 42 12833.0000 12562.5294 2.11% - 0s 0 0 12563.2146 0 57 12833.0000 12563.2146 2.10% - 0s 0 0 12563.2726 0 64 12833.0000 12563.2726 2.10% - 0s 0 0 12563.4701 0 55 12833.0000 12563.4701 2.10% - 0s 0 0 12563.4892 0 64 12833.0000 12563.4892 2.10% - 0s 0 0 12563.5259 0 62 12833.0000 12563.5259 2.10% - 0s 0 0 12563.6240 0 66 12833.0000 12563.6240 2.10% - 0s 0 0 12563.7809 0 67 12833.0000 12563.7809 2.10% - 0s 0 0 12564.0478 0 61 12833.0000 12564.0478 2.10% - 0s 0 0 12564.4835 0 68 12833.0000 12564.4835 2.09% - 0s 0 2 12564.5598 0 68 12833.0000 12564.5598 2.09% - 1s * 26 11 24 12824.000000 12591.4286 1.81% 7.3 1s * 53 25 25 12807.000000 12596.6250 1.64% 6.9 1s * 56 22 23 12798.000000 12596.6250 1.57% 6.6 1s * 254 94 16 12797.000000 12686.0000 0.87% 5.7 1s Cutting planes: Gomory: 3 Zero half: 10 Mod-K: 1 Explored 663 nodes (3971 simplex iterations) in 1.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279700000000e+04, best bound 1.279700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 420 rows, 1128 columns and 103796 nonzeros Presolve time: 0.06s Presolved: 420 rows, 1128 columns, 103796 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12538.0000 3.02% - 0s 0 0 12551.2292 0 44 12928.0000 12551.2292 2.91% - 0s 0 0 12551.2292 0 39 12928.0000 12551.2292 2.91% - 0s 0 0 12551.2292 0 44 12928.0000 12551.2292 2.91% - 0s 0 0 12556.5385 0 45 12928.0000 12556.5385 2.87% - 0s 0 0 12558.1300 0 44 12928.0000 12558.1300 2.86% - 0s 0 0 12558.8736 0 56 12928.0000 12558.8736 2.86% - 0s 0 0 12560.2500 0 44 12928.0000 12560.2500 2.84% - 0s 0 0 12560.4200 0 52 12928.0000 12560.4200 2.84% - 0s 0 0 12560.8968 0 52 12928.0000 12560.8968 2.84% - 0s 0 0 12560.9893 0 60 12928.0000 12560.9893 2.84% - 0s 0 0 12561.7490 0 55 12928.0000 12561.7490 2.83% - 0s 0 0 12561.8693 0 51 12928.0000 12561.8693 2.83% - 0s 0 0 12561.8867 0 61 12928.0000 12561.8867 2.83% - 0s 0 0 12561.9429 0 63 12928.0000 12561.9429 2.83% - 0s 0 0 12562.0719 0 61 12928.0000 12562.0719 2.83% - 0s 0 0 12562.0860 0 65 12928.0000 12562.0860 2.83% - 0s 0 0 12562.2766 0 64 12928.0000 12562.2766 2.83% - 0s H 0 0 12881.000000 12562.2766 2.47% - 1s H 0 0 12841.000000 12562.2766 2.17% - 1s H 0 0 12819.000000 12562.2766 2.00% - 1s 0 2 12562.5022 0 64 12819.0000 12562.5022 2.00% - 1s * 77 40 35 12798.000000 12597.0000 1.57% 4.9 1s * 86 43 10 12797.000000 12609.5652 1.46% 5.3 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 658 nodes (4056 simplex iterations) in 2.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279700000000e+04, best bound 1.279700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 421 rows, 1128 columns and 104096 nonzeros Presolve time: 0.06s Presolved: 421 rows, 1128 columns, 104096 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12886.000000 12538.0000 2.70% - 0s 0 0 12551.2292 0 44 12886.0000 12551.2292 2.60% - 0s 0 0 12551.2292 0 39 12886.0000 12551.2292 2.60% - 0s 0 0 12551.2292 0 44 12886.0000 12551.2292 2.60% - 0s H 0 0 12883.000000 12551.2292 2.58% - 0s 0 0 12556.5385 0 45 12883.0000 12556.5385 2.53% - 0s 0 0 12558.1300 0 44 12883.0000 12558.1300 2.52% - 0s 0 0 12558.8736 0 56 12883.0000 12558.8736 2.52% - 0s 0 0 12560.2500 0 44 12883.0000 12560.2500 2.51% - 0s 0 0 12560.4214 0 54 12883.0000 12560.4214 2.50% - 0s 0 0 12560.9269 0 52 12883.0000 12560.9269 2.50% - 0s 0 0 12560.9708 0 54 12883.0000 12560.9708 2.50% - 0s 0 0 12561.0073 0 60 12883.0000 12561.0073 2.50% - 0s 0 0 12561.0860 0 62 12883.0000 12561.0860 2.50% - 0s 0 0 12561.3929 0 56 12883.0000 12561.3929 2.50% - 0s 0 0 12562.2530 0 62 12883.0000 12562.2530 2.49% - 0s 0 0 12562.7111 0 57 12883.0000 12562.7111 2.49% - 0s 0 0 12562.9336 0 47 12883.0000 12562.9336 2.48% - 0s 0 0 12563.0378 0 53 12883.0000 12563.0378 2.48% - 0s 0 0 12563.0474 0 62 12883.0000 12563.0474 2.48% - 0s 0 0 12563.0911 0 57 12883.0000 12563.0911 2.48% - 0s 0 0 12563.1070 0 58 12883.0000 12563.1070 2.48% - 0s 0 0 12563.1168 0 64 12883.0000 12563.1168 2.48% - 0s 0 0 12563.1604 0 64 12883.0000 12563.1604 2.48% - 0s 0 0 12563.2600 0 59 12883.0000 12563.2600 2.48% - 0s 0 0 12563.3292 0 67 12883.0000 12563.3292 2.48% - 0s 0 0 12563.6825 0 60 12883.0000 12563.6825 2.48% - 1s 0 0 12563.7324 0 62 12883.0000 12563.7324 2.48% - 1s 0 0 12563.7815 0 66 12883.0000 12563.7815 2.48% - 1s 0 0 12563.9567 0 65 12883.0000 12563.9567 2.48% - 1s 0 0 12563.9980 0 69 12883.0000 12563.9980 2.48% - 1s H 0 0 12882.000000 12563.9980 2.47% - 1s H 0 0 12879.000000 12563.9980 2.45% - 1s H 0 0 12873.000000 12563.9980 2.40% - 1s 0 2 12564.0504 0 69 12873.0000 12564.0504 2.40% - 1s * 38 23 35 12802.000000 12605.6060 1.53% 8.4 1s * 245 91 19 12797.000000 12654.5833 1.11% 5.8 1s Cutting planes: Gomory: 2 Zero half: 14 Mod-K: 4 Explored 758 nodes (4920 simplex iterations) in 2.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279700000000e+04, best bound 1.279700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 422 rows, 1128 columns and 104327 nonzeros Presolve time: 0.06s Presolved: 422 rows, 1128 columns, 104327 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start 0 0 12551.2292 0 44 47372.0000 12551.2292 73.5% - 0s 0 0 12557.8900 0 36 47372.0000 12557.8900 73.5% - 0s 0 0 12560.8966 0 38 47372.0000 12560.8966 73.5% - 0s 0 0 12561.4110 0 50 47372.0000 12561.4110 73.5% - 0s 0 0 12562.4762 0 42 47372.0000 12562.4762 73.5% - 0s 0 0 12562.5987 0 52 47372.0000 12562.5987 73.5% - 0s 0 0 12562.6712 0 59 47372.0000 12562.6712 73.5% - 0s 0 0 12562.8758 0 55 47372.0000 12562.8758 73.5% - 0s 0 0 12563.1717 0 58 47372.0000 12563.1717 73.5% - 0s 0 0 12563.5659 0 60 47372.0000 12563.5659 73.5% - 0s 0 0 12563.8302 0 60 47372.0000 12563.8302 73.5% - 0s H 0 0 13407.000000 12563.8302 6.29% - 0s H 0 0 13141.000000 12563.8302 4.39% - 0s H 0 0 13117.000000 12563.8302 4.22% - 0s H 0 0 12822.000000 12563.8302 2.01% - 0s 0 0 12563.8302 0 39 12822.0000 12563.8302 2.01% - 1s 0 0 12563.8302 0 42 12822.0000 12563.8302 2.01% - 1s 0 0 12563.8302 0 47 12822.0000 12563.8302 2.01% - 1s 0 0 12563.8302 0 46 12822.0000 12563.8302 2.01% - 1s 0 0 12563.8302 0 52 12822.0000 12563.8302 2.01% - 1s 0 0 12563.9888 0 52 12822.0000 12563.9888 2.01% - 1s 0 0 12564.2990 0 59 12822.0000 12564.2990 2.01% - 1s 0 0 12564.5157 0 62 12822.0000 12564.5157 2.01% - 1s 0 0 12564.8609 0 44 12822.0000 12564.8609 2.01% - 1s 0 0 12565.7743 0 53 12822.0000 12565.7743 2.00% - 1s 0 0 12565.9298 0 65 12822.0000 12565.9298 2.00% - 1s 0 0 12567.5229 0 49 12822.0000 12567.5229 1.98% - 1s 0 2 12570.6667 0 49 12822.0000 12570.6667 1.96% - 1s * 26 14 25 12802.000000 12591.6250 1.64% 7.8 1s * 55 24 7 12801.000000 12615.0000 1.45% 7.8 1s * 137 57 9 12798.000000 12640.0000 1.23% 6.2 1s * 360 80 8 12797.000000 12700.5000 0.75% 5.6 2s Cutting planes: Gomory: 6 Zero half: 5 Explored 630 nodes (3874 simplex iterations) in 2.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279700000000e+04, best bound 1.279700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 423 rows, 1128 columns and 104603 nonzeros Presolve time: 0.06s Presolved: 423 rows, 1128 columns, 104603 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12806.000000 12538.0000 2.09% - 0s 0 0 12551.2292 0 44 12806.0000 12551.2292 1.99% - 0s 0 0 12551.2292 0 39 12806.0000 12551.2292 1.99% - 0s 0 0 12551.3214 0 44 12806.0000 12551.3214 1.99% - 0s 0 0 12557.8900 0 36 12806.0000 12557.8900 1.94% - 0s 0 0 12560.8966 0 38 12806.0000 12560.8966 1.91% - 0s 0 0 12561.8794 0 52 12806.0000 12561.8794 1.91% - 0s 0 0 12563.1064 0 49 12806.0000 12563.1064 1.90% - 0s 0 0 12563.1710 0 51 12806.0000 12563.1710 1.90% - 0s 0 0 12563.2076 0 60 12806.0000 12563.2076 1.90% - 0s 0 0 12563.6944 0 44 12806.0000 12563.6944 1.89% - 0s 0 0 12564.9581 0 57 12806.0000 12564.9581 1.88% - 0s 0 0 12565.2043 0 61 12806.0000 12565.2043 1.88% - 0s 0 0 12565.4182 0 64 12806.0000 12565.4182 1.88% - 0s 0 0 12565.9173 0 61 12806.0000 12565.9173 1.87% - 0s 0 0 12566.4169 0 62 12806.0000 12566.4169 1.87% - 0s 0 0 12566.4906 0 65 12806.0000 12566.4906 1.87% - 0s 0 0 12566.5334 0 66 12806.0000 12566.5334 1.87% - 0s 0 2 12566.6195 0 66 12806.0000 12566.6195 1.87% - 1s * 212 80 13 12799.000000 12654.5000 1.13% 5.5 1s * 301 95 34 12798.000000 12680.0217 0.92% 5.5 1s * 404 109 8 12797.000000 12690.4643 0.83% 5.5 1s Cutting planes: Gomory: 6 Zero half: 9 Explored 759 nodes (4761 simplex iterations) in 1.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279700000000e+04, best bound 1.279600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 424 rows, 1128 columns and 104856 nonzeros Presolve time: 0.06s Presolved: 424 rows, 1128 columns, 104856 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start 0 0 12551.2292 0 44 47372.0000 12551.2292 73.5% - 0s 0 0 12557.8900 0 36 47372.0000 12557.8900 73.5% - 0s 0 0 12561.5955 0 42 47372.0000 12561.5955 73.5% - 0s 0 0 12561.5965 0 44 47372.0000 12561.5965 73.5% - 0s 0 0 12563.5903 0 42 47372.0000 12563.5903 73.5% - 0s H 0 0 13141.000000 12563.5903 4.39% - 0s H 0 0 12863.000000 12563.5903 2.33% - 0s 0 0 12563.7459 0 44 12863.0000 12563.7459 2.33% - 0s 0 0 12563.7459 0 39 12863.0000 12563.7459 2.33% - 0s 0 0 12563.7459 0 31 12863.0000 12563.7459 2.33% - 0s 0 0 12569.9593 0 42 12863.0000 12569.9593 2.28% - 0s 0 0 12571.4054 0 53 12863.0000 12571.4054 2.27% - 0s 0 0 12571.7606 0 55 12863.0000 12571.7606 2.26% - 0s 0 0 12571.9245 0 55 12863.0000 12571.9245 2.26% - 0s 0 0 12572.0483 0 61 12863.0000 12572.0483 2.26% - 0s 0 0 12572.2016 0 58 12863.0000 12572.2016 2.26% - 0s 0 0 12572.8494 0 49 12863.0000 12572.8494 2.26% - 0s 0 0 12573.0475 0 58 12863.0000 12573.0475 2.25% - 0s 0 0 12573.0657 0 58 12863.0000 12573.0657 2.25% - 1s 0 2 12573.3420 0 58 12863.0000 12573.3420 2.25% - 1s * 36 18 33 12797.000000 12589.3125 1.62% 6.8 1s Cutting planes: Gomory: 6 Zero half: 7 Explored 895 nodes (5453 simplex iterations) in 2.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279700000000e+04, best bound 1.279700000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (12, 13), (13, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 425 rows, 1128 columns and 105087 nonzeros Presolve time: 0.06s Presolved: 425 rows, 1128 columns, 105087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12913.000000 12538.0000 2.90% - 0s 0 0 12551.2292 0 44 12913.0000 12551.2292 2.80% - 0s 0 0 12551.2292 0 39 12913.0000 12551.2292 2.80% - 0s 0 0 12551.2292 0 44 12913.0000 12551.2292 2.80% - 0s 0 0 12556.5385 0 45 12913.0000 12556.5385 2.76% - 0s 0 0 12558.0100 0 44 12913.0000 12558.0100 2.75% - 0s 0 0 12558.8310 0 55 12913.0000 12558.8310 2.74% - 0s 0 0 12560.2368 0 44 12913.0000 12560.2368 2.73% - 0s 0 0 12560.5217 0 52 12913.0000 12560.5217 2.73% - 0s 0 0 12560.9592 0 60 12913.0000 12560.9592 2.73% - 0s 0 0 12561.0000 0 38 12913.0000 12561.0000 2.73% - 0s 0 0 12561.3459 0 61 12913.0000 12561.3459 2.72% - 0s 0 0 12561.3598 0 61 12913.0000 12561.3598 2.72% - 0s H 0 0 12840.000000 12561.3598 2.17% - 0s 0 2 12561.5022 0 61 12840.0000 12561.5022 2.17% - 1s * 79 33 38 12825.000000 12617.3333 1.62% 5.1 1s * 104 44 22 12807.000000 12622.1667 1.44% 5.0 1s H 108 46 12798.000000 12640.0000 1.23% 5.0 1s * 578 56 18 12797.000000 12738.3333 0.46% 5.8 1s Cutting planes: Gomory: 4 Zero half: 10 Explored 693 nodes (4199 simplex iterations) in 1.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279700000000e+04, best bound 1.279700000000e+04, gap 0.0% adding cut for [(2, 23), (2, 38), (7, 28), (7, 37), (8, 19), (8, 28), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 426 rows, 1128 columns and 105363 nonzeros Presolve time: 0.06s Presolved: 426 rows, 1128 columns, 105363 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12901.000000 12538.0000 2.81% - 0s 0 0 12551.2292 0 44 12901.0000 12551.2292 2.71% - 0s 0 0 12551.2292 0 39 12901.0000 12551.2292 2.71% - 0s 0 0 12551.2292 0 44 12901.0000 12551.2292 2.71% - 0s 0 0 12557.8900 0 36 12901.0000 12557.8900 2.66% - 0s 0 0 12561.4118 0 43 12901.0000 12561.4118 2.63% - 0s 0 0 12561.5744 0 52 12901.0000 12561.5744 2.63% - 0s 0 0 12563.6525 0 49 12901.0000 12563.6525 2.61% - 0s 0 0 12563.9206 0 54 12901.0000 12563.9206 2.61% - 0s 0 0 12564.7136 0 45 12901.0000 12564.7136 2.61% - 0s 0 0 12564.8191 0 55 12901.0000 12564.8191 2.61% - 0s 0 0 12564.9573 0 55 12901.0000 12564.9573 2.60% - 0s 0 0 12564.9722 0 57 12901.0000 12564.9722 2.60% - 0s 0 0 12565.1731 0 43 12901.0000 12565.1731 2.60% - 0s 0 0 12566.4068 0 55 12901.0000 12566.4068 2.59% - 0s 0 0 12566.7644 0 63 12901.0000 12566.7644 2.59% - 0s 0 0 12566.8611 0 51 12901.0000 12566.8611 2.59% - 0s 0 0 12567.0713 0 56 12901.0000 12567.0713 2.59% - 0s 0 0 12567.1532 0 65 12901.0000 12567.1532 2.59% - 0s 0 0 12567.2178 0 57 12901.0000 12567.2178 2.59% - 0s 0 0 12567.4840 0 65 12901.0000 12567.4840 2.59% - 0s 0 0 12568.0185 0 63 12901.0000 12568.0185 2.58% - 0s 0 0 12568.2566 0 57 12901.0000 12568.2566 2.58% - 0s 0 0 12568.4757 0 65 12901.0000 12568.4757 2.58% - 0s 0 0 12569.0292 0 57 12901.0000 12569.0292 2.57% - 0s 0 0 12569.3108 0 59 12901.0000 12569.3108 2.57% - 0s 0 0 12569.4131 0 60 12901.0000 12569.4131 2.57% - 0s 0 0 12569.4879 0 65 12901.0000 12569.4879 2.57% - 0s H 0 0 12809.000000 12569.4879 1.87% - 1s 0 2 12569.6212 0 65 12809.0000 12569.6212 1.87% - 1s * 42 19 37 12798.000000 12587.8192 1.64% 7.7 1s Cutting planes: Gomory: 5 Zero half: 12 Explored 717 nodes (4577 simplex iterations) in 2.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279800000000e+04, best bound 1.279700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 24), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 427 rows, 1128 columns and 105663 nonzeros Presolve time: 0.06s Presolved: 427 rows, 1128 columns, 105663 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12815.000000 12538.0000 2.16% - 0s 0 0 12551.1875 0 36 12815.0000 12551.1875 2.06% - 0s 0 0 12551.1875 0 39 12815.0000 12551.1875 2.06% - 0s 0 0 12551.2837 0 44 12815.0000 12551.2837 2.06% - 0s 0 0 12557.8900 0 36 12815.0000 12557.8900 2.01% - 0s 0 0 12560.8966 0 38 12815.0000 12560.8966 1.98% - 0s 0 0 12561.7241 0 54 12815.0000 12561.7241 1.98% - 0s 0 0 12565.0661 0 46 12815.0000 12565.0661 1.95% - 0s 0 0 12565.2416 0 51 12815.0000 12565.2416 1.95% - 0s 0 0 12565.4462 0 60 12815.0000 12565.4462 1.95% - 0s 0 0 12565.7919 0 48 12815.0000 12565.7919 1.94% - 0s 0 0 12566.3612 0 47 12815.0000 12566.3612 1.94% - 0s 0 0 12566.4415 0 59 12815.0000 12566.4415 1.94% - 0s 0 0 12566.9356 0 56 12815.0000 12566.9356 1.94% - 0s 0 0 12567.1892 0 53 12815.0000 12567.1892 1.93% - 0s 0 0 12567.4593 0 65 12815.0000 12567.4593 1.93% - 0s 0 0 12567.6534 0 60 12815.0000 12567.6534 1.93% - 0s 0 2 12567.6969 0 60 12815.0000 12567.6969 1.93% - 1s * 38 19 34 12803.000000 12589.4658 1.67% 6.5 1s * 140 82 16 12798.000000 12621.2500 1.38% 5.6 1s Cutting planes: Gomory: 6 Zero half: 11 Explored 757 nodes (4588 simplex iterations) in 1.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279800000000e+04, best bound 1.279700000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (16, 33), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 428 rows, 1128 columns and 105939 nonzeros Presolve time: 0.06s Presolved: 428 rows, 1128 columns, 105939 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12913.000000 12538.0000 2.90% - 0s 0 0 12551.2292 0 44 12913.0000 12551.2292 2.80% - 0s 0 0 12551.2292 0 39 12913.0000 12551.2292 2.80% - 0s 0 0 12551.2292 0 44 12913.0000 12551.2292 2.80% - 0s 0 0 12556.5385 0 45 12913.0000 12556.5385 2.76% - 0s 0 0 12558.0100 0 44 12913.0000 12558.0100 2.75% - 0s 0 0 12558.8310 0 55 12913.0000 12558.8310 2.74% - 0s 0 0 12560.2368 0 44 12913.0000 12560.2368 2.73% - 0s 0 0 12560.5217 0 52 12913.0000 12560.5217 2.73% - 0s 0 0 12560.9592 0 60 12913.0000 12560.9592 2.73% - 0s 0 0 12561.0000 0 38 12913.0000 12561.0000 2.73% - 0s 0 0 12561.3459 0 61 12913.0000 12561.3459 2.72% - 0s 0 0 12561.3598 0 61 12913.0000 12561.3598 2.72% - 0s H 0 0 12849.000000 12561.3598 2.24% - 0s H 0 0 12826.000000 12561.3598 2.06% - 0s 0 2 12561.5022 0 61 12826.0000 12561.5022 2.06% - 1s H 27 13 12812.000000 12610.5000 1.57% 8.0 1s H 54 24 12799.000000 12617.3333 1.42% 6.0 1s * 165 61 8 12798.000000 12649.0000 1.16% 6.0 1s Cutting planes: Gomory: 5 Zero half: 10 Explored 626 nodes (3995 simplex iterations) in 1.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279800000000e+04, best bound 1.279800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 429 rows, 1128 columns and 106239 nonzeros Presolve time: 0.06s Presolved: 429 rows, 1128 columns, 106239 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12879.000000 12538.0000 2.65% - 0s 0 0 12551.2292 0 44 12879.0000 12551.2292 2.55% - 0s 0 0 12551.2292 0 39 12879.0000 12551.2292 2.55% - 0s 0 0 12551.2292 0 44 12879.0000 12551.2292 2.55% - 0s 0 0 12556.5385 0 45 12879.0000 12556.5385 2.50% - 0s 0 0 12558.1300 0 44 12879.0000 12558.1300 2.49% - 0s 0 0 12558.8736 0 56 12879.0000 12558.8736 2.49% - 0s 0 0 12559.2715 0 58 12879.0000 12559.2715 2.48% - 0s 0 0 12559.9167 0 57 12879.0000 12559.9167 2.48% - 0s 0 0 12561.5417 0 51 12879.0000 12561.5417 2.46% - 0s 0 0 12561.5709 0 59 12879.0000 12561.5709 2.46% - 0s 0 0 12561.7367 0 54 12879.0000 12561.7367 2.46% - 0s 0 0 12561.8233 0 64 12879.0000 12561.8233 2.46% - 0s 0 0 12562.0965 0 53 12879.0000 12562.0965 2.46% - 0s 0 0 12562.1328 0 58 12879.0000 12562.1328 2.46% - 0s 0 0 12562.1806 0 64 12879.0000 12562.1806 2.46% - 0s 0 0 12562.8117 0 64 12879.0000 12562.8117 2.46% - 0s 0 0 12563.0658 0 43 12879.0000 12563.0658 2.45% - 0s 0 0 12563.0781 0 64 12879.0000 12563.0781 2.45% - 0s 0 0 12563.2876 0 64 12879.0000 12563.2876 2.45% - 0s 0 0 12563.3115 0 62 12879.0000 12563.3115 2.45% - 0s 0 0 12563.3276 0 69 12879.0000 12563.3276 2.45% - 0s 0 0 12563.6403 0 56 12879.0000 12563.6403 2.45% - 0s 0 0 12563.6737 0 66 12879.0000 12563.6737 2.45% - 0s 0 0 12563.6814 0 66 12879.0000 12563.6814 2.45% - 0s H 0 0 12816.000000 12563.6814 1.97% - 1s 0 2 12564.2152 0 66 12816.0000 12564.2152 1.96% - 1s * 57 26 29 12808.000000 12615.0000 1.51% 6.8 1s * 94 45 16 12804.000000 12631.0000 1.35% 7.1 1s * 133 68 18 12801.000000 12641.0000 1.25% 6.5 1s * 151 72 11 12799.000000 12644.5789 1.21% 6.5 1s Cutting planes: Gomory: 3 Zero half: 16 Explored 694 nodes (4577 simplex iterations) in 2.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279900000000e+04, best bound 1.279900000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (13, 21), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 430 rows, 1128 columns and 106515 nonzeros Presolve time: 0.06s Presolved: 430 rows, 1128 columns, 106515 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12913.000000 12538.0000 2.90% - 0s 0 0 12551.2292 0 44 12913.0000 12551.2292 2.80% - 0s 0 0 12551.2292 0 39 12913.0000 12551.2292 2.80% - 0s 0 0 12551.2292 0 44 12913.0000 12551.2292 2.80% - 0s 0 0 12556.5385 0 45 12913.0000 12556.5385 2.76% - 0s 0 0 12558.0100 0 44 12913.0000 12558.0100 2.75% - 0s 0 0 12558.8310 0 55 12913.0000 12558.8310 2.74% - 0s 0 0 12560.2368 0 44 12913.0000 12560.2368 2.73% - 0s 0 0 12560.5217 0 52 12913.0000 12560.5217 2.73% - 0s 0 0 12560.9592 0 60 12913.0000 12560.9592 2.73% - 0s 0 0 12561.0000 0 38 12913.0000 12561.0000 2.73% - 0s 0 0 12561.3459 0 61 12913.0000 12561.3459 2.72% - 0s 0 0 12561.3598 0 61 12913.0000 12561.3598 2.72% - 0s H 0 0 12849.000000 12561.3598 2.24% - 0s H 0 0 12826.000000 12561.3598 2.06% - 0s 0 2 12561.5022 0 61 12826.0000 12561.5022 2.06% - 1s H 27 13 12812.000000 12610.5000 1.57% 8.0 1s H 54 24 12799.000000 12617.3333 1.42% 6.0 1s Cutting planes: Gomory: 5 Zero half: 10 Explored 636 nodes (4020 simplex iterations) in 1.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279900000000e+04, best bound 1.279800000000e+04, gap 0.0078% adding cut for [(33, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 431 rows, 1128 columns and 106705 nonzeros Presolve time: 0.06s Presolved: 431 rows, 1128 columns, 106705 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start 0 0 12551.2292 0 44 47372.0000 12551.2292 73.5% - 0s 0 0 12557.8900 0 36 47372.0000 12557.8900 73.5% - 0s 0 0 12560.8966 0 38 47372.0000 12560.8966 73.5% - 0s 0 0 12561.4110 0 50 47372.0000 12561.4110 73.5% - 0s 0 0 12564.4321 0 47 47372.0000 12564.4321 73.5% - 0s 0 0 12564.6216 0 51 47372.0000 12564.6216 73.5% - 0s 0 0 12564.6695 0 47 47372.0000 12564.6695 73.5% - 0s 0 0 12564.7693 0 60 47372.0000 12564.7693 73.5% - 0s 0 0 12566.1667 0 48 47372.0000 12566.1667 73.5% - 0s 0 0 12566.2778 0 56 47372.0000 12566.2778 73.5% - 0s 0 0 12566.4030 0 60 47372.0000 12566.4030 73.5% - 0s 0 0 12566.8941 0 52 47372.0000 12566.8941 73.5% - 0s 0 0 12567.3747 0 59 47372.0000 12567.3747 73.5% - 0s 0 0 12567.5013 0 64 47372.0000 12567.5013 73.5% - 0s H 0 0 14327.000000 12567.5013 12.3% - 0s H 0 0 13171.000000 12567.5013 4.58% - 0s H 0 0 12863.000000 12567.5013 2.30% - 0s 0 0 12567.6403 0 64 12863.0000 12567.6403 2.30% - 0s 0 0 12567.6403 0 39 12863.0000 12567.6403 2.30% - 1s 0 0 12567.6403 0 44 12863.0000 12567.6403 2.30% - 1s 0 0 12567.6403 0 50 12863.0000 12567.6403 2.30% - 1s 0 0 12567.6403 0 55 12863.0000 12567.6403 2.30% - 1s 0 0 12567.6403 0 64 12863.0000 12567.6403 2.30% - 1s 0 0 12567.7674 0 64 12863.0000 12567.7674 2.30% - 1s 0 0 12567.8995 0 53 12863.0000 12567.8995 2.29% - 1s 0 0 12567.9144 0 64 12863.0000 12567.9144 2.29% - 1s H 0 0 12822.000000 12567.9144 1.98% - 1s 0 2 12567.9288 0 64 12822.0000 12567.9288 1.98% - 1s * 41 19 39 12807.000000 12600.7449 1.61% 7.0 1s * 57 23 12 12803.000000 12617.3333 1.45% 8.1 1s * 231 76 12 12802.000000 12659.0000 1.12% 5.9 2s * 299 89 13 12801.000000 12684.3333 0.91% 5.8 2s * 372 91 13 12799.000000 12693.5000 0.82% 5.9 2s Cutting planes: Gomory: 4 Zero half: 13 Explored 642 nodes (4220 simplex iterations) in 2.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279900000000e+04, best bound 1.279900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 432 rows, 1128 columns and 106981 nonzeros Presolve time: 0.06s Presolved: 432 rows, 1128 columns, 106981 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12876.000000 12538.0000 2.63% - 0s 0 0 12551.2292 0 44 12876.0000 12551.2292 2.52% - 0s 0 0 12551.2292 0 39 12876.0000 12551.2292 2.52% - 0s 0 0 12551.2292 0 44 12876.0000 12551.2292 2.52% - 0s 0 0 12557.8900 0 36 12876.0000 12557.8900 2.47% - 0s 0 0 12560.8966 0 38 12876.0000 12560.8966 2.45% - 0s 0 0 12563.0513 0 50 12876.0000 12563.0513 2.43% - 0s 0 0 12563.2076 0 55 12876.0000 12563.2076 2.43% - 0s 0 0 12564.4859 0 47 12876.0000 12564.4859 2.42% - 0s 0 0 12564.6706 0 54 12876.0000 12564.6706 2.42% - 0s 0 0 12565.6898 0 53 12876.0000 12565.6898 2.41% - 0s 0 0 12565.7824 0 60 12876.0000 12565.7824 2.41% - 0s 0 0 12566.1045 0 56 12876.0000 12566.1045 2.41% - 0s 0 0 12566.2620 0 56 12876.0000 12566.2620 2.41% - 0s 0 2 12567.3367 0 56 12876.0000 12567.3367 2.40% - 0s * 37 24 34 12871.000000 12589.5385 2.19% 6.6 1s * 71 47 31 12808.000000 12590.3462 1.70% 6.4 1s * 123 70 35 12799.000000 12639.4667 1.25% 5.9 1s Cutting planes: Gomory: 4 Zero half: 7 Explored 718 nodes (4463 simplex iterations) in 1.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.279900000000e+04, best bound 1.279900000000e+04, gap 0.0% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (23, 38), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 433 rows, 1128 columns and 107191 nonzeros Presolve time: 0.06s Presolved: 433 rows, 1128 columns, 107191 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12903.000000 12538.0000 2.83% - 0s 0 0 12551.2292 0 44 12903.0000 12551.2292 2.73% - 0s 0 0 12551.2292 0 39 12903.0000 12551.2292 2.73% - 0s 0 0 12551.2292 0 44 12903.0000 12551.2292 2.73% - 0s 0 0 12556.5385 0 45 12903.0000 12556.5385 2.69% - 0s 0 0 12558.0100 0 44 12903.0000 12558.0100 2.67% - 0s 0 0 12558.8310 0 55 12903.0000 12558.8310 2.67% - 0s 0 0 12560.2368 0 44 12903.0000 12560.2368 2.66% - 0s 0 0 12560.5466 0 52 12903.0000 12560.5466 2.65% - 0s 0 0 12561.0000 0 44 12903.0000 12561.0000 2.65% - 0s 0 0 12561.0983 0 56 12903.0000 12561.0983 2.65% - 0s 0 0 12561.1223 0 61 12903.0000 12561.1223 2.65% - 0s 0 0 12561.4157 0 55 12903.0000 12561.4157 2.65% - 0s 0 0 12561.6273 0 59 12903.0000 12561.6273 2.65% - 0s 0 0 12561.9940 0 57 12903.0000 12561.9940 2.64% - 0s 0 0 12562.0063 0 65 12903.0000 12562.0063 2.64% - 0s 0 0 12562.1105 0 66 12903.0000 12562.1105 2.64% - 0s 0 0 12562.3643 0 59 12903.0000 12562.3643 2.64% - 0s 0 0 12562.3809 0 64 12903.0000 12562.3809 2.64% - 0s 0 0 12562.7136 0 60 12903.0000 12562.7136 2.64% - 0s 0 0 12562.7576 0 65 12903.0000 12562.7576 2.64% - 0s 0 0 12562.7845 0 67 12903.0000 12562.7845 2.64% - 0s 0 0 12562.9352 0 69 12903.0000 12562.9352 2.64% - 0s 0 0 12563.1875 0 64 12903.0000 12563.1875 2.63% - 1s 0 0 12563.3655 0 66 12903.0000 12563.3655 2.63% - 1s 0 0 12566.9800 0 64 12903.0000 12566.9800 2.60% - 1s 0 0 12567.4310 0 70 12903.0000 12567.4310 2.60% - 1s 0 0 12567.7921 0 65 12903.0000 12567.7921 2.60% - 1s 0 0 12568.0912 0 67 12903.0000 12568.0912 2.60% - 1s 0 0 12568.4147 0 66 12903.0000 12568.4147 2.59% - 1s H 0 0 12882.000000 12568.4147 2.43% - 1s H 0 0 12818.000000 12568.4147 1.95% - 1s 0 2 12568.5997 0 66 12818.0000 12568.5997 1.95% - 1s * 118 51 10 12810.000000 12626.7333 1.43% 7.0 1s * 121 47 7 12801.000000 12629.0000 1.34% 7.1 1s * 209 61 15 12800.000000 12664.2045 1.06% 6.9 2s Cutting planes: Gomory: 4 Zero half: 11 Mod-K: 2 Explored 741 nodes (4956 simplex iterations) in 2.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280000000000e+04, best bound 1.280000000000e+04, gap 0.0% adding cut for [(4, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 434 rows, 1128 columns and 107422 nonzeros Presolve time: 0.06s Presolved: 434 rows, 1128 columns, 107422 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12903.000000 12538.0000 2.83% - 0s 0 0 12551.2292 0 44 12903.0000 12551.2292 2.73% - 0s 0 0 12551.2292 0 39 12903.0000 12551.2292 2.73% - 0s 0 0 12551.2292 0 44 12903.0000 12551.2292 2.73% - 0s 0 0 12556.5385 0 45 12903.0000 12556.5385 2.69% - 0s 0 0 12558.0100 0 44 12903.0000 12558.0100 2.67% - 0s 0 0 12558.8310 0 55 12903.0000 12558.8310 2.67% - 0s 0 0 12560.2368 0 44 12903.0000 12560.2368 2.66% - 0s 0 0 12560.5466 0 52 12903.0000 12560.5466 2.65% - 0s 0 0 12561.0000 0 44 12903.0000 12561.0000 2.65% - 0s 0 0 12561.0983 0 56 12903.0000 12561.0983 2.65% - 0s 0 0 12561.1223 0 61 12903.0000 12561.1223 2.65% - 0s 0 0 12561.4157 0 55 12903.0000 12561.4157 2.65% - 0s 0 0 12561.6273 0 59 12903.0000 12561.6273 2.65% - 0s 0 0 12561.9940 0 57 12903.0000 12561.9940 2.64% - 0s 0 0 12562.0063 0 65 12903.0000 12562.0063 2.64% - 0s 0 0 12562.1105 0 66 12903.0000 12562.1105 2.64% - 0s 0 0 12562.3643 0 59 12903.0000 12562.3643 2.64% - 0s 0 0 12562.3809 0 64 12903.0000 12562.3809 2.64% - 0s 0 0 12562.7136 0 60 12903.0000 12562.7136 2.64% - 0s 0 0 12562.7576 0 65 12903.0000 12562.7576 2.64% - 0s 0 0 12562.9427 0 67 12903.0000 12562.9427 2.64% - 0s 0 0 12562.9893 0 67 12903.0000 12562.9893 2.64% - 0s 0 0 12563.1909 0 66 12903.0000 12563.1909 2.63% - 0s 0 0 12563.3155 0 66 12903.0000 12563.3155 2.63% - 1s 0 0 12564.8385 0 64 12903.0000 12564.8385 2.62% - 1s 0 0 12564.9599 0 66 12903.0000 12564.9599 2.62% - 1s 0 0 12565.5104 0 64 12903.0000 12565.5104 2.62% - 1s 0 0 12565.8124 0 69 12903.0000 12565.8124 2.61% - 1s 0 0 12565.9166 0 72 12903.0000 12565.9166 2.61% - 1s 0 0 12566.3505 0 70 12903.0000 12566.3505 2.61% - 1s 0 0 12566.6413 0 69 12903.0000 12566.6413 2.61% - 1s 0 0 12566.7344 0 71 12903.0000 12566.7344 2.61% - 1s 0 0 12567.0896 0 70 12903.0000 12567.0896 2.60% - 1s 0 0 12567.5365 0 69 12903.0000 12567.5365 2.60% - 1s H 0 0 12882.000000 12567.5365 2.44% - 1s H 0 0 12879.000000 12567.5365 2.42% - 1s 0 2 12568.0796 0 69 12879.0000 12568.0796 2.41% - 1s * 32 22 31 12811.000000 12592.1304 1.71% 9.8 1s * 60 36 23 12803.000000 12598.5000 1.60% 8.3 1s * 137 66 6 12801.000000 12643.2000 1.23% 7.2 2s * 410 100 14 12800.000000 12706.1667 0.73% 6.4 2s Cutting planes: Gomory: 3 Zero half: 16 Mod-K: 2 Explored 783 nodes (4924 simplex iterations) in 2.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280000000000e+04, best bound 1.280000000000e+04, gap 0.0% adding cut for [(33, 46), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 435 rows, 1128 columns and 107632 nonzeros Presolve time: 0.06s Presolved: 435 rows, 1128 columns, 107632 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12840.000000 12538.0000 2.35% - 0s 0 0 12551.2292 0 44 12840.0000 12551.2292 2.25% - 0s 0 0 12551.2292 0 39 12840.0000 12551.2292 2.25% - 0s 0 0 12551.2292 0 44 12840.0000 12551.2292 2.25% - 0s 0 0 12557.1031 0 44 12840.0000 12557.1031 2.20% - 0s 0 0 12557.2364 0 50 12840.0000 12557.2364 2.20% - 0s 0 0 12564.1899 0 44 12840.0000 12564.1899 2.15% - 0s 0 0 12564.4008 0 52 12840.0000 12564.4008 2.15% - 0s 0 0 12565.0893 0 53 12840.0000 12565.0893 2.14% - 0s 0 0 12565.4211 0 60 12840.0000 12565.4211 2.14% - 0s 0 0 12567.3497 0 59 12840.0000 12567.3497 2.12% - 0s 0 0 12567.3929 0 59 12840.0000 12567.3929 2.12% - 0s H 0 0 12838.000000 12567.3929 2.11% - 0s 0 2 12567.6667 0 59 12838.0000 12567.6667 2.11% - 0s * 37 21 34 12815.000000 12590.8364 1.75% 6.2 1s H 39 21 12812.000000 12593.6667 1.70% 6.0 1s * 62 34 25 12807.000000 12597.5091 1.64% 6.1 1s * 103 55 21 12803.000000 12603.5000 1.56% 5.6 1s * 104 50 21 12802.000000 12603.5000 1.55% 5.6 1s * 176 72 22 12800.000000 12636.0000 1.28% 6.5 1s Cutting planes: Gomory: 7 Zero half: 7 Explored 667 nodes (4589 simplex iterations) in 1.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280000000000e+04, best bound 1.280000000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 436 rows, 1128 columns and 107908 nonzeros Presolve time: 0.06s Presolved: 436 rows, 1128 columns, 107908 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12806.000000 12538.0000 2.09% - 0s 0 0 12551.2292 0 44 12806.0000 12551.2292 1.99% - 0s 0 0 12551.2292 0 39 12806.0000 12551.2292 1.99% - 0s 0 0 12551.2292 0 44 12806.0000 12551.2292 1.99% - 0s 0 0 12557.8900 0 36 12806.0000 12557.8900 1.94% - 0s 0 0 12561.5955 0 42 12806.0000 12561.5955 1.91% - 0s 0 0 12561.5965 0 44 12806.0000 12561.5965 1.91% - 0s 0 0 12561.7019 0 47 12806.0000 12561.7019 1.91% - 0s 0 0 12561.7779 0 52 12806.0000 12561.7779 1.91% - 0s 0 0 12561.9753 0 55 12806.0000 12561.9753 1.91% - 0s 0 0 12562.8945 0 53 12806.0000 12562.8945 1.90% - 0s 0 0 12562.9646 0 60 12806.0000 12562.9646 1.90% - 0s 0 0 12564.2369 0 55 12806.0000 12564.2369 1.89% - 0s 0 0 12564.3762 0 61 12806.0000 12564.3762 1.89% - 0s 0 0 12564.5941 0 53 12806.0000 12564.5941 1.89% - 0s 0 0 12565.3202 0 58 12806.0000 12565.3202 1.88% - 0s 0 0 12565.5573 0 66 12806.0000 12565.5573 1.88% - 0s 0 0 12565.9375 0 65 12806.0000 12565.9375 1.87% - 0s 0 0 12565.9477 0 64 12806.0000 12565.9477 1.87% - 0s 0 0 12566.1124 0 58 12806.0000 12566.1124 1.87% - 0s 0 0 12566.1964 0 66 12806.0000 12566.1964 1.87% - 0s 0 0 12566.6000 0 51 12806.0000 12566.6000 1.87% - 0s 0 0 12566.9483 0 64 12806.0000 12566.9483 1.87% - 0s 0 0 12567.0305 0 60 12806.0000 12567.0305 1.87% - 0s 0 0 12567.1268 0 66 12806.0000 12567.1268 1.87% - 0s 0 2 12568.1838 0 66 12806.0000 12568.1838 1.86% - 1s * 28 13 25 12803.000000 12598.6667 1.60% 8.5 1s * 53 28 24 12802.000000 12618.0000 1.44% 7.0 1s * 152 69 13 12801.000000 12655.0000 1.14% 6.4 1s Cutting planes: Gomory: 6 Zero half: 11 Mod-K: 1 Explored 820 nodes (4802 simplex iterations) in 2.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280100000000e+04, best bound 1.280100000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 437 rows, 1128 columns and 108161 nonzeros Presolve time: 0.06s Presolved: 437 rows, 1128 columns, 108161 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253800e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.0000 0 39 47372.0000 12538.0000 73.5% - 0s Another try with MIP start H 0 0 12876.000000 12538.0000 2.63% - 0s 0 0 12551.2292 0 44 12876.0000 12551.2292 2.52% - 0s 0 0 12551.2292 0 39 12876.0000 12551.2292 2.52% - 0s 0 0 12551.2292 0 44 12876.0000 12551.2292 2.52% - 0s H 0 0 12875.000000 12551.2292 2.51% - 0s 0 0 12556.5385 0 45 12875.0000 12556.5385 2.47% - 0s 0 0 12558.1300 0 44 12875.0000 12558.1300 2.46% - 0s 0 0 12558.9109 0 56 12875.0000 12558.9109 2.46% - 0s 0 0 12560.2449 0 44 12875.0000 12560.2449 2.44% - 0s 0 0 12560.4980 0 50 12875.0000 12560.4980 2.44% - 0s 0 0 12561.0342 0 52 12875.0000 12561.0342 2.44% - 0s 0 0 12561.1656 0 62 12875.0000 12561.1656 2.44% - 0s 0 0 12561.6539 0 59 12875.0000 12561.6539 2.43% - 0s 0 0 12562.0429 0 57 12875.0000 12562.0429 2.43% - 0s 0 0 12562.3813 0 64 12875.0000 12562.3813 2.43% - 0s 0 0 12562.7101 0 58 12875.0000 12562.7101 2.43% - 0s 0 0 12563.7301 0 56 12875.0000 12563.7301 2.42% - 0s 0 0 12563.8337 0 62 12875.0000 12563.8337 2.42% - 0s 0 0 12564.1818 0 62 12875.0000 12564.1818 2.41% - 0s 0 0 12564.4682 0 63 12875.0000 12564.4682 2.41% - 0s 0 0 12564.6249 0 59 12875.0000 12564.6249 2.41% - 0s 0 0 12564.7010 0 65 12875.0000 12564.7010 2.41% - 0s 0 0 12564.7131 0 69 12875.0000 12564.7131 2.41% - 0s 0 2 12564.8356 0 69 12875.0000 12564.8356 2.41% - 1s * 30 15 29 12854.000000 12584.7500 2.09% 8.5 1s * 53 29 20 12835.000000 12606.2500 1.78% 8.0 1s * 88 51 8 12833.000000 12620.0000 1.66% 6.5 1s * 124 72 14 12831.000000 12620.0000 1.64% 6.5 1s * 146 84 13 12819.000000 12628.0769 1.49% 6.5 1s * 160 74 7 12804.000000 12631.5000 1.35% 6.5 1s * 184 75 8 12801.000000 12639.0000 1.27% 6.5 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 724 nodes (4430 simplex iterations) in 2.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280100000000e+04, best bound 1.280100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46), (40, 46)] Optimize a model with 438 rows, 1128 columns and 108414 nonzeros Presolve time: 0.06s Presolved: 438 rows, 1128 columns, 108414 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12880.000000 12538.8000 2.65% - 0s 0 0 12559.8857 0 49 12880.0000 12559.8857 2.49% - 0s 0 0 12559.8857 0 37 12880.0000 12559.8857 2.49% - 0s 0 0 12559.8857 0 49 12880.0000 12559.8857 2.49% - 0s 0 0 12560.0556 0 50 12880.0000 12560.0556 2.48% - 0s 0 0 12560.2462 0 57 12880.0000 12560.2462 2.48% - 0s H 0 0 12833.000000 12560.2462 2.13% - 0s 0 0 12560.3333 0 41 12833.0000 12560.3333 2.12% - 0s 0 0 12560.7378 0 62 12833.0000 12560.7378 2.12% - 0s 0 0 12561.5503 0 53 12833.0000 12561.5503 2.12% - 0s 0 0 12561.8042 0 55 12833.0000 12561.8042 2.11% - 0s 0 0 12561.9633 0 64 12833.0000 12561.9633 2.11% - 0s 0 0 12562.4852 0 59 12833.0000 12562.4852 2.11% - 0s 0 0 12562.7073 0 67 12833.0000 12562.7073 2.11% - 0s 0 0 12563.3568 0 60 12833.0000 12563.3568 2.10% - 0s 0 0 12563.5823 0 61 12833.0000 12563.5823 2.10% - 0s 0 0 12563.6276 0 68 12833.0000 12563.6276 2.10% - 0s 0 0 12564.9068 0 58 12833.0000 12564.9068 2.09% - 0s 0 0 12565.8653 0 59 12833.0000 12565.8653 2.08% - 0s 0 0 12566.2836 0 64 12833.0000 12566.2836 2.08% - 0s 0 0 12566.3490 0 66 12833.0000 12566.3490 2.08% - 0s 0 0 12566.5168 0 62 12833.0000 12566.5168 2.08% - 0s 0 0 12566.6132 0 71 12833.0000 12566.6132 2.08% - 0s 0 0 12566.7563 0 68 12833.0000 12566.7563 2.07% - 0s 0 0 12566.9186 0 74 12833.0000 12566.9186 2.07% - 0s 0 0 12567.0653 0 67 12833.0000 12567.0653 2.07% - 0s 0 0 12567.0828 0 68 12833.0000 12567.0828 2.07% - 0s 0 0 12567.3256 0 52 12833.0000 12567.3256 2.07% - 0s 0 0 12567.5480 0 71 12833.0000 12567.5480 2.07% - 0s 0 0 12567.7007 0 61 12833.0000 12567.7007 2.07% - 0s 0 0 12567.7192 0 66 12833.0000 12567.7192 2.07% - 0s 0 2 12567.7212 0 66 12833.0000 12567.7212 2.07% - 1s * 52 21 9 12808.000000 12619.1810 1.47% 7.4 1s * 53 19 9 12802.000000 12619.1810 1.43% 7.3 1s * 542 44 7 12801.000000 12732.5000 0.54% 6.3 2s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 2 Explored 632 nodes (4285 simplex iterations) in 2.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280100000000e+04, best bound 1.280100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 439 rows, 1128 columns and 108690 nonzeros Presolve time: 0.06s Presolved: 439 rows, 1128 columns, 108690 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12841.000000 12538.8000 2.35% - 0s 0 0 12559.8857 0 49 12841.0000 12559.8857 2.19% - 0s 0 0 12559.8857 0 37 12841.0000 12559.8857 2.19% - 0s 0 0 12559.8857 0 49 12841.0000 12559.8857 2.19% - 0s 0 0 12560.0741 0 50 12841.0000 12560.0741 2.19% - 0s 0 0 12560.2626 0 57 12841.0000 12560.2626 2.19% - 0s 0 0 12560.5217 0 48 12841.0000 12560.5217 2.18% - 0s 0 0 12560.6400 0 55 12841.0000 12560.6400 2.18% - 0s 0 0 12561.0796 0 63 12841.0000 12561.0796 2.18% - 0s 0 0 12561.7587 0 56 12841.0000 12561.7587 2.17% - 0s 0 0 12562.2102 0 63 12841.0000 12562.2102 2.17% - 0s 0 0 12562.8543 0 59 12841.0000 12562.8543 2.17% - 0s 0 0 12563.0434 0 67 12841.0000 12563.0434 2.16% - 0s 0 0 12563.9536 0 56 12841.0000 12563.9536 2.16% - 0s 0 0 12564.3158 0 65 12841.0000 12564.3158 2.15% - 0s 0 0 12564.4585 0 66 12841.0000 12564.4585 2.15% - 0s 0 0 12564.5754 0 69 12841.0000 12564.5754 2.15% - 0s 0 0 12565.0918 0 59 12841.0000 12565.0918 2.15% - 0s 0 0 12565.3619 0 68 12841.0000 12565.3619 2.15% - 0s 0 0 12565.7542 0 65 12841.0000 12565.7542 2.14% - 0s 0 0 12565.9648 0 70 12841.0000 12565.9648 2.14% - 0s 0 0 12566.3860 0 69 12841.0000 12566.3860 2.14% - 0s 0 2 12566.4259 0 69 12841.0000 12566.4259 2.14% - 1s * 38 18 34 12810.000000 12602.9167 1.62% 8.5 1s * 43 17 36 12802.000000 12602.9167 1.56% 7.8 1s Cutting planes: Gomory: 2 Zero half: 16 Explored 976 nodes (5462 simplex iterations) in 2.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280200000000e+04, best bound 1.280200000000e+04, gap 0.0% adding cut for [(4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 440 rows, 1128 columns and 108921 nonzeros Presolve time: 0.06s Presolved: 440 rows, 1128 columns, 108921 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12922.000000 12538.8000 2.97% - 0s 0 0 12559.8857 0 49 12922.0000 12559.8857 2.80% - 0s 0 0 12559.8857 0 37 12922.0000 12559.8857 2.80% - 0s H 0 0 12877.000000 12559.8857 2.46% - 0s 0 0 12559.8857 0 49 12877.0000 12559.8857 2.46% - 0s 0 0 12560.0556 0 50 12877.0000 12560.0556 2.46% - 0s 0 0 12560.2462 0 57 12877.0000 12560.2462 2.46% - 0s 0 0 12560.6087 0 53 12877.0000 12560.6087 2.46% - 0s 0 0 12560.8490 0 55 12877.0000 12560.8490 2.46% - 0s 0 0 12561.2668 0 64 12877.0000 12561.2668 2.45% - 0s 0 0 12561.8829 0 64 12877.0000 12561.8829 2.45% - 0s 0 0 12562.7573 0 67 12877.0000 12562.7573 2.44% - 0s 0 0 12563.1781 0 59 12877.0000 12563.1781 2.44% - 0s 0 0 12563.4537 0 62 12877.0000 12563.4537 2.43% - 0s 0 0 12563.9793 0 65 12877.0000 12563.9793 2.43% - 0s 0 0 12564.1304 0 64 12877.0000 12564.1304 2.43% - 0s 0 0 12564.2463 0 68 12877.0000 12564.2463 2.43% - 0s 0 0 12564.5012 0 66 12877.0000 12564.5012 2.43% - 0s 0 0 12564.7389 0 67 12877.0000 12564.7389 2.42% - 0s 0 0 12565.0644 0 67 12877.0000 12565.0644 2.42% - 0s 0 0 12565.1816 0 69 12877.0000 12565.1816 2.42% - 0s 0 0 12565.5608 0 73 12877.0000 12565.5608 2.42% - 0s 0 0 12566.6136 0 69 12877.0000 12566.6136 2.41% - 0s 0 0 12566.9557 0 69 12877.0000 12566.9557 2.41% - 0s H 0 0 12837.000000 12566.9557 2.10% - 1s 0 2 12567.3410 0 69 12837.0000 12567.3410 2.10% - 1s * 30 16 27 12803.000000 12603.9563 1.55% 8.9 1s * 671 28 18 12802.000000 12760.5000 0.32% 6.1 2s Cutting planes: Gomory: 3 Zero half: 15 Explored 715 nodes (4680 simplex iterations) in 2.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280200000000e+04, best bound 1.280200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 441 rows, 1128 columns and 109246 nonzeros Presolve time: 0.06s Presolved: 441 rows, 1128 columns, 109246 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12538.8000 2.63% - 0s 0 0 12559.8857 0 49 12878.0000 12559.8857 2.47% - 0s 0 0 12559.8857 0 37 12878.0000 12559.8857 2.47% - 0s 0 0 12559.8857 0 49 12878.0000 12559.8857 2.47% - 0s 0 0 12560.0556 0 50 12878.0000 12560.0556 2.47% - 0s 0 0 12560.2462 0 57 12878.0000 12560.2462 2.47% - 0s 0 0 12560.3333 0 41 12878.0000 12560.3333 2.47% - 0s 0 0 12560.7410 0 62 12878.0000 12560.7410 2.46% - 0s 0 0 12561.6935 0 53 12878.0000 12561.6935 2.46% - 0s 0 0 12561.9605 0 64 12878.0000 12561.9605 2.45% - 0s 0 0 12562.4534 0 66 12878.0000 12562.4534 2.45% - 0s 0 0 12563.3300 0 61 12878.0000 12563.3300 2.44% - 0s 0 0 12563.4391 0 67 12878.0000 12563.4391 2.44% - 0s 0 0 12563.6026 0 64 12878.0000 12563.6026 2.44% - 0s 0 0 12564.0233 0 60 12878.0000 12564.0233 2.44% - 0s 0 0 12564.4328 0 65 12878.0000 12564.4328 2.43% - 0s 0 0 12565.2570 0 64 12878.0000 12565.2570 2.43% - 0s 0 0 12565.4202 0 60 12878.0000 12565.4202 2.43% - 0s 0 0 12565.5168 0 70 12878.0000 12565.5168 2.43% - 0s 0 0 12566.3882 0 60 12878.0000 12566.3882 2.42% - 0s 0 0 12568.4702 0 68 12878.0000 12568.4702 2.40% - 0s 0 0 12569.7875 0 64 12878.0000 12569.7875 2.39% - 0s 0 0 12569.9264 0 64 12878.0000 12569.9264 2.39% - 0s 0 0 12569.9917 0 69 12878.0000 12569.9917 2.39% - 0s 0 0 12570.1549 0 65 12878.0000 12570.1549 2.39% - 0s 0 0 12570.9486 0 74 12878.0000 12570.9486 2.38% - 0s 0 0 12570.9508 0 76 12878.0000 12570.9508 2.38% - 0s 0 0 12571.1055 0 76 12878.0000 12571.1055 2.38% - 0s 0 0 12571.1171 0 78 12878.0000 12571.1171 2.38% - 1s H 0 0 12833.000000 12571.1171 2.04% - 1s 0 2 12571.2103 0 78 12833.0000 12571.2103 2.04% - 1s * 43 16 33 12832.000000 12588.8869 1.89% 8.0 1s * 93 37 47 12808.000000 12604.7500 1.59% 5.7 1s * 177 80 10 12807.000000 12630.9412 1.37% 5.8 1s * 242 83 10 12803.000000 12670.5000 1.03% 5.9 2s Cutting planes: Gomory: 4 Zero half: 13 Mod-K: 1 Explored 752 nodes (4593 simplex iterations) in 2.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280300000000e+04, best bound 1.280300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 442 rows, 1128 columns and 109522 nonzeros Presolve time: 0.06s Presolved: 442 rows, 1128 columns, 109522 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12815.000000 12538.8000 2.16% - 0s 0 0 12559.8857 0 49 12815.0000 12559.8857 1.99% - 0s 0 0 12559.8857 0 37 12815.0000 12559.8857 1.99% - 0s 0 0 12559.8857 0 49 12815.0000 12559.8857 1.99% - 0s 0 0 12562.5350 0 51 12815.0000 12562.5350 1.97% - 0s 0 0 12563.3470 0 56 12815.0000 12563.3470 1.96% - 0s 0 0 12563.7197 0 48 12815.0000 12563.7197 1.96% - 0s 0 0 12563.9108 0 56 12815.0000 12563.9108 1.96% - 0s 0 0 12564.3687 0 48 12815.0000 12564.3687 1.96% - 0s 0 0 12564.4120 0 54 12815.0000 12564.4120 1.96% - 0s 0 0 12564.5237 0 62 12815.0000 12564.5237 1.95% - 0s 0 0 12564.5741 0 56 12815.0000 12564.5741 1.95% - 0s 0 0 12564.6553 0 63 12815.0000 12564.6553 1.95% - 0s 0 0 12564.9057 0 58 12815.0000 12564.9057 1.95% - 0s 0 0 12565.4816 0 66 12815.0000 12565.4816 1.95% - 0s 0 0 12566.3661 0 59 12815.0000 12566.3661 1.94% - 0s 0 0 12567.0714 0 62 12815.0000 12567.0714 1.93% - 0s 0 0 12567.2140 0 60 12815.0000 12567.2140 1.93% - 0s 0 0 12567.2610 0 67 12815.0000 12567.2610 1.93% - 0s 0 0 12567.4467 0 62 12815.0000 12567.4467 1.93% - 0s 0 0 12567.4760 0 66 12815.0000 12567.4760 1.93% - 0s 0 0 12567.5610 0 69 12815.0000 12567.5610 1.93% - 0s 0 0 12568.3650 0 60 12815.0000 12568.3650 1.92% - 0s 0 0 12568.6443 0 70 12815.0000 12568.6443 1.92% - 0s 0 0 12569.0592 0 64 12815.0000 12569.0592 1.92% - 0s 0 0 12569.1738 0 68 12815.0000 12569.1738 1.92% - 0s 0 0 12569.2115 0 71 12815.0000 12569.2115 1.92% - 0s 0 0 12569.5663 0 59 12815.0000 12569.5663 1.92% - 0s 0 0 12569.6342 0 70 12815.0000 12569.6342 1.91% - 0s 0 0 12569.7370 0 68 12815.0000 12569.7370 1.91% - 0s 0 0 12570.2819 0 66 12815.0000 12570.2819 1.91% - 0s 0 0 12570.3314 0 72 12815.0000 12570.3314 1.91% - 0s 0 0 12570.3706 0 74 12815.0000 12570.3706 1.91% - 1s 0 2 12570.5063 0 74 12815.0000 12570.5063 1.91% - 1s * 36 14 33 12811.000000 12619.0000 1.50% 8.6 1s H 54 27 12808.000000 12619.5000 1.47% 7.7 1s * 84 46 21 12807.000000 12628.6667 1.39% 7.2 1s * 130 62 16 12804.000000 12641.3333 1.27% 6.8 1s * 633 61 13 12803.000000 12739.0000 0.50% 6.0 2s Cutting planes: Gomory: 3 Zero half: 15 Explored 761 nodes (4822 simplex iterations) in 2.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280300000000e+04, best bound 1.280300000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 443 rows, 1128 columns and 109775 nonzeros Presolve time: 0.06s Presolved: 443 rows, 1128 columns, 109775 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12922.000000 12538.8000 2.97% - 0s 0 0 12559.8857 0 49 12922.0000 12559.8857 2.80% - 0s 0 0 12559.8857 0 37 12922.0000 12559.8857 2.80% - 0s 0 0 12559.8857 0 49 12922.0000 12559.8857 2.80% - 0s 0 0 12560.0556 0 50 12922.0000 12560.0556 2.80% - 0s 0 0 12560.2462 0 57 12922.0000 12560.2462 2.80% - 0s 0 0 12560.6087 0 53 12922.0000 12560.6087 2.80% - 0s 0 0 12560.8490 0 55 12922.0000 12560.8490 2.79% - 0s 0 0 12561.2668 0 64 12922.0000 12561.2668 2.79% - 0s 0 0 12561.8425 0 64 12922.0000 12561.8425 2.79% - 0s 0 0 12562.8082 0 59 12922.0000 12562.8082 2.78% - 0s 0 0 12562.8252 0 67 12922.0000 12562.8252 2.78% - 0s 0 0 12563.3122 0 65 12922.0000 12563.3122 2.78% - 0s 0 0 12563.8232 0 68 12922.0000 12563.8232 2.77% - 0s 0 0 12563.9957 0 66 12922.0000 12563.9957 2.77% - 0s 0 0 12564.1091 0 67 12922.0000 12564.1091 2.77% - 0s 0 0 12564.4202 0 69 12922.0000 12564.4202 2.77% - 0s 0 0 12565.8033 0 57 12922.0000 12565.8033 2.76% - 0s 0 0 12566.2055 0 65 12922.0000 12566.2055 2.75% - 0s 0 0 12566.4168 0 68 12922.0000 12566.4168 2.75% - 0s 0 0 12566.4206 0 70 12922.0000 12566.4206 2.75% - 0s 0 0 12566.5801 0 67 12922.0000 12566.5801 2.75% - 0s 0 0 12566.6217 0 71 12922.0000 12566.6217 2.75% - 0s 0 0 12566.6258 0 73 12922.0000 12566.6258 2.75% - 1s 0 0 12566.7721 0 69 12922.0000 12566.7721 2.75% - 1s H 0 0 12902.000000 12566.7721 2.60% - 1s 0 0 12567.1402 0 61 12902.0000 12567.1402 2.60% - 1s 0 0 12567.3039 0 69 12902.0000 12567.3039 2.59% - 1s 0 0 12567.3435 0 72 12902.0000 12567.3435 2.59% - 1s 0 0 12567.5261 0 73 12902.0000 12567.5261 2.59% - 1s H 0 0 12879.000000 12567.5261 2.42% - 1s 0 0 12567.6167 0 71 12879.0000 12567.6167 2.42% - 1s 0 0 12569.1439 0 67 12879.0000 12569.1439 2.41% - 1s 0 0 12569.2207 0 69 12879.0000 12569.2207 2.41% - 1s 0 0 12569.2207 0 69 12879.0000 12569.2207 2.41% - 1s 0 2 12569.3885 0 69 12879.0000 12569.3885 2.40% - 1s * 28 21 24 12867.000000 12599.2500 2.08% 8.2 1s H 30 16 12862.000000 12599.2500 2.04% 7.7 1s * 60 19 32 12812.000000 12613.0227 1.55% 6.2 2s * 131 51 27 12807.000000 12637.5000 1.32% 5.8 2s * 152 61 16 12805.000000 12655.0000 1.17% 5.6 2s * 349 93 12 12804.000000 12690.2500 0.89% 5.6 2s * 457 86 10 12803.000000 12712.0000 0.71% 5.6 2s Cutting planes: Gomory: 3 Zero half: 13 Mod-K: 3 Explored 729 nodes (4317 simplex iterations) in 2.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280300000000e+04, best bound 1.280300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46), (46, 47)] Optimize a model with 444 rows, 1128 columns and 110028 nonzeros Presolve time: 0.06s Presolved: 444 rows, 1128 columns, 110028 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12922.000000 12538.8000 2.97% - 0s 0 0 12559.8857 0 49 12922.0000 12559.8857 2.80% - 0s 0 0 12559.8857 0 37 12922.0000 12559.8857 2.80% - 0s 0 0 12559.8857 0 49 12922.0000 12559.8857 2.80% - 0s 0 0 12560.0556 0 50 12922.0000 12560.0556 2.80% - 0s 0 0 12560.2462 0 57 12922.0000 12560.2462 2.80% - 0s 0 0 12560.6087 0 53 12922.0000 12560.6087 2.80% - 0s 0 0 12560.8490 0 55 12922.0000 12560.8490 2.79% - 0s 0 0 12561.3279 0 64 12922.0000 12561.3279 2.79% - 0s 0 0 12561.8186 0 63 12922.0000 12561.8186 2.79% - 0s 0 0 12562.2011 0 68 12922.0000 12562.2011 2.78% - 0s 0 0 12563.6420 0 60 12922.0000 12563.6420 2.77% - 0s 0 0 12563.7526 0 63 12922.0000 12563.7526 2.77% - 0s 0 0 12563.8517 0 66 12922.0000 12563.8517 2.77% - 0s 0 0 12563.9938 0 60 12922.0000 12563.9938 2.77% - 0s 0 0 12564.0846 0 66 12922.0000 12564.0846 2.77% - 0s 0 0 12564.2657 0 62 12922.0000 12564.2657 2.77% - 0s 0 0 12564.4964 0 70 12922.0000 12564.4964 2.77% - 0s 0 0 12565.6806 0 59 12922.0000 12565.6806 2.76% - 0s 0 0 12565.9220 0 64 12922.0000 12565.9220 2.76% - 0s 0 0 12566.1803 0 70 12922.0000 12566.1803 2.75% - 0s 0 0 12566.8952 0 58 12922.0000 12566.8952 2.75% - 0s 0 0 12566.9031 0 64 12922.0000 12566.9031 2.75% - 0s 0 0 12566.9031 0 64 12922.0000 12566.9031 2.75% - 1s H 0 0 12902.000000 12566.9031 2.60% - 1s H 0 0 12884.000000 12566.9031 2.46% - 1s 0 2 12567.0000 0 64 12884.0000 12567.0000 2.46% - 1s * 31 24 30 12839.000000 12590.8300 1.93% 7.2 1s H 59 27 12822.000000 12620.0000 1.58% 5.5 1s * 78 39 29 12808.000000 12620.0000 1.47% 5.0 1s * 182 92 9 12804.000000 12645.0000 1.24% 5.1 1s Cutting planes: Gomory: 3 Zero half: 12 Explored 773 nodes (4698 simplex iterations) in 2.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280400000000e+04, best bound 1.280400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 445 rows, 1128 columns and 110304 nonzeros Presolve time: 0.06s Presolved: 445 rows, 1128 columns, 110304 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12538.8000 2.67% - 0s 0 0 12559.8857 0 49 12883.0000 12559.8857 2.51% - 0s 0 0 12559.8857 0 37 12883.0000 12559.8857 2.51% - 0s 0 0 12559.8857 0 49 12883.0000 12559.8857 2.51% - 0s 0 0 12560.0556 0 50 12883.0000 12560.0556 2.51% - 0s 0 0 12560.2462 0 57 12883.0000 12560.2462 2.51% - 0s 0 0 12560.3631 0 54 12883.0000 12560.3631 2.50% - 0s 0 0 12560.6865 0 62 12883.0000 12560.6865 2.50% - 0s 0 0 12561.4354 0 63 12883.0000 12561.4354 2.50% - 0s 0 0 12562.6055 0 56 12883.0000 12562.6055 2.49% - 0s 0 0 12563.0754 0 58 12883.0000 12563.0754 2.48% - 0s 0 0 12563.1232 0 66 12883.0000 12563.1232 2.48% - 0s 0 0 12563.2479 0 58 12883.0000 12563.2479 2.48% - 0s 0 0 12563.3439 0 66 12883.0000 12563.3439 2.48% - 0s 0 0 12564.0836 0 60 12883.0000 12564.0836 2.48% - 0s 0 0 12564.5340 0 67 12883.0000 12564.5340 2.47% - 0s 0 0 12564.7636 0 66 12883.0000 12564.7636 2.47% - 0s 0 0 12565.3266 0 62 12883.0000 12565.3266 2.47% - 0s 0 0 12565.5279 0 62 12883.0000 12565.5279 2.46% - 0s 0 0 12565.5353 0 67 12883.0000 12565.5353 2.46% - 0s 0 0 12565.7820 0 63 12883.0000 12565.7820 2.46% - 0s 0 0 12565.8649 0 66 12883.0000 12565.8649 2.46% - 0s 0 0 12566.0840 0 74 12883.0000 12566.0840 2.46% - 0s 0 0 12566.6758 0 50 12883.0000 12566.6758 2.46% - 0s 0 0 12566.7820 0 64 12883.0000 12566.7820 2.45% - 0s 0 0 12566.8072 0 68 12883.0000 12566.8072 2.45% - 0s 0 0 12567.4347 0 68 12883.0000 12567.4347 2.45% - 0s 0 0 12568.4575 0 42 12883.0000 12568.4575 2.44% - 1s 0 0 12570.1448 0 65 12883.0000 12570.1448 2.43% - 1s 0 0 12571.3893 0 67 12883.0000 12571.3893 2.42% - 1s 0 0 12571.7655 0 59 12883.0000 12571.7655 2.42% - 1s 0 0 12572.9926 0 65 12883.0000 12572.9926 2.41% - 1s 0 0 12574.0000 0 49 12883.0000 12574.0000 2.40% - 1s 0 0 12574.4614 0 59 12883.0000 12574.4614 2.39% - 1s 0 0 12574.4959 0 70 12883.0000 12574.4959 2.39% - 1s 0 0 12574.8231 0 64 12883.0000 12574.8231 2.39% - 1s 0 0 12574.8541 0 67 12883.0000 12574.8541 2.39% - 1s 0 0 12574.8630 0 72 12883.0000 12574.8630 2.39% - 1s 0 0 12574.8818 0 71 12883.0000 12574.8818 2.39% - 1s 0 0 12574.9325 0 69 12883.0000 12574.9325 2.39% - 1s 0 0 12574.9944 0 72 12883.0000 12574.9944 2.39% - 1s 0 0 12575.1591 0 74 12883.0000 12575.1591 2.39% - 1s H 0 0 12882.000000 12575.1591 2.38% - 1s H 0 0 12879.000000 12575.1591 2.36% - 1s H 0 0 12813.000000 12575.1591 1.86% - 1s 0 2 12575.3047 0 74 12813.0000 12575.3047 1.86% - 2s * 47 13 26 12812.000000 12596.6167 1.68% 7.9 2s * 93 40 25 12807.000000 12626.0000 1.41% 7.6 2s * 181 62 9 12804.000000 12656.6667 1.15% 6.6 2s Cutting planes: Gomory: 3 Zero half: 17 Mod-K: 1 Explored 751 nodes (4659 simplex iterations) in 2.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280400000000e+04, best bound 1.280400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 446 rows, 1128 columns and 110557 nonzeros Presolve time: 0.06s Presolved: 446 rows, 1128 columns, 110557 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12868.000000 12538.8000 2.56% - 0s 0 0 12559.8857 0 49 12868.0000 12559.8857 2.39% - 0s 0 0 12559.8857 0 37 12868.0000 12559.8857 2.39% - 0s 0 0 12559.8857 0 49 12868.0000 12559.8857 2.39% - 0s 0 0 12560.0556 0 50 12868.0000 12560.0556 2.39% - 0s 0 0 12560.2462 0 57 12868.0000 12560.2462 2.39% - 0s 0 0 12560.3648 0 54 12868.0000 12560.3648 2.39% - 0s 0 0 12560.6889 0 62 12868.0000 12560.6889 2.39% - 0s 0 0 12561.3125 0 53 12868.0000 12561.3125 2.38% - 0s 0 0 12562.0059 0 55 12868.0000 12562.0059 2.38% - 0s 0 0 12562.0892 0 63 12868.0000 12562.0892 2.38% - 0s 0 0 12562.3373 0 60 12868.0000 12562.3373 2.38% - 0s 0 0 12562.6051 0 65 12868.0000 12562.6051 2.37% - 0s 0 0 12563.1861 0 66 12868.0000 12563.1861 2.37% - 0s 0 0 12563.6201 0 53 12868.0000 12563.6201 2.37% - 0s 0 0 12563.8492 0 65 12868.0000 12563.8492 2.36% - 0s 0 0 12564.2761 0 52 12868.0000 12564.2761 2.36% - 0s 0 0 12564.5348 0 67 12868.0000 12564.5348 2.36% - 0s 0 0 12564.6733 0 61 12868.0000 12564.6733 2.36% - 0s 0 0 12564.7707 0 65 12868.0000 12564.7707 2.36% - 0s 0 0 12565.4846 0 63 12868.0000 12565.4846 2.35% - 0s 0 0 12567.1190 0 68 12868.0000 12567.1190 2.34% - 0s 0 0 12568.8305 0 61 12868.0000 12568.8305 2.32% - 0s 0 0 12569.4840 0 65 12868.0000 12569.4840 2.32% - 0s 0 0 12569.6120 0 71 12868.0000 12569.6120 2.32% - 0s 0 0 12570.6971 0 62 12868.0000 12570.6971 2.31% - 0s 0 0 12570.7158 0 63 12868.0000 12570.7158 2.31% - 0s 0 2 12571.4585 0 63 12868.0000 12571.4585 2.30% - 1s * 29 21 24 12863.000000 12586.3333 2.15% 7.4 1s * 34 16 5 12811.000000 12593.2000 1.70% 7.4 1s * 121 43 15 12807.000000 12630.0000 1.38% 6.5 1s * 260 81 12 12804.000000 12666.2500 1.08% 6.1 1s Cutting planes: Gomory: 3 Zero half: 18 Explored 736 nodes (4700 simplex iterations) in 2.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280400000000e+04, best bound 1.280400000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 447 rows, 1128 columns and 110788 nonzeros Presolve time: 0.06s Presolved: 447 rows, 1128 columns, 110788 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.8000 2.29% - 0s 0 0 12552.7188 0 47 12833.0000 12552.7188 2.18% - 0s 0 0 12552.7188 0 37 12833.0000 12552.7188 2.18% - 0s 0 0 12562.3439 0 43 12833.0000 12562.3439 2.11% - 0s 0 0 12562.5350 0 51 12833.0000 12562.5350 2.11% - 0s 0 0 12563.1418 0 48 12833.0000 12563.1418 2.10% - 0s 0 0 12563.3470 0 56 12833.0000 12563.3470 2.10% - 0s 0 0 12563.7197 0 48 12833.0000 12563.7197 2.10% - 0s 0 0 12563.8917 0 56 12833.0000 12563.8917 2.10% - 0s 0 0 12564.3687 0 48 12833.0000 12564.3687 2.09% - 0s 0 0 12564.4120 0 54 12833.0000 12564.4120 2.09% - 0s 0 0 12564.5337 0 62 12833.0000 12564.5337 2.09% - 0s 0 0 12564.6722 0 63 12833.0000 12564.6722 2.09% - 0s 0 0 12565.4203 0 66 12833.0000 12565.4203 2.09% - 0s 0 0 12567.4650 0 64 12833.0000 12567.4650 2.07% - 0s 0 0 12567.9175 0 66 12833.0000 12567.9175 2.07% - 0s 0 0 12568.1545 0 60 12833.0000 12568.1545 2.06% - 0s 0 0 12568.1619 0 63 12833.0000 12568.1619 2.06% - 0s 0 0 12568.4817 0 63 12833.0000 12568.4817 2.06% - 0s 0 0 12568.5934 0 62 12833.0000 12568.5934 2.06% - 0s 0 0 12568.6041 0 68 12833.0000 12568.6041 2.06% - 0s 0 0 12569.2377 0 66 12833.0000 12569.2377 2.06% - 0s 0 0 12569.7106 0 71 12833.0000 12569.7106 2.05% - 0s 0 0 12570.1920 0 70 12833.0000 12570.1920 2.05% - 0s 0 0 12570.9047 0 73 12833.0000 12570.9047 2.04% - 0s 0 0 12571.3378 0 75 12833.0000 12571.3378 2.04% - 0s 0 0 12572.0532 0 68 12833.0000 12572.0532 2.03% - 0s 0 0 12572.2259 0 69 12833.0000 12572.2259 2.03% - 0s 0 0 12572.3583 0 68 12833.0000 12572.3583 2.03% - 0s 0 0 12572.3633 0 70 12833.0000 12572.3633 2.03% - 0s 0 0 12572.3633 0 70 12833.0000 12572.3633 2.03% - 1s 0 2 12572.8635 0 70 12833.0000 12572.8635 2.03% - 1s * 100 57 27 12807.000000 12626.9250 1.41% 6.3 1s * 130 68 19 12806.000000 12629.6667 1.38% 6.1 1s * 430 115 14 12805.000000 12700.5000 0.82% 5.8 2s Cutting planes: Gomory: 2 Zero half: 18 Mod-K: 1 Explored 766 nodes (4565 simplex iterations) in 2.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280500000000e+04, best bound 1.280400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 448 rows, 1128 columns and 111088 nonzeros Presolve time: 0.06s Presolved: 448 rows, 1128 columns, 111088 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 13098.000000 12538.8000 4.27% - 0s 0 0 12552.7187 0 47 13098.0000 12552.7187 4.16% - 0s 0 0 12552.7187 0 37 13098.0000 12552.7187 4.16% - 0s 0 0 12552.7188 0 47 13098.0000 12552.7188 4.16% - 0s 0 0 12553.3684 0 41 13098.0000 12553.3684 4.16% - 0s 0 0 12559.0962 0 52 13098.0000 12559.0962 4.11% - 0s 0 0 12559.1883 0 56 13098.0000 12559.1883 4.11% - 0s 0 0 12560.0000 0 54 13098.0000 12560.0000 4.11% - 0s 0 0 12560.6284 0 53 13098.0000 12560.6284 4.10% - 0s 0 0 12560.7440 0 60 13098.0000 12560.7440 4.10% - 0s 0 0 12560.8788 0 64 13098.0000 12560.8788 4.10% - 0s 0 0 12562.4323 0 58 13098.0000 12562.4323 4.09% - 0s 0 0 12562.4752 0 65 13098.0000 12562.4752 4.09% - 0s 0 0 12562.5541 0 56 13098.0000 12562.5541 4.09% - 0s 0 0 12562.9561 0 54 13098.0000 12562.9561 4.08% - 0s 0 0 12563.0396 0 62 13098.0000 12563.0396 4.08% - 0s 0 0 12563.1155 0 63 13098.0000 12563.1155 4.08% - 0s 0 0 12563.6747 0 65 13098.0000 12563.6747 4.08% - 0s 0 0 12563.8972 0 65 13098.0000 12563.8972 4.08% - 0s 0 0 12563.9183 0 63 13098.0000 12563.9183 4.08% - 0s 0 0 12564.1100 0 69 13098.0000 12564.1100 4.08% - 0s 0 0 12564.3779 0 70 13098.0000 12564.3779 4.07% - 1s 0 0 12564.6653 0 67 13098.0000 12564.6653 4.07% - 1s 0 0 12565.2593 0 71 13098.0000 12565.2593 4.07% - 1s 0 0 12565.4110 0 68 13098.0000 12565.4110 4.07% - 1s 0 0 12565.4725 0 69 13098.0000 12565.4725 4.07% - 1s 0 0 12565.5279 0 70 13098.0000 12565.5279 4.07% - 1s 0 0 12565.5726 0 71 13098.0000 12565.5726 4.06% - 1s 0 0 12565.8353 0 72 13098.0000 12565.8353 4.06% - 1s 0 0 12565.8825 0 72 13098.0000 12565.8825 4.06% - 1s 0 0 12566.0330 0 71 13098.0000 12566.0330 4.06% - 1s 0 0 12566.4971 0 70 13098.0000 12566.4971 4.06% - 1s 0 0 12566.6654 0 70 13098.0000 12566.6654 4.06% - 1s 0 0 12566.7860 0 72 13098.0000 12566.7860 4.06% - 1s 0 0 12566.9091 0 73 13098.0000 12566.9091 4.05% - 1s 0 0 12567.1438 0 77 13098.0000 12567.1438 4.05% - 1s H 0 0 13082.000000 12567.1438 3.94% - 1s H 0 0 12807.000000 12567.1438 1.87% - 1s 0 2 12567.1879 0 77 12807.0000 12567.1879 1.87% - 2s * 380 88 10 12806.000000 12693.7000 0.88% 6.5 2s * 546 48 11 12805.000000 12741.5000 0.50% 6.5 3s Cutting planes: Gomory: 3 Zero half: 13 Mod-K: 5 Explored 669 nodes (4539 simplex iterations) in 3.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280500000000e+04, best bound 1.280500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 21), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 449 rows, 1128 columns and 111439 nonzeros Presolve time: 0.06s Presolved: 449 rows, 1128 columns, 111439 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12894.000000 12538.8000 2.75% - 0s 0 0 12552.7188 0 47 12894.0000 12552.7188 2.65% - 0s 0 0 12552.7188 0 37 12894.0000 12552.7188 2.65% - 0s 0 0 12552.7188 0 47 12894.0000 12552.7188 2.65% - 0s 0 0 12557.7500 0 36 12894.0000 12557.7500 2.61% - 0s 0 0 12558.0000 0 44 12894.0000 12558.0000 2.61% - 0s 0 0 12558.5500 0 51 12894.0000 12558.5500 2.60% - 0s 0 0 12559.5807 0 60 12894.0000 12559.5807 2.59% - 0s 0 0 12560.4554 0 56 12894.0000 12560.4554 2.59% - 0s 0 0 12561.0072 0 62 12894.0000 12561.0072 2.58% - 0s 0 0 12562.4153 0 57 12894.0000 12562.4153 2.57% - 0s 0 0 12562.9984 0 60 12894.0000 12562.9984 2.57% - 0s 0 0 12563.6107 0 60 12894.0000 12563.6107 2.56% - 0s 0 0 12563.7972 0 60 12894.0000 12563.7972 2.56% - 0s 0 0 12563.8635 0 65 12894.0000 12563.8635 2.56% - 0s 0 0 12564.2353 0 63 12894.0000 12564.2353 2.56% - 0s 0 0 12564.4974 0 67 12894.0000 12564.4974 2.56% - 0s 0 0 12564.6170 0 58 12894.0000 12564.6170 2.55% - 0s 0 0 12564.7389 0 69 12894.0000 12564.7389 2.55% - 0s H 0 0 12849.000000 12564.7389 2.21% - 1s H 0 0 12826.000000 12564.7389 2.04% - 1s 0 2 12564.9336 0 69 12826.0000 12564.9336 2.04% - 1s H 27 16 12825.000000 12620.0000 1.60% 9.4 1s * 44 22 23 12807.000000 12620.0000 1.46% 8.1 1s * 128 46 13 12806.000000 12631.0000 1.37% 6.6 1s Cutting planes: Gomory: 3 Zero half: 15 Explored 594 nodes (4140 simplex iterations) in 1.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280600000000e+04, best bound 1.280600000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 450 rows, 1128 columns and 111715 nonzeros Presolve time: 0.06s Presolved: 450 rows, 1128 columns, 111715 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12538.8000 2.66% - 0s 0 0 12552.7188 0 47 12882.0000 12552.7188 2.56% - 0s 0 0 12552.7188 0 37 12882.0000 12552.7188 2.56% - 0s 0 0 12552.7188 0 47 12882.0000 12552.7188 2.56% - 0s 0 0 12557.7500 0 36 12882.0000 12557.7500 2.52% - 0s 0 0 12558.0000 0 44 12882.0000 12558.0000 2.52% - 0s 0 0 12559.5350 0 60 12882.0000 12559.5350 2.50% - 0s 0 0 12560.3878 0 56 12882.0000 12560.3878 2.50% - 0s 0 0 12561.0617 0 55 12882.0000 12561.0617 2.49% - 0s 0 0 12561.2617 0 63 12882.0000 12561.2617 2.49% - 0s 0 0 12562.4164 0 58 12882.0000 12562.4164 2.48% - 0s 0 0 12563.1406 0 62 12882.0000 12563.1406 2.48% - 0s 0 0 12563.5718 0 64 12882.0000 12563.5718 2.47% - 0s 0 0 12563.8365 0 68 12882.0000 12563.8365 2.47% - 0s 0 0 12563.8776 0 69 12882.0000 12563.8776 2.47% - 0s 0 0 12564.0387 0 68 12882.0000 12564.0387 2.47% - 0s 0 0 12564.0623 0 71 12882.0000 12564.0623 2.47% - 0s 0 0 12564.5291 0 66 12882.0000 12564.5291 2.46% - 0s 0 0 12564.8718 0 63 12882.0000 12564.8718 2.46% - 0s 0 0 12564.8718 0 63 12882.0000 12564.8718 2.46% - 1s H 0 0 12818.000000 12564.8718 1.97% - 1s 0 2 12564.9864 0 63 12818.0000 12564.9864 1.97% - 1s * 43 23 20 12811.000000 12620.0000 1.49% 7.2 1s * 87 49 24 12807.000000 12620.5000 1.46% 6.4 1s * 233 83 17 12806.000000 12655.4762 1.18% 6.0 1s Cutting planes: Gomory: 2 Zero half: 14 Mod-K: 5 Explored 776 nodes (5060 simplex iterations) in 2.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280600000000e+04, best bound 1.280600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 451 rows, 1128 columns and 112015 nonzeros Presolve time: 0.06s Presolved: 451 rows, 1128 columns, 112015 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 13021.000000 12538.8000 3.70% - 0s 0 0 12552.7188 0 47 13021.0000 12552.7188 3.60% - 0s 0 0 12552.7188 0 37 13021.0000 12552.7188 3.60% - 0s 0 0 12559.3333 0 32 13021.0000 12559.3333 3.55% - 0s 0 0 12562.9417 0 57 13021.0000 12562.9417 3.52% - 0s 0 0 12564.2233 0 54 13021.0000 12564.2233 3.51% - 0s 0 0 12564.4126 0 62 13021.0000 12564.4126 3.51% - 0s 0 0 12566.1216 0 54 13021.0000 12566.1216 3.49% - 0s 0 0 12566.2321 0 64 13021.0000 12566.2321 3.49% - 0s H 0 0 12971.000000 12566.2321 3.12% - 0s H 0 0 12863.000000 12566.2321 2.31% - 0s 0 0 12566.8438 0 61 12863.0000 12566.8438 2.30% - 0s 0 2 12572.1884 0 61 12863.0000 12572.1884 2.26% - 0s H 4 3 12822.000000 12572.1884 1.95% 0.0 1s * 39 19 24 12810.000000 12629.2079 1.41% 18.7 2s * 138 47 36 12807.000000 12634.6250 1.35% 9.8 2s * 351 97 23 12806.000000 12673.0510 1.04% 7.6 2s Cutting planes: Gomory: 12 Zero half: 10 Mod-K: 1 Explored 885 nodes (5832 simplex iterations) in 3.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280600000000e+04, best bound 1.280600000000e+04, gap 0.0% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 452 rows, 1128 columns and 112268 nonzeros Presolve time: 0.06s Presolved: 452 rows, 1128 columns, 112268 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12818.000000 12538.8000 2.18% - 0s 0 0 12552.7188 0 47 12818.0000 12552.7188 2.07% - 0s 0 0 12552.7188 0 37 12818.0000 12552.7188 2.07% - 0s 0 0 12552.7188 0 47 12818.0000 12552.7188 2.07% - 0s 0 0 12557.7500 0 36 12818.0000 12557.7500 2.03% - 0s 0 0 12557.9423 0 44 12818.0000 12557.9423 2.03% - 0s 0 0 12558.4666 0 59 12818.0000 12558.4666 2.02% - 0s 0 0 12559.8242 0 52 12818.0000 12559.8242 2.01% - 0s 0 0 12560.0186 0 60 12818.0000 12560.0186 2.01% - 0s 0 0 12560.2205 0 52 12818.0000 12560.2205 2.01% - 0s 0 0 12560.5537 0 61 12818.0000 12560.5537 2.01% - 0s 0 0 12561.4341 0 55 12818.0000 12561.4341 2.00% - 0s 0 0 12561.8304 0 63 12818.0000 12561.8304 2.00% - 0s 0 0 12563.2847 0 58 12818.0000 12563.2847 1.99% - 0s 0 0 12563.9511 0 62 12818.0000 12563.9511 1.98% - 0s 0 0 12564.2871 0 60 12818.0000 12564.2871 1.98% - 0s 0 0 12564.4252 0 56 12818.0000 12564.4252 1.98% - 0s 0 0 12564.4252 0 56 12818.0000 12564.4252 1.98% - 0s 0 2 12565.4825 0 56 12818.0000 12565.4825 1.97% - 0s H 55 28 12816.000000 12593.5000 1.74% 7.0 1s * 77 43 19 12807.000000 12600.5000 1.61% 6.9 1s * 604 54 11 12806.000000 12739.3333 0.52% 5.7 1s Cutting planes: Gomory: 2 Zero half: 10 Explored 735 nodes (4458 simplex iterations) in 1.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280600000000e+04, best bound 1.280500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 453 rows, 1128 columns and 112521 nonzeros Presolve time: 0.06s Presolved: 453 rows, 1128 columns, 112521 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12818.000000 12538.8000 2.18% - 0s 0 0 12552.7188 0 47 12818.0000 12552.7188 2.07% - 0s 0 0 12552.7188 0 37 12818.0000 12552.7188 2.07% - 0s 0 0 12552.7188 0 47 12818.0000 12552.7188 2.07% - 0s 0 0 12557.7500 0 36 12818.0000 12557.7500 2.03% - 0s 0 0 12557.9423 0 44 12818.0000 12557.9423 2.03% - 0s 0 0 12558.4666 0 59 12818.0000 12558.4666 2.02% - 0s 0 0 12559.8242 0 52 12818.0000 12559.8242 2.01% - 0s 0 0 12560.0186 0 60 12818.0000 12560.0186 2.01% - 0s 0 0 12560.2205 0 52 12818.0000 12560.2205 2.01% - 0s 0 0 12560.5537 0 61 12818.0000 12560.5537 2.01% - 0s 0 0 12561.4341 0 55 12818.0000 12561.4341 2.00% - 0s 0 0 12561.8304 0 63 12818.0000 12561.8304 2.00% - 0s 0 0 12563.2847 0 58 12818.0000 12563.2847 1.99% - 0s 0 0 12563.9511 0 62 12818.0000 12563.9511 1.98% - 0s 0 0 12564.2871 0 60 12818.0000 12564.2871 1.98% - 0s 0 0 12564.4252 0 56 12818.0000 12564.4252 1.98% - 0s 0 0 12564.4252 0 56 12818.0000 12564.4252 1.98% - 0s 0 2 12565.4825 0 56 12818.0000 12565.4825 1.97% - 1s * 78 44 20 12807.000000 12600.5000 1.61% 6.9 1s Cutting planes: Gomory: 2 Zero half: 10 Explored 723 nodes (4475 simplex iterations) in 1.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280700000000e+04, best bound 1.280700000000e+04, gap 0.0% adding cut for [(33, 46), (38, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (12, 24), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 454 rows, 1128 columns and 112731 nonzeros Presolve time: 0.06s Presolved: 454 rows, 1128 columns, 112731 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12538.8000 3.01% - 0s 0 0 12552.7188 0 47 12928.0000 12552.7188 2.90% - 0s 0 0 12552.7188 0 37 12928.0000 12552.7188 2.90% - 0s 0 0 12552.7188 0 47 12928.0000 12552.7188 2.90% - 0s 0 0 12553.3684 0 41 12928.0000 12553.3684 2.90% - 0s 0 0 12559.0962 0 52 12928.0000 12559.0962 2.85% - 0s 0 0 12559.2714 0 56 12928.0000 12559.2714 2.85% - 0s H 0 0 12919.000000 12559.2714 2.78% - 0s 0 0 12560.2022 0 61 12919.0000 12560.2022 2.78% - 0s 0 0 12560.6146 0 51 12919.0000 12560.6146 2.77% - 0s 0 0 12561.2669 0 62 12919.0000 12561.2669 2.77% - 0s 0 0 12561.7234 0 64 12919.0000 12561.7234 2.77% - 0s 0 0 12561.9768 0 67 12919.0000 12561.9768 2.76% - 0s 0 0 12562.2401 0 60 12919.0000 12562.2401 2.76% - 0s 0 0 12562.3643 0 64 12919.0000 12562.3643 2.76% - 0s 0 0 12562.5134 0 64 12919.0000 12562.5134 2.76% - 0s 0 0 12563.0635 0 55 12919.0000 12563.0635 2.76% - 0s 0 0 12563.3083 0 65 12919.0000 12563.3083 2.75% - 0s 0 0 12564.0900 0 60 12919.0000 12564.0900 2.75% - 0s 0 0 12564.2365 0 63 12919.0000 12564.2365 2.75% - 0s 0 0 12564.4349 0 70 12919.0000 12564.4349 2.74% - 0s 0 0 12564.4817 0 69 12919.0000 12564.4817 2.74% - 0s 0 0 12564.7720 0 64 12919.0000 12564.7720 2.74% - 0s 0 0 12565.0140 0 65 12919.0000 12565.0140 2.74% - 0s H 0 0 12882.000000 12565.0140 2.46% - 1s H 0 0 12818.000000 12565.0140 1.97% - 1s 0 2 12565.1254 0 65 12818.0000 12565.1254 1.97% - 1s * 123 59 15 12814.000000 12636.7500 1.38% 6.8 1s * 169 65 10 12809.000000 12641.2000 1.31% 6.3 1s * 230 82 12 12807.000000 12659.0000 1.16% 5.9 1s Cutting planes: Gomory: 2 Zero half: 20 Explored 825 nodes (5378 simplex iterations) in 2.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280700000000e+04, best bound 1.280700000000e+04, gap 0.0% adding cut for [(34, 41), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 455 rows, 1128 columns and 112941 nonzeros Presolve time: 0.06s Presolved: 455 rows, 1128 columns, 112941 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.8000 2.29% - 0s 0 0 12552.7188 0 47 12833.0000 12552.7188 2.18% - 0s 0 0 12552.7188 0 37 12833.0000 12552.7188 2.18% - 0s 0 0 12562.3439 0 43 12833.0000 12562.3439 2.11% - 0s 0 0 12562.5350 0 51 12833.0000 12562.5350 2.11% - 0s 0 0 12563.1418 0 48 12833.0000 12563.1418 2.10% - 0s 0 0 12563.3470 0 56 12833.0000 12563.3470 2.10% - 0s 0 0 12563.7197 0 48 12833.0000 12563.7197 2.10% - 0s 0 0 12563.8917 0 56 12833.0000 12563.8917 2.10% - 0s 0 0 12564.3687 0 48 12833.0000 12564.3687 2.09% - 0s 0 0 12564.4120 0 54 12833.0000 12564.4120 2.09% - 0s 0 0 12564.5337 0 62 12833.0000 12564.5337 2.09% - 0s 0 0 12564.6722 0 63 12833.0000 12564.6722 2.09% - 0s 0 0 12565.4203 0 66 12833.0000 12565.4203 2.09% - 0s 0 0 12567.4650 0 64 12833.0000 12567.4650 2.07% - 0s 0 0 12567.9175 0 66 12833.0000 12567.9175 2.07% - 0s 0 0 12568.1545 0 60 12833.0000 12568.1545 2.06% - 0s 0 0 12568.1619 0 63 12833.0000 12568.1619 2.06% - 0s 0 0 12568.4817 0 63 12833.0000 12568.4817 2.06% - 0s 0 0 12568.5934 0 62 12833.0000 12568.5934 2.06% - 0s 0 0 12568.6041 0 68 12833.0000 12568.6041 2.06% - 0s 0 0 12569.2377 0 66 12833.0000 12569.2377 2.06% - 0s 0 0 12569.7106 0 71 12833.0000 12569.7106 2.05% - 0s 0 0 12570.1920 0 70 12833.0000 12570.1920 2.05% - 0s 0 0 12570.9047 0 73 12833.0000 12570.9047 2.04% - 0s 0 0 12571.3378 0 75 12833.0000 12571.3378 2.04% - 0s 0 0 12572.0532 0 68 12833.0000 12572.0532 2.03% - 0s 0 0 12572.2259 0 69 12833.0000 12572.2259 2.03% - 0s 0 0 12572.3583 0 68 12833.0000 12572.3583 2.03% - 1s 0 0 12572.3633 0 70 12833.0000 12572.3633 2.03% - 1s 0 0 12572.3633 0 70 12833.0000 12572.3633 2.03% - 1s 0 2 12572.8635 0 70 12833.0000 12572.8635 2.03% - 1s * 131 67 16 12812.000000 12631.7083 1.41% 5.8 1s * 151 62 14 12807.000000 12639.8065 1.31% 5.8 1s Cutting planes: Gomory: 2 Zero half: 18 Mod-K: 1 Explored 845 nodes (4959 simplex iterations) in 2.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280700000000e+04, best bound 1.280600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 456 rows, 1128 columns and 113217 nonzeros Presolve time: 0.06s Presolved: 456 rows, 1128 columns, 113217 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12952.000000 12538.8000 3.19% - 0s 0 0 12552.7188 0 47 12952.0000 12552.7188 3.08% - 0s 0 0 12552.7188 0 37 12952.0000 12552.7188 3.08% - 0s 0 0 12552.7188 0 47 12952.0000 12552.7188 3.08% - 0s 0 0 12553.3684 0 41 12952.0000 12553.3684 3.08% - 0s 0 0 12559.0962 0 52 12952.0000 12559.0962 3.03% - 0s 0 0 12559.1883 0 56 12952.0000 12559.1883 3.03% - 0s H 0 0 12843.000000 12559.1883 2.21% - 0s 0 0 12559.9556 0 57 12843.0000 12559.9556 2.20% - 0s 0 2 12567.4286 0 57 12843.0000 12567.4286 2.15% - 0s * 45 22 25 12818.000000 12602.3887 1.68% 11.7 2s * 210 58 20 12809.000000 12659.2500 1.17% 7.7 2s * 221 58 25 12807.000000 12659.2500 1.15% 7.5 2s Cutting planes: Gomory: 8 Zero half: 10 Mod-K: 3 Explored 923 nodes (5610 simplex iterations) in 2.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280700000000e+04, best bound 1.280600000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (23, 38), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 457 rows, 1128 columns and 113448 nonzeros Presolve time: 0.06s Presolved: 457 rows, 1128 columns, 113448 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 13084.000000 12538.8000 4.17% - 0s 0 0 12552.7188 0 47 13084.0000 12552.7188 4.06% - 0s 0 0 12552.7188 0 37 13084.0000 12552.7188 4.06% - 0s 0 0 12552.7188 0 47 13084.0000 12552.7188 4.06% - 0s 0 0 12553.3684 0 41 13084.0000 12553.3684 4.06% - 0s 0 0 12559.0962 0 52 13084.0000 12559.0962 4.01% - 0s 0 0 12559.2333 0 56 13084.0000 12559.2333 4.01% - 0s 0 0 12560.1897 0 61 13084.0000 12560.1897 4.00% - 0s 0 0 12560.8067 0 61 13084.0000 12560.8067 4.00% - 0s 0 0 12561.5895 0 56 13084.0000 12561.5895 3.99% - 0s 0 0 12561.6441 0 64 13084.0000 12561.6441 3.99% - 0s 0 0 12561.8862 0 60 13084.0000 12561.8862 3.99% - 0s 0 0 12562.0870 0 56 13084.0000 12562.0870 3.99% - 0s 0 0 12562.6049 0 63 13084.0000 12562.6049 3.98% - 0s 0 0 12562.9361 0 63 13084.0000 12562.9361 3.98% - 0s 0 0 12563.0980 0 63 13084.0000 12563.0980 3.98% - 0s 0 0 12563.6775 0 63 13084.0000 12563.6775 3.98% - 0s 0 0 12564.1620 0 66 13084.0000 12564.1620 3.97% - 0s 0 0 12564.5109 0 67 13084.0000 12564.5109 3.97% - 0s 0 0 12564.8379 0 68 13084.0000 12564.8379 3.97% - 0s 0 0 12565.0254 0 63 13084.0000 12565.0254 3.97% - 0s 0 0 12565.5415 0 71 13084.0000 12565.5415 3.96% - 0s 0 0 12565.9527 0 71 13084.0000 12565.9527 3.96% - 0s 0 0 12566.0139 0 74 13084.0000 12566.0139 3.96% - 1s 0 0 12566.1381 0 73 13084.0000 12566.1381 3.96% - 1s 0 0 12567.3500 0 61 13084.0000 12567.3500 3.95% - 1s H 0 0 12959.000000 12567.3500 3.02% - 1s H 0 0 12822.000000 12567.3500 1.99% - 1s 0 2 12567.7971 0 61 12822.0000 12567.7971 1.98% - 1s * 19 13 17 12816.000000 12572.9388 1.90% 9.6 1s * 44 15 23 12810.000000 12612.3750 1.54% 7.9 1s * 62 25 20 12808.000000 12620.0000 1.47% 7.2 1s * 444 80 12 12807.000000 12713.0000 0.73% 6.0 2s Cutting planes: Gomory: 2 Zero half: 12 Explored 733 nodes (4565 simplex iterations) in 2.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280700000000e+04, best bound 1.280700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 458 rows, 1128 columns and 113748 nonzeros Presolve time: 0.06s Presolved: 458 rows, 1128 columns, 113748 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12980.000000 12538.8000 3.40% - 0s 0 0 12552.7188 0 47 12980.0000 12552.7188 3.29% - 0s 0 0 12552.7188 0 37 12980.0000 12552.7188 3.29% - 0s 0 0 12552.7188 0 47 12980.0000 12552.7188 3.29% - 0s 0 0 12562.7667 0 45 12980.0000 12562.7667 3.21% - 0s 0 0 12562.9667 0 53 12980.0000 12562.9667 3.21% - 0s 0 0 12563.5814 0 42 12980.0000 12563.5814 3.21% - 0s 0 0 12563.7335 0 58 12980.0000 12563.7335 3.21% - 0s 0 0 12564.3373 0 51 12980.0000 12564.3373 3.20% - 0s 0 0 12564.4507 0 59 12980.0000 12564.4507 3.20% - 0s 0 0 12564.7722 0 63 12980.0000 12564.7722 3.20% - 0s 0 0 12565.4015 0 53 12980.0000 12565.4015 3.19% - 0s 0 0 12565.4886 0 61 12980.0000 12565.4886 3.19% - 0s 0 0 12565.8472 0 56 12980.0000 12565.8472 3.19% - 0s 0 0 12566.0352 0 62 12980.0000 12566.0352 3.19% - 0s 0 0 12566.4352 0 68 12980.0000 12566.4352 3.19% - 0s 0 0 12567.2949 0 65 12980.0000 12567.2949 3.18% - 0s 0 0 12568.2838 0 69 12980.0000 12568.2838 3.17% - 0s 0 0 12568.8651 0 68 12980.0000 12568.8651 3.17% - 0s 0 0 12569.1381 0 72 12980.0000 12569.1381 3.17% - 0s 0 0 12569.1528 0 71 12980.0000 12569.1528 3.17% - 0s 0 0 12569.2362 0 68 12980.0000 12569.2362 3.16% - 0s 0 0 12569.4266 0 74 12980.0000 12569.4266 3.16% - 0s 0 0 12571.7420 0 63 12980.0000 12571.7420 3.15% - 0s 0 0 12571.9779 0 67 12980.0000 12571.9779 3.14% - 0s 0 0 12572.5607 0 63 12980.0000 12572.5607 3.14% - 1s 0 0 12572.7425 0 63 12980.0000 12572.7425 3.14% - 1s 0 0 12572.8534 0 66 12980.0000 12572.8534 3.14% - 1s 0 0 12573.2035 0 72 12980.0000 12573.2035 3.13% - 1s 0 0 12573.3021 0 76 12980.0000 12573.3021 3.13% - 1s 0 0 12573.6253 0 68 12980.0000 12573.6253 3.13% - 1s 0 0 12573.6253 0 68 12980.0000 12573.6253 3.13% - 1s H 0 0 12959.000000 12573.6253 2.97% - 1s H 0 0 12818.000000 12573.6253 1.91% - 1s 0 2 12573.8607 0 68 12818.0000 12573.8607 1.90% - 1s * 51 28 26 12810.000000 12595.3111 1.68% 7.8 1s * 166 66 8 12808.000000 12655.3333 1.19% 6.7 2s Cutting planes: Gomory: 4 Zero half: 15 Explored 810 nodes (5094 simplex iterations) in 2.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280800000000e+04, best bound 1.280800000000e+04, gap 0.0% adding cut for [(33, 46), (38, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 459 rows, 1128 columns and 113938 nonzeros Presolve time: 0.06s Presolved: 459 rows, 1128 columns, 113938 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12538.8000 3.01% - 0s 0 0 12552.7188 0 47 12928.0000 12552.7188 2.90% - 0s 0 0 12552.7188 0 37 12928.0000 12552.7188 2.90% - 0s 0 0 12552.7188 0 47 12928.0000 12552.7188 2.90% - 0s 0 0 12557.7500 0 36 12928.0000 12557.7500 2.86% - 0s 0 0 12558.0000 0 54 12928.0000 12558.0000 2.86% - 0s 0 0 12559.3546 0 60 12928.0000 12559.3546 2.85% - 0s 0 0 12559.5919 0 61 12928.0000 12559.5919 2.85% - 0s 0 0 12562.2386 0 49 12928.0000 12562.2386 2.83% - 0s 0 0 12562.5125 0 51 12928.0000 12562.5125 2.83% - 0s 0 0 12562.7644 0 50 12928.0000 12562.7644 2.83% - 0s 0 0 12562.8990 0 58 12928.0000 12562.8990 2.82% - 0s 0 0 12563.5817 0 51 12928.0000 12563.5817 2.82% - 0s 0 0 12563.7195 0 53 12928.0000 12563.7195 2.82% - 0s 0 0 12563.7413 0 62 12928.0000 12563.7413 2.82% - 0s 0 0 12564.1705 0 60 12928.0000 12564.1705 2.81% - 0s 0 0 12564.2471 0 66 12928.0000 12564.2471 2.81% - 0s 0 0 12564.4150 0 68 12928.0000 12564.4150 2.81% - 0s 0 0 12564.5357 0 62 12928.0000 12564.5357 2.81% - 0s 0 0 12564.5769 0 57 12928.0000 12564.5769 2.81% - 0s 0 0 12564.5961 0 66 12928.0000 12564.5961 2.81% - 0s 0 0 12564.6140 0 67 12928.0000 12564.6140 2.81% - 0s H 0 0 12902.000000 12564.6140 2.61% - 1s H 0 0 12882.000000 12564.6140 2.46% - 1s H 0 0 12879.000000 12564.6140 2.44% - 1s 0 2 12564.8148 0 67 12879.0000 12564.8148 2.44% - 1s H 27 15 12862.000000 12611.1250 1.95% 8.8 1s * 34 13 30 12834.000000 12611.1250 1.74% 8.2 1s H 54 23 12816.000000 12620.0000 1.53% 8.7 1s * 70 32 24 12808.000000 12620.0000 1.47% 7.7 1s Cutting planes: Gomory: 3 Zero half: 18 Explored 862 nodes (4943 simplex iterations) in 2.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280800000000e+04, best bound 1.280800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 460 rows, 1128 columns and 114214 nonzeros Presolve time: 0.06s Presolved: 460 rows, 1128 columns, 114214 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start 0 0 12552.7188 0 47 47372.0000 12552.7188 73.5% - 0s 0 0 12557.4101 0 46 47372.0000 12557.4101 73.5% - 0s 0 0 12559.1038 0 52 47372.0000 12559.1038 73.5% - 0s 0 0 12559.3000 0 56 47372.0000 12559.3000 73.5% - 0s 0 0 12560.2489 0 51 47372.0000 12560.2489 73.5% - 0s 0 0 12560.2955 0 56 47372.0000 12560.2955 73.5% - 0s 0 0 12560.4552 0 60 47372.0000 12560.4552 73.5% - 0s 0 0 12560.8605 0 64 47372.0000 12560.8605 73.5% - 0s 0 0 12561.4590 0 64 47372.0000 12561.4590 73.5% - 0s 0 0 12562.0653 0 62 47372.0000 12562.0653 73.5% - 0s 0 0 12562.7538 0 62 47372.0000 12562.7538 73.5% - 0s 0 0 12564.0131 0 65 47372.0000 12564.0131 73.5% - 0s 0 0 12564.7630 0 67 47372.0000 12564.7630 73.5% - 0s 0 0 12565.1350 0 65 47372.0000 12565.1350 73.5% - 0s H 0 0 16543.000000 12565.1350 24.0% - 0s H 0 0 12993.000000 12565.1350 3.29% - 0s H 0 0 12822.000000 12565.1350 2.00% - 0s 0 0 12565.2491 0 69 12822.0000 12565.2491 2.00% - 0s 0 0 12565.2491 0 37 12822.0000 12565.2491 2.00% - 1s 0 0 12565.2491 0 42 12822.0000 12565.2491 2.00% - 1s 0 0 12567.9712 0 66 12822.0000 12567.9712 1.98% - 1s 0 0 12568.4502 0 73 12822.0000 12568.4502 1.98% - 1s 0 0 12568.8442 0 72 12822.0000 12568.8442 1.97% - 1s 0 0 12570.6333 0 68 12822.0000 12570.6333 1.96% - 1s 0 0 12571.4814 0 70 12822.0000 12571.4814 1.95% - 1s 0 0 12572.2645 0 73 12822.0000 12572.2645 1.95% - 1s 0 0 12572.9704 0 63 12822.0000 12572.9704 1.94% - 1s 0 0 12573.4449 0 68 12822.0000 12573.4449 1.94% - 1s 0 0 12573.6364 0 69 12822.0000 12573.6364 1.94% - 1s 0 0 12574.1304 0 74 12822.0000 12574.1304 1.93% - 1s 0 0 12574.3679 0 74 12822.0000 12574.3679 1.93% - 1s 0 2 12574.4797 0 74 12822.0000 12574.4797 1.93% - 1s * 56 24 22 12811.000000 12618.1429 1.51% 8.0 1s * 125 51 22 12808.000000 12638.7554 1.32% 7.5 2s Cutting planes: Gomory: 4 Zero half: 15 Explored 640 nodes (4633 simplex iterations) in 2.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280800000000e+04, best bound 1.280800000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (17, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 461 rows, 1128 columns and 114445 nonzeros Presolve time: 0.06s Presolved: 461 rows, 1128 columns, 114445 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12820.000000 12538.8000 2.19% - 0s 0 0 12552.7188 0 47 12820.0000 12552.7188 2.08% - 0s 0 0 12552.7188 0 37 12820.0000 12552.7188 2.08% - 0s 0 0 12552.7188 0 47 12820.0000 12552.7188 2.08% - 0s 0 0 12557.7500 0 36 12820.0000 12557.7500 2.05% - 0s 0 0 12558.0000 0 44 12820.0000 12558.0000 2.04% - 0s 0 0 12558.3226 0 54 12820.0000 12558.3226 2.04% - 0s 0 0 12561.3721 0 52 12820.0000 12561.3721 2.02% - 0s 0 0 12562.1275 0 48 12820.0000 12562.1275 2.01% - 0s 0 0 12562.2582 0 56 12820.0000 12562.2582 2.01% - 0s 0 0 12562.6891 0 58 12820.0000 12562.6891 2.01% - 0s 0 0 12563.2004 0 57 12820.0000 12563.2004 2.00% - 0s 0 0 12564.0846 0 64 12820.0000 12564.0846 2.00% - 0s 0 0 12565.4226 0 52 12820.0000 12565.4226 1.99% - 0s 0 0 12565.5911 0 60 12820.0000 12565.5911 1.98% - 0s 0 0 12565.8333 0 67 12820.0000 12565.8333 1.98% - 0s 0 0 12565.9010 0 63 12820.0000 12565.9010 1.98% - 0s 0 0 12565.9435 0 66 12820.0000 12565.9435 1.98% - 0s 0 0 12565.9700 0 70 12820.0000 12565.9700 1.98% - 0s 0 0 12566.2692 0 68 12820.0000 12566.2692 1.98% - 0s 0 0 12566.3836 0 69 12820.0000 12566.3836 1.98% - 0s 0 0 12566.4823 0 71 12820.0000 12566.4823 1.98% - 0s 0 0 12566.9049 0 67 12820.0000 12566.9049 1.97% - 0s 0 0 12566.9071 0 67 12820.0000 12566.9071 1.97% - 0s 0 0 12566.9380 0 71 12820.0000 12566.9380 1.97% - 0s 0 2 12567.0681 0 71 12820.0000 12567.0681 1.97% - 1s * 105 51 25 12812.000000 12630.0000 1.42% 6.5 1s * 154 72 17 12810.000000 12643.0000 1.30% 6.4 1s * 191 78 15 12808.000000 12648.3750 1.25% 6.2 1s Cutting planes: Gomory: 3 Zero half: 18 Explored 775 nodes (4928 simplex iterations) in 2.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280800000000e+04, best bound 1.280800000000e+04, gap 0.0% adding cut for [(2, 10), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (10, 40), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 462 rows, 1128 columns and 114796 nonzeros Presolve time: 0.06s Presolved: 462 rows, 1128 columns, 114796 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.8000 2.29% - 0s 0 0 12552.7188 0 47 12833.0000 12552.7188 2.18% - 0s 0 0 12552.7188 0 37 12833.0000 12552.7188 2.18% - 0s 0 0 12562.3439 0 43 12833.0000 12562.3439 2.11% - 0s 0 0 12562.5350 0 51 12833.0000 12562.5350 2.11% - 0s 0 0 12563.1418 0 48 12833.0000 12563.1418 2.10% - 0s 0 0 12563.3470 0 56 12833.0000 12563.3470 2.10% - 0s 0 0 12563.7197 0 48 12833.0000 12563.7197 2.10% - 0s 0 0 12563.9108 0 56 12833.0000 12563.9108 2.10% - 0s 0 0 12564.0952 0 43 12833.0000 12564.0952 2.10% - 0s 0 0 12564.4250 0 62 12833.0000 12564.4250 2.09% - 0s 0 0 12564.7192 0 55 12833.0000 12564.7192 2.09% - 0s 0 0 12564.8335 0 61 12833.0000 12564.8335 2.09% - 0s 0 0 12565.2644 0 65 12833.0000 12565.2644 2.09% - 0s 0 0 12565.8080 0 56 12833.0000 12565.8080 2.08% - 0s 0 0 12566.1452 0 63 12833.0000 12566.1452 2.08% - 0s 0 0 12566.6391 0 61 12833.0000 12566.6391 2.08% - 0s 0 0 12566.7676 0 67 12833.0000 12566.7676 2.07% - 0s 0 0 12567.5312 0 64 12833.0000 12567.5312 2.07% - 0s 0 0 12567.7748 0 66 12833.0000 12567.7748 2.07% - 0s 0 0 12567.9572 0 65 12833.0000 12567.9572 2.07% - 0s 0 0 12568.1408 0 67 12833.0000 12568.1408 2.06% - 0s 0 0 12568.8226 0 63 12833.0000 12568.8226 2.06% - 0s 0 0 12569.1023 0 69 12833.0000 12569.1023 2.06% - 0s 0 0 12569.4520 0 63 12833.0000 12569.4520 2.05% - 0s 0 0 12570.3212 0 67 12833.0000 12570.3212 2.05% - 0s 0 0 12570.9740 0 68 12833.0000 12570.9740 2.04% - 0s 0 0 12571.1157 0 64 12833.0000 12571.1157 2.04% - 0s 0 0 12571.2420 0 69 12833.0000 12571.2420 2.04% - 0s 0 0 12571.5983 0 73 12833.0000 12571.5983 2.04% - 0s 0 0 12571.6123 0 75 12833.0000 12571.6123 2.04% - 0s 0 0 12571.9886 0 70 12833.0000 12571.9886 2.03% - 1s 0 0 12572.1249 0 66 12833.0000 12572.1249 2.03% - 1s 0 0 12572.1249 0 66 12833.0000 12572.1249 2.03% - 1s 0 2 12572.1865 0 66 12833.0000 12572.1865 2.03% - 1s * 25 16 22 12815.000000 12604.9556 1.64% 8.8 1s * 161 84 18 12813.000000 12639.5185 1.35% 6.3 1s * 267 107 10 12809.000000 12673.9000 1.05% 6.2 2s Cutting planes: Gomory: 5 Zero half: 28 Explored 954 nodes (6073 simplex iterations) in 2.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280900000000e+04, best bound 1.280900000000e+04, gap 0.0% adding cut for [(2, 10), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (10, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 463 rows, 1128 columns and 115121 nonzeros Presolve time: 0.06s Presolved: 463 rows, 1128 columns, 115121 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.8000 2.29% - 0s 0 0 12552.7188 0 47 12833.0000 12552.7188 2.18% - 0s 0 0 12552.7188 0 37 12833.0000 12552.7188 2.18% - 0s 0 0 12552.7188 0 47 12833.0000 12552.7188 2.18% - 0s 0 0 12557.7500 0 36 12833.0000 12557.7500 2.14% - 0s 0 0 12559.0874 0 56 12833.0000 12559.0874 2.13% - 0s 0 0 12559.3957 0 59 12833.0000 12559.3957 2.13% - 0s 0 0 12560.9533 0 45 12833.0000 12560.9533 2.12% - 0s 0 0 12561.1385 0 53 12833.0000 12561.1385 2.12% - 0s 0 0 12561.6498 0 59 12833.0000 12561.6498 2.11% - 0s 0 0 12562.3019 0 49 12833.0000 12562.3019 2.11% - 0s 0 0 12562.6414 0 60 12833.0000 12562.6414 2.11% - 0s 0 0 12563.4382 0 63 12833.0000 12563.4382 2.10% - 0s 0 0 12563.7819 0 67 12833.0000 12563.7819 2.10% - 0s 0 0 12563.9661 0 66 12833.0000 12563.9661 2.10% - 0s 0 0 12564.2774 0 64 12833.0000 12564.2774 2.09% - 0s 0 0 12564.6512 0 62 12833.0000 12564.6512 2.09% - 0s 0 0 12564.8702 0 60 12833.0000 12564.8702 2.09% - 0s 0 0 12565.0497 0 61 12833.0000 12565.0497 2.09% - 0s 0 0 12565.2171 0 63 12833.0000 12565.2171 2.09% - 0s 0 0 12565.2812 0 64 12833.0000 12565.2812 2.09% - 0s 0 0 12565.3893 0 64 12833.0000 12565.3893 2.09% - 0s 0 0 12565.3911 0 65 12833.0000 12565.3911 2.09% - 0s 0 0 12565.4181 0 68 12833.0000 12565.4181 2.09% - 0s 0 0 12565.6952 0 66 12833.0000 12565.6952 2.08% - 0s 0 0 12565.6990 0 68 12833.0000 12565.6990 2.08% - 0s 0 2 12565.7173 0 68 12833.0000 12565.7173 2.08% - 1s * 55 30 32 12822.000000 12601.3125 1.72% 8.4 1s * 64 34 8 12821.000000 12614.1090 1.61% 9.0 1s * 69 33 12 12810.000000 12614.1090 1.53% 8.9 1s * 537 95 16 12809.000000 12715.7500 0.73% 6.2 2s Cutting planes: Gomory: 3 Zero half: 14 Mod-K: 2 Explored 857 nodes (5483 simplex iterations) in 2.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280900000000e+04, best bound 1.280900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (23, 40), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 464 rows, 1128 columns and 115472 nonzeros Presolve time: 0.06s Presolved: 464 rows, 1128 columns, 115472 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12857.000000 12538.8000 2.47% - 0s 0 0 12552.7188 0 47 12857.0000 12552.7188 2.37% - 0s 0 0 12552.7188 0 37 12857.0000 12552.7188 2.37% - 0s 0 0 12552.7188 0 47 12857.0000 12552.7188 2.37% - 0s 0 0 12557.7500 0 36 12857.0000 12557.7500 2.33% - 0s 0 0 12558.0000 0 44 12857.0000 12558.0000 2.33% - 0s H 0 0 12849.000000 12558.0000 2.26% - 0s 0 0 12558.5500 0 51 12849.0000 12558.5500 2.26% - 0s 0 0 12559.6090 0 60 12849.0000 12559.6090 2.25% - 0s 0 0 12560.4554 0 56 12849.0000 12560.4554 2.25% - 0s 0 0 12561.1645 0 62 12849.0000 12561.1645 2.24% - 0s 0 0 12562.4539 0 58 12849.0000 12562.4539 2.23% - 0s 0 0 12563.4310 0 60 12849.0000 12563.4310 2.22% - 0s 0 0 12563.5630 0 66 12849.0000 12563.5630 2.22% - 0s 0 0 12564.0695 0 60 12849.0000 12564.0695 2.22% - 0s 0 0 12564.4000 0 55 12849.0000 12564.4000 2.21% - 0s 0 0 12564.4259 0 61 12849.0000 12564.4259 2.21% - 0s 0 0 12564.4570 0 65 12849.0000 12564.4570 2.21% - 0s H 0 0 12833.000000 12564.4570 2.09% - 1s 0 2 12564.9820 0 65 12833.0000 12564.9820 2.09% - 1s * 99 59 22 12829.000000 12620.0000 1.63% 6.5 1s * 101 53 20 12816.000000 12620.0000 1.53% 6.3 1s * 184 79 32 12811.000000 12651.5385 1.24% 6.2 1s * 226 90 9 12810.000000 12667.3333 1.11% 6.3 1s * 657 105 14 12809.000000 12728.2500 0.63% 6.4 2s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 1 Explored 854 nodes (5585 simplex iterations) in 2.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280900000000e+04, best bound 1.280900000000e+04, gap 0.0% adding cut for [(2, 23), (2, 38), (7, 28), (7, 37), (8, 19), (8, 28), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 465 rows, 1128 columns and 115725 nonzeros Presolve time: 0.06s Presolved: 465 rows, 1128 columns, 115725 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12904.000000 12538.8000 2.83% - 0s 0 0 12552.7188 0 47 12904.0000 12552.7188 2.72% - 0s 0 0 12552.7188 0 37 12904.0000 12552.7188 2.72% - 0s 0 0 12552.7188 0 47 12904.0000 12552.7188 2.72% - 0s 0 0 12557.7500 0 36 12904.0000 12557.7500 2.68% - 0s 0 0 12559.0874 0 56 12904.0000 12559.0874 2.67% - 0s 0 0 12559.3957 0 59 12904.0000 12559.3957 2.67% - 0s 0 0 12560.9766 0 51 12904.0000 12560.9766 2.66% - 0s 0 0 12561.1216 0 59 12904.0000 12561.1216 2.66% - 0s 0 0 12561.8030 0 60 12904.0000 12561.8030 2.65% - 0s 0 0 12562.2916 0 55 12904.0000 12562.2916 2.65% - 0s 0 0 12562.5808 0 59 12904.0000 12562.5808 2.65% - 0s 0 0 12562.7009 0 63 12904.0000 12562.7009 2.64% - 0s 0 0 12562.9300 0 65 12904.0000 12562.9300 2.64% - 0s 0 0 12563.1232 0 60 12904.0000 12563.1232 2.64% - 0s 0 0 12563.2204 0 65 12904.0000 12563.2204 2.64% - 0s 0 0 12563.3550 0 63 12904.0000 12563.3550 2.64% - 0s 0 0 12563.5500 0 68 12904.0000 12563.5500 2.64% - 0s 0 0 12564.3120 0 67 12904.0000 12564.3120 2.63% - 0s 0 0 12564.9860 0 53 12904.0000 12564.9860 2.63% - 0s 0 0 12565.1197 0 60 12904.0000 12565.1197 2.63% - 0s H 0 0 12833.000000 12565.1197 2.09% - 1s 0 2 12565.9348 0 60 12833.0000 12565.9348 2.08% - 1s * 25 11 22 12812.000000 12593.0000 1.71% 7.5 1s * 155 50 11 12810.000000 12644.0000 1.30% 6.8 1s Cutting planes: Gomory: 4 Zero half: 18 Mod-K: 2 Explored 941 nodes (5938 simplex iterations) in 2.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281000000000e+04, best bound 1.281000000000e+04, gap 0.0% adding cut for [(4, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 466 rows, 1128 columns and 115978 nonzeros Presolve time: 0.06s Presolved: 466 rows, 1128 columns, 115978 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12822.000000 12538.8000 2.21% - 0s 0 0 12552.7188 0 47 12822.0000 12552.7188 2.10% - 0s 0 0 12552.7188 0 37 12822.0000 12552.7188 2.10% - 0s 0 0 12552.7188 0 47 12822.0000 12552.7188 2.10% - 0s 0 0 12557.7500 0 36 12822.0000 12557.7500 2.06% - 0s 0 0 12557.9423 0 44 12822.0000 12557.9423 2.06% - 0s 0 0 12558.0886 0 54 12822.0000 12558.0886 2.06% - 0s 0 0 12559.5385 0 60 12822.0000 12559.5385 2.05% - 0s 0 0 12560.3791 0 56 12822.0000 12560.3791 2.04% - 0s 0 0 12561.3485 0 56 12822.0000 12561.3485 2.03% - 0s 0 0 12561.5360 0 64 12822.0000 12561.5360 2.03% - 0s 0 0 12563.8328 0 57 12822.0000 12563.8328 2.01% - 0s 0 0 12564.5812 0 70 12822.0000 12564.5812 2.01% - 0s 0 0 12564.8556 0 43 12822.0000 12564.8556 2.01% - 0s 0 0 12565.1466 0 53 12822.0000 12565.1466 2.00% - 0s 0 0 12565.3019 0 56 12822.0000 12565.3019 2.00% - 0s 0 0 12565.3280 0 64 12822.0000 12565.3280 2.00% - 0s 0 0 12566.0615 0 56 12822.0000 12566.0615 2.00% - 0s 0 0 12566.1616 0 66 12822.0000 12566.1616 2.00% - 0s 0 0 12566.3687 0 55 12822.0000 12566.3687 1.99% - 0s 0 0 12566.4069 0 61 12822.0000 12566.4069 1.99% - 0s 0 0 12566.4410 0 63 12822.0000 12566.4410 1.99% - 0s 0 0 12566.4694 0 69 12822.0000 12566.4694 1.99% - 0s 0 0 12566.6178 0 67 12822.0000 12566.6178 1.99% - 0s 0 0 12566.6276 0 72 12822.0000 12566.6276 1.99% - 0s 0 2 12566.7120 0 72 12822.0000 12566.7120 1.99% - 1s * 44 13 39 12811.000000 12619.0000 1.50% 6.8 1s * 158 53 8 12810.000000 12650.3333 1.25% 6.7 1s Cutting planes: Gomory: 4 Zero half: 21 Mod-K: 1 Explored 1056 nodes (6295 simplex iterations) in 2.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281000000000e+04, best bound 1.281000000000e+04, gap 0.0% adding cut for [(33, 36), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (12, 13), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 467 rows, 1128 columns and 116188 nonzeros Presolve time: 0.06s Presolved: 467 rows, 1128 columns, 116188 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12538.8000 2.67% - 0s 0 0 12552.7188 0 47 12883.0000 12552.7188 2.56% - 0s 0 0 12552.7188 0 37 12883.0000 12552.7188 2.56% - 0s 0 0 12552.7188 0 47 12883.0000 12552.7188 2.56% - 0s 0 0 12557.7500 0 36 12883.0000 12557.7500 2.52% - 0s 0 0 12558.0000 0 44 12883.0000 12558.0000 2.52% - 0s 0 0 12558.1792 0 54 12883.0000 12558.1792 2.52% - 0s 0 0 12559.5897 0 52 12883.0000 12559.5897 2.51% - 0s 0 0 12559.7599 0 60 12883.0000 12559.7599 2.51% - 0s 0 0 12560.5506 0 51 12883.0000 12560.5506 2.50% - 0s 0 0 12560.7326 0 61 12883.0000 12560.7326 2.50% - 0s 0 0 12562.5628 0 57 12883.0000 12562.5628 2.49% - 0s 0 0 12562.8123 0 61 12883.0000 12562.8123 2.49% - 0s 0 0 12562.9347 0 62 12883.0000 12562.9347 2.48% - 0s 0 0 12563.3199 0 63 12883.0000 12563.3199 2.48% - 0s 0 0 12563.3934 0 65 12883.0000 12563.3934 2.48% - 0s 0 0 12563.5011 0 66 12883.0000 12563.5011 2.48% - 0s 0 0 12563.5288 0 67 12883.0000 12563.5288 2.48% - 0s 0 0 12563.6078 0 66 12883.0000 12563.6078 2.48% - 0s 0 0 12564.4680 0 62 12883.0000 12564.4680 2.47% - 0s 0 0 12564.4876 0 64 12883.0000 12564.4876 2.47% - 0s 0 0 12564.4956 0 64 12883.0000 12564.4956 2.47% - 0s 0 0 12564.7005 0 68 12883.0000 12564.7005 2.47% - 1s 0 0 12565.0089 0 64 12883.0000 12565.0089 2.47% - 1s 0 0 12565.2130 0 69 12883.0000 12565.2130 2.47% - 1s 0 0 12565.6658 0 70 12883.0000 12565.6658 2.46% - 1s 0 0 12565.8204 0 71 12883.0000 12565.8204 2.46% - 1s 0 0 12566.0025 0 67 12883.0000 12566.0025 2.46% - 1s 0 0 12566.1449 0 71 12883.0000 12566.1449 2.46% - 1s 0 0 12566.1560 0 74 12883.0000 12566.1560 2.46% - 1s H 0 0 12857.000000 12566.1560 2.26% - 1s 0 2 12566.1687 0 74 12857.0000 12566.1687 2.26% - 1s * 64 29 38 12812.000000 12620.0000 1.50% 7.5 2s * 180 67 14 12811.000000 12667.5714 1.12% 6.0 2s * 472 70 15 12810.000000 12713.0000 0.76% 6.3 2s Cutting planes: Gomory: 3 Zero half: 19 Mod-K: 6 Explored 744 nodes (4699 simplex iterations) in 2.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281000000000e+04, best bound 1.280900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 40), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 468 rows, 1128 columns and 116441 nonzeros Presolve time: 0.06s Presolved: 468 rows, 1128 columns, 116441 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12822.000000 12538.8000 2.21% - 0s 0 0 12552.7188 0 47 12822.0000 12552.7188 2.10% - 0s 0 0 12552.7188 0 37 12822.0000 12552.7188 2.10% - 0s 0 0 12552.7188 0 47 12822.0000 12552.7188 2.10% - 0s 0 0 12557.7500 0 36 12822.0000 12557.7500 2.06% - 0s 0 0 12557.9423 0 44 12822.0000 12557.9423 2.06% - 0s 0 0 12558.0886 0 54 12822.0000 12558.0886 2.06% - 0s 0 0 12559.5385 0 60 12822.0000 12559.5385 2.05% - 0s 0 0 12560.3791 0 56 12822.0000 12560.3791 2.04% - 0s 0 0 12561.3485 0 56 12822.0000 12561.3485 2.03% - 0s 0 0 12561.5360 0 64 12822.0000 12561.5360 2.03% - 0s 0 0 12563.8328 0 57 12822.0000 12563.8328 2.01% - 0s 0 0 12564.5812 0 70 12822.0000 12564.5812 2.01% - 0s 0 0 12564.8556 0 43 12822.0000 12564.8556 2.01% - 0s 0 0 12565.1466 0 53 12822.0000 12565.1466 2.00% - 0s 0 0 12565.3019 0 56 12822.0000 12565.3019 2.00% - 0s 0 0 12565.3214 0 64 12822.0000 12565.3214 2.00% - 0s 0 0 12566.1033 0 50 12822.0000 12566.1033 2.00% - 0s 0 0 12566.1720 0 62 12822.0000 12566.1720 2.00% - 0s 0 0 12566.3396 0 59 12822.0000 12566.3396 1.99% - 0s 0 0 12566.4261 0 65 12822.0000 12566.4261 1.99% - 0s 0 0 12566.4442 0 67 12822.0000 12566.4442 1.99% - 0s 0 0 12566.7278 0 65 12822.0000 12566.7278 1.99% - 0s 0 0 12566.7949 0 71 12822.0000 12566.7949 1.99% - 0s H 0 0 12819.000000 12566.7949 1.97% - 1s 0 2 12566.9047 0 71 12819.0000 12566.9047 1.97% - 1s * 37 11 10 12815.000000 12604.0000 1.65% 8.1 1s * 66 24 25 12812.000000 12615.0000 1.54% 7.7 1s * 293 90 11 12811.000000 12675.7500 1.06% 5.9 1s * 497 89 14 12810.000000 12701.0000 0.85% 6.0 1s Cutting planes: Gomory: 3 Zero half: 12 Explored 801 nodes (5040 simplex iterations) in 2.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281000000000e+04, best bound 1.281000000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 469 rows, 1128 columns and 116631 nonzeros Presolve time: 0.06s Presolved: 469 rows, 1128 columns, 116631 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12538.8000 2.67% - 0s 0 0 12552.7188 0 47 12883.0000 12552.7188 2.56% - 0s 0 0 12552.7188 0 37 12883.0000 12552.7188 2.56% - 0s 0 0 12552.7188 0 47 12883.0000 12552.7188 2.56% - 0s 0 0 12557.7500 0 36 12883.0000 12557.7500 2.52% - 0s 0 0 12558.0000 0 44 12883.0000 12558.0000 2.52% - 0s 0 0 12558.1792 0 54 12883.0000 12558.1792 2.52% - 0s 0 0 12559.5897 0 52 12883.0000 12559.5897 2.51% - 0s 0 0 12559.7599 0 60 12883.0000 12559.7599 2.51% - 0s 0 0 12560.5506 0 51 12883.0000 12560.5506 2.50% - 0s 0 0 12560.7326 0 61 12883.0000 12560.7326 2.50% - 0s 0 0 12562.5628 0 57 12883.0000 12562.5628 2.49% - 0s 0 0 12562.8123 0 61 12883.0000 12562.8123 2.49% - 0s 0 0 12562.9347 0 62 12883.0000 12562.9347 2.48% - 0s 0 0 12563.3199 0 63 12883.0000 12563.3199 2.48% - 0s 0 0 12563.3934 0 65 12883.0000 12563.3934 2.48% - 0s 0 0 12563.5011 0 66 12883.0000 12563.5011 2.48% - 0s 0 0 12563.5288 0 67 12883.0000 12563.5288 2.48% - 0s 0 0 12563.6078 0 66 12883.0000 12563.6078 2.48% - 0s 0 0 12564.4680 0 62 12883.0000 12564.4680 2.47% - 0s 0 0 12564.4876 0 64 12883.0000 12564.4876 2.47% - 0s 0 0 12564.4956 0 64 12883.0000 12564.4956 2.47% - 0s 0 0 12564.7005 0 68 12883.0000 12564.7005 2.47% - 1s 0 0 12565.0089 0 64 12883.0000 12565.0089 2.47% - 1s 0 0 12565.2130 0 69 12883.0000 12565.2130 2.47% - 1s 0 0 12565.6658 0 70 12883.0000 12565.6658 2.46% - 1s 0 0 12565.8204 0 71 12883.0000 12565.8204 2.46% - 1s 0 0 12566.0025 0 67 12883.0000 12566.0025 2.46% - 1s 0 0 12566.1449 0 71 12883.0000 12566.1449 2.46% - 1s 0 0 12566.1560 0 74 12883.0000 12566.1560 2.46% - 1s H 0 0 12867.000000 12566.1560 2.34% - 1s H 0 0 12854.000000 12566.1560 2.24% - 1s H 0 0 12833.000000 12566.1560 2.08% - 1s 0 2 12566.1687 0 74 12833.0000 12566.1687 2.08% - 1s * 89 33 25 12824.000000 12620.0000 1.59% 6.3 2s H 119 52 12820.000000 12641.0000 1.40% 6.1 2s * 124 49 29 12811.000000 12641.0000 1.33% 6.0 2s * 142 63 17 12810.000000 12648.0000 1.26% 6.1 2s Cutting planes: Gomory: 3 Zero half: 23 Mod-K: 6 Explored 873 nodes (5418 simplex iterations) in 2.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281000000000e+04, best bound 1.281000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 470 rows, 1128 columns and 116931 nonzeros Presolve time: 0.06s Presolved: 470 rows, 1128 columns, 116931 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12822.000000 12538.8000 2.21% - 0s 0 0 12552.7188 0 47 12822.0000 12552.7188 2.10% - 0s 0 0 12552.7188 0 37 12822.0000 12552.7188 2.10% - 0s 0 0 12552.7188 0 47 12822.0000 12552.7188 2.10% - 0s 0 0 12557.7500 0 36 12822.0000 12557.7500 2.06% - 0s 0 0 12557.9423 0 44 12822.0000 12557.9423 2.06% - 0s 0 0 12558.0886 0 54 12822.0000 12558.0886 2.06% - 0s 0 0 12559.5385 0 60 12822.0000 12559.5385 2.05% - 0s 0 0 12560.3791 0 56 12822.0000 12560.3791 2.04% - 0s 0 0 12561.3485 0 56 12822.0000 12561.3485 2.03% - 0s 0 0 12561.5360 0 64 12822.0000 12561.5360 2.03% - 0s 0 0 12563.8328 0 57 12822.0000 12563.8328 2.01% - 0s 0 0 12564.5812 0 70 12822.0000 12564.5812 2.01% - 0s 0 0 12564.8556 0 43 12822.0000 12564.8556 2.01% - 0s 0 0 12565.1466 0 53 12822.0000 12565.1466 2.00% - 0s 0 0 12565.3019 0 56 12822.0000 12565.3019 2.00% - 0s 0 0 12565.3280 0 64 12822.0000 12565.3280 2.00% - 0s 0 0 12566.0615 0 56 12822.0000 12566.0615 2.00% - 0s 0 0 12566.1616 0 66 12822.0000 12566.1616 2.00% - 0s 0 0 12566.3687 0 55 12822.0000 12566.3687 1.99% - 0s 0 0 12566.4069 0 61 12822.0000 12566.4069 1.99% - 0s 0 0 12566.4410 0 63 12822.0000 12566.4410 1.99% - 0s 0 0 12566.4694 0 69 12822.0000 12566.4694 1.99% - 0s 0 0 12566.6178 0 67 12822.0000 12566.6178 1.99% - 0s 0 0 12566.6276 0 72 12822.0000 12566.6276 1.99% - 0s 0 2 12566.7120 0 72 12822.0000 12566.7120 1.99% - 1s * 44 13 39 12811.000000 12619.0000 1.50% 6.8 1s * 501 123 12 12810.000000 12698.2500 0.87% 5.9 2s Cutting planes: Gomory: 4 Zero half: 20 Mod-K: 1 Explored 1036 nodes (6225 simplex iterations) in 2.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281000000000e+04, best bound 1.281000000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 16), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 471 rows, 1128 columns and 117141 nonzeros Presolve time: 0.06s Presolved: 471 rows, 1128 columns, 117141 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12538.8000 2.67% - 0s 0 0 12552.7188 0 47 12883.0000 12552.7188 2.56% - 0s 0 0 12552.7188 0 37 12883.0000 12552.7188 2.56% - 0s 0 0 12552.7188 0 47 12883.0000 12552.7188 2.56% - 0s 0 0 12557.7500 0 36 12883.0000 12557.7500 2.52% - 0s 0 0 12558.0000 0 44 12883.0000 12558.0000 2.52% - 0s 0 0 12558.1792 0 54 12883.0000 12558.1792 2.52% - 0s 0 0 12559.5897 0 52 12883.0000 12559.5897 2.51% - 0s 0 0 12559.7599 0 60 12883.0000 12559.7599 2.51% - 0s 0 0 12560.5506 0 51 12883.0000 12560.5506 2.50% - 0s 0 0 12560.7326 0 61 12883.0000 12560.7326 2.50% - 0s 0 0 12562.5628 0 57 12883.0000 12562.5628 2.49% - 0s 0 0 12562.8154 0 61 12883.0000 12562.8154 2.49% - 0s 0 0 12562.8896 0 58 12883.0000 12562.8896 2.48% - 0s 0 0 12563.1500 0 62 12883.0000 12563.1500 2.48% - 0s 0 0 12563.2842 0 65 12883.0000 12563.2842 2.48% - 0s 0 0 12563.4028 0 68 12883.0000 12563.4028 2.48% - 0s H 0 0 12882.000000 12563.4028 2.47% - 1s H 0 0 12879.000000 12563.4028 2.45% - 1s 0 2 12563.5332 0 68 12879.0000 12563.5332 2.45% - 1s * 23 16 19 12854.000000 12572.6905 2.19% 11.0 1s H 27 18 12852.000000 12610.2500 1.88% 10.7 1s * 45 25 18 12811.000000 12610.2500 1.57% 9.2 1s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 2 Explored 1611 nodes (9778 simplex iterations) in 3.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281100000000e+04, best bound 1.281000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 47)] Optimize a model with 472 rows, 1128 columns and 117394 nonzeros Presolve time: 0.06s Presolved: 472 rows, 1128 columns, 117394 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12823.000000 12538.8000 2.22% - 0s 0 0 12552.7188 0 47 12823.0000 12552.7188 2.11% - 0s 0 0 12552.7188 0 37 12823.0000 12552.7188 2.11% - 0s 0 0 12552.7188 0 47 12823.0000 12552.7188 2.11% - 0s 0 0 12557.7500 0 36 12823.0000 12557.7500 2.07% - 0s 0 0 12557.9423 0 44 12823.0000 12557.9423 2.07% - 0s 0 0 12558.0264 0 54 12823.0000 12558.0264 2.07% - 0s 0 0 12559.5247 0 62 12823.0000 12559.5247 2.05% - 0s 0 0 12559.7969 0 61 12823.0000 12559.7969 2.05% - 0s 0 0 12561.3966 0 48 12823.0000 12561.3966 2.04% - 0s 0 0 12561.5216 0 56 12823.0000 12561.5216 2.04% - 0s 0 0 12561.8886 0 60 12823.0000 12561.8886 2.04% - 0s 0 0 12562.0590 0 61 12823.0000 12562.0590 2.03% - 0s 0 0 12562.8286 0 55 12823.0000 12562.8286 2.03% - 0s 0 0 12563.1666 0 68 12823.0000 12563.1666 2.03% - 0s 0 0 12563.5794 0 66 12823.0000 12563.5794 2.02% - 0s 0 0 12564.3042 0 61 12823.0000 12564.3042 2.02% - 0s 0 0 12564.3788 0 62 12823.0000 12564.3788 2.02% - 0s 0 0 12564.4426 0 65 12823.0000 12564.4426 2.02% - 0s 0 0 12564.6665 0 68 12823.0000 12564.6665 2.01% - 0s 0 0 12564.8672 0 68 12823.0000 12564.8672 2.01% - 0s 0 0 12565.0451 0 69 12823.0000 12565.0451 2.01% - 0s 0 0 12565.2805 0 73 12823.0000 12565.2805 2.01% - 0s 0 0 12566.2210 0 60 12823.0000 12566.2210 2.00% - 0s 0 0 12566.2397 0 66 12823.0000 12566.2397 2.00% - 0s 0 0 12566.4628 0 62 12823.0000 12566.4628 2.00% - 0s 0 0 12566.4917 0 64 12823.0000 12566.4917 2.00% - 0s 0 0 12566.6238 0 65 12823.0000 12566.6238 2.00% - 0s 0 0 12566.6484 0 67 12823.0000 12566.6484 2.00% - 0s 0 0 12566.6973 0 68 12823.0000 12566.6973 2.00% - 1s 0 0 12566.8866 0 68 12823.0000 12566.8866 2.00% - 1s 0 0 12566.8866 0 68 12823.0000 12566.8866 2.00% - 1s 0 2 12567.0095 0 68 12823.0000 12567.0095 2.00% - 1s * 77 35 20 12819.000000 12626.3077 1.50% 7.9 1s * 126 51 10 12812.000000 12642.1231 1.33% 7.3 1s * 325 103 12 12811.000000 12674.6667 1.06% 6.2 2s Cutting planes: Gomory: 4 Zero half: 15 Mod-K: 5 Explored 1054 nodes (6561 simplex iterations) in 2.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281100000000e+04, best bound 1.281100000000e+04, gap 0.0% adding cut for [(33, 46), (34, 41), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 33), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 473 rows, 1128 columns and 117604 nonzeros Presolve time: 0.06s Presolved: 473 rows, 1128 columns, 117604 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12538.8000 2.29% - 0s 0 0 12552.7188 0 47 12833.0000 12552.7188 2.18% - 0s 0 0 12552.7188 0 37 12833.0000 12552.7188 2.18% - 0s 0 0 12552.7188 0 47 12833.0000 12552.7188 2.18% - 0s 0 0 12557.7500 0 36 12833.0000 12557.7500 2.14% - 0s 0 0 12559.0885 0 52 12833.0000 12559.0885 2.13% - 0s 0 0 12559.3095 0 56 12833.0000 12559.3095 2.13% - 0s 0 0 12560.2334 0 61 12833.0000 12560.2334 2.13% - 0s 0 0 12560.6146 0 51 12833.0000 12560.6146 2.12% - 0s 0 0 12561.2715 0 62 12833.0000 12561.2715 2.12% - 0s 0 0 12562.1078 0 54 12833.0000 12562.1078 2.11% - 0s 0 0 12562.1833 0 59 12833.0000 12562.1833 2.11% - 0s 0 0 12562.2161 0 64 12833.0000 12562.2161 2.11% - 0s 0 0 12562.3360 0 65 12833.0000 12562.3360 2.11% - 0s 0 0 12564.0123 0 60 12833.0000 12564.0123 2.10% - 0s 0 0 12564.0673 0 63 12833.0000 12564.0673 2.10% - 0s 0 0 12564.2458 0 66 12833.0000 12564.2458 2.09% - 0s H 0 0 12818.000000 12564.2458 1.98% - 0s 0 2 12564.2711 0 66 12818.0000 12564.2711 1.98% - 1s * 82 41 23 12813.000000 12621.5714 1.49% 6.2 1s * 155 86 25 12811.000000 12639.0000 1.34% 6.1 1s Cutting planes: Gomory: 4 Zero half: 12 Mod-K: 1 Explored 1039 nodes (6200 simplex iterations) in 2.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281100000000e+04, best bound 1.281100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 474 rows, 1128 columns and 117880 nonzeros Presolve time: 0.06s Presolved: 474 rows, 1128 columns, 117880 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.253880e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12538.8000 0 37 47372.0000 12538.8000 73.5% - 0s Another try with MIP start H 0 0 12922.000000 12538.8000 2.97% - 0s 0 0 12552.7188 0 47 12922.0000 12552.7188 2.86% - 0s 0 0 12552.7188 0 37 12922.0000 12552.7188 2.86% - 0s 0 0 12552.7188 0 47 12922.0000 12552.7188 2.86% - 0s 0 0 12557.7500 0 36 12922.0000 12557.7500 2.82% - 0s 0 0 12558.0000 0 44 12922.0000 12558.0000 2.82% - 0s 0 0 12558.5165 0 58 12922.0000 12558.5165 2.81% - 0s H 0 0 12883.000000 12558.5165 2.52% - 0s 0 0 12561.1279 0 54 12883.0000 12561.1279 2.50% - 0s 0 0 12561.5225 0 60 12883.0000 12561.5225 2.50% - 0s 0 0 12561.6906 0 61 12883.0000 12561.6906 2.49% - 0s 0 0 12562.4847 0 65 12883.0000 12562.4847 2.49% - 0s 0 0 12563.3703 0 52 12883.0000 12563.3703 2.48% - 0s 0 0 12563.4796 0 58 12883.0000 12563.4796 2.48% - 0s 0 0 12563.6452 0 69 12883.0000 12563.6452 2.48% - 0s 0 0 12564.4775 0 58 12883.0000 12564.4775 2.47% - 0s 0 0 12565.0493 0 59 12883.0000 12565.0493 2.47% - 0s 0 0 12565.1243 0 58 12883.0000 12565.1243 2.47% - 0s 0 0 12565.6667 0 62 12883.0000 12565.6667 2.46% - 0s 0 0 12566.1693 0 63 12883.0000 12566.1693 2.46% - 0s 0 0 12566.8638 0 68 12883.0000 12566.8638 2.45% - 0s 0 0 12567.2256 0 67 12883.0000 12567.2256 2.45% - 0s 0 0 12567.2703 0 62 12883.0000 12567.2703 2.45% - 0s 0 0 12567.3394 0 67 12883.0000 12567.3394 2.45% - 0s 0 0 12567.5189 0 68 12883.0000 12567.5189 2.45% - 0s 0 0 12567.5966 0 70 12883.0000 12567.5966 2.45% - 0s 0 0 12567.6651 0 74 12883.0000 12567.6651 2.45% - 0s 0 0 12567.8030 0 71 12883.0000 12567.8030 2.45% - 0s 0 0 12567.9346 0 74 12883.0000 12567.9346 2.45% - 0s 0 0 12569.0556 0 55 12883.0000 12569.0556 2.44% - 1s 0 0 12569.4486 0 60 12883.0000 12569.4486 2.43% - 1s 0 0 12569.4701 0 60 12883.0000 12569.4701 2.43% - 1s 0 0 12569.4711 0 62 12883.0000 12569.4711 2.43% - 1s 0 2 12569.5114 0 62 12883.0000 12569.5114 2.43% - 1s * 48 24 44 12868.000000 12592.6667 2.14% 6.6 1s * 93 42 13 12832.000000 12615.8095 1.68% 7.1 1s * 112 48 21 12822.000000 12627.5357 1.52% 6.8 1s * 133 56 12 12818.000000 12627.5357 1.49% 6.8 1s * 178 69 13 12812.000000 12648.0000 1.28% 6.2 2s * 397 125 6 12811.000000 12691.2500 0.93% 5.9 2s Cutting planes: Gomory: 3 Zero half: 13 Explored 1093 nodes (6293 simplex iterations) in 2.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281100000000e+04, best bound 1.281100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 475 rows, 1128 columns and 118156 nonzeros Presolve time: 0.06s Presolved: 475 rows, 1128 columns, 118156 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12851.000000 12541.1667 2.41% - 0s 0 0 12558.9512 0 38 12851.0000 12558.9512 2.27% - 0s 0 0 12558.9512 0 41 12851.0000 12558.9512 2.27% - 0s 0 0 12558.9512 0 38 12851.0000 12558.9512 2.27% - 0s 0 0 12564.9592 0 29 12851.0000 12564.9592 2.23% - 0s H 0 0 12850.000000 12564.9592 2.22% - 0s 0 0 12573.0974 0 36 12850.0000 12573.0974 2.15% - 0s 0 0 12578.1409 0 46 12850.0000 12578.1409 2.12% - 0s 0 0 12579.4420 0 42 12850.0000 12579.4420 2.11% - 0s 0 0 12580.7095 0 45 12850.0000 12580.7095 2.10% - 0s 0 0 12581.4992 0 45 12850.0000 12581.4992 2.09% - 0s 0 0 12583.1196 0 46 12850.0000 12583.1196 2.08% - 0s 0 0 12583.5989 0 54 12850.0000 12583.5989 2.07% - 0s 0 0 12584.4736 0 43 12850.0000 12584.4736 2.07% - 0s 0 0 12584.5263 0 56 12850.0000 12584.5263 2.07% - 0s 0 0 12584.6451 0 57 12850.0000 12584.6451 2.07% - 0s 0 0 12584.6523 0 62 12850.0000 12584.6523 2.06% - 0s 0 0 12585.2214 0 46 12850.0000 12585.2214 2.06% - 0s 0 0 12585.2744 0 49 12850.0000 12585.2744 2.06% - 0s 0 0 12585.3118 0 57 12850.0000 12585.3118 2.06% - 0s 0 0 12585.3494 0 57 12850.0000 12585.3494 2.06% - 0s 0 0 12585.4042 0 54 12850.0000 12585.4042 2.06% - 0s 0 2 12585.4518 0 54 12850.0000 12585.4518 2.06% - 1s * 66 30 65 12820.000000 12608.7647 1.65% 4.9 1s * 69 25 6 12811.000000 12614.0310 1.54% 5.3 1s Cutting planes: Gomory: 6 Zero half: 12 Explored 892 nodes (5352 simplex iterations) in 2.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281100000000e+04, best bound 1.281000000000e+04, gap 0.0078% adding cut for [(33, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (12, 24), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 476 rows, 1128 columns and 118346 nonzeros Presolve time: 0.06s Presolved: 476 rows, 1128 columns, 118346 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12541.1667 2.75% - 0s 0 0 12561.0526 0 40 12896.0000 12561.0526 2.60% - 0s 0 0 12561.0526 0 41 12896.0000 12561.0526 2.60% - 0s H 0 0 12882.000000 12561.0526 2.49% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12571.5000 0 28 12882.0000 12571.5000 2.41% - 0s 0 0 12575.1570 0 48 12882.0000 12575.1570 2.38% - 0s 0 0 12577.6958 0 54 12882.0000 12577.6958 2.36% - 0s 0 0 12579.2526 0 52 12882.0000 12579.2526 2.35% - 0s 0 0 12580.3478 0 59 12882.0000 12580.3478 2.34% - 0s 0 0 12581.4766 0 53 12882.0000 12581.4766 2.33% - 0s 0 0 12582.5021 0 59 12882.0000 12582.5021 2.32% - 0s 0 0 12582.9121 0 64 12882.0000 12582.9121 2.32% - 0s 0 0 12583.9495 0 57 12882.0000 12583.9495 2.31% - 0s 0 0 12584.1713 0 65 12882.0000 12584.1713 2.31% - 0s 0 0 12585.9672 0 47 12882.0000 12585.9672 2.30% - 0s 0 0 12586.0933 0 53 12882.0000 12586.0933 2.30% - 0s 0 0 12586.4858 0 58 12882.0000 12586.4858 2.29% - 0s 0 0 12587.1741 0 55 12882.0000 12587.1741 2.29% - 0s 0 0 12587.1847 0 58 12882.0000 12587.1847 2.29% - 0s 0 0 12587.2111 0 63 12882.0000 12587.2111 2.29% - 0s 0 0 12587.2658 0 63 12882.0000 12587.2658 2.29% - 0s 0 0 12587.4173 0 71 12882.0000 12587.4173 2.29% - 0s 0 0 12588.0092 0 55 12882.0000 12588.0092 2.28% - 0s 0 0 12588.2537 0 61 12882.0000 12588.2537 2.28% - 1s 0 0 12588.2923 0 63 12882.0000 12588.2923 2.28% - 1s 0 0 12588.2988 0 66 12882.0000 12588.2988 2.28% - 1s 0 0 12588.4213 0 66 12882.0000 12588.4213 2.28% - 1s 0 0 12588.5729 0 68 12882.0000 12588.5729 2.28% - 1s 0 0 12588.6328 0 67 12882.0000 12588.6328 2.28% - 1s 0 0 12588.7581 0 72 12882.0000 12588.7581 2.28% - 1s 0 0 12589.0327 0 57 12882.0000 12589.0327 2.27% - 1s 0 0 12589.0375 0 61 12882.0000 12589.0375 2.27% - 1s 0 0 12589.1805 0 69 12882.0000 12589.1805 2.27% - 1s 0 0 12589.8154 0 65 12882.0000 12589.8154 2.27% - 1s 0 0 12590.0074 0 67 12882.0000 12590.0074 2.27% - 1s 0 0 12590.0644 0 69 12882.0000 12590.0644 2.27% - 1s 0 0 12590.0644 0 69 12882.0000 12590.0644 2.27% - 1s H 0 0 12816.000000 12590.0644 1.76% - 1s 0 2 12590.1607 0 69 12816.0000 12590.1607 1.76% - 2s * 99 37 20 12812.000000 12629.2500 1.43% 5.5 2s * 493 150 13 12811.000000 12680.8919 1.02% 5.8 2s 884 177 12711.0000 17 33 12811.0000 12711.0000 0.78% 6.9 5s Cutting planes: Gomory: 6 Zero half: 10 Explored 1669 nodes (11074 simplex iterations) in 5.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281100000000e+04, best bound 1.281100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 477 rows, 1128 columns and 118599 nonzeros Presolve time: 0.06s Presolved: 477 rows, 1128 columns, 118599 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12901.000000 12541.1667 2.79% - 0s 0 0 12561.0526 0 40 12901.0000 12561.0526 2.64% - 0s 0 0 12561.0526 0 41 12901.0000 12561.0526 2.64% - 0s 0 0 12561.0526 0 40 12901.0000 12561.0526 2.64% - 0s 0 0 12571.4167 0 42 12901.0000 12571.4167 2.55% - 0s 0 0 12573.1667 0 26 12901.0000 12573.1667 2.54% - 0s 0 0 12575.0966 0 48 12901.0000 12575.0966 2.53% - 0s 0 0 12576.4394 0 43 12901.0000 12576.4394 2.52% - 0s 0 0 12576.7105 0 59 12901.0000 12576.7105 2.51% - 0s 0 0 12577.9161 0 55 12901.0000 12577.9161 2.50% - 0s 0 0 12578.0500 0 63 12901.0000 12578.0500 2.50% - 0s 0 0 12579.2334 0 54 12901.0000 12579.2334 2.49% - 0s 0 0 12579.5572 0 62 12901.0000 12579.5572 2.49% - 0s 0 0 12580.0443 0 61 12901.0000 12580.0443 2.49% - 0s 0 0 12581.0032 0 45 12901.0000 12581.0032 2.48% - 0s 0 0 12581.1592 0 47 12901.0000 12581.1592 2.48% - 0s 0 0 12581.6210 0 53 12901.0000 12581.6210 2.48% - 0s 0 0 12582.3748 0 72 12901.0000 12582.3748 2.47% - 0s 0 0 12583.3246 0 51 12901.0000 12583.3246 2.46% - 0s 0 0 12583.4897 0 60 12901.0000 12583.4897 2.46% - 0s 0 0 12583.5471 0 66 12901.0000 12583.5471 2.46% - 0s 0 0 12583.8732 0 39 12901.0000 12583.8732 2.46% - 0s 0 0 12583.8909 0 58 12901.0000 12583.8909 2.46% - 0s 0 0 12583.8943 0 61 12901.0000 12583.8943 2.46% - 0s 0 0 12583.8972 0 67 12901.0000 12583.8972 2.46% - 0s H 0 0 12882.000000 12583.8972 2.31% - 1s H 0 0 12818.000000 12583.8972 1.83% - 1s 0 2 12583.9514 0 67 12818.0000 12583.9514 1.83% - 1s * 67 18 12 12815.000000 12601.3000 1.67% 4.6 1s * 288 98 12 12812.000000 12657.5000 1.21% 6.1 1s * 310 97 23 12811.000000 12668.2000 1.11% 6.1 1s Cutting planes: Gomory: 4 Zero half: 10 Mod-K: 1 Explored 1614 nodes (9957 simplex iterations) in 4.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281100000000e+04, best bound 1.281000000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (23, 38), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 478 rows, 1128 columns and 118789 nonzeros Presolve time: 0.06s Presolved: 478 rows, 1128 columns, 118789 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12903.000000 12541.1667 2.80% - 0s 0 0 12553.8446 0 49 12903.0000 12553.8446 2.71% - 0s 0 0 12553.8446 0 41 12903.0000 12553.8446 2.71% - 0s 0 0 12561.0526 0 40 12903.0000 12561.0526 2.65% - 0s 0 0 12571.4167 0 42 12903.0000 12571.4167 2.57% - 0s 0 0 12573.1667 0 26 12903.0000 12573.1667 2.56% - 0s 0 0 12574.7978 0 48 12903.0000 12574.7978 2.54% - 0s 0 0 12575.2941 0 56 12903.0000 12575.2941 2.54% - 0s 0 0 12576.4928 0 52 12903.0000 12576.4928 2.53% - 0s 0 0 12576.6202 0 60 12903.0000 12576.6202 2.53% - 0s 0 0 12577.8256 0 53 12903.0000 12577.8256 2.52% - 0s 0 0 12578.5636 0 61 12903.0000 12578.5636 2.51% - 0s 0 0 12579.1587 0 62 12903.0000 12579.1587 2.51% - 0s 0 0 12579.5895 0 61 12903.0000 12579.5895 2.51% - 0s 0 0 12579.8151 0 53 12903.0000 12579.8151 2.50% - 0s 0 0 12579.8382 0 68 12903.0000 12579.8382 2.50% - 0s 0 0 12579.8895 0 57 12903.0000 12579.8895 2.50% - 0s 0 0 12579.9720 0 70 12903.0000 12579.9720 2.50% - 0s 0 0 12580.7178 0 62 12903.0000 12580.7178 2.50% - 0s 0 0 12581.1578 0 63 12903.0000 12581.1578 2.49% - 0s 0 0 12581.5309 0 55 12903.0000 12581.5309 2.49% - 0s 0 0 12581.8258 0 66 12903.0000 12581.8258 2.49% - 0s 0 0 12581.9364 0 66 12903.0000 12581.9364 2.49% - 0s 0 0 12581.9679 0 67 12903.0000 12581.9679 2.49% - 0s 0 0 12582.0204 0 65 12903.0000 12582.0204 2.49% - 1s 0 0 12582.1363 0 72 12903.0000 12582.1363 2.49% - 1s 0 0 12582.2385 0 71 12903.0000 12582.2385 2.49% - 1s 0 0 12582.6415 0 71 12903.0000 12582.6415 2.48% - 1s 0 0 12583.2349 0 64 12903.0000 12583.2349 2.48% - 1s 0 0 12583.5817 0 60 12903.0000 12583.5817 2.48% - 1s 0 0 12583.6434 0 66 12903.0000 12583.6434 2.48% - 1s 0 0 12583.6877 0 60 12903.0000 12583.6877 2.47% - 1s 0 0 12583.7973 0 70 12903.0000 12583.7973 2.47% - 1s 0 0 12583.7973 0 70 12903.0000 12583.7973 2.47% - 1s H 0 0 12881.000000 12583.7973 2.31% - 1s H 0 0 12841.000000 12583.7973 2.00% - 1s 0 2 12584.2465 0 70 12841.0000 12584.2465 2.00% - 1s * 146 74 9 12813.000000 12644.0000 1.32% 6.3 2s * 188 76 11 12812.000000 12644.0625 1.31% 6.0 2s Cutting planes: Gomory: 6 Zero half: 17 Explored 789 nodes (5231 simplex iterations) in 2.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281200000000e+04, best bound 1.281200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (9, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 479 rows, 1128 columns and 119065 nonzeros Presolve time: 0.06s Presolved: 479 rows, 1128 columns, 119065 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12829.000000 12541.1667 2.24% - 0s 0 0 12553.8446 0 49 12829.0000 12553.8446 2.14% - 0s 0 0 12553.8446 0 41 12829.0000 12553.8446 2.14% - 0s 0 0 12559.4451 0 50 12829.0000 12559.4451 2.10% - 0s 0 0 12559.9377 0 46 12829.0000 12559.9377 2.10% - 0s 0 0 12561.1849 0 56 12829.0000 12561.1849 2.09% - 0s 0 0 12561.2335 0 63 12829.0000 12561.2335 2.09% - 0s 0 0 12561.5282 0 60 12829.0000 12561.5282 2.08% - 0s 0 0 12562.7121 0 64 12829.0000 12562.7121 2.08% - 0s 0 0 12563.0330 0 64 12829.0000 12563.0330 2.07% - 0s 0 0 12563.8554 0 59 12829.0000 12563.8554 2.07% - 0s 0 0 12563.9880 0 68 12829.0000 12563.9880 2.07% - 0s 0 0 12564.1970 0 61 12829.0000 12564.1970 2.06% - 0s 0 0 12564.2209 0 67 12829.0000 12564.2209 2.06% - 0s 0 0 12564.3434 0 65 12829.0000 12564.3434 2.06% - 0s 0 0 12565.1866 0 63 12829.0000 12565.1866 2.06% - 0s 0 0 12565.5215 0 71 12829.0000 12565.5215 2.05% - 0s 0 0 12566.2401 0 68 12829.0000 12566.2401 2.05% - 0s 0 0 12566.4551 0 66 12829.0000 12566.4551 2.05% - 0s 0 0 12566.7835 0 70 12829.0000 12566.7835 2.04% - 0s 0 0 12567.6578 0 65 12829.0000 12567.6578 2.04% - 0s 0 0 12567.7109 0 65 12829.0000 12567.7109 2.04% - 0s 0 0 12567.7243 0 71 12829.0000 12567.7243 2.04% - 0s 0 2 12567.7326 0 71 12829.0000 12567.7326 2.04% - 1s * 57 26 18 12822.000000 12618.7500 1.59% 6.9 1s * 106 47 21 12820.000000 12624.5000 1.52% 6.1 1s * 126 59 13 12813.000000 12636.0000 1.38% 6.2 1s * 377 84 13 12812.000000 12706.0000 0.83% 5.8 1s Cutting planes: Gomory: 4 Zero half: 15 Mod-K: 1 Explored 803 nodes (4781 simplex iterations) in 2.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281200000000e+04, best bound 1.281200000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 36), (12, 13), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 480 rows, 1128 columns and 119255 nonzeros Presolve time: 0.06s Presolved: 480 rows, 1128 columns, 119255 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12927.000000 12541.1667 2.98% - 0s 0 0 12561.0526 0 40 12927.0000 12561.0526 2.83% - 0s 0 0 12561.0526 0 41 12927.0000 12561.0526 2.83% - 0s H 0 0 12882.000000 12561.0526 2.49% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12565.4851 0 46 12882.0000 12565.4851 2.46% - 0s 0 0 12565.6493 0 54 12882.0000 12565.6493 2.46% - 0s 0 0 12569.2373 0 34 12882.0000 12569.2373 2.43% - 0s 0 0 12570.7143 0 25 12882.0000 12570.7143 2.42% - 0s 0 0 12572.3487 0 50 12882.0000 12572.3487 2.40% - 0s 0 0 12572.3795 0 62 12882.0000 12572.3795 2.40% - 0s 0 0 12572.5879 0 49 12882.0000 12572.5879 2.40% - 0s 0 0 12572.6243 0 49 12882.0000 12572.6243 2.40% - 0s H 0 0 12865.000000 12572.6243 2.27% - 0s 0 2 12572.6487 0 49 12865.0000 12572.6487 2.27% - 1s * 58 27 57 12854.000000 12590.3500 2.05% 3.7 1s * 85 43 8 12822.000000 12604.7683 1.69% 5.0 1s * 114 50 13 12819.000000 12614.6667 1.59% 5.6 1s * 145 59 14 12818.000000 12625.6774 1.50% 5.5 1s * 147 58 15 12814.000000 12625.6774 1.47% 5.4 1s * 261 88 12 12812.000000 12650.0000 1.26% 5.6 1s Cutting planes: Gomory: 5 Zero half: 5 Mod-K: 1 Explored 1005 nodes (5971 simplex iterations) in 2.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281200000000e+04, best bound 1.281200000000e+04, gap 0.0% adding cut for [(33, 46), (4, 17), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 481 rows, 1128 columns and 119465 nonzeros Presolve time: 0.06s Presolved: 481 rows, 1128 columns, 119465 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12541.1667 2.27% - 0s 0 0 12553.8446 0 49 12833.0000 12553.8446 2.18% - 0s 0 0 12553.8446 0 41 12833.0000 12553.8446 2.18% - 0s 0 0 12559.4451 0 50 12833.0000 12559.4451 2.13% - 0s 0 0 12559.9377 0 46 12833.0000 12559.9377 2.13% - 0s 0 0 12561.2004 0 56 12833.0000 12561.2004 2.12% - 0s 0 0 12561.2357 0 53 12833.0000 12561.2357 2.12% - 0s 0 0 12561.3161 0 61 12833.0000 12561.3161 2.12% - 0s 0 0 12561.9176 0 63 12833.0000 12561.9176 2.11% - 0s 0 0 12562.8759 0 59 12833.0000 12562.8759 2.10% - 0s 0 0 12563.1905 0 62 12833.0000 12563.1905 2.10% - 0s 0 0 12563.6950 0 56 12833.0000 12563.6950 2.10% - 0s 0 0 12563.8072 0 64 12833.0000 12563.8072 2.10% - 0s 0 0 12563.9651 0 66 12833.0000 12563.9651 2.10% - 0s 0 0 12564.0464 0 52 12833.0000 12564.0464 2.10% - 0s 0 0 12564.1650 0 57 12833.0000 12564.1650 2.09% - 0s 0 0 12564.2336 0 64 12833.0000 12564.2336 2.09% - 0s 0 0 12565.2648 0 67 12833.0000 12565.2648 2.09% - 0s 0 0 12565.3376 0 72 12833.0000 12565.3376 2.09% - 0s 0 0 12565.5952 0 69 12833.0000 12565.5952 2.08% - 0s 0 0 12565.9578 0 74 12833.0000 12565.9578 2.08% - 0s 0 0 12566.2982 0 71 12833.0000 12566.2982 2.08% - 0s 0 0 12566.8046 0 57 12833.0000 12566.8046 2.07% - 0s 0 0 12566.8409 0 62 12833.0000 12566.8409 2.07% - 0s 0 0 12567.0612 0 60 12833.0000 12567.0612 2.07% - 0s 0 0 12567.2730 0 67 12833.0000 12567.2730 2.07% - 0s 0 0 12567.6440 0 70 12833.0000 12567.6440 2.07% - 0s 0 0 12568.1867 0 65 12833.0000 12568.1867 2.06% - 0s 0 0 12568.2784 0 64 12833.0000 12568.2784 2.06% - 0s 0 0 12568.7231 0 61 12833.0000 12568.7231 2.06% - 0s 0 0 12568.9023 0 69 12833.0000 12568.9023 2.06% - 1s 0 0 12569.4907 0 57 12833.0000 12569.4907 2.05% - 1s 0 0 12569.5191 0 68 12833.0000 12569.5191 2.05% - 1s 0 2 12569.9404 0 68 12833.0000 12569.9404 2.05% - 1s * 138 68 30 12820.000000 12624.5000 1.52% 5.8 1s * 164 78 15 12814.000000 12624.9053 1.48% 6.0 1s * 370 118 19 12812.000000 12687.5000 0.97% 6.2 2s Cutting planes: Gomory: 4 Zero half: 16 Mod-K: 1 Explored 919 nodes (5726 simplex iterations) in 2.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281200000000e+04, best bound 1.281100000000e+04, gap 0.0078% adding cut for [(4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (9, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 482 rows, 1128 columns and 119696 nonzeros Presolve time: 0.06s Presolved: 482 rows, 1128 columns, 119696 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12888.000000 12541.1667 2.69% - 0s 0 0 12553.8446 0 49 12888.0000 12553.8446 2.59% - 0s 0 0 12553.8446 0 41 12888.0000 12553.8446 2.59% - 0s H 0 0 12882.000000 12553.8446 2.55% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12562.5409 0 50 12882.0000 12562.5409 2.48% - 0s 0 0 12571.5714 0 29 12882.0000 12571.5714 2.41% - 0s 0 0 12572.3571 0 28 12882.0000 12572.3571 2.40% - 0s 0 0 12572.5667 0 35 12882.0000 12572.5667 2.40% - 0s 0 0 12572.5887 0 58 12882.0000 12572.5887 2.40% - 0s 0 0 12573.0838 0 51 12882.0000 12573.0838 2.40% - 0s 0 0 12573.1274 0 63 12882.0000 12573.1274 2.40% - 0s 0 0 12575.1125 0 31 12882.0000 12575.1125 2.38% - 0s 0 0 12575.2148 0 55 12882.0000 12575.2148 2.38% - 0s 0 0 12575.2540 0 63 12882.0000 12575.2540 2.38% - 0s 0 0 12575.3250 0 65 12882.0000 12575.3250 2.38% - 0s 0 0 12576.1419 0 61 12882.0000 12576.1419 2.37% - 0s 0 0 12576.1712 0 69 12882.0000 12576.1712 2.37% - 0s 0 0 12576.3404 0 46 12882.0000 12576.3404 2.37% - 0s 0 0 12576.4349 0 55 12882.0000 12576.4349 2.37% - 0s H 0 0 12843.000000 12576.4349 2.08% - 1s 0 2 12576.5500 0 55 12843.0000 12576.5500 2.07% - 1s H 55 24 12824.000000 12621.3542 1.58% 6.5 1s * 82 38 35 12823.000000 12621.3542 1.57% 5.9 1s * 107 49 26 12819.000000 12624.5000 1.52% 6.0 1s * 212 107 10 12814.000000 12635.5741 1.39% 5.5 1s * 317 113 8 12812.000000 12652.0000 1.25% 5.7 1s Cutting planes: Gomory: 4 Zero half: 5 Explored 1477 nodes (8667 simplex iterations) in 4.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281200000000e+04, best bound 1.281100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (16, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 483 rows, 1128 columns and 119996 nonzeros Presolve time: 0.06s Presolved: 483 rows, 1128 columns, 119996 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12895.000000 12541.1667 2.74% - 0s 0 0 12561.0526 0 40 12895.0000 12561.0526 2.59% - 0s 0 0 12561.0526 0 41 12895.0000 12561.0526 2.59% - 0s 0 0 12561.0965 0 48 12895.0000 12561.0965 2.59% - 0s 0 0 12561.5583 0 56 12895.0000 12561.5583 2.59% - 0s 0 0 12561.7224 0 55 12895.0000 12561.7224 2.58% - 0s 0 0 12561.8835 0 63 12895.0000 12561.8835 2.58% - 0s 0 0 12562.5108 0 55 12895.0000 12562.5108 2.58% - 0s 0 0 12563.1071 0 45 12895.0000 12563.1071 2.57% - 0s 0 0 12563.2137 0 53 12895.0000 12563.2137 2.57% - 0s 0 0 12563.4471 0 54 12895.0000 12563.4471 2.57% - 0s 0 0 12563.5086 0 62 12895.0000 12563.5086 2.57% - 0s 0 0 12564.0658 0 55 12895.0000 12564.0658 2.57% - 0s 0 0 12564.1414 0 63 12895.0000 12564.1414 2.57% - 0s 0 0 12564.3096 0 58 12895.0000 12564.3096 2.56% - 0s 0 0 12564.3765 0 69 12895.0000 12564.3765 2.56% - 0s 0 0 12565.1341 0 59 12895.0000 12565.1341 2.56% - 0s 0 0 12565.2560 0 67 12895.0000 12565.2560 2.56% - 0s 0 0 12565.4047 0 70 12895.0000 12565.4047 2.56% - 0s 0 0 12565.6299 0 48 12895.0000 12565.6299 2.55% - 0s 0 0 12565.7438 0 61 12895.0000 12565.7438 2.55% - 0s 0 0 12565.8745 0 66 12895.0000 12565.8745 2.55% - 0s 0 0 12566.0192 0 66 12895.0000 12566.0192 2.55% - 0s 0 0 12566.6579 0 59 12895.0000 12566.6579 2.55% - 0s 0 0 12566.7229 0 68 12895.0000 12566.7229 2.55% - 0s H 0 0 12882.000000 12566.7229 2.45% - 1s H 0 0 12870.000000 12566.7229 2.36% - 1s H 0 0 12843.000000 12566.7229 2.15% - 1s 0 2 12566.7338 0 68 12843.0000 12566.7338 2.15% - 1s H 27 15 12827.000000 12577.5000 1.95% 8.4 1s * 133 74 34 12820.000000 12641.2308 1.39% 5.9 1s * 221 102 20 12812.000000 12659.1000 1.19% 6.3 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 1010 nodes (5782 simplex iterations) in 2.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281200000000e+04, best bound 1.281200000000e+04, gap 0.0% adding cut for [(33, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 484 rows, 1128 columns and 120167 nonzeros Presolve time: 0.06s Presolved: 484 rows, 1128 columns, 120167 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12541.1667 2.75% - 0s 0 0 12561.0526 0 40 12896.0000 12561.0526 2.60% - 0s 0 0 12561.0526 0 41 12896.0000 12561.0526 2.60% - 0s H 0 0 12882.000000 12561.0526 2.49% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12561.1773 0 48 12882.0000 12561.1773 2.49% - 0s 0 0 12571.5877 0 36 12882.0000 12571.5877 2.41% - 0s 0 0 12572.5000 0 25 12882.0000 12572.5000 2.40% - 0s 0 0 12573.0000 0 26 12882.0000 12573.0000 2.40% - 0s 0 0 12573.5940 0 53 12882.0000 12573.5940 2.39% - 0s 0 0 12574.3167 0 46 12882.0000 12574.3167 2.39% - 0s 0 0 12574.3436 0 53 12882.0000 12574.3436 2.39% - 0s 0 0 12574.4882 0 41 12882.0000 12574.4882 2.39% - 0s 0 0 12574.5940 0 58 12882.0000 12574.5940 2.39% - 0s 0 0 12574.5957 0 63 12882.0000 12574.5957 2.39% - 0s 0 0 12574.9465 0 64 12882.0000 12574.9465 2.38% - 0s 0 0 12575.8114 0 64 12882.0000 12575.8114 2.38% - 0s 0 0 12576.1401 0 65 12882.0000 12576.1401 2.37% - 0s 0 0 12576.3822 0 65 12882.0000 12576.3822 2.37% - 0s 0 0 12576.4963 0 67 12882.0000 12576.4963 2.37% - 0s 0 0 12576.6104 0 64 12882.0000 12576.6104 2.37% - 0s 0 0 12576.7767 0 68 12882.0000 12576.7767 2.37% - 0s 0 0 12576.8031 0 72 12882.0000 12576.8031 2.37% - 1s H 0 0 12818.000000 12576.8031 1.88% - 1s 0 2 12577.6056 0 72 12818.0000 12577.6056 1.88% - 1s * 23 16 21 12816.000000 12613.0000 1.58% 9.0 1s * 174 82 16 12812.000000 12644.3750 1.31% 5.9 1s Cutting planes: Gomory: 7 Zero half: 16 Explored 858 nodes (5315 simplex iterations) in 2.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281200000000e+04, best bound 1.281200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 485 rows, 1128 columns and 120467 nonzeros Presolve time: 0.07s Presolved: 485 rows, 1128 columns, 120467 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12862.000000 12541.1667 2.49% - 0s 0 0 12553.8446 0 49 12862.0000 12553.8446 2.40% - 0s 0 0 12553.8446 0 41 12862.0000 12553.8446 2.40% - 0s 0 0 12561.0526 0 40 12862.0000 12561.0526 2.34% - 0s H 0 0 12853.000000 12561.0526 2.27% - 0s 0 0 12561.1603 0 48 12853.0000 12561.1603 2.27% - 0s 0 0 12569.0000 0 27 12853.0000 12569.0000 2.21% - 0s 0 0 12571.6082 0 49 12853.0000 12571.6082 2.19% - 0s 0 0 12571.7083 0 49 12853.0000 12571.7083 2.19% - 0s 0 0 12571.7500 0 28 12853.0000 12571.7500 2.19% - 0s 0 0 12571.7857 0 57 12853.0000 12571.7857 2.19% - 0s H 0 0 12824.000000 12571.7857 1.97% - 0s 0 2 12571.8810 0 57 12824.0000 12571.8810 1.97% - 0s * 35 12 33 12822.000000 12618.6250 1.59% 5.4 1s * 161 71 9 12819.000000 12638.1200 1.41% 4.9 1s * 165 71 11 12813.000000 12638.1200 1.36% 4.9 1s * 1076 96 16 12812.000000 12716.0000 0.75% 5.5 3s Cutting planes: Gomory: 3 Zero half: 3 Explored 1331 nodes (7432 simplex iterations) in 3.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281200000000e+04, best bound 1.281100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 33), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 486 rows, 1128 columns and 120792 nonzeros Presolve time: 0.07s Presolved: 486 rows, 1128 columns, 120792 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12859.000000 12541.1667 2.47% - 0s 0 0 12553.8446 0 49 12859.0000 12553.8446 2.37% - 0s 0 0 12553.8446 0 41 12859.0000 12553.8446 2.37% - 0s 0 0 12561.0526 0 40 12859.0000 12561.0526 2.32% - 0s 0 0 12565.4851 0 46 12859.0000 12565.4851 2.28% - 0s H 0 0 12850.000000 12565.4851 2.21% - 0s 0 0 12565.6493 0 54 12850.0000 12565.6493 2.21% - 0s 0 0 12568.2048 0 34 12850.0000 12568.2048 2.19% - 0s 0 0 12572.1830 0 55 12850.0000 12572.1830 2.16% - 0s 0 0 12572.2928 0 41 12850.0000 12572.2928 2.16% - 0s 0 0 12572.3397 0 58 12850.0000 12572.3397 2.16% - 0s 0 0 12572.4876 0 54 12850.0000 12572.4876 2.16% - 0s 0 2 12572.8963 0 54 12850.0000 12572.8963 2.16% - 0s * 91 44 34 12849.000000 12598.4761 1.95% 4.5 1s * 112 52 18 12841.000000 12607.8571 1.82% 4.6 1s * 129 66 17 12822.000000 12624.5000 1.54% 4.8 1s * 162 88 23 12821.000000 12624.6667 1.53% 4.7 1s * 202 102 12 12817.000000 12634.6667 1.42% 5.1 1s * 359 139 15 12816.000000 12677.0000 1.08% 5.4 1s * 681 132 14 12815.000000 12716.0000 0.77% 5.8 1s * 711 125 8 12814.000000 12725.5000 0.69% 5.9 1s * 724 126 11 12813.000000 12725.5000 0.68% 5.8 1s Cutting planes: Gomory: 5 Zero half: 6 Explored 953 nodes (5673 simplex iterations) in 2.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281300000000e+04, best bound 1.281200000000e+04, gap 0.0078% adding cut for [(36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 487 rows, 1128 columns and 120883 nonzeros Presolve time: 0.07s Presolved: 487 rows, 1128 columns, 120883 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12541.1667 2.27% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 41 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0729 0 48 12833.0000 12561.0729 2.12% - 0s 0 0 12561.5628 0 56 12833.0000 12561.5628 2.12% - 0s 0 0 12561.7050 0 53 12833.0000 12561.7050 2.11% - 0s 0 0 12561.8871 0 63 12833.0000 12561.8871 2.11% - 0s 0 0 12562.9444 0 44 12833.0000 12562.9444 2.10% - 0s 0 0 12563.0862 0 53 12833.0000 12563.0862 2.10% - 0s 0 0 12563.2309 0 53 12833.0000 12563.2309 2.10% - 0s 0 0 12563.2884 0 60 12833.0000 12563.2884 2.10% - 0s 0 0 12563.6054 0 61 12833.0000 12563.6054 2.10% - 0s 0 0 12564.0542 0 46 12833.0000 12564.0542 2.10% - 0s 0 0 12564.2323 0 49 12833.0000 12564.2323 2.09% - 0s 0 0 12564.4028 0 57 12833.0000 12564.4028 2.09% - 0s 0 0 12564.4560 0 65 12833.0000 12564.4560 2.09% - 0s 0 0 12564.9137 0 62 12833.0000 12564.9137 2.09% - 0s 0 0 12564.9424 0 67 12833.0000 12564.9424 2.09% - 0s 0 0 12565.0187 0 70 12833.0000 12565.0187 2.09% - 0s 0 0 12565.0702 0 70 12833.0000 12565.0702 2.09% - 0s 0 0 12565.7877 0 66 12833.0000 12565.7877 2.08% - 0s 0 0 12565.9994 0 65 12833.0000 12565.9994 2.08% - 0s 0 0 12566.1132 0 69 12833.0000 12566.1132 2.08% - 0s 0 0 12566.2989 0 66 12833.0000 12566.2989 2.08% - 0s 0 0 12566.9589 0 63 12833.0000 12566.9589 2.07% - 0s 0 0 12566.9878 0 73 12833.0000 12566.9878 2.07% - 0s 0 0 12567.3135 0 62 12833.0000 12567.3135 2.07% - 0s 0 0 12567.3858 0 65 12833.0000 12567.3858 2.07% - 0s 0 0 12567.3869 0 72 12833.0000 12567.3869 2.07% - 0s 0 0 12567.4956 0 70 12833.0000 12567.4956 2.07% - 1s 0 0 12567.4956 0 70 12833.0000 12567.4956 2.07% - 1s 0 2 12567.5421 0 70 12833.0000 12567.5421 2.07% - 1s * 85 49 16 12832.000000 12620.1667 1.65% 7.6 1s * 162 91 19 12821.000000 12624.5000 1.53% 6.4 1s * 196 111 30 12820.000000 12633.4306 1.46% 6.1 2s * 205 109 11 12815.000000 12636.0000 1.40% 6.2 2s * 398 136 18 12813.000000 12682.8385 1.02% 6.0 2s Cutting planes: Gomory: 3 Zero half: 13 Mod-K: 1 Explored 993 nodes (5973 simplex iterations) in 2.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281300000000e+04, best bound 1.281200000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (12, 21), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 488 rows, 1128 columns and 121114 nonzeros Presolve time: 0.07s Presolved: 488 rows, 1128 columns, 121114 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12541.1667 2.27% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 41 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0729 0 48 12833.0000 12561.0729 2.12% - 0s 0 0 12561.6098 0 56 12833.0000 12561.6098 2.11% - 0s 0 0 12561.7196 0 55 12833.0000 12561.7196 2.11% - 0s 0 0 12561.8306 0 63 12833.0000 12561.8306 2.11% - 0s 0 0 12562.2500 0 39 12833.0000 12562.2500 2.11% - 0s 0 0 12562.9552 0 44 12833.0000 12562.9552 2.10% - 0s 0 0 12563.3333 0 53 12833.0000 12563.3333 2.10% - 0s 0 0 12563.4346 0 54 12833.0000 12563.4346 2.10% - 0s 0 0 12563.5146 0 61 12833.0000 12563.5146 2.10% - 0s 0 0 12563.9658 0 60 12833.0000 12563.9658 2.10% - 0s 0 0 12564.1219 0 65 12833.0000 12564.1219 2.10% - 0s 0 0 12564.4181 0 65 12833.0000 12564.4181 2.09% - 0s 0 0 12564.8405 0 54 12833.0000 12564.8405 2.09% - 0s 0 0 12565.1431 0 61 12833.0000 12565.1431 2.09% - 0s 0 0 12565.1533 0 66 12833.0000 12565.1533 2.09% - 0s 0 0 12565.9958 0 61 12833.0000 12565.9958 2.08% - 0s 0 0 12566.1941 0 66 12833.0000 12566.1941 2.08% - 0s 0 0 12566.5368 0 77 12833.0000 12566.5368 2.08% - 0s 0 0 12567.1227 0 59 12833.0000 12567.1227 2.07% - 0s 0 0 12567.2075 0 72 12833.0000 12567.2075 2.07% - 0s 0 0 12567.3538 0 71 12833.0000 12567.3538 2.07% - 0s 0 0 12567.6278 0 65 12833.0000 12567.6278 2.07% - 0s 0 0 12567.8811 0 68 12833.0000 12567.8811 2.07% - 0s 0 0 12568.0689 0 65 12833.0000 12568.0689 2.06% - 0s 0 0 12568.1616 0 69 12833.0000 12568.1616 2.06% - 0s 0 0 12568.2150 0 69 12833.0000 12568.2150 2.06% - 1s 0 0 12568.2150 0 69 12833.0000 12568.2150 2.06% - 1s 0 2 12568.5303 0 69 12833.0000 12568.5303 2.06% - 1s * 84 41 13 12822.000000 12608.4000 1.67% 6.7 1s * 193 85 15 12817.000000 12638.3542 1.39% 6.1 1s * 229 94 17 12815.000000 12642.0000 1.35% 5.7 1s * 957 122 16 12814.000000 12736.2857 0.61% 5.6 2s Cutting planes: Gomory: 5 Zero half: 11 Mod-K: 2 Explored 1252 nodes (7162 simplex iterations) in 2.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281400000000e+04, best bound 1.281400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 489 rows, 1128 columns and 121367 nonzeros Presolve time: 0.07s Presolved: 489 rows, 1128 columns, 121367 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12916.000000 12541.1667 2.90% - 0s 0 0 12561.0526 0 40 12916.0000 12561.0526 2.75% - 0s 0 0 12561.0526 0 41 12916.0000 12561.0526 2.75% - 0s 0 0 12561.0526 0 40 12916.0000 12561.0526 2.75% - 0s 0 0 12561.1773 0 48 12916.0000 12561.1773 2.75% - 0s 0 0 12568.4454 0 42 12916.0000 12568.4454 2.69% - 0s 0 0 12573.3333 0 51 12916.0000 12573.3333 2.65% - 0s 0 0 12575.0839 0 49 12916.0000 12575.0839 2.64% - 0s 0 0 12575.2664 0 57 12916.0000 12575.2664 2.64% - 0s 0 0 12575.6036 0 57 12916.0000 12575.6036 2.64% - 0s 0 0 12576.2105 0 53 12916.0000 12576.2105 2.63% - 0s 0 0 12576.3669 0 61 12916.0000 12576.3669 2.63% - 0s 0 0 12576.6000 0 65 12916.0000 12576.6000 2.63% - 0s 0 0 12577.5153 0 59 12916.0000 12577.5153 2.62% - 0s 0 0 12577.7247 0 66 12916.0000 12577.7247 2.62% - 0s 0 0 12578.0457 0 66 12916.0000 12578.0457 2.62% - 0s 0 0 12578.1335 0 69 12916.0000 12578.1335 2.62% - 0s 0 0 12578.2301 0 70 12916.0000 12578.2301 2.62% - 0s 0 0 12578.5215 0 72 12916.0000 12578.5215 2.61% - 0s 0 0 12578.6399 0 65 12916.0000 12578.6399 2.61% - 0s 0 0 12578.7669 0 66 12916.0000 12578.7669 2.61% - 0s 0 0 12579.1320 0 70 12916.0000 12579.1320 2.61% - 0s H 0 0 12882.000000 12579.1320 2.35% - 1s H 0 0 12844.000000 12579.1320 2.06% - 1s 0 2 12579.1698 0 70 12844.0000 12579.1698 2.06% - 1s * 107 57 24 12817.000000 12626.0000 1.49% 7.0 1s * 565 163 9 12816.000000 12695.0000 0.94% 6.6 2s * 873 182 26 12815.000000 12716.0000 0.77% 7.0 4s 1372 101 12806.5000 25 14 12815.0000 12719.5000 0.75% 6.5 5s * 1482 79 23 12814.000000 12738.0000 0.59% 6.4 5s Cutting planes: Gomory: 4 Zero half: 8 Explored 1689 nodes (10722 simplex iterations) in 5.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281400000000e+04, best bound 1.281300000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 490 rows, 1128 columns and 121620 nonzeros Presolve time: 0.07s Presolved: 490 rows, 1128 columns, 121620 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12916.000000 12541.1667 2.90% - 0s 0 0 12561.0526 0 40 12916.0000 12561.0526 2.75% - 0s 0 0 12561.0526 0 41 12916.0000 12561.0526 2.75% - 0s 0 0 12561.1090 0 48 12916.0000 12561.1090 2.75% - 0s 0 0 12561.6484 0 56 12916.0000 12561.6484 2.74% - 0s 0 0 12561.7811 0 53 12916.0000 12561.7811 2.74% - 0s 0 0 12561.8845 0 61 12916.0000 12561.8845 2.74% - 0s 0 0 12562.4924 0 44 12916.0000 12562.4924 2.74% - 0s 0 0 12563.0446 0 53 12916.0000 12563.0446 2.73% - 0s 0 0 12563.2302 0 53 12916.0000 12563.2302 2.73% - 0s 0 0 12563.3434 0 61 12916.0000 12563.3434 2.73% - 0s 0 0 12563.6587 0 64 12916.0000 12563.6587 2.73% - 0s 0 0 12564.1694 0 54 12916.0000 12564.1694 2.72% - 0s 0 0 12564.3274 0 57 12916.0000 12564.3274 2.72% - 0s 0 0 12564.3668 0 67 12916.0000 12564.3668 2.72% - 0s 0 0 12564.6449 0 65 12916.0000 12564.6449 2.72% - 0s 0 0 12564.9029 0 69 12916.0000 12564.9029 2.72% - 0s 0 0 12565.8659 0 58 12916.0000 12565.8659 2.71% - 0s 0 0 12566.0490 0 63 12916.0000 12566.0490 2.71% - 0s 0 0 12566.1853 0 70 12916.0000 12566.1853 2.71% - 0s 0 0 12566.5235 0 67 12916.0000 12566.5235 2.71% - 0s 0 0 12566.7591 0 74 12916.0000 12566.7591 2.70% - 0s 0 0 12567.0565 0 68 12916.0000 12567.0565 2.70% - 0s 0 0 12567.2151 0 72 12916.0000 12567.2151 2.70% - 0s 0 0 12567.2896 0 62 12916.0000 12567.2896 2.70% - 0s 0 0 12567.3918 0 75 12916.0000 12567.3918 2.70% - 0s 0 0 12568.1184 0 60 12916.0000 12568.1184 2.69% - 1s 0 0 12568.2577 0 62 12916.0000 12568.2577 2.69% - 1s H 0 0 12882.000000 12568.2577 2.44% - 1s H 0 0 12865.000000 12568.2577 2.31% - 1s 0 2 12568.2668 0 62 12865.0000 12568.2668 2.31% - 1s * 51 32 47 12839.000000 12608.6667 1.79% 6.4 1s H 54 29 12822.000000 12608.6667 1.66% 6.1 1s * 135 66 22 12820.000000 12626.7812 1.51% 5.6 2s H 464 133 12816.000000 12687.5385 1.00% 5.6 2s * 581 133 11 12815.000000 12701.0000 0.89% 5.8 2s Cutting planes: Gomory: 2 Zero half: 16 Explored 1074 nodes (6848 simplex iterations) in 3.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281500000000e+04, best bound 1.281500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 24), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 491 rows, 1128 columns and 121851 nonzeros Presolve time: 0.07s Presolved: 491 rows, 1128 columns, 121851 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12825.000000 12541.1667 2.21% - 0s 0 0 12561.0526 0 40 12825.0000 12561.0526 2.06% - 0s 0 0 12561.0526 0 41 12825.0000 12561.0526 2.06% - 0s 0 0 12561.0526 0 40 12825.0000 12561.0526 2.06% - 0s H 0 0 12816.000000 12561.0526 1.99% - 0s 0 0 12566.8688 0 37 12816.0000 12566.8688 1.94% - 0s 0 0 12568.8114 0 46 12816.0000 12568.8114 1.93% - 0s 0 0 12571.7273 0 49 12816.0000 12571.7273 1.91% - 0s 0 0 12571.7443 0 50 12816.0000 12571.7443 1.91% - 0s 0 0 12571.8263 0 58 12816.0000 12571.8263 1.91% - 0s 0 0 12572.0000 0 27 12816.0000 12572.0000 1.90% - 0s 0 0 12572.3491 0 54 12816.0000 12572.3491 1.90% - 0s 0 0 12572.3913 0 63 12816.0000 12572.3913 1.90% - 0s 0 0 12572.7353 0 62 12816.0000 12572.7353 1.90% - 0s 0 0 12572.8744 0 46 12816.0000 12572.8744 1.90% - 0s 0 0 12573.1089 0 57 12816.0000 12573.1089 1.90% - 0s 0 0 12573.1219 0 58 12816.0000 12573.1219 1.90% - 0s 0 0 12573.2293 0 64 12816.0000 12573.2293 1.89% - 0s 0 0 12573.2760 0 50 12816.0000 12573.2760 1.89% - 0s 0 0 12573.4041 0 65 12816.0000 12573.4041 1.89% - 0s 0 0 12573.4229 0 64 12816.0000 12573.4229 1.89% - 0s 0 0 12573.6686 0 68 12816.0000 12573.6686 1.89% - 0s 0 0 12573.9132 0 59 12816.0000 12573.9132 1.89% - 0s 0 0 12573.9517 0 70 12816.0000 12573.9517 1.89% - 0s 0 0 12574.2183 0 56 12816.0000 12574.2183 1.89% - 0s 0 0 12574.2538 0 64 12816.0000 12574.2538 1.89% - 0s 0 0 12574.8515 0 59 12816.0000 12574.8515 1.88% - 0s 0 0 12575.0041 0 66 12816.0000 12575.0041 1.88% - 1s 0 0 12575.2525 0 63 12816.0000 12575.2525 1.88% - 1s 0 2 12575.5985 0 63 12816.0000 12575.5985 1.88% - 1s * 811 49 8 12815.000000 12770.0000 0.35% 5.9 2s Cutting planes: Gomory: 3 Zero half: 10 Explored 875 nodes (5520 simplex iterations) in 2.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281500000000e+04, best bound 1.281500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 492 rows, 1128 columns and 122104 nonzeros Presolve time: 0.07s Presolved: 492 rows, 1128 columns, 122104 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12880.000000 12541.1667 2.63% - 0s 0 0 12561.0526 0 40 12880.0000 12561.0526 2.48% - 0s 0 0 12561.0526 0 41 12880.0000 12561.0526 2.48% - 0s 0 0 12561.0526 0 40 12880.0000 12561.0526 2.48% - 0s 0 0 12571.5723 0 51 12880.0000 12571.5723 2.39% - 0s 0 0 12572.2862 0 49 12880.0000 12572.2862 2.39% - 0s 0 0 12573.5679 0 47 12880.0000 12573.5679 2.38% - 0s 0 0 12574.6957 0 35 12880.0000 12574.6957 2.37% - 0s 0 0 12575.3555 0 54 12880.0000 12575.3555 2.37% - 0s 0 0 12575.5698 0 32 12880.0000 12575.5698 2.36% - 0s 0 0 12575.6152 0 50 12880.0000 12575.6152 2.36% - 0s 0 0 12575.7495 0 54 12880.0000 12575.7495 2.36% - 0s 0 0 12575.7948 0 61 12880.0000 12575.7948 2.36% - 0s 0 0 12577.2183 0 60 12880.0000 12577.2183 2.35% - 0s 0 0 12577.8371 0 48 12880.0000 12577.8371 2.35% - 0s H 0 0 12841.000000 12577.8371 2.05% - 1s 0 2 12578.0942 0 48 12841.0000 12578.0942 2.05% - 1s * 136 73 19 12832.000000 12615.9643 1.68% 5.4 1s * 176 87 27 12824.000000 12617.1136 1.61% 5.5 1s * 251 103 14 12820.000000 12637.2000 1.43% 5.4 1s * 447 181 27 12816.000000 12665.5000 1.17% 5.7 1s Cutting planes: Gomory: 5 Zero half: 5 Explored 1512 nodes (9560 simplex iterations) in 4.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281600000000e+04, best bound 1.281600000000e+04, gap 0.0% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 493 rows, 1128 columns and 122380 nonzeros Presolve time: 0.07s Presolved: 493 rows, 1128 columns, 122380 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12866.000000 12541.1667 2.52% - 0s 0 0 12561.0526 0 40 12866.0000 12561.0526 2.37% - 0s 0 0 12561.0526 0 41 12866.0000 12561.0526 2.37% - 0s 0 0 12561.0526 0 40 12866.0000 12561.0526 2.37% - 0s H 0 0 12857.000000 12561.0526 2.30% - 0s 0 0 12567.0049 0 48 12857.0000 12567.0049 2.26% - 0s 0 0 12572.2174 0 36 12857.0000 12572.2174 2.22% - 0s 0 0 12573.3390 0 61 12857.0000 12573.3390 2.21% - 0s 0 0 12574.2535 0 49 12857.0000 12574.2535 2.20% - 0s 0 0 12574.5971 0 53 12857.0000 12574.5971 2.20% - 0s 0 0 12574.7048 0 54 12857.0000 12574.7048 2.20% - 0s 0 0 12574.7889 0 64 12857.0000 12574.7889 2.19% - 0s 0 0 12575.6687 0 60 12857.0000 12575.6687 2.19% - 0s 0 0 12575.7041 0 70 12857.0000 12575.7041 2.19% - 0s 0 0 12576.7255 0 54 12857.0000 12576.7255 2.18% - 0s H 0 0 12828.000000 12576.7255 1.96% - 1s 0 2 12576.8562 0 54 12828.0000 12576.8562 1.96% - 1s H 41 17 12818.000000 12607.2500 1.64% 5.2 1s * 343 120 8 12817.000000 12681.0556 1.06% 6.0 1s * 547 142 15 12816.000000 12699.5357 0.91% 6.1 1s Cutting planes: Gomory: 5 Zero half: 13 Explored 1125 nodes (7004 simplex iterations) in 2.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281600000000e+04, best bound 1.281600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 36), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 494 rows, 1128 columns and 122611 nonzeros Presolve time: 0.07s Presolved: 494 rows, 1128 columns, 122611 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12927.000000 12541.1667 2.98% - 0s 0 0 12561.0526 0 40 12927.0000 12561.0526 2.83% - 0s 0 0 12561.0526 0 41 12927.0000 12561.0526 2.83% - 0s H 0 0 12882.000000 12561.0526 2.49% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12562.5439 0 50 12882.0000 12562.5439 2.48% - 0s 0 0 12571.5707 0 46 12882.0000 12571.5707 2.41% - 0s 0 0 12571.6639 0 57 12882.0000 12571.6639 2.41% - 0s 0 0 12572.0218 0 46 12882.0000 12572.0218 2.41% - 0s 0 0 12572.3065 0 54 12882.0000 12572.3065 2.40% - 0s 0 0 12572.9152 0 48 12882.0000 12572.9152 2.40% - 0s 0 0 12572.9814 0 53 12882.0000 12572.9814 2.40% - 0s 0 0 12573.0429 0 62 12882.0000 12573.0429 2.40% - 0s 0 0 12573.5238 0 56 12882.0000 12573.5238 2.39% - 0s 0 0 12574.4431 0 61 12882.0000 12574.4431 2.39% - 0s 0 0 12574.7085 0 61 12882.0000 12574.7085 2.39% - 0s 0 0 12574.8784 0 63 12882.0000 12574.8784 2.38% - 0s 0 0 12575.1495 0 65 12882.0000 12575.1495 2.38% - 0s 0 0 12576.4739 0 64 12882.0000 12576.4739 2.37% - 0s 0 0 12577.0000 0 27 12882.0000 12577.0000 2.37% - 0s 0 0 12577.1971 0 61 12882.0000 12577.1971 2.37% - 0s 0 0 12577.2813 0 66 12882.0000 12577.2813 2.37% - 0s H 0 0 12875.000000 12577.2813 2.31% - 1s H 0 0 12855.000000 12577.2813 2.16% - 1s 0 2 12577.7761 0 66 12855.0000 12577.7761 2.16% - 1s H 27 18 12850.000000 12600.4388 1.94% 6.6 1s * 57 26 55 12820.000000 12600.4388 1.71% 4.7 1s * 292 109 6 12819.000000 12661.2000 1.23% 5.7 2s * 390 121 13 12817.000000 12684.0000 1.04% 6.0 2s * 489 129 13 12816.000000 12694.8214 0.95% 5.9 2s 1578 91 12779.0000 24 10 12816.0000 12749.0000 0.52% 6.4 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1765 nodes (11478 simplex iterations) in 5.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281600000000e+04, best bound 1.281500000000e+04, gap 0.0078% adding cut for [(4, 10), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 495 rows, 1128 columns and 122864 nonzeros Presolve time: 0.07s Presolved: 495 rows, 1128 columns, 122864 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12866.000000 12541.1667 2.52% - 0s 0 0 12561.0526 0 40 12866.0000 12561.0526 2.37% - 0s 0 0 12561.0526 0 41 12866.0000 12561.0526 2.37% - 0s 0 0 12561.0526 0 40 12866.0000 12561.0526 2.37% - 0s 0 0 12567.0049 0 48 12866.0000 12567.0049 2.32% - 0s 0 0 12572.2174 0 36 12866.0000 12572.2174 2.28% - 0s 0 0 12573.3390 0 61 12866.0000 12573.3390 2.27% - 0s 0 0 12574.7692 0 46 12866.0000 12574.7692 2.26% - 0s 0 0 12574.8278 0 54 12866.0000 12574.8278 2.26% - 0s 0 0 12574.9092 0 54 12866.0000 12574.9092 2.26% - 0s 0 0 12574.9825 0 64 12866.0000 12574.9825 2.26% - 0s 0 0 12575.5601 0 60 12866.0000 12575.5601 2.26% - 0s 0 0 12575.6011 0 65 12866.0000 12575.6011 2.26% - 0s 0 0 12575.6420 0 61 12866.0000 12575.6420 2.26% - 0s 0 0 12575.6628 0 69 12866.0000 12575.6628 2.26% - 0s 0 0 12575.9519 0 70 12866.0000 12575.9519 2.25% - 0s 0 0 12576.4810 0 65 12866.0000 12576.4810 2.25% - 0s 0 0 12576.6141 0 71 12866.0000 12576.6141 2.25% - 0s 0 0 12576.8627 0 69 12866.0000 12576.8627 2.25% - 0s 0 0 12576.9322 0 71 12866.0000 12576.9322 2.25% - 0s 0 0 12577.2090 0 70 12866.0000 12577.2090 2.24% - 0s 0 0 12577.2407 0 76 12866.0000 12577.2407 2.24% - 0s 0 0 12577.6374 0 66 12866.0000 12577.6374 2.24% - 1s 0 0 12577.8104 0 71 12866.0000 12577.8104 2.24% - 1s H 0 0 12828.000000 12577.8104 1.95% - 1s 0 0 12578.0900 0 60 12828.0000 12578.0900 1.95% - 1s 0 0 12578.7619 0 65 12828.0000 12578.7619 1.94% - 1s 0 2 12578.7847 0 65 12828.0000 12578.7847 1.94% - 1s H 54 18 12817.000000 12618.3231 1.55% 6.0 1s * 597 120 17 12816.000000 12718.1304 0.76% 6.1 2s Cutting planes: Gomory: 5 Zero half: 16 Mod-K: 1 Explored 934 nodes (5793 simplex iterations) in 2.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281600000000e+04, best bound 1.281600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 24), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 496 rows, 1128 columns and 123117 nonzeros Presolve time: 0.07s Presolved: 496 rows, 1128 columns, 123117 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12825.000000 12541.1667 2.21% - 0s 0 0 12561.0526 0 40 12825.0000 12561.0526 2.06% - 0s 0 0 12561.0526 0 41 12825.0000 12561.0526 2.06% - 0s 0 0 12561.0526 0 40 12825.0000 12561.0526 2.06% - 0s 0 0 12561.1603 0 48 12825.0000 12561.1603 2.06% - 0s 0 0 12571.7805 0 49 12825.0000 12571.7805 1.97% - 0s 0 0 12571.8651 0 40 12825.0000 12571.8651 1.97% - 0s 0 0 12571.8879 0 58 12825.0000 12571.8879 1.97% - 0s 0 0 12571.9509 0 58 12825.0000 12571.9509 1.97% - 0s 0 0 12572.1806 0 55 12825.0000 12572.1806 1.97% - 0s 0 0 12572.1882 0 63 12825.0000 12572.1882 1.97% - 0s 0 0 12572.6403 0 56 12825.0000 12572.6403 1.97% - 0s 0 0 12572.6505 0 45 12825.0000 12572.6505 1.97% - 0s 0 0 12572.7196 0 63 12825.0000 12572.7196 1.97% - 0s 0 0 12572.7980 0 62 12825.0000 12572.7980 1.97% - 0s 0 0 12573.2868 0 61 12825.0000 12573.2868 1.96% - 0s 0 0 12573.4534 0 65 12825.0000 12573.4534 1.96% - 0s 0 0 12573.8717 0 66 12825.0000 12573.8717 1.96% - 0s 0 0 12574.4262 0 62 12825.0000 12574.4262 1.95% - 0s 0 0 12574.6247 0 64 12825.0000 12574.6247 1.95% - 0s 0 0 12574.9421 0 60 12825.0000 12574.9421 1.95% - 0s 0 0 12574.9539 0 66 12825.0000 12574.9539 1.95% - 0s 0 0 12575.0410 0 61 12825.0000 12575.0410 1.95% - 0s 0 0 12575.0534 0 71 12825.0000 12575.0534 1.95% - 0s 0 0 12575.2968 0 60 12825.0000 12575.2968 1.95% - 0s 0 0 12575.3837 0 68 12825.0000 12575.3837 1.95% - 0s 0 0 12575.6696 0 69 12825.0000 12575.6696 1.94% - 0s 0 0 12575.7170 0 67 12825.0000 12575.7170 1.94% - 1s 0 2 12575.7548 0 67 12825.0000 12575.7548 1.94% - 1s * 94 44 12 12822.000000 12624.5000 1.54% 5.6 1s * 153 71 15 12821.000000 12640.7170 1.41% 5.5 1s * 178 81 19 12818.000000 12641.7143 1.38% 5.6 1s H 187 78 12817.000000 12642.0000 1.37% 5.7 1s Cutting planes: Gomory: 2 Zero half: 12 Explored 1016 nodes (6199 simplex iterations) in 2.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281700000000e+04, best bound 1.281600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 24), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 497 rows, 1128 columns and 123370 nonzeros Presolve time: 0.07s Presolved: 497 rows, 1128 columns, 123370 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254117e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12541.1667 0 41 47372.0000 12541.1667 73.5% - 0s Another try with MIP start H 0 0 12825.000000 12541.1667 2.21% - 0s 0 0 12561.0526 0 40 12825.0000 12561.0526 2.06% - 0s 0 0 12561.0526 0 41 12825.0000 12561.0526 2.06% - 0s 0 0 12561.0526 0 40 12825.0000 12561.0526 2.06% - 0s 0 0 12561.1603 0 48 12825.0000 12561.1603 2.06% - 0s 0 0 12571.7805 0 49 12825.0000 12571.7805 1.97% - 0s 0 0 12571.8651 0 40 12825.0000 12571.8651 1.97% - 0s 0 0 12571.8879 0 58 12825.0000 12571.8879 1.97% - 0s 0 0 12571.9509 0 58 12825.0000 12571.9509 1.97% - 0s 0 0 12572.1806 0 55 12825.0000 12572.1806 1.97% - 0s 0 0 12572.1882 0 63 12825.0000 12572.1882 1.97% - 0s 0 0 12572.6416 0 56 12825.0000 12572.6416 1.97% - 0s 0 0 12572.6783 0 55 12825.0000 12572.6783 1.97% - 0s 0 0 12572.7204 0 62 12825.0000 12572.7204 1.97% - 0s 0 0 12573.1538 0 47 12825.0000 12573.1538 1.96% - 0s 0 0 12573.4440 0 58 12825.0000 12573.4440 1.96% - 0s 0 0 12573.5156 0 63 12825.0000 12573.5156 1.96% - 0s 0 0 12573.9883 0 68 12825.0000 12573.9883 1.96% - 0s 0 0 12574.5692 0 62 12825.0000 12574.5692 1.95% - 0s 0 0 12574.6744 0 69 12825.0000 12574.6744 1.95% - 0s 0 0 12575.7222 0 49 12825.0000 12575.7222 1.94% - 0s 0 0 12575.8160 0 54 12825.0000 12575.8160 1.94% - 0s 0 0 12575.9212 0 59 12825.0000 12575.9212 1.94% - 0s 0 0 12576.0314 0 66 12825.0000 12576.0314 1.94% - 0s 0 0 12576.0684 0 58 12825.0000 12576.0684 1.94% - 0s 0 0 12576.0849 0 64 12825.0000 12576.0849 1.94% - 0s 0 0 12576.1702 0 45 12825.0000 12576.1702 1.94% - 0s 0 0 12576.1876 0 58 12825.0000 12576.1876 1.94% - 0s 0 0 12576.2418 0 57 12825.0000 12576.2418 1.94% - 1s 0 0 12576.3456 0 67 12825.0000 12576.3456 1.94% - 1s 0 2 12576.4922 0 67 12825.0000 12576.4922 1.94% - 1s H 108 53 12824.000000 12631.0500 1.50% 5.3 1s * 119 59 30 12819.000000 12631.0500 1.47% 5.1 1s * 350 115 14 12818.000000 12679.6173 1.08% 5.4 2s * 868 56 18 12817.000000 12766.5000 0.39% 5.3 2s Cutting planes: Gomory: 5 Zero half: 10 Explored 969 nodes (5575 simplex iterations) in 2.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281700000000e+04, best bound 1.281700000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (13, 16), (16, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 498 rows, 1128 columns and 123580 nonzeros Presolve time: 0.07s Presolved: 498 rows, 1128 columns, 123580 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12543.1667 2.74% - 0s 0 0 12555.0833 0 33 12896.0000 12555.0833 2.64% - 0s 0 0 12555.0833 0 42 12896.0000 12555.0833 2.64% - 0s 0 0 12558.7500 0 41 12896.0000 12558.7500 2.62% - 0s 0 0 12568.2192 0 45 12896.0000 12568.2192 2.54% - 0s 0 0 12577.0987 0 40 12896.0000 12577.0987 2.47% - 0s 0 0 12587.1964 0 47 12896.0000 12587.1964 2.39% - 0s 0 0 12587.6071 0 34 12896.0000 12587.6071 2.39% - 0s 0 0 12588.1829 0 49 12896.0000 12588.1829 2.39% - 0s 0 0 12589.9418 0 35 12896.0000 12589.9418 2.37% - 0s 0 0 12590.0810 0 58 12896.0000 12590.0810 2.37% - 0s 0 0 12590.6532 0 51 12896.0000 12590.6532 2.37% - 0s 0 0 12590.7173 0 61 12896.0000 12590.7173 2.37% - 0s 0 0 12590.9495 0 63 12896.0000 12590.9495 2.37% - 0s 0 0 12591.3791 0 46 12896.0000 12591.3791 2.36% - 0s 0 0 12591.4455 0 55 12896.0000 12591.4455 2.36% - 0s 0 0 12591.5825 0 60 12896.0000 12591.5825 2.36% - 0s 0 0 12591.7065 0 55 12896.0000 12591.7065 2.36% - 0s 0 0 12591.7285 0 57 12896.0000 12591.7285 2.36% - 0s 0 0 12591.7302 0 58 12896.0000 12591.7302 2.36% - 0s H 0 0 12888.000000 12591.7302 2.30% - 1s 0 2 12591.8186 0 58 12888.0000 12591.8186 2.30% - 1s H 27 25 12847.000000 12598.0800 1.94% 8.6 1s H 54 34 12823.000000 12598.0800 1.75% 6.1 1s * 73 41 13 12821.000000 12615.2409 1.60% 5.9 1s * 104 54 22 12820.000000 12624.5000 1.52% 6.3 1s * 192 101 14 12819.000000 12640.6000 1.39% 6.1 1s * 698 208 32 12818.000000 12688.5771 1.01% 6.7 4s 1462 47 12787.5000 34 10 12818.0000 12787.5000 0.24% 5.9 5s Cutting planes: Gomory: 7 Zero half: 6 Explored 1530 nodes (9201 simplex iterations) in 5.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281800000000e+04, best bound 1.281700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 16), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 499 rows, 1128 columns and 123856 nonzeros Presolve time: 0.07s Presolved: 499 rows, 1128 columns, 123856 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 13050.000000 12543.1667 3.88% - 0s 0 0 12555.0833 0 33 13050.0000 12555.0833 3.79% - 0s 0 0 12555.0833 0 42 13050.0000 12555.0833 3.79% - 0s H 0 0 12882.000000 12555.0833 2.54% - 0s 0 0 12555.0833 0 33 12882.0000 12555.0833 2.54% - 0s 0 2 12564.9388 0 33 12882.0000 12564.9388 2.46% - 0s H 18 13 12836.000000 12596.3269 1.87% 0.0 2s * 78 25 25 12835.000000 12624.5000 1.64% 10.6 2s * 118 38 26 12821.000000 12630.0000 1.49% 9.9 2s * 420 119 23 12820.000000 12683.6667 1.06% 6.9 2s * 727 158 16 12819.000000 12716.0000 0.80% 6.5 3s * 1063 54 18 12818.000000 12773.7333 0.35% 6.4 3s Cutting planes: Gomory: 11 Zero half: 6 Mod-K: 4 Explored 1138 nodes (7384 simplex iterations) in 3.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281800000000e+04, best bound 1.281800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 500 rows, 1128 columns and 124087 nonzeros Presolve time: 0.07s Presolved: 500 rows, 1128 columns, 124087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start 0 0 12555.0833 0 33 47372.0000 12555.0833 73.5% - 0s 0 0 12561.0526 0 40 47372.0000 12561.0526 73.5% - 0s 0 0 12572.0513 0 47 47372.0000 12572.0513 73.5% - 0s 0 0 12573.3134 0 47 47372.0000 12573.3134 73.5% - 0s 0 0 12578.9565 0 37 47372.0000 12578.9565 73.4% - 0s 0 0 12579.6386 0 49 47372.0000 12579.6386 73.4% - 0s 0 0 12580.3856 0 55 47372.0000 12580.3856 73.4% - 0s 0 0 12580.7304 0 54 47372.0000 12580.7304 73.4% - 0s 0 0 12581.4254 0 62 47372.0000 12581.4254 73.4% - 0s 0 0 12584.2471 0 58 47372.0000 12584.2471 73.4% - 0s 0 0 12584.2605 0 63 47372.0000 12584.2605 73.4% - 0s 0 0 12584.5917 0 65 47372.0000 12584.5917 73.4% - 0s H 0 0 13294.000000 12584.5917 5.34% - 0s H 0 0 13273.000000 12584.5917 5.19% - 0s H 0 0 12841.000000 12584.5917 2.00% - 0s 0 0 12584.9758 0 62 12841.0000 12584.9758 1.99% - 0s 0 0 12584.9758 0 42 12841.0000 12584.9758 1.99% - 1s 0 0 12584.9758 0 51 12841.0000 12584.9758 1.99% - 1s 0 0 12584.9758 0 51 12841.0000 12584.9758 1.99% - 1s 0 0 12584.9758 0 60 12841.0000 12584.9758 1.99% - 1s 0 0 12584.9758 0 54 12841.0000 12584.9758 1.99% - 1s 0 0 12584.9758 0 62 12841.0000 12584.9758 1.99% - 1s 0 2 12584.9758 0 62 12841.0000 12584.9758 1.99% - 1s H 86 42 12819.000000 12640.3333 1.39% 7.3 1s * 123 61 16 12818.000000 12645.6667 1.34% 6.7 1s Cutting planes: Gomory: 5 Cover: 1 Zero half: 6 Explored 822 nodes (4998 simplex iterations) in 2.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281800000000e+04, best bound 1.281700000000e+04, gap 0.0078% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 501 rows, 1128 columns and 124318 nonzeros Presolve time: 0.07s Presolved: 501 rows, 1128 columns, 124318 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12856.000000 12543.1667 2.43% - 0s 0 0 12555.0833 0 33 12856.0000 12555.0833 2.34% - 0s 0 0 12555.0833 0 42 12856.0000 12555.0833 2.34% - 0s 0 0 12555.0926 0 33 12856.0000 12555.0926 2.34% - 0s H 0 0 12847.000000 12555.0926 2.27% - 0s 0 0 12561.0526 0 40 12847.0000 12561.0526 2.23% - 0s 0 0 12561.1842 0 48 12847.0000 12561.1842 2.22% - 0s 0 0 12572.9415 0 50 12847.0000 12572.9415 2.13% - 0s 0 0 12573.9375 0 50 12847.0000 12573.9375 2.13% - 0s 0 0 12574.1333 0 49 12847.0000 12574.1333 2.12% - 0s 0 0 12574.4025 0 57 12847.0000 12574.4025 2.12% - 0s 0 0 12574.5352 0 51 12847.0000 12574.5352 2.12% - 0s 0 0 12574.6215 0 59 12847.0000 12574.6215 2.12% - 0s 0 0 12574.6398 0 64 12847.0000 12574.6398 2.12% - 0s 0 2 12574.8043 0 64 12847.0000 12574.8043 2.12% - 1s * 91 47 15 12824.000000 12612.3846 1.65% 5.5 1s * 92 44 15 12822.000000 12612.3846 1.63% 5.4 1s * 166 80 30 12820.000000 12630.0000 1.48% 5.9 1s * 571 150 19 12819.000000 12694.6667 0.97% 6.0 1s Cutting planes: Gomory: 5 Zero half: 8 Explored 1107 nodes (6738 simplex iterations) in 2.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281900000000e+04, best bound 1.281900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 502 rows, 1128 columns and 124571 nonzeros Presolve time: 0.07s Presolved: 502 rows, 1128 columns, 124571 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12543.1667 2.98% - 0s 0 0 12555.0833 0 33 12928.0000 12555.0833 2.88% - 0s 0 0 12555.0833 0 42 12928.0000 12555.0833 2.88% - 0s 0 0 12559.0000 0 31 12928.0000 12559.0000 2.85% - 0s 0 0 12561.0789 0 48 12928.0000 12561.0789 2.84% - 0s 0 0 12562.0000 0 45 12928.0000 12562.0000 2.83% - 0s H 0 0 12904.000000 12562.0000 2.65% - 0s 0 0 12562.1247 0 53 12904.0000 12562.1247 2.65% - 0s 0 0 12562.2469 0 63 12904.0000 12562.2469 2.65% - 0s 0 0 12562.6746 0 62 12904.0000 12562.6746 2.65% - 0s 0 0 12562.9481 0 63 12904.0000 12562.9481 2.64% - 0s 0 0 12563.6147 0 56 12904.0000 12563.6147 2.64% - 0s 0 0 12564.0816 0 57 12904.0000 12564.0816 2.63% - 0s 0 0 12564.2056 0 54 12904.0000 12564.2056 2.63% - 0s 0 0 12564.2111 0 61 12904.0000 12564.2111 2.63% - 0s 0 0 12564.2594 0 70 12904.0000 12564.2594 2.63% - 0s 0 0 12564.4872 0 65 12904.0000 12564.4872 2.63% - 0s 0 0 12564.7041 0 56 12904.0000 12564.7041 2.63% - 0s 0 0 12564.7577 0 68 12904.0000 12564.7577 2.63% - 0s 0 0 12564.9669 0 64 12904.0000 12564.9669 2.63% - 0s 0 0 12566.5829 0 67 12904.0000 12566.5829 2.61% - 0s 0 0 12566.7774 0 64 12904.0000 12566.7774 2.61% - 0s 0 0 12566.9383 0 59 12904.0000 12566.9383 2.61% - 0s 0 0 12567.1105 0 76 12904.0000 12567.1105 2.61% - 1s 0 0 12567.5426 0 68 12904.0000 12567.5426 2.61% - 1s 0 0 12567.5550 0 66 12904.0000 12567.5550 2.61% - 1s 0 0 12567.6751 0 74 12904.0000 12567.6751 2.61% - 1s 0 0 12567.7259 0 70 12904.0000 12567.7259 2.61% - 1s H 0 0 12882.000000 12567.7259 2.44% - 1s H 0 0 12852.000000 12567.7259 2.21% - 1s 0 2 12567.7704 0 70 12852.0000 12567.7704 2.21% - 1s H 27 16 12844.000000 12594.6667 1.94% 9.9 1s H 54 24 12825.000000 12620.0000 1.60% 8.6 2s * 111 58 23 12820.000000 12634.8000 1.44% 7.4 2s * 170 61 12 12819.000000 12655.0000 1.28% 7.0 2s Cutting planes: Gomory: 2 Zero half: 18 Mod-K: 1 Explored 951 nodes (6095 simplex iterations) in 3.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.281900000000e+04, best bound 1.281800000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 503 rows, 1128 columns and 124802 nonzeros Presolve time: 0.07s Presolved: 503 rows, 1128 columns, 124802 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12831.000000 12543.1667 2.24% - 0s 0 0 12561.0526 0 40 12831.0000 12561.0526 2.10% - 0s 0 0 12561.0526 0 42 12831.0000 12561.0526 2.10% - 0s 0 0 12561.0526 0 40 12831.0000 12561.0526 2.10% - 0s 0 0 12565.4689 0 48 12831.0000 12565.4689 2.07% - 0s 0 0 12568.8689 0 39 12831.0000 12568.8689 2.04% - 0s 0 0 12568.9772 0 46 12831.0000 12568.9772 2.04% - 0s 0 0 12572.7778 0 26 12831.0000 12572.7778 2.01% - 0s 0 0 12572.9964 0 37 12831.0000 12572.9964 2.01% - 0s 0 0 12573.4167 0 33 12831.0000 12573.4167 2.01% - 0s 0 0 12573.8710 0 46 12831.0000 12573.8710 2.00% - 0s 0 0 12573.8710 0 47 12831.0000 12573.8710 2.00% - 0s 0 0 12574.0645 0 56 12831.0000 12574.0645 2.00% - 0s 0 0 12574.6154 0 47 12831.0000 12574.6154 2.00% - 0s 0 0 12574.6154 0 48 12831.0000 12574.6154 2.00% - 0s 0 0 12574.7239 0 56 12831.0000 12574.7239 2.00% - 0s 0 0 12574.8018 0 59 12831.0000 12574.8018 2.00% - 0s 0 0 12574.8831 0 61 12831.0000 12574.8831 2.00% - 0s 0 0 12575.2827 0 62 12831.0000 12575.2827 1.99% - 0s 0 0 12575.5169 0 58 12831.0000 12575.5169 1.99% - 0s 0 0 12575.5205 0 67 12831.0000 12575.5205 1.99% - 0s 0 0 12576.3163 0 67 12831.0000 12576.3163 1.98% - 0s 0 0 12576.4798 0 74 12831.0000 12576.4798 1.98% - 0s 0 0 12576.9399 0 68 12831.0000 12576.9399 1.98% - 1s 0 0 12577.8403 0 58 12831.0000 12577.8403 1.97% - 1s 0 0 12578.2781 0 57 12831.0000 12578.2781 1.97% - 1s 0 0 12578.5194 0 63 12831.0000 12578.5194 1.97% - 1s 0 0 12578.7765 0 63 12831.0000 12578.7765 1.97% - 1s 0 0 12578.9105 0 65 12831.0000 12578.9105 1.96% - 1s 0 0 12579.0351 0 59 12831.0000 12579.0351 1.96% - 1s 0 0 12579.1805 0 70 12831.0000 12579.1805 1.96% - 1s 0 0 12579.2909 0 66 12831.0000 12579.2909 1.96% - 1s 0 0 12579.3408 0 67 12831.0000 12579.3408 1.96% - 1s 0 2 12579.3554 0 67 12831.0000 12579.3554 1.96% - 1s * 109 59 23 12825.000000 12608.7333 1.69% 5.9 2s * 285 117 18 12820.000000 12639.0000 1.41% 5.9 2s 1478 83 12759.8571 20 33 12820.0000 12759.8571 0.47% 6.2 5s Cutting planes: Gomory: 3 Zero half: 11 Explored 1664 nodes (10394 simplex iterations) in 5.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282000000000e+04, best bound 1.281900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 24), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 504 rows, 1128 columns and 125078 nonzeros Presolve time: 0.07s Presolved: 504 rows, 1128 columns, 125078 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 13019.000000 12543.1667 3.65% - 0s 0 0 12561.0526 0 40 13019.0000 12561.0526 3.52% - 0s 0 0 12561.0526 0 42 13019.0000 12561.0526 3.52% - 0s 0 0 12561.0526 0 40 13019.0000 12561.0526 3.52% - 0s 0 0 12561.1754 0 48 13019.0000 12561.1754 3.52% - 0s 0 0 12569.8410 0 45 13019.0000 12569.8410 3.45% - 0s 0 0 12572.5833 0 36 13019.0000 12572.5833 3.43% - 0s 0 0 12572.8095 0 51 13019.0000 12572.8095 3.43% - 0s 0 0 12573.3529 0 28 13019.0000 12573.3529 3.42% - 0s 0 0 12573.3920 0 46 13019.0000 12573.3920 3.42% - 0s 0 0 12573.4938 0 62 13019.0000 12573.4938 3.42% - 0s 0 0 12574.2000 0 54 13019.0000 12574.2000 3.42% - 0s 0 0 12574.3995 0 52 13019.0000 12574.3995 3.42% - 0s 0 0 12574.4786 0 57 13019.0000 12574.4786 3.41% - 0s 0 0 12574.8221 0 47 13019.0000 12574.8221 3.41% - 0s 0 0 12575.0695 0 56 13019.0000 12575.0695 3.41% - 0s 0 0 12575.3548 0 54 13019.0000 12575.3548 3.41% - 0s 0 0 12575.4218 0 62 13019.0000 12575.4218 3.41% - 0s 0 0 12575.5599 0 64 13019.0000 12575.5599 3.41% - 0s 0 0 12576.7449 0 66 13019.0000 12576.7449 3.40% - 0s 0 0 12577.2608 0 64 13019.0000 12577.2608 3.39% - 0s 0 0 12577.4738 0 65 13019.0000 12577.4738 3.39% - 1s 0 0 12577.5996 0 67 13019.0000 12577.5996 3.39% - 1s 0 0 12577.7097 0 61 13019.0000 12577.7097 3.39% - 1s H 0 0 12882.000000 12577.7097 2.36% - 1s 0 2 12577.7448 0 61 12882.0000 12577.7448 2.36% - 1s H 39 21 12860.000000 12598.0000 2.04% 6.8 1s * 68 34 23 12822.000000 12618.7778 1.58% 6.7 1s * 184 72 7 12821.000000 12628.1250 1.50% 7.1 2s * 504 135 22 12820.000000 12690.0000 1.01% 6.8 2s 1652 17 12813.0000 19 10 12820.0000 12804.0000 0.12% 6.5 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 1686 nodes (11311 simplex iterations) in 5.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282000000000e+04, best bound 1.282000000000e+04, gap 0.0% adding cut for [(33, 46), (34, 41), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (17, 38), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 505 rows, 1128 columns and 125288 nonzeros Presolve time: 0.07s Presolved: 505 rows, 1128 columns, 125288 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12924.000000 12543.1667 2.95% - 0s 0 0 12561.0526 0 40 12924.0000 12561.0526 2.81% - 0s 0 0 12561.0526 0 42 12924.0000 12561.0526 2.81% - 0s H 0 0 12859.000000 12561.0526 2.32% - 0s 0 0 12561.0526 0 40 12859.0000 12561.0526 2.32% - 0s 0 0 12561.1773 0 48 12859.0000 12561.1773 2.32% - 0s 0 0 12569.0000 0 27 12859.0000 12569.0000 2.26% - 0s 0 0 12569.2000 0 41 12859.0000 12569.2000 2.25% - 0s 0 0 12570.5814 0 53 12859.0000 12570.5814 2.24% - 0s 0 0 12571.2177 0 60 12859.0000 12571.2177 2.24% - 0s 0 0 12573.1107 0 47 12859.0000 12573.1107 2.22% - 0s 0 0 12573.7366 0 53 12859.0000 12573.7366 2.22% - 0s 0 0 12573.8478 0 57 12859.0000 12573.8478 2.22% - 0s 0 0 12574.3310 0 62 12859.0000 12574.3310 2.21% - 0s 0 0 12575.3417 0 56 12859.0000 12575.3417 2.21% - 0s 0 0 12575.3671 0 58 12859.0000 12575.3671 2.21% - 0s 0 0 12575.8588 0 61 12859.0000 12575.8588 2.20% - 0s 0 0 12575.8748 0 68 12859.0000 12575.8748 2.20% - 0s 0 0 12575.9383 0 64 12859.0000 12575.9383 2.20% - 0s 0 0 12575.9750 0 69 12859.0000 12575.9750 2.20% - 0s 0 0 12576.1654 0 57 12859.0000 12576.1654 2.20% - 0s 0 0 12576.1801 0 63 12859.0000 12576.1801 2.20% - 0s 0 0 12576.3005 0 69 12859.0000 12576.3005 2.20% - 1s 0 0 12576.3952 0 64 12859.0000 12576.3952 2.20% - 1s 0 0 12576.9361 0 67 12859.0000 12576.9361 2.19% - 1s 0 0 12577.2479 0 67 12859.0000 12577.2479 2.19% - 1s 0 0 12577.3554 0 62 12859.0000 12577.3554 2.19% - 1s 0 0 12577.3679 0 68 12859.0000 12577.3679 2.19% - 1s 0 0 12577.4087 0 69 12859.0000 12577.4087 2.19% - 1s 0 0 12577.5539 0 73 12859.0000 12577.5539 2.19% - 1s 0 0 12577.5829 0 73 12859.0000 12577.5829 2.19% - 1s H 0 0 12844.000000 12577.5829 2.07% - 1s 0 2 12577.6012 0 73 12844.0000 12577.6012 2.07% - 2s * 94 41 34 12832.000000 12604.7429 1.77% 6.1 2s * 131 50 13 12822.000000 12624.5000 1.54% 6.5 2s * 444 142 17 12821.000000 12684.5000 1.06% 6.7 2s * 650 149 18 12820.000000 12703.2143 0.91% 6.7 2s Cutting planes: Gomory: 5 Zero half: 20 Explored 1169 nodes (7839 simplex iterations) in 3.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282000000000e+04, best bound 1.282000000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (13, 16), (13, 24), (16, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 506 rows, 1128 columns and 125498 nonzeros Presolve time: 0.07s Presolved: 506 rows, 1128 columns, 125498 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12543.1667 2.74% - 0s 0 0 12561.0526 0 40 12896.0000 12561.0526 2.60% - 0s 0 0 12561.0526 0 42 12896.0000 12561.0526 2.60% - 0s H 0 0 12882.000000 12561.0526 2.49% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12561.1496 0 48 12882.0000 12561.1496 2.49% - 0s 0 0 12565.4615 0 27 12882.0000 12565.4615 2.46% - 0s 0 0 12568.4796 0 48 12882.0000 12568.4796 2.43% - 0s 0 0 12569.5893 0 35 12882.0000 12569.5893 2.43% - 0s 0 0 12569.9780 0 43 12882.0000 12569.9780 2.42% - 0s 0 0 12570.1722 0 64 12882.0000 12570.1722 2.42% - 0s 0 0 12572.4426 0 54 12882.0000 12572.4426 2.40% - 0s 0 0 12574.1213 0 44 12882.0000 12574.1213 2.39% - 0s 0 0 12574.2054 0 65 12882.0000 12574.2054 2.39% - 0s 0 2 12574.3290 0 65 12882.0000 12574.3290 2.39% - 1s * 42 24 39 12880.000000 12596.6901 2.20% 5.7 1s * 44 22 41 12867.000000 12596.6901 2.10% 5.6 1s * 88 54 40 12857.000000 12600.4386 2.00% 4.7 1s * 102 58 12 12822.000000 12606.3594 1.68% 5.3 1s * 194 101 22 12821.000000 12627.3333 1.51% 5.4 1s * 459 145 12 12820.000000 12696.0000 0.97% 5.6 1s Cutting planes: Gomory: 4 Zero half: 11 Explored 957 nodes (5636 simplex iterations) in 2.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282000000000e+04, best bound 1.282000000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 507 rows, 1128 columns and 125751 nonzeros Presolve time: 0.07s Presolved: 507 rows, 1128 columns, 125751 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12830.000000 12543.1667 2.24% - 0s 0 0 12561.0526 0 40 12830.0000 12561.0526 2.10% - 0s 0 0 12561.0526 0 42 12830.0000 12561.0526 2.10% - 0s 0 0 12561.0526 0 40 12830.0000 12561.0526 2.10% - 0s 0 0 12565.4396 0 48 12830.0000 12565.4396 2.06% - 0s 0 0 12569.8062 0 37 12830.0000 12569.8062 2.03% - 0s 0 0 12569.9979 0 45 12830.0000 12569.9979 2.03% - 0s 0 0 12570.8019 0 37 12830.0000 12570.8019 2.02% - 0s 0 0 12570.9373 0 51 12830.0000 12570.9373 2.02% - 0s 0 0 12571.0290 0 51 12830.0000 12571.0290 2.02% - 0s 0 0 12572.8889 0 34 12830.0000 12572.8889 2.00% - 0s 0 0 12573.6016 0 53 12830.0000 12573.6016 2.00% - 0s 0 0 12574.0894 0 55 12830.0000 12574.0894 1.99% - 0s 0 0 12574.4267 0 52 12830.0000 12574.4267 1.99% - 0s 0 0 12574.5000 0 38 12830.0000 12574.5000 1.99% - 0s 0 0 12574.5739 0 60 12830.0000 12574.5739 1.99% - 0s 0 0 12575.0927 0 60 12830.0000 12575.0927 1.99% - 0s 0 0 12575.4635 0 57 12830.0000 12575.4635 1.98% - 0s 0 0 12575.7838 0 68 12830.0000 12575.7838 1.98% - 0s 0 0 12577.0587 0 63 12830.0000 12577.0587 1.97% - 0s 0 0 12577.3938 0 64 12830.0000 12577.3938 1.97% - 0s 0 0 12577.7206 0 63 12830.0000 12577.7206 1.97% - 0s 0 0 12578.0432 0 66 12830.0000 12578.0432 1.96% - 0s 0 0 12578.7987 0 65 12830.0000 12578.7987 1.96% - 0s 0 0 12579.2421 0 70 12830.0000 12579.2421 1.95% - 0s 0 0 12579.4736 0 70 12830.0000 12579.4736 1.95% - 0s 0 0 12579.6818 0 72 12830.0000 12579.6818 1.95% - 0s 0 0 12580.2748 0 65 12830.0000 12580.2748 1.95% - 0s 0 0 12580.3368 0 66 12830.0000 12580.3368 1.95% - 1s 0 0 12580.3491 0 65 12830.0000 12580.3491 1.95% - 1s H 0 0 12821.000000 12580.3491 1.88% - 1s 0 2 12580.6019 0 65 12821.0000 12580.6019 1.88% - 1s Cutting planes: Gomory: 3 Zero half: 26 Explored 955 nodes (6223 simplex iterations) in 2.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282100000000e+04, best bound 1.282100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 508 rows, 1128 columns and 126051 nonzeros Presolve time: 0.07s Presolved: 508 rows, 1128 columns, 126051 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12830.000000 12543.1667 2.24% - 0s 0 0 12561.0526 0 40 12830.0000 12561.0526 2.10% - 0s 0 0 12561.0526 0 42 12830.0000 12561.0526 2.10% - 0s 0 0 12561.0526 0 40 12830.0000 12561.0526 2.10% - 0s 0 0 12565.4396 0 48 12830.0000 12565.4396 2.06% - 0s 0 0 12568.8689 0 39 12830.0000 12568.8689 2.04% - 0s 0 0 12572.1538 0 31 12830.0000 12572.1538 2.01% - 0s 0 0 12573.0000 0 25 12830.0000 12573.0000 2.00% - 0s 0 0 12573.0000 0 26 12830.0000 12573.0000 2.00% - 0s 0 0 12573.2226 0 41 12830.0000 12573.2226 2.00% - 0s 0 0 12573.7351 0 59 12830.0000 12573.7351 2.00% - 0s 0 0 12574.8298 0 51 12830.0000 12574.8298 1.99% - 0s 0 0 12574.9541 0 50 12830.0000 12574.9541 1.99% - 0s 0 0 12574.9904 0 58 12830.0000 12574.9904 1.99% - 0s 0 0 12575.3715 0 54 12830.0000 12575.3715 1.98% - 0s 0 0 12575.4259 0 64 12830.0000 12575.4259 1.98% - 0s 0 0 12575.5012 0 66 12830.0000 12575.5012 1.98% - 0s 0 0 12575.7161 0 66 12830.0000 12575.7161 1.98% - 0s 0 0 12575.8724 0 63 12830.0000 12575.8724 1.98% - 0s 0 0 12575.9610 0 71 12830.0000 12575.9610 1.98% - 0s 0 0 12576.9826 0 63 12830.0000 12576.9826 1.97% - 0s 0 0 12577.9807 0 58 12830.0000 12577.9807 1.96% - 0s 0 0 12577.9819 0 63 12830.0000 12577.9819 1.96% - 0s 0 0 12578.3241 0 59 12830.0000 12578.3241 1.96% - 0s 0 0 12578.3341 0 66 12830.0000 12578.3341 1.96% - 0s 0 0 12579.1764 0 57 12830.0000 12579.1764 1.95% - 1s 0 0 12579.3937 0 52 12830.0000 12579.3937 1.95% - 1s 0 0 12579.4769 0 66 12830.0000 12579.4769 1.95% - 1s 0 0 12579.4944 0 68 12830.0000 12579.4944 1.95% - 1s 0 0 12579.5081 0 72 12830.0000 12579.5081 1.95% - 1s 0 0 12579.5228 0 69 12830.0000 12579.5228 1.95% - 1s 0 0 12579.5318 0 73 12830.0000 12579.5318 1.95% - 1s 0 2 12579.6840 0 73 12830.0000 12579.6840 1.95% - 1s H 55 23 12825.000000 12613.8000 1.65% 6.5 2s * 70 26 33 12824.000000 12613.8000 1.64% 6.0 2s * 71 25 33 12822.000000 12613.8000 1.62% 5.9 2s * 511 120 17 12821.000000 12700.0000 0.94% 6.3 2s 1097 109 12719.2500 22 22 12821.0000 12715.5000 0.82% 6.6 5s Cutting planes: Gomory: 3 Zero half: 12 Explored 1452 nodes (9569 simplex iterations) in 5.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282100000000e+04, best bound 1.282100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 509 rows, 1128 columns and 126327 nonzeros Presolve time: 0.07s Presolved: 509 rows, 1128 columns, 126327 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12877.000000 12543.1667 2.59% - 0s 0 0 12561.0526 0 40 12877.0000 12561.0526 2.45% - 0s 0 0 12561.0526 0 42 12877.0000 12561.0526 2.45% - 0s 0 0 12561.0526 0 40 12877.0000 12561.0526 2.45% - 0s 0 0 12564.7927 0 48 12877.0000 12564.7927 2.42% - 0s 0 0 12571.8000 0 29 12877.0000 12571.8000 2.37% - 0s 0 0 12575.3715 0 42 12877.0000 12575.3715 2.34% - 0s 0 0 12577.3592 0 51 12877.0000 12577.3592 2.33% - 0s 0 0 12578.5781 0 49 12877.0000 12578.5781 2.32% - 0s 0 0 12578.8471 0 57 12877.0000 12578.8471 2.32% - 0s 0 0 12580.7765 0 47 12877.0000 12580.7765 2.30% - 0s 0 0 12580.9778 0 56 12877.0000 12580.9778 2.30% - 0s 0 0 12581.0514 0 62 12877.0000 12581.0514 2.30% - 0s 0 0 12581.1477 0 62 12877.0000 12581.1477 2.30% - 0s 0 0 12581.6312 0 54 12877.0000 12581.6312 2.29% - 0s 0 0 12581.6954 0 61 12877.0000 12581.6954 2.29% - 0s 0 0 12581.8205 0 49 12877.0000 12581.8205 2.29% - 0s 0 0 12581.9010 0 59 12877.0000 12581.9010 2.29% - 0s 0 0 12582.1162 0 64 12877.0000 12582.1162 2.29% - 0s H 0 0 12851.000000 12582.1162 2.09% - 1s 0 2 12582.3767 0 64 12851.0000 12582.3767 2.09% - 1s * 87 25 87 12832.000000 12601.2938 1.80% 3.8 1s * 133 55 14 12824.000000 12619.8900 1.59% 4.6 1s * 189 66 17 12821.000000 12636.7857 1.44% 5.6 1s Cutting planes: Gomory: 7 Zero half: 17 Explored 1065 nodes (6486 simplex iterations) in 2.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282100000000e+04, best bound 1.282100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (12, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 510 rows, 1128 columns and 126558 nonzeros Presolve time: 0.07s Presolved: 510 rows, 1128 columns, 126558 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12543.1667 2.26% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 42 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12569.0000 0 24 12833.0000 12569.0000 2.06% - 0s 0 0 12571.6111 0 37 12833.0000 12571.6111 2.04% - 0s 0 0 12572.5694 0 37 12833.0000 12572.5694 2.03% - 0s 0 0 12573.0000 0 31 12833.0000 12573.0000 2.03% - 0s 0 0 12573.6500 0 44 12833.0000 12573.6500 2.02% - 0s 0 0 12573.9327 0 48 12833.0000 12573.9327 2.02% - 0s 0 0 12574.2439 0 56 12833.0000 12574.2439 2.02% - 0s 0 0 12574.4012 0 51 12833.0000 12574.4012 2.02% - 0s 0 0 12574.9827 0 62 12833.0000 12574.9827 2.01% - 0s 0 0 12577.1888 0 58 12833.0000 12577.1888 1.99% - 0s 0 0 12577.2565 0 62 12833.0000 12577.2565 1.99% - 0s 0 0 12577.4977 0 55 12833.0000 12577.4977 1.99% - 0s 0 0 12577.5519 0 63 12833.0000 12577.5519 1.99% - 0s 0 0 12577.6833 0 67 12833.0000 12577.6833 1.99% - 0s 0 0 12577.8371 0 64 12833.0000 12577.8371 1.99% - 0s 0 2 12578.3603 0 64 12833.0000 12578.3603 1.98% - 1s * 150 63 31 12831.000000 12626.1765 1.60% 5.4 1s * 244 87 13 12824.000000 12642.6250 1.41% 6.2 1s * 293 106 14 12823.000000 12660.8889 1.26% 5.9 1s * 333 117 22 12822.000000 12662.3750 1.24% 5.8 1s * 972 54 8 12821.000000 12774.0000 0.37% 5.8 2s Cutting planes: Gomory: 6 Zero half: 14 Explored 1069 nodes (6416 simplex iterations) in 2.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282100000000e+04, best bound 1.282100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (23, 40), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 511 rows, 1128 columns and 126909 nonzeros Presolve time: 0.07s Presolved: 511 rows, 1128 columns, 126909 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12835.000000 12543.1667 2.27% - 0s 0 0 12561.0526 0 40 12835.0000 12561.0526 2.13% - 0s 0 0 12561.0526 0 42 12835.0000 12561.0526 2.13% - 0s 0 0 12561.0526 0 40 12835.0000 12561.0526 2.13% - 0s 0 0 12561.1842 0 48 12835.0000 12561.1842 2.13% - 0s 0 0 12568.9167 0 28 12835.0000 12568.9167 2.07% - 0s 0 0 12571.4037 0 46 12835.0000 12571.4037 2.05% - 0s 0 0 12571.7804 0 48 12835.0000 12571.7804 2.05% - 0s 0 0 12572.6381 0 43 12835.0000 12572.6381 2.04% - 0s 0 0 12572.7213 0 50 12835.0000 12572.7213 2.04% - 0s 0 0 12572.7406 0 61 12835.0000 12572.7406 2.04% - 0s 0 0 12574.4224 0 43 12835.0000 12574.4224 2.03% - 0s 0 0 12574.5174 0 47 12835.0000 12574.5174 2.03% - 0s 0 0 12574.5382 0 54 12835.0000 12574.5382 2.03% - 0s 0 0 12575.0179 0 52 12835.0000 12575.0179 2.03% - 0s 0 0 12575.1189 0 60 12835.0000 12575.1189 2.02% - 0s 0 0 12575.2630 0 62 12835.0000 12575.2630 2.02% - 0s 0 0 12575.6439 0 64 12835.0000 12575.6439 2.02% - 0s 0 0 12575.7466 0 58 12835.0000 12575.7466 2.02% - 0s 0 0 12575.8498 0 61 12835.0000 12575.8498 2.02% - 0s 0 0 12575.8746 0 52 12835.0000 12575.8746 2.02% - 0s 0 0 12575.9266 0 55 12835.0000 12575.9266 2.02% - 0s 0 0 12576.0119 0 69 12835.0000 12576.0119 2.02% - 0s 0 2 12576.0874 0 69 12835.0000 12576.0874 2.02% - 1s * 35 18 33 12827.000000 12596.9464 1.79% 6.2 1s * 62 27 27 12826.000000 12603.1520 1.74% 7.0 1s * 68 27 33 12824.000000 12603.1520 1.72% 6.6 1s * 69 26 33 12822.000000 12603.1520 1.71% 6.6 1s Cutting planes: Gomory: 6 Zero half: 19 Explored 958 nodes (6031 simplex iterations) in 2.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282200000000e+04, best bound 1.282200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 40), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 512 rows, 1128 columns and 127140 nonzeros Presolve time: 0.07s Presolved: 512 rows, 1128 columns, 127140 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12543.1667 2.98% - 0s 0 0 12561.0526 0 40 12928.0000 12561.0526 2.84% - 0s 0 0 12561.0526 0 42 12928.0000 12561.0526 2.84% - 0s H 0 0 12882.000000 12561.0526 2.49% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12561.1773 0 48 12882.0000 12561.1773 2.49% - 0s 0 0 12569.0000 0 27 12882.0000 12569.0000 2.43% - 0s 0 0 12569.2143 0 41 12882.0000 12569.2143 2.43% - 0s 0 0 12570.5714 0 53 12882.0000 12570.5714 2.42% - 0s 0 0 12571.1414 0 41 12882.0000 12571.1414 2.41% - 0s 0 0 12572.8356 0 53 12882.0000 12572.8356 2.40% - 0s 0 0 12573.0323 0 61 12882.0000 12573.0323 2.40% - 0s 0 0 12573.8089 0 54 12882.0000 12573.8089 2.39% - 0s 0 0 12574.0943 0 62 12882.0000 12574.0943 2.39% - 0s 0 0 12574.7499 0 58 12882.0000 12574.7499 2.39% - 0s 0 0 12575.1875 0 67 12882.0000 12575.1875 2.38% - 0s 0 0 12575.2728 0 64 12882.0000 12575.2728 2.38% - 0s 0 0 12575.6244 0 63 12882.0000 12575.6244 2.38% - 0s 0 0 12576.1873 0 42 12882.0000 12576.1873 2.37% - 0s 0 0 12576.2506 0 55 12882.0000 12576.2506 2.37% - 0s 0 0 12576.3347 0 63 12882.0000 12576.3347 2.37% - 0s 0 0 12576.3448 0 62 12882.0000 12576.3448 2.37% - 0s 0 0 12576.5284 0 71 12882.0000 12576.5284 2.37% - 0s 0 0 12576.8277 0 72 12882.0000 12576.8277 2.37% - 0s 0 0 12576.9665 0 59 12882.0000 12576.9665 2.37% - 0s 0 0 12577.0645 0 69 12882.0000 12577.0645 2.37% - 1s H 0 0 12873.000000 12577.0645 2.30% - 1s 0 2 12577.1023 0 69 12873.0000 12577.1023 2.30% - 1s * 40 24 36 12855.000000 12608.7778 1.92% 6.7 1s * 83 44 45 12823.000000 12624.7778 1.55% 7.0 1s * 300 118 23 12822.000000 12652.2500 1.32% 6.5 2s Cutting planes: Gomory: 5 Zero half: 17 Explored 1074 nodes (7016 simplex iterations) in 3.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282200000000e+04, best bound 1.282200000000e+04, gap 0.0% adding cut for [(33, 36), (4, 40), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 513 rows, 1128 columns and 127330 nonzeros Presolve time: 0.07s Presolved: 513 rows, 1128 columns, 127330 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12834.000000 12543.1667 2.27% - 0s 0 0 12561.0526 0 40 12834.0000 12561.0526 2.13% - 0s 0 0 12561.0526 0 42 12834.0000 12561.0526 2.13% - 0s 0 0 12561.0526 0 40 12834.0000 12561.0526 2.13% - 0s 0 0 12569.0000 0 24 12834.0000 12569.0000 2.06% - 0s 0 0 12571.6111 0 37 12834.0000 12571.6111 2.04% - 0s 0 0 12572.5694 0 37 12834.0000 12572.5694 2.04% - 0s 0 0 12573.0000 0 31 12834.0000 12573.0000 2.03% - 0s 0 0 12573.6500 0 44 12834.0000 12573.6500 2.03% - 0s 0 0 12573.9327 0 48 12834.0000 12573.9327 2.03% - 0s 0 0 12574.2439 0 56 12834.0000 12574.2439 2.02% - 0s 0 0 12574.4012 0 51 12834.0000 12574.4012 2.02% - 0s 0 0 12574.9827 0 62 12834.0000 12574.9827 2.02% - 0s 0 0 12577.1717 0 54 12834.0000 12577.1717 2.00% - 0s 0 0 12577.2294 0 54 12834.0000 12577.2294 2.00% - 0s 0 0 12577.2370 0 62 12834.0000 12577.2370 2.00% - 0s 0 0 12577.2732 0 62 12834.0000 12577.2732 2.00% - 0s 0 0 12577.7608 0 59 12834.0000 12577.7608 2.00% - 0s 0 0 12577.8047 0 64 12834.0000 12577.8047 2.00% - 0s 0 0 12578.0970 0 55 12834.0000 12578.0970 1.99% - 0s 0 0 12578.1463 0 64 12834.0000 12578.1463 1.99% - 0s 0 0 12578.2178 0 68 12834.0000 12578.2178 1.99% - 0s 0 0 12578.2847 0 66 12834.0000 12578.2847 1.99% - 0s 0 2 12579.2592 0 66 12834.0000 12579.2592 1.98% - 1s * 46 22 44 12832.000000 12623.0000 1.63% 6.5 1s * 144 68 14 12829.000000 12640.1000 1.47% 7.1 1s * 145 64 13 12822.000000 12640.1000 1.42% 7.1 1s Cutting planes: Gomory: 5 Zero half: 14 Explored 1080 nodes (6818 simplex iterations) in 2.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282200000000e+04, best bound 1.282100000000e+04, gap 0.0078% adding cut for [(4, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 514 rows, 1128 columns and 127561 nonzeros Presolve time: 0.07s Presolved: 514 rows, 1128 columns, 127561 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12543.1667 2.26% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 42 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12569.0000 0 24 12833.0000 12569.0000 2.06% - 0s 0 0 12571.6111 0 37 12833.0000 12571.6111 2.04% - 0s 0 0 12572.5694 0 37 12833.0000 12572.5694 2.03% - 0s 0 0 12573.0000 0 31 12833.0000 12573.0000 2.03% - 0s 0 0 12573.6500 0 44 12833.0000 12573.6500 2.02% - 0s 0 0 12573.9327 0 48 12833.0000 12573.9327 2.02% - 0s 0 0 12574.2439 0 56 12833.0000 12574.2439 2.02% - 0s 0 0 12574.4012 0 51 12833.0000 12574.4012 2.02% - 0s 0 0 12574.9827 0 62 12833.0000 12574.9827 2.01% - 0s 0 0 12577.1717 0 54 12833.0000 12577.1717 1.99% - 0s 0 0 12577.2294 0 54 12833.0000 12577.2294 1.99% - 0s 0 0 12577.2370 0 62 12833.0000 12577.2370 1.99% - 0s 0 0 12577.2732 0 62 12833.0000 12577.2732 1.99% - 0s 0 0 12577.7608 0 59 12833.0000 12577.7608 1.99% - 0s 0 0 12577.8047 0 64 12833.0000 12577.8047 1.99% - 0s 0 0 12578.0970 0 55 12833.0000 12578.0970 1.99% - 0s 0 0 12578.1463 0 64 12833.0000 12578.1463 1.99% - 0s 0 0 12578.2178 0 68 12833.0000 12578.2178 1.99% - 0s 0 0 12578.3879 0 67 12833.0000 12578.3879 1.98% - 0s 0 2 12578.9479 0 67 12833.0000 12578.9479 1.98% - 1s * 47 21 46 12832.000000 12624.0000 1.62% 5.5 1s * 137 61 13 12823.000000 12644.1875 1.39% 7.1 1s * 542 147 9 12822.000000 12707.7143 0.89% 5.7 2s Cutting planes: Gomory: 4 Zero half: 8 Explored 1410 nodes (8863 simplex iterations) in 4.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282200000000e+04, best bound 1.282200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (13, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 515 rows, 1128 columns and 127861 nonzeros Presolve time: 0.07s Presolved: 515 rows, 1128 columns, 127861 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12886.000000 12543.1667 2.66% - 0s 0 0 12561.0526 0 40 12886.0000 12561.0526 2.52% - 0s 0 0 12561.0526 0 42 12886.0000 12561.0526 2.52% - 0s 0 0 12561.0526 0 40 12886.0000 12561.0526 2.52% - 0s 0 0 12561.1496 0 48 12886.0000 12561.1496 2.52% - 0s 0 0 12571.5714 0 29 12886.0000 12571.5714 2.44% - 0s 0 0 12572.1667 0 31 12886.0000 12572.1667 2.44% - 0s 0 0 12572.3056 0 39 12886.0000 12572.3056 2.43% - 0s 0 0 12572.8456 0 49 12886.0000 12572.8456 2.43% - 0s 0 0 12573.0373 0 49 12886.0000 12573.0373 2.43% - 0s 0 0 12573.0589 0 61 12886.0000 12573.0589 2.43% - 0s 0 0 12573.9122 0 62 12886.0000 12573.9122 2.42% - 0s 0 0 12574.4966 0 50 12886.0000 12574.4966 2.42% - 0s 0 0 12574.6963 0 56 12886.0000 12574.6963 2.42% - 0s 0 0 12574.7327 0 66 12886.0000 12574.7327 2.42% - 0s 0 0 12574.7602 0 68 12886.0000 12574.7602 2.42% - 0s 0 0 12575.0265 0 64 12886.0000 12575.0265 2.41% - 0s 0 0 12575.0369 0 67 12886.0000 12575.0369 2.41% - 0s H 0 0 12882.000000 12575.0369 2.38% - 1s H 0 0 12860.000000 12575.0369 2.22% - 1s 0 2 12575.0589 0 67 12860.0000 12575.0589 2.22% - 1s * 41 20 39 12857.000000 12595.4714 2.03% 4.1 1s * 101 57 27 12825.000000 12608.0000 1.69% 5.0 1s * 193 92 27 12824.000000 12639.6667 1.44% 5.4 1s * 319 120 14 12823.000000 12672.2000 1.18% 5.1 1s * 733 152 22 12822.000000 12725.0000 0.76% 5.4 2s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 1 Explored 1087 nodes (6214 simplex iterations) in 2.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282200000000e+04, best bound 1.282100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 516 rows, 1128 columns and 128161 nonzeros Presolve time: 0.07s Presolved: 516 rows, 1128 columns, 128161 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12543.1667 2.98% - 0s 0 0 12561.0526 0 40 12928.0000 12561.0526 2.84% - 0s 0 0 12561.0526 0 42 12928.0000 12561.0526 2.84% - 0s H 0 0 12882.000000 12561.0526 2.49% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12561.1773 0 48 12882.0000 12561.1773 2.49% - 0s 0 0 12569.0000 0 27 12882.0000 12569.0000 2.43% - 0s 0 0 12569.2143 0 41 12882.0000 12569.2143 2.43% - 0s 0 0 12570.5714 0 53 12882.0000 12570.5714 2.42% - 0s 0 0 12571.1414 0 41 12882.0000 12571.1414 2.41% - 0s 0 0 12572.8356 0 53 12882.0000 12572.8356 2.40% - 0s 0 0 12573.0323 0 61 12882.0000 12573.0323 2.40% - 0s 0 0 12574.6473 0 46 12882.0000 12574.6473 2.39% - 0s 0 0 12574.7746 0 62 12882.0000 12574.7746 2.38% - 0s 0 0 12575.1270 0 65 12882.0000 12575.1270 2.38% - 0s 0 0 12575.7660 0 58 12882.0000 12575.7660 2.38% - 0s 0 0 12575.8723 0 63 12882.0000 12575.8723 2.38% - 0s 0 0 12575.9859 0 60 12882.0000 12575.9859 2.38% - 0s 0 0 12576.1483 0 68 12882.0000 12576.1483 2.37% - 0s 0 0 12576.5073 0 62 12882.0000 12576.5073 2.37% - 0s H 0 0 12844.000000 12576.5073 2.08% - 1s 0 2 12577.1334 0 62 12844.0000 12577.1334 2.08% - 1s * 112 57 54 12834.000000 12620.7500 1.66% 3.8 1s * 216 108 10 12825.000000 12627.4808 1.54% 4.5 1s * 265 107 16 12823.000000 12634.6250 1.47% 4.7 1s * 772 153 15 12822.000000 12728.0000 0.73% 5.7 2s Cutting planes: Gomory: 5 Zero half: 11 Explored 1084 nodes (6485 simplex iterations) in 2.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282200000000e+04, best bound 1.282200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 517 rows, 1128 columns and 128414 nonzeros Presolve time: 0.07s Presolved: 517 rows, 1128 columns, 128414 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12862.000000 12543.1667 2.48% - 0s 0 0 12561.0526 0 40 12862.0000 12561.0526 2.34% - 0s 0 0 12561.0526 0 42 12862.0000 12561.0526 2.34% - 0s 0 0 12561.0526 0 40 12862.0000 12561.0526 2.34% - 0s 0 0 12561.1603 0 48 12862.0000 12561.1603 2.34% - 0s H 0 0 12824.000000 12561.1603 2.05% - 0s 0 0 12569.6508 0 28 12824.0000 12569.6508 1.98% - 0s 0 0 12571.7804 0 48 12824.0000 12571.7804 1.97% - 0s 0 0 12572.6381 0 43 12824.0000 12572.6381 1.96% - 0s 0 0 12572.7213 0 50 12824.0000 12572.7213 1.96% - 0s 0 0 12572.7392 0 61 12824.0000 12572.7392 1.96% - 0s 0 0 12574.4224 0 43 12824.0000 12574.4224 1.95% - 0s 0 0 12574.5189 0 53 12824.0000 12574.5189 1.95% - 0s 0 0 12574.7606 0 56 12824.0000 12574.7606 1.94% - 0s 0 0 12574.8307 0 56 12824.0000 12574.8307 1.94% - 0s 0 0 12574.8677 0 63 12824.0000 12574.8677 1.94% - 0s 0 0 12575.8596 0 55 12824.0000 12575.8596 1.93% - 0s 0 0 12576.0127 0 59 12824.0000 12576.0127 1.93% - 0s 0 0 12576.0698 0 60 12824.0000 12576.0698 1.93% - 0s 0 0 12576.0907 0 64 12824.0000 12576.0907 1.93% - 0s 0 0 12576.2688 0 58 12824.0000 12576.2688 1.93% - 0s 0 0 12576.2717 0 68 12824.0000 12576.2717 1.93% - 0s 0 0 12576.7600 0 64 12824.0000 12576.7600 1.93% - 0s 0 2 12576.9013 0 64 12824.0000 12576.9013 1.93% - 1s H 27 11 12823.000000 12609.0000 1.67% 8.6 1s * 666 137 16 12822.000000 12724.4286 0.76% 5.9 2s Cutting planes: Gomory: 6 Zero half: 19 Explored 954 nodes (5901 simplex iterations) in 2.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282200000000e+04, best bound 1.282100000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 518 rows, 1128 columns and 128714 nonzeros Presolve time: 0.07s Presolved: 518 rows, 1128 columns, 128714 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12830.000000 12543.1667 2.24% - 0s 0 0 12561.0526 0 40 12830.0000 12561.0526 2.10% - 0s 0 0 12561.0526 0 42 12830.0000 12561.0526 2.10% - 0s 0 0 12561.0526 0 40 12830.0000 12561.0526 2.10% - 0s 0 0 12565.4396 0 48 12830.0000 12565.4396 2.06% - 0s 0 0 12569.8062 0 37 12830.0000 12569.8062 2.03% - 0s 0 0 12569.9979 0 45 12830.0000 12569.9979 2.03% - 0s 0 0 12570.8019 0 37 12830.0000 12570.8019 2.02% - 0s 0 0 12570.9373 0 51 12830.0000 12570.9373 2.02% - 0s 0 0 12571.0290 0 51 12830.0000 12571.0290 2.02% - 0s 0 0 12572.8889 0 34 12830.0000 12572.8889 2.00% - 0s 0 0 12573.6016 0 53 12830.0000 12573.6016 2.00% - 0s 0 0 12574.0894 0 55 12830.0000 12574.0894 1.99% - 0s 0 0 12574.4267 0 52 12830.0000 12574.4267 1.99% - 0s 0 0 12574.5000 0 38 12830.0000 12574.5000 1.99% - 0s 0 0 12574.5739 0 60 12830.0000 12574.5739 1.99% - 0s 0 0 12575.0927 0 60 12830.0000 12575.0927 1.99% - 0s 0 0 12575.4286 0 42 12830.0000 12575.4286 1.98% - 0s 0 0 12575.5588 0 58 12830.0000 12575.5588 1.98% - 0s 0 0 12575.6848 0 56 12830.0000 12575.6848 1.98% - 0s 0 0 12575.9233 0 62 12830.0000 12575.9233 1.98% - 0s 0 0 12576.2967 0 61 12830.0000 12576.2967 1.98% - 0s 0 0 12576.3633 0 71 12830.0000 12576.3633 1.98% - 0s 0 0 12576.8333 0 58 12830.0000 12576.8333 1.97% - 0s 0 0 12576.9782 0 61 12830.0000 12576.9782 1.97% - 0s 0 0 12576.9892 0 63 12830.0000 12576.9892 1.97% - 0s 0 0 12577.1988 0 60 12830.0000 12577.1988 1.97% - 1s 0 0 12577.3653 0 65 12830.0000 12577.3653 1.97% - 1s 0 0 12577.4772 0 60 12830.0000 12577.4772 1.97% - 1s 0 0 12577.5649 0 69 12830.0000 12577.5649 1.97% - 1s 0 0 12578.4696 0 58 12830.0000 12578.4696 1.96% - 1s 0 0 12578.8047 0 60 12830.0000 12578.8047 1.96% - 1s 0 0 12578.8917 0 65 12830.0000 12578.8917 1.96% - 1s 0 0 12579.1224 0 63 12830.0000 12579.1224 1.96% - 1s 0 0 12579.1850 0 71 12830.0000 12579.1850 1.95% - 1s 0 0 12579.2972 0 65 12830.0000 12579.2972 1.95% - 1s 0 0 12579.4237 0 61 12830.0000 12579.4237 1.95% - 1s H 0 0 12825.000000 12579.4237 1.91% - 1s 0 2 12579.4525 0 61 12825.0000 12579.4525 1.91% - 1s * 229 78 12 12823.000000 12647.7268 1.37% 8.3 2s Cutting planes: Gomory: 5 Zero half: 26 Explored 1028 nodes (7963 simplex iterations) in 3.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282300000000e+04, best bound 1.282200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 47)] Optimize a model with 519 rows, 1128 columns and 128945 nonzeros Presolve time: 0.07s Presolved: 519 rows, 1128 columns, 128945 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 13056.000000 12543.1667 3.93% - 0s 0 0 12561.0526 0 40 13056.0000 12561.0526 3.79% - 0s 0 0 12561.0526 0 42 13056.0000 12561.0526 3.79% - 0s H 0 0 12874.000000 12561.0526 2.43% - 0s 0 0 12561.0526 0 40 12874.0000 12561.0526 2.43% - 0s 0 2 12577.2500 0 40 12874.0000 12577.2500 2.31% - 0s H 1 2 12834.000000 12577.2500 2.00% 0.0 0s * 46 23 27 12831.000000 12601.8736 1.79% 12.4 2s H 75 22 12825.000000 12601.8736 1.74% 9.3 2s * 101 32 28 12824.000000 12617.6495 1.61% 9.2 2s * 309 79 23 12823.000000 12696.0000 0.99% 7.3 2s Cutting planes: Gomory: 9 Zero half: 7 Mod-K: 2 Explored 843 nodes (5555 simplex iterations) in 3.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282300000000e+04, best bound 1.282300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 520 rows, 1128 columns and 129221 nonzeros Presolve time: 0.07s Presolved: 520 rows, 1128 columns, 129221 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12928.000000 12543.1667 2.98% - 0s 0 0 12561.0526 0 40 12928.0000 12561.0526 2.84% - 0s 0 0 12561.0526 0 42 12928.0000 12561.0526 2.84% - 0s 0 0 12561.0526 0 40 12928.0000 12561.0526 2.84% - 0s 0 0 12561.1773 0 48 12928.0000 12561.1773 2.84% - 0s 0 0 12569.0000 0 27 12928.0000 12569.0000 2.78% - 0s 0 0 12569.3125 0 35 12928.0000 12569.3125 2.77% - 0s 0 0 12572.2000 0 28 12928.0000 12572.2000 2.75% - 0s 0 0 12573.3774 0 29 12928.0000 12573.3774 2.74% - 0s 0 0 12573.5000 0 41 12928.0000 12573.5000 2.74% - 0s 0 0 12573.6271 0 38 12928.0000 12573.6271 2.74% - 0s 0 0 12574.0124 0 61 12928.0000 12574.0124 2.74% - 0s 0 0 12574.7778 0 48 12928.0000 12574.7778 2.73% - 0s 0 0 12574.8444 0 53 12928.0000 12574.8444 2.73% - 0s 0 0 12575.0052 0 62 12928.0000 12575.0052 2.73% - 0s 0 0 12575.1754 0 64 12928.0000 12575.1754 2.73% - 0s 0 0 12576.2980 0 38 12928.0000 12576.2980 2.72% - 0s 0 0 12576.4549 0 62 12928.0000 12576.4549 2.72% - 0s 0 0 12577.0795 0 54 12928.0000 12577.0795 2.71% - 0s 0 0 12577.2946 0 58 12928.0000 12577.2946 2.71% - 0s 0 0 12577.2952 0 63 12928.0000 12577.2952 2.71% - 0s 0 0 12577.4615 0 66 12928.0000 12577.4615 2.71% - 1s 0 0 12577.5552 0 66 12928.0000 12577.5552 2.71% - 1s 0 0 12577.8577 0 62 12928.0000 12577.8577 2.71% - 1s 0 0 12578.1378 0 63 12928.0000 12578.1378 2.71% - 1s 0 0 12578.1466 0 61 12928.0000 12578.1466 2.71% - 1s 0 0 12578.2381 0 66 12928.0000 12578.2381 2.71% - 1s 0 0 12578.2923 0 69 12928.0000 12578.2923 2.71% - 1s 0 0 12578.5864 0 63 12928.0000 12578.5864 2.70% - 1s 0 0 12578.5898 0 68 12928.0000 12578.5898 2.70% - 1s H 0 0 12882.000000 12578.5898 2.36% - 1s H 0 0 12843.000000 12578.5898 2.06% - 1s 0 2 12578.6625 0 68 12843.0000 12578.6625 2.06% - 1s * 22 16 18 12827.000000 12604.9778 1.73% 10.9 1s H 404 141 12825.000000 12664.6250 1.25% 6.8 2s * 547 165 10 12823.000000 12678.5294 1.13% 6.5 2s Cutting planes: Gomory: 5 Zero half: 28 Explored 1472 nodes (9275 simplex iterations) in 3.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282300000000e+04, best bound 1.282200000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (12, 21), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 521 rows, 1128 columns and 129474 nonzeros Presolve time: 0.07s Presolved: 521 rows, 1128 columns, 129474 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12543.1667 2.26% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 42 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12565.4177 0 48 12833.0000 12565.4177 2.09% - 0s 0 0 12570.2000 0 37 12833.0000 12570.2000 2.05% - 0s 0 0 12571.6813 0 37 12833.0000 12571.6813 2.04% - 0s 0 0 12572.5000 0 29 12833.0000 12572.5000 2.03% - 0s 0 0 12572.8125 0 37 12833.0000 12572.8125 2.03% - 0s 0 0 12574.0123 0 52 12833.0000 12574.0123 2.02% - 0s 0 0 12574.1210 0 60 12833.0000 12574.1210 2.02% - 0s 0 0 12575.1780 0 53 12833.0000 12575.1780 2.01% - 0s 0 0 12575.2704 0 61 12833.0000 12575.2704 2.01% - 0s 0 0 12575.6250 0 40 12833.0000 12575.6250 2.01% - 0s 0 0 12575.8916 0 64 12833.0000 12575.8916 2.00% - 0s 0 0 12576.5235 0 63 12833.0000 12576.5235 2.00% - 0s 0 0 12577.2182 0 59 12833.0000 12577.2182 1.99% - 0s 0 0 12577.3042 0 64 12833.0000 12577.3042 1.99% - 0s 0 0 12577.3547 0 56 12833.0000 12577.3547 1.99% - 0s 0 0 12577.3692 0 72 12833.0000 12577.3692 1.99% - 0s 0 2 12577.4695 0 72 12833.0000 12577.4695 1.99% - 1s * 107 43 17 12832.000000 12622.8967 1.63% 5.5 1s * 315 106 25 12824.000000 12664.5455 1.24% 6.2 1s * 1446 73 21 12823.000000 12753.5000 0.54% 6.0 4s Cutting planes: Gomory: 4 Zero half: 5 Explored 1613 nodes (9783 simplex iterations) in 4.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282300000000e+04, best bound 1.282300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 36), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 522 rows, 1128 columns and 129774 nonzeros Presolve time: 0.07s Presolved: 522 rows, 1128 columns, 129774 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12946.000000 12543.1667 3.11% - 0s 0 0 12561.0526 0 40 12946.0000 12561.0526 2.97% - 0s 0 0 12561.0526 0 42 12946.0000 12561.0526 2.97% - 0s H 0 0 12882.000000 12561.0526 2.49% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12561.1447 0 48 12882.0000 12561.1447 2.49% - 0s 0 0 12572.0000 0 27 12882.0000 12572.0000 2.41% - 0s 0 0 12572.3000 0 35 12882.0000 12572.3000 2.40% - 0s 0 0 12573.8824 0 31 12882.0000 12573.8824 2.39% - 0s 0 0 12574.6151 0 61 12882.0000 12574.6151 2.39% - 0s 0 0 12575.3905 0 61 12882.0000 12575.3905 2.38% - 0s 0 0 12575.5441 0 37 12882.0000 12575.5441 2.38% - 0s 0 0 12575.8235 0 45 12882.0000 12575.8235 2.38% - 0s 0 0 12576.8719 0 57 12882.0000 12576.8719 2.37% - 0s 0 0 12576.9475 0 64 12882.0000 12576.9475 2.37% - 0s 0 0 12577.6043 0 60 12882.0000 12577.6043 2.36% - 0s 0 0 12577.7369 0 60 12882.0000 12577.7369 2.36% - 0s 0 0 12577.8492 0 64 12882.0000 12577.8492 2.36% - 0s 0 0 12577.8646 0 69 12882.0000 12577.8646 2.36% - 0s 0 0 12578.4507 0 68 12882.0000 12578.4507 2.36% - 0s 0 0 12578.6841 0 55 12882.0000 12578.6841 2.35% - 0s 0 0 12578.6841 0 55 12882.0000 12578.6841 2.35% - 1s 0 2 12578.7504 0 55 12882.0000 12578.7504 2.35% - 1s H 27 22 12870.000000 12596.6000 2.12% 9.6 1s * 58 29 56 12867.000000 12596.6000 2.10% 5.9 1s * 69 34 13 12858.000000 12600.1712 2.01% 6.3 1s * 72 31 11 12833.000000 12600.1712 1.81% 6.2 1s * 162 73 15 12831.000000 12637.0000 1.51% 7.0 2s * 174 71 9 12827.000000 12640.0000 1.46% 7.1 2s * 335 113 23 12824.000000 12683.0000 1.10% 6.8 2s Cutting planes: Gomory: 5 Zero half: 17 Explored 932 nodes (6112 simplex iterations) in 2.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282400000000e+04, best bound 1.282400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 36), (13, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 523 rows, 1128 columns and 130050 nonzeros Presolve time: 0.07s Presolved: 523 rows, 1128 columns, 130050 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start 0 0 12561.0526 0 40 47372.0000 12561.0526 73.5% - 0s 0 0 12561.1754 0 48 47372.0000 12561.1754 73.5% - 0s 0 0 12569.8410 0 45 47372.0000 12569.8410 73.5% - 0s 0 0 12572.5833 0 36 47372.0000 12572.5833 73.5% - 0s 0 0 12572.9429 0 48 47372.0000 12572.9429 73.5% - 0s 0 0 12573.3627 0 39 47372.0000 12573.3627 73.5% - 0s 0 0 12573.8964 0 60 47372.0000 12573.8964 73.5% - 0s 0 0 12574.6848 0 54 47372.0000 12574.6848 73.5% - 0s 0 0 12574.7718 0 62 47372.0000 12574.7718 73.5% - 0s 0 0 12575.1612 0 48 47372.0000 12575.1612 73.5% - 0s 0 0 12575.2851 0 57 47372.0000 12575.2851 73.5% - 0s 0 0 12575.3925 0 57 47372.0000 12575.3925 73.5% - 0s 0 0 12575.4574 0 61 47372.0000 12575.4574 73.5% - 0s 0 0 12575.8245 0 62 47372.0000 12575.8245 73.5% - 0s H 0 0 13200.000000 12575.8245 4.73% - 1s H 0 0 13149.000000 12575.8245 4.36% - 1s H 0 0 12834.000000 12575.8245 2.01% - 1s 0 0 12575.8245 0 42 12834.0000 12575.8245 2.01% - 1s 0 0 12575.8245 0 55 12834.0000 12575.8245 2.01% - 1s 0 0 12575.8245 0 39 12834.0000 12575.8245 2.01% - 1s 0 0 12575.8245 0 67 12834.0000 12575.8245 2.01% - 1s 0 0 12575.8245 0 59 12834.0000 12575.8245 2.01% - 1s 0 0 12575.9426 0 67 12834.0000 12575.9426 2.01% - 1s 0 0 12576.8448 0 60 12834.0000 12576.8448 2.00% - 1s 0 0 12576.9624 0 61 12834.0000 12576.9624 2.00% - 1s 0 0 12577.1215 0 69 12834.0000 12577.1215 2.00% - 1s 0 0 12577.2066 0 68 12834.0000 12577.2066 2.00% - 1s 0 0 12578.1566 0 53 12834.0000 12578.1566 1.99% - 1s 0 0 12578.3872 0 54 12834.0000 12578.3872 1.99% - 1s 0 0 12578.4048 0 55 12834.0000 12578.4048 1.99% - 1s 0 0 12578.4118 0 58 12834.0000 12578.4118 1.99% - 1s 0 0 12578.4118 0 58 12834.0000 12578.4118 1.99% - 2s 0 2 12578.4667 0 58 12834.0000 12578.4667 1.99% - 2s H 27 15 12825.000000 12610.0000 1.68% 9.6 2s * 173 79 17 12824.000000 12653.0000 1.33% 7.1 2s Cutting planes: Gomory: 3 Cover: 1 Zero half: 18 Explored 1025 nodes (6704 simplex iterations) in 3.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282400000000e+04, best bound 1.282300000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (9, 40), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 524 rows, 1128 columns and 130326 nonzeros Presolve time: 0.07s Presolved: 524 rows, 1128 columns, 130326 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12841.000000 12543.1667 2.32% - 0s 0 0 12561.0526 0 40 12841.0000 12561.0526 2.18% - 0s 0 0 12561.0526 0 42 12841.0000 12561.0526 2.18% - 0s 0 0 12561.0526 0 40 12841.0000 12561.0526 2.18% - 0s 0 0 12565.4724 0 48 12841.0000 12565.4724 2.15% - 0s 0 0 12570.1461 0 37 12841.0000 12570.1461 2.11% - 0s 0 0 12570.3362 0 45 12841.0000 12570.3362 2.11% - 0s 0 0 12572.2402 0 42 12841.0000 12572.2402 2.09% - 0s 0 0 12573.8520 0 41 12841.0000 12573.8520 2.08% - 0s 0 0 12574.5407 0 48 12841.0000 12574.5407 2.08% - 0s 0 0 12574.6999 0 55 12841.0000 12574.6999 2.07% - 0s 0 0 12574.8479 0 54 12841.0000 12574.8479 2.07% - 0s 0 0 12574.9966 0 63 12841.0000 12574.9966 2.07% - 0s 0 0 12575.1864 0 57 12841.0000 12575.1864 2.07% - 0s 0 0 12575.3382 0 64 12841.0000 12575.3382 2.07% - 0s 0 0 12575.9167 0 63 12841.0000 12575.9167 2.06% - 0s 0 0 12576.3614 0 64 12841.0000 12576.3614 2.06% - 0s 0 0 12576.6721 0 69 12841.0000 12576.6721 2.06% - 0s 0 0 12577.0469 0 62 12841.0000 12577.0469 2.06% - 0s 0 0 12577.1279 0 70 12841.0000 12577.1279 2.05% - 0s 0 0 12577.7957 0 65 12841.0000 12577.7957 2.05% - 0s 0 0 12578.2047 0 66 12841.0000 12578.2047 2.05% - 0s 0 0 12578.3701 0 71 12841.0000 12578.3701 2.05% - 0s 0 0 12578.3873 0 67 12841.0000 12578.3873 2.05% - 0s 0 2 12578.4524 0 67 12841.0000 12578.4524 2.04% - 1s * 104 49 16 12834.000000 12625.3333 1.63% 6.9 1s * 292 112 18 12832.000000 12665.5000 1.30% 6.5 2s * 298 107 10 12825.000000 12667.9444 1.22% 6.5 2s * 346 116 16 12824.000000 12682.1429 1.11% 6.5 2s Cutting planes: Gomory: 4 Zero half: 6 Mod-K: 1 Explored 1651 nodes (10268 simplex iterations) in 4.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282400000000e+04, best bound 1.282400000000e+04, gap 0.0% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 525 rows, 1128 columns and 130536 nonzeros Presolve time: 0.07s Presolved: 525 rows, 1128 columns, 130536 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12834.000000 12543.1667 2.27% - 0s 0 0 12561.0526 0 40 12834.0000 12561.0526 2.13% - 0s 0 0 12561.0526 0 42 12834.0000 12561.0526 2.13% - 0s 0 0 12561.0526 0 40 12834.0000 12561.0526 2.13% - 0s 0 0 12565.4177 0 48 12834.0000 12565.4177 2.09% - 0s 0 0 12570.2000 0 37 12834.0000 12570.2000 2.06% - 0s 0 0 12571.6813 0 37 12834.0000 12571.6813 2.04% - 0s 0 0 12572.5000 0 29 12834.0000 12572.5000 2.04% - 0s 0 0 12572.8125 0 37 12834.0000 12572.8125 2.04% - 0s 0 0 12574.0123 0 52 12834.0000 12574.0123 2.03% - 0s 0 0 12574.1210 0 60 12834.0000 12574.1210 2.02% - 0s 0 0 12575.1780 0 53 12834.0000 12575.1780 2.02% - 0s 0 0 12575.2704 0 61 12834.0000 12575.2704 2.02% - 0s 0 0 12575.6250 0 40 12834.0000 12575.6250 2.01% - 0s 0 0 12575.8873 0 64 12834.0000 12575.8873 2.01% - 0s 0 0 12576.3973 0 53 12834.0000 12576.3973 2.01% - 0s 0 0 12576.6021 0 65 12834.0000 12576.6021 2.01% - 0s 0 0 12576.6167 0 58 12834.0000 12576.6167 2.01% - 0s 0 0 12576.6556 0 62 12834.0000 12576.6556 2.01% - 0s 0 0 12576.6732 0 66 12834.0000 12576.6732 2.01% - 0s 0 0 12576.7447 0 68 12834.0000 12576.7447 2.00% - 0s 0 0 12577.2484 0 68 12834.0000 12577.2484 2.00% - 0s 0 0 12577.3911 0 64 12834.0000 12577.3911 2.00% - 0s 0 0 12577.5693 0 70 12834.0000 12577.5693 2.00% - 0s 0 0 12578.0188 0 61 12834.0000 12578.0188 1.99% - 0s 0 0 12578.2279 0 65 12834.0000 12578.2279 1.99% - 0s 0 0 12578.6105 0 64 12834.0000 12578.6105 1.99% - 0s 0 0 12578.8101 0 70 12834.0000 12578.8101 1.99% - 1s 0 0 12579.0265 0 66 12834.0000 12579.0265 1.99% - 1s 0 0 12579.3337 0 72 12834.0000 12579.3337 1.98% - 1s 0 0 12579.9974 0 65 12834.0000 12579.9974 1.98% - 1s 0 2 12580.0461 0 65 12834.0000 12580.0461 1.98% - 1s H 27 13 12825.000000 12598.5101 1.77% 10.2 1s * 804 151 20 12824.000000 12709.5000 0.89% 7.1 4s 1419 151 cutoff 26 12824.0000 12727.0833 0.76% 6.6 5s Cutting planes: Gomory: 4 Zero half: 12 Explored 1776 nodes (11680 simplex iterations) in 5.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282400000000e+04, best bound 1.282300000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 40), (7, 37), (7, 28), (9, 38), (9, 40), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 526 rows, 1128 columns and 130746 nonzeros Presolve time: 0.07s Presolved: 526 rows, 1128 columns, 130746 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12888.000000 12543.1667 2.68% - 0s 0 0 12561.0526 0 40 12888.0000 12561.0526 2.54% - 0s 0 0 12561.0526 0 42 12888.0000 12561.0526 2.54% - 0s 0 0 12561.0526 0 40 12888.0000 12561.0526 2.54% - 0s 0 0 12561.1842 0 48 12888.0000 12561.1842 2.54% - 0s 0 0 12569.0000 0 24 12888.0000 12569.0000 2.48% - 0s 0 0 12571.2446 0 41 12888.0000 12571.2446 2.46% - 0s 0 0 12571.3017 0 49 12888.0000 12571.3017 2.46% - 0s 0 0 12571.6964 0 46 12888.0000 12571.6964 2.45% - 0s 0 0 12571.9091 0 56 12888.0000 12571.9091 2.45% - 0s 0 0 12572.4464 0 43 12888.0000 12572.4464 2.45% - 0s 0 0 12572.5804 0 51 12888.0000 12572.5804 2.45% - 0s 0 0 12572.7198 0 61 12888.0000 12572.7198 2.45% - 0s 0 0 12573.9365 0 53 12888.0000 12573.9365 2.44% - 0s 0 0 12574.0420 0 61 12888.0000 12574.0420 2.44% - 0s 0 0 12574.5456 0 56 12888.0000 12574.5456 2.43% - 0s 0 0 12574.8292 0 56 12888.0000 12574.8292 2.43% - 0s 0 0 12575.1720 0 64 12888.0000 12575.1720 2.43% - 0s 0 0 12575.9849 0 38 12888.0000 12575.9849 2.42% - 0s 0 0 12576.1711 0 47 12888.0000 12576.1711 2.42% - 0s 0 0 12576.4553 0 52 12888.0000 12576.4553 2.42% - 0s 0 0 12576.5128 0 60 12888.0000 12576.5128 2.42% - 0s 0 0 12576.6924 0 60 12888.0000 12576.6924 2.42% - 0s 0 0 12576.8632 0 56 12888.0000 12576.8632 2.41% - 0s 0 0 12576.8711 0 59 12888.0000 12576.8711 2.41% - 0s 0 0 12577.2112 0 61 12888.0000 12577.2112 2.41% - 1s 0 0 12577.5286 0 62 12888.0000 12577.5286 2.41% - 1s 0 0 12577.8693 0 66 12888.0000 12577.8693 2.41% - 1s 0 0 12577.9316 0 66 12888.0000 12577.9316 2.41% - 1s 0 0 12578.2277 0 65 12888.0000 12578.2277 2.40% - 1s 0 0 12578.2644 0 66 12888.0000 12578.2644 2.40% - 1s H 0 0 12882.000000 12578.2644 2.36% - 1s H 0 0 12860.000000 12578.2644 2.19% - 1s 0 2 12580.2217 0 66 12860.0000 12580.2217 2.18% - 1s * 68 40 30 12859.000000 12602.7143 1.99% 5.7 2s * 88 45 16 12839.000000 12616.5000 1.73% 5.8 2s * 154 81 18 12836.000000 12635.0000 1.57% 7.0 2s * 168 82 25 12828.000000 12635.0000 1.50% 6.7 2s H 305 120 12826.000000 12663.0000 1.27% 5.9 2s H 889 146 12825.000000 12704.0000 0.94% 6.4 4s * 1115 106 22 12824.000000 12722.0000 0.80% 6.3 4s Cutting planes: Gomory: 3 Zero half: 9 Explored 1470 nodes (9245 simplex iterations) in 4.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282400000000e+04, best bound 1.282300000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 527 rows, 1128 columns and 130999 nonzeros Presolve time: 0.07s Presolved: 527 rows, 1128 columns, 130999 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12836.000000 12543.1667 2.28% - 0s 0 0 12561.0526 0 40 12836.0000 12561.0526 2.14% - 0s 0 0 12561.0526 0 42 12836.0000 12561.0526 2.14% - 0s 0 0 12561.0526 0 40 12836.0000 12561.0526 2.14% - 0s 0 0 12561.1842 0 48 12836.0000 12561.1842 2.14% - 0s 0 0 12568.9167 0 28 12836.0000 12568.9167 2.08% - 0s 0 0 12571.4037 0 46 12836.0000 12571.4037 2.06% - 0s 0 0 12571.7804 0 48 12836.0000 12571.7804 2.06% - 0s 0 0 12572.5650 0 53 12836.0000 12572.5650 2.05% - 0s 0 0 12572.7412 0 51 12836.0000 12572.7412 2.05% - 0s 0 0 12572.7970 0 60 12836.0000 12572.7970 2.05% - 0s 0 0 12573.2167 0 46 12836.0000 12573.2167 2.05% - 0s 0 0 12573.3889 0 58 12836.0000 12573.3889 2.05% - 0s 0 0 12573.6943 0 57 12836.0000 12573.6943 2.04% - 0s 0 0 12573.7375 0 64 12836.0000 12573.7375 2.04% - 0s 0 0 12574.0872 0 57 12836.0000 12574.0872 2.04% - 0s 0 0 12574.8876 0 53 12836.0000 12574.8876 2.03% - 0s 0 0 12575.0020 0 63 12836.0000 12575.0020 2.03% - 0s 0 0 12575.2118 0 64 12836.0000 12575.2118 2.03% - 0s 0 0 12575.3577 0 68 12836.0000 12575.3577 2.03% - 0s 0 0 12576.2690 0 46 12836.0000 12576.2690 2.02% - 0s 0 0 12576.3426 0 54 12836.0000 12576.3426 2.02% - 0s 0 0 12577.2086 0 56 12836.0000 12577.2086 2.02% - 0s 0 0 12577.2987 0 63 12836.0000 12577.2987 2.02% - 0s 0 0 12577.3345 0 65 12836.0000 12577.3345 2.02% - 0s 0 0 12577.4694 0 66 12836.0000 12577.4694 2.01% - 0s 0 2 12578.1218 0 66 12836.0000 12578.1218 2.01% - 1s * 93 46 34 12835.000000 12620.7778 1.67% 4.9 1s * 107 53 17 12834.000000 12622.1875 1.65% 5.1 1s * 228 108 19 12830.000000 12635.6143 1.52% 5.4 1s * 370 153 14 12829.000000 12651.9444 1.38% 5.4 2s * 373 152 15 12827.000000 12651.9444 1.36% 5.4 2s * 693 207 31 12825.000000 12686.0625 1.08% 6.2 3s Cutting planes: Gomory: 4 Zero half: 8 Explored 1806 nodes (10869 simplex iterations) in 4.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282500000000e+04, best bound 1.282400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 24), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 528 rows, 1128 columns and 131189 nonzeros Presolve time: 0.07s Presolved: 528 rows, 1128 columns, 131189 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12948.000000 12543.1667 3.13% - 0s 0 0 12561.0526 0 40 12948.0000 12561.0526 2.99% - 0s 0 0 12561.0526 0 42 12948.0000 12561.0526 2.99% - 0s 0 0 12561.0526 0 40 12948.0000 12561.0526 2.99% - 0s 0 0 12561.1447 0 48 12948.0000 12561.1447 2.99% - 0s 0 0 12572.0000 0 23 12948.0000 12572.0000 2.90% - 0s 0 0 12572.7696 0 35 12948.0000 12572.7696 2.90% - 0s 0 0 12573.9440 0 37 12948.0000 12573.9440 2.89% - 0s 0 0 12574.6296 0 49 12948.0000 12574.6296 2.88% - 0s 0 0 12574.6477 0 53 12948.0000 12574.6477 2.88% - 0s 0 0 12574.7820 0 61 12948.0000 12574.7820 2.88% - 0s 0 0 12575.0802 0 48 12948.0000 12575.0802 2.88% - 0s 0 0 12575.2819 0 64 12948.0000 12575.2819 2.88% - 0s 0 0 12576.5074 0 33 12948.0000 12576.5074 2.87% - 0s 0 0 12576.6595 0 55 12948.0000 12576.6595 2.87% - 0s 0 0 12577.2251 0 55 12948.0000 12577.2251 2.86% - 0s 0 0 12577.2767 0 54 12948.0000 12577.2767 2.86% - 0s 0 0 12577.3144 0 64 12948.0000 12577.3144 2.86% - 0s 0 0 12577.3845 0 59 12948.0000 12577.3845 2.86% - 1s 0 0 12577.4453 0 64 12948.0000 12577.4453 2.86% - 1s 0 0 12577.4748 0 63 12948.0000 12577.4748 2.86% - 1s 0 0 12577.6400 0 51 12948.0000 12577.6400 2.86% - 1s 0 0 12577.7686 0 55 12948.0000 12577.7686 2.86% - 1s 0 0 12577.7835 0 69 12948.0000 12577.7835 2.86% - 1s 0 0 12578.0342 0 70 12948.0000 12578.0342 2.86% - 1s 0 0 12579.0545 0 68 12948.0000 12579.0545 2.85% - 1s 0 0 12579.3818 0 65 12948.0000 12579.3818 2.85% - 1s H 0 0 12882.000000 12579.3818 2.35% - 1s H 0 0 12860.000000 12579.3818 2.18% - 1s H 0 0 12843.000000 12579.3818 2.05% - 1s 0 2 12580.0859 0 65 12843.0000 12580.0859 2.05% - 1s * 84 29 10 12841.000000 12624.0000 1.69% 6.2 2s * 207 86 14 12836.000000 12639.0000 1.53% 6.2 2s * 305 105 16 12835.000000 12657.0000 1.39% 6.2 2s * 413 135 14 12834.000000 12686.3333 1.15% 6.3 2s * 443 142 14 12830.000000 12687.8333 1.11% 6.2 2s * 448 141 17 12825.000000 12687.8333 1.07% 6.2 2s 1320 160 12772.0000 19 21 12825.0000 12711.3333 0.89% 6.8 5s * 1614 131 23 12824.000000 12745.1667 0.61% 6.7 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1902 nodes (12772 simplex iterations) in 5.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282400000000e+04, best bound 1.282400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 529 rows, 1128 columns and 131465 nonzeros Presolve time: 0.07s Presolved: 529 rows, 1128 columns, 131465 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12862.000000 12543.1667 2.48% - 0s 0 0 12561.0526 0 40 12862.0000 12561.0526 2.34% - 0s 0 0 12561.0526 0 42 12862.0000 12561.0526 2.34% - 0s 0 0 12561.0526 0 40 12862.0000 12561.0526 2.34% - 0s 0 0 12561.1603 0 48 12862.0000 12561.1603 2.34% - 0s 0 0 12568.9167 0 28 12862.0000 12568.9167 2.28% - 0s 0 0 12571.4037 0 46 12862.0000 12571.4037 2.26% - 0s 0 0 12571.7804 0 48 12862.0000 12571.7804 2.26% - 0s 0 0 12572.4016 0 54 12862.0000 12572.4016 2.25% - 0s 0 0 12572.6907 0 51 12862.0000 12572.6907 2.25% - 0s 0 0 12572.7039 0 57 12862.0000 12572.7039 2.25% - 0s 0 0 12572.8493 0 54 12862.0000 12572.8493 2.25% - 0s 0 0 12573.2246 0 57 12862.0000 12573.2246 2.25% - 0s 0 0 12573.5248 0 51 12862.0000 12573.5248 2.24% - 0s 0 0 12573.6232 0 60 12862.0000 12573.6232 2.24% - 0s 0 0 12573.9101 0 61 12862.0000 12573.9101 2.24% - 0s 0 0 12574.3474 0 57 12862.0000 12574.3474 2.24% - 0s 0 0 12574.4143 0 61 12862.0000 12574.4143 2.24% - 0s 0 0 12574.5336 0 62 12862.0000 12574.5336 2.24% - 0s 0 0 12574.8976 0 69 12862.0000 12574.8976 2.23% - 0s 0 0 12575.7917 0 56 12862.0000 12575.7917 2.23% - 0s 0 0 12575.8660 0 65 12862.0000 12575.8660 2.22% - 0s 0 0 12576.4364 0 59 12862.0000 12576.4364 2.22% - 0s 0 0 12576.5300 0 68 12862.0000 12576.5300 2.22% - 0s 0 0 12577.1060 0 63 12862.0000 12577.1060 2.22% - 0s 0 0 12577.2332 0 71 12862.0000 12577.2332 2.21% - 1s 0 0 12577.5141 0 65 12862.0000 12577.5141 2.21% - 1s 0 0 12577.6089 0 71 12862.0000 12577.6089 2.21% - 1s H 0 0 12853.000000 12577.6089 2.14% - 1s H 0 0 12843.000000 12577.6089 2.07% - 1s 0 2 12577.7424 0 71 12843.0000 12577.7424 2.07% - 1s * 194 86 8 12841.000000 12651.2222 1.48% 7.3 2s * 196 85 9 12835.000000 12651.2222 1.43% 7.3 2s * 292 111 17 12833.000000 12669.9167 1.27% 7.0 2s * 328 117 12 12830.000000 12673.4444 1.22% 6.8 2s * 331 116 11 12826.000000 12673.4444 1.19% 6.7 2s H 390 137 12825.000000 12684.4211 1.10% 6.6 2s Cutting planes: Gomory: 6 Zero half: 16 Explored 1246 nodes (7764 simplex iterations) in 3.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282500000000e+04, best bound 1.282400000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 530 rows, 1128 columns and 131718 nonzeros Presolve time: 0.07s Presolved: 530 rows, 1128 columns, 131718 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12834.000000 12543.1667 2.27% - 0s 0 0 12561.0526 0 40 12834.0000 12561.0526 2.13% - 0s 0 0 12561.0526 0 42 12834.0000 12561.0526 2.13% - 0s 0 0 12561.0526 0 40 12834.0000 12561.0526 2.13% - 0s 0 0 12565.4177 0 48 12834.0000 12565.4177 2.09% - 0s 0 0 12570.2000 0 37 12834.0000 12570.2000 2.06% - 0s 0 0 12571.6813 0 37 12834.0000 12571.6813 2.04% - 0s 0 0 12572.5000 0 29 12834.0000 12572.5000 2.04% - 0s 0 0 12572.8125 0 37 12834.0000 12572.8125 2.04% - 0s 0 0 12574.0123 0 52 12834.0000 12574.0123 2.03% - 0s 0 0 12574.1210 0 60 12834.0000 12574.1210 2.02% - 0s 0 0 12575.1780 0 53 12834.0000 12575.1780 2.02% - 0s 0 0 12575.2704 0 61 12834.0000 12575.2704 2.02% - 0s 0 0 12575.6250 0 40 12834.0000 12575.6250 2.01% - 0s 0 0 12575.8916 0 64 12834.0000 12575.8916 2.01% - 0s 0 0 12576.5227 0 62 12834.0000 12576.5227 2.01% - 0s 0 0 12576.6234 0 62 12834.0000 12576.6234 2.01% - 0s 0 0 12576.7052 0 50 12834.0000 12576.7052 2.00% - 0s 0 0 12576.7641 0 59 12834.0000 12576.7641 2.00% - 0s 0 0 12576.8393 0 64 12834.0000 12576.8393 2.00% - 0s 0 0 12576.9426 0 69 12834.0000 12576.9426 2.00% - 0s 0 0 12577.1986 0 64 12834.0000 12577.1986 2.00% - 0s 0 0 12577.8843 0 69 12834.0000 12577.8843 2.00% - 0s 0 0 12578.3959 0 70 12834.0000 12578.3959 1.99% - 0s 0 0 12578.4612 0 73 12834.0000 12578.4612 1.99% - 0s 0 0 12578.5520 0 74 12834.0000 12578.5520 1.99% - 1s 0 2 12578.6399 0 74 12834.0000 12578.6399 1.99% - 1s * 68 25 66 12832.000000 12602.5797 1.79% 5.5 1s * 186 81 17 12831.000000 12643.4717 1.46% 6.4 2s * 333 127 12 12829.000000 12672.9418 1.22% 5.9 2s * 935 149 7 12826.000000 12737.5000 0.69% 6.3 2s * 959 151 21 12825.000000 12738.5000 0.67% 6.3 2s Cutting planes: Gomory: 6 Zero half: 17 Mod-K: 2 Explored 1361 nodes (8613 simplex iterations) in 3.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282500000000e+04, best bound 1.282400000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (9, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 531 rows, 1128 columns and 131971 nonzeros Presolve time: 0.07s Presolved: 531 rows, 1128 columns, 131971 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12841.000000 12543.1667 2.32% - 0s 0 0 12543.3333 0 50 12841.0000 12543.3333 2.32% - 0s 0 0 12543.3333 0 42 12841.0000 12543.3333 2.32% - 0s 0 0 12560.9036 0 47 12841.0000 12560.9036 2.18% - 0s 0 0 12577.4412 0 22 12841.0000 12577.4412 2.05% - 0s 0 0 12579.7480 0 47 12841.0000 12579.7480 2.03% - 0s 0 0 12579.9559 0 52 12841.0000 12579.9559 2.03% - 0s 0 0 12580.0882 0 53 12841.0000 12580.0882 2.03% - 0s 0 0 12581.4513 0 27 12841.0000 12581.4513 2.02% - 0s 0 0 12581.7442 0 57 12841.0000 12581.7442 2.02% - 0s 0 0 12583.2623 0 50 12841.0000 12583.2623 2.01% - 0s 0 0 12583.2795 0 51 12841.0000 12583.2795 2.01% - 0s 0 0 12583.3155 0 57 12841.0000 12583.3155 2.01% - 0s 0 0 12583.3394 0 61 12841.0000 12583.3394 2.01% - 0s 0 0 12583.4815 0 61 12841.0000 12583.4815 2.01% - 0s 0 0 12583.5540 0 63 12841.0000 12583.5540 2.00% - 0s 0 0 12583.9377 0 54 12841.0000 12583.9377 2.00% - 0s 0 0 12584.1350 0 63 12841.0000 12584.1350 2.00% - 0s 0 0 12585.1107 0 57 12841.0000 12585.1107 1.99% - 0s 0 0 12585.3532 0 64 12841.0000 12585.3532 1.99% - 0s 0 0 12585.8845 0 69 12841.0000 12585.8845 1.99% - 0s 0 0 12585.9117 0 69 12841.0000 12585.9117 1.99% - 0s 0 0 12586.3493 0 67 12841.0000 12586.3493 1.98% - 1s 0 0 12586.6397 0 63 12841.0000 12586.6397 1.98% - 1s 0 0 12586.6789 0 68 12841.0000 12586.6789 1.98% - 1s 0 0 12586.6954 0 69 12841.0000 12586.6954 1.98% - 1s 0 2 12587.4093 0 69 12841.0000 12587.4093 1.97% - 1s * 191 72 14 12828.000000 12622.2935 1.60% 6.4 2s * 516 144 10 12826.000000 12679.0000 1.15% 6.1 2s * 723 165 33 12825.000000 12690.1037 1.05% 6.6 4s 1156 137 cutoff 22 12825.0000 12716.5000 0.85% 6.2 5s Cutting planes: Gomory: 3 Zero half: 8 Explored 1550 nodes (9538 simplex iterations) in 5.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282500000000e+04, best bound 1.282400000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 532 rows, 1128 columns and 132202 nonzeros Presolve time: 0.07s Presolved: 532 rows, 1128 columns, 132202 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12543.1667 2.26% - 0s 0 0 12543.3333 0 50 12833.0000 12543.3333 2.26% - 0s 0 0 12543.3333 0 42 12833.0000 12543.3333 2.26% - 0s 0 0 12560.9036 0 47 12833.0000 12560.9036 2.12% - 0s 0 0 12577.4412 0 22 12833.0000 12577.4412 1.99% - 0s 0 0 12579.7480 0 47 12833.0000 12579.7480 1.97% - 0s 0 0 12579.9559 0 52 12833.0000 12579.9559 1.97% - 0s 0 0 12580.1108 0 54 12833.0000 12580.1108 1.97% - 0s 0 0 12581.2205 0 56 12833.0000 12581.2205 1.96% - 0s 0 0 12582.1856 0 56 12833.0000 12582.1856 1.95% - 0s 0 0 12582.1856 0 59 12833.0000 12582.1856 1.95% - 0s 0 0 12582.6304 0 57 12833.0000 12582.6304 1.95% - 0s 0 0 12582.7018 0 62 12833.0000 12582.7018 1.95% - 0s 0 0 12583.3306 0 62 12833.0000 12583.3306 1.95% - 0s 0 0 12583.3950 0 63 12833.0000 12583.3950 1.95% - 0s 0 0 12583.9470 0 54 12833.0000 12583.9470 1.94% - 0s 0 0 12584.0224 0 62 12833.0000 12584.0224 1.94% - 0s 0 0 12584.4388 0 51 12833.0000 12584.4388 1.94% - 0s 0 0 12584.4768 0 68 12833.0000 12584.4768 1.94% - 0s 0 0 12585.5080 0 60 12833.0000 12585.5080 1.93% - 0s 0 0 12585.8324 0 62 12833.0000 12585.8324 1.93% - 0s 0 0 12586.5331 0 61 12833.0000 12586.5331 1.92% - 0s 0 0 12586.5541 0 68 12833.0000 12586.5541 1.92% - 0s 0 0 12586.8455 0 58 12833.0000 12586.8455 1.92% - 1s 0 0 12586.8481 0 59 12833.0000 12586.8481 1.92% - 1s 0 2 12587.5888 0 59 12833.0000 12587.5888 1.91% - 1s * 170 91 23 12827.000000 12633.8771 1.51% 5.6 2s * 1263 249 19 12826.000000 12707.2500 0.93% 6.1 4s 1478 188 12745.5000 16 25 12826.0000 12731.0000 0.74% 6.1 5s Cutting planes: Gomory: 3 Zero half: 9 Explored 2021 nodes (12091 simplex iterations) in 5.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282600000000e+04, best bound 1.282500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 533 rows, 1128 columns and 132478 nonzeros Presolve time: 0.07s Presolved: 533 rows, 1128 columns, 132478 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12917.000000 12543.1667 2.89% - 0s 0 0 12543.3333 0 50 12917.0000 12543.3333 2.89% - 0s 0 0 12543.3333 0 42 12917.0000 12543.3333 2.89% - 0s 0 0 12559.0000 0 31 12917.0000 12559.0000 2.77% - 0s 0 0 12567.7778 0 42 12917.0000 12567.7778 2.70% - 0s 0 0 12568.3368 0 44 12917.0000 12568.3368 2.70% - 0s 0 0 12573.4561 0 38 12917.0000 12573.4561 2.66% - 0s 0 0 12575.7018 0 41 12917.0000 12575.7018 2.64% - 0s 0 0 12577.3333 0 23 12917.0000 12577.3333 2.63% - 0s 0 0 12579.6810 0 31 12917.0000 12579.6810 2.61% - 0s 0 0 12579.7942 0 43 12917.0000 12579.7942 2.61% - 0s 0 0 12580.3282 0 38 12917.0000 12580.3282 2.61% - 0s 0 0 12580.5000 0 46 12917.0000 12580.5000 2.61% - 0s 0 0 12580.6627 0 50 12917.0000 12580.6627 2.60% - 0s 0 0 12580.7030 0 42 12917.0000 12580.7030 2.60% - 0s 0 0 12580.7164 0 50 12917.0000 12580.7164 2.60% - 0s 0 0 12580.7438 0 53 12917.0000 12580.7438 2.60% - 0s H 0 0 12882.000000 12580.7438 2.34% - 1s H 0 0 12843.000000 12580.7438 2.04% - 1s 0 2 12580.9142 0 53 12843.0000 12580.9142 2.04% - 1s * 36 20 33 12842.000000 12601.2391 1.87% 6.1 1s * 57 30 17 12835.000000 12609.6667 1.76% 6.8 1s * 87 43 16 12831.000000 12627.0000 1.59% 6.7 1s * 216 86 24 12829.000000 12656.1250 1.35% 6.6 1s * 253 91 22 12826.000000 12664.0000 1.26% 6.4 1s Cutting planes: Gomory: 5 Zero half: 7 Explored 1628 nodes (10138 simplex iterations) in 4.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282600000000e+04, best bound 1.282600000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 534 rows, 1128 columns and 132731 nonzeros Presolve time: 0.07s Presolved: 534 rows, 1128 columns, 132731 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12834.000000 12543.1667 2.27% - 0s 0 0 12543.3333 0 50 12834.0000 12543.3333 2.26% - 0s 0 0 12543.3333 0 42 12834.0000 12543.3333 2.26% - 0s 0 0 12560.9036 0 47 12834.0000 12560.9036 2.13% - 0s 0 0 12577.4412 0 22 12834.0000 12577.4412 2.00% - 0s 0 0 12579.7480 0 47 12834.0000 12579.7480 1.98% - 0s 0 0 12579.9559 0 52 12834.0000 12579.9559 1.98% - 0s 0 0 12580.1108 0 54 12834.0000 12580.1108 1.98% - 0s 0 0 12581.2205 0 56 12834.0000 12581.2205 1.97% - 0s 0 0 12582.1856 0 56 12834.0000 12582.1856 1.96% - 0s 0 0 12582.1856 0 59 12834.0000 12582.1856 1.96% - 0s 0 0 12582.6304 0 57 12834.0000 12582.6304 1.96% - 0s 0 0 12582.7018 0 62 12834.0000 12582.7018 1.96% - 0s 0 0 12582.9742 0 61 12834.0000 12582.9742 1.96% - 0s 0 0 12583.2281 0 60 12834.0000 12583.2281 1.95% - 0s 0 0 12583.5334 0 67 12834.0000 12583.5334 1.95% - 0s 0 0 12584.5408 0 55 12834.0000 12584.5408 1.94% - 0s 0 0 12585.1126 0 60 12834.0000 12585.1126 1.94% - 0s 0 0 12585.5841 0 59 12834.0000 12585.5841 1.94% - 0s 0 0 12585.6338 0 63 12834.0000 12585.6338 1.94% - 0s 0 0 12585.9406 0 62 12834.0000 12585.9406 1.93% - 0s 0 0 12586.0748 0 67 12834.0000 12586.0748 1.93% - 0s 0 0 12586.4588 0 67 12834.0000 12586.4588 1.93% - 0s 0 0 12586.5913 0 65 12834.0000 12586.5913 1.93% - 1s 0 0 12587.0992 0 53 12834.0000 12587.0992 1.92% - 1s 0 0 12587.4299 0 62 12834.0000 12587.4299 1.92% - 1s 0 0 12587.4380 0 62 12834.0000 12587.4380 1.92% - 1s 0 0 12587.4380 0 62 12834.0000 12587.4380 1.92% - 1s H 0 0 12830.000000 12587.4380 1.89% - 1s 0 2 12587.5428 0 62 12830.0000 12587.5428 1.89% - 1s H 27 21 12827.000000 12597.2821 1.79% 10.6 1s 1436 37 cutoff 23 12827.0000 12787.2054 0.31% 6.3 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1500 nodes (9679 simplex iterations) in 5.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282700000000e+04, best bound 1.282700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 24), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 535 rows, 1128 columns and 132941 nonzeros Presolve time: 0.07s Presolved: 535 rows, 1128 columns, 132941 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12948.000000 12543.1667 3.13% - 0s 0 0 12543.3333 0 50 12948.0000 12543.3333 3.13% - 0s 0 0 12543.3333 0 42 12948.0000 12543.3333 3.13% - 0s 0 0 12551.4773 0 49 12948.0000 12551.4773 3.06% - 0s 0 0 12560.3333 0 35 12948.0000 12560.3333 2.99% - 0s 0 0 12560.5119 0 43 12948.0000 12560.5119 2.99% - 0s H 0 0 12946.000000 12560.5119 2.98% - 0s 0 0 12561.3357 0 49 12946.0000 12561.3357 2.97% - 0s 0 0 12561.5258 0 54 12946.0000 12561.5258 2.97% - 0s 0 0 12561.6523 0 62 12946.0000 12561.6523 2.97% - 0s 0 0 12561.9436 0 65 12946.0000 12561.9436 2.97% - 0s 0 0 12562.8333 0 46 12946.0000 12562.8333 2.96% - 0s 0 0 12563.6635 0 49 12946.0000 12563.6635 2.95% - 0s 0 0 12563.7465 0 56 12946.0000 12563.7465 2.95% - 0s 0 0 12564.7086 0 64 12946.0000 12564.7086 2.95% - 0s 0 0 12565.1395 0 66 12946.0000 12565.1395 2.94% - 0s 0 0 12565.1432 0 68 12946.0000 12565.1432 2.94% - 0s 0 0 12565.2239 0 69 12946.0000 12565.2239 2.94% - 0s 0 0 12565.3414 0 64 12946.0000 12565.3414 2.94% - 0s 0 0 12565.5384 0 67 12946.0000 12565.5384 2.94% - 0s 0 0 12565.6292 0 70 12946.0000 12565.6292 2.94% - 1s 0 0 12565.9133 0 70 12946.0000 12565.9133 2.94% - 1s 0 0 12566.3595 0 61 12946.0000 12566.3595 2.93% - 1s 0 0 12566.6362 0 67 12946.0000 12566.6362 2.93% - 1s 0 0 12567.0423 0 68 12946.0000 12567.0423 2.93% - 1s 0 0 12567.2845 0 68 12946.0000 12567.2845 2.93% - 1s 0 0 12567.4662 0 72 12946.0000 12567.4662 2.92% - 1s 0 0 12567.8550 0 64 12946.0000 12567.8550 2.92% - 1s 0 0 12568.2971 0 61 12946.0000 12568.2971 2.92% - 1s 0 0 12568.4065 0 66 12946.0000 12568.4065 2.92% - 1s 0 0 12568.6338 0 67 12946.0000 12568.6338 2.91% - 1s 0 0 12568.7131 0 70 12946.0000 12568.7131 2.91% - 1s 0 0 12568.7301 0 70 12946.0000 12568.7301 2.91% - 1s 0 0 12568.7301 0 70 12946.0000 12568.7301 2.91% - 1s H 0 0 12882.000000 12568.7301 2.43% - 1s H 0 0 12873.000000 12568.7301 2.36% - 1s 0 2 12568.8627 0 70 12873.0000 12568.8627 2.36% - 2s * 56 27 25 12834.000000 12594.5000 1.87% 8.6 2s * 162 76 12 12833.000000 12627.4286 1.60% 6.9 2s * 170 74 13 12832.000000 12627.4286 1.59% 6.8 2s * 184 74 11 12831.000000 12627.4286 1.59% 6.8 2s H 187 72 12828.000000 12635.6667 1.50% 6.8 2s * 243 95 16 12827.000000 12646.3286 1.41% 6.3 2s 969 135 12808.6667 21 27 12827.0000 12709.0000 0.92% 6.5 5s Cutting planes: Gomory: 1 Zero half: 9 Explored 1471 nodes (9400 simplex iterations) in 5.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282700000000e+04, best bound 1.282700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 536 rows, 1128 columns and 133266 nonzeros Presolve time: 0.07s Presolved: 536 rows, 1128 columns, 133266 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12916.000000 12543.1667 2.89% - 0s 0 0 12543.3333 0 50 12916.0000 12543.3333 2.89% - 0s 0 0 12543.3333 0 42 12916.0000 12543.3333 2.89% - 0s H 0 0 12882.000000 12543.3333 2.63% - 0s 0 0 12559.0000 0 31 12882.0000 12559.0000 2.51% - 0s 0 0 12561.0526 0 40 12882.0000 12561.0526 2.49% - 0s 0 0 12561.1773 0 48 12882.0000 12561.1773 2.49% - 0s 0 0 12562.0351 0 45 12882.0000 12562.0351 2.48% - 0s 0 0 12562.1597 0 53 12882.0000 12562.1597 2.48% - 0s 0 0 12562.2829 0 63 12882.0000 12562.2829 2.48% - 0s 0 0 12562.5497 0 57 12882.0000 12562.5497 2.48% - 0s 0 0 12562.8353 0 63 12882.0000 12562.8353 2.48% - 0s 0 0 12563.3267 0 66 12882.0000 12563.3267 2.47% - 0s 0 0 12563.8751 0 66 12882.0000 12563.8751 2.47% - 0s 0 0 12564.1447 0 49 12882.0000 12564.1447 2.47% - 0s 0 0 12564.5458 0 61 12882.0000 12564.5458 2.46% - 0s 0 0 12565.1243 0 63 12882.0000 12565.1243 2.46% - 0s 0 0 12565.2813 0 61 12882.0000 12565.2813 2.46% - 0s 0 0 12565.4585 0 55 12882.0000 12565.4585 2.46% - 0s 0 0 12565.5669 0 66 12882.0000 12565.5669 2.46% - 0s 0 0 12565.7945 0 65 12882.0000 12565.7945 2.45% - 0s 0 0 12565.8010 0 59 12882.0000 12565.8010 2.45% - 0s 0 0 12566.1392 0 68 12882.0000 12566.1392 2.45% - 0s 0 0 12566.3766 0 71 12882.0000 12566.3766 2.45% - 1s 0 0 12566.7583 0 75 12882.0000 12566.7583 2.45% - 1s 0 0 12566.8116 0 76 12882.0000 12566.8116 2.45% - 1s 0 0 12567.5942 0 68 12882.0000 12567.5942 2.44% - 1s 0 0 12567.6873 0 62 12882.0000 12567.6873 2.44% - 1s 0 0 12567.9757 0 65 12882.0000 12567.9757 2.44% - 1s 0 0 12568.6267 0 58 12882.0000 12568.6267 2.43% - 1s 0 0 12568.9701 0 51 12882.0000 12568.9701 2.43% - 1s 0 0 12569.0541 0 59 12882.0000 12569.0541 2.43% - 1s 0 2 12569.1727 0 59 12882.0000 12569.1727 2.43% - 1s * 44 19 41 12867.000000 12584.6111 2.19% 6.4 1s * 61 31 17 12835.000000 12612.0625 1.74% 7.1 2s * 101 47 11 12828.000000 12624.5000 1.59% 7.2 2s Cutting planes: Gomory: 2 Zero half: 12 Explored 1058 nodes (6403 simplex iterations) in 3.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282800000000e+04, best bound 1.282800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 537 rows, 1128 columns and 133542 nonzeros Presolve time: 0.07s Presolved: 537 rows, 1128 columns, 133542 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12947.000000 12543.1667 3.12% - 0s 0 0 12561.0526 0 40 12947.0000 12561.0526 2.98% - 0s 0 0 12561.0526 0 42 12947.0000 12561.0526 2.98% - 0s 0 0 12561.0526 0 40 12947.0000 12561.0526 2.98% - 0s 0 0 12561.1754 0 48 12947.0000 12561.1754 2.98% - 0s 0 0 12572.0000 0 23 12947.0000 12572.0000 2.90% - 0s 0 0 12572.3000 0 31 12947.0000 12572.3000 2.89% - 0s 0 0 12572.4545 0 54 12947.0000 12572.4545 2.89% - 0s 0 0 12573.5000 0 30 12947.0000 12573.5000 2.88% - 0s 0 0 12573.5000 0 26 12947.0000 12573.5000 2.88% - 0s 0 0 12573.6250 0 38 12947.0000 12573.6250 2.88% - 0s 0 0 12573.9726 0 53 12947.0000 12573.9726 2.88% - 0s 0 0 12574.0827 0 63 12947.0000 12574.0827 2.88% - 0s 0 0 12574.8333 0 49 12947.0000 12574.8333 2.87% - 0s 0 0 12575.1389 0 41 12947.0000 12575.1389 2.87% - 0s 0 0 12575.1781 0 64 12947.0000 12575.1781 2.87% - 0s 0 0 12575.5988 0 65 12947.0000 12575.5988 2.87% - 0s 0 0 12576.0000 0 33 12947.0000 12576.0000 2.87% - 0s 0 0 12576.4743 0 60 12947.0000 12576.4743 2.86% - 0s 0 0 12576.5301 0 67 12947.0000 12576.5301 2.86% - 0s 0 0 12576.5366 0 69 12947.0000 12576.5366 2.86% - 0s 0 0 12576.6176 0 61 12947.0000 12576.6176 2.86% - 1s H 0 0 12882.000000 12576.6176 2.37% - 1s 0 2 12576.9932 0 61 12882.0000 12576.9932 2.37% - 1s * 58 31 53 12869.000000 12604.6667 2.05% 5.6 1s H 64 30 12837.000000 12608.4167 1.78% 5.5 1s H 118 56 12832.000000 12626.0000 1.61% 6.3 1s * 315 142 19 12829.000000 12645.0000 1.43% 6.1 2s * 537 203 18 12828.000000 12667.0000 1.26% 6.0 2s 1503 166 12774.5000 19 26 12828.0000 12734.4444 0.73% 6.1 5s Cutting planes: Gomory: 5 Zero half: 5 Explored 1921 nodes (11685 simplex iterations) in 5.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282800000000e+04, best bound 1.282800000000e+04, gap 0.0% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 538 rows, 1128 columns and 133795 nonzeros Presolve time: 0.07s Presolved: 538 rows, 1128 columns, 133795 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12866.000000 12543.1667 2.51% - 0s 0 0 12561.0526 0 40 12866.0000 12561.0526 2.37% - 0s 0 0 12561.0526 0 42 12866.0000 12561.0526 2.37% - 0s 0 0 12561.0526 0 40 12866.0000 12561.0526 2.37% - 0s H 0 0 12857.000000 12561.0526 2.30% - 0s 0 0 12561.1842 0 48 12857.0000 12561.1842 2.30% - 0s 0 0 12572.0000 0 23 12857.0000 12572.0000 2.22% - 0s 0 0 12572.3412 0 55 12857.0000 12572.3412 2.21% - 0s 0 0 12573.5000 0 26 12857.0000 12573.5000 2.21% - 0s 0 0 12573.6562 0 38 12857.0000 12573.6562 2.20% - 0s 0 0 12573.7949 0 53 12857.0000 12573.7949 2.20% - 0s 0 0 12573.8051 0 61 12857.0000 12573.8051 2.20% - 0s 0 0 12574.0714 0 41 12857.0000 12574.0714 2.20% - 0s 0 0 12574.6886 0 63 12857.0000 12574.6886 2.20% - 0s 0 0 12575.0654 0 63 12857.0000 12575.0654 2.19% - 0s 0 0 12575.4626 0 65 12857.0000 12575.4626 2.19% - 0s 0 0 12575.7971 0 62 12857.0000 12575.7971 2.19% - 0s 0 0 12575.9308 0 65 12857.0000 12575.9308 2.19% - 0s 0 0 12576.0337 0 66 12857.0000 12576.0337 2.19% - 0s 0 0 12576.0565 0 66 12857.0000 12576.0565 2.19% - 0s 0 0 12576.2967 0 59 12857.0000 12576.2967 2.18% - 1s 0 0 12576.3188 0 58 12857.0000 12576.3188 2.18% - 1s 0 0 12576.3188 0 58 12857.0000 12576.3188 2.18% - 1s H 0 0 12843.000000 12576.3188 2.08% - 1s 0 2 12576.3906 0 58 12843.0000 12576.3906 2.08% - 1s H 73 35 12838.000000 12620.3333 1.70% 6.9 1s * 119 60 22 12836.000000 12627.0000 1.63% 7.0 1s * 152 78 23 12831.000000 12628.6000 1.58% 6.8 2s * 175 94 15 12830.000000 12635.6061 1.52% 6.9 2s * 1127 140 28 12828.000000 12711.7500 0.91% 6.9 4s 1454 116 cutoff 27 12828.0000 12742.6000 0.67% 6.5 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 2 Explored 1798 nodes (11352 simplex iterations) in 5.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282800000000e+04, best bound 1.282800000000e+04, gap 0.0% adding cut for [(4, 10), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (13, 16), (13, 21), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 539 rows, 1128 columns and 134026 nonzeros Presolve time: 0.07s Presolved: 539 rows, 1128 columns, 134026 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12866.000000 12543.1667 2.51% - 0s 0 0 12561.0526 0 40 12866.0000 12561.0526 2.37% - 0s 0 0 12561.0526 0 42 12866.0000 12561.0526 2.37% - 0s 0 0 12561.0526 0 40 12866.0000 12561.0526 2.37% - 0s 0 0 12561.1842 0 48 12866.0000 12561.1842 2.37% - 0s 0 0 12572.0000 0 23 12866.0000 12572.0000 2.29% - 0s 0 0 12572.3750 0 31 12866.0000 12572.3750 2.28% - 0s 0 0 12573.0000 0 26 12866.0000 12573.0000 2.28% - 0s 0 0 12573.0000 0 28 12866.0000 12573.0000 2.28% - 0s 0 0 12573.1765 0 40 12866.0000 12573.1765 2.28% - 0s 0 0 12573.2591 0 45 12866.0000 12573.2591 2.28% - 0s 0 0 12573.8421 0 52 12866.0000 12573.8421 2.27% - 0s 0 0 12573.9151 0 57 12866.0000 12573.9151 2.27% - 0s 0 0 12574.9303 0 64 12866.0000 12574.9303 2.26% - 0s 0 0 12575.3466 0 65 12866.0000 12575.3466 2.26% - 0s 0 0 12576.1000 0 25 12866.0000 12576.1000 2.25% - 0s 0 0 12576.3023 0 43 12866.0000 12576.3023 2.25% - 0s 0 0 12576.4494 0 67 12866.0000 12576.4494 2.25% - 0s 0 0 12577.7913 0 59 12866.0000 12577.7913 2.24% - 0s 0 0 12577.8209 0 67 12866.0000 12577.8209 2.24% - 0s 0 0 12578.2314 0 59 12866.0000 12578.2314 2.24% - 1s H 0 0 12857.000000 12578.2314 2.17% - 1s H 0 0 12831.000000 12578.2314 1.97% - 1s 0 2 12578.2461 0 59 12831.0000 12578.2461 1.97% - 1s H 91 48 12830.000000 12624.8313 1.60% 7.0 1s * 260 86 26 12829.000000 12677.2500 1.18% 6.5 2s 1479 66 cutoff 21 12829.0000 12766.0000 0.49% 6.3 5s Cutting planes: Gomory: 4 Zero half: 5 Explored 1614 nodes (10312 simplex iterations) in 5.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282900000000e+04, best bound 1.282900000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 540 rows, 1128 columns and 134279 nonzeros Presolve time: 0.07s Presolved: 540 rows, 1128 columns, 134279 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254317e+04, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12543.1667 0 42 47372.0000 12543.1667 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12543.1667 2.26% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 42 12833.0000 12561.0526 2.12% - 0s 0 0 12561.0526 0 40 12833.0000 12561.0526 2.12% - 0s 0 0 12561.1842 0 48 12833.0000 12561.1842 2.12% - 0s 0 0 12569.0000 0 27 12833.0000 12569.0000 2.06% - 0s 0 0 12571.2520 0 49 12833.0000 12571.2520 2.04% - 0s 0 0 12571.6387 0 48 12833.0000 12571.6387 2.04% - 0s 0 0 12571.8975 0 56 12833.0000 12571.8975 2.03% - 0s 0 0 12572.3835 0 43 12833.0000 12572.3835 2.03% - 0s 0 0 12572.5714 0 51 12833.0000 12572.5714 2.03% - 0s 0 0 12572.6891 0 53 12833.0000 12572.6891 2.03% - 0s 0 0 12572.8865 0 61 12833.0000 12572.8865 2.03% - 0s 0 0 12573.8866 0 54 12833.0000 12573.8866 2.02% - 0s 0 0 12574.6327 0 61 12833.0000 12574.6327 2.01% - 0s 0 0 12574.9961 0 54 12833.0000 12574.9961 2.01% - 0s 0 0 12575.1691 0 57 12833.0000 12575.1691 2.01% - 0s 0 0 12575.2773 0 56 12833.0000 12575.2773 2.01% - 0s 0 0 12575.3697 0 64 12833.0000 12575.3697 2.01% - 0s 0 0 12575.7687 0 49 12833.0000 12575.7687 2.00% - 0s 0 0 12576.3912 0 59 12833.0000 12576.3912 2.00% - 0s 0 0 12576.4666 0 53 12833.0000 12576.4666 2.00% - 0s 0 2 12576.7000 0 53 12833.0000 12576.7000 2.00% - 1s * 193 91 26 12831.000000 12639.0000 1.50% 5.7 1s * 398 153 18 12829.000000 12684.0000 1.13% 6.1 2s Cutting planes: Gomory: 3 Zero half: 5 Explored 1637 nodes (10002 simplex iterations) in 4.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282900000000e+04, best bound 1.282900000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (13, 16), (16, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 541 rows, 1128 columns and 134469 nonzeros Presolve time: 0.07s Presolved: 541 rows, 1128 columns, 134469 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254829e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12548.2857 0 36 47372.0000 12548.2857 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12548.2857 2.70% - 0s 0 0 12564.6667 0 41 12896.0000 12564.6667 2.57% - 0s 0 0 12564.6667 0 36 12896.0000 12564.6667 2.57% - 0s 0 0 12564.6667 0 41 12896.0000 12564.6667 2.57% - 0s 0 0 12567.6474 0 51 12896.0000 12567.6474 2.55% - 0s 0 0 12568.0000 0 53 12896.0000 12568.0000 2.54% - 0s 0 0 12568.1200 0 61 12896.0000 12568.1200 2.54% - 0s 0 0 12571.0556 0 48 12896.0000 12571.0556 2.52% - 0s 0 0 12571.2341 0 56 12896.0000 12571.2341 2.52% - 0s 0 0 12571.3813 0 54 12896.0000 12571.3813 2.52% - 0s 0 0 12571.5345 0 62 12896.0000 12571.5345 2.52% - 0s 0 0 12571.8413 0 52 12896.0000 12571.8413 2.51% - 0s 0 0 12572.0789 0 62 12896.0000 12572.0789 2.51% - 0s 0 0 12572.5158 0 63 12896.0000 12572.5158 2.51% - 0s 0 0 12573.0150 0 67 12896.0000 12573.0150 2.50% - 0s 0 0 12573.3564 0 65 12896.0000 12573.3564 2.50% - 0s 0 0 12573.4675 0 66 12896.0000 12573.4675 2.50% - 0s 0 0 12574.5301 0 66 12896.0000 12574.5301 2.49% - 0s 0 0 12577.3671 0 61 12896.0000 12577.3671 2.47% - 0s 0 0 12577.6296 0 64 12896.0000 12577.6296 2.47% - 0s 0 0 12577.8133 0 65 12896.0000 12577.8133 2.47% - 0s 0 0 12578.7724 0 68 12896.0000 12578.7724 2.46% - 1s 0 0 12579.0668 0 70 12896.0000 12579.0668 2.46% - 1s 0 0 12579.7012 0 69 12896.0000 12579.7012 2.45% - 1s 0 0 12580.1817 0 74 12896.0000 12580.1817 2.45% - 1s 0 0 12580.9184 0 73 12896.0000 12580.9184 2.44% - 1s 0 0 12580.9184 0 73 12896.0000 12580.9184 2.44% - 1s H 0 0 12833.000000 12580.9184 1.96% - 1s 0 2 12582.1847 0 73 12833.0000 12582.1847 1.95% - 1s * 253 84 18 12831.000000 12661.5000 1.32% 6.3 2s * 331 122 33 12830.000000 12676.0000 1.20% 6.1 2s * 653 147 12 12829.000000 12727.0000 0.80% 6.3 2s Cutting planes: Gomory: 2 Zero half: 21 Explored 1054 nodes (6737 simplex iterations) in 3.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.282900000000e+04, best bound 1.282800000000e+04, gap 0.0078% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (10, 40), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 542 rows, 1128 columns and 134679 nonzeros Presolve time: 0.07s Presolved: 542 rows, 1128 columns, 134679 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254829e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12548.2857 0 36 47372.0000 12548.2857 73.5% - 0s Another try with MIP start H 0 0 12983.000000 12548.2857 3.35% - 0s 0 0 12564.6667 0 41 12983.0000 12564.6667 3.22% - 0s 0 0 12564.6667 0 36 12983.0000 12564.6667 3.22% - 0s 0 0 12564.6667 0 41 12983.0000 12564.6667 3.22% - 0s 0 0 12567.6667 0 51 12983.0000 12567.6667 3.20% - 0s 0 0 12568.0000 0 53 12983.0000 12568.0000 3.20% - 0s 0 0 12568.1100 0 61 12983.0000 12568.1100 3.20% - 0s 0 0 12570.1875 0 48 12983.0000 12570.1875 3.18% - 0s 0 0 12570.3661 0 56 12983.0000 12570.3661 3.18% - 0s 0 0 12570.6868 0 63 12983.0000 12570.6868 3.18% - 0s 0 0 12571.9474 0 56 12983.0000 12571.9474 3.17% - 0s 0 0 12572.1332 0 64 12983.0000 12572.1332 3.16% - 0s 0 0 12572.3301 0 63 12983.0000 12572.3301 3.16% - 0s 0 0 12572.4926 0 66 12983.0000 12572.4926 3.16% - 0s 0 0 12572.6447 0 63 12983.0000 12572.6447 3.16% - 0s 0 0 12572.9536 0 71 12983.0000 12572.9536 3.16% - 1s 0 0 12573.3535 0 62 12983.0000 12573.3535 3.16% - 1s 0 0 12573.3754 0 67 12983.0000 12573.3754 3.16% - 1s 0 0 12573.4387 0 67 12983.0000 12573.4387 3.15% - 1s 0 0 12573.5623 0 68 12983.0000 12573.5623 3.15% - 1s 0 0 12574.2938 0 72 12983.0000 12574.2938 3.15% - 1s 0 0 12575.9665 0 64 12983.0000 12575.9665 3.14% - 1s 0 0 12576.7876 0 63 12983.0000 12576.7876 3.13% - 1s 0 0 12577.2807 0 70 12983.0000 12577.2807 3.13% - 1s 0 0 12577.5572 0 72 12983.0000 12577.5572 3.12% - 1s 0 0 12578.2283 0 62 12983.0000 12578.2283 3.12% - 1s 0 0 12578.3252 0 68 12983.0000 12578.3252 3.12% - 1s 0 0 12578.6902 0 65 12983.0000 12578.6902 3.11% - 1s 0 0 12578.9156 0 71 12983.0000 12578.9156 3.11% - 1s 0 0 12579.8226 0 70 12983.0000 12579.8226 3.11% - 1s 0 0 12580.7876 0 78 12983.0000 12580.7876 3.10% - 1s 0 0 12583.4366 0 69 12983.0000 12583.4366 3.08% - 1s 0 0 12584.0044 0 72 12983.0000 12584.0044 3.07% - 1s 0 0 12584.5569 0 68 12983.0000 12584.5569 3.07% - 1s 0 0 12584.6419 0 77 12983.0000 12584.6419 3.07% - 1s 0 0 12585.2382 0 69 12983.0000 12585.2382 3.06% - 1s 0 0 12585.4343 0 76 12983.0000 12585.4343 3.06% - 1s 0 0 12585.7518 0 77 12983.0000 12585.7518 3.06% - 1s 0 0 12585.9269 0 74 12983.0000 12585.9269 3.06% - 1s 0 0 12585.9269 0 74 12983.0000 12585.9269 3.06% - 2s H 0 0 12934.000000 12585.9269 2.69% - 2s H 0 0 12881.000000 12585.9269 2.29% - 2s H 0 0 12841.000000 12585.9269 1.99% - 2s 0 2 12586.0324 0 74 12841.0000 12586.0324 1.99% - 2s H 46 25 12838.000000 12626.7642 1.65% 7.0 2s * 50 26 16 12834.000000 12626.7642 1.61% 7.3 2s * 98 47 21 12831.000000 12633.3333 1.54% 6.4 2s * 606 127 13 12830.000000 12714.6000 0.90% 6.2 3s 718 140 12752.0000 10 74 12830.0000 12726.7500 0.80% 6.0 5s Cutting planes: Gomory: 2 Zero half: 12 Explored 1591 nodes (10194 simplex iterations) in 6.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283000000000e+04, best bound 1.282900000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 543 rows, 1128 columns and 134910 nonzeros Presolve time: 0.07s Presolved: 543 rows, 1128 columns, 134910 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254829e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12548.2857 0 36 47372.0000 12548.2857 73.5% - 0s Another try with MIP start H 0 0 12842.000000 12548.2857 2.29% - 0s 0 0 12564.6667 0 41 12842.0000 12564.6667 2.16% - 0s 0 0 12564.6667 0 36 12842.0000 12564.6667 2.16% - 0s 0 0 12564.6667 0 41 12842.0000 12564.6667 2.16% - 0s 0 0 12567.6429 0 51 12842.0000 12567.6429 2.14% - 0s H 0 0 12832.000000 12567.6429 2.06% - 0s 0 0 12568.0000 0 53 12832.0000 12568.0000 2.06% - 0s 0 0 12568.1200 0 61 12832.0000 12568.1200 2.06% - 0s 0 0 12571.0556 0 48 12832.0000 12571.0556 2.03% - 0s 0 0 12571.2341 0 56 12832.0000 12571.2341 2.03% - 0s 0 0 12571.3586 0 62 12832.0000 12571.3586 2.03% - 0s 0 0 12571.7557 0 54 12832.0000 12571.7557 2.03% - 0s 0 0 12572.2675 0 61 12832.0000 12572.2675 2.02% - 0s 0 0 12572.6032 0 66 12832.0000 12572.6032 2.02% - 0s 0 0 12572.8889 0 45 12832.0000 12572.8889 2.02% - 0s 0 0 12573.0741 0 53 12832.0000 12573.0741 2.02% - 0s 0 0 12573.1625 0 59 12832.0000 12573.1625 2.02% - 0s 0 0 12573.2628 0 64 12832.0000 12573.2628 2.02% - 0s 0 0 12573.4234 0 63 12832.0000 12573.4234 2.02% - 0s 0 0 12574.9277 0 64 12832.0000 12574.9277 2.00% - 0s 0 0 12575.5093 0 66 12832.0000 12575.5093 2.00% - 0s 0 0 12576.7319 0 63 12832.0000 12576.7319 1.99% - 0s 0 0 12577.1524 0 62 12832.0000 12577.1524 1.99% - 0s 0 0 12577.6000 0 58 12832.0000 12577.6000 1.98% - 1s 0 0 12577.6652 0 64 12832.0000 12577.6652 1.98% - 1s 0 0 12577.7335 0 69 12832.0000 12577.7335 1.98% - 1s 0 0 12578.1512 0 64 12832.0000 12578.1512 1.98% - 1s 0 0 12578.3058 0 73 12832.0000 12578.3058 1.98% - 1s 0 0 12578.5498 0 74 12832.0000 12578.5498 1.98% - 1s 0 0 12578.8341 0 76 12832.0000 12578.8341 1.97% - 1s 0 0 12579.2610 0 75 12832.0000 12579.2610 1.97% - 1s 0 0 12581.4444 0 58 12832.0000 12581.4444 1.95% - 1s 0 0 12582.2176 0 70 12832.0000 12582.2176 1.95% - 1s 0 0 12582.8011 0 74 12832.0000 12582.8011 1.94% - 1s 0 0 12583.6122 0 69 12832.0000 12583.6122 1.94% - 1s 0 0 12584.3867 0 73 12832.0000 12584.3867 1.93% - 1s 0 0 12584.7594 0 69 12832.0000 12584.7594 1.93% - 1s 0 0 12585.3805 0 77 12832.0000 12585.3805 1.92% - 1s 0 0 12585.9967 0 72 12832.0000 12585.9967 1.92% - 1s 0 0 12586.8384 0 72 12832.0000 12586.8384 1.91% - 1s 0 0 12587.7238 0 72 12832.0000 12587.7238 1.90% - 1s 0 0 12588.1241 0 67 12832.0000 12588.1241 1.90% - 1s 0 0 12588.1480 0 68 12832.0000 12588.1480 1.90% - 1s 0 0 12588.1627 0 70 12832.0000 12588.1627 1.90% - 1s 0 2 12588.6850 0 70 12832.0000 12588.6850 1.90% - 2s * 22 15 17 12830.000000 12614.3333 1.68% 9.6 2s 671 157 12716.0000 17 16 12830.0000 12716.0000 0.89% 6.9 5s Cutting planes: Gomory: 2 Zero half: 13 Explored 1506 nodes (10166 simplex iterations) in 5.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283000000000e+04, best bound 1.282900000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 544 rows, 1128 columns and 135186 nonzeros Presolve time: 0.07s Presolved: 544 rows, 1128 columns, 135186 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254829e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12548.2857 0 36 47372.0000 12548.2857 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12548.2857 2.56% - 0s 0 0 12564.6667 0 41 12878.0000 12564.6667 2.43% - 0s 0 0 12564.6667 0 36 12878.0000 12564.6667 2.43% - 0s 0 0 12564.6667 0 41 12878.0000 12564.6667 2.43% - 0s 0 0 12567.6327 0 48 12878.0000 12567.6327 2.41% - 0s 0 0 12567.7222 0 51 12878.0000 12567.7222 2.41% - 0s 0 0 12567.8155 0 56 12878.0000 12567.8155 2.41% - 0s 0 0 12567.9780 0 52 12878.0000 12567.9780 2.41% - 0s 0 0 12568.1818 0 64 12878.0000 12568.1818 2.41% - 0s 0 0 12569.5667 0 45 12878.0000 12569.5667 2.40% - 0s 0 0 12570.0302 0 62 12878.0000 12570.0302 2.39% - 0s 0 0 12571.0500 0 49 12878.0000 12571.0500 2.38% - 0s 0 0 12571.5323 0 62 12878.0000 12571.5323 2.38% - 0s 0 0 12571.7523 0 57 12878.0000 12571.7523 2.38% - 0s 0 0 12571.9180 0 66 12878.0000 12571.9180 2.38% - 0s 0 0 12573.0260 0 66 12878.0000 12573.0260 2.37% - 0s 0 0 12573.0903 0 66 12878.0000 12573.0903 2.37% - 0s 0 0 12573.1362 0 67 12878.0000 12573.1362 2.37% - 0s 0 0 12573.2132 0 63 12878.0000 12573.2132 2.37% - 0s 0 0 12573.9528 0 58 12878.0000 12573.9528 2.36% - 0s 0 0 12573.9986 0 67 12878.0000 12573.9986 2.36% - 0s 0 0 12574.8116 0 70 12878.0000 12574.8116 2.35% - 0s 0 0 12577.3333 0 57 12878.0000 12577.3333 2.33% - 1s 0 0 12577.5636 0 65 12878.0000 12577.5636 2.33% - 1s 0 0 12577.7519 0 60 12878.0000 12577.7519 2.33% - 1s 0 0 12577.9507 0 66 12878.0000 12577.9507 2.33% - 1s 0 0 12577.9597 0 69 12878.0000 12577.9597 2.33% - 1s 0 0 12578.0797 0 68 12878.0000 12578.0797 2.33% - 1s 0 0 12578.3200 0 56 12878.0000 12578.3200 2.33% - 1s 0 0 12578.4737 0 70 12878.0000 12578.4737 2.33% - 1s 0 0 12578.8482 0 73 12878.0000 12578.8482 2.32% - 1s 0 0 12581.1077 0 57 12878.0000 12581.1077 2.31% - 1s 0 0 12583.6026 0 61 12878.0000 12583.6026 2.29% - 1s 0 0 12584.6269 0 66 12878.0000 12584.6269 2.28% - 1s 0 0 12584.9610 0 69 12878.0000 12584.9610 2.28% - 1s 0 0 12585.1873 0 72 12878.0000 12585.1873 2.27% - 1s 0 0 12586.6289 0 65 12878.0000 12586.6289 2.26% - 1s 0 0 12586.6661 0 67 12878.0000 12586.6661 2.26% - 1s 0 0 12586.6785 0 65 12878.0000 12586.6785 2.26% - 1s 0 0 12586.7092 0 71 12878.0000 12586.7092 2.26% - 1s 0 0 12586.8204 0 66 12878.0000 12586.8204 2.26% - 1s 0 0 12586.8708 0 67 12878.0000 12586.8708 2.26% - 1s 0 2 12586.8748 0 67 12878.0000 12586.8748 2.26% - 2s H 27 17 12851.000000 12618.2500 1.81% 7.9 2s * 110 60 11 12835.000000 12632.0000 1.58% 7.9 2s * 128 65 12 12832.000000 12640.4615 1.49% 8.0 2s * 153 67 19 12831.000000 12641.0455 1.48% 7.7 2s * 694 81 15 12830.000000 12754.0000 0.59% 6.6 3s Cutting planes: Gomory: 2 Zero half: 15 Mod-K: 1 Explored 881 nodes (6141 simplex iterations) in 3.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283000000000e+04, best bound 1.283000000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (12, 13), (13, 16), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 545 rows, 1128 columns and 135417 nonzeros Presolve time: 0.07s Presolved: 545 rows, 1128 columns, 135417 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254829e+04, 121 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12548.2857 0 36 47372.0000 12548.2857 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12548.2857 2.22% - 0s 0 0 12564.6667 0 41 12833.0000 12564.6667 2.09% - 0s 0 0 12564.6667 0 36 12833.0000 12564.6667 2.09% - 0s 0 0 12564.6667 0 41 12833.0000 12564.6667 2.09% - 0s 0 0 12564.8376 0 49 12833.0000 12564.8376 2.09% - 0s 0 0 12565.2941 0 44 12833.0000 12565.2941 2.09% - 0s 0 0 12565.4751 0 52 12833.0000 12565.4751 2.08% - 0s 0 0 12565.8519 0 46 12833.0000 12565.8519 2.08% - 0s 0 0 12565.9907 0 54 12833.0000 12565.9907 2.08% - 0s 0 0 12566.4267 0 52 12833.0000 12566.4267 2.08% - 0s 0 0 12566.5867 0 60 12833.0000 12566.5867 2.08% - 0s 0 0 12567.1835 0 53 12833.0000 12567.1835 2.07% - 0s 0 0 12567.3722 0 61 12833.0000 12567.3722 2.07% - 0s 0 0 12568.3377 0 54 12833.0000 12568.3377 2.06% - 0s 0 0 12568.4869 0 65 12833.0000 12568.4869 2.06% - 0s 0 0 12569.7778 0 57 12833.0000 12569.7778 2.05% - 0s 0 0 12569.8914 0 65 12833.0000 12569.8914 2.05% - 0s 0 0 12570.2790 0 54 12833.0000 12570.2790 2.05% - 0s 0 0 12570.3790 0 64 12833.0000 12570.3790 2.05% - 0s 0 0 12570.8950 0 68 12833.0000 12570.8950 2.04% - 0s 0 0 12571.1753 0 65 12833.0000 12571.1753 2.04% - 0s 0 0 12572.2273 0 58 12833.0000 12572.2273 2.03% - 0s 0 0 12572.5000 0 65 12833.0000 12572.5000 2.03% - 0s 0 0 12572.7727 0 57 12833.0000 12572.7727 2.03% - 0s 0 0 12573.0557 0 63 12833.0000 12573.0557 2.03% - 0s 0 0 12573.3596 0 70 12833.0000 12573.3596 2.02% - 1s 0 0 12573.5893 0 73 12833.0000 12573.5893 2.02% - 1s 0 0 12574.3017 0 68 12833.0000 12574.3017 2.02% - 1s 0 0 12575.0386 0 65 12833.0000 12575.0386 2.01% - 1s 0 2 12575.1877 0 65 12833.0000 12575.1877 2.01% - 1s * 54 24 17 12832.000000 12611.7857 1.72% 6.7 1s * 56 22 16 12831.000000 12611.7857 1.71% 6.5 1s Cutting planes: Gomory: 3 Zero half: 17 Explored 848 nodes (5551 simplex iterations) in 2.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283100000000e+04, best bound 1.283100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 546 rows, 1128 columns and 135742 nonzeros Presolve time: 0.07s Presolved: 546 rows, 1128 columns, 135742 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254829e+04, 121 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12548.2857 0 36 47372.0000 12548.2857 73.5% - 0s Another try with MIP start H 0 0 12843.000000 12548.2857 2.29% - 0s 0 0 12564.6667 0 41 12843.0000 12564.6667 2.17% - 0s 0 0 12564.6667 0 36 12843.0000 12564.6667 2.17% - 0s 0 0 12564.6667 0 41 12843.0000 12564.6667 2.17% - 0s 0 0 12567.6429 0 51 12843.0000 12567.6429 2.14% - 0s H 0 0 12840.000000 12567.6429 2.12% - 0s 0 0 12568.0000 0 53 12840.0000 12568.0000 2.12% - 0s 0 0 12568.1200 0 61 12840.0000 12568.1200 2.12% - 0s 0 0 12570.1875 0 48 12840.0000 12570.1875 2.10% - 0s 0 0 12570.3661 0 56 12840.0000 12570.3661 2.10% - 0s 0 0 12570.4676 0 61 12840.0000 12570.4676 2.10% - 0s 0 0 12571.0875 0 60 12840.0000 12571.0875 2.09% - 0s 0 0 12571.4988 0 56 12840.0000 12571.4988 2.09% - 0s 0 0 12571.6449 0 64 12840.0000 12571.6449 2.09% - 0s 0 0 12572.9231 0 49 12840.0000 12572.9231 2.08% - 0s 0 0 12573.2633 0 58 12840.0000 12573.2633 2.08% - 0s 0 0 12573.6500 0 53 12840.0000 12573.6500 2.07% - 0s 0 0 12573.7558 0 61 12840.0000 12573.7558 2.07% - 0s 0 0 12573.8067 0 48 12840.0000 12573.8067 2.07% - 0s 0 0 12576.2267 0 59 12840.0000 12576.2267 2.05% - 0s 0 0 12576.7507 0 68 12840.0000 12576.7507 2.05% - 0s 0 0 12577.1459 0 71 12840.0000 12577.1459 2.05% - 0s 0 0 12577.2844 0 73 12840.0000 12577.2844 2.05% - 0s 0 0 12577.5040 0 59 12840.0000 12577.5040 2.04% - 0s 0 0 12577.9017 0 68 12840.0000 12577.9017 2.04% - 1s 0 0 12578.3386 0 72 12840.0000 12578.3386 2.04% - 1s 0 0 12578.6074 0 73 12840.0000 12578.6074 2.04% - 1s 0 0 12579.8206 0 73 12840.0000 12579.8206 2.03% - 1s 0 0 12582.1968 0 67 12840.0000 12582.1968 2.01% - 1s 0 0 12584.0985 0 66 12840.0000 12584.0985 1.99% - 1s 0 0 12585.1227 0 70 12840.0000 12585.1227 1.99% - 1s 0 0 12585.5475 0 76 12840.0000 12585.5475 1.98% - 1s 0 0 12587.5446 0 70 12840.0000 12587.5446 1.97% - 1s 0 0 12588.1325 0 65 12840.0000 12588.1325 1.96% - 1s 0 0 12588.1692 0 66 12840.0000 12588.1692 1.96% - 1s 0 0 12588.1716 0 71 12840.0000 12588.1716 1.96% - 1s 0 0 12588.3428 0 66 12840.0000 12588.3428 1.96% - 1s 0 0 12588.3809 0 67 12840.0000 12588.3809 1.96% - 1s 0 0 12588.4737 0 68 12840.0000 12588.4737 1.96% - 1s 0 0 12588.5337 0 72 12840.0000 12588.5337 1.96% - 1s 0 0 12588.8034 0 72 12840.0000 12588.8034 1.96% - 1s 0 0 12588.8637 0 72 12840.0000 12588.8637 1.96% - 1s 0 0 12588.8683 0 74 12840.0000 12588.8683 1.96% - 1s 0 0 12588.8714 0 73 12840.0000 12588.8714 1.96% - 1s 0 0 12588.8714 0 73 12840.0000 12588.8714 1.96% - 2s H 0 0 12835.000000 12588.8714 1.92% - 2s 0 2 12588.9233 0 73 12835.0000 12588.9233 1.92% - 2s * 24 17 20 12831.000000 12621.6000 1.63% 10.0 2s Cutting planes: Gomory: 3 Zero half: 29 Mod-K: 1 Explored 1128 nodes (7586 simplex iterations) in 4.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283100000000e+04, best bound 1.283100000000e+04, gap 0.0% adding cut for [(33, 46), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 547 rows, 1128 columns and 135952 nonzeros Presolve time: 0.07s Presolved: 547 rows, 1128 columns, 135952 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254829e+04, 121 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12548.2857 0 36 47372.0000 12548.2857 73.5% - 0s Another try with MIP start H 0 0 12832.000000 12548.2857 2.21% - 0s 0 0 12564.6667 0 41 12832.0000 12564.6667 2.08% - 0s 0 0 12564.6667 0 36 12832.0000 12564.6667 2.08% - 0s 0 0 12564.6667 0 41 12832.0000 12564.6667 2.08% - 0s 0 0 12564.8376 0 49 12832.0000 12564.8376 2.08% - 0s 0 0 12565.0588 0 44 12832.0000 12565.0588 2.08% - 0s 0 0 12565.2269 0 52 12832.0000 12565.2269 2.08% - 0s 0 0 12565.7052 0 54 12832.0000 12565.7052 2.08% - 0s 0 0 12566.0000 0 47 12832.0000 12566.0000 2.07% - 0s 0 0 12566.2400 0 55 12832.0000 12566.2400 2.07% - 0s 0 0 12566.2644 0 61 12832.0000 12566.2644 2.07% - 0s 0 0 12568.1275 0 51 12832.0000 12568.1275 2.06% - 0s 0 0 12568.3676 0 60 12832.0000 12568.3676 2.05% - 0s 0 0 12568.8756 0 57 12832.0000 12568.8756 2.05% - 0s 0 0 12568.9963 0 62 12832.0000 12568.9963 2.05% - 0s 0 0 12569.5159 0 65 12832.0000 12569.5159 2.05% - 0s 0 0 12570.0971 0 68 12832.0000 12570.0971 2.04% - 0s 0 0 12570.9440 0 65 12832.0000 12570.9440 2.03% - 0s 0 0 12571.6515 0 70 12832.0000 12571.6515 2.03% - 0s 0 0 12572.0620 0 72 12832.0000 12572.0620 2.03% - 0s 0 0 12574.0151 0 70 12832.0000 12574.0151 2.01% - 0s 0 0 12574.3190 0 74 12832.0000 12574.3190 2.01% - 0s 0 0 12574.7329 0 71 12832.0000 12574.7329 2.00% - 0s 0 0 12574.9602 0 72 12832.0000 12574.9602 2.00% - 0s 0 0 12575.0942 0 75 12832.0000 12575.0942 2.00% - 0s 0 2 12575.1078 0 75 12832.0000 12575.1078 2.00% - 1s * 125 62 21 12831.000000 12635.1250 1.53% 7.3 1s Cutting planes: Gomory: 2 Zero half: 22 Explored 892 nodes (5740 simplex iterations) in 2.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283100000000e+04, best bound 1.283100000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 548 rows, 1128 columns and 136162 nonzeros Presolve time: 0.07s Presolved: 548 rows, 1128 columns, 136162 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.254829e+04, 121 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12548.2857 0 36 47372.0000 12548.2857 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12548.2857 2.22% - 0s 0 0 12564.6667 0 41 12833.0000 12564.6667 2.09% - 0s 0 0 12564.6667 0 36 12833.0000 12564.6667 2.09% - 0s 0 0 12564.6667 0 41 12833.0000 12564.6667 2.09% - 0s 0 0 12564.8376 0 49 12833.0000 12564.8376 2.09% - 0s 0 0 12565.2941 0 44 12833.0000 12565.2941 2.09% - 0s 0 0 12565.4751 0 52 12833.0000 12565.4751 2.08% - 0s 0 0 12565.8519 0 46 12833.0000 12565.8519 2.08% - 0s 0 0 12565.9907 0 54 12833.0000 12565.9907 2.08% - 0s 0 0 12566.4267 0 52 12833.0000 12566.4267 2.08% - 0s 0 0 12566.5867 0 60 12833.0000 12566.5867 2.08% - 0s 0 0 12567.1835 0 53 12833.0000 12567.1835 2.07% - 0s 0 0 12567.3722 0 61 12833.0000 12567.3722 2.07% - 0s 0 0 12568.3377 0 54 12833.0000 12568.3377 2.06% - 0s 0 0 12568.4869 0 65 12833.0000 12568.4869 2.06% - 0s 0 0 12569.7778 0 57 12833.0000 12569.7778 2.05% - 0s 0 0 12569.8914 0 65 12833.0000 12569.8914 2.05% - 0s 0 0 12570.2790 0 54 12833.0000 12570.2790 2.05% - 0s 0 0 12570.4222 0 64 12833.0000 12570.4222 2.05% - 0s 0 0 12570.6274 0 66 12833.0000 12570.6274 2.04% - 0s 0 0 12572.4255 0 56 12833.0000 12572.4255 2.03% - 0s 0 0 12572.7567 0 65 12833.0000 12572.7567 2.03% - 0s 0 0 12572.8590 0 66 12833.0000 12572.8590 2.03% - 0s 0 0 12572.8961 0 69 12833.0000 12572.8961 2.03% - 0s 0 0 12572.9197 0 70 12833.0000 12572.9197 2.03% - 0s 0 0 12573.1836 0 63 12833.0000 12573.1836 2.02% - 1s 0 0 12573.3569 0 68 12833.0000 12573.3569 2.02% - 1s 0 0 12573.7062 0 73 12833.0000 12573.7062 2.02% - 1s 0 0 12574.2347 0 70 12833.0000 12574.2347 2.02% - 1s 0 0 12574.5495 0 73 12833.0000 12574.5495 2.01% - 1s 0 0 12575.5666 0 58 12833.0000 12575.5666 2.01% - 1s 0 0 12576.9497 0 67 12833.0000 12576.9497 2.00% - 1s 0 0 12577.4031 0 70 12833.0000 12577.4031 1.99% - 1s 0 0 12578.5828 0 64 12833.0000 12578.5828 1.98% - 1s 0 0 12578.7208 0 61 12833.0000 12578.7208 1.98% - 1s 0 0 12578.9720 0 71 12833.0000 12578.9720 1.98% - 1s 0 0 12579.0414 0 76 12833.0000 12579.0414 1.98% - 1s 0 0 12579.6475 0 66 12833.0000 12579.6475 1.97% - 1s 0 0 12579.7640 0 67 12833.0000 12579.7640 1.97% - 1s 0 0 12579.9896 0 65 12833.0000 12579.9896 1.97% - 1s 0 0 12580.0015 0 64 12833.0000 12580.0015 1.97% - 1s 0 0 12580.0015 0 64 12833.0000 12580.0015 1.97% - 1s 0 2 12580.2949 0 64 12833.0000 12580.2949 1.97% - 2s * 193 63 13 12831.000000 12657.8000 1.35% 6.5 2s Cutting planes: Gomory: 2 Zero half: 14 Explored 914 nodes (6039 simplex iterations) in 3.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283100000000e+04, best bound 1.283100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 549 rows, 1128 columns and 136415 nonzeros Presolve time: 0.07s Presolved: 549 rows, 1128 columns, 136415 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12917.000000 12550.5000 2.84% - 0s 0 0 12568.4500 0 38 12917.0000 12568.4500 2.70% - 0s 0 0 12568.4500 0 40 12917.0000 12568.4500 2.70% - 0s 0 0 12568.4500 0 38 12917.0000 12568.4500 2.70% - 0s H 0 0 12841.000000 12568.4500 2.12% - 0s 0 0 12574.4000 0 51 12841.0000 12574.4000 2.08% - 0s 0 0 12575.7893 0 44 12841.0000 12575.7893 2.07% - 0s 0 0 12576.5030 0 48 12841.0000 12576.5030 2.06% - 0s 0 0 12576.5815 0 56 12841.0000 12576.5815 2.06% - 0s 0 0 12576.6642 0 51 12841.0000 12576.6642 2.06% - 0s 0 0 12576.7628 0 58 12841.0000 12576.7628 2.06% - 0s 0 0 12577.2950 0 50 12841.0000 12577.2950 2.05% - 0s 0 0 12577.2984 0 53 12841.0000 12577.2984 2.05% - 0s 0 0 12577.3602 0 61 12841.0000 12577.3602 2.05% - 0s 0 0 12577.8674 0 63 12841.0000 12577.8674 2.05% - 0s 0 0 12577.9988 0 58 12841.0000 12577.9988 2.05% - 0s 0 0 12578.0598 0 66 12841.0000 12578.0598 2.05% - 0s 0 0 12578.4429 0 55 12841.0000 12578.4429 2.04% - 0s 0 0 12578.6595 0 60 12841.0000 12578.6595 2.04% - 0s 0 0 12578.6927 0 64 12841.0000 12578.6927 2.04% - 0s 0 0 12578.7678 0 69 12841.0000 12578.7678 2.04% - 0s 0 0 12579.0634 0 69 12841.0000 12579.0634 2.04% - 0s 0 0 12579.2935 0 67 12841.0000 12579.2935 2.04% - 1s 0 2 12584.0381 0 67 12841.0000 12584.0381 2.00% - 1s H 1 2 12833.000000 12584.0381 1.94% 0.0 1s * 222 69 25 12832.000000 12659.1076 1.35% 8.3 3s * 612 94 27 12831.000000 12737.0000 0.73% 6.9 3s Cutting planes: Gomory: 8 Zero half: 10 Explored 885 nodes (5893 simplex iterations) in 4.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283100000000e+04, best bound 1.283100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 24), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 550 rows, 1128 columns and 136715 nonzeros Presolve time: 0.07s Presolved: 550 rows, 1128 columns, 136715 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12959.000000 12550.5000 3.15% - 0s 0 0 12568.4500 0 38 12959.0000 12568.4500 3.01% - 0s 0 0 12568.4500 0 40 12959.0000 12568.4500 3.01% - 0s 0 0 12568.4500 0 38 12959.0000 12568.4500 3.01% - 0s 0 0 12576.6341 0 52 12959.0000 12576.6341 2.95% - 0s H 0 0 12923.000000 12576.6341 2.68% - 0s 0 0 12579.7317 0 45 12923.0000 12579.7317 2.66% - 0s 0 0 12579.8374 0 53 12923.0000 12579.8374 2.66% - 0s 0 0 12579.9495 0 52 12923.0000 12579.9495 2.65% - 0s 0 0 12580.0311 0 60 12923.0000 12580.0311 2.65% - 0s 0 0 12580.6733 0 51 12923.0000 12580.6733 2.65% - 0s 0 0 12580.7535 0 56 12923.0000 12580.7535 2.65% - 0s 0 0 12582.1574 0 56 12923.0000 12582.1574 2.64% - 0s 0 0 12582.2123 0 65 12923.0000 12582.2123 2.64% - 0s 0 0 12582.5915 0 65 12923.0000 12582.5915 2.63% - 0s 0 0 12583.0030 0 71 12923.0000 12583.0030 2.63% - 0s 0 0 12583.1802 0 64 12923.0000 12583.1802 2.63% - 0s 0 0 12583.3950 0 65 12923.0000 12583.3950 2.63% - 0s 0 0 12583.4636 0 59 12923.0000 12583.4636 2.63% - 0s 0 0 12583.5360 0 69 12923.0000 12583.5360 2.63% - 0s 0 0 12583.6256 0 67 12923.0000 12583.6256 2.63% - 0s 0 0 12584.0218 0 66 12923.0000 12584.0218 2.62% - 1s 0 0 12584.4739 0 72 12923.0000 12584.4739 2.62% - 1s 0 0 12585.6051 0 63 12923.0000 12585.6051 2.61% - 1s 0 0 12585.6960 0 71 12923.0000 12585.6960 2.61% - 1s 0 0 12585.8670 0 69 12923.0000 12585.8670 2.61% - 1s 0 0 12586.3325 0 60 12923.0000 12586.3325 2.61% - 1s 0 0 12586.4015 0 70 12923.0000 12586.4015 2.60% - 1s 0 0 12586.6261 0 74 12923.0000 12586.6261 2.60% - 1s 0 0 12587.4579 0 74 12923.0000 12587.4579 2.60% - 1s 0 0 12587.5475 0 73 12923.0000 12587.5475 2.60% - 1s 0 0 12587.5985 0 73 12923.0000 12587.5985 2.60% - 1s 0 0 12588.0946 0 68 12923.0000 12588.0946 2.59% - 1s 0 0 12588.6653 0 70 12923.0000 12588.6653 2.59% - 1s 0 0 12588.8395 0 74 12923.0000 12588.8395 2.59% - 1s 0 0 12589.0047 0 69 12923.0000 12589.0047 2.58% - 1s 0 0 12589.1063 0 75 12923.0000 12589.1063 2.58% - 1s 0 0 12589.2211 0 76 12923.0000 12589.2211 2.58% - 1s 0 0 12589.3158 0 72 12923.0000 12589.3158 2.58% - 1s 0 0 12589.4410 0 77 12923.0000 12589.4410 2.58% - 1s H 0 0 12864.000000 12589.4410 2.13% - 1s H 0 0 12845.000000 12589.4410 1.99% - 1s 0 2 12589.8872 0 77 12845.0000 12589.8872 1.99% - 2s H 70 34 12840.000000 12636.4000 1.59% 7.7 2s * 260 106 13 12832.000000 12677.7500 1.20% 7.6 2s 613 149 12741.4167 5 77 12832.0000 12716.7778 0.90% 6.6 5s Cutting planes: Gomory: 4 Zero half: 12 Explored 1701 nodes (11151 simplex iterations) in 6.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283200000000e+04, best bound 1.283200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 551 rows, 1128 columns and 137040 nonzeros Presolve time: 0.07s Presolved: 551 rows, 1128 columns, 137040 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12843.000000 12550.5000 2.28% - 0s 0 0 12568.4500 0 38 12843.0000 12568.4500 2.14% - 0s 0 0 12568.4500 0 40 12843.0000 12568.4500 2.14% - 0s 0 0 12568.4500 0 38 12843.0000 12568.4500 2.14% - 0s 0 0 12576.6341 0 52 12843.0000 12576.6341 2.07% - 0s H 0 0 12840.000000 12576.6341 2.05% - 0s 0 0 12579.3803 0 45 12840.0000 12579.3803 2.03% - 0s 0 0 12580.8192 0 54 12840.0000 12580.8192 2.02% - 0s 0 0 12580.8547 0 62 12840.0000 12580.8547 2.02% - 0s 0 0 12582.2305 0 51 12840.0000 12582.2305 2.01% - 0s 0 0 12582.3784 0 59 12840.0000 12582.3784 2.01% - 0s 0 0 12582.4313 0 65 12840.0000 12582.4313 2.01% - 0s 0 0 12583.3464 0 53 12840.0000 12583.3464 2.00% - 0s 0 0 12583.4912 0 63 12840.0000 12583.4912 2.00% - 0s 0 0 12583.9994 0 55 12840.0000 12583.9994 1.99% - 0s 0 0 12584.1041 0 61 12840.0000 12584.1041 1.99% - 0s 0 0 12584.1614 0 61 12840.0000 12584.1614 1.99% - 0s 0 0 12584.2200 0 65 12840.0000 12584.2200 1.99% - 0s 0 0 12584.6608 0 68 12840.0000 12584.6608 1.99% - 0s 0 0 12584.9912 0 69 12840.0000 12584.9912 1.99% - 0s 0 0 12585.4009 0 54 12840.0000 12585.4009 1.98% - 0s 0 0 12585.4083 0 63 12840.0000 12585.4083 1.98% - 0s 0 0 12585.5308 0 60 12840.0000 12585.5308 1.98% - 0s 0 0 12585.5702 0 63 12840.0000 12585.5702 1.98% - 0s 0 0 12585.7171 0 62 12840.0000 12585.7171 1.98% - 0s 0 0 12585.7410 0 70 12840.0000 12585.7410 1.98% - 0s 0 0 12585.8828 0 71 12840.0000 12585.8828 1.98% - 1s 0 0 12586.0928 0 65 12840.0000 12586.0928 1.98% - 1s 0 0 12586.1224 0 69 12840.0000 12586.1224 1.98% - 1s 0 0 12586.5477 0 70 12840.0000 12586.5477 1.97% - 1s 0 0 12586.5671 0 67 12840.0000 12586.5671 1.97% - 1s 0 0 12586.5932 0 74 12840.0000 12586.5932 1.97% - 1s 0 0 12586.8498 0 73 12840.0000 12586.8498 1.97% - 1s 0 0 12587.4879 0 62 12840.0000 12587.4879 1.97% - 1s 0 0 12587.9558 0 67 12840.0000 12587.9558 1.96% - 1s 0 0 12588.0384 0 70 12840.0000 12588.0384 1.96% - 1s 0 0 12588.1715 0 70 12840.0000 12588.1715 1.96% - 1s H 0 0 12833.000000 12588.1715 1.91% - 1s 0 2 12588.2002 0 70 12833.0000 12588.2002 1.91% - 1s * 376 108 11 12832.000000 12698.3368 1.04% 6.2 2s Cutting planes: Gomory: 6 Zero half: 15 Explored 1070 nodes (6235 simplex iterations) in 3.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283200000000e+04, best bound 1.283200000000e+04, gap 0.0% adding cut for [(3, 26), (3, 29), (5, 26), (5, 35), (6, 42), (6, 48), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (11, 25), (11, 45), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (25, 42), (29, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (35, 45), (36, 46)] Optimize a model with 552 rows, 1128 columns and 137601 nonzeros Presolve time: 0.07s Presolved: 552 rows, 1128 columns, 137601 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12843.000000 12550.5000 2.28% - 0s 0 0 12568.4500 0 38 12843.0000 12568.4500 2.14% - 0s 0 0 12568.4500 0 40 12843.0000 12568.4500 2.14% - 0s 0 0 12568.4500 0 38 12843.0000 12568.4500 2.14% - 0s 0 0 12576.6341 0 52 12843.0000 12576.6341 2.07% - 0s H 0 0 12840.000000 12576.6341 2.05% - 0s 0 0 12579.3803 0 45 12840.0000 12579.3803 2.03% - 0s 0 0 12580.8192 0 54 12840.0000 12580.8192 2.02% - 0s 0 0 12580.8547 0 62 12840.0000 12580.8547 2.02% - 0s 0 0 12582.0094 0 50 12840.0000 12582.0094 2.01% - 0s 0 0 12582.1573 0 58 12840.0000 12582.1573 2.01% - 0s 0 0 12582.2432 0 64 12840.0000 12582.2432 2.01% - 0s 0 0 12582.7933 0 53 12840.0000 12582.7933 2.00% - 0s 0 0 12582.9412 0 63 12840.0000 12582.9412 2.00% - 0s 0 0 12583.6032 0 66 12840.0000 12583.6032 2.00% - 0s 0 0 12584.3030 0 58 12840.0000 12584.3030 1.99% - 0s 0 0 12584.3828 0 66 12840.0000 12584.3828 1.99% - 0s 0 0 12584.8602 0 63 12840.0000 12584.8602 1.99% - 0s 0 0 12584.8645 0 66 12840.0000 12584.8645 1.99% - 0s 0 0 12585.0295 0 66 12840.0000 12585.0295 1.99% - 0s 0 0 12585.0534 0 64 12840.0000 12585.0534 1.99% - 0s 0 0 12585.0782 0 69 12840.0000 12585.0782 1.99% - 0s 0 0 12585.2042 0 71 12840.0000 12585.2042 1.98% - 0s 0 0 12585.7335 0 63 12840.0000 12585.7335 1.98% - 0s 0 0 12585.7476 0 72 12840.0000 12585.7476 1.98% - 1s 0 0 12586.1902 0 62 12840.0000 12586.1902 1.98% - 1s 0 0 12586.2391 0 67 12840.0000 12586.2391 1.98% - 1s 0 0 12586.6790 0 67 12840.0000 12586.6790 1.97% - 1s 0 0 12586.8134 0 68 12840.0000 12586.8134 1.97% - 1s 0 0 12586.8509 0 71 12840.0000 12586.8509 1.97% - 1s 0 0 12586.8676 0 71 12840.0000 12586.8676 1.97% - 1s 0 0 12587.1278 0 64 12840.0000 12587.1278 1.97% - 1s 0 0 12587.2274 0 67 12840.0000 12587.2274 1.97% - 1s 0 0 12587.3149 0 70 12840.0000 12587.3149 1.97% - 1s 0 0 12587.4250 0 73 12840.0000 12587.4250 1.97% - 1s H 0 0 12836.000000 12587.4250 1.94% - 1s 0 2 12587.4347 0 73 12836.0000 12587.4347 1.94% - 2s * 46 25 7 12833.000000 12612.4167 1.72% 7.4 2s * 118 56 17 12832.000000 12637.5625 1.52% 7.0 2s Cutting planes: Gomory: 4 Zero half: 18 Mod-K: 2 Explored 1003 nodes (6798 simplex iterations) in 3.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283200000000e+04, best bound 1.283100000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (12, 13), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 553 rows, 1128 columns and 137832 nonzeros Presolve time: 0.08s Presolved: 553 rows, 1128 columns, 137832 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12833.000000 12550.5000 2.20% - 0s 0 0 12568.4500 0 38 12833.0000 12568.4500 2.06% - 0s 0 0 12568.4500 0 40 12833.0000 12568.4500 2.06% - 0s 0 0 12568.4500 0 38 12833.0000 12568.4500 2.06% - 0s 0 0 12573.0000 0 43 12833.0000 12573.0000 2.03% - 0s 0 0 12578.4759 0 50 12833.0000 12578.4759 1.98% - 0s 0 0 12578.8388 0 59 12833.0000 12578.8388 1.98% - 0s 0 0 12579.5896 0 56 12833.0000 12579.5896 1.97% - 0s 0 0 12579.7452 0 59 12833.0000 12579.7452 1.97% - 0s 0 0 12580.7962 0 52 12833.0000 12580.7962 1.97% - 0s 0 0 12580.8885 0 60 12833.0000 12580.8885 1.96% - 0s 0 0 12581.6933 0 55 12833.0000 12581.6933 1.96% - 0s 0 0 12581.8013 0 63 12833.0000 12581.8013 1.96% - 0s 0 0 12582.1526 0 57 12833.0000 12582.1526 1.95% - 0s 0 0 12582.3889 0 57 12833.0000 12582.3889 1.95% - 0s 0 0 12582.4432 0 65 12833.0000 12582.4432 1.95% - 0s 0 0 12583.0865 0 50 12833.0000 12583.0865 1.95% - 0s 0 0 12583.1176 0 62 12833.0000 12583.1176 1.95% - 0s 0 0 12583.5106 0 59 12833.0000 12583.5106 1.94% - 0s 0 0 12583.8368 0 64 12833.0000 12583.8368 1.94% - 0s 0 0 12584.1311 0 68 12833.0000 12584.1311 1.94% - 0s 0 0 12585.1338 0 56 12833.0000 12585.1338 1.93% - 0s 0 0 12585.2487 0 61 12833.0000 12585.2487 1.93% - 0s 0 0 12585.9188 0 58 12833.0000 12585.9188 1.93% - 0s 0 0 12586.0292 0 64 12833.0000 12586.0292 1.92% - 0s 0 0 12586.3808 0 64 12833.0000 12586.3808 1.92% - 0s 0 0 12586.5276 0 66 12833.0000 12586.5276 1.92% - 0s 0 0 12587.0135 0 65 12833.0000 12587.0135 1.92% - 1s 0 0 12587.2424 0 65 12833.0000 12587.2424 1.92% - 1s 0 0 12587.2720 0 69 12833.0000 12587.2720 1.91% - 1s 0 0 12587.3004 0 66 12833.0000 12587.3004 1.91% - 1s 0 0 12587.3223 0 69 12833.0000 12587.3223 1.91% - 1s 0 0 12588.0224 0 66 12833.0000 12588.0224 1.91% - 1s 0 0 12589.7093 0 70 12833.0000 12589.7093 1.90% - 1s 0 0 12589.9135 0 67 12833.0000 12589.9135 1.89% - 1s 0 0 12589.9588 0 72 12833.0000 12589.9588 1.89% - 1s 0 0 12590.4522 0 69 12833.0000 12590.4522 1.89% - 1s 0 0 12590.6735 0 72 12833.0000 12590.6735 1.89% - 1s 0 0 12590.9385 0 76 12833.0000 12590.9385 1.89% - 1s 0 0 12591.5841 0 77 12833.0000 12591.5841 1.88% - 1s 0 0 12592.8008 0 71 12833.0000 12592.8008 1.87% - 1s 0 0 12593.1487 0 69 12833.0000 12593.1487 1.87% - 1s 0 0 12593.3415 0 75 12833.0000 12593.3415 1.87% - 1s 0 0 12594.2357 0 67 12833.0000 12594.2357 1.86% - 1s 0 0 12594.5194 0 69 12833.0000 12594.5194 1.86% - 1s 0 0 12594.5613 0 78 12833.0000 12594.5613 1.86% - 1s 0 2 12594.5757 0 78 12833.0000 12594.5757 1.86% - 2s 736 142 12735.3333 14 12 12833.0000 12735.3333 0.76% 6.9 5s * 807 150 25 12832.000000 12735.3333 0.75% 6.8 5s Cutting planes: Gomory: 3 Zero half: 13 Explored 1566 nodes (10110 simplex iterations) in 5.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283200000000e+04, best bound 1.283200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 46), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 554 rows, 1128 columns and 138108 nonzeros Presolve time: 0.08s Presolved: 554 rows, 1128 columns, 138108 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12959.000000 12550.5000 3.15% - 0s 0 0 12568.4500 0 38 12959.0000 12568.4500 3.01% - 0s 0 0 12568.4500 0 40 12959.0000 12568.4500 3.01% - 0s 0 0 12568.4500 0 38 12959.0000 12568.4500 3.01% - 0s 0 0 12576.6341 0 52 12959.0000 12576.6341 2.95% - 0s 0 0 12579.2259 0 45 12959.0000 12579.2259 2.93% - 0s 0 0 12580.9810 0 54 12959.0000 12580.9810 2.92% - 0s 0 0 12581.0594 0 62 12959.0000 12581.0594 2.92% - 0s 0 0 12581.5829 0 47 12959.0000 12581.5829 2.91% - 0s 0 0 12581.6361 0 54 12959.0000 12581.6361 2.91% - 0s 0 0 12581.6675 0 62 12959.0000 12581.6675 2.91% - 0s 0 0 12581.9264 0 48 12959.0000 12581.9264 2.91% - 0s 0 0 12582.0270 0 56 12959.0000 12582.0270 2.91% - 0s 0 0 12582.1588 0 67 12959.0000 12582.1588 2.91% - 0s 0 0 12582.5211 0 59 12959.0000 12582.5211 2.91% - 0s 0 0 12582.6941 0 68 12959.0000 12582.6941 2.90% - 0s 0 0 12583.2485 0 63 12959.0000 12583.2485 2.90% - 0s 0 0 12583.4307 0 70 12959.0000 12583.4307 2.90% - 0s 0 0 12583.8133 0 69 12959.0000 12583.8133 2.90% - 0s 0 0 12583.8845 0 70 12959.0000 12583.8845 2.89% - 0s 0 0 12584.0594 0 71 12959.0000 12584.0594 2.89% - 1s 0 0 12584.4445 0 70 12959.0000 12584.4445 2.89% - 1s 0 0 12584.4777 0 70 12959.0000 12584.4777 2.89% - 1s 0 0 12585.3765 0 65 12959.0000 12585.3765 2.88% - 1s 0 0 12585.7336 0 66 12959.0000 12585.7336 2.88% - 1s 0 0 12585.9996 0 70 12959.0000 12585.9996 2.88% - 1s 0 0 12586.1931 0 75 12959.0000 12586.1931 2.88% - 1s 0 0 12586.5955 0 65 12959.0000 12586.5955 2.87% - 1s 0 0 12586.6193 0 69 12959.0000 12586.6193 2.87% - 1s 0 0 12587.0109 0 72 12959.0000 12587.0109 2.87% - 1s 0 0 12587.6346 0 71 12959.0000 12587.6346 2.87% - 1s 0 0 12587.9102 0 72 12959.0000 12587.9102 2.86% - 1s 0 0 12588.4801 0 68 12959.0000 12588.4801 2.86% - 1s 0 0 12591.0245 0 65 12959.0000 12591.0245 2.84% - 1s 0 0 12591.8189 0 75 12959.0000 12591.8189 2.83% - 1s 0 0 12592.4338 0 63 12959.0000 12592.4338 2.83% - 1s 0 0 12592.6562 0 69 12959.0000 12592.6562 2.83% - 1s 0 0 12593.1398 0 65 12959.0000 12593.1398 2.82% - 1s 0 0 12593.2568 0 74 12959.0000 12593.2568 2.82% - 1s H 0 0 12845.000000 12593.2568 1.96% - 1s H 0 0 12841.000000 12593.2568 1.93% - 1s 0 2 12593.3229 0 74 12841.0000 12593.3229 1.93% - 2s * 141 73 14 12840.000000 12643.0000 1.53% 6.0 2s * 256 102 17 12834.000000 12666.5000 1.31% 5.6 2s * 462 151 17 12833.000000 12683.0000 1.17% 6.1 3s * 500 165 16 12832.000000 12685.4519 1.14% 6.1 3s 613 182 12738.6667 11 74 12832.0000 12701.0000 1.02% 6.0 5s Cutting planes: Gomory: 3 Zero half: 12 Explored 1555 nodes (10134 simplex iterations) in 6.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283200000000e+04, best bound 1.283200000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 555 rows, 1128 columns and 138361 nonzeros Presolve time: 0.08s Presolved: 555 rows, 1128 columns, 138361 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12844.000000 12550.5000 2.29% - 0s 0 0 12568.4500 0 38 12844.0000 12568.4500 2.15% - 0s 0 0 12568.4500 0 40 12844.0000 12568.4500 2.15% - 0s 0 0 12568.4500 0 38 12844.0000 12568.4500 2.15% - 0s 0 0 12575.9048 0 48 12844.0000 12575.9048 2.09% - 0s 0 0 12577.8082 0 44 12844.0000 12577.8082 2.07% - 0s 0 0 12577.9331 0 52 12844.0000 12577.9331 2.07% - 0s 0 0 12578.1714 0 52 12844.0000 12578.1714 2.07% - 0s 0 0 12578.4203 0 56 12844.0000 12578.4203 2.07% - 0s 0 0 12578.5568 0 50 12844.0000 12578.5568 2.07% - 0s 0 0 12578.6674 0 58 12844.0000 12578.6674 2.07% - 0s 0 0 12579.1170 0 48 12844.0000 12579.1170 2.06% - 0s 0 0 12579.1688 0 49 12844.0000 12579.1688 2.06% - 0s 0 0 12579.1792 0 56 12844.0000 12579.1792 2.06% - 0s 0 0 12579.2149 0 54 12844.0000 12579.2149 2.06% - 0s 0 0 12579.2265 0 62 12844.0000 12579.2265 2.06% - 0s 0 0 12579.2452 0 56 12844.0000 12579.2452 2.06% - 0s 0 0 12579.2904 0 63 12844.0000 12579.2904 2.06% - 0s 0 0 12579.5009 0 48 12844.0000 12579.5009 2.06% - 0s 0 0 12579.5904 0 56 12844.0000 12579.5904 2.06% - 1s 0 0 12579.8273 0 55 12844.0000 12579.8273 2.06% - 1s 0 0 12579.9024 0 63 12844.0000 12579.9024 2.06% - 1s 0 0 12580.0291 0 54 12844.0000 12580.0291 2.06% - 1s 0 0 12580.0966 0 62 12844.0000 12580.0966 2.05% - 1s 0 0 12580.5042 0 59 12844.0000 12580.5042 2.05% - 1s 0 0 12580.9073 0 67 12844.0000 12580.9073 2.05% - 1s 0 0 12581.2428 0 55 12844.0000 12581.2428 2.05% - 1s 0 0 12581.3384 0 60 12844.0000 12581.3384 2.05% - 1s 0 0 12581.5767 0 60 12844.0000 12581.5767 2.04% - 1s 0 0 12581.7671 0 63 12844.0000 12581.7671 2.04% - 1s 0 0 12582.3717 0 70 12844.0000 12582.3717 2.04% - 1s 0 0 12582.4914 0 70 12844.0000 12582.4914 2.04% - 1s 0 0 12582.8206 0 58 12844.0000 12582.8206 2.03% - 1s 0 0 12583.0768 0 64 12844.0000 12583.0768 2.03% - 1s 0 0 12583.1327 0 65 12844.0000 12583.1327 2.03% - 1s 0 0 12583.5901 0 65 12844.0000 12583.5901 2.03% - 1s 0 0 12583.9534 0 67 12844.0000 12583.9534 2.02% - 1s 0 0 12584.0045 0 69 12844.0000 12584.0045 2.02% - 1s H 0 0 12841.000000 12584.0045 2.00% - 1s H 0 0 12833.000000 12584.0045 1.94% - 1s 0 2 12584.0304 0 69 12833.0000 12584.0304 1.94% - 2s * 331 95 12 12832.000000 12694.7500 1.07% 6.4 2s Cutting planes: Gomory: 5 Zero half: 11 Explored 1086 nodes (6742 simplex iterations) in 3.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283200000000e+04, best bound 1.283100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 556 rows, 1128 columns and 138661 nonzeros Presolve time: 0.08s Presolved: 556 rows, 1128 columns, 138661 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 13025.000000 12550.5000 3.64% - 0s 0 0 12568.4500 0 38 13025.0000 12568.4500 3.51% - 0s 0 0 12568.4500 0 40 13025.0000 12568.4500 3.51% - 0s H 0 0 12882.000000 12568.4500 2.43% - 0s 0 0 12568.4500 0 38 12882.0000 12568.4500 2.43% - 0s 0 2 12574.4286 0 38 12882.0000 12574.4286 2.39% - 0s H 49 22 12844.000000 12609.6788 1.82% 15.1 2s * 52 21 30 12843.000000 12609.6788 1.82% 14.6 2s * 129 35 56 12842.000000 12633.3946 1.62% 9.9 2s * 256 73 24 12835.000000 12678.6000 1.22% 8.2 2s * 668 118 29 12833.000000 12742.0000 0.71% 6.4 3s Cutting planes: Gomory: 9 Zero half: 11 Mod-K: 2 Explored 998 nodes (6156 simplex iterations) in 3.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283300000000e+04, best bound 1.283300000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 557 rows, 1128 columns and 138914 nonzeros Presolve time: 0.08s Presolved: 557 rows, 1128 columns, 138914 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12844.000000 12550.5000 2.29% - 0s 0 0 12568.4500 0 38 12844.0000 12568.4500 2.15% - 0s 0 0 12568.4500 0 40 12844.0000 12568.4500 2.15% - 0s 0 0 12568.4500 0 38 12844.0000 12568.4500 2.15% - 0s 0 0 12575.9009 0 52 12844.0000 12575.9009 2.09% - 0s H 0 0 12841.000000 12575.9009 2.06% - 0s 0 0 12577.8649 0 44 12841.0000 12577.8649 2.05% - 0s 0 0 12578.0193 0 52 12841.0000 12578.0193 2.05% - 0s 0 0 12578.2615 0 56 12841.0000 12578.2615 2.05% - 0s 0 0 12578.6835 0 58 12841.0000 12578.6835 2.04% - 0s 0 0 12578.9922 0 61 12841.0000 12578.9922 2.04% - 0s 0 0 12579.4618 0 57 12841.0000 12579.4618 2.04% - 0s 0 0 12579.8007 0 51 12841.0000 12579.8007 2.03% - 0s 0 0 12579.8913 0 63 12841.0000 12579.8913 2.03% - 0s 0 0 12579.9027 0 64 12841.0000 12579.9027 2.03% - 0s 0 0 12580.1076 0 55 12841.0000 12580.1076 2.03% - 0s 0 0 12580.2072 0 63 12841.0000 12580.2072 2.03% - 0s 0 0 12580.7360 0 56 12841.0000 12580.7360 2.03% - 0s 0 0 12581.1067 0 58 12841.0000 12581.1067 2.02% - 0s 0 0 12581.2027 0 61 12841.0000 12581.2027 2.02% - 0s 0 0 12581.3437 0 64 12841.0000 12581.3437 2.02% - 0s 0 0 12581.5822 0 70 12841.0000 12581.5822 2.02% - 0s 0 0 12581.9897 0 62 12841.0000 12581.9897 2.02% - 0s 0 0 12582.0814 0 69 12841.0000 12582.0814 2.02% - 0s 0 0 12582.1107 0 70 12841.0000 12582.1107 2.02% - 1s 0 0 12582.2986 0 66 12841.0000 12582.2986 2.01% - 1s 0 0 12583.4786 0 61 12841.0000 12583.4786 2.01% - 1s 0 0 12583.5508 0 66 12841.0000 12583.5508 2.00% - 1s 0 0 12583.6310 0 66 12841.0000 12583.6310 2.00% - 1s 0 0 12583.7545 0 72 12841.0000 12583.7545 2.00% - 1s 0 2 12583.9323 0 72 12841.0000 12583.9323 2.00% - 1s H 105 53 12833.000000 12635.5000 1.54% 6.4 2s 1468 75 12803.1667 31 22 12833.0000 12777.0000 0.44% 6.1 5s Cutting planes: Gomory: 4 Zero half: 10 Explored 1575 nodes (9872 simplex iterations) in 5.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283300000000e+04, best bound 1.283300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 558 rows, 1128 columns and 139190 nonzeros Presolve time: 0.08s Presolved: 558 rows, 1128 columns, 139190 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12845.000000 12550.5000 2.29% - 0s 0 0 12568.4500 0 38 12845.0000 12568.4500 2.15% - 0s 0 0 12568.4500 0 40 12845.0000 12568.4500 2.15% - 0s 0 0 12568.4500 0 38 12845.0000 12568.4500 2.15% - 0s 0 0 12575.5918 0 52 12845.0000 12575.5918 2.10% - 0s 0 0 12578.3168 0 42 12845.0000 12578.3168 2.08% - 0s 0 0 12578.6085 0 54 12845.0000 12578.6085 2.07% - 0s 0 0 12579.3009 0 47 12845.0000 12579.3009 2.07% - 0s 0 0 12579.4211 0 55 12845.0000 12579.4211 2.07% - 0s 0 0 12579.4800 0 51 12845.0000 12579.4800 2.07% - 0s 0 0 12579.5980 0 59 12845.0000 12579.5980 2.07% - 0s 0 0 12580.0595 0 50 12845.0000 12580.0595 2.06% - 0s 0 0 12580.1819 0 60 12845.0000 12580.1819 2.06% - 0s 0 0 12580.4474 0 54 12845.0000 12580.4474 2.06% - 0s 0 0 12580.5495 0 62 12845.0000 12580.5495 2.06% - 0s 0 0 12580.9260 0 54 12845.0000 12580.9260 2.06% - 0s 0 0 12581.0952 0 64 12845.0000 12581.0952 2.05% - 0s 0 0 12581.5268 0 65 12845.0000 12581.5268 2.05% - 0s 0 0 12582.9741 0 60 12845.0000 12582.9741 2.04% - 0s 0 0 12583.5618 0 62 12845.0000 12583.5618 2.04% - 0s 0 0 12583.8171 0 68 12845.0000 12583.8171 2.03% - 0s 0 0 12584.1336 0 66 12845.0000 12584.1336 2.03% - 0s 0 0 12584.6894 0 66 12845.0000 12584.6894 2.03% - 0s 0 0 12585.1622 0 63 12845.0000 12585.1622 2.02% - 0s 0 0 12585.2750 0 68 12845.0000 12585.2750 2.02% - 0s 0 0 12585.6062 0 65 12845.0000 12585.6062 2.02% - 0s 0 0 12585.8284 0 69 12845.0000 12585.8284 2.02% - 0s 0 0 12585.8676 0 69 12845.0000 12585.8676 2.02% - 1s 0 0 12586.1586 0 65 12845.0000 12586.1586 2.02% - 1s 0 0 12586.2229 0 71 12845.0000 12586.2229 2.01% - 1s 0 0 12586.7138 0 72 12845.0000 12586.7138 2.01% - 1s 0 0 12586.9690 0 76 12845.0000 12586.9690 2.01% - 1s 0 0 12587.3234 0 66 12845.0000 12587.3234 2.01% - 1s 0 0 12587.6413 0 60 12845.0000 12587.6413 2.00% - 1s 0 0 12587.7618 0 63 12845.0000 12587.7618 2.00% - 1s 0 0 12587.7648 0 67 12845.0000 12587.7648 2.00% - 1s 0 0 12587.8342 0 70 12845.0000 12587.8342 2.00% - 1s 0 2 12587.9017 0 70 12845.0000 12587.9017 2.00% - 2s * 190 72 8 12837.000000 12650.4074 1.45% 6.9 2s * 227 77 17 12836.000000 12669.7500 1.30% 7.0 2s * 243 82 23 12835.000000 12669.8462 1.29% 7.2 2s * 404 108 12 12834.000000 12703.3577 1.02% 7.1 2s * 807 144 29 12833.000000 12713.6667 0.93% 7.0 4s 997 107 12792.0000 21 8 12833.0000 12713.6667 0.93% 7.0 5s Cutting planes: Gomory: 3 Zero half: 13 Explored 1452 nodes (10094 simplex iterations) in 5.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283300000000e+04, best bound 1.283300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 559 rows, 1128 columns and 139466 nonzeros Presolve time: 0.08s Presolved: 559 rows, 1128 columns, 139466 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12550.5000 2.54% - 0s 0 0 12568.4500 0 38 12878.0000 12568.4500 2.40% - 0s 0 0 12568.4500 0 40 12878.0000 12568.4500 2.40% - 0s 0 0 12568.4500 0 38 12878.0000 12568.4500 2.40% - 0s 0 0 12574.4848 0 54 12878.0000 12574.4848 2.36% - 0s 0 0 12576.4545 0 52 12878.0000 12576.4545 2.34% - 0s 0 0 12576.5225 0 60 12878.0000 12576.5225 2.34% - 0s 0 0 12577.0587 0 62 12878.0000 12577.0587 2.34% - 0s 0 0 12577.8256 0 54 12878.0000 12577.8256 2.33% - 0s 0 0 12578.1951 0 55 12878.0000 12578.1951 2.33% - 0s 0 0 12578.2810 0 63 12878.0000 12578.2810 2.33% - 0s 0 0 12578.5163 0 60 12878.0000 12578.5163 2.33% - 0s 0 0 12578.5227 0 56 12878.0000 12578.5227 2.33% - 0s 0 0 12578.5625 0 67 12878.0000 12578.5625 2.33% - 0s 0 0 12578.7757 0 65 12878.0000 12578.7757 2.32% - 0s 0 0 12579.7617 0 61 12878.0000 12579.7617 2.32% - 0s 0 0 12579.8611 0 65 12878.0000 12579.8611 2.32% - 0s 0 0 12579.9403 0 64 12878.0000 12579.9403 2.31% - 0s 0 0 12579.9469 0 65 12878.0000 12579.9469 2.31% - 0s 0 0 12580.2228 0 66 12878.0000 12580.2228 2.31% - 1s 0 0 12580.2741 0 72 12878.0000 12580.2741 2.31% - 1s 0 0 12581.9907 0 54 12878.0000 12581.9907 2.30% - 1s 0 0 12582.4787 0 60 12878.0000 12582.4787 2.29% - 1s 0 0 12582.9103 0 62 12878.0000 12582.9103 2.29% - 1s 0 0 12583.0683 0 64 12878.0000 12583.0683 2.29% - 1s 0 0 12583.3759 0 61 12878.0000 12583.3759 2.29% - 1s 0 0 12583.6318 0 66 12878.0000 12583.6318 2.29% - 1s 0 0 12584.1051 0 62 12878.0000 12584.1051 2.28% - 1s 0 0 12584.2907 0 66 12878.0000 12584.2907 2.28% - 1s 0 0 12584.4280 0 68 12878.0000 12584.4280 2.28% - 1s 0 0 12584.7052 0 63 12878.0000 12584.7052 2.28% - 1s 0 0 12584.9936 0 65 12878.0000 12584.9936 2.28% - 1s 0 0 12585.2644 0 62 12878.0000 12585.2644 2.27% - 1s 0 0 12585.3423 0 65 12878.0000 12585.3423 2.27% - 1s 0 0 12585.4768 0 72 12878.0000 12585.4768 2.27% - 1s 0 0 12585.6088 0 67 12878.0000 12585.6088 2.27% - 1s 0 0 12585.6478 0 74 12878.0000 12585.6478 2.27% - 1s 0 0 12586.2174 0 61 12878.0000 12586.2174 2.27% - 1s 0 0 12586.3315 0 67 12878.0000 12586.3315 2.26% - 1s 0 0 12586.7503 0 61 12878.0000 12586.7503 2.26% - 1s 0 0 12587.7220 0 67 12878.0000 12587.7220 2.25% - 1s 0 0 12588.0018 0 63 12878.0000 12588.0018 2.25% - 1s 0 0 12588.0018 0 63 12878.0000 12588.0018 2.25% - 1s H 0 0 12833.000000 12588.0018 1.91% - 1s 0 2 12588.1618 0 63 12833.0000 12588.1618 1.91% - 2s 939 129 12793.3750 21 40 12833.0000 12723.8333 0.85% 6.2 5s Cutting planes: Gomory: 3 Zero half: 9 Explored 1578 nodes (9703 simplex iterations) in 5.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283300000000e+04, best bound 1.283300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 560 rows, 1128 columns and 139742 nonzeros Presolve time: 0.08s Presolved: 560 rows, 1128 columns, 139742 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start 0 0 12568.4500 0 38 47372.0000 12568.4500 73.5% - 0s 0 0 12573.0000 0 43 47372.0000 12573.0000 73.5% - 0s 0 0 12578.5776 0 50 47372.0000 12578.5776 73.4% - 0s 0 0 12578.8725 0 58 47372.0000 12578.8725 73.4% - 0s 0 0 12579.2759 0 49 47372.0000 12579.2759 73.4% - 0s 0 0 12579.6757 0 48 47372.0000 12579.6757 73.4% - 0s 0 0 12579.6898 0 60 47372.0000 12579.6898 73.4% - 0s 0 0 12580.2251 0 59 47372.0000 12580.2251 73.4% - 0s H 0 0 15358.000000 12580.2251 18.1% - 0s H 0 0 13420.000000 12580.2251 6.26% - 0s H 0 0 12845.000000 12580.2251 2.06% - 0s 0 0 12581.3282 0 58 12845.0000 12581.3282 2.05% - 0s 0 0 12581.3282 0 40 12845.0000 12581.3282 2.05% - 0s 0 0 12581.3282 0 45 12845.0000 12581.3282 2.05% - 1s 0 0 12582.5596 0 50 12845.0000 12582.5596 2.04% - 1s 0 0 12582.8654 0 59 12845.0000 12582.8654 2.04% - 1s 0 0 12582.9229 0 65 12845.0000 12582.9229 2.04% - 1s 0 0 12584.1201 0 61 12845.0000 12584.1201 2.03% - 1s 0 0 12584.2441 0 66 12845.0000 12584.2441 2.03% - 1s 0 0 12585.1760 0 61 12845.0000 12585.1760 2.02% - 1s 0 0 12585.4150 0 66 12845.0000 12585.4150 2.02% - 1s 0 0 12585.9611 0 66 12845.0000 12585.9611 2.02% - 1s 0 0 12586.1538 0 60 12845.0000 12586.1538 2.02% - 1s 0 0 12586.2155 0 65 12845.0000 12586.2155 2.01% - 1s 0 0 12586.2967 0 52 12845.0000 12586.2967 2.01% - 1s 0 0 12586.4150 0 67 12845.0000 12586.4150 2.01% - 1s 0 0 12586.5979 0 75 12845.0000 12586.5979 2.01% - 1s 0 0 12586.8461 0 73 12845.0000 12586.8461 2.01% - 1s 0 0 12587.1862 0 68 12845.0000 12587.1862 2.01% - 1s 0 0 12587.5688 0 72 12845.0000 12587.5688 2.00% - 1s 0 0 12588.0653 0 72 12845.0000 12588.0653 2.00% - 1s 0 0 12588.1388 0 71 12845.0000 12588.1388 2.00% - 1s 0 0 12588.6697 0 67 12845.0000 12588.6697 2.00% - 1s 0 0 12588.9400 0 70 12845.0000 12588.9400 1.99% - 1s 0 0 12590.7787 0 69 12845.0000 12590.7787 1.98% - 1s 0 0 12591.6173 0 70 12845.0000 12591.6173 1.97% - 1s 0 0 12591.9808 0 72 12845.0000 12591.9808 1.97% - 1s 0 0 12592.1455 0 72 12845.0000 12592.1455 1.97% - 1s 0 2 12592.1591 0 72 12845.0000 12592.1591 1.97% - 2s * 27 18 23 12835.000000 12601.4960 1.82% 9.6 2s * 415 139 13 12834.000000 12692.8000 1.10% 6.6 2s 955 199 cutoff 22 12834.0000 12722.0000 0.87% 7.0 5s Cutting planes: Gomory: 3 MIR: 1 Zero half: 12 Explored 1753 nodes (11387 simplex iterations) in 5.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283400000000e+04, best bound 1.283300000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 561 rows, 1128 columns and 139973 nonzeros Presolve time: 0.08s Presolved: 561 rows, 1128 columns, 139973 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start 0 0 12568.4500 0 38 47372.0000 12568.4500 73.5% - 0s 0 0 12573.0000 0 43 47372.0000 12573.0000 73.5% - 0s 0 0 12578.5776 0 50 47372.0000 12578.5776 73.4% - 0s 0 0 12578.8725 0 58 47372.0000 12578.8725 73.4% - 0s 0 0 12579.2759 0 49 47372.0000 12579.2759 73.4% - 0s 0 0 12579.4556 0 54 47372.0000 12579.4556 73.4% - 0s 0 0 12579.7993 0 54 47372.0000 12579.7993 73.4% - 0s 0 0 12579.9597 0 59 47372.0000 12579.9597 73.4% - 0s 0 0 12580.9560 0 59 47372.0000 12580.9560 73.4% - 0s 0 0 12581.9555 0 68 47372.0000 12581.9555 73.4% - 0s 0 0 12582.4662 0 64 47372.0000 12582.4662 73.4% - 0s 0 0 12583.0426 0 64 47372.0000 12583.0426 73.4% - 0s 0 0 12583.2217 0 59 47372.0000 12583.2217 73.4% - 0s H 0 0 14395.000000 12583.2217 12.6% - 0s H 0 0 13420.000000 12583.2217 6.24% - 0s H 0 0 12845.000000 12583.2217 2.04% - 0s 0 0 12583.3379 0 64 12845.0000 12583.3379 2.04% - 0s 0 0 12583.3379 0 40 12845.0000 12583.3379 2.04% - 1s 0 0 12583.3379 0 49 12845.0000 12583.3379 2.04% - 1s 0 0 12583.3379 0 57 12845.0000 12583.3379 2.04% - 1s 0 0 12584.1960 0 52 12845.0000 12584.1960 2.03% - 1s 0 0 12584.4994 0 63 12845.0000 12584.4994 2.03% - 1s 0 0 12584.7667 0 63 12845.0000 12584.7667 2.03% - 1s 0 0 12585.3379 0 67 12845.0000 12585.3379 2.02% - 1s 0 0 12585.9254 0 65 12845.0000 12585.9254 2.02% - 1s 0 0 12586.6041 0 65 12845.0000 12586.6041 2.01% - 1s 0 0 12586.6587 0 67 12845.0000 12586.6587 2.01% - 1s 0 0 12586.7145 0 70 12845.0000 12586.7145 2.01% - 1s 0 0 12587.3262 0 69 12845.0000 12587.3262 2.01% - 1s 0 0 12587.4335 0 69 12845.0000 12587.4335 2.01% - 1s 0 0 12587.6412 0 73 12845.0000 12587.6412 2.00% - 1s 0 0 12587.6972 0 65 12845.0000 12587.6972 2.00% - 1s 0 0 12587.7977 0 72 12845.0000 12587.7977 2.00% - 1s 0 0 12590.3030 0 72 12845.0000 12590.3030 1.98% - 1s 0 0 12590.8266 0 73 12845.0000 12590.8266 1.98% - 1s 0 0 12592.6651 0 75 12845.0000 12592.6651 1.96% - 1s 0 0 12592.9675 0 78 12845.0000 12592.9675 1.96% - 1s 0 0 12593.6107 0 72 12845.0000 12593.6107 1.96% - 1s 0 0 12593.7177 0 78 12845.0000 12593.7177 1.96% - 1s 0 0 12594.4427 0 72 12845.0000 12594.4427 1.95% - 1s 0 0 12594.6287 0 74 12845.0000 12594.6287 1.95% - 1s 0 0 12594.9171 0 72 12845.0000 12594.9171 1.95% - 1s 0 0 12595.0356 0 75 12845.0000 12595.0356 1.95% - 1s 0 0 12595.1141 0 81 12845.0000 12595.1141 1.95% - 1s 0 2 12595.1466 0 81 12845.0000 12595.1466 1.95% - 2s * 34 22 27 12834.000000 12613.2361 1.72% 8.2 2s Cutting planes: Gomory: 3 MIR: 1 Zero half: 25 Mod-K: 4 Explored 1078 nodes (7620 simplex iterations) in 3.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283400000000e+04, best bound 1.283400000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 562 rows, 1128 columns and 140249 nonzeros Presolve time: 0.08s Presolved: 562 rows, 1128 columns, 140249 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12886.000000 12550.5000 2.60% - 0s 0 0 12568.4500 0 38 12886.0000 12568.4500 2.46% - 0s 0 0 12568.4500 0 40 12886.0000 12568.4500 2.46% - 0s 0 0 12568.4500 0 38 12886.0000 12568.4500 2.46% - 0s 0 0 12573.1250 0 47 12886.0000 12573.1250 2.43% - 0s 0 0 12575.8676 0 51 12886.0000 12575.8676 2.41% - 0s 0 0 12575.9583 0 57 12886.0000 12575.9583 2.41% - 0s 0 0 12576.2239 0 60 12886.0000 12576.2239 2.40% - 0s 0 0 12577.0440 0 55 12886.0000 12577.0440 2.40% - 0s 0 0 12577.4408 0 59 12886.0000 12577.4408 2.39% - 0s 0 0 12577.8671 0 54 12886.0000 12577.8671 2.39% - 0s 0 0 12577.9566 0 62 12886.0000 12577.9566 2.39% - 0s 0 0 12578.3756 0 70 12886.0000 12578.3756 2.39% - 0s 0 0 12578.7384 0 65 12886.0000 12578.7384 2.38% - 0s 0 0 12578.9136 0 63 12886.0000 12578.9136 2.38% - 0s 0 0 12579.0557 0 69 12886.0000 12579.0557 2.38% - 0s 0 0 12579.1416 0 65 12886.0000 12579.1416 2.38% - 0s 0 0 12579.2777 0 62 12886.0000 12579.2777 2.38% - 0s 0 0 12579.4095 0 68 12886.0000 12579.4095 2.38% - 0s 0 0 12579.5775 0 65 12886.0000 12579.5775 2.38% - 0s 0 0 12579.7655 0 68 12886.0000 12579.7655 2.38% - 0s 0 0 12579.7969 0 68 12886.0000 12579.7969 2.38% - 1s 0 0 12580.0979 0 69 12886.0000 12580.0979 2.37% - 1s 0 0 12582.3298 0 57 12886.0000 12582.3298 2.36% - 1s 0 0 12582.4638 0 56 12886.0000 12582.4638 2.36% - 1s 0 0 12583.5662 0 65 12886.0000 12583.5662 2.35% - 1s 0 0 12583.8373 0 66 12886.0000 12583.8373 2.34% - 1s 0 0 12584.0890 0 78 12886.0000 12584.0890 2.34% - 1s 0 0 12584.1719 0 79 12886.0000 12584.1719 2.34% - 1s 0 0 12584.2675 0 79 12886.0000 12584.2675 2.34% - 1s 0 0 12584.6218 0 80 12886.0000 12584.6218 2.34% - 1s 0 0 12584.7789 0 77 12886.0000 12584.7789 2.34% - 1s 0 0 12584.9809 0 75 12886.0000 12584.9809 2.34% - 1s 0 0 12585.0159 0 77 12886.0000 12585.0159 2.34% - 1s 0 0 12585.1190 0 80 12886.0000 12585.1190 2.33% - 1s 0 0 12586.3148 0 56 12886.0000 12586.3148 2.33% - 1s 0 0 12586.7512 0 64 12886.0000 12586.7512 2.32% - 1s 0 0 12587.1281 0 70 12886.0000 12587.1281 2.32% - 1s 0 0 12587.4045 0 64 12886.0000 12587.4045 2.32% - 1s 0 0 12587.4862 0 71 12886.0000 12587.4862 2.32% - 1s 0 0 12587.6078 0 75 12886.0000 12587.6078 2.32% - 1s 0 0 12588.0431 0 68 12886.0000 12588.0431 2.31% - 1s 0 0 12588.1547 0 72 12886.0000 12588.1547 2.31% - 1s 0 0 12588.1973 0 74 12886.0000 12588.1973 2.31% - 1s 0 0 12588.7253 0 71 12886.0000 12588.7253 2.31% - 1s H 0 0 12842.000000 12588.7253 1.97% - 1s 0 0 12588.8563 0 72 12842.0000 12588.8563 1.97% - 1s 0 0 12588.9312 0 70 12842.0000 12588.9312 1.97% - 1s 0 0 12588.9585 0 66 12842.0000 12588.9585 1.97% - 1s 0 0 12588.9814 0 72 12842.0000 12588.9814 1.97% - 1s 0 0 12589.0524 0 76 12842.0000 12589.0524 1.97% - 1s 0 0 12589.2129 0 71 12842.0000 12589.2129 1.97% - 1s 0 0 12589.3110 0 73 12842.0000 12589.3110 1.97% - 2s 0 0 12589.3137 0 73 12842.0000 12589.3137 1.97% - 2s 0 0 12589.3143 0 74 12842.0000 12589.3143 1.97% - 2s 0 0 12589.5281 0 73 12842.0000 12589.5281 1.97% - 2s 0 0 12589.5406 0 81 12842.0000 12589.5406 1.97% - 2s 0 2 12589.5985 0 81 12842.0000 12589.5985 1.97% - 3s * 37 20 32 12837.000000 12605.2667 1.81% 6.8 3s * 38 19 32 12836.000000 12605.2667 1.80% 6.7 3s * 39 18 32 12835.000000 12605.2667 1.79% 6.7 3s H 258 86 12834.000000 12653.0000 1.41% 6.8 3s Cutting planes: Gomory: 5 Zero half: 17 Mod-K: 2 Explored 1040 nodes (7258 simplex iterations) in 4.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283400000000e+04, best bound 1.283300000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (12, 13), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 563 rows, 1128 columns and 140480 nonzeros Presolve time: 0.08s Presolved: 563 rows, 1128 columns, 140480 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12835.000000 12550.5000 2.22% - 0s 0 0 12568.4500 0 38 12835.0000 12568.4500 2.08% - 0s 0 0 12568.4500 0 40 12835.0000 12568.4500 2.08% - 0s 0 0 12568.4500 0 38 12835.0000 12568.4500 2.08% - 0s 0 0 12576.5854 0 44 12835.0000 12576.5854 2.01% - 0s 0 0 12588.1429 0 39 12835.0000 12588.1429 1.92% - 0s 0 0 12591.4267 0 43 12835.0000 12591.4267 1.90% - 0s 0 0 12594.1528 0 51 12835.0000 12594.1528 1.88% - 0s 0 0 12595.0354 0 60 12835.0000 12595.0354 1.87% - 0s 0 0 12595.2348 0 50 12835.0000 12595.2348 1.87% - 0s 0 0 12595.3036 0 57 12835.0000 12595.3036 1.87% - 0s 0 0 12595.3281 0 55 12835.0000 12595.3281 1.87% - 0s 0 0 12595.3410 0 55 12835.0000 12595.3410 1.87% - 0s 0 2 12597.0000 0 55 12835.0000 12597.0000 1.85% - 1s H 600 212 12834.000000 12695.0000 1.08% 5.8 2s Cutting planes: Gomory: 4 Zero half: 5 Explored 1893 nodes (11281 simplex iterations) in 4.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283400000000e+04, best bound 1.283400000000e+04, gap 0.0% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 564 rows, 1128 columns and 140670 nonzeros Presolve time: 0.08s Presolved: 564 rows, 1128 columns, 140670 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12837.000000 12550.5000 2.23% - 0s 0 0 12568.4500 0 38 12837.0000 12568.4500 2.09% - 0s 0 0 12568.4500 0 40 12837.0000 12568.4500 2.09% - 0s 0 0 12568.4500 0 38 12837.0000 12568.4500 2.09% - 0s 0 0 12574.4848 0 54 12837.0000 12574.4848 2.04% - 0s 0 0 12576.4545 0 52 12837.0000 12576.4545 2.03% - 0s 0 0 12576.5617 0 62 12837.0000 12576.5617 2.03% - 0s 0 0 12577.3711 0 61 12837.0000 12577.3711 2.02% - 0s 0 0 12577.9068 0 63 12837.0000 12577.9068 2.02% - 0s 0 0 12578.1690 0 62 12837.0000 12578.1690 2.02% - 0s 0 0 12578.2549 0 65 12837.0000 12578.2549 2.02% - 0s 0 0 12579.3666 0 59 12837.0000 12579.3666 2.01% - 0s 0 0 12579.4577 0 62 12837.0000 12579.4577 2.01% - 0s 0 0 12579.6984 0 66 12837.0000 12579.6984 2.00% - 0s 0 0 12580.5010 0 62 12837.0000 12580.5010 2.00% - 0s 0 0 12580.9167 0 61 12837.0000 12580.9167 1.99% - 0s 0 0 12581.0273 0 59 12837.0000 12581.0273 1.99% - 0s 0 0 12581.0283 0 63 12837.0000 12581.0283 1.99% - 0s 0 0 12581.0855 0 64 12837.0000 12581.0855 1.99% - 0s 0 0 12581.1497 0 64 12837.0000 12581.1497 1.99% - 0s 0 0 12581.2124 0 64 12837.0000 12581.2124 1.99% - 0s 0 0 12581.2459 0 68 12837.0000 12581.2459 1.99% - 1s 0 0 12581.5454 0 70 12837.0000 12581.5454 1.99% - 1s 0 0 12581.6772 0 59 12837.0000 12581.6772 1.99% - 1s 0 0 12581.6982 0 68 12837.0000 12581.6982 1.99% - 1s 0 0 12581.7632 0 63 12837.0000 12581.7632 1.99% - 1s 0 0 12581.7879 0 71 12837.0000 12581.7879 1.99% - 1s 0 0 12581.8029 0 72 12837.0000 12581.8029 1.99% - 1s H 0 0 12836.000000 12581.8029 1.98% - 1s 0 0 12581.8684 0 73 12836.0000 12581.8684 1.98% - 1s 0 0 12581.9982 0 63 12836.0000 12581.9982 1.98% - 1s 0 0 12582.0268 0 70 12836.0000 12582.0268 1.98% - 1s 0 0 12582.0480 0 70 12836.0000 12582.0480 1.98% - 1s 0 0 12582.0536 0 70 12836.0000 12582.0536 1.98% - 1s 0 0 12582.0536 0 70 12836.0000 12582.0536 1.98% - 1s 0 2 12582.0716 0 70 12836.0000 12582.0716 1.98% - 2s * 265 85 7 12835.000000 12678.5000 1.22% 7.1 2s * 697 94 9 12834.000000 12741.3333 0.72% 6.5 3s Cutting planes: Gomory: 4 Zero half: 15 Mod-K: 1 Explored 1018 nodes (6758 simplex iterations) in 3.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283400000000e+04, best bound 1.283300000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 565 rows, 1128 columns and 140923 nonzeros Presolve time: 0.08s Presolved: 565 rows, 1128 columns, 140923 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12989.000000 12550.5000 3.38% - 0s 0 0 12568.4500 0 38 12989.0000 12568.4500 3.24% - 0s 0 0 12568.4500 0 40 12989.0000 12568.4500 3.24% - 0s 0 0 12568.4500 0 38 12989.0000 12568.4500 3.24% - 0s H 0 0 12923.000000 12568.4500 2.74% - 0s 0 0 12575.1897 0 42 12923.0000 12575.1897 2.69% - 0s 0 0 12575.9329 0 52 12923.0000 12575.9329 2.69% - 0s 0 0 12576.3252 0 56 12923.0000 12576.3252 2.68% - 0s 0 0 12576.4571 0 61 12923.0000 12576.4571 2.68% - 0s 0 0 12577.0764 0 54 12923.0000 12577.0764 2.68% - 0s 0 0 12577.1460 0 61 12923.0000 12577.1460 2.68% - 0s 0 0 12577.2677 0 63 12923.0000 12577.2677 2.68% - 0s 0 0 12577.5613 0 63 12923.0000 12577.5613 2.67% - 0s 0 0 12578.2144 0 67 12923.0000 12578.2144 2.67% - 0s 0 0 12578.8682 0 60 12923.0000 12578.8682 2.66% - 0s 0 0 12579.2701 0 63 12923.0000 12579.2701 2.66% - 0s 0 0 12579.5492 0 59 12923.0000 12579.5492 2.66% - 0s 0 0 12579.6156 0 61 12923.0000 12579.6156 2.66% - 0s 0 0 12579.7181 0 62 12923.0000 12579.7181 2.66% - 0s 0 0 12579.8117 0 68 12923.0000 12579.8117 2.66% - 1s 0 0 12580.5640 0 54 12923.0000 12580.5640 2.65% - 1s 0 0 12580.6474 0 64 12923.0000 12580.6474 2.65% - 1s 0 0 12580.9534 0 65 12923.0000 12580.9534 2.65% - 1s 0 0 12581.2212 0 65 12923.0000 12581.2212 2.64% - 1s 0 0 12581.4039 0 69 12923.0000 12581.4039 2.64% - 1s 0 0 12581.5361 0 72 12923.0000 12581.5361 2.64% - 1s 0 0 12581.9969 0 63 12923.0000 12581.9969 2.64% - 1s 0 0 12581.9969 0 63 12923.0000 12581.9969 2.64% - 1s H 0 0 12905.000000 12581.9969 2.50% - 1s 0 2 12582.0242 0 63 12905.0000 12582.0242 2.50% - 1s * 51 25 47 12874.000000 12609.5172 2.05% 8.5 2s H 54 24 12863.000000 12622.8442 1.87% 8.4 2s * 202 85 29 12855.000000 12642.2105 1.66% 6.8 2s * 255 89 20 12839.000000 12655.0000 1.43% 6.7 2s * 329 111 7 12837.000000 12685.0000 1.18% 6.6 2s * 347 119 19 12834.000000 12688.5000 1.13% 6.6 2s 1201 59 12779.7500 23 24 12834.0000 12773.0000 0.48% 6.7 5s Cutting planes: Gomory: 2 Zero half: 9 Explored 1322 nodes (9053 simplex iterations) in 5.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283400000000e+04, best bound 1.283400000000e+04, gap 0.0% adding cut for [(33, 36), (4, 40), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 566 rows, 1128 columns and 141094 nonzeros Presolve time: 0.08s Presolved: 566 rows, 1128 columns, 141094 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 13052.000000 12550.5000 3.84% - 0s 0 0 12568.4500 0 38 13052.0000 12568.4500 3.70% - 0s 0 0 12568.4500 0 40 13052.0000 12568.4500 3.70% - 0s 0 0 12568.4500 0 38 13052.0000 12568.4500 3.70% - 0s 0 0 12574.2977 0 42 13052.0000 12574.2977 3.66% - 0s 0 0 12576.5823 0 41 13052.0000 12576.5823 3.64% - 0s 0 0 12578.6630 0 52 13052.0000 12578.6630 3.63% - 0s 0 0 12578.8759 0 55 13052.0000 12578.8759 3.62% - 0s 0 0 12579.4051 0 49 13052.0000 12579.4051 3.62% - 0s 0 0 12579.4954 0 57 13052.0000 12579.4954 3.62% - 0s 0 0 12579.5965 0 61 13052.0000 12579.5965 3.62% - 0s 0 0 12579.9154 0 55 13052.0000 12579.9154 3.62% - 0s 0 0 12579.9745 0 63 13052.0000 12579.9745 3.62% - 0s 0 0 12580.1560 0 59 13052.0000 12580.1560 3.62% - 0s 0 0 12580.2121 0 63 13052.0000 12580.2121 3.61% - 0s 0 0 12580.3720 0 59 13052.0000 12580.3720 3.61% - 1s 0 0 12580.4695 0 63 13052.0000 12580.4695 3.61% - 1s 0 0 12580.6552 0 67 13052.0000 12580.6552 3.61% - 1s 0 0 12581.2248 0 67 13052.0000 12581.2248 3.61% - 1s 0 0 12581.5059 0 64 13052.0000 12581.5059 3.60% - 1s 0 0 12581.6303 0 64 13052.0000 12581.6303 3.60% - 1s 0 0 12581.7140 0 65 13052.0000 12581.7140 3.60% - 1s 0 0 12581.9259 0 69 13052.0000 12581.9259 3.60% - 1s 0 0 12582.0743 0 59 13052.0000 12582.0743 3.60% - 1s 0 0 12582.0856 0 67 13052.0000 12582.0856 3.60% - 1s 0 0 12582.2355 0 56 13052.0000 12582.2355 3.60% - 1s 0 0 12582.2445 0 62 13052.0000 12582.2445 3.60% - 1s 0 0 12582.3475 0 62 13052.0000 12582.3475 3.60% - 1s 0 0 12582.3654 0 66 13052.0000 12582.3654 3.60% - 1s 0 0 12582.3678 0 67 13052.0000 12582.3678 3.60% - 1s 0 0 12582.3678 0 67 13052.0000 12582.3678 3.60% - 2s H 0 0 12845.000000 12582.3678 2.04% - 2s 0 2 12582.4009 0 67 12845.0000 12582.4009 2.04% - 2s * 95 49 35 12843.000000 12613.1244 1.79% 6.3 2s * 119 61 22 12836.000000 12628.5556 1.62% 6.2 2s * 559 181 13 12835.000000 12702.0000 1.04% 5.9 3s 715 224 12714.7500 13 52 12835.0000 12714.7500 0.94% 6.0 5s Cutting planes: Gomory: 3 Zero half: 10 Mod-K: 1 Explored 1509 nodes (9526 simplex iterations) in 5.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283500000000e+04, best bound 1.283500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 567 rows, 1128 columns and 141394 nonzeros Presolve time: 0.08s Presolved: 567 rows, 1128 columns, 141394 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12847.000000 12550.5000 2.31% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 40 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12575.9009 0 52 12847.0000 12575.9009 2.11% - 0s 0 0 12577.8649 0 44 12847.0000 12577.8649 2.09% - 0s 0 0 12578.0193 0 52 12847.0000 12578.0193 2.09% - 0s 0 0 12578.2615 0 56 12847.0000 12578.2615 2.09% - 0s 0 0 12578.6152 0 58 12847.0000 12578.6152 2.09% - 0s 0 0 12578.9659 0 47 12847.0000 12578.9659 2.09% - 0s 0 0 12579.1335 0 58 12847.0000 12579.1335 2.09% - 0s 0 0 12579.1822 0 64 12847.0000 12579.1822 2.08% - 0s 0 0 12579.8327 0 54 12847.0000 12579.8327 2.08% - 0s 0 0 12579.9740 0 61 12847.0000 12579.9740 2.08% - 0s 0 0 12580.5873 0 52 12847.0000 12580.5873 2.07% - 0s 0 0 12580.6432 0 58 12847.0000 12580.6432 2.07% - 0s 0 0 12580.7642 0 65 12847.0000 12580.7642 2.07% - 0s 0 0 12580.9003 0 60 12847.0000 12580.9003 2.07% - 0s 0 0 12581.2591 0 55 12847.0000 12581.2591 2.07% - 0s 0 0 12581.3170 0 58 12847.0000 12581.3170 2.07% - 0s 0 0 12581.3837 0 63 12847.0000 12581.3837 2.07% - 0s 0 0 12581.4169 0 64 12847.0000 12581.4169 2.07% - 0s 0 0 12581.4291 0 69 12847.0000 12581.4291 2.07% - 0s 0 0 12581.7595 0 68 12847.0000 12581.7595 2.06% - 1s 0 0 12581.9867 0 63 12847.0000 12581.9867 2.06% - 1s 0 0 12582.0090 0 70 12847.0000 12582.0090 2.06% - 1s 0 0 12582.5319 0 68 12847.0000 12582.5319 2.06% - 1s 0 0 12582.5830 0 66 12847.0000 12582.5830 2.06% - 1s 0 0 12582.7342 0 67 12847.0000 12582.7342 2.06% - 1s 0 0 12583.0454 0 67 12847.0000 12583.0454 2.05% - 1s 0 0 12583.2132 0 67 12847.0000 12583.2132 2.05% - 1s 0 0 12583.7071 0 69 12847.0000 12583.7071 2.05% - 1s 0 0 12583.8425 0 72 12847.0000 12583.8425 2.05% - 1s 0 0 12584.1187 0 67 12847.0000 12584.1187 2.05% - 1s 0 0 12584.3051 0 71 12847.0000 12584.3051 2.04% - 1s 0 0 12584.3487 0 73 12847.0000 12584.3487 2.04% - 1s 0 0 12584.3801 0 73 12847.0000 12584.3801 2.04% - 1s 0 2 12584.6196 0 73 12847.0000 12584.6196 2.04% - 2s * 38 23 35 12835.000000 12602.2576 1.81% 5.9 2s Cutting planes: Gomory: 4 Zero half: 22 Explored 1078 nodes (6941 simplex iterations) in 3.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283500000000e+04, best bound 1.283400000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 16), (9, 38), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 568 rows, 1128 columns and 141647 nonzeros Presolve time: 0.08s Presolved: 568 rows, 1128 columns, 141647 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12847.000000 12550.5000 2.31% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 40 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12575.9009 0 52 12847.0000 12575.9009 2.11% - 0s 0 0 12577.8649 0 44 12847.0000 12577.8649 2.09% - 0s 0 0 12578.0193 0 52 12847.0000 12578.0193 2.09% - 0s 0 0 12578.2615 0 56 12847.0000 12578.2615 2.09% - 0s 0 0 12578.6152 0 58 12847.0000 12578.6152 2.09% - 0s 0 0 12578.9659 0 47 12847.0000 12578.9659 2.09% - 0s 0 0 12579.1335 0 58 12847.0000 12579.1335 2.09% - 0s 0 0 12579.1822 0 64 12847.0000 12579.1822 2.08% - 0s 0 0 12579.8327 0 54 12847.0000 12579.8327 2.08% - 0s 0 0 12580.1357 0 53 12847.0000 12580.1357 2.08% - 0s 0 0 12580.2331 0 61 12847.0000 12580.2331 2.08% - 0s 0 0 12580.5249 0 50 12847.0000 12580.5249 2.07% - 0s 0 0 12580.6058 0 60 12847.0000 12580.6058 2.07% - 0s 0 0 12580.6687 0 61 12847.0000 12580.6687 2.07% - 0s 0 0 12580.9236 0 59 12847.0000 12580.9236 2.07% - 0s 0 0 12581.0068 0 67 12847.0000 12581.0068 2.07% - 0s 0 0 12581.3489 0 67 12847.0000 12581.3489 2.07% - 0s 0 0 12581.8945 0 55 12847.0000 12581.8945 2.06% - 0s 0 0 12581.9641 0 65 12847.0000 12581.9641 2.06% - 0s 0 0 12582.2313 0 59 12847.0000 12582.2313 2.06% - 0s 0 0 12582.4339 0 64 12847.0000 12582.4339 2.06% - 0s 0 0 12582.5992 0 64 12847.0000 12582.5992 2.06% - 1s 0 0 12582.9222 0 69 12847.0000 12582.9222 2.06% - 1s 0 0 12583.1075 0 65 12847.0000 12583.1075 2.05% - 1s 0 0 12583.1529 0 68 12847.0000 12583.1529 2.05% - 1s 0 0 12584.2141 0 59 12847.0000 12584.2141 2.05% - 1s 0 0 12584.3104 0 68 12847.0000 12584.3104 2.04% - 1s 0 0 12584.4675 0 62 12847.0000 12584.4675 2.04% - 1s 0 0 12585.7027 0 69 12847.0000 12585.7027 2.03% - 1s 0 0 12585.7812 0 71 12847.0000 12585.7812 2.03% - 1s 0 0 12586.1299 0 56 12847.0000 12586.1299 2.03% - 1s 0 0 12586.1342 0 65 12847.0000 12586.1342 2.03% - 1s 0 0 12586.1898 0 68 12847.0000 12586.1898 2.03% - 1s 0 0 12586.1898 0 68 12847.0000 12586.1898 2.03% - 1s 0 2 12586.2858 0 68 12847.0000 12586.2858 2.03% - 1s * 23 16 19 12845.000000 12600.1500 1.91% 8.1 2s * 24 15 19 12835.000000 12600.1500 1.83% 7.8 2s Cutting planes: Gomory: 4 Zero half: 11 Mod-K: 1 Explored 1052 nodes (6437 simplex iterations) in 3.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283500000000e+04, best bound 1.283500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 569 rows, 1128 columns and 141900 nonzeros Presolve time: 0.08s Presolved: 569 rows, 1128 columns, 141900 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12847.000000 12550.5000 2.31% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 40 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12575.9009 0 52 12847.0000 12575.9009 2.11% - 0s 0 0 12577.8649 0 44 12847.0000 12577.8649 2.09% - 0s 0 0 12578.0193 0 52 12847.0000 12578.0193 2.09% - 0s 0 0 12578.2615 0 56 12847.0000 12578.2615 2.09% - 0s 0 0 12578.6152 0 58 12847.0000 12578.6152 2.09% - 0s 0 0 12578.9659 0 47 12847.0000 12578.9659 2.09% - 0s 0 0 12579.1335 0 58 12847.0000 12579.1335 2.09% - 0s 0 0 12579.1822 0 64 12847.0000 12579.1822 2.08% - 0s 0 0 12579.8327 0 54 12847.0000 12579.8327 2.08% - 0s 0 0 12580.1357 0 53 12847.0000 12580.1357 2.08% - 0s 0 0 12580.2331 0 61 12847.0000 12580.2331 2.08% - 0s 0 0 12580.5249 0 50 12847.0000 12580.5249 2.07% - 0s 0 0 12580.6058 0 60 12847.0000 12580.6058 2.07% - 0s 0 0 12580.6687 0 61 12847.0000 12580.6687 2.07% - 0s 0 0 12580.9236 0 59 12847.0000 12580.9236 2.07% - 0s 0 0 12580.9848 0 62 12847.0000 12580.9848 2.07% - 0s 0 0 12580.9943 0 67 12847.0000 12580.9943 2.07% - 0s 0 0 12581.3906 0 59 12847.0000 12581.3906 2.07% - 0s 0 0 12582.4422 0 61 12847.0000 12582.4422 2.06% - 0s 0 0 12582.5227 0 67 12847.0000 12582.5227 2.06% - 1s 0 0 12582.7090 0 69 12847.0000 12582.7090 2.06% - 1s 0 0 12582.9628 0 69 12847.0000 12582.9628 2.06% - 1s 0 0 12582.9716 0 71 12847.0000 12582.9716 2.06% - 1s 0 2 12583.2788 0 71 12847.0000 12583.2788 2.05% - 1s * 115 60 14 12842.000000 12639.0000 1.58% 7.1 1s * 172 73 24 12837.000000 12651.0000 1.45% 6.2 2s H 220 81 12836.000000 12659.8750 1.37% 6.4 2s * 327 100 12 12835.000000 12694.2500 1.10% 6.5 2s Cutting planes: Gomory: 6 Zero half: 13 Mod-K: 1 Explored 865 nodes (5476 simplex iterations) in 2.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283500000000e+04, best bound 1.283500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (13, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 570 rows, 1128 columns and 142200 nonzeros Presolve time: 0.08s Presolved: 570 rows, 1128 columns, 142200 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12847.000000 12550.5000 2.31% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 40 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12575.9009 0 52 12847.0000 12575.9009 2.11% - 0s 0 0 12577.8649 0 44 12847.0000 12577.8649 2.09% - 0s 0 0 12578.0193 0 52 12847.0000 12578.0193 2.09% - 0s 0 0 12578.2615 0 56 12847.0000 12578.2615 2.09% - 0s 0 0 12578.6835 0 58 12847.0000 12578.6835 2.09% - 0s 0 0 12578.9637 0 62 12847.0000 12578.9637 2.09% - 0s 0 0 12579.6835 0 56 12847.0000 12579.6835 2.08% - 0s 0 0 12579.7424 0 64 12847.0000 12579.7424 2.08% - 0s 0 0 12579.9746 0 56 12847.0000 12579.9746 2.08% - 0s 0 0 12580.0444 0 64 12847.0000 12580.0444 2.08% - 0s 0 0 12580.7459 0 57 12847.0000 12580.7459 2.07% - 0s 0 0 12580.8249 0 65 12847.0000 12580.8249 2.07% - 0s 0 0 12581.1887 0 52 12847.0000 12581.1887 2.07% - 0s 0 0 12581.2555 0 58 12847.0000 12581.2555 2.07% - 0s 0 0 12581.2993 0 62 12847.0000 12581.2993 2.07% - 0s 0 0 12581.3924 0 61 12847.0000 12581.3924 2.07% - 0s 0 0 12581.4345 0 62 12847.0000 12581.4345 2.07% - 0s 0 0 12581.6140 0 63 12847.0000 12581.6140 2.07% - 0s 0 0 12581.7195 0 61 12847.0000 12581.7195 2.06% - 0s 0 0 12581.7738 0 66 12847.0000 12581.7738 2.06% - 0s 0 2 12581.7745 0 66 12847.0000 12581.7745 2.06% - 1s H 27 21 12846.000000 12608.3750 1.85% 7.3 1s * 103 47 10 12837.000000 12640.1667 1.53% 5.8 1s * 232 80 21 12836.000000 12676.2167 1.24% 6.3 1s * 258 88 10 12835.000000 12678.0000 1.22% 6.6 2s Cutting planes: Gomory: 3 Zero half: 8 Explored 1018 nodes (5944 simplex iterations) in 2.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283500000000e+04, best bound 1.283500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 571 rows, 1128 columns and 142578 nonzeros Presolve time: 0.08s Presolved: 571 rows, 1128 columns, 142578 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start 0 0 12568.4500 0 38 47372.0000 12568.4500 73.5% - 0s 0 0 12573.0000 0 43 47372.0000 12573.0000 73.5% - 0s 0 0 12578.5776 0 50 47372.0000 12578.5776 73.4% - 0s 0 0 12578.8725 0 58 47372.0000 12578.8725 73.4% - 0s 0 0 12579.2759 0 49 47372.0000 12579.2759 73.4% - 0s 0 0 12579.4556 0 54 47372.0000 12579.4556 73.4% - 0s 0 0 12579.7993 0 54 47372.0000 12579.7993 73.4% - 0s 0 0 12579.9597 0 59 47372.0000 12579.9597 73.4% - 0s 0 0 12580.9560 0 59 47372.0000 12580.9560 73.4% - 0s 0 0 12581.2147 0 61 47372.0000 12581.2147 73.4% - 0s 0 0 12581.5399 0 64 47372.0000 12581.5399 73.4% - 0s 0 0 12582.0311 0 68 47372.0000 12582.0311 73.4% - 0s H 0 0 14055.000000 12582.0311 10.5% - 0s H 0 0 13120.000000 12582.0311 4.10% - 0s H 0 0 12845.000000 12582.0311 2.05% - 0s 0 0 12582.2723 0 61 12845.0000 12582.2723 2.05% - 0s 0 0 12582.2723 0 40 12845.0000 12582.2723 2.05% - 1s 0 0 12582.2723 0 46 12845.0000 12582.2723 2.05% - 1s 0 0 12582.2723 0 55 12845.0000 12582.2723 2.05% - 1s 0 0 12584.0641 0 60 12845.0000 12584.0641 2.03% - 1s 0 0 12584.1834 0 65 12845.0000 12584.1834 2.03% - 1s 0 0 12584.3275 0 66 12845.0000 12584.3275 2.03% - 1s 0 0 12584.5108 0 60 12845.0000 12584.5108 2.03% - 1s 0 0 12584.5575 0 65 12845.0000 12584.5575 2.03% - 1s 0 0 12584.6613 0 64 12845.0000 12584.6613 2.03% - 1s 0 0 12585.2298 0 69 12845.0000 12585.2298 2.02% - 1s 0 0 12585.8108 0 57 12845.0000 12585.8108 2.02% - 1s 0 0 12586.0358 0 66 12845.0000 12586.0358 2.02% - 1s 0 0 12586.5587 0 68 12845.0000 12586.5587 2.01% - 1s 0 0 12586.8029 0 71 12845.0000 12586.8029 2.01% - 1s 0 0 12587.6620 0 66 12845.0000 12587.6620 2.00% - 1s 0 0 12589.0204 0 57 12845.0000 12589.0204 1.99% - 1s 0 0 12589.0992 0 62 12845.0000 12589.0992 1.99% - 1s 0 0 12589.2710 0 67 12845.0000 12589.2710 1.99% - 1s 0 0 12589.3995 0 70 12845.0000 12589.3995 1.99% - 1s 0 0 12592.2406 0 72 12845.0000 12592.2406 1.97% - 1s 0 0 12592.5839 0 78 12845.0000 12592.5839 1.97% - 1s 0 0 12594.0520 0 59 12845.0000 12594.0520 1.95% - 1s 0 0 12594.1468 0 61 12845.0000 12594.1468 1.95% - 1s 0 0 12594.3578 0 63 12845.0000 12594.3578 1.95% - 1s 0 0 12594.4568 0 69 12845.0000 12594.4568 1.95% - 1s 0 2 12594.4867 0 69 12845.0000 12594.4867 1.95% - 2s * 91 43 36 12842.000000 12629.4167 1.66% 5.4 2s * 109 51 15 12840.000000 12632.6000 1.62% 5.3 2s * 110 50 15 12837.000000 12632.6000 1.59% 5.3 2s * 211 77 13 12836.000000 12652.0000 1.43% 5.9 2s * 842 104 13 12835.000000 12749.0000 0.67% 6.2 3s Cutting planes: Gomory: 4 MIR: 1 Zero half: 18 Explored 1072 nodes (6972 simplex iterations) in 3.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283500000000e+04, best bound 1.283500000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 572 rows, 1128 columns and 142854 nonzeros Presolve time: 0.08s Presolved: 572 rows, 1128 columns, 142854 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 128 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12847.000000 12550.5000 2.31% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 40 12847.0000 12568.4500 2.17% - 0s 0 0 12568.4500 0 38 12847.0000 12568.4500 2.17% - 0s 0 0 12575.9009 0 52 12847.0000 12575.9009 2.11% - 0s H 0 0 12846.000000 12575.9009 2.10% - 0s 0 0 12577.8649 0 44 12846.0000 12577.8649 2.09% - 0s 0 0 12578.0193 0 52 12846.0000 12578.0193 2.09% - 0s 0 0 12578.2615 0 56 12846.0000 12578.2615 2.08% - 0s 0 0 12578.6835 0 58 12846.0000 12578.6835 2.08% - 0s 0 0 12578.9637 0 62 12846.0000 12578.9637 2.08% - 0s 0 0 12579.6835 0 56 12846.0000 12579.6835 2.07% - 0s 0 0 12579.7529 0 64 12846.0000 12579.7529 2.07% - 0s 0 0 12579.9352 0 65 12846.0000 12579.9352 2.07% - 0s 0 0 12580.7384 0 47 12846.0000 12580.7384 2.06% - 0s 0 0 12580.7539 0 57 12846.0000 12580.7539 2.06% - 0s 0 0 12582.1609 0 56 12846.0000 12582.1609 2.05% - 0s 0 0 12582.2015 0 55 12846.0000 12582.2015 2.05% - 0s 0 0 12582.2501 0 65 12846.0000 12582.2501 2.05% - 0s 0 0 12582.3991 0 61 12846.0000 12582.3991 2.05% - 0s 0 0 12582.4381 0 65 12846.0000 12582.4381 2.05% - 0s 0 0 12582.9169 0 61 12846.0000 12582.9169 2.05% - 0s 0 0 12583.0740 0 63 12846.0000 12583.0740 2.05% - 0s 0 0 12583.3014 0 71 12846.0000 12583.3014 2.04% - 1s 0 0 12583.5689 0 70 12846.0000 12583.5689 2.04% - 1s 0 0 12583.9391 0 65 12846.0000 12583.9391 2.04% - 1s 0 0 12584.1478 0 65 12846.0000 12584.1478 2.04% - 1s 0 0 12584.4275 0 70 12846.0000 12584.4275 2.04% - 1s 0 0 12585.0193 0 67 12846.0000 12585.0193 2.03% - 1s 0 0 12585.4993 0 70 12846.0000 12585.4993 2.03% - 1s H 0 0 12844.000000 12585.4993 2.01% - 1s 0 2 12585.7225 0 70 12844.0000 12585.7225 2.01% - 1s * 37 26 32 12836.000000 12600.0392 1.84% 8.1 1s * 1162 114 30 12835.000000 12738.0000 0.76% 6.1 4s 1228 112 12763.0000 21 12 12835.0000 12738.0000 0.76% 6.1 5s Cutting planes: Gomory: 4 Zero half: 9 Explored 1670 nodes (10328 simplex iterations) in 5.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283500000000e+04, best bound 1.283400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 573 rows, 1128 columns and 143107 nonzeros Presolve time: 0.08s Presolved: 573 rows, 1128 columns, 143107 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12836.000000 12550.5000 2.22% - 0s 0 0 12568.4500 0 38 12836.0000 12568.4500 2.08% - 0s 0 0 12568.4500 0 40 12836.0000 12568.4500 2.08% - 0s 0 0 12568.4500 0 38 12836.0000 12568.4500 2.08% - 0s 0 0 12574.4848 0 54 12836.0000 12574.4848 2.04% - 0s 0 0 12576.4545 0 52 12836.0000 12576.4545 2.02% - 0s 0 0 12576.5617 0 62 12836.0000 12576.5617 2.02% - 0s 0 0 12577.3711 0 61 12836.0000 12577.3711 2.01% - 0s 0 0 12577.8319 0 61 12836.0000 12577.8319 2.01% - 0s 0 0 12577.9235 0 56 12836.0000 12577.9235 2.01% - 0s 0 0 12577.9886 0 64 12836.0000 12577.9886 2.01% - 0s 0 0 12577.9933 0 65 12836.0000 12577.9933 2.01% - 0s 0 0 12578.2644 0 64 12836.0000 12578.2644 2.01% - 0s 0 0 12578.8137 0 59 12836.0000 12578.8137 2.00% - 0s 0 0 12578.8875 0 64 12836.0000 12578.8875 2.00% - 0s 0 0 12579.0746 0 66 12836.0000 12579.0746 2.00% - 0s 0 0 12579.7445 0 64 12836.0000 12579.7445 2.00% - 0s 0 0 12580.3883 0 65 12836.0000 12580.3883 1.99% - 0s 0 0 12580.7241 0 67 12836.0000 12580.7241 1.99% - 0s 0 0 12581.0227 0 75 12836.0000 12581.0227 1.99% - 0s 0 0 12582.0964 0 68 12836.0000 12582.0964 1.98% - 0s 0 0 12582.4023 0 66 12836.0000 12582.4023 1.98% - 0s 0 0 12582.4025 0 67 12836.0000 12582.4025 1.98% - 0s 0 0 12582.4359 0 70 12836.0000 12582.4359 1.98% - 1s 0 0 12583.8265 0 61 12836.0000 12583.8265 1.96% - 1s 0 0 12584.0343 0 60 12836.0000 12584.0343 1.96% - 1s 0 0 12584.0647 0 68 12836.0000 12584.0647 1.96% - 1s 0 0 12584.3243 0 58 12836.0000 12584.3243 1.96% - 1s 0 0 12584.3481 0 66 12836.0000 12584.3481 1.96% - 1s 0 0 12584.4240 0 56 12836.0000 12584.4240 1.96% - 1s 0 0 12584.4470 0 66 12836.0000 12584.4470 1.96% - 1s 0 0 12584.5364 0 66 12836.0000 12584.5364 1.96% - 1s 0 0 12584.5897 0 74 12836.0000 12584.5897 1.96% - 1s 0 0 12584.6559 0 63 12836.0000 12584.6559 1.96% - 1s 0 0 12584.6938 0 70 12836.0000 12584.6938 1.96% - 1s 0 2 12584.7161 0 70 12836.0000 12584.7161 1.96% - 2s 1062 124 cutoff 16 12836.0000 12726.0000 0.86% 6.2 5s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 1 Explored 1454 nodes (9101 simplex iterations) in 5.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283600000000e+04, best bound 1.283600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 574 rows, 1128 columns and 143407 nonzeros Presolve time: 0.08s Presolved: 574 rows, 1128 columns, 143407 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12848.000000 12550.5000 2.32% - 0s 0 0 12568.4500 0 38 12848.0000 12568.4500 2.18% - 0s 0 0 12568.4500 0 40 12848.0000 12568.4500 2.18% - 0s 0 0 12568.4500 0 38 12848.0000 12568.4500 2.18% - 0s 0 0 12574.4848 0 54 12848.0000 12574.4848 2.13% - 0s 0 0 12576.2119 0 52 12848.0000 12576.2119 2.12% - 0s 0 0 12576.4220 0 60 12848.0000 12576.4220 2.11% - 0s 0 0 12577.1000 0 48 12848.0000 12577.1000 2.11% - 0s 0 0 12577.6602 0 58 12848.0000 12577.6602 2.10% - 0s 0 0 12577.6775 0 62 12848.0000 12577.6775 2.10% - 0s 0 0 12577.8425 0 64 12848.0000 12577.8425 2.10% - 0s 0 0 12578.6205 0 69 12848.0000 12578.6205 2.10% - 0s 0 0 12578.8056 0 60 12848.0000 12578.8056 2.10% - 0s 0 0 12579.1376 0 63 12848.0000 12579.1376 2.09% - 0s 0 0 12579.2153 0 68 12848.0000 12579.2153 2.09% - 0s 0 0 12579.8781 0 53 12848.0000 12579.8781 2.09% - 0s 0 0 12579.9588 0 66 12848.0000 12579.9588 2.09% - 0s 0 0 12580.0753 0 71 12848.0000 12580.0753 2.09% - 0s 0 0 12580.2667 0 64 12848.0000 12580.2667 2.08% - 0s 0 0 12580.4429 0 68 12848.0000 12580.4429 2.08% - 0s H 0 0 12845.000000 12580.4429 2.06% - 1s 0 2 12580.4569 0 68 12845.0000 12580.4569 2.06% - 1s * 66 34 24 12842.000000 12627.0000 1.67% 7.6 1s * 81 43 12 12836.000000 12629.7059 1.61% 7.8 1s Cutting planes: Gomory: 5 Zero half: 17 Explored 877 nodes (5783 simplex iterations) in 2.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283600000000e+04, best bound 1.283600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 575 rows, 1128 columns and 143683 nonzeros Presolve time: 0.08s Presolved: 575 rows, 1128 columns, 143683 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12550.5000 2.88% - 0s 0 0 12568.4500 0 38 12923.0000 12568.4500 2.74% - 0s 0 0 12568.4500 0 40 12923.0000 12568.4500 2.74% - 0s 0 0 12568.4500 0 38 12923.0000 12568.4500 2.74% - 0s 0 0 12576.5854 0 44 12923.0000 12576.5854 2.68% - 0s 0 0 12584.5440 0 47 12923.0000 12584.5440 2.62% - 0s 0 0 12586.3352 0 38 12923.0000 12586.3352 2.61% - 0s 0 0 12591.2648 0 46 12923.0000 12591.2648 2.57% - 0s 0 0 12591.3056 0 42 12923.0000 12591.3056 2.57% - 0s 0 0 12591.6571 0 50 12923.0000 12591.6571 2.56% - 0s 0 0 12591.8442 0 54 12923.0000 12591.8442 2.56% - 0s 0 0 12592.3516 0 44 12923.0000 12592.3516 2.56% - 0s 0 0 12592.4164 0 48 12923.0000 12592.4164 2.56% - 0s H 0 0 12883.000000 12592.4164 2.26% - 1s 0 2 12593.1102 0 48 12883.0000 12593.1102 2.25% - 1s H 87 36 12848.000000 12624.5000 1.74% 4.9 1s * 246 149 24 12837.000000 12636.2000 1.56% 4.4 1s * 424 190 11 12836.000000 12679.6667 1.22% 5.0 2s 1777 195 12784.0000 22 14 12836.0000 12756.0000 0.62% 5.9 5s Cutting planes: Gomory: 3 Zero half: 2 Explored 2177 nodes (12732 simplex iterations) in 5.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283600000000e+04, best bound 1.283600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 576 rows, 1128 columns and 144034 nonzeros Presolve time: 0.08s Presolved: 576 rows, 1128 columns, 144034 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12989.000000 12550.5000 3.38% - 0s 0 0 12568.4500 0 38 12989.0000 12568.4500 3.24% - 0s 0 0 12568.4500 0 40 12989.0000 12568.4500 3.24% - 0s H 0 0 12882.000000 12568.4500 2.43% - 0s 0 0 12568.4500 0 38 12882.0000 12568.4500 2.43% - 0s 0 2 12574.4286 0 38 12882.0000 12574.4286 2.39% - 0s * 53 21 38 12843.000000 12615.1079 1.77% 13.1 2s * 65 27 23 12840.000000 12617.1473 1.74% 13.1 2s * 146 51 29 12837.000000 12634.2205 1.58% 9.5 2s * 326 97 30 12836.000000 12681.0000 1.21% 7.4 2s Cutting planes: Gomory: 10 Zero half: 11 Explored 1044 nodes (6375 simplex iterations) in 3.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283600000000e+04, best bound 1.283600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 577 rows, 1128 columns and 144265 nonzeros Presolve time: 0.08s Presolved: 577 rows, 1128 columns, 144265 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12901.000000 12550.5000 2.72% - 0s 0 0 12568.4500 0 38 12901.0000 12568.4500 2.58% - 0s 0 0 12568.4500 0 40 12901.0000 12568.4500 2.58% - 0s H 0 0 12882.000000 12568.4500 2.43% - 0s 0 0 12568.4500 0 38 12882.0000 12568.4500 2.43% - 0s 0 0 12575.1897 0 42 12882.0000 12575.1897 2.38% - 0s 0 0 12578.2500 0 45 12882.0000 12578.2500 2.36% - 0s 0 0 12580.4648 0 53 12882.0000 12580.4648 2.34% - 0s 0 0 12581.1522 0 60 12882.0000 12581.1522 2.34% - 0s 0 0 12581.2645 0 57 12882.0000 12581.2645 2.33% - 0s 0 0 12581.3160 0 65 12882.0000 12581.3160 2.33% - 0s 0 0 12581.6254 0 64 12882.0000 12581.6254 2.33% - 0s 0 0 12582.0207 0 58 12882.0000 12582.0207 2.33% - 0s 0 0 12582.1385 0 66 12882.0000 12582.1385 2.33% - 0s 0 0 12583.7075 0 63 12882.0000 12583.7075 2.32% - 0s 0 0 12583.9603 0 60 12882.0000 12583.9603 2.31% - 0s 0 0 12584.0278 0 59 12882.0000 12584.0278 2.31% - 0s 0 0 12584.2217 0 60 12882.0000 12584.2217 2.31% - 0s 0 0 12584.4239 0 64 12882.0000 12584.4239 2.31% - 0s 0 0 12584.4264 0 68 12882.0000 12584.4264 2.31% - 0s 0 0 12584.4524 0 69 12882.0000 12584.4524 2.31% - 1s 0 0 12584.5040 0 68 12882.0000 12584.5040 2.31% - 1s 0 0 12584.6418 0 69 12882.0000 12584.6418 2.31% - 1s 0 0 12584.8383 0 65 12882.0000 12584.8383 2.31% - 1s 0 0 12584.9715 0 73 12882.0000 12584.9715 2.31% - 1s 0 0 12586.2164 0 66 12882.0000 12586.2164 2.30% - 1s 0 0 12586.5031 0 72 12882.0000 12586.5031 2.29% - 1s 0 0 12587.0075 0 67 12882.0000 12587.0075 2.29% - 1s 0 0 12587.0900 0 71 12882.0000 12587.0900 2.29% - 1s 0 0 12587.4368 0 75 12882.0000 12587.4368 2.29% - 1s 0 0 12587.9276 0 60 12882.0000 12587.9276 2.28% - 1s 0 0 12588.1726 0 68 12882.0000 12588.1726 2.28% - 1s 0 0 12588.2365 0 65 12882.0000 12588.2365 2.28% - 1s 0 0 12588.3730 0 69 12882.0000 12588.3730 2.28% - 1s 0 0 12588.9375 0 63 12882.0000 12588.9375 2.27% - 1s 0 0 12590.8405 0 67 12882.0000 12590.8405 2.26% - 1s 0 0 12591.1264 0 71 12882.0000 12591.1264 2.26% - 1s 0 0 12591.6936 0 61 12882.0000 12591.6936 2.25% - 1s 0 0 12591.8117 0 66 12882.0000 12591.8117 2.25% - 1s 0 0 12592.0014 0 71 12882.0000 12592.0014 2.25% - 1s 0 0 12592.1622 0 80 12882.0000 12592.1622 2.25% - 1s 0 0 12592.3498 0 70 12882.0000 12592.3498 2.25% - 1s 0 0 12592.3796 0 72 12882.0000 12592.3796 2.25% - 1s 0 0 12592.3859 0 71 12882.0000 12592.3859 2.25% - 1s H 0 0 12845.000000 12592.3859 1.97% - 1s 0 0 12592.8595 0 72 12845.0000 12592.8595 1.96% - 1s 0 0 12593.0580 0 71 12845.0000 12593.0580 1.96% - 1s 0 0 12593.4089 0 74 12845.0000 12593.4089 1.96% - 1s 0 0 12593.8225 0 73 12845.0000 12593.8225 1.96% - 1s 0 0 12594.2919 0 72 12845.0000 12594.2919 1.95% - 1s 0 0 12595.0780 0 77 12845.0000 12595.0780 1.95% - 1s 0 0 12595.3511 0 77 12845.0000 12595.3511 1.94% - 1s 0 0 12595.4486 0 76 12845.0000 12595.4486 1.94% - 2s 0 0 12595.6332 0 80 12845.0000 12595.6332 1.94% - 2s H 0 0 12837.000000 12595.6332 1.88% - 2s 0 2 12595.7248 0 80 12837.0000 12595.7248 1.88% - 2s * 653 163 6 12836.000000 12728.0000 0.84% 6.3 3s Cutting planes: Gomory: 5 Zero half: 23 Explored 1105 nodes (7539 simplex iterations) in 4.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283600000000e+04, best bound 1.283600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46), (40, 46)] Optimize a model with 578 rows, 1128 columns and 144541 nonzeros Presolve time: 0.08s Presolved: 578 rows, 1128 columns, 144541 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start 0 0 12568.4500 0 38 47372.0000 12568.4500 73.5% - 0s 0 0 12574.8868 0 44 47372.0000 12574.8868 73.5% - 0s 0 0 12577.2500 0 43 47372.0000 12577.2500 73.5% - 0s 0 0 12578.9718 0 48 47372.0000 12578.9718 73.4% - 0s 0 0 12580.3662 0 45 47372.0000 12580.3662 73.4% - 0s 0 0 12580.4667 0 57 47372.0000 12580.4667 73.4% - 0s 0 0 12581.0148 0 54 47372.0000 12581.0148 73.4% - 0s 0 0 12581.0815 0 58 47372.0000 12581.0815 73.4% - 0s 0 0 12581.2667 0 55 47372.0000 12581.2667 73.4% - 0s 0 0 12581.2791 0 63 47372.0000 12581.2791 73.4% - 0s 0 0 12581.9740 0 62 47372.0000 12581.9740 73.4% - 0s H 0 0 15495.000000 12581.9740 18.8% - 0s H 0 0 13510.000000 12581.9740 6.87% - 0s H 0 0 12845.000000 12581.9740 2.05% - 0s 0 0 12582.2799 0 66 12845.0000 12582.2799 2.05% - 0s 0 0 12582.2799 0 40 12845.0000 12582.2799 2.05% - 1s 0 0 12582.2799 0 53 12845.0000 12582.2799 2.05% - 1s 0 0 12582.2799 0 64 12845.0000 12582.2799 2.05% - 1s 0 0 12582.6939 0 66 12845.0000 12582.6939 2.04% - 1s 0 0 12583.6686 0 61 12845.0000 12583.6686 2.03% - 1s 0 0 12584.0573 0 57 12845.0000 12584.0573 2.03% - 1s 0 0 12584.3225 0 62 12845.0000 12584.3225 2.03% - 1s 0 0 12584.5980 0 65 12845.0000 12584.5980 2.03% - 1s 0 0 12585.3413 0 64 12845.0000 12585.3413 2.02% - 1s 0 0 12585.8199 0 64 12845.0000 12585.8199 2.02% - 1s 0 0 12585.9266 0 69 12845.0000 12585.9266 2.02% - 1s 0 0 12586.6073 0 64 12845.0000 12586.6073 2.01% - 1s 0 0 12586.6643 0 70 12845.0000 12586.6643 2.01% - 1s 0 0 12586.9670 0 71 12845.0000 12586.9670 2.01% - 1s 0 0 12587.1066 0 73 12845.0000 12587.1066 2.01% - 1s 0 0 12587.9100 0 69 12845.0000 12587.9100 2.00% - 1s 0 0 12588.6024 0 69 12845.0000 12588.6024 2.00% - 1s 0 0 12588.6347 0 71 12845.0000 12588.6347 2.00% - 1s 0 0 12588.8847 0 68 12845.0000 12588.8847 1.99% - 1s 0 0 12588.9593 0 71 12845.0000 12588.9593 1.99% - 1s 0 0 12589.0944 0 76 12845.0000 12589.0944 1.99% - 1s 0 0 12589.1457 0 78 12845.0000 12589.1457 1.99% - 1s 0 0 12589.4294 0 74 12845.0000 12589.4294 1.99% - 1s 0 0 12589.9353 0 74 12845.0000 12589.9353 1.99% - 1s 0 0 12592.2826 0 63 12845.0000 12592.2826 1.97% - 1s 0 0 12593.4477 0 69 12845.0000 12593.4477 1.96% - 1s 0 0 12593.8897 0 68 12845.0000 12593.8897 1.95% - 1s 0 0 12593.9077 0 71 12845.0000 12593.9077 1.95% - 1s 0 0 12594.1295 0 69 12845.0000 12594.1295 1.95% - 1s 0 0 12594.1876 0 71 12845.0000 12594.1876 1.95% - 1s 0 2 12594.2492 0 71 12845.0000 12594.2492 1.95% - 2s * 69 28 28 12842.000000 12628.4250 1.66% 6.4 2s * 95 40 18 12837.000000 12634.6667 1.58% 5.9 2s H 600 105 12836.000000 12730.6667 0.82% 6.6 3s 628 121 12742.5000 26 18 12836.0000 12730.6667 0.82% 7.1 5s Cutting planes: Gomory: 3 MIR: 1 Zero half: 12 Explored 1589 nodes (10893 simplex iterations) in 6.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283600000000e+04, best bound 1.283600000000e+04, gap 0.0% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 579 rows, 1128 columns and 144731 nonzeros Presolve time: 0.08s Presolved: 579 rows, 1128 columns, 144731 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12837.000000 12550.5000 2.23% - 0s 0 0 12568.4500 0 38 12837.0000 12568.4500 2.09% - 0s 0 0 12568.4500 0 40 12837.0000 12568.4500 2.09% - 0s 0 0 12568.4500 0 38 12837.0000 12568.4500 2.09% - 0s 0 0 12574.4848 0 54 12837.0000 12574.4848 2.04% - 0s 0 0 12576.4545 0 52 12837.0000 12576.4545 2.03% - 0s 0 0 12576.5617 0 62 12837.0000 12576.5617 2.03% - 0s 0 0 12577.4283 0 51 12837.0000 12577.4283 2.02% - 0s 0 0 12577.5354 0 59 12837.0000 12577.5354 2.02% - 0s 0 0 12577.7726 0 59 12837.0000 12577.7726 2.02% - 0s 0 0 12578.1614 0 64 12837.0000 12578.1614 2.02% - 0s 0 0 12578.7326 0 57 12837.0000 12578.7326 2.01% - 0s 0 0 12578.8941 0 60 12837.0000 12578.8941 2.01% - 0s 0 0 12579.1253 0 64 12837.0000 12579.1253 2.01% - 0s 0 0 12579.8333 0 37 12837.0000 12579.8333 2.00% - 0s 0 0 12580.5392 0 59 12837.0000 12580.5392 2.00% - 0s 0 0 12580.6415 0 63 12837.0000 12580.6415 2.00% - 0s 0 0 12580.7049 0 63 12837.0000 12580.7049 2.00% - 0s 0 0 12580.7113 0 65 12837.0000 12580.7113 2.00% - 0s 0 0 12581.3413 0 61 12837.0000 12581.3413 1.99% - 0s 0 0 12581.3535 0 61 12837.0000 12581.3535 1.99% - 1s 0 2 12581.4052 0 61 12837.0000 12581.4052 1.99% - 1s * 769 112 11 12836.000000 12759.0000 0.60% 5.5 2s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 1 Explored 974 nodes (5591 simplex iterations) in 2.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283600000000e+04, best bound 1.283600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 580 rows, 1128 columns and 145007 nonzeros Presolve time: 0.08s Presolved: 580 rows, 1128 columns, 145007 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12550.5000 2.58% - 0s 0 0 12568.4500 0 38 12883.0000 12568.4500 2.44% - 0s 0 0 12568.4500 0 40 12883.0000 12568.4500 2.44% - 0s 0 0 12568.4500 0 38 12883.0000 12568.4500 2.44% - 0s 0 0 12573.1212 0 46 12883.0000 12573.1212 2.41% - 0s 0 0 12575.8676 0 51 12883.0000 12575.8676 2.38% - 0s 0 0 12575.9130 0 57 12883.0000 12575.9130 2.38% - 0s 0 0 12576.2981 0 52 12883.0000 12576.2981 2.38% - 0s 0 0 12576.4210 0 60 12883.0000 12576.4210 2.38% - 0s 0 0 12577.3439 0 57 12883.0000 12577.3439 2.37% - 0s 0 0 12577.6887 0 60 12883.0000 12577.6887 2.37% - 0s 0 0 12578.1884 0 64 12883.0000 12578.1884 2.37% - 0s 0 0 12578.6606 0 66 12883.0000 12578.6606 2.36% - 0s 0 0 12579.7207 0 56 12883.0000 12579.7207 2.35% - 0s 0 0 12579.8268 0 60 12883.0000 12579.8268 2.35% - 0s 0 0 12579.9570 0 62 12883.0000 12579.9570 2.35% - 0s 0 0 12580.0168 0 66 12883.0000 12580.0168 2.35% - 0s 0 0 12580.2548 0 56 12883.0000 12580.2548 2.35% - 0s 0 0 12580.2692 0 64 12883.0000 12580.2692 2.35% - 0s 0 0 12580.4311 0 59 12883.0000 12580.4311 2.35% - 1s 0 0 12580.4528 0 62 12883.0000 12580.4528 2.35% - 1s 0 0 12580.5165 0 66 12883.0000 12580.5165 2.35% - 1s 0 0 12580.6623 0 63 12883.0000 12580.6623 2.35% - 1s 0 0 12580.8656 0 74 12883.0000 12580.8656 2.35% - 1s 0 0 12581.5086 0 59 12883.0000 12581.5086 2.34% - 1s H 0 0 12852.000000 12581.5086 2.10% - 1s 0 2 12581.6145 0 59 12852.0000 12581.6145 2.10% - 1s * 42 17 41 12847.000000 12624.5000 1.73% 8.0 1s * 113 59 21 12843.000000 12636.0000 1.61% 5.9 2s * 114 58 19 12842.000000 12636.0000 1.60% 5.9 2s H 156 87 12840.000000 12637.8333 1.57% 5.8 2s * 263 119 10 12839.000000 12654.3333 1.44% 5.8 2s * 392 145 24 12837.000000 12683.3333 1.20% 5.7 2s * 537 145 15 12836.000000 12707.7143 1.00% 5.9 2s Cutting planes: Gomory: 4 Zero half: 11 Explored 925 nodes (5996 simplex iterations) in 3.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283600000000e+04, best bound 1.283600000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 581 rows, 1128 columns and 145283 nonzeros Presolve time: 0.08s Presolved: 581 rows, 1128 columns, 145283 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12848.000000 12550.5000 2.32% - 0s 0 0 12568.4500 0 38 12848.0000 12568.4500 2.18% - 0s 0 0 12568.4500 0 40 12848.0000 12568.4500 2.18% - 0s 0 0 12568.4500 0 38 12848.0000 12568.4500 2.18% - 0s 0 0 12574.4848 0 54 12848.0000 12574.4848 2.13% - 0s 0 0 12576.2119 0 52 12848.0000 12576.2119 2.12% - 0s 0 0 12576.4220 0 60 12848.0000 12576.4220 2.11% - 0s 0 0 12577.1000 0 48 12848.0000 12577.1000 2.11% - 0s 0 0 12577.6602 0 58 12848.0000 12577.6602 2.10% - 0s 0 0 12577.6775 0 62 12848.0000 12577.6775 2.10% - 0s 0 0 12577.8425 0 64 12848.0000 12577.8425 2.10% - 0s 0 0 12578.6205 0 69 12848.0000 12578.6205 2.10% - 0s 0 0 12578.8317 0 60 12848.0000 12578.8317 2.10% - 0s 0 0 12579.1593 0 59 12848.0000 12579.1593 2.09% - 0s 0 0 12579.2378 0 63 12848.0000 12579.2378 2.09% - 0s 0 0 12579.2983 0 66 12848.0000 12579.2983 2.09% - 0s 0 0 12579.3086 0 69 12848.0000 12579.3086 2.09% - 0s 0 0 12579.9041 0 65 12848.0000 12579.9041 2.09% - 0s 0 0 12580.1634 0 64 12848.0000 12580.1634 2.08% - 1s 0 0 12580.2453 0 70 12848.0000 12580.2453 2.08% - 1s 0 0 12580.4192 0 65 12848.0000 12580.4192 2.08% - 1s 0 0 12580.5233 0 65 12848.0000 12580.5233 2.08% - 1s 0 0 12580.6137 0 67 12848.0000 12580.6137 2.08% - 1s H 0 0 12845.000000 12580.6137 2.06% - 1s 0 2 12580.8020 0 67 12845.0000 12580.8020 2.06% - 1s * 119 57 12 12837.000000 12634.8000 1.58% 5.9 2s Cutting planes: Gomory: 3 Zero half: 15 Mod-K: 1 Explored 979 nodes (6090 simplex iterations) in 2.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283700000000e+04, best bound 1.283700000000e+04, gap 0.0% adding cut for [(34, 41), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 582 rows, 1128 columns and 145493 nonzeros Presolve time: 0.08s Presolved: 582 rows, 1128 columns, 145493 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12906.000000 12550.5000 2.75% - 0s 0 0 12568.4500 0 38 12906.0000 12568.4500 2.62% - 0s 0 0 12568.4500 0 40 12906.0000 12568.4500 2.62% - 0s 0 0 12568.4500 0 38 12906.0000 12568.4500 2.62% - 0s 0 0 12573.0000 0 43 12906.0000 12573.0000 2.58% - 0s 0 0 12578.3665 0 50 12906.0000 12578.3665 2.54% - 0s 0 0 12578.6673 0 58 12906.0000 12578.6673 2.54% - 0s 0 0 12579.1379 0 41 12906.0000 12579.1379 2.53% - 0s 0 0 12579.4138 0 49 12906.0000 12579.4138 2.53% - 0s 0 0 12579.6195 0 54 12906.0000 12579.6195 2.53% - 0s 0 0 12579.7191 0 62 12906.0000 12579.7191 2.53% - 0s 0 0 12580.4361 0 54 12906.0000 12580.4361 2.52% - 0s 0 0 12580.6983 0 62 12906.0000 12580.6983 2.52% - 0s 0 0 12582.0969 0 56 12906.0000 12582.0969 2.51% - 0s 0 0 12582.1855 0 64 12906.0000 12582.1855 2.51% - 0s 0 0 12582.3860 0 68 12906.0000 12582.3860 2.51% - 0s 0 0 12582.7809 0 57 12906.0000 12582.7809 2.50% - 0s 0 0 12583.1681 0 66 12906.0000 12583.1681 2.50% - 0s 0 0 12583.4648 0 62 12906.0000 12583.4648 2.50% - 0s 0 0 12583.5884 0 60 12906.0000 12583.5884 2.50% - 1s 0 0 12584.4374 0 71 12906.0000 12584.4374 2.49% - 1s 0 0 12585.0400 0 67 12906.0000 12585.0400 2.49% - 1s 0 0 12585.4503 0 69 12906.0000 12585.4503 2.48% - 1s 0 0 12585.8906 0 71 12906.0000 12585.8906 2.48% - 1s 0 0 12586.4214 0 63 12906.0000 12586.4214 2.48% - 1s 0 0 12587.9255 0 69 12906.0000 12587.9255 2.46% - 1s 0 0 12589.0221 0 63 12906.0000 12589.0221 2.46% - 1s 0 0 12589.0583 0 69 12906.0000 12589.0583 2.46% - 1s 0 0 12589.3860 0 72 12906.0000 12589.3860 2.45% - 1s 0 0 12589.6800 0 72 12906.0000 12589.6800 2.45% - 1s 0 0 12591.5705 0 71 12906.0000 12591.5705 2.44% - 1s 0 0 12592.2769 0 72 12906.0000 12592.2769 2.43% - 1s 0 0 12593.3552 0 77 12906.0000 12593.3552 2.42% - 1s 0 0 12593.4343 0 77 12906.0000 12593.4343 2.42% - 1s H 0 0 12845.000000 12593.4343 1.96% - 1s H 0 0 12843.000000 12593.4343 1.94% - 2s 0 2 12594.2070 0 77 12843.0000 12594.2070 1.94% - 2s * 151 58 10 12841.000000 12658.0000 1.43% 8.0 2s * 210 80 12 12840.000000 12663.0000 1.38% 7.4 2s H 615 130 12837.000000 12725.0000 0.87% 6.3 4s 751 135 12748.4000 21 20 12837.0000 12725.0000 0.87% 7.0 5s Cutting planes: Gomory: 3 Zero half: 11 Explored 1492 nodes (9736 simplex iterations) in 5.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283700000000e+04, best bound 1.283700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 583 rows, 1128 columns and 145746 nonzeros Presolve time: 0.08s Presolved: 583 rows, 1128 columns, 145746 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 13013.000000 12550.5000 3.55% - 0s 0 0 12568.4500 0 38 13013.0000 12568.4500 3.42% - 0s 0 0 12568.4500 0 40 13013.0000 12568.4500 3.42% - 0s 0 0 12568.4500 0 38 13013.0000 12568.4500 3.42% - 0s 0 0 12573.0000 0 43 13013.0000 12573.0000 3.38% - 0s H 0 0 12883.000000 12573.0000 2.41% - 0s 0 0 12578.4037 0 50 12883.0000 12578.4037 2.36% - 0s 0 2 12584.2587 0 50 12883.0000 12584.2587 2.32% - 0s * 38 24 22 12845.000000 12637.0000 1.62% 16.1 2s * 172 69 24 12841.000000 12660.0000 1.41% 8.6 2s * 269 88 20 12840.000000 12672.1667 1.31% 7.9 2s * 411 131 31 12838.000000 12689.0000 1.16% 7.1 2s H 686 162 12837.000000 12715.0000 0.95% 6.7 3s Cutting planes: Gomory: 7 Zero half: 7 Explored 1368 nodes (8778 simplex iterations) in 4.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283700000000e+04, best bound 1.283600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 36), (13, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 584 rows, 1128 columns and 146022 nonzeros Presolve time: 0.08s Presolved: 584 rows, 1128 columns, 146022 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255050e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12550.5000 0 40 47372.0000 12550.5000 73.5% - 0s Another try with MIP start H 0 0 12849.000000 12550.5000 2.32% - 0s 0 0 12568.4500 0 38 12849.0000 12568.4500 2.18% - 0s 0 0 12568.4500 0 40 12849.0000 12568.4500 2.18% - 0s 0 0 12568.4500 0 38 12849.0000 12568.4500 2.18% - 0s 0 0 12574.4848 0 54 12849.0000 12574.4848 2.14% - 0s 0 0 12576.2119 0 52 12849.0000 12576.2119 2.12% - 0s 0 0 12576.4220 0 60 12849.0000 12576.4220 2.12% - 0s 0 0 12577.1000 0 48 12849.0000 12577.1000 2.12% - 0s 0 0 12577.6602 0 58 12849.0000 12577.6602 2.11% - 0s 0 0 12577.6775 0 62 12849.0000 12577.6775 2.11% - 0s 0 0 12577.8425 0 64 12849.0000 12577.8425 2.11% - 0s 0 0 12578.6205 0 69 12849.0000 12578.6205 2.10% - 0s 0 0 12578.8317 0 60 12849.0000 12578.8317 2.10% - 0s 0 0 12579.1958 0 60 12849.0000 12579.1958 2.10% - 0s 0 0 12579.2775 0 65 12849.0000 12579.2775 2.10% - 0s 0 0 12579.3393 0 70 12849.0000 12579.3393 2.10% - 0s 0 0 12579.9293 0 51 12849.0000 12579.9293 2.09% - 0s 0 0 12580.0348 0 59 12849.0000 12580.0348 2.09% - 0s 0 0 12580.3124 0 57 12849.0000 12580.3124 2.09% - 0s 0 0 12580.3405 0 63 12849.0000 12580.3405 2.09% - 0s 0 0 12580.4360 0 59 12849.0000 12580.4360 2.09% - 1s 0 0 12580.4921 0 68 12849.0000 12580.4921 2.09% - 1s 0 0 12580.4921 0 68 12849.0000 12580.4921 2.09% - 1s H 0 0 12838.000000 12580.4921 2.01% - 1s 0 2 12580.5117 0 68 12838.0000 12580.5117 2.01% - 1s * 934 57 15 12837.000000 12778.0000 0.46% 6.2 2s Cutting planes: Gomory: 5 Zero half: 12 Mod-K: 1 Explored 1032 nodes (6630 simplex iterations) in 3.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283700000000e+04, best bound 1.283700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 13), (13, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 585 rows, 1128 columns and 146275 nonzeros Presolve time: 0.08s Presolved: 585 rows, 1128 columns, 146275 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255500e+04, 127 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12555.0000 0 36 47372.0000 12555.0000 73.5% - 0s Another try with MIP start H 0 0 12946.000000 12555.0000 3.02% - 0s 0 0 12565.8514 0 46 12946.0000 12565.8514 2.94% - 0s 0 0 12565.8514 0 36 12946.0000 12565.8514 2.94% - 0s 0 0 12565.8514 0 46 12946.0000 12565.8514 2.94% - 0s 0 0 12588.8298 0 38 12946.0000 12588.8298 2.76% - 0s 0 0 12588.9504 0 46 12946.0000 12588.9504 2.76% - 0s 0 0 12589.1181 0 53 12946.0000 12589.1181 2.76% - 0s 0 0 12589.4292 0 46 12946.0000 12589.4292 2.75% - 0s 0 0 12589.5149 0 51 12946.0000 12589.5149 2.75% - 0s 0 0 12589.6684 0 59 12946.0000 12589.6684 2.75% - 0s 0 0 12590.3485 0 44 12946.0000 12590.3485 2.75% - 0s 0 0 12590.6812 0 56 12946.0000 12590.6812 2.74% - 0s 0 0 12590.7088 0 47 12946.0000 12590.7088 2.74% - 0s 0 0 12590.7101 0 63 12946.0000 12590.7101 2.74% - 0s 0 0 12590.9507 0 56 12946.0000 12590.9507 2.74% - 0s 0 0 12591.0758 0 68 12946.0000 12591.0758 2.74% - 0s 0 0 12591.3967 0 65 12946.0000 12591.3967 2.74% - 1s 0 0 12591.7007 0 66 12946.0000 12591.7007 2.74% - 1s 0 0 12592.1816 0 62 12946.0000 12592.1816 2.73% - 1s 0 0 12592.3049 0 65 12946.0000 12592.3049 2.73% - 1s 0 0 12592.3405 0 72 12946.0000 12592.3405 2.73% - 1s 0 0 12594.3811 0 58 12946.0000 12594.3811 2.72% - 1s 0 0 12595.1233 0 68 12946.0000 12595.1233 2.71% - 1s 0 0 12595.3884 0 68 12946.0000 12595.3884 2.71% - 1s 0 0 12595.9458 0 62 12946.0000 12595.9458 2.70% - 1s 0 0 12596.2086 0 72 12946.0000 12596.2086 2.70% - 1s 0 0 12596.5019 0 66 12946.0000 12596.5019 2.70% - 1s 0 0 12596.5620 0 68 12946.0000 12596.5620 2.70% - 1s 0 0 12596.6579 0 70 12946.0000 12596.6579 2.70% - 1s 0 0 12596.8099 0 70 12946.0000 12596.8099 2.70% - 1s 0 0 12596.8377 0 70 12946.0000 12596.8377 2.70% - 1s 0 0 12597.0720 0 73 12946.0000 12597.0720 2.70% - 1s 0 0 12597.1205 0 78 12946.0000 12597.1205 2.69% - 1s 0 0 12597.7572 0 61 12946.0000 12597.7572 2.69% - 1s H 0 0 12939.000000 12597.7572 2.64% - 2s H 0 0 12881.000000 12597.7572 2.20% - 2s H 0 0 12841.000000 12597.7572 1.89% - 2s 0 2 12597.7722 0 61 12841.0000 12597.7722 1.89% - 2s H 114 57 12840.000000 12647.5000 1.50% 6.7 2s * 491 125 29 12839.000000 12703.6667 1.05% 6.1 3s 612 157 12800.0000 15 51 12839.0000 12716.0000 0.96% 6.0 5s * 1081 151 36 12837.000000 12716.0000 0.94% 6.4 5s Cutting planes: Gomory: 3 Zero half: 7 Explored 1935 nodes (12557 simplex iterations) in 6.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283700000000e+04, best bound 1.283700000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 586 rows, 1128 columns and 146506 nonzeros Presolve time: 0.08s Presolved: 586 rows, 1128 columns, 146506 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255500e+04, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12555.0000 0 36 47372.0000 12555.0000 73.5% - 0s Another try with MIP start H 0 0 12922.000000 12555.0000 2.84% - 0s 0 0 12565.8514 0 46 12922.0000 12565.8514 2.76% - 0s 0 0 12565.8514 0 36 12922.0000 12565.8514 2.76% - 0s 0 0 12565.8514 0 46 12922.0000 12565.8514 2.76% - 0s H 0 0 12883.000000 12565.8514 2.46% - 0s 0 0 12576.1749 0 57 12883.0000 12576.1749 2.38% - 0s 0 0 12586.6885 0 40 12883.0000 12586.6885 2.30% - 0s 0 0 12586.7664 0 48 12883.0000 12586.7664 2.30% - 0s 0 0 12587.0634 0 53 12883.0000 12587.0634 2.30% - 0s 0 0 12587.7356 0 45 12883.0000 12587.7356 2.29% - 0s 0 0 12587.8573 0 53 12883.0000 12587.8573 2.29% - 0s 0 0 12588.0437 0 57 12883.0000 12588.0437 2.29% - 0s 0 0 12588.6118 0 50 12883.0000 12588.6118 2.29% - 0s 0 0 12588.7754 0 58 12883.0000 12588.7754 2.28% - 0s 0 0 12589.0058 0 52 12883.0000 12589.0058 2.28% - 0s 0 0 12590.6490 0 65 12883.0000 12590.6490 2.27% - 0s 0 0 12591.1138 0 63 12883.0000 12591.1138 2.27% - 0s 0 0 12591.2453 0 71 12883.0000 12591.2453 2.26% - 0s 0 0 12591.7143 0 51 12883.0000 12591.7143 2.26% - 1s 0 0 12592.0791 0 62 12883.0000 12592.0791 2.26% - 1s 0 0 12592.7599 0 64 12883.0000 12592.7599 2.25% - 1s 0 0 12592.9325 0 66 12883.0000 12592.9325 2.25% - 1s 0 0 12593.0311 0 66 12883.0000 12593.0311 2.25% - 1s 0 0 12593.2917 0 61 12883.0000 12593.2917 2.25% - 1s 0 0 12593.3491 0 73 12883.0000 12593.3491 2.25% - 1s 0 0 12593.5617 0 63 12883.0000 12593.5617 2.25% - 1s 0 0 12593.6807 0 68 12883.0000 12593.6807 2.25% - 1s 0 0 12593.7502 0 72 12883.0000 12593.7502 2.25% - 1s 0 0 12594.1229 0 68 12883.0000 12594.1229 2.24% - 1s 0 0 12594.5499 0 63 12883.0000 12594.5499 2.24% - 1s 0 0 12594.5815 0 74 12883.0000 12594.5815 2.24% - 1s H 0 0 12875.000000 12594.5815 2.18% - 1s H 0 0 12844.000000 12594.5815 1.94% - 2s 0 2 12594.6768 0 74 12844.0000 12594.6768 1.94% - 2s * 66 44 32 12842.000000 12624.5000 1.69% 6.8 2s * 106 54 16 12841.000000 12645.0000 1.53% 6.5 2s * 363 95 10 12840.000000 12691.3333 1.16% 6.1 2s * 432 95 16 12837.000000 12697.0000 1.09% 6.3 2s Cutting planes: Gomory: 3 Cover: 2 Zero half: 11 Mod-K: 2 Explored 904 nodes (5884 simplex iterations) in 3.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283700000000e+04, best bound 1.283600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 587 rows, 1128 columns and 146806 nonzeros Presolve time: 0.08s Presolved: 587 rows, 1128 columns, 146806 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255500e+04, 126 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12555.0000 0 36 47372.0000 12555.0000 73.5% - 0s Another try with MIP start H 0 0 12901.000000 12555.0000 2.68% - 0s 0 0 12565.8514 0 46 12901.0000 12565.8514 2.60% - 0s 0 0 12565.8514 0 36 12901.0000 12565.8514 2.60% - 0s 0 0 12565.8514 0 46 12901.0000 12565.8514 2.60% - 0s 0 0 12586.1903 0 40 12901.0000 12586.1903 2.44% - 0s 0 0 12586.8879 0 47 12901.0000 12586.8879 2.43% - 0s 0 0 12587.1809 0 48 12901.0000 12587.1809 2.43% - 0s 0 0 12587.2794 0 56 12901.0000 12587.2794 2.43% - 0s 0 0 12587.5313 0 53 12901.0000 12587.5313 2.43% - 0s 0 0 12587.6259 0 61 12901.0000 12587.6259 2.43% - 0s 0 0 12588.2546 0 58 12901.0000 12588.2546 2.42% - 0s 0 0 12588.4010 0 66 12901.0000 12588.4010 2.42% - 0s 0 0 12589.0753 0 48 12901.0000 12589.0753 2.42% - 0s 0 0 12590.4917 0 60 12901.0000 12590.4917 2.41% - 0s 0 0 12590.5899 0 56 12901.0000 12590.5899 2.41% - 0s 0 0 12590.6700 0 64 12901.0000 12590.6700 2.41% - 0s 0 0 12592.2025 0 53 12901.0000 12592.2025 2.39% - 0s 0 0 12592.2336 0 57 12901.0000 12592.2336 2.39% - 0s 0 0 12592.2865 0 53 12901.0000 12592.2865 2.39% - 0s 0 0 12592.3141 0 67 12901.0000 12592.3141 2.39% - 0s 0 0 12592.7796 0 67 12901.0000 12592.7796 2.39% - 1s 0 0 12592.9646 0 64 12901.0000 12592.9646 2.39% - 1s 0 0 12593.1489 0 74 12901.0000 12593.1489 2.39% - 1s 0 0 12593.7000 0 53 12901.0000 12593.7000 2.38% - 1s 0 0 12593.8094 0 58 12901.0000 12593.8094 2.38% - 1s 0 0 12593.8998 0 61 12901.0000 12593.8998 2.38% - 1s H 0 0 12845.000000 12593.8998 1.95% - 1s 0 2 12594.3197 0 61 12845.0000 12594.3197 1.95% - 1s * 32 22 30 12841.000000 12613.6353 1.77% 6.2 1s * 320 110 14 12840.000000 12694.6667 1.13% 6.6 2s * 585 117 23 12839.000000 12729.0000 0.86% 6.2 2s * 687 102 15 12838.000000 12745.7778 0.72% 6.3 2s Cutting planes: Gomory: 4 Zero half: 11 Explored 930 nodes (5997 simplex iterations) in 3.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283800000000e+04, best bound 1.283700000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 588 rows, 1128 columns and 147037 nonzeros Presolve time: 0.08s Presolved: 588 rows, 1128 columns, 147037 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255500e+04, 126 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12555.0000 0 36 47372.0000 12555.0000 73.5% - 0s Another try with MIP start H 0 0 12890.000000 12555.0000 2.60% - 0s 0 0 12565.8514 0 46 12890.0000 12565.8514 2.51% - 0s 0 0 12565.8514 0 36 12890.0000 12565.8514 2.51% - 0s 0 0 12565.8514 0 46 12890.0000 12565.8514 2.51% - 0s 0 0 12588.8298 0 38 12890.0000 12588.8298 2.34% - 0s 0 0 12588.9590 0 46 12890.0000 12588.9590 2.34% - 0s 0 0 12589.3529 0 45 12890.0000 12589.3529 2.33% - 0s 0 0 12589.4776 0 54 12890.0000 12589.4776 2.33% - 0s 0 0 12589.4936 0 53 12890.0000 12589.4936 2.33% - 0s 0 0 12589.7895 0 44 12890.0000 12589.7895 2.33% - 0s 0 0 12589.8991 0 60 12890.0000 12589.8991 2.33% - 0s 0 0 12590.2457 0 53 12890.0000 12590.2457 2.33% - 0s 0 0 12590.3343 0 61 12890.0000 12590.3343 2.32% - 0s 0 0 12590.4929 0 51 12890.0000 12590.4929 2.32% - 0s 0 0 12590.5716 0 62 12890.0000 12590.5716 2.32% - 0s 0 0 12590.8813 0 64 12890.0000 12590.8813 2.32% - 0s 0 0 12591.2597 0 69 12890.0000 12591.2597 2.32% - 0s 0 0 12591.5619 0 64 12890.0000 12591.5619 2.32% - 0s 0 0 12591.7765 0 64 12890.0000 12591.7765 2.31% - 0s 0 0 12592.1871 0 66 12890.0000 12592.1871 2.31% - 0s 0 0 12592.4924 0 73 12890.0000 12592.4924 2.31% - 1s 0 0 12592.9478 0 68 12890.0000 12592.9478 2.30% - 1s 0 0 12595.8317 0 62 12890.0000 12595.8317 2.28% - 1s 0 0 12596.6052 0 70 12890.0000 12596.6052 2.28% - 1s 0 0 12597.2391 0 66 12890.0000 12597.2391 2.27% - 1s 0 0 12597.4256 0 70 12890.0000 12597.4256 2.27% - 1s 0 0 12597.6538 0 70 12890.0000 12597.6538 2.27% - 1s 0 0 12597.9095 0 65 12890.0000 12597.9095 2.27% - 1s 0 0 12597.9404 0 71 12890.0000 12597.9404 2.27% - 1s 0 0 12598.0269 0 73 12890.0000 12598.0269 2.27% - 1s 0 0 12598.5645 0 71 12890.0000 12598.5645 2.26% - 1s 0 0 12599.6769 0 69 12890.0000 12599.6769 2.25% - 1s 0 0 12600.1497 0 67 12890.0000 12600.1497 2.25% - 1s H 0 0 12883.000000 12600.1497 2.20% - 1s H 0 0 12852.000000 12600.1497 1.96% - 2s 0 2 12600.1594 0 67 12852.0000 12600.1594 1.96% - 2s * 80 29 28 12847.000000 12624.5000 1.73% 5.8 2s * 320 117 13 12843.000000 12670.5000 1.34% 6.2 2s * 351 121 15 12840.000000 12677.5000 1.27% 6.1 2s 614 178 12707.3333 16 57 12840.0000 12707.3333 1.03% 6.4 5s * 905 184 23 12838.000000 12707.3333 1.02% 6.7 5s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 1 Explored 1594 nodes (10194 simplex iterations) in 6.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283800000000e+04, best bound 1.283800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 589 rows, 1128 columns and 147290 nonzeros Presolve time: 0.08s Presolved: 589 rows, 1128 columns, 147290 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255500e+04, 126 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12555.0000 0 36 47372.0000 12555.0000 73.5% - 0s Another try with MIP start H 0 0 12927.000000 12555.0000 2.88% - 0s 0 0 12565.8514 0 46 12927.0000 12565.8514 2.79% - 0s 0 0 12565.8514 0 36 12927.0000 12565.8514 2.79% - 0s 0 0 12565.8514 0 46 12927.0000 12565.8514 2.79% - 0s H 0 0 12883.000000 12565.8514 2.46% - 0s 0 0 12573.6860 0 48 12883.0000 12573.6860 2.40% - 0s 0 0 12588.2000 0 37 12883.0000 12588.2000 2.29% - 0s 0 0 12589.8750 0 44 12883.0000 12589.8750 2.28% - 0s 0 0 12589.9219 0 46 12883.0000 12589.9219 2.27% - 0s 0 0 12590.7090 0 57 12883.0000 12590.7090 2.27% - 0s 0 0 12591.2318 0 54 12883.0000 12591.2318 2.26% - 0s 0 0 12591.3373 0 62 12883.0000 12591.3373 2.26% - 0s 0 0 12593.1198 0 52 12883.0000 12593.1198 2.25% - 0s 0 0 12593.1880 0 62 12883.0000 12593.1880 2.25% - 0s 0 0 12593.8713 0 60 12883.0000 12593.8713 2.24% - 0s 0 0 12593.9928 0 65 12883.0000 12593.9928 2.24% - 0s 0 0 12594.1059 0 63 12883.0000 12594.1059 2.24% - 0s 0 0 12594.1810 0 65 12883.0000 12594.1810 2.24% - 0s 0 0 12594.3709 0 69 12883.0000 12594.3709 2.24% - 0s 0 0 12594.9944 0 63 12883.0000 12594.9944 2.24% - 1s 0 0 12595.0509 0 68 12883.0000 12595.0509 2.24% - 1s 0 0 12597.2247 0 65 12883.0000 12597.2247 2.22% - 1s 0 0 12597.6150 0 66 12883.0000 12597.6150 2.22% - 1s 0 0 12597.9244 0 66 12883.0000 12597.9244 2.21% - 1s 0 0 12597.9851 0 68 12883.0000 12597.9851 2.21% - 1s 0 0 12598.3291 0 65 12883.0000 12598.3291 2.21% - 1s 0 0 12598.7337 0 71 12883.0000 12598.7337 2.21% - 1s 0 0 12598.9036 0 67 12883.0000 12598.9036 2.21% - 1s 0 0 12599.4493 0 72 12883.0000 12599.4493 2.20% - 1s 0 0 12599.5771 0 70 12883.0000 12599.5771 2.20% - 1s 0 0 12599.6517 0 73 12883.0000 12599.6517 2.20% - 1s H 0 0 12882.000000 12599.6517 2.19% - 1s 0 2 12599.7964 0 73 12882.0000 12599.7964 2.19% - 2s H 27 19 12859.000000 12612.5000 1.92% 8.9 2s * 96 50 22 12840.000000 12636.0000 1.59% 5.9 2s * 251 96 27 12839.000000 12668.6000 1.33% 5.8 2s 613 171 12709.5000 14 61 12839.0000 12709.5000 1.01% 6.2 5s * 1211 151 23 12838.000000 12723.0000 0.90% 6.5 5s Cutting planes: Gomory: 4 Zero half: 12 Mod-K: 1 Explored 1734 nodes (11368 simplex iterations) in 6.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283800000000e+04, best bound 1.283700000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 590 rows, 1128 columns and 147543 nonzeros Presolve time: 0.08s Presolved: 590 rows, 1128 columns, 147543 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255500e+04, 129 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12555.0000 0 36 47372.0000 12555.0000 73.5% - 0s Another try with MIP start H 0 0 12946.000000 12555.0000 3.02% - 0s 0 0 12565.8514 0 46 12946.0000 12565.8514 2.94% - 0s 0 0 12565.8514 0 36 12946.0000 12565.8514 2.94% - 0s 0 0 12565.8514 0 46 12946.0000 12565.8514 2.94% - 0s 0 0 12588.8298 0 38 12946.0000 12588.8298 2.76% - 0s 0 0 12588.9504 0 46 12946.0000 12588.9504 2.76% - 0s 0 0 12589.1181 0 53 12946.0000 12589.1181 2.76% - 0s 0 0 12589.4292 0 46 12946.0000 12589.4292 2.75% - 0s 0 0 12589.5149 0 51 12946.0000 12589.5149 2.75% - 0s 0 0 12589.6684 0 59 12946.0000 12589.6684 2.75% - 0s 0 0 12590.3485 0 44 12946.0000 12590.3485 2.75% - 0s 0 0 12590.6812 0 56 12946.0000 12590.6812 2.74% - 0s 0 0 12590.7088 0 47 12946.0000 12590.7088 2.74% - 0s 0 0 12590.7101 0 63 12946.0000 12590.7101 2.74% - 0s 0 0 12590.8858 0 67 12946.0000 12590.8858 2.74% - 0s 0 0 12591.1868 0 58 12946.0000 12591.1868 2.74% - 1s 0 0 12591.2951 0 66 12946.0000 12591.2951 2.74% - 1s 0 0 12591.8469 0 54 12946.0000 12591.8469 2.74% - 1s 0 0 12591.9288 0 54 12946.0000 12591.9288 2.73% - 1s 0 0 12592.2654 0 64 12946.0000 12592.2654 2.73% - 1s 0 0 12592.5711 0 66 12946.0000 12592.5711 2.73% - 1s 0 0 12593.1262 0 55 12946.0000 12593.1262 2.73% - 1s 0 0 12593.5107 0 60 12946.0000 12593.5107 2.72% - 1s 0 0 12593.5711 0 68 12946.0000 12593.5711 2.72% - 1s 0 0 12593.9696 0 59 12946.0000 12593.9696 2.72% - 1s 0 0 12594.1916 0 73 12946.0000 12594.1916 2.72% - 1s 0 0 12594.4809 0 62 12946.0000 12594.4809 2.72% - 1s 0 0 12594.6054 0 65 12946.0000 12594.6054 2.71% - 1s 0 0 12594.7520 0 67 12946.0000 12594.7520 2.71% - 1s 0 0 12595.4714 0 70 12946.0000 12595.4714 2.71% - 1s 0 0 12595.8163 0 68 12946.0000 12595.8163 2.70% - 1s 0 0 12596.3464 0 68 12946.0000 12596.3464 2.70% - 1s 0 0 12596.5264 0 69 12946.0000 12596.5264 2.70% - 1s 0 0 12596.9827 0 64 12946.0000 12596.9827 2.70% - 1s 0 0 12597.0379 0 74 12946.0000 12597.0379 2.70% - 1s 0 0 12597.2284 0 67 12946.0000 12597.2284 2.69% - 1s 0 0 12597.3997 0 76 12946.0000 12597.3997 2.69% - 1s 0 0 12597.5307 0 70 12946.0000 12597.5307 2.69% - 1s 0 0 12597.6640 0 73 12946.0000 12597.6640 2.69% - 1s 0 0 12597.9907 0 78 12946.0000 12597.9907 2.69% - 1s 0 0 12598.0147 0 77 12946.0000 12598.0147 2.69% - 1s H 0 0 12845.000000 12598.0147 1.92% - 2s 0 2 12598.1135 0 77 12845.0000 12598.1135 1.92% - 2s * 152 79 27 12842.000000 12635.0000 1.61% 5.6 3s H 232 107 12841.000000 12669.7500 1.33% 5.8 3s * 303 129 30 12839.000000 12676.0000 1.27% 5.8 3s 607 181 12732.5000 15 67 12839.0000 12699.3333 1.09% 6.1 5s Cutting planes: Gomory: 3 Zero half: 13 Explored 1678 nodes (10490 simplex iterations) in 7.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283900000000e+04, best bound 1.283800000000e+04, gap 0.0078% adding cut for [(4, 40), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 591 rows, 1128 columns and 147714 nonzeros Presolve time: 0.08s Presolved: 591 rows, 1128 columns, 147714 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.255500e+04, 129 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12555.0000 0 36 47372.0000 12555.0000 73.5% - 0s Another try with MIP start H 0 0 12946.000000 12555.0000 3.02% - 0s 0 0 12565.8514 0 46 12946.0000 12565.8514 2.94% - 0s 0 0 12565.8514 0 36 12946.0000 12565.8514 2.94% - 0s 0 0 12565.8514 0 46 12946.0000 12565.8514 2.94% - 0s 0 0 12588.8298 0 38 12946.0000 12588.8298 2.76% - 0s 0 0 12588.9504 0 46 12946.0000 12588.9504 2.76% - 0s 0 0 12589.1181 0 53 12946.0000 12589.1181 2.76% - 0s 0 0 12589.4292 0 46 12946.0000 12589.4292 2.75% - 0s 0 0 12589.5149 0 51 12946.0000 12589.5149 2.75% - 0s 0 0 12589.6684 0 59 12946.0000 12589.6684 2.75% - 0s 0 0 12590.1842 0 48 12946.0000 12590.1842 2.75% - 0s 0 0 12590.2517 0 52 12946.0000 12590.2517 2.75% - 0s 0 0 12590.2944 0 55 12946.0000 12590.2944 2.75% - 0s 0 0 12590.3380 0 62 12946.0000 12590.3380 2.75% - 0s 0 0 12590.4409 0 48 12946.0000 12590.4409 2.75% - 0s 0 0 12590.7159 0 56 12946.0000 12590.7159 2.74% - 0s 0 0 12591.0920 0 66 12946.0000 12591.0920 2.74% - 0s 0 0 12591.7645 0 63 12946.0000 12591.7645 2.74% - 1s H 0 0 12859.000000 12591.7645 2.08% - 1s 0 0 12592.0308 0 55 12859.0000 12592.0308 2.08% - 1s 0 2 12598.1006 0 55 12859.0000 12598.1006 2.03% - 1s H 25 16 12852.000000 12603.6744 1.93% 0.0 3s H 25 15 12841.000000 12603.6744 1.85% 0.0 3s * 179 52 27 12840.000000 12640.9375 1.55% 8.8 4s 616 148 cutoff 26 12840.0000 12724.5000 0.90% 7.0 5s * 1094 45 29 12839.000000 12804.5000 0.27% 6.4 5s Cutting planes: Gomory: 6 Cover: 2 Zero half: 5 Mod-K: 6 Explored 1156 nodes (7603 simplex iterations) in 5.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.283900000000e+04, best bound 1.283900000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 592 rows, 1128 columns and 147945 nonzeros Presolve time: 0.08s Presolved: 592 rows, 1128 columns, 147945 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12561.9367 2.49% - 0s 0 0 12575.1563 0 42 12883.0000 12575.1563 2.39% - 0s 0 0 12575.1563 0 48 12883.0000 12575.1563 2.39% - 0s 0 0 12575.1563 0 42 12883.0000 12575.1563 2.39% - 0s 0 0 12579.4874 0 47 12883.0000 12579.4874 2.36% - 0s 0 0 12586.1682 0 50 12883.0000 12586.1682 2.30% - 0s 0 0 12587.9072 0 42 12883.0000 12587.9072 2.29% - 0s 0 0 12588.5565 0 54 12883.0000 12588.5565 2.29% - 0s 0 0 12589.7896 0 62 12883.0000 12589.7896 2.28% - 0s 0 0 12590.8168 0 58 12883.0000 12590.8168 2.27% - 0s 0 0 12591.1135 0 63 12883.0000 12591.1135 2.27% - 0s 0 0 12591.3920 0 58 12883.0000 12591.3920 2.26% - 0s 0 0 12591.4821 0 67 12883.0000 12591.4821 2.26% - 0s 0 0 12591.9498 0 46 12883.0000 12591.9498 2.26% - 0s 0 0 12592.0575 0 68 12883.0000 12592.0575 2.26% - 0s 0 0 12592.2493 0 64 12883.0000 12592.2493 2.26% - 1s 0 0 12592.2624 0 61 12883.0000 12592.2624 2.26% - 1s 0 2 12592.2993 0 61 12883.0000 12592.2993 2.26% - 1s * 49 29 45 12867.000000 12620.9565 1.91% 7.0 1s * 78 42 33 12858.000000 12624.5000 1.82% 5.9 1s H 81 42 12843.000000 12639.0000 1.59% 6.0 2s * 206 110 17 12841.000000 12649.0000 1.50% 5.5 2s * 258 116 12 12840.000000 12654.9280 1.44% 5.6 2s 1256 93 12821.0000 25 18 12840.0000 12761.0000 0.62% 6.3 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1483 nodes (9391 simplex iterations) in 5.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284000000000e+04, best bound 1.283900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 593 rows, 1128 columns and 148221 nonzeros Presolve time: 0.08s Presolved: 593 rows, 1128 columns, 148221 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12843.000000 12561.9367 2.19% - 0s 0 0 12575.1562 0 42 12843.0000 12575.1562 2.09% - 0s 0 0 12575.1562 0 48 12843.0000 12575.1562 2.09% - 0s 0 0 12575.1562 0 42 12843.0000 12575.1562 2.09% - 0s 0 0 12579.4074 0 47 12843.0000 12579.4074 2.05% - 0s 0 0 12585.4009 0 53 12843.0000 12585.4009 2.01% - 0s 0 0 12587.8521 0 57 12843.0000 12587.8521 1.99% - 0s 0 0 12588.6670 0 54 12843.0000 12588.6670 1.98% - 0s 0 0 12588.7867 0 62 12843.0000 12588.7867 1.98% - 0s 0 0 12590.3214 0 52 12843.0000 12590.3214 1.97% - 0s 0 0 12590.3694 0 57 12843.0000 12590.3694 1.97% - 0s 0 0 12590.4393 0 60 12843.0000 12590.4393 1.97% - 0s 0 0 12590.4873 0 65 12843.0000 12590.4873 1.97% - 0s 0 0 12591.0779 0 66 12843.0000 12591.0779 1.96% - 0s 0 0 12592.0000 0 52 12843.0000 12592.0000 1.95% - 0s 0 0 12592.8479 0 61 12843.0000 12592.8479 1.95% - 0s 0 0 12592.9718 0 53 12843.0000 12592.9718 1.95% - 0s 0 0 12593.0810 0 67 12843.0000 12593.0810 1.95% - 1s 0 0 12593.6532 0 71 12843.0000 12593.6532 1.94% - 1s 0 0 12594.0224 0 66 12843.0000 12594.0224 1.94% - 1s 0 0 12594.1822 0 70 12843.0000 12594.1822 1.94% - 1s 0 0 12594.2340 0 67 12843.0000 12594.2340 1.94% - 1s 0 0 12594.3367 0 57 12843.0000 12594.3367 1.94% - 1s 0 0 12594.3367 0 57 12843.0000 12594.3367 1.94% - 1s 0 2 12594.3664 0 57 12843.0000 12594.3664 1.94% - 1s * 131 66 18 12842.000000 12627.0000 1.67% 6.6 2s * 208 90 14 12840.000000 12653.2000 1.45% 6.3 2s 737 154 12723.8333 24 16 12840.0000 12723.8333 0.90% 6.8 5s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 1 Explored 1992 nodes (13384 simplex iterations) in 6.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284000000000e+04, best bound 1.283900000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (12, 13), (13, 16), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 594 rows, 1128 columns and 148474 nonzeros Presolve time: 0.08s Presolved: 594 rows, 1128 columns, 148474 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12561.9367 2.49% - 0s 0 0 12575.1563 0 42 12883.0000 12575.1563 2.39% - 0s 0 0 12575.1563 0 48 12883.0000 12575.1563 2.39% - 0s 0 0 12575.1563 0 42 12883.0000 12575.1563 2.39% - 0s 0 0 12579.4874 0 47 12883.0000 12579.4874 2.36% - 0s 0 0 12586.1682 0 50 12883.0000 12586.1682 2.30% - 0s 0 0 12587.9072 0 42 12883.0000 12587.9072 2.29% - 0s 0 0 12588.5565 0 54 12883.0000 12588.5565 2.29% - 0s 0 0 12589.7896 0 62 12883.0000 12589.7896 2.28% - 0s 0 0 12590.8168 0 58 12883.0000 12590.8168 2.27% - 0s 0 0 12591.1582 0 55 12883.0000 12591.1582 2.27% - 0s 0 0 12591.2169 0 61 12883.0000 12591.2169 2.26% - 0s 0 0 12591.3920 0 67 12883.0000 12591.3920 2.26% - 0s 0 0 12591.9293 0 60 12883.0000 12591.9293 2.26% - 0s 0 0 12592.1651 0 64 12883.0000 12592.1651 2.26% - 0s 0 2 12592.4436 0 64 12883.0000 12592.4436 2.26% - 1s H 27 22 12863.000000 12615.0000 1.93% 8.9 1s * 100 53 27 12858.000000 12624.5000 1.82% 6.2 1s * 189 103 18 12851.000000 12633.5087 1.69% 6.5 2s * 234 113 8 12840.000000 12641.0000 1.55% 6.4 2s 1248 189 cutoff 25 12840.0000 12727.2000 0.88% 6.3 5s Cutting planes: Gomory: 5 Zero half: 7 Explored 1836 nodes (11484 simplex iterations) in 5.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284000000000e+04, best bound 1.283900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 595 rows, 1128 columns and 148727 nonzeros Presolve time: 0.08s Presolved: 595 rows, 1128 columns, 148727 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12880.000000 12561.9367 2.47% - 0s 0 0 12575.1562 0 42 12880.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 48 12880.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 42 12880.0000 12575.1562 2.37% - 0s H 0 0 12864.000000 12575.1562 2.25% - 0s 0 0 12579.5501 0 55 12864.0000 12579.5501 2.21% - 0s 0 0 12586.5980 0 49 12864.0000 12586.5980 2.16% - 0s 0 0 12589.4121 0 61 12864.0000 12589.4121 2.13% - 0s 0 0 12590.1643 0 65 12864.0000 12590.1643 2.13% - 0s 0 0 12591.5302 0 58 12864.0000 12591.5302 2.12% - 0s 0 0 12591.7552 0 53 12864.0000 12591.7552 2.12% - 0s 0 0 12591.8223 0 61 12864.0000 12591.8223 2.12% - 0s 0 0 12591.8588 0 57 12864.0000 12591.8588 2.12% - 0s 0 0 12591.9382 0 64 12864.0000 12591.9382 2.11% - 0s 0 0 12591.9398 0 69 12864.0000 12591.9398 2.11% - 0s 0 2 12592.2957 0 69 12864.0000 12592.2957 2.11% - 1s * 82 32 14 12857.000000 12620.5637 1.84% 6.3 1s * 92 34 10 12845.000000 12624.5000 1.72% 6.5 1s * 127 58 30 12841.000000 12638.9168 1.57% 6.4 1s * 1151 222 36 12840.000000 12717.2500 0.96% 6.1 4s 1299 211 cutoff 30 12840.0000 12718.6667 0.94% 6.1 5s Cutting planes: Gomory: 6 Zero half: 6 Explored 1822 nodes (11261 simplex iterations) in 5.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284000000000e+04, best bound 1.283900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 596 rows, 1128 columns and 149078 nonzeros Presolve time: 0.08s Presolved: 596 rows, 1128 columns, 149078 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12561.9367 2.49% - 0s 0 0 12575.1563 0 42 12883.0000 12575.1563 2.39% - 0s 0 0 12575.1563 0 48 12883.0000 12575.1563 2.39% - 0s 0 0 12575.1563 0 42 12883.0000 12575.1563 2.39% - 0s 0 0 12579.4874 0 47 12883.0000 12579.4874 2.36% - 0s 0 0 12586.1682 0 50 12883.0000 12586.1682 2.30% - 0s 0 0 12587.9072 0 42 12883.0000 12587.9072 2.29% - 0s 0 0 12588.5565 0 54 12883.0000 12588.5565 2.29% - 0s 0 0 12589.7896 0 62 12883.0000 12589.7896 2.28% - 0s 0 0 12590.6272 0 64 12883.0000 12590.6272 2.27% - 0s 0 0 12591.0325 0 65 12883.0000 12591.0325 2.27% - 0s 0 0 12591.5196 0 67 12883.0000 12591.5196 2.26% - 0s 0 0 12591.6579 0 70 12883.0000 12591.6579 2.26% - 0s 0 0 12591.6868 0 67 12883.0000 12591.6868 2.26% - 0s 0 0 12591.9326 0 68 12883.0000 12591.9326 2.26% - 0s 0 0 12591.9621 0 65 12883.0000 12591.9621 2.26% - 1s 0 2 12592.0898 0 65 12883.0000 12592.0898 2.26% - 1s H 27 18 12862.000000 12624.5000 1.85% 9.7 1s * 57 28 54 12851.000000 12624.5000 1.76% 8.5 1s * 59 25 52 12849.000000 12624.5000 1.75% 8.5 1s * 133 60 17 12844.000000 12642.5000 1.57% 6.7 2s * 138 61 21 12841.000000 12642.5000 1.55% 6.6 2s * 457 116 9 12840.000000 12708.4911 1.02% 6.3 2s Cutting planes: Gomory: 7 Zero half: 17 Explored 1009 nodes (6743 simplex iterations) in 3.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284000000000e+04, best bound 1.284000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 597 rows, 1128 columns and 149331 nonzeros Presolve time: 0.08s Presolved: 597 rows, 1128 columns, 149331 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12561.9367 2.49% - 0s 0 0 12575.1563 0 42 12883.0000 12575.1563 2.39% - 0s 0 0 12575.1563 0 48 12883.0000 12575.1563 2.39% - 0s 0 0 12575.1563 0 42 12883.0000 12575.1563 2.39% - 0s 0 0 12579.6262 0 54 12883.0000 12579.6262 2.35% - 0s 0 0 12585.8772 0 45 12883.0000 12585.8772 2.31% - 0s 0 0 12589.3808 0 54 12883.0000 12589.3808 2.28% - 0s 0 0 12589.7976 0 61 12883.0000 12589.7976 2.28% - 0s 0 0 12590.1912 0 66 12883.0000 12590.1912 2.27% - 0s 0 0 12591.6322 0 55 12883.0000 12591.6322 2.26% - 0s 0 0 12591.8338 0 58 12883.0000 12591.8338 2.26% - 0s H 0 0 12841.000000 12591.8338 1.94% - 1s 0 2 12591.9852 0 58 12841.0000 12591.9852 1.94% - 1s * 386 115 12 12840.000000 12693.9000 1.14% 6.0 2s 1421 68 12824.5000 15 22 12840.0000 12783.0000 0.44% 6.4 5s Cutting planes: Gomory: 5 Zero half: 5 Explored 1563 nodes (10133 simplex iterations) in 5.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284000000000e+04, best bound 1.284000000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 598 rows, 1128 columns and 149584 nonzeros Presolve time: 0.08s Presolved: 598 rows, 1128 columns, 149584 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12842.000000 12561.9367 2.18% - 0s 0 0 12575.1562 0 42 12842.0000 12575.1562 2.08% - 0s 0 0 12575.1562 0 48 12842.0000 12575.1562 2.08% - 0s 0 0 12575.1562 0 42 12842.0000 12575.1562 2.08% - 0s 0 0 12579.4151 0 53 12842.0000 12579.4151 2.04% - 0s 0 0 12585.4241 0 45 12842.0000 12585.4241 2.00% - 0s 0 0 12588.1195 0 50 12842.0000 12588.1195 1.98% - 0s 0 0 12589.9133 0 46 12842.0000 12589.9133 1.96% - 0s 0 0 12591.7385 0 41 12842.0000 12591.7385 1.95% - 0s 0 0 12591.9381 0 49 12842.0000 12591.9381 1.95% - 0s 0 0 12592.8867 0 55 12842.0000 12592.8867 1.94% - 0s 0 0 12593.5202 0 63 12842.0000 12593.5202 1.93% - 0s 0 0 12593.6164 0 64 12842.0000 12593.6164 1.93% - 0s 0 0 12593.9854 0 42 12842.0000 12593.9854 1.93% - 0s 0 0 12594.0289 0 59 12842.0000 12594.0289 1.93% - 0s 0 0 12594.1922 0 51 12842.0000 12594.1922 1.93% - 0s 0 0 12594.2240 0 52 12842.0000 12594.2240 1.93% - 0s 0 0 12594.3306 0 51 12842.0000 12594.3306 1.93% - 1s 0 0 12594.4161 0 59 12842.0000 12594.4161 1.93% - 1s 0 0 12594.4407 0 45 12842.0000 12594.4407 1.93% - 1s 0 0 12594.4704 0 50 12842.0000 12594.4704 1.93% - 1s 0 0 12594.4834 0 67 12842.0000 12594.4834 1.93% - 1s 0 0 12594.4961 0 68 12842.0000 12594.4961 1.93% - 1s 0 2 12594.6230 0 68 12842.0000 12594.6230 1.93% - 1s * 156 68 18 12841.000000 12640.0000 1.57% 6.3 2s 921 156 cutoff 23 12841.0000 12721.2500 0.93% 7.0 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 4 Explored 1781 nodes (12048 simplex iterations) in 5.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284100000000e+04, best bound 1.284000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 599 rows, 1128 columns and 149837 nonzeros Presolve time: 0.08s Presolved: 599 rows, 1128 columns, 149837 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12841.000000 12561.9367 2.17% - 0s 0 0 12575.1562 0 42 12841.0000 12575.1562 2.07% - 0s 0 0 12575.1562 0 48 12841.0000 12575.1562 2.07% - 0s 0 0 12575.1563 0 42 12841.0000 12575.1563 2.07% - 0s 0 0 12579.4151 0 53 12841.0000 12579.4151 2.04% - 0s 0 0 12585.4241 0 45 12841.0000 12585.4241 1.99% - 0s 0 0 12587.8055 0 49 12841.0000 12587.8055 1.97% - 0s 0 0 12588.3851 0 64 12841.0000 12588.3851 1.97% - 0s 0 0 12591.5324 0 41 12841.0000 12591.5324 1.94% - 0s 0 0 12591.6155 0 50 12841.0000 12591.6155 1.94% - 0s 0 0 12592.6534 0 45 12841.0000 12592.6534 1.93% - 0s 0 0 12592.7371 0 52 12841.0000 12592.7371 1.93% - 0s 0 0 12593.3829 0 59 12841.0000 12593.3829 1.93% - 0s 0 0 12593.5315 0 66 12841.0000 12593.5315 1.93% - 0s 0 0 12593.7095 0 55 12841.0000 12593.7095 1.93% - 0s 0 0 12593.9910 0 66 12841.0000 12593.9910 1.92% - 0s 0 0 12594.0779 0 65 12841.0000 12594.0779 1.92% - 0s 0 0 12594.5173 0 58 12841.0000 12594.5173 1.92% - 0s 0 0 12594.8379 0 66 12841.0000 12594.8379 1.92% - 0s 0 2 12595.1026 0 66 12841.0000 12595.1026 1.91% - 1s Cutting planes: Gomory: 6 Zero half: 17 Explored 1254 nodes (8509 simplex iterations) in 3.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284100000000e+04, best bound 1.284000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 600 rows, 1128 columns and 150137 nonzeros Presolve time: 0.08s Presolved: 600 rows, 1128 columns, 150137 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12561.9367 2.48% - 0s 0 0 12575.1562 0 42 12881.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 48 12881.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 42 12881.0000 12575.1562 2.37% - 0s 0 0 12579.6262 0 54 12881.0000 12579.6262 2.34% - 0s 0 0 12585.8772 0 45 12881.0000 12585.8772 2.29% - 0s 0 0 12589.3808 0 54 12881.0000 12589.3808 2.26% - 0s 0 0 12589.7976 0 61 12881.0000 12589.7976 2.26% - 0s 0 0 12590.1908 0 66 12881.0000 12590.1908 2.26% - 0s 0 0 12591.6322 0 55 12881.0000 12591.6322 2.25% - 0s 0 0 12591.8338 0 58 12881.0000 12591.8338 2.24% - 0s H 0 0 12841.000000 12591.8338 1.94% - 1s 0 2 12591.9852 0 58 12841.0000 12591.9852 1.94% - 1s Cutting planes: Gomory: 5 Zero half: 9 Explored 1168 nodes (6964 simplex iterations) in 3.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284100000000e+04, best bound 1.284100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 601 rows, 1128 columns and 150390 nonzeros Presolve time: 0.08s Presolved: 601 rows, 1128 columns, 150390 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 135 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12561.9367 2.48% - 0s 0 0 12575.1562 0 42 12881.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 48 12881.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 42 12881.0000 12575.1562 2.37% - 0s 0 0 12580.6500 0 42 12881.0000 12580.6500 2.33% - 0s 0 0 12587.5463 0 44 12881.0000 12587.5463 2.28% - 0s 0 0 12588.1393 0 53 12881.0000 12588.1393 2.27% - 0s 0 0 12590.1754 0 49 12881.0000 12590.1754 2.26% - 0s 0 0 12590.2256 0 56 12881.0000 12590.2256 2.26% - 0s 0 0 12590.6443 0 64 12881.0000 12590.6443 2.25% - 0s 0 0 12591.9171 0 55 12881.0000 12591.9171 2.24% - 0s 0 0 12592.1595 0 64 12881.0000 12592.1595 2.24% - 0s 0 0 12592.5503 0 57 12881.0000 12592.5503 2.24% - 0s 0 0 12592.6614 0 68 12881.0000 12592.6614 2.24% - 0s 0 0 12592.8550 0 64 12881.0000 12592.8550 2.24% - 0s 0 0 12592.9501 0 64 12881.0000 12592.9501 2.24% - 0s 0 0 12593.1541 0 70 12881.0000 12593.1541 2.23% - 1s 0 2 12593.2736 0 70 12881.0000 12593.2736 2.23% - 1s H 57 16 12844.000000 12599.7842 1.90% 4.9 2s H 280 123 12843.000000 12652.0000 1.49% 5.1 2s * 405 175 14 12842.000000 12686.6191 1.21% 5.3 2s * 442 185 18 12841.000000 12696.0000 1.13% 5.3 2s 1166 174 12811.5000 25 18 12841.0000 12724.7500 0.91% 5.8 5s Cutting planes: Gomory: 5 Zero half: 6 Explored 1822 nodes (10452 simplex iterations) in 5.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284100000000e+04, best bound 1.284100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 602 rows, 1128 columns and 150621 nonzeros Presolve time: 0.08s Presolved: 602 rows, 1128 columns, 150621 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 135 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12561.9367 2.48% - 0s 0 0 12575.1562 0 42 12881.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 48 12881.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 42 12881.0000 12575.1562 2.37% - 0s 0 0 12580.6500 0 42 12881.0000 12580.6500 2.33% - 0s 0 0 12587.5463 0 44 12881.0000 12587.5463 2.28% - 0s 0 0 12588.1393 0 53 12881.0000 12588.1393 2.27% - 0s 0 0 12590.1754 0 49 12881.0000 12590.1754 2.26% - 0s 0 0 12590.2256 0 56 12881.0000 12590.2256 2.26% - 0s 0 0 12590.6443 0 64 12881.0000 12590.6443 2.25% - 0s 0 0 12591.9171 0 55 12881.0000 12591.9171 2.24% - 0s 0 0 12592.0993 0 56 12881.0000 12592.0993 2.24% - 0s 0 0 12592.1947 0 64 12881.0000 12592.1947 2.24% - 0s 0 0 12592.5346 0 60 12881.0000 12592.5346 2.24% - 0s 0 0 12592.6836 0 69 12881.0000 12592.6836 2.24% - 0s 0 0 12592.9079 0 66 12881.0000 12592.9079 2.24% - 1s 0 0 12592.9495 0 68 12881.0000 12592.9495 2.24% - 1s 0 2 12593.1788 0 68 12881.0000 12593.1788 2.23% - 1s * 25 21 21 12877.000000 12604.2756 2.12% 9.6 1s * 28 19 23 12862.000000 12604.2756 2.00% 9.1 1s H 54 31 12842.000000 12629.8809 1.65% 8.1 1s H 700 140 12841.000000 12728.3333 0.88% 6.3 3s 990 149 12779.7500 30 41 12841.0000 12728.3333 0.88% 6.4 5s Cutting planes: Gomory: 4 Zero half: 8 Mod-K: 2 Explored 1720 nodes (10983 simplex iterations) in 5.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284100000000e+04, best bound 1.284100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (12, 16), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 603 rows, 1128 columns and 150852 nonzeros Presolve time: 0.08s Presolved: 603 rows, 1128 columns, 150852 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256194e+04, 135 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12561.9367 0 48 47372.0000 12561.9367 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12561.9367 2.48% - 0s 0 0 12575.1562 0 42 12881.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 48 12881.0000 12575.1562 2.37% - 0s 0 0 12575.1562 0 42 12881.0000 12575.1562 2.37% - 0s 0 0 12580.6500 0 42 12881.0000 12580.6500 2.33% - 0s 0 0 12587.5463 0 44 12881.0000 12587.5463 2.28% - 0s 0 0 12588.1393 0 53 12881.0000 12588.1393 2.27% - 0s 0 0 12590.1754 0 49 12881.0000 12590.1754 2.26% - 0s 0 0 12590.2256 0 56 12881.0000 12590.2256 2.26% - 0s 0 0 12590.6443 0 64 12881.0000 12590.6443 2.25% - 0s 0 0 12591.9171 0 55 12881.0000 12591.9171 2.24% - 0s 0 0 12592.0993 0 56 12881.0000 12592.0993 2.24% - 0s 0 0 12592.1947 0 64 12881.0000 12592.1947 2.24% - 0s 0 0 12592.5346 0 60 12881.0000 12592.5346 2.24% - 0s 0 0 12592.6836 0 69 12881.0000 12592.6836 2.24% - 0s 0 0 12592.9079 0 66 12881.0000 12592.9079 2.24% - 1s 0 0 12592.9495 0 68 12881.0000 12592.9495 2.24% - 1s H 0 0 12874.000000 12592.9495 2.18% - 1s H 0 0 12863.000000 12592.9495 2.10% - 1s 0 2 12593.1788 0 68 12863.0000 12593.1788 2.10% - 1s * 28 19 23 12862.000000 12604.2756 2.00% 8.5 1s * 123 56 19 12860.000000 12634.0657 1.76% 5.7 2s * 134 62 12 12844.000000 12635.4203 1.62% 6.4 2s * 293 107 12 12843.000000 12690.7500 1.19% 6.2 2s * 491 138 12 12842.000000 12710.0000 1.03% 6.4 2s 987 152 12723.8000 20 41 12842.0000 12723.0000 0.93% 6.5 5s * 1156 141 30 12841.000000 12723.0000 0.92% 6.3 5s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 2 Explored 1866 nodes (11650 simplex iterations) in 5.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284100000000e+04, best bound 1.284000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 604 rows, 1128 columns and 151177 nonzeros Presolve time: 0.08s Presolved: 604 rows, 1128 columns, 151177 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12589.6030 0 43 12923.0000 12589.6030 2.58% - 0s 0 0 12589.7496 0 51 12923.0000 12589.7496 2.58% - 0s 0 0 12590.4831 0 46 12923.0000 12590.4831 2.57% - 0s 0 0 12590.5480 0 53 12923.0000 12590.5480 2.57% - 0s 0 0 12590.7456 0 56 12923.0000 12590.7456 2.57% - 0s 0 0 12590.7816 0 58 12923.0000 12590.7816 2.57% - 0s 0 0 12591.0736 0 61 12923.0000 12591.0736 2.57% - 0s 0 0 12591.3581 0 65 12923.0000 12591.3581 2.57% - 1s 0 0 12591.3865 0 63 12923.0000 12591.3865 2.57% - 1s 0 0 12591.4834 0 59 12923.0000 12591.4834 2.57% - 1s 0 2 12591.9354 0 59 12923.0000 12591.9354 2.56% - 1s H 27 20 12880.000000 12615.0000 2.06% 9.8 1s * 62 31 14 12861.000000 12620.0944 1.87% 7.9 1s * 63 29 15 12844.000000 12620.0944 1.74% 7.8 1s * 133 61 22 12842.000000 12641.0000 1.57% 7.4 2s 1200 134 12818.6000 26 18 12842.0000 12733.9130 0.84% 6.8 5s * 1718 55 33 12841.000000 12802.8333 0.30% 6.5 5s Cutting planes: Gomory: 3 Zero half: 6 Mod-K: 2 Explored 1793 nodes (11754 simplex iterations) in 5.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284100000000e+04, best bound 1.284100000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 605 rows, 1128 columns and 151367 nonzeros Presolve time: 0.08s Presolved: 605 rows, 1128 columns, 151367 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12843.000000 12562.4118 2.18% - 0s 0 0 12575.7097 0 45 12843.0000 12575.7097 2.08% - 0s 0 0 12575.7097 0 46 12843.0000 12575.7097 2.08% - 0s 0 0 12575.7097 0 45 12843.0000 12575.7097 2.08% - 0s 0 0 12583.7235 0 49 12843.0000 12583.7235 2.02% - 0s 0 0 12585.9597 0 49 12843.0000 12585.9597 2.00% - 0s 0 0 12586.2738 0 55 12843.0000 12586.2738 2.00% - 0s 0 0 12586.3290 0 57 12843.0000 12586.3290 2.00% - 0s 0 0 12586.5800 0 62 12843.0000 12586.5800 2.00% - 0s 0 0 12586.6139 0 63 12843.0000 12586.6139 2.00% - 0s 0 0 12586.8596 0 51 12843.0000 12586.8596 1.99% - 0s 0 0 12587.4861 0 60 12843.0000 12587.4861 1.99% - 0s 0 0 12588.0142 0 55 12843.0000 12588.0142 1.99% - 0s 0 0 12588.0396 0 59 12843.0000 12588.0396 1.99% - 0s 0 0 12588.1198 0 66 12843.0000 12588.1198 1.98% - 0s 0 0 12588.5202 0 63 12843.0000 12588.5202 1.98% - 0s 0 0 12588.8843 0 66 12843.0000 12588.8843 1.98% - 0s 0 0 12589.1508 0 65 12843.0000 12589.1508 1.98% - 0s 0 0 12589.1640 0 65 12843.0000 12589.1640 1.98% - 0s 0 2 12589.3364 0 65 12843.0000 12589.3364 1.98% - 1s * 149 68 15 12842.000000 12633.5578 1.62% 6.4 1s Cutting planes: Gomory: 8 Zero half: 13 Explored 976 nodes (6245 simplex iterations) in 2.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284200000000e+04, best bound 1.284100000000e+04, gap 0.0078% adding cut for [(34, 41), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (17, 41), (17, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 606 rows, 1128 columns and 151577 nonzeros Presolve time: 0.08s Presolved: 606 rows, 1128 columns, 151577 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12906.000000 12562.4118 2.66% - 0s 0 0 12575.7097 0 45 12906.0000 12575.7097 2.56% - 0s 0 0 12575.7097 0 46 12906.0000 12575.7097 2.56% - 0s 0 0 12575.7097 0 45 12906.0000 12575.7097 2.56% - 0s 0 0 12580.6667 0 44 12906.0000 12580.6667 2.52% - 0s 0 0 12586.0336 0 48 12906.0000 12586.0336 2.48% - 0s 0 0 12586.7600 0 47 12906.0000 12586.7600 2.47% - 0s 0 0 12586.8419 0 56 12906.0000 12586.8419 2.47% - 0s 0 0 12587.3464 0 63 12906.0000 12587.3464 2.47% - 0s 0 0 12587.5393 0 58 12906.0000 12587.5393 2.47% - 0s 0 0 12587.6736 0 60 12906.0000 12587.6736 2.47% - 0s 0 0 12587.7029 0 67 12906.0000 12587.7029 2.47% - 0s 0 0 12587.7191 0 66 12906.0000 12587.7191 2.47% - 0s 0 0 12587.9943 0 66 12906.0000 12587.9943 2.46% - 0s 0 0 12588.6115 0 67 12906.0000 12588.6115 2.46% - 1s H 0 0 12877.000000 12588.6115 2.24% - 1s H 0 0 12845.000000 12588.6115 2.00% - 1s 0 2 12589.2156 0 67 12845.0000 12589.2156 1.99% - 1s * 156 76 22 12844.000000 12634.1667 1.63% 6.1 2s * 298 113 12 12843.000000 12679.0000 1.28% 6.4 2s * 480 130 14 12842.000000 12704.2000 1.07% 6.4 2s 1361 147 12837.0000 21 12 12842.0000 12751.1429 0.71% 6.1 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 1 Explored 1792 nodes (10685 simplex iterations) in 5.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284200000000e+04, best bound 1.284100000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 607 rows, 1128 columns and 151830 nonzeros Presolve time: 0.08s Presolved: 607 rows, 1128 columns, 151830 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12589.6030 0 43 12923.0000 12589.6030 2.58% - 0s 0 0 12589.7496 0 51 12923.0000 12589.7496 2.58% - 0s 0 0 12590.4831 0 46 12923.0000 12590.4831 2.57% - 0s 0 0 12590.5480 0 53 12923.0000 12590.5480 2.57% - 0s 0 0 12590.7456 0 56 12923.0000 12590.7456 2.57% - 0s 0 0 12590.7816 0 58 12923.0000 12590.7816 2.57% - 0s 0 0 12591.0736 0 61 12923.0000 12591.0736 2.57% - 0s 0 0 12591.3581 0 65 12923.0000 12591.3581 2.57% - 1s 0 0 12591.3865 0 63 12923.0000 12591.3865 2.57% - 1s 0 0 12591.4675 0 55 12923.0000 12591.4675 2.57% - 1s 0 2 12591.9100 0 55 12923.0000 12591.9100 2.56% - 1s H 27 21 12843.000000 12597.0000 1.92% 5.0 1s * 198 85 22 12842.000000 12659.6000 1.42% 6.6 2s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 2 Explored 1204 nodes (7957 simplex iterations) in 3.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284200000000e+04, best bound 1.284200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46), (40, 46)] Optimize a model with 608 rows, 1128 columns and 152130 nonzeros Presolve time: 0.08s Presolved: 608 rows, 1128 columns, 152130 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12589.6030 0 43 12923.0000 12589.6030 2.58% - 0s 0 0 12589.7496 0 51 12923.0000 12589.7496 2.58% - 0s 0 0 12590.4831 0 46 12923.0000 12590.4831 2.57% - 0s 0 0 12590.5480 0 53 12923.0000 12590.5480 2.57% - 0s 0 0 12590.7456 0 56 12923.0000 12590.7456 2.57% - 0s 0 0 12590.7816 0 58 12923.0000 12590.7816 2.57% - 0s 0 0 12591.0736 0 61 12923.0000 12591.0736 2.57% - 0s 0 0 12591.2843 0 64 12923.0000 12591.2843 2.57% - 1s 0 0 12591.4173 0 60 12923.0000 12591.4173 2.57% - 1s 0 0 12591.4322 0 63 12923.0000 12591.4322 2.57% - 1s 0 0 12591.5386 0 55 12923.0000 12591.5386 2.56% - 1s 0 0 12591.5530 0 60 12923.0000 12591.5530 2.56% - 1s 0 2 12591.5902 0 60 12923.0000 12591.5902 2.56% - 1s * 33 25 30 12859.000000 12615.0000 1.90% 12.1 1s * 58 33 18 12858.000000 12624.5000 1.82% 8.7 2s H 61 33 12852.000000 12626.0000 1.76% 8.8 2s * 110 63 26 12846.000000 12639.0000 1.61% 7.6 2s * 141 74 15 12844.000000 12641.3884 1.58% 7.9 2s * 530 134 11 12842.000000 12725.3333 0.91% 7.3 2s Cutting planes: Gomory: 5 Zero half: 10 Mod-K: 3 Explored 1056 nodes (7415 simplex iterations) in 3.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284200000000e+04, best bound 1.284100000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 40), (38, 40), (7, 37), (7, 28), (12, 13), (13, 33), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 609 rows, 1128 columns and 152320 nonzeros Presolve time: 0.08s Presolved: 609 rows, 1128 columns, 152320 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12854.000000 12562.4118 2.27% - 0s 0 0 12576.7561 0 45 12854.0000 12576.7561 2.16% - 0s 0 0 12576.7561 0 46 12854.0000 12576.7561 2.16% - 0s 0 0 12576.7561 0 45 12854.0000 12576.7561 2.16% - 0s 0 0 12581.5301 0 44 12854.0000 12581.5301 2.12% - 0s 0 0 12586.4875 0 47 12854.0000 12586.4875 2.08% - 0s 0 0 12586.6450 0 55 12854.0000 12586.6450 2.08% - 0s 0 0 12587.3036 0 55 12854.0000 12587.3036 2.07% - 0s 0 0 12587.4095 0 63 12854.0000 12587.4095 2.07% - 0s 0 0 12588.8500 0 52 12854.0000 12588.8500 2.06% - 0s 0 0 12589.1612 0 61 12854.0000 12589.1612 2.06% - 0s 0 0 12589.3365 0 56 12854.0000 12589.3365 2.06% - 0s 0 0 12589.4215 0 64 12854.0000 12589.4215 2.06% - 0s 0 0 12589.5238 0 51 12854.0000 12589.5238 2.06% - 0s 0 0 12589.6692 0 57 12854.0000 12589.6692 2.06% - 0s 0 0 12589.7191 0 62 12854.0000 12589.7191 2.06% - 0s 0 0 12589.7233 0 64 12854.0000 12589.7233 2.06% - 0s 0 0 12589.7841 0 67 12854.0000 12589.7841 2.06% - 1s 0 0 12589.8927 0 54 12854.0000 12589.8927 2.05% - 1s 0 0 12589.9565 0 63 12854.0000 12589.9565 2.05% - 1s 0 0 12590.0091 0 66 12854.0000 12590.0091 2.05% - 1s 0 0 12590.0163 0 59 12854.0000 12590.0163 2.05% - 1s 0 0 12590.0677 0 65 12854.0000 12590.0677 2.05% - 1s 0 0 12590.0972 0 63 12854.0000 12590.0972 2.05% - 1s 0 0 12590.1110 0 66 12854.0000 12590.1110 2.05% - 1s H 0 0 12845.000000 12590.1110 1.98% - 1s 0 2 12590.2049 0 66 12845.0000 12590.2049 1.98% - 1s * 246 87 18 12844.000000 12650.5657 1.51% 6.1 2s * 249 85 17 12843.000000 12650.5657 1.50% 6.1 2s H 370 109 12842.000000 12678.1375 1.28% 6.4 2s 667 187 12729.0000 23 12 12842.0000 12704.0000 1.07% 6.7 5s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 1 Explored 1694 nodes (11305 simplex iterations) in 6.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284200000000e+04, best bound 1.284200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (12, 13), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 610 rows, 1128 columns and 152573 nonzeros Presolve time: 0.09s Presolved: 610 rows, 1128 columns, 152573 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12906.000000 12562.4118 2.66% - 0s 0 0 12575.7097 0 45 12906.0000 12575.7097 2.56% - 0s 0 0 12575.7097 0 46 12906.0000 12575.7097 2.56% - 0s 0 0 12575.7097 0 45 12906.0000 12575.7097 2.56% - 0s 0 0 12580.6667 0 44 12906.0000 12580.6667 2.52% - 0s 0 0 12586.0336 0 48 12906.0000 12586.0336 2.48% - 0s 0 0 12586.7600 0 47 12906.0000 12586.7600 2.47% - 0s 0 0 12586.8419 0 56 12906.0000 12586.8419 2.47% - 0s 0 0 12587.3464 0 63 12906.0000 12587.3464 2.47% - 0s 0 0 12587.5393 0 58 12906.0000 12587.5393 2.47% - 0s 0 0 12587.6736 0 60 12906.0000 12587.6736 2.47% - 0s 0 0 12587.7029 0 67 12906.0000 12587.7029 2.47% - 0s 0 0 12587.7191 0 66 12906.0000 12587.7191 2.47% - 0s 0 0 12587.9943 0 66 12906.0000 12587.9943 2.46% - 0s 0 0 12588.4408 0 68 12906.0000 12588.4408 2.46% - 1s 0 0 12589.0545 0 68 12906.0000 12589.0545 2.46% - 1s 0 0 12589.0545 0 68 12906.0000 12589.0545 2.46% - 1s H 0 0 12881.000000 12589.0545 2.27% - 1s H 0 0 12877.000000 12589.0545 2.24% - 1s 0 2 12589.1636 0 68 12877.0000 12589.1636 2.24% - 1s * 49 26 43 12875.000000 12622.0953 1.96% 7.6 1s * 62 29 16 12846.000000 12624.5000 1.72% 8.2 1s * 364 132 14 12844.000000 12692.7647 1.18% 6.4 2s * 789 142 14 12843.000000 12748.5000 0.74% 6.8 3s Cutting planes: Gomory: 6 Zero half: 9 Mod-K: 2 Explored 1113 nodes (7641 simplex iterations) in 3.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284300000000e+04, best bound 1.284300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 611 rows, 1128 columns and 152873 nonzeros Presolve time: 0.09s Presolved: 611 rows, 1128 columns, 152873 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12852.000000 12562.4118 2.25% - 0s 0 0 12575.7097 0 45 12852.0000 12575.7097 2.15% - 0s 0 0 12575.7097 0 46 12852.0000 12575.7097 2.15% - 0s 0 0 12575.7097 0 45 12852.0000 12575.7097 2.15% - 0s 0 0 12583.7235 0 49 12852.0000 12583.7235 2.09% - 0s 0 0 12585.9597 0 49 12852.0000 12585.9597 2.07% - 0s 0 0 12586.2738 0 55 12852.0000 12586.2738 2.07% - 0s 0 0 12586.3202 0 57 12852.0000 12586.3202 2.07% - 0s 0 0 12586.8583 0 55 12852.0000 12586.8583 2.06% - 0s 0 0 12586.9468 0 63 12852.0000 12586.9468 2.06% - 0s 0 0 12587.4177 0 64 12852.0000 12587.4177 2.06% - 0s 0 0 12587.9782 0 65 12852.0000 12587.9782 2.05% - 0s 0 0 12588.3008 0 67 12852.0000 12588.3008 2.05% - 0s 0 0 12590.5547 0 61 12852.0000 12590.5547 2.03% - 0s 0 0 12591.4896 0 62 12852.0000 12591.4896 2.03% - 0s 0 0 12591.7994 0 63 12852.0000 12591.7994 2.02% - 0s 0 0 12591.9205 0 60 12852.0000 12591.9205 2.02% - 1s 0 0 12591.9428 0 63 12852.0000 12591.9428 2.02% - 1s 0 0 12592.1013 0 63 12852.0000 12592.1013 2.02% - 1s 0 0 12592.1155 0 67 12852.0000 12592.1155 2.02% - 1s 0 0 12592.2133 0 72 12852.0000 12592.2133 2.02% - 1s H 0 0 12844.000000 12592.2133 1.96% - 1s 0 2 12592.2142 0 72 12844.0000 12592.2142 1.96% - 2s * 89 48 25 12843.000000 12626.5000 1.69% 9.6 2s Cutting planes: Gomory: 5 Zero half: 16 Mod-K: 1 Explored 955 nodes (7531 simplex iterations) in 3.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284300000000e+04, best bound 1.284200000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 612 rows, 1128 columns and 153104 nonzeros Presolve time: 0.08s Presolved: 612 rows, 1128 columns, 153104 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12589.6030 0 43 12923.0000 12589.6030 2.58% - 0s 0 0 12589.7496 0 51 12923.0000 12589.7496 2.58% - 0s 0 0 12590.4831 0 46 12923.0000 12590.4831 2.57% - 0s 0 0 12590.5480 0 53 12923.0000 12590.5480 2.57% - 0s 0 0 12590.7456 0 56 12923.0000 12590.7456 2.57% - 0s 0 0 12590.7816 0 58 12923.0000 12590.7816 2.57% - 1s 0 0 12591.0736 0 61 12923.0000 12591.0736 2.57% - 1s 0 0 12591.3581 0 65 12923.0000 12591.3581 2.57% - 1s 0 0 12591.3865 0 63 12923.0000 12591.3865 2.57% - 1s 0 0 12591.4834 0 59 12923.0000 12591.4834 2.57% - 1s 0 2 12591.9354 0 59 12923.0000 12591.9354 2.56% - 1s * 34 23 30 12901.000000 12615.0000 2.22% 10.1 1s * 71 42 28 12858.000000 12620.0944 1.85% 7.1 1s * 123 65 29 12854.000000 12629.0000 1.75% 6.7 2s * 237 110 18 12851.000000 12655.0000 1.53% 6.8 2s * 258 119 14 12847.000000 12662.0500 1.44% 6.8 2s H 274 114 12844.000000 12664.9426 1.39% 6.8 2s * 344 132 14 12843.000000 12673.6667 1.32% 7.0 2s 905 193 12838.9000 21 29 12843.0000 12726.0000 0.91% 7.3 5s Cutting planes: Gomory: 3 Zero half: 6 Mod-K: 2 Explored 1665 nodes (11489 simplex iterations) in 5.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284300000000e+04, best bound 1.284200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 613 rows, 1128 columns and 153335 nonzeros Presolve time: 0.09s Presolved: 613 rows, 1128 columns, 153335 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12562.4118 2.47% - 0s 0 0 12575.7097 0 45 12881.0000 12575.7097 2.37% - 0s 0 0 12575.7097 0 46 12881.0000 12575.7097 2.37% - 0s 0 0 12575.7097 0 45 12881.0000 12575.7097 2.37% - 0s 0 0 12583.6822 0 41 12881.0000 12583.6822 2.31% - 0s 0 0 12585.9487 0 46 12881.0000 12585.9487 2.29% - 0s 0 0 12590.0609 0 35 12881.0000 12590.0609 2.26% - 0s 0 0 12591.7790 0 55 12881.0000 12591.7790 2.25% - 0s 0 0 12594.5110 0 51 12881.0000 12594.5110 2.22% - 0s 0 0 12595.7687 0 60 12881.0000 12595.7687 2.21% - 0s 0 0 12596.2441 0 53 12881.0000 12596.2441 2.21% - 0s 0 0 12596.3799 0 60 12881.0000 12596.3799 2.21% - 0s 0 0 12596.4473 0 63 12881.0000 12596.4473 2.21% - 0s 0 0 12596.9875 0 61 12881.0000 12596.9875 2.20% - 0s 0 0 12596.9992 0 63 12881.0000 12596.9992 2.20% - 0s 0 0 12597.2085 0 49 12881.0000 12597.2085 2.20% - 1s 0 0 12597.2969 0 56 12881.0000 12597.2969 2.20% - 1s 0 0 12597.2974 0 62 12881.0000 12597.2974 2.20% - 1s 0 0 12597.3429 0 68 12881.0000 12597.3429 2.20% - 1s 0 0 12597.3952 0 67 12881.0000 12597.3952 2.20% - 1s H 0 0 12858.000000 12597.3952 2.03% - 1s H 0 0 12844.000000 12597.3952 1.92% - 1s 0 2 12597.4523 0 67 12844.0000 12597.4523 1.92% - 1s * 193 86 11 12843.000000 12649.9833 1.50% 6.9 2s 683 206 12711.5000 26 40 12843.0000 12711.5000 1.02% 7.0 5s Cutting planes: Gomory: 3 Zero half: 11 Explored 1859 nodes (13170 simplex iterations) in 6.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284300000000e+04, best bound 1.284300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (13, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 614 rows, 1128 columns and 153588 nonzeros Presolve time: 0.09s Presolved: 614 rows, 1128 columns, 153588 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12562.4118 2.48% - 0s 0 0 12575.7097 0 45 12882.0000 12575.7097 2.38% - 0s 0 0 12575.7097 0 46 12882.0000 12575.7097 2.38% - 0s 0 0 12575.7097 0 45 12882.0000 12575.7097 2.38% - 0s 0 0 12583.6822 0 41 12882.0000 12583.6822 2.32% - 0s 0 0 12585.9487 0 46 12882.0000 12585.9487 2.30% - 0s 0 0 12589.8897 0 35 12882.0000 12589.8897 2.27% - 0s 0 0 12594.0520 0 55 12882.0000 12594.0520 2.24% - 0s 0 0 12596.4068 0 51 12882.0000 12596.4068 2.22% - 0s 0 0 12596.4919 0 61 12882.0000 12596.4919 2.22% - 0s 0 0 12596.7070 0 52 12882.0000 12596.7070 2.21% - 0s 0 0 12596.7814 0 55 12882.0000 12596.7814 2.21% - 0s 0 0 12597.0385 0 60 12882.0000 12597.0385 2.21% - 0s 0 0 12597.0566 0 63 12882.0000 12597.0566 2.21% - 0s 0 0 12597.0575 0 62 12882.0000 12597.0575 2.21% - 0s 0 0 12597.2449 0 56 12882.0000 12597.2449 2.21% - 1s 0 0 12597.3061 0 63 12882.0000 12597.3061 2.21% - 1s 0 0 12597.3758 0 63 12882.0000 12597.3758 2.21% - 1s 0 0 12597.4246 0 65 12882.0000 12597.4246 2.21% - 1s 0 0 12597.6081 0 57 12882.0000 12597.6081 2.21% - 1s 0 0 12597.7348 0 67 12882.0000 12597.7348 2.21% - 1s 0 0 12597.9599 0 68 12882.0000 12597.9599 2.20% - 1s 0 0 12597.9756 0 69 12882.0000 12597.9756 2.20% - 1s H 0 0 12870.000000 12597.9756 2.11% - 1s H 0 0 12865.000000 12597.9756 2.08% - 1s 0 2 12598.1527 0 69 12865.0000 12598.1527 2.07% - 2s * 68 33 66 12847.000000 12614.5175 1.81% 5.4 2s H 174 102 12846.000000 12639.0000 1.61% 5.8 2s * 228 121 13 12844.000000 12650.0000 1.51% 5.7 2s * 496 207 13 12843.000000 12683.4548 1.24% 5.9 2s 676 254 12697.0000 17 18 12843.0000 12697.0000 1.14% 6.5 5s Cutting planes: Gomory: 4 Zero half: 10 Mod-K: 1 Explored 2026 nodes (13285 simplex iterations) in 6.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284300000000e+04, best bound 1.284300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 24), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 615 rows, 1128 columns and 153864 nonzeros Presolve time: 0.09s Presolved: 615 rows, 1128 columns, 153864 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12591.4211 0 34 12923.0000 12591.4211 2.57% - 0s 0 0 12591.6316 0 42 12923.0000 12591.6316 2.56% - 0s 0 0 12595.4891 0 55 12923.0000 12595.4891 2.53% - 0s 0 0 12597.3675 0 49 12923.0000 12597.3675 2.52% - 0s 0 0 12597.4885 0 54 12923.0000 12597.4885 2.52% - 0s 0 0 12597.4929 0 62 12923.0000 12597.4929 2.52% - 0s 0 0 12597.7460 0 59 12923.0000 12597.7460 2.52% - 1s 0 0 12597.8710 0 61 12923.0000 12597.8710 2.52% - 1s 0 0 12598.2356 0 55 12923.0000 12598.2356 2.51% - 1s 0 0 12598.3106 0 62 12923.0000 12598.3106 2.51% - 1s 0 0 12598.3305 0 66 12923.0000 12598.3305 2.51% - 1s 0 0 12598.6739 0 46 12923.0000 12598.6739 2.51% - 1s 0 0 12598.7605 0 65 12923.0000 12598.7605 2.51% - 1s 0 0 12598.8370 0 52 12923.0000 12598.8370 2.51% - 1s H 0 0 12911.000000 12598.8370 2.42% - 1s 0 2 12599.0910 0 52 12911.0000 12599.0910 2.42% - 1s H 32 22 12893.000000 12620.5000 2.11% 6.7 2s * 93 44 24 12855.000000 12623.3776 1.80% 5.0 2s * 120 48 11 12851.000000 12625.2328 1.76% 5.5 2s * 168 78 21 12846.000000 12634.1000 1.65% 5.7 2s * 191 82 12 12844.000000 12634.2000 1.63% 5.6 2s 699 244 12692.3333 18 15 12844.0000 12692.3333 1.18% 6.5 5s * 1598 234 30 12843.000000 12729.5000 0.88% 6.6 5s Cutting planes: Gomory: 3 Zero half: 7 Explored 2465 nodes (15785 simplex iterations) in 6.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284300000000e+04, best bound 1.284200000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 616 rows, 1128 columns and 154054 nonzeros Presolve time: 0.09s Presolved: 616 rows, 1128 columns, 154054 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12584.1609 0 44 12923.0000 12584.1609 2.62% - 0s 0 0 12586.6482 0 49 12923.0000 12586.6482 2.60% - 0s 0 0 12589.4665 0 52 12923.0000 12589.4665 2.58% - 0s 0 0 12590.0419 0 53 12923.0000 12590.0419 2.58% - 0s 0 0 12590.5382 0 59 12923.0000 12590.5382 2.57% - 0s 0 0 12591.5256 0 56 12923.0000 12591.5256 2.56% - 0s 0 0 12591.6009 0 63 12923.0000 12591.6009 2.56% - 0s 0 0 12592.3449 0 63 12923.0000 12592.3449 2.56% - 0s 0 0 12592.4360 0 54 12923.0000 12592.4360 2.56% - 1s 0 0 12592.5093 0 62 12923.0000 12592.5093 2.56% - 1s 0 0 12592.6848 0 52 12923.0000 12592.6848 2.56% - 1s 0 0 12592.7122 0 55 12923.0000 12592.7122 2.56% - 1s 0 0 12592.7456 0 63 12923.0000 12592.7456 2.56% - 1s H 0 0 12905.000000 12592.7456 2.42% - 1s 0 2 12592.9557 0 63 12905.0000 12592.9557 2.42% - 1s H 27 22 12863.000000 12605.0993 2.00% 9.0 1s * 51 27 46 12850.000000 12605.0993 1.91% 6.8 1s * 62 33 13 12848.000000 12606.1667 1.88% 7.3 1s H 66 30 12845.000000 12626.6667 1.70% 7.3 2s * 164 86 16 12844.000000 12644.0000 1.56% 6.2 2s 999 173 cutoff 34 12844.0000 12718.5714 0.98% 6.4 5s * 1408 108 23 12843.000000 12766.0000 0.60% 6.4 5s Cutting planes: Gomory: 3 Zero half: 5 Explored 1602 nodes (10387 simplex iterations) in 5.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284300000000e+04, best bound 1.284300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 13), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 617 rows, 1128 columns and 154307 nonzeros Presolve time: 0.09s Presolved: 617 rows, 1128 columns, 154307 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12853.000000 12562.4118 2.26% - 0s 0 0 12575.7097 0 45 12853.0000 12575.7097 2.16% - 0s 0 0 12575.7097 0 46 12853.0000 12575.7097 2.16% - 0s 0 0 12575.7097 0 45 12853.0000 12575.7097 2.16% - 0s H 0 0 12845.000000 12575.7097 2.10% - 0s 0 0 12581.3431 0 54 12845.0000 12581.3431 2.05% - 0s 0 0 12583.8018 0 43 12845.0000 12583.8018 2.03% - 0s 0 0 12586.2018 0 48 12845.0000 12586.2018 2.01% - 0s 0 0 12587.5898 0 53 12845.0000 12587.5898 2.00% - 0s 0 0 12588.0671 0 61 12845.0000 12588.0671 2.00% - 0s 0 0 12588.4289 0 55 12845.0000 12588.4289 2.00% - 0s 0 0 12588.5319 0 66 12845.0000 12588.5319 2.00% - 0s 0 0 12588.8733 0 67 12845.0000 12588.8733 1.99% - 0s 0 0 12589.4829 0 68 12845.0000 12589.4829 1.99% - 0s 0 0 12590.0027 0 61 12845.0000 12590.0027 1.99% - 0s 0 0 12590.4952 0 66 12845.0000 12590.4952 1.98% - 0s 0 0 12590.6166 0 66 12845.0000 12590.6166 1.98% - 0s 0 0 12590.6471 0 61 12845.0000 12590.6471 1.98% - 0s 0 0 12590.7533 0 67 12845.0000 12590.7533 1.98% - 0s 0 0 12590.7757 0 71 12845.0000 12590.7757 1.98% - 1s 0 0 12591.0017 0 73 12845.0000 12591.0017 1.98% - 1s 0 0 12591.1912 0 72 12845.0000 12591.1912 1.98% - 1s 0 2 12591.1982 0 72 12845.0000 12591.1982 1.98% - 1s * 195 90 15 12844.000000 12651.5200 1.50% 7.1 2s 675 168 12760.0000 23 10 12844.0000 12715.5500 1.00% 7.5 5s Cutting planes: Gomory: 5 Zero half: 6 Mod-K: 2 Explored 1637 nodes (11474 simplex iterations) in 6.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284400000000e+04, best bound 1.284300000000e+04, gap 0.0078% adding cut for [(4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46), (38, 40)] Optimize a model with 618 rows, 1128 columns and 154538 nonzeros Presolve time: 0.09s Presolved: 618 rows, 1128 columns, 154538 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12854.000000 12562.4118 2.27% - 0s 0 0 12575.7097 0 45 12854.0000 12575.7097 2.17% - 0s 0 0 12575.7097 0 46 12854.0000 12575.7097 2.17% - 0s 0 0 12575.7097 0 45 12854.0000 12575.7097 2.17% - 0s 0 0 12585.2388 0 45 12854.0000 12585.2388 2.09% - 0s 0 0 12594.1517 0 42 12854.0000 12594.1517 2.02% - 0s 0 0 12594.9811 0 50 12854.0000 12594.9811 2.02% - 0s 0 0 12595.8835 0 52 12854.0000 12595.8835 2.01% - 0s 0 0 12596.0239 0 58 12854.0000 12596.0239 2.01% - 0s 0 0 12596.5049 0 54 12854.0000 12596.5049 2.00% - 0s 0 0 12596.5808 0 55 12854.0000 12596.5808 2.00% - 0s 0 0 12596.6165 0 62 12854.0000 12596.6165 2.00% - 0s 0 0 12596.9448 0 62 12854.0000 12596.9448 2.00% - 0s 0 0 12597.1976 0 64 12854.0000 12597.1976 2.00% - 0s 0 0 12597.2446 0 64 12854.0000 12597.2446 2.00% - 0s H 0 0 12845.000000 12597.2446 1.93% - 1s 0 2 12597.3933 0 64 12845.0000 12597.3933 1.93% - 1s * 710 256 30 12844.000000 12703.5000 1.09% 6.7 4s 1095 229 cutoff 24 12844.0000 12708.0000 1.06% 6.8 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 1 Explored 2009 nodes (12821 simplex iterations) in 5.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284400000000e+04, best bound 1.284400000000e+04, gap 0.0% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 36), (20, 37), (20, 27), (21, 47), (21, 30), (22, 47), (30, 43)] Optimize a model with 619 rows, 1128 columns and 154674 nonzeros Presolve time: 0.09s Presolved: 619 rows, 1128 columns, 154674 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12915.000000 12562.4118 2.73% - 0s 0 0 12575.7097 0 45 12915.0000 12575.7097 2.63% - 0s 0 0 12575.7097 0 46 12915.0000 12575.7097 2.63% - 0s 0 0 12575.7097 0 45 12915.0000 12575.7097 2.63% - 0s 0 0 12584.1609 0 44 12915.0000 12584.1609 2.56% - 0s 0 0 12586.6482 0 49 12915.0000 12586.6482 2.54% - 0s 0 0 12588.1860 0 54 12915.0000 12588.1860 2.53% - 0s 0 0 12588.8961 0 57 12915.0000 12588.8961 2.53% - 0s 0 0 12590.3067 0 59 12915.0000 12590.3067 2.51% - 0s 0 0 12590.5144 0 56 12915.0000 12590.5144 2.51% - 0s 0 0 12590.8041 0 53 12915.0000 12590.8041 2.51% - 0s 0 0 12590.8520 0 61 12915.0000 12590.8520 2.51% - 0s 0 0 12591.8328 0 60 12915.0000 12591.8328 2.50% - 0s 0 0 12591.9602 0 63 12915.0000 12591.9602 2.50% - 0s 0 0 12592.2449 0 66 12915.0000 12592.2449 2.50% - 1s 0 0 12592.5484 0 60 12915.0000 12592.5484 2.50% - 1s 0 0 12592.6885 0 66 12915.0000 12592.6885 2.50% - 1s H 0 0 12904.000000 12592.6885 2.41% - 1s 0 2 12592.7366 0 66 12904.0000 12592.7366 2.41% - 1s * 58 26 57 12872.000000 12612.5093 2.02% 6.1 2s * 69 26 10 12857.000000 12615.0000 1.88% 6.6 2s * 127 49 31 12854.000000 12627.1429 1.76% 5.8 2s * 197 86 20 12852.000000 12641.0000 1.64% 6.1 2s * 259 101 14 12851.000000 12664.1667 1.45% 6.1 2s * 260 98 12 12847.000000 12664.1667 1.42% 6.1 2s * 307 108 10 12846.000000 12683.5455 1.26% 6.2 2s * 404 118 8 12845.000000 12709.2996 1.06% 6.2 2s * 642 134 8 12844.000000 12734.4000 0.85% 6.6 3s Cutting planes: Gomory: 10 Zero half: 14 Explored 1125 nodes (7491 simplex iterations) in 3.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284400000000e+04, best bound 1.284400000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 21), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 620 rows, 1128 columns and 154974 nonzeros Presolve time: 0.09s Presolved: 620 rows, 1128 columns, 154974 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12852.000000 12562.4118 2.25% - 0s 0 0 12575.7097 0 45 12852.0000 12575.7097 2.15% - 0s 0 0 12575.7097 0 46 12852.0000 12575.7097 2.15% - 0s 0 0 12575.7097 0 45 12852.0000 12575.7097 2.15% - 0s 0 0 12583.6822 0 41 12852.0000 12583.6822 2.09% - 0s 0 0 12585.9487 0 46 12852.0000 12585.9487 2.07% - 0s 0 0 12591.4211 0 34 12852.0000 12591.4211 2.03% - 0s 0 0 12591.6279 0 41 12852.0000 12591.6279 2.03% - 0s 0 0 12595.1990 0 53 12852.0000 12595.1990 2.00% - 0s 0 0 12596.9821 0 44 12852.0000 12596.9821 1.98% - 0s 0 0 12597.3315 0 50 12852.0000 12597.3315 1.98% - 0s 0 0 12597.3721 0 56 12852.0000 12597.3721 1.98% - 0s 0 0 12597.4525 0 55 12852.0000 12597.4525 1.98% - 0s 0 0 12597.5608 0 55 12852.0000 12597.5608 1.98% - 0s 0 0 12597.8248 0 62 12852.0000 12597.8248 1.98% - 0s 0 0 12597.9609 0 62 12852.0000 12597.9609 1.98% - 0s 0 0 12598.1855 0 58 12852.0000 12598.1855 1.97% - 0s 0 0 12598.7460 0 53 12852.0000 12598.7460 1.97% - 1s 0 0 12598.8303 0 61 12852.0000 12598.8303 1.97% - 1s H 0 0 12844.000000 12598.8303 1.91% - 1s 0 2 12598.8762 0 61 12844.0000 12598.8762 1.91% - 1s 1421 217 cutoff 33 12844.0000 12730.0000 0.89% 5.9 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1949 nodes (11732 simplex iterations) in 5.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284400000000e+04, best bound 1.284300000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 621 rows, 1128 columns and 155184 nonzeros Presolve time: 0.09s Presolved: 621 rows, 1128 columns, 155184 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12846.000000 12562.4118 2.21% - 0s 0 0 12575.7097 0 45 12846.0000 12575.7097 2.10% - 0s 0 0 12575.7097 0 46 12846.0000 12575.7097 2.10% - 0s 0 0 12575.7097 0 45 12846.0000 12575.7097 2.10% - 0s 0 0 12583.6822 0 41 12846.0000 12583.6822 2.04% - 0s 0 0 12585.9487 0 46 12846.0000 12585.9487 2.02% - 0s 0 0 12590.0609 0 35 12846.0000 12590.0609 1.99% - 0s 0 0 12591.7790 0 55 12846.0000 12591.7790 1.98% - 0s 0 0 12594.5110 0 51 12846.0000 12594.5110 1.96% - 0s 0 0 12594.6902 0 51 12846.0000 12594.6902 1.96% - 0s 0 0 12594.7829 0 59 12846.0000 12594.7829 1.96% - 0s 0 0 12595.2024 0 58 12846.0000 12595.2024 1.95% - 0s 0 0 12595.2038 0 62 12846.0000 12595.2038 1.95% - 0s 0 0 12595.2160 0 63 12846.0000 12595.2160 1.95% - 0s 0 0 12595.3384 0 64 12846.0000 12595.3384 1.95% - 1s 0 2 12595.5450 0 64 12846.0000 12595.5450 1.95% - 1s 768 247 12821.7692 24 32 12846.0000 12714.6071 1.02% 7.8 5s * 1088 216 32 12844.000000 12714.6071 1.01% 7.2 5s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 1 Explored 2080 nodes (14310 simplex iterations) in 6.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284400000000e+04, best bound 1.284400000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 622 rows, 1128 columns and 155415 nonzeros Presolve time: 0.09s Presolved: 622 rows, 1128 columns, 155415 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12853.000000 12562.4118 2.26% - 0s 0 0 12575.7097 0 45 12853.0000 12575.7097 2.16% - 0s 0 0 12575.7097 0 46 12853.0000 12575.7097 2.16% - 0s 0 0 12575.7097 0 45 12853.0000 12575.7097 2.16% - 0s 0 0 12581.3431 0 54 12853.0000 12581.3431 2.11% - 0s 0 0 12583.8018 0 43 12853.0000 12583.8018 2.09% - 0s 0 0 12586.2018 0 48 12853.0000 12586.2018 2.08% - 0s 0 0 12587.5898 0 53 12853.0000 12587.5898 2.06% - 0s 0 0 12588.0671 0 61 12853.0000 12588.0671 2.06% - 0s 0 0 12588.4849 0 55 12853.0000 12588.4849 2.06% - 0s 0 0 12588.6180 0 66 12853.0000 12588.6180 2.06% - 0s 0 0 12589.0066 0 67 12853.0000 12589.0066 2.05% - 0s 0 0 12589.1692 0 67 12853.0000 12589.1692 2.05% - 0s 0 0 12589.6293 0 69 12853.0000 12589.6293 2.05% - 0s 0 0 12590.1785 0 60 12853.0000 12590.1785 2.04% - 0s 0 0 12590.7492 0 62 12853.0000 12590.7492 2.04% - 0s 0 0 12591.0440 0 66 12853.0000 12591.0440 2.04% - 0s 0 0 12591.0440 0 66 12853.0000 12591.0440 2.04% - 1s 0 2 12591.1430 0 66 12853.0000 12591.1430 2.04% - 1s * 60 26 15 12847.000000 12618.4537 1.78% 7.8 1s * 264 100 18 12846.000000 12670.0000 1.37% 6.9 2s * 276 104 14 12845.000000 12672.4033 1.34% 6.8 2s 1001 150 12788.0000 19 25 12845.0000 12717.4643 0.99% 7.0 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 1613 nodes (10807 simplex iterations) in 5.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284500000000e+04, best bound 1.284500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 623 rows, 1128 columns and 155691 nonzeros Presolve time: 0.09s Presolved: 623 rows, 1128 columns, 155691 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12853.000000 12562.4118 2.26% - 0s 0 0 12575.7097 0 45 12853.0000 12575.7097 2.16% - 0s 0 0 12575.7097 0 46 12853.0000 12575.7097 2.16% - 0s 0 0 12575.7097 0 45 12853.0000 12575.7097 2.16% - 0s 0 0 12581.3431 0 54 12853.0000 12581.3431 2.11% - 0s 0 0 12583.8018 0 43 12853.0000 12583.8018 2.09% - 0s 0 0 12586.2018 0 48 12853.0000 12586.2018 2.08% - 0s 0 0 12587.5898 0 53 12853.0000 12587.5898 2.06% - 0s 0 0 12588.0671 0 61 12853.0000 12588.0671 2.06% - 0s 0 0 12588.4849 0 55 12853.0000 12588.4849 2.06% - 0s 0 0 12588.6180 0 66 12853.0000 12588.6180 2.06% - 0s 0 0 12589.0066 0 67 12853.0000 12589.0066 2.05% - 0s 0 0 12589.4131 0 57 12853.0000 12589.4131 2.05% - 0s 0 0 12589.4857 0 65 12853.0000 12589.4857 2.05% - 0s 0 0 12589.6766 0 66 12853.0000 12589.6766 2.05% - 0s 0 0 12590.1908 0 68 12853.0000 12590.1908 2.04% - 0s 0 0 12594.5217 0 56 12853.0000 12594.5217 2.01% - 0s 0 0 12595.1468 0 57 12853.0000 12595.1468 2.01% - 0s 0 2 12595.4298 0 57 12853.0000 12595.4298 2.00% - 1s * 123 67 17 12845.000000 12628.2294 1.69% 7.0 1s 1380 186 cutoff 34 12845.0000 12735.0000 0.86% 6.3 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 1994 nodes (12591 simplex iterations) in 5.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284500000000e+04, best bound 1.284500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 624 rows, 1128 columns and 155922 nonzeros Presolve time: 0.09s Presolved: 624 rows, 1128 columns, 155922 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12847.000000 12562.4118 2.22% - 0s 0 0 12575.7097 0 45 12847.0000 12575.7097 2.11% - 0s 0 0 12575.7097 0 46 12847.0000 12575.7097 2.11% - 0s 0 0 12575.7097 0 45 12847.0000 12575.7097 2.11% - 0s 0 0 12583.6822 0 41 12847.0000 12583.6822 2.05% - 0s 0 0 12585.9487 0 46 12847.0000 12585.9487 2.03% - 0s 0 0 12589.8897 0 35 12847.0000 12589.8897 2.00% - 0s 0 0 12594.0520 0 55 12847.0000 12594.0520 1.97% - 0s 0 0 12596.4186 0 48 12847.0000 12596.4186 1.95% - 0s 0 0 12596.5539 0 56 12847.0000 12596.5539 1.95% - 0s 0 0 12596.6666 0 49 12847.0000 12596.6666 1.95% - 0s 0 0 12596.8341 0 58 12847.0000 12596.8341 1.95% - 0s 0 0 12597.2779 0 55 12847.0000 12597.2779 1.94% - 0s 0 0 12597.4387 0 63 12847.0000 12597.4387 1.94% - 0s 0 0 12598.0378 0 53 12847.0000 12598.0378 1.94% - 0s 0 0 12598.1306 0 62 12847.0000 12598.1306 1.94% - 0s 0 0 12598.2248 0 53 12847.0000 12598.2248 1.94% - 1s 0 2 12598.2440 0 53 12847.0000 12598.2440 1.94% - 1s * 510 186 21 12846.000000 12705.4112 1.09% 6.3 2s 1156 207 12747.5000 15 20 12846.0000 12716.0000 1.01% 6.4 5s * 1303 181 33 12845.000000 12734.6250 0.86% 6.3 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1889 nodes (11737 simplex iterations) in 5.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284500000000e+04, best bound 1.284400000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 625 rows, 1128 columns and 156153 nonzeros Presolve time: 0.09s Presolved: 625 rows, 1128 columns, 156153 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12853.000000 12562.4118 2.26% - 0s 0 0 12575.7097 0 45 12853.0000 12575.7097 2.16% - 0s 0 0 12575.7097 0 46 12853.0000 12575.7097 2.16% - 0s 0 0 12575.7097 0 45 12853.0000 12575.7097 2.16% - 0s 0 0 12581.3431 0 54 12853.0000 12581.3431 2.11% - 0s 0 0 12583.8018 0 43 12853.0000 12583.8018 2.09% - 0s 0 0 12586.2018 0 48 12853.0000 12586.2018 2.08% - 0s 0 0 12587.5898 0 53 12853.0000 12587.5898 2.06% - 0s 0 0 12588.0671 0 61 12853.0000 12588.0671 2.06% - 0s 0 0 12588.4849 0 55 12853.0000 12588.4849 2.06% - 0s 0 0 12588.6180 0 66 12853.0000 12588.6180 2.06% - 0s 0 0 12589.0066 0 67 12853.0000 12589.0066 2.05% - 0s 0 0 12589.2184 0 59 12853.0000 12589.2184 2.05% - 0s 0 0 12589.2789 0 67 12853.0000 12589.2789 2.05% - 0s 0 0 12589.6378 0 61 12853.0000 12589.6378 2.05% - 0s 0 0 12589.7146 0 69 12853.0000 12589.7146 2.05% - 0s 0 0 12590.2194 0 67 12853.0000 12590.2194 2.04% - 0s 0 0 12591.2921 0 63 12853.0000 12591.2921 2.04% - 0s 0 0 12591.3472 0 60 12853.0000 12591.3472 2.04% - 1s 0 0 12593.1201 0 65 12853.0000 12593.1201 2.02% - 1s 0 0 12594.7223 0 70 12853.0000 12594.7223 2.01% - 1s 0 0 12595.5353 0 71 12853.0000 12595.5353 2.00% - 1s 0 0 12596.0780 0 71 12853.0000 12596.0780 2.00% - 1s 0 0 12596.1654 0 75 12853.0000 12596.1654 2.00% - 1s 0 0 12596.2500 0 72 12853.0000 12596.2500 2.00% - 1s 0 0 12596.3475 0 73 12853.0000 12596.3475 2.00% - 1s 0 0 12596.7106 0 75 12853.0000 12596.7106 1.99% - 1s 0 0 12596.9209 0 73 12853.0000 12596.9209 1.99% - 1s 0 2 12596.9873 0 73 12853.0000 12596.9873 1.99% - 2s * 197 70 26 12847.000000 12657.0000 1.48% 6.5 2s * 373 122 11 12846.000000 12696.7500 1.16% 6.6 2s 713 185 12747.5000 25 73 12846.0000 12731.5000 0.89% 6.1 5s * 1335 212 25 12845.000000 12731.5000 0.88% 6.8 6s Cutting planes: Gomory: 4 Zero half: 8 Mod-K: 2 Explored 2122 nodes (14500 simplex iterations) in 7.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284500000000e+04, best bound 1.284400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 626 rows, 1128 columns and 156406 nonzeros Presolve time: 0.09s Presolved: 626 rows, 1128 columns, 156406 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12905.000000 12562.4118 2.65% - 0s 0 0 12575.7097 0 45 12905.0000 12575.7097 2.55% - 0s 0 0 12575.7097 0 46 12905.0000 12575.7097 2.55% - 0s 0 0 12575.7097 0 45 12905.0000 12575.7097 2.55% - 0s 0 0 12580.6667 0 44 12905.0000 12580.6667 2.51% - 0s 0 0 12586.7500 0 46 12905.0000 12586.7500 2.47% - 0s 0 0 12590.4129 0 44 12905.0000 12590.4129 2.44% - 0s 0 0 12590.4768 0 50 12905.0000 12590.4768 2.44% - 0s 0 0 12590.5845 0 50 12905.0000 12590.5845 2.44% - 0s 0 0 12590.9677 0 58 12905.0000 12590.9677 2.43% - 0s 0 0 12591.5192 0 60 12905.0000 12591.5192 2.43% - 0s 0 0 12591.8294 0 61 12905.0000 12591.8294 2.43% - 0s 0 0 12591.9282 0 64 12905.0000 12591.9282 2.43% - 0s 0 0 12592.3783 0 62 12905.0000 12592.3783 2.42% - 0s 0 0 12593.1007 0 68 12905.0000 12593.1007 2.42% - 0s 0 0 12593.2585 0 70 12905.0000 12593.2585 2.42% - 1s 0 0 12593.6173 0 57 12905.0000 12593.6173 2.41% - 1s 0 0 12593.9102 0 62 12905.0000 12593.9102 2.41% - 1s 0 0 12593.9977 0 65 12905.0000 12593.9977 2.41% - 1s H 0 0 12897.000000 12593.9977 2.35% - 1s 0 2 12594.1074 0 65 12897.0000 12594.1074 2.35% - 1s * 52 36 49 12863.000000 12612.7792 1.95% 9.2 2s H 70 42 12861.000000 12623.4949 1.85% 8.9 2s * 84 55 19 12859.000000 12623.4949 1.83% 8.1 2s * 85 53 19 12850.000000 12623.4949 1.76% 8.0 2s * 179 97 36 12847.000000 12643.7857 1.58% 7.4 2s * 372 164 10 12846.000000 12693.8391 1.18% 7.0 2s 741 216 12729.3376 24 24 12846.0000 12729.3376 0.91% 7.2 5s * 1603 50 30 12845.000000 12801.2500 0.34% 7.0 6s Cutting planes: Gomory: 5 Zero half: 7 Explored 1691 nodes (12060 simplex iterations) in 6.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284500000000e+04, best bound 1.284500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46), (40, 46)] Optimize a model with 627 rows, 1128 columns and 156659 nonzeros Presolve time: 0.09s Presolved: 627 rows, 1128 columns, 156659 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12584.1609 0 44 12923.0000 12584.1609 2.62% - 0s 0 0 12586.6482 0 49 12923.0000 12586.6482 2.60% - 0s 0 0 12589.4665 0 52 12923.0000 12589.4665 2.58% - 0s 0 0 12590.0419 0 53 12923.0000 12590.0419 2.58% - 0s 0 0 12590.5382 0 59 12923.0000 12590.5382 2.57% - 0s 0 0 12591.3315 0 57 12923.0000 12591.3315 2.57% - 0s 0 0 12591.5812 0 63 12923.0000 12591.5812 2.56% - 0s 0 0 12592.6726 0 53 12923.0000 12592.6726 2.56% - 0s 0 0 12592.8037 0 55 12923.0000 12592.8037 2.56% - 0s 0 0 12592.8188 0 61 12923.0000 12592.8188 2.55% - 1s 0 0 12592.8277 0 62 12923.0000 12592.8277 2.55% - 1s 0 0 12592.8995 0 58 12923.0000 12592.8995 2.55% - 1s 0 0 12592.9192 0 68 12923.0000 12592.9192 2.55% - 1s 0 0 12592.9839 0 65 12923.0000 12592.9839 2.55% - 1s 0 0 12593.1337 0 60 12923.0000 12593.1337 2.55% - 1s 0 0 12593.2397 0 65 12923.0000 12593.2397 2.55% - 1s 0 0 12593.3330 0 66 12923.0000 12593.3330 2.55% - 1s 0 0 12593.3462 0 70 12923.0000 12593.3462 2.55% - 1s H 0 0 12902.000000 12593.3462 2.39% - 2s 0 2 12593.4064 0 70 12902.0000 12593.4064 2.39% - 2s H 27 18 12860.000000 12626.6667 1.81% 10.0 2s * 32 20 30 12859.000000 12626.6667 1.81% 10.8 2s * 79 39 32 12854.000000 12632.0000 1.73% 8.4 2s * 103 47 21 12853.000000 12639.2642 1.66% 7.9 2s * 200 79 17 12851.000000 12662.0273 1.47% 7.6 2s * 229 83 18 12847.000000 12669.0000 1.39% 7.4 2s * 252 83 13 12846.000000 12669.3575 1.38% 7.4 2s 610 135 12768.5000 7 70 12846.0000 12731.0000 0.90% 6.8 5s Cutting planes: Gomory: 5 Zero half: 8 Mod-K: 1 Explored 1598 nodes (10761 simplex iterations) in 6.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284600000000e+04, best bound 1.284500000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 628 rows, 1128 columns and 156830 nonzeros Presolve time: 0.09s Presolved: 628 rows, 1128 columns, 156830 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 132 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12584.1609 0 44 12923.0000 12584.1609 2.62% - 0s 0 0 12586.6482 0 49 12923.0000 12586.6482 2.60% - 0s 0 0 12589.4665 0 52 12923.0000 12589.4665 2.58% - 0s 0 0 12590.0419 0 53 12923.0000 12590.0419 2.58% - 0s 0 0 12590.5382 0 59 12923.0000 12590.5382 2.57% - 0s 0 0 12591.3315 0 57 12923.0000 12591.3315 2.57% - 0s 0 0 12591.5812 0 63 12923.0000 12591.5812 2.56% - 0s 0 0 12592.6726 0 53 12923.0000 12592.6726 2.56% - 0s 0 0 12592.8037 0 55 12923.0000 12592.8037 2.56% - 1s 0 0 12592.8188 0 61 12923.0000 12592.8188 2.55% - 1s 0 0 12592.8277 0 62 12923.0000 12592.8277 2.55% - 1s 0 0 12592.8995 0 58 12923.0000 12592.8995 2.55% - 1s 0 0 12592.9192 0 68 12923.0000 12592.9192 2.55% - 1s 0 0 12592.9839 0 65 12923.0000 12592.9839 2.55% - 1s 0 0 12593.1337 0 60 12923.0000 12593.1337 2.55% - 1s 0 0 12593.2397 0 65 12923.0000 12593.2397 2.55% - 1s 0 0 12593.3330 0 66 12923.0000 12593.3330 2.55% - 1s 0 0 12593.3462 0 70 12923.0000 12593.3462 2.55% - 1s H 0 0 12902.000000 12593.3462 2.39% - 2s 0 2 12593.4064 0 70 12902.0000 12593.4064 2.39% - 2s H 27 18 12860.000000 12626.6667 1.81% 11.1 2s * 32 20 30 12859.000000 12626.6667 1.81% 11.4 2s * 79 40 32 12854.000000 12631.9474 1.73% 8.5 2s * 103 48 21 12853.000000 12638.0808 1.67% 8.0 2s * 197 81 17 12851.000000 12662.0273 1.47% 7.8 2s H 268 87 12850.000000 12678.5321 1.33% 7.8 3s * 273 90 10 12846.000000 12678.5321 1.30% 7.8 3s 611 133 12772.8750 38 70 12846.0000 12730.5000 0.90% 6.9 5s Cutting planes: Gomory: 5 Zero half: 8 Mod-K: 1 Explored 1583 nodes (10746 simplex iterations) in 6.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284600000000e+04, best bound 1.284600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 40), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] adding cut for [(17, 23), (2, 17), (2, 23)] Optimize a model with 630 rows, 1128 columns and 157109 nonzeros Presolve time: 0.09s Presolved: 630 rows, 1128 columns, 157109 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12562.4118 2.48% - 0s 0 0 12575.7097 0 45 12882.0000 12575.7097 2.38% - 0s 0 0 12575.7097 0 46 12882.0000 12575.7097 2.38% - 0s 0 0 12575.7097 0 45 12882.0000 12575.7097 2.38% - 0s 0 0 12579.7429 0 40 12882.0000 12579.7429 2.35% - 0s 0 0 12581.3253 0 45 12882.0000 12581.3253 2.33% - 0s 0 0 12583.6822 0 41 12882.0000 12583.6822 2.32% - 0s 0 0 12585.9487 0 46 12882.0000 12585.9487 2.30% - 0s 0 0 12588.8857 0 47 12882.0000 12588.8857 2.28% - 0s 0 0 12589.2685 0 52 12882.0000 12589.2685 2.27% - 0s 0 0 12589.5188 0 54 12882.0000 12589.5188 2.27% - 0s 0 0 12589.8566 0 59 12882.0000 12589.8566 2.27% - 0s 0 0 12590.0829 0 51 12882.0000 12590.0829 2.27% - 0s 0 0 12590.1212 0 61 12882.0000 12590.1212 2.27% - 0s 0 0 12590.2701 0 61 12882.0000 12590.2701 2.26% - 1s 0 0 12590.3033 0 55 12882.0000 12590.3033 2.26% - 1s 0 0 12590.3162 0 61 12882.0000 12590.3162 2.26% - 1s 0 0 12590.6475 0 65 12882.0000 12590.6475 2.26% - 1s 0 0 12590.6656 0 65 12882.0000 12590.6656 2.26% - 1s 0 0 12590.8829 0 68 12882.0000 12590.8829 2.26% - 1s 0 0 12590.9814 0 63 12882.0000 12590.9814 2.26% - 1s 0 0 12590.9954 0 61 12882.0000 12590.9954 2.26% - 1s 0 0 12591.0048 0 64 12882.0000 12591.0048 2.26% - 1s 0 0 12591.0615 0 71 12882.0000 12591.0615 2.26% - 1s 0 0 12591.2176 0 60 12882.0000 12591.2176 2.26% - 1s 0 0 12591.2450 0 60 12882.0000 12591.2450 2.26% - 1s 0 0 12591.2697 0 68 12882.0000 12591.2697 2.26% - 1s 0 0 12591.2823 0 69 12882.0000 12591.2823 2.26% - 1s 0 0 12591.2980 0 69 12882.0000 12591.2980 2.26% - 1s H 0 0 12852.000000 12591.2980 2.03% - 2s 0 2 12591.7615 0 69 12852.0000 12591.7615 2.02% - 2s * 66 36 19 12846.000000 12619.3597 1.76% 8.6 2s Cutting planes: Gomory: 4 Zero half: 11 Mod-K: 5 Explored 1188 nodes (7921 simplex iterations) in 4.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284600000000e+04, best bound 1.284600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 631 rows, 1128 columns and 157434 nonzeros Presolve time: 0.09s Presolved: 631 rows, 1128 columns, 157434 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s H 0 0 12867.000000 12581.3253 2.22% - 0s 0 0 12583.6822 0 41 12867.0000 12583.6822 2.20% - 0s 0 0 12586.2123 0 47 12867.0000 12586.2123 2.18% - 0s 0 0 12586.2458 0 56 12867.0000 12586.2458 2.18% - 0s 0 0 12586.7515 0 53 12867.0000 12586.7515 2.18% - 0s 0 0 12589.1968 0 60 12867.0000 12589.1968 2.16% - 0s 0 0 12589.7039 0 57 12867.0000 12589.7039 2.16% - 0s 0 0 12590.1222 0 48 12867.0000 12590.1222 2.15% - 0s 0 0 12590.1523 0 62 12867.0000 12590.1523 2.15% - 1s 0 0 12590.2617 0 62 12867.0000 12590.2617 2.15% - 1s 0 0 12590.2923 0 67 12867.0000 12590.2923 2.15% - 1s 0 0 12590.3976 0 68 12867.0000 12590.3976 2.15% - 1s 0 2 12590.4023 0 68 12867.0000 12590.4023 2.15% - 1s * 71 38 19 12856.000000 12622.2605 1.82% 5.9 2s * 187 100 15 12851.000000 12656.0000 1.52% 5.8 2s * 353 159 15 12849.000000 12686.2727 1.27% 5.5 2s * 382 158 14 12848.000000 12689.0000 1.24% 5.7 2s * 423 168 13 12847.000000 12691.0000 1.21% 5.6 2s 734 214 12724.5000 24 29 12847.0000 12724.5000 0.95% 6.7 5s H 847 210 12846.000000 12724.5000 0.95% 6.8 5s Cutting planes: Gomory: 4 Zero half: 6 Mod-K: 3 Explored 1754 nodes (11679 simplex iterations) in 6.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284600000000e+04, best bound 1.284600000000e+04, gap 0.0% adding cut for [(33, 46), (4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 632 rows, 1128 columns and 157624 nonzeros Presolve time: 0.09s Presolved: 632 rows, 1128 columns, 157624 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12847.000000 12562.4118 2.22% - 0s 0 0 12575.7097 0 45 12847.0000 12575.7097 2.11% - 0s 0 0 12575.7097 0 46 12847.0000 12575.7097 2.11% - 0s 0 0 12575.7097 0 45 12847.0000 12575.7097 2.11% - 0s 0 0 12583.6822 0 41 12847.0000 12583.6822 2.05% - 0s 0 0 12585.9487 0 46 12847.0000 12585.9487 2.03% - 0s 0 0 12590.0609 0 35 12847.0000 12590.0609 2.00% - 0s 0 0 12591.1037 0 58 12847.0000 12591.1037 1.99% - 0s 0 0 12593.9144 0 55 12847.0000 12593.9144 1.97% - 0s 0 0 12594.1989 0 56 12847.0000 12594.1989 1.97% - 0s 0 0 12595.3611 0 54 12847.0000 12595.3611 1.96% - 0s 0 0 12595.4228 0 61 12847.0000 12595.4228 1.96% - 0s 0 2 12595.9113 0 61 12847.0000 12595.9113 1.95% - 1s * 1426 170 26 12846.000000 12744.0000 0.79% 6.1 4s 1459 162 cutoff 33 12846.0000 12754.3333 0.71% 6.1 5s Cutting planes: Gomory: 4 Zero half: 5 Explored 1917 nodes (11464 simplex iterations) in 5.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284600000000e+04, best bound 1.284500000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 633 rows, 1128 columns and 157834 nonzeros Presolve time: 0.09s Presolved: 633 rows, 1128 columns, 157834 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s H 0 0 12892.000000 12575.7097 2.45% - 0s 0 0 12579.7429 0 40 12892.0000 12579.7429 2.42% - 0s 0 0 12581.3253 0 45 12892.0000 12581.3253 2.41% - 0s 0 0 12584.1229 0 44 12892.0000 12584.1229 2.39% - 0s 0 0 12586.2648 0 56 12892.0000 12586.2648 2.37% - 0s 0 0 12586.7526 0 53 12892.0000 12586.7526 2.37% - 0s 0 0 12589.1968 0 60 12892.0000 12589.1968 2.35% - 0s 0 0 12589.7039 0 57 12892.0000 12589.7039 2.34% - 0s 0 0 12590.1222 0 48 12892.0000 12590.1222 2.34% - 0s 0 0 12590.1523 0 62 12892.0000 12590.1523 2.34% - 1s 0 0 12590.2617 0 62 12892.0000 12590.2617 2.34% - 1s 0 0 12590.3590 0 67 12892.0000 12590.3590 2.34% - 1s 0 0 12590.7889 0 61 12892.0000 12590.7889 2.34% - 1s 0 0 12590.8476 0 58 12892.0000 12590.8476 2.34% - 1s 0 0 12591.0755 0 58 12892.0000 12591.0755 2.33% - 1s 0 2 12591.1299 0 58 12892.0000 12591.1299 2.33% - 1s H 27 22 12855.000000 12615.0000 1.87% 11.9 2s * 52 25 49 12851.000000 12615.0000 1.84% 8.3 2s H 155 77 12849.000000 12639.0000 1.63% 6.6 2s * 523 157 7 12847.000000 12708.0000 1.08% 6.9 3s 814 184 12739.0000 15 54 12847.0000 12739.0000 0.84% 6.9 5s Cutting planes: Gomory: 4 Zero half: 6 Mod-K: 1 Explored 1753 nodes (12066 simplex iterations) in 6.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284600000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 634 rows, 1128 columns and 158065 nonzeros Presolve time: 0.09s Presolved: 634 rows, 1128 columns, 158065 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12589.6030 0 43 12923.0000 12589.6030 2.58% - 0s 0 0 12589.7496 0 51 12923.0000 12589.7496 2.58% - 0s 0 0 12590.4831 0 46 12923.0000 12590.4831 2.57% - 0s 0 0 12590.5480 0 53 12923.0000 12590.5480 2.57% - 0s 0 0 12590.7294 0 56 12923.0000 12590.7294 2.57% - 0s 0 0 12590.7707 0 58 12923.0000 12590.7707 2.57% - 1s 0 0 12590.9573 0 59 12923.0000 12590.9573 2.57% - 1s 0 0 12591.0304 0 61 12923.0000 12591.0304 2.57% - 1s H 0 0 12891.000000 12591.0304 2.33% - 1s 0 2 12591.1913 0 61 12891.0000 12591.1913 2.33% - 1s * 51 27 49 12875.000000 12615.0000 2.02% 7.9 1s H 54 25 12858.000000 12624.5000 1.82% 8.2 2s H 109 51 12853.000000 12638.3969 1.67% 7.2 2s * 134 65 37 12852.000000 12638.3969 1.66% 6.6 2s * 176 74 13 12847.000000 12645.4636 1.57% 6.6 2s 800 163 cutoff 17 12847.0000 12738.0000 0.85% 7.5 5s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 1 Explored 1505 nodes (10423 simplex iterations) in 5.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 635 rows, 1128 columns and 158296 nonzeros Presolve time: 0.09s Presolved: 635 rows, 1128 columns, 158296 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12921.000000 12562.4118 2.78% - 0s 0 0 12575.7097 0 45 12921.0000 12575.7097 2.67% - 0s 0 0 12575.7097 0 46 12921.0000 12575.7097 2.67% - 0s 0 0 12575.7097 0 45 12921.0000 12575.7097 2.67% - 0s 0 0 12579.7429 0 40 12921.0000 12579.7429 2.64% - 0s 0 0 12581.3253 0 45 12921.0000 12581.3253 2.63% - 0s 0 0 12583.6822 0 41 12921.0000 12583.6822 2.61% - 0s 0 0 12585.9487 0 46 12921.0000 12585.9487 2.59% - 0s 0 0 12588.8857 0 47 12921.0000 12588.8857 2.57% - 0s 0 0 12589.2685 0 52 12921.0000 12589.2685 2.57% - 0s 0 0 12589.5425 0 56 12921.0000 12589.5425 2.57% - 0s 0 0 12589.8673 0 59 12921.0000 12589.8673 2.56% - 0s 0 0 12590.1795 0 51 12921.0000 12590.1795 2.56% - 0s 0 0 12590.1814 0 49 12921.0000 12590.1814 2.56% - 1s 0 0 12590.2213 0 61 12921.0000 12590.2213 2.56% - 1s 0 0 12590.2285 0 61 12921.0000 12590.2285 2.56% - 1s 0 0 12590.4668 0 61 12921.0000 12590.4668 2.56% - 1s 0 0 12590.4872 0 62 12921.0000 12590.4872 2.56% - 1s 0 2 12590.6964 0 62 12921.0000 12590.6964 2.56% - 1s H 27 20 12879.000000 12595.9247 2.20% 7.5 1s * 73 41 39 12872.000000 12606.3996 2.06% 7.2 2s * 87 45 52 12871.000000 12606.3996 2.06% 6.5 2s H 102 44 12849.000000 12619.7824 1.78% 6.7 2s * 112 48 10 12847.000000 12619.7824 1.77% 6.8 2s 833 152 12753.0000 15 27 12847.0000 12714.6667 1.03% 7.2 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 3 Explored 1737 nodes (11563 simplex iterations) in 5.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 636 rows, 1128 columns and 158596 nonzeros Presolve time: 0.09s Presolved: 636 rows, 1128 columns, 158596 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12589.6030 0 43 12923.0000 12589.6030 2.58% - 0s 0 0 12589.7496 0 51 12923.0000 12589.7496 2.58% - 0s 0 0 12590.4831 0 46 12923.0000 12590.4831 2.57% - 0s 0 0 12590.5480 0 53 12923.0000 12590.5480 2.57% - 0s 0 0 12590.7294 0 56 12923.0000 12590.7294 2.57% - 0s 0 0 12590.7707 0 58 12923.0000 12590.7707 2.57% - 0s 0 0 12590.9573 0 59 12923.0000 12590.9573 2.57% - 1s 0 0 12591.0304 0 61 12923.0000 12591.0304 2.57% - 1s 0 2 12591.1866 0 61 12923.0000 12591.1866 2.57% - 1s * 52 29 50 12875.000000 12615.0000 2.02% 6.9 1s H 58 28 12858.000000 12624.5000 1.82% 6.9 1s * 214 92 20 12851.000000 12657.4402 1.51% 6.1 2s * 259 97 7 12850.000000 12666.3673 1.43% 6.4 2s * 327 119 28 12847.000000 12680.9971 1.29% 6.5 2s 853 176 12794.0000 24 19 12847.0000 12718.2253 1.00% 7.0 5s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 1 Explored 1546 nodes (10161 simplex iterations) in 5.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284700000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 16), (9, 38), (12, 13), (12, 24), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 637 rows, 1128 columns and 158849 nonzeros Presolve time: 0.09s Presolved: 637 rows, 1128 columns, 158849 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12562.4118 2.63% - 0s 0 0 12575.7097 0 45 12902.0000 12575.7097 2.53% - 0s 0 0 12575.7097 0 46 12902.0000 12575.7097 2.53% - 0s 0 0 12575.7097 0 45 12902.0000 12575.7097 2.53% - 0s 0 0 12583.6822 0 41 12902.0000 12583.6822 2.47% - 0s 0 0 12585.9487 0 46 12902.0000 12585.9487 2.45% - 0s 0 0 12590.0609 0 35 12902.0000 12590.0609 2.42% - 0s 0 0 12591.1037 0 58 12902.0000 12591.1037 2.41% - 0s 0 0 12593.9232 0 56 12902.0000 12593.9232 2.39% - 0s 0 0 12595.0838 0 62 12902.0000 12595.0838 2.38% - 0s 0 0 12595.4455 0 55 12902.0000 12595.4455 2.38% - 0s 0 0 12595.5602 0 63 12902.0000 12595.5602 2.38% - 0s 0 0 12595.6452 0 57 12902.0000 12595.6452 2.37% - 0s 0 0 12595.6452 0 57 12902.0000 12595.6452 2.37% - 1s 0 2 12595.7470 0 57 12902.0000 12595.7470 2.37% - 1s H 37 28 12870.000000 12617.2643 1.96% 7.9 1s H 78 38 12850.000000 12625.3333 1.75% 7.2 1s H 105 55 12847.000000 12631.5000 1.68% 6.7 2s 890 253 12689.2500 23 16 12847.0000 12688.5782 1.23% 6.9 5s Cutting planes: Gomory: 3 Zero half: 8 Explored 1654 nodes (11106 simplex iterations) in 5.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 638 rows, 1128 columns and 159102 nonzeros Presolve time: 0.09s Presolved: 638 rows, 1128 columns, 159102 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12589.6030 0 43 12923.0000 12589.6030 2.58% - 0s 0 0 12589.7496 0 51 12923.0000 12589.7496 2.58% - 0s 0 0 12590.4831 0 46 12923.0000 12590.4831 2.57% - 0s 0 0 12590.5480 0 53 12923.0000 12590.5480 2.57% - 0s 0 0 12590.7294 0 56 12923.0000 12590.7294 2.57% - 0s 0 0 12590.7707 0 58 12923.0000 12590.7707 2.57% - 1s 0 0 12590.9573 0 59 12923.0000 12590.9573 2.57% - 1s 0 0 12591.0304 0 61 12923.0000 12591.0304 2.57% - 1s 0 2 12591.1866 0 61 12923.0000 12591.1866 2.57% - 1s * 52 29 50 12875.000000 12615.0000 2.02% 6.9 1s H 58 28 12858.000000 12624.5000 1.82% 6.9 2s * 214 92 20 12851.000000 12657.4402 1.51% 6.1 2s * 259 97 7 12850.000000 12666.3673 1.43% 6.4 2s * 327 120 28 12848.000000 12680.9971 1.30% 6.6 2s * 328 118 27 12847.000000 12680.9971 1.29% 6.5 2s 783 164 12718.2253 16 41 12847.0000 12718.2253 1.00% 6.9 5s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 1 Explored 1468 nodes (9720 simplex iterations) in 5.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 16), (16, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 639 rows, 1128 columns and 159355 nonzeros Presolve time: 0.09s Presolved: 639 rows, 1128 columns, 159355 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12908.000000 12562.4118 2.68% - 0s 0 0 12575.7097 0 45 12908.0000 12575.7097 2.57% - 0s 0 0 12575.7097 0 46 12908.0000 12575.7097 2.57% - 0s 0 0 12575.7097 0 45 12908.0000 12575.7097 2.57% - 0s 0 0 12583.6822 0 41 12908.0000 12583.6822 2.51% - 0s 0 0 12585.9487 0 46 12908.0000 12585.9487 2.49% - 0s 0 0 12590.0609 0 35 12908.0000 12590.0609 2.46% - 0s 0 0 12593.6271 0 52 12908.0000 12593.6271 2.44% - 0s 0 0 12594.0982 0 59 12908.0000 12594.0982 2.43% - 0s 0 0 12594.1265 0 62 12908.0000 12594.1265 2.43% - 0s 0 0 12594.9072 0 62 12908.0000 12594.9072 2.43% - 0s 0 0 12595.6916 0 54 12908.0000 12595.6916 2.42% - 0s 0 0 12596.1435 0 54 12908.0000 12596.1435 2.42% - 1s 0 0 12596.2429 0 62 12908.0000 12596.2429 2.42% - 1s 0 0 12596.6842 0 52 12908.0000 12596.6842 2.41% - 1s 0 0 12596.8868 0 54 12908.0000 12596.8868 2.41% - 1s 0 0 12596.8955 0 64 12908.0000 12596.8955 2.41% - 1s 0 0 12597.1039 0 53 12908.0000 12597.1039 2.41% - 1s 0 0 12597.4817 0 63 12908.0000 12597.4817 2.41% - 1s 0 0 12597.7505 0 63 12908.0000 12597.7505 2.40% - 1s 0 0 12598.1600 0 55 12908.0000 12598.1600 2.40% - 1s 0 0 12598.2801 0 66 12908.0000 12598.2801 2.40% - 1s 0 0 12598.2933 0 67 12908.0000 12598.2933 2.40% - 1s H 0 0 12889.000000 12598.2933 2.26% - 1s H 0 0 12881.000000 12598.2933 2.19% - 1s 0 2 12598.4040 0 67 12881.0000 12598.4040 2.19% - 2s * 34 21 32 12849.000000 12613.9529 1.83% 5.4 2s * 288 135 19 12848.000000 12647.7222 1.56% 6.3 2s 617 212 12710.0000 16 37 12848.0000 12710.0000 1.07% 6.9 5s H 778 210 12847.000000 12710.0000 1.07% 7.3 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1742 nodes (11971 simplex iterations) in 6.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284700000000e+04, gap 0.0% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 640 rows, 1128 columns and 159586 nonzeros Presolve time: 0.09s Presolved: 640 rows, 1128 columns, 159586 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12856.000000 12562.4118 2.28% - 0s 0 0 12575.7097 0 45 12856.0000 12575.7097 2.18% - 0s 0 0 12575.7097 0 46 12856.0000 12575.7097 2.18% - 0s 0 0 12575.7097 0 45 12856.0000 12575.7097 2.18% - 0s 0 0 12583.6822 0 41 12856.0000 12583.6822 2.12% - 0s 0 0 12585.9487 0 46 12856.0000 12585.9487 2.10% - 0s 0 0 12590.0609 0 35 12856.0000 12590.0609 2.07% - 0s 0 0 12591.1037 0 58 12856.0000 12591.1037 2.06% - 0s 0 0 12594.9992 0 54 12856.0000 12594.9992 2.03% - 0s 0 0 12595.0819 0 62 12856.0000 12595.0819 2.03% - 0s 0 0 12595.4152 0 44 12856.0000 12595.4152 2.03% - 0s 0 0 12595.4717 0 55 12856.0000 12595.4717 2.03% - 0s 0 0 12595.5840 0 64 12856.0000 12595.5840 2.03% - 0s 0 0 12595.7527 0 53 12856.0000 12595.7527 2.02% - 0s 0 0 12595.7642 0 62 12856.0000 12595.7642 2.02% - 0s 0 0 12595.9315 0 67 12856.0000 12595.9315 2.02% - 1s 0 0 12596.0871 0 68 12856.0000 12596.0871 2.02% - 1s 0 0 12596.6782 0 61 12856.0000 12596.6782 2.02% - 1s 0 0 12596.7027 0 68 12856.0000 12596.7027 2.02% - 1s 0 2 12596.9076 0 68 12856.0000 12596.9076 2.02% - 1s H 43 19 12848.000000 12628.5333 1.71% 10.4 2s * 772 154 9 12847.000000 12755.7714 0.71% 6.7 3s Cutting planes: Gomory: 7 Zero half: 20 Explored 1168 nodes (7718 simplex iterations) in 3.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (13, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 641 rows, 1128 columns and 159862 nonzeros Presolve time: 0.09s Presolved: 641 rows, 1128 columns, 159862 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12851.000000 12562.4118 2.25% - 0s 0 0 12575.7097 0 45 12851.0000 12575.7097 2.14% - 0s 0 0 12575.7097 0 46 12851.0000 12575.7097 2.14% - 0s 0 0 12575.7097 0 45 12851.0000 12575.7097 2.14% - 0s 0 0 12583.6822 0 41 12851.0000 12583.6822 2.08% - 0s 0 0 12585.9487 0 46 12851.0000 12585.9487 2.06% - 0s 0 0 12590.0871 0 49 12851.0000 12590.0871 2.03% - 0s 0 0 12591.1788 0 58 12851.0000 12591.1788 2.02% - 0s 0 0 12593.9144 0 55 12851.0000 12593.9144 2.00% - 0s 0 0 12594.5236 0 60 12851.0000 12594.5236 2.00% - 0s 0 0 12594.8599 0 55 12851.0000 12594.8599 1.99% - 0s 0 0 12595.3096 0 62 12851.0000 12595.3096 1.99% - 0s 0 0 12595.3598 0 65 12851.0000 12595.3598 1.99% - 0s 0 0 12595.9157 0 65 12851.0000 12595.9157 1.98% - 0s 0 0 12596.7469 0 63 12851.0000 12596.7469 1.98% - 0s 0 0 12596.8771 0 62 12851.0000 12596.8771 1.98% - 0s 0 0 12596.9279 0 66 12851.0000 12596.9279 1.98% - 1s 0 0 12597.1170 0 69 12851.0000 12597.1170 1.98% - 1s 0 0 12597.3611 0 67 12851.0000 12597.3611 1.97% - 1s 0 0 12597.4031 0 68 12851.0000 12597.4031 1.97% - 1s 0 2 12597.4896 0 68 12851.0000 12597.4896 1.97% - 1s H 305 157 12850.000000 12668.4545 1.41% 5.6 2s * 639 276 29 12848.000000 12693.5000 1.20% 6.6 4s 715 271 12693.5000 25 34 12848.0000 12693.5000 1.20% 6.9 5s * 2228 210 27 12847.000000 12779.5000 0.53% 6.6 6s Cutting planes: Gomory: 4 Zero half: 9 Explored 2572 nodes (16923 simplex iterations) in 7.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 642 rows, 1128 columns and 160138 nonzeros Presolve time: 0.09s Presolved: 642 rows, 1128 columns, 160138 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12579.7429 0 40 12923.0000 12579.7429 2.66% - 0s 0 0 12581.3253 0 45 12923.0000 12581.3253 2.64% - 0s 0 0 12583.6822 0 41 12923.0000 12583.6822 2.63% - 0s 0 0 12585.9487 0 46 12923.0000 12585.9487 2.61% - 0s 0 0 12589.6030 0 43 12923.0000 12589.6030 2.58% - 0s 0 0 12589.7496 0 51 12923.0000 12589.7496 2.58% - 0s 0 0 12590.4831 0 46 12923.0000 12590.4831 2.57% - 0s 0 0 12590.5480 0 53 12923.0000 12590.5480 2.57% - 0s 0 0 12590.7294 0 56 12923.0000 12590.7294 2.57% - 0s 0 0 12590.7707 0 58 12923.0000 12590.7707 2.57% - 0s 0 0 12590.9573 0 59 12923.0000 12590.9573 2.57% - 1s 0 0 12591.0304 0 61 12923.0000 12591.0304 2.57% - 1s 0 2 12591.1913 0 61 12923.0000 12591.1913 2.57% - 1s * 52 29 50 12875.000000 12615.0000 2.02% 7.3 1s H 58 27 12858.000000 12624.5000 1.82% 7.3 1s * 214 91 20 12851.000000 12657.4402 1.51% 6.5 2s * 318 115 34 12848.000000 12679.0000 1.32% 6.6 2s * 420 115 13 12847.000000 12699.0000 1.15% 7.0 2s 1204 87 12842.5000 23 16 12847.0000 12770.0000 0.60% 7.1 5s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 1 Explored 1416 nodes (9907 simplex iterations) in 5.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284700000000e+04, best bound 1.284600000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 643 rows, 1128 columns and 160391 nonzeros Presolve time: 0.09s Presolved: 643 rows, 1128 columns, 160391 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12856.000000 12562.4118 2.28% - 0s 0 0 12575.7097 0 45 12856.0000 12575.7097 2.18% - 0s 0 0 12575.7097 0 46 12856.0000 12575.7097 2.18% - 0s 0 0 12575.7097 0 45 12856.0000 12575.7097 2.18% - 0s 0 0 12583.6822 0 41 12856.0000 12583.6822 2.12% - 0s H 0 0 12852.000000 12583.6822 2.09% - 0s 0 0 12585.9487 0 46 12852.0000 12585.9487 2.07% - 0s 0 0 12590.0609 0 35 12852.0000 12590.0609 2.04% - 0s 0 0 12593.9077 0 57 12852.0000 12593.9077 2.01% - 0s 0 0 12594.9992 0 54 12852.0000 12594.9992 2.00% - 0s 0 0 12595.0875 0 62 12852.0000 12595.0875 2.00% - 0s 0 0 12595.1877 0 54 12852.0000 12595.1877 2.00% - 0s 0 0 12595.6309 0 63 12852.0000 12595.6309 1.99% - 0s 0 0 12595.6432 0 53 12852.0000 12595.6432 1.99% - 0s 0 0 12595.7861 0 65 12852.0000 12595.7861 1.99% - 0s 0 0 12596.2337 0 66 12852.0000 12596.2337 1.99% - 1s 0 0 12596.3552 0 66 12852.0000 12596.3552 1.99% - 1s 0 0 12596.4933 0 66 12852.0000 12596.4933 1.99% - 1s 0 0 12596.9958 0 68 12852.0000 12596.9958 1.98% - 1s 0 2 12597.0000 0 68 12852.0000 12597.0000 1.98% - 1s H 27 17 12849.000000 12630.2120 1.70% 7.6 1s * 53 24 46 12848.000000 12630.2120 1.70% 7.7 2s 738 192 12791.5000 21 24 12848.0000 12719.0000 1.00% 7.8 5s Cutting planes: Gomory: 4 Zero half: 8 Explored 1777 nodes (12509 simplex iterations) in 6.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284800000000e+04, best bound 1.284700000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 16), (9, 38), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 644 rows, 1128 columns and 160622 nonzeros Presolve time: 0.09s Presolved: 644 rows, 1128 columns, 160622 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12562.4118 2.63% - 0s 0 0 12575.7097 0 45 12902.0000 12575.7097 2.53% - 0s 0 0 12575.7097 0 46 12902.0000 12575.7097 2.53% - 0s 0 0 12575.7097 0 45 12902.0000 12575.7097 2.53% - 0s 0 0 12583.6822 0 41 12902.0000 12583.6822 2.47% - 0s 0 0 12585.9487 0 46 12902.0000 12585.9487 2.45% - 0s 0 0 12590.0609 0 35 12902.0000 12590.0609 2.42% - 0s 0 0 12591.1037 0 58 12902.0000 12591.1037 2.41% - 0s 0 0 12593.9232 0 56 12902.0000 12593.9232 2.39% - 0s 0 0 12595.0838 0 62 12902.0000 12595.0838 2.38% - 0s 0 0 12595.4455 0 55 12902.0000 12595.4455 2.38% - 0s 0 0 12595.5602 0 63 12902.0000 12595.5602 2.38% - 0s 0 0 12595.6452 0 57 12902.0000 12595.6452 2.37% - 0s 0 0 12595.6452 0 57 12902.0000 12595.6452 2.37% - 1s 0 2 12595.7470 0 57 12902.0000 12595.7470 2.37% - 1s H 38 29 12870.000000 12617.2643 1.96% 7.9 1s H 78 38 12850.000000 12625.3333 1.75% 7.2 1s * 503 226 16 12849.000000 12677.1818 1.34% 6.4 2s 787 283 12783.0000 38 20 12849.0000 12689.1037 1.24% 7.2 5s * 799 271 50 12848.000000 12689.1037 1.24% 7.1 5s Cutting planes: Gomory: 3 Zero half: 8 Explored 1661 nodes (10582 simplex iterations) in 5.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284800000000e+04, best bound 1.284800000000e+04, gap 0.0% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 645 rows, 1128 columns and 160853 nonzeros Presolve time: 0.09s Presolved: 645 rows, 1128 columns, 160853 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12856.000000 12562.4118 2.28% - 0s 0 0 12575.7097 0 45 12856.0000 12575.7097 2.18% - 0s 0 0 12575.7097 0 46 12856.0000 12575.7097 2.18% - 0s 0 0 12575.7097 0 45 12856.0000 12575.7097 2.18% - 0s 0 0 12583.6822 0 41 12856.0000 12583.6822 2.12% - 0s 0 0 12585.9487 0 46 12856.0000 12585.9487 2.10% - 0s 0 0 12590.0609 0 35 12856.0000 12590.0609 2.07% - 0s 0 0 12591.1037 0 58 12856.0000 12591.1037 2.06% - 0s 0 0 12594.9992 0 54 12856.0000 12594.9992 2.03% - 0s 0 0 12595.0819 0 62 12856.0000 12595.0819 2.03% - 0s 0 0 12595.4152 0 44 12856.0000 12595.4152 2.03% - 0s 0 0 12595.4717 0 55 12856.0000 12595.4717 2.03% - 0s 0 0 12595.5840 0 64 12856.0000 12595.5840 2.03% - 0s 0 0 12595.7527 0 53 12856.0000 12595.7527 2.02% - 0s 0 0 12595.7642 0 62 12856.0000 12595.7642 2.02% - 0s 0 0 12595.9315 0 67 12856.0000 12595.9315 2.02% - 1s 0 0 12596.0871 0 68 12856.0000 12596.0871 2.02% - 1s 0 0 12596.6782 0 61 12856.0000 12596.6782 2.02% - 1s 0 0 12596.7027 0 68 12856.0000 12596.7027 2.02% - 1s 0 2 12596.9076 0 68 12856.0000 12596.9076 2.02% - 1s * 92 49 40 12854.000000 12629.7057 1.74% 7.2 2s * 103 53 13 12850.000000 12633.1061 1.69% 7.5 2s H 724 189 12849.000000 12715.0000 1.04% 7.2 4s * 792 176 33 12848.000000 12715.0000 1.04% 7.0 4s 857 187 12754.4000 29 18 12848.0000 12715.0000 1.04% 6.9 5s Cutting planes: Gomory: 2 Zero half: 8 Explored 1691 nodes (11058 simplex iterations) in 5.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284800000000e+04, best bound 1.284800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 646 rows, 1128 columns and 161129 nonzeros Presolve time: 0.09s Presolved: 646 rows, 1128 columns, 161129 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12857.000000 12562.4118 2.29% - 0s 0 0 12575.7097 0 45 12857.0000 12575.7097 2.19% - 0s 0 0 12575.7097 0 46 12857.0000 12575.7097 2.19% - 0s 0 0 12575.7097 0 45 12857.0000 12575.7097 2.19% - 0s 0 0 12583.6822 0 41 12857.0000 12583.6822 2.13% - 0s H 0 0 12853.000000 12583.6822 2.10% - 0s 0 0 12585.9487 0 46 12853.0000 12585.9487 2.08% - 0s 0 0 12589.8897 0 35 12853.0000 12589.8897 2.05% - 0s 0 0 12594.0520 0 55 12853.0000 12594.0520 2.01% - 0s 0 0 12596.4068 0 51 12853.0000 12596.4068 2.00% - 0s 0 0 12596.5058 0 59 12853.0000 12596.5058 2.00% - 0s 0 0 12596.5645 0 47 12853.0000 12596.5645 2.00% - 0s 0 0 12596.7025 0 55 12853.0000 12596.7025 1.99% - 0s 0 0 12596.9142 0 54 12853.0000 12596.9142 1.99% - 0s 0 0 12596.9792 0 60 12853.0000 12596.9792 1.99% - 0s 0 0 12596.9814 0 62 12853.0000 12596.9814 1.99% - 1s 0 2 12597.0000 0 62 12853.0000 12597.0000 1.99% - 1s * 179 94 26 12850.000000 12628.0073 1.73% 5.6 2s * 548 234 18 12849.000000 12693.7879 1.21% 5.7 2s 947 299 12845.2500 27 18 12849.0000 12713.6667 1.05% 6.3 5s * 1529 180 21 12848.000000 12741.5000 0.83% 6.3 5s Cutting planes: Gomory: 3 Zero half: 8 Explored 2114 nodes (13244 simplex iterations) in 6.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284800000000e+04, best bound 1.284700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 647 rows, 1128 columns and 161405 nonzeros Presolve time: 0.09s Presolved: 647 rows, 1128 columns, 161405 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12580.6667 0 44 12923.0000 12580.6667 2.65% - 0s 0 0 12586.0364 0 56 12923.0000 12586.0364 2.61% - 0s 0 0 12586.7600 0 47 12923.0000 12586.7600 2.60% - 0s 0 0 12586.8667 0 55 12923.0000 12586.8667 2.60% - 0s 0 0 12587.0920 0 54 12923.0000 12587.0920 2.60% - 0s 0 0 12587.4633 0 53 12923.0000 12587.4633 2.60% - 0s 0 0 12587.4907 0 55 12923.0000 12587.4907 2.60% - 0s 0 0 12587.5243 0 60 12923.0000 12587.5243 2.60% - 0s 0 0 12587.5369 0 64 12923.0000 12587.5369 2.60% - 0s 0 0 12587.5944 0 64 12923.0000 12587.5944 2.60% - 1s 0 0 12587.6257 0 58 12923.0000 12587.6257 2.60% - 1s 0 0 12587.6965 0 67 12923.0000 12587.6965 2.59% - 1s 0 0 12588.0004 0 62 12923.0000 12588.0004 2.59% - 1s 0 0 12588.1027 0 67 12923.0000 12588.1027 2.59% - 1s 0 0 12589.2415 0 60 12923.0000 12589.2415 2.58% - 1s 0 0 12589.2775 0 68 12923.0000 12589.2775 2.58% - 1s 0 0 12589.8578 0 67 12923.0000 12589.8578 2.58% - 1s 0 0 12589.9108 0 68 12923.0000 12589.9108 2.58% - 1s H 0 0 12902.000000 12589.9108 2.42% - 1s 0 2 12589.9843 0 68 12902.0000 12589.9843 2.42% - 2s * 34 24 30 12864.000000 12620.4075 1.89% 9.4 2s * 56 33 25 12858.000000 12625.5442 1.81% 7.1 2s * 68 30 12 12857.000000 12629.3333 1.77% 7.2 2s * 141 65 12 12855.000000 12641.0000 1.66% 6.8 2s * 187 78 22 12852.000000 12644.7500 1.61% 6.7 2s * 418 129 9 12849.000000 12698.0000 1.18% 6.6 2s 611 156 12778.6667 17 66 12849.0000 12725.7500 0.96% 6.4 5s * 1195 144 29 12848.000000 12725.7500 0.95% 6.9 6s Cutting planes: Gomory: 4 Zero half: 6 Explored 1712 nodes (11699 simplex iterations) in 6.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284800000000e+04, best bound 1.284700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 40), (33, 46), (36, 46)] Optimize a model with 648 rows, 1128 columns and 161705 nonzeros Presolve time: 0.09s Presolved: 648 rows, 1128 columns, 161705 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s H 0 0 12862.000000 12575.7097 2.23% - 0s 0 0 12575.7097 0 45 12862.0000 12575.7097 2.23% - 0s H 0 0 12861.000000 12575.7097 2.22% - 0s 0 0 12580.6667 0 44 12861.0000 12580.6667 2.18% - 0s 0 0 12586.0364 0 56 12861.0000 12586.0364 2.14% - 0s 0 0 12586.7600 0 47 12861.0000 12586.7600 2.13% - 0s 0 0 12586.8667 0 55 12861.0000 12586.8667 2.13% - 0s 0 0 12587.0920 0 54 12861.0000 12587.0920 2.13% - 0s 0 0 12587.4633 0 53 12861.0000 12587.4633 2.13% - 0s 0 0 12587.4907 0 55 12861.0000 12587.4907 2.13% - 0s 0 0 12587.5243 0 60 12861.0000 12587.5243 2.13% - 0s 0 0 12587.5404 0 64 12861.0000 12587.5404 2.13% - 0s 0 0 12587.6022 0 67 12861.0000 12587.6022 2.13% - 1s 0 0 12587.7202 0 65 12861.0000 12587.7202 2.12% - 1s 0 0 12588.3442 0 61 12861.0000 12588.3442 2.12% - 1s 0 0 12588.4237 0 67 12861.0000 12588.4237 2.12% - 1s 0 0 12588.5042 0 69 12861.0000 12588.5042 2.12% - 1s 0 0 12589.4867 0 61 12861.0000 12589.4867 2.11% - 1s 0 0 12589.7689 0 66 12861.0000 12589.7689 2.11% - 1s 0 0 12589.8558 0 67 12861.0000 12589.8558 2.11% - 1s 0 0 12589.8804 0 64 12861.0000 12589.8804 2.11% - 1s 0 2 12589.9486 0 64 12861.0000 12589.9486 2.11% - 1s * 60 28 14 12855.000000 12623.0750 1.80% 6.1 2s * 279 117 11 12854.000000 12682.1346 1.34% 6.2 2s * 280 114 10 12849.000000 12682.1346 1.30% 6.2 2s 647 195 12721.1667 34 28 12849.0000 12721.1667 0.99% 7.1 5s * 1730 62 29 12848.000000 12801.1667 0.36% 6.7 6s Cutting planes: Gomory: 3 Zero half: 7 Explored 1831 nodes (12363 simplex iterations) in 6.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284800000000e+04, best bound 1.284800000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 649 rows, 1128 columns and 161958 nonzeros Presolve time: 0.09s Presolved: 649 rows, 1128 columns, 161958 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12856.000000 12562.4118 2.28% - 0s 0 0 12575.7097 0 45 12856.0000 12575.7097 2.18% - 0s 0 0 12575.7097 0 46 12856.0000 12575.7097 2.18% - 0s 0 0 12575.7097 0 45 12856.0000 12575.7097 2.18% - 0s 0 0 12583.6822 0 41 12856.0000 12583.6822 2.12% - 0s 0 0 12585.9487 0 46 12856.0000 12585.9487 2.10% - 0s 0 0 12590.0609 0 35 12856.0000 12590.0609 2.07% - 0s 0 0 12591.1037 0 58 12856.0000 12591.1037 2.06% - 0s 0 0 12594.9992 0 54 12856.0000 12594.9992 2.03% - 0s 0 0 12595.0819 0 62 12856.0000 12595.0819 2.03% - 0s 0 0 12595.4152 0 44 12856.0000 12595.4152 2.03% - 0s 0 0 12595.4717 0 55 12856.0000 12595.4717 2.03% - 0s 0 0 12595.5840 0 64 12856.0000 12595.5840 2.03% - 0s 0 0 12595.7527 0 53 12856.0000 12595.7527 2.02% - 0s 0 0 12595.7642 0 62 12856.0000 12595.7642 2.02% - 1s 0 0 12595.8679 0 65 12856.0000 12595.8679 2.02% - 1s 0 0 12596.1462 0 60 12856.0000 12596.1462 2.02% - 1s 0 0 12596.2444 0 68 12856.0000 12596.2444 2.02% - 1s 0 0 12596.6371 0 67 12856.0000 12596.6371 2.02% - 1s 0 2 12596.9522 0 67 12856.0000 12596.9522 2.01% - 1s H 81 34 12852.000000 12630.5725 1.72% 7.5 2s * 225 78 19 12851.000000 12657.3704 1.51% 6.9 2s * 297 96 17 12849.000000 12681.8276 1.30% 6.9 2s Cutting planes: Gomory: 6 Zero half: 21 Explored 1220 nodes (8223 simplex iterations) in 3.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284900000000e+04, best bound 1.284900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 24), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 650 rows, 1128 columns and 162234 nonzeros Presolve time: 0.09s Presolved: 650 rows, 1128 columns, 162234 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12850.000000 12562.4118 2.24% - 0s 0 0 12575.7097 0 45 12850.0000 12575.7097 2.13% - 0s 0 0 12575.7097 0 46 12850.0000 12575.7097 2.13% - 0s 0 0 12575.7097 0 45 12850.0000 12575.7097 2.13% - 0s 0 0 12583.6822 0 41 12850.0000 12583.6822 2.07% - 0s 0 0 12585.9487 0 46 12850.0000 12585.9487 2.05% - 0s 0 0 12590.0871 0 49 12850.0000 12590.0871 2.02% - 0s 0 0 12591.1788 0 58 12850.0000 12591.1788 2.01% - 0s 0 0 12593.9144 0 55 12850.0000 12593.9144 1.99% - 0s 0 0 12594.5383 0 60 12850.0000 12594.5383 1.99% - 0s 0 0 12594.8599 0 55 12850.0000 12594.8599 1.99% - 0s 0 0 12595.3096 0 62 12850.0000 12595.3096 1.98% - 0s 0 0 12595.3631 0 65 12850.0000 12595.3631 1.98% - 0s 0 0 12596.3060 0 63 12850.0000 12596.3060 1.97% - 0s 0 0 12596.7572 0 63 12850.0000 12596.7572 1.97% - 0s 0 0 12596.9856 0 66 12850.0000 12596.9856 1.97% - 0s 0 0 12597.1419 0 70 12850.0000 12597.1419 1.97% - 0s 0 0 12597.2414 0 68 12850.0000 12597.2414 1.97% - 1s 0 2 12597.2530 0 68 12850.0000 12597.2530 1.97% - 1s * 309 132 15 12849.000000 12657.7500 1.49% 6.4 2s 695 219 12705.0000 23 41 12849.0000 12705.0000 1.12% 7.8 5s Cutting planes: Gomory: 4 Zero half: 10 Explored 1998 nodes (13647 simplex iterations) in 6.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284900000000e+04, best bound 1.284900000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (10, 24), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 651 rows, 1128 columns and 162424 nonzeros Presolve time: 0.09s Presolved: 651 rows, 1128 columns, 162424 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12580.6667 0 44 12923.0000 12580.6667 2.65% - 0s 0 0 12586.0364 0 56 12923.0000 12586.0364 2.61% - 0s 0 0 12586.7600 0 47 12923.0000 12586.7600 2.60% - 0s 0 0 12586.8667 0 55 12923.0000 12586.8667 2.60% - 0s 0 0 12587.0920 0 54 12923.0000 12587.0920 2.60% - 0s 0 0 12587.4633 0 53 12923.0000 12587.4633 2.60% - 0s 0 0 12587.4907 0 55 12923.0000 12587.4907 2.60% - 0s 0 0 12587.5243 0 60 12923.0000 12587.5243 2.60% - 0s 0 0 12587.5369 0 64 12923.0000 12587.5369 2.60% - 0s 0 0 12587.5560 0 65 12923.0000 12587.5560 2.60% - 1s 0 0 12587.6630 0 66 12923.0000 12587.6630 2.59% - 1s 0 0 12588.0482 0 56 12923.0000 12588.0482 2.59% - 1s 0 0 12588.1322 0 65 12923.0000 12588.1322 2.59% - 1s 0 0 12588.5106 0 66 12923.0000 12588.5106 2.59% - 1s 0 0 12588.5866 0 66 12923.0000 12588.5866 2.59% - 1s 0 0 12589.0231 0 69 12923.0000 12589.0231 2.58% - 1s 0 0 12589.2686 0 62 12923.0000 12589.2686 2.58% - 1s H 0 0 12902.000000 12589.2686 2.42% - 1s 0 2 12589.3513 0 62 12902.0000 12589.3513 2.42% - 1s H 27 22 12868.000000 12623.4124 1.90% 10.0 2s * 62 28 58 12863.000000 12623.4124 1.86% 6.0 2s * 79 37 21 12858.000000 12624.5000 1.82% 5.8 2s * 142 74 23 12853.000000 12631.7767 1.72% 5.6 2s * 479 143 18 12849.000000 12705.0000 1.12% 5.9 2s 671 170 12722.3846 13 8 12849.0000 12722.3846 0.99% 7.0 5s Cutting planes: Gomory: 4 Zero half: 8 Explored 1681 nodes (10972 simplex iterations) in 6.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284900000000e+04, best bound 1.284800000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 36), (13, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 652 rows, 1128 columns and 162677 nonzeros Presolve time: 0.09s Presolved: 652 rows, 1128 columns, 162677 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12851.000000 12562.4118 2.25% - 0s 0 0 12575.7097 0 45 12851.0000 12575.7097 2.14% - 0s 0 0 12575.7097 0 46 12851.0000 12575.7097 2.14% - 0s 0 0 12575.7097 0 45 12851.0000 12575.7097 2.14% - 0s 0 0 12583.6822 0 41 12851.0000 12583.6822 2.08% - 0s 0 0 12585.9487 0 46 12851.0000 12585.9487 2.06% - 0s 0 0 12590.0871 0 49 12851.0000 12590.0871 2.03% - 0s 0 0 12591.1788 0 58 12851.0000 12591.1788 2.02% - 0s 0 0 12593.9144 0 55 12851.0000 12593.9144 2.00% - 0s 0 0 12594.5236 0 60 12851.0000 12594.5236 2.00% - 0s 0 0 12594.8599 0 55 12851.0000 12594.8599 1.99% - 0s 0 0 12595.3096 0 62 12851.0000 12595.3096 1.99% - 0s 0 0 12595.3598 0 65 12851.0000 12595.3598 1.99% - 0s 0 0 12595.9157 0 65 12851.0000 12595.9157 1.98% - 0s 0 0 12596.7469 0 63 12851.0000 12596.7469 1.98% - 0s 0 0 12596.8771 0 62 12851.0000 12596.8771 1.98% - 1s 0 0 12596.9279 0 66 12851.0000 12596.9279 1.98% - 1s 0 0 12597.1170 0 69 12851.0000 12597.1170 1.98% - 1s 0 0 12597.3611 0 67 12851.0000 12597.3611 1.97% - 1s 0 0 12597.4031 0 68 12851.0000 12597.4031 1.97% - 1s 0 2 12597.4896 0 68 12851.0000 12597.4896 1.97% - 1s * 274 136 11 12849.000000 12663.5979 1.44% 6.0 2s 658 266 12693.6923 43 36 12849.0000 12693.6923 1.21% 7.1 5s Cutting planes: Gomory: 4 Zero half: 9 Explored 2253 nodes (14825 simplex iterations) in 6.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284900000000e+04, best bound 1.284800000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 653 rows, 1128 columns and 162930 nonzeros Presolve time: 0.09s Presolved: 653 rows, 1128 columns, 162930 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12580.6667 0 44 12923.0000 12580.6667 2.65% - 0s 0 0 12586.0364 0 56 12923.0000 12586.0364 2.61% - 0s 0 0 12586.7600 0 47 12923.0000 12586.7600 2.60% - 0s 0 0 12586.8667 0 55 12923.0000 12586.8667 2.60% - 0s 0 0 12587.0920 0 54 12923.0000 12587.0920 2.60% - 0s 0 0 12587.4633 0 53 12923.0000 12587.4633 2.60% - 0s 0 0 12587.4907 0 55 12923.0000 12587.4907 2.60% - 0s 0 0 12587.5243 0 60 12923.0000 12587.5243 2.60% - 0s 0 0 12587.5369 0 64 12923.0000 12587.5369 2.60% - 1s 0 0 12587.5944 0 64 12923.0000 12587.5944 2.60% - 1s 0 0 12587.6257 0 58 12923.0000 12587.6257 2.60% - 1s 0 0 12587.6520 0 67 12923.0000 12587.6520 2.59% - 1s 0 0 12587.9526 0 61 12923.0000 12587.9526 2.59% - 1s 0 0 12588.0540 0 66 12923.0000 12588.0540 2.59% - 1s 0 0 12589.0699 0 59 12923.0000 12589.0699 2.58% - 1s 0 0 12589.1482 0 69 12923.0000 12589.1482 2.58% - 1s 0 0 12589.4392 0 60 12923.0000 12589.4392 2.58% - 1s 0 0 12589.4565 0 65 12923.0000 12589.4565 2.58% - 1s 0 0 12589.5820 0 67 12923.0000 12589.5820 2.58% - 1s 0 0 12589.6353 0 66 12923.0000 12589.6353 2.58% - 1s 0 0 12589.8209 0 69 12923.0000 12589.8209 2.58% - 1s 0 0 12593.5043 0 67 12923.0000 12593.5043 2.55% - 1s 0 0 12594.4764 0 62 12923.0000 12594.4764 2.54% - 1s 0 0 12594.5258 0 69 12923.0000 12594.5258 2.54% - 1s 0 0 12594.5258 0 69 12923.0000 12594.5258 2.54% - 1s H 0 0 12882.000000 12594.5258 2.23% - 2s 0 2 12594.5914 0 69 12882.0000 12594.5914 2.23% - 2s H 27 22 12863.000000 12604.0877 2.01% 10.4 2s * 95 51 27 12861.000000 12612.0308 1.94% 7.1 2s * 108 45 7 12850.000000 12622.1139 1.77% 7.2 2s 610 195 12758.0000 10 69 12850.0000 12692.8000 1.22% 6.3 5s * 1063 185 27 12849.000000 12712.0556 1.07% 6.9 6s Cutting planes: Gomory: 4 Zero half: 8 Explored 1857 nodes (12436 simplex iterations) in 7.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284900000000e+04, best bound 1.284800000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 654 rows, 1128 columns and 163206 nonzeros Presolve time: 0.09s Presolved: 654 rows, 1128 columns, 163206 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12562.4118 2.53% - 0s 0 0 12575.7097 0 45 12889.0000 12575.7097 2.43% - 0s 0 0 12575.7097 0 46 12889.0000 12575.7097 2.43% - 0s 0 0 12575.7097 0 45 12889.0000 12575.7097 2.43% - 0s 0 0 12579.7429 0 40 12889.0000 12579.7429 2.40% - 0s 0 0 12581.3253 0 45 12889.0000 12581.3253 2.39% - 0s 0 0 12583.6822 0 41 12889.0000 12583.6822 2.37% - 0s 0 0 12585.9487 0 46 12889.0000 12585.9487 2.35% - 0s 0 0 12588.8857 0 47 12889.0000 12588.8857 2.33% - 0s 0 0 12589.2685 0 52 12889.0000 12589.2685 2.33% - 0s 0 0 12589.5528 0 56 12889.0000 12589.5528 2.32% - 0s 0 0 12590.1873 0 61 12889.0000 12590.1873 2.32% - 0s 0 0 12590.4500 0 53 12889.0000 12590.4500 2.32% - 0s 0 0 12590.4943 0 60 12889.0000 12590.4943 2.32% - 0s 0 0 12590.4964 0 61 12889.0000 12590.4964 2.32% - 1s H 0 0 12882.000000 12590.4964 2.26% - 1s 0 2 12590.6705 0 61 12882.0000 12590.6705 2.26% - 1s * 37 23 28 12877.000000 12597.0000 2.17% 5.9 1s * 69 43 30 12866.000000 12610.8634 1.98% 7.3 1s * 71 41 30 12854.000000 12610.8634 1.89% 7.1 1s H 175 92 12853.000000 12646.2353 1.61% 6.3 2s * 193 97 16 12850.000000 12650.6667 1.55% 6.2 2s 829 172 12824.3333 22 32 12850.0000 12716.4493 1.04% 6.9 5s * 927 154 23 12849.000000 12716.4493 1.03% 6.7 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 3 Explored 1688 nodes (11341 simplex iterations) in 5.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284900000000e+04, best bound 1.284900000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 46), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 655 rows, 1128 columns and 163396 nonzeros Presolve time: 0.09s Presolved: 655 rows, 1128 columns, 163396 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12562.4118 2.53% - 0s 0 0 12575.7097 0 45 12889.0000 12575.7097 2.43% - 0s 0 0 12575.7097 0 46 12889.0000 12575.7097 2.43% - 0s 0 0 12575.7097 0 45 12889.0000 12575.7097 2.43% - 0s 0 0 12579.7429 0 40 12889.0000 12579.7429 2.40% - 0s 0 0 12581.3253 0 45 12889.0000 12581.3253 2.39% - 0s 0 0 12583.6822 0 41 12889.0000 12583.6822 2.37% - 0s 0 0 12585.9487 0 46 12889.0000 12585.9487 2.35% - 0s 0 0 12588.8857 0 47 12889.0000 12588.8857 2.33% - 0s 0 0 12589.2685 0 52 12889.0000 12589.2685 2.33% - 0s 0 0 12589.5528 0 56 12889.0000 12589.5528 2.32% - 0s 0 0 12590.1873 0 61 12889.0000 12590.1873 2.32% - 0s 0 0 12590.4481 0 54 12889.0000 12590.4481 2.32% - 0s 0 0 12590.4587 0 56 12889.0000 12590.4587 2.32% - 1s 0 0 12590.4657 0 64 12889.0000 12590.4657 2.32% - 1s 0 0 12590.6276 0 59 12889.0000 12590.6276 2.31% - 1s 0 2 12590.6370 0 59 12889.0000 12590.6370 2.31% - 1s H 27 19 12865.000000 12615.0000 1.94% 10.1 2s * 60 24 58 12851.000000 12615.0000 1.84% 6.6 2s * 435 124 11 12850.000000 12710.0000 1.09% 6.8 2s 789 183 12763.2000 23 31 12850.0000 12731.0000 0.93% 7.2 5s * 1076 117 20 12849.000000 12731.0000 0.92% 7.0 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 3 Explored 1686 nodes (11409 simplex iterations) in 6.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284900000000e+04, best bound 1.284900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 656 rows, 1128 columns and 163672 nonzeros Presolve time: 0.09s Presolved: 656 rows, 1128 columns, 163672 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12850.000000 12562.4118 2.24% - 0s 0 0 12575.7097 0 45 12850.0000 12575.7097 2.13% - 0s 0 0 12575.7097 0 46 12850.0000 12575.7097 2.13% - 0s 0 0 12575.7097 0 45 12850.0000 12575.7097 2.13% - 0s 0 0 12583.6822 0 41 12850.0000 12583.6822 2.07% - 0s 0 0 12585.9487 0 46 12850.0000 12585.9487 2.05% - 0s 0 0 12590.0871 0 49 12850.0000 12590.0871 2.02% - 0s 0 0 12591.1788 0 58 12850.0000 12591.1788 2.01% - 0s 0 0 12593.9144 0 55 12850.0000 12593.9144 1.99% - 0s 0 0 12594.5383 0 60 12850.0000 12594.5383 1.99% - 0s 0 0 12594.8599 0 55 12850.0000 12594.8599 1.99% - 0s 0 0 12595.3096 0 62 12850.0000 12595.3096 1.98% - 0s 0 0 12595.3631 0 65 12850.0000 12595.3631 1.98% - 0s 0 0 12596.1122 0 69 12850.0000 12596.1122 1.98% - 0s 0 0 12596.4747 0 64 12850.0000 12596.4747 1.97% - 0s 0 0 12596.8247 0 66 12850.0000 12596.8247 1.97% - 0s 0 0 12597.1247 0 69 12850.0000 12597.1247 1.97% - 1s 0 0 12597.3172 0 69 12850.0000 12597.3172 1.97% - 1s 0 2 12597.3272 0 69 12850.0000 12597.3272 1.97% - 1s 701 252 12834.3636 61 44 12850.0000 12698.9125 1.18% 8.0 5s * 1029 247 25 12849.000000 12698.9125 1.17% 7.8 5s Cutting planes: Gomory: 4 Zero half: 11 Explored 2200 nodes (15785 simplex iterations) in 6.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.284900000000e+04, best bound 1.284800000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 657 rows, 1128 columns and 163948 nonzeros Presolve time: 0.09s Presolved: 657 rows, 1128 columns, 163948 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12857.000000 12562.4118 2.29% - 0s 0 0 12575.7097 0 45 12857.0000 12575.7097 2.19% - 0s 0 0 12575.7097 0 46 12857.0000 12575.7097 2.19% - 0s 0 0 12575.7097 0 45 12857.0000 12575.7097 2.19% - 0s 0 0 12583.6822 0 41 12857.0000 12583.6822 2.13% - 0s H 0 0 12853.000000 12583.6822 2.10% - 0s 0 0 12585.9487 0 46 12853.0000 12585.9487 2.08% - 0s 0 0 12589.8897 0 35 12853.0000 12589.8897 2.05% - 0s 0 0 12594.0520 0 55 12853.0000 12594.0520 2.01% - 0s 0 0 12596.4068 0 51 12853.0000 12596.4068 2.00% - 0s 0 0 12596.5058 0 59 12853.0000 12596.5058 2.00% - 0s 0 0 12596.5645 0 47 12853.0000 12596.5645 2.00% - 0s 0 0 12596.7025 0 55 12853.0000 12596.7025 1.99% - 0s 0 0 12596.9142 0 54 12853.0000 12596.9142 1.99% - 0s 0 0 12596.9792 0 60 12853.0000 12596.9792 1.99% - 0s 0 0 12596.9814 0 62 12853.0000 12596.9814 1.99% - 1s 0 2 12597.0000 0 62 12853.0000 12597.0000 1.99% - 1s * 179 94 26 12850.000000 12628.0073 1.73% 5.6 2s 963 283 cutoff 24 12850.0000 12698.7029 1.18% 6.8 5s Cutting planes: Gomory: 3 Zero half: 8 Explored 2235 nodes (15514 simplex iterations) in 6.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285000000000e+04, best bound 1.284900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 658 rows, 1128 columns and 164224 nonzeros Presolve time: 0.09s Presolved: 658 rows, 1128 columns, 164224 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.4118 2.79% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 46 12923.0000 12575.7097 2.69% - 0s 0 0 12575.7097 0 45 12923.0000 12575.7097 2.69% - 0s 0 0 12580.6667 0 44 12923.0000 12580.6667 2.65% - 0s 0 0 12586.0364 0 56 12923.0000 12586.0364 2.61% - 0s 0 0 12586.7600 0 47 12923.0000 12586.7600 2.60% - 0s 0 0 12586.8667 0 55 12923.0000 12586.8667 2.60% - 0s 0 0 12587.0920 0 54 12923.0000 12587.0920 2.60% - 0s 0 0 12587.4633 0 53 12923.0000 12587.4633 2.60% - 0s 0 0 12587.4907 0 55 12923.0000 12587.4907 2.60% - 0s 0 0 12587.5243 0 60 12923.0000 12587.5243 2.60% - 0s 0 0 12587.5384 0 64 12923.0000 12587.5384 2.60% - 0s 0 0 12587.5681 0 65 12923.0000 12587.5681 2.60% - 1s H 0 0 12902.000000 12587.5681 2.44% - 1s 0 2 12587.7492 0 65 12902.0000 12587.7492 2.44% - 1s H 27 20 12874.000000 12620.0000 1.97% 13.5 1s * 87 56 17 12856.000000 12620.7525 1.83% 8.1 2s * 195 102 30 12852.000000 12655.0000 1.53% 7.0 2s * 200 103 13 12851.000000 12659.4000 1.49% 7.2 2s * 316 143 21 12850.000000 12688.0002 1.26% 6.6 2s 743 207 12725.5000 21 10 12850.0000 12725.5000 0.97% 7.3 5s Cutting planes: Gomory: 3 Zero half: 5 Explored 1661 nodes (11222 simplex iterations) in 5.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285000000000e+04, best bound 1.285000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 16), (13, 16), (13, 47), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 659 rows, 1128 columns and 164500 nonzeros Presolve time: 0.09s Presolved: 659 rows, 1128 columns, 164500 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12877.000000 12562.4118 2.44% - 0s 0 0 12575.7097 0 45 12877.0000 12575.7097 2.34% - 0s 0 0 12575.7097 0 46 12877.0000 12575.7097 2.34% - 0s 0 0 12575.7097 0 45 12877.0000 12575.7097 2.34% - 0s 0 0 12579.7429 0 40 12877.0000 12579.7429 2.31% - 0s 0 0 12581.3253 0 45 12877.0000 12581.3253 2.30% - 0s 0 0 12583.6822 0 41 12877.0000 12583.6822 2.28% - 0s 0 0 12585.9487 0 46 12877.0000 12585.9487 2.26% - 0s 0 0 12588.8857 0 47 12877.0000 12588.8857 2.24% - 0s 0 0 12589.0349 0 58 12877.0000 12589.0349 2.24% - 0s 0 0 12589.4659 0 46 12877.0000 12589.4659 2.23% - 0s 0 0 12589.9091 0 58 12877.0000 12589.9091 2.23% - 0s 0 0 12590.2154 0 52 12877.0000 12590.2154 2.23% - 0s 0 0 12590.2360 0 60 12877.0000 12590.2360 2.23% - 1s 0 0 12590.3410 0 53 12877.0000 12590.3410 2.23% - 1s 0 0 12590.4258 0 63 12877.0000 12590.4258 2.23% - 1s 0 0 12590.6899 0 64 12877.0000 12590.6899 2.22% - 1s 0 0 12590.8782 0 64 12877.0000 12590.8782 2.22% - 1s 0 0 12590.9747 0 68 12877.0000 12590.9747 2.22% - 1s 0 2 12591.0454 0 68 12877.0000 12591.0454 2.22% - 1s * 44 28 40 12874.000000 12615.0000 2.01% 8.0 2s H 46 26 12862.000000 12624.5000 1.85% 8.3 2s * 62 37 21 12856.000000 12624.5000 1.80% 7.0 2s * 84 47 19 12853.000000 12624.5000 1.78% 7.1 2s * 269 89 25 12852.000000 12674.0000 1.38% 6.7 2s * 421 114 17 12851.000000 12704.3333 1.14% 6.6 2s * 534 124 4 12850.000000 12724.8571 0.97% 6.7 2s Cutting planes: Gomory: 5 Zero half: 19 Mod-K: 5 Explored 1064 nodes (7131 simplex iterations) in 3.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285000000000e+04, best bound 1.284900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 660 rows, 1128 columns and 164825 nonzeros Presolve time: 0.09s Presolved: 660 rows, 1128 columns, 164825 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12859.000000 12562.4118 2.31% - 0s 0 0 12575.7097 0 45 12859.0000 12575.7097 2.20% - 0s 0 0 12575.7097 0 46 12859.0000 12575.7097 2.20% - 0s 0 0 12576.7561 0 45 12859.0000 12576.7561 2.19% - 0s H 0 0 12851.000000 12576.7561 2.13% - 0s 0 0 12581.7527 0 43 12851.0000 12581.7527 2.10% - 0s 0 0 12586.3926 0 47 12851.0000 12586.3926 2.06% - 0s 0 0 12586.5669 0 55 12851.0000 12586.5669 2.06% - 0s 0 0 12587.1529 0 63 12851.0000 12587.1529 2.05% - 0s 0 0 12588.0513 0 61 12851.0000 12588.0513 2.05% - 0s 0 0 12588.4109 0 48 12851.0000 12588.4109 2.04% - 0s 0 0 12588.5622 0 57 12851.0000 12588.5622 2.04% - 0s 0 0 12588.5855 0 57 12851.0000 12588.5855 2.04% - 0s 0 0 12588.6277 0 58 12851.0000 12588.6277 2.04% - 0s 0 0 12588.6510 0 56 12851.0000 12588.6510 2.04% - 0s 0 0 12588.7043 0 66 12851.0000 12588.7043 2.04% - 0s 0 0 12589.9006 0 59 12851.0000 12589.9006 2.03% - 0s 0 0 12590.1365 0 64 12851.0000 12590.1365 2.03% - 1s 0 0 12590.1375 0 64 12851.0000 12590.1375 2.03% - 1s 0 0 12590.1375 0 64 12851.0000 12590.1375 2.03% - 1s 0 2 12590.1535 0 64 12851.0000 12590.1535 2.03% - 1s 757 157 cutoff 40 12851.0000 12723.0000 1.00% 6.7 5s Cutting planes: Gomory: 4 Zero half: 3 Mod-K: 1 Explored 1637 nodes (10901 simplex iterations) in 5.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285100000000e+04, best bound 1.285000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 661 rows, 1128 columns and 165150 nonzeros Presolve time: 0.09s Presolved: 661 rows, 1128 columns, 165150 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256241e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.4118 0 46 47372.0000 12562.4118 73.5% - 0s Another try with MIP start H 0 0 12859.000000 12562.4118 2.31% - 0s 0 0 12575.7097 0 45 12859.0000 12575.7097 2.20% - 0s 0 0 12575.7097 0 46 12859.0000 12575.7097 2.20% - 0s 0 0 12576.7561 0 45 12859.0000 12576.7561 2.19% - 0s 0 0 12581.7527 0 43 12859.0000 12581.7527 2.16% - 0s 0 0 12586.3926 0 47 12859.0000 12586.3926 2.12% - 0s 0 0 12586.5669 0 55 12859.0000 12586.5669 2.12% - 0s 0 0 12587.1529 0 63 12859.0000 12587.1529 2.11% - 0s 0 0 12588.0050 0 53 12859.0000 12588.0050 2.11% - 0s 0 0 12588.0819 0 56 12859.0000 12588.0819 2.11% - 0s 0 0 12588.1031 0 61 12859.0000 12588.1031 2.11% - 0s 0 0 12588.7629 0 65 12859.0000 12588.7629 2.10% - 0s 0 0 12589.2170 0 56 12859.0000 12589.2170 2.10% - 0s 0 0 12589.2860 0 63 12859.0000 12589.2860 2.10% - 0s 0 0 12589.5421 0 65 12859.0000 12589.5421 2.10% - 0s 0 0 12591.2955 0 42 12859.0000 12591.2955 2.08% - 0s 0 0 12591.4607 0 49 12859.0000 12591.4607 2.08% - 1s 0 0 12591.7896 0 66 12859.0000 12591.7896 2.08% - 1s 0 0 12592.0522 0 51 12859.0000 12592.0522 2.08% - 1s 0 0 12592.3322 0 69 12859.0000 12592.3322 2.07% - 1s 0 0 12592.3695 0 67 12859.0000 12592.3695 2.07% - 1s 0 0 12592.7408 0 61 12859.0000 12592.7408 2.07% - 1s 0 0 12592.7503 0 69 12859.0000 12592.7503 2.07% - 1s 0 2 12592.9197 0 69 12859.0000 12592.9197 2.07% - 1s H 114 59 12853.000000 12626.5775 1.76% 7.2 2s * 168 95 25 12852.000000 12644.0000 1.62% 6.7 2s * 455 184 6 12851.000000 12694.6667 1.22% 6.6 2s 674 222 12718.6667 50 8 12851.0000 12718.6667 1.03% 6.9 5s Cutting planes: Gomory: 3 Zero half: 9 Explored 1909 nodes (12397 simplex iterations) in 6.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285100000000e+04, best bound 1.285100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 40), (16, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 662 rows, 1128 columns and 165403 nonzeros Presolve time: 0.09s Presolved: 662 rows, 1128 columns, 165403 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12859.000000 12562.8462 2.30% - 0s 0 0 12584.5000 0 38 12859.0000 12584.5000 2.13% - 0s 0 0 12584.5000 0 46 12859.0000 12584.5000 2.13% - 0s 0 0 12584.5000 0 38 12859.0000 12584.5000 2.13% - 0s 0 0 12587.6653 0 40 12859.0000 12587.6653 2.11% - 0s 0 0 12598.4472 0 39 12859.0000 12598.4472 2.03% - 0s 0 0 12598.4812 0 41 12859.0000 12598.4812 2.03% - 0s 0 0 12598.5481 0 51 12859.0000 12598.5481 2.03% - 0s 0 0 12599.0163 0 45 12859.0000 12599.0163 2.02% - 0s 0 0 12599.3019 0 58 12859.0000 12599.3019 2.02% - 0s 0 2 12599.5396 0 58 12859.0000 12599.5396 2.02% - 1s * 58 21 58 12853.000000 12619.3704 1.82% 5.1 1s * 262 104 20 12851.000000 12655.2600 1.52% 4.9 1s 1703 172 12791.5000 27 10 12851.0000 12756.6000 0.73% 6.0 5s Cutting planes: Gomory: 5 Zero half: 2 Mod-K: 1 Explored 2157 nodes (13124 simplex iterations) in 5.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285100000000e+04, best bound 1.285100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 24), (13, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 663 rows, 1128 columns and 165656 nonzeros Presolve time: 0.09s Presolved: 663 rows, 1128 columns, 165656 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12868.000000 12562.8462 2.37% - 0s 0 0 12584.5000 0 38 12868.0000 12584.5000 2.20% - 0s 0 0 12584.5000 0 46 12868.0000 12584.5000 2.20% - 0s 0 0 12584.5000 0 38 12868.0000 12584.5000 2.20% - 0s 0 0 12588.6059 0 37 12868.0000 12588.6059 2.17% - 0s 0 0 12595.6740 0 40 12868.0000 12595.6740 2.12% - 0s 0 0 12595.8571 0 29 12868.0000 12595.8571 2.11% - 0s 0 0 12600.1423 0 49 12868.0000 12600.1423 2.08% - 0s 0 0 12601.1622 0 59 12868.0000 12601.1622 2.07% - 0s 0 0 12601.9301 0 68 12868.0000 12601.9301 2.07% - 0s 0 0 12602.3778 0 58 12868.0000 12602.3778 2.06% - 0s 0 0 12602.4519 0 66 12868.0000 12602.4519 2.06% - 0s 0 0 12602.5635 0 66 12868.0000 12602.5635 2.06% - 0s H 0 0 12866.000000 12602.5635 2.05% - 1s 0 2 12602.5762 0 66 12866.0000 12602.5762 2.05% - 1s H 27 22 12861.000000 12628.8339 1.81% 11.0 1s * 120 58 20 12855.000000 12644.9897 1.63% 8.1 2s H 144 65 12853.000000 12648.4000 1.59% 8.3 2s * 432 150 19 12852.000000 12691.8409 1.25% 7.0 2s * 892 197 28 12851.000000 12705.4000 1.13% 7.0 4s 1000 191 12804.6000 23 25 12851.0000 12705.4000 1.13% 6.8 5s Cutting planes: Gomory: 7 Zero half: 5 Explored 1921 nodes (12962 simplex iterations) in 6.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285100000000e+04, best bound 1.285000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 664 rows, 1128 columns and 165932 nonzeros Presolve time: 0.09s Presolved: 664 rows, 1128 columns, 165932 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12877.000000 12562.8462 2.44% - 0s 0 0 12584.5000 0 38 12877.0000 12584.5000 2.27% - 0s 0 0 12584.5000 0 46 12877.0000 12584.5000 2.27% - 0s 0 0 12584.5000 0 38 12877.0000 12584.5000 2.27% - 0s 0 0 12595.6740 0 40 12877.0000 12595.6740 2.18% - 0s 0 0 12598.4245 0 38 12877.0000 12598.4245 2.16% - 0s 0 0 12598.8645 0 45 12877.0000 12598.8645 2.16% - 0s 0 0 12599.1618 0 46 12877.0000 12599.1618 2.16% - 0s 0 0 12599.2585 0 54 12877.0000 12599.2585 2.16% - 0s 0 0 12599.4809 0 50 12877.0000 12599.4809 2.16% - 0s 0 0 12599.8285 0 59 12877.0000 12599.8285 2.15% - 0s 0 0 12600.0577 0 44 12877.0000 12600.0577 2.15% - 0s 0 0 12600.2195 0 48 12877.0000 12600.2195 2.15% - 0s 0 2 12600.3538 0 48 12877.0000 12600.3538 2.15% - 1s H 27 21 12861.000000 12613.9000 1.92% 7.1 1s * 122 50 16 12853.000000 12624.5000 1.78% 5.8 1s * 204 81 18 12851.000000 12637.9048 1.66% 6.0 2s 903 214 12706.9375 26 25 12851.0000 12706.9375 1.12% 6.8 5s Cutting planes: Gomory: 4 Cover: 1 Zero half: 3 Explored 1960 nodes (12692 simplex iterations) in 6.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285100000000e+04, best bound 1.285000000000e+04, gap 0.0078% adding cut for [(33, 46), (2, 9), (2, 24), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 33), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 665 rows, 1128 columns and 166142 nonzeros Presolve time: 0.09s Presolved: 665 rows, 1128 columns, 166142 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.6875 0 39 12923.0000 12584.6875 2.62% - 0s 0 0 12588.0166 0 43 12923.0000 12588.0166 2.59% - 0s 0 0 12592.9151 0 47 12923.0000 12592.9151 2.55% - 0s 0 0 12592.9853 0 54 12923.0000 12592.9853 2.55% - 0s 0 0 12593.4361 0 59 12923.0000 12593.4361 2.55% - 0s 0 0 12593.8715 0 59 12923.0000 12593.8715 2.55% - 0s 0 0 12593.9804 0 55 12923.0000 12593.9804 2.55% - 0s 0 0 12594.0570 0 63 12923.0000 12594.0570 2.55% - 0s 0 0 12594.7355 0 53 12923.0000 12594.7355 2.54% - 0s 0 0 12594.7923 0 61 12923.0000 12594.7923 2.54% - 0s 0 0 12594.9994 0 56 12923.0000 12594.9994 2.54% - 1s 0 0 12595.0616 0 64 12923.0000 12595.0616 2.54% - 1s 0 0 12595.3995 0 53 12923.0000 12595.3995 2.54% - 1s 0 0 12595.4724 0 59 12923.0000 12595.4724 2.53% - 1s 0 0 12595.5061 0 60 12923.0000 12595.5061 2.53% - 1s 0 0 12595.7166 0 63 12923.0000 12595.7166 2.53% - 1s 0 0 12595.7391 0 65 12923.0000 12595.7391 2.53% - 1s 0 0 12595.8592 0 57 12923.0000 12595.8592 2.53% - 1s 0 0 12595.8754 0 62 12923.0000 12595.8754 2.53% - 1s 0 0 12596.0442 0 59 12923.0000 12596.0442 2.53% - 1s 0 0 12596.0805 0 65 12923.0000 12596.0805 2.53% - 1s 0 0 12596.2236 0 67 12923.0000 12596.2236 2.53% - 1s H 0 0 12897.000000 12596.2236 2.33% - 1s H 0 0 12857.000000 12596.2236 2.03% - 2s 0 2 12596.3066 0 67 12857.0000 12596.3066 2.03% - 2s * 170 82 18 12852.000000 12641.0000 1.64% 5.1 2s 660 190 12754.6667 21 34 12852.0000 12723.0000 1.00% 6.5 5s * 913 199 28 12851.000000 12723.0000 1.00% 6.3 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1885 nodes (12187 simplex iterations) in 6.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285100000000e+04, best bound 1.285000000000e+04, gap 0.0078% adding cut for [(4, 40), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 666 rows, 1128 columns and 166295 nonzeros Presolve time: 0.09s Presolved: 666 rows, 1128 columns, 166295 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12892.000000 12562.8462 2.55% - 0s 0 0 12584.5000 0 38 12892.0000 12584.5000 2.39% - 0s 0 0 12584.5000 0 46 12892.0000 12584.5000 2.39% - 0s H 0 0 12881.000000 12584.5000 2.30% - 0s 0 0 12584.5000 0 38 12881.0000 12584.5000 2.30% - 0s 0 0 12595.6740 0 40 12881.0000 12595.6740 2.22% - 0s 0 0 12598.4245 0 38 12881.0000 12598.4245 2.19% - 0s 0 0 12598.8753 0 45 12881.0000 12598.8753 2.19% - 0s 0 0 12599.1618 0 46 12881.0000 12599.1618 2.19% - 0s 0 0 12599.2629 0 54 12881.0000 12599.2629 2.19% - 0s 0 0 12599.6319 0 46 12881.0000 12599.6319 2.18% - 0s 0 0 12599.8740 0 58 12881.0000 12599.8740 2.18% - 0s 0 0 12600.2351 0 52 12881.0000 12600.2351 2.18% - 0s 0 0 12600.2940 0 60 12881.0000 12600.2940 2.18% - 0s 0 0 12600.4091 0 55 12881.0000 12600.4091 2.18% - 1s 0 0 12600.4767 0 56 12881.0000 12600.4767 2.18% - 1s 0 2 12600.4932 0 56 12881.0000 12600.4932 2.18% - 1s H 54 23 12864.000000 12612.8571 1.95% 4.1 1s * 153 67 28 12860.000000 12635.6569 1.74% 5.8 2s * 542 193 17 12852.000000 12691.5000 1.25% 6.6 2s 793 244 12710.1429 29 28 12852.0000 12700.3333 1.18% 7.1 5s * 1758 121 31 12851.000000 12784.0000 0.52% 6.3 6s Cutting planes: Gomory: 4 Cover: 1 Zero half: 6 Explored 2009 nodes (12501 simplex iterations) in 6.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285100000000e+04, best bound 1.285100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (12, 16), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 667 rows, 1128 columns and 166548 nonzeros Presolve time: 0.09s Presolved: 667 rows, 1128 columns, 166548 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12562.8462 2.47% - 0s 0 0 12584.5000 0 38 12881.0000 12584.5000 2.30% - 0s 0 0 12584.5000 0 46 12881.0000 12584.5000 2.30% - 0s 0 0 12584.5000 0 38 12881.0000 12584.5000 2.30% - 0s 0 0 12588.6059 0 37 12881.0000 12588.6059 2.27% - 0s 0 0 12593.4545 0 40 12881.0000 12593.4545 2.23% - 0s 0 0 12597.6317 0 48 12881.0000 12597.6317 2.20% - 0s 0 0 12600.1865 0 56 12881.0000 12600.1865 2.18% - 0s 0 0 12600.2260 0 58 12881.0000 12600.2260 2.18% - 0s 0 0 12600.5295 0 61 12881.0000 12600.5295 2.18% - 0s 0 0 12601.5050 0 50 12881.0000 12601.5050 2.17% - 0s 0 0 12601.5247 0 53 12881.0000 12601.5247 2.17% - 0s 0 2 12601.5616 0 53 12881.0000 12601.5616 2.17% - 1s H 49 24 12880.000000 12614.0000 2.07% 6.0 1s * 70 25 67 12856.000000 12614.0000 1.88% 5.2 1s * 111 39 11 12854.000000 12634.6667 1.71% 6.3 1s H 279 108 12853.000000 12660.0000 1.50% 5.8 2s * 343 127 7 12852.000000 12670.3333 1.41% 6.0 2s 1116 197 12711.0000 23 18 12852.0000 12703.0000 1.16% 6.3 5s Cutting planes: Gomory: 5 Zero half: 4 Explored 2009 nodes (12602 simplex iterations) in 6.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285200000000e+04, best bound 1.285100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 668 rows, 1128 columns and 166801 nonzeros Presolve time: 0.09s Presolved: 668 rows, 1128 columns, 166801 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12562.8462 2.48% - 0s 0 0 12584.5000 0 38 12882.0000 12584.5000 2.31% - 0s 0 0 12584.5000 0 46 12882.0000 12584.5000 2.31% - 0s 0 0 12584.5000 0 38 12882.0000 12584.5000 2.31% - 0s 0 0 12588.6059 0 37 12882.0000 12588.6059 2.28% - 0s 0 0 12593.4545 0 40 12882.0000 12593.4545 2.24% - 0s 0 0 12597.6317 0 48 12882.0000 12597.6317 2.21% - 0s 0 0 12600.1865 0 56 12882.0000 12600.1865 2.19% - 0s 0 0 12600.2260 0 58 12882.0000 12600.2260 2.19% - 0s 0 0 12600.5907 0 61 12882.0000 12600.5907 2.18% - 0s 0 0 12601.5170 0 50 12882.0000 12601.5170 2.18% - 0s 0 2 12601.5206 0 50 12882.0000 12601.5206 2.18% - 1s * 73 24 72 12858.000000 12612.4098 1.91% 3.4 1s * 213 98 12 12856.000000 12648.0909 1.62% 5.6 2s * 223 96 12 12853.000000 12648.0909 1.59% 5.6 2s * 1070 189 22 12852.000000 12697.0000 1.21% 6.2 4s 1471 198 12809.1667 25 20 12852.0000 12739.7000 0.87% 6.1 5s Cutting planes: Gomory: 5 Zero half: 4 Explored 2317 nodes (13927 simplex iterations) in 5.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285200000000e+04, best bound 1.285100000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 669 rows, 1128 columns and 167032 nonzeros Presolve time: 0.09s Presolved: 669 rows, 1128 columns, 167032 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12562.8462 2.63% - 0s 0 0 12584.5000 0 38 12902.0000 12584.5000 2.46% - 0s 0 0 12584.5000 0 46 12902.0000 12584.5000 2.46% - 0s 0 0 12584.5000 0 38 12902.0000 12584.5000 2.46% - 0s 0 0 12589.3506 0 36 12902.0000 12589.3506 2.42% - 0s 0 0 12599.0397 0 36 12902.0000 12599.0397 2.35% - 0s 0 0 12600.6179 0 44 12902.0000 12600.6179 2.34% - 0s 0 0 12600.6797 0 51 12902.0000 12600.6797 2.34% - 0s 0 0 12600.9863 0 49 12902.0000 12600.9863 2.33% - 0s 0 0 12601.1222 0 56 12902.0000 12601.1222 2.33% - 0s 0 0 12601.4102 0 51 12902.0000 12601.4102 2.33% - 0s 0 0 12601.4760 0 56 12902.0000 12601.4760 2.33% - 0s 0 0 12601.5603 0 58 12902.0000 12601.5603 2.33% - 0s 0 0 12601.7986 0 62 12902.0000 12601.7986 2.33% - 1s 0 0 12602.1405 0 45 12902.0000 12602.1405 2.32% - 1s 0 0 12602.2207 0 45 12902.0000 12602.2207 2.32% - 1s 0 0 12602.2579 0 53 12902.0000 12602.2579 2.32% - 1s 0 2 12602.2812 0 53 12902.0000 12602.2812 2.32% - 1s H 27 20 12896.000000 12607.9000 2.23% 6.9 1s * 82 28 81 12857.000000 12607.9000 1.94% 4.0 2s * 216 111 23 12855.000000 12638.3333 1.69% 5.6 2s * 300 128 11 12854.000000 12660.0000 1.51% 5.9 2s * 436 189 12 12852.000000 12675.0000 1.38% 5.8 2s 847 251 12812.6667 31 21 12852.0000 12697.5000 1.20% 6.8 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 2204 nodes (13472 simplex iterations) in 6.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285200000000e+04, best bound 1.285200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 670 rows, 1128 columns and 167357 nonzeros Presolve time: 0.09s Presolved: 670 rows, 1128 columns, 167357 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.6875 0 39 12923.0000 12584.6875 2.62% - 0s 0 0 12588.0166 0 43 12923.0000 12588.0166 2.59% - 0s 0 0 12592.9151 0 47 12923.0000 12592.9151 2.55% - 0s 0 0 12592.9853 0 54 12923.0000 12592.9853 2.55% - 0s 0 0 12593.4361 0 59 12923.0000 12593.4361 2.55% - 0s 0 0 12593.8715 0 59 12923.0000 12593.8715 2.55% - 0s 0 0 12593.9804 0 55 12923.0000 12593.9804 2.55% - 0s 0 0 12594.0570 0 63 12923.0000 12594.0570 2.55% - 0s 0 0 12594.5131 0 54 12923.0000 12594.5131 2.54% - 0s 0 0 12594.6798 0 61 12923.0000 12594.6798 2.54% - 1s 0 0 12595.2253 0 56 12923.0000 12595.2253 2.54% - 1s H 0 0 12902.000000 12595.2253 2.38% - 1s 0 2 12595.2276 0 56 12902.0000 12595.2276 2.38% - 1s H 27 21 12886.000000 12607.3716 2.16% 11.0 1s * 54 31 51 12863.000000 12607.3716 1.99% 7.1 1s * 149 84 14 12862.000000 12642.1482 1.71% 7.2 2s * 152 83 14 12861.000000 12642.1482 1.70% 7.1 2s * 197 98 16 12856.000000 12647.0000 1.63% 7.1 2s * 198 97 16 12853.000000 12647.0000 1.60% 7.1 2s * 370 146 13 12852.000000 12691.2500 1.25% 6.6 2s 1387 223 12831.6667 20 21 12852.0000 12737.7500 0.89% 6.5 5s Cutting planes: Gomory: 4 Zero half: 3 Explored 2191 nodes (13509 simplex iterations) in 5.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285200000000e+04, best bound 1.285100000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 671 rows, 1128 columns and 167633 nonzeros Presolve time: 0.09s Presolved: 671 rows, 1128 columns, 167633 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.6875 0 39 12923.0000 12584.6875 2.62% - 0s 0 0 12588.0166 0 43 12923.0000 12588.0166 2.59% - 0s 0 0 12592.9151 0 47 12923.0000 12592.9151 2.55% - 0s 0 0 12592.9853 0 54 12923.0000 12592.9853 2.55% - 0s 0 0 12593.4361 0 59 12923.0000 12593.4361 2.55% - 0s 0 0 12593.8715 0 59 12923.0000 12593.8715 2.55% - 0s 0 0 12593.9804 0 55 12923.0000 12593.9804 2.55% - 0s 0 0 12594.0570 0 63 12923.0000 12594.0570 2.55% - 0s 0 0 12594.7355 0 53 12923.0000 12594.7355 2.54% - 0s 0 0 12594.7923 0 61 12923.0000 12594.7923 2.54% - 1s 0 0 12594.9994 0 56 12923.0000 12594.9994 2.54% - 1s 0 0 12595.0774 0 64 12923.0000 12595.0774 2.54% - 1s 0 0 12595.5296 0 55 12923.0000 12595.5296 2.53% - 1s 0 0 12595.6092 0 64 12923.0000 12595.6092 2.53% - 1s 0 0 12595.6779 0 60 12923.0000 12595.6779 2.53% - 1s 0 0 12595.8276 0 62 12923.0000 12595.8276 2.53% - 1s 0 0 12595.8290 0 66 12923.0000 12595.8290 2.53% - 1s H 0 0 12902.000000 12595.8290 2.37% - 1s 0 2 12595.8372 0 66 12902.0000 12595.8372 2.37% - 2s * 38 26 35 12863.000000 12606.3134 2.00% 10.7 2s * 40 24 34 12859.000000 12606.3134 1.97% 10.2 2s * 211 86 27 12856.000000 12657.8000 1.54% 6.9 2s * 349 116 20 12853.000000 12677.8889 1.36% 6.7 2s * 429 137 13 12852.000000 12692.0000 1.24% 6.7 3s 695 192 12716.0000 22 19 12852.0000 12716.0000 1.06% 7.1 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 1802 nodes (12087 simplex iterations) in 6.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285200000000e+04, best bound 1.285200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 672 rows, 1128 columns and 167864 nonzeros Presolve time: 0.09s Presolved: 672 rows, 1128 columns, 167864 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.6875 0 39 12923.0000 12584.6875 2.62% - 0s 0 0 12588.0166 0 43 12923.0000 12588.0166 2.59% - 0s 0 0 12592.9151 0 47 12923.0000 12592.9151 2.55% - 0s 0 0 12592.9853 0 54 12923.0000 12592.9853 2.55% - 0s 0 0 12593.4361 0 59 12923.0000 12593.4361 2.55% - 0s 0 0 12593.7695 0 53 12923.0000 12593.7695 2.55% - 0s 0 0 12594.0335 0 62 12923.0000 12594.0335 2.55% - 0s 0 0 12594.2314 0 62 12923.0000 12594.2314 2.54% - 0s 0 0 12594.7888 0 64 12923.0000 12594.7888 2.54% - 0s 0 0 12595.0269 0 55 12923.0000 12595.0269 2.54% - 1s 0 0 12595.1661 0 63 12923.0000 12595.1661 2.54% - 1s 0 0 12595.5928 0 62 12923.0000 12595.5928 2.53% - 1s 0 0 12595.6394 0 59 12923.0000 12595.6394 2.53% - 1s 0 0 12595.6400 0 65 12923.0000 12595.6400 2.53% - 1s 0 0 12595.7134 0 56 12923.0000 12595.7134 2.53% - 1s H 0 0 12867.000000 12595.7134 2.11% - 1s 0 2 12595.7390 0 56 12867.0000 12595.7390 2.11% - 1s * 72 28 68 12859.000000 12624.5000 1.82% 6.6 2s * 161 88 28 12854.000000 12645.4000 1.62% 6.0 2s * 533 181 10 12853.000000 12691.0000 1.26% 6.9 3s 712 210 12706.3333 10 55 12853.0000 12706.3333 1.14% 7.0 5s * 1725 134 30 12852.000000 12776.0000 0.59% 7.1 6s Cutting planes: Gomory: 5 Zero half: 6 Explored 2022 nodes (14250 simplex iterations) in 6.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285200000000e+04, best bound 1.285100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 673 rows, 1128 columns and 168095 nonzeros Presolve time: 0.09s Presolved: 673 rows, 1128 columns, 168095 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12853.000000 12562.8462 2.26% - 0s 0 0 12584.5000 0 38 12853.0000 12584.5000 2.09% - 0s 0 0 12584.5000 0 46 12853.0000 12584.5000 2.09% - 0s 0 0 12584.5000 0 38 12853.0000 12584.5000 2.09% - 0s 0 0 12595.6740 0 40 12853.0000 12595.6740 2.00% - 0s 0 0 12598.4245 0 38 12853.0000 12598.4245 1.98% - 0s 0 0 12598.8908 0 45 12853.0000 12598.8908 1.98% - 0s 0 0 12599.1837 0 46 12853.0000 12599.1837 1.97% - 0s 0 0 12599.2844 0 54 12853.0000 12599.2844 1.97% - 0s 0 0 12599.5738 0 52 12853.0000 12599.5738 1.97% - 0s 0 0 12599.8246 0 58 12853.0000 12599.8246 1.97% - 0s 0 0 12600.0331 0 60 12853.0000 12600.0331 1.97% - 0s 0 0 12600.2156 0 47 12853.0000 12600.2156 1.97% - 0s 0 0 12600.2348 0 61 12853.0000 12600.2348 1.97% - 0s 0 2 12600.3465 0 61 12853.0000 12600.3465 1.97% - 1s 1441 225 12773.5000 27 22 12853.0000 12714.0000 1.08% 6.2 5s Cutting planes: Gomory: 4 Cover: 1 Zero half: 4 Mod-K: 1 Explored 2248 nodes (14465 simplex iterations) in 6.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285300000000e+04, best bound 1.285300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 674 rows, 1128 columns and 168371 nonzeros Presolve time: 0.09s Presolved: 674 rows, 1128 columns, 168371 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12862.000000 12562.8462 2.33% - 0s 0 0 12584.5000 0 38 12862.0000 12584.5000 2.16% - 0s 0 0 12584.5000 0 46 12862.0000 12584.5000 2.16% - 0s 0 0 12584.5000 0 38 12862.0000 12584.5000 2.16% - 0s 0 0 12588.6059 0 37 12862.0000 12588.6059 2.13% - 0s H 0 0 12854.000000 12588.6059 2.06% - 0s 0 0 12593.4545 0 40 12854.0000 12593.4545 2.03% - 0s 0 0 12597.8819 0 51 12854.0000 12597.8819 1.99% - 0s 0 0 12600.9929 0 58 12854.0000 12600.9929 1.97% - 0s 0 0 12601.7908 0 57 12854.0000 12601.7908 1.96% - 0s 0 0 12601.9056 0 64 12854.0000 12601.9056 1.96% - 0s 0 0 12602.0393 0 53 12854.0000 12602.0393 1.96% - 0s 0 0 12602.1054 0 61 12854.0000 12602.1054 1.96% - 0s 0 2 12602.2283 0 61 12854.0000 12602.2283 1.96% - 1s * 168 73 15 12853.000000 12641.2857 1.65% 5.2 2s 827 249 12730.0000 27 18 12853.0000 12710.0000 1.11% 6.3 5s Cutting planes: Gomory: 5 Zero half: 5 Explored 2045 nodes (11871 simplex iterations) in 6.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285300000000e+04, best bound 1.285300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 675 rows, 1128 columns and 168624 nonzeros Presolve time: 0.09s Presolved: 675 rows, 1128 columns, 168624 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7675 0 45 12923.0000 12597.7675 2.52% - 0s 0 0 12597.9457 0 46 12923.0000 12597.9457 2.52% - 0s 0 0 12597.9789 0 53 12923.0000 12597.9789 2.52% - 0s 0 2 12598.0830 0 53 12923.0000 12598.0830 2.51% - 1s H 54 34 12916.000000 12608.7470 2.38% 5.1 1s * 78 33 77 12857.000000 12608.7470 1.93% 4.5 1s * 92 38 17 12856.000000 12612.8571 1.89% 4.8 1s * 241 110 12 12853.000000 12648.4063 1.59% 5.8 2s 996 209 12711.0000 19 18 12853.0000 12711.0000 1.10% 6.8 5s Cutting planes: Gomory: 4 Mod-K: 1 Explored 1896 nodes (12160 simplex iterations) in 5.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285300000000e+04, best bound 1.285300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 676 rows, 1128 columns and 168900 nonzeros Presolve time: 0.09s Presolved: 676 rows, 1128 columns, 168900 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7675 0 45 12923.0000 12597.7675 2.52% - 0s 0 0 12597.9457 0 46 12923.0000 12597.9457 2.52% - 0s 0 0 12597.9789 0 53 12923.0000 12597.9789 2.52% - 0s H 0 0 12885.000000 12597.9789 2.23% - 1s 0 2 12598.0830 0 53 12885.0000 12598.0830 2.23% - 1s * 80 38 18 12880.000000 12612.8571 2.07% 5.2 1s * 86 40 23 12862.000000 12612.8571 1.94% 5.0 1s * 361 138 13 12858.000000 12653.0000 1.59% 5.7 2s H 410 147 12857.000000 12666.5014 1.48% 5.8 2s * 450 163 20 12856.000000 12669.1000 1.45% 5.9 2s * 769 220 44 12854.000000 12684.5070 1.32% 6.9 4s * 986 203 20 12853.000000 12691.2500 1.26% 6.6 4s 1016 192 12789.2500 25 27 12853.0000 12699.0000 1.20% 6.6 5s Cutting planes: Gomory: 4 Mod-K: 1 Explored 1872 nodes (12049 simplex iterations) in 5.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285300000000e+04, best bound 1.285300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 46), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 677 rows, 1128 columns and 169131 nonzeros Presolve time: 0.09s Presolved: 677 rows, 1128 columns, 169131 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12893.000000 12562.8462 2.56% - 0s 0 0 12584.5000 0 38 12893.0000 12584.5000 2.39% - 0s 0 0 12584.5000 0 46 12893.0000 12584.5000 2.39% - 0s 0 0 12584.5000 0 38 12893.0000 12584.5000 2.39% - 0s 0 0 12588.6059 0 37 12893.0000 12588.6059 2.36% - 0s 0 0 12593.4545 0 40 12893.0000 12593.4545 2.32% - 0s 0 0 12597.6499 0 48 12893.0000 12597.6499 2.29% - 0s 0 0 12599.3624 0 56 12893.0000 12599.3624 2.28% - 0s 0 0 12600.3670 0 49 12893.0000 12600.3670 2.27% - 0s 0 0 12601.1248 0 62 12893.0000 12601.1248 2.26% - 0s 0 2 12601.3181 0 62 12893.0000 12601.3181 2.26% - 1s H 31 19 12859.000000 12618.3095 1.87% 6.1 1s * 90 26 89 12853.000000 12618.3095 1.83% 3.4 1s 945 231 12791.6667 18 20 12853.0000 12690.1429 1.27% 6.3 5s Cutting planes: Gomory: 6 Zero half: 3 Explored 2171 nodes (12802 simplex iterations) in 6.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285300000000e+04, best bound 1.285300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (33, 47), (34, 41)] Optimize a model with 678 rows, 1128 columns and 169407 nonzeros Presolve time: 0.09s Presolved: 678 rows, 1128 columns, 169407 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12855.000000 12562.8462 2.27% - 0s 0 0 12584.5000 0 38 12855.0000 12584.5000 2.10% - 0s 0 0 12584.5000 0 46 12855.0000 12584.5000 2.10% - 0s 0 0 12584.5000 0 38 12855.0000 12584.5000 2.10% - 0s 0 0 12588.7650 0 44 12855.0000 12588.7650 2.07% - 0s 0 0 12598.4245 0 38 12855.0000 12598.4245 2.00% - 0s 0 0 12598.8908 0 45 12855.0000 12598.8908 1.99% - 0s 0 0 12599.2461 0 43 12855.0000 12599.2461 1.99% - 0s 0 0 12599.4035 0 51 12855.0000 12599.4035 1.99% - 0s 0 0 12599.7424 0 44 12855.0000 12599.7424 1.99% - 0s 0 0 12599.7708 0 52 12855.0000 12599.7708 1.99% - 0s 0 0 12599.8087 0 48 12855.0000 12599.8087 1.99% - 0s 0 0 12599.8918 0 56 12855.0000 12599.8918 1.98% - 0s 0 0 12600.1500 0 50 12855.0000 12600.1500 1.98% - 0s 0 0 12600.2619 0 57 12855.0000 12600.2619 1.98% - 0s 0 0 12600.4166 0 55 12855.0000 12600.4166 1.98% - 1s 0 2 12600.4377 0 55 12855.0000 12600.4377 1.98% - 1s * 515 214 11 12853.000000 12672.8849 1.40% 5.9 2s 1479 206 cutoff 25 12853.0000 12734.0000 0.93% 6.3 5s Cutting planes: Gomory: 5 Cover: 1 Zero half: 3 Explored 2148 nodes (14021 simplex iterations) in 5.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285300000000e+04, best bound 1.285300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 24), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 679 rows, 1128 columns and 169638 nonzeros Presolve time: 0.10s Presolved: 679 rows, 1128 columns, 169638 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12877.000000 12562.8462 2.44% - 0s 0 0 12584.5000 0 38 12877.0000 12584.5000 2.27% - 0s 0 0 12584.5000 0 46 12877.0000 12584.5000 2.27% - 0s 0 0 12584.5000 0 38 12877.0000 12584.5000 2.27% - 0s 0 0 12595.6740 0 40 12877.0000 12595.6740 2.18% - 0s 0 0 12598.4245 0 38 12877.0000 12598.4245 2.16% - 0s 0 0 12598.8787 0 45 12877.0000 12598.8787 2.16% - 0s 0 0 12599.1618 0 46 12877.0000 12599.1618 2.16% - 0s 0 0 12599.2668 0 54 12877.0000 12599.2668 2.16% - 0s 0 0 12599.4664 0 40 12877.0000 12599.4664 2.16% - 0s 0 0 12599.8247 0 50 12877.0000 12599.8247 2.15% - 0s 0 0 12600.0674 0 55 12877.0000 12600.0674 2.15% - 0s 0 0 12600.1014 0 55 12877.0000 12600.1014 2.15% - 0s 0 0 12600.1333 0 63 12877.0000 12600.1333 2.15% - 0s 0 0 12600.4516 0 59 12877.0000 12600.4516 2.15% - 1s 0 0 12600.7337 0 42 12877.0000 12600.7337 2.15% - 1s 0 2 12600.7845 0 42 12877.0000 12600.7845 2.15% - 1s * 67 26 66 12859.000000 12604.0132 1.98% 5.7 2s * 86 38 20 12857.000000 12615.0000 1.88% 5.6 2s * 106 50 22 12855.000000 12629.7391 1.75% 5.9 2s * 298 132 18 12853.000000 12660.6056 1.50% 5.7 2s 843 245 12802.6667 29 16 12853.0000 12687.0000 1.29% 7.4 5s Cutting planes: Gomory: 4 Zero half: 3 Explored 2370 nodes (15329 simplex iterations) in 6.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285300000000e+04, best bound 1.285200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 10), (7, 37), (7, 28), (9, 38), (10, 40), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 680 rows, 1128 columns and 169848 nonzeros Presolve time: 0.10s Presolved: 680 rows, 1128 columns, 169848 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12855.000000 12562.8462 2.27% - 0s 0 0 12584.5000 0 38 12855.0000 12584.5000 2.10% - 0s 0 0 12584.5000 0 46 12855.0000 12584.5000 2.10% - 0s 0 0 12584.5000 0 38 12855.0000 12584.5000 2.10% - 0s 0 0 12588.7650 0 44 12855.0000 12588.7650 2.07% - 0s 0 0 12598.4245 0 38 12855.0000 12598.4245 2.00% - 0s 0 0 12598.8908 0 45 12855.0000 12598.8908 1.99% - 0s 0 0 12599.2461 0 43 12855.0000 12599.2461 1.99% - 0s 0 0 12599.4035 0 51 12855.0000 12599.4035 1.99% - 0s 0 0 12599.7424 0 44 12855.0000 12599.7424 1.99% - 0s 0 0 12599.7708 0 52 12855.0000 12599.7708 1.99% - 0s 0 0 12599.8087 0 48 12855.0000 12599.8087 1.99% - 0s 0 0 12599.9011 0 54 12855.0000 12599.9011 1.98% - 0s 0 0 12599.9024 0 56 12855.0000 12599.9024 1.98% - 0s 0 0 12600.0320 0 56 12855.0000 12600.0320 1.98% - 1s 0 0 12600.1869 0 61 12855.0000 12600.1869 1.98% - 1s 0 0 12600.4305 0 58 12855.0000 12600.4305 1.98% - 1s 0 0 12600.6868 0 56 12855.0000 12600.6868 1.98% - 1s 0 0 12600.9548 0 56 12855.0000 12600.9548 1.98% - 1s 0 0 12601.1856 0 55 12855.0000 12601.1856 1.97% - 1s 0 2 12601.2416 0 55 12855.0000 12601.2416 1.97% - 1s * 420 152 14 12854.000000 12677.4000 1.37% 6.3 2s * 423 152 14 12853.000000 12677.4000 1.37% 6.3 2s Cutting planes: Gomory: 7 Zero half: 6 Explored 1526 nodes (9579 simplex iterations) in 4.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285300000000e+04, best bound 1.285300000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 681 rows, 1128 columns and 170019 nonzeros Presolve time: 0.10s Presolved: 681 rows, 1128 columns, 170019 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7675 0 45 12923.0000 12597.7675 2.52% - 0s 0 0 12597.9457 0 46 12923.0000 12597.9457 2.52% - 0s 0 0 12597.9789 0 53 12923.0000 12597.9789 2.52% - 0s 0 2 12598.0830 0 53 12923.0000 12598.0830 2.51% - 1s H 27 19 12889.000000 12607.6080 2.18% 7.4 1s * 88 32 87 12857.000000 12607.6080 1.94% 4.0 1s * 103 36 17 12856.000000 12612.8571 1.89% 4.2 2s * 731 180 29 12854.000000 12692.0683 1.26% 7.4 4s 832 182 12817.6667 27 31 12854.0000 12692.0683 1.26% 7.1 5s Cutting planes: Gomory: 4 Mod-K: 1 Explored 1929 nodes (12261 simplex iterations) in 6.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285400000000e+04, best bound 1.285300000000e+04, gap 0.0078% adding cut for [(4, 40), (38, 40), (7, 37), (7, 28), (12, 13), (13, 46), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 682 rows, 1128 columns and 170190 nonzeros Presolve time: 0.10s Presolved: 682 rows, 1128 columns, 170190 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12919.000000 12562.8462 2.76% - 0s 0 0 12584.5000 0 38 12919.0000 12584.5000 2.59% - 0s 0 0 12584.5000 0 46 12919.0000 12584.5000 2.59% - 0s 0 0 12584.5000 0 38 12919.0000 12584.5000 2.59% - 0s 0 0 12588.7583 0 44 12919.0000 12588.7583 2.56% - 0s 0 0 12593.6931 0 43 12919.0000 12593.6931 2.52% - 0s 0 0 12598.8132 0 37 12919.0000 12598.8132 2.48% - 0s 0 0 12599.0381 0 51 12919.0000 12599.0381 2.48% - 0s 0 0 12599.6673 0 48 12919.0000 12599.6673 2.47% - 0s 0 0 12599.7540 0 61 12919.0000 12599.7540 2.47% - 0s 0 0 12600.0000 0 48 12919.0000 12600.0000 2.47% - 0s 0 0 12600.0000 0 48 12919.0000 12600.0000 2.47% - 0s 0 0 12600.0000 0 46 12919.0000 12600.0000 2.47% - 1s 0 0 12600.0000 0 46 12919.0000 12600.0000 2.47% - 1s H 0 0 12885.000000 12600.0000 2.21% - 1s H 0 0 12880.000000 12600.0000 2.17% - 1s 0 2 12600.0000 0 46 12880.0000 12600.0000 2.17% - 1s * 64 25 61 12859.000000 12613.7119 1.91% 3.7 2s * 234 112 15 12858.000000 12644.5714 1.66% 6.1 2s * 277 123 24 12857.000000 12657.0000 1.56% 6.3 2s * 309 126 13 12855.000000 12659.0000 1.52% 6.5 2s 1032 186 12732.5000 23 14 12855.0000 12701.1429 1.20% 6.9 5s * 1967 76 25 12854.000000 12808.5000 0.35% 6.4 5s Cutting planes: Gomory: 5 Cover: 1 Zero half: 2 Explored 2066 nodes (13296 simplex iterations) in 6.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285400000000e+04, best bound 1.285400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 683 rows, 1128 columns and 170466 nonzeros Presolve time: 0.10s Presolved: 683 rows, 1128 columns, 170466 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12862.000000 12562.8462 2.33% - 0s 0 0 12584.5000 0 38 12862.0000 12584.5000 2.16% - 0s 0 0 12584.5000 0 46 12862.0000 12584.5000 2.16% - 0s 0 0 12584.5000 0 38 12862.0000 12584.5000 2.16% - 0s 0 0 12588.6059 0 37 12862.0000 12588.6059 2.13% - 0s 0 0 12593.4545 0 40 12862.0000 12593.4545 2.09% - 0s 0 0 12597.6317 0 48 12862.0000 12597.6317 2.06% - 0s 0 0 12600.1865 0 56 12862.0000 12600.1865 2.04% - 0s 0 0 12600.2260 0 58 12862.0000 12600.2260 2.04% - 0s 0 0 12600.5907 0 61 12862.0000 12600.5907 2.03% - 0s 0 0 12601.5170 0 50 12862.0000 12601.5170 2.03% - 0s 0 0 12601.5267 0 53 12862.0000 12601.5267 2.03% - 0s 0 2 12601.5284 0 53 12862.0000 12601.5284 2.03% - 1s * 60 22 58 12856.000000 12605.4615 1.95% 5.2 1s * 216 95 16 12855.000000 12637.4000 1.69% 6.2 2s 1164 242 12782.4000 21 34 12855.0000 12709.5000 1.13% 6.7 5s * 1964 120 31 12854.000000 12797.6667 0.44% 6.5 5s Cutting planes: Gomory: 5 Zero half: 4 Explored 2159 nodes (13801 simplex iterations) in 6.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285400000000e+04, best bound 1.285300000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 684 rows, 1128 columns and 170697 nonzeros Presolve time: 0.10s Presolved: 684 rows, 1128 columns, 170697 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7675 0 45 12923.0000 12597.7675 2.52% - 0s 0 0 12597.9457 0 46 12923.0000 12597.9457 2.52% - 0s 0 0 12597.9789 0 53 12923.0000 12597.9789 2.52% - 0s 0 2 12598.0830 0 53 12923.0000 12598.0830 2.51% - 1s H 27 19 12889.000000 12607.6080 2.18% 7.4 1s * 88 32 87 12857.000000 12607.6080 1.94% 4.0 1s * 103 36 17 12856.000000 12612.8571 1.89% 4.2 1s * 887 170 21 12855.000000 12692.0683 1.27% 7.0 4s 900 171 12841.0833 19 22 12855.0000 12692.0683 1.27% 7.0 5s Cutting planes: Gomory: 4 Mod-K: 1 Explored 1942 nodes (12380 simplex iterations) in 6.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285500000000e+04, best bound 1.285400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 47), (34, 41), (36, 46)] Optimize a model with 685 rows, 1128 columns and 171022 nonzeros Presolve time: 0.10s Presolved: 685 rows, 1128 columns, 171022 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7675 0 45 12923.0000 12597.7675 2.52% - 0s 0 0 12597.9457 0 46 12923.0000 12597.9457 2.52% - 0s 0 0 12597.9789 0 53 12923.0000 12597.9789 2.52% - 0s 0 2 12598.0830 0 53 12923.0000 12598.0830 2.51% - 1s H 27 19 12889.000000 12609.9231 2.17% 6.7 1s * 115 45 26 12862.000000 12612.8571 1.94% 3.8 1s * 283 124 9 12861.000000 12643.8590 1.69% 5.0 2s * 331 128 11 12858.000000 12654.7533 1.58% 5.3 2s * 437 155 21 12856.000000 12668.9789 1.45% 5.6 2s 998 234 12718.8333 17 26 12856.0000 12699.0000 1.22% 6.5 5s * 1247 199 25 12855.000000 12720.5000 1.05% 6.3 5s Cutting planes: Gomory: 4 Mod-K: 1 Explored 2046 nodes (13126 simplex iterations) in 6.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285500000000e+04, best bound 1.285500000000e+04, gap 0.0% adding cut for [(33, 36), (34, 41), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 686 rows, 1128 columns and 171232 nonzeros Presolve time: 0.10s Presolved: 686 rows, 1128 columns, 171232 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12906.000000 12562.8462 2.66% - 0s 0 0 12584.5000 0 38 12906.0000 12584.5000 2.49% - 0s 0 0 12584.5000 0 46 12906.0000 12584.5000 2.49% - 0s 0 0 12584.5000 0 38 12906.0000 12584.5000 2.49% - 0s 0 0 12588.6059 0 37 12906.0000 12588.6059 2.46% - 0s 0 0 12595.4528 0 46 12906.0000 12595.4528 2.41% - 0s 0 0 12598.0445 0 53 12906.0000 12598.0445 2.39% - 0s 0 0 12598.2033 0 54 12906.0000 12598.2033 2.38% - 0s 0 0 12599.4208 0 44 12906.0000 12599.4208 2.38% - 0s 0 0 12599.9481 0 53 12906.0000 12599.9481 2.37% - 0s 0 0 12600.0563 0 62 12906.0000 12600.0563 2.37% - 0s 0 0 12600.4506 0 55 12906.0000 12600.4506 2.37% - 1s 0 0 12600.5734 0 57 12906.0000 12600.5734 2.37% - 1s 0 0 12600.6477 0 58 12906.0000 12600.6477 2.37% - 1s 0 0 12600.6617 0 64 12906.0000 12600.6617 2.37% - 1s H 0 0 12881.000000 12600.6617 2.18% - 1s 0 2 12600.6859 0 64 12881.0000 12600.6859 2.18% - 1s * 59 27 56 12855.000000 12610.9695 1.90% 5.5 2s 675 194 12702.3571 24 29 12855.0000 12702.3571 1.19% 7.8 5s Cutting planes: Gomory: 6 Zero half: 6 Mod-K: 1 Explored 2119 nodes (14045 simplex iterations) in 6.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285500000000e+04, best bound 1.285400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 687 rows, 1128 columns and 171485 nonzeros Presolve time: 0.10s Presolved: 687 rows, 1128 columns, 171485 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s H 0 0 12913.000000 12584.5000 2.54% - 0s 0 0 12592.8333 0 34 12913.0000 12592.8333 2.48% - 0s 0 0 12593.6931 0 43 12913.0000 12593.6931 2.47% - 0s 0 0 12597.7097 0 44 12913.0000 12597.7097 2.44% - 0s 0 0 12598.4472 0 39 12913.0000 12598.4472 2.44% - 0s 0 0 12598.4733 0 43 12913.0000 12598.4733 2.44% - 0s 0 0 12598.5306 0 51 12913.0000 12598.5306 2.44% - 0s 0 0 12599.1097 0 45 12913.0000 12599.1097 2.43% - 0s 0 0 12599.1713 0 45 12913.0000 12599.1713 2.43% - 0s 0 0 12599.2519 0 53 12913.0000 12599.2519 2.43% - 1s 0 0 12599.2538 0 58 12913.0000 12599.2538 2.43% - 1s H 0 0 12882.000000 12599.2538 2.19% - 1s 0 2 12599.2967 0 58 12882.0000 12599.2967 2.19% - 1s * 59 24 57 12865.000000 12613.0521 1.96% 5.0 2s * 60 22 57 12856.000000 12613.0521 1.89% 4.9 2s * 290 103 11 12855.000000 12659.8000 1.52% 7.0 2s 714 190 12718.0000 14 46 12855.0000 12718.0000 1.07% 7.0 5s Cutting planes: Gomory: 4 Zero half: 2 Mod-K: 2 Explored 2194 nodes (14370 simplex iterations) in 7.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285500000000e+04, best bound 1.285500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 13), (13, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 688 rows, 1128 columns and 171716 nonzeros Presolve time: 0.10s Presolved: 688 rows, 1128 columns, 171716 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7675 0 45 12923.0000 12597.7675 2.52% - 0s 0 0 12597.9457 0 46 12923.0000 12597.9457 2.52% - 0s 0 0 12597.9789 0 53 12923.0000 12597.9789 2.52% - 0s 0 2 12598.0830 0 53 12923.0000 12598.0830 2.51% - 1s H 27 23 12875.000000 12609.9231 2.06% 7.3 1s * 76 40 25 12871.000000 12612.8571 2.01% 5.6 1s * 78 39 27 12856.000000 12612.8571 1.89% 5.5 1s 1400 187 12801.8889 19 25 12856.0000 12738.2500 0.92% 6.2 5s * 1652 157 24 12855.000000 12766.5000 0.69% 6.2 5s Cutting planes: Gomory: 4 Mod-K: 1 Explored 2020 nodes (12540 simplex iterations) in 5.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285500000000e+04, best bound 1.285500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 21), (16, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 689 rows, 1128 columns and 172016 nonzeros Presolve time: 0.10s Presolved: 689 rows, 1128 columns, 172016 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12908.000000 12562.8462 2.67% - 0s 0 0 12584.5000 0 38 12908.0000 12584.5000 2.51% - 0s 0 0 12584.5000 0 46 12908.0000 12584.5000 2.51% - 0s 0 0 12584.5000 0 38 12908.0000 12584.5000 2.51% - 0s H 0 0 12882.000000 12584.5000 2.31% - 0s 0 0 12592.8333 0 34 12882.0000 12592.8333 2.24% - 0s 0 0 12598.4472 0 39 12882.0000 12598.4472 2.20% - 0s 0 0 12598.4684 0 43 12882.0000 12598.4684 2.20% - 0s 0 0 12598.5205 0 51 12882.0000 12598.5205 2.20% - 0s 0 0 12599.0355 0 45 12882.0000 12599.0355 2.20% - 0s 0 0 12599.0788 0 46 12882.0000 12599.0788 2.20% - 0s 0 0 12599.2244 0 50 12882.0000 12599.2244 2.20% - 1s H 0 0 12857.000000 12599.2244 2.00% - 1s 0 2 12599.3075 0 50 12857.0000 12599.3075 2.00% - 1s * 1319 232 23 12855.000000 12718.0000 1.07% 6.5 4s 1464 233 cutoff 29 12855.0000 12739.0000 0.90% 6.5 5s Cutting planes: Gomory: 5 Zero half: 2 Explored 2130 nodes (13408 simplex iterations) in 5.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285500000000e+04, best bound 1.285400000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46), (38, 40)] Optimize a model with 690 rows, 1128 columns and 172292 nonzeros Presolve time: 0.10s Presolved: 690 rows, 1128 columns, 172292 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12562.8462 2.53% - 0s 0 0 12584.5000 0 38 12889.0000 12584.5000 2.36% - 0s 0 0 12584.5000 0 46 12889.0000 12584.5000 2.36% - 0s H 0 0 12881.000000 12584.5000 2.30% - 0s 0 0 12584.5000 0 38 12881.0000 12584.5000 2.30% - 0s 0 0 12592.8333 0 34 12881.0000 12592.8333 2.24% - 0s 0 0 12595.9842 0 44 12881.0000 12595.9842 2.21% - 0s 0 0 12598.8316 0 45 12881.0000 12598.8316 2.19% - 0s 0 0 12599.1618 0 46 12881.0000 12599.1618 2.19% - 0s 0 0 12599.2669 0 54 12881.0000 12599.2669 2.19% - 0s 0 0 12599.8790 0 50 12881.0000 12599.8790 2.18% - 0s 0 0 12600.0484 0 60 12881.0000 12600.0484 2.18% - 0s 0 0 12600.3534 0 46 12881.0000 12600.3534 2.18% - 0s 0 0 12600.4293 0 56 12881.0000 12600.4293 2.18% - 1s 0 2 12600.5124 0 56 12881.0000 12600.5124 2.18% - 1s * 122 55 52 12879.000000 12618.5521 2.02% 4.7 2s H 181 87 12857.000000 12629.9172 1.77% 4.5 2s * 485 203 21 12856.000000 12691.0000 1.28% 5.7 2s 1105 267 cutoff 24 12856.0000 12701.6667 1.20% 6.4 5s Cutting planes: Gomory: 4 Cover: 1 Zero half: 2 Mod-K: 1 Explored 2060 nodes (13083 simplex iterations) in 6.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285600000000e+04, best bound 1.285500000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 10), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (10, 38), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 691 rows, 1128 columns and 172482 nonzeros Presolve time: 0.10s Presolved: 691 rows, 1128 columns, 172482 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12857.000000 12562.8462 2.29% - 0s 0 0 12584.5000 0 38 12857.0000 12584.5000 2.12% - 0s 0 0 12584.5000 0 46 12857.0000 12584.5000 2.12% - 0s 0 0 12584.5000 0 38 12857.0000 12584.5000 2.12% - 0s 0 0 12593.5772 0 38 12857.0000 12593.5772 2.05% - 0s 0 0 12598.4472 0 39 12857.0000 12598.4472 2.01% - 0s 0 0 12600.6754 0 46 12857.0000 12600.6754 1.99% - 0s 0 0 12600.7765 0 54 12857.0000 12600.7765 1.99% - 0s 0 0 12601.2367 0 59 12857.0000 12601.2367 1.99% - 0s 0 0 12601.7159 0 47 12857.0000 12601.7159 1.99% - 0s 0 0 12601.8123 0 47 12857.0000 12601.8123 1.98% - 0s 0 0 12601.8705 0 58 12857.0000 12601.8705 1.98% - 0s 0 0 12601.9632 0 57 12857.0000 12601.9632 1.98% - 0s 0 0 12602.0438 0 64 12857.0000 12602.0438 1.98% - 0s 0 0 12602.0729 0 64 12857.0000 12602.0729 1.98% - 0s 0 0 12602.1185 0 60 12857.0000 12602.1185 1.98% - 1s 0 0 12602.1934 0 60 12857.0000 12602.1934 1.98% - 1s 0 0 12602.3150 0 55 12857.0000 12602.3150 1.98% - 1s 0 0 12602.3690 0 62 12857.0000 12602.3690 1.98% - 1s 0 2 12602.3762 0 62 12857.0000 12602.3762 1.98% - 1s * 723 278 61 12856.000000 12684.0000 1.34% 6.5 4s 828 294 12843.0000 21 12 12856.0000 12684.0000 1.34% 6.5 5s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 1 Explored 2237 nodes (13666 simplex iterations) in 6.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285600000000e+04, best bound 1.285500000000e+04, gap 0.0078% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (12, 24), (13, 33), (18, 43), (18, 27), (19, 36), (20, 37), (20, 27), (21, 47), (21, 30), (30, 43)] Optimize a model with 692 rows, 1128 columns and 172618 nonzeros Presolve time: 0.10s Presolved: 692 rows, 1128 columns, 172618 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12915.000000 12562.8462 2.73% - 0s 0 0 12584.5000 0 38 12915.0000 12584.5000 2.56% - 0s 0 0 12584.5000 0 46 12915.0000 12584.5000 2.56% - 0s 0 0 12584.5000 0 38 12915.0000 12584.5000 2.56% - 0s 0 0 12588.0249 0 43 12915.0000 12588.0249 2.53% - 0s 0 0 12598.4245 0 38 12915.0000 12598.4245 2.45% - 0s 0 0 12598.4500 0 42 12915.0000 12598.4500 2.45% - 0s 0 0 12598.5483 0 46 12915.0000 12598.5483 2.45% - 0s 0 0 12598.5674 0 50 12915.0000 12598.5674 2.45% - 0s 0 0 12599.0058 0 45 12915.0000 12599.0058 2.45% - 1s 0 0 12599.0854 0 53 12915.0000 12599.0854 2.45% - 1s 0 0 12599.1921 0 58 12915.0000 12599.1921 2.45% - 1s 0 2 12599.2656 0 58 12915.0000 12599.2656 2.44% - 1s * 67 31 66 12857.000000 12610.3094 1.92% 5.9 2s * 271 118 23 12856.000000 12649.0000 1.61% 7.2 2s 640 211 12707.0000 25 17 12856.0000 12707.0000 1.16% 7.3 5s Cutting planes: Gomory: 5 Cover: 1 Zero half: 4 Explored 2225 nodes (15430 simplex iterations) in 7.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285600000000e+04, best bound 1.285600000000e+04, gap 0.0% adding cut for [(33, 46), (4, 40), (38, 40), (7, 37), (7, 28), (13, 33), (13, 21), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 693 rows, 1128 columns and 172828 nonzeros Presolve time: 0.10s Presolved: 693 rows, 1128 columns, 172828 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12897.000000 12562.8462 2.59% - 0s 0 0 12584.5000 0 38 12897.0000 12584.5000 2.42% - 0s 0 0 12584.5000 0 46 12897.0000 12584.5000 2.42% - 0s H 0 0 12881.000000 12584.5000 2.30% - 0s 0 0 12584.5000 0 38 12881.0000 12584.5000 2.30% - 0s 0 0 12592.8333 0 34 12881.0000 12592.8333 2.24% - 0s 0 0 12593.2000 0 33 12881.0000 12593.2000 2.23% - 0s 0 0 12597.7789 0 37 12881.0000 12597.7789 2.20% - 0s 0 0 12598.1744 0 49 12881.0000 12598.1744 2.20% - 0s 0 0 12598.2091 0 48 12881.0000 12598.2091 2.20% - 0s 0 0 12598.5782 0 56 12881.0000 12598.5782 2.19% - 0s 0 0 12598.8165 0 50 12881.0000 12598.8165 2.19% - 0s 0 0 12599.2440 0 58 12881.0000 12599.2440 2.19% - 0s 0 0 12599.3770 0 57 12881.0000 12599.3770 2.19% - 1s 0 0 12599.4493 0 63 12881.0000 12599.4493 2.19% - 1s 0 2 12599.4849 0 63 12881.0000 12599.4849 2.19% - 1s * 72 42 26 12862.000000 12616.1887 1.91% 6.7 1s * 77 40 26 12857.000000 12616.1887 1.87% 6.5 1s H 572 175 12856.000000 12711.5000 1.12% 6.9 2s 753 217 12813.7500 34 24 12856.0000 12722.0000 1.04% 7.3 5s Cutting planes: Gomory: 5 Cover: 1 Zero half: 3 Explored 2073 nodes (13171 simplex iterations) in 6.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285600000000e+04, best bound 1.285500000000e+04, gap 0.0078% adding cut for [(4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 694 rows, 1128 columns and 172999 nonzeros Presolve time: 0.10s Presolved: 694 rows, 1128 columns, 172999 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12858.000000 12562.8462 2.30% - 0s 0 0 12584.5000 0 38 12858.0000 12584.5000 2.13% - 0s 0 0 12584.5000 0 46 12858.0000 12584.5000 2.13% - 0s 0 0 12584.5000 0 38 12858.0000 12584.5000 2.13% - 0s 0 0 12595.6740 0 40 12858.0000 12595.6740 2.04% - 0s 0 0 12598.4481 0 46 12858.0000 12598.4481 2.02% - 0s 0 0 12598.9840 0 55 12858.0000 12598.9840 2.01% - 0s 0 0 12599.6267 0 42 12858.0000 12599.6267 2.01% - 0s 0 0 12599.8435 0 50 12858.0000 12599.8435 2.01% - 0s 0 0 12599.9136 0 61 12858.0000 12599.9136 2.01% - 0s 0 0 12600.0710 0 54 12858.0000 12600.0710 2.01% - 0s 0 0 12600.0728 0 55 12858.0000 12600.0728 2.01% - 0s 0 2 12600.2604 0 55 12858.0000 12600.2604 2.00% - 1s * 49 22 48 12857.000000 12613.2460 1.90% 7.0 1s * 368 148 14 12856.000000 12678.0000 1.38% 6.7 2s 1323 207 12743.0000 16 18 12856.0000 12717.4000 1.08% 6.8 5s Cutting planes: Gomory: 4 Cover: 1 Zero half: 5 Explored 2285 nodes (15116 simplex iterations) in 6.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285600000000e+04, best bound 1.285600000000e+04, gap 0.0% adding cut for [(33, 46), (4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 695 rows, 1128 columns and 173209 nonzeros Presolve time: 0.10s Presolved: 695 rows, 1128 columns, 173209 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12857.000000 12562.8462 2.29% - 0s 0 0 12584.5000 0 38 12857.0000 12584.5000 2.12% - 0s 0 0 12584.5000 0 46 12857.0000 12584.5000 2.12% - 0s 0 0 12584.5000 0 38 12857.0000 12584.5000 2.12% - 0s 0 0 12595.7326 0 40 12857.0000 12595.7326 2.03% - 0s 0 0 12598.4621 0 46 12857.0000 12598.4621 2.01% - 0s 0 0 12598.5281 0 49 12857.0000 12598.5281 2.01% - 0s 0 0 12598.7576 0 58 12857.0000 12598.7576 2.01% - 0s 0 0 12599.2104 0 45 12857.0000 12599.2104 2.01% - 0s 0 0 12599.2253 0 49 12857.0000 12599.2253 2.00% - 0s 0 2 12599.3572 0 49 12857.0000 12599.3572 2.00% - 1s 1658 160 12817.0000 24 12 12857.0000 12761.0000 0.75% 5.9 5s * 1806 121 18 12856.000000 12777.0000 0.61% 5.9 5s Cutting planes: Gomory: 5 Zero half: 2 Explored 2115 nodes (12669 simplex iterations) in 5.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285600000000e+04, best bound 1.285600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (12, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 696 rows, 1128 columns and 173440 nonzeros Presolve time: 0.10s Presolved: 696 rows, 1128 columns, 173440 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12906.000000 12562.8462 2.66% - 0s 0 0 12584.5000 0 38 12906.0000 12584.5000 2.49% - 0s 0 0 12584.5000 0 46 12906.0000 12584.5000 2.49% - 0s 0 0 12584.5000 0 38 12906.0000 12584.5000 2.49% - 0s 0 0 12595.6740 0 40 12906.0000 12595.6740 2.40% - 0s 0 0 12598.4245 0 38 12906.0000 12598.4245 2.38% - 0s 0 0 12598.4524 0 42 12906.0000 12598.4524 2.38% - 0s 0 0 12598.5483 0 46 12906.0000 12598.5483 2.38% - 0s 0 0 12598.5658 0 50 12906.0000 12598.5658 2.38% - 0s 0 0 12599.0869 0 45 12906.0000 12599.0869 2.38% - 0s 0 0 12599.1358 0 53 12906.0000 12599.1358 2.38% - 1s 0 0 12599.1856 0 55 12906.0000 12599.1856 2.38% - 1s H 0 0 12882.000000 12599.1856 2.20% - 1s 0 2 12599.2015 0 55 12882.0000 12599.2015 2.20% - 1s H 27 16 12859.000000 12612.8571 1.91% 5.4 1s * 460 160 16 12858.000000 12658.0000 1.56% 5.4 2s * 463 158 12 12857.000000 12658.1856 1.55% 5.5 2s 741 220 12733.3333 48 12 12857.0000 12679.6667 1.38% 6.6 5s * 1342 221 21 12856.000000 12709.2222 1.14% 6.8 5s Cutting planes: Gomory: 5 Zero half: 1 Mod-K: 2 Explored 2267 nodes (15555 simplex iterations) in 6.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285600000000e+04, best bound 1.285600000000e+04, gap 0.0% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 697 rows, 1128 columns and 173630 nonzeros Presolve time: 0.10s Presolved: 697 rows, 1128 columns, 173630 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12906.000000 12562.8462 2.66% - 0s 0 0 12584.5000 0 38 12906.0000 12584.5000 2.49% - 0s 0 0 12584.5000 0 46 12906.0000 12584.5000 2.49% - 0s 0 0 12584.5000 0 38 12906.0000 12584.5000 2.49% - 0s 0 0 12595.6740 0 40 12906.0000 12595.6740 2.40% - 0s 0 0 12598.4245 0 38 12906.0000 12598.4245 2.38% - 0s 0 0 12598.4524 0 42 12906.0000 12598.4524 2.38% - 0s 0 0 12598.5483 0 46 12906.0000 12598.5483 2.38% - 0s 0 0 12598.5658 0 50 12906.0000 12598.5658 2.38% - 0s 0 0 12599.0869 0 45 12906.0000 12599.0869 2.38% - 1s 0 0 12599.1358 0 53 12906.0000 12599.1358 2.38% - 1s 0 0 12599.1856 0 55 12906.0000 12599.1856 2.38% - 1s H 0 0 12882.000000 12599.1856 2.20% - 1s 0 2 12599.2015 0 55 12882.0000 12599.2015 2.20% - 1s H 27 16 12859.000000 12612.8571 1.91% 5.4 1s * 455 166 12 12857.000000 12658.1856 1.55% 5.3 2s 1015 203 12797.0000 20 25 12857.0000 12698.8571 1.23% 6.5 5s Cutting planes: Gomory: 5 Zero half: 1 Mod-K: 2 Explored 2300 nodes (14582 simplex iterations) in 6.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285700000000e+04, best bound 1.285700000000e+04, gap 0.0% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 698 rows, 1128 columns and 173883 nonzeros Presolve time: 0.10s Presolved: 698 rows, 1128 columns, 173883 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12858.000000 12562.8462 2.30% - 0s 0 0 12584.5000 0 38 12858.0000 12584.5000 2.13% - 0s 0 0 12584.5000 0 46 12858.0000 12584.5000 2.13% - 0s 0 0 12584.5000 0 38 12858.0000 12584.5000 2.13% - 0s 0 0 12595.6740 0 40 12858.0000 12595.6740 2.04% - 0s 0 0 12598.4245 0 38 12858.0000 12598.4245 2.02% - 0s 0 0 12598.9081 0 45 12858.0000 12598.9081 2.02% - 0s 0 0 12599.1837 0 46 12858.0000 12599.1837 2.01% - 0s 0 0 12599.3068 0 54 12858.0000 12599.3068 2.01% - 0s 0 0 12599.7806 0 58 12858.0000 12599.7806 2.01% - 0s 0 0 12599.8685 0 57 12858.0000 12599.8685 2.01% - 0s 0 0 12599.9900 0 62 12858.0000 12599.9900 2.01% - 0s 0 0 12600.0559 0 56 12858.0000 12600.0559 2.01% - 1s 0 0 12600.2557 0 60 12858.0000 12600.2557 2.00% - 1s 0 0 12600.4027 0 60 12858.0000 12600.4027 2.00% - 1s 0 0 12600.4761 0 58 12858.0000 12600.4761 2.00% - 1s 0 0 12600.4774 0 60 12858.0000 12600.4774 2.00% - 1s 0 2 12600.5111 0 60 12858.0000 12600.5111 2.00% - 1s * 357 136 24 12857.000000 12667.3125 1.48% 7.1 2s 916 243 12790.0000 35 24 12857.0000 12693.2500 1.27% 7.3 5s Cutting planes: Gomory: 5 Cover: 1 Zero half: 5 Mod-K: 1 Explored 2252 nodes (14986 simplex iterations) in 6.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285700000000e+04, best bound 1.285600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 46), (16, 47), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 699 rows, 1128 columns and 174183 nonzeros Presolve time: 0.10s Presolved: 699 rows, 1128 columns, 174183 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12595.6740 0 40 12923.0000 12595.6740 2.53% - 0s 0 0 12598.4245 0 38 12923.0000 12598.4245 2.51% - 0s 0 0 12598.8722 0 45 12923.0000 12598.8722 2.51% - 0s 0 0 12599.1837 0 46 12923.0000 12599.1837 2.51% - 0s 0 0 12599.2707 0 54 12923.0000 12599.2707 2.51% - 0s 0 0 12599.5227 0 45 12923.0000 12599.5227 2.50% - 0s 0 0 12599.6687 0 50 12923.0000 12599.6687 2.50% - 1s 0 0 12599.7611 0 48 12923.0000 12599.7611 2.50% - 1s 0 0 12600.1208 0 58 12923.0000 12600.1208 2.50% - 1s 0 0 12600.3995 0 53 12923.0000 12600.3995 2.50% - 1s 0 0 12600.4451 0 61 12923.0000 12600.4451 2.50% - 1s 0 0 12600.5213 0 62 12923.0000 12600.5213 2.50% - 1s 0 0 12600.5282 0 62 12923.0000 12600.5282 2.50% - 1s H 0 0 12905.000000 12600.5282 2.36% - 1s 0 2 12600.6697 0 62 12905.0000 12600.6697 2.36% - 1s H 27 22 12903.000000 12615.4706 2.23% 7.3 2s * 74 28 73 12879.000000 12615.4706 2.05% 4.7 2s * 162 77 38 12868.000000 12631.8320 1.84% 5.4 2s * 229 110 25 12865.000000 12636.7755 1.77% 5.8 2s * 237 109 7 12859.000000 12637.3333 1.72% 6.0 2s * 268 111 10 12858.000000 12642.1818 1.68% 6.1 2s * 381 161 17 12857.000000 12666.3000 1.48% 6.4 2s 676 238 12722.5000 19 18 12857.0000 12686.5373 1.33% 7.8 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 1967 nodes (13702 simplex iterations) in 6.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285700000000e+04, best bound 1.285700000000e+04, gap 0.0% adding cut for [(4, 10), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 700 rows, 1128 columns and 174414 nonzeros Presolve time: 0.10s Presolved: 700 rows, 1128 columns, 174414 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12866.000000 12562.8462 2.36% - 0s 0 0 12584.5000 0 38 12866.0000 12584.5000 2.19% - 0s 0 0 12584.5000 0 46 12866.0000 12584.5000 2.19% - 0s 0 0 12584.5000 0 38 12866.0000 12584.5000 2.19% - 0s 0 0 12589.7569 0 45 12866.0000 12589.7569 2.15% - 0s H 0 0 12858.000000 12589.7569 2.09% - 0s 0 0 12598.4762 0 42 12858.0000 12598.4762 2.02% - 0s 0 0 12598.5865 0 49 12858.0000 12598.5865 2.02% - 0s 0 0 12598.8827 0 52 12858.0000 12598.8827 2.02% - 0s 0 0 12599.0188 0 51 12858.0000 12599.0188 2.01% - 0s 0 0 12599.0298 0 54 12858.0000 12599.0298 2.01% - 0s 0 0 12599.2311 0 50 12858.0000 12599.2311 2.01% - 0s 0 0 12599.2825 0 57 12858.0000 12599.2825 2.01% - 0s 0 0 12599.3590 0 54 12858.0000 12599.3590 2.01% - 1s 0 2 12599.3799 0 54 12858.0000 12599.3799 2.01% - 1s * 591 180 14 12857.000000 12698.5000 1.23% 7.3 2s 767 223 12703.9286 46 21 12857.0000 12703.9286 1.19% 7.5 5s Cutting planes: Gomory: 5 Zero half: 4 Explored 2553 nodes (17104 simplex iterations) in 7.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285700000000e+04, best bound 1.285600000000e+04, gap 0.0078% adding cut for [(2, 17), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (34, 41), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (9, 38), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 701 rows, 1128 columns and 174624 nonzeros Presolve time: 0.10s Presolved: 701 rows, 1128 columns, 174624 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12921.000000 12562.8462 2.77% - 0s 0 0 12584.5000 0 38 12921.0000 12584.5000 2.60% - 0s 0 0 12584.5000 0 46 12921.0000 12584.5000 2.60% - 0s 0 0 12584.5000 0 38 12921.0000 12584.5000 2.60% - 0s 0 0 12592.6867 0 35 12921.0000 12592.6867 2.54% - 0s H 0 0 12901.000000 12592.6867 2.39% - 0s 0 0 12593.5574 0 41 12901.0000 12593.5574 2.38% - 0s 0 0 12595.4492 0 52 12901.0000 12595.4492 2.37% - 0s 0 0 12598.2125 0 44 12901.0000 12598.2125 2.35% - 0s 0 0 12598.3143 0 52 12901.0000 12598.3143 2.35% - 0s 0 0 12598.5370 0 46 12901.0000 12598.5370 2.34% - 0s 0 0 12598.9758 0 56 12901.0000 12598.9758 2.34% - 0s 0 0 12599.1721 0 47 12901.0000 12599.1721 2.34% - 1s 0 0 12599.3590 0 52 12901.0000 12599.3590 2.34% - 1s 0 0 12599.3880 0 56 12901.0000 12599.3880 2.34% - 1s 0 0 12599.4800 0 58 12901.0000 12599.4800 2.34% - 1s 0 0 12599.6242 0 60 12901.0000 12599.6242 2.34% - 1s 0 0 12599.6841 0 61 12901.0000 12599.6841 2.34% - 1s 0 0 12599.9390 0 61 12901.0000 12599.9390 2.33% - 1s 0 0 12600.0566 0 62 12901.0000 12600.0566 2.33% - 1s H 0 0 12885.000000 12600.0566 2.21% - 1s H 0 0 12880.000000 12600.0566 2.17% - 2s 0 2 12600.1176 0 62 12880.0000 12600.1176 2.17% - 2s H 57 20 12866.000000 12631.8320 1.82% 5.2 2s * 72 23 70 12859.000000 12631.8320 1.77% 4.9 2s * 457 188 20 12858.000000 12679.5230 1.39% 6.5 3s * 499 190 13 12857.000000 12681.0000 1.37% 6.7 3s 627 230 12695.1880 16 10 12857.0000 12695.1880 1.26% 7.1 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 2258 nodes (15016 simplex iterations) in 7.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285700000000e+04, best bound 1.285600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 702 rows, 1128 columns and 174975 nonzeros Presolve time: 0.10s Presolved: 702 rows, 1128 columns, 174975 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12893.000000 12562.8462 2.56% - 0s 0 0 12584.5000 0 38 12893.0000 12584.5000 2.39% - 0s 0 0 12584.5000 0 46 12893.0000 12584.5000 2.39% - 0s H 0 0 12881.000000 12584.5000 2.30% - 0s 0 0 12584.5000 0 38 12881.0000 12584.5000 2.30% - 0s 0 0 12589.3506 0 36 12881.0000 12589.3506 2.26% - 0s 0 0 12599.7371 0 43 12881.0000 12599.7371 2.18% - 0s 0 0 12599.8566 0 53 12881.0000 12599.8566 2.18% - 0s 0 0 12600.4088 0 42 12881.0000 12600.4088 2.18% - 0s 0 0 12600.4786 0 43 12881.0000 12600.4786 2.18% - 0s 0 0 12600.4926 0 51 12881.0000 12600.4926 2.18% - 0s 0 0 12600.5334 0 55 12881.0000 12600.5334 2.18% - 0s 0 0 12600.6038 0 49 12881.0000 12600.6038 2.18% - 1s 0 0 12600.6708 0 60 12881.0000 12600.6708 2.18% - 1s 0 0 12601.1061 0 40 12881.0000 12601.1061 2.17% - 1s 0 0 12601.4014 0 57 12881.0000 12601.4014 2.17% - 1s 0 0 12602.1353 0 42 12881.0000 12602.1353 2.16% - 1s 0 0 12602.2119 0 49 12881.0000 12602.2119 2.16% - 1s 0 0 12602.2204 0 56 12881.0000 12602.2204 2.16% - 1s 0 2 12602.2206 0 56 12881.0000 12602.2206 2.16% - 1s H 27 15 12871.000000 12636.5714 1.82% 7.3 2s * 89 27 88 12860.000000 12636.5714 1.74% 4.6 2s * 215 107 33 12859.000000 12645.0441 1.66% 5.5 2s * 299 128 13 12858.000000 12655.5000 1.57% 5.9 2s 675 246 12822.5000 50 12 12858.0000 12692.1000 1.29% 6.9 5s * 1358 291 28 12857.000000 12704.3333 1.19% 6.6 5s Cutting planes: Gomory: 5 Zero half: 4 Explored 2455 nodes (16969 simplex iterations) in 7.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285700000000e+04, best bound 1.285600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 703 rows, 1128 columns and 175228 nonzeros Presolve time: 0.10s Presolved: 703 rows, 1128 columns, 175228 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12908.000000 12562.8462 2.67% - 0s 0 0 12584.5000 0 38 12908.0000 12584.5000 2.51% - 0s 0 0 12584.5000 0 46 12908.0000 12584.5000 2.51% - 0s 0 0 12584.5000 0 38 12908.0000 12584.5000 2.51% - 0s 0 0 12589.3551 0 44 12908.0000 12589.3551 2.47% - 0s 0 0 12598.4245 0 38 12908.0000 12598.4245 2.40% - 0s 0 0 12598.8193 0 45 12908.0000 12598.8193 2.40% - 0s 0 0 12599.1837 0 46 12908.0000 12599.1837 2.39% - 0s 0 0 12599.2828 0 54 12908.0000 12599.2828 2.39% - 0s 0 0 12599.5397 0 52 12908.0000 12599.5397 2.39% - 0s 0 0 12599.8803 0 51 12908.0000 12599.8803 2.39% - 0s 0 0 12599.9713 0 59 12908.0000 12599.9713 2.39% - 1s 0 0 12600.2420 0 53 12908.0000 12600.2420 2.38% - 1s H 0 0 12879.000000 12600.2420 2.16% - 1s 0 2 12600.3263 0 53 12879.0000 12600.3263 2.16% - 1s * 150 77 18 12863.000000 12630.0000 1.81% 4.7 2s * 238 110 20 12862.000000 12638.6077 1.74% 5.6 2s * 370 142 14 12858.000000 12677.0676 1.41% 6.0 2s 1110 199 12800.0000 19 18 12858.0000 12708.3333 1.16% 6.5 5s * 1527 185 17 12857.000000 12745.6000 0.87% 6.6 5s Cutting planes: Gomory: 4 Cover: 1 Zero half: 3 Explored 2015 nodes (13571 simplex iterations) in 6.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285700000000e+04, best bound 1.285600000000e+04, gap 0.0078% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 36), (20, 37), (20, 27), (21, 47), (21, 30), (30, 43)] Optimize a model with 704 rows, 1128 columns and 175348 nonzeros Presolve time: 0.10s Presolved: 704 rows, 1128 columns, 175348 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12915.000000 12562.8462 2.73% - 0s 0 0 12584.5000 0 38 12915.0000 12584.5000 2.56% - 0s 0 0 12584.5000 0 46 12915.0000 12584.5000 2.56% - 0s 0 0 12584.5000 0 38 12915.0000 12584.5000 2.56% - 0s 0 0 12589.3551 0 44 12915.0000 12589.3551 2.52% - 0s 0 0 12598.4245 0 38 12915.0000 12598.4245 2.45% - 0s 0 0 12598.8986 0 45 12915.0000 12598.8986 2.45% - 0s 0 0 12599.1837 0 46 12915.0000 12599.1837 2.45% - 0s 0 0 12599.2828 0 54 12915.0000 12599.2828 2.44% - 0s 0 0 12599.7877 0 40 12915.0000 12599.7877 2.44% - 0s 0 0 12600.3107 0 52 12915.0000 12600.3107 2.44% - 1s 0 0 12600.3975 0 60 12915.0000 12600.3975 2.44% - 1s 0 0 12600.5771 0 50 12915.0000 12600.5771 2.43% - 1s 0 0 12600.5937 0 51 12915.0000 12600.5937 2.43% - 1s 0 0 12600.6093 0 53 12915.0000 12600.6093 2.43% - 1s 0 0 12600.6559 0 56 12915.0000 12600.6559 2.43% - 1s 0 0 12600.6600 0 64 12915.0000 12600.6600 2.43% - 1s 0 2 12600.7292 0 64 12915.0000 12600.7292 2.43% - 2s H 27 19 12861.000000 12609.5467 1.96% 7.8 2s * 91 48 22 12859.000000 12631.8320 1.77% 6.4 2s * 310 156 47 12858.000000 12647.2778 1.64% 5.6 2s 650 241 12684.0000 34 40 12858.0000 12684.0000 1.35% 7.2 5s Cutting planes: Gomory: 5 Zero half: 5 Mod-K: 1 Explored 2333 nodes (15292 simplex iterations) in 7.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285800000000e+04, best bound 1.285800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 705 rows, 1128 columns and 175601 nonzeros Presolve time: 0.10s Presolved: 705 rows, 1128 columns, 175601 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7789 0 37 12923.0000 12597.7789 2.52% - 0s 0 0 12597.8711 0 45 12923.0000 12597.8711 2.52% - 0s 0 0 12598.2364 0 48 12923.0000 12598.2364 2.51% - 0s 0 0 12598.3533 0 56 12923.0000 12598.3533 2.51% - 0s 0 0 12598.6660 0 57 12923.0000 12598.6660 2.51% - 0s 0 0 12599.9792 0 54 12923.0000 12599.9792 2.50% - 1s 0 0 12600.2051 0 62 12923.0000 12600.2051 2.50% - 1s 0 0 12600.3516 0 64 12923.0000 12600.3516 2.50% - 1s 0 0 12600.4813 0 61 12923.0000 12600.4813 2.50% - 1s 0 0 12600.8061 0 55 12923.0000 12600.8061 2.49% - 1s 0 0 12600.8199 0 65 12923.0000 12600.8199 2.49% - 1s 0 0 12601.4247 0 44 12923.0000 12601.4247 2.49% - 1s 0 0 12601.4541 0 56 12923.0000 12601.4541 2.49% - 1s 0 0 12601.4929 0 61 12923.0000 12601.4929 2.49% - 1s 0 0 12601.5760 0 63 12923.0000 12601.5760 2.49% - 1s 0 0 12601.7476 0 59 12923.0000 12601.7476 2.49% - 1s 0 0 12601.7825 0 59 12923.0000 12601.7825 2.49% - 1s H 0 0 12922.000000 12601.7825 2.48% - 2s H 0 0 12915.000000 12601.7825 2.43% - 2s 0 2 12602.0000 0 59 12915.0000 12602.0000 2.42% - 2s * 76 39 75 12898.000000 12622.5851 2.14% 5.7 2s H 131 71 12861.000000 12635.0426 1.76% 5.3 2s * 229 109 18 12860.000000 12644.1429 1.68% 5.7 2s H 284 128 12859.000000 12655.0000 1.59% 5.7 3s 615 228 12701.0000 12 49 12859.0000 12701.0000 1.23% 6.5 5s * 1310 255 23 12858.000000 12703.4286 1.20% 6.5 6s Cutting planes: Gomory: 5 Zero half: 6 Explored 2357 nodes (15593 simplex iterations) in 7.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285800000000e+04, best bound 1.285700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 706 rows, 1128 columns and 175926 nonzeros Presolve time: 0.10s Presolved: 706 rows, 1128 columns, 175926 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12893.000000 12562.8462 2.56% - 0s 0 0 12584.5000 0 38 12893.0000 12584.5000 2.39% - 0s 0 0 12584.5000 0 46 12893.0000 12584.5000 2.39% - 0s H 0 0 12881.000000 12584.5000 2.30% - 0s 0 0 12584.5000 0 38 12881.0000 12584.5000 2.30% - 0s 0 0 12589.3506 0 36 12881.0000 12589.3506 2.26% - 0s 0 0 12599.7371 0 43 12881.0000 12599.7371 2.18% - 0s 0 0 12599.8566 0 53 12881.0000 12599.8566 2.18% - 0s 0 0 12600.4088 0 42 12881.0000 12600.4088 2.18% - 0s 0 0 12600.4786 0 43 12881.0000 12600.4786 2.18% - 0s 0 0 12600.4926 0 51 12881.0000 12600.4926 2.18% - 0s 0 0 12600.5634 0 55 12881.0000 12600.5634 2.18% - 0s 0 0 12600.5680 0 60 12881.0000 12600.5680 2.18% - 1s 0 0 12600.8648 0 64 12881.0000 12600.8648 2.17% - 1s 0 0 12601.1061 0 40 12881.0000 12601.1061 2.17% - 1s 0 0 12601.4040 0 57 12881.0000 12601.4040 2.17% - 1s 0 0 12602.1353 0 42 12881.0000 12602.1353 2.16% - 1s 0 0 12602.1979 0 51 12881.0000 12602.1979 2.16% - 1s 0 0 12602.2039 0 53 12881.0000 12602.2039 2.16% - 1s 0 2 12602.2766 0 53 12881.0000 12602.2766 2.16% - 1s * 162 87 24 12867.000000 12618.6628 1.93% 5.8 2s * 173 91 21 12860.000000 12630.0000 1.79% 5.8 2s 616 338 12797.0000 22 60 12860.0000 12667.0000 1.50% 6.1 5s * 1104 360 30 12859.000000 12685.0000 1.35% 6.7 6s * 1462 351 29 12858.000000 12713.0000 1.13% 6.3 6s Cutting planes: Gomory: 7 Zero half: 2 Mod-K: 1 Explored 2638 nodes (16872 simplex iterations) in 8.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285800000000e+04, best bound 1.285700000000e+04, gap 0.0078% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 707 rows, 1128 columns and 176179 nonzeros Presolve time: 0.10s Presolved: 707 rows, 1128 columns, 176179 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12858.000000 12562.8462 2.30% - 0s 0 0 12584.5000 0 38 12858.0000 12584.5000 2.13% - 0s 0 0 12584.5000 0 46 12858.0000 12584.5000 2.13% - 0s 0 0 12584.5000 0 38 12858.0000 12584.5000 2.13% - 0s 0 0 12595.6740 0 40 12858.0000 12595.6740 2.04% - 0s 0 0 12598.4404 0 46 12858.0000 12598.4404 2.02% - 0s 0 0 12599.0428 0 52 12858.0000 12599.0428 2.01% - 0s 0 0 12599.0582 0 54 12858.0000 12599.0582 2.01% - 0s 0 0 12599.8713 0 45 12858.0000 12599.8713 2.01% - 0s 0 0 12599.9543 0 49 12858.0000 12599.9543 2.01% - 0s 0 0 12599.9854 0 57 12858.0000 12599.9854 2.01% - 0s 0 0 12600.2667 0 53 12858.0000 12600.2667 2.00% - 0s 0 0 12600.2907 0 61 12858.0000 12600.2907 2.00% - 1s 0 2 12600.3831 0 61 12858.0000 12600.3831 2.00% - 1s 1185 230 12813.0000 19 16 12858.0000 12708.6667 1.16% 6.1 5s Cutting planes: Gomory: 4 Cover: 1 Zero half: 4 Explored 2500 nodes (15329 simplex iterations) in 6.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285800000000e+04, best bound 1.285800000000e+04, gap 0.0% adding cut for [(4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 708 rows, 1128 columns and 176350 nonzeros Presolve time: 0.10s Presolved: 708 rows, 1128 columns, 176350 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7789 0 37 12923.0000 12597.7789 2.52% - 0s 0 0 12597.8711 0 45 12923.0000 12597.8711 2.52% - 0s 0 0 12598.2364 0 48 12923.0000 12598.2364 2.51% - 0s 0 0 12598.3533 0 56 12923.0000 12598.3533 2.51% - 0s 0 0 12598.7707 0 58 12923.0000 12598.7707 2.51% - 0s 0 0 12600.0345 0 61 12923.0000 12600.0345 2.50% - 1s 0 0 12600.5719 0 59 12923.0000 12600.5719 2.49% - 1s 0 0 12600.5846 0 59 12923.0000 12600.5846 2.49% - 1s 0 0 12600.7103 0 62 12923.0000 12600.7103 2.49% - 1s 0 0 12600.7159 0 62 12923.0000 12600.7159 2.49% - 1s H 0 0 12866.000000 12600.7159 2.06% - 1s 0 2 12601.1383 0 62 12866.0000 12601.1383 2.06% - 1s * 47 25 46 12865.000000 12612.8929 1.96% 6.4 2s * 205 110 13 12863.000000 12636.3333 1.76% 5.7 2s * 295 137 21 12860.000000 12644.4097 1.68% 5.6 2s 691 291 12748.7500 64 14 12860.0000 12679.6667 1.40% 6.8 5s * 746 290 40 12859.000000 12679.6667 1.39% 7.3 5s * 999 282 25 12858.000000 12679.6667 1.39% 7.0 5s Cutting planes: Gomory: 5 Zero half: 6 Mod-K: 1 Explored 2520 nodes (17938 simplex iterations) in 7.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285800000000e+04, best bound 1.285700000000e+04, gap 0.0078% adding cut for [(4, 10), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 709 rows, 1128 columns and 176581 nonzeros Presolve time: 0.10s Presolved: 709 rows, 1128 columns, 176581 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12866.000000 12562.8462 2.36% - 0s 0 0 12584.5000 0 38 12866.0000 12584.5000 2.19% - 0s 0 0 12584.5000 0 46 12866.0000 12584.5000 2.19% - 0s 0 0 12584.5000 0 38 12866.0000 12584.5000 2.19% - 0s 0 0 12588.6059 0 37 12866.0000 12588.6059 2.16% - 0s 0 0 12593.4545 0 40 12866.0000 12593.4545 2.12% - 0s 0 0 12600.1357 0 49 12866.0000 12600.1357 2.07% - 0s 0 0 12600.2961 0 58 12866.0000 12600.2961 2.07% - 0s 0 0 12601.4031 0 54 12866.0000 12601.4031 2.06% - 0s 0 0 12601.5008 0 62 12866.0000 12601.5008 2.06% - 0s 0 0 12601.5632 0 62 12866.0000 12601.5632 2.06% - 0s 0 0 12601.7549 0 58 12866.0000 12601.7549 2.05% - 0s 0 0 12601.7637 0 63 12866.0000 12601.7637 2.05% - 0s 0 2 12602.0000 0 63 12866.0000 12602.0000 2.05% - 1s * 169 87 35 12858.000000 12639.0000 1.70% 5.6 2s 747 243 12753.6250 35 27 12858.0000 12715.0000 1.11% 6.5 5s Cutting planes: Gomory: 5 Zero half: 6 Explored 2162 nodes (13127 simplex iterations) in 6.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285800000000e+04, best bound 1.285800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 710 rows, 1128 columns and 176881 nonzeros Presolve time: 0.10s Presolved: 710 rows, 1128 columns, 176881 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7789 0 37 12923.0000 12597.7789 2.52% - 0s 0 0 12597.8711 0 45 12923.0000 12597.8711 2.52% - 0s 0 0 12598.2364 0 48 12923.0000 12598.2364 2.51% - 0s 0 0 12598.3533 0 56 12923.0000 12598.3533 2.51% - 0s 0 0 12598.6660 0 57 12923.0000 12598.6660 2.51% - 0s 0 0 12599.9792 0 54 12923.0000 12599.9792 2.50% - 1s 0 0 12600.2051 0 62 12923.0000 12600.2051 2.50% - 1s 0 0 12600.3516 0 64 12923.0000 12600.3516 2.50% - 1s 0 0 12600.4813 0 61 12923.0000 12600.4813 2.50% - 1s 0 0 12600.8061 0 55 12923.0000 12600.8061 2.49% - 1s 0 0 12600.8199 0 65 12923.0000 12600.8199 2.49% - 1s 0 0 12601.4247 0 44 12923.0000 12601.4247 2.49% - 1s 0 0 12601.4621 0 56 12923.0000 12601.4621 2.49% - 1s 0 0 12601.4897 0 64 12923.0000 12601.4897 2.49% - 1s 0 0 12601.5999 0 63 12923.0000 12601.5999 2.49% - 1s 0 0 12601.8208 0 54 12923.0000 12601.8208 2.49% - 1s H 0 0 12881.000000 12601.8208 2.17% - 1s 0 2 12601.9149 0 54 12881.0000 12601.9149 2.17% - 2s * 76 32 76 12870.000000 12608.8506 2.03% 5.6 2s * 165 79 39 12861.000000 12634.9780 1.76% 6.1 2s * 298 119 29 12860.000000 12641.8333 1.70% 6.2 3s * 300 117 14 12859.000000 12645.5000 1.66% 6.3 3s 612 211 12764.0000 10 51 12859.0000 12687.0000 1.34% 6.2 5s * 1168 221 27 12858.000000 12701.9394 1.21% 6.7 6s Cutting planes: Gomory: 4 Zero half: 5 Explored 2298 nodes (15323 simplex iterations) in 7.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285800000000e+04, best bound 1.285800000000e+04, gap 0.0% adding cut for [(33, 36), (4, 40), (7, 37), (7, 28), (10, 38), (10, 40), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 711 rows, 1128 columns and 177091 nonzeros Presolve time: 0.10s Presolved: 711 rows, 1128 columns, 177091 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12875.000000 12562.8462 2.42% - 0s 0 0 12584.5000 0 38 12875.0000 12584.5000 2.26% - 0s 0 0 12584.5000 0 46 12875.0000 12584.5000 2.26% - 0s 0 0 12584.5000 0 38 12875.0000 12584.5000 2.26% - 0s 0 0 12588.7852 0 45 12875.0000 12588.7852 2.22% - 0s 0 0 12593.3476 0 50 12875.0000 12593.3476 2.19% - 0s 0 0 12597.7195 0 47 12875.0000 12597.7195 2.15% - 0s 0 0 12597.8928 0 55 12875.0000 12597.8928 2.15% - 0s 0 0 12598.2278 0 53 12875.0000 12598.2278 2.15% - 0s 0 2 12598.2780 0 53 12875.0000 12598.2780 2.15% - 1s H 27 20 12870.000000 12611.5354 2.01% 8.6 1s * 59 24 56 12865.000000 12611.5354 1.97% 5.8 1s * 350 166 12 12864.000000 12664.2159 1.55% 5.6 2s H 394 183 12860.000000 12672.4000 1.46% 5.6 2s * 700 255 68 12859.000000 12689.0915 1.32% 6.8 4s 1379 281 12743.0000 16 8 12859.0000 12707.5000 1.18% 6.6 5s * 2443 122 23 12858.000000 12804.0000 0.42% 6.9 6s Cutting planes: Gomory: 4 Cover: 1 Zero half: 2 Explored 2616 nodes (18073 simplex iterations) in 6.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285800000000e+04, best bound 1.285700000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 712 rows, 1128 columns and 177344 nonzeros Presolve time: 0.10s Presolved: 712 rows, 1128 columns, 177344 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12877.000000 12562.8462 2.44% - 0s 0 0 12584.5000 0 38 12877.0000 12584.5000 2.27% - 0s 0 0 12584.5000 0 46 12877.0000 12584.5000 2.27% - 0s 0 0 12584.5000 0 38 12877.0000 12584.5000 2.27% - 0s 0 0 12588.6059 0 37 12877.0000 12588.6059 2.24% - 0s 0 0 12593.4839 0 34 12877.0000 12593.4839 2.20% - 0s 0 0 12596.1478 0 46 12877.0000 12596.1478 2.18% - 0s 0 0 12597.9520 0 48 12877.0000 12597.9520 2.17% - 0s 0 0 12599.3621 0 53 12877.0000 12599.3621 2.16% - 0s 0 0 12599.8650 0 54 12877.0000 12599.8650 2.15% - 0s 0 0 12600.2273 0 43 12877.0000 12600.2273 2.15% - 0s 0 0 12600.2922 0 51 12877.0000 12600.2922 2.15% - 0s 0 0 12600.3284 0 61 12877.0000 12600.3284 2.15% - 1s 0 0 12600.5366 0 55 12877.0000 12600.5366 2.15% - 1s 0 0 12600.6143 0 60 12877.0000 12600.6143 2.15% - 1s 0 0 12601.0786 0 65 12877.0000 12601.0786 2.14% - 1s 0 2 12601.1809 0 65 12877.0000 12601.1809 2.14% - 1s H 54 24 12861.000000 12613.0000 1.93% 5.7 2s * 107 58 35 12860.000000 12631.9039 1.77% 5.4 2s * 605 214 18 12859.000000 12706.0000 1.19% 6.7 3s 732 252 12717.7500 24 44 12859.0000 12717.7500 1.10% 7.4 5s Cutting planes: Gomory: 5 Zero half: 5 Explored 2607 nodes (17454 simplex iterations) in 7.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285900000000e+04, best bound 1.285900000000e+04, gap 0.0% adding cut for [(33, 46), (4, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 40), (31, 44)] Optimize a model with 713 rows, 1128 columns and 177534 nonzeros Presolve time: 0.10s Presolved: 713 rows, 1128 columns, 177534 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12592.8333 0 34 12923.0000 12592.8333 2.55% - 0s 0 0 12593.2000 0 33 12923.0000 12593.2000 2.55% - 0s 0 0 12597.7789 0 37 12923.0000 12597.7789 2.52% - 0s 0 0 12597.8711 0 45 12923.0000 12597.8711 2.52% - 0s 0 0 12598.2364 0 48 12923.0000 12598.2364 2.51% - 0s 0 0 12598.3533 0 56 12923.0000 12598.3533 2.51% - 0s 0 0 12598.7707 0 58 12923.0000 12598.7707 2.51% - 0s 0 0 12600.0345 0 61 12923.0000 12600.0345 2.50% - 1s 0 0 12600.5719 0 59 12923.0000 12600.5719 2.49% - 1s 0 0 12600.5846 0 59 12923.0000 12600.5846 2.49% - 1s 0 0 12600.7103 0 62 12923.0000 12600.7103 2.49% - 1s 0 0 12600.7159 0 62 12923.0000 12600.7159 2.49% - 1s H 0 0 12866.000000 12600.7159 2.06% - 1s 0 2 12601.1383 0 62 12866.0000 12601.1383 2.06% - 1s * 31 23 30 12859.000000 12612.8929 1.91% 6.8 2s 689 264 12679.6667 14 50 12859.0000 12679.6667 1.39% 7.0 5s Cutting planes: Gomory: 5 Zero half: 6 Mod-K: 1 Explored 2767 nodes (19905 simplex iterations) in 8.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285900000000e+04, best bound 1.285800000000e+04, gap 0.0078% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (44, 46), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43)] Optimize a model with 714 rows, 1128 columns and 177724 nonzeros Presolve time: 0.10s Presolved: 714 rows, 1128 columns, 177724 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12585.9368 0 42 12923.0000 12585.9368 2.61% - 0s 0 0 12595.6082 0 49 12923.0000 12595.6082 2.53% - 0s 0 0 12597.9381 0 56 12923.0000 12597.9381 2.52% - 0s 0 0 12598.2396 0 48 12923.0000 12598.2396 2.51% - 0s 0 0 12598.7722 0 57 12923.0000 12598.7722 2.51% - 0s 0 0 12599.1911 0 58 12923.0000 12599.1911 2.51% - 0s 0 0 12599.2947 0 66 12923.0000 12599.2947 2.50% - 1s 0 0 12599.6519 0 50 12923.0000 12599.6519 2.50% - 1s 0 0 12599.6971 0 58 12923.0000 12599.6971 2.50% - 1s 0 0 12600.0078 0 57 12923.0000 12600.0078 2.50% - 1s H 0 0 12868.000000 12600.0078 2.08% - 1s 0 2 12600.0263 0 57 12868.0000 12600.0263 2.08% - 1s H 27 21 12863.000000 12608.6459 1.98% 8.7 2s * 285 114 16 12859.000000 12652.0408 1.61% 6.7 2s 635 211 12699.0000 22 21 12859.0000 12699.0000 1.24% 7.2 5s Cutting planes: Gomory: 4 Zero half: 3 Explored 2268 nodes (14395 simplex iterations) in 7.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285900000000e+04, best bound 1.285900000000e+04, gap 0.0% adding cut for [(33, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (44, 46), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43)] Optimize a model with 715 rows, 1128 columns and 177895 nonzeros Presolve time: 0.10s Presolved: 715 rows, 1128 columns, 177895 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s H 0 0 12862.000000 12584.5000 2.16% - 0s 0 0 12585.9368 0 42 12862.0000 12585.9368 2.15% - 0s 0 0 12594.4604 0 45 12862.0000 12594.4604 2.08% - 0s 0 0 12597.9351 0 48 12862.0000 12597.9351 2.05% - 0s 0 2 12599.5600 0 48 12862.0000 12599.5600 2.04% - 1s H 189 61 12861.000000 12664.3979 1.53% 11.2 3s * 206 67 37 12860.000000 12664.3979 1.52% 11.0 3s * 519 160 28 12859.000000 12694.6667 1.28% 8.8 4s 1061 246 12843.5000 21 12 12859.0000 12740.0000 0.93% 7.8 5s Cutting planes: Gomory: 10 Zero half: 5 Mod-K: 4 Explored 1861 nodes (13730 simplex iterations) in 6.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285900000000e+04, best bound 1.285800000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 716 rows, 1128 columns and 178171 nonzeros Presolve time: 0.10s Presolved: 716 rows, 1128 columns, 178171 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12562.8462 2.79% - 0s 0 0 12584.5000 0 38 12923.0000 12584.5000 2.62% - 0s 0 0 12584.5000 0 46 12923.0000 12584.5000 2.62% - 0s 0 0 12585.9368 0 42 12923.0000 12585.9368 2.61% - 0s 0 0 12595.6082 0 49 12923.0000 12595.6082 2.53% - 0s 0 0 12597.9381 0 56 12923.0000 12597.9381 2.52% - 0s 0 0 12598.2396 0 48 12923.0000 12598.2396 2.51% - 0s 0 0 12598.7750 0 57 12923.0000 12598.7750 2.51% - 0s 0 0 12599.3004 0 53 12923.0000 12599.3004 2.50% - 0s 0 0 12599.4267 0 58 12923.0000 12599.4267 2.50% - 1s 0 0 12599.4651 0 65 12923.0000 12599.4651 2.50% - 1s 0 0 12599.5684 0 59 12923.0000 12599.5684 2.50% - 1s 0 0 12599.5744 0 61 12923.0000 12599.5744 2.50% - 1s 0 0 12599.6765 0 65 12923.0000 12599.6765 2.50% - 1s H 0 0 12880.000000 12599.6765 2.18% - 1s 0 2 12599.7640 0 65 12880.0000 12599.7640 2.18% - 1s * 171 108 27 12869.000000 12633.0105 1.83% 6.3 2s * 209 125 13 12862.000000 12638.0000 1.74% 6.3 2s * 217 128 19 12861.000000 12638.0000 1.73% 6.2 2s * 293 153 14 12860.000000 12667.2500 1.50% 6.7 2s 614 240 12703.6667 15 46 12860.0000 12703.6667 1.22% 6.9 5s * 1598 331 34 12859.000000 12721.8333 1.07% 6.1 6s Cutting planes: Gomory: 6 Zero half: 3 Mod-K: 1 Explored 2650 nodes (16270 simplex iterations) in 8.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285900000000e+04, best bound 1.285900000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46), (38, 40)] Optimize a model with 717 rows, 1128 columns and 178402 nonzeros Presolve time: 0.10s Presolved: 717 rows, 1128 columns, 178402 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12893.000000 12562.8462 2.56% - 0s 0 0 12584.5000 0 38 12893.0000 12584.5000 2.39% - 0s 0 0 12584.5000 0 46 12893.0000 12584.5000 2.39% - 0s H 0 0 12881.000000 12584.5000 2.30% - 0s 0 0 12584.5000 0 38 12881.0000 12584.5000 2.30% - 0s 0 0 12587.6933 0 41 12881.0000 12587.6933 2.28% - 0s 0 0 12595.6740 0 40 12881.0000 12595.6740 2.22% - 0s 0 0 12599.5786 0 35 12881.0000 12599.5786 2.18% - 0s 0 0 12599.5942 0 37 12881.0000 12599.5942 2.18% - 0s 0 0 12599.6696 0 45 12881.0000 12599.6696 2.18% - 0s 0 0 12599.7797 0 41 12881.0000 12599.7797 2.18% - 0s 0 0 12599.8488 0 51 12881.0000 12599.8488 2.18% - 0s 0 0 12599.9015 0 53 12881.0000 12599.9015 2.18% - 0s 0 0 12599.9753 0 40 12881.0000 12599.9753 2.18% - 1s 0 0 12600.0939 0 50 12881.0000 12600.0939 2.18% - 1s 0 0 12600.2592 0 51 12881.0000 12600.2592 2.18% - 1s 0 0 12600.3846 0 59 12881.0000 12600.3846 2.18% - 1s 0 0 12600.4543 0 60 12881.0000 12600.4543 2.18% - 1s 0 0 12600.6537 0 53 12881.0000 12600.6537 2.18% - 1s 0 0 12600.8269 0 46 12881.0000 12600.8269 2.18% - 1s 0 0 12601.0000 0 51 12881.0000 12601.0000 2.17% - 1s 0 2 12601.1217 0 51 12881.0000 12601.1217 2.17% - 1s H 27 16 12871.000000 12603.8667 2.08% 7.4 1s * 71 21 71 12869.000000 12603.8667 2.06% 4.8 2s H 81 28 12862.000000 12631.0000 1.80% 4.9 2s * 125 57 28 12861.000000 12631.8320 1.78% 4.6 2s * 127 54 26 12860.000000 12631.8320 1.77% 4.5 2s * 357 175 19 12859.000000 12653.0000 1.60% 6.0 2s 693 297 12845.0000 67 13 12859.0000 12684.5714 1.36% 6.7 5s Cutting planes: Gomory: 3 Zero half: 7 Explored 2543 nodes (16480 simplex iterations) in 7.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285900000000e+04, best bound 1.285900000000e+04, gap 0.0% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (10, 38), (10, 23), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 718 rows, 1128 columns and 178612 nonzeros Presolve time: 0.10s Presolved: 718 rows, 1128 columns, 178612 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12860.000000 12562.8462 2.31% - 0s 0 0 12584.5000 0 38 12860.0000 12584.5000 2.14% - 0s 0 0 12584.5000 0 46 12860.0000 12584.5000 2.14% - 0s 0 0 12584.5000 0 38 12860.0000 12584.5000 2.14% - 0s 0 0 12589.3554 0 44 12860.0000 12589.3554 2.10% - 0s 0 0 12598.4245 0 38 12860.0000 12598.4245 2.03% - 0s 0 0 12598.4524 0 42 12860.0000 12598.4524 2.03% - 0s 0 0 12598.5571 0 46 12860.0000 12598.5571 2.03% - 0s 0 0 12598.5756 0 50 12860.0000 12598.5756 2.03% - 0s 0 0 12598.9795 0 45 12860.0000 12598.9795 2.03% - 0s 0 0 12599.0949 0 54 12860.0000 12599.0949 2.03% - 0s 0 0 12599.2531 0 42 12860.0000 12599.2531 2.03% - 0s 0 2 12599.2816 0 42 12860.0000 12599.2816 2.03% - 1s * 1104 266 23 12859.000000 12689.5214 1.32% 6.3 4s 1243 251 12759.1667 25 38 12859.0000 12696.1429 1.27% 6.3 5s Cutting planes: Gomory: 5 Zero half: 2 Explored 2461 nodes (15314 simplex iterations) in 6.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285900000000e+04, best bound 1.285900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 719 rows, 1128 columns and 178865 nonzeros Presolve time: 0.10s Presolved: 719 rows, 1128 columns, 178865 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12861.000000 12562.8462 2.32% - 0s 0 0 12584.5000 0 38 12861.0000 12584.5000 2.15% - 0s 0 0 12584.5000 0 46 12861.0000 12584.5000 2.15% - 0s 0 0 12584.5000 0 38 12861.0000 12584.5000 2.15% - 0s 0 0 12589.3554 0 44 12861.0000 12589.3554 2.11% - 0s 0 0 12598.4245 0 38 12861.0000 12598.4245 2.04% - 0s 0 0 12598.8787 0 45 12861.0000 12598.8787 2.04% - 0s 0 0 12599.1081 0 46 12861.0000 12599.1081 2.04% - 0s 0 0 12599.2018 0 54 12861.0000 12599.2018 2.04% - 0s 0 0 12599.6648 0 47 12861.0000 12599.6648 2.03% - 0s 0 0 12599.9076 0 59 12861.0000 12599.9076 2.03% - 0s 0 0 12600.2976 0 56 12861.0000 12600.2976 2.03% - 0s 0 2 12600.5362 0 56 12861.0000 12600.5362 2.03% - 1s * 216 78 28 12860.000000 12660.0000 1.56% 6.0 2s 1355 196 12770.5000 17 23 12860.0000 12740.0000 0.93% 5.9 5s * 1576 180 24 12859.000000 12760.0000 0.77% 6.0 5s Cutting planes: Gomory: 4 Cover: 1 Zero half: 2 Explored 2107 nodes (12709 simplex iterations) in 5.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.285900000000e+04, best bound 1.285900000000e+04, gap 0.0% adding cut for [(4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 720 rows, 1128 columns and 179075 nonzeros Presolve time: 0.10s Presolved: 720 rows, 1128 columns, 179075 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256285e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12562.8462 0 46 47372.0000 12562.8462 73.5% - 0s Another try with MIP start H 0 0 12868.000000 12562.8462 2.37% - 0s 0 0 12584.5000 0 38 12868.0000 12584.5000 2.20% - 0s 0 0 12584.5000 0 46 12868.0000 12584.5000 2.20% - 0s 0 0 12584.5000 0 38 12868.0000 12584.5000 2.20% - 0s 0 0 12589.7304 0 46 12868.0000 12589.7304 2.16% - 0s 0 0 12598.4452 0 41 12868.0000 12598.4452 2.09% - 0s 0 0 12598.5399 0 51 12868.0000 12598.5399 2.09% - 0s 0 0 12598.6429 0 46 12868.0000 12598.6429 2.09% - 0s 0 0 12599.0363 0 52 12868.0000 12599.0363 2.09% - 0s 0 0 12599.2116 0 52 12868.0000 12599.2116 2.09% - 0s 0 0 12599.2290 0 61 12868.0000 12599.2290 2.09% - 0s 0 2 12599.3437 0 61 12868.0000 12599.3437 2.09% - 1s H 113 54 12863.000000 12631.8320 1.80% 5.4 2s * 666 204 47 12862.000000 12690.5000 1.33% 6.7 4s * 940 224 26 12861.000000 12690.5000 1.33% 6.8 4s 1049 236 12794.0000 21 16 12861.0000 12697.4167 1.27% 6.7 5s * 1294 252 27 12860.000000 12723.6667 1.06% 6.5 5s Cutting planes: Gomory: 4 Zero half: 2 Explored 2255 nodes (14577 simplex iterations) in 6.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286000000000e+04, best bound 1.285900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 721 rows, 1128 columns and 179328 nonzeros Presolve time: 0.10s Presolved: 721 rows, 1128 columns, 179328 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12884.000000 12564.4074 2.48% - 0s 0 0 12588.1250 0 35 12884.0000 12588.1250 2.30% - 0s 0 0 12588.1250 0 49 12884.0000 12588.1250 2.30% - 0s 0 0 12588.1250 0 35 12884.0000 12588.1250 2.30% - 0s 0 0 12596.7282 0 45 12884.0000 12596.7282 2.23% - 0s 0 0 12598.4315 0 54 12884.0000 12598.4315 2.22% - 0s 0 0 12598.9185 0 49 12884.0000 12598.9185 2.21% - 0s 0 0 12599.0756 0 57 12884.0000 12599.0756 2.21% - 0s 0 0 12599.7407 0 52 12884.0000 12599.7407 2.21% - 0s 0 0 12599.7978 0 55 12884.0000 12599.7978 2.21% - 1s 0 0 12599.8724 0 64 12884.0000 12599.8724 2.21% - 1s 0 0 12600.2873 0 60 12884.0000 12600.2873 2.20% - 1s 0 0 12600.3837 0 65 12884.0000 12600.3837 2.20% - 1s 0 0 12600.5212 0 65 12884.0000 12600.5212 2.20% - 1s 0 0 12601.0006 0 64 12884.0000 12601.0006 2.20% - 1s 0 0 12601.4054 0 67 12884.0000 12601.4054 2.19% - 1s 0 0 12601.4935 0 68 12884.0000 12601.4935 2.19% - 1s 0 0 12601.9480 0 62 12884.0000 12601.9480 2.19% - 1s 0 0 12602.2116 0 59 12884.0000 12602.2116 2.19% - 1s 0 0 12602.2801 0 58 12884.0000 12602.2801 2.19% - 1s 0 0 12602.3487 0 66 12884.0000 12602.3487 2.19% - 1s 0 0 12602.5227 0 66 12884.0000 12602.5227 2.18% - 1s 0 0 12602.7205 0 72 12884.0000 12602.7205 2.18% - 1s 0 0 12603.2052 0 64 12884.0000 12603.2052 2.18% - 1s 0 0 12603.3165 0 68 12884.0000 12603.3165 2.18% - 1s 0 0 12603.3965 0 69 12884.0000 12603.3965 2.18% - 1s 0 0 12603.5740 0 71 12884.0000 12603.5740 2.18% - 1s 0 0 12603.7222 0 69 12884.0000 12603.7222 2.18% - 1s 0 0 12603.7559 0 70 12884.0000 12603.7559 2.18% - 1s 0 0 12603.7904 0 77 12884.0000 12603.7904 2.17% - 1s 0 2 12603.8194 0 77 12884.0000 12603.8194 2.17% - 2s * 34 20 32 12867.000000 12629.8232 1.84% 7.3 2s * 251 135 17 12863.000000 12660.7326 1.57% 7.2 3s * 342 168 40 12861.000000 12665.1187 1.52% 7.0 3s * 370 173 20 12860.000000 12669.0833 1.48% 7.0 3s 612 249 12714.0000 7 66 12860.0000 12698.3333 1.26% 6.8 5s Cutting planes: Gomory: 6 Zero half: 7 Mod-K: 2 Explored 2231 nodes (15591 simplex iterations) in 8.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286000000000e+04, best bound 1.286000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 722 rows, 1128 columns and 179559 nonzeros Presolve time: 0.10s Presolved: 722 rows, 1128 columns, 179559 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12879.000000 12564.4074 2.44% - 0s 0 0 12588.1250 0 35 12879.0000 12588.1250 2.26% - 0s 0 0 12588.1250 0 49 12879.0000 12588.1250 2.26% - 0s 0 0 12588.1250 0 35 12879.0000 12588.1250 2.26% - 0s 0 0 12598.2857 0 37 12879.0000 12598.2857 2.18% - 0s H 0 0 12877.000000 12598.2857 2.16% - 0s 0 0 12599.3805 0 48 12877.0000 12599.3805 2.16% - 0s 0 0 12600.4892 0 50 12877.0000 12600.4892 2.15% - 0s 0 0 12600.5854 0 55 12877.0000 12600.5854 2.15% - 0s 0 0 12601.1214 0 55 12877.0000 12601.1214 2.14% - 0s 0 0 12601.2150 0 55 12877.0000 12601.2150 2.14% - 1s 0 0 12601.3526 0 62 12877.0000 12601.3526 2.14% - 1s 0 0 12602.1601 0 54 12877.0000 12602.1601 2.13% - 1s 0 0 12602.4629 0 61 12877.0000 12602.4629 2.13% - 1s 0 0 12602.6440 0 61 12877.0000 12602.6440 2.13% - 1s 0 0 12602.9099 0 63 12877.0000 12602.9099 2.13% - 1s 0 0 12603.7607 0 57 12877.0000 12603.7607 2.12% - 1s 0 0 12603.8185 0 66 12877.0000 12603.8185 2.12% - 1s 0 2 12603.8271 0 66 12877.0000 12603.8271 2.12% - 1s H 101 55 12860.000000 12624.5429 1.83% 4.7 2s 637 282 12690.6087 25 26 12860.0000 12690.6087 1.32% 6.1 5s Cutting planes: Gomory: 5 Zero half: 7 Explored 2376 nodes (15225 simplex iterations) in 7.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286000000000e+04, best bound 1.285900000000e+04, gap 0.0078% adding cut for [(2, 10), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (10, 40), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 723 rows, 1128 columns and 179910 nonzeros Presolve time: 0.10s Presolved: 723 rows, 1128 columns, 179910 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12598.1645 0 55 12902.0000 12598.1645 2.35% - 0s 0 0 12600.0136 0 41 12902.0000 12600.0136 2.34% - 0s 0 0 12600.0732 0 64 12902.0000 12600.0732 2.34% - 0s 0 0 12600.2569 0 52 12902.0000 12600.2569 2.34% - 0s 0 0 12600.3704 0 55 12902.0000 12600.3704 2.34% - 0s 0 0 12600.5177 0 61 12902.0000 12600.5177 2.34% - 0s 0 0 12600.7151 0 59 12902.0000 12600.7151 2.34% - 1s 0 0 12601.1244 0 64 12902.0000 12601.1244 2.33% - 1s 0 0 12601.3527 0 67 12902.0000 12601.3527 2.33% - 1s 0 0 12601.6898 0 65 12902.0000 12601.6898 2.33% - 1s 0 0 12601.9839 0 41 12902.0000 12601.9839 2.33% - 1s 0 0 12602.0262 0 65 12902.0000 12602.0262 2.33% - 1s 0 0 12602.0972 0 63 12902.0000 12602.0972 2.32% - 1s 0 0 12602.1317 0 69 12902.0000 12602.1317 2.32% - 1s 0 0 12602.7652 0 61 12902.0000 12602.7652 2.32% - 1s 0 0 12602.8098 0 69 12902.0000 12602.8098 2.32% - 1s 0 0 12602.9278 0 67 12902.0000 12602.9278 2.32% - 1s 0 0 12602.9993 0 73 12902.0000 12602.9993 2.32% - 1s 0 0 12603.0710 0 72 12902.0000 12603.0710 2.32% - 1s 0 0 12603.1171 0 73 12902.0000 12603.1171 2.32% - 1s 0 0 12603.1171 0 73 12902.0000 12603.1171 2.32% - 1s H 0 0 12885.000000 12603.1171 2.19% - 2s 0 2 12603.1889 0 73 12885.0000 12603.1889 2.19% - 2s H 27 16 12884.000000 12610.3556 2.12% 7.2 2s * 48 24 44 12875.000000 12610.3556 2.06% 5.6 2s H 54 26 12870.000000 12611.8902 2.01% 5.9 2s * 237 138 14 12867.000000 12639.2000 1.77% 5.9 2s * 274 147 14 12866.000000 12639.6333 1.76% 5.8 2s * 416 191 7 12865.000000 12667.8571 1.53% 6.0 3s 617 271 12686.0000 14 39 12865.0000 12686.0000 1.39% 6.1 5s * 664 273 40 12861.000000 12686.0000 1.36% 6.7 5s * 1384 217 25 12860.000000 12728.0909 1.03% 6.5 6s Cutting planes: Gomory: 5 Zero half: 5 Mod-K: 2 Explored 2279 nodes (14700 simplex iterations) in 7.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286000000000e+04, best bound 1.285900000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 724 rows, 1128 columns and 180100 nonzeros Presolve time: 0.10s Presolved: 724 rows, 1128 columns, 180100 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12598.1645 0 55 12902.0000 12598.1645 2.35% - 0s 0 0 12600.0136 0 41 12902.0000 12600.0136 2.34% - 0s 0 0 12600.0732 0 64 12902.0000 12600.0732 2.34% - 0s 0 0 12600.2077 0 52 12902.0000 12600.2077 2.34% - 0s 0 0 12600.3012 0 61 12902.0000 12600.3012 2.34% - 1s 0 0 12600.3821 0 59 12902.0000 12600.3821 2.34% - 1s 0 0 12600.4204 0 62 12902.0000 12600.4204 2.34% - 1s 0 0 12600.7441 0 59 12902.0000 12600.7441 2.33% - 1s 0 2 12600.7485 0 59 12902.0000 12600.7485 2.33% - 1s * 75 38 29 12870.000000 12615.7143 1.98% 7.0 2s * 191 107 31 12860.000000 12646.0000 1.66% 6.0 2s 920 222 12775.2500 33 22 12860.0000 12707.7376 1.18% 6.7 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 1 Explored 1864 nodes (11448 simplex iterations) in 6.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286000000000e+04, best bound 1.286000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 725 rows, 1128 columns and 180353 nonzeros Presolve time: 0.10s Presolved: 725 rows, 1128 columns, 180353 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12872.000000 12564.4074 2.39% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12588.1250 0 49 12872.0000 12588.1250 2.21% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12597.9675 0 53 12872.0000 12597.9675 2.13% - 0s 0 0 12600.2024 0 47 12872.0000 12600.2024 2.11% - 0s 0 0 12600.3136 0 60 12872.0000 12600.3136 2.11% - 0s 0 0 12601.3510 0 47 12872.0000 12601.3510 2.10% - 0s 0 0 12601.4989 0 55 12872.0000 12601.4989 2.10% - 0s 0 0 12601.8707 0 51 12872.0000 12601.8707 2.10% - 1s 0 0 12601.9819 0 59 12872.0000 12601.9819 2.10% - 1s 0 0 12601.9938 0 54 12872.0000 12601.9938 2.10% - 1s 0 0 12602.0343 0 62 12872.0000 12602.0343 2.10% - 1s 0 0 12602.1325 0 59 12872.0000 12602.1325 2.10% - 1s 0 0 12602.1710 0 67 12872.0000 12602.1710 2.10% - 1s 0 0 12602.5093 0 54 12872.0000 12602.5093 2.09% - 1s 0 0 12602.5416 0 61 12872.0000 12602.5416 2.09% - 1s 0 0 12602.5566 0 65 12872.0000 12602.5566 2.09% - 1s 0 2 12602.5838 0 65 12872.0000 12602.5838 2.09% - 1s * 62 28 21 12868.000000 12624.7143 1.89% 7.2 2s * 195 104 10 12865.000000 12663.0000 1.57% 5.9 2s * 289 127 10 12861.000000 12678.7059 1.42% 5.7 2s 731 223 12762.5000 31 24 12861.0000 12722.8500 1.07% 6.9 5s * 1954 208 26 12860.000000 12778.4000 0.63% 6.6 6s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 3 Explored 2458 nodes (15850 simplex iterations) in 7.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286000000000e+04, best bound 1.285900000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 23), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 726 rows, 1128 columns and 180606 nonzeros Presolve time: 0.10s Presolved: 726 rows, 1128 columns, 180606 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12869.000000 12564.4074 2.37% - 0s 0 0 12588.1250 0 35 12869.0000 12588.1250 2.18% - 0s 0 0 12588.1250 0 49 12869.0000 12588.1250 2.18% - 0s 0 0 12588.1250 0 35 12869.0000 12588.1250 2.18% - 0s 0 0 12595.6629 0 43 12869.0000 12595.6629 2.12% - 0s 0 0 12596.5083 0 51 12869.0000 12596.5083 2.12% - 0s 0 0 12598.0851 0 53 12869.0000 12598.0851 2.11% - 0s 0 0 12598.2248 0 61 12869.0000 12598.2248 2.10% - 0s 0 0 12599.2549 0 56 12869.0000 12599.2549 2.10% - 1s 0 0 12599.6030 0 60 12869.0000 12599.6030 2.09% - 1s 0 0 12600.6295 0 60 12869.0000 12600.6295 2.09% - 1s 0 0 12600.9595 0 62 12869.0000 12600.9595 2.08% - 1s 0 0 12601.4052 0 64 12869.0000 12601.4052 2.08% - 1s 0 0 12601.7882 0 47 12869.0000 12601.7882 2.08% - 1s 0 0 12601.7930 0 67 12869.0000 12601.7930 2.08% - 1s 0 2 12601.8249 0 67 12869.0000 12601.8249 2.08% - 1s * 191 113 21 12865.000000 12643.1852 1.72% 5.6 2s H 346 160 12863.000000 12681.0345 1.41% 6.3 2s 722 266 12706.2000 32 47 12863.0000 12706.2000 1.22% 6.9 5s * 1093 259 32 12861.000000 12706.2000 1.20% 6.2 5s * 1801 217 28 12860.000000 12768.0000 0.72% 6.1 6s Cutting planes: Gomory: 6 Zero half: 5 Explored 2247 nodes (13635 simplex iterations) in 6.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286000000000e+04, best bound 1.286000000000e+04, gap 0.0% adding cut for [(33, 46), (4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (13, 33), (13, 21), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 727 rows, 1128 columns and 180816 nonzeros Presolve time: 0.10s Presolved: 727 rows, 1128 columns, 180816 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12868.000000 12564.4074 2.36% - 0s 0 0 12588.1250 0 35 12868.0000 12588.1250 2.17% - 0s 0 0 12588.1250 0 49 12868.0000 12588.1250 2.17% - 0s 0 0 12588.1250 0 35 12868.0000 12588.1250 2.17% - 0s 0 0 12595.6629 0 43 12868.0000 12595.6629 2.12% - 0s 0 0 12596.5083 0 51 12868.0000 12596.5083 2.11% - 0s 0 0 12597.9759 0 47 12868.0000 12597.9759 2.10% - 0s 0 0 12598.1908 0 56 12868.0000 12598.1908 2.10% - 0s 0 0 12599.0909 0 58 12868.0000 12599.0909 2.09% - 0s 0 0 12599.2849 0 55 12868.0000 12599.2849 2.09% - 0s 0 0 12599.3049 0 55 12868.0000 12599.3049 2.09% - 1s 0 0 12599.3283 0 63 12868.0000 12599.3283 2.09% - 1s 0 0 12599.8467 0 64 12868.0000 12599.8467 2.08% - 1s 0 0 12600.5401 0 53 12868.0000 12600.5401 2.08% - 1s 0 0 12600.7142 0 62 12868.0000 12600.7142 2.08% - 1s 0 0 12601.4588 0 51 12868.0000 12601.4588 2.07% - 1s 0 0 12601.5427 0 61 12868.0000 12601.5427 2.07% - 1s 0 0 12601.5634 0 62 12868.0000 12601.5634 2.07% - 1s 0 0 12601.8759 0 58 12868.0000 12601.8759 2.07% - 1s 0 0 12602.1499 0 47 12868.0000 12602.1499 2.07% - 1s 0 0 12602.2277 0 66 12868.0000 12602.2277 2.07% - 1s 0 2 12602.2664 0 66 12868.0000 12602.2664 2.07% - 2s * 127 64 47 12863.000000 12665.0444 1.54% 5.7 2s H 521 163 12862.000000 12714.8315 1.14% 6.3 3s * 791 182 6 12861.000000 12750.3333 0.86% 6.5 3s * 1194 122 18 12860.000000 12788.5000 0.56% 6.6 4s Cutting planes: Gomory: 9 Zero half: 15 Explored 1417 nodes (9464 simplex iterations) in 4.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286000000000e+04, best bound 1.285900000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (9, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 728 rows, 1128 columns and 181047 nonzeros Presolve time: 0.10s Presolved: 728 rows, 1128 columns, 181047 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12872.000000 12564.4074 2.39% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12588.1250 0 49 12872.0000 12588.1250 2.21% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12597.9675 0 53 12872.0000 12597.9675 2.13% - 0s 0 0 12600.2024 0 47 12872.0000 12600.2024 2.11% - 0s 0 0 12600.3136 0 60 12872.0000 12600.3136 2.11% - 0s 0 0 12601.3510 0 47 12872.0000 12601.3510 2.10% - 0s 0 0 12601.4989 0 55 12872.0000 12601.4989 2.10% - 0s 0 0 12601.8707 0 51 12872.0000 12601.8707 2.10% - 0s 0 0 12601.9819 0 59 12872.0000 12601.9819 2.10% - 1s 0 0 12601.9938 0 54 12872.0000 12601.9938 2.10% - 1s 0 0 12602.0343 0 62 12872.0000 12602.0343 2.10% - 1s 0 0 12602.1325 0 59 12872.0000 12602.1325 2.10% - 1s 0 0 12602.1710 0 67 12872.0000 12602.1710 2.10% - 1s 0 0 12602.5093 0 54 12872.0000 12602.5093 2.09% - 1s 0 0 12602.5416 0 61 12872.0000 12602.5416 2.09% - 1s 0 0 12602.5566 0 65 12872.0000 12602.5566 2.09% - 1s 0 2 12602.5838 0 65 12872.0000 12602.5838 2.09% - 1s * 62 28 21 12868.000000 12624.7143 1.89% 7.2 2s * 195 104 10 12865.000000 12663.0000 1.57% 5.9 2s * 289 127 10 12861.000000 12678.7059 1.42% 5.7 2s 741 222 12842.8571 34 35 12861.0000 12722.8500 1.07% 6.9 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 3 Explored 2541 nodes (16447 simplex iterations) in 7.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286100000000e+04, best bound 1.286000000000e+04, gap 0.0078% adding cut for [(2, 10), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (12, 13), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 729 rows, 1128 columns and 181278 nonzeros Presolve time: 0.10s Presolved: 729 rows, 1128 columns, 181278 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12862.000000 12564.4074 2.31% - 0s 0 0 12588.1250 0 35 12862.0000 12588.1250 2.13% - 0s 0 0 12588.1250 0 49 12862.0000 12588.1250 2.13% - 0s 0 0 12588.1250 0 35 12862.0000 12588.1250 2.13% - 0s 0 0 12596.7282 0 45 12862.0000 12596.7282 2.06% - 0s 0 0 12598.4315 0 54 12862.0000 12598.4315 2.05% - 0s 0 0 12598.9633 0 49 12862.0000 12598.9633 2.05% - 0s 0 0 12599.1239 0 57 12862.0000 12599.1239 2.04% - 0s 0 0 12599.7162 0 52 12862.0000 12599.7162 2.04% - 0s 0 0 12599.7981 0 54 12862.0000 12599.7981 2.04% - 0s 0 0 12599.8601 0 63 12862.0000 12599.8601 2.04% - 1s 0 0 12599.9713 0 62 12862.0000 12599.9713 2.04% - 1s 0 0 12601.3684 0 64 12862.0000 12601.3684 2.03% - 1s 0 0 12602.0705 0 55 12862.0000 12602.0705 2.02% - 1s 0 0 12602.2183 0 65 12862.0000 12602.2183 2.02% - 1s 0 0 12602.4256 0 58 12862.0000 12602.4256 2.02% - 1s 0 0 12602.6690 0 64 12862.0000 12602.6690 2.02% - 1s 0 0 12602.6775 0 65 12862.0000 12602.6775 2.02% - 1s 0 0 12603.1963 0 52 12862.0000 12603.1963 2.01% - 1s 0 0 12603.2354 0 59 12862.0000 12603.2354 2.01% - 1s 0 0 12603.3694 0 64 12862.0000 12603.3694 2.01% - 1s 0 0 12603.4935 0 65 12862.0000 12603.4935 2.01% - 1s 0 0 12603.6131 0 67 12862.0000 12603.6131 2.01% - 1s 0 0 12603.6414 0 66 12862.0000 12603.6414 2.01% - 1s 0 2 12603.6911 0 66 12862.0000 12603.6911 2.01% - 2s * 395 204 22 12861.000000 12675.3333 1.44% 5.4 3s 644 275 12841.5000 27 14 12861.0000 12706.0000 1.21% 6.4 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 2337 nodes (15276 simplex iterations) in 7.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286100000000e+04, best bound 1.286100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 46), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 730 rows, 1128 columns and 181531 nonzeros Presolve time: 0.10s Presolved: 730 rows, 1128 columns, 181531 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12598.2923 0 48 12902.0000 12598.2923 2.35% - 0s 0 0 12599.7132 0 53 12902.0000 12599.7132 2.34% - 0s 0 0 12600.1020 0 57 12902.0000 12600.1020 2.34% - 0s 0 0 12600.5109 0 53 12902.0000 12600.5109 2.34% - 0s 0 0 12600.5651 0 63 12902.0000 12600.5651 2.34% - 0s 0 0 12600.9217 0 55 12902.0000 12600.9217 2.33% - 0s 0 0 12601.0777 0 50 12902.0000 12601.0777 2.33% - 1s 0 0 12601.1267 0 54 12902.0000 12601.1267 2.33% - 1s 0 0 12601.1622 0 59 12902.0000 12601.1622 2.33% - 1s 0 0 12601.1759 0 61 12902.0000 12601.1759 2.33% - 1s 0 0 12601.5504 0 63 12902.0000 12601.5504 2.33% - 1s 0 0 12601.7768 0 57 12902.0000 12601.7768 2.33% - 1s 0 0 12601.8377 0 57 12902.0000 12601.8377 2.33% - 1s 0 0 12601.9365 0 64 12902.0000 12601.9365 2.33% - 1s H 0 0 12885.000000 12601.9365 2.20% - 1s 0 2 12601.9705 0 64 12885.0000 12601.9705 2.20% - 2s H 54 20 12871.000000 12614.0185 2.00% 4.6 2s * 293 122 11 12864.000000 12671.7391 1.49% 5.7 2s H 600 192 12862.000000 12701.8000 1.25% 6.1 3s 632 208 12850.6667 23 30 12862.0000 12701.8000 1.25% 6.6 5s * 1740 131 26 12861.000000 12793.6667 0.52% 6.2 6s Cutting planes: Gomory: 3 Zero half: 4 Explored 1976 nodes (12298 simplex iterations) in 6.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286100000000e+04, best bound 1.286000000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (23, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 731 rows, 1128 columns and 181762 nonzeros Presolve time: 0.10s Presolved: 731 rows, 1128 columns, 181762 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12598.2923 0 48 12902.0000 12598.2923 2.35% - 0s 0 0 12599.7132 0 53 12902.0000 12599.7132 2.34% - 0s 0 0 12600.1020 0 57 12902.0000 12600.1020 2.34% - 0s 0 0 12600.5109 0 53 12902.0000 12600.5109 2.34% - 0s 0 0 12600.5651 0 63 12902.0000 12600.5651 2.34% - 0s 0 0 12600.9217 0 55 12902.0000 12600.9217 2.33% - 0s 0 0 12601.0777 0 50 12902.0000 12601.0777 2.33% - 1s 0 0 12601.1267 0 54 12902.0000 12601.1267 2.33% - 1s 0 0 12601.1622 0 59 12902.0000 12601.1622 2.33% - 1s 0 0 12601.1759 0 61 12902.0000 12601.1759 2.33% - 1s 0 0 12601.5504 0 63 12902.0000 12601.5504 2.33% - 1s 0 0 12601.7768 0 57 12902.0000 12601.7768 2.33% - 1s 0 0 12601.8836 0 55 12902.0000 12601.8836 2.33% - 1s 0 0 12601.9741 0 65 12902.0000 12601.9741 2.33% - 1s H 0 0 12885.000000 12601.9741 2.20% - 1s 0 2 12602.0115 0 65 12885.0000 12602.0115 2.20% - 2s H 54 23 12867.000000 12614.2190 1.96% 5.1 2s * 76 32 41 12864.000000 12614.2190 1.94% 4.4 2s * 673 211 25 12863.000000 12695.1667 1.30% 6.4 4s 782 239 12779.0000 25 32 12863.0000 12695.1667 1.30% 6.5 5s * 945 232 27 12862.000000 12697.5429 1.28% 6.1 5s * 1052 224 21 12861.000000 12712.3333 1.16% 6.1 5s Cutting planes: Gomory: 5 Zero half: 5 Explored 1943 nodes (11586 simplex iterations) in 6.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286100000000e+04, best bound 1.286100000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 46), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 732 rows, 1128 columns and 182015 nonzeros Presolve time: 0.10s Presolved: 732 rows, 1128 columns, 182015 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12598.2923 0 48 12902.0000 12598.2923 2.35% - 0s 0 0 12599.7132 0 53 12902.0000 12599.7132 2.34% - 0s 0 0 12600.1020 0 57 12902.0000 12600.1020 2.34% - 0s 0 0 12600.5109 0 53 12902.0000 12600.5109 2.34% - 0s 0 0 12600.5651 0 63 12902.0000 12600.5651 2.34% - 0s 0 0 12600.9217 0 55 12902.0000 12600.9217 2.33% - 0s 0 0 12601.0777 0 50 12902.0000 12601.0777 2.33% - 1s 0 0 12601.1267 0 54 12902.0000 12601.1267 2.33% - 1s 0 0 12601.1622 0 59 12902.0000 12601.1622 2.33% - 1s 0 0 12601.1759 0 61 12902.0000 12601.1759 2.33% - 1s 0 0 12601.5504 0 63 12902.0000 12601.5504 2.33% - 1s 0 0 12601.7768 0 57 12902.0000 12601.7768 2.33% - 1s 0 0 12601.8465 0 57 12902.0000 12601.8465 2.33% - 1s 0 0 12601.9431 0 60 12902.0000 12601.9431 2.33% - 1s 0 0 12601.9453 0 65 12902.0000 12601.9453 2.33% - 1s 0 0 12601.9552 0 69 12902.0000 12601.9552 2.33% - 1s 0 0 12602.4043 0 66 12902.0000 12602.4043 2.32% - 1s 0 0 12602.6590 0 65 12902.0000 12602.6590 2.32% - 1s 0 0 12603.0430 0 62 12902.0000 12603.0430 2.32% - 1s 0 0 12603.1308 0 64 12902.0000 12603.1308 2.32% - 1s 0 0 12603.2149 0 69 12902.0000 12603.2149 2.32% - 1s H 0 0 12885.000000 12603.2149 2.19% - 2s 0 2 12603.2953 0 69 12885.0000 12603.2953 2.19% - 2s * 89 30 87 12871.000000 12632.4000 1.85% 3.6 2s * 138 59 21 12868.000000 12633.3458 1.82% 4.0 3s H 267 113 12866.000000 12659.8782 1.60% 4.7 3s * 269 114 15 12865.000000 12659.8782 1.59% 4.8 3s * 306 114 21 12863.000000 12675.6667 1.46% 4.8 3s 612 176 12756.0000 14 68 12863.0000 12714.0000 1.16% 5.4 5s * 952 172 22 12862.000000 12714.0000 1.15% 6.0 6s * 1984 3 19 12861.000000 12859.6667 0.01% 5.9 7s Cutting planes: Gomory: 5 Zero half: 7 Explored 1986 nodes (12188 simplex iterations) in 7.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286100000000e+04, best bound 1.286000000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 23), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 733 rows, 1128 columns and 182268 nonzeros Presolve time: 0.10s Presolved: 733 rows, 1128 columns, 182268 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12869.000000 12564.4074 2.37% - 0s 0 0 12588.1250 0 35 12869.0000 12588.1250 2.18% - 0s 0 0 12588.1250 0 49 12869.0000 12588.1250 2.18% - 0s 0 0 12588.1250 0 35 12869.0000 12588.1250 2.18% - 0s 0 0 12595.6629 0 43 12869.0000 12595.6629 2.12% - 0s 0 0 12596.5083 0 51 12869.0000 12596.5083 2.12% - 0s 0 0 12598.0606 0 47 12869.0000 12598.0606 2.11% - 0s 0 0 12598.5936 0 59 12869.0000 12598.5936 2.10% - 0s 0 0 12598.8844 0 58 12869.0000 12598.8844 2.10% - 0s 0 0 12599.0777 0 58 12869.0000 12599.0777 2.10% - 0s 0 0 12599.4244 0 56 12869.0000 12599.4244 2.09% - 1s 0 0 12599.5901 0 62 12869.0000 12599.5901 2.09% - 1s 0 0 12599.5999 0 63 12869.0000 12599.5999 2.09% - 1s 0 0 12600.0906 0 58 12869.0000 12600.0906 2.09% - 1s 0 0 12600.7293 0 54 12869.0000 12600.7293 2.08% - 1s 0 0 12600.8329 0 62 12869.0000 12600.8329 2.08% - 1s 0 0 12600.8836 0 56 12869.0000 12600.8836 2.08% - 1s 0 0 12601.2116 0 62 12869.0000 12601.2116 2.08% - 1s 0 0 12601.3422 0 63 12869.0000 12601.3422 2.08% - 1s 0 0 12601.4993 0 66 12869.0000 12601.4993 2.08% - 1s 0 2 12601.5648 0 66 12869.0000 12601.5648 2.08% - 1s H 54 33 12868.000000 12643.0159 1.75% 8.7 2s * 227 123 20 12865.000000 12666.0000 1.55% 5.8 2s * 387 183 11 12864.000000 12685.7500 1.39% 6.5 2s 611 265 12695.8750 11 64 12864.0000 12695.8750 1.31% 6.5 5s * 903 281 20 12862.000000 12695.8750 1.29% 7.2 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 2708 nodes (18393 simplex iterations) in 8.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286200000000e+04, best bound 1.286100000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (12, 21), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 734 rows, 1128 columns and 182478 nonzeros Presolve time: 0.10s Presolved: 734 rows, 1128 columns, 182478 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12891.000000 12564.4074 2.53% - 0s 0 0 12588.1250 0 35 12891.0000 12588.1250 2.35% - 0s 0 0 12588.1250 0 49 12891.0000 12588.1250 2.35% - 0s 0 0 12588.1250 0 35 12891.0000 12588.1250 2.35% - 0s 0 0 12596.7034 0 43 12891.0000 12596.7034 2.28% - 0s 0 0 12599.1340 0 48 12891.0000 12599.1340 2.26% - 0s 0 0 12599.2305 0 53 12891.0000 12599.2305 2.26% - 0s 0 0 12599.5929 0 50 12891.0000 12599.5929 2.26% - 0s 0 0 12599.6872 0 58 12891.0000 12599.6872 2.26% - 1s 0 0 12599.8614 0 51 12891.0000 12599.8614 2.26% - 1s 0 0 12599.9821 0 63 12891.0000 12599.9821 2.26% - 1s 0 0 12600.2822 0 56 12891.0000 12600.2822 2.26% - 1s 0 0 12600.3765 0 60 12891.0000 12600.3765 2.25% - 1s 0 0 12600.3793 0 63 12891.0000 12600.3793 2.25% - 1s 0 0 12601.1284 0 49 12891.0000 12601.1284 2.25% - 1s 0 0 12601.3338 0 58 12891.0000 12601.3338 2.25% - 1s 0 0 12601.5139 0 53 12891.0000 12601.5139 2.25% - 1s 0 0 12601.5924 0 61 12891.0000 12601.5924 2.25% - 1s 0 0 12601.7542 0 62 12891.0000 12601.7542 2.24% - 1s 0 0 12602.3498 0 61 12891.0000 12602.3498 2.24% - 1s 0 0 12602.5421 0 66 12891.0000 12602.5421 2.24% - 1s 0 0 12603.0417 0 47 12891.0000 12603.0417 2.23% - 1s 0 0 12603.1442 0 52 12891.0000 12603.1442 2.23% - 1s 0 0 12603.3682 0 63 12891.0000 12603.3682 2.23% - 1s 0 0 12603.5828 0 62 12891.0000 12603.5828 2.23% - 1s 0 0 12603.7064 0 61 12891.0000 12603.7064 2.23% - 1s 0 2 12603.9219 0 61 12891.0000 12603.9219 2.23% - 2s H 54 37 12877.000000 12633.1437 1.89% 5.9 2s * 185 114 21 12872.000000 12657.5000 1.67% 5.3 2s * 186 113 22 12871.000000 12657.5000 1.66% 5.3 2s * 317 161 12 12868.000000 12677.3701 1.48% 5.5 3s H 356 164 12863.000000 12678.0000 1.44% 5.7 3s 614 260 12697.0000 11 38 12863.0000 12697.0000 1.29% 6.3 5s * 1037 304 25 12862.000000 12700.7527 1.25% 7.3 6s Cutting planes: Gomory: 4 Zero half: 6 Explored 3525 nodes (21942 simplex iterations) in 9.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286200000000e+04, best bound 1.286200000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 735 rows, 1128 columns and 182754 nonzeros Presolve time: 0.11s Presolved: 735 rows, 1128 columns, 182754 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12871.000000 12564.4074 2.38% - 0s 0 0 12588.1250 0 35 12871.0000 12588.1250 2.20% - 0s 0 0 12588.1250 0 49 12871.0000 12588.1250 2.20% - 0s 0 0 12588.1250 0 35 12871.0000 12588.1250 2.20% - 0s 0 0 12597.9675 0 53 12871.0000 12597.9675 2.12% - 0s 0 0 12600.2024 0 47 12871.0000 12600.2024 2.10% - 0s 0 0 12600.3136 0 60 12871.0000 12600.3136 2.10% - 0s 0 0 12601.3510 0 47 12871.0000 12601.3510 2.10% - 0s 0 0 12601.4989 0 55 12871.0000 12601.4989 2.09% - 0s 0 0 12601.7669 0 51 12871.0000 12601.7669 2.09% - 0s 0 0 12601.8361 0 59 12871.0000 12601.8361 2.09% - 1s 0 0 12601.9278 0 63 12871.0000 12601.9278 2.09% - 1s 0 0 12602.3287 0 60 12871.0000 12602.3287 2.09% - 1s 0 0 12602.4912 0 62 12871.0000 12602.4912 2.09% - 1s 0 0 12602.9416 0 60 12871.0000 12602.9416 2.08% - 1s 0 0 12602.9745 0 65 12871.0000 12602.9745 2.08% - 1s 0 0 12603.0804 0 65 12871.0000 12603.0804 2.08% - 1s 0 2 12603.1114 0 65 12871.0000 12603.1114 2.08% - 1s H 54 19 12863.000000 12632.6667 1.79% 5.7 2s 618 247 12758.6875 13 42 12863.0000 12715.6667 1.15% 6.0 5s * 624 232 16 12862.000000 12715.6667 1.14% 6.1 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 3 Explored 2080 nodes (12591 simplex iterations) in 7.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286200000000e+04, best bound 1.286100000000e+04, gap 0.0078% adding cut for [(33, 46), (2, 9), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 736 rows, 1128 columns and 182964 nonzeros Presolve time: 0.11s Presolved: 736 rows, 1128 columns, 182964 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12863.000000 12564.4074 2.32% - 0s 0 0 12588.1250 0 35 12863.0000 12588.1250 2.14% - 0s 0 0 12588.1250 0 49 12863.0000 12588.1250 2.14% - 0s 0 0 12588.1250 0 35 12863.0000 12588.1250 2.14% - 0s 0 0 12598.2923 0 48 12863.0000 12598.2923 2.06% - 0s 0 0 12599.7193 0 53 12863.0000 12599.7193 2.05% - 0s 0 0 12599.9565 0 56 12863.0000 12599.9565 2.04% - 0s 0 0 12600.5400 0 51 12863.0000 12600.5400 2.04% - 0s 0 0 12600.6480 0 59 12863.0000 12600.6480 2.04% - 0s 0 0 12600.9890 0 56 12863.0000 12600.9890 2.04% - 0s 0 0 12601.3234 0 57 12863.0000 12601.3234 2.03% - 1s 0 0 12601.3903 0 64 12863.0000 12601.3903 2.03% - 1s 0 0 12601.4539 0 61 12863.0000 12601.4539 2.03% - 1s 0 2 12601.7951 0 61 12863.0000 12601.7951 2.03% - 1s * 281 132 26 12862.000000 12679.6667 1.42% 5.0 2s 996 253 12812.1667 30 25 12862.0000 12716.7200 1.13% 6.1 5s Cutting planes: Gomory: 5 Zero half: 5 Explored 2165 nodes (13959 simplex iterations) in 6.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286200000000e+04, best bound 1.286200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 737 rows, 1128 columns and 183195 nonzeros Presolve time: 0.11s Presolved: 737 rows, 1128 columns, 183195 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12596.5000 0 33 12902.0000 12596.5000 2.37% - 0s 0 0 12598.5738 0 46 12902.0000 12598.5738 2.35% - 0s 0 0 12599.1576 0 56 12902.0000 12599.1576 2.35% - 0s 0 0 12600.0203 0 50 12902.0000 12600.0203 2.34% - 0s 0 0 12600.2232 0 61 12902.0000 12600.2232 2.34% - 1s 0 0 12600.4189 0 58 12902.0000 12600.4189 2.34% - 1s 0 0 12600.7888 0 64 12902.0000 12600.7888 2.33% - 1s 0 0 12601.2635 0 57 12902.0000 12601.2635 2.33% - 1s 0 0 12601.3275 0 64 12902.0000 12601.3275 2.33% - 1s 0 0 12602.3477 0 55 12902.0000 12602.3477 2.32% - 1s 0 0 12602.4000 0 63 12902.0000 12602.4000 2.32% - 1s 0 0 12602.5449 0 58 12902.0000 12602.5449 2.32% - 1s 0 0 12602.5614 0 62 12902.0000 12602.5614 2.32% - 1s 0 0 12602.5695 0 67 12902.0000 12602.5695 2.32% - 1s H 0 0 12881.000000 12602.5695 2.16% - 2s 0 2 12602.6147 0 67 12881.0000 12602.6147 2.16% - 2s * 66 24 64 12871.000000 12635.9286 1.83% 5.9 2s * 145 76 24 12870.000000 12659.0000 1.64% 5.6 2s * 175 88 24 12865.000000 12665.2500 1.55% 5.7 2s * 246 100 13 12864.000000 12679.2500 1.44% 6.2 2s H 250 97 12863.000000 12679.2716 1.43% 6.3 3s 613 244 12801.0000 22 67 12863.0000 12707.7500 1.21% 5.9 5s * 1719 271 28 12862.000000 12743.2778 0.92% 6.7 6s Cutting planes: Gomory: 5 Zero half: 6 Mod-K: 1 Explored 2582 nodes (16705 simplex iterations) in 7.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286200000000e+04, best bound 1.286200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (12, 24), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 738 rows, 1128 columns and 183520 nonzeros Presolve time: 0.10s Presolved: 738 rows, 1128 columns, 183520 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12564.4074 2.52% - 0s 0 0 12588.1250 0 35 12889.0000 12588.1250 2.33% - 0s 0 0 12588.1250 0 49 12889.0000 12588.1250 2.33% - 0s 0 0 12588.1250 0 35 12889.0000 12588.1250 2.33% - 0s 0 0 12596.5000 0 33 12889.0000 12596.5000 2.27% - 0s 0 0 12600.4839 0 44 12889.0000 12600.4839 2.24% - 0s 0 0 12600.6027 0 52 12889.0000 12600.6027 2.24% - 0s 0 0 12600.8861 0 45 12889.0000 12600.8861 2.24% - 0s 0 0 12600.9853 0 52 12889.0000 12600.9853 2.23% - 1s 0 0 12601.0140 0 56 12889.0000 12601.0140 2.23% - 1s 0 0 12601.3349 0 55 12889.0000 12601.3349 2.23% - 1s 0 0 12601.4869 0 60 12889.0000 12601.4869 2.23% - 1s 0 0 12602.2604 0 58 12889.0000 12602.2604 2.22% - 1s 0 0 12602.4407 0 60 12889.0000 12602.4407 2.22% - 1s 0 0 12602.4738 0 64 12889.0000 12602.4738 2.22% - 1s 0 0 12603.2281 0 54 12889.0000 12603.2281 2.22% - 1s 0 0 12603.3450 0 62 12889.0000 12603.3450 2.22% - 1s 0 0 12603.4796 0 64 12889.0000 12603.4796 2.22% - 1s 0 0 12603.6217 0 56 12889.0000 12603.6217 2.21% - 1s 0 0 12603.7279 0 69 12889.0000 12603.7279 2.21% - 1s 0 0 12603.9998 0 72 12889.0000 12603.9998 2.21% - 1s 0 0 12604.1288 0 73 12889.0000 12604.1288 2.21% - 1s 0 0 12604.1669 0 72 12889.0000 12604.1669 2.21% - 1s 0 2 12604.3843 0 72 12889.0000 12604.3843 2.21% - 2s H 27 20 12864.000000 12634.2821 1.79% 5.7 2s H 380 189 12863.000000 12668.3333 1.51% 5.9 3s 614 289 12742.0588 48 72 12863.0000 12699.0836 1.27% 5.8 5s * 1261 325 27 12862.000000 12708.5000 1.19% 7.2 6s Cutting planes: Gomory: 4 Zero half: 10 Mod-K: 1 Explored 2851 nodes (19478 simplex iterations) in 9.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286200000000e+04, best bound 1.286200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36)] Optimize a model with 739 rows, 1128 columns and 183751 nonzeros Presolve time: 0.11s Presolved: 739 rows, 1128 columns, 183751 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12596.5000 0 33 12902.0000 12596.5000 2.37% - 0s 0 0 12598.5738 0 46 12902.0000 12598.5738 2.35% - 0s 0 0 12599.1576 0 56 12902.0000 12599.1576 2.35% - 0s 0 0 12600.0203 0 50 12902.0000 12600.0203 2.34% - 1s 0 0 12600.2232 0 61 12902.0000 12600.2232 2.34% - 1s 0 0 12600.5937 0 53 12902.0000 12600.5937 2.34% - 1s 0 0 12600.6956 0 56 12902.0000 12600.6956 2.34% - 1s 0 0 12600.7805 0 63 12902.0000 12600.7805 2.33% - 1s 0 0 12601.4230 0 59 12902.0000 12601.4230 2.33% - 1s 0 0 12601.7793 0 67 12902.0000 12601.7793 2.33% - 1s 0 0 12602.0359 0 60 12902.0000 12602.0359 2.32% - 1s 0 0 12602.0840 0 61 12902.0000 12602.0840 2.32% - 1s 0 0 12602.1737 0 67 12902.0000 12602.1737 2.32% - 1s H 0 0 12881.000000 12602.1737 2.16% - 1s H 0 0 12866.000000 12602.1737 2.05% - 2s 0 2 12602.2007 0 67 12866.0000 12602.2007 2.05% - 2s * 110 53 25 12865.000000 12648.7895 1.68% 5.6 2s * 143 65 16 12863.000000 12651.7143 1.64% 6.1 2s * 464 184 15 12862.000000 12688.6667 1.35% 5.6 3s 615 224 12700.0556 12 46 12862.0000 12700.0556 1.26% 6.0 5s Cutting planes: Gomory: 5 Zero half: 8 Explored 2314 nodes (14955 simplex iterations) in 7.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286200000000e+04, best bound 1.286200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 740 rows, 1128 columns and 183961 nonzeros Presolve time: 0.11s Presolved: 740 rows, 1128 columns, 183961 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12864.000000 12564.4074 2.33% - 0s 0 0 12588.1250 0 35 12864.0000 12588.1250 2.14% - 0s 0 0 12588.1250 0 49 12864.0000 12588.1250 2.14% - 0s 0 0 12588.1250 0 35 12864.0000 12588.1250 2.14% - 0s 0 0 12598.2923 0 48 12864.0000 12598.2923 2.07% - 0s 0 0 12599.7110 0 53 12864.0000 12599.7110 2.05% - 0s 0 0 12599.9676 0 56 12864.0000 12599.9676 2.05% - 0s 0 0 12600.5400 0 51 12864.0000 12600.5400 2.05% - 0s 0 0 12600.6223 0 59 12864.0000 12600.6223 2.05% - 0s 0 0 12600.9571 0 56 12864.0000 12600.9571 2.04% - 0s 0 0 12600.9769 0 61 12864.0000 12600.9769 2.04% - 1s 0 0 12601.5391 0 55 12864.0000 12601.5391 2.04% - 1s 0 0 12601.5513 0 63 12864.0000 12601.5513 2.04% - 1s 0 0 12601.5604 0 56 12864.0000 12601.5604 2.04% - 1s 0 0 12601.5912 0 64 12864.0000 12601.5912 2.04% - 1s 0 0 12601.6348 0 58 12864.0000 12601.6348 2.04% - 1s 0 0 12601.6906 0 66 12864.0000 12601.6906 2.04% - 1s 0 0 12601.8351 0 59 12864.0000 12601.8351 2.04% - 1s 0 0 12601.9085 0 70 12864.0000 12601.9085 2.04% - 1s 0 0 12602.2725 0 56 12864.0000 12602.2725 2.03% - 1s 0 0 12602.3431 0 66 12864.0000 12602.3431 2.03% - 1s 0 0 12602.3630 0 64 12864.0000 12602.3630 2.03% - 1s 0 0 12602.4120 0 57 12864.0000 12602.4120 2.03% - 1s 0 2 12602.4619 0 57 12864.0000 12602.4619 2.03% - 2s * 447 214 10 12863.000000 12688.0154 1.36% 5.9 3s 617 264 12705.0000 15 36 12863.0000 12705.0000 1.23% 6.3 5s Cutting planes: Gomory: 5 Zero half: 6 Mod-K: 2 Explored 2178 nodes (14253 simplex iterations) in 7.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286300000000e+04, best bound 1.286200000000e+04, gap 0.0078% adding cut for [(2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 741 rows, 1128 columns and 184214 nonzeros Presolve time: 0.11s Presolved: 741 rows, 1128 columns, 184214 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12872.000000 12564.4074 2.39% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12588.1250 0 49 12872.0000 12588.1250 2.21% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12592.7407 0 52 12872.0000 12592.7407 2.17% - 0s 0 0 12598.0745 0 52 12872.0000 12598.0745 2.13% - 0s 0 0 12598.2126 0 53 12872.0000 12598.2126 2.13% - 0s 0 0 12598.3889 0 60 12872.0000 12598.3889 2.13% - 0s 0 0 12599.2881 0 62 12872.0000 12599.2881 2.12% - 0s 0 0 12599.9987 0 66 12872.0000 12599.9987 2.11% - 0s 0 0 12600.5616 0 60 12872.0000 12600.5616 2.11% - 1s 0 0 12600.5767 0 65 12872.0000 12600.5767 2.11% - 1s 0 0 12600.5872 0 60 12872.0000 12600.5872 2.11% - 1s 0 0 12600.6315 0 64 12872.0000 12600.6315 2.11% - 1s 0 0 12600.8253 0 63 12872.0000 12600.8253 2.11% - 1s 0 0 12601.1026 0 64 12872.0000 12601.1026 2.10% - 1s 0 0 12601.4976 0 68 12872.0000 12601.4976 2.10% - 1s 0 0 12601.8444 0 49 12872.0000 12601.8444 2.10% - 1s 0 0 12601.9601 0 60 12872.0000 12601.9601 2.10% - 1s 0 0 12601.9981 0 64 12872.0000 12601.9981 2.10% - 1s 0 0 12602.2742 0 65 12872.0000 12602.2742 2.10% - 1s 0 0 12602.4256 0 69 12872.0000 12602.4256 2.09% - 1s 0 0 12602.4664 0 69 12872.0000 12602.4664 2.09% - 1s 0 0 12602.4864 0 66 12872.0000 12602.4864 2.09% - 1s H 0 0 12864.000000 12602.4864 2.03% - 2s 0 2 12602.6129 0 66 12864.0000 12602.6129 2.03% - 2s * 290 122 17 12863.000000 12685.5318 1.38% 7.6 3s 612 219 12728.2000 8 70 12863.0000 12722.0000 1.10% 6.8 5s Cutting planes: Gomory: 4 Zero half: 9 Explored 2278 nodes (15559 simplex iterations) in 8.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286300000000e+04, best bound 1.286300000000e+04, gap 0.0% adding cut for [(33, 46), (4, 40), (7, 37), (7, 28), (10, 40), (10, 31), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 44)] Optimize a model with 742 rows, 1128 columns and 184424 nonzeros Presolve time: 0.11s Presolved: 742 rows, 1128 columns, 184424 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12875.000000 12564.4074 2.41% - 0s 0 0 12588.1250 0 35 12875.0000 12588.1250 2.23% - 0s 0 0 12588.1250 0 49 12875.0000 12588.1250 2.23% - 0s 0 0 12588.1250 0 35 12875.0000 12588.1250 2.23% - 0s 0 0 12597.9000 0 56 12875.0000 12597.9000 2.15% - 0s 0 0 12601.1030 0 46 12875.0000 12601.1030 2.13% - 0s 0 0 12601.2968 0 60 12875.0000 12601.2968 2.13% - 0s 0 0 12601.7521 0 59 12875.0000 12601.7521 2.12% - 0s 0 0 12601.9970 0 64 12875.0000 12601.9970 2.12% - 0s 0 0 12602.8292 0 55 12875.0000 12602.8292 2.11% - 1s 0 0 12602.9425 0 56 12875.0000 12602.9425 2.11% - 1s 0 0 12602.9656 0 65 12875.0000 12602.9656 2.11% - 1s 0 0 12603.1830 0 56 12875.0000 12603.1830 2.11% - 1s 0 0 12603.1962 0 63 12875.0000 12603.1962 2.11% - 1s 0 0 12603.3191 0 68 12875.0000 12603.3191 2.11% - 1s 0 0 12603.7616 0 54 12875.0000 12603.7616 2.11% - 1s 0 0 12603.8723 0 63 12875.0000 12603.8723 2.11% - 1s 0 0 12604.0008 0 59 12875.0000 12604.0008 2.10% - 1s 0 0 12604.0492 0 53 12875.0000 12604.0492 2.10% - 1s 0 0 12604.0584 0 61 12875.0000 12604.0584 2.10% - 1s 0 0 12604.1291 0 62 12875.0000 12604.1291 2.10% - 1s 0 0 12604.2065 0 65 12875.0000 12604.2065 2.10% - 1s 0 0 12604.2569 0 63 12875.0000 12604.2569 2.10% - 1s 0 0 12604.4547 0 64 12875.0000 12604.4547 2.10% - 1s 0 0 12604.5078 0 58 12875.0000 12604.5078 2.10% - 1s 0 0 12604.5116 0 62 12875.0000 12604.5116 2.10% - 1s 0 0 12604.5566 0 67 12875.0000 12604.5566 2.10% - 1s 0 0 12604.5936 0 66 12875.0000 12604.5936 2.10% - 1s 0 0 12604.6861 0 68 12875.0000 12604.6861 2.10% - 1s 0 2 12604.7203 0 68 12875.0000 12604.7203 2.10% - 2s * 212 118 13 12870.000000 12647.4138 1.73% 6.1 3s * 215 119 15 12866.000000 12647.4138 1.70% 6.1 3s * 374 164 47 12865.000000 12673.4167 1.49% 6.3 3s * 388 166 14 12864.000000 12685.1369 1.39% 6.4 3s * 424 169 22 12863.000000 12699.0000 1.27% 6.3 3s 603 203 12830.5000 67 49 12863.0000 12714.7143 1.15% 6.7 5s Cutting planes: Gomory: 5 Zero half: 8 Mod-K: 1 Explored 2109 nodes (14769 simplex iterations) in 8.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286300000000e+04, best bound 1.286200000000e+04, gap 0.0078% adding cut for [(2, 10), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 743 rows, 1128 columns and 184700 nonzeros Presolve time: 0.11s Presolved: 743 rows, 1128 columns, 184700 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12871.000000 12564.4074 2.38% - 0s 0 0 12588.1250 0 35 12871.0000 12588.1250 2.20% - 0s 0 0 12588.1250 0 49 12871.0000 12588.1250 2.20% - 0s 0 0 12588.1250 0 35 12871.0000 12588.1250 2.20% - 0s 0 0 12592.7407 0 52 12871.0000 12592.7407 2.16% - 0s 0 0 12598.0745 0 52 12871.0000 12598.0745 2.12% - 0s 0 0 12598.2126 0 53 12871.0000 12598.2126 2.12% - 0s 0 0 12598.3445 0 60 12871.0000 12598.3445 2.12% - 0s 0 0 12599.2763 0 49 12871.0000 12599.2763 2.11% - 0s 0 0 12599.4247 0 61 12871.0000 12599.4247 2.11% - 1s 0 0 12600.0995 0 53 12871.0000 12600.0995 2.10% - 1s 0 0 12600.1497 0 63 12871.0000 12600.1497 2.10% - 1s 0 0 12600.5207 0 62 12871.0000 12600.5207 2.10% - 1s 0 0 12600.6560 0 55 12871.0000 12600.6560 2.10% - 1s 0 0 12600.7547 0 63 12871.0000 12600.7547 2.10% - 1s 0 0 12600.8468 0 57 12871.0000 12600.8468 2.10% - 1s 0 0 12600.9342 0 65 12871.0000 12600.9342 2.10% - 1s 0 0 12601.0362 0 63 12871.0000 12601.0362 2.10% - 1s 0 0 12601.6975 0 65 12871.0000 12601.6975 2.09% - 1s 0 0 12602.0000 0 46 12871.0000 12602.0000 2.09% - 1s 0 0 12602.0385 0 68 12871.0000 12602.0385 2.09% - 1s 0 0 12602.2078 0 67 12871.0000 12602.2078 2.09% - 1s 0 0 12602.4540 0 70 12871.0000 12602.4540 2.09% - 1s 0 0 12602.5293 0 75 12871.0000 12602.5293 2.09% - 1s 0 0 12602.6787 0 57 12871.0000 12602.6787 2.08% - 1s 0 0 12602.7018 0 65 12871.0000 12602.7018 2.08% - 1s 0 2 12602.7568 0 65 12871.0000 12602.7568 2.08% - 2s * 203 90 24 12864.000000 12641.0000 1.73% 7.2 3s * 542 214 11 12863.000000 12690.0525 1.34% 7.3 3s 801 267 12848.5293 38 35 12863.0000 12713.6875 1.16% 7.3 5s 2807 14 12851.9845 41 37 12863.0000 12851.9845 0.09% 7.5 10s Cutting planes: Gomory: 4 Zero half: 10 Explored 2821 nodes (21507 simplex iterations) in 10.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286300000000e+04, best bound 1.286200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 744 rows, 1128 columns and 184976 nonzeros Presolve time: 0.11s Presolved: 744 rows, 1128 columns, 184976 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12596.5000 0 33 12902.0000 12596.5000 2.37% - 0s 0 0 12598.5738 0 46 12902.0000 12598.5738 2.35% - 0s 0 0 12599.1576 0 56 12902.0000 12599.1576 2.35% - 0s 0 0 12600.0203 0 50 12902.0000 12600.0203 2.34% - 0s 0 0 12600.2053 0 63 12902.0000 12600.2053 2.34% - 1s 0 0 12601.1505 0 52 12902.0000 12601.1505 2.33% - 1s 0 0 12601.2276 0 60 12902.0000 12601.2276 2.33% - 1s 0 0 12601.7670 0 55 12902.0000 12601.7670 2.33% - 1s 0 0 12601.8505 0 63 12902.0000 12601.8505 2.33% - 1s 0 0 12602.5203 0 54 12902.0000 12602.5203 2.32% - 1s 0 0 12602.5369 0 62 12902.0000 12602.5369 2.32% - 1s 0 2 12602.5558 0 62 12902.0000 12602.5558 2.32% - 2s * 89 40 88 12871.000000 12635.9286 1.83% 4.2 2s * 124 62 17 12870.000000 12638.2857 1.80% 4.9 2s * 226 117 9 12863.000000 12654.4000 1.62% 5.4 2s 667 218 12737.4000 49 25 12863.0000 12711.5000 1.18% 6.7 5s Cutting planes: Gomory: 6 Zero half: 4 Explored 2259 nodes (14555 simplex iterations) in 7.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286300000000e+04, best bound 1.286200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 745 rows, 1128 columns and 185276 nonzeros Presolve time: 0.11s Presolved: 745 rows, 1128 columns, 185276 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12564.4074 2.52% - 0s 0 0 12588.1250 0 35 12889.0000 12588.1250 2.33% - 0s 0 0 12588.1250 0 49 12889.0000 12588.1250 2.33% - 0s 0 0 12588.1250 0 35 12889.0000 12588.1250 2.33% - 0s 0 0 12596.5000 0 33 12889.0000 12596.5000 2.27% - 0s 0 0 12600.4839 0 44 12889.0000 12600.4839 2.24% - 0s 0 0 12600.5972 0 52 12889.0000 12600.5972 2.24% - 0s 0 0 12600.8861 0 45 12889.0000 12600.8861 2.24% - 0s 0 0 12600.9658 0 52 12889.0000 12600.9658 2.23% - 1s 0 0 12601.0140 0 56 12889.0000 12601.0140 2.23% - 1s 0 0 12601.3349 0 55 12889.0000 12601.3349 2.23% - 1s 0 0 12601.5006 0 63 12889.0000 12601.5006 2.23% - 1s 0 0 12602.7818 0 46 12889.0000 12602.7818 2.22% - 1s 0 0 12602.9572 0 57 12889.0000 12602.9572 2.22% - 1s 0 0 12603.0460 0 61 12889.0000 12603.0460 2.22% - 1s 0 0 12603.7312 0 58 12889.0000 12603.7312 2.21% - 1s 0 0 12603.9014 0 61 12889.0000 12603.9014 2.21% - 1s 0 0 12603.9415 0 63 12889.0000 12603.9415 2.21% - 1s 0 0 12604.0206 0 65 12889.0000 12604.0206 2.21% - 1s 0 2 12604.0499 0 65 12889.0000 12604.0499 2.21% - 2s H 138 69 12868.000000 12647.8000 1.71% 5.7 2s * 307 167 12 12864.000000 12679.6667 1.43% 5.4 3s 613 257 12710.0000 7 66 12864.0000 12707.6667 1.22% 5.9 5s * 2074 207 25 12863.000000 12775.0000 0.68% 6.7 7s Cutting planes: Gomory: 5 Zero half: 7 Explored 2534 nodes (16914 simplex iterations) in 8.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286300000000e+04, best bound 1.286300000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 746 rows, 1128 columns and 185466 nonzeros Presolve time: 0.11s Presolved: 746 rows, 1128 columns, 185466 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12596.5000 0 33 12902.0000 12596.5000 2.37% - 0s 0 0 12598.5738 0 46 12902.0000 12598.5738 2.35% - 0s 0 0 12599.1705 0 56 12902.0000 12599.1705 2.35% - 0s 0 0 12600.0203 0 50 12902.0000 12600.0203 2.34% - 0s 0 0 12600.2034 0 62 12902.0000 12600.2034 2.34% - 1s 0 0 12600.9127 0 49 12902.0000 12600.9127 2.33% - 1s 0 0 12601.0283 0 61 12902.0000 12601.0283 2.33% - 1s 0 0 12601.6468 0 56 12902.0000 12601.6468 2.33% - 1s 0 0 12601.7209 0 64 12902.0000 12601.7209 2.33% - 1s 0 0 12602.0106 0 65 12902.0000 12602.0106 2.33% - 1s 0 0 12602.1453 0 64 12902.0000 12602.1453 2.32% - 1s 0 0 12602.1976 0 60 12902.0000 12602.1976 2.32% - 1s 0 0 12602.3018 0 67 12902.0000 12602.3018 2.32% - 1s 0 0 12602.8004 0 65 12902.0000 12602.8004 2.32% - 1s 0 0 12602.9521 0 66 12902.0000 12602.9521 2.32% - 1s 0 0 12603.0695 0 58 12902.0000 12603.0695 2.32% - 1s 0 0 12603.1300 0 67 12902.0000 12603.1300 2.32% - 1s 0 2 12603.1652 0 67 12902.0000 12603.1652 2.32% - 2s H 166 95 12883.000000 12644.0000 1.86% 4.9 2s * 205 113 11 12875.000000 12646.7500 1.77% 5.3 3s * 266 141 12 12873.000000 12654.0000 1.70% 5.4 3s * 280 140 12 12871.000000 12654.0000 1.69% 5.5 3s * 434 170 39 12867.000000 12674.4667 1.50% 6.3 3s * 484 177 9 12864.000000 12681.3333 1.42% 6.4 3s 613 202 12731.0000 48 66 12864.0000 12694.0000 1.32% 6.2 5s Cutting planes: Gomory: 5 Zero half: 6 Explored 2420 nodes (16033 simplex iterations) in 8.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286400000000e+04, best bound 1.286300000000e+04, gap 0.0078% adding cut for [(4, 40), (7, 28), (7, 37), (8, 19), (8, 28), (16, 38), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 747 rows, 1128 columns and 185697 nonzeros Presolve time: 0.11s Presolved: 747 rows, 1128 columns, 185697 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12876.000000 12564.4074 2.42% - 0s 0 0 12588.1250 0 35 12876.0000 12588.1250 2.24% - 0s 0 0 12588.1250 0 49 12876.0000 12588.1250 2.24% - 0s 0 0 12588.1250 0 35 12876.0000 12588.1250 2.24% - 0s 0 0 12597.9000 0 56 12876.0000 12597.9000 2.16% - 0s 0 0 12601.0912 0 43 12876.0000 12601.0912 2.14% - 0s 0 0 12601.1354 0 49 12876.0000 12601.1354 2.13% - 0s 0 0 12601.2271 0 56 12876.0000 12601.2271 2.13% - 0s 0 0 12601.5741 0 49 12876.0000 12601.5741 2.13% - 0s 0 0 12601.7268 0 57 12876.0000 12601.7268 2.13% - 0s 0 0 12602.4278 0 46 12876.0000 12602.4278 2.12% - 1s 0 0 12602.4677 0 54 12876.0000 12602.4677 2.12% - 1s 0 0 12602.5738 0 56 12876.0000 12602.5738 2.12% - 1s 0 0 12602.6108 0 62 12876.0000 12602.6108 2.12% - 1s 0 0 12603.1695 0 53 12876.0000 12603.1695 2.12% - 1s 0 0 12603.3333 0 59 12876.0000 12603.3333 2.12% - 1s 0 0 12603.5697 0 58 12876.0000 12603.5697 2.12% - 1s 0 0 12603.6770 0 64 12876.0000 12603.6770 2.11% - 1s 0 0 12603.7663 0 66 12876.0000 12603.7663 2.11% - 1s 0 0 12604.2002 0 62 12876.0000 12604.2002 2.11% - 1s 0 0 12604.5543 0 61 12876.0000 12604.5543 2.11% - 1s 0 0 12604.5933 0 62 12876.0000 12604.5933 2.11% - 1s 0 2 12604.5956 0 62 12876.0000 12604.5956 2.11% - 2s * 71 46 29 12869.000000 12615.2812 1.97% 6.3 2s * 72 44 29 12865.000000 12615.2812 1.94% 6.2 2s 624 279 12695.6000 22 40 12865.0000 12695.6000 1.32% 7.3 5s * 634 266 28 12864.000000 12695.6000 1.31% 7.5 5s Cutting planes: Gomory: 4 Zero half: 8 Explored 2395 nodes (15913 simplex iterations) in 7.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286400000000e+04, best bound 1.286400000000e+04, gap 0.0% adding cut for [(2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 748 rows, 1128 columns and 185950 nonzeros Presolve time: 0.11s Presolved: 748 rows, 1128 columns, 185950 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12872.000000 12564.4074 2.39% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12588.1250 0 49 12872.0000 12588.1250 2.21% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12594.3075 0 51 12872.0000 12594.3075 2.16% - 0s 0 0 12596.2277 0 51 12872.0000 12596.2277 2.14% - 0s 0 0 12596.5470 0 51 12872.0000 12596.5470 2.14% - 0s 0 0 12598.2397 0 60 12872.0000 12598.2397 2.13% - 0s 0 0 12599.2131 0 60 12872.0000 12599.2131 2.12% - 0s 0 0 12599.3593 0 62 12872.0000 12599.3593 2.12% - 1s 0 0 12599.7823 0 65 12872.0000 12599.7823 2.11% - 1s 0 0 12600.6541 0 54 12872.0000 12600.6541 2.11% - 1s 0 0 12600.9412 0 61 12872.0000 12600.9412 2.11% - 1s 0 0 12601.1410 0 66 12872.0000 12601.1410 2.10% - 1s 0 0 12601.5291 0 50 12872.0000 12601.5291 2.10% - 1s 0 0 12601.5690 0 56 12872.0000 12601.5690 2.10% - 1s 0 0 12601.7703 0 58 12872.0000 12601.7703 2.10% - 1s 0 0 12601.7903 0 56 12872.0000 12601.7903 2.10% - 1s 0 0 12601.8362 0 58 12872.0000 12601.8362 2.10% - 1s 0 0 12601.8527 0 63 12872.0000 12601.8527 2.10% - 1s 0 0 12601.9978 0 62 12872.0000 12601.9978 2.10% - 1s 0 0 12602.1686 0 64 12872.0000 12602.1686 2.10% - 1s 0 0 12602.4061 0 68 12872.0000 12602.4061 2.09% - 1s 0 0 12602.5233 0 70 12872.0000 12602.5233 2.09% - 1s 0 2 12602.7760 0 70 12872.0000 12602.7760 2.09% - 2s H 244 133 12869.000000 12667.2500 1.57% 7.5 3s * 396 182 11 12867.000000 12687.0444 1.40% 7.4 3s * 542 215 8 12865.000000 12702.2405 1.27% 7.1 3s 709 236 12799.9167 28 70 12865.0000 12718.0000 1.14% 7.1 5s * 831 240 29 12864.000000 12718.0000 1.13% 7.8 5s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 1 Explored 2294 nodes (15829 simplex iterations) in 7.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286400000000e+04, best bound 1.286400000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 749 rows, 1128 columns and 186203 nonzeros Presolve time: 0.11s Presolved: 749 rows, 1128 columns, 186203 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12596.5000 0 33 12902.0000 12596.5000 2.37% - 0s 0 0 12598.8462 0 39 12902.0000 12598.8462 2.35% - 0s 0 0 12598.9327 0 44 12902.0000 12598.9327 2.35% - 0s 0 0 12598.9828 0 52 12902.0000 12598.9828 2.35% - 0s 0 0 12599.7603 0 49 12902.0000 12599.7603 2.34% - 0s 0 0 12600.1511 0 47 12902.0000 12600.1511 2.34% - 1s 0 0 12601.0681 0 55 12902.0000 12601.0681 2.33% - 1s 0 0 12601.1383 0 63 12902.0000 12601.1383 2.33% - 1s 0 0 12602.6365 0 49 12902.0000 12602.6365 2.32% - 1s 0 0 12602.8330 0 57 12902.0000 12602.8330 2.32% - 1s 0 0 12602.9688 0 59 12902.0000 12602.9688 2.32% - 1s 0 0 12602.9701 0 61 12902.0000 12602.9701 2.32% - 1s 0 0 12603.5355 0 63 12902.0000 12603.5355 2.31% - 1s 0 0 12603.7674 0 63 12902.0000 12603.7674 2.31% - 1s 0 0 12603.8529 0 64 12902.0000 12603.8529 2.31% - 1s 0 0 12603.8542 0 65 12902.0000 12603.8542 2.31% - 1s H 0 0 12881.000000 12603.8542 2.15% - 1s 0 2 12603.9458 0 65 12881.0000 12603.9458 2.15% - 2s * 56 26 55 12871.000000 12634.0820 1.84% 6.7 2s * 237 137 30 12870.000000 12656.6000 1.66% 4.9 2s * 249 138 14 12866.000000 12658.2917 1.61% 4.9 2s * 276 137 12 12865.000000 12664.0000 1.56% 5.1 3s 637 260 12701.5769 25 31 12865.0000 12701.5769 1.27% 5.7 5s * 1214 264 35 12864.000000 12712.5000 1.18% 5.5 5s Cutting planes: Gomory: 3 Zero half: 4 Explored 2383 nodes (14006 simplex iterations) in 7.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286400000000e+04, best bound 1.286300000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 750 rows, 1128 columns and 186413 nonzeros Presolve time: 0.11s Presolved: 750 rows, 1128 columns, 186413 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12865.000000 12564.4074 2.34% - 0s 0 0 12588.1250 0 35 12865.0000 12588.1250 2.15% - 0s 0 0 12588.1250 0 49 12865.0000 12588.1250 2.15% - 0s 0 0 12588.1250 0 35 12865.0000 12588.1250 2.15% - 0s 0 0 12597.9000 0 56 12865.0000 12597.9000 2.08% - 0s 0 0 12601.2557 0 46 12865.0000 12601.2557 2.05% - 0s 0 0 12601.3307 0 52 12865.0000 12601.3307 2.05% - 0s 0 0 12601.3817 0 58 12865.0000 12601.3817 2.05% - 0s 0 0 12601.7431 0 61 12865.0000 12601.7431 2.05% - 0s 0 0 12602.3319 0 59 12865.0000 12602.3319 2.04% - 1s 0 0 12602.6610 0 62 12865.0000 12602.6610 2.04% - 1s 0 0 12603.0107 0 48 12865.0000 12603.0107 2.04% - 1s 0 0 12603.1463 0 57 12865.0000 12603.1463 2.04% - 1s 0 0 12603.2805 0 62 12865.0000 12603.2805 2.03% - 1s 0 0 12603.4854 0 55 12865.0000 12603.4854 2.03% - 1s 0 0 12603.5801 0 63 12865.0000 12603.5801 2.03% - 1s 0 0 12603.6610 0 63 12865.0000 12603.6610 2.03% - 1s 0 0 12603.7270 0 67 12865.0000 12603.7270 2.03% - 1s 0 0 12604.0900 0 69 12865.0000 12604.0900 2.03% - 1s 0 0 12604.4119 0 52 12865.0000 12604.4119 2.03% - 1s 0 0 12604.4459 0 55 12865.0000 12604.4459 2.03% - 1s 0 0 12604.4872 0 65 12865.0000 12604.4872 2.02% - 1s 0 0 12604.6739 0 60 12865.0000 12604.6739 2.02% - 1s 0 0 12604.6739 0 60 12865.0000 12604.6739 2.02% - 1s 0 2 12604.6888 0 60 12865.0000 12604.6888 2.02% - 2s 631 198 12720.2000 26 39 12865.0000 12720.2000 1.13% 7.0 5s * 1111 184 34 12864.000000 12720.2000 1.12% 6.8 5s Cutting planes: Gomory: 4 Zero half: 7 Explored 2206 nodes (14048 simplex iterations) in 7.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286400000000e+04, best bound 1.286300000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 36), (12, 13), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 751 rows, 1128 columns and 186623 nonzeros Presolve time: 0.11s Presolved: 751 rows, 1128 columns, 186623 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12596.5000 0 33 12902.0000 12596.5000 2.37% - 0s 0 0 12598.8462 0 39 12902.0000 12598.8462 2.35% - 0s 0 0 12598.9327 0 44 12902.0000 12598.9327 2.35% - 0s 0 0 12598.9828 0 52 12902.0000 12598.9828 2.35% - 1s 0 0 12599.7603 0 49 12902.0000 12599.7603 2.34% - 1s 0 0 12600.1511 0 47 12902.0000 12600.1511 2.34% - 1s 0 0 12601.0681 0 55 12902.0000 12601.0681 2.33% - 1s 0 0 12601.1471 0 61 12902.0000 12601.1471 2.33% - 1s 0 0 12601.1939 0 63 12902.0000 12601.1939 2.33% - 1s 0 0 12602.1451 0 61 12902.0000 12602.1451 2.32% - 1s 0 0 12602.1930 0 57 12902.0000 12602.1930 2.32% - 1s 0 0 12602.2807 0 63 12902.0000 12602.2807 2.32% - 1s 0 0 12602.7395 0 59 12902.0000 12602.7395 2.32% - 1s 0 0 12603.1661 0 64 12902.0000 12603.1661 2.32% - 1s 0 0 12603.3133 0 68 12902.0000 12603.3133 2.32% - 1s 0 0 12604.2242 0 52 12902.0000 12604.2242 2.31% - 1s 0 0 12604.5020 0 54 12902.0000 12604.5020 2.31% - 1s 0 0 12604.5120 0 58 12902.0000 12604.5120 2.31% - 1s 0 0 12604.5373 0 61 12902.0000 12604.5373 2.31% - 1s 0 0 12604.5920 0 56 12902.0000 12604.5920 2.31% - 1s 0 0 12604.6213 0 65 12902.0000 12604.6213 2.30% - 1s 0 0 12604.7467 0 55 12902.0000 12604.7467 2.30% - 1s 0 0 12604.7883 0 57 12902.0000 12604.7883 2.30% - 1s 0 2 12604.8286 0 57 12902.0000 12604.8286 2.30% - 2s H 74 38 12871.000000 12635.8511 1.83% 7.1 3s H 228 125 12866.000000 12651.7484 1.67% 5.7 3s 616 296 12725.3333 8 59 12866.0000 12693.8750 1.34% 5.3 5s * 2171 530 24 12865.000000 12748.0000 0.91% 6.3 8s * 2184 523 30 12864.000000 12749.0000 0.89% 6.3 8s Cutting planes: Gomory: 5 Zero half: 8 Explored 3407 nodes (21632 simplex iterations) in 9.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286400000000e+04, best bound 1.286400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 16), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 752 rows, 1128 columns and 186899 nonzeros Presolve time: 0.11s Presolved: 752 rows, 1128 columns, 186899 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12876.000000 12564.4074 2.42% - 0s 0 0 12588.1250 0 35 12876.0000 12588.1250 2.24% - 0s 0 0 12588.1250 0 49 12876.0000 12588.1250 2.24% - 0s 0 0 12588.1250 0 35 12876.0000 12588.1250 2.24% - 0s 0 0 12598.8462 0 39 12876.0000 12598.8462 2.15% - 0s 0 0 12598.9327 0 44 12876.0000 12598.9327 2.15% - 0s 0 0 12599.0066 0 51 12876.0000 12599.0066 2.15% - 0s 0 0 12599.8956 0 57 12876.0000 12599.8956 2.14% - 0s 0 0 12600.9774 0 52 12876.0000 12600.9774 2.14% - 0s 0 0 12601.9621 0 57 12876.0000 12601.9621 2.13% - 1s 0 0 12602.0538 0 62 12876.0000 12602.0538 2.13% - 1s 0 0 12602.0711 0 65 12876.0000 12602.0711 2.13% - 1s 0 0 12603.1821 0 53 12876.0000 12603.1821 2.12% - 1s 0 0 12603.6394 0 59 12876.0000 12603.6394 2.12% - 1s 0 0 12604.0408 0 58 12876.0000 12604.0408 2.11% - 1s 0 0 12604.0841 0 59 12876.0000 12604.0841 2.11% - 1s 0 0 12604.1210 0 64 12876.0000 12604.1210 2.11% - 1s 0 0 12604.1574 0 66 12876.0000 12604.1574 2.11% - 1s 0 0 12604.3280 0 61 12876.0000 12604.3280 2.11% - 1s 0 0 12604.3726 0 67 12876.0000 12604.3726 2.11% - 1s 0 0 12604.5937 0 64 12876.0000 12604.5937 2.11% - 1s 0 0 12604.6271 0 64 12876.0000 12604.6271 2.11% - 1s 0 0 12604.7928 0 68 12876.0000 12604.7928 2.11% - 1s 0 0 12604.8316 0 66 12876.0000 12604.8316 2.11% - 1s 0 0 12604.8439 0 68 12876.0000 12604.8439 2.11% - 1s 0 0 12604.8929 0 68 12876.0000 12604.8929 2.11% - 1s H 0 0 12869.000000 12604.8929 2.05% - 2s 0 2 12604.9455 0 68 12869.0000 12604.9455 2.05% - 2s * 149 78 22 12866.000000 12635.6340 1.79% 6.1 3s * 591 289 14 12865.000000 12694.3333 1.33% 6.9 3s 710 332 12792.5000 13 68 12865.0000 12705.0000 1.24% 6.7 5s * 2351 252 34 12864.000000 12769.5000 0.73% 7.7 8s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 1 Explored 2907 nodes (21970 simplex iterations) in 9.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286400000000e+04, best bound 1.286300000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 753 rows, 1128 columns and 187152 nonzeros Presolve time: 0.11s Presolved: 753 rows, 1128 columns, 187152 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12876.000000 12564.4074 2.42% - 0s 0 0 12588.1250 0 35 12876.0000 12588.1250 2.24% - 0s 0 0 12588.1250 0 49 12876.0000 12588.1250 2.24% - 0s 0 0 12588.1250 0 35 12876.0000 12588.1250 2.24% - 0s 0 0 12598.8462 0 39 12876.0000 12598.8462 2.15% - 0s 0 0 12598.9327 0 44 12876.0000 12598.9327 2.15% - 0s 0 0 12599.0066 0 51 12876.0000 12599.0066 2.15% - 0s 0 0 12599.8956 0 57 12876.0000 12599.8956 2.14% - 0s 0 0 12600.9774 0 52 12876.0000 12600.9774 2.14% - 0s 0 0 12601.9621 0 57 12876.0000 12601.9621 2.13% - 0s 0 0 12602.0538 0 62 12876.0000 12602.0538 2.13% - 1s 0 0 12602.0711 0 65 12876.0000 12602.0711 2.13% - 1s 0 0 12603.1821 0 53 12876.0000 12603.1821 2.12% - 1s 0 0 12603.6394 0 59 12876.0000 12603.6394 2.12% - 1s 0 0 12604.0408 0 58 12876.0000 12604.0408 2.11% - 1s 0 0 12604.0903 0 57 12876.0000 12604.0903 2.11% - 1s 0 0 12604.1435 0 64 12876.0000 12604.1435 2.11% - 1s 0 0 12604.2346 0 63 12876.0000 12604.2346 2.11% - 1s 0 0 12604.2793 0 67 12876.0000 12604.2793 2.11% - 1s 0 0 12604.3318 0 59 12876.0000 12604.3318 2.11% - 1s H 0 0 12870.000000 12604.3318 2.06% - 1s 0 2 12604.3594 0 59 12870.0000 12604.3594 2.06% - 2s * 332 185 39 12865.000000 12677.1250 1.46% 5.2 3s 615 314 12694.6667 10 59 12865.0000 12694.6667 1.32% 5.5 5s Cutting planes: Gomory: 5 Zero half: 7 Explored 2797 nodes (17487 simplex iterations) in 8.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286500000000e+04, best bound 1.286400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (33, 47), (34, 41)] Optimize a model with 754 rows, 1128 columns and 187405 nonzeros Presolve time: 0.11s Presolved: 754 rows, 1128 columns, 187405 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12564.4074 2.47% - 0s 0 0 12588.1250 0 35 12883.0000 12588.1250 2.29% - 0s 0 0 12588.1250 0 49 12883.0000 12588.1250 2.29% - 0s 0 0 12588.1250 0 35 12883.0000 12588.1250 2.29% - 0s 0 0 12596.5000 0 33 12883.0000 12596.5000 2.22% - 0s 0 0 12598.8462 0 39 12883.0000 12598.8462 2.21% - 0s 0 0 12598.9231 0 44 12883.0000 12598.9231 2.21% - 0s 0 0 12599.0247 0 47 12883.0000 12599.0247 2.20% - 0s 0 0 12599.0757 0 51 12883.0000 12599.0757 2.20% - 1s 0 0 12599.9434 0 57 12883.0000 12599.9434 2.20% - 1s 0 0 12603.0341 0 49 12883.0000 12603.0341 2.17% - 1s 0 0 12603.3057 0 59 12883.0000 12603.3057 2.17% - 1s 0 0 12603.6870 0 66 12883.0000 12603.6870 2.17% - 1s 0 0 12603.9221 0 64 12883.0000 12603.9221 2.17% - 1s 0 0 12604.0603 0 57 12883.0000 12604.0603 2.17% - 1s 0 0 12604.1436 0 65 12883.0000 12604.1436 2.16% - 1s 0 0 12604.2272 0 68 12883.0000 12604.2272 2.16% - 1s 0 0 12604.2964 0 60 12883.0000 12604.2964 2.16% - 1s H 0 0 12881.000000 12604.2964 2.15% - 1s 0 2 12604.3845 0 60 12881.0000 12604.3845 2.15% - 2s H 101 57 12871.000000 12635.9286 1.83% 6.6 2s * 304 160 18 12868.000000 12650.0000 1.69% 6.1 2s * 592 283 13 12866.000000 12682.6182 1.43% 6.0 3s 712 316 12703.5275 20 55 12866.0000 12698.0000 1.31% 6.2 5s * 1116 323 19 12865.000000 12698.0000 1.30% 7.1 6s Cutting planes: Gomory: 6 Zero half: 5 Explored 2619 nodes (17411 simplex iterations) in 8.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286500000000e+04, best bound 1.286500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 755 rows, 1128 columns and 187636 nonzeros Presolve time: 0.11s Presolved: 755 rows, 1128 columns, 187636 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12590.0814 0 54 12902.0000 12590.0814 2.42% - 0s 0 0 12597.7931 0 45 12902.0000 12597.7931 2.36% - 0s 0 0 12600.7471 0 50 12902.0000 12600.7471 2.33% - 0s H 0 0 12871.000000 12600.7471 2.10% - 0s 0 0 12601.0307 0 55 12871.0000 12601.0307 2.10% - 0s 0 0 12601.5184 0 50 12871.0000 12601.5184 2.09% - 1s 0 0 12601.6710 0 58 12871.0000 12601.6710 2.09% - 1s 0 0 12602.3327 0 51 12871.0000 12602.3327 2.09% - 1s 0 0 12602.4730 0 59 12871.0000 12602.4730 2.09% - 1s 0 0 12602.6687 0 48 12871.0000 12602.6687 2.08% - 1s 0 0 12602.7758 0 59 12871.0000 12602.7758 2.08% - 1s 0 0 12602.7822 0 58 12871.0000 12602.7822 2.08% - 1s 0 0 12602.9172 0 56 12871.0000 12602.9172 2.08% - 1s 0 0 12603.1173 0 64 12871.0000 12603.1173 2.08% - 1s 0 0 12603.2314 0 66 12871.0000 12603.2314 2.08% - 1s 0 0 12603.4088 0 66 12871.0000 12603.4088 2.08% - 1s 0 0 12603.8148 0 41 12871.0000 12603.8148 2.08% - 1s 0 0 12604.1264 0 52 12871.0000 12604.1264 2.07% - 1s 0 0 12604.2900 0 63 12871.0000 12604.2900 2.07% - 1s 0 0 12604.4366 0 55 12871.0000 12604.4366 2.07% - 1s 0 0 12604.4597 0 58 12871.0000 12604.4597 2.07% - 1s 0 0 12604.5461 0 60 12871.0000 12604.5461 2.07% - 1s 0 0 12604.5833 0 64 12871.0000 12604.5833 2.07% - 1s 0 2 12604.5914 0 64 12871.0000 12604.5914 2.07% - 2s * 498 233 18 12867.000000 12694.6667 1.34% 5.6 3s * 588 265 10 12866.000000 12703.5937 1.26% 5.6 3s 703 285 12757.0000 13 49 12866.0000 12708.0000 1.23% 5.9 5s * 2218 262 26 12865.000000 12775.0000 0.70% 7.0 8s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 1 Explored 2790 nodes (19228 simplex iterations) in 9.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286500000000e+04, best bound 1.286500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 756 rows, 1128 columns and 187889 nonzeros Presolve time: 0.11s Presolved: 756 rows, 1128 columns, 187889 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12874.000000 12564.4074 2.40% - 0s 0 0 12588.1250 0 35 12874.0000 12588.1250 2.22% - 0s 0 0 12588.1250 0 49 12874.0000 12588.1250 2.22% - 0s 0 0 12588.1250 0 35 12874.0000 12588.1250 2.22% - 0s H 0 0 12866.000000 12588.1250 2.16% - 0s 0 0 12598.8462 0 39 12866.0000 12598.8462 2.08% - 0s 0 0 12598.9327 0 44 12866.0000 12598.9327 2.08% - 0s 0 0 12599.0247 0 47 12866.0000 12599.0247 2.08% - 0s 0 0 12599.1169 0 51 12866.0000 12599.1169 2.07% - 0s 0 0 12599.6445 0 57 12866.0000 12599.6445 2.07% - 0s 0 0 12601.6609 0 44 12866.0000 12601.6609 2.05% - 1s 0 0 12602.1852 0 26 12866.0000 12602.1852 2.05% - 1s 0 0 12603.0341 0 49 12866.0000 12603.0341 2.04% - 1s 0 0 12603.3057 0 59 12866.0000 12603.3057 2.04% - 1s 0 0 12603.5656 0 63 12866.0000 12603.5656 2.04% - 1s 0 0 12604.0727 0 60 12866.0000 12604.0727 2.04% - 1s 0 0 12604.2351 0 57 12866.0000 12604.2351 2.03% - 1s 0 0 12604.5782 0 64 12866.0000 12604.5782 2.03% - 1s 0 0 12604.6246 0 62 12866.0000 12604.6246 2.03% - 1s 0 0 12604.6377 0 57 12866.0000 12604.6377 2.03% - 1s 0 0 12604.6400 0 66 12866.0000 12604.6400 2.03% - 1s 0 2 12604.6570 0 66 12866.0000 12604.6570 2.03% - 2s 669 296 12740.0000 47 29 12866.0000 12705.3333 1.25% 6.4 5s * 734 286 38 12865.000000 12705.3333 1.24% 6.5 5s Cutting planes: Gomory: 5 Zero half: 5 Explored 2561 nodes (16601 simplex iterations) in 7.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286500000000e+04, best bound 1.286400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 36), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 757 rows, 1128 columns and 188142 nonzeros Presolve time: 0.11s Presolved: 757 rows, 1128 columns, 188142 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12590.0814 0 54 12902.0000 12590.0814 2.42% - 0s 0 0 12597.7931 0 45 12902.0000 12597.7931 2.36% - 0s 0 0 12600.7471 0 50 12902.0000 12600.7471 2.33% - 0s 0 0 12601.0307 0 55 12902.0000 12601.0307 2.33% - 0s 0 0 12601.5184 0 50 12902.0000 12601.5184 2.33% - 0s 0 0 12601.6710 0 58 12902.0000 12601.6710 2.33% - 1s 0 0 12602.3327 0 51 12902.0000 12602.3327 2.32% - 1s 0 0 12602.4730 0 59 12902.0000 12602.4730 2.32% - 1s 0 0 12602.6123 0 51 12902.0000 12602.6123 2.32% - 1s 0 0 12602.7548 0 61 12902.0000 12602.7548 2.32% - 1s 0 0 12602.8059 0 60 12902.0000 12602.8059 2.32% - 1s 0 0 12603.0561 0 57 12902.0000 12603.0561 2.32% - 1s 0 0 12603.1463 0 64 12902.0000 12603.1463 2.32% - 1s 0 0 12603.3301 0 57 12902.0000 12603.3301 2.31% - 1s 0 0 12603.4332 0 66 12902.0000 12603.4332 2.31% - 1s 0 0 12603.5084 0 63 12902.0000 12603.5084 2.31% - 1s 0 0 12603.5633 0 66 12902.0000 12603.5633 2.31% - 1s 0 0 12603.6290 0 68 12902.0000 12603.6290 2.31% - 1s 0 0 12604.3646 0 55 12902.0000 12604.3646 2.31% - 1s 0 0 12604.5824 0 58 12902.0000 12604.5824 2.31% - 1s 0 0 12604.6196 0 63 12902.0000 12604.6196 2.30% - 1s 0 0 12604.7562 0 59 12902.0000 12604.7562 2.30% - 1s 0 0 12604.8194 0 60 12902.0000 12604.8194 2.30% - 1s 0 2 12604.9288 0 60 12902.0000 12604.9288 2.30% - 2s * 282 171 24 12874.000000 12638.0000 1.83% 5.3 3s * 435 224 14 12871.000000 12651.5000 1.71% 5.8 3s H 600 278 12866.000000 12671.8000 1.51% 6.2 3s 609 284 12720.4667 12 34 12866.0000 12671.8000 1.51% 6.1 5s * 1038 319 34 12865.000000 12691.3125 1.35% 6.5 7s Cutting planes: Gomory: 8 Zero half: 5 Explored 2202 nodes (14741 simplex iterations) in 8.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286500000000e+04, best bound 1.286400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 24), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 758 rows, 1128 columns and 188352 nonzeros Presolve time: 0.11s Presolved: 758 rows, 1128 columns, 188352 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12590.0814 0 54 12902.0000 12590.0814 2.42% - 0s 0 0 12597.7931 0 45 12902.0000 12597.7931 2.36% - 0s 0 0 12600.7471 0 50 12902.0000 12600.7471 2.33% - 0s 0 0 12601.0307 0 55 12902.0000 12601.0307 2.33% - 0s 0 0 12601.5184 0 50 12902.0000 12601.5184 2.33% - 1s 0 0 12601.6710 0 58 12902.0000 12601.6710 2.33% - 1s 0 0 12602.3327 0 51 12902.0000 12602.3327 2.32% - 1s 0 0 12602.4730 0 59 12902.0000 12602.4730 2.32% - 1s 0 0 12602.6123 0 51 12902.0000 12602.6123 2.32% - 1s 0 0 12602.7548 0 61 12902.0000 12602.7548 2.32% - 1s 0 0 12602.8059 0 60 12902.0000 12602.8059 2.32% - 1s 0 0 12603.0561 0 57 12902.0000 12603.0561 2.32% - 1s 0 0 12603.1463 0 64 12902.0000 12603.1463 2.32% - 1s 0 0 12603.3301 0 57 12902.0000 12603.3301 2.31% - 1s 0 0 12603.4332 0 66 12902.0000 12603.4332 2.31% - 1s 0 0 12603.5398 0 62 12902.0000 12603.5398 2.31% - 1s 0 0 12603.5536 0 66 12902.0000 12603.5536 2.31% - 1s 0 0 12603.7801 0 61 12902.0000 12603.7801 2.31% - 1s 0 0 12603.9175 0 64 12902.0000 12603.9175 2.31% - 1s 0 0 12603.9661 0 64 12902.0000 12603.9661 2.31% - 1s 0 0 12603.9683 0 64 12902.0000 12603.9683 2.31% - 1s H 0 0 12891.000000 12603.9683 2.23% - 2s 0 2 12604.0155 0 64 12891.0000 12604.0155 2.23% - 2s * 189 100 21 12878.000000 12641.0000 1.84% 5.4 3s * 233 122 19 12873.000000 12648.0000 1.75% 5.4 3s * 234 118 19 12870.000000 12648.0000 1.72% 5.4 3s * 253 133 15 12866.000000 12648.2500 1.69% 5.6 3s 612 248 12779.5000 99 63 12866.0000 12700.2500 1.29% 6.0 5s Cutting planes: Gomory: 4 Zero half: 10 Explored 2807 nodes (19060 simplex iterations) in 9.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286600000000e+04, best bound 1.286500000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (12, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 759 rows, 1128 columns and 188605 nonzeros Presolve time: 0.11s Presolved: 759 rows, 1128 columns, 188605 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12590.0814 0 54 12902.0000 12590.0814 2.42% - 0s 0 0 12597.7931 0 45 12902.0000 12597.7931 2.36% - 0s 0 0 12600.7471 0 50 12902.0000 12600.7471 2.33% - 0s 0 0 12601.0307 0 55 12902.0000 12601.0307 2.33% - 0s 0 0 12601.5184 0 50 12902.0000 12601.5184 2.33% - 1s 0 0 12601.6710 0 58 12902.0000 12601.6710 2.33% - 1s 0 0 12602.3327 0 51 12902.0000 12602.3327 2.32% - 1s 0 0 12602.4730 0 59 12902.0000 12602.4730 2.32% - 1s 0 0 12602.6123 0 51 12902.0000 12602.6123 2.32% - 1s 0 0 12602.7548 0 61 12902.0000 12602.7548 2.32% - 1s 0 0 12602.8059 0 60 12902.0000 12602.8059 2.32% - 1s 0 0 12603.1802 0 55 12902.0000 12603.1802 2.32% - 1s 0 0 12603.2651 0 63 12902.0000 12603.2651 2.32% - 1s 0 0 12603.4091 0 57 12902.0000 12603.4091 2.31% - 1s 0 0 12603.5150 0 63 12902.0000 12603.5150 2.31% - 1s 0 0 12603.5480 0 64 12902.0000 12603.5480 2.31% - 1s 0 0 12603.6620 0 56 12902.0000 12603.6620 2.31% - 1s 0 0 12603.7067 0 65 12902.0000 12603.7067 2.31% - 1s 0 0 12604.0109 0 66 12902.0000 12604.0109 2.31% - 1s 0 0 12604.0934 0 71 12902.0000 12604.0934 2.31% - 1s H 0 0 12871.000000 12604.0934 2.07% - 1s 0 2 12604.1140 0 71 12871.0000 12604.1140 2.07% - 2s * 121 60 42 12870.000000 12632.5552 1.84% 6.1 2s * 208 110 16 12866.000000 12643.7500 1.73% 6.4 3s 610 194 12796.6667 9 70 12866.0000 12711.4000 1.20% 6.7 5s Cutting planes: Gomory: 4 Zero half: 9 Explored 2508 nodes (16785 simplex iterations) in 8.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286600000000e+04, best bound 1.286500000000e+04, gap 0.0078% adding cut for [(4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 760 rows, 1128 columns and 188795 nonzeros Presolve time: 0.11s Presolved: 760 rows, 1128 columns, 188795 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12868.000000 12564.4074 2.36% - 0s 0 0 12588.1250 0 35 12868.0000 12588.1250 2.17% - 0s 0 0 12588.1250 0 49 12868.0000 12588.1250 2.17% - 0s 0 0 12588.1250 0 35 12868.0000 12588.1250 2.17% - 0s 0 0 12596.8667 0 41 12868.0000 12596.8667 2.11% - 0s 0 0 12598.3504 0 55 12868.0000 12598.3504 2.10% - 0s 0 0 12599.1579 0 51 12868.0000 12599.1579 2.09% - 0s 0 0 12599.2595 0 60 12868.0000 12599.2595 2.09% - 0s 0 0 12599.6285 0 61 12868.0000 12599.6285 2.09% - 0s 0 0 12599.9659 0 54 12868.0000 12599.9659 2.08% - 0s 0 0 12600.1811 0 64 12868.0000 12600.1811 2.08% - 1s 0 0 12600.4597 0 56 12868.0000 12600.4597 2.08% - 1s 0 0 12600.6725 0 65 12868.0000 12600.6725 2.08% - 1s 0 0 12601.0714 0 64 12868.0000 12601.0714 2.07% - 1s 0 0 12601.2329 0 53 12868.0000 12601.2329 2.07% - 1s 0 0 12601.3035 0 62 12868.0000 12601.3035 2.07% - 1s 0 2 12601.7004 0 62 12868.0000 12601.7004 2.07% - 1s * 227 116 28 12867.000000 12658.0000 1.62% 4.9 2s * 561 220 9 12866.000000 12702.1250 1.27% 5.5 3s 753 289 12717.7500 33 27 12866.0000 12717.7500 1.15% 6.4 5s Cutting planes: Gomory: 5 Zero half: 6 Mod-K: 1 Explored 2331 nodes (14220 simplex iterations) in 7.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286600000000e+04, best bound 1.286600000000e+04, gap 0.0% adding cut for [(4, 10), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 761 rows, 1128 columns and 188966 nonzeros Presolve time: 0.11s Presolved: 761 rows, 1128 columns, 188966 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12868.000000 12564.4074 2.36% - 0s 0 0 12588.1250 0 35 12868.0000 12588.1250 2.17% - 0s 0 0 12588.1250 0 49 12868.0000 12588.1250 2.17% - 0s 0 0 12588.1250 0 35 12868.0000 12588.1250 2.17% - 0s 0 0 12596.8667 0 41 12868.0000 12596.8667 2.11% - 0s 0 0 12598.3504 0 55 12868.0000 12598.3504 2.10% - 0s 0 0 12599.1579 0 51 12868.0000 12599.1579 2.09% - 0s 0 0 12599.2595 0 60 12868.0000 12599.2595 2.09% - 0s 0 0 12599.6285 0 61 12868.0000 12599.6285 2.09% - 0s 0 0 12599.9659 0 54 12868.0000 12599.9659 2.08% - 1s 0 0 12600.1811 0 64 12868.0000 12600.1811 2.08% - 1s 0 0 12600.4553 0 67 12868.0000 12600.4553 2.08% - 1s 0 0 12601.1630 0 60 12868.0000 12601.1630 2.07% - 1s 0 0 12601.2154 0 62 12868.0000 12601.2154 2.07% - 1s 0 0 12601.2749 0 64 12868.0000 12601.2749 2.07% - 1s 0 0 12601.2782 0 66 12868.0000 12601.2782 2.07% - 1s 0 0 12601.2844 0 70 12868.0000 12601.2844 2.07% - 1s 0 2 12601.3563 0 70 12868.0000 12601.3563 2.07% - 2s * 358 172 23 12866.000000 12663.7235 1.57% 5.6 3s 616 277 12704.0000 5 70 12866.0000 12696.8000 1.32% 5.5 5s Cutting planes: Gomory: 5 Zero half: 9 Explored 2161 nodes (13266 simplex iterations) in 7.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286600000000e+04, best bound 1.286500000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 762 rows, 1128 columns and 189197 nonzeros Presolve time: 0.11s Presolved: 762 rows, 1128 columns, 189197 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 49 12902.0000 12588.1250 2.43% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12590.0814 0 54 12902.0000 12590.0814 2.42% - 0s 0 0 12597.7931 0 45 12902.0000 12597.7931 2.36% - 0s 0 0 12600.7471 0 50 12902.0000 12600.7471 2.33% - 0s 0 0 12601.0307 0 55 12902.0000 12601.0307 2.33% - 1s 0 0 12601.5184 0 50 12902.0000 12601.5184 2.33% - 1s 0 0 12601.6710 0 58 12902.0000 12601.6710 2.33% - 1s 0 0 12602.3327 0 51 12902.0000 12602.3327 2.32% - 1s 0 0 12602.4730 0 59 12902.0000 12602.4730 2.32% - 1s 0 0 12602.6123 0 51 12902.0000 12602.6123 2.32% - 1s 0 0 12602.7548 0 61 12902.0000 12602.7548 2.32% - 1s 0 0 12602.8059 0 60 12902.0000 12602.8059 2.32% - 1s 0 0 12603.0561 0 57 12902.0000 12603.0561 2.32% - 1s 0 0 12603.1463 0 64 12902.0000 12603.1463 2.32% - 1s 0 0 12603.3763 0 58 12902.0000 12603.3763 2.31% - 1s 0 0 12603.5851 0 64 12902.0000 12603.5851 2.31% - 1s 0 0 12603.6093 0 66 12902.0000 12603.6093 2.31% - 1s 0 0 12603.6642 0 62 12902.0000 12603.6642 2.31% - 1s 0 0 12603.7025 0 67 12902.0000 12603.7025 2.31% - 1s 0 0 12603.7860 0 68 12902.0000 12603.7860 2.31% - 1s 0 0 12604.2484 0 66 12902.0000 12604.2484 2.31% - 1s 0 0 12604.2572 0 68 12902.0000 12604.2572 2.31% - 1s 0 0 12604.3230 0 64 12902.0000 12604.3230 2.31% - 1s 0 0 12604.3572 0 71 12902.0000 12604.3572 2.31% - 1s H 0 0 12881.000000 12604.3572 2.15% - 2s 0 2 12604.3584 0 71 12881.0000 12604.3584 2.15% - 2s * 281 143 18 12868.000000 12657.7500 1.63% 5.5 3s H 566 183 12867.000000 12704.0000 1.27% 6.2 4s 701 211 12747.6250 13 35 12867.0000 12715.0000 1.18% 6.6 5s * 1857 193 37 12866.000000 12772.0000 0.73% 6.6 8s Cutting planes: Gomory: 4 Zero half: 10 Mod-K: 2 Explored 2335 nodes (15353 simplex iterations) in 8.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286600000000e+04, best bound 1.286500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 763 rows, 1128 columns and 189450 nonzeros Presolve time: 0.11s Presolved: 763 rows, 1128 columns, 189450 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12874.000000 12564.4074 2.40% - 0s 0 0 12588.1250 0 35 12874.0000 12588.1250 2.22% - 0s 0 0 12588.1250 0 49 12874.0000 12588.1250 2.22% - 0s 0 0 12588.1250 0 35 12874.0000 12588.1250 2.22% - 0s 0 0 12598.8462 0 39 12874.0000 12598.8462 2.14% - 0s 0 0 12598.9231 0 44 12874.0000 12598.9231 2.14% - 0s 0 0 12599.0045 0 51 12874.0000 12599.0045 2.14% - 0s 0 0 12599.8635 0 57 12874.0000 12599.8635 2.13% - 0s 0 0 12601.4679 0 48 12874.0000 12601.4679 2.12% - 1s 0 0 12602.2365 0 53 12874.0000 12602.2365 2.11% - 1s 0 0 12602.3325 0 55 12874.0000 12602.3325 2.11% - 1s 0 0 12602.3347 0 57 12874.0000 12602.3347 2.11% - 1s 0 0 12602.3441 0 61 12874.0000 12602.3441 2.11% - 1s 0 0 12602.3825 0 63 12874.0000 12602.3825 2.11% - 1s 0 0 12602.5622 0 63 12874.0000 12602.5622 2.11% - 1s 0 0 12602.9805 0 58 12874.0000 12602.9805 2.11% - 1s 0 0 12603.2573 0 61 12874.0000 12603.2573 2.10% - 1s 0 0 12603.5155 0 55 12874.0000 12603.5155 2.10% - 1s 0 0 12603.6773 0 49 12874.0000 12603.6773 2.10% - 1s 0 0 12603.7281 0 63 12874.0000 12603.7281 2.10% - 1s 0 0 12604.1314 0 62 12874.0000 12604.1314 2.10% - 1s 0 0 12604.2250 0 67 12874.0000 12604.2250 2.10% - 1s 0 0 12604.4260 0 65 12874.0000 12604.4260 2.09% - 1s 0 0 12604.4548 0 68 12874.0000 12604.4548 2.09% - 1s 0 0 12604.6204 0 64 12874.0000 12604.6204 2.09% - 1s 0 0 12604.6829 0 65 12874.0000 12604.6829 2.09% - 1s 0 0 12604.6887 0 66 12874.0000 12604.6887 2.09% - 1s 0 2 12604.7047 0 66 12874.0000 12604.7047 2.09% - 2s H 87 37 12872.000000 12618.0000 1.97% 4.9 3s * 267 128 19 12868.000000 12653.4444 1.67% 6.4 3s * 331 147 11 12867.000000 12672.0625 1.52% 6.6 3s 613 241 12738.1667 13 66 12867.0000 12707.6667 1.24% 6.6 5s Cutting planes: Gomory: 5 Zero half: 8 Explored 2411 nodes (16737 simplex iterations) in 8.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286700000000e+04, best bound 1.286700000000e+04, gap 0.0% adding cut for [(4, 40), (38, 40), (7, 37), (7, 28), (12, 13), (13, 16), (16, 46), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 764 rows, 1128 columns and 189640 nonzeros Presolve time: 0.11s Presolved: 764 rows, 1128 columns, 189640 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12594.3235 0 48 12902.0000 12594.3235 2.38% - 0s 0 0 12597.0229 0 55 12902.0000 12597.0229 2.36% - 0s 0 0 12598.7521 0 50 12902.0000 12598.7521 2.35% - 0s 0 0 12598.9174 0 58 12902.0000 12598.9174 2.35% - 0s 0 0 12599.7062 0 50 12902.0000 12599.7062 2.34% - 1s 0 0 12599.8537 0 60 12902.0000 12599.8537 2.34% - 1s 0 0 12600.1571 0 58 12902.0000 12600.1571 2.34% - 1s 0 0 12600.2322 0 51 12902.0000 12600.2322 2.34% - 1s 0 0 12600.3480 0 59 12902.0000 12600.3480 2.34% - 1s 0 0 12600.4884 0 64 12902.0000 12600.4884 2.34% - 1s 0 0 12601.5181 0 48 12902.0000 12601.5181 2.33% - 1s 0 0 12601.5763 0 59 12902.0000 12601.5763 2.33% - 1s 0 0 12601.6775 0 58 12902.0000 12601.6775 2.33% - 1s 0 0 12601.7309 0 56 12902.0000 12601.7309 2.33% - 1s 0 0 12601.7506 0 57 12902.0000 12601.7506 2.33% - 1s 0 0 12601.7563 0 64 12902.0000 12601.7563 2.33% - 1s 0 2 12601.7786 0 64 12902.0000 12601.7786 2.33% - 2s * 213 128 25 12883.000000 12652.0000 1.79% 5.7 2s * 237 138 18 12873.000000 12652.4000 1.71% 5.8 2s * 252 136 13 12867.000000 12653.3950 1.66% 5.8 3s 623 254 12701.8235 15 14 12867.0000 12701.8235 1.28% 6.6 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 2 Explored 1926 nodes (12496 simplex iterations) in 7.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286700000000e+04, best bound 1.286700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 16), (13, 16), (13, 47), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 765 rows, 1128 columns and 189893 nonzeros Presolve time: 0.11s Presolved: 765 rows, 1128 columns, 189893 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12891.000000 12564.4074 2.53% - 0s 0 0 12576.0977 0 46 12891.0000 12576.0977 2.44% - 0s 0 0 12576.0977 0 49 12891.0000 12576.0977 2.44% - 0s 0 0 12588.1250 0 35 12891.0000 12588.1250 2.35% - 0s H 0 0 12877.000000 12588.1250 2.24% - 0s 0 0 12594.4600 0 47 12877.0000 12594.4600 2.19% - 0s 0 0 12594.5758 0 54 12877.0000 12594.5758 2.19% - 0s 0 0 12594.9500 0 51 12877.0000 12594.9500 2.19% - 0s 0 0 12595.1001 0 59 12877.0000 12595.1001 2.19% - 0s 0 0 12595.9234 0 57 12877.0000 12595.9234 2.18% - 1s 0 0 12596.0508 0 62 12877.0000 12596.0508 2.18% - 1s 0 0 12596.9372 0 55 12877.0000 12596.9372 2.17% - 1s 0 0 12597.0380 0 64 12877.0000 12597.0380 2.17% - 1s 0 0 12597.4113 0 57 12877.0000 12597.4113 2.17% - 1s 0 0 12597.4610 0 63 12877.0000 12597.4610 2.17% - 1s 0 0 12597.4870 0 64 12877.0000 12597.4870 2.17% - 1s 0 0 12597.8000 0 57 12877.0000 12597.8000 2.17% - 1s 0 0 12597.8542 0 66 12877.0000 12597.8542 2.17% - 1s 0 0 12597.9582 0 72 12877.0000 12597.9582 2.17% - 1s 0 0 12599.0114 0 58 12877.0000 12599.0114 2.16% - 1s 0 0 12599.1848 0 51 12877.0000 12599.1848 2.16% - 1s 0 0 12599.4522 0 59 12877.0000 12599.4522 2.16% - 1s 0 0 12599.7473 0 65 12877.0000 12599.7473 2.15% - 1s 0 0 12600.2054 0 56 12877.0000 12600.2054 2.15% - 1s 0 0 12600.6153 0 63 12877.0000 12600.6153 2.15% - 1s 0 2 12600.7416 0 63 12877.0000 12600.7416 2.15% - 2s H 54 31 12875.000000 12631.0000 1.90% 4.8 2s * 190 98 20 12874.000000 12648.2812 1.75% 5.8 2s * 304 136 21 12869.000000 12664.5000 1.59% 5.8 2s H 451 187 12868.000000 12687.5000 1.40% 6.2 3s 614 220 12716.0000 11 41 12868.0000 12716.0000 1.18% 6.4 5s * 1176 205 33 12867.000000 12718.5000 1.15% 6.7 6s Cutting planes: Gomory: 5 Zero half: 9 Explored 2436 nodes (15979 simplex iterations) in 7.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286700000000e+04, best bound 1.286600000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (33, 47), (36, 46)] Optimize a model with 766 rows, 1128 columns and 190124 nonzeros Presolve time: 0.11s Presolved: 766 rows, 1128 columns, 190124 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12879.000000 12564.4074 2.44% - 0s 0 0 12576.0977 0 46 12879.0000 12576.0977 2.35% - 0s 0 0 12576.0977 0 49 12879.0000 12576.0977 2.35% - 0s 0 0 12588.1250 0 35 12879.0000 12588.1250 2.26% - 0s 0 0 12590.0814 0 54 12879.0000 12590.0814 2.24% - 0s 0 0 12593.4036 0 51 12879.0000 12593.4036 2.22% - 0s 0 0 12594.8303 0 59 12879.0000 12594.8303 2.21% - 0s 0 0 12595.6619 0 49 12879.0000 12595.6619 2.20% - 1s 0 0 12595.9143 0 57 12879.0000 12595.9143 2.20% - 1s 0 0 12596.2995 0 53 12879.0000 12596.2995 2.20% - 1s 0 0 12596.3370 0 62 12879.0000 12596.3370 2.19% - 1s 0 0 12597.8936 0 64 12879.0000 12597.8936 2.18% - 1s 0 0 12598.2667 0 52 12879.0000 12598.2667 2.18% - 1s 0 0 12598.2696 0 60 12879.0000 12598.2696 2.18% - 1s 0 0 12598.4027 0 57 12879.0000 12598.4027 2.18% - 1s 0 0 12598.4094 0 62 12879.0000 12598.4094 2.18% - 1s 0 0 12598.4576 0 68 12879.0000 12598.4576 2.18% - 1s 0 0 12598.6487 0 68 12879.0000 12598.6487 2.18% - 1s 0 0 12599.0392 0 58 12879.0000 12599.0392 2.17% - 1s 0 0 12599.5354 0 64 12879.0000 12599.5354 2.17% - 1s 0 0 12599.6462 0 64 12879.0000 12599.6462 2.17% - 1s 0 0 12599.7976 0 67 12879.0000 12599.7976 2.17% - 1s 0 0 12600.0548 0 54 12879.0000 12600.0548 2.17% - 1s 0 0 12600.1075 0 69 12879.0000 12600.1075 2.17% - 1s 0 0 12600.3834 0 71 12879.0000 12600.3834 2.16% - 1s 0 0 12600.4944 0 71 12879.0000 12600.4944 2.16% - 1s H 0 0 12869.000000 12600.4944 2.09% - 2s 0 2 12600.7009 0 71 12869.0000 12600.7009 2.08% - 2s * 120 69 17 12868.000000 12653.8750 1.66% 6.4 3s * 300 153 17 12867.000000 12687.9000 1.39% 6.4 3s 613 189 12796.0000 23 71 12867.0000 12726.2321 1.09% 6.5 5s Cutting planes: Gomory: 5 Zero half: 9 Explored 1953 nodes (13524 simplex iterations) in 7.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286700000000e+04, best bound 1.286700000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46), (38, 40)] Optimize a model with 767 rows, 1128 columns and 190377 nonzeros Presolve time: 0.11s Presolved: 767 rows, 1128 columns, 190377 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12564.4074 2.52% - 0s 0 0 12576.0977 0 46 12889.0000 12576.0977 2.43% - 0s 0 0 12576.0977 0 49 12889.0000 12576.0977 2.43% - 0s 0 0 12588.1250 0 35 12889.0000 12588.1250 2.33% - 0s 0 0 12594.4600 0 47 12889.0000 12594.4600 2.29% - 0s 0 0 12594.5758 0 54 12889.0000 12594.5758 2.28% - 0s 0 0 12595.3333 0 43 12889.0000 12595.3333 2.28% - 0s 0 0 12595.4164 0 59 12889.0000 12595.4164 2.28% - 0s 0 0 12595.9469 0 57 12889.0000 12595.9469 2.27% - 0s 0 0 12596.0311 0 62 12889.0000 12596.0311 2.27% - 1s 0 0 12597.0042 0 56 12889.0000 12597.0042 2.27% - 1s 0 0 12597.0994 0 64 12889.0000 12597.0994 2.26% - 1s 0 0 12597.7443 0 60 12889.0000 12597.7443 2.26% - 1s 0 0 12597.8298 0 66 12889.0000 12597.8298 2.26% - 1s 0 0 12598.3231 0 60 12889.0000 12598.3231 2.26% - 1s 0 0 12598.4788 0 66 12889.0000 12598.4788 2.25% - 1s 0 0 12598.6755 0 65 12889.0000 12598.6755 2.25% - 1s 0 0 12598.7780 0 70 12889.0000 12598.7780 2.25% - 1s 0 0 12599.8092 0 64 12889.0000 12599.8092 2.24% - 1s 0 0 12599.8935 0 67 12889.0000 12599.8935 2.24% - 1s 0 0 12600.0826 0 65 12889.0000 12600.0826 2.24% - 1s 0 0 12600.1759 0 64 12889.0000 12600.1759 2.24% - 1s 0 0 12600.1785 0 65 12889.0000 12600.1785 2.24% - 1s 0 0 12600.2146 0 72 12889.0000 12600.2146 2.24% - 1s 0 0 12600.5492 0 72 12889.0000 12600.5492 2.24% - 1s 0 0 12600.5849 0 70 12889.0000 12600.5849 2.24% - 1s 0 0 12600.6476 0 77 12889.0000 12600.6476 2.24% - 1s 0 0 12601.2912 0 59 12889.0000 12601.2912 2.23% - 1s 0 0 12601.5840 0 72 12889.0000 12601.5840 2.23% - 1s H 0 0 12881.000000 12601.5840 2.17% - 2s 0 2 12601.6497 0 72 12881.0000 12601.6497 2.17% - 2s H 27 23 12875.000000 12634.8889 1.86% 9.6 2s H 102 58 12874.000000 12638.4000 1.83% 5.2 3s * 171 84 16 12869.000000 12658.8000 1.63% 5.2 3s * 346 141 17 12867.000000 12678.2857 1.47% 6.1 3s 601 166 12790.0625 14 46 12867.0000 12717.0000 1.17% 6.7 5s Cutting planes: Gomory: 4 Zero half: 10 Mod-K: 1 Explored 1874 nodes (12212 simplex iterations) in 8.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286700000000e+04, best bound 1.286700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 768 rows, 1128 columns and 190653 nonzeros Presolve time: 0.11s Presolved: 768 rows, 1128 columns, 190653 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12594.3235 0 48 12902.0000 12594.3235 2.38% - 0s 0 0 12596.9271 0 51 12902.0000 12596.9271 2.36% - 0s 0 0 12598.3648 0 51 12902.0000 12598.3648 2.35% - 0s 0 0 12598.5578 0 54 12902.0000 12598.5578 2.35% - 1s 0 0 12598.7481 0 60 12902.0000 12598.7481 2.35% - 1s 0 0 12599.3191 0 46 12902.0000 12599.3191 2.35% - 1s 0 0 12599.4285 0 54 12902.0000 12599.4285 2.35% - 1s 0 0 12599.6687 0 50 12902.0000 12599.6687 2.34% - 1s 0 0 12599.7322 0 52 12902.0000 12599.7322 2.34% - 1s 0 0 12599.8287 0 62 12902.0000 12599.8287 2.34% - 1s 0 0 12599.8438 0 63 12902.0000 12599.8438 2.34% - 1s 0 0 12600.7807 0 52 12902.0000 12600.7807 2.33% - 1s 0 0 12600.8589 0 55 12902.0000 12600.8589 2.33% - 1s 0 0 12600.9059 0 63 12902.0000 12600.9059 2.33% - 1s 0 0 12601.2196 0 65 12902.0000 12601.2196 2.33% - 1s 0 0 12601.3851 0 57 12902.0000 12601.3851 2.33% - 1s 0 0 12601.5048 0 64 12902.0000 12601.5048 2.33% - 1s 0 0 12601.5663 0 59 12902.0000 12601.5663 2.33% - 1s 0 0 12601.5894 0 61 12902.0000 12601.5894 2.33% - 1s 0 0 12601.6463 0 73 12902.0000 12601.6463 2.33% - 1s 0 0 12601.7065 0 69 12902.0000 12601.7065 2.33% - 1s 0 2 12601.7726 0 69 12902.0000 12601.7726 2.33% - 2s H 27 22 12896.000000 12635.9286 2.02% 10.1 2s H 48 24 12871.000000 12635.9286 1.83% 7.9 2s * 178 94 11 12868.000000 12655.0000 1.66% 7.0 3s * 227 107 15 12867.000000 12659.2820 1.61% 6.6 3s 701 171 12807.6667 7 46 12867.0000 12726.1250 1.09% 6.9 5s Cutting planes: Gomory: 5 Zero half: 7 Mod-K: 1 Explored 2250 nodes (15125 simplex iterations) in 8.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286700000000e+04, best bound 1.286600000000e+04, gap 0.0078% adding cut for [(33, 46), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 769 rows, 1128 columns and 190843 nonzeros Presolve time: 0.11s Presolved: 769 rows, 1128 columns, 190843 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12594.3235 0 48 12902.0000 12594.3235 2.38% - 0s 0 0 12596.9271 0 51 12902.0000 12596.9271 2.36% - 0s 0 0 12598.3648 0 51 12902.0000 12598.3648 2.35% - 0s 0 0 12598.5578 0 54 12902.0000 12598.5578 2.35% - 0s 0 0 12598.7481 0 60 12902.0000 12598.7481 2.35% - 1s 0 0 12599.3191 0 46 12902.0000 12599.3191 2.35% - 1s 0 0 12599.4285 0 54 12902.0000 12599.4285 2.35% - 1s 0 0 12599.6687 0 50 12902.0000 12599.6687 2.34% - 1s 0 0 12599.7322 0 52 12902.0000 12599.7322 2.34% - 1s 0 0 12599.8287 0 62 12902.0000 12599.8287 2.34% - 1s 0 0 12599.8438 0 63 12902.0000 12599.8438 2.34% - 1s 0 0 12600.7807 0 52 12902.0000 12600.7807 2.33% - 1s 0 0 12600.8589 0 55 12902.0000 12600.8589 2.33% - 1s 0 0 12600.9059 0 63 12902.0000 12600.9059 2.33% - 1s 0 0 12601.2196 0 65 12902.0000 12601.2196 2.33% - 1s 0 0 12601.3851 0 57 12902.0000 12601.3851 2.33% - 1s 0 0 12601.5048 0 64 12902.0000 12601.5048 2.33% - 1s 0 0 12601.5783 0 58 12902.0000 12601.5783 2.33% - 1s 0 0 12601.6382 0 63 12902.0000 12601.6382 2.33% - 1s 0 0 12601.6549 0 62 12902.0000 12601.6549 2.33% - 1s 0 0 12601.6835 0 68 12902.0000 12601.6835 2.33% - 1s 0 0 12601.6942 0 67 12902.0000 12601.6942 2.33% - 1s 0 0 12601.7302 0 74 12902.0000 12601.7302 2.33% - 1s 0 0 12601.7489 0 69 12902.0000 12601.7489 2.33% - 1s 0 2 12601.8784 0 69 12902.0000 12601.8784 2.33% - 2s * 83 43 25 12870.000000 12637.0000 1.81% 7.9 3s H 284 136 12869.000000 12673.3929 1.52% 7.0 3s * 500 183 17 12868.000000 12705.9231 1.26% 7.3 4s 601 200 12827.3333 12 46 12868.0000 12721.0000 1.14% 7.3 5s * 1517 258 26 12867.000000 12735.0000 1.03% 7.3 7s Cutting planes: Gomory: 4 Zero half: 6 Mod-K: 3 Explored 2443 nodes (17399 simplex iterations) in 9.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286700000000e+04, best bound 1.286600000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 21), (16, 36), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 770 rows, 1128 columns and 191119 nonzeros Presolve time: 0.11s Presolved: 770 rows, 1128 columns, 191119 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12594.3235 0 48 12902.0000 12594.3235 2.38% - 0s 0 0 12596.9271 0 51 12902.0000 12596.9271 2.36% - 0s 0 0 12598.3648 0 51 12902.0000 12598.3648 2.35% - 0s 0 0 12598.5578 0 54 12902.0000 12598.5578 2.35% - 1s 0 0 12598.7481 0 60 12902.0000 12598.7481 2.35% - 1s 0 0 12599.3191 0 46 12902.0000 12599.3191 2.35% - 1s 0 0 12599.4285 0 54 12902.0000 12599.4285 2.35% - 1s 0 0 12599.6687 0 50 12902.0000 12599.6687 2.34% - 1s 0 0 12599.7322 0 52 12902.0000 12599.7322 2.34% - 1s 0 0 12599.8287 0 62 12902.0000 12599.8287 2.34% - 1s 0 0 12599.8438 0 63 12902.0000 12599.8438 2.34% - 1s 0 0 12600.5782 0 54 12902.0000 12600.5782 2.34% - 1s 0 0 12600.7210 0 62 12902.0000 12600.7210 2.34% - 1s 0 0 12601.2065 0 62 12902.0000 12601.2065 2.33% - 1s 0 0 12601.3463 0 67 12902.0000 12601.3463 2.33% - 1s 0 0 12601.4587 0 69 12902.0000 12601.4587 2.33% - 1s 0 2 12601.6204 0 69 12902.0000 12601.6204 2.33% - 2s * 72 34 69 12870.000000 12627.8148 1.88% 5.3 2s 613 217 12813.0000 11 69 12870.0000 12711.3214 1.23% 5.6 5s * 748 222 29 12868.000000 12711.3214 1.22% 6.7 5s Cutting planes: Gomory: 4 Zero half: 8 Explored 2352 nodes (15595 simplex iterations) in 8.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286800000000e+04, best bound 1.286800000000e+04, gap 0.0% adding cut for [(4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 771 rows, 1128 columns and 191309 nonzeros Presolve time: 0.11s Presolved: 771 rows, 1128 columns, 191309 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12868.000000 12564.4074 2.36% - 0s 0 0 12576.0977 0 46 12868.0000 12576.0977 2.27% - 0s 0 0 12576.0977 0 49 12868.0000 12576.0977 2.27% - 0s 0 0 12588.1250 0 35 12868.0000 12588.1250 2.17% - 0s 0 0 12594.4600 0 47 12868.0000 12594.4600 2.13% - 0s 0 0 12594.5870 0 54 12868.0000 12594.5870 2.12% - 0s 0 0 12595.0585 0 59 12868.0000 12595.0585 2.12% - 0s 0 0 12595.6820 0 57 12868.0000 12595.6820 2.12% - 0s 0 0 12596.0635 0 53 12868.0000 12596.0635 2.11% - 1s 0 0 12596.1880 0 63 12868.0000 12596.1880 2.11% - 1s 0 0 12596.8079 0 57 12868.0000 12596.8079 2.11% - 1s 0 0 12596.9075 0 66 12868.0000 12596.9075 2.11% - 1s 0 0 12597.7349 0 54 12868.0000 12597.7349 2.10% - 1s 0 0 12597.8100 0 64 12868.0000 12597.8100 2.10% - 1s 0 0 12598.1293 0 64 12868.0000 12598.1293 2.10% - 1s 0 0 12598.4381 0 66 12868.0000 12598.4381 2.09% - 1s 0 0 12599.1262 0 62 12868.0000 12599.1262 2.09% - 1s 0 0 12599.2578 0 71 12868.0000 12599.2578 2.09% - 1s 0 0 12599.6520 0 57 12868.0000 12599.6520 2.09% - 1s 0 0 12599.7763 0 67 12868.0000 12599.7763 2.08% - 1s 0 0 12599.9959 0 58 12868.0000 12599.9959 2.08% - 1s 0 0 12600.3008 0 69 12868.0000 12600.3008 2.08% - 1s 0 0 12600.4106 0 66 12868.0000 12600.4106 2.08% - 1s 0 0 12600.4631 0 65 12868.0000 12600.4631 2.08% - 1s 0 0 12600.4655 0 69 12868.0000 12600.4655 2.08% - 1s 0 0 12600.5042 0 50 12868.0000 12600.5042 2.08% - 1s 0 0 12600.5178 0 70 12868.0000 12600.5178 2.08% - 1s 0 2 12600.6462 0 70 12868.0000 12600.6462 2.08% - 2s 617 217 12808.2500 11 68 12868.0000 12715.1667 1.19% 6.6 5s Cutting planes: Gomory: 4 Zero half: 9 Explored 2178 nodes (15335 simplex iterations) in 8.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286800000000e+04, best bound 1.286700000000e+04, gap 0.0078% adding cut for [(4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 772 rows, 1128 columns and 191462 nonzeros Presolve time: 0.11s Presolved: 772 rows, 1128 columns, 191462 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12594.3235 0 48 12902.0000 12594.3235 2.38% - 0s 0 0 12596.9271 0 51 12902.0000 12596.9271 2.36% - 0s 0 0 12598.3648 0 51 12902.0000 12598.3648 2.35% - 0s 0 0 12598.5578 0 54 12902.0000 12598.5578 2.35% - 1s 0 0 12598.7481 0 60 12902.0000 12598.7481 2.35% - 1s 0 0 12599.3191 0 46 12902.0000 12599.3191 2.35% - 1s 0 0 12599.4285 0 54 12902.0000 12599.4285 2.35% - 1s 0 0 12599.6687 0 50 12902.0000 12599.6687 2.34% - 1s 0 0 12599.7322 0 52 12902.0000 12599.7322 2.34% - 1s 0 0 12599.8287 0 62 12902.0000 12599.8287 2.34% - 1s 0 0 12599.8438 0 63 12902.0000 12599.8438 2.34% - 1s 0 0 12600.7807 0 52 12902.0000 12600.7807 2.33% - 1s 0 0 12600.8589 0 55 12902.0000 12600.8589 2.33% - 1s 0 0 12600.9059 0 63 12902.0000 12600.9059 2.33% - 1s 0 0 12601.2196 0 65 12902.0000 12601.2196 2.33% - 1s 0 0 12601.3851 0 57 12902.0000 12601.3851 2.33% - 1s 0 0 12601.5048 0 64 12902.0000 12601.5048 2.33% - 1s 0 0 12601.5783 0 58 12902.0000 12601.5783 2.33% - 1s 0 0 12601.6382 0 63 12902.0000 12601.6382 2.33% - 1s 0 0 12601.6549 0 62 12902.0000 12601.6549 2.33% - 1s 0 0 12601.6835 0 68 12902.0000 12601.6835 2.33% - 1s 0 0 12601.6942 0 67 12902.0000 12601.6942 2.33% - 1s 0 0 12601.7302 0 74 12902.0000 12601.7302 2.33% - 1s 0 0 12601.7489 0 69 12902.0000 12601.7489 2.33% - 1s 0 2 12601.8784 0 69 12902.0000 12601.8784 2.33% - 2s H 27 21 12872.000000 12627.2000 1.90% 6.4 3s * 108 68 29 12870.000000 12636.2161 1.82% 6.2 3s * 200 117 19 12869.000000 12651.3594 1.69% 5.7 3s 601 211 12723.0000 6 46 12869.0000 12715.6667 1.19% 6.4 5s * 920 242 28 12868.000000 12715.6667 1.18% 7.0 7s Cutting planes: Gomory: 4 Zero half: 6 Mod-K: 3 Explored 2355 nodes (15683 simplex iterations) in 8.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286800000000e+04, best bound 1.286700000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (12, 21), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 773 rows, 1128 columns and 191738 nonzeros Presolve time: 0.11s Presolved: 773 rows, 1128 columns, 191738 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12891.000000 12564.4074 2.53% - 0s 0 0 12576.0977 0 46 12891.0000 12576.0977 2.44% - 0s 0 0 12576.0977 0 49 12891.0000 12576.0977 2.44% - 0s 0 0 12588.1250 0 35 12891.0000 12588.1250 2.35% - 0s 0 0 12594.4600 0 47 12891.0000 12594.4600 2.30% - 0s 0 0 12594.5758 0 54 12891.0000 12594.5758 2.30% - 0s 0 0 12595.0554 0 59 12891.0000 12595.0554 2.30% - 0s 0 0 12595.9234 0 57 12891.0000 12595.9234 2.29% - 1s 0 0 12596.0508 0 62 12891.0000 12596.0508 2.29% - 1s 0 0 12597.0053 0 56 12891.0000 12597.0053 2.28% - 1s 0 0 12597.1012 0 64 12891.0000 12597.1012 2.28% - 1s 0 0 12597.6721 0 52 12891.0000 12597.6721 2.28% - 1s 0 0 12597.7019 0 56 12891.0000 12597.7019 2.28% - 1s 0 0 12597.8167 0 64 12891.0000 12597.8167 2.27% - 1s 0 0 12597.9682 0 65 12891.0000 12597.9682 2.27% - 1s 0 0 12598.1111 0 30 12891.0000 12598.1111 2.27% - 1s 0 0 12598.2938 0 72 12891.0000 12598.2938 2.27% - 1s 0 0 12598.4976 0 67 12891.0000 12598.4976 2.27% - 1s 0 0 12598.7097 0 70 12891.0000 12598.7097 2.27% - 1s 0 0 12598.8739 0 72 12891.0000 12598.8739 2.27% - 1s 0 0 12599.6859 0 64 12891.0000 12599.6859 2.26% - 1s 0 0 12600.0789 0 66 12891.0000 12600.0789 2.26% - 1s 0 0 12601.2085 0 69 12891.0000 12601.2085 2.25% - 1s 0 0 12601.8206 0 67 12891.0000 12601.8206 2.24% - 1s 0 0 12601.8235 0 68 12891.0000 12601.8235 2.24% - 1s H 0 0 12871.000000 12601.8235 2.09% - 2s 0 2 12601.8243 0 68 12871.0000 12601.8243 2.09% - 2s * 229 105 14 12869.000000 12669.1304 1.55% 5.7 3s 610 216 12717.0000 12 64 12869.0000 12714.0000 1.20% 6.6 5s * 1014 230 29 12868.000000 12714.0000 1.20% 7.8 6s Cutting planes: Gomory: 4 Zero half: 9 Explored 2919 nodes (20492 simplex iterations) in 9.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286800000000e+04, best bound 1.286800000000e+04, gap 0.0% adding cut for [(4, 10), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (10, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 774 rows, 1128 columns and 191909 nonzeros Presolve time: 0.11s Presolved: 774 rows, 1128 columns, 191909 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12869.000000 12564.4074 2.37% - 0s 0 0 12576.0977 0 46 12869.0000 12576.0977 2.28% - 0s 0 0 12576.0977 0 49 12869.0000 12576.0977 2.28% - 0s 0 0 12588.1250 0 35 12869.0000 12588.1250 2.18% - 0s 0 0 12594.4600 0 47 12869.0000 12594.4600 2.13% - 0s 0 0 12594.5870 0 54 12869.0000 12594.5870 2.13% - 0s 0 0 12595.0585 0 59 12869.0000 12595.0585 2.13% - 0s 0 0 12595.6820 0 57 12869.0000 12595.6820 2.12% - 1s 0 0 12596.0635 0 53 12869.0000 12596.0635 2.12% - 1s 0 0 12596.1880 0 63 12869.0000 12596.1880 2.12% - 1s 0 0 12596.8079 0 57 12869.0000 12596.8079 2.12% - 1s 0 0 12596.9075 0 66 12869.0000 12596.9075 2.11% - 1s 0 0 12597.4912 0 61 12869.0000 12597.4912 2.11% - 1s 0 0 12598.0477 0 60 12869.0000 12598.0477 2.11% - 1s 0 0 12598.2030 0 67 12869.0000 12598.2030 2.10% - 1s 0 0 12598.3684 0 73 12869.0000 12598.3684 2.10% - 1s 0 0 12598.9482 0 66 12869.0000 12598.9482 2.10% - 1s 0 0 12599.3139 0 66 12869.0000 12599.3139 2.10% - 1s 0 0 12599.5523 0 69 12869.0000 12599.5523 2.09% - 1s 0 0 12599.9368 0 69 12869.0000 12599.9368 2.09% - 1s 0 0 12600.1946 0 67 12869.0000 12600.1946 2.09% - 1s 0 0 12600.5403 0 70 12869.0000 12600.5403 2.09% - 1s 0 0 12600.8043 0 72 12869.0000 12600.8043 2.08% - 1s 0 0 12601.0390 0 69 12869.0000 12601.0390 2.08% - 1s 0 0 12601.3124 0 70 12869.0000 12601.3124 2.08% - 1s 0 0 12601.5849 0 67 12869.0000 12601.5849 2.08% - 1s 0 2 12601.6514 0 67 12869.0000 12601.6514 2.08% - 2s 615 203 12750.7800 5 72 12869.0000 12706.2222 1.26% 5.9 5s * 1738 224 21 12868.000000 12774.0000 0.73% 6.5 7s Cutting planes: Gomory: 4 Zero half: 11 Explored 2367 nodes (15200 simplex iterations) in 7.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286800000000e+04, best bound 1.286700000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (12, 13), (16, 36), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 775 rows, 1128 columns and 192119 nonzeros Presolve time: 0.11s Presolved: 775 rows, 1128 columns, 192119 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12564.4074 2.52% - 0s 0 0 12576.0977 0 46 12889.0000 12576.0977 2.43% - 0s 0 0 12576.0977 0 49 12889.0000 12576.0977 2.43% - 0s 0 0 12588.1250 0 35 12889.0000 12588.1250 2.33% - 0s 0 0 12594.4600 0 47 12889.0000 12594.4600 2.29% - 0s 0 0 12594.5758 0 54 12889.0000 12594.5758 2.28% - 0s 0 0 12595.3333 0 43 12889.0000 12595.3333 2.28% - 0s 0 0 12595.4164 0 59 12889.0000 12595.4164 2.28% - 1s 0 0 12595.9469 0 57 12889.0000 12595.9469 2.27% - 1s 0 0 12596.0311 0 62 12889.0000 12596.0311 2.27% - 1s 0 0 12597.0042 0 56 12889.0000 12597.0042 2.27% - 1s 0 0 12597.0994 0 64 12889.0000 12597.0994 2.26% - 1s 0 0 12597.7443 0 60 12889.0000 12597.7443 2.26% - 1s 0 0 12597.8298 0 66 12889.0000 12597.8298 2.26% - 1s 0 0 12598.3231 0 60 12889.0000 12598.3231 2.26% - 1s 0 0 12598.4721 0 66 12889.0000 12598.4721 2.25% - 1s 0 0 12598.6659 0 69 12889.0000 12598.6659 2.25% - 1s 0 0 12599.4249 0 64 12889.0000 12599.4249 2.25% - 1s 0 0 12599.5634 0 65 12889.0000 12599.5634 2.25% - 1s 0 0 12599.8796 0 68 12889.0000 12599.8796 2.24% - 1s 0 0 12599.9451 0 66 12889.0000 12599.9451 2.24% - 1s 0 0 12600.0631 0 71 12889.0000 12600.0631 2.24% - 1s H 0 0 12881.000000 12600.0631 2.18% - 1s 0 2 12600.2259 0 71 12881.0000 12600.2259 2.18% - 2s * 100 46 31 12875.000000 12614.3636 2.02% 6.2 2s H 141 72 12872.000000 12639.6667 1.80% 5.9 2s * 240 123 8 12868.000000 12645.3333 1.73% 5.5 3s 609 168 12824.0000 9 72 12868.0000 12721.5000 1.14% 6.2 5s Cutting planes: Gomory: 4 Zero half: 9 Explored 1846 nodes (11806 simplex iterations) in 7.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286800000000e+04, best bound 1.286800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 24), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 776 rows, 1128 columns and 192419 nonzeros Presolve time: 0.11s Presolved: 776 rows, 1128 columns, 192419 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12594.3235 0 48 12902.0000 12594.3235 2.38% - 0s 0 0 12596.9271 0 51 12902.0000 12596.9271 2.36% - 0s 0 0 12598.3648 0 51 12902.0000 12598.3648 2.35% - 1s 0 0 12598.5578 0 54 12902.0000 12598.5578 2.35% - 1s 0 0 12598.7481 0 60 12902.0000 12598.7481 2.35% - 1s 0 0 12599.3191 0 46 12902.0000 12599.3191 2.35% - 1s 0 0 12599.4285 0 54 12902.0000 12599.4285 2.35% - 1s 0 0 12599.6687 0 50 12902.0000 12599.6687 2.34% - 1s 0 0 12599.7322 0 52 12902.0000 12599.7322 2.34% - 1s 0 0 12599.8287 0 62 12902.0000 12599.8287 2.34% - 1s 0 0 12599.8438 0 63 12902.0000 12599.8438 2.34% - 1s 0 0 12600.5782 0 54 12902.0000 12600.5782 2.34% - 1s 0 0 12600.7472 0 62 12902.0000 12600.7472 2.33% - 1s 0 0 12601.2835 0 62 12902.0000 12601.2835 2.33% - 1s 0 0 12601.3701 0 67 12902.0000 12601.3701 2.33% - 1s 0 0 12601.5161 0 61 12902.0000 12601.5161 2.33% - 1s 0 0 12601.5983 0 72 12902.0000 12601.5983 2.33% - 1s 0 0 12601.9462 0 63 12902.0000 12601.9462 2.33% - 1s 0 0 12602.3185 0 64 12902.0000 12602.3185 2.32% - 1s H 0 0 12887.000000 12602.3185 2.21% - 2s 0 2 12602.4688 0 64 12887.0000 12602.4688 2.21% - 2s H 81 50 12872.000000 12638.2431 1.82% 7.0 2s * 256 114 40 12871.000000 12664.0000 1.61% 7.1 3s H 257 111 12869.000000 12664.0000 1.59% 7.1 3s 609 193 12789.0000 25 64 12869.0000 12716.2727 1.19% 7.3 5s Cutting planes: Gomory: 4 Zero half: 8 Explored 2100 nodes (14546 simplex iterations) in 7.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286900000000e+04, best bound 1.286900000000e+04, gap 0.0% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (10, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 777 rows, 1128 columns and 192609 nonzeros Presolve time: 0.11s Presolved: 777 rows, 1128 columns, 192609 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12871.000000 12564.4074 2.38% - 0s 0 0 12576.0977 0 46 12871.0000 12576.0977 2.29% - 0s 0 0 12576.0977 0 49 12871.0000 12576.0977 2.29% - 0s 0 0 12588.1250 0 35 12871.0000 12588.1250 2.20% - 0s 0 0 12595.4340 0 42 12871.0000 12595.4340 2.14% - 0s 0 0 12599.2222 0 45 12871.0000 12599.2222 2.11% - 0s 0 0 12599.6015 0 55 12871.0000 12599.6015 2.11% - 0s 0 0 12601.6135 0 52 12871.0000 12601.6135 2.09% - 0s 0 0 12601.8568 0 59 12871.0000 12601.8568 2.09% - 1s 0 0 12602.1618 0 58 12871.0000 12602.1618 2.09% - 1s 0 0 12602.2182 0 67 12871.0000 12602.2182 2.09% - 1s 0 0 12603.2527 0 58 12871.0000 12603.2527 2.08% - 1s 0 0 12603.2661 0 63 12871.0000 12603.2661 2.08% - 1s 0 0 12603.2875 0 61 12871.0000 12603.2875 2.08% - 1s 0 0 12603.3338 0 60 12871.0000 12603.3338 2.08% - 1s 0 0 12603.3669 0 66 12871.0000 12603.3669 2.08% - 1s 0 0 12603.7555 0 67 12871.0000 12603.7555 2.08% - 1s 0 0 12603.8747 0 67 12871.0000 12603.8747 2.08% - 1s 0 0 12603.9977 0 60 12871.0000 12603.9977 2.07% - 1s 0 0 12604.0403 0 65 12871.0000 12604.0403 2.07% - 1s 0 0 12604.2935 0 67 12871.0000 12604.2935 2.07% - 1s 0 0 12604.3021 0 70 12871.0000 12604.3021 2.07% - 1s 0 0 12604.5406 0 61 12871.0000 12604.5406 2.07% - 1s 0 0 12604.5483 0 69 12871.0000 12604.5483 2.07% - 1s 0 2 12604.9075 0 69 12871.0000 12604.9075 2.07% - 2s * 271 123 19 12870.000000 12673.2500 1.53% 7.3 3s * 512 176 18 12869.000000 12704.0000 1.28% 7.6 3s 605 200 12725.6000 10 49 12869.0000 12710.5831 1.23% 7.3 5s Cutting planes: Gomory: 5 Zero half: 6 Explored 2378 nodes (16228 simplex iterations) in 8.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286900000000e+04, best bound 1.286900000000e+04, gap 0.0% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 778 rows, 1128 columns and 192840 nonzeros Presolve time: 0.11s Presolved: 778 rows, 1128 columns, 192840 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12564.4074 2.44% - 0s 0 0 12576.0977 0 46 12878.0000 12576.0977 2.34% - 0s 0 0 12576.0977 0 49 12878.0000 12576.0977 2.34% - 0s 0 0 12588.1250 0 35 12878.0000 12588.1250 2.25% - 0s 0 0 12590.0814 0 54 12878.0000 12590.0814 2.24% - 0s 0 0 12593.5382 0 47 12878.0000 12593.5382 2.21% - 0s 0 0 12594.5431 0 54 12878.0000 12594.5431 2.20% - 0s 0 0 12595.3644 0 52 12878.0000 12595.3644 2.19% - 0s 0 0 12595.4623 0 59 12878.0000 12595.4623 2.19% - 1s 0 0 12595.7271 0 64 12878.0000 12595.7271 2.19% - 1s 0 0 12597.7500 0 51 12878.0000 12597.7500 2.18% - 1s 0 0 12598.2471 0 56 12878.0000 12598.2471 2.17% - 1s 0 0 12598.3374 0 60 12878.0000 12598.3374 2.17% - 1s 0 0 12598.4174 0 62 12878.0000 12598.4174 2.17% - 1s 0 0 12598.6441 0 61 12878.0000 12598.6441 2.17% - 1s 0 0 12598.9690 0 63 12878.0000 12598.9690 2.17% - 1s 0 0 12598.9732 0 63 12878.0000 12598.9732 2.17% - 1s H 0 0 12870.000000 12598.9732 2.11% - 1s 0 2 12599.2262 0 63 12870.0000 12599.2262 2.10% - 1s 714 233 12824.8544 6 66 12870.0000 12722.5000 1.15% 6.5 5s * 1150 228 16 12869.000000 12722.5000 1.14% 6.9 6s Cutting planes: Gomory: 4 Zero half: 7 Explored 2038 nodes (14026 simplex iterations) in 7.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286900000000e+04, best bound 1.286900000000e+04, gap 0.0% adding cut for [(33, 46), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (12, 21), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 779 rows, 1128 columns and 193050 nonzeros Presolve time: 0.11s Presolved: 779 rows, 1128 columns, 193050 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12891.000000 12564.4074 2.53% - 0s 0 0 12576.0977 0 46 12891.0000 12576.0977 2.44% - 0s 0 0 12576.0977 0 49 12891.0000 12576.0977 2.44% - 0s 0 0 12588.1250 0 35 12891.0000 12588.1250 2.35% - 0s 0 0 12593.4036 0 51 12891.0000 12593.4036 2.31% - 0s 0 0 12594.8133 0 54 12891.0000 12594.8133 2.30% - 0s 0 0 12595.1890 0 51 12891.0000 12595.1890 2.29% - 0s 0 0 12595.2858 0 59 12891.0000 12595.2858 2.29% - 1s 0 0 12595.6032 0 62 12891.0000 12595.6032 2.29% - 1s 0 0 12596.4362 0 55 12891.0000 12596.4362 2.29% - 1s 0 0 12596.5558 0 63 12891.0000 12596.5558 2.28% - 1s 0 0 12596.9693 0 57 12891.0000 12596.9693 2.28% - 1s 0 0 12597.2043 0 62 12891.0000 12597.2043 2.28% - 1s 0 0 12597.7774 0 65 12891.0000 12597.7774 2.27% - 1s 0 0 12598.2372 0 58 12891.0000 12598.2372 2.27% - 1s 0 0 12598.2454 0 63 12891.0000 12598.2454 2.27% - 1s 0 0 12598.3909 0 66 12891.0000 12598.3909 2.27% - 1s 0 0 12598.9530 0 63 12891.0000 12598.9530 2.27% - 1s 0 0 12599.1903 0 65 12891.0000 12599.1903 2.26% - 1s 0 0 12599.4542 0 67 12891.0000 12599.4542 2.26% - 1s 0 0 12599.7835 0 70 12891.0000 12599.7835 2.26% - 1s H 0 0 12877.000000 12599.7835 2.15% - 2s 0 2 12599.7989 0 70 12877.0000 12599.7989 2.15% - 2s * 85 32 83 12870.000000 12614.2857 1.99% 5.0 3s 602 189 12819.0000 17 46 12870.0000 12715.0000 1.20% 6.4 5s * 1169 186 24 12869.000000 12718.0000 1.17% 6.7 7s Cutting planes: Gomory: 4 Zero half: 9 Explored 2156 nodes (14183 simplex iterations) in 8.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286900000000e+04, best bound 1.286900000000e+04, gap 0.0% adding cut for [(4, 10), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (16, 33), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 780 rows, 1128 columns and 193260 nonzeros Presolve time: 0.11s Presolved: 780 rows, 1128 columns, 193260 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12564.4074 2.44% - 0s 0 0 12576.0977 0 46 12878.0000 12576.0977 2.34% - 0s 0 0 12576.0977 0 49 12878.0000 12576.0977 2.34% - 0s 0 0 12588.1250 0 35 12878.0000 12588.1250 2.25% - 0s 0 0 12592.6774 0 44 12878.0000 12592.6774 2.22% - 0s 0 0 12594.5374 0 54 12878.0000 12594.5374 2.20% - 0s 0 0 12600.5244 0 52 12878.0000 12600.5244 2.15% - 1s 0 0 12600.6571 0 60 12878.0000 12600.6571 2.15% - 1s 0 0 12601.5856 0 61 12878.0000 12601.5856 2.15% - 1s 0 0 12601.6371 0 58 12878.0000 12601.6371 2.15% - 1s 0 0 12601.8116 0 65 12878.0000 12601.8116 2.14% - 1s H 0 0 12870.000000 12601.8116 2.08% - 1s 0 2 12601.8427 0 65 12870.0000 12601.8427 2.08% - 1s 626 243 12702.5000 16 16 12870.0000 12702.5000 1.30% 6.2 5s * 3158 109 29 12869.000000 12827.6667 0.32% 6.4 8s Cutting planes: Gomory: 5 Zero half: 4 Mod-K: 1 Explored 3309 nodes (21122 simplex iterations) in 9.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.286900000000e+04, best bound 1.286800000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 21), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 781 rows, 1128 columns and 193560 nonzeros Presolve time: 0.11s Presolved: 781 rows, 1128 columns, 193560 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12564.4074 2.77% - 0s 0 0 12576.0977 0 46 12923.0000 12576.0977 2.68% - 0s 0 0 12576.0977 0 49 12923.0000 12576.0977 2.68% - 0s 0 0 12588.1250 0 35 12923.0000 12588.1250 2.59% - 0s 0 0 12594.4600 0 47 12923.0000 12594.4600 2.54% - 0s 0 0 12594.5758 0 54 12923.0000 12594.5758 2.54% - 0s 0 0 12595.0225 0 59 12923.0000 12595.0225 2.54% - 0s 0 0 12595.8744 0 59 12923.0000 12595.8744 2.53% - 1s 0 0 12596.7449 0 57 12923.0000 12596.7449 2.52% - 1s 0 0 12596.8170 0 55 12923.0000 12596.8170 2.52% - 1s 0 0 12596.9468 0 64 12923.0000 12596.9468 2.52% - 1s 0 0 12597.2250 0 60 12923.0000 12597.2250 2.52% - 1s 0 0 12597.5540 0 65 12923.0000 12597.5540 2.52% - 1s 0 0 12597.8255 0 61 12923.0000 12597.8255 2.52% - 1s 0 0 12597.9011 0 67 12923.0000 12597.9011 2.52% - 1s 0 0 12598.2985 0 68 12923.0000 12598.2985 2.51% - 1s 0 0 12598.3992 0 70 12923.0000 12598.3992 2.51% - 1s 0 0 12598.4117 0 73 12923.0000 12598.4117 2.51% - 1s 0 0 12598.7438 0 69 12923.0000 12598.7438 2.51% - 1s 0 0 12599.0610 0 71 12923.0000 12599.0610 2.51% - 1s 0 0 12599.2427 0 69 12923.0000 12599.2427 2.51% - 1s 0 0 12600.2500 0 29 12923.0000 12600.2500 2.50% - 1s 0 0 12600.2854 0 72 12923.0000 12600.2854 2.50% - 1s 0 0 12601.3636 0 42 12923.0000 12601.3636 2.49% - 1s 0 0 12601.4612 0 66 12923.0000 12601.4612 2.49% - 1s 0 0 12601.5000 0 26 12923.0000 12601.5000 2.49% - 1s 0 0 12601.5887 0 68 12923.0000 12601.5887 2.49% - 1s 0 0 12601.9474 0 49 12923.0000 12601.9474 2.48% - 1s 0 0 12601.9532 0 47 12923.0000 12601.9532 2.48% - 1s 0 0 12601.9610 0 62 12923.0000 12601.9610 2.48% - 1s H 0 0 12915.000000 12601.9610 2.42% - 2s H 0 0 12911.000000 12601.9610 2.39% - 2s 0 2 12601.9974 0 62 12911.0000 12601.9974 2.39% - 2s H 27 22 12899.000000 12620.3958 2.16% 8.0 2s * 186 110 16 12872.000000 12639.3571 1.81% 6.7 3s * 218 111 10 12870.000000 12643.9286 1.76% 6.9 3s 601 209 12839.8889 39 46 12870.0000 12708.0000 1.26% 6.9 5s Cutting planes: Gomory: 3 Zero half: 10 Explored 2844 nodes (20044 simplex iterations) in 9.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.287000000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 782 rows, 1128 columns and 193813 nonzeros Presolve time: 0.11s Presolved: 782 rows, 1128 columns, 193813 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12564.4074 2.47% - 0s 0 0 12576.0977 0 46 12882.0000 12576.0977 2.37% - 0s 0 0 12576.0977 0 49 12882.0000 12576.0977 2.37% - 0s 0 0 12588.1250 0 35 12882.0000 12588.1250 2.28% - 0s 0 0 12590.0814 0 54 12882.0000 12590.0814 2.27% - 0s 0 0 12593.5433 0 47 12882.0000 12593.5433 2.24% - 0s 0 0 12594.5741 0 55 12882.0000 12594.5741 2.23% - 1s 0 0 12595.3333 0 43 12882.0000 12595.3333 2.23% - 1s 0 0 12595.4015 0 51 12882.0000 12595.4015 2.22% - 1s 0 0 12595.4256 0 59 12882.0000 12595.4256 2.22% - 1s 0 0 12595.9177 0 51 12882.0000 12595.9177 2.22% - 1s 0 0 12596.0482 0 60 12882.0000 12596.0482 2.22% - 1s 0 0 12596.5506 0 54 12882.0000 12596.5506 2.22% - 1s 0 0 12596.7526 0 64 12882.0000 12596.7526 2.21% - 1s 0 0 12597.5900 0 52 12882.0000 12597.5900 2.21% - 1s 0 0 12597.7442 0 52 12882.0000 12597.7442 2.21% - 1s 0 0 12597.7566 0 58 12882.0000 12597.7566 2.21% - 1s 0 0 12597.9848 0 59 12882.0000 12597.9848 2.20% - 1s 0 0 12598.0879 0 64 12882.0000 12598.0879 2.20% - 1s 0 0 12598.4124 0 63 12882.0000 12598.4124 2.20% - 1s 0 0 12598.6496 0 65 12882.0000 12598.6496 2.20% - 1s 0 0 12598.9762 0 64 12882.0000 12598.9762 2.20% - 1s 0 0 12599.0502 0 69 12882.0000 12599.0502 2.20% - 1s 0 0 12599.1906 0 69 12882.0000 12599.1906 2.20% - 1s 0 0 12599.4098 0 66 12882.0000 12599.4098 2.19% - 1s 0 0 12600.4163 0 70 12882.0000 12600.4163 2.19% - 1s 0 0 12600.5871 0 69 12882.0000 12600.5871 2.18% - 1s 0 0 12600.6400 0 72 12882.0000 12600.6400 2.18% - 1s 0 2 12601.3657 0 72 12882.0000 12601.3657 2.18% - 2s H 27 20 12874.000000 12617.1250 2.00% 9.2 2s * 43 21 42 12871.000000 12617.1250 1.97% 8.1 2s * 74 44 31 12870.000000 12635.9286 1.82% 8.2 2s 611 199 12775.0000 15 72 12870.0000 12721.2500 1.16% 6.7 5s Cutting planes: Gomory: 4 Zero half: 11 Explored 2529 nodes (16449 simplex iterations) in 8.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.286900000000e+04, gap 0.0078% adding cut for [(33, 36), (4, 40), (7, 37), (7, 28), (10, 38), (10, 40), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 783 rows, 1128 columns and 194003 nonzeros Presolve time: 0.11s Presolved: 783 rows, 1128 columns, 194003 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12875.000000 12564.4074 2.41% - 0s 0 0 12576.0977 0 46 12875.0000 12576.0977 2.32% - 0s 0 0 12576.0977 0 49 12875.0000 12576.0977 2.32% - 0s 0 0 12588.1250 0 35 12875.0000 12588.1250 2.23% - 0s 0 0 12590.0814 0 54 12875.0000 12590.0814 2.21% - 0s 0 0 12593.4145 0 53 12875.0000 12593.4145 2.19% - 0s 0 0 12595.0026 0 51 12875.0000 12595.0026 2.17% - 0s 0 0 12595.2253 0 59 12875.0000 12595.2253 2.17% - 1s 0 0 12595.4762 0 57 12875.0000 12595.4762 2.17% - 1s 0 0 12595.7333 0 53 12875.0000 12595.7333 2.17% - 1s 0 0 12595.9512 0 61 12875.0000 12595.9512 2.17% - 1s 0 0 12596.2512 0 61 12875.0000 12596.2512 2.17% - 1s 0 0 12596.9176 0 64 12875.0000 12596.9176 2.16% - 1s 0 0 12597.9215 0 52 12875.0000 12597.9215 2.15% - 1s 0 0 12598.0417 0 62 12875.0000 12598.0417 2.15% - 1s 0 0 12598.6105 0 56 12875.0000 12598.6105 2.15% - 1s 0 0 12598.6988 0 65 12875.0000 12598.6988 2.15% - 1s 0 0 12598.8852 0 69 12875.0000 12598.8852 2.14% - 1s 0 0 12599.5000 0 29 12875.0000 12599.5000 2.14% - 1s 0 0 12599.5935 0 63 12875.0000 12599.5935 2.14% - 1s 0 0 12600.0857 0 64 12875.0000 12600.0857 2.14% - 1s 0 0 12600.8381 0 57 12875.0000 12600.8381 2.13% - 1s 0 0 12600.9685 0 64 12875.0000 12600.9685 2.13% - 1s 0 0 12601.4474 0 64 12875.0000 12601.4474 2.12% - 1s 0 0 12601.6503 0 61 12875.0000 12601.6503 2.12% - 1s 0 0 12601.6990 0 67 12875.0000 12601.6990 2.12% - 1s H 0 0 12874.000000 12601.6990 2.12% - 2s 0 2 12602.0654 0 67 12874.0000 12602.0654 2.11% - 2s * 73 23 71 12871.000000 12632.6667 1.85% 8.0 2s * 541 216 15 12870.000000 12706.2500 1.27% 7.0 3s 701 240 12835.0000 11 46 12870.0000 12717.3791 1.19% 6.9 5s Cutting planes: Gomory: 4 Zero half: 8 Explored 2845 nodes (18801 simplex iterations) in 9.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.287000000000e+04, gap 0.0% adding cut for [(33, 46), (2, 38), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 784 rows, 1128 columns and 194213 nonzeros Presolve time: 0.11s Presolved: 784 rows, 1128 columns, 194213 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12871.000000 12564.4074 2.38% - 0s 0 0 12576.0977 0 46 12871.0000 12576.0977 2.29% - 0s 0 0 12576.0977 0 49 12871.0000 12576.0977 2.29% - 0s 0 0 12588.1250 0 35 12871.0000 12588.1250 2.20% - 0s 0 0 12593.4517 0 52 12871.0000 12593.4517 2.16% - 0s 0 0 12594.9507 0 54 12871.0000 12594.9507 2.14% - 0s 0 0 12595.2786 0 52 12871.0000 12595.2786 2.14% - 0s 0 0 12595.3846 0 59 12871.0000 12595.3846 2.14% - 1s 0 0 12595.8224 0 60 12871.0000 12595.8224 2.14% - 1s 0 0 12596.3202 0 63 12871.0000 12596.3202 2.13% - 1s 0 0 12596.6477 0 65 12871.0000 12596.6477 2.13% - 1s 0 0 12597.4396 0 61 12871.0000 12597.4396 2.13% - 1s 0 0 12597.5273 0 66 12871.0000 12597.5273 2.12% - 1s 0 0 12597.9340 0 56 12871.0000 12597.9340 2.12% - 1s 0 0 12598.2251 0 65 12871.0000 12598.2251 2.12% - 1s 0 0 12598.2892 0 68 12871.0000 12598.2892 2.12% - 1s 0 0 12598.4742 0 66 12871.0000 12598.4742 2.12% - 1s 0 0 12598.6044 0 66 12871.0000 12598.6044 2.12% - 1s 0 0 12598.6071 0 72 12871.0000 12598.6071 2.12% - 1s 0 0 12598.7509 0 67 12871.0000 12598.7509 2.12% - 1s 0 0 12598.8689 0 74 12871.0000 12598.8689 2.11% - 1s 0 0 12599.2457 0 74 12871.0000 12599.2457 2.11% - 1s 0 0 12600.1433 0 67 12871.0000 12600.1433 2.10% - 1s 0 0 12600.5169 0 64 12871.0000 12600.5169 2.10% - 1s 0 0 12600.7585 0 63 12871.0000 12600.7585 2.10% - 1s 0 2 12601.1896 0 63 12871.0000 12601.1896 2.10% - 2s * 194 74 15 12870.000000 12659.1111 1.64% 6.0 3s 611 168 12834.5000 30 64 12870.0000 12722.2500 1.15% 6.3 5s Cutting planes: Gomory: 4 Zero half: 10 Explored 2069 nodes (13068 simplex iterations) in 7.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.287000000000e+04, gap 0.0% adding cut for [(33, 46), (4, 10), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (13, 33), (13, 21), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 785 rows, 1128 columns and 194423 nonzeros Presolve time: 0.11s Presolved: 785 rows, 1128 columns, 194423 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12564.4074 2.44% - 0s 0 0 12576.0977 0 46 12878.0000 12576.0977 2.34% - 0s 0 0 12576.0977 0 49 12878.0000 12576.0977 2.34% - 0s 0 0 12588.1250 0 35 12878.0000 12588.1250 2.25% - 0s 0 0 12590.0814 0 54 12878.0000 12590.0814 2.24% - 0s 0 0 12595.6864 0 51 12878.0000 12595.6864 2.19% - 0s 0 0 12595.7537 0 57 12878.0000 12595.7537 2.19% - 0s 0 0 12596.1587 0 56 12878.0000 12596.1587 2.19% - 1s 0 0 12596.2098 0 56 12878.0000 12596.2098 2.19% - 1s 0 0 12596.2597 0 63 12878.0000 12596.2597 2.19% - 1s 0 0 12597.3062 0 56 12878.0000 12597.3062 2.18% - 1s 0 0 12597.3833 0 42 12878.0000 12597.3833 2.18% - 1s 0 0 12597.4301 0 65 12878.0000 12597.4301 2.18% - 1s 0 0 12597.7832 0 64 12878.0000 12597.7832 2.18% - 1s 0 0 12598.1576 0 60 12878.0000 12598.1576 2.17% - 1s 0 0 12598.6421 0 47 12878.0000 12598.6421 2.17% - 1s 0 0 12598.8390 0 53 12878.0000 12598.8390 2.17% - 1s 0 0 12598.9651 0 68 12878.0000 12598.9651 2.17% - 1s 0 0 12599.0163 0 67 12878.0000 12599.0163 2.17% - 1s 0 0 12599.0189 0 67 12878.0000 12599.0189 2.17% - 1s 0 2 12599.1948 0 67 12878.0000 12599.1948 2.16% - 2s * 59 21 56 12870.000000 12617.3185 1.96% 6.8 2s 620 211 12720.5000 9 67 12870.0000 12714.7500 1.21% 6.0 5s Cutting planes: Gomory: 3 Zero half: 10 Explored 2231 nodes (14514 simplex iterations) in 7.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.287000000000e+04, gap 0.0% adding cut for [(33, 44), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43)] Optimize a model with 786 rows, 1128 columns and 194576 nonzeros Presolve time: 0.11s Presolved: 786 rows, 1128 columns, 194576 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12564.4074 2.47% - 0s 0 0 12576.0977 0 46 12882.0000 12576.0977 2.37% - 0s 0 0 12576.0977 0 49 12882.0000 12576.0977 2.37% - 0s 0 0 12588.1250 0 35 12882.0000 12588.1250 2.28% - 0s 0 0 12595.4340 0 42 12882.0000 12595.4340 2.22% - 0s 0 0 12595.5165 0 51 12882.0000 12595.5165 2.22% - 0s 0 0 12599.2222 0 45 12882.0000 12599.2222 2.20% - 1s 0 0 12599.6015 0 55 12882.0000 12599.6015 2.19% - 1s 0 0 12601.6135 0 52 12882.0000 12601.6135 2.18% - 1s 0 0 12601.8665 0 59 12882.0000 12601.8665 2.17% - 1s 0 0 12602.1618 0 58 12882.0000 12602.1618 2.17% - 1s 0 0 12602.2182 0 67 12882.0000 12602.2182 2.17% - 1s 0 0 12603.2627 0 63 12882.0000 12603.2627 2.16% - 1s 0 0 12603.2819 0 61 12882.0000 12603.2819 2.16% - 1s 0 0 12603.3382 0 60 12882.0000 12603.3382 2.16% - 1s H 0 0 12877.000000 12603.3382 2.13% - 1s 0 2 12603.4643 0 60 12877.0000 12603.4643 2.12% - 2s H 67 30 12872.000000 12616.0170 1.99% 5.7 2s * 85 34 83 12871.000000 12616.0170 1.98% 5.4 2s 609 235 12798.0000 11 59 12871.0000 12709.5000 1.25% 6.6 5s * 847 240 20 12870.000000 12709.5000 1.25% 7.3 6s Cutting planes: Gomory: 5 Zero half: 2 Mod-K: 2 Explored 2447 nodes (16372 simplex iterations) in 8.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.286900000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 41), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 787 rows, 1128 columns and 194829 nonzeros Presolve time: 0.11s Presolved: 787 rows, 1128 columns, 194829 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12872.000000 12564.4074 2.39% - 0s 0 0 12576.0977 0 46 12872.0000 12576.0977 2.30% - 0s 0 0 12576.0977 0 49 12872.0000 12576.0977 2.30% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12593.4517 0 52 12872.0000 12593.4517 2.16% - 0s 0 0 12594.8301 0 54 12872.0000 12594.8301 2.15% - 0s 0 0 12595.1835 0 52 12872.0000 12595.1835 2.15% - 0s 0 0 12595.3708 0 60 12872.0000 12595.3708 2.15% - 0s 0 0 12595.7333 0 34 12872.0000 12595.7333 2.15% - 1s 0 0 12595.8116 0 60 12872.0000 12595.8116 2.15% - 1s 0 0 12596.6911 0 54 12872.0000 12596.6911 2.14% - 1s 0 0 12596.8095 0 54 12872.0000 12596.8095 2.14% - 1s 0 0 12596.8750 0 61 12872.0000 12596.8750 2.14% - 1s 0 0 12597.2514 0 63 12872.0000 12597.2514 2.13% - 1s 0 0 12597.8277 0 60 12872.0000 12597.8277 2.13% - 1s 0 0 12598.0741 0 64 12872.0000 12598.0741 2.13% - 1s 0 0 12598.6224 0 62 12872.0000 12598.6224 2.12% - 1s 0 0 12598.7503 0 64 12872.0000 12598.7503 2.12% - 1s 0 0 12598.7643 0 68 12872.0000 12598.7643 2.12% - 1s 0 0 12598.8683 0 67 12872.0000 12598.8683 2.12% - 1s 0 0 12599.2237 0 53 12872.0000 12599.2237 2.12% - 1s 0 0 12599.3557 0 66 12872.0000 12599.3557 2.12% - 1s 0 0 12599.4426 0 71 12872.0000 12599.4426 2.12% - 1s 0 0 12600.3084 0 73 12872.0000 12600.3084 2.11% - 1s 0 0 12600.5387 0 69 12872.0000 12600.5387 2.11% - 1s 0 0 12600.6034 0 74 12872.0000 12600.6034 2.11% - 1s 0 0 12600.6586 0 65 12872.0000 12600.6586 2.11% - 1s 0 0 12601.2535 0 56 12872.0000 12601.2535 2.10% - 1s 0 0 12601.6698 0 61 12872.0000 12601.6698 2.10% - 1s 0 0 12601.7435 0 64 12872.0000 12601.7435 2.10% - 1s 0 0 12601.7884 0 63 12872.0000 12601.7884 2.10% - 1s 0 2 12602.1491 0 63 12872.0000 12602.1491 2.10% - 2s * 102 59 26 12871.000000 12639.0000 1.80% 6.2 3s 603 198 12780.5000 12 49 12871.0000 12721.5000 1.16% 6.3 5s * 1019 208 25 12870.000000 12721.5000 1.15% 7.1 6s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 2 Explored 2194 nodes (14805 simplex iterations) in 8.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.286900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 24), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 788 rows, 1128 columns and 195060 nonzeros Presolve time: 0.11s Presolved: 788 rows, 1128 columns, 195060 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12593.9833 0 45 12902.0000 12593.9833 2.39% - 0s 0 0 12595.7756 0 52 12902.0000 12595.7756 2.37% - 0s 0 0 12598.3122 0 44 12902.0000 12598.3122 2.35% - 0s 0 0 12598.5123 0 52 12902.0000 12598.5123 2.35% - 1s 0 0 12599.2067 0 57 12902.0000 12599.2067 2.35% - 1s 0 0 12599.5253 0 46 12902.0000 12599.5253 2.34% - 1s 0 0 12599.9190 0 52 12902.0000 12599.9190 2.34% - 1s 0 0 12600.4040 0 63 12902.0000 12600.4040 2.34% - 1s 0 0 12601.0134 0 63 12902.0000 12601.0134 2.33% - 1s 0 0 12601.5897 0 59 12902.0000 12601.5897 2.33% - 1s 0 0 12601.6759 0 51 12902.0000 12601.6759 2.33% - 1s 0 0 12602.0723 0 63 12902.0000 12602.0723 2.32% - 1s 0 0 12602.1666 0 65 12902.0000 12602.1666 2.32% - 1s 0 0 12602.3560 0 64 12902.0000 12602.3560 2.32% - 1s 0 0 12602.4607 0 65 12902.0000 12602.4607 2.32% - 1s 0 2 12602.4939 0 65 12902.0000 12602.4939 2.32% - 2s H 27 18 12871.000000 12609.6763 2.03% 11.2 2s * 454 191 10 12870.000000 12697.0000 1.34% 6.8 3s 612 263 12786.8889 13 65 12870.0000 12705.0833 1.28% 6.4 5s Cutting planes: Gomory: 5 Zero half: 7 Explored 2652 nodes (18229 simplex iterations) in 8.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.287000000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (12, 13), (13, 40), (16, 40), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 44), (31, 46), (33, 36)] Optimize a model with 789 rows, 1128 columns and 195291 nonzeros Presolve time: 0.11s Presolved: 789 rows, 1128 columns, 195291 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12564.4074 2.47% - 0s 0 0 12576.0977 0 46 12882.0000 12576.0977 2.37% - 0s 0 0 12576.0977 0 49 12882.0000 12576.0977 2.37% - 0s 0 0 12576.0977 0 46 12882.0000 12576.0977 2.37% - 0s 0 0 12595.4100 0 43 12882.0000 12595.4100 2.22% - 0s 0 0 12599.7883 0 55 12882.0000 12599.7883 2.19% - 0s 0 0 12600.1693 0 52 12882.0000 12600.1693 2.19% - 1s 0 0 12600.2374 0 64 12882.0000 12600.2374 2.19% - 1s 0 0 12600.7843 0 55 12882.0000 12600.7843 2.18% - 1s 0 0 12601.1363 0 38 12882.0000 12601.1363 2.18% - 1s 0 0 12601.3437 0 63 12882.0000 12601.3437 2.18% - 1s 0 0 12602.2093 0 54 12882.0000 12602.2093 2.17% - 1s 0 0 12602.3224 0 51 12882.0000 12602.3224 2.17% - 1s 0 2 12602.3829 0 51 12882.0000 12602.3829 2.17% - 1s * 59 39 55 12874.000000 12605.2876 2.09% 5.9 2s * 187 118 19 12871.000000 12633.1498 1.85% 5.6 2s * 269 157 27 12870.000000 12646.0000 1.74% 5.2 2s 835 293 12850.0000 30 16 12870.0000 12688.4286 1.41% 6.4 5s Cutting planes: Gomory: 3 Zero half: 4 Explored 2053 nodes (12980 simplex iterations) in 6.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.287000000000e+04, gap 0.0% adding cut for [(33, 46), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 790 rows, 1128 columns and 195501 nonzeros Presolve time: 0.11s Presolved: 790 rows, 1128 columns, 195501 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.7232 0 59 12902.0000 12600.7232 2.34% - 1s 0 0 12600.8327 0 60 12902.0000 12600.8327 2.33% - 1s 0 0 12601.8731 0 57 12902.0000 12601.8731 2.33% - 1s 0 0 12602.0145 0 53 12902.0000 12602.0145 2.33% - 1s 0 0 12602.6897 0 64 12902.0000 12602.6897 2.32% - 1s 0 0 12603.0683 0 66 12902.0000 12603.0683 2.32% - 1s 0 0 12603.2219 0 67 12902.0000 12603.2219 2.32% - 1s H 0 0 12877.000000 12603.2219 2.13% - 1s 0 2 12603.2239 0 67 12877.0000 12603.2239 2.13% - 2s H 75 38 12871.000000 12635.9286 1.83% 5.8 2s 610 228 12716.5000 13 45 12871.0000 12716.5000 1.20% 6.2 5s * 1032 219 32 12870.000000 12716.5000 1.19% 6.6 5s Cutting planes: Gomory: 3 Zero half: 6 Explored 2361 nodes (14690 simplex iterations) in 7.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.287000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 791 rows, 1128 columns and 195826 nonzeros Presolve time: 0.11s Presolved: 791 rows, 1128 columns, 195826 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.7232 0 59 12902.0000 12600.7232 2.34% - 0s 0 0 12600.8327 0 60 12902.0000 12600.8327 2.33% - 1s 0 0 12601.8731 0 57 12902.0000 12601.8731 2.33% - 1s 0 0 12602.0145 0 53 12902.0000 12602.0145 2.33% - 1s 0 0 12602.6897 0 64 12902.0000 12602.6897 2.32% - 1s 0 0 12603.0683 0 66 12902.0000 12603.0683 2.32% - 1s 0 0 12603.2219 0 67 12902.0000 12603.2219 2.32% - 1s H 0 0 12877.000000 12603.2219 2.13% - 1s 0 2 12603.2239 0 67 12877.0000 12603.2239 2.13% - 1s H 75 39 12871.000000 12635.9286 1.83% 6.0 2s 610 222 12715.1111 12 45 12871.0000 12715.1111 1.21% 6.3 5s * 1052 216 37 12870.000000 12715.1111 1.20% 6.7 5s Cutting planes: Gomory: 3 Zero half: 6 Explored 2224 nodes (14709 simplex iterations) in 7.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287000000000e+04, best bound 1.286900000000e+04, gap 0.0078% adding cut for [(4, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 792 rows, 1128 columns and 196057 nonzeros Presolve time: 0.11s Presolved: 792 rows, 1128 columns, 196057 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12878.000000 12564.4074 2.44% - 0s 0 0 12576.0977 0 46 12878.0000 12576.0977 2.34% - 0s 0 0 12576.0977 0 49 12878.0000 12576.0977 2.34% - 0s 0 0 12576.0977 0 46 12878.0000 12576.0977 2.34% - 0s 0 0 12595.2592 0 43 12878.0000 12595.2592 2.20% - 0s 0 0 12599.7523 0 55 12878.0000 12599.7523 2.16% - 0s 0 0 12599.9493 0 53 12878.0000 12599.9493 2.16% - 1s 0 0 12600.1182 0 61 12878.0000 12600.1182 2.16% - 1s 0 0 12600.6382 0 51 12878.0000 12600.6382 2.15% - 1s H 0 0 12877.000000 12600.6382 2.15% - 1s 0 2 12600.6382 0 51 12877.0000 12600.6382 2.15% - 1s * 58 24 55 12872.000000 12635.6518 1.84% 5.3 2s * 656 241 45 12871.000000 12713.3333 1.22% 6.1 4s 746 241 12755.0625 59 36 12871.0000 12713.3333 1.22% 6.6 5s Cutting planes: Gomory: 2 Zero half: 3 Explored 2542 nodes (15323 simplex iterations) in 7.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 46), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 793 rows, 1128 columns and 196310 nonzeros Presolve time: 0.11s Presolved: 793 rows, 1128 columns, 196310 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.7232 0 59 12902.0000 12600.7232 2.34% - 0s 0 0 12600.8327 0 60 12902.0000 12600.8327 2.33% - 1s 0 0 12601.8731 0 57 12902.0000 12601.8731 2.33% - 1s 0 0 12602.0145 0 53 12902.0000 12602.0145 2.33% - 1s 0 0 12602.6897 0 64 12902.0000 12602.6897 2.32% - 1s 0 0 12603.0683 0 66 12902.0000 12603.0683 2.32% - 1s 0 0 12603.2219 0 67 12902.0000 12603.2219 2.32% - 1s H 0 0 12896.000000 12603.2219 2.27% - 1s H 0 0 12889.000000 12603.2219 2.22% - 1s H 0 0 12877.000000 12603.2219 2.13% - 1s 0 2 12603.2239 0 67 12877.0000 12603.2239 2.13% - 1s * 43 16 42 12871.000000 12618.8411 1.96% 6.8 2s 614 223 12717.0833 18 32 12871.0000 12717.0833 1.20% 6.3 5s Cutting planes: Gomory: 3 Zero half: 6 Explored 2517 nodes (17291 simplex iterations) in 8.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287000000000e+04, gap 0.0078% adding cut for [(33, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (12, 24), (44, 46), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43)] Optimize a model with 794 rows, 1128 columns and 196481 nonzeros Presolve time: 0.11s Presolved: 794 rows, 1128 columns, 196481 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.3166 0 55 12902.0000 12600.3166 2.34% - 0s 0 0 12600.9749 0 48 12902.0000 12600.9749 2.33% - 0s 0 0 12601.2211 0 55 12902.0000 12601.2211 2.33% - 1s 0 0 12601.3798 0 63 12902.0000 12601.3798 2.33% - 1s 0 0 12602.2780 0 50 12902.0000 12602.2780 2.32% - 1s 0 0 12602.5247 0 59 12902.0000 12602.5247 2.32% - 1s 0 0 12603.0344 0 53 12902.0000 12603.0344 2.32% - 1s 0 0 12603.2338 0 64 12902.0000 12603.2338 2.32% - 1s 0 0 12603.2925 0 66 12902.0000 12603.2925 2.32% - 1s 0 0 12603.3613 0 70 12902.0000 12603.3613 2.31% - 1s 0 0 12603.4564 0 67 12902.0000 12603.4564 2.31% - 1s 0 0 12603.4803 0 67 12902.0000 12603.4803 2.31% - 1s 0 0 12603.5505 0 64 12902.0000 12603.5505 2.31% - 1s H 0 0 12877.000000 12603.5505 2.12% - 2s 0 2 12603.5971 0 64 12877.0000 12603.5971 2.12% - 2s H 27 21 12872.000000 12635.3091 1.84% 7.4 2s 609 212 12849.6667 12 67 12872.0000 12711.3286 1.25% 6.5 5s * 704 210 33 12871.000000 12711.3286 1.24% 7.4 6s Cutting planes: Gomory: 3 Zero half: 5 Mod-K: 2 Explored 2132 nodes (14146 simplex iterations) in 8.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287000000000e+04, gap 0.0078% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (12, 24), (44, 46), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43)] Optimize a model with 795 rows, 1128 columns and 196671 nonzeros Presolve time: 0.11s Presolved: 795 rows, 1128 columns, 196671 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.3166 0 55 12902.0000 12600.3166 2.34% - 0s 0 0 12600.9749 0 48 12902.0000 12600.9749 2.33% - 0s 0 0 12601.2211 0 55 12902.0000 12601.2211 2.33% - 1s 0 0 12601.3798 0 63 12902.0000 12601.3798 2.33% - 1s 0 0 12602.2780 0 50 12902.0000 12602.2780 2.32% - 1s 0 0 12602.5247 0 59 12902.0000 12602.5247 2.32% - 1s 0 0 12603.0344 0 53 12902.0000 12603.0344 2.32% - 1s 0 0 12603.2338 0 64 12902.0000 12603.2338 2.32% - 1s 0 0 12603.2925 0 66 12902.0000 12603.2925 2.32% - 1s 0 0 12603.3613 0 70 12902.0000 12603.3613 2.31% - 1s 0 0 12603.4564 0 67 12902.0000 12603.4564 2.31% - 1s 0 0 12603.4803 0 67 12902.0000 12603.4803 2.31% - 1s 0 0 12603.5583 0 63 12902.0000 12603.5583 2.31% - 1s H 0 0 12877.000000 12603.5583 2.12% - 2s 0 2 12603.6973 0 63 12877.0000 12603.6973 2.12% - 2s H 27 20 12872.000000 12635.9286 1.83% 5.4 2s * 260 76 16 12871.000000 12679.6667 1.49% 6.8 3s 611 218 12828.0000 16 67 12871.0000 12718.7500 1.18% 6.2 5s Cutting planes: Gomory: 3 Zero half: 5 Mod-K: 2 Explored 2245 nodes (14423 simplex iterations) in 7.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287000000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 40), (31, 44)] Optimize a model with 796 rows, 1128 columns and 196842 nonzeros Presolve time: 0.11s Presolved: 796 rows, 1128 columns, 196842 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12564.4074 2.57% - 0s 0 0 12576.0977 0 46 12896.0000 12576.0977 2.48% - 0s 0 0 12576.0977 0 49 12896.0000 12576.0977 2.48% - 0s 0 0 12576.0977 0 46 12896.0000 12576.0977 2.48% - 0s 0 0 12595.8965 0 44 12896.0000 12595.8965 2.33% - 0s 0 0 12600.4726 0 59 12896.0000 12600.4726 2.29% - 0s 0 0 12600.8685 0 41 12896.0000 12600.8685 2.29% - 0s 0 0 12601.0016 0 60 12896.0000 12601.0016 2.29% - 1s 0 0 12601.9821 0 56 12896.0000 12601.9821 2.28% - 1s 0 0 12602.1148 0 64 12896.0000 12602.1148 2.28% - 1s 0 0 12602.3702 0 52 12896.0000 12602.3702 2.28% - 1s 0 0 12602.9686 0 66 12896.0000 12602.9686 2.27% - 1s 0 0 12603.7059 0 55 12896.0000 12603.7059 2.27% - 1s 0 0 12603.7541 0 57 12896.0000 12603.7541 2.27% - 1s 0 0 12603.7737 0 62 12896.0000 12603.7737 2.27% - 1s 0 0 12603.7839 0 64 12896.0000 12603.7839 2.27% - 1s 0 0 12603.7901 0 64 12896.0000 12603.7901 2.27% - 1s 0 0 12603.7988 0 66 12896.0000 12603.7988 2.27% - 1s 0 2 12603.8812 0 66 12896.0000 12603.8812 2.27% - 2s H 27 17 12876.000000 12612.0019 2.05% 6.9 2s H 600 263 12875.000000 12705.4000 1.32% 5.2 3s 608 269 12774.5676 13 66 12875.0000 12705.4000 1.32% 5.1 5s * 641 263 32 12872.000000 12705.4000 1.29% 6.0 5s * 1170 263 32 12871.000000 12707.0833 1.27% 6.1 6s Cutting planes: Gomory: 3 Zero half: 6 Mod-K: 2 Explored 2826 nodes (17302 simplex iterations) in 8.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 797 rows, 1128 columns and 197073 nonzeros Presolve time: 0.11s Presolved: 797 rows, 1128 columns, 197073 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.3166 0 55 12902.0000 12600.3166 2.34% - 0s 0 0 12600.9749 0 48 12902.0000 12600.9749 2.33% - 1s 0 0 12601.2211 0 55 12902.0000 12601.2211 2.33% - 1s 0 0 12601.3798 0 63 12902.0000 12601.3798 2.33% - 1s 0 0 12602.2780 0 50 12902.0000 12602.2780 2.32% - 1s 0 0 12602.5247 0 59 12902.0000 12602.5247 2.32% - 1s 0 0 12603.0344 0 53 12902.0000 12603.0344 2.32% - 1s 0 0 12603.2338 0 64 12902.0000 12603.2338 2.32% - 1s 0 0 12603.2925 0 66 12902.0000 12603.2925 2.32% - 1s 0 0 12603.3514 0 69 12902.0000 12603.3514 2.31% - 1s 0 0 12603.3995 0 68 12902.0000 12603.3995 2.31% - 1s 0 0 12603.4949 0 62 12902.0000 12603.4949 2.31% - 1s 0 0 12603.4971 0 64 12902.0000 12603.4971 2.31% - 1s 0 0 12603.4990 0 67 12902.0000 12603.4990 2.31% - 1s H 0 0 12877.000000 12603.4990 2.12% - 2s 0 2 12603.5126 0 67 12877.0000 12603.5126 2.12% - 2s * 37 26 30 12873.000000 12619.3214 1.97% 9.9 2s * 275 122 14 12872.000000 12689.0000 1.42% 6.8 3s * 454 184 12 12871.000000 12706.4444 1.28% 7.1 3s 612 205 12731.5714 10 67 12871.0000 12717.7500 1.19% 6.8 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 2 Explored 2593 nodes (17524 simplex iterations) in 8.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287100000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (23, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 798 rows, 1128 columns and 197326 nonzeros Presolve time: 0.11s Presolved: 798 rows, 1128 columns, 197326 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.3166 0 55 12902.0000 12600.3166 2.34% - 0s 0 0 12600.9749 0 48 12902.0000 12600.9749 2.33% - 0s 0 0 12601.2211 0 55 12902.0000 12601.2211 2.33% - 1s 0 0 12601.3798 0 63 12902.0000 12601.3798 2.33% - 1s 0 0 12602.2780 0 50 12902.0000 12602.2780 2.32% - 1s 0 0 12602.5247 0 59 12902.0000 12602.5247 2.32% - 1s 0 0 12603.0344 0 53 12902.0000 12603.0344 2.32% - 1s 0 0 12603.2338 0 64 12902.0000 12603.2338 2.32% - 1s 0 0 12603.2925 0 66 12902.0000 12603.2925 2.32% - 1s 0 0 12603.3514 0 69 12902.0000 12603.3514 2.31% - 1s 0 0 12603.3995 0 68 12902.0000 12603.3995 2.31% - 1s 0 0 12603.4949 0 62 12902.0000 12603.4949 2.31% - 1s 0 0 12603.4971 0 64 12902.0000 12603.4971 2.31% - 1s 0 0 12603.4990 0 67 12902.0000 12603.4990 2.31% - 1s H 0 0 12877.000000 12603.4990 2.12% - 2s 0 2 12603.5126 0 67 12877.0000 12603.5126 2.12% - 2s * 38 25 30 12873.000000 12619.3214 1.97% 9.9 2s H 164 89 12872.000000 12649.3750 1.73% 7.0 3s * 533 199 15 12871.000000 12716.0000 1.20% 6.7 3s 712 228 12855.6667 18 67 12871.0000 12721.5000 1.16% 6.4 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 2 Explored 2747 nodes (18502 simplex iterations) in 8.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287000000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (10, 38), (10, 23), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 799 rows, 1128 columns and 197516 nonzeros Presolve time: 0.11s Presolved: 799 rows, 1128 columns, 197516 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12872.000000 12564.4074 2.39% - 0s 0 0 12576.0977 0 46 12872.0000 12576.0977 2.30% - 0s 0 0 12576.0977 0 49 12872.0000 12576.0977 2.30% - 0s 0 0 12588.1250 0 35 12872.0000 12588.1250 2.21% - 0s 0 0 12597.1447 0 48 12872.0000 12597.1447 2.14% - 0s 0 0 12597.8959 0 56 12872.0000 12597.8959 2.13% - 0s 0 0 12599.6715 0 49 12872.0000 12599.6715 2.12% - 0s 0 0 12605.2597 0 51 12872.0000 12605.2597 2.07% - 1s 0 0 12605.2629 0 53 12872.0000 12605.2629 2.07% - 1s 0 0 12606.0128 0 56 12872.0000 12606.0128 2.07% - 1s 0 0 12606.3829 0 61 12872.0000 12606.3829 2.06% - 1s 0 0 12606.8778 0 44 12872.0000 12606.8778 2.06% - 1s 0 0 12607.0392 0 50 12872.0000 12607.0392 2.06% - 1s 0 0 12607.2415 0 62 12872.0000 12607.2415 2.06% - 1s 0 0 12607.2566 0 62 12872.0000 12607.2566 2.06% - 1s 0 2 12607.3616 0 62 12872.0000 12607.3616 2.06% - 2s * 386 150 24 12871.000000 12673.4844 1.53% 5.3 3s 656 261 12750.8750 34 26 12871.0000 12703.6667 1.30% 6.0 5s Cutting planes: Gomory: 4 Zero half: 5 Explored 2685 nodes (16642 simplex iterations) in 8.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287100000000e+04, gap 0.0% adding cut for [(33, 46), (4, 23), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (23, 40), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 800 rows, 1128 columns and 197726 nonzeros Presolve time: 0.11s Presolved: 800 rows, 1128 columns, 197726 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12564.4074 2.52% - 0s 0 0 12576.0977 0 46 12889.0000 12576.0977 2.43% - 0s 0 0 12576.0977 0 49 12889.0000 12576.0977 2.43% - 0s 0 0 12588.1250 0 35 12889.0000 12588.1250 2.33% - 0s 0 0 12592.6774 0 44 12889.0000 12592.6774 2.30% - 0s 0 0 12594.5306 0 54 12889.0000 12594.5306 2.28% - 1s 0 0 12598.7874 0 52 12889.0000 12598.7874 2.25% - 1s 0 0 12600.0160 0 62 12889.0000 12600.0160 2.24% - 1s 0 0 12600.1544 0 52 12889.0000 12600.1544 2.24% - 1s 0 0 12600.3593 0 59 12889.0000 12600.3593 2.24% - 1s 0 0 12600.8503 0 54 12889.0000 12600.8503 2.24% - 1s 0 0 12600.9334 0 63 12889.0000 12600.9334 2.23% - 1s 0 0 12601.0256 0 63 12889.0000 12601.0256 2.23% - 1s 0 0 12601.6252 0 56 12889.0000 12601.6252 2.23% - 1s 0 0 12601.7579 0 65 12889.0000 12601.7579 2.23% - 1s 0 0 12601.8203 0 69 12889.0000 12601.8203 2.23% - 1s 0 0 12601.9905 0 66 12889.0000 12601.9905 2.23% - 1s 0 0 12602.1801 0 60 12889.0000 12602.1801 2.23% - 1s 0 0 12602.3886 0 66 12889.0000 12602.3886 2.22% - 1s 0 2 12602.4053 0 66 12889.0000 12602.4053 2.22% - 2s * 163 91 13 12881.000000 12655.9464 1.75% 4.9 3s * 167 93 16 12875.000000 12655.9464 1.70% 5.0 3s * 212 110 14 12872.000000 12666.0000 1.60% 5.1 3s * 214 108 12 12871.000000 12666.0000 1.59% 5.1 3s 612 207 12799.0000 20 66 12871.0000 12717.0089 1.20% 5.6 5s Cutting planes: Gomory: 5 Zero half: 8 Explored 2675 nodes (17367 simplex iterations) in 8.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287100000000e+04, gap 0.0% adding cut for [(2, 23), (2, 38), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 801 rows, 1128 columns and 197979 nonzeros Presolve time: 0.11s Presolved: 801 rows, 1128 columns, 197979 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12880.000000 12564.4074 2.45% - 0s 0 0 12576.0977 0 46 12880.0000 12576.0977 2.36% - 0s 0 0 12576.0977 0 49 12880.0000 12576.0977 2.36% - 0s 0 0 12588.1250 0 35 12880.0000 12588.1250 2.27% - 0s 0 0 12594.4600 0 47 12880.0000 12594.4600 2.22% - 0s 0 0 12594.5758 0 54 12880.0000 12594.5758 2.22% - 0s 0 0 12594.9500 0 51 12880.0000 12594.9500 2.21% - 0s 0 0 12595.1059 0 59 12880.0000 12595.1059 2.21% - 1s 0 0 12595.6861 0 57 12880.0000 12595.6861 2.21% - 1s 0 0 12596.0021 0 61 12880.0000 12596.0021 2.20% - 1s 0 0 12596.6923 0 54 12880.0000 12596.6923 2.20% - 1s 0 0 12596.7923 0 62 12880.0000 12596.7923 2.20% - 1s 0 0 12597.4433 0 62 12880.0000 12597.4433 2.19% - 1s 0 0 12597.7976 0 59 12880.0000 12597.7976 2.19% - 1s 0 0 12597.8766 0 67 12880.0000 12597.8766 2.19% - 1s 0 0 12598.2810 0 62 12880.0000 12598.2810 2.19% - 1s 0 0 12598.3133 0 67 12880.0000 12598.3133 2.19% - 1s 0 0 12598.6639 0 70 12880.0000 12598.6639 2.18% - 1s 0 0 12598.9824 0 66 12880.0000 12598.9824 2.18% - 1s H 0 0 12872.000000 12598.9824 2.12% - 1s 0 2 12599.9638 0 66 12872.0000 12599.9638 2.11% - 2s 612 201 12704.5000 10 58 12872.0000 12704.5000 1.30% 6.7 5s * 1351 186 22 12871.000000 12737.0000 1.04% 6.8 6s Cutting planes: Gomory: 4 Zero half: 7 Explored 2444 nodes (16118 simplex iterations) in 8.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287000000000e+04, gap 0.0078% adding cut for [(2, 10), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 802 rows, 1128 columns and 198189 nonzeros Presolve time: 0.12s Presolved: 802 rows, 1128 columns, 198189 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12873.000000 12564.4074 2.40% - 0s 0 0 12576.0977 0 46 12873.0000 12576.0977 2.31% - 0s 0 0 12576.0977 0 49 12873.0000 12576.0977 2.31% - 0s 0 0 12588.1250 0 35 12873.0000 12588.1250 2.21% - 0s 0 0 12593.4000 0 44 12873.0000 12593.4000 2.17% - 0s 0 0 12594.5930 0 54 12873.0000 12594.5930 2.16% - 0s 0 0 12600.7692 0 40 12873.0000 12600.7692 2.11% - 0s 0 0 12601.5488 0 54 12873.0000 12601.5488 2.11% - 1s 0 0 12601.5942 0 53 12873.0000 12601.5942 2.11% - 1s 0 0 12601.6876 0 58 12873.0000 12601.6876 2.11% - 1s 0 0 12601.9777 0 57 12873.0000 12601.9777 2.11% - 1s 0 0 12602.3416 0 59 12873.0000 12602.3416 2.10% - 1s 0 0 12602.6862 0 63 12873.0000 12602.6862 2.10% - 1s 0 0 12603.0024 0 63 12873.0000 12603.0024 2.10% - 1s 0 0 12603.0148 0 63 12873.0000 12603.0148 2.10% - 1s 0 2 12603.1644 0 63 12873.0000 12603.1644 2.10% - 1s * 396 188 20 12872.000000 12670.5000 1.57% 6.4 2s 619 289 12721.7500 15 40 12872.0000 12700.7500 1.33% 6.7 5s * 869 277 23 12871.000000 12700.7500 1.32% 7.7 6s Cutting planes: Gomory: 3 Zero half: 5 Explored 2952 nodes (18298 simplex iterations) in 8.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (33, 47), (34, 41), (36, 46)] Optimize a model with 803 rows, 1128 columns and 198465 nonzeros Presolve time: 0.12s Presolved: 803 rows, 1128 columns, 198465 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12879.000000 12564.4074 2.44% - 0s 0 0 12576.0977 0 46 12879.0000 12576.0977 2.35% - 0s 0 0 12576.0977 0 49 12879.0000 12576.0977 2.35% - 0s 0 0 12588.1250 0 35 12879.0000 12588.1250 2.26% - 0s 0 0 12594.4600 0 47 12879.0000 12594.4600 2.21% - 0s 0 0 12594.5758 0 54 12879.0000 12594.5758 2.21% - 0s 0 0 12594.9500 0 51 12879.0000 12594.9500 2.21% - 1s 0 0 12595.1038 0 59 12879.0000 12595.1038 2.20% - 1s 0 0 12595.6668 0 57 12879.0000 12595.6668 2.20% - 1s 0 0 12595.7186 0 62 12879.0000 12595.7186 2.20% - 1s 0 0 12596.7052 0 57 12879.0000 12596.7052 2.19% - 1s 0 0 12596.9170 0 63 12879.0000 12596.9170 2.19% - 1s 0 0 12597.2465 0 62 12879.0000 12597.2465 2.19% - 1s 0 0 12597.4360 0 63 12879.0000 12597.4360 2.19% - 1s 0 0 12597.7367 0 67 12879.0000 12597.7367 2.18% - 1s 0 0 12598.0933 0 62 12879.0000 12598.0933 2.18% - 1s 0 0 12598.4308 0 71 12879.0000 12598.4308 2.18% - 1s 0 0 12598.6037 0 67 12879.0000 12598.6037 2.18% - 1s 0 0 12599.0330 0 65 12879.0000 12599.0330 2.17% - 1s 0 0 12599.1029 0 68 12879.0000 12599.1029 2.17% - 1s 0 0 12599.2591 0 69 12879.0000 12599.2591 2.17% - 1s 0 0 12599.6164 0 70 12879.0000 12599.6164 2.17% - 1s 0 0 12601.1383 0 60 12879.0000 12601.1383 2.16% - 1s 0 0 12601.1418 0 57 12879.0000 12601.1418 2.16% - 1s 0 0 12601.2239 0 75 12879.0000 12601.2239 2.16% - 1s 0 2 12601.2332 0 75 12879.0000 12601.2332 2.16% - 2s * 135 68 30 12877.000000 12652.7135 1.74% 6.0 3s * 222 123 12 12876.000000 12666.3750 1.63% 6.2 3s * 386 205 19 12874.000000 12688.8571 1.44% 5.8 3s * 522 224 17 12872.000000 12711.7500 1.24% 6.1 3s * 532 223 13 12871.000000 12713.0000 1.23% 6.1 3s 804 244 12803.0000 13 46 12871.0000 12742.8571 1.00% 6.4 5s Cutting planes: Gomory: 4 Zero half: 10 Explored 2564 nodes (17229 simplex iterations) in 9.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287100000000e+04, best bound 1.287100000000e+04, gap 0.0% adding cut for [(33, 46), (34, 41), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 804 rows, 1128 columns and 198675 nonzeros Presolve time: 0.12s Presolved: 804 rows, 1128 columns, 198675 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.3166 0 55 12902.0000 12600.3166 2.34% - 1s 0 0 12600.9749 0 48 12902.0000 12600.9749 2.33% - 1s 0 0 12601.2211 0 55 12902.0000 12601.2211 2.33% - 1s 0 0 12601.3798 0 63 12902.0000 12601.3798 2.33% - 1s 0 0 12602.2780 0 50 12902.0000 12602.2780 2.32% - 1s 0 0 12602.5247 0 59 12902.0000 12602.5247 2.32% - 1s 0 0 12603.0344 0 53 12902.0000 12603.0344 2.32% - 1s 0 0 12603.2338 0 64 12902.0000 12603.2338 2.32% - 1s 0 0 12603.2925 0 66 12902.0000 12603.2925 2.32% - 1s 0 0 12603.3514 0 69 12902.0000 12603.3514 2.31% - 1s 0 0 12603.3995 0 68 12902.0000 12603.3995 2.31% - 1s 0 0 12603.4949 0 62 12902.0000 12603.4949 2.31% - 1s 0 0 12603.4971 0 64 12902.0000 12603.4971 2.31% - 1s 0 0 12603.4990 0 67 12902.0000 12603.4990 2.31% - 1s H 0 0 12877.000000 12603.4990 2.12% - 2s 0 2 12603.5126 0 67 12877.0000 12603.5126 2.12% - 2s * 38 25 30 12873.000000 12619.3214 1.97% 9.4 2s * 394 168 19 12872.000000 12696.0000 1.37% 6.2 3s 612 224 12735.5000 9 67 12872.0000 12717.0833 1.20% 6.1 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 2 Explored 2508 nodes (16870 simplex iterations) in 8.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 805 rows, 1128 columns and 198906 nonzeros Presolve time: 0.12s Presolved: 805 rows, 1128 columns, 198906 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12596.9273 0 39 12902.0000 12596.9273 2.36% - 0s 0 0 12600.3166 0 55 12902.0000 12600.3166 2.34% - 0s 0 0 12600.9749 0 48 12902.0000 12600.9749 2.33% - 1s 0 0 12601.2211 0 55 12902.0000 12601.2211 2.33% - 1s 0 0 12601.3798 0 63 12902.0000 12601.3798 2.33% - 1s 0 0 12602.2780 0 50 12902.0000 12602.2780 2.32% - 1s 0 0 12602.5247 0 59 12902.0000 12602.5247 2.32% - 1s 0 0 12603.0344 0 53 12902.0000 12603.0344 2.32% - 1s 0 0 12603.2338 0 64 12902.0000 12603.2338 2.32% - 1s 0 0 12603.2925 0 66 12902.0000 12603.2925 2.32% - 1s 0 0 12603.3514 0 69 12902.0000 12603.3514 2.31% - 1s 0 0 12603.3995 0 68 12902.0000 12603.3995 2.31% - 1s 0 0 12603.4949 0 62 12902.0000 12603.4949 2.31% - 1s 0 0 12603.4971 0 64 12902.0000 12603.4971 2.31% - 1s 0 0 12603.4990 0 67 12902.0000 12603.4990 2.31% - 1s H 0 0 12877.000000 12603.4990 2.12% - 2s 0 2 12603.5126 0 67 12877.0000 12603.5126 2.12% - 2s * 38 25 30 12873.000000 12619.3214 1.97% 9.6 2s * 332 135 11 12872.000000 12694.3626 1.38% 6.9 3s 610 222 12802.2500 14 67 12872.0000 12715.0000 1.22% 6.3 5s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 2 Explored 2608 nodes (18046 simplex iterations) in 9.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287100000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (12, 21), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 806 rows, 1128 columns and 199137 nonzeros Presolve time: 0.12s Presolved: 806 rows, 1128 columns, 199137 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12891.000000 12564.4074 2.53% - 0s 0 0 12576.0977 0 46 12891.0000 12576.0977 2.44% - 0s 0 0 12576.0977 0 49 12891.0000 12576.0977 2.44% - 0s 0 0 12588.1250 0 35 12891.0000 12588.1250 2.35% - 0s 0 0 12593.4036 0 51 12891.0000 12593.4036 2.31% - 0s 0 0 12594.8301 0 54 12891.0000 12594.8301 2.30% - 1s 0 0 12595.1835 0 52 12891.0000 12595.1835 2.29% - 1s 0 0 12595.3708 0 60 12891.0000 12595.3708 2.29% - 1s 0 0 12596.0754 0 52 12891.0000 12596.0754 2.29% - 1s 0 0 12596.0939 0 60 12891.0000 12596.0939 2.29% - 1s 0 0 12596.1077 0 62 12891.0000 12596.1077 2.29% - 1s 0 0 12596.5052 0 49 12891.0000 12596.5052 2.28% - 1s 0 0 12596.6069 0 57 12891.0000 12596.6069 2.28% - 1s 0 0 12596.7721 0 52 12891.0000 12596.7721 2.28% - 1s H 0 0 12877.000000 12596.7721 2.18% - 1s 0 2 12596.8154 0 52 12877.0000 12596.8154 2.18% - 1s * 131 56 12 12874.000000 12622.0000 1.96% 5.5 2s H 206 89 12873.000000 12648.5882 1.74% 5.7 2s * 575 208 15 12872.000000 12702.4438 1.32% 5.8 3s 809 249 12724.0000 11 26 12872.0000 12724.0000 1.15% 6.1 5s Cutting planes: Gomory: 3 Zero half: 3 Explored 2207 nodes (13737 simplex iterations) in 7.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287200000000e+04, gap 0.0% adding cut for [(2, 23), (2, 38), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 807 rows, 1128 columns and 199390 nonzeros Presolve time: 0.12s Presolved: 807 rows, 1128 columns, 199390 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12880.000000 12564.4074 2.45% - 0s 0 0 12576.0977 0 46 12880.0000 12576.0977 2.36% - 0s 0 0 12576.0977 0 49 12880.0000 12576.0977 2.36% - 0s 0 0 12588.1250 0 35 12880.0000 12588.1250 2.27% - 0s 0 0 12594.4600 0 47 12880.0000 12594.4600 2.22% - 0s 0 0 12594.5758 0 54 12880.0000 12594.5758 2.22% - 0s 0 0 12594.9500 0 51 12880.0000 12594.9500 2.21% - 1s 0 0 12595.1059 0 59 12880.0000 12595.1059 2.21% - 1s 0 0 12595.6861 0 57 12880.0000 12595.6861 2.21% - 1s 0 0 12596.0021 0 61 12880.0000 12596.0021 2.20% - 1s 0 0 12596.6923 0 54 12880.0000 12596.6923 2.20% - 1s 0 0 12596.7923 0 62 12880.0000 12596.7923 2.20% - 1s 0 0 12597.4433 0 62 12880.0000 12597.4433 2.19% - 1s 0 0 12597.6347 0 58 12880.0000 12597.6347 2.19% - 1s 0 0 12597.9680 0 67 12880.0000 12597.9680 2.19% - 1s 0 0 12598.2634 0 65 12880.0000 12598.2634 2.19% - 1s 0 0 12598.4416 0 56 12880.0000 12598.4416 2.19% - 1s 0 0 12598.4634 0 67 12880.0000 12598.4634 2.19% - 1s 0 0 12598.4914 0 71 12880.0000 12598.4914 2.19% - 1s 0 0 12598.6091 0 72 12880.0000 12598.6091 2.18% - 1s 0 0 12599.4305 0 64 12880.0000 12599.4305 2.18% - 1s 0 0 12599.7496 0 65 12880.0000 12599.7496 2.18% - 1s 0 0 12599.8146 0 72 12880.0000 12599.8146 2.18% - 1s 0 0 12600.0271 0 71 12880.0000 12600.0271 2.17% - 1s 0 0 12600.3004 0 68 12880.0000 12600.3004 2.17% - 1s 0 0 12600.3902 0 61 12880.0000 12600.3902 2.17% - 1s 0 0 12600.5265 0 66 12880.0000 12600.5265 2.17% - 1s 0 0 12600.5601 0 70 12880.0000 12600.5601 2.17% - 1s 0 0 12600.6032 0 67 12880.0000 12600.6032 2.17% - 1s 0 0 12600.6171 0 69 12880.0000 12600.6171 2.17% - 2s 0 2 12601.4595 0 69 12880.0000 12601.4595 2.16% - 3s * 303 136 14 12876.000000 12676.7500 1.55% 7.3 3s * 357 150 11 12873.000000 12690.7778 1.42% 7.3 3s * 373 148 25 12872.000000 12698.0000 1.35% 7.4 4s 701 210 12787.0000 13 46 12872.0000 12726.0000 1.13% 7.3 5s Cutting planes: Gomory: 4 Zero half: 11 Explored 2159 nodes (15466 simplex iterations) in 9.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287200000000e+04, gap 0.0% adding cut for [(33, 46), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (44, 46), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43)] Optimize a model with 808 rows, 1128 columns and 199543 nonzeros Presolve time: 0.12s Presolved: 808 rows, 1128 columns, 199543 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256441e+04, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.4074 0 49 47372.0000 12564.4074 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.4074 2.62% - 0s 0 0 12576.0977 0 46 12902.0000 12576.0977 2.53% - 0s 0 0 12576.0977 0 49 12902.0000 12576.0977 2.53% - 0s 0 0 12588.1250 0 35 12902.0000 12588.1250 2.43% - 0s 0 0 12593.9833 0 45 12902.0000 12593.9833 2.39% - 0s 0 0 12594.1444 0 53 12902.0000 12594.1444 2.39% - 0s 0 0 12598.3118 0 40 12902.0000 12598.3118 2.35% - 1s 0 0 12598.9662 0 47 12902.0000 12598.9662 2.35% - 1s 0 0 12599.1224 0 55 12902.0000 12599.1224 2.35% - 1s 0 0 12599.8986 0 54 12902.0000 12599.8986 2.34% - 1s 0 0 12600.1240 0 62 12902.0000 12600.1240 2.34% - 1s 0 0 12601.0820 0 50 12902.0000 12601.0820 2.33% - 1s 0 0 12601.8474 0 62 12902.0000 12601.8474 2.33% - 1s 0 0 12602.4729 0 49 12902.0000 12602.4729 2.32% - 1s 0 0 12602.5795 0 56 12902.0000 12602.5795 2.32% - 1s 0 0 12602.7035 0 56 12902.0000 12602.7035 2.32% - 1s 0 0 12602.8116 0 64 12902.0000 12602.8116 2.32% - 1s 0 0 12602.9486 0 61 12902.0000 12602.9486 2.32% - 1s 0 0 12603.2087 0 67 12902.0000 12603.2087 2.32% - 1s 0 0 12603.5888 0 63 12902.0000 12603.5888 2.31% - 1s 0 0 12603.6957 0 71 12902.0000 12603.6957 2.31% - 1s 0 2 12603.7142 0 71 12902.0000 12603.7142 2.31% - 2s H 27 22 12872.000000 12611.4394 2.02% 7.1 2s 609 186 12843.0000 24 64 12872.0000 12706.1849 1.29% 6.7 5s Cutting planes: Gomory: 5 Zero half: 7 Explored 2267 nodes (15260 simplex iterations) in 8.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287100000000e+04, gap 0.0078% adding cut for [(2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 809 rows, 1128 columns and 199733 nonzeros Presolve time: 0.12s Presolved: 809 rows, 1128 columns, 199733 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 134 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12874.000000 12564.8519 2.40% - 0s 0 0 12576.9541 0 50 12874.0000 12576.9541 2.31% - 0s 0 0 12576.9541 0 49 12874.0000 12576.9541 2.31% - 0s 0 0 12576.9541 0 50 12874.0000 12576.9541 2.31% - 0s 0 0 12590.9857 0 36 12874.0000 12590.9857 2.20% - 0s 0 0 12596.6557 0 38 12874.0000 12596.6557 2.15% - 0s 0 0 12597.7427 0 53 12874.0000 12597.7427 2.15% - 0s 0 0 12598.0339 0 59 12874.0000 12598.0339 2.14% - 1s 0 0 12598.6530 0 58 12874.0000 12598.6530 2.14% - 1s 0 0 12599.0297 0 56 12874.0000 12599.0297 2.14% - 1s 0 0 12599.4518 0 61 12874.0000 12599.4518 2.13% - 1s 0 0 12600.1409 0 40 12874.0000 12600.1409 2.13% - 1s 0 0 12600.2259 0 54 12874.0000 12600.2259 2.13% - 1s 0 0 12600.2819 0 53 12874.0000 12600.2819 2.13% - 1s 0 0 12600.4316 0 65 12874.0000 12600.4316 2.12% - 1s 0 2 12600.9931 0 65 12874.0000 12600.9931 2.12% - 1s * 185 100 25 12872.000000 12653.5000 1.70% 6.2 2s 641 242 12717.0833 24 14 12872.0000 12717.0833 1.20% 6.5 5s Cutting planes: Gomory: 5 Zero half: 4 Explored 2333 nodes (14987 simplex iterations) in 7.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287100000000e+04, gap 0.0078% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (44, 46), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43)] Optimize a model with 810 rows, 1128 columns and 199904 nonzeros Presolve time: 0.12s Presolved: 810 rows, 1128 columns, 199904 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 134 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.8519 2.61% - 0s 0 0 12589.1047 0 50 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1047 0 49 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1192 0 58 12902.0000 12589.1192 2.43% - 0s 0 0 12591.4394 0 54 12902.0000 12591.4394 2.41% - 0s 0 0 12591.5946 0 63 12902.0000 12591.5946 2.41% - 1s 0 0 12592.9890 0 57 12902.0000 12592.9890 2.40% - 1s 0 0 12593.3548 0 65 12902.0000 12593.3548 2.39% - 1s 0 0 12594.6033 0 54 12902.0000 12594.6033 2.38% - 1s 0 0 12594.6969 0 58 12902.0000 12594.6969 2.38% - 1s 0 0 12594.7384 0 66 12902.0000 12594.7384 2.38% - 1s 0 0 12594.8468 0 58 12902.0000 12594.8468 2.38% - 1s 0 0 12594.9573 0 69 12902.0000 12594.9573 2.38% - 1s 0 0 12595.1324 0 66 12902.0000 12595.1324 2.38% - 1s 0 0 12595.8299 0 61 12902.0000 12595.8299 2.37% - 1s 0 0 12596.0563 0 59 12902.0000 12596.0563 2.37% - 1s 0 0 12596.0838 0 66 12902.0000 12596.0838 2.37% - 1s 0 0 12596.7041 0 66 12902.0000 12596.7041 2.37% - 1s 0 0 12597.0996 0 65 12902.0000 12597.0996 2.36% - 1s 0 0 12597.1444 0 70 12902.0000 12597.1444 2.36% - 1s 0 0 12597.4762 0 71 12902.0000 12597.4762 2.36% - 1s 0 0 12597.8527 0 67 12902.0000 12597.8527 2.36% - 1s 0 0 12598.1571 0 67 12902.0000 12598.1571 2.36% - 1s 0 0 12598.4024 0 68 12902.0000 12598.4024 2.35% - 1s 0 0 12598.5121 0 69 12902.0000 12598.5121 2.35% - 1s 0 0 12598.5481 0 72 12902.0000 12598.5481 2.35% - 1s 0 0 12598.9113 0 70 12902.0000 12598.9113 2.35% - 1s 0 0 12598.9555 0 72 12902.0000 12598.9555 2.35% - 1s 0 0 12598.9954 0 70 12902.0000 12598.9954 2.35% - 1s 0 0 12598.9954 0 70 12902.0000 12598.9954 2.35% - 2s 0 2 12599.0133 0 70 12902.0000 12599.0133 2.35% - 2s H 27 19 12899.000000 12633.0619 2.06% 9.9 3s * 105 47 38 12873.000000 12635.9500 1.84% 5.7 3s * 106 45 38 12872.000000 12635.9500 1.83% 5.6 3s 601 182 12732.6667 23 50 12872.0000 12712.6103 1.24% 7.2 5s Cutting planes: Gomory: 3 Zero half: 12 Explored 2656 nodes (18183 simplex iterations) in 9.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287100000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (12, 13), (13, 16), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 811 rows, 1128 columns and 200157 nonzeros Presolve time: 0.11s Presolved: 811 rows, 1128 columns, 200157 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 134 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.8519 2.61% - 0s 0 0 12589.1047 0 50 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1047 0 49 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1192 0 58 12902.0000 12589.1192 2.43% - 0s 0 0 12591.4394 0 54 12902.0000 12591.4394 2.41% - 1s 0 0 12591.5946 0 63 12902.0000 12591.5946 2.41% - 1s 0 0 12592.9890 0 57 12902.0000 12592.9890 2.40% - 1s 0 0 12593.3548 0 65 12902.0000 12593.3548 2.39% - 1s 0 0 12594.6033 0 54 12902.0000 12594.6033 2.38% - 1s 0 0 12594.6969 0 58 12902.0000 12594.6969 2.38% - 1s 0 0 12594.7384 0 66 12902.0000 12594.7384 2.38% - 1s 0 0 12594.8272 0 60 12902.0000 12594.8272 2.38% - 1s 0 0 12594.9923 0 64 12902.0000 12594.9923 2.38% - 1s 0 0 12595.0946 0 65 12902.0000 12595.0946 2.38% - 1s 0 0 12595.2412 0 65 12902.0000 12595.2412 2.38% - 1s 0 2 12595.3563 0 65 12902.0000 12595.3563 2.38% - 2s * 86 57 38 12899.000000 12632.3915 2.07% 7.2 2s * 87 54 38 12875.000000 12632.3915 1.88% 7.1 2s * 365 176 17 12872.000000 12684.0000 1.46% 6.2 3s 610 227 12787.2857 10 65 12872.0000 12718.5000 1.19% 6.1 5s Cutting planes: Gomory: 3 Zero half: 9 Explored 2002 nodes (12643 simplex iterations) in 7.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 13), (13, 16), (16, 36), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 812 rows, 1128 columns and 200410 nonzeros Presolve time: 0.12s Presolved: 812 rows, 1128 columns, 200410 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 134 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12564.8519 2.51% - 0s 0 0 12589.1047 0 50 12889.0000 12589.1047 2.33% - 0s 0 0 12589.1047 0 49 12889.0000 12589.1047 2.33% - 0s 0 0 12589.1192 0 58 12889.0000 12589.1192 2.33% - 0s 0 0 12591.4394 0 54 12889.0000 12591.4394 2.31% - 0s 0 0 12591.5946 0 63 12889.0000 12591.5946 2.31% - 1s 0 0 12593.4025 0 63 12889.0000 12593.4025 2.29% - 1s 0 0 12593.7544 0 61 12889.0000 12593.7544 2.29% - 1s 0 0 12594.0810 0 67 12889.0000 12594.0810 2.29% - 1s 0 0 12594.1324 0 57 12889.0000 12594.1324 2.29% - 1s 0 0 12594.2394 0 64 12889.0000 12594.2394 2.29% - 1s 0 0 12594.3088 0 66 12889.0000 12594.3088 2.29% - 1s 0 0 12594.5127 0 63 12889.0000 12594.5127 2.28% - 1s 0 0 12594.5824 0 68 12889.0000 12594.5824 2.28% - 1s 0 0 12594.8011 0 61 12889.0000 12594.8011 2.28% - 1s 0 0 12594.8556 0 69 12889.0000 12594.8556 2.28% - 1s 0 0 12595.2622 0 64 12889.0000 12595.2622 2.28% - 1s 0 0 12595.4035 0 63 12889.0000 12595.4035 2.28% - 1s 0 0 12595.4213 0 69 12889.0000 12595.4213 2.28% - 1s 0 0 12595.4767 0 70 12889.0000 12595.4767 2.28% - 1s 0 0 12595.5477 0 73 12889.0000 12595.5477 2.28% - 1s 0 0 12596.2934 0 67 12889.0000 12596.2934 2.27% - 1s 0 0 12596.7430 0 65 12889.0000 12596.7430 2.27% - 1s 0 0 12597.4738 0 64 12889.0000 12597.4738 2.26% - 1s 0 0 12597.5620 0 65 12889.0000 12597.5620 2.26% - 1s 0 0 12597.6786 0 67 12889.0000 12597.6786 2.26% - 1s 0 0 12598.3894 0 64 12889.0000 12598.3894 2.25% - 1s 0 0 12598.4314 0 70 12889.0000 12598.4314 2.25% - 1s 0 0 12598.6078 0 72 12889.0000 12598.6078 2.25% - 1s 0 0 12598.7458 0 72 12889.0000 12598.7458 2.25% - 1s 0 0 12598.7711 0 79 12889.0000 12598.7711 2.25% - 1s 0 0 12599.4293 0 63 12889.0000 12599.4293 2.25% - 2s 0 0 12599.5430 0 71 12889.0000 12599.5430 2.25% - 2s 0 0 12599.5430 0 71 12889.0000 12599.5430 2.25% - 2s 0 2 12599.6464 0 71 12889.0000 12599.6464 2.24% - 3s * 58 32 55 12881.000000 12616.0625 2.06% 5.7 3s H 61 31 12879.000000 12635.2222 1.89% 5.6 3s * 184 99 34 12874.000000 12662.1429 1.65% 5.7 3s 602 184 12764.0000 10 50 12874.0000 12711.5897 1.26% 6.6 5s * 833 186 35 12873.000000 12711.5897 1.25% 7.3 7s * 1851 198 52 12872.000000 12777.5000 0.73% 6.4 8s Cutting planes: Gomory: 3 Zero half: 11 Explored 2329 nodes (15217 simplex iterations) in 9.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287100000000e+04, gap 0.0078% adding cut for [(33, 46), (34, 41), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 813 rows, 1128 columns and 200620 nonzeros Presolve time: 0.12s Presolved: 813 rows, 1128 columns, 200620 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 134 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.8519 2.61% - 0s 0 0 12589.1047 0 50 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1047 0 49 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1192 0 58 12902.0000 12589.1192 2.43% - 0s 0 0 12591.4394 0 54 12902.0000 12591.4394 2.41% - 0s 0 0 12591.5946 0 63 12902.0000 12591.5946 2.41% - 1s 0 0 12592.9890 0 57 12902.0000 12592.9890 2.40% - 1s 0 0 12593.3548 0 65 12902.0000 12593.3548 2.39% - 1s 0 0 12594.6033 0 54 12902.0000 12594.6033 2.38% - 1s 0 0 12594.6969 0 58 12902.0000 12594.6969 2.38% - 1s 0 0 12594.7384 0 66 12902.0000 12594.7384 2.38% - 1s 0 0 12594.8468 0 58 12902.0000 12594.8468 2.38% - 1s 0 0 12594.9573 0 69 12902.0000 12594.9573 2.38% - 1s 0 0 12595.1324 0 66 12902.0000 12595.1324 2.38% - 1s 0 0 12595.8299 0 61 12902.0000 12595.8299 2.37% - 1s 0 0 12596.0563 0 59 12902.0000 12596.0563 2.37% - 1s 0 0 12596.0790 0 66 12902.0000 12596.0790 2.37% - 1s 0 0 12596.8438 0 65 12902.0000 12596.8438 2.37% - 1s 0 0 12597.2214 0 69 12902.0000 12597.2214 2.36% - 1s 0 0 12597.3646 0 71 12902.0000 12597.3646 2.36% - 1s 0 0 12597.7304 0 67 12902.0000 12597.7304 2.36% - 1s 0 0 12597.8722 0 70 12902.0000 12597.8722 2.36% - 1s 0 0 12598.2716 0 67 12902.0000 12598.2716 2.35% - 1s 0 0 12598.2878 0 67 12902.0000 12598.2878 2.35% - 1s 0 0 12598.3696 0 71 12902.0000 12598.3696 2.35% - 1s 0 0 12598.5478 0 69 12902.0000 12598.5478 2.35% - 1s 0 0 12598.5852 0 76 12902.0000 12598.5852 2.35% - 1s 0 2 12598.6433 0 76 12902.0000 12598.6433 2.35% - 3s * 122 62 18 12899.000000 12638.7778 2.02% 7.3 3s * 124 60 19 12890.000000 12638.7778 1.95% 7.2 3s * 166 91 39 12880.000000 12649.0000 1.79% 7.6 3s * 185 99 15 12874.000000 12649.0000 1.75% 7.5 3s * 493 185 3 12873.000000 12706.6464 1.29% 7.2 4s 601 212 12731.5000 18 50 12873.0000 12714.1000 1.23% 7.1 5s * 1899 275 21 12872.000000 12766.3750 0.82% 7.0 9s 2356 184 cutoff 19 12872.0000 12808.1667 0.50% 6.9 10s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 1 Explored 2704 nodes (18418 simplex iterations) in 10.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287200000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 814 rows, 1128 columns and 200873 nonzeros Presolve time: 0.12s Presolved: 814 rows, 1128 columns, 200873 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 134 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.8519 2.61% - 0s 0 0 12589.1047 0 50 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1047 0 49 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1192 0 58 12902.0000 12589.1192 2.43% - 0s 0 0 12591.4394 0 54 12902.0000 12591.4394 2.41% - 0s 0 0 12591.5946 0 63 12902.0000 12591.5946 2.41% - 0s 0 0 12592.9890 0 57 12902.0000 12592.9890 2.40% - 1s 0 0 12593.3548 0 65 12902.0000 12593.3548 2.39% - 1s 0 0 12594.6033 0 54 12902.0000 12594.6033 2.38% - 1s 0 0 12594.6969 0 58 12902.0000 12594.6969 2.38% - 1s 0 0 12594.7384 0 66 12902.0000 12594.7384 2.38% - 1s 0 0 12594.7979 0 69 12902.0000 12594.7979 2.38% - 1s 0 0 12595.6518 0 61 12902.0000 12595.6518 2.37% - 1s 0 0 12596.1096 0 65 12902.0000 12596.1096 2.37% - 1s 0 0 12596.9835 0 59 12902.0000 12596.9835 2.36% - 1s 0 0 12597.0012 0 65 12902.0000 12597.0012 2.36% - 1s 0 0 12597.0584 0 60 12902.0000 12597.0584 2.36% - 1s 0 0 12597.0979 0 63 12902.0000 12597.0979 2.36% - 1s 0 0 12597.2534 0 65 12902.0000 12597.2534 2.36% - 1s 0 0 12597.3344 0 66 12902.0000 12597.3344 2.36% - 1s 0 0 12597.4969 0 69 12902.0000 12597.4969 2.36% - 1s 0 0 12597.6184 0 65 12902.0000 12597.6184 2.36% - 1s 0 0 12597.7251 0 67 12902.0000 12597.7251 2.36% - 1s 0 0 12597.7461 0 71 12902.0000 12597.7461 2.36% - 1s 0 0 12597.7745 0 73 12902.0000 12597.7745 2.36% - 1s 0 0 12597.7832 0 72 12902.0000 12597.7832 2.36% - 1s 0 0 12598.1549 0 63 12902.0000 12598.1549 2.36% - 1s 0 0 12598.2573 0 63 12902.0000 12598.2573 2.35% - 1s 0 0 12598.2994 0 68 12902.0000 12598.2994 2.35% - 1s 0 0 12598.4955 0 61 12902.0000 12598.4955 2.35% - 1s 0 0 12598.7124 0 74 12902.0000 12598.7124 2.35% - 1s 0 0 12598.9913 0 66 12902.0000 12598.9913 2.35% - 1s 0 0 12598.9973 0 69 12902.0000 12598.9973 2.35% - 2s 0 2 12599.0307 0 69 12902.0000 12599.0307 2.35% - 3s * 62 23 62 12901.000000 12628.5455 2.11% 6.2 3s * 175 102 30 12877.000000 12643.0000 1.82% 5.5 3s * 195 111 17 12874.000000 12658.5556 1.67% 5.5 3s * 503 206 4 12873.000000 12706.1571 1.30% 5.9 4s 601 242 12787.0000 41 50 12873.0000 12725.3636 1.15% 6.2 5s * 1709 234 29 12872.000000 12763.3333 0.84% 6.4 8s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 3 Explored 2349 nodes (15406 simplex iterations) in 9.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287200000000e+04, best bound 1.287100000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 23), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 815 rows, 1128 columns and 201104 nonzeros Presolve time: 0.12s Presolved: 815 rows, 1128 columns, 201104 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12564.8519 2.45% - 0s 0 0 12589.1047 0 50 12881.0000 12589.1047 2.27% - 0s 0 0 12589.1047 0 49 12881.0000 12589.1047 2.27% - 0s 0 0 12589.1192 0 58 12881.0000 12589.1192 2.27% - 0s 0 0 12591.4444 0 46 12881.0000 12591.4444 2.25% - 0s 0 0 12591.4476 0 53 12881.0000 12591.4476 2.25% - 0s 0 0 12591.5844 0 60 12881.0000 12591.5844 2.25% - 1s 0 0 12593.4629 0 59 12881.0000 12593.4629 2.23% - 1s 0 0 12593.8435 0 56 12881.0000 12593.8435 2.23% - 1s 0 0 12593.8909 0 64 12881.0000 12593.8909 2.23% - 1s 0 0 12594.1063 0 54 12881.0000 12594.1063 2.23% - 1s 0 0 12594.2231 0 61 12881.0000 12594.2231 2.23% - 1s 0 0 12594.3421 0 60 12881.0000 12594.3421 2.23% - 1s 0 0 12594.4881 0 65 12881.0000 12594.4881 2.22% - 1s 0 0 12594.9484 0 60 12881.0000 12594.9484 2.22% - 1s 0 0 12595.1275 0 62 12881.0000 12595.1275 2.22% - 1s 0 0 12595.1894 0 68 12881.0000 12595.1894 2.22% - 1s 0 0 12595.4644 0 59 12881.0000 12595.4644 2.22% - 1s 0 0 12595.6004 0 64 12881.0000 12595.6004 2.22% - 1s 0 0 12595.6732 0 68 12881.0000 12595.6732 2.22% - 1s 0 0 12595.9859 0 69 12881.0000 12595.9859 2.21% - 1s 0 0 12596.1956 0 67 12881.0000 12596.1956 2.21% - 1s 0 0 12596.5023 0 65 12881.0000 12596.5023 2.21% - 1s 0 0 12596.5337 0 73 12881.0000 12596.5337 2.21% - 1s 0 0 12596.9844 0 75 12881.0000 12596.9844 2.20% - 1s 0 0 12597.9573 0 75 12881.0000 12597.9573 2.20% - 1s 0 0 12598.1531 0 74 12881.0000 12598.1531 2.20% - 1s 0 0 12598.1828 0 76 12881.0000 12598.1828 2.20% - 1s 0 0 12598.1828 0 76 12881.0000 12598.1828 2.20% - 2s H 0 0 12873.000000 12598.1828 2.13% - 2s 0 2 12598.3148 0 76 12873.0000 12598.3148 2.13% - 2s 601 228 12861.6000 19 50 12873.0000 12710.1765 1.26% 7.2 5s Cutting planes: Gomory: 2 Zero half: 10 Mod-K: 1 Explored 2376 nodes (15566 simplex iterations) in 9.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287300000000e+04, best bound 1.287200000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 23), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 816 rows, 1128 columns and 201335 nonzeros Presolve time: 0.11s Presolved: 816 rows, 1128 columns, 201335 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12564.8519 2.45% - 0s 0 0 12589.1047 0 50 12881.0000 12589.1047 2.27% - 0s 0 0 12589.1047 0 49 12881.0000 12589.1047 2.27% - 0s 0 0 12589.1192 0 58 12881.0000 12589.1192 2.27% - 0s 0 0 12591.4444 0 46 12881.0000 12591.4444 2.25% - 0s 0 0 12591.4476 0 53 12881.0000 12591.4476 2.25% - 0s 0 0 12591.5844 0 60 12881.0000 12591.5844 2.25% - 1s 0 0 12593.4629 0 59 12881.0000 12593.4629 2.23% - 1s 0 0 12593.8435 0 56 12881.0000 12593.8435 2.23% - 1s 0 0 12593.8909 0 64 12881.0000 12593.8909 2.23% - 1s 0 0 12594.1063 0 54 12881.0000 12594.1063 2.23% - 1s 0 0 12594.2231 0 61 12881.0000 12594.2231 2.23% - 1s 0 0 12594.3421 0 60 12881.0000 12594.3421 2.23% - 1s 0 0 12594.4881 0 65 12881.0000 12594.4881 2.22% - 1s 0 0 12594.9484 0 60 12881.0000 12594.9484 2.22% - 1s 0 0 12595.1191 0 62 12881.0000 12595.1191 2.22% - 1s 0 0 12595.1902 0 67 12881.0000 12595.1902 2.22% - 1s 0 0 12595.3456 0 71 12881.0000 12595.3456 2.22% - 1s 0 0 12595.6835 0 68 12881.0000 12595.6835 2.22% - 1s 0 0 12595.7780 0 70 12881.0000 12595.7780 2.21% - 1s 0 0 12595.7933 0 70 12881.0000 12595.7933 2.21% - 1s 0 2 12595.8209 0 70 12881.0000 12595.8209 2.21% - 2s H 27 18 12876.000000 12616.8571 2.01% 8.5 2s H 54 23 12875.000000 12635.9286 1.86% 7.4 2s H 195 111 12874.000000 12658.7778 1.67% 6.1 3s 611 247 12771.6154 7 70 12874.0000 12707.0000 1.30% 5.9 5s * 1106 260 14 12873.000000 12719.1111 1.20% 6.5 6s Cutting planes: Gomory: 3 Zero half: 9 Explored 2273 nodes (14632 simplex iterations) in 8.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287300000000e+04, best bound 1.287200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46), (40, 46)] Optimize a model with 817 rows, 1128 columns and 201588 nonzeros Presolve time: 0.11s Presolved: 817 rows, 1128 columns, 201588 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.8519 2.61% - 0s 0 0 12589.1047 0 50 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1047 0 49 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1192 0 58 12902.0000 12589.1192 2.43% - 0s 0 0 12591.4394 0 54 12902.0000 12591.4394 2.41% - 0s 0 0 12591.5946 0 63 12902.0000 12591.5946 2.41% - 1s 0 0 12592.9890 0 57 12902.0000 12592.9890 2.40% - 1s 0 0 12593.3548 0 65 12902.0000 12593.3548 2.39% - 1s 0 0 12594.6033 0 54 12902.0000 12594.6033 2.38% - 1s 0 0 12594.6969 0 58 12902.0000 12594.6969 2.38% - 1s 0 0 12594.7384 0 66 12902.0000 12594.7384 2.38% - 1s 0 0 12594.8468 0 58 12902.0000 12594.8468 2.38% - 1s 0 0 12594.9573 0 69 12902.0000 12594.9573 2.38% - 1s 0 0 12595.1324 0 66 12902.0000 12595.1324 2.38% - 1s 0 0 12595.8299 0 61 12902.0000 12595.8299 2.37% - 1s 0 0 12596.0563 0 59 12902.0000 12596.0563 2.37% - 1s 0 0 12596.0861 0 66 12902.0000 12596.0861 2.37% - 1s 0 0 12596.9193 0 67 12902.0000 12596.9193 2.36% - 1s 0 0 12597.4006 0 67 12902.0000 12597.4006 2.36% - 1s 0 0 12597.6257 0 72 12902.0000 12597.6257 2.36% - 1s 0 0 12598.2531 0 68 12902.0000 12598.2531 2.35% - 1s 0 0 12598.3530 0 71 12902.0000 12598.3530 2.35% - 1s 0 0 12598.3769 0 76 12902.0000 12598.3769 2.35% - 1s H 0 0 12893.000000 12598.3769 2.29% - 2s 0 2 12598.7891 0 76 12893.0000 12598.7891 2.28% - 2s * 88 60 45 12875.000000 12617.5000 2.00% 6.4 3s * 276 153 22 12873.000000 12671.6667 1.56% 6.4 3s 603 245 12729.3769 15 49 12873.0000 12708.2500 1.28% 6.8 5s Cutting planes: Gomory: 2 Zero half: 8 Mod-K: 1 Explored 2204 nodes (14497 simplex iterations) in 8.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287300000000e+04, best bound 1.287300000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (10, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 818 rows, 1128 columns and 201798 nonzeros Presolve time: 0.12s Presolved: 818 rows, 1128 columns, 201798 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12874.000000 12564.8519 2.40% - 0s 0 0 12589.1047 0 50 12874.0000 12589.1047 2.21% - 0s 0 0 12589.1047 0 49 12874.0000 12589.1047 2.21% - 0s 0 0 12589.1192 0 58 12874.0000 12589.1192 2.21% - 0s 0 0 12591.4379 0 52 12874.0000 12591.4379 2.19% - 0s 0 0 12591.5556 0 54 12874.0000 12591.5556 2.19% - 0s 0 0 12591.7215 0 62 12874.0000 12591.7215 2.19% - 1s 0 0 12592.4361 0 60 12874.0000 12592.4361 2.19% - 1s 0 0 12592.9507 0 64 12874.0000 12592.9507 2.18% - 1s 0 0 12594.1401 0 55 12874.0000 12594.1401 2.17% - 1s 0 0 12594.2241 0 59 12874.0000 12594.2241 2.17% - 1s 0 0 12594.5573 0 58 12874.0000 12594.5573 2.17% - 1s 0 0 12594.7071 0 61 12874.0000 12594.7071 2.17% - 1s 0 0 12595.0581 0 63 12874.0000 12595.0581 2.17% - 1s 0 0 12595.3036 0 61 12874.0000 12595.3036 2.16% - 1s 0 0 12595.6277 0 64 12874.0000 12595.6277 2.16% - 1s 0 0 12596.0345 0 73 12874.0000 12596.0345 2.16% - 1s 0 0 12596.2439 0 66 12874.0000 12596.2439 2.16% - 1s 0 0 12596.2778 0 70 12874.0000 12596.2778 2.16% - 1s 0 0 12596.6094 0 70 12874.0000 12596.6094 2.15% - 1s 0 0 12596.7311 0 72 12874.0000 12596.7311 2.15% - 1s 0 0 12596.8563 0 68 12874.0000 12596.8563 2.15% - 1s 0 0 12596.9047 0 75 12874.0000 12596.9047 2.15% - 1s 0 0 12597.0592 0 68 12874.0000 12597.0592 2.15% - 1s 0 0 12597.1089 0 78 12874.0000 12597.1089 2.15% - 1s 0 2 12597.1381 0 78 12874.0000 12597.1381 2.15% - 2s * 114 51 40 12873.000000 12639.8000 1.81% 6.9 3s 601 189 12775.0000 10 50 12873.0000 12722.5000 1.17% 7.4 5s Cutting planes: Gomory: 3 Zero half: 13 Explored 2524 nodes (16657 simplex iterations) in 9.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287300000000e+04, best bound 1.287300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 38), (10, 40), (13, 16), (16, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 819 rows, 1128 columns and 202051 nonzeros Presolve time: 0.12s Presolved: 819 rows, 1128 columns, 202051 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.8519 2.61% - 0s 0 0 12589.1047 0 50 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1047 0 49 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1192 0 58 12902.0000 12589.1192 2.43% - 0s 0 0 12591.4394 0 54 12902.0000 12591.4394 2.41% - 0s 0 0 12591.5946 0 63 12902.0000 12591.5946 2.41% - 1s 0 0 12593.4025 0 63 12902.0000 12593.4025 2.39% - 1s 0 0 12593.7134 0 66 12902.0000 12593.7134 2.39% - 1s 0 0 12594.2136 0 62 12902.0000 12594.2136 2.39% - 1s 0 0 12594.2550 0 68 12902.0000 12594.2550 2.39% - 1s 0 0 12594.3916 0 71 12902.0000 12594.3916 2.38% - 1s 0 0 12595.0037 0 55 12902.0000 12595.0037 2.38% - 1s 0 0 12595.0320 0 60 12902.0000 12595.0320 2.38% - 1s 0 0 12595.0509 0 64 12902.0000 12595.0509 2.38% - 1s 0 0 12595.1188 0 68 12902.0000 12595.1188 2.38% - 1s 0 0 12595.2440 0 64 12902.0000 12595.2440 2.38% - 1s 0 0 12595.3625 0 61 12902.0000 12595.3625 2.38% - 1s 0 0 12595.4577 0 69 12902.0000 12595.4577 2.38% - 1s 0 0 12596.2000 0 66 12902.0000 12596.2000 2.37% - 1s 0 0 12596.3108 0 66 12902.0000 12596.3108 2.37% - 1s 0 0 12596.7695 0 71 12902.0000 12596.7695 2.37% - 1s 0 0 12597.1666 0 70 12902.0000 12597.1666 2.36% - 1s 0 0 12597.2541 0 68 12902.0000 12597.2541 2.36% - 1s 0 0 12597.3885 0 70 12902.0000 12597.3885 2.36% - 1s 0 0 12597.4251 0 72 12902.0000 12597.4251 2.36% - 1s 0 0 12597.5557 0 72 12902.0000 12597.5557 2.36% - 1s 0 0 12597.7841 0 74 12902.0000 12597.7841 2.36% - 1s 0 0 12598.2304 0 70 12902.0000 12598.2304 2.35% - 1s 0 0 12598.3830 0 75 12902.0000 12598.3830 2.35% - 1s 0 0 12598.5440 0 77 12902.0000 12598.5440 2.35% - 1s 0 0 12598.8796 0 70 12902.0000 12598.8796 2.35% - 1s 0 0 12598.9289 0 70 12902.0000 12598.9289 2.35% - 2s 0 0 12599.0054 0 72 12902.0000 12599.0054 2.35% - 2s H 0 0 12897.000000 12599.0054 2.31% - 2s H 0 0 12877.000000 12599.0054 2.16% - 3s 0 2 12599.2343 0 72 12877.0000 12599.2343 2.16% - 3s * 93 47 33 12875.000000 12639.0000 1.83% 7.1 3s * 128 65 32 12873.000000 12640.5714 1.81% 6.4 3s 601 180 12754.0000 12 50 12873.0000 12716.5000 1.22% 6.5 5s Cutting planes: Gomory: 2 Zero half: 11 Mod-K: 1 Explored 2242 nodes (15679 simplex iterations) in 9.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287300000000e+04, best bound 1.287300000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 17), (9, 38), (10, 40), (13, 16), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 820 rows, 1128 columns and 202376 nonzeros Presolve time: 0.12s Presolved: 820 rows, 1128 columns, 202376 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.8519 2.61% - 0s 0 0 12589.1047 0 50 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1047 0 49 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1192 0 58 12902.0000 12589.1192 2.43% - 0s 0 0 12591.4394 0 54 12902.0000 12591.4394 2.41% - 0s 0 0 12591.5946 0 63 12902.0000 12591.5946 2.41% - 1s 0 0 12593.4025 0 63 12902.0000 12593.4025 2.39% - 1s 0 0 12593.8741 0 68 12902.0000 12593.8741 2.39% - 1s 0 0 12594.4046 0 61 12902.0000 12594.4046 2.38% - 1s 0 0 12594.5220 0 59 12902.0000 12594.5220 2.38% - 1s 0 0 12594.5526 0 68 12902.0000 12594.5526 2.38% - 1s 0 0 12594.6326 0 64 12902.0000 12594.6326 2.38% - 1s 0 0 12594.7660 0 69 12902.0000 12594.7660 2.38% - 1s 0 0 12595.0804 0 61 12902.0000 12595.0804 2.38% - 1s 0 0 12595.3639 0 68 12902.0000 12595.3639 2.38% - 1s 0 0 12595.6708 0 64 12902.0000 12595.6708 2.37% - 1s 0 0 12596.1002 0 68 12902.0000 12596.1002 2.37% - 1s 0 0 12596.4998 0 71 12902.0000 12596.4998 2.37% - 1s 0 0 12597.1857 0 69 12902.0000 12597.1857 2.36% - 1s 0 0 12597.6029 0 66 12902.0000 12597.6029 2.36% - 1s 0 0 12597.6628 0 74 12902.0000 12597.6628 2.36% - 1s H 0 0 12881.000000 12597.6628 2.20% - 2s 0 2 12597.7993 0 74 12881.0000 12597.7993 2.20% - 2s * 134 73 22 12875.000000 12645.7500 1.78% 7.7 3s * 177 97 15 12873.000000 12649.8125 1.73% 7.4 3s 601 199 12740.5000 12 50 12873.0000 12713.6875 1.24% 7.4 5s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 1 Explored 2421 nodes (16899 simplex iterations) in 9.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287300000000e+04, best bound 1.287300000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 16), (10, 38), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 821 rows, 1128 columns and 202607 nonzeros Presolve time: 0.12s Presolved: 821 rows, 1128 columns, 202607 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12885.000000 12564.8519 2.48% - 0s 0 0 12589.1047 0 50 12885.0000 12589.1047 2.30% - 0s 0 0 12589.1047 0 49 12885.0000 12589.1047 2.30% - 0s 0 0 12589.1192 0 58 12885.0000 12589.1192 2.30% - 0s 0 0 12591.4394 0 54 12885.0000 12591.4394 2.28% - 1s 0 0 12591.5946 0 63 12885.0000 12591.5946 2.28% - 1s 0 0 12593.4387 0 63 12885.0000 12593.4387 2.26% - 1s 0 0 12594.0582 0 56 12885.0000 12594.0582 2.26% - 1s 0 0 12594.1464 0 65 12885.0000 12594.1464 2.26% - 1s 0 0 12594.4756 0 62 12885.0000 12594.4756 2.25% - 1s 0 0 12594.5358 0 70 12885.0000 12594.5358 2.25% - 1s 0 0 12594.7575 0 71 12885.0000 12594.7575 2.25% - 1s 0 2 12595.3451 0 71 12885.0000 12595.3451 2.25% - 2s * 24 17 20 12876.000000 12616.6250 2.01% 11.0 2s * 108 47 16 12875.000000 12636.0650 1.86% 6.5 2s * 372 139 9 12874.000000 12692.0000 1.41% 6.7 3s 610 236 12782.0000 32 71 12874.0000 12705.8524 1.31% 6.1 5s * 1238 202 32 12873.000000 12731.1875 1.10% 7.3 6s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 1 Explored 2238 nodes (15296 simplex iterations) in 8.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287300000000e+04, best bound 1.287200000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 21), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 822 rows, 1128 columns and 202860 nonzeros Presolve time: 0.12s Presolved: 822 rows, 1128 columns, 202860 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12891.000000 12564.8519 2.53% - 0s 0 0 12589.1047 0 50 12891.0000 12589.1047 2.34% - 0s 0 0 12589.1047 0 49 12891.0000 12589.1047 2.34% - 0s 0 0 12589.1192 0 58 12891.0000 12589.1192 2.34% - 0s H 0 0 12877.000000 12589.1192 2.24% - 0s 0 0 12591.4394 0 54 12877.0000 12591.4394 2.22% - 1s 0 0 12591.5438 0 62 12877.0000 12591.5438 2.22% - 1s 0 0 12591.8022 0 63 12877.0000 12591.8022 2.21% - 1s 0 0 12592.3688 0 65 12877.0000 12592.3688 2.21% - 1s 0 0 12593.1577 0 65 12877.0000 12593.1577 2.20% - 1s 0 0 12593.6771 0 48 12877.0000 12593.6771 2.20% - 1s 0 0 12594.1450 0 55 12877.0000 12594.1450 2.20% - 1s 0 0 12594.2146 0 64 12877.0000 12594.2146 2.20% - 1s 0 0 12594.7571 0 61 12877.0000 12594.7571 2.19% - 1s 0 0 12594.8306 0 66 12877.0000 12594.8306 2.19% - 1s 0 0 12594.9880 0 67 12877.0000 12594.9880 2.19% - 1s 0 0 12595.7797 0 64 12877.0000 12595.7797 2.18% - 1s 0 0 12595.8446 0 68 12877.0000 12595.8446 2.18% - 1s 0 0 12596.4847 0 72 12877.0000 12596.4847 2.18% - 1s 0 0 12596.8867 0 69 12877.0000 12596.8867 2.18% - 1s 0 2 12597.1485 0 69 12877.0000 12597.1485 2.17% - 2s * 98 51 13 12874.000000 12646.5000 1.77% 6.8 2s 612 214 12764.0000 15 69 12874.0000 12726.0000 1.15% 6.9 5s Cutting planes: Gomory: 3 Zero half: 11 Explored 2478 nodes (16611 simplex iterations) in 8.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287400000000e+04, best bound 1.287300000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 823 rows, 1128 columns and 203136 nonzeros Presolve time: 0.12s Presolved: 823 rows, 1128 columns, 203136 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12564.8519 2.61% - 0s 0 0 12589.1047 0 50 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1047 0 49 12902.0000 12589.1047 2.43% - 0s 0 0 12589.1192 0 58 12902.0000 12589.1192 2.43% - 0s 0 0 12591.4394 0 54 12902.0000 12591.4394 2.41% - 0s 0 0 12591.5946 0 63 12902.0000 12591.5946 2.41% - 1s 0 0 12593.4387 0 63 12902.0000 12593.4387 2.39% - 1s 0 0 12593.9985 0 55 12902.0000 12593.9985 2.39% - 1s 0 0 12594.0945 0 67 12902.0000 12594.0945 2.39% - 1s 0 0 12594.5045 0 55 12902.0000 12594.5045 2.38% - 1s 0 0 12594.5720 0 58 12902.0000 12594.5720 2.38% - 1s 0 0 12594.6223 0 65 12902.0000 12594.6223 2.38% - 1s 0 0 12594.8344 0 68 12902.0000 12594.8344 2.38% - 1s 0 0 12595.8097 0 61 12902.0000 12595.8097 2.37% - 1s 0 0 12596.1239 0 63 12902.0000 12596.1239 2.37% - 1s 0 0 12596.8337 0 58 12902.0000 12596.8337 2.37% - 1s 0 0 12596.8938 0 65 12902.0000 12596.8938 2.36% - 1s 0 0 12596.8938 0 65 12902.0000 12596.8938 2.36% - 1s H 0 0 12896.000000 12596.8938 2.32% - 1s H 0 0 12889.000000 12596.8938 2.27% - 2s 0 2 12597.0000 0 65 12889.0000 12597.0000 2.27% - 2s * 59 27 56 12884.000000 12627.3039 1.99% 6.0 2s * 144 74 27 12881.000000 12653.0000 1.77% 5.3 2s * 207 111 14 12879.000000 12659.0000 1.71% 5.5 2s * 497 211 16 12874.000000 12700.0000 1.35% 5.5 3s 614 231 12714.7407 14 46 12874.0000 12714.7407 1.24% 6.1 5s Cutting planes: Gomory: 3 Zero half: 5 Mod-K: 1 Explored 2206 nodes (14649 simplex iterations) in 7.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287400000000e+04, best bound 1.287400000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 824 rows, 1128 columns and 203389 nonzeros Presolve time: 0.11s Presolved: 824 rows, 1128 columns, 203389 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256485e+04, 137 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12564.8519 0 49 47372.0000 12564.8519 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12564.8519 2.47% - 0s 0 0 12589.1047 0 50 12883.0000 12589.1047 2.28% - 0s 0 0 12589.1047 0 49 12883.0000 12589.1047 2.28% - 0s 0 0 12589.1192 0 58 12883.0000 12589.1192 2.28% - 0s 0 0 12591.4394 0 54 12883.0000 12591.4394 2.26% - 0s 0 0 12591.5946 0 63 12883.0000 12591.5946 2.26% - 1s 0 0 12593.4387 0 63 12883.0000 12593.4387 2.25% - 1s 0 0 12594.0582 0 56 12883.0000 12594.0582 2.24% - 1s 0 0 12594.1464 0 65 12883.0000 12594.1464 2.24% - 1s 0 0 12594.5460 0 61 12883.0000 12594.5460 2.24% - 1s 0 0 12594.5621 0 68 12883.0000 12594.5621 2.24% - 1s 0 0 12594.6407 0 70 12883.0000 12594.6407 2.24% - 1s 0 0 12594.6666 0 71 12883.0000 12594.6666 2.24% - 1s 0 0 12595.1630 0 63 12883.0000 12595.1630 2.23% - 1s 0 0 12595.4997 0 66 12883.0000 12595.4997 2.23% - 1s 0 0 12596.3671 0 63 12883.0000 12596.3671 2.22% - 1s 0 0 12596.7332 0 68 12883.0000 12596.7332 2.22% - 1s 0 0 12596.9902 0 68 12883.0000 12596.9902 2.22% - 1s 0 0 12597.2720 0 69 12883.0000 12597.2720 2.22% - 1s 0 0 12597.4540 0 69 12883.0000 12597.4540 2.22% - 1s 0 0 12597.9171 0 63 12883.0000 12597.9171 2.21% - 1s 0 0 12598.1796 0 68 12883.0000 12598.1796 2.21% - 1s 0 0 12598.3104 0 64 12883.0000 12598.3104 2.21% - 1s 0 0 12598.3657 0 74 12883.0000 12598.3657 2.21% - 1s 0 0 12598.5025 0 60 12883.0000 12598.5025 2.21% - 1s 0 0 12598.6071 0 72 12883.0000 12598.6071 2.21% - 1s 0 0 12598.6960 0 68 12883.0000 12598.6960 2.21% - 1s 0 0 12598.7279 0 75 12883.0000 12598.7279 2.21% - 1s 0 0 12598.7679 0 72 12883.0000 12598.7679 2.21% - 1s H 0 0 12875.000000 12598.7679 2.15% - 2s 0 2 12598.7890 0 72 12875.0000 12598.7890 2.15% - 3s * 39 23 31 12874.000000 12637.6000 1.84% 10.6 3s 601 210 12838.0000 10 50 12874.0000 12732.6667 1.10% 6.8 5s 2485 99 cutoff 21 12874.0000 12829.5000 0.35% 6.7 10s Cutting planes: Gomory: 2 Zero half: 12 Explored 2659 nodes (18018 simplex iterations) in 10.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287400000000e+04, best bound 1.287400000000e+04, gap 0.0% adding cut for [(2, 9), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 825 rows, 1128 columns and 203579 nonzeros Presolve time: 0.12s Presolved: 825 rows, 1128 columns, 203579 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12875.000000 12565.2245 2.41% - 0s 0 0 12565.3673 0 58 12875.0000 12565.3673 2.40% - 0s 0 0 12565.3673 0 50 12875.0000 12565.3673 2.40% - 0s 0 0 12575.5889 0 57 12875.0000 12575.5889 2.33% - 0s 0 0 12586.1867 0 54 12875.0000 12586.1867 2.24% - 0s 0 0 12586.4367 0 62 12875.0000 12586.4367 2.24% - 1s 0 0 12589.6400 0 55 12875.0000 12589.6400 2.22% - 1s 0 0 12589.7800 0 63 12875.0000 12589.7800 2.22% - 1s 0 0 12590.3195 0 65 12875.0000 12590.3195 2.21% - 1s 0 0 12591.0432 0 63 12875.0000 12591.0432 2.21% - 1s 0 0 12591.1622 0 68 12875.0000 12591.1622 2.20% - 1s 0 0 12591.8849 0 63 12875.0000 12591.8849 2.20% - 1s 0 0 12592.1473 0 64 12875.0000 12592.1473 2.20% - 1s 0 0 12592.1778 0 68 12875.0000 12592.1778 2.20% - 1s 0 0 12592.2897 0 68 12875.0000 12592.2897 2.20% - 1s 0 0 12592.5423 0 68 12875.0000 12592.5423 2.19% - 1s 0 0 12592.9187 0 68 12875.0000 12592.9187 2.19% - 1s 0 0 12593.4592 0 70 12875.0000 12593.4592 2.19% - 1s 0 0 12593.8108 0 73 12875.0000 12593.8108 2.18% - 1s 0 0 12594.0749 0 72 12875.0000 12594.0749 2.18% - 1s 0 0 12594.4532 0 75 12875.0000 12594.4532 2.18% - 1s 0 0 12596.4354 0 69 12875.0000 12596.4354 2.16% - 1s 0 0 12596.6882 0 71 12875.0000 12596.6882 2.16% - 1s 0 0 12596.7136 0 70 12875.0000 12596.7136 2.16% - 1s 0 0 12597.2461 0 69 12875.0000 12597.2461 2.16% - 1s 0 0 12597.3627 0 72 12875.0000 12597.3627 2.16% - 1s 0 0 12597.4375 0 76 12875.0000 12597.4375 2.16% - 1s 0 0 12597.5511 0 71 12875.0000 12597.5511 2.15% - 1s 0 2 12597.5895 0 71 12875.0000 12597.5895 2.15% - 2s 607 239 12715.3864 9 71 12875.0000 12702.5000 1.34% 6.0 5s * 1064 254 20 12874.000000 12704.1111 1.32% 6.8 6s Cutting planes: Gomory: 1 Zero half: 11 Explored 2680 nodes (17828 simplex iterations) in 9.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287400000000e+04, best bound 1.287400000000e+04, gap 0.0% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 826 rows, 1128 columns and 203769 nonzeros Presolve time: 0.12s Presolved: 826 rows, 1128 columns, 203769 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12886.000000 12565.2245 2.49% - 0s 0 0 12565.3673 0 58 12886.0000 12565.3673 2.49% - 0s 0 0 12565.3673 0 50 12886.0000 12565.3673 2.49% - 0s 0 0 12565.3673 0 58 12886.0000 12565.3673 2.49% - 0s 0 0 12576.4444 0 54 12886.0000 12576.4444 2.40% - 0s 0 0 12585.3439 0 62 12886.0000 12585.3439 2.33% - 1s 0 0 12588.5000 0 23 12886.0000 12588.5000 2.31% - 1s 0 0 12588.5236 0 43 12886.0000 12588.5236 2.31% - 1s 0 0 12588.6225 0 31 12886.0000 12588.6225 2.31% - 1s 0 0 12588.6582 0 51 12886.0000 12588.6582 2.31% - 1s 0 0 12589.1271 0 56 12886.0000 12589.1271 2.30% - 1s 0 0 12589.1712 0 64 12886.0000 12589.1712 2.30% - 1s 0 0 12589.4007 0 58 12886.0000 12589.4007 2.30% - 1s 0 0 12589.4926 0 67 12886.0000 12589.4926 2.30% - 1s 0 0 12589.9772 0 53 12886.0000 12589.9772 2.30% - 1s 0 0 12590.3280 0 59 12886.0000 12590.3280 2.29% - 1s 0 0 12590.8146 0 60 12886.0000 12590.8146 2.29% - 1s 0 0 12590.9785 0 66 12886.0000 12590.9785 2.29% - 1s 0 0 12591.6521 0 69 12886.0000 12591.6521 2.28% - 1s 0 0 12594.4816 0 62 12886.0000 12594.4816 2.26% - 1s 0 0 12595.1811 0 66 12886.0000 12595.1811 2.26% - 1s 0 0 12595.3570 0 66 12886.0000 12595.3570 2.26% - 1s 0 0 12595.4283 0 70 12886.0000 12595.4283 2.25% - 1s 0 0 12595.4808 0 74 12886.0000 12595.4808 2.25% - 1s 0 0 12595.6434 0 76 12886.0000 12595.6434 2.25% - 1s 0 0 12595.9553 0 68 12886.0000 12595.9553 2.25% - 1s 0 0 12596.0384 0 73 12886.0000 12596.0384 2.25% - 1s 0 0 12596.0884 0 76 12886.0000 12596.0884 2.25% - 1s 0 0 12596.9356 0 69 12886.0000 12596.9356 2.24% - 1s 0 0 12597.0775 0 72 12886.0000 12597.0775 2.24% - 1s 0 0 12597.3992 0 71 12886.0000 12597.3992 2.24% - 1s 0 2 12597.4133 0 71 12886.0000 12597.4133 2.24% - 2s H 147 82 12875.000000 12645.0000 1.79% 7.2 3s 601 214 12778.8333 17 58 12875.0000 12698.4167 1.37% 6.9 5s * 1015 226 24 12874.000000 12698.4167 1.36% 7.5 7s Cutting planes: Gomory: 1 Zero half: 9 Explored 2472 nodes (17468 simplex iterations) in 9.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287400000000e+04, best bound 1.287300000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 46), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 827 rows, 1128 columns and 203979 nonzeros Presolve time: 0.12s Presolved: 827 rows, 1128 columns, 203979 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12565.2245 2.46% - 0s 0 0 12565.3673 0 58 12882.0000 12565.3673 2.46% - 0s 0 0 12565.3673 0 50 12882.0000 12565.3673 2.46% - 0s 0 0 12565.3673 0 58 12882.0000 12565.3673 2.46% - 0s 0 0 12576.4444 0 54 12882.0000 12576.4444 2.37% - 0s 0 0 12585.3439 0 62 12882.0000 12585.3439 2.30% - 0s 0 0 12588.5000 0 23 12882.0000 12588.5000 2.28% - 1s 0 0 12588.5316 0 43 12882.0000 12588.5316 2.28% - 1s 0 0 12588.6225 0 31 12882.0000 12588.6225 2.28% - 1s 0 0 12588.6493 0 51 12882.0000 12588.6493 2.28% - 1s 0 0 12589.1727 0 55 12882.0000 12589.1727 2.27% - 1s 0 0 12589.3510 0 64 12882.0000 12589.3510 2.27% - 1s 0 0 12589.8542 0 59 12882.0000 12589.8542 2.27% - 1s 0 0 12590.3981 0 59 12882.0000 12590.3981 2.26% - 1s 0 0 12590.4681 0 55 12882.0000 12590.4681 2.26% - 1s 0 0 12590.6139 0 65 12882.0000 12590.6139 2.26% - 1s 0 0 12590.6535 0 67 12882.0000 12590.6535 2.26% - 1s 0 0 12590.8122 0 60 12882.0000 12590.8122 2.26% - 1s 0 0 12590.9160 0 68 12882.0000 12590.9160 2.26% - 1s 0 0 12592.3761 0 60 12882.0000 12592.3761 2.25% - 1s 0 0 12592.4182 0 61 12882.0000 12592.4182 2.25% - 1s 0 0 12592.4736 0 66 12882.0000 12592.4736 2.25% - 1s 0 0 12592.7564 0 66 12882.0000 12592.7564 2.25% - 1s 0 0 12594.0205 0 67 12882.0000 12594.0205 2.24% - 1s 0 0 12594.0871 0 70 12882.0000 12594.0871 2.24% - 1s 0 0 12594.2850 0 69 12882.0000 12594.2850 2.23% - 1s 0 0 12594.9552 0 69 12882.0000 12594.9552 2.23% - 1s 0 0 12595.0967 0 74 12882.0000 12595.0967 2.23% - 1s 0 0 12595.2443 0 75 12882.0000 12595.2443 2.23% - 1s 0 0 12595.4527 0 74 12882.0000 12595.4527 2.22% - 1s 0 0 12595.4560 0 77 12882.0000 12595.4560 2.22% - 1s 0 0 12595.9418 0 74 12882.0000 12595.9418 2.22% - 1s 0 0 12596.0936 0 76 12882.0000 12596.0936 2.22% - 1s 0 0 12596.7533 0 73 12882.0000 12596.7533 2.21% - 2s 0 0 12596.7631 0 75 12882.0000 12596.7631 2.21% - 2s 0 0 12596.7631 0 74 12882.0000 12596.7631 2.21% - 2s 0 2 12596.8303 0 74 12882.0000 12596.8303 2.21% - 2s H 112 50 12880.000000 12633.5000 1.91% 6.9 3s * 133 65 21 12879.000000 12633.5000 1.91% 7.0 3s * 326 141 9 12876.000000 12673.0000 1.58% 6.8 4s 601 202 12785.3333 11 58 12876.0000 12716.5000 1.24% 6.7 5s * 1101 225 25 12875.000000 12716.5000 1.23% 6.9 7s * 1958 184 27 12874.000000 12789.0000 0.66% 6.8 8s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 1 Explored 2421 nodes (16276 simplex iterations) in 9.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287400000000e+04, best bound 1.287300000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 828 rows, 1128 columns and 204169 nonzeros Presolve time: 0.12s Presolved: 828 rows, 1128 columns, 204169 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12576.4444 0 54 12902.0000 12576.4444 2.52% - 0s 0 0 12585.3541 0 62 12902.0000 12585.3541 2.45% - 0s 0 0 12588.5000 0 23 12902.0000 12588.5000 2.43% - 1s 0 0 12588.5316 0 43 12902.0000 12588.5316 2.43% - 1s 0 0 12588.6225 0 31 12902.0000 12588.6225 2.43% - 1s 0 0 12588.6593 0 51 12902.0000 12588.6593 2.43% - 1s 0 0 12589.1123 0 50 12902.0000 12589.1123 2.43% - 1s 0 0 12589.1735 0 56 12902.0000 12589.1735 2.42% - 1s 0 0 12589.2250 0 65 12902.0000 12589.2250 2.42% - 1s 0 0 12590.3046 0 61 12902.0000 12590.3046 2.42% - 1s 0 0 12590.7365 0 59 12902.0000 12590.7365 2.41% - 1s 0 0 12590.9033 0 64 12902.0000 12590.9033 2.41% - 1s 0 0 12591.5311 0 58 12902.0000 12591.5311 2.41% - 1s 0 0 12591.5778 0 66 12902.0000 12591.5778 2.41% - 1s 0 0 12591.8307 0 66 12902.0000 12591.8307 2.40% - 1s 0 0 12592.0410 0 54 12902.0000 12592.0410 2.40% - 1s 0 0 12592.2770 0 68 12902.0000 12592.2770 2.40% - 1s 0 0 12592.3668 0 60 12902.0000 12592.3668 2.40% - 1s 0 0 12592.4754 0 66 12902.0000 12592.4754 2.40% - 1s 0 0 12594.3380 0 69 12902.0000 12594.3380 2.38% - 1s 0 0 12594.7028 0 65 12902.0000 12594.7028 2.38% - 1s 0 0 12594.7309 0 66 12902.0000 12594.7309 2.38% - 1s 0 2 12594.8320 0 66 12902.0000 12594.8320 2.38% - 2s H 249 137 12888.000000 12641.6538 1.91% 5.2 3s * 278 141 33 12878.000000 12641.6538 1.84% 5.6 3s 604 254 12834.0000 22 66 12878.0000 12657.0000 1.72% 6.1 5s * 752 247 31 12875.000000 12657.0000 1.69% 6.7 6s Cutting planes: Gomory: 1 Zero half: 7 Explored 2559 nodes (17139 simplex iterations) in 9.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287500000000e+04, best bound 1.287500000000e+04, gap 0.0% adding cut for [(2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 829 rows, 1128 columns and 204400 nonzeros Presolve time: 0.12s Presolved: 829 rows, 1128 columns, 204400 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12884.000000 12565.2245 2.47% - 0s 0 0 12565.3673 0 58 12884.0000 12565.3673 2.47% - 0s 0 0 12565.3673 0 50 12884.0000 12565.3673 2.47% - 0s 0 0 12565.3673 0 58 12884.0000 12565.3673 2.47% - 0s 0 0 12576.4444 0 54 12884.0000 12576.4444 2.39% - 0s 0 0 12585.3529 0 62 12884.0000 12585.3529 2.32% - 1s 0 0 12588.5000 0 23 12884.0000 12588.5000 2.29% - 1s 0 0 12588.5236 0 43 12884.0000 12588.5236 2.29% - 1s 0 0 12588.6225 0 31 12884.0000 12588.6225 2.29% - 1s 0 0 12588.6437 0 51 12884.0000 12588.6437 2.29% - 1s 0 0 12589.1184 0 53 12884.0000 12589.1184 2.29% - 1s 0 0 12589.2812 0 66 12884.0000 12589.2812 2.29% - 1s 0 0 12589.7097 0 51 12884.0000 12589.7097 2.28% - 1s 0 0 12590.0334 0 57 12884.0000 12590.0334 2.28% - 1s 0 0 12590.1083 0 59 12884.0000 12590.1083 2.28% - 1s 0 0 12590.4375 0 65 12884.0000 12590.4375 2.28% - 1s 0 0 12590.9605 0 65 12884.0000 12590.9605 2.27% - 1s 0 0 12591.1101 0 67 12884.0000 12591.1101 2.27% - 1s 0 0 12591.2761 0 70 12884.0000 12591.2761 2.27% - 1s 0 0 12591.7190 0 68 12884.0000 12591.7190 2.27% - 1s 0 0 12592.9198 0 63 12884.0000 12592.9198 2.26% - 1s 0 0 12593.0176 0 68 12884.0000 12593.0176 2.26% - 1s 0 0 12593.8705 0 63 12884.0000 12593.8705 2.25% - 1s 0 0 12593.9310 0 68 12884.0000 12593.9310 2.25% - 1s 0 0 12594.2109 0 69 12884.0000 12594.2109 2.25% - 1s 0 0 12594.3025 0 71 12884.0000 12594.3025 2.25% - 1s 0 0 12594.4135 0 77 12884.0000 12594.4135 2.25% - 1s 0 0 12594.9170 0 74 12884.0000 12594.9170 2.24% - 1s 0 0 12595.1074 0 71 12884.0000 12595.1074 2.24% - 1s 0 0 12595.1995 0 75 12884.0000 12595.1995 2.24% - 1s 0 0 12595.8007 0 72 12884.0000 12595.8007 2.24% - 1s 0 0 12595.9889 0 74 12884.0000 12595.9889 2.24% - 1s 0 0 12596.2137 0 76 12884.0000 12596.2137 2.23% - 1s 0 0 12596.9290 0 73 12884.0000 12596.9290 2.23% - 1s 0 0 12598.6222 0 73 12884.0000 12598.6222 2.21% - 1s 0 0 12598.7059 0 73 12884.0000 12598.7059 2.21% - 2s 0 0 12598.7474 0 73 12884.0000 12598.7474 2.21% - 2s 0 0 12598.7512 0 78 12884.0000 12598.7512 2.21% - 2s H 0 0 12876.000000 12598.7512 2.15% - 2s 0 2 12599.0095 0 78 12876.0000 12599.0095 2.15% - 3s 701 192 12764.0000 10 58 12876.0000 12725.2500 1.17% 7.2 5s * 956 198 29 12875.000000 12725.2500 1.16% 7.7 7s Cutting planes: Gomory: 1 Zero half: 12 Explored 2090 nodes (14685 simplex iterations) in 9.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287500000000e+04, best bound 1.287400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 830 rows, 1128 columns and 204653 nonzeros Presolve time: 0.11s Presolved: 830 rows, 1128 columns, 204653 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12576.4444 0 54 12902.0000 12576.4444 2.52% - 0s 0 0 12585.3529 0 62 12902.0000 12585.3529 2.45% - 0s 0 0 12588.5000 0 23 12902.0000 12588.5000 2.43% - 1s 0 0 12588.5305 0 43 12902.0000 12588.5305 2.43% - 1s 0 0 12588.6225 0 31 12902.0000 12588.6225 2.43% - 1s 0 0 12588.6544 0 51 12902.0000 12588.6544 2.43% - 1s 0 0 12589.1184 0 53 12902.0000 12589.1184 2.43% - 1s 0 0 12589.6700 0 54 12902.0000 12589.6700 2.42% - 1s 0 0 12589.8375 0 59 12902.0000 12589.8375 2.42% - 1s 0 0 12589.9351 0 62 12902.0000 12589.9351 2.42% - 1s 0 0 12590.0329 0 65 12902.0000 12590.0329 2.42% - 1s 0 0 12590.1689 0 65 12902.0000 12590.1689 2.42% - 1s 0 0 12590.3648 0 68 12902.0000 12590.3648 2.42% - 1s 0 0 12590.7141 0 57 12902.0000 12590.7141 2.41% - 1s 0 0 12590.9293 0 69 12902.0000 12590.9293 2.41% - 1s 0 0 12591.0709 0 63 12902.0000 12591.0709 2.41% - 1s 0 0 12591.2491 0 68 12902.0000 12591.2491 2.41% - 1s 0 0 12591.8576 0 68 12902.0000 12591.8576 2.40% - 1s 0 0 12592.2037 0 69 12902.0000 12592.2037 2.40% - 1s 0 0 12592.4577 0 67 12902.0000 12592.4577 2.40% - 1s 0 0 12592.7345 0 68 12902.0000 12592.7345 2.40% - 1s 0 0 12593.1805 0 71 12902.0000 12593.1805 2.39% - 1s 0 0 12593.6776 0 71 12902.0000 12593.6776 2.39% - 1s 0 0 12593.9651 0 74 12902.0000 12593.9651 2.39% - 1s 0 0 12594.1166 0 76 12902.0000 12594.1166 2.39% - 1s 0 0 12596.3575 0 70 12902.0000 12596.3575 2.37% - 1s 0 0 12597.2166 0 70 12902.0000 12597.2166 2.36% - 1s 0 0 12597.4842 0 73 12902.0000 12597.4842 2.36% - 1s 0 0 12597.8018 0 74 12902.0000 12597.8018 2.36% - 1s 0 0 12597.9685 0 74 12902.0000 12597.9685 2.36% - 1s 0 0 12597.9977 0 75 12902.0000 12597.9977 2.36% - 2s 0 2 12598.0013 0 75 12902.0000 12598.0013 2.36% - 3s * 127 56 29 12881.000000 12638.3143 1.88% 4.1 3s * 221 105 22 12876.000000 12653.4167 1.73% 5.4 3s 601 223 12768.1667 8 58 12876.0000 12710.2667 1.29% 6.3 5s H 944 257 12875.000000 12710.2667 1.28% 7.2 7s 2379 141 12870.2500 31 22 12875.0000 12818.0000 0.44% 6.6 10s Cutting planes: Gomory: 1 Zero half: 10 Explored 2628 nodes (17448 simplex iterations) in 10.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287500000000e+04, best bound 1.287400000000e+04, gap 0.0078% adding cut for [(33, 46), (36, 46), (38, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 831 rows, 1128 columns and 204824 nonzeros Presolve time: 0.12s Presolved: 831 rows, 1128 columns, 204824 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 0s 0 0 12586.8605 0 54 12902.0000 12586.8605 2.44% - 0s 0 0 12587.1105 0 62 12902.0000 12587.1105 2.44% - 0s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9283 0 61 12902.0000 12589.9283 2.42% - 1s 0 0 12590.2708 0 57 12902.0000 12590.2708 2.42% - 1s 0 0 12590.3779 0 65 12902.0000 12590.3779 2.42% - 1s 0 0 12591.2359 0 60 12902.0000 12591.2359 2.41% - 1s 0 0 12591.3640 0 66 12902.0000 12591.3640 2.41% - 1s 0 0 12592.1080 0 66 12902.0000 12592.1080 2.40% - 1s 0 0 12592.5455 0 67 12902.0000 12592.5455 2.40% - 1s 0 0 12592.6763 0 68 12902.0000 12592.6763 2.40% - 1s 0 0 12592.7734 0 69 12902.0000 12592.7734 2.40% - 1s 0 0 12592.9996 0 68 12902.0000 12592.9996 2.39% - 1s 0 0 12593.0769 0 70 12902.0000 12593.0769 2.39% - 1s 0 0 12593.1534 0 72 12902.0000 12593.1534 2.39% - 1s 0 0 12595.4382 0 69 12902.0000 12595.4382 2.38% - 1s 0 0 12595.7951 0 70 12902.0000 12595.7951 2.37% - 1s 0 0 12596.5695 0 73 12902.0000 12596.5695 2.37% - 1s 0 0 12596.7003 0 75 12902.0000 12596.7003 2.37% - 1s 0 0 12596.7899 0 78 12902.0000 12596.7899 2.37% - 1s 0 0 12597.3648 0 76 12902.0000 12597.3648 2.36% - 1s 0 0 12597.6718 0 74 12902.0000 12597.6718 2.36% - 1s 0 0 12598.0380 0 76 12902.0000 12598.0380 2.36% - 1s 0 0 12598.7845 0 68 12902.0000 12598.7845 2.35% - 1s 0 0 12598.8831 0 69 12902.0000 12598.8831 2.35% - 1s 0 0 12599.0416 0 76 12902.0000 12599.0416 2.35% - 1s 0 0 12599.0970 0 74 12902.0000 12599.0970 2.35% - 1s 0 0 12599.1549 0 76 12902.0000 12599.1549 2.35% - 1s 0 0 12599.3538 0 76 12902.0000 12599.3538 2.35% - 2s 0 0 12599.4157 0 77 12902.0000 12599.4157 2.35% - 2s 0 0 12599.4774 0 78 12902.0000 12599.4774 2.34% - 2s 0 0 12599.7500 0 67 12902.0000 12599.7500 2.34% - 2s 0 0 12599.7554 0 70 12902.0000 12599.7554 2.34% - 2s 0 2 12600.1863 0 70 12902.0000 12600.1863 2.34% - 3s H 48 20 12897.000000 12633.8864 2.04% 6.6 3s * 150 68 31 12876.000000 12647.0000 1.78% 5.9 3s * 356 143 17 12875.000000 12694.6667 1.40% 6.9 4s 701 187 12764.5000 11 58 12875.0000 12728.8571 1.14% 7.2 6s 2240 108 cutoff 29 12875.0000 12817.6667 0.45% 7.0 10s Cutting planes: Gomory: 1 Zero half: 6 Explored 2450 nodes (17140 simplex iterations) in 10.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287500000000e+04, best bound 1.287500000000e+04, gap 0.0% adding cut for [(33, 46), (4, 40), (7, 37), (7, 28), (10, 40), (10, 31), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 44)] Optimize a model with 832 rows, 1128 columns and 205014 nonzeros Presolve time: 0.12s Presolved: 832 rows, 1128 columns, 205014 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12565.2245 2.56% - 0s 0 0 12565.3673 0 58 12896.0000 12565.3673 2.56% - 0s 0 0 12565.3673 0 50 12896.0000 12565.3673 2.56% - 0s 0 0 12575.5889 0 57 12896.0000 12575.5889 2.48% - 0s 0 0 12586.8605 0 54 12896.0000 12586.8605 2.40% - 0s 0 0 12587.1105 0 62 12896.0000 12587.1105 2.40% - 0s 0 0 12589.8205 0 53 12896.0000 12589.8205 2.37% - 1s 0 0 12589.9600 0 61 12896.0000 12589.9600 2.37% - 1s 0 0 12590.1991 0 65 12896.0000 12590.1991 2.37% - 1s 0 0 12591.4808 0 58 12896.0000 12591.4808 2.36% - 1s 0 0 12591.5994 0 63 12896.0000 12591.5994 2.36% - 1s 0 0 12592.0800 0 59 12896.0000 12592.0800 2.36% - 1s 0 0 12592.1740 0 64 12896.0000 12592.1740 2.36% - 1s 0 0 12592.5000 0 64 12896.0000 12592.5000 2.35% - 1s 0 0 12592.7571 0 65 12896.0000 12592.7571 2.35% - 1s 0 0 12593.1044 0 66 12896.0000 12593.1044 2.35% - 1s 0 0 12593.1561 0 63 12896.0000 12593.1561 2.35% - 1s 0 0 12593.2234 0 68 12896.0000 12593.2234 2.35% - 1s 0 0 12593.4642 0 67 12896.0000 12593.4642 2.35% - 1s 0 0 12593.6264 0 69 12896.0000 12593.6264 2.34% - 1s 0 0 12593.7069 0 70 12896.0000 12593.7069 2.34% - 1s 0 0 12593.9772 0 71 12896.0000 12593.9772 2.34% - 1s 0 0 12594.5842 0 70 12896.0000 12594.5842 2.34% - 1s 0 0 12594.7945 0 70 12896.0000 12594.7945 2.34% - 1s 0 0 12595.2216 0 71 12896.0000 12595.2216 2.33% - 1s 0 0 12595.4615 0 71 12896.0000 12595.4615 2.33% - 1s 0 0 12595.5043 0 74 12896.0000 12595.5043 2.33% - 1s 0 0 12596.5780 0 74 12896.0000 12596.5780 2.32% - 1s 0 0 12596.6832 0 77 12896.0000 12596.6832 2.32% - 1s 0 0 12596.6832 0 77 12896.0000 12596.6832 2.32% - 2s 0 2 12596.8207 0 77 12896.0000 12596.8207 2.32% - 2s H 89 39 12878.000000 12633.5000 1.90% 6.5 3s * 596 227 25 12876.000000 12703.0833 1.34% 6.7 4s 701 244 12835.0000 13 58 12876.0000 12710.0000 1.29% 6.8 5s * 1482 192 30 12875.000000 12727.6667 1.14% 6.9 8s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 1 Explored 2531 nodes (17230 simplex iterations) in 9.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287500000000e+04, best bound 1.287500000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (12, 13), (13, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 833 rows, 1128 columns and 205267 nonzeros Presolve time: 0.12s Presolved: 833 rows, 1128 columns, 205267 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 0s 0 0 12586.8605 0 54 12902.0000 12586.8605 2.44% - 0s 0 0 12587.1105 0 62 12902.0000 12587.1105 2.44% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9283 0 61 12902.0000 12589.9283 2.42% - 1s 0 0 12590.0935 0 64 12902.0000 12590.0935 2.42% - 1s 0 0 12591.1577 0 58 12902.0000 12591.1577 2.41% - 1s 0 0 12591.2886 0 63 12902.0000 12591.2886 2.41% - 1s 0 0 12591.3933 0 61 12902.0000 12591.3933 2.41% - 1s 0 0 12591.5615 0 66 12902.0000 12591.5615 2.41% - 1s 0 0 12592.1064 0 66 12902.0000 12592.1064 2.40% - 1s 0 0 12592.5699 0 69 12902.0000 12592.5699 2.40% - 1s 0 0 12592.8930 0 67 12902.0000 12592.8930 2.40% - 1s 0 0 12593.7282 0 69 12902.0000 12593.7282 2.39% - 1s 0 0 12593.9076 0 70 12902.0000 12593.9076 2.39% - 1s 0 0 12593.9516 0 69 12902.0000 12593.9516 2.39% - 1s 0 0 12594.0980 0 68 12902.0000 12594.0980 2.39% - 1s 0 0 12594.1837 0 70 12902.0000 12594.1837 2.39% - 1s 0 0 12594.9160 0 68 12902.0000 12594.9160 2.38% - 1s 0 0 12595.1146 0 67 12902.0000 12595.1146 2.38% - 1s 0 0 12595.1659 0 72 12902.0000 12595.1659 2.38% - 1s 0 0 12595.3467 0 76 12902.0000 12595.3467 2.38% - 1s 0 0 12595.6333 0 70 12902.0000 12595.6333 2.37% - 1s 0 0 12595.8400 0 78 12902.0000 12595.8400 2.37% - 1s 0 0 12596.0557 0 78 12902.0000 12596.0557 2.37% - 1s 0 0 12596.0691 0 79 12902.0000 12596.0691 2.37% - 1s 0 0 12596.0691 0 79 12902.0000 12596.0691 2.37% - 2s 0 2 12596.0693 0 79 12902.0000 12596.0693 2.37% - 2s * 38 17 32 12882.000000 12606.1111 2.14% 8.1 3s H 54 26 12880.000000 12610.0000 2.10% 7.5 3s H 102 48 12876.000000 12624.6930 1.95% 7.3 3s * 264 119 24 12875.000000 12670.0000 1.59% 6.8 3s 601 215 12856.0000 8 58 12875.0000 12713.5000 1.25% 6.8 5s Cutting planes: Gomory: 1 Zero half: 9 Explored 2460 nodes (15580 simplex iterations) in 9.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287500000000e+04, best bound 1.287500000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 834 rows, 1128 columns and 205520 nonzeros Presolve time: 0.12s Presolved: 834 rows, 1128 columns, 205520 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12565.2245 2.45% - 0s 0 0 12565.3673 0 58 12881.0000 12565.3673 2.45% - 0s 0 0 12565.3673 0 50 12881.0000 12565.3673 2.45% - 0s 0 0 12565.3673 0 58 12881.0000 12565.3673 2.45% - 0s 0 0 12576.4444 0 54 12881.0000 12576.4444 2.36% - 0s 0 0 12585.3529 0 62 12881.0000 12585.3529 2.30% - 1s 0 0 12588.5000 0 23 12881.0000 12588.5000 2.27% - 1s 0 0 12588.5261 0 43 12881.0000 12588.5261 2.27% - 1s 0 0 12588.6225 0 31 12881.0000 12588.6225 2.27% - 1s 0 0 12588.6527 0 51 12881.0000 12588.6527 2.27% - 1s 0 0 12589.1184 0 53 12881.0000 12589.1184 2.27% - 1s 0 0 12589.3023 0 67 12881.0000 12589.3023 2.26% - 1s 0 0 12589.7143 0 52 12881.0000 12589.7143 2.26% - 1s 0 0 12590.0087 0 57 12881.0000 12590.0087 2.26% - 1s 0 0 12590.2257 0 59 12881.0000 12590.2257 2.26% - 1s 0 0 12590.4364 0 64 12881.0000 12590.4364 2.26% - 1s 0 0 12590.9605 0 65 12881.0000 12590.9605 2.25% - 1s 0 0 12591.2556 0 67 12881.0000 12591.2556 2.25% - 1s 0 0 12591.3261 0 62 12881.0000 12591.3261 2.25% - 1s 0 0 12591.3652 0 67 12881.0000 12591.3652 2.25% - 1s 0 0 12594.6904 0 65 12881.0000 12594.6904 2.22% - 1s 0 0 12594.8660 0 67 12881.0000 12594.8660 2.22% - 1s 0 0 12595.0833 0 69 12881.0000 12595.0833 2.22% - 1s 0 0 12595.5853 0 65 12881.0000 12595.5853 2.22% - 1s 0 0 12595.7612 0 74 12881.0000 12595.7612 2.21% - 1s 0 0 12595.8638 0 74 12881.0000 12595.8638 2.21% - 1s 0 0 12595.9741 0 72 12881.0000 12595.9741 2.21% - 1s 0 0 12596.0179 0 74 12881.0000 12596.0179 2.21% - 1s 0 0 12596.2877 0 75 12881.0000 12596.2877 2.21% - 1s 0 0 12596.3799 0 79 12881.0000 12596.3799 2.21% - 1s 0 0 12596.5099 0 76 12881.0000 12596.5099 2.21% - 1s 0 0 12596.5462 0 78 12881.0000 12596.5462 2.21% - 1s 0 0 12596.8907 0 70 12881.0000 12596.8907 2.21% - 1s 0 0 12596.9772 0 79 12881.0000 12596.9772 2.20% - 2s 0 0 12597.0298 0 80 12881.0000 12597.0298 2.20% - 2s 0 0 12597.0298 0 80 12881.0000 12597.0298 2.20% - 2s H 0 0 12877.000000 12597.0298 2.17% - 2s 0 2 12597.2232 0 80 12877.0000 12597.2232 2.17% - 3s * 475 211 22 12876.000000 12683.5000 1.50% 7.1 4s 601 240 12814.7143 18 58 12876.0000 12695.1429 1.40% 7.2 5s * 2243 163 31 12875.000000 12810.5000 0.50% 6.7 9s 2540 18 cutoff 25 12875.0000 12858.0000 0.13% 6.5 10s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 3 Explored 2569 nodes (17119 simplex iterations) in 10.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287500000000e+04, best bound 1.287500000000e+04, gap 0.0% adding cut for [(4, 40), (7, 37), (7, 28), (10, 38), (10, 40), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 835 rows, 1128 columns and 205710 nonzeros Presolve time: 0.12s Presolved: 835 rows, 1128 columns, 205710 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12887.000000 12565.2245 2.50% - 0s 0 0 12565.3673 0 58 12887.0000 12565.3673 2.50% - 0s 0 0 12565.3673 0 50 12887.0000 12565.3673 2.50% - 0s 0 0 12575.5889 0 57 12887.0000 12575.5889 2.42% - 0s 0 0 12586.8605 0 54 12887.0000 12586.8605 2.33% - 0s 0 0 12587.1105 0 62 12887.0000 12587.1105 2.33% - 0s 0 0 12589.8205 0 53 12887.0000 12589.8205 2.31% - 1s 0 0 12589.9283 0 61 12887.0000 12589.9283 2.31% - 1s 0 0 12590.1549 0 66 12887.0000 12590.1549 2.30% - 1s 0 0 12591.1573 0 60 12887.0000 12591.1573 2.30% - 1s 0 0 12591.2992 0 65 12887.0000 12591.2992 2.29% - 1s 0 0 12591.5121 0 57 12887.0000 12591.5121 2.29% - 1s 0 0 12591.5915 0 65 12887.0000 12591.5915 2.29% - 1s 0 0 12591.6885 0 68 12887.0000 12591.6885 2.29% - 1s 0 0 12592.5852 0 61 12887.0000 12592.5852 2.28% - 1s 0 0 12592.6794 0 66 12887.0000 12592.6794 2.28% - 1s 0 0 12593.1216 0 67 12887.0000 12593.1216 2.28% - 1s 0 0 12593.4702 0 68 12887.0000 12593.4702 2.28% - 1s 0 0 12593.5644 0 68 12887.0000 12593.5644 2.28% - 1s 0 0 12593.6256 0 74 12887.0000 12593.6256 2.28% - 1s 0 0 12593.8082 0 73 12887.0000 12593.8082 2.28% - 1s 0 0 12594.1055 0 72 12887.0000 12594.1055 2.27% - 1s 0 0 12594.8044 0 68 12887.0000 12594.8044 2.27% - 1s 0 0 12594.8157 0 71 12887.0000 12594.8157 2.27% - 1s 0 0 12594.8747 0 67 12887.0000 12594.8747 2.27% - 1s 0 0 12594.9564 0 67 12887.0000 12594.9564 2.27% - 1s 0 0 12595.0059 0 75 12887.0000 12595.0059 2.27% - 1s 0 0 12595.0624 0 71 12887.0000 12595.0624 2.27% - 1s 0 0 12595.1506 0 74 12887.0000 12595.1506 2.26% - 1s 0 0 12595.1657 0 74 12887.0000 12595.1657 2.26% - 1s 0 0 12595.2429 0 75 12887.0000 12595.2429 2.26% - 2s 0 0 12595.3339 0 74 12887.0000 12595.3339 2.26% - 2s 0 0 12595.3665 0 78 12887.0000 12595.3665 2.26% - 2s 0 0 12595.3788 0 78 12887.0000 12595.3788 2.26% - 2s 0 0 12595.3788 0 78 12887.0000 12595.3788 2.26% - 2s 0 2 12595.4854 0 78 12887.0000 12595.4854 2.26% - 3s * 196 85 17 12884.000000 12645.5000 1.85% 6.1 4s * 388 151 19 12883.000000 12682.7917 1.55% 6.6 4s * 434 162 14 12876.000000 12686.0000 1.48% 6.7 4s 601 200 12738.6667 7 58 12876.0000 12698.0000 1.38% 6.7 5s * 1329 171 26 12875.000000 12746.5000 1.00% 7.2 8s 2331 22 cutoff 25 12875.0000 12859.0000 0.12% 6.7 10s Cutting planes: Gomory: 1 Zero half: 11 Mod-K: 1 Explored 2365 nodes (16204 simplex iterations) in 10.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287500000000e+04, best bound 1.287500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 836 rows, 1128 columns and 205986 nonzeros Presolve time: 0.12s Presolved: 836 rows, 1128 columns, 205986 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12892.000000 12565.2245 2.53% - 0s 0 0 12565.3673 0 58 12892.0000 12565.3673 2.53% - 0s 0 0 12565.3673 0 50 12892.0000 12565.3673 2.53% - 0s 0 0 12575.5889 0 57 12892.0000 12575.5889 2.45% - 0s 0 0 12586.8533 0 54 12892.0000 12586.8533 2.37% - 0s 0 0 12587.1033 0 62 12892.0000 12587.1033 2.37% - 1s 0 0 12589.6400 0 55 12892.0000 12589.6400 2.35% - 1s 0 0 12589.7482 0 63 12892.0000 12589.7482 2.34% - 1s 0 0 12589.9638 0 67 12892.0000 12589.9638 2.34% - 1s 0 0 12590.8858 0 63 12892.0000 12590.8858 2.34% - 1s 0 0 12591.0345 0 68 12892.0000 12591.0345 2.33% - 1s 0 0 12591.6411 0 65 12892.0000 12591.6411 2.33% - 1s 0 0 12592.1053 0 68 12892.0000 12592.1053 2.33% - 1s 0 0 12592.3536 0 63 12892.0000 12592.3536 2.32% - 1s 0 0 12592.3639 0 68 12892.0000 12592.3639 2.32% - 1s 0 0 12592.9145 0 69 12892.0000 12592.9145 2.32% - 1s 0 0 12592.9315 0 70 12892.0000 12592.9315 2.32% - 1s 0 0 12593.1134 0 71 12892.0000 12593.1134 2.32% - 1s 0 0 12593.2473 0 72 12892.0000 12593.2473 2.32% - 1s 0 0 12593.6096 0 72 12892.0000 12593.6096 2.31% - 1s 0 0 12594.0346 0 68 12892.0000 12594.0346 2.31% - 1s 0 0 12594.1675 0 75 12892.0000 12594.1675 2.31% - 1s 0 0 12595.0109 0 75 12892.0000 12595.0109 2.30% - 1s 0 0 12595.1598 0 72 12892.0000 12595.1598 2.30% - 1s 0 0 12595.1643 0 77 12892.0000 12595.1643 2.30% - 1s H 0 0 12876.000000 12595.1643 2.18% - 2s 0 2 12595.2829 0 77 12876.0000 12595.2829 2.18% - 2s 601 231 12727.2250 26 58 12876.0000 12688.8065 1.45% 6.7 5s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 1 Explored 2440 nodes (15507 simplex iterations) in 9.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287600000000e+04, best bound 1.287500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 837 rows, 1128 columns and 206262 nonzeros Presolve time: 0.12s Presolved: 837 rows, 1128 columns, 206262 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12892.000000 12565.2245 2.53% - 0s 0 0 12565.3673 0 58 12892.0000 12565.3673 2.53% - 0s 0 0 12565.3673 0 50 12892.0000 12565.3673 2.53% - 0s 0 0 12575.5889 0 57 12892.0000 12575.5889 2.45% - 0s 0 0 12586.8533 0 54 12892.0000 12586.8533 2.37% - 0s 0 0 12587.1033 0 62 12892.0000 12587.1033 2.37% - 1s 0 0 12589.6400 0 55 12892.0000 12589.6400 2.35% - 1s 0 0 12589.7482 0 63 12892.0000 12589.7482 2.34% - 1s 0 0 12589.9638 0 67 12892.0000 12589.9638 2.34% - 1s 0 0 12590.9728 0 60 12892.0000 12590.9728 2.33% - 1s 0 0 12591.1428 0 65 12892.0000 12591.1428 2.33% - 1s 0 0 12591.4973 0 53 12892.0000 12591.4973 2.33% - 1s 0 0 12591.6624 0 66 12892.0000 12591.6624 2.33% - 1s 0 0 12592.1580 0 65 12892.0000 12592.1580 2.33% - 1s 0 0 12592.3275 0 66 12892.0000 12592.3275 2.32% - 1s 0 0 12592.3591 0 68 12892.0000 12592.3591 2.32% - 1s 0 0 12592.5193 0 69 12892.0000 12592.5193 2.32% - 1s 0 0 12592.6422 0 61 12892.0000 12592.6422 2.32% - 1s 0 0 12592.8144 0 66 12892.0000 12592.8144 2.32% - 1s 0 0 12592.9245 0 63 12892.0000 12592.9245 2.32% - 1s 0 0 12593.1109 0 67 12892.0000 12593.1109 2.32% - 1s 0 0 12593.1291 0 68 12892.0000 12593.1291 2.32% - 1s 0 0 12593.1863 0 69 12892.0000 12593.1863 2.32% - 1s 0 0 12593.6831 0 69 12892.0000 12593.6831 2.31% - 1s 0 0 12593.9178 0 71 12892.0000 12593.9178 2.31% - 1s 0 0 12594.1210 0 72 12892.0000 12594.1210 2.31% - 1s 0 0 12594.3048 0 74 12892.0000 12594.3048 2.31% - 1s 0 0 12594.5053 0 75 12892.0000 12594.5053 2.31% - 1s 0 0 12594.7006 0 70 12892.0000 12594.7006 2.31% - 1s 0 0 12594.7878 0 74 12892.0000 12594.7878 2.31% - 1s 0 0 12594.8484 0 79 12892.0000 12594.8484 2.30% - 1s 0 0 12594.8895 0 79 12892.0000 12594.8895 2.30% - 2s 0 0 12594.9862 0 78 12892.0000 12594.9862 2.30% - 2s 0 0 12595.0558 0 79 12892.0000 12595.0558 2.30% - 2s 0 0 12595.0583 0 80 12892.0000 12595.0583 2.30% - 2s 0 2 12595.0625 0 80 12892.0000 12595.0625 2.30% - 3s * 193 120 15 12884.000000 12642.1305 1.88% 5.8 4s * 204 119 22 12882.000000 12642.1305 1.86% 5.7 4s 601 282 12763.8889 12 58 12882.0000 12682.1444 1.55% 6.4 5s * 697 287 39 12876.000000 12682.1444 1.51% 6.8 7s 2144 218 12810.8571 24 19 12876.0000 12794.0000 0.64% 6.7 10s Cutting planes: Gomory: 1 Zero half: 14 Mod-K: 1 Explored 2634 nodes (17399 simplex iterations) in 10.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287600000000e+04, best bound 1.287500000000e+04, gap 0.0078% adding cut for [(2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 838 rows, 1128 columns and 206493 nonzeros Presolve time: 0.12s Presolved: 838 rows, 1128 columns, 206493 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12884.000000 12565.2245 2.47% - 0s 0 0 12565.3673 0 58 12884.0000 12565.3673 2.47% - 0s 0 0 12565.3673 0 50 12884.0000 12565.3673 2.47% - 0s 0 0 12575.5889 0 57 12884.0000 12575.5889 2.39% - 0s 0 0 12586.8605 0 54 12884.0000 12586.8605 2.31% - 0s 0 0 12587.1105 0 62 12884.0000 12587.1105 2.30% - 0s 0 0 12589.8205 0 53 12884.0000 12589.8205 2.28% - 1s 0 0 12589.9283 0 61 12884.0000 12589.9283 2.28% - 1s 0 0 12590.1346 0 55 12884.0000 12590.1346 2.28% - 1s 0 0 12590.2417 0 63 12884.0000 12590.2417 2.28% - 1s 0 0 12591.4808 0 58 12884.0000 12591.4808 2.27% - 1s 0 0 12591.6125 0 63 12884.0000 12591.6125 2.27% - 1s 0 0 12591.6697 0 59 12884.0000 12591.6697 2.27% - 1s 0 0 12591.7188 0 65 12884.0000 12591.7188 2.27% - 1s 0 0 12592.3622 0 63 12884.0000 12592.3622 2.26% - 1s 0 0 12592.4667 0 60 12884.0000 12592.4667 2.26% - 1s 0 0 12592.5103 0 66 12884.0000 12592.5103 2.26% - 1s 0 0 12592.7516 0 65 12884.0000 12592.7516 2.26% - 1s 0 0 12592.8929 0 67 12884.0000 12592.8929 2.26% - 1s 0 0 12593.1153 0 71 12884.0000 12593.1153 2.26% - 1s 0 0 12594.0410 0 69 12884.0000 12594.0410 2.25% - 1s 0 0 12594.3097 0 71 12884.0000 12594.3097 2.25% - 1s 0 0 12594.3749 0 72 12884.0000 12594.3749 2.25% - 1s 0 0 12594.4441 0 70 12884.0000 12594.4441 2.25% - 1s 0 0 12594.8391 0 70 12884.0000 12594.8391 2.24% - 1s 0 0 12595.1150 0 73 12884.0000 12595.1150 2.24% - 1s 0 0 12595.4030 0 70 12884.0000 12595.4030 2.24% - 1s 0 0 12595.6887 0 70 12884.0000 12595.6887 2.24% - 1s 0 0 12595.7360 0 75 12884.0000 12595.7360 2.24% - 1s 0 0 12596.2465 0 81 12884.0000 12596.2465 2.23% - 1s 0 0 12596.8214 0 72 12884.0000 12596.8214 2.23% - 1s 0 0 12596.9031 0 74 12884.0000 12596.9031 2.23% - 2s 0 0 12597.4519 0 71 12884.0000 12597.4519 2.22% - 2s 0 0 12597.7046 0 80 12884.0000 12597.7046 2.22% - 2s 0 0 12597.7117 0 80 12884.0000 12597.7117 2.22% - 2s 0 2 12597.9637 0 80 12884.0000 12597.9637 2.22% - 3s * 98 50 37 12880.000000 12623.4737 1.99% 5.9 3s * 485 203 15 12876.000000 12696.0000 1.40% 6.7 4s 601 243 12751.9494 9 58 12876.0000 12709.0000 1.30% 6.7 5s Cutting planes: Gomory: 1 Zero half: 10 Mod-K: 1 Explored 2046 nodes (12956 simplex iterations) in 9.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287600000000e+04, best bound 1.287600000000e+04, gap 0.0% adding cut for [(33, 46), (4, 40), (7, 37), (7, 28), (16, 38), (16, 40), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 839 rows, 1128 columns and 206703 nonzeros Presolve time: 0.12s Presolved: 839 rows, 1128 columns, 206703 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12565.2245 2.56% - 0s 0 0 12565.3673 0 58 12896.0000 12565.3673 2.56% - 0s 0 0 12565.3673 0 50 12896.0000 12565.3673 2.56% - 0s 0 0 12575.5889 0 57 12896.0000 12575.5889 2.48% - 0s 0 0 12586.8605 0 54 12896.0000 12586.8605 2.40% - 0s 0 0 12587.1105 0 62 12896.0000 12587.1105 2.40% - 1s 0 0 12589.8205 0 53 12896.0000 12589.8205 2.37% - 1s 0 0 12589.9283 0 61 12896.0000 12589.9283 2.37% - 1s 0 0 12590.3798 0 57 12896.0000 12590.3798 2.37% - 1s 0 0 12590.4869 0 65 12896.0000 12590.4869 2.37% - 1s 0 0 12591.4808 0 58 12896.0000 12591.4808 2.36% - 1s 0 0 12591.6502 0 63 12896.0000 12591.6502 2.36% - 1s 0 0 12592.1026 0 58 12896.0000 12592.1026 2.36% - 1s 0 0 12592.1607 0 63 12896.0000 12592.1607 2.36% - 1s 0 0 12592.4388 0 64 12896.0000 12592.4388 2.35% - 1s 0 0 12592.6798 0 68 12896.0000 12592.6798 2.35% - 1s 0 0 12592.9262 0 66 12896.0000 12592.9262 2.35% - 1s 0 0 12592.9483 0 66 12896.0000 12592.9483 2.35% - 1s 0 0 12593.0926 0 69 12896.0000 12593.0926 2.35% - 1s 0 0 12593.2013 0 71 12896.0000 12593.2013 2.35% - 1s 0 0 12593.7771 0 74 12896.0000 12593.7771 2.34% - 1s 0 0 12593.8912 0 74 12896.0000 12593.8912 2.34% - 1s 0 0 12593.9629 0 78 12896.0000 12593.9629 2.34% - 1s 0 0 12594.0415 0 76 12896.0000 12594.0415 2.34% - 1s 0 0 12594.2132 0 73 12896.0000 12594.2132 2.34% - 1s 0 0 12594.2341 0 78 12896.0000 12594.2341 2.34% - 1s 0 2 12594.3322 0 78 12896.0000 12594.3322 2.34% - 2s H 27 18 12889.000000 12620.6250 2.08% 7.0 2s * 100 54 48 12883.000000 12621.5338 2.03% 5.6 3s * 219 136 28 12881.000000 12644.2000 1.84% 5.4 3s * 277 152 16 12877.000000 12648.5000 1.77% 5.9 3s * 550 255 16 12876.000000 12687.5833 1.46% 6.5 4s 701 291 12833.0000 13 58 12876.0000 12701.0000 1.36% 6.6 5s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 1 Explored 2286 nodes (14733 simplex iterations) in 9.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287600000000e+04, best bound 1.287500000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 16), (10, 38), (13, 16), (13, 24), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 840 rows, 1128 columns and 206934 nonzeros Presolve time: 0.12s Presolved: 840 rows, 1128 columns, 206934 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 0s 0 0 12586.8605 0 54 12902.0000 12586.8605 2.44% - 0s 0 0 12587.1105 0 62 12902.0000 12587.1105 2.44% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9283 0 61 12902.0000 12589.9283 2.42% - 1s 0 0 12590.1390 0 63 12902.0000 12590.1390 2.42% - 1s 0 0 12591.1744 0 58 12902.0000 12591.1744 2.41% - 1s 0 0 12591.3061 0 63 12902.0000 12591.3061 2.41% - 1s 0 0 12591.4115 0 61 12902.0000 12591.4115 2.41% - 1s 0 0 12591.5365 0 66 12902.0000 12591.5365 2.41% - 1s 0 0 12592.0625 0 65 12902.0000 12592.0625 2.40% - 1s 0 0 12592.5062 0 67 12902.0000 12592.5062 2.40% - 1s 0 0 12592.7553 0 69 12902.0000 12592.7553 2.40% - 1s 0 0 12593.0404 0 68 12902.0000 12593.0404 2.39% - 1s 0 0 12593.6257 0 72 12902.0000 12593.6257 2.39% - 1s 0 0 12593.8068 0 73 12902.0000 12593.8068 2.39% - 1s 0 0 12594.6928 0 72 12902.0000 12594.6928 2.38% - 1s 0 0 12594.8632 0 69 12902.0000 12594.8632 2.38% - 1s 0 0 12595.0260 0 73 12902.0000 12595.0260 2.38% - 1s 0 0 12595.2260 0 70 12902.0000 12595.2260 2.38% - 1s 0 0 12595.3174 0 74 12902.0000 12595.3174 2.38% - 1s 0 0 12595.5026 0 71 12902.0000 12595.5026 2.38% - 1s 0 0 12595.5086 0 77 12902.0000 12595.5086 2.38% - 1s 0 0 12595.5355 0 78 12902.0000 12595.5355 2.38% - 1s 0 0 12595.5355 0 78 12902.0000 12595.5355 2.38% - 2s H 0 0 12892.000000 12595.5355 2.30% - 2s 0 2 12595.6396 0 78 12892.0000 12595.6396 2.30% - 2s H 27 12 12880.000000 12619.3111 2.02% 11.2 3s * 534 187 12 12876.000000 12709.3396 1.29% 6.7 4s 701 210 12755.5000 11 58 12876.0000 12727.5000 1.15% 6.6 5s Cutting planes: Gomory: 1 Zero half: 9 Explored 2110 nodes (14435 simplex iterations) in 8.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287600000000e+04, best bound 1.287600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 16), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (12, 24), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 841 rows, 1128 columns and 207210 nonzeros Presolve time: 0.12s Presolved: 841 rows, 1128 columns, 207210 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 0s 0 0 12586.8605 0 54 12902.0000 12586.8605 2.44% - 0s 0 0 12587.1105 0 62 12902.0000 12587.1105 2.44% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9283 0 61 12902.0000 12589.9283 2.42% - 1s 0 0 12590.1390 0 63 12902.0000 12590.1390 2.42% - 1s 0 0 12591.1744 0 58 12902.0000 12591.1744 2.41% - 1s 0 0 12591.3061 0 63 12902.0000 12591.3061 2.41% - 1s 0 0 12591.4115 0 61 12902.0000 12591.4115 2.41% - 1s 0 0 12591.5365 0 66 12902.0000 12591.5365 2.41% - 1s 0 0 12592.0625 0 65 12902.0000 12592.0625 2.40% - 1s 0 0 12592.5062 0 67 12902.0000 12592.5062 2.40% - 1s 0 0 12592.7553 0 69 12902.0000 12592.7553 2.40% - 1s 0 0 12593.0404 0 68 12902.0000 12593.0404 2.39% - 1s 0 0 12593.6257 0 72 12902.0000 12593.6257 2.39% - 1s 0 0 12593.7760 0 73 12902.0000 12593.7760 2.39% - 1s 0 0 12594.6959 0 73 12902.0000 12594.6959 2.38% - 1s 0 0 12594.9396 0 72 12902.0000 12594.9396 2.38% - 1s 0 0 12595.0397 0 70 12902.0000 12595.0397 2.38% - 1s 0 0 12595.7716 0 69 12902.0000 12595.7716 2.37% - 1s 0 0 12595.8389 0 63 12902.0000 12595.8389 2.37% - 1s 0 0 12596.3844 0 77 12902.0000 12596.3844 2.37% - 1s 0 2 12597.1090 0 77 12902.0000 12597.1090 2.36% - 2s * 143 77 20 12876.000000 12634.4000 1.88% 7.9 3s 601 204 12723.5000 6 58 12876.0000 12722.0000 1.20% 7.8 5s Cutting planes: Gomory: 1 Zero half: 10 Explored 1992 nodes (14157 simplex iterations) in 9.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287600000000e+04, best bound 1.287500000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 842 rows, 1128 columns and 207561 nonzeros Presolve time: 0.12s Presolved: 842 rows, 1128 columns, 207561 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12888.000000 12565.2245 2.50% - 0s 0 0 12565.3673 0 58 12888.0000 12565.3673 2.50% - 0s 0 0 12565.3673 0 50 12888.0000 12565.3673 2.50% - 0s 0 0 12575.5889 0 57 12888.0000 12575.5889 2.42% - 0s 0 0 12586.8605 0 54 12888.0000 12586.8605 2.34% - 0s 0 0 12587.1105 0 62 12888.0000 12587.1105 2.33% - 1s 0 0 12589.8205 0 53 12888.0000 12589.8205 2.31% - 1s 0 0 12589.9283 0 61 12888.0000 12589.9283 2.31% - 1s 0 0 12590.1782 0 57 12888.0000 12590.1782 2.31% - 1s 0 0 12590.3168 0 65 12888.0000 12590.3168 2.31% - 1s 0 0 12591.4808 0 58 12888.0000 12591.4808 2.30% - 1s 0 0 12591.5929 0 63 12888.0000 12591.5929 2.30% - 1s 0 0 12592.1026 0 58 12888.0000 12592.1026 2.30% - 1s 0 0 12592.1607 0 63 12888.0000 12592.1607 2.30% - 1s 0 0 12592.5442 0 63 12888.0000 12592.5442 2.29% - 1s 0 0 12592.7666 0 65 12888.0000 12592.7666 2.29% - 1s 0 0 12593.0446 0 67 12888.0000 12593.0446 2.29% - 1s 0 0 12593.2468 0 69 12888.0000 12593.2468 2.29% - 1s 0 0 12593.2895 0 70 12888.0000 12593.2895 2.29% - 1s 0 0 12593.9720 0 65 12888.0000 12593.9720 2.28% - 1s 0 0 12594.0908 0 72 12888.0000 12594.0908 2.28% - 1s 0 0 12594.5327 0 65 12888.0000 12594.5327 2.28% - 1s 0 0 12594.6521 0 72 12888.0000 12594.6521 2.28% - 1s 0 0 12595.0086 0 72 12888.0000 12595.0086 2.27% - 1s 0 0 12595.0835 0 76 12888.0000 12595.0835 2.27% - 1s 0 0 12595.2662 0 75 12888.0000 12595.2662 2.27% - 1s 0 0 12595.6852 0 71 12888.0000 12595.6852 2.27% - 1s 0 0 12595.8536 0 72 12888.0000 12595.8536 2.27% - 1s 0 0 12595.8900 0 74 12888.0000 12595.8900 2.27% - 1s 0 0 12596.2260 0 73 12888.0000 12596.2260 2.26% - 1s 0 0 12596.7875 0 76 12888.0000 12596.7875 2.26% - 1s 0 0 12596.8903 0 77 12888.0000 12596.8903 2.26% - 1s 0 0 12597.4802 0 72 12888.0000 12597.4802 2.25% - 1s 0 0 12597.5009 0 72 12888.0000 12597.5009 2.25% - 2s 0 0 12597.5009 0 72 12888.0000 12597.5009 2.25% - 2s 0 2 12597.9112 0 72 12888.0000 12597.9112 2.25% - 3s H 97 56 12887.000000 12635.7143 1.95% 7.4 3s * 102 58 27 12884.000000 12635.7143 1.93% 7.2 3s * 140 82 30 12878.000000 12639.0000 1.86% 6.7 3s * 141 81 29 12877.000000 12639.0000 1.85% 6.7 3s 601 226 12774.5000 13 58 12877.0000 12719.0000 1.23% 7.4 5s * 1163 221 35 12876.000000 12719.0000 1.22% 7.0 8s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 2 Explored 2098 nodes (14361 simplex iterations) in 9.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287600000000e+04, best bound 1.287500000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 843 rows, 1128 columns and 207814 nonzeros Presolve time: 0.12s Presolved: 843 rows, 1128 columns, 207814 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 0s 0 0 12586.8605 0 54 12902.0000 12586.8605 2.44% - 1s 0 0 12587.1105 0 62 12902.0000 12587.1105 2.44% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9283 0 61 12902.0000 12589.9283 2.42% - 1s 0 0 12590.1390 0 63 12902.0000 12590.1390 2.42% - 1s 0 0 12591.1744 0 58 12902.0000 12591.1744 2.41% - 1s 0 0 12591.3061 0 63 12902.0000 12591.3061 2.41% - 1s 0 0 12591.3608 0 66 12902.0000 12591.3608 2.41% - 1s 0 0 12592.0477 0 63 12902.0000 12592.0477 2.40% - 1s 0 0 12592.4288 0 67 12902.0000 12592.4288 2.40% - 1s 0 0 12592.8093 0 59 12902.0000 12592.8093 2.40% - 1s 0 0 12592.9769 0 64 12902.0000 12592.9769 2.40% - 1s 0 0 12593.3467 0 65 12902.0000 12593.3467 2.39% - 1s 0 0 12594.0968 0 69 12902.0000 12594.0968 2.39% - 1s 0 0 12594.1652 0 71 12902.0000 12594.1652 2.39% - 1s 0 0 12594.2588 0 70 12902.0000 12594.2588 2.39% - 1s 0 0 12594.6332 0 74 12902.0000 12594.6332 2.38% - 1s 0 0 12594.8286 0 75 12902.0000 12594.8286 2.38% - 1s 0 0 12595.4009 0 72 12902.0000 12595.4009 2.38% - 1s 0 0 12595.7909 0 72 12902.0000 12595.7909 2.37% - 1s 0 0 12595.8642 0 78 12902.0000 12595.8642 2.37% - 1s 0 0 12595.9275 0 79 12902.0000 12595.9275 2.37% - 1s 0 0 12595.9785 0 79 12902.0000 12595.9785 2.37% - 1s 0 0 12596.0219 0 82 12902.0000 12596.0219 2.37% - 2s 0 2 12596.0246 0 82 12902.0000 12596.0246 2.37% - 3s * 31 18 28 12888.000000 12614.0000 2.13% 9.2 3s H 70 37 12877.000000 12614.3764 2.04% 7.4 3s * 275 128 27 12876.000000 12677.7143 1.54% 7.2 4s 601 184 12828.5000 10 58 12876.0000 12716.9062 1.24% 6.9 5s Cutting planes: Gomory: 1 Zero half: 11 Mod-K: 1 Explored 2382 nodes (15280 simplex iterations) in 9.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287600000000e+04, best bound 1.287500000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 844 rows, 1128 columns and 208045 nonzeros Presolve time: 0.12s Presolved: 844 rows, 1128 columns, 208045 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12565.2245 2.45% - 0s 0 0 12565.3673 0 58 12881.0000 12565.3673 2.45% - 0s 0 0 12565.3673 0 50 12881.0000 12565.3673 2.45% - 0s 0 0 12565.3673 0 58 12881.0000 12565.3673 2.45% - 0s 0 0 12576.4444 0 54 12881.0000 12576.4444 2.36% - 1s 0 0 12585.3529 0 62 12881.0000 12585.3529 2.30% - 1s 0 0 12588.5000 0 23 12881.0000 12588.5000 2.27% - 1s 0 0 12588.5275 0 43 12881.0000 12588.5275 2.27% - 1s 0 0 12588.6225 0 31 12881.0000 12588.6225 2.27% - 1s 0 0 12588.6456 0 51 12881.0000 12588.6456 2.27% - 1s 0 0 12589.1184 0 53 12881.0000 12589.1184 2.27% - 1s 0 0 12589.3156 0 67 12881.0000 12589.3156 2.26% - 1s 0 0 12589.7213 0 51 12881.0000 12589.7213 2.26% - 1s 0 0 12590.0227 0 57 12881.0000 12590.0227 2.26% - 1s 0 0 12590.2522 0 59 12881.0000 12590.2522 2.26% - 1s 0 0 12590.3372 0 64 12881.0000 12590.3372 2.26% - 1s 0 0 12590.5851 0 63 12881.0000 12590.5851 2.25% - 1s 0 0 12590.5881 0 67 12881.0000 12590.5881 2.25% - 1s 0 0 12590.8033 0 68 12881.0000 12590.8033 2.25% - 1s 0 0 12591.1579 0 60 12881.0000 12591.1579 2.25% - 1s 0 0 12591.5703 0 68 12881.0000 12591.5703 2.25% - 1s 0 0 12593.2727 0 67 12881.0000 12593.2727 2.23% - 1s 0 0 12593.6294 0 66 12881.0000 12593.6294 2.23% - 1s 0 0 12593.6673 0 73 12881.0000 12593.6673 2.23% - 1s 0 0 12594.2131 0 70 12881.0000 12594.2131 2.23% - 1s 0 0 12594.7653 0 69 12881.0000 12594.7653 2.22% - 1s 0 0 12594.9320 0 73 12881.0000 12594.9320 2.22% - 1s 0 0 12595.3448 0 73 12881.0000 12595.3448 2.22% - 1s 0 0 12595.8777 0 68 12881.0000 12595.8777 2.21% - 1s 0 0 12596.0035 0 74 12881.0000 12596.0035 2.21% - 1s 0 0 12596.2579 0 73 12881.0000 12596.2579 2.21% - 1s 0 0 12596.4491 0 67 12881.0000 12596.4491 2.21% - 1s 0 0 12596.4621 0 74 12881.0000 12596.4621 2.21% - 1s 0 0 12596.8531 0 77 12881.0000 12596.8531 2.21% - 2s 0 0 12596.9863 0 74 12881.0000 12596.9863 2.20% - 2s 0 0 12597.0918 0 77 12881.0000 12597.0918 2.20% - 2s 0 0 12597.4891 0 76 12881.0000 12597.4891 2.20% - 2s 0 0 12597.7371 0 77 12881.0000 12597.7371 2.20% - 2s 0 0 12598.1892 0 76 12881.0000 12598.1892 2.20% - 2s 0 0 12598.5940 0 76 12881.0000 12598.5940 2.19% - 2s 0 0 12598.9206 0 73 12881.0000 12598.9206 2.19% - 2s 0 0 12598.9314 0 77 12881.0000 12598.9314 2.19% - 2s 0 2 12599.6581 0 77 12881.0000 12599.6581 2.18% - 3s * 316 130 21 12877.000000 12676.5000 1.56% 7.6 4s 595 227 12732.9000 6 29 12877.0000 12706.7500 1.32% 7.2 5s 2007 48 12841.0000 31 32 12877.0000 12834.5000 0.33% 7.1 10s Cutting planes: Gomory: 1 Zero half: 13 Mod-K: 1 Explored 2071 nodes (15034 simplex iterations) in 10.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287700000000e+04, best bound 1.287700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 16), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 16), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 845 rows, 1128 columns and 208298 nonzeros Presolve time: 0.12s Presolved: 845 rows, 1128 columns, 208298 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 0s 0 0 12586.8605 0 54 12902.0000 12586.8605 2.44% - 1s 0 0 12587.1105 0 62 12902.0000 12587.1105 2.44% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9283 0 61 12902.0000 12589.9283 2.42% - 1s 0 0 12590.1390 0 63 12902.0000 12590.1390 2.42% - 1s 0 0 12591.1744 0 58 12902.0000 12591.1744 2.41% - 1s 0 0 12591.3061 0 63 12902.0000 12591.3061 2.41% - 1s 0 0 12591.4115 0 61 12902.0000 12591.4115 2.41% - 1s 0 0 12591.5365 0 66 12902.0000 12591.5365 2.41% - 1s 0 0 12592.0625 0 65 12902.0000 12592.0625 2.40% - 1s 0 0 12592.5062 0 67 12902.0000 12592.5062 2.40% - 1s 0 0 12592.7963 0 67 12902.0000 12592.7963 2.40% - 1s 0 0 12593.1798 0 71 12902.0000 12593.1798 2.39% - 1s 0 0 12593.5449 0 68 12902.0000 12593.5449 2.39% - 1s 0 0 12593.8514 0 75 12902.0000 12593.8514 2.39% - 1s 0 0 12593.9328 0 71 12902.0000 12593.9328 2.39% - 1s 0 0 12594.1544 0 72 12902.0000 12594.1544 2.39% - 1s 0 0 12595.1540 0 69 12902.0000 12595.1540 2.38% - 1s 0 0 12595.1626 0 69 12902.0000 12595.1626 2.38% - 1s 0 0 12595.1992 0 71 12902.0000 12595.1992 2.38% - 1s 0 0 12595.5294 0 71 12902.0000 12595.5294 2.38% - 1s 0 0 12595.6516 0 71 12902.0000 12595.6516 2.37% - 1s 0 0 12595.6889 0 71 12902.0000 12595.6889 2.37% - 1s 0 0 12595.7203 0 71 12902.0000 12595.7203 2.37% - 1s 0 0 12595.8047 0 74 12902.0000 12595.8047 2.37% - 1s 0 0 12595.9536 0 74 12902.0000 12595.9536 2.37% - 2s 0 0 12596.5797 0 72 12902.0000 12596.5797 2.37% - 2s 0 0 12596.7448 0 75 12902.0000 12596.7448 2.37% - 2s 0 0 12596.8158 0 74 12902.0000 12596.8158 2.37% - 2s 0 0 12596.9184 0 73 12902.0000 12596.9184 2.36% - 2s 0 0 12596.9184 0 73 12902.0000 12596.9184 2.36% - 2s 0 2 12597.1710 0 73 12902.0000 12597.1710 2.36% - 3s * 180 96 11 12888.000000 12654.7647 1.81% 7.4 3s * 204 106 24 12884.000000 12664.3333 1.70% 7.3 4s * 318 151 26 12880.000000 12688.0000 1.49% 6.7 4s * 489 201 17 12878.000000 12709.5714 1.31% 6.8 4s * 529 208 9 12877.000000 12711.0000 1.29% 6.8 4s 701 235 12809.3333 15 58 12877.0000 12726.4000 1.17% 7.0 5s Cutting planes: Gomory: 2 Zero half: 11 Explored 2342 nodes (15868 simplex iterations) in 9.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287700000000e+04, best bound 1.287700000000e+04, gap 0.0% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (13, 16), (13, 24), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 846 rows, 1128 columns and 208488 nonzeros Presolve time: 0.12s Presolved: 846 rows, 1128 columns, 208488 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 136 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12565.3673 0 58 12902.0000 12565.3673 2.61% - 0s 0 0 12565.3673 0 50 12902.0000 12565.3673 2.61% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 1s 0 0 12586.8605 0 54 12902.0000 12586.8605 2.44% - 1s 0 0 12587.1105 0 62 12902.0000 12587.1105 2.44% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9283 0 61 12902.0000 12589.9283 2.42% - 1s 0 0 12590.1390 0 63 12902.0000 12590.1390 2.42% - 1s 0 0 12591.2192 0 58 12902.0000 12591.2192 2.41% - 1s 0 0 12591.3501 0 63 12902.0000 12591.3501 2.41% - 1s 0 0 12591.4548 0 61 12902.0000 12591.4548 2.41% - 1s 0 0 12591.6231 0 66 12902.0000 12591.6231 2.41% - 1s 0 0 12592.0818 0 65 12902.0000 12592.0818 2.40% - 1s 0 0 12592.4802 0 69 12902.0000 12592.4802 2.40% - 1s 0 0 12592.7158 0 69 12902.0000 12592.7158 2.40% - 1s 0 0 12592.9382 0 66 12902.0000 12592.9382 2.40% - 1s 0 0 12593.5107 0 69 12902.0000 12593.5107 2.39% - 1s 0 0 12593.8022 0 68 12902.0000 12593.8022 2.39% - 1s 0 0 12594.0991 0 66 12902.0000 12594.0991 2.39% - 1s 0 0 12594.2488 0 72 12902.0000 12594.2488 2.39% - 1s 0 0 12594.3397 0 68 12902.0000 12594.3397 2.38% - 1s 0 0 12594.4486 0 76 12902.0000 12594.4486 2.38% - 1s 0 0 12594.4897 0 79 12902.0000 12594.4897 2.38% - 1s 0 2 12594.5214 0 79 12902.0000 12594.5214 2.38% - 2s H 27 14 12881.000000 12621.9630 2.01% 10.1 3s * 29 13 22 12880.000000 12621.9630 2.00% 9.8 3s * 229 92 23 12878.000000 12645.7500 1.80% 7.2 3s H 605 197 12877.000000 12718.6875 1.23% 7.0 4s 606 198 12853.0000 17 58 12877.0000 12718.6875 1.23% 7.0 5s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 1 Explored 2083 nodes (14223 simplex iterations) in 9.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287700000000e+04, best bound 1.287700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 22), (21, 36), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 847 rows, 1128 columns and 208764 nonzeros Presolve time: 0.12s Presolved: 847 rows, 1128 columns, 208764 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12565.2245 2.61% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 0s 0 0 12575.5889 0 50 12902.0000 12575.5889 2.53% - 0s 0 0 12575.5889 0 57 12902.0000 12575.5889 2.53% - 0s 0 0 12586.8533 0 54 12902.0000 12586.8533 2.44% - 1s 0 0 12587.1033 0 62 12902.0000 12587.1033 2.44% - 1s 0 0 12589.6400 0 55 12902.0000 12589.6400 2.42% - 1s 0 0 12589.7800 0 63 12902.0000 12589.7800 2.42% - 1s 0 0 12590.0337 0 67 12902.0000 12590.0337 2.42% - 1s 0 0 12590.9728 0 60 12902.0000 12590.9728 2.41% - 1s 0 0 12591.1428 0 65 12902.0000 12591.1428 2.41% - 1s 0 0 12591.5798 0 65 12902.0000 12591.5798 2.41% - 1s 0 0 12591.8587 0 66 12902.0000 12591.8587 2.40% - 1s 0 0 12592.0475 0 67 12902.0000 12592.0475 2.40% - 1s 0 0 12592.2140 0 65 12902.0000 12592.2140 2.40% - 1s 0 0 12592.3832 0 64 12902.0000 12592.3832 2.40% - 1s 0 0 12592.3937 0 65 12902.0000 12592.3937 2.40% - 1s 0 0 12592.4407 0 72 12902.0000 12592.4407 2.40% - 1s 0 0 12593.2557 0 69 12902.0000 12593.2557 2.39% - 1s 0 0 12593.7043 0 67 12902.0000 12593.7043 2.39% - 1s 0 0 12593.8918 0 71 12902.0000 12593.8918 2.39% - 1s 0 0 12594.0366 0 76 12902.0000 12594.0366 2.39% - 1s 0 0 12594.2218 0 71 12902.0000 12594.2218 2.39% - 1s 0 0 12594.5385 0 74 12902.0000 12594.5385 2.38% - 1s 0 0 12594.8481 0 74 12902.0000 12594.8481 2.38% - 1s 0 0 12595.0658 0 74 12902.0000 12595.0658 2.38% - 1s 0 0 12596.2606 0 69 12902.0000 12596.2606 2.37% - 1s 0 0 12596.6732 0 67 12902.0000 12596.6732 2.37% - 1s 0 0 12597.0632 0 74 12902.0000 12597.0632 2.36% - 1s 0 0 12597.1106 0 78 12902.0000 12597.1106 2.36% - 2s 0 2 12597.4452 0 78 12902.0000 12597.4452 2.36% - 3s * 53 31 20 12901.000000 12611.9667 2.24% 9.0 3s * 116 43 60 12877.000000 12613.8022 2.04% 6.2 3s 601 170 12823.5000 7 57 12877.0000 12705.2000 1.33% 6.7 5s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 1 Explored 2139 nodes (14477 simplex iterations) in 9.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287700000000e+04, best bound 1.287700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 848 rows, 1128 columns and 209040 nonzeros Presolve time: 0.12s Presolved: 848 rows, 1128 columns, 209040 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12565.2245 2.51% - 0s 0 0 12575.5889 0 57 12889.0000 12575.5889 2.43% - 0s 0 0 12575.5889 0 50 12889.0000 12575.5889 2.43% - 0s 0 0 12575.5889 0 57 12889.0000 12575.5889 2.43% - 0s 0 0 12586.8533 0 54 12889.0000 12586.8533 2.34% - 0s 0 0 12587.1033 0 62 12889.0000 12587.1033 2.34% - 1s 0 0 12589.6400 0 55 12889.0000 12589.6400 2.32% - 1s 0 0 12589.7800 0 63 12889.0000 12589.7800 2.32% - 1s 0 0 12590.1155 0 67 12889.0000 12590.1155 2.32% - 1s 0 0 12590.8304 0 62 12889.0000 12590.8304 2.31% - 1s 0 0 12590.9494 0 67 12889.0000 12590.9494 2.31% - 1s 0 0 12591.5928 0 64 12889.0000 12591.5928 2.31% - 1s 0 0 12591.9976 0 67 12889.0000 12591.9976 2.30% - 1s 0 0 12592.4068 0 60 12889.0000 12592.4068 2.30% - 1s 0 0 12592.5359 0 67 12889.0000 12592.5359 2.30% - 1s 0 0 12593.1947 0 66 12889.0000 12593.1947 2.30% - 1s 0 0 12593.4606 0 68 12889.0000 12593.4606 2.29% - 1s 0 0 12593.5709 0 69 12889.0000 12593.5709 2.29% - 1s 0 0 12594.5753 0 71 12889.0000 12594.5753 2.28% - 1s 0 0 12594.6520 0 68 12889.0000 12594.6520 2.28% - 1s 0 0 12594.7718 0 73 12889.0000 12594.7718 2.28% - 1s 0 0 12594.8174 0 77 12889.0000 12594.8174 2.28% - 1s 0 0 12595.2135 0 70 12889.0000 12595.2135 2.28% - 1s 0 0 12595.3222 0 76 12889.0000 12595.3222 2.28% - 1s 0 0 12595.7770 0 70 12889.0000 12595.7770 2.27% - 1s 0 0 12595.8423 0 74 12889.0000 12595.8423 2.27% - 1s 0 0 12596.1133 0 72 12889.0000 12596.1133 2.27% - 1s 0 0 12596.2994 0 67 12889.0000 12596.2994 2.27% - 1s 0 0 12596.3543 0 72 12889.0000 12596.3543 2.27% - 1s 0 0 12598.6341 0 53 12889.0000 12598.6341 2.25% - 1s 0 0 12598.9615 0 67 12889.0000 12598.9615 2.25% - 1s 0 0 12598.9845 0 67 12889.0000 12598.9845 2.25% - 2s 0 0 12598.9845 0 67 12889.0000 12598.9845 2.25% - 2s 0 2 12599.1293 0 67 12889.0000 12599.1293 2.25% - 2s * 24 16 20 12882.000000 12620.0707 2.03% 11.6 3s H 154 83 12879.000000 12655.3333 1.74% 7.0 3s * 248 125 15 12878.000000 12684.2000 1.50% 6.8 3s 601 232 12742.5000 10 57 12878.0000 12708.5000 1.32% 6.6 5s * 1075 222 23 12877.000000 12713.7500 1.27% 7.2 7s Cutting planes: Gomory: 1 Zero half: 10 Explored 2177 nodes (14764 simplex iterations) in 9.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287700000000e+04, best bound 1.287700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 33), (16, 40), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 849 rows, 1128 columns and 209340 nonzeros Presolve time: 0.12s Presolved: 849 rows, 1128 columns, 209340 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12909.000000 12565.2245 2.66% - 0s 0 0 12575.5889 0 57 12909.0000 12575.5889 2.58% - 0s 0 0 12575.5889 0 50 12909.0000 12575.5889 2.58% - 0s 0 0 12575.5889 0 57 12909.0000 12575.5889 2.58% - 0s 0 0 12584.1818 0 47 12909.0000 12584.1818 2.52% - 1s 0 0 12584.3636 0 55 12909.0000 12584.3636 2.51% - 1s 0 0 12584.6119 0 52 12909.0000 12584.6119 2.51% - 1s 0 0 12584.8333 0 61 12909.0000 12584.8333 2.51% - 1s 0 0 12587.6270 0 53 12909.0000 12587.6270 2.49% - 1s 0 0 12587.7411 0 61 12909.0000 12587.7411 2.49% - 1s 0 0 12587.9841 0 56 12909.0000 12587.9841 2.49% - 1s 0 0 12588.1667 0 64 12909.0000 12588.1667 2.49% - 1s 0 0 12589.2103 0 58 12909.0000 12589.2103 2.48% - 1s 0 0 12589.3624 0 63 12909.0000 12589.3624 2.48% - 1s 0 0 12589.4207 0 66 12909.0000 12589.4207 2.48% - 1s 0 0 12590.0186 0 60 12909.0000 12590.0186 2.47% - 1s 0 0 12590.2420 0 65 12909.0000 12590.2420 2.47% - 1s 0 0 12590.5426 0 65 12909.0000 12590.5426 2.47% - 1s 0 0 12590.6902 0 66 12909.0000 12590.6902 2.47% - 1s 0 0 12591.1607 0 62 12909.0000 12591.1607 2.46% - 1s 0 0 12591.9844 0 59 12909.0000 12591.9844 2.46% - 1s 0 0 12592.2353 0 67 12909.0000 12592.2353 2.45% - 1s 0 0 12593.6380 0 60 12909.0000 12593.6380 2.44% - 1s 0 0 12593.8693 0 68 12909.0000 12593.8693 2.44% - 1s 0 0 12594.6260 0 68 12909.0000 12594.6260 2.44% - 1s 0 0 12595.1951 0 71 12909.0000 12595.1951 2.43% - 1s 0 0 12595.3190 0 78 12909.0000 12595.3190 2.43% - 1s 0 0 12595.9165 0 65 12909.0000 12595.9165 2.43% - 2s 0 0 12595.9842 0 72 12909.0000 12595.9842 2.42% - 2s 0 0 12596.1507 0 66 12909.0000 12596.1507 2.42% - 2s 0 0 12596.2055 0 73 12909.0000 12596.2055 2.42% - 2s 0 0 12596.3883 0 72 12909.0000 12596.3883 2.42% - 2s 0 0 12596.5372 0 65 12909.0000 12596.5372 2.42% - 2s 0 0 12596.6508 0 73 12909.0000 12596.6508 2.42% - 2s 0 0 12596.6697 0 73 12909.0000 12596.6697 2.42% - 2s 0 0 12596.8000 0 72 12909.0000 12596.8000 2.42% - 2s 0 0 12596.9810 0 71 12909.0000 12596.9810 2.42% - 2s 0 0 12597.1040 0 72 12909.0000 12597.1040 2.42% - 2s 0 2 12597.2283 0 72 12909.0000 12597.2283 2.42% - 3s * 92 44 32 12899.000000 12622.0000 2.15% 8.1 4s H 96 42 12896.000000 12627.6600 2.08% 7.9 4s * 136 66 10 12894.000000 12632.8261 2.03% 7.9 4s * 148 67 9 12882.000000 12635.9286 1.91% 8.0 4s * 202 93 10 12879.000000 12648.4682 1.79% 8.4 4s * 333 142 13 12878.000000 12668.4286 1.63% 8.1 4s 433 164 12861.5000 14 12 12878.0000 12688.5000 1.47% 8.1 5s 1823 173 12810.3333 22 19 12878.0000 12789.0000 0.69% 7.6 10s Cutting planes: Gomory: 1 Zero half: 13 Explored 2285 nodes (16718 simplex iterations) in 10.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287800000000e+04, best bound 1.287800000000e+04, gap 0.0% adding cut for [(33, 46), (4, 40), (38, 40), (7, 37), (7, 28), (12, 33), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 850 rows, 1128 columns and 209511 nonzeros Presolve time: 0.12s Presolved: 850 rows, 1128 columns, 209511 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12905.000000 12565.2245 2.63% - 0s 0 0 12575.5889 0 57 12905.0000 12575.5889 2.55% - 0s 0 0 12575.5889 0 50 12905.0000 12575.5889 2.55% - 0s 0 0 12575.5889 0 57 12905.0000 12575.5889 2.55% - 0s 0 0 12584.1818 0 47 12905.0000 12584.1818 2.49% - 1s 0 0 12584.3636 0 55 12905.0000 12584.3636 2.48% - 1s 0 0 12584.6119 0 52 12905.0000 12584.6119 2.48% - 1s 0 0 12584.8333 0 61 12905.0000 12584.8333 2.48% - 1s 0 0 12586.1058 0 54 12905.0000 12586.1058 2.47% - 1s 0 0 12586.2124 0 59 12905.0000 12586.2124 2.47% - 1s 0 0 12586.6766 0 55 12905.0000 12586.6766 2.47% - 1s 0 0 12586.8930 0 63 12905.0000 12586.8930 2.46% - 1s 0 0 12587.7576 0 51 12905.0000 12587.7576 2.46% - 1s 0 0 12588.0761 0 64 12905.0000 12588.0761 2.46% - 1s 0 0 12588.3932 0 61 12905.0000 12588.3932 2.45% - 1s 0 0 12588.9348 0 65 12905.0000 12588.9348 2.45% - 1s 0 0 12589.5290 0 68 12905.0000 12589.5290 2.44% - 1s 0 0 12589.6451 0 67 12905.0000 12589.6451 2.44% - 1s 0 0 12589.7255 0 71 12905.0000 12589.7255 2.44% - 1s 0 0 12591.7770 0 67 12905.0000 12591.7770 2.43% - 1s 0 0 12592.4374 0 72 12905.0000 12592.4374 2.42% - 1s 0 0 12592.6127 0 74 12905.0000 12592.6127 2.42% - 1s 0 0 12592.7893 0 75 12905.0000 12592.7893 2.42% - 1s 0 0 12593.4054 0 69 12905.0000 12593.4054 2.41% - 1s 0 0 12593.4213 0 75 12905.0000 12593.4213 2.41% - 1s 0 0 12594.2160 0 80 12905.0000 12594.2160 2.41% - 1s 0 0 12594.9070 0 73 12905.0000 12594.9070 2.40% - 1s H 0 0 12897.000000 12594.9070 2.34% - 2s 0 2 12595.1190 0 73 12897.0000 12595.1190 2.34% - 3s * 128 79 33 12895.000000 12652.0491 1.88% 6.5 3s * 177 86 9 12882.000000 12662.8333 1.70% 7.4 3s * 189 90 19 12880.000000 12662.8333 1.69% 7.1 3s * 407 162 19 12878.000000 12708.0000 1.32% 6.9 4s 601 213 12759.5000 7 57 12878.0000 12718.2500 1.24% 6.5 5s Cutting planes: Gomory: 1 Zero half: 10 Explored 2387 nodes (15625 simplex iterations) in 9.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287800000000e+04, best bound 1.287700000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 16), (7, 37), (7, 28), (8, 19), (8, 28), (16, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 851 rows, 1128 columns and 209721 nonzeros Presolve time: 0.12s Presolved: 851 rows, 1128 columns, 209721 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12890.000000 12565.2245 2.52% - 0s 0 0 12575.5889 0 57 12890.0000 12575.5889 2.44% - 0s 0 0 12575.5889 0 50 12890.0000 12575.5889 2.44% - 0s 0 0 12575.5889 0 57 12890.0000 12575.5889 2.44% - 0s 0 0 12584.1818 0 47 12890.0000 12584.1818 2.37% - 0s 0 0 12584.3636 0 55 12890.0000 12584.3636 2.37% - 1s 0 0 12584.6148 0 62 12890.0000 12584.6148 2.37% - 1s 0 0 12587.6270 0 53 12890.0000 12587.6270 2.35% - 1s 0 0 12587.7411 0 61 12890.0000 12587.7411 2.34% - 1s 0 0 12587.9841 0 56 12890.0000 12587.9841 2.34% - 1s 0 0 12588.0982 0 64 12890.0000 12588.0982 2.34% - 1s 0 0 12589.2103 0 58 12890.0000 12589.2103 2.33% - 1s 0 0 12589.3624 0 63 12890.0000 12589.3624 2.33% - 1s 0 0 12589.4147 0 62 12890.0000 12589.4147 2.33% - 1s 0 0 12589.5148 0 66 12890.0000 12589.5148 2.33% - 1s 0 0 12590.0243 0 61 12890.0000 12590.0243 2.33% - 1s 0 0 12590.2848 0 65 12890.0000 12590.2848 2.33% - 1s 0 0 12590.4542 0 66 12890.0000 12590.4542 2.32% - 1s 0 0 12591.7443 0 59 12890.0000 12591.7443 2.31% - 1s 0 0 12592.0150 0 59 12890.0000 12592.0150 2.31% - 1s 0 0 12592.3676 0 64 12890.0000 12592.3676 2.31% - 1s 0 0 12592.4677 0 66 12890.0000 12592.4677 2.31% - 1s 0 0 12592.5216 0 69 12890.0000 12592.5216 2.31% - 1s 0 0 12593.9092 0 71 12890.0000 12593.9092 2.30% - 1s 0 0 12594.0235 0 72 12890.0000 12594.0235 2.30% - 1s 0 0 12594.1225 0 75 12890.0000 12594.1225 2.30% - 1s 0 2 12594.1912 0 75 12890.0000 12594.1912 2.29% - 2s * 110 55 17 12884.000000 12635.9286 1.93% 6.6 3s * 146 70 7 12880.000000 12642.2976 1.85% 7.0 3s 605 163 12840.5000 26 57 12880.0000 12720.0000 1.24% 7.6 5s * 1175 190 26 12879.000000 12723.9091 1.20% 7.8 7s * 1809 194 31 12878.000000 12781.5000 0.75% 7.5 8s Cutting planes: Gomory: 1 Zero half: 10 Explored 2316 nodes (16989 simplex iterations) in 9.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287800000000e+04, best bound 1.287700000000e+04, gap 0.0078% adding cut for [(4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 852 rows, 1128 columns and 209892 nonzeros Presolve time: 0.12s Presolved: 852 rows, 1128 columns, 209892 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12583.7576 0 55 12923.0000 12583.7576 2.63% - 0s 0 0 12583.9107 0 54 12923.0000 12583.9107 2.62% - 1s 0 0 12584.1379 0 62 12923.0000 12584.1379 2.62% - 1s 0 0 12585.4365 0 62 12923.0000 12585.4365 2.61% - 1s 0 0 12585.9750 0 63 12923.0000 12585.9750 2.61% - 1s 0 0 12586.4527 0 66 12923.0000 12586.4527 2.60% - 1s 0 0 12587.4444 0 57 12923.0000 12587.4444 2.60% - 1s 0 0 12587.5988 0 63 12923.0000 12587.5988 2.60% - 1s 0 0 12587.9616 0 59 12923.0000 12587.9616 2.59% - 1s 0 0 12588.2189 0 67 12923.0000 12588.2189 2.59% - 1s 0 0 12590.8571 0 46 12923.0000 12590.8571 2.57% - 1s 0 0 12591.3452 0 53 12923.0000 12591.3452 2.57% - 1s 0 0 12591.6562 0 60 12923.0000 12591.6562 2.56% - 1s 0 0 12592.0000 0 51 12923.0000 12592.0000 2.56% - 1s 0 0 12592.1388 0 57 12923.0000 12592.1388 2.56% - 1s 0 0 12592.4069 0 62 12923.0000 12592.4069 2.56% - 1s 0 0 12592.5710 0 66 12923.0000 12592.5710 2.56% - 1s 0 0 12592.6981 0 62 12923.0000 12592.6981 2.56% - 1s 0 0 12592.7379 0 67 12923.0000 12592.7379 2.56% - 1s 0 0 12592.7569 0 69 12923.0000 12592.7569 2.56% - 1s 0 0 12593.4439 0 70 12923.0000 12593.4439 2.55% - 1s 0 0 12593.8552 0 64 12923.0000 12593.8552 2.55% - 1s 0 0 12593.9168 0 75 12923.0000 12593.9168 2.55% - 1s 0 0 12594.1281 0 69 12923.0000 12594.1281 2.54% - 1s 0 0 12594.1915 0 73 12923.0000 12594.1915 2.54% - 1s 0 0 12595.2804 0 66 12923.0000 12595.2804 2.54% - 1s 0 0 12595.6918 0 72 12923.0000 12595.6918 2.53% - 2s 0 0 12596.3066 0 70 12923.0000 12596.3066 2.53% - 2s 0 0 12596.4422 0 75 12923.0000 12596.4422 2.53% - 2s 0 0 12596.4705 0 73 12923.0000 12596.4705 2.53% - 2s 0 0 12596.5700 0 74 12923.0000 12596.5700 2.53% - 2s 0 0 12596.6080 0 74 12923.0000 12596.6080 2.53% - 2s 0 0 12596.6208 0 76 12923.0000 12596.6208 2.53% - 2s 0 0 12596.8732 0 74 12923.0000 12596.8732 2.52% - 2s 0 0 12596.9748 0 70 12923.0000 12596.9748 2.52% - 2s 0 0 12597.0850 0 71 12923.0000 12597.0850 2.52% - 2s 0 0 12597.3161 0 75 12923.0000 12597.3161 2.52% - 2s 0 0 12597.6238 0 76 12923.0000 12597.6238 2.52% - 2s 0 0 12597.7064 0 71 12923.0000 12597.7064 2.52% - 2s H 0 0 12915.000000 12597.7064 2.46% - 3s H 0 0 12906.000000 12597.7064 2.39% - 3s 0 2 12598.2599 0 71 12906.0000 12598.2599 2.38% - 3s * 75 24 72 12895.000000 12619.9492 2.13% 4.5 4s * 201 93 19 12881.000000 12648.5625 1.80% 5.8 4s * 260 116 13 12879.000000 12653.2500 1.75% 5.5 4s * 272 122 21 12878.000000 12653.2500 1.75% 5.5 4s 394 159 12858.8333 11 14 12878.0000 12678.2059 1.55% 5.9 5s 1966 108 12869.5000 19 8 12878.0000 12828.0000 0.39% 6.5 10s Cutting planes: Gomory: 1 Zero half: 12 Explored 2115 nodes (14019 simplex iterations) in 10.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287800000000e+04, best bound 1.287800000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (10, 40), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 853 rows, 1128 columns and 210145 nonzeros Presolve time: 0.12s Presolved: 853 rows, 1128 columns, 210145 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12565.2245 2.51% - 0s 0 0 12575.5889 0 57 12889.0000 12575.5889 2.43% - 0s 0 0 12575.5889 0 50 12889.0000 12575.5889 2.43% - 0s 0 0 12575.5889 0 57 12889.0000 12575.5889 2.43% - 0s 0 0 12584.1818 0 47 12889.0000 12584.1818 2.36% - 0s 0 0 12584.3636 0 55 12889.0000 12584.3636 2.36% - 1s 0 0 12584.6028 0 60 12889.0000 12584.6028 2.36% - 1s 0 0 12584.7914 0 64 12889.0000 12584.7914 2.36% - 1s 0 0 12590.1719 0 44 12889.0000 12590.1719 2.32% - 1s 0 0 12590.3899 0 57 12889.0000 12590.3899 2.32% - 1s 0 0 12590.4001 0 64 12889.0000 12590.4001 2.32% - 1s 0 0 12591.2727 0 50 12889.0000 12591.2727 2.31% - 1s 0 0 12591.5065 0 63 12889.0000 12591.5065 2.31% - 1s 0 0 12591.7273 0 57 12889.0000 12591.7273 2.31% - 1s 0 0 12591.7273 0 52 12889.0000 12591.7273 2.31% - 1s 0 0 12591.8930 0 67 12889.0000 12591.8930 2.31% - 1s 0 0 12593.6942 0 56 12889.0000 12593.6942 2.29% - 1s 0 0 12594.4074 0 56 12889.0000 12594.4074 2.29% - 1s 0 0 12594.5825 0 63 12889.0000 12594.5825 2.28% - 1s 0 0 12594.8047 0 66 12889.0000 12594.8047 2.28% - 1s 0 0 12594.8200 0 61 12889.0000 12594.8200 2.28% - 1s 0 0 12594.8413 0 63 12889.0000 12594.8413 2.28% - 1s 0 0 12594.8461 0 68 12889.0000 12594.8461 2.28% - 1s 0 0 12594.8644 0 74 12889.0000 12594.8644 2.28% - 1s 0 0 12595.0843 0 70 12889.0000 12595.0843 2.28% - 1s 0 0 12595.2687 0 61 12889.0000 12595.2687 2.28% - 1s 0 0 12595.3879 0 66 12889.0000 12595.3879 2.28% - 1s 0 0 12595.4095 0 68 12889.0000 12595.4095 2.28% - 1s 0 0 12595.4445 0 68 12889.0000 12595.4445 2.28% - 1s 0 0 12595.4738 0 62 12889.0000 12595.4738 2.28% - 1s 0 0 12595.4853 0 71 12889.0000 12595.4853 2.28% - 1s 0 0 12595.4978 0 65 12889.0000 12595.4978 2.28% - 2s 0 0 12595.5019 0 70 12889.0000 12595.5019 2.28% - 2s 0 2 12595.7600 0 70 12889.0000 12595.7600 2.28% - 3s * 208 104 26 12888.000000 12639.7837 1.93% 5.2 4s * 370 162 18 12886.000000 12676.6000 1.63% 5.9 4s * 422 179 20 12880.000000 12686.0300 1.51% 5.9 4s * 438 178 11 12879.000000 12688.0000 1.48% 5.9 4s 601 214 12775.0000 9 57 12879.0000 12710.8333 1.31% 6.1 5s * 1907 117 36 12878.000000 12817.0000 0.47% 6.4 9s Cutting planes: Gomory: 1 Zero half: 10 Mod-K: 1 Explored 2100 nodes (13493 simplex iterations) in 9.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287800000000e+04, best bound 1.287700000000e+04, gap 0.0078% adding cut for [(4, 10), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 854 rows, 1128 columns and 210298 nonzeros Presolve time: 0.12s Presolved: 854 rows, 1128 columns, 210298 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12583.7576 0 55 12923.0000 12583.7576 2.63% - 1s 0 0 12583.9107 0 54 12923.0000 12583.9107 2.62% - 1s 0 0 12584.1379 0 62 12923.0000 12584.1379 2.62% - 1s 0 0 12585.4365 0 62 12923.0000 12585.4365 2.61% - 1s 0 0 12585.9750 0 63 12923.0000 12585.9750 2.61% - 1s 0 0 12586.4527 0 66 12923.0000 12586.4527 2.60% - 1s 0 0 12587.4444 0 57 12923.0000 12587.4444 2.60% - 1s 0 0 12587.5988 0 63 12923.0000 12587.5988 2.60% - 1s 0 0 12587.9616 0 59 12923.0000 12587.9616 2.59% - 1s 0 0 12588.2189 0 67 12923.0000 12588.2189 2.59% - 1s 0 0 12590.8571 0 46 12923.0000 12590.8571 2.57% - 1s 0 0 12591.3452 0 53 12923.0000 12591.3452 2.57% - 1s 0 0 12591.6563 0 60 12923.0000 12591.6563 2.56% - 1s 0 0 12592.0000 0 51 12923.0000 12592.0000 2.56% - 1s 0 0 12592.1643 0 57 12923.0000 12592.1643 2.56% - 1s 0 0 12592.4168 0 62 12923.0000 12592.4168 2.56% - 1s 0 0 12592.5715 0 62 12923.0000 12592.5715 2.56% - 1s 0 0 12592.6981 0 62 12923.0000 12592.6981 2.56% - 1s 0 0 12592.7590 0 69 12923.0000 12592.7590 2.56% - 1s 0 0 12593.1896 0 63 12923.0000 12593.1896 2.55% - 1s 0 0 12593.2526 0 69 12923.0000 12593.2526 2.55% - 1s 0 0 12593.5544 0 71 12923.0000 12593.5544 2.55% - 1s 0 0 12594.1422 0 70 12923.0000 12594.1422 2.54% - 1s 0 0 12594.4406 0 74 12923.0000 12594.4406 2.54% - 1s 0 0 12595.2298 0 67 12923.0000 12595.2298 2.54% - 1s 0 0 12595.8664 0 70 12923.0000 12595.8664 2.53% - 2s 0 0 12595.9048 0 62 12923.0000 12595.9048 2.53% - 2s 0 0 12595.9979 0 72 12923.0000 12595.9979 2.53% - 2s 0 0 12596.4418 0 72 12923.0000 12596.4418 2.53% - 2s 0 0 12596.6071 0 71 12923.0000 12596.6071 2.53% - 2s 0 0 12597.0246 0 76 12923.0000 12597.0246 2.52% - 2s 0 0 12597.0745 0 74 12923.0000 12597.0745 2.52% - 2s 0 0 12597.3646 0 71 12923.0000 12597.3646 2.52% - 2s H 0 0 12915.000000 12597.3646 2.46% - 3s 0 2 12597.4293 0 71 12915.0000 12597.4293 2.46% - 3s * 89 22 85 12905.000000 12619.6089 2.21% 3.8 3s * 129 51 39 12900.000000 12619.7761 2.17% 4.1 3s * 186 85 23 12880.000000 12639.2500 1.87% 5.8 4s 593 190 12731.5000 2 26 12880.0000 12718.0000 1.26% 6.2 5s * 1037 218 31 12879.000000 12718.0000 1.25% 6.7 7s 2256 33 12856.7143 18 40 12879.0000 12851.0000 0.22% 6.6 10s Cutting planes: Gomory: 1 Zero half: 12 Explored 2300 nodes (15598 simplex iterations) in 10.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287900000000e+04, best bound 1.287900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 855 rows, 1128 columns and 210551 nonzeros Presolve time: 0.12s Presolved: 855 rows, 1128 columns, 210551 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12565.2245 2.45% - 0s 0 0 12575.5889 0 57 12881.0000 12575.5889 2.37% - 0s 0 0 12575.5889 0 50 12881.0000 12575.5889 2.37% - 0s 0 0 12575.5889 0 57 12881.0000 12575.5889 2.37% - 0s 0 0 12584.1818 0 47 12881.0000 12584.1818 2.30% - 0s 0 0 12584.3636 0 55 12881.0000 12584.3636 2.30% - 1s 0 0 12584.6148 0 62 12881.0000 12584.6148 2.30% - 1s 0 0 12586.1058 0 54 12881.0000 12586.1058 2.29% - 1s 0 0 12586.3098 0 60 12881.0000 12586.3098 2.29% - 1s 0 0 12586.8567 0 55 12881.0000 12586.8567 2.28% - 1s 0 0 12586.9673 0 63 12881.0000 12586.9673 2.28% - 1s 0 0 12588.7831 0 58 12881.0000 12588.7831 2.27% - 1s 0 0 12589.1065 0 64 12881.0000 12589.1065 2.27% - 1s 0 0 12589.2651 0 67 12881.0000 12589.2651 2.26% - 1s 0 0 12589.5248 0 66 12881.0000 12589.5248 2.26% - 1s 0 0 12589.6996 0 68 12881.0000 12589.6996 2.26% - 1s 0 0 12589.9483 0 69 12881.0000 12589.9483 2.26% - 1s 0 0 12590.8659 0 67 12881.0000 12590.8659 2.25% - 1s 0 0 12591.2609 0 60 12881.0000 12591.2609 2.25% - 1s 0 0 12591.8771 0 70 12881.0000 12591.8771 2.24% - 1s 0 0 12593.4078 0 70 12881.0000 12593.4078 2.23% - 1s 0 0 12593.6443 0 73 12881.0000 12593.6443 2.23% - 1s 0 0 12593.7198 0 71 12881.0000 12593.7198 2.23% - 1s 0 0 12593.8896 0 74 12881.0000 12593.8896 2.23% - 1s 0 0 12593.9753 0 76 12881.0000 12593.9753 2.23% - 1s 0 0 12595.9600 0 55 12881.0000 12595.9600 2.21% - 1s 0 0 12596.1667 0 40 12881.0000 12596.1667 2.21% - 1s 0 0 12596.2613 0 60 12881.0000 12596.2613 2.21% - 1s 0 0 12596.2619 0 61 12881.0000 12596.2619 2.21% - 1s 0 2 12596.2917 0 61 12881.0000 12596.2917 2.21% - 2s * 195 92 14 12880.000000 12649.3860 1.79% 6.8 3s * 551 200 14 12879.000000 12695.1429 1.43% 6.5 4s 701 235 12840.0000 17 57 12879.0000 12707.6667 1.33% 6.7 5s Cutting planes: Gomory: 1 Zero half: 10 Explored 2792 nodes (17646 simplex iterations) in 9.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287900000000e+04, best bound 1.287900000000e+04, gap 0.0% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 856 rows, 1128 columns and 210761 nonzeros Presolve time: 0.12s Presolved: 856 rows, 1128 columns, 210761 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s H 0 0 12902.000000 12575.5889 2.53% - 1s 0 0 12583.7576 0 55 12902.0000 12583.7576 2.47% - 1s 0 0 12583.9915 0 53 12902.0000 12583.9915 2.46% - 1s 0 0 12584.1493 0 60 12902.0000 12584.1493 2.46% - 1s 0 0 12584.3529 0 62 12902.0000 12584.3529 2.46% - 1s 0 0 12587.6270 0 53 12902.0000 12587.6270 2.44% - 1s 0 0 12587.8095 0 61 12902.0000 12587.8095 2.44% - 1s 0 0 12588.0079 0 64 12902.0000 12588.0079 2.43% - 1s 0 0 12590.1612 0 57 12902.0000 12590.1612 2.42% - 1s 0 0 12590.3282 0 57 12902.0000 12590.3282 2.42% - 1s 0 0 12590.3384 0 64 12902.0000 12590.3384 2.42% - 1s 0 0 12590.3874 0 63 12902.0000 12590.3874 2.42% - 1s 0 0 12590.4074 0 61 12902.0000 12590.4074 2.42% - 1s 0 0 12590.4256 0 59 12902.0000 12590.4256 2.41% - 1s 0 0 12590.4478 0 67 12902.0000 12590.4478 2.41% - 1s 0 0 12590.6586 0 67 12902.0000 12590.6586 2.41% - 1s 0 0 12591.2293 0 64 12902.0000 12591.2293 2.41% - 1s 0 0 12591.8788 0 53 12902.0000 12591.8788 2.40% - 1s 0 0 12592.2187 0 58 12902.0000 12592.2187 2.40% - 1s 0 0 12592.3869 0 65 12902.0000 12592.3869 2.40% - 1s 0 0 12592.7765 0 65 12902.0000 12592.7765 2.40% - 1s 0 0 12593.0656 0 65 12902.0000 12593.0656 2.39% - 1s 0 0 12593.1580 0 67 12902.0000 12593.1580 2.39% - 1s 0 0 12593.4014 0 74 12902.0000 12593.4014 2.39% - 1s 0 0 12593.6831 0 67 12902.0000 12593.6831 2.39% - 1s 0 0 12593.7748 0 70 12902.0000 12593.7748 2.39% - 1s 0 0 12593.8467 0 72 12902.0000 12593.8467 2.39% - 2s 0 0 12594.0843 0 71 12902.0000 12594.0843 2.39% - 2s 0 0 12594.1989 0 71 12902.0000 12594.1989 2.39% - 2s 0 0 12595.0800 0 79 12902.0000 12595.0800 2.38% - 2s 0 0 12595.6028 0 76 12902.0000 12595.6028 2.37% - 2s 0 0 12597.7071 0 73 12902.0000 12597.7071 2.36% - 2s 0 0 12597.9438 0 71 12902.0000 12597.9438 2.36% - 2s 0 0 12597.9438 0 71 12902.0000 12597.9438 2.36% - 2s 0 2 12598.3842 0 71 12902.0000 12598.3842 2.35% - 3s H 54 28 12881.000000 12642.3306 1.85% 9.0 3s * 195 89 18 12880.000000 12671.7500 1.62% 8.0 4s * 561 159 14 12879.000000 12719.7229 1.24% 7.3 4s 649 174 12848.4000 11 23 12879.0000 12725.6667 1.19% 7.5 5s 2058 103 cutoff 29 12879.0000 12822.1111 0.44% 7.1 10s Cutting planes: Gomory: 1 Zero half: 13 Explored 2228 nodes (16131 simplex iterations) in 10.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287900000000e+04, best bound 1.287900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 857 rows, 1128 columns and 211014 nonzeros Presolve time: 0.12s Presolved: 857 rows, 1128 columns, 211014 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12907.000000 12565.2245 2.65% - 0s 0 0 12575.5889 0 57 12907.0000 12575.5889 2.57% - 0s 0 0 12575.5889 0 50 12907.0000 12575.5889 2.57% - 0s 0 0 12575.5889 0 57 12907.0000 12575.5889 2.57% - 0s 0 0 12584.1818 0 47 12907.0000 12584.1818 2.50% - 1s 0 0 12584.3636 0 55 12907.0000 12584.3636 2.50% - 1s 0 0 12584.6148 0 62 12907.0000 12584.6148 2.50% - 1s 0 0 12586.1058 0 54 12907.0000 12586.1058 2.49% - 1s 0 0 12586.2884 0 62 12907.0000 12586.2884 2.48% - 1s 0 0 12586.7027 0 65 12907.0000 12586.7027 2.48% - 1s 0 0 12587.3836 0 58 12907.0000 12587.3836 2.48% - 1s 0 0 12587.6447 0 64 12907.0000 12587.6447 2.47% - 1s 0 0 12588.0519 0 62 12907.0000 12588.0519 2.47% - 1s 0 0 12588.2408 0 65 12907.0000 12588.2408 2.47% - 1s 0 0 12588.7347 0 65 12907.0000 12588.7347 2.47% - 1s 0 0 12589.0618 0 65 12907.0000 12589.0618 2.46% - 1s 0 0 12589.3459 0 67 12907.0000 12589.3459 2.46% - 1s 0 0 12589.8589 0 66 12907.0000 12589.8589 2.46% - 1s 0 0 12590.4808 0 69 12907.0000 12590.4808 2.45% - 1s 0 0 12591.7392 0 61 12907.0000 12591.7392 2.44% - 1s 0 0 12592.6210 0 64 12907.0000 12592.6210 2.44% - 1s 0 0 12592.6936 0 69 12907.0000 12592.6936 2.44% - 1s 0 0 12592.8326 0 72 12907.0000 12592.8326 2.43% - 1s 0 0 12592.9320 0 72 12907.0000 12592.9320 2.43% - 1s 0 0 12592.9598 0 77 12907.0000 12592.9598 2.43% - 1s 0 0 12593.0733 0 68 12907.0000 12593.0733 2.43% - 1s 0 0 12594.7065 0 69 12907.0000 12594.7065 2.42% - 1s 0 0 12595.2736 0 70 12907.0000 12595.2736 2.42% - 1s 0 0 12595.3839 0 72 12907.0000 12595.3839 2.41% - 1s 0 0 12595.7706 0 76 12907.0000 12595.7706 2.41% - 2s 0 0 12595.9884 0 77 12907.0000 12595.9884 2.41% - 2s 0 0 12596.6976 0 80 12907.0000 12596.6976 2.40% - 2s H 0 0 12897.000000 12596.6976 2.33% - 2s H 0 0 12880.000000 12596.6976 2.20% - 3s 0 2 12596.8482 0 80 12880.0000 12596.8482 2.20% - 3s 612 179 12832.2000 9 28 12880.0000 12713.4286 1.29% 6.9 5s * 1467 136 23 12879.000000 12769.5000 0.85% 7.3 8s Cutting planes: Gomory: 1 Zero half: 14 Explored 2055 nodes (14430 simplex iterations) in 9.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287900000000e+04, best bound 1.287900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 858 rows, 1128 columns and 211245 nonzeros Presolve time: 0.12s Presolved: 858 rows, 1128 columns, 211245 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12583.7576 0 55 12923.0000 12583.7576 2.63% - 1s 0 0 12583.9107 0 54 12923.0000 12583.9107 2.62% - 1s 0 0 12584.1379 0 62 12923.0000 12584.1379 2.62% - 1s 0 0 12585.4365 0 62 12923.0000 12585.4365 2.61% - 1s 0 0 12585.9750 0 63 12923.0000 12585.9750 2.61% - 1s 0 0 12586.4527 0 66 12923.0000 12586.4527 2.60% - 1s 0 0 12587.4444 0 57 12923.0000 12587.4444 2.60% - 1s 0 0 12587.5988 0 63 12923.0000 12587.5988 2.60% - 1s 0 0 12587.9616 0 59 12923.0000 12587.9616 2.59% - 1s 0 0 12588.2189 0 67 12923.0000 12588.2189 2.59% - 1s 0 0 12590.8571 0 46 12923.0000 12590.8571 2.57% - 1s 0 0 12591.3452 0 53 12923.0000 12591.3452 2.57% - 1s 0 0 12591.6563 0 60 12923.0000 12591.6563 2.56% - 1s 0 0 12592.0000 0 51 12923.0000 12592.0000 2.56% - 1s 0 0 12592.1643 0 57 12923.0000 12592.1643 2.56% - 1s 0 0 12592.4168 0 62 12923.0000 12592.4168 2.56% - 1s 0 0 12592.5715 0 62 12923.0000 12592.5715 2.56% - 1s 0 0 12592.6981 0 62 12923.0000 12592.6981 2.56% - 1s 0 0 12592.7528 0 63 12923.0000 12592.7528 2.56% - 1s 0 0 12592.9650 0 66 12923.0000 12592.9650 2.55% - 1s 0 0 12593.3455 0 67 12923.0000 12593.3455 2.55% - 1s 0 0 12593.5008 0 71 12923.0000 12593.5008 2.55% - 1s 0 0 12593.6522 0 71 12923.0000 12593.6522 2.55% - 1s 0 0 12593.9891 0 69 12923.0000 12593.9891 2.55% - 1s 0 0 12594.3028 0 74 12923.0000 12594.3028 2.54% - 1s 0 0 12594.4448 0 73 12923.0000 12594.4448 2.54% - 2s 0 0 12594.5133 0 75 12923.0000 12594.5133 2.54% - 2s 0 0 12595.2655 0 68 12923.0000 12595.2655 2.54% - 2s 0 0 12595.4333 0 66 12923.0000 12595.4333 2.53% - 2s 0 0 12595.5801 0 68 12923.0000 12595.5801 2.53% - 2s 0 0 12595.6113 0 68 12923.0000 12595.6113 2.53% - 2s H 0 0 12906.000000 12595.6113 2.40% - 3s 0 2 12595.7681 0 68 12906.0000 12595.7681 2.40% - 3s * 37 16 32 12891.000000 12617.5000 2.12% 8.5 3s * 57 27 19 12883.000000 12618.6667 2.05% 8.3 3s * 408 156 19 12882.000000 12678.7778 1.58% 6.5 4s * 436 174 29 12880.000000 12681.8889 1.54% 6.4 4s 601 205 12824.2222 14 57 12880.0000 12711.2500 1.31% 6.7 5s * 1868 218 25 12879.000000 12778.5000 0.78% 7.1 9s 2199 162 cutoff 24 12879.0000 12805.0000 0.57% 7.0 10s Cutting planes: Gomory: 1 Zero half: 12 Mod-K: 1 Explored 2512 nodes (17744 simplex iterations) in 10.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.287900000000e+04, best bound 1.287900000000e+04, gap 0.0% adding cut for [(33, 46), (33, 47), (2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 859 rows, 1128 columns and 211455 nonzeros Presolve time: 0.12s Presolved: 859 rows, 1128 columns, 211455 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12565.2245 2.51% - 0s 0 0 12575.5889 0 57 12889.0000 12575.5889 2.43% - 0s 0 0 12575.5889 0 50 12889.0000 12575.5889 2.43% - 0s 0 0 12575.5889 0 57 12889.0000 12575.5889 2.43% - 0s 0 0 12584.1818 0 47 12889.0000 12584.1818 2.36% - 0s 0 0 12584.3636 0 55 12889.0000 12584.3636 2.36% - 1s 0 0 12584.6028 0 60 12889.0000 12584.6028 2.36% - 1s 0 0 12584.7914 0 64 12889.0000 12584.7914 2.36% - 1s 0 0 12590.1719 0 44 12889.0000 12590.1719 2.32% - 1s 0 0 12590.3899 0 57 12889.0000 12590.3899 2.32% - 1s 0 0 12590.4001 0 64 12889.0000 12590.4001 2.32% - 1s 0 0 12591.2727 0 50 12889.0000 12591.2727 2.31% - 1s 0 0 12591.5065 0 63 12889.0000 12591.5065 2.31% - 1s 0 0 12591.7273 0 57 12889.0000 12591.7273 2.31% - 1s 0 0 12591.7273 0 52 12889.0000 12591.7273 2.31% - 1s 0 0 12591.8930 0 67 12889.0000 12591.8930 2.31% - 1s 0 0 12593.6942 0 56 12889.0000 12593.6942 2.29% - 1s 0 0 12594.4074 0 56 12889.0000 12594.4074 2.29% - 1s 0 0 12594.5825 0 63 12889.0000 12594.5825 2.28% - 1s 0 0 12594.8047 0 66 12889.0000 12594.8047 2.28% - 1s 0 0 12594.8169 0 69 12889.0000 12594.8169 2.28% - 1s 0 0 12594.8803 0 68 12889.0000 12594.8803 2.28% - 1s 0 0 12594.9136 0 71 12889.0000 12594.9136 2.28% - 1s 0 0 12594.9164 0 73 12889.0000 12594.9164 2.28% - 1s 0 0 12595.0102 0 71 12889.0000 12595.0102 2.28% - 1s 0 0 12595.3031 0 67 12889.0000 12595.3031 2.28% - 1s 0 0 12595.3261 0 74 12889.0000 12595.3261 2.28% - 1s 0 0 12595.3605 0 65 12889.0000 12595.3605 2.28% - 1s 0 0 12595.4322 0 71 12889.0000 12595.4322 2.28% - 2s 0 0 12595.4650 0 76 12889.0000 12595.4650 2.28% - 2s 0 0 12595.5411 0 70 12889.0000 12595.5411 2.28% - 2s 0 0 12595.5783 0 72 12889.0000 12595.5783 2.28% - 2s 0 0 12595.6692 0 74 12889.0000 12595.6692 2.28% - 2s 0 0 12595.7387 0 79 12889.0000 12595.7387 2.28% - 2s 0 0 12596.4545 0 51 12889.0000 12596.4545 2.27% - 2s 0 0 12596.6786 0 60 12889.0000 12596.6786 2.27% - 2s 0 2 12596.7825 0 60 12889.0000 12596.7825 2.27% - 2s * 79 44 32 12883.000000 12636.6000 1.91% 8.6 3s * 241 112 15 12882.000000 12665.7855 1.68% 7.7 4s * 550 223 21 12881.000000 12699.5000 1.41% 7.1 4s * 630 237 13 12880.000000 12704.6667 1.36% 7.0 4s 801 282 12829.0000 17 57 12880.0000 12716.4286 1.27% 6.7 6s 2190 199 12871.6364 19 27 12880.0000 12792.7143 0.68% 6.9 10s Cutting planes: Gomory: 1 Zero half: 9 Explored 2757 nodes (18886 simplex iterations) in 10.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288000000000e+04, best bound 1.288000000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 860 rows, 1128 columns and 211731 nonzeros Presolve time: 0.12s Presolved: 860 rows, 1128 columns, 211731 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12565.2245 2.46% - 0s 0 0 12575.5889 0 57 12882.0000 12575.5889 2.38% - 0s 0 0 12575.5889 0 50 12882.0000 12575.5889 2.38% - 0s 0 0 12575.5889 0 57 12882.0000 12575.5889 2.38% - 0s 0 0 12583.7576 0 55 12882.0000 12583.7576 2.32% - 1s 0 0 12583.9552 0 54 12882.0000 12583.9552 2.31% - 1s 0 0 12584.1142 0 62 12882.0000 12584.1142 2.31% - 1s 0 0 12585.3318 0 52 12882.0000 12585.3318 2.30% - 1s 0 0 12585.4192 0 59 12882.0000 12585.4192 2.30% - 1s 0 0 12585.9145 0 63 12882.0000 12585.9145 2.30% - 1s 0 0 12587.1818 0 48 12882.0000 12587.1818 2.29% - 1s 0 0 12587.4207 0 63 12882.0000 12587.4207 2.29% - 1s 0 0 12587.5682 0 51 12882.0000 12587.5682 2.29% - 1s 0 0 12587.7838 0 65 12882.0000 12587.7838 2.28% - 1s 0 0 12588.2227 0 55 12882.0000 12588.2227 2.28% - 1s 0 0 12588.2241 0 63 12882.0000 12588.2241 2.28% - 1s 0 0 12588.7548 0 65 12882.0000 12588.7548 2.28% - 1s 0 0 12589.1686 0 60 12882.0000 12589.1686 2.27% - 1s 0 0 12589.1998 0 65 12882.0000 12589.1998 2.27% - 1s 0 0 12589.4372 0 64 12882.0000 12589.4372 2.27% - 1s 0 0 12590.0892 0 67 12882.0000 12590.0892 2.27% - 1s 0 0 12591.4701 0 66 12882.0000 12591.4701 2.26% - 1s 0 0 12591.8320 0 70 12882.0000 12591.8320 2.25% - 1s 0 0 12591.9756 0 69 12882.0000 12591.9756 2.25% - 1s 0 0 12592.0323 0 76 12882.0000 12592.0323 2.25% - 1s 0 0 12592.1222 0 76 12882.0000 12592.1222 2.25% - 1s 0 0 12592.2534 0 76 12882.0000 12592.2534 2.25% - 1s 0 0 12593.2136 0 72 12882.0000 12593.2136 2.24% - 1s 0 0 12593.5746 0 72 12882.0000 12593.5746 2.24% - 1s 0 0 12593.8330 0 73 12882.0000 12593.8330 2.24% - 1s 0 0 12594.5070 0 71 12882.0000 12594.5070 2.23% - 2s 0 0 12595.5392 0 74 12882.0000 12595.5392 2.22% - 2s 0 0 12596.4594 0 70 12882.0000 12596.4594 2.22% - 2s 0 0 12597.8654 0 64 12882.0000 12597.8654 2.21% - 2s 0 0 12598.0027 0 66 12882.0000 12598.0027 2.20% - 2s 0 0 12598.0498 0 73 12882.0000 12598.0498 2.20% - 2s 0 0 12598.2060 0 71 12882.0000 12598.2060 2.20% - 2s 0 0 12598.5162 0 70 12882.0000 12598.5162 2.20% - 2s 0 0 12598.7837 0 75 12882.0000 12598.7837 2.20% - 2s 0 0 12598.8493 0 75 12882.0000 12598.8493 2.20% - 2s 0 2 12598.8622 0 75 12882.0000 12598.8622 2.20% - 3s H 69 34 12880.000000 12629.6667 1.94% 8.0 4s 601 202 12763.7778 7 57 12880.0000 12700.0000 1.40% 6.9 6s Cutting planes: Gomory: 1 Zero half: 11 Explored 1961 nodes (13519 simplex iterations) in 9.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288000000000e+04, best bound 1.288000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 16), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 861 rows, 1128 columns and 211962 nonzeros Presolve time: 0.12s Presolved: 861 rows, 1128 columns, 211962 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12583.7576 0 55 12923.0000 12583.7576 2.63% - 0s 0 0 12583.9107 0 54 12923.0000 12583.9107 2.62% - 1s 0 0 12584.1379 0 62 12923.0000 12584.1379 2.62% - 1s 0 0 12585.4365 0 62 12923.0000 12585.4365 2.61% - 1s 0 0 12585.9750 0 63 12923.0000 12585.9750 2.61% - 1s 0 0 12586.4527 0 66 12923.0000 12586.4527 2.60% - 1s 0 0 12587.4444 0 57 12923.0000 12587.4444 2.60% - 1s 0 0 12587.5988 0 63 12923.0000 12587.5988 2.60% - 1s 0 0 12587.9616 0 59 12923.0000 12587.9616 2.59% - 1s 0 0 12588.2189 0 67 12923.0000 12588.2189 2.59% - 1s 0 0 12590.4524 0 51 12923.0000 12590.4524 2.57% - 1s 0 0 12590.8061 0 66 12923.0000 12590.8061 2.57% - 1s 0 0 12591.4718 0 65 12923.0000 12591.4718 2.57% - 1s 0 0 12591.6481 0 62 12923.0000 12591.6481 2.56% - 1s 0 0 12591.7411 0 64 12923.0000 12591.7411 2.56% - 1s 0 0 12592.2047 0 74 12923.0000 12592.2047 2.56% - 1s 0 0 12592.5616 0 75 12923.0000 12592.5616 2.56% - 1s 0 0 12592.6858 0 75 12923.0000 12592.6858 2.56% - 1s 0 0 12596.0945 0 54 12923.0000 12596.0945 2.53% - 1s 0 0 12596.3102 0 65 12923.0000 12596.3102 2.53% - 1s 0 0 12596.7759 0 65 12923.0000 12596.7759 2.52% - 1s 0 0 12597.2344 0 69 12923.0000 12597.2344 2.52% - 1s 0 0 12597.2762 0 65 12923.0000 12597.2762 2.52% - 1s 0 0 12597.2847 0 72 12923.0000 12597.2847 2.52% - 1s H 0 0 12915.000000 12597.2847 2.46% - 2s H 0 0 12906.000000 12597.2847 2.39% - 2s 0 2 12597.3473 0 72 12906.0000 12597.3473 2.39% - 3s H 27 19 12889.000000 12606.0000 2.20% 8.4 3s * 100 57 29 12884.000000 12621.5263 2.04% 6.1 3s * 345 136 17 12880.000000 12687.0000 1.50% 7.0 4s 601 217 12814.3333 10 57 12880.0000 12717.0000 1.27% 6.9 5s 2479 73 12865.0000 24 25 12880.0000 12834.0000 0.36% 6.8 10s Cutting planes: Gomory: 1 Zero half: 10 Explored 2595 nodes (17809 simplex iterations) in 10.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288000000000e+04, best bound 1.288000000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 862 rows, 1128 columns and 212193 nonzeros Presolve time: 0.12s Presolved: 862 rows, 1128 columns, 212193 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12881.000000 12565.2245 2.45% - 0s 0 0 12575.5889 0 57 12881.0000 12575.5889 2.37% - 0s 0 0 12575.5889 0 50 12881.0000 12575.5889 2.37% - 0s 0 0 12575.5889 0 57 12881.0000 12575.5889 2.37% - 0s 0 0 12584.1818 0 47 12881.0000 12584.1818 2.30% - 0s 0 0 12584.3636 0 55 12881.0000 12584.3636 2.30% - 1s 0 0 12584.6148 0 62 12881.0000 12584.6148 2.30% - 1s 0 0 12586.1058 0 54 12881.0000 12586.1058 2.29% - 1s 0 0 12586.3098 0 60 12881.0000 12586.3098 2.29% - 1s 0 0 12586.8567 0 55 12881.0000 12586.8567 2.28% - 1s 0 0 12586.9673 0 63 12881.0000 12586.9673 2.28% - 1s 0 0 12588.7831 0 58 12881.0000 12588.7831 2.27% - 1s 0 0 12589.1065 0 64 12881.0000 12589.1065 2.27% - 1s 0 0 12589.2651 0 67 12881.0000 12589.2651 2.26% - 1s 0 0 12589.5248 0 66 12881.0000 12589.5248 2.26% - 1s 0 0 12589.6996 0 68 12881.0000 12589.6996 2.26% - 1s 0 0 12589.9699 0 67 12881.0000 12589.9699 2.26% - 1s 0 0 12590.8897 0 67 12881.0000 12590.8897 2.25% - 1s 0 0 12591.5602 0 64 12881.0000 12591.5602 2.25% - 1s 0 0 12592.4954 0 66 12881.0000 12592.4954 2.24% - 1s 0 0 12592.9274 0 77 12881.0000 12592.9274 2.24% - 1s 0 0 12593.2211 0 69 12881.0000 12593.2211 2.23% - 1s 0 0 12594.0028 0 69 12881.0000 12594.0028 2.23% - 1s 0 0 12595.7163 0 69 12881.0000 12595.7163 2.21% - 1s 0 0 12597.2196 0 59 12881.0000 12597.2196 2.20% - 1s 0 0 12597.4264 0 67 12881.0000 12597.4264 2.20% - 1s 0 0 12597.5065 0 73 12881.0000 12597.5065 2.20% - 1s 0 0 12597.5797 0 74 12881.0000 12597.5797 2.20% - 1s 0 0 12597.5809 0 74 12881.0000 12597.5809 2.20% - 1s 0 2 12597.7792 0 74 12881.0000 12597.7792 2.20% - 3s 601 254 12828.8000 14 57 12881.0000 12708.0000 1.34% 6.4 5s * 699 262 30 12880.000000 12708.0000 1.34% 7.4 6s Cutting planes: Gomory: 1 Zero half: 11 Explored 2349 nodes (16413 simplex iterations) in 9.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288000000000e+04, best bound 1.288000000000e+04, gap 0.0% adding cut for [(4, 40), (7, 37), (7, 28), (16, 40), (16, 31), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 44)] Optimize a model with 863 rows, 1128 columns and 212364 nonzeros Presolve time: 0.12s Presolved: 863 rows, 1128 columns, 212364 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 138 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12892.000000 12565.2245 2.53% - 0s 0 0 12575.5889 0 57 12892.0000 12575.5889 2.45% - 0s 0 0 12575.5889 0 50 12892.0000 12575.5889 2.45% - 0s 0 0 12575.5889 0 57 12892.0000 12575.5889 2.45% - 0s 0 0 12584.1818 0 47 12892.0000 12584.1818 2.39% - 0s 0 0 12584.3636 0 55 12892.0000 12584.3636 2.39% - 1s 0 0 12584.5881 0 62 12892.0000 12584.5881 2.38% - 1s 0 0 12587.6270 0 53 12892.0000 12587.6270 2.36% - 1s 0 0 12587.7298 0 61 12892.0000 12587.7298 2.36% - 1s 0 0 12587.9841 0 56 12892.0000 12587.9841 2.36% - 1s 0 0 12588.0982 0 64 12892.0000 12588.0982 2.36% - 1s 0 0 12589.2103 0 58 12892.0000 12589.2103 2.35% - 1s 0 0 12589.3624 0 63 12892.0000 12589.3624 2.35% - 1s 0 0 12589.4147 0 62 12892.0000 12589.4147 2.35% - 1s 0 0 12589.5443 0 66 12892.0000 12589.5443 2.35% - 1s 0 0 12589.9399 0 64 12892.0000 12589.9399 2.34% - 1s 0 0 12590.2036 0 66 12892.0000 12590.2036 2.34% - 1s 0 0 12590.3679 0 66 12892.0000 12590.3679 2.34% - 1s 0 0 12590.6376 0 64 12892.0000 12590.6376 2.34% - 1s 0 0 12590.9167 0 60 12892.0000 12590.9167 2.34% - 1s 0 0 12590.9860 0 67 12892.0000 12590.9860 2.33% - 1s 0 0 12592.7398 0 74 12892.0000 12592.7398 2.32% - 1s 0 0 12594.7183 0 69 12892.0000 12594.7183 2.31% - 1s 0 0 12595.6344 0 67 12892.0000 12595.6344 2.30% - 1s 0 0 12595.8643 0 71 12892.0000 12595.8643 2.30% - 1s 0 0 12595.9376 0 79 12892.0000 12595.9376 2.30% - 1s 0 0 12596.1414 0 70 12892.0000 12596.1414 2.29% - 1s 0 0 12596.5615 0 69 12892.0000 12596.5615 2.29% - 1s 0 0 12596.6353 0 74 12892.0000 12596.6353 2.29% - 1s 0 0 12596.9686 0 75 12892.0000 12596.9686 2.29% - 2s 0 0 12597.0688 0 75 12892.0000 12597.0688 2.29% - 2s 0 0 12597.3927 0 78 12892.0000 12597.3927 2.29% - 2s 0 0 12597.8978 0 71 12892.0000 12597.8978 2.28% - 2s 0 0 12597.9824 0 72 12892.0000 12597.9824 2.28% - 2s 0 2 12598.2400 0 72 12892.0000 12598.2400 2.28% - 3s * 31 18 27 12883.000000 12622.2500 2.02% 9.4 3s * 72 28 35 12882.000000 12627.4722 1.98% 6.7 3s * 565 210 19 12881.000000 12707.5000 1.35% 6.6 4s 701 234 12767.9167 6 57 12881.0000 12728.5714 1.18% 6.9 6s * 1736 265 24 12880.000000 12761.5000 0.92% 6.8 9s 2171 168 12821.3333 21 23 12880.0000 12815.0000 0.50% 6.8 10s Cutting planes: Gomory: 1 Zero half: 13 Explored 2461 nodes (16721 simplex iterations) in 10.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288000000000e+04, best bound 1.287900000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 40), (38, 40), (7, 37), (7, 28), (12, 21), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 864 rows, 1128 columns and 212554 nonzeros Presolve time: 0.12s Presolved: 864 rows, 1128 columns, 212554 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12905.000000 12565.2245 2.63% - 0s 0 0 12575.5889 0 57 12905.0000 12575.5889 2.55% - 0s 0 0 12575.5889 0 50 12905.0000 12575.5889 2.55% - 0s 0 0 12575.5889 0 57 12905.0000 12575.5889 2.55% - 0s 0 0 12584.1818 0 47 12905.0000 12584.1818 2.49% - 1s 0 0 12584.3636 0 55 12905.0000 12584.3636 2.48% - 1s 0 0 12584.6148 0 62 12905.0000 12584.6148 2.48% - 1s 0 0 12586.1058 0 54 12905.0000 12586.1058 2.47% - 1s 0 0 12586.2199 0 62 12905.0000 12586.2199 2.47% - 1s 0 0 12586.6605 0 54 12905.0000 12586.6605 2.47% - 1s 0 0 12586.8462 0 65 12905.0000 12586.8462 2.47% - 1s 0 0 12587.6759 0 56 12905.0000 12587.6759 2.46% - 1s 0 0 12587.8891 0 63 12905.0000 12587.8891 2.46% - 1s 0 0 12588.9989 0 63 12905.0000 12588.9989 2.45% - 1s 0 0 12589.2424 0 64 12905.0000 12589.2424 2.45% - 1s 0 0 12591.5625 0 51 12905.0000 12591.5625 2.43% - 1s 0 0 12591.9713 0 61 12905.0000 12591.9713 2.43% - 1s 0 0 12591.9972 0 66 12905.0000 12591.9972 2.43% - 1s 0 0 12593.4324 0 66 12905.0000 12593.4324 2.41% - 1s 0 0 12593.6031 0 59 12905.0000 12593.6031 2.41% - 1s 0 0 12593.8414 0 66 12905.0000 12593.8414 2.41% - 1s 0 0 12594.1732 0 61 12905.0000 12594.1732 2.41% - 1s 0 0 12594.2877 0 69 12905.0000 12594.2877 2.41% - 1s 0 0 12594.6534 0 66 12905.0000 12594.6534 2.40% - 1s 0 0 12594.7635 0 69 12905.0000 12594.7635 2.40% - 1s 0 0 12595.6183 0 76 12905.0000 12595.6183 2.40% - 1s 0 0 12595.8970 0 77 12905.0000 12595.8970 2.40% - 1s 0 0 12596.3030 0 75 12905.0000 12596.3030 2.39% - 1s 0 0 12596.5308 0 71 12905.0000 12596.5308 2.39% - 1s 0 0 12596.6275 0 75 12905.0000 12596.6275 2.39% - 1s 0 0 12596.7005 0 77 12905.0000 12596.7005 2.39% - 1s 0 0 12596.8493 0 73 12905.0000 12596.8493 2.39% - 2s 0 0 12596.9068 0 77 12905.0000 12596.9068 2.39% - 2s 0 0 12597.3170 0 70 12905.0000 12597.3170 2.38% - 2s 0 0 12597.4274 0 73 12905.0000 12597.4274 2.38% - 2s 0 0 12597.4723 0 77 12905.0000 12597.4723 2.38% - 2s 0 0 12597.5339 0 76 12905.0000 12597.5339 2.38% - 2s 0 0 12597.5942 0 76 12905.0000 12597.5942 2.38% - 2s H 0 0 12889.000000 12597.5942 2.26% - 3s 0 2 12597.6215 0 76 12889.0000 12597.6215 2.26% - 3s * 36 21 31 12884.000000 12607.7727 2.14% 10.0 3s * 280 118 13 12882.000000 12681.0000 1.56% 7.3 4s * 323 135 18 12881.000000 12694.7835 1.45% 7.2 4s * 479 169 21 12880.000000 12709.0000 1.33% 7.2 4s 519 180 12857.5000 12 8 12880.0000 12715.0000 1.28% 7.2 5s 1930 102 12870.7143 32 30 12880.0000 12823.4000 0.44% 7.1 10s Cutting planes: Gomory: 1 Zero half: 13 Mod-K: 1 Explored 2125 nodes (15299 simplex iterations) in 10.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288000000000e+04, best bound 1.288000000000e+04, gap 0.0% adding cut for [(33, 36), (4, 40), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 43), (30, 36), (31, 40), (31, 44)] Optimize a model with 865 rows, 1128 columns and 212725 nonzeros Presolve time: 0.12s Presolved: 865 rows, 1128 columns, 212725 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12892.000000 12565.2245 2.53% - 0s 0 0 12575.5889 0 57 12892.0000 12575.5889 2.45% - 0s 0 0 12575.5889 0 50 12892.0000 12575.5889 2.45% - 0s 0 0 12575.5889 0 57 12892.0000 12575.5889 2.45% - 0s 0 0 12584.1818 0 47 12892.0000 12584.1818 2.39% - 0s 0 0 12584.3636 0 55 12892.0000 12584.3636 2.39% - 1s 0 0 12584.6028 0 60 12892.0000 12584.6028 2.38% - 1s 0 0 12584.7914 0 64 12892.0000 12584.7914 2.38% - 1s 0 0 12590.1719 0 44 12892.0000 12590.1719 2.34% - 1s 0 0 12590.3899 0 57 12892.0000 12590.3899 2.34% - 1s 0 0 12590.4001 0 64 12892.0000 12590.4001 2.34% - 1s 0 0 12590.9604 0 58 12892.0000 12590.9604 2.34% - 1s 0 0 12591.5911 0 63 12892.0000 12591.5911 2.33% - 1s 0 0 12591.7230 0 66 12892.0000 12591.7230 2.33% - 1s 0 0 12591.8730 0 66 12892.0000 12591.8730 2.33% - 1s 0 0 12591.9438 0 64 12892.0000 12591.9438 2.33% - 1s 0 0 12592.1302 0 69 12892.0000 12592.1302 2.33% - 1s 0 0 12594.1910 0 56 12892.0000 12594.1910 2.31% - 1s 0 0 12594.2857 0 63 12892.0000 12594.2857 2.31% - 1s 0 0 12594.5743 0 64 12892.0000 12594.5743 2.31% - 1s 0 0 12594.6149 0 70 12892.0000 12594.6149 2.31% - 1s 0 0 12594.6806 0 73 12892.0000 12594.6806 2.31% - 1s 0 0 12594.8073 0 70 12892.0000 12594.8073 2.31% - 1s 0 0 12594.8325 0 73 12892.0000 12594.8325 2.31% - 1s 0 0 12594.8350 0 71 12892.0000 12594.8350 2.31% - 1s 0 0 12594.8375 0 75 12892.0000 12594.8375 2.31% - 1s 0 0 12594.8489 0 77 12892.0000 12594.8489 2.30% - 1s 0 0 12595.0116 0 74 12892.0000 12595.0116 2.30% - 2s 0 0 12595.0116 0 74 12892.0000 12595.0116 2.30% - 2s 0 2 12595.1225 0 74 12892.0000 12595.1225 2.30% - 3s * 172 105 18 12884.000000 12629.0000 1.98% 7.9 4s * 181 103 8 12881.000000 12633.8500 1.92% 7.9 4s * 213 111 15 12880.000000 12635.6250 1.90% 7.6 4s 601 223 12831.5000 6 57 12880.0000 12708.2000 1.33% 7.2 6s 2173 91 12873.7500 23 16 12880.0000 12818.8182 0.48% 7.1 10s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 2 Explored 2341 nodes (16705 simplex iterations) in 10.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288000000000e+04, best bound 1.287900000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 866 rows, 1128 columns and 213025 nonzeros Presolve time: 0.12s Presolved: 866 rows, 1128 columns, 213025 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12584.1818 0 47 12923.0000 12584.1818 2.62% - 0s 0 0 12584.3636 0 55 12923.0000 12584.3636 2.62% - 1s 0 0 12584.6148 0 62 12923.0000 12584.6148 2.62% - 1s 0 0 12585.3913 0 51 12923.0000 12585.3913 2.61% - 1s 0 0 12585.5124 0 59 12923.0000 12585.5124 2.61% - 1s 0 0 12586.2964 0 57 12923.0000 12586.2964 2.61% - 1s 0 0 12586.4605 0 65 12923.0000 12586.4605 2.60% - 1s 0 0 12587.6098 0 56 12923.0000 12587.6098 2.60% - 1s 0 0 12587.7532 0 66 12923.0000 12587.7532 2.59% - 1s 0 0 12588.4537 0 64 12923.0000 12588.4537 2.59% - 1s 0 0 12588.8734 0 66 12923.0000 12588.8734 2.59% - 1s 0 0 12590.1302 0 62 12923.0000 12590.1302 2.58% - 1s 0 0 12590.2317 0 67 12923.0000 12590.2317 2.58% - 1s 0 0 12591.3507 0 58 12923.0000 12591.3507 2.57% - 1s 0 0 12591.4164 0 67 12923.0000 12591.4164 2.57% - 1s 0 0 12594.0234 0 68 12923.0000 12594.0234 2.55% - 1s 0 0 12594.1978 0 71 12923.0000 12594.1978 2.54% - 1s 0 0 12594.4197 0 72 12923.0000 12594.4197 2.54% - 1s 0 0 12594.8387 0 72 12923.0000 12594.8387 2.54% - 1s 0 0 12595.2376 0 74 12923.0000 12595.2376 2.54% - 1s 0 0 12596.2381 0 74 12923.0000 12596.2381 2.53% - 1s 0 0 12596.3294 0 75 12923.0000 12596.3294 2.53% - 1s H 0 0 12915.000000 12596.3294 2.47% - 1s 0 0 12596.4737 0 78 12915.0000 12596.4737 2.47% - 2s 0 0 12596.6062 0 75 12915.0000 12596.6062 2.47% - 2s 0 0 12596.6178 0 75 12915.0000 12596.6178 2.47% - 2s 0 0 12596.6382 0 78 12915.0000 12596.6382 2.47% - 2s 0 0 12596.6382 0 78 12915.0000 12596.6382 2.47% - 2s H 0 0 12901.000000 12596.6382 2.36% - 3s 0 2 12597.0872 0 78 12901.0000 12597.0872 2.36% - 3s * 31 19 25 12898.000000 12605.8333 2.27% 10.5 3s * 119 56 32 12896.000000 12623.3333 2.11% 6.2 4s * 124 56 36 12884.000000 12623.3333 2.02% 6.0 4s * 220 115 19 12882.000000 12659.1667 1.73% 6.5 4s * 408 169 13 12881.000000 12685.0000 1.52% 6.7 4s 601 205 12753.0000 10 57 12881.0000 12715.0000 1.29% 6.5 6s * 713 220 27 12880.000000 12715.0000 1.28% 7.5 7s 2040 183 cutoff 21 12880.0000 12798.6667 0.63% 6.7 10s Cutting planes: Gomory: 1 Zero half: 13 Explored 2456 nodes (16490 simplex iterations) in 10.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288000000000e+04, best bound 1.288000000000e+04, gap 0.0% adding cut for [(2, 38), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (22, 47), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 867 rows, 1128 columns and 213215 nonzeros Presolve time: 0.12s Presolved: 867 rows, 1128 columns, 213215 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 133 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12882.000000 12565.2245 2.46% - 0s 0 0 12575.5889 0 57 12882.0000 12575.5889 2.38% - 0s 0 0 12575.5889 0 50 12882.0000 12575.5889 2.38% - 0s 0 0 12575.5889 0 57 12882.0000 12575.5889 2.38% - 0s 0 0 12584.1818 0 47 12882.0000 12584.1818 2.31% - 0s 0 0 12584.3636 0 55 12882.0000 12584.3636 2.31% - 1s 0 0 12584.5881 0 62 12882.0000 12584.5881 2.31% - 1s 0 0 12586.1956 0 52 12882.0000 12586.1956 2.30% - 1s 0 0 12586.3833 0 59 12882.0000 12586.3833 2.29% - 1s 0 0 12586.8588 0 56 12882.0000 12586.8588 2.29% - 1s 0 0 12586.9647 0 64 12882.0000 12586.9647 2.29% - 1s 0 0 12587.5843 0 61 12882.0000 12587.5843 2.29% - 1s 0 0 12587.7929 0 64 12882.0000 12587.7929 2.28% - 1s 0 0 12589.0625 0 61 12882.0000 12589.0625 2.27% - 1s 0 0 12589.1953 0 63 12882.0000 12589.1953 2.27% - 1s 0 0 12589.3244 0 63 12882.0000 12589.3244 2.27% - 1s 0 0 12589.3566 0 65 12882.0000 12589.3566 2.27% - 1s 0 0 12590.3845 0 59 12882.0000 12590.3845 2.26% - 1s 0 0 12590.4278 0 64 12882.0000 12590.4278 2.26% - 1s 0 0 12591.5367 0 64 12882.0000 12591.5367 2.25% - 1s 0 0 12592.0893 0 60 12882.0000 12592.0893 2.25% - 1s 0 0 12592.2216 0 69 12882.0000 12592.2216 2.25% - 1s 0 0 12593.9209 0 64 12882.0000 12593.9209 2.24% - 1s 0 0 12594.2275 0 68 12882.0000 12594.2275 2.23% - 1s 0 0 12594.4139 0 71 12882.0000 12594.4139 2.23% - 1s 0 0 12594.8196 0 67 12882.0000 12594.8196 2.23% - 1s 0 0 12594.8809 0 69 12882.0000 12594.8809 2.23% - 1s 0 0 12594.9103 0 71 12882.0000 12594.9103 2.23% - 1s 0 0 12595.7273 0 70 12882.0000 12595.7273 2.22% - 1s 0 0 12595.8662 0 71 12882.0000 12595.8662 2.22% - 1s 0 0 12595.8800 0 74 12882.0000 12595.8800 2.22% - 1s 0 0 12596.2611 0 68 12882.0000 12596.2611 2.22% - 1s 0 0 12596.3681 0 75 12882.0000 12596.3681 2.22% - 2s 0 0 12596.4602 0 79 12882.0000 12596.4602 2.22% - 2s 0 0 12597.6955 0 74 12882.0000 12597.6955 2.21% - 2s 0 0 12597.8302 0 77 12882.0000 12597.8302 2.21% - 2s 0 2 12598.0190 0 77 12882.0000 12598.0190 2.20% - 3s * 216 121 9 12881.000000 12657.7576 1.73% 6.6 4s 601 193 12818.7500 15 57 12881.0000 12714.5000 1.29% 6.8 5s 2119 51 12876.2083 19 27 12881.0000 12845.5000 0.28% 7.3 10s Cutting planes: Gomory: 1 Zero half: 12 Explored 2194 nodes (16338 simplex iterations) in 10.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288100000000e+04, best bound 1.288000000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 868 rows, 1128 columns and 213446 nonzeros Presolve time: 0.12s Presolved: 868 rows, 1128 columns, 213446 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12907.000000 12565.2245 2.65% - 0s 0 0 12575.5889 0 57 12907.0000 12575.5889 2.57% - 0s 0 0 12575.5889 0 50 12907.0000 12575.5889 2.57% - 0s 0 0 12575.5889 0 57 12907.0000 12575.5889 2.57% - 0s 0 0 12586.1867 0 54 12907.0000 12586.1867 2.49% - 1s 0 0 12586.4367 0 62 12907.0000 12586.4367 2.48% - 1s 0 0 12589.6400 0 55 12907.0000 12589.6400 2.46% - 1s 0 0 12589.7352 0 63 12907.0000 12589.7352 2.46% - 1s 0 0 12590.0005 0 59 12907.0000 12590.0005 2.46% - 1s 0 0 12590.1405 0 67 12907.0000 12590.1405 2.45% - 1s 0 0 12590.6211 0 67 12907.0000 12590.6211 2.45% - 1s 0 0 12591.3143 0 65 12907.0000 12591.3143 2.45% - 1s 0 0 12591.7804 0 66 12907.0000 12591.7804 2.44% - 1s 0 0 12591.9114 0 68 12907.0000 12591.9114 2.44% - 1s 0 0 12592.3760 0 63 12907.0000 12592.3760 2.44% - 1s 0 0 12592.4073 0 69 12907.0000 12592.4073 2.44% - 1s 0 0 12592.7110 0 67 12907.0000 12592.7110 2.44% - 1s 0 0 12593.0762 0 68 12907.0000 12593.0762 2.43% - 1s 0 0 12593.5510 0 70 12907.0000 12593.5510 2.43% - 1s 0 0 12593.6809 0 70 12907.0000 12593.6809 2.43% - 1s 0 0 12593.8284 0 72 12907.0000 12593.8284 2.43% - 1s 0 0 12594.9252 0 68 12907.0000 12594.9252 2.42% - 1s 0 0 12594.9970 0 76 12907.0000 12594.9970 2.42% - 1s 0 0 12595.5440 0 65 12907.0000 12595.5440 2.41% - 1s 0 0 12596.0155 0 69 12907.0000 12596.0155 2.41% - 1s 0 0 12596.0428 0 71 12907.0000 12596.0428 2.41% - 1s 0 0 12596.0428 0 71 12907.0000 12596.0428 2.41% - 2s H 0 0 12902.000000 12596.0428 2.37% - 2s 0 2 12596.6350 0 71 12902.0000 12596.6350 2.37% - 2s * 190 109 16 12896.000000 12650.3636 1.90% 6.6 3s * 289 134 11 12891.000000 12659.5000 1.80% 7.1 3s * 317 139 12 12884.000000 12664.0000 1.71% 7.1 4s * 364 152 10 12881.000000 12671.4000 1.63% 7.0 4s 601 227 12718.0000 7 57 12881.0000 12697.0000 1.43% 6.8 5s Cutting planes: Gomory: 1 Zero half: 7 Explored 2632 nodes (17719 simplex iterations) in 9.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288100000000e+04, best bound 1.288000000000e+04, gap 0.0078% adding cut for [(33, 36), (34, 41), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (13, 33), (12, 13), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 869 rows, 1128 columns and 213656 nonzeros Presolve time: 0.12s Presolved: 869 rows, 1128 columns, 213656 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12586.1938 0 54 12923.0000 12586.1938 2.61% - 1s 0 0 12586.4438 0 62 12923.0000 12586.4438 2.60% - 1s 0 0 12589.8205 0 53 12923.0000 12589.8205 2.58% - 1s 0 0 12589.9103 0 61 12923.0000 12589.9103 2.58% - 1s 0 0 12590.0641 0 55 12923.0000 12590.0641 2.58% - 1s 0 0 12590.2036 0 63 12923.0000 12590.2036 2.58% - 1s 0 0 12591.1577 0 58 12923.0000 12591.1577 2.57% - 1s 0 0 12591.3260 0 63 12923.0000 12591.3260 2.57% - 1s 0 0 12591.3820 0 66 12923.0000 12591.3820 2.57% - 1s 0 0 12592.0841 0 61 12923.0000 12592.0841 2.56% - 1s 0 0 12592.4660 0 67 12923.0000 12592.4660 2.56% - 1s 0 0 12592.9552 0 64 12923.0000 12592.9552 2.55% - 1s 0 0 12593.2895 0 59 12923.0000 12593.2895 2.55% - 1s 0 0 12593.2895 0 66 12923.0000 12593.2895 2.55% - 1s 0 0 12593.3076 0 67 12923.0000 12593.3076 2.55% - 1s 0 0 12594.4104 0 73 12923.0000 12594.4104 2.54% - 1s 0 0 12594.6077 0 72 12923.0000 12594.6077 2.54% - 1s 0 0 12594.7639 0 68 12923.0000 12594.7639 2.54% - 1s 0 0 12594.7924 0 76 12923.0000 12594.7924 2.54% - 1s 0 0 12594.9369 0 81 12923.0000 12594.9369 2.54% - 1s 0 0 12595.7954 0 71 12923.0000 12595.7954 2.53% - 1s 0 0 12595.9595 0 71 12923.0000 12595.9595 2.53% - 1s 0 0 12596.2076 0 72 12923.0000 12596.2076 2.53% - 1s 0 0 12596.4079 0 73 12923.0000 12596.4079 2.53% - 2s 0 0 12597.1071 0 68 12923.0000 12597.1071 2.52% - 2s 0 0 12597.2445 0 71 12923.0000 12597.2445 2.52% - 2s 0 0 12597.2970 0 72 12923.0000 12597.2970 2.52% - 2s 0 0 12597.2970 0 74 12923.0000 12597.2970 2.52% - 2s 0 0 12597.3084 0 78 12923.0000 12597.3084 2.52% - 2s H 0 0 12915.000000 12597.3084 2.46% - 3s H 0 0 12909.000000 12597.3084 2.41% - 3s 0 2 12597.4706 0 78 12909.0000 12597.4706 2.41% - 3s * 67 48 24 12892.000000 12648.0244 1.89% 8.7 4s H 108 67 12891.000000 12650.5000 1.87% 8.4 4s * 187 109 18 12888.000000 12654.0656 1.82% 7.3 4s * 247 129 10 12886.000000 12670.0000 1.68% 7.9 4s * 376 165 18 12882.000000 12694.3000 1.46% 7.4 4s 456 177 cutoff 10 12882.0000 12705.1000 1.37% 7.8 5s * 963 218 21 12881.000000 12714.8667 1.29% 7.6 8s 1749 238 cutoff 28 12881.0000 12772.2400 0.84% 7.1 10s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 2 Explored 2376 nodes (16850 simplex iterations) in 10.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288100000000e+04, best bound 1.288000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 21), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 870 rows, 1128 columns and 213909 nonzeros Presolve time: 0.12s Presolved: 870 rows, 1128 columns, 213909 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12586.1938 0 54 12923.0000 12586.1938 2.61% - 1s 0 0 12586.4438 0 62 12923.0000 12586.4438 2.60% - 1s 0 0 12589.8205 0 53 12923.0000 12589.8205 2.58% - 1s 0 0 12589.9103 0 61 12923.0000 12589.9103 2.58% - 1s 0 0 12590.0641 0 55 12923.0000 12590.0641 2.58% - 1s 0 0 12590.2036 0 63 12923.0000 12590.2036 2.58% - 1s 0 0 12591.1577 0 58 12923.0000 12591.1577 2.57% - 1s 0 0 12591.3260 0 63 12923.0000 12591.3260 2.57% - 1s 0 0 12591.3820 0 66 12923.0000 12591.3820 2.57% - 1s 0 0 12592.0477 0 63 12923.0000 12592.0477 2.56% - 1s 0 0 12592.4635 0 67 12923.0000 12592.4635 2.56% - 1s 0 0 12593.1222 0 65 12923.0000 12593.1222 2.55% - 1s 0 0 12593.5073 0 65 12923.0000 12593.5073 2.55% - 1s 0 0 12593.6281 0 67 12923.0000 12593.6281 2.55% - 1s 0 0 12593.6855 0 67 12923.0000 12593.6855 2.55% - 1s 0 0 12593.8488 0 70 12923.0000 12593.8488 2.55% - 1s 0 0 12594.4441 0 75 12923.0000 12594.4441 2.54% - 1s 0 0 12594.7557 0 69 12923.0000 12594.7557 2.54% - 1s 0 0 12595.0955 0 72 12923.0000 12595.0955 2.54% - 1s 0 0 12595.1161 0 76 12923.0000 12595.1161 2.54% - 1s 0 0 12595.8203 0 66 12923.0000 12595.8203 2.53% - 1s 0 0 12595.9683 0 65 12923.0000 12595.9683 2.53% - 1s 0 0 12595.9972 0 66 12923.0000 12595.9972 2.53% - 2s 0 0 12595.9986 0 67 12923.0000 12595.9986 2.53% - 2s H 0 0 12911.000000 12595.9986 2.44% - 2s 0 2 12596.5555 0 67 12911.0000 12596.5555 2.44% - 3s * 127 75 41 12895.000000 12633.5000 2.03% 5.2 3s * 226 144 22 12891.000000 12653.2000 1.84% 5.9 3s * 247 144 17 12882.000000 12654.3407 1.77% 6.1 3s * 249 142 16 12881.000000 12654.3407 1.76% 6.0 3s 601 249 12875.0000 32 57 12881.0000 12709.2500 1.33% 6.2 5s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 1 Explored 2379 nodes (15095 simplex iterations) in 9.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288100000000e+04, best bound 1.288100000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 46), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 871 rows, 1128 columns and 214119 nonzeros Presolve time: 0.13s Presolved: 871 rows, 1128 columns, 214119 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12893.000000 12565.2245 2.54% - 0s 0 0 12575.5889 0 57 12893.0000 12575.5889 2.46% - 0s 0 0 12575.5889 0 50 12893.0000 12575.5889 2.46% - 0s 0 0 12575.5889 0 57 12893.0000 12575.5889 2.46% - 0s 0 0 12583.7576 0 55 12893.0000 12583.7576 2.40% - 1s 0 0 12583.8805 0 54 12893.0000 12583.8805 2.40% - 1s 0 0 12584.0988 0 62 12893.0000 12584.0988 2.40% - 1s 0 0 12585.4468 0 59 12893.0000 12585.4468 2.39% - 1s 0 0 12586.0455 0 63 12893.0000 12586.0455 2.38% - 1s 0 0 12586.6061 0 56 12893.0000 12586.6061 2.38% - 1s 0 0 12586.9005 0 65 12893.0000 12586.9005 2.37% - 1s 0 0 12587.9938 0 62 12893.0000 12587.9938 2.37% - 1s 0 0 12588.9753 0 65 12893.0000 12588.9753 2.36% - 1s 0 0 12589.8432 0 61 12893.0000 12589.8432 2.35% - 1s 0 0 12589.9167 0 66 12893.0000 12589.9167 2.35% - 1s 0 0 12590.1333 0 66 12893.0000 12590.1333 2.35% - 1s 0 0 12590.6070 0 66 12893.0000 12590.6070 2.35% - 1s 0 0 12592.6620 0 62 12893.0000 12592.6620 2.33% - 1s 0 0 12592.8427 0 65 12893.0000 12592.8427 2.33% - 1s 0 0 12592.8721 0 67 12893.0000 12592.8721 2.33% - 1s 0 0 12593.2437 0 68 12893.0000 12593.2437 2.32% - 1s 0 0 12593.5078 0 70 12893.0000 12593.5078 2.32% - 1s 0 0 12593.6326 0 75 12893.0000 12593.6326 2.32% - 1s 0 0 12593.8667 0 72 12893.0000 12593.8667 2.32% - 1s 0 0 12593.9836 0 72 12893.0000 12593.9836 2.32% - 1s 0 0 12594.1774 0 73 12893.0000 12594.1774 2.32% - 1s 0 0 12594.8309 0 75 12893.0000 12594.8309 2.31% - 1s 0 0 12595.2067 0 73 12893.0000 12595.2067 2.31% - 1s 0 0 12595.4296 0 76 12893.0000 12595.4296 2.31% - 1s 0 0 12595.4441 0 77 12893.0000 12595.4441 2.31% - 1s 0 0 12595.7130 0 74 12893.0000 12595.7130 2.31% - 2s 0 0 12595.9019 0 73 12893.0000 12595.9019 2.30% - 2s 0 0 12596.1355 0 74 12893.0000 12596.1355 2.30% - 2s 0 0 12596.9033 0 72 12893.0000 12596.9033 2.30% - 2s 0 0 12597.0426 0 74 12893.0000 12597.0426 2.30% - 2s 0 0 12597.3678 0 79 12893.0000 12597.3678 2.29% - 2s 0 0 12597.7290 0 73 12893.0000 12597.7290 2.29% - 2s 0 0 12597.9371 0 76 12893.0000 12597.9371 2.29% - 2s H 0 0 12885.000000 12597.9371 2.23% - 3s 0 2 12598.3445 0 76 12885.0000 12598.3445 2.22% - 3s * 76 38 30 12884.000000 12628.8333 1.98% 6.9 3s H 79 37 12881.000000 12629.8529 1.95% 7.1 4s 561 195 12824.3636 11 33 12881.0000 12712.5417 1.31% 7.2 5s 1998 114 12865.0000 22 8 12881.0000 12809.0000 0.56% 7.3 10s Cutting planes: Gomory: 1 Zero half: 13 Explored 2233 nodes (16482 simplex iterations) in 10.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288100000000e+04, best bound 1.288000000000e+04, gap 0.0078% adding cut for [(34, 41), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (16, 46), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 16), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 872 rows, 1128 columns and 214329 nonzeros Presolve time: 0.12s Presolved: 872 rows, 1128 columns, 214329 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12923.000000 12565.2245 2.77% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 50 12923.0000 12575.5889 2.69% - 0s 0 0 12575.5889 0 57 12923.0000 12575.5889 2.69% - 0s 0 0 12586.1938 0 54 12923.0000 12586.1938 2.61% - 1s 0 0 12586.4438 0 62 12923.0000 12586.4438 2.60% - 1s 0 0 12589.8205 0 53 12923.0000 12589.8205 2.58% - 1s 0 0 12589.9103 0 61 12923.0000 12589.9103 2.58% - 1s 0 0 12590.0641 0 55 12923.0000 12590.0641 2.58% - 1s 0 0 12590.2036 0 63 12923.0000 12590.2036 2.58% - 1s 0 0 12591.1577 0 58 12923.0000 12591.1577 2.57% - 1s 0 0 12591.3260 0 63 12923.0000 12591.3260 2.57% - 1s 0 0 12591.3820 0 66 12923.0000 12591.3820 2.57% - 1s 0 0 12592.0477 0 63 12923.0000 12592.0477 2.56% - 1s 0 0 12592.4635 0 67 12923.0000 12592.4635 2.56% - 1s 0 0 12593.0067 0 65 12923.0000 12593.0067 2.55% - 1s 0 0 12593.2958 0 68 12923.0000 12593.2958 2.55% - 1s 0 0 12593.5852 0 67 12923.0000 12593.5852 2.55% - 1s 0 0 12593.6214 0 70 12923.0000 12593.6214 2.55% - 1s 0 0 12594.8351 0 78 12923.0000 12594.8351 2.54% - 1s 0 0 12595.2114 0 66 12923.0000 12595.2114 2.54% - 1s 0 0 12595.2356 0 71 12923.0000 12595.2356 2.54% - 1s H 0 0 12901.000000 12595.2356 2.37% - 2s 0 2 12595.2904 0 71 12901.0000 12595.2904 2.37% - 2s * 60 33 51 12889.000000 12614.7035 2.13% 6.7 3s * 86 43 18 12884.000000 12621.9500 2.03% 7.4 3s H 96 47 12882.000000 12639.2500 1.88% 7.9 3s * 405 177 15 12881.000000 12677.6667 1.58% 6.2 4s 601 256 12840.2727 8 57 12881.0000 12698.7500 1.41% 6.3 5s Cutting planes: Gomory: 1 Zero half: 8 Explored 2432 nodes (16257 simplex iterations) in 9.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288100000000e+04, best bound 1.288000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 24), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 16), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 873 rows, 1128 columns and 214560 nonzeros Presolve time: 0.13s Presolved: 873 rows, 1128 columns, 214560 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12921.000000 12565.2245 2.75% - 0s 0 0 12575.5889 0 57 12921.0000 12575.5889 2.67% - 0s 0 0 12575.5889 0 50 12921.0000 12575.5889 2.67% - 0s 0 0 12575.5889 0 57 12921.0000 12575.5889 2.67% - 1s 0 0 12586.1867 0 54 12921.0000 12586.1867 2.59% - 1s 0 0 12586.4367 0 62 12921.0000 12586.4367 2.59% - 1s 0 0 12589.6400 0 55 12921.0000 12589.6400 2.56% - 1s 0 0 12589.7987 0 63 12921.0000 12589.7987 2.56% - 1s 0 0 12590.1376 0 67 12921.0000 12590.1376 2.56% - 1s 0 0 12591.3049 0 55 12921.0000 12591.3049 2.55% - 1s 0 0 12591.4285 0 65 12921.0000 12591.4285 2.55% - 1s 0 0 12591.8254 0 61 12921.0000 12591.8254 2.55% - 1s 0 0 12591.8975 0 66 12921.0000 12591.8975 2.55% - 1s 0 0 12592.1364 0 66 12921.0000 12592.1364 2.55% - 1s 0 0 12592.3280 0 67 12921.0000 12592.3280 2.54% - 1s 0 0 12592.5182 0 69 12921.0000 12592.5182 2.54% - 1s 0 0 12592.8192 0 56 12921.0000 12592.8192 2.54% - 1s 0 0 12592.8751 0 71 12921.0000 12592.8751 2.54% - 1s 0 0 12593.5259 0 72 12921.0000 12593.5259 2.53% - 1s 0 0 12594.1498 0 69 12921.0000 12594.1498 2.53% - 1s 0 0 12594.7970 0 65 12921.0000 12594.7970 2.52% - 1s 0 0 12594.8862 0 72 12921.0000 12594.8862 2.52% - 1s 0 0 12594.9457 0 72 12921.0000 12594.9457 2.52% - 1s 0 0 12595.8716 0 72 12921.0000 12595.8716 2.52% - 1s 0 0 12596.4052 0 59 12921.0000 12596.4052 2.51% - 1s 0 0 12596.4420 0 70 12921.0000 12596.4420 2.51% - 1s 0 0 12596.4924 0 74 12921.0000 12596.4924 2.51% - 1s 0 0 12596.9459 0 57 12921.0000 12596.9459 2.51% - 1s 0 0 12597.0709 0 69 12921.0000 12597.0709 2.51% - 2s 0 0 12597.0880 0 76 12921.0000 12597.0880 2.51% - 2s 0 0 12597.0966 0 77 12921.0000 12597.0966 2.51% - 2s H 0 0 12915.000000 12597.0966 2.46% - 3s H 0 0 12906.000000 12597.0966 2.39% - 3s 0 2 12597.1012 0 77 12906.0000 12597.1012 2.39% - 3s * 83 47 35 12892.000000 12624.0000 2.08% 5.0 3s * 88 48 37 12882.000000 12624.0000 2.00% 4.9 3s * 593 207 11 12881.000000 12720.0000 1.25% 6.3 4s 701 224 12826.0000 7 57 12881.0000 12730.2917 1.17% 6.4 6s 2310 81 cutoff 24 12881.0000 12841.0000 0.31% 6.5 10s Cutting planes: Gomory: 1 Zero half: 8 Explored 2422 nodes (15749 simplex iterations) in 10.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288100000000e+04, best bound 1.288000000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 40), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 874 rows, 1128 columns and 214836 nonzeros Presolve time: 0.13s Presolved: 874 rows, 1128 columns, 214836 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12920.000000 12565.2245 2.75% - 0s 0 0 12575.5889 0 57 12920.0000 12575.5889 2.67% - 0s 0 0 12575.5889 0 50 12920.0000 12575.5889 2.67% - 0s 0 0 12575.5889 0 57 12920.0000 12575.5889 2.67% - 0s 0 0 12586.1867 0 54 12920.0000 12586.1867 2.58% - 1s 0 0 12586.4367 0 62 12920.0000 12586.4367 2.58% - 1s 0 0 12589.6400 0 55 12920.0000 12589.6400 2.56% - 1s 0 0 12589.7530 0 63 12920.0000 12589.7530 2.56% - 1s 0 0 12589.9762 0 67 12920.0000 12589.9762 2.55% - 1s 0 0 12591.0400 0 60 12920.0000 12591.0400 2.55% - 1s 0 0 12591.1536 0 65 12920.0000 12591.1536 2.55% - 1s 0 0 12591.7050 0 65 12920.0000 12591.7050 2.54% - 1s 0 0 12592.0093 0 66 12920.0000 12592.0093 2.54% - 1s 0 0 12592.3187 0 67 12920.0000 12592.3187 2.54% - 1s 0 0 12592.5755 0 68 12920.0000 12592.5755 2.53% - 1s 0 0 12593.0427 0 71 12920.0000 12593.0427 2.53% - 1s 0 0 12593.0884 0 72 12920.0000 12593.0884 2.53% - 1s 0 0 12593.1541 0 69 12920.0000 12593.1541 2.53% - 1s 0 0 12593.3315 0 70 12920.0000 12593.3315 2.53% - 1s 0 0 12593.6883 0 71 12920.0000 12593.6883 2.53% - 1s 0 0 12594.4041 0 73 12920.0000 12594.4041 2.52% - 1s 0 0 12595.6515 0 68 12920.0000 12595.6515 2.51% - 1s 0 0 12595.8774 0 76 12920.0000 12595.8774 2.51% - 1s 0 0 12596.0229 0 70 12920.0000 12596.0229 2.51% - 1s 0 0 12596.1488 0 73 12920.0000 12596.1488 2.51% - 1s 0 0 12596.2457 0 68 12920.0000 12596.2457 2.51% - 1s 0 0 12596.3077 0 79 12920.0000 12596.3077 2.51% - 1s 0 0 12596.5800 0 67 12920.0000 12596.5800 2.50% - 1s 0 0 12596.9424 0 76 12920.0000 12596.9424 2.50% - 1s 0 0 12597.1572 0 66 12920.0000 12597.1572 2.50% - 2s 0 0 12597.2435 0 77 12920.0000 12597.2435 2.50% - 2s 0 0 12597.9392 0 75 12920.0000 12597.9392 2.49% - 2s 0 0 12597.9392 0 75 12920.0000 12597.9392 2.49% - 2s 0 2 12597.9511 0 75 12920.0000 12597.9511 2.49% - 3s * 41 20 38 12904.000000 12606.0400 2.31% 5.7 3s * 132 82 21 12896.000000 12642.6222 1.96% 6.9 3s * 266 124 20 12888.000000 12663.5789 1.74% 7.2 3s * 282 129 16 12883.000000 12663.6667 1.70% 7.3 4s * 359 148 11 12882.000000 12681.0000 1.56% 7.5 4s 601 195 12775.3333 6 57 12882.0000 12719.5000 1.26% 7.1 5s * 1622 213 31 12881.000000 12782.0000 0.77% 7.2 8s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 1 Explored 2258 nodes (15897 simplex iterations) in 9.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288100000000e+04, best bound 1.288000000000e+04, gap 0.0078% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (10, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 875 rows, 1128 columns and 215007 nonzeros Presolve time: 0.12s Presolved: 875 rows, 1128 columns, 215007 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12933.000000 12565.2245 2.84% - 0s 0 0 12575.5889 0 57 12933.0000 12575.5889 2.76% - 0s 0 0 12575.5889 0 50 12933.0000 12575.5889 2.76% - 0s 0 0 12575.5889 0 57 12933.0000 12575.5889 2.76% - 1s 0 0 12586.1867 0 54 12933.0000 12586.1867 2.68% - 1s 0 0 12586.4367 0 62 12933.0000 12586.4367 2.68% - 1s 0 0 12589.6400 0 55 12933.0000 12589.6400 2.65% - 1s 0 0 12589.7800 0 63 12933.0000 12589.7800 2.65% - 1s 0 0 12589.9880 0 67 12933.0000 12589.9880 2.65% - 1s 0 0 12590.9728 0 60 12933.0000 12590.9728 2.64% - 1s 0 0 12591.1216 0 65 12933.0000 12591.1216 2.64% - 1s 0 0 12591.5870 0 60 12933.0000 12591.5870 2.64% - 1s 0 0 12591.6200 0 65 12933.0000 12591.6200 2.64% - 1s 0 0 12591.7767 0 65 12933.0000 12591.7767 2.64% - 1s 0 0 12591.8800 0 68 12933.0000 12591.8800 2.64% - 1s 0 0 12592.3182 0 61 12933.0000 12592.3182 2.63% - 1s 0 0 12592.3738 0 66 12933.0000 12592.3738 2.63% - 1s 0 0 12592.4345 0 71 12933.0000 12592.4345 2.63% - 1s 0 0 12592.7480 0 68 12933.0000 12592.7480 2.63% - 1s 0 0 12593.0496 0 71 12933.0000 12593.0496 2.63% - 1s 0 0 12593.3579 0 69 12933.0000 12593.3579 2.63% - 1s 0 0 12593.9052 0 75 12933.0000 12593.9052 2.62% - 1s 0 0 12594.2709 0 77 12933.0000 12594.2709 2.62% - 1s 0 0 12597.1448 0 70 12933.0000 12597.1448 2.60% - 1s 0 0 12597.2792 0 71 12933.0000 12597.2792 2.60% - 1s H 0 0 12909.000000 12597.2792 2.41% - 2s H 0 0 12906.000000 12597.2792 2.39% - 2s 0 2 12597.9713 0 71 12906.0000 12597.9713 2.39% - 2s * 109 50 31 12904.000000 12642.5455 2.03% 5.6 3s * 199 96 17 12888.000000 12663.8750 1.74% 5.5 3s * 252 109 14 12882.000000 12670.0000 1.65% 5.7 3s 601 206 12880.0000 30 57 12882.0000 12720.0000 1.26% 6.7 5s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 1 Explored 2360 nodes (15667 simplex iterations) in 9.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288200000000e+04, gap 0.0% adding cut for [(33, 46), (4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 876 rows, 1128 columns and 215178 nonzeros Presolve time: 0.13s Presolved: 876 rows, 1128 columns, 215178 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12586.1867 0 54 12942.0000 12586.1867 2.75% - 1s 0 0 12586.4367 0 62 12942.0000 12586.4367 2.75% - 1s 0 0 12589.6400 0 55 12942.0000 12589.6400 2.72% - 1s 0 0 12589.7590 0 63 12942.0000 12589.7590 2.72% - 1s 0 0 12589.9762 0 67 12942.0000 12589.9762 2.72% - 1s 0 0 12590.9728 0 60 12942.0000 12590.9728 2.71% - 1s 0 0 12591.1428 0 65 12942.0000 12591.1428 2.71% - 1s 0 0 12591.5726 0 66 12942.0000 12591.5726 2.71% - 1s 0 0 12591.8668 0 67 12942.0000 12591.8668 2.71% - 1s 0 0 12592.3182 0 67 12942.0000 12592.3182 2.70% - 1s 0 0 12592.4732 0 68 12942.0000 12592.4732 2.70% - 1s 0 0 12592.9573 0 71 12942.0000 12592.9573 2.70% - 1s 0 0 12593.0886 0 67 12942.0000 12593.0886 2.70% - 1s 0 0 12593.3690 0 65 12942.0000 12593.3690 2.69% - 1s 0 0 12593.4232 0 71 12942.0000 12593.4232 2.69% - 1s 0 0 12594.6030 0 70 12942.0000 12594.6030 2.68% - 1s 0 0 12594.9324 0 77 12942.0000 12594.9324 2.68% - 1s H 0 0 12922.000000 12594.9324 2.53% - 2s 0 2 12594.9799 0 77 12922.0000 12594.9799 2.53% - 2s H 33 17 12890.000000 12613.0000 2.15% 8.3 3s * 210 118 29 12882.000000 12652.5754 1.78% 5.9 3s 610 223 12730.0000 14 57 12882.0000 12700.0000 1.41% 6.1 5s Cutting planes: Gomory: 1 Zero half: 10 Explored 2336 nodes (15660 simplex iterations) in 9.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 41), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 877 rows, 1128 columns and 215409 nonzeros Presolve time: 0.13s Presolved: 877 rows, 1128 columns, 215409 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 1s 0 0 12586.1867 0 54 12942.0000 12586.1867 2.75% - 1s 0 0 12586.4367 0 62 12942.0000 12586.4367 2.75% - 1s 0 0 12589.6400 0 55 12942.0000 12589.6400 2.72% - 1s 0 0 12589.7590 0 63 12942.0000 12589.7590 2.72% - 1s 0 0 12589.9762 0 67 12942.0000 12589.9762 2.72% - 1s 0 0 12590.9728 0 60 12942.0000 12590.9728 2.71% - 1s 0 0 12591.1428 0 65 12942.0000 12591.1428 2.71% - 1s 0 0 12591.5726 0 66 12942.0000 12591.5726 2.71% - 1s 0 0 12591.8668 0 67 12942.0000 12591.8668 2.71% - 1s 0 0 12592.3182 0 67 12942.0000 12592.3182 2.70% - 1s 0 0 12592.4732 0 68 12942.0000 12592.4732 2.70% - 1s 0 0 12592.9573 0 71 12942.0000 12592.9573 2.70% - 1s 0 0 12593.0886 0 67 12942.0000 12593.0886 2.70% - 1s 0 0 12593.4124 0 65 12942.0000 12593.4124 2.69% - 1s 0 0 12593.4645 0 71 12942.0000 12593.4645 2.69% - 1s 0 0 12594.6705 0 70 12942.0000 12594.6705 2.68% - 1s 0 0 12594.9273 0 77 12942.0000 12594.9273 2.68% - 1s 0 0 12594.9562 0 77 12942.0000 12594.9562 2.68% - 1s 0 0 12595.0412 0 71 12942.0000 12595.0412 2.68% - 1s 0 0 12595.0961 0 75 12942.0000 12595.0961 2.68% - 1s 0 0 12595.0989 0 75 12942.0000 12595.0989 2.68% - 2s 0 0 12595.1206 0 79 12942.0000 12595.1206 2.68% - 2s H 0 0 12928.000000 12595.1206 2.57% - 2s H 0 0 12911.000000 12595.1206 2.45% - 3s H 0 0 12902.000000 12595.1206 2.38% - 3s 0 2 12595.3188 0 79 12902.0000 12595.3188 2.38% - 3s * 388 185 17 12895.000000 12676.2308 1.70% 6.5 4s * 408 189 15 12891.000000 12677.4286 1.66% 6.6 4s 559 219 12790.5000 14 16 12891.0000 12693.5000 1.53% 7.0 5s * 577 214 17 12884.000000 12697.6296 1.45% 7.1 5s H 700 247 12882.000000 12712.5476 1.32% 6.9 5s 1844 171 12844.7500 24 21 12882.0000 12779.2500 0.80% 6.7 10s Cutting planes: Gomory: 1 Zero half: 10 Mod-K: 2 Explored 2337 nodes (15403 simplex iterations) in 10.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288100000000e+04, gap 0.0078% adding cut for [(2, 38), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 878 rows, 1128 columns and 215599 nonzeros Presolve time: 0.13s Presolved: 878 rows, 1128 columns, 215599 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12883.000000 12565.2245 2.47% - 0s 0 0 12575.5889 0 57 12883.0000 12575.5889 2.39% - 0s 0 0 12575.5889 0 50 12883.0000 12575.5889 2.39% - 0s 0 0 12575.5889 0 57 12883.0000 12575.5889 2.39% - 1s 0 0 12584.1818 0 47 12883.0000 12584.1818 2.32% - 1s 0 0 12584.3636 0 55 12883.0000 12584.3636 2.32% - 1s 0 0 12584.5261 0 59 12883.0000 12584.5261 2.32% - 1s 0 0 12585.5546 0 56 12883.0000 12585.5546 2.31% - 1s 0 0 12585.6455 0 64 12883.0000 12585.6455 2.31% - 1s 0 0 12586.2906 0 56 12883.0000 12586.2906 2.30% - 1s 0 0 12586.4118 0 64 12883.0000 12586.4118 2.30% - 1s 0 0 12587.0362 0 55 12883.0000 12587.0362 2.30% - 1s 0 0 12587.1514 0 63 12883.0000 12587.1514 2.30% - 1s 0 0 12587.6100 0 62 12883.0000 12587.6100 2.29% - 1s 0 0 12587.7595 0 68 12883.0000 12587.7595 2.29% - 1s 0 0 12588.6241 0 68 12883.0000 12588.6241 2.28% - 1s 0 0 12588.7277 0 66 12883.0000 12588.7277 2.28% - 1s 0 0 12589.2286 0 66 12883.0000 12589.2286 2.28% - 1s 0 0 12589.8012 0 62 12883.0000 12589.8012 2.28% - 1s 0 0 12590.2653 0 64 12883.0000 12590.2653 2.27% - 1s 0 0 12590.3919 0 67 12883.0000 12590.3919 2.27% - 1s 0 0 12591.3121 0 70 12883.0000 12591.3121 2.26% - 1s 0 0 12592.7902 0 56 12883.0000 12592.7902 2.25% - 1s 0 0 12592.9759 0 67 12883.0000 12592.9759 2.25% - 1s 0 0 12593.2367 0 64 12883.0000 12593.2367 2.25% - 1s 0 0 12593.2682 0 67 12883.0000 12593.2682 2.25% - 1s 0 0 12593.3239 0 69 12883.0000 12593.3239 2.25% - 1s 0 0 12593.4936 0 65 12883.0000 12593.4936 2.25% - 1s 0 0 12593.5371 0 67 12883.0000 12593.5371 2.25% - 1s 0 0 12593.9108 0 73 12883.0000 12593.9108 2.24% - 2s 0 0 12594.0987 0 66 12883.0000 12594.0987 2.24% - 2s 0 0 12594.4704 0 69 12883.0000 12594.4704 2.24% - 2s 0 0 12594.4947 0 70 12883.0000 12594.4947 2.24% - 2s 0 0 12594.7876 0 69 12883.0000 12594.7876 2.24% - 2s 0 0 12594.9225 0 72 12883.0000 12594.9225 2.24% - 2s 0 0 12595.2629 0 72 12883.0000 12595.2629 2.23% - 2s 0 0 12595.2629 0 72 12883.0000 12595.2629 2.23% - 2s 0 2 12595.3377 0 72 12883.0000 12595.3377 2.23% - 3s * 478 157 12 12882.000000 12690.2500 1.49% 6.7 4s 583 168 12818.2500 4 46 12882.0000 12706.0000 1.37% 6.8 5s 2020 195 12823.0000 28 20 12882.0000 12787.3265 0.73% 6.9 10s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 1 Explored 2512 nodes (17185 simplex iterations) in 10.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288100000000e+04, gap 0.0078% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (10, 40), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 879 rows, 1128 columns and 215809 nonzeros Presolve time: 0.13s Presolved: 879 rows, 1128 columns, 215809 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12894.000000 12565.2245 2.55% - 0s 0 0 12575.5889 0 57 12894.0000 12575.5889 2.47% - 0s 0 0 12575.5889 0 50 12894.0000 12575.5889 2.47% - 0s 0 0 12575.5889 0 57 12894.0000 12575.5889 2.47% - 0s 0 0 12584.1818 0 47 12894.0000 12584.1818 2.40% - 1s 0 0 12584.3636 0 55 12894.0000 12584.3636 2.40% - 1s 0 0 12584.5884 0 62 12894.0000 12584.5884 2.40% - 1s 0 0 12585.4429 0 51 12894.0000 12585.4429 2.39% - 1s 0 0 12585.6440 0 59 12894.0000 12585.6440 2.39% - 1s 0 0 12586.1592 0 67 12894.0000 12586.1592 2.39% - 1s 0 0 12587.0796 0 54 12894.0000 12587.0796 2.38% - 1s 0 0 12587.4936 0 63 12894.0000 12587.4936 2.38% - 1s 0 0 12589.4543 0 62 12894.0000 12589.4543 2.36% - 1s 0 0 12589.6638 0 65 12894.0000 12589.6638 2.36% - 1s 0 0 12590.0152 0 64 12894.0000 12590.0152 2.36% - 1s 0 0 12590.3391 0 67 12894.0000 12590.3391 2.36% - 1s 0 0 12591.0105 0 67 12894.0000 12591.0105 2.35% - 1s 0 0 12592.1099 0 53 12894.0000 12592.1099 2.34% - 1s 0 0 12592.9486 0 65 12894.0000 12592.9486 2.33% - 1s 0 0 12593.5956 0 67 12894.0000 12593.5956 2.33% - 1s 0 0 12594.1130 0 62 12894.0000 12594.1130 2.33% - 1s 0 0 12594.1785 0 70 12894.0000 12594.1785 2.33% - 1s 0 0 12594.4826 0 65 12894.0000 12594.4826 2.32% - 1s 0 0 12594.5994 0 68 12894.0000 12594.5994 2.32% - 1s 0 0 12594.8046 0 63 12894.0000 12594.8046 2.32% - 1s 0 0 12594.8423 0 70 12894.0000 12594.8423 2.32% - 1s 0 0 12594.9547 0 72 12894.0000 12594.9547 2.32% - 1s 0 0 12594.9662 0 74 12894.0000 12594.9662 2.32% - 1s 0 2 12594.9822 0 74 12894.0000 12594.9822 2.32% - 2s * 148 81 29 12884.000000 12641.5918 1.88% 6.2 3s H 255 110 12882.000000 12664.2143 1.69% 6.4 3s 601 183 12821.0000 10 57 12882.0000 12724.8333 1.22% 6.5 5s 2417 28 12866.0000 31 8 12882.0000 12854.1111 0.22% 7.0 10s Cutting planes: Gomory: 1 Zero half: 9 Mod-K: 1 Explored 2458 nodes (17614 simplex iterations) in 10.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (12, 13), (12, 24), (13, 40), (16, 40), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 44), (31, 46), (33, 36)] Optimize a model with 880 rows, 1128 columns and 216040 nonzeros Presolve time: 0.13s Presolved: 880 rows, 1128 columns, 216040 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 1s 0 0 12586.1938 0 54 12942.0000 12586.1938 2.75% - 1s 0 0 12586.4438 0 62 12942.0000 12586.4438 2.75% - 1s 0 0 12589.8205 0 53 12942.0000 12589.8205 2.72% - 1s 0 0 12589.9205 0 61 12942.0000 12589.9205 2.72% - 1s 0 0 12590.3798 0 57 12942.0000 12590.3798 2.72% - 1s 0 0 12590.4869 0 65 12942.0000 12590.4869 2.72% - 1s 0 0 12591.2635 0 60 12942.0000 12591.2635 2.71% - 1s 0 0 12591.4317 0 65 12942.0000 12591.4317 2.71% - 1s 0 0 12592.1071 0 64 12942.0000 12592.1071 2.70% - 1s 0 0 12592.5736 0 69 12942.0000 12592.5736 2.70% - 1s 0 0 12593.2111 0 66 12942.0000 12593.2111 2.70% - 1s 0 0 12593.7008 0 69 12942.0000 12593.7008 2.69% - 1s 0 0 12594.3345 0 45 12942.0000 12594.3345 2.69% - 1s 0 0 12594.8063 0 76 12942.0000 12594.8063 2.68% - 1s 0 0 12596.3862 0 60 12942.0000 12596.3862 2.67% - 1s 0 0 12596.7052 0 72 12942.0000 12596.7052 2.67% - 1s 0 0 12597.0056 0 74 12942.0000 12597.0056 2.67% - 1s 0 0 12597.1107 0 76 12942.0000 12597.1107 2.66% - 1s 0 0 12597.4745 0 72 12942.0000 12597.4745 2.66% - 1s 0 0 12597.6482 0 75 12942.0000 12597.6482 2.66% - 1s 0 0 12598.1137 0 71 12942.0000 12598.1137 2.66% - 1s 0 0 12598.1522 0 78 12942.0000 12598.1522 2.66% - 1s 0 0 12598.4991 0 77 12942.0000 12598.4991 2.65% - 1s 0 0 12598.5677 0 78 12942.0000 12598.5677 2.65% - 2s 0 0 12598.6287 0 78 12942.0000 12598.6287 2.65% - 2s H 0 0 12906.000000 12598.6287 2.38% - 2s 0 2 12599.4786 0 78 12906.0000 12599.4786 2.38% - 3s * 43 20 38 12904.000000 12607.7647 2.30% 8.3 3s * 44 19 38 12899.000000 12607.7647 2.26% 8.1 3s H 196 86 12889.000000 12670.0000 1.70% 8.1 4s * 266 113 16 12886.000000 12676.1935 1.63% 7.8 4s * 474 158 14 12884.000000 12701.0000 1.42% 7.6 4s * 498 160 15 12883.000000 12701.8571 1.41% 7.5 4s 572 169 12789.5000 8 12 12883.0000 12715.0000 1.30% 7.7 5s * 587 170 14 12882.000000 12715.0000 1.30% 7.6 5s 1602 188 12837.8000 20 26 12882.0000 12767.6667 0.89% 7.6 10s Cutting planes: Gomory: 2 Zero half: 12 Mod-K: 1 Explored 2616 nodes (18801 simplex iterations) in 11.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 881 rows, 1128 columns and 216271 nonzeros Presolve time: 0.12s Presolved: 881 rows, 1128 columns, 216271 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 1s 0 0 12586.1938 0 54 12942.0000 12586.1938 2.75% - 1s 0 0 12586.4438 0 62 12942.0000 12586.4438 2.75% - 1s 0 0 12589.8205 0 53 12942.0000 12589.8205 2.72% - 1s 0 0 12589.9205 0 61 12942.0000 12589.9205 2.72% - 1s 0 0 12590.3798 0 57 12942.0000 12590.3798 2.72% - 1s 0 0 12590.4869 0 65 12942.0000 12590.4869 2.72% - 1s 0 0 12591.2635 0 60 12942.0000 12591.2635 2.71% - 1s 0 0 12591.4317 0 65 12942.0000 12591.4317 2.71% - 1s 0 0 12592.1121 0 65 12942.0000 12592.1121 2.70% - 1s 0 0 12592.5736 0 69 12942.0000 12592.5736 2.70% - 1s 0 0 12593.1212 0 65 12942.0000 12593.1212 2.70% - 1s 0 0 12593.7184 0 70 12942.0000 12593.7184 2.69% - 1s 0 0 12593.8284 0 72 12942.0000 12593.8284 2.69% - 1s 0 0 12593.9913 0 72 12942.0000 12593.9913 2.69% - 1s 0 0 12595.0119 0 66 12942.0000 12595.0119 2.68% - 1s 0 0 12595.1386 0 70 12942.0000 12595.1386 2.68% - 1s 0 0 12595.3762 0 71 12942.0000 12595.3762 2.68% - 1s 0 0 12596.1132 0 71 12942.0000 12596.1132 2.67% - 1s 0 0 12596.2050 0 73 12942.0000 12596.2050 2.67% - 1s 0 0 12596.3766 0 58 12942.0000 12596.3766 2.67% - 1s 0 0 12596.5341 0 71 12942.0000 12596.5341 2.67% - 1s 0 0 12596.6844 0 74 12942.0000 12596.6844 2.67% - 1s 0 0 12597.1562 0 71 12942.0000 12597.1562 2.66% - 2s 0 0 12597.2469 0 73 12942.0000 12597.2469 2.66% - 2s 0 0 12597.3350 0 76 12942.0000 12597.3350 2.66% - 2s 0 0 12597.6073 0 73 12942.0000 12597.6073 2.66% - 2s 0 0 12597.7192 0 75 12942.0000 12597.7192 2.66% - 2s H 0 0 12927.000000 12597.7192 2.55% - 2s H 0 0 12915.000000 12597.7192 2.46% - 3s H 0 0 12906.000000 12597.7192 2.39% - 3s 0 2 12597.7739 0 75 12906.0000 12597.7739 2.39% - 3s * 76 24 73 12896.000000 12622.0526 2.12% 5.4 3s H 133 57 12889.000000 12651.5000 1.84% 6.3 4s * 223 102 19 12883.000000 12671.2000 1.64% 6.3 4s 509 182 cutoff 17 12883.0000 12706.1429 1.37% 6.5 5s * 1342 179 25 12882.000000 12765.0000 0.91% 7.0 8s 1952 31 cutoff 24 12882.0000 12857.0000 0.19% 6.6 10s Cutting planes: Gomory: 1 Zero half: 10 Mod-K: 1 Explored 2007 nodes (13629 simplex iterations) in 10.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288100000000e+04, gap 0.0078% adding cut for [(33, 44), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (12, 24), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43)] Optimize a model with 882 rows, 1128 columns and 216424 nonzeros Presolve time: 0.12s Presolved: 882 rows, 1128 columns, 216424 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s H 0 0 12902.000000 12575.5889 2.53% - 1s 0 0 12586.1938 0 54 12902.0000 12586.1938 2.45% - 1s 0 0 12586.4438 0 62 12902.0000 12586.4438 2.45% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9600 0 61 12902.0000 12589.9600 2.42% - 1s 0 0 12590.2821 0 65 12902.0000 12590.2821 2.42% - 1s 0 0 12591.4808 0 58 12902.0000 12591.4808 2.41% - 1s 0 0 12591.6125 0 63 12902.0000 12591.6125 2.41% - 1s 0 0 12592.1339 0 58 12902.0000 12592.1339 2.40% - 1s 0 0 12592.1651 0 63 12902.0000 12592.1651 2.40% - 1s 0 0 12592.3444 0 64 12902.0000 12592.3444 2.40% - 1s 0 0 12592.4855 0 66 12902.0000 12592.4855 2.40% - 1s 0 0 12592.8732 0 65 12902.0000 12592.8732 2.40% - 1s 0 0 12593.0867 0 67 12902.0000 12593.0867 2.39% - 1s 0 0 12593.1721 0 70 12902.0000 12593.1721 2.39% - 1s 0 0 12593.4774 0 66 12902.0000 12593.4774 2.39% - 1s 0 0 12593.6016 0 71 12902.0000 12593.6016 2.39% - 1s 0 0 12593.7976 0 71 12902.0000 12593.7976 2.39% - 1s 0 0 12594.6179 0 73 12902.0000 12594.6179 2.38% - 1s 0 0 12594.7211 0 72 12902.0000 12594.7211 2.38% - 1s 0 0 12594.9128 0 74 12902.0000 12594.9128 2.38% - 1s 0 0 12595.2027 0 72 12902.0000 12595.2027 2.38% - 1s 0 0 12595.2035 0 73 12902.0000 12595.2035 2.38% - 1s 0 0 12595.3341 0 77 12902.0000 12595.3341 2.38% - 2s 0 0 12596.1468 0 58 12902.0000 12596.1468 2.37% - 2s 0 0 12596.4338 0 73 12902.0000 12596.4338 2.37% - 2s 0 0 12596.5928 0 71 12902.0000 12596.5928 2.37% - 2s 0 0 12596.6158 0 74 12902.0000 12596.6158 2.37% - 2s H 0 0 12901.000000 12596.6158 2.36% - 2s 0 2 12596.6416 0 74 12901.0000 12596.6416 2.36% - 3s H 27 20 12898.000000 12607.0238 2.26% 10.7 3s * 45 23 36 12883.000000 12607.0238 2.14% 8.2 3s 601 326 12821.6667 21 57 12883.0000 12684.8500 1.54% 4.8 5s * 931 356 22 12882.000000 12684.8500 1.53% 6.0 7s 2429 272 cutoff 32 12882.0000 12793.8000 0.68% 6.1 10s Cutting planes: Gomory: 1 Zero half: 7 Explored 3012 nodes (18638 simplex iterations) in 10.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (16, 36), (16, 40), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 883 rows, 1128 columns and 216700 nonzeros Presolve time: 0.13s Presolved: 883 rows, 1128 columns, 216700 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12908.000000 12565.2245 2.66% - 0s 0 0 12575.5889 0 57 12908.0000 12575.5889 2.58% - 0s 0 0 12575.5889 0 50 12908.0000 12575.5889 2.58% - 0s 0 0 12575.5889 0 57 12908.0000 12575.5889 2.58% - 0s H 0 0 12902.000000 12575.5889 2.53% - 1s 0 0 12586.1938 0 54 12902.0000 12586.1938 2.45% - 1s 0 0 12586.4438 0 62 12902.0000 12586.4438 2.45% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9283 0 61 12902.0000 12589.9283 2.42% - 1s 0 0 12590.2708 0 57 12902.0000 12590.2708 2.42% - 1s 0 0 12590.3779 0 65 12902.0000 12590.3779 2.42% - 1s 0 0 12591.2865 0 61 12902.0000 12591.2865 2.41% - 1s 0 0 12591.4548 0 66 12902.0000 12591.4548 2.41% - 1s 0 0 12592.3381 0 65 12902.0000 12592.3381 2.40% - 1s 0 0 12592.6483 0 64 12902.0000 12592.6483 2.40% - 1s 0 0 12592.7040 0 66 12902.0000 12592.7040 2.40% - 1s 0 0 12592.9488 0 65 12902.0000 12592.9488 2.40% - 1s 0 0 12593.1199 0 67 12902.0000 12593.1199 2.39% - 1s 0 0 12593.1885 0 68 12902.0000 12593.1885 2.39% - 1s 0 0 12593.5273 0 66 12902.0000 12593.5273 2.39% - 1s 0 0 12593.8059 0 66 12902.0000 12593.8059 2.39% - 1s 0 0 12594.0278 0 66 12902.0000 12594.0278 2.39% - 1s 0 0 12594.0728 0 70 12902.0000 12594.0728 2.39% - 1s 0 0 12594.2582 0 70 12902.0000 12594.2582 2.39% - 1s 0 0 12595.3701 0 72 12902.0000 12595.3701 2.38% - 1s 0 0 12595.8580 0 72 12902.0000 12595.8580 2.37% - 1s 0 0 12595.9403 0 75 12902.0000 12595.9403 2.37% - 1s 0 0 12596.1995 0 72 12902.0000 12596.1995 2.37% - 1s 0 0 12596.3868 0 66 12902.0000 12596.3868 2.37% - 1s 0 0 12596.4399 0 75 12902.0000 12596.4399 2.37% - 1s 0 0 12596.8128 0 80 12902.0000 12596.8128 2.37% - 1s 0 0 12596.8737 0 82 12902.0000 12596.8737 2.36% - 2s 0 0 12597.9094 0 75 12902.0000 12597.9094 2.36% - 2s 0 0 12598.4790 0 77 12902.0000 12598.4790 2.35% - 2s 0 0 12598.4790 0 77 12902.0000 12598.4790 2.35% - 2s 0 2 12599.2522 0 77 12902.0000 12599.2522 2.35% - 3s H 27 17 12883.000000 12626.8542 1.99% 9.0 3s 601 163 12809.0000 14 57 12883.0000 12732.3333 1.17% 6.9 5s * 1463 169 22 12882.000000 12784.0000 0.76% 7.3 8s Cutting planes: Gomory: 1 Zero half: 11 Explored 2046 nodes (14633 simplex iterations) in 9.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288100000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 36), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41)] Optimize a model with 884 rows, 1128 columns and 216953 nonzeros Presolve time: 0.13s Presolved: 884 rows, 1128 columns, 216953 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12907.000000 12565.2245 2.65% - 0s 0 0 12575.5889 0 57 12907.0000 12575.5889 2.57% - 0s 0 0 12575.5889 0 50 12907.0000 12575.5889 2.57% - 0s 0 0 12575.5889 0 57 12907.0000 12575.5889 2.57% - 0s 0 0 12586.1938 0 54 12907.0000 12586.1938 2.49% - 1s 0 0 12586.3605 0 62 12907.0000 12586.3605 2.48% - 1s 0 0 12589.8205 0 53 12907.0000 12589.8205 2.46% - 1s 0 0 12589.9600 0 61 12907.0000 12589.9600 2.46% - 1s 0 0 12590.3798 0 57 12907.0000 12590.3798 2.45% - 1s 0 0 12590.5184 0 65 12907.0000 12590.5184 2.45% - 1s 0 0 12591.2635 0 60 12907.0000 12591.2635 2.45% - 1s 0 0 12591.4317 0 65 12907.0000 12591.4317 2.44% - 1s 0 0 12592.3477 0 63 12907.0000 12592.3477 2.44% - 1s 0 0 12592.6804 0 66 12907.0000 12592.6804 2.44% - 1s 0 0 12592.7604 0 65 12907.0000 12592.7604 2.43% - 1s 0 0 12592.8647 0 63 12907.0000 12592.8647 2.43% - 1s 0 0 12592.9941 0 67 12907.0000 12592.9941 2.43% - 1s 0 0 12593.2886 0 66 12907.0000 12593.2886 2.43% - 1s 0 0 12593.6669 0 70 12907.0000 12593.6669 2.43% - 1s 0 0 12594.3623 0 72 12907.0000 12594.3623 2.42% - 1s 0 0 12594.8713 0 78 12907.0000 12594.8713 2.42% - 1s 0 0 12594.9924 0 78 12907.0000 12594.9924 2.42% - 1s 0 0 12595.2430 0 70 12907.0000 12595.2430 2.42% - 1s 0 0 12595.3765 0 77 12907.0000 12595.3765 2.41% - 1s 0 0 12595.5191 0 70 12907.0000 12595.5191 2.41% - 1s 0 0 12595.8615 0 75 12907.0000 12595.8615 2.41% - 1s 0 0 12596.0931 0 72 12907.0000 12596.0931 2.41% - 1s 0 0 12596.1597 0 75 12907.0000 12596.1597 2.41% - 1s 0 0 12596.2073 0 74 12907.0000 12596.2073 2.41% - 2s 0 0 12596.3444 0 79 12907.0000 12596.3444 2.41% - 2s 0 2 12596.4749 0 79 12907.0000 12596.4749 2.41% - 3s H 27 19 12902.000000 12621.1842 2.18% 9.0 3s * 170 87 14 12885.000000 12633.6667 1.95% 7.0 3s * 201 103 23 12884.000000 12640.5000 1.89% 7.0 4s * 356 138 12 12883.000000 12674.0000 1.62% 7.4 4s * 497 167 19 12882.000000 12710.3333 1.33% 7.4 4s 591 173 12877.5000 6 14 12882.0000 12718.0000 1.27% 7.5 5s 1936 135 cutoff 25 12882.0000 12798.5000 0.65% 7.1 10s Cutting planes: Gomory: 1 Zero half: 12 Explored 2249 nodes (16059 simplex iterations) in 10.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288200000000e+04, best bound 1.288200000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 17), (10, 38), (12, 13), (13, 16), (16, 33), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 885 rows, 1128 columns and 217229 nonzeros Presolve time: 0.13s Presolved: 885 rows, 1128 columns, 217229 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 1s 0 0 12586.1938 0 54 12942.0000 12586.1938 2.75% - 1s 0 0 12586.4438 0 62 12942.0000 12586.4438 2.75% - 1s 0 0 12589.8205 0 53 12942.0000 12589.8205 2.72% - 1s 0 0 12589.9205 0 61 12942.0000 12589.9205 2.72% - 1s 0 0 12590.3798 0 57 12942.0000 12590.3798 2.72% - 1s 0 0 12590.4869 0 65 12942.0000 12590.4869 2.72% - 1s 0 0 12591.2635 0 60 12942.0000 12591.2635 2.71% - 1s 0 0 12591.4317 0 65 12942.0000 12591.4317 2.71% - 1s 0 0 12592.1121 0 65 12942.0000 12592.1121 2.70% - 1s 0 0 12592.5736 0 69 12942.0000 12592.5736 2.70% - 1s 0 0 12593.1212 0 65 12942.0000 12593.1212 2.70% - 1s 0 0 12593.7184 0 70 12942.0000 12593.7184 2.69% - 1s 0 0 12593.8349 0 72 12942.0000 12593.8349 2.69% - 1s 0 0 12594.0098 0 72 12942.0000 12594.0098 2.69% - 1s 0 0 12595.0119 0 66 12942.0000 12595.0119 2.68% - 1s 0 0 12595.1573 0 68 12942.0000 12595.1573 2.68% - 1s 0 0 12595.4449 0 72 12942.0000 12595.4449 2.68% - 1s 0 0 12596.5659 0 66 12942.0000 12596.5659 2.67% - 1s 0 0 12596.6447 0 65 12942.0000 12596.6447 2.67% - 1s 0 0 12596.7506 0 68 12942.0000 12596.7506 2.67% - 1s 0 0 12597.1295 0 67 12942.0000 12597.1295 2.66% - 1s 0 0 12597.4121 0 69 12942.0000 12597.4121 2.66% - 2s 0 0 12597.5610 0 72 12942.0000 12597.5610 2.66% - 2s 0 0 12598.0116 0 64 12942.0000 12598.0116 2.66% - 2s 0 0 12598.4047 0 71 12942.0000 12598.4047 2.65% - 2s 0 0 12598.4760 0 70 12942.0000 12598.4760 2.65% - 2s 0 0 12598.5030 0 72 12942.0000 12598.5030 2.65% - 2s 0 0 12598.5806 0 74 12942.0000 12598.5806 2.65% - 2s 0 0 12598.7334 0 74 12942.0000 12598.7334 2.65% - 2s H 0 0 12902.000000 12598.7334 2.35% - 3s 0 2 12598.7583 0 74 12902.0000 12598.7583 2.35% - 3s * 32 20 27 12899.000000 12615.8810 2.19% 10.7 3s H 139 59 12886.000000 12639.8333 1.91% 5.6 4s * 178 86 41 12884.000000 12644.8750 1.86% 5.6 4s * 303 133 7 12883.000000 12667.3234 1.67% 5.7 4s 467 193 12873.3333 14 19 12883.0000 12690.0000 1.50% 5.8 5s 1666 330 12841.7500 20 18 12883.0000 12729.7500 1.19% 7.2 10s Cutting planes: Gomory: 2 Zero half: 8 Mod-K: 2 Explored 3433 nodes (25118 simplex iterations) in 13.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288300000000e+04, best bound 1.288200000000e+04, gap 0.0078% adding cut for [(34, 41), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 17), (13, 36), (12, 13), (17, 41), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 886 rows, 1128 columns and 217419 nonzeros Presolve time: 0.13s Presolved: 886 rows, 1128 columns, 217419 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 1s 0 0 12586.1938 0 54 12942.0000 12586.1938 2.75% - 1s 0 0 12586.4438 0 62 12942.0000 12586.4438 2.75% - 1s 0 0 12589.8205 0 53 12942.0000 12589.8205 2.72% - 1s 0 0 12589.9205 0 61 12942.0000 12589.9205 2.72% - 1s 0 0 12590.3798 0 57 12942.0000 12590.3798 2.72% - 1s 0 0 12590.4869 0 65 12942.0000 12590.4869 2.72% - 1s 0 0 12591.2635 0 60 12942.0000 12591.2635 2.71% - 1s 0 0 12591.4317 0 65 12942.0000 12591.4317 2.71% - 1s 0 0 12592.1071 0 64 12942.0000 12592.1071 2.70% - 1s 0 0 12592.4379 0 67 12942.0000 12592.4379 2.70% - 1s 0 0 12592.8918 0 67 12942.0000 12592.8918 2.70% - 1s 0 0 12593.9952 0 64 12942.0000 12593.9952 2.69% - 1s 0 0 12594.0955 0 70 12942.0000 12594.0955 2.69% - 1s 0 0 12594.5336 0 68 12942.0000 12594.5336 2.68% - 1s 0 0 12594.8958 0 71 12942.0000 12594.8958 2.68% - 1s 0 0 12594.9356 0 76 12942.0000 12594.9356 2.68% - 1s 0 0 12595.5487 0 71 12942.0000 12595.5487 2.68% - 1s H 0 0 12927.000000 12595.5487 2.56% - 2s 0 2 12595.8676 0 71 12927.0000 12595.8676 2.56% - 2s H 76 36 12915.000000 12636.0742 2.16% 8.4 3s * 157 87 44 12907.000000 12640.6875 2.06% 7.0 3s * 178 105 23 12897.000000 12641.0000 1.98% 7.3 3s * 258 139 12 12896.000000 12652.8571 1.89% 6.9 3s * 512 245 12 12889.000000 12690.0000 1.54% 6.7 4s 603 274 12767.0000 12 57 12889.0000 12695.7500 1.50% 6.7 5s * 709 278 30 12883.000000 12695.7500 1.45% 7.6 6s Cutting planes: Gomory: 2 Zero half: 7 Mod-K: 1 Explored 2390 nodes (16001 simplex iterations) in 9.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288300000000e+04, best bound 1.288200000000e+04, gap 0.0078% adding cut for [(33, 44), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43)] Optimize a model with 887 rows, 1128 columns and 217555 nonzeros Presolve time: 0.13s Presolved: 887 rows, 1128 columns, 217555 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12586.1938 0 54 12942.0000 12586.1938 2.75% - 1s 0 0 12586.4438 0 62 12942.0000 12586.4438 2.75% - 1s 0 0 12589.8205 0 53 12942.0000 12589.8205 2.72% - 1s 0 0 12589.9205 0 61 12942.0000 12589.9205 2.72% - 1s 0 0 12590.3798 0 57 12942.0000 12590.3798 2.72% - 1s 0 0 12590.4869 0 65 12942.0000 12590.4869 2.72% - 1s 0 0 12591.2635 0 60 12942.0000 12591.2635 2.71% - 1s 0 0 12591.4317 0 65 12942.0000 12591.4317 2.71% - 1s 0 0 12592.1121 0 65 12942.0000 12592.1121 2.70% - 1s 0 0 12592.5736 0 69 12942.0000 12592.5736 2.70% - 1s 0 0 12593.1212 0 65 12942.0000 12593.1212 2.70% - 1s 0 0 12593.7184 0 70 12942.0000 12593.7184 2.69% - 1s 0 0 12593.8349 0 72 12942.0000 12593.8349 2.69% - 1s 0 0 12594.0098 0 72 12942.0000 12594.0098 2.69% - 1s 0 0 12595.4142 0 74 12942.0000 12595.4142 2.68% - 1s 0 0 12596.0280 0 76 12942.0000 12596.0280 2.67% - 1s 0 0 12596.3232 0 78 12942.0000 12596.3232 2.67% - 1s 0 0 12597.1004 0 72 12942.0000 12597.1004 2.66% - 1s 0 0 12597.2861 0 75 12942.0000 12597.2861 2.66% - 1s 0 0 12597.3847 0 72 12942.0000 12597.3847 2.66% - 1s 0 2 12597.4596 0 72 12942.0000 12597.4596 2.66% - 3s H 27 20 12889.000000 12607.2143 2.19% 11.7 3s * 32 20 25 12884.000000 12607.2143 2.15% 10.8 3s 601 191 12788.4444 19 57 12884.0000 12710.8819 1.34% 7.5 6s * 1159 147 28 12883.000000 12738.4000 1.12% 7.5 8s 2107 96 cutoff 29 12883.0000 12830.0000 0.41% 6.7 10s Cutting planes: Gomory: 1 Zero half: 11 Explored 2284 nodes (15363 simplex iterations) in 10.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288300000000e+04, best bound 1.288300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 31), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 888 rows, 1128 columns and 217831 nonzeros Presolve time: 0.13s Presolved: 888 rows, 1128 columns, 217831 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12895.000000 12565.2245 2.56% - 0s 0 0 12575.5889 0 57 12895.0000 12575.5889 2.48% - 0s 0 0 12575.5889 0 50 12895.0000 12575.5889 2.48% - 0s 0 0 12575.5889 0 57 12895.0000 12575.5889 2.48% - 0s 0 0 12584.1818 0 47 12895.0000 12584.1818 2.41% - 0s 0 0 12584.3611 0 62 12895.0000 12584.3611 2.41% - 1s 0 0 12585.2115 0 54 12895.0000 12585.2115 2.40% - 1s 0 0 12585.4398 0 63 12895.0000 12585.4398 2.40% - 1s 0 0 12587.9312 0 60 12895.0000 12587.9312 2.38% - 1s 0 0 12588.0817 0 65 12895.0000 12588.0817 2.38% - 1s 0 0 12588.6553 0 59 12895.0000 12588.6553 2.38% - 1s 0 0 12588.8743 0 64 12895.0000 12588.8743 2.37% - 1s 0 0 12588.8987 0 66 12895.0000 12588.8987 2.37% - 1s 0 0 12589.0763 0 66 12895.0000 12589.0763 2.37% - 1s 0 0 12589.8166 0 66 12895.0000 12589.8166 2.37% - 1s 0 0 12591.1800 0 55 12895.0000 12591.1800 2.36% - 1s 0 0 12591.3062 0 60 12895.0000 12591.3062 2.36% - 1s 0 0 12591.6236 0 65 12895.0000 12591.6236 2.35% - 1s 0 0 12592.5287 0 66 12895.0000 12592.5287 2.35% - 1s 0 0 12593.2035 0 71 12895.0000 12593.2035 2.34% - 1s 0 0 12593.5249 0 65 12895.0000 12593.5249 2.34% - 1s 0 0 12593.7631 0 69 12895.0000 12593.7631 2.34% - 1s 0 0 12594.5033 0 64 12895.0000 12594.5033 2.33% - 1s 0 0 12594.9703 0 66 12895.0000 12594.9703 2.33% - 1s 0 0 12595.0057 0 73 12895.0000 12595.0057 2.33% - 1s 0 0 12595.2701 0 70 12895.0000 12595.2701 2.32% - 1s 0 0 12595.5830 0 74 12895.0000 12595.5830 2.32% - 1s 0 0 12596.1410 0 73 12895.0000 12596.1410 2.32% - 1s 0 0 12596.1771 0 76 12895.0000 12596.1771 2.32% - 1s 0 0 12596.5404 0 73 12895.0000 12596.5404 2.31% - 1s 0 0 12596.8726 0 76 12895.0000 12596.8726 2.31% - 2s 0 0 12596.9874 0 70 12895.0000 12596.9874 2.31% - 2s 0 0 12597.0388 0 81 12895.0000 12597.0388 2.31% - 2s 0 0 12597.2260 0 76 12895.0000 12597.2260 2.31% - 2s 0 0 12597.4918 0 75 12895.0000 12597.4918 2.31% - 2s 0 0 12597.6522 0 70 12895.0000 12597.6522 2.31% - 2s 0 0 12597.8570 0 80 12895.0000 12597.8570 2.30% - 2s 0 0 12597.8581 0 81 12895.0000 12597.8581 2.30% - 2s 0 2 12597.8676 0 81 12895.0000 12597.8676 2.30% - 3s * 56 16 54 12892.000000 12621.0625 2.10% 7.4 4s * 118 52 14 12886.000000 12627.8333 2.00% 8.3 4s * 120 50 12 12884.000000 12627.8333 1.99% 8.2 4s 459 163 12789.7500 13 20 12884.0000 12702.0000 1.41% 7.9 5s * 1471 167 26 12883.000000 12766.2500 0.91% 7.5 9s 1673 208 cutoff 20 12883.0000 12780.5000 0.80% 7.2 10s Cutting planes: Gomory: 1 Zero half: 14 Mod-K: 1 Explored 2319 nodes (16204 simplex iterations) in 11.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288300000000e+04, best bound 1.288300000000e+04, gap 0.0% adding cut for [(2, 10), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 889 rows, 1128 columns and 218021 nonzeros Presolve time: 0.13s Presolved: 889 rows, 1128 columns, 218021 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 1s H 0 0 12902.000000 12575.5889 2.53% - 1s 0 0 12586.1938 0 54 12902.0000 12586.1938 2.45% - 1s 0 0 12586.4438 0 62 12902.0000 12586.4438 2.45% - 1s 0 0 12589.8205 0 53 12902.0000 12589.8205 2.42% - 1s 0 0 12589.9600 0 61 12902.0000 12589.9600 2.42% - 1s 0 0 12590.2821 0 65 12902.0000 12590.2821 2.42% - 1s 0 0 12591.4808 0 58 12902.0000 12591.4808 2.41% - 1s 0 0 12591.6125 0 63 12902.0000 12591.6125 2.41% - 1s 0 0 12592.1339 0 58 12902.0000 12592.1339 2.40% - 1s 0 0 12592.1651 0 63 12902.0000 12592.1651 2.40% - 1s 0 0 12592.3444 0 64 12902.0000 12592.3444 2.40% - 1s 0 0 12592.4855 0 66 12902.0000 12592.4855 2.40% - 1s 0 0 12592.8732 0 65 12902.0000 12592.8732 2.40% - 1s 0 0 12593.0835 0 70 12902.0000 12593.0835 2.39% - 1s 0 0 12594.8033 0 58 12902.0000 12594.8033 2.38% - 1s 0 0 12595.1161 0 70 12902.0000 12595.1161 2.38% - 1s 0 0 12595.1902 0 71 12902.0000 12595.1902 2.38% - 1s 0 0 12595.3262 0 72 12902.0000 12595.3262 2.38% - 1s 0 0 12595.3643 0 74 12902.0000 12595.3643 2.38% - 1s 0 0 12595.5858 0 68 12902.0000 12595.5858 2.37% - 1s 0 0 12595.5981 0 71 12902.0000 12595.5981 2.37% - 1s 0 0 12595.6911 0 75 12902.0000 12595.6911 2.37% - 1s 0 0 12595.7011 0 71 12902.0000 12595.7011 2.37% - 2s 0 0 12595.7324 0 75 12902.0000 12595.7324 2.37% - 2s 0 0 12596.1514 0 68 12902.0000 12596.1514 2.37% - 2s 0 0 12596.3384 0 73 12902.0000 12596.3384 2.37% - 2s 0 0 12596.5316 0 73 12902.0000 12596.5316 2.37% - 2s 0 0 12596.5462 0 76 12902.0000 12596.5462 2.37% - 2s 0 0 12596.5993 0 76 12902.0000 12596.5993 2.37% - 2s 0 0 12596.6891 0 78 12902.0000 12596.6891 2.37% - 2s 0 0 12597.5514 0 73 12902.0000 12597.5514 2.36% - 2s 0 0 12597.9943 0 69 12902.0000 12597.9943 2.36% - 2s 0 0 12598.0156 0 73 12902.0000 12598.0156 2.36% - 2s 0 0 12598.4707 0 68 12902.0000 12598.4707 2.35% - 2s 0 0 12598.5049 0 76 12902.0000 12598.5049 2.35% - 2s 0 2 12599.0386 0 76 12902.0000 12599.0386 2.35% - 3s H 27 14 12886.000000 12607.5781 2.16% 11.2 4s * 249 133 13 12884.000000 12653.0000 1.79% 6.9 4s 345 163 12791.9091 8 27 12884.0000 12682.5000 1.56% 7.0 5s * 1290 186 21 12883.000000 12740.1111 1.11% 7.0 9s 1699 194 12850.6250 18 35 12883.0000 12776.0000 0.83% 7.0 10s Cutting planes: Gomory: 1 Zero half: 10 Mod-K: 2 Explored 2337 nodes (16209 simplex iterations) in 10.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288300000000e+04, best bound 1.288200000000e+04, gap 0.0078% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 40), (16, 46), (16, 40), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 890 rows, 1128 columns and 218231 nonzeros Presolve time: 0.12s Presolved: 890 rows, 1128 columns, 218231 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 1s 0 0 12586.1867 0 54 12942.0000 12586.1867 2.75% - 1s 0 0 12586.4367 0 62 12942.0000 12586.4367 2.75% - 1s 0 0 12589.6400 0 55 12942.0000 12589.6400 2.72% - 1s 0 0 12589.7590 0 63 12942.0000 12589.7590 2.72% - 1s 0 0 12589.9763 0 67 12942.0000 12589.9763 2.72% - 1s 0 0 12590.9728 0 60 12942.0000 12590.9728 2.71% - 1s 0 0 12591.1215 0 65 12942.0000 12591.1215 2.71% - 1s 0 0 12591.5080 0 48 12942.0000 12591.5080 2.71% - 1s 0 0 12591.5652 0 54 12942.0000 12591.5652 2.71% - 1s 0 0 12591.7131 0 66 12942.0000 12591.7131 2.71% - 1s 0 0 12591.8994 0 67 12942.0000 12591.8994 2.71% - 1s 0 0 12592.2275 0 67 12942.0000 12592.2275 2.70% - 1s 0 0 12592.2341 0 68 12942.0000 12592.2341 2.70% - 1s 0 0 12592.4155 0 71 12942.0000 12592.4155 2.70% - 1s 0 0 12592.6812 0 71 12942.0000 12592.6812 2.70% - 1s 0 0 12593.1816 0 66 12942.0000 12593.1816 2.70% - 1s 0 0 12593.2441 0 70 12942.0000 12593.2441 2.69% - 1s 0 0 12593.3798 0 71 12942.0000 12593.3798 2.69% - 1s 0 0 12593.6052 0 69 12942.0000 12593.6052 2.69% - 1s 0 0 12593.8255 0 73 12942.0000 12593.8255 2.69% - 1s 0 0 12593.9971 0 71 12942.0000 12593.9971 2.69% - 2s 0 0 12594.5500 0 68 12942.0000 12594.5500 2.68% - 2s 0 0 12594.6238 0 73 12942.0000 12594.6238 2.68% - 2s 0 0 12594.8213 0 72 12942.0000 12594.8213 2.68% - 2s 0 0 12594.8319 0 75 12942.0000 12594.8319 2.68% - 2s 0 0 12594.9935 0 72 12942.0000 12594.9935 2.68% - 2s 0 0 12595.1124 0 69 12942.0000 12595.1124 2.68% - 2s 0 0 12595.1285 0 72 12942.0000 12595.1285 2.68% - 2s 0 0 12595.1394 0 76 12942.0000 12595.1394 2.68% - 2s 0 0 12595.2921 0 67 12942.0000 12595.2921 2.68% - 2s 0 0 12595.2971 0 71 12942.0000 12595.2971 2.68% - 2s H 0 0 12934.000000 12595.2971 2.62% - 3s H 0 0 12909.000000 12595.2971 2.43% - 3s 0 2 12595.5807 0 71 12909.0000 12595.5807 2.43% - 3s * 45 25 17 12903.000000 12616.0476 2.22% 9.3 4s * 46 24 16 12897.000000 12616.0476 2.18% 9.3 4s * 206 106 11 12889.000000 12652.8261 1.83% 8.9 4s 221 118 12817.7143 17 25 12889.0000 12653.8696 1.82% 9.1 5s * 301 134 15 12884.000000 12671.9167 1.65% 9.0 5s 1617 204 cutoff 24 12884.0000 12773.0000 0.86% 7.3 10s * 1686 195 21 12883.000000 12782.5000 0.78% 7.3 10s Cutting planes: Gomory: 1 Zero half: 8 Mod-K: 1 Explored 2230 nodes (15817 simplex iterations) in 10.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288300000000e+04, best bound 1.288300000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (33, 47), (34, 41), (36, 46)] Optimize a model with 891 rows, 1128 columns and 218484 nonzeros Presolve time: 0.13s Presolved: 891 rows, 1128 columns, 218484 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12565.2245 2.51% - 0s 0 0 12575.5889 0 57 12889.0000 12575.5889 2.43% - 0s 0 0 12575.5889 0 50 12889.0000 12575.5889 2.43% - 0s 0 0 12575.5889 0 57 12889.0000 12575.5889 2.43% - 0s 0 0 12584.1818 0 47 12889.0000 12584.1818 2.36% - 0s 0 0 12584.3611 0 62 12889.0000 12584.3611 2.36% - 1s 0 0 12585.2115 0 54 12889.0000 12585.2115 2.36% - 1s 0 0 12585.4398 0 63 12889.0000 12585.4398 2.36% - 1s 0 0 12590.1719 0 44 12889.0000 12590.1719 2.32% - 1s 0 0 12590.3899 0 57 12889.0000 12590.3899 2.32% - 1s 0 0 12590.4001 0 64 12889.0000 12590.4001 2.32% - 1s 0 0 12591.2727 0 50 12889.0000 12591.2727 2.31% - 1s 0 0 12591.3333 0 56 12889.0000 12591.3333 2.31% - 1s 0 0 12591.8487 0 65 12889.0000 12591.8487 2.31% - 1s 0 0 12591.8487 0 61 12889.0000 12591.8487 2.31% - 1s 0 0 12591.8487 0 68 12889.0000 12591.8487 2.31% - 1s 0 0 12591.9244 0 63 12889.0000 12591.9244 2.30% - 1s 0 0 12591.9244 0 67 12889.0000 12591.9244 2.30% - 1s 0 0 12592.0149 0 67 12889.0000 12592.0149 2.30% - 1s 0 0 12592.1481 0 68 12889.0000 12592.1481 2.30% - 1s 0 0 12592.6876 0 67 12889.0000 12592.6876 2.30% - 1s 0 0 12593.4067 0 65 12889.0000 12593.4067 2.29% - 1s 0 0 12594.1303 0 65 12889.0000 12594.1303 2.29% - 1s 0 0 12594.5274 0 71 12889.0000 12594.5274 2.28% - 1s 0 0 12595.4618 0 70 12889.0000 12595.4618 2.28% - 2s 0 0 12595.7198 0 74 12889.0000 12595.7198 2.28% - 2s 0 0 12595.8009 0 75 12889.0000 12595.8009 2.27% - 2s 0 0 12595.9735 0 67 12889.0000 12595.9735 2.27% - 2s 0 0 12596.3307 0 70 12889.0000 12596.3307 2.27% - 2s 0 0 12596.7326 0 65 12889.0000 12596.7326 2.27% - 2s 0 0 12596.7547 0 70 12889.0000 12596.7547 2.27% - 2s 0 0 12596.8067 0 69 12889.0000 12596.8067 2.27% - 2s 0 2 12596.8469 0 69 12889.0000 12596.8469 2.27% - 3s * 445 184 10 12888.000000 12703.5000 1.43% 7.1 4s * 479 194 13 12886.000000 12706.6667 1.39% 7.1 4s * 523 209 16 12884.000000 12712.8273 1.33% 7.0 4s 706 227 12839.6667 11 57 12884.0000 12741.0000 1.11% 6.8 5s * 1704 215 21 12883.000000 12756.0000 0.99% 7.3 8s 2300 131 12820.3333 22 20 12883.0000 12819.5000 0.49% 7.2 10s Cutting planes: Gomory: 1 Zero half: 11 Explored 2567 nodes (18500 simplex iterations) in 10.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288300000000e+04, best bound 1.288300000000e+04, gap 0.0% adding cut for [(2, 23), (2, 38), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 892 rows, 1128 columns and 218715 nonzeros Presolve time: 0.13s Presolved: 892 rows, 1128 columns, 218715 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12892.000000 12565.2245 2.53% - 0s 0 0 12575.5889 0 57 12892.0000 12575.5889 2.45% - 0s 0 0 12575.5889 0 50 12892.0000 12575.5889 2.45% - 0s 0 0 12575.5889 0 57 12892.0000 12575.5889 2.45% - 1s 0 0 12584.1818 0 47 12892.0000 12584.1818 2.39% - 1s 0 0 12584.3611 0 62 12892.0000 12584.3611 2.39% - 1s 0 0 12585.2115 0 54 12892.0000 12585.2115 2.38% - 1s 0 0 12585.4398 0 63 12892.0000 12585.4398 2.38% - 1s 0 0 12587.9312 0 60 12892.0000 12587.9312 2.36% - 1s 0 0 12588.0833 0 65 12892.0000 12588.0833 2.36% - 1s 0 0 12588.5071 0 58 12892.0000 12588.5071 2.35% - 1s 0 0 12588.6087 0 61 12892.0000 12588.6087 2.35% - 1s 0 0 12588.7426 0 66 12892.0000 12588.7426 2.35% - 1s 0 0 12589.0287 0 67 12892.0000 12589.0287 2.35% - 1s 0 0 12589.3345 0 66 12892.0000 12589.3345 2.35% - 1s 0 0 12590.1683 0 65 12892.0000 12590.1683 2.34% - 1s 0 0 12590.3136 0 66 12892.0000 12590.3136 2.34% - 1s 0 0 12590.3995 0 65 12892.0000 12590.3995 2.34% - 1s 0 0 12590.4650 0 67 12892.0000 12590.4650 2.34% - 1s 0 0 12590.6776 0 67 12892.0000 12590.6776 2.34% - 1s 0 0 12592.3974 0 55 12892.0000 12592.3974 2.32% - 1s 0 0 12592.6373 0 66 12892.0000 12592.6373 2.32% - 1s 0 0 12593.3787 0 60 12892.0000 12593.3787 2.32% - 1s 0 0 12593.7399 0 77 12892.0000 12593.7399 2.31% - 1s 0 0 12593.7819 0 74 12892.0000 12593.7819 2.31% - 1s 0 0 12593.9777 0 79 12892.0000 12593.9777 2.31% - 1s 0 0 12594.1563 0 68 12892.0000 12594.1563 2.31% - 1s 0 0 12594.2672 0 76 12892.0000 12594.2672 2.31% - 1s 0 0 12594.3545 0 66 12892.0000 12594.3545 2.31% - 2s 0 0 12594.8086 0 69 12892.0000 12594.8086 2.31% - 2s 0 0 12594.9440 0 75 12892.0000 12594.9440 2.30% - 2s 0 0 12595.0678 0 69 12892.0000 12595.0678 2.30% - 2s 0 0 12595.1058 0 71 12892.0000 12595.1058 2.30% - 2s 0 0 12595.1170 0 76 12892.0000 12595.1170 2.30% - 2s 0 0 12595.8030 0 63 12892.0000 12595.8030 2.30% - 2s 0 0 12595.8794 0 72 12892.0000 12595.8794 2.30% - 2s 0 0 12596.2367 0 75 12892.0000 12596.2367 2.29% - 2s 0 0 12596.3523 0 78 12892.0000 12596.3523 2.29% - 2s 0 0 12596.4945 0 70 12892.0000 12596.4945 2.29% - 2s 0 0 12596.5573 0 76 12892.0000 12596.5573 2.29% - 2s 0 0 12596.5645 0 75 12892.0000 12596.5645 2.29% - 2s 0 0 12596.5709 0 75 12892.0000 12596.5709 2.29% - 2s H 0 0 12884.000000 12596.5709 2.23% - 3s 0 2 12596.5787 0 75 12884.0000 12596.5787 2.23% - 3s * 48 21 42 12883.000000 12615.6447 2.08% 5.3 4s 324 147 12836.7143 10 24 12883.0000 12677.2632 1.60% 7.3 5s 1574 213 12846.0000 36 23 12883.0000 12760.0000 0.95% 7.4 10s Cutting planes: Gomory: 1 Zero half: 13 Mod-K: 1 Explored 2443 nodes (17435 simplex iterations) in 11.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288300000000e+04, best bound 1.288200000000e+04, gap 0.0078% adding cut for [(33, 36), (2, 9), (2, 24), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 893 rows, 1128 columns and 218925 nonzeros Presolve time: 0.12s Presolved: 893 rows, 1128 columns, 218925 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256522e+04, 134 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12565.2245 0 50 47372.0000 12565.2245 73.5% - 0s Another try with MIP start H 0 0 12942.000000 12565.2245 2.91% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 50 12942.0000 12575.5889 2.83% - 0s 0 0 12575.5889 0 57 12942.0000 12575.5889 2.83% - 1s 0 0 12586.1867 0 54 12942.0000 12586.1867 2.75% - 1s 0 0 12586.4367 0 62 12942.0000 12586.4367 2.75% - 1s 0 0 12589.6400 0 55 12942.0000 12589.6400 2.72% - 1s 0 0 12589.7590 0 63 12942.0000 12589.7590 2.72% - 1s 0 0 12589.9763 0 67 12942.0000 12589.9763 2.72% - 1s 0 0 12590.9728 0 60 12942.0000 12590.9728 2.71% - 1s 0 0 12591.1216 0 65 12942.0000 12591.1216 2.71% - 1s 0 0 12591.5727 0 60 12942.0000 12591.5727 2.71% - 1s 0 0 12591.6026 0 65 12942.0000 12591.6026 2.71% - 1s 0 0 12591.8587 0 66 12942.0000 12591.8587 2.71% - 1s 0 0 12592.0475 0 67 12942.0000 12592.0475 2.70% - 1s 0 0 12592.2677 0 72 12942.0000 12592.2677 2.70% - 1s 0 0 12594.0267 0 73 12942.0000 12594.0267 2.69% - 1s 0 0 12594.2269 0 69 12942.0000 12594.2269 2.69% - 1s 0 0 12594.4325 0 70 12942.0000 12594.4325 2.69% - 1s 0 0 12594.5051 0 75 12942.0000 12594.5051 2.69% - 1s 0 0 12594.5723 0 74 12942.0000 12594.5723 2.68% - 1s 0 0 12594.7432 0 72 12942.0000 12594.7432 2.68% - 1s 0 0 12594.7694 0 77 12942.0000 12594.7694 2.68% - 1s 0 0 12594.7860 0 76 12942.0000 12594.7860 2.68% - 1s 0 0 12594.7866 0 78 12942.0000 12594.7866 2.68% - 1s 0 0 12594.9821 0 73 12942.0000 12594.9821 2.68% - 2s 0 0 12595.3041 0 71 12942.0000 12595.3041 2.68% - 2s 0 0 12595.3381 0 74 12942.0000 12595.3381 2.68% - 2s 0 0 12595.3701 0 76 12942.0000 12595.3701 2.68% - 2s 0 0 12595.5022 0 69 12942.0000 12595.5022 2.68% - 2s 0 0 12595.6561 0 75 12942.0000 12595.6561 2.68% - 2s 0 0 12595.9484 0 59 12942.0000 12595.9484 2.67% - 2s 0 0 12596.3604 0 69 12942.0000 12596.3604 2.67% - 2s 0 0 12596.3982 0 76 12942.0000 12596.3982 2.67% - 2s 0 0 12596.4709 0 74 12942.0000 12596.4709 2.67% - 2s 0 0 12596.5491 0 78 12942.0000 12596.5491 2.67% - 2s 0 0 12596.5915 0 74 12942.0000 12596.5915 2.67% - 2s 0 0 12596.6039 0 78 12942.0000 12596.6039 2.67% - 2s 0 0 12596.9947 0 72 12942.0000 12596.9947 2.67% - 2s 0 0 12597.2051 0 78 12942.0000 12597.2051 2.66% - 2s 0 0 12597.2702 0 79 12942.0000 12597.2702 2.66% - 3s 0 0 12599.0770 0 69 12942.0000 12599.0770 2.65% - 3s 0 0 12599.2531 0 74 12942.0000 12599.2531 2.65% - 3s H 0 0 12927.000000 12599.2531 2.54% - 4s H 0 0 12909.000000 12599.2531 2.40% - 4s 0 2 12599.2987 0 74 12909.0000 12599.2987 2.40% - 4s H 27 24 12884.000000 12610.7476 2.12% 6.6 4s 54 27 12767.4500 52 31 12884.0000 12610.7476 2.12% 5.6 5s 1188 222 12809.6500 21 37 12884.0000 12725.4000 1.23% 7.5 10s Cutting planes: Gomory: 1 Zero half: 6 Mod-K: 6 Explored 2568 nodes (17965 simplex iterations) in 12.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288400000000e+04, best bound 1.288400000000e+04, gap 0.0% adding cut for [(2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 10), (10, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 36), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 894 rows, 1128 columns and 219096 nonzeros Presolve time: 0.13s Presolved: 894 rows, 1128 columns, 219096 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.8077 0 45 12902.0000 12590.8077 2.41% - 0s 0 0 12591.7419 0 45 12902.0000 12591.7419 2.40% - 0s 0 0 12591.8141 0 57 12902.0000 12591.8141 2.40% - 1s 0 0 12597.2819 0 48 12902.0000 12597.2819 2.36% - 1s 0 0 12599.8146 0 54 12902.0000 12599.8146 2.34% - 1s 0 0 12600.3693 0 51 12902.0000 12600.3693 2.34% - 1s 0 0 12600.3910 0 46 12902.0000 12600.3910 2.34% - 1s 0 0 12600.4168 0 62 12902.0000 12600.4168 2.34% - 1s 0 0 12601.2518 0 56 12902.0000 12601.2518 2.33% - 1s 0 0 12601.4754 0 53 12902.0000 12601.4754 2.33% - 1s 0 0 12601.5224 0 63 12902.0000 12601.5224 2.33% - 1s 0 0 12601.5260 0 65 12902.0000 12601.5260 2.33% - 1s 0 0 12601.5994 0 50 12902.0000 12601.5994 2.33% - 1s 0 0 12601.6660 0 58 12902.0000 12601.6660 2.33% - 1s 0 0 12601.8012 0 56 12902.0000 12601.8012 2.33% - 1s 0 0 12601.8169 0 62 12902.0000 12601.8169 2.33% - 1s 0 0 12601.8406 0 64 12902.0000 12601.8406 2.33% - 1s 0 0 12601.8741 0 62 12902.0000 12601.8741 2.33% - 1s 0 0 12601.9031 0 66 12902.0000 12601.9031 2.33% - 1s 0 2 12602.2829 0 66 12902.0000 12602.2829 2.32% - 2s H 73 45 12889.000000 12634.3333 1.98% 6.1 3s * 203 104 27 12888.000000 12655.0000 1.81% 6.2 3s * 365 149 12 12884.000000 12693.3333 1.48% 6.6 3s 601 184 12841.1429 10 34 12884.0000 12720.0000 1.27% 6.9 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 1 Explored 2340 nodes (15077 simplex iterations) in 9.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288400000000e+04, best bound 1.288400000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (10, 23), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 895 rows, 1128 columns and 219349 nonzeros Presolve time: 0.13s Presolved: 895 rows, 1128 columns, 219349 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12566.1429 2.56% - 0s 0 0 12590.0000 0 34 12896.0000 12590.0000 2.37% - 0s 0 0 12590.0000 0 49 12896.0000 12590.0000 2.37% - 0s 0 0 12590.8077 0 45 12896.0000 12590.8077 2.37% - 1s 0 0 12591.7419 0 45 12896.0000 12591.7419 2.36% - 1s 0 0 12591.8492 0 57 12896.0000 12591.8492 2.36% - 1s 0 0 12597.7984 0 46 12896.0000 12597.7984 2.31% - 1s 0 0 12597.9137 0 55 12896.0000 12597.9137 2.31% - 1s 0 0 12599.9686 0 63 12896.0000 12599.9686 2.30% - 1s 0 0 12600.5687 0 54 12896.0000 12600.5687 2.29% - 1s 0 0 12600.8163 0 57 12896.0000 12600.8163 2.29% - 1s 0 0 12601.0658 0 61 12896.0000 12601.0658 2.29% - 1s 0 0 12601.2101 0 64 12896.0000 12601.2101 2.29% - 1s 0 0 12601.2359 0 66 12896.0000 12601.2359 2.29% - 1s 0 0 12601.4974 0 61 12896.0000 12601.4974 2.28% - 1s 0 0 12601.8568 0 59 12896.0000 12601.8568 2.28% - 1s 0 2 12602.2364 0 59 12896.0000 12602.2364 2.28% - 2s H 33 17 12885.000000 12635.9286 1.93% 11.8 2s * 199 117 14 12884.000000 12664.7143 1.70% 7.2 3s 611 238 12776.0000 17 59 12884.0000 12725.1538 1.23% 6.6 5s Cutting planes: Gomory: 5 Zero half: 4 Mod-K: 2 Explored 2486 nodes (17038 simplex iterations) in 9.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288400000000e+04, best bound 1.288400000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (16, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 896 rows, 1128 columns and 219580 nonzeros Presolve time: 0.13s Presolved: 896 rows, 1128 columns, 219580 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.8077 0 45 12902.0000 12590.8077 2.41% - 0s 0 0 12591.7419 0 45 12902.0000 12591.7419 2.40% - 1s 0 0 12591.8141 0 57 12902.0000 12591.8141 2.40% - 1s 0 0 12597.2819 0 48 12902.0000 12597.2819 2.36% - 1s 0 0 12599.8146 0 54 12902.0000 12599.8146 2.34% - 1s 0 0 12600.3693 0 51 12902.0000 12600.3693 2.34% - 1s 0 0 12600.3910 0 46 12902.0000 12600.3910 2.34% - 1s 0 0 12600.4168 0 62 12902.0000 12600.4168 2.34% - 1s 0 0 12601.2518 0 56 12902.0000 12601.2518 2.33% - 1s 0 0 12601.4754 0 53 12902.0000 12601.4754 2.33% - 1s 0 0 12601.5224 0 63 12902.0000 12601.5224 2.33% - 1s 0 0 12601.5260 0 65 12902.0000 12601.5260 2.33% - 1s 0 0 12601.5994 0 50 12902.0000 12601.5994 2.33% - 1s 0 0 12601.6660 0 58 12902.0000 12601.6660 2.33% - 1s 0 0 12601.8012 0 56 12902.0000 12601.8012 2.33% - 1s 0 0 12601.8169 0 62 12902.0000 12601.8169 2.33% - 1s 0 0 12601.8406 0 64 12902.0000 12601.8406 2.33% - 1s 0 0 12601.8741 0 62 12902.0000 12601.8741 2.33% - 1s 0 0 12601.9031 0 66 12902.0000 12601.9031 2.33% - 1s 0 2 12602.2829 0 66 12902.0000 12602.2829 2.32% - 2s H 64 37 12889.000000 12634.3333 1.98% 6.2 3s * 242 117 18 12888.000000 12667.7200 1.71% 6.3 3s * 424 188 16 12884.000000 12693.5000 1.48% 6.4 3s 601 227 12802.0000 10 34 12884.0000 12720.7143 1.27% 6.7 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 1 Explored 2339 nodes (15374 simplex iterations) in 9.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288400000000e+04, best bound 1.288300000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (12, 21), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 897 rows, 1128 columns and 219770 nonzeros Presolve time: 0.13s Presolved: 897 rows, 1128 columns, 219770 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.8077 0 45 12902.0000 12590.8077 2.41% - 1s 0 0 12591.7419 0 45 12902.0000 12591.7419 2.40% - 1s 0 0 12591.8141 0 57 12902.0000 12591.8141 2.40% - 1s 0 0 12597.2819 0 48 12902.0000 12597.2819 2.36% - 1s 0 0 12599.8146 0 54 12902.0000 12599.8146 2.34% - 1s 0 0 12600.3693 0 51 12902.0000 12600.3693 2.34% - 1s 0 0 12600.3910 0 46 12902.0000 12600.3910 2.34% - 1s 0 0 12600.4168 0 62 12902.0000 12600.4168 2.34% - 1s 0 0 12601.2518 0 56 12902.0000 12601.2518 2.33% - 1s 0 0 12601.4754 0 53 12902.0000 12601.4754 2.33% - 1s 0 0 12601.5224 0 63 12902.0000 12601.5224 2.33% - 1s 0 0 12601.5260 0 65 12902.0000 12601.5260 2.33% - 1s 0 0 12601.5994 0 50 12902.0000 12601.5994 2.33% - 1s 0 0 12601.6660 0 58 12902.0000 12601.6660 2.33% - 1s 0 0 12601.8012 0 56 12902.0000 12601.8012 2.33% - 1s 0 0 12601.8169 0 62 12902.0000 12601.8169 2.33% - 1s 0 0 12601.8406 0 64 12902.0000 12601.8406 2.33% - 1s 0 0 12601.8741 0 62 12902.0000 12601.8741 2.33% - 1s 0 0 12601.9031 0 66 12902.0000 12601.9031 2.33% - 1s 0 2 12602.2829 0 66 12902.0000 12602.2829 2.32% - 2s * 131 78 29 12892.000000 12638.6481 1.97% 5.9 3s H 172 106 12886.000000 12655.0000 1.79% 5.9 3s * 535 188 12 12885.000000 12709.4667 1.36% 6.5 4s 701 223 12792.0000 10 34 12885.0000 12725.5714 1.24% 6.6 5s * 1449 222 25 12884.000000 12745.8000 1.07% 7.3 8s 2491 172 12869.6667 21 17 12884.0000 12811.0000 0.57% 7.1 10s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 1 Explored 2853 nodes (20356 simplex iterations) in 10.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288400000000e+04, best bound 1.288400000000e+04, gap 0.0% adding cut for [(4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 898 rows, 1128 columns and 220001 nonzeros Presolve time: 0.13s Presolved: 898 rows, 1128 columns, 220001 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12886.000000 12566.1429 2.48% - 0s 0 0 12590.0000 0 34 12886.0000 12590.0000 2.30% - 0s 0 0 12590.0000 0 49 12886.0000 12590.0000 2.30% - 0s 0 0 12591.7419 0 45 12886.0000 12591.7419 2.28% - 0s 0 0 12598.2107 0 47 12886.0000 12598.2107 2.23% - 1s 0 0 12600.1977 0 53 12886.0000 12600.1977 2.22% - 1s 0 0 12604.1901 0 45 12886.0000 12604.1901 2.19% - 1s 0 0 12604.3200 0 53 12886.0000 12604.3200 2.19% - 1s 0 0 12606.3120 0 42 12886.0000 12606.3120 2.17% - 1s 0 0 12608.5450 0 56 12886.0000 12608.5450 2.15% - 1s 0 0 12608.7021 0 56 12886.0000 12608.7021 2.15% - 1s 0 0 12609.3285 0 41 12886.0000 12609.3285 2.15% - 1s 0 0 12609.5909 0 61 12886.0000 12609.5909 2.15% - 1s 0 0 12610.1042 0 57 12886.0000 12610.1042 2.14% - 1s 0 0 12610.2387 0 53 12886.0000 12610.2387 2.14% - 1s 0 2 12610.5364 0 53 12886.0000 12610.5364 2.14% - 2s * 557 265 38 12884.000000 12691.2500 1.50% 5.6 3s 701 285 12844.5455 23 34 12884.0000 12714.5000 1.32% 6.0 5s Cutting planes: Gomory: 7 Zero half: 5 Explored 2864 nodes (18679 simplex iterations) in 9.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288400000000e+04, best bound 1.288400000000e+04, gap 0.0% adding cut for [(33, 36), (4, 40), (7, 37), (7, 28), (10, 40), (10, 31), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (22, 47), (30, 43), (30, 36), (31, 44)] Optimize a model with 899 rows, 1128 columns and 220191 nonzeros Presolve time: 0.13s Presolved: 899 rows, 1128 columns, 220191 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12566.1429 2.56% - 0s 0 0 12590.0000 0 34 12896.0000 12590.0000 2.37% - 0s 0 0 12590.0000 0 49 12896.0000 12590.0000 2.37% - 0s 0 0 12590.8077 0 45 12896.0000 12590.8077 2.37% - 0s 0 0 12591.7419 0 45 12896.0000 12591.7419 2.36% - 1s 0 0 12591.8492 0 57 12896.0000 12591.8492 2.36% - 1s 0 0 12597.7984 0 46 12896.0000 12597.7984 2.31% - 1s 0 0 12597.9137 0 55 12896.0000 12597.9137 2.31% - 1s 0 0 12599.9686 0 63 12896.0000 12599.9686 2.30% - 1s 0 0 12600.5687 0 54 12896.0000 12600.5687 2.29% - 1s 0 0 12600.8163 0 57 12896.0000 12600.8163 2.29% - 1s 0 0 12601.0658 0 61 12896.0000 12601.0658 2.29% - 1s 0 0 12601.2101 0 64 12896.0000 12601.2101 2.29% - 1s 0 0 12601.2359 0 66 12896.0000 12601.2359 2.29% - 1s 0 0 12601.4180 0 60 12896.0000 12601.4180 2.28% - 1s 0 0 12601.6670 0 66 12896.0000 12601.6670 2.28% - 1s 0 0 12601.7422 0 58 12896.0000 12601.7422 2.28% - 1s 0 0 12601.8242 0 65 12896.0000 12601.8242 2.28% - 1s 0 0 12602.1020 0 57 12896.0000 12602.1020 2.28% - 1s 0 0 12602.1580 0 64 12896.0000 12602.1580 2.28% - 1s 0 0 12602.1739 0 64 12896.0000 12602.1739 2.28% - 1s 0 0 12602.4543 0 65 12896.0000 12602.4543 2.28% - 1s 0 0 12602.8120 0 65 12896.0000 12602.8120 2.27% - 1s 0 0 12602.8304 0 66 12896.0000 12602.8304 2.27% - 1s 0 0 12602.8732 0 61 12896.0000 12602.8732 2.27% - 1s 0 0 12602.9154 0 66 12896.0000 12602.9154 2.27% - 2s 0 0 12603.0313 0 64 12896.0000 12603.0313 2.27% - 2s 0 0 12603.0948 0 65 12896.0000 12603.0948 2.27% - 2s 0 0 12603.2568 0 62 12896.0000 12603.2568 2.27% - 2s 0 0 12603.2671 0 67 12896.0000 12603.2671 2.27% - 2s 0 0 12603.5108 0 66 12896.0000 12603.5108 2.27% - 2s 0 0 12603.7670 0 66 12896.0000 12603.7670 2.27% - 2s 0 2 12604.1277 0 66 12896.0000 12604.1277 2.26% - 3s * 159 89 21 12885.000000 12647.5000 1.84% 6.4 4s 601 205 12734.0139 8 34 12885.0000 12727.5455 1.22% 6.5 6s * 1589 251 26 12884.000000 12734.7656 1.16% 7.3 9s 2072 257 12833.6667 24 13 12884.0000 12768.4000 0.90% 7.2 10s Cutting planes: Gomory: 4 Zero half: 6 Explored 3032 nodes (21619 simplex iterations) in 11.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288400000000e+04, best bound 1.288400000000e+04, gap 0.0% adding cut for [(2, 23), (2, 38), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (13, 21), (13, 33), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 900 rows, 1128 columns and 220422 nonzeros Presolve time: 0.13s Presolved: 900 rows, 1128 columns, 220422 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12892.000000 12566.1429 2.53% - 0s 0 0 12590.0000 0 34 12892.0000 12590.0000 2.34% - 0s 0 0 12590.0000 0 49 12892.0000 12590.0000 2.34% - 0s 0 0 12590.7692 0 37 12892.0000 12590.7692 2.34% - 0s 0 0 12598.1500 0 45 12892.0000 12598.1500 2.28% - 1s 0 0 12599.2667 0 40 12892.0000 12599.2667 2.27% - 1s 0 0 12600.7523 0 54 12892.0000 12600.7523 2.26% - 1s 0 0 12602.8372 0 59 12892.0000 12602.8372 2.24% - 1s 0 0 12603.1521 0 51 12892.0000 12603.1521 2.24% - 1s 0 0 12603.2596 0 59 12892.0000 12603.2596 2.24% - 1s 0 0 12603.3290 0 53 12892.0000 12603.3290 2.24% - 1s 0 0 12603.4192 0 67 12892.0000 12603.4192 2.24% - 1s 0 0 12604.1154 0 59 12892.0000 12604.1154 2.23% - 1s 0 0 12604.1793 0 66 12892.0000 12604.1793 2.23% - 1s 0 0 12604.5553 0 61 12892.0000 12604.5553 2.23% - 1s 0 0 12604.6407 0 69 12892.0000 12604.6407 2.23% - 1s 0 0 12604.9238 0 64 12892.0000 12604.9238 2.23% - 1s 0 0 12605.0008 0 63 12892.0000 12605.0008 2.23% - 1s 0 0 12605.3159 0 69 12892.0000 12605.3159 2.22% - 1s 0 0 12605.4705 0 63 12892.0000 12605.4705 2.22% - 1s 0 0 12605.5915 0 67 12892.0000 12605.5915 2.22% - 1s 0 0 12605.6173 0 70 12892.0000 12605.6173 2.22% - 1s 0 0 12605.6864 0 72 12892.0000 12605.6864 2.22% - 1s 0 0 12605.6938 0 72 12892.0000 12605.6938 2.22% - 1s 0 2 12605.7544 0 72 12892.0000 12605.7544 2.22% - 2s * 212 89 11 12891.000000 12664.6923 1.76% 7.8 3s * 295 116 18 12886.000000 12675.7500 1.63% 7.6 3s 601 176 12799.0000 8 34 12886.0000 12738.0000 1.15% 7.4 5s * 745 191 26 12885.000000 12738.0000 1.14% 8.1 7s Cutting planes: Gomory: 4 Zero half: 11 Explored 2091 nodes (15595 simplex iterations) in 9.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288500000000e+04, best bound 1.288400000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 33), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 901 rows, 1128 columns and 220675 nonzeros Presolve time: 0.13s Presolved: 901 rows, 1128 columns, 220675 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.8077 0 45 12902.0000 12590.8077 2.41% - 0s 0 0 12591.7419 0 45 12902.0000 12591.7419 2.40% - 1s 0 0 12591.8141 0 57 12902.0000 12591.8141 2.40% - 1s 0 0 12597.2819 0 48 12902.0000 12597.2819 2.36% - 1s 0 0 12599.8146 0 54 12902.0000 12599.8146 2.34% - 1s 0 0 12600.3693 0 51 12902.0000 12600.3693 2.34% - 1s 0 0 12600.3910 0 46 12902.0000 12600.3910 2.34% - 1s 0 0 12600.4168 0 62 12902.0000 12600.4168 2.34% - 1s 0 0 12601.2518 0 56 12902.0000 12601.2518 2.33% - 1s 0 0 12601.4754 0 53 12902.0000 12601.4754 2.33% - 1s 0 0 12601.5224 0 63 12902.0000 12601.5224 2.33% - 1s 0 0 12601.5260 0 65 12902.0000 12601.5260 2.33% - 1s 0 0 12601.5994 0 50 12902.0000 12601.5994 2.33% - 1s 0 0 12601.6660 0 58 12902.0000 12601.6660 2.33% - 1s 0 0 12601.8012 0 56 12902.0000 12601.8012 2.33% - 1s 0 0 12601.8169 0 62 12902.0000 12601.8169 2.33% - 1s 0 0 12601.8406 0 64 12902.0000 12601.8406 2.33% - 1s 0 0 12601.8741 0 62 12902.0000 12601.8741 2.33% - 1s 0 0 12601.9031 0 66 12902.0000 12601.9031 2.33% - 1s 0 2 12602.2829 0 66 12902.0000 12602.2829 2.32% - 2s * 131 78 29 12892.000000 12638.6481 1.97% 5.9 3s * 200 119 11 12891.000000 12655.2439 1.83% 6.0 3s * 293 135 14 12888.000000 12667.7200 1.71% 6.0 3s * 338 148 21 12886.000000 12679.7143 1.60% 6.3 3s * 479 188 12 12885.000000 12696.9031 1.46% 6.3 4s 604 200 12751.0000 26 34 12885.0000 12715.0000 1.32% 6.3 5s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 1 Explored 2654 nodes (18286 simplex iterations) in 9.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288500000000e+04, best bound 1.288400000000e+04, gap 0.0078% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (9, 23), (10, 38), (12, 13), (13, 16), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 902 rows, 1128 columns and 220951 nonzeros Presolve time: 0.13s Presolved: 902 rows, 1128 columns, 220951 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.8077 0 45 12902.0000 12590.8077 2.41% - 1s 0 0 12591.7419 0 45 12902.0000 12591.7419 2.40% - 1s 0 0 12591.8141 0 57 12902.0000 12591.8141 2.40% - 1s 0 0 12597.2819 0 48 12902.0000 12597.2819 2.36% - 1s 0 0 12599.8146 0 54 12902.0000 12599.8146 2.34% - 1s 0 0 12600.3693 0 51 12902.0000 12600.3693 2.34% - 1s 0 0 12600.3910 0 46 12902.0000 12600.3910 2.34% - 1s 0 0 12600.4168 0 62 12902.0000 12600.4168 2.34% - 1s 0 0 12601.2518 0 56 12902.0000 12601.2518 2.33% - 1s 0 0 12601.4754 0 53 12902.0000 12601.4754 2.33% - 1s 0 0 12601.5224 0 63 12902.0000 12601.5224 2.33% - 1s 0 0 12601.5260 0 65 12902.0000 12601.5260 2.33% - 1s 0 0 12601.5994 0 50 12902.0000 12601.5994 2.33% - 1s 0 0 12601.6660 0 58 12902.0000 12601.6660 2.33% - 1s 0 0 12601.8012 0 56 12902.0000 12601.8012 2.33% - 1s 0 0 12601.8169 0 62 12902.0000 12601.8169 2.33% - 1s 0 0 12601.8406 0 64 12902.0000 12601.8406 2.33% - 1s 0 0 12601.8741 0 62 12902.0000 12601.8741 2.33% - 1s 0 0 12601.9031 0 66 12902.0000 12601.9031 2.33% - 1s 0 2 12602.2829 0 66 12902.0000 12602.2829 2.32% - 2s * 131 78 29 12892.000000 12638.6481 1.97% 5.9 3s * 200 119 11 12891.000000 12655.2439 1.83% 6.0 3s * 293 135 14 12888.000000 12667.7200 1.71% 6.0 3s * 338 148 21 12886.000000 12679.7143 1.60% 6.3 3s * 552 187 10 12885.000000 12709.4667 1.36% 6.3 4s 701 242 12780.0000 10 34 12885.0000 12721.5333 1.27% 6.4 5s 2500 24 cutoff 22 12885.0000 12866.8000 0.14% 6.5 10s Cutting planes: Gomory: 4 Zero half: 4 Mod-K: 1 Explored 2527 nodes (16697 simplex iterations) in 10.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288500000000e+04, best bound 1.288500000000e+04, gap 0.0% adding cut for [(33, 46), (36, 46), (7, 37), (7, 28), (8, 19), (8, 28), (10, 38), (10, 16), (13, 16), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44)] Optimize a model with 903 rows, 1128 columns and 221161 nonzeros Presolve time: 0.13s Presolved: 903 rows, 1128 columns, 221161 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12591.7889 0 57 12902.0000 12591.7889 2.40% - 1s 0 0 12597.5657 0 45 12902.0000 12597.5657 2.36% - 1s 0 0 12598.9983 0 59 12902.0000 12598.9983 2.35% - 1s 0 0 12599.5623 0 57 12902.0000 12599.5623 2.34% - 1s 0 0 12600.1530 0 55 12902.0000 12600.1530 2.34% - 1s 0 0 12600.2460 0 63 12902.0000 12600.2460 2.34% - 1s 0 0 12600.4075 0 61 12902.0000 12600.4075 2.34% - 1s 0 0 12600.8955 0 64 12902.0000 12600.8955 2.33% - 1s 0 0 12601.7999 0 57 12902.0000 12601.7999 2.33% - 1s 0 0 12601.8420 0 64 12902.0000 12601.8420 2.33% - 1s 0 0 12601.8623 0 67 12902.0000 12601.8623 2.33% - 1s 0 0 12602.0191 0 62 12902.0000 12602.0191 2.33% - 1s 0 0 12602.0483 0 69 12902.0000 12602.0483 2.32% - 1s 0 0 12602.0825 0 67 12902.0000 12602.0825 2.32% - 1s 0 0 12602.1233 0 70 12902.0000 12602.1233 2.32% - 1s 0 0 12602.1435 0 65 12902.0000 12602.1435 2.32% - 1s 0 0 12602.1550 0 72 12902.0000 12602.1550 2.32% - 1s 0 0 12602.4116 0 65 12902.0000 12602.4116 2.32% - 1s 0 0 12603.2672 0 51 12902.0000 12603.2672 2.32% - 1s 0 0 12603.3498 0 52 12902.0000 12603.3498 2.31% - 1s 0 0 12603.3498 0 52 12902.0000 12603.3498 2.31% - 2s 0 2 12603.6297 0 52 12902.0000 12603.6297 2.31% - 2s * 66 23 63 12899.000000 12621.6364 2.15% 5.4 3s * 82 34 19 12896.000000 12635.9286 2.02% 5.6 3s * 110 48 20 12891.000000 12640.0000 1.95% 6.2 3s * 285 138 9 12890.000000 12676.3000 1.66% 5.9 3s * 484 202 12 12889.000000 12710.0000 1.39% 6.2 4s * 529 223 11 12888.000000 12712.0000 1.37% 6.2 4s * 555 225 10 12886.000000 12714.7500 1.33% 6.2 4s 711 243 12801.5000 5 34 12886.0000 12733.8571 1.18% 6.3 5s H 876 255 12885.000000 12733.8571 1.17% 7.0 7s Cutting planes: Gomory: 4 Zero half: 4 Explored 2515 nodes (16386 simplex iterations) in 9.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288500000000e+04, best bound 1.288500000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 46), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (34, 41), (36, 46)] Optimize a model with 904 rows, 1128 columns and 221414 nonzeros Presolve time: 0.13s Presolved: 904 rows, 1128 columns, 221414 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12893.000000 12566.1429 2.54% - 0s 0 0 12590.0000 0 34 12893.0000 12590.0000 2.35% - 0s 0 0 12590.0000 0 49 12893.0000 12590.0000 2.35% - 0s 0 0 12590.0000 0 34 12893.0000 12590.0000 2.35% - 0s 0 0 12591.7889 0 57 12893.0000 12591.7889 2.34% - 0s 0 0 12597.6364 0 46 12893.0000 12597.6364 2.29% - 1s 0 0 12598.9983 0 59 12893.0000 12598.9983 2.28% - 1s 0 0 12599.6721 0 57 12893.0000 12599.6721 2.28% - 1s 0 0 12600.0531 0 53 12893.0000 12600.0531 2.27% - 1s 0 0 12600.0912 0 55 12893.0000 12600.0912 2.27% - 1s 0 0 12600.0999 0 63 12893.0000 12600.0999 2.27% - 1s 0 0 12600.4954 0 61 12893.0000 12600.4954 2.27% - 1s 0 0 12601.0785 0 65 12893.0000 12601.0785 2.26% - 1s 0 0 12601.4208 0 66 12893.0000 12601.4208 2.26% - 1s 0 0 12601.9627 0 57 12893.0000 12601.9627 2.26% - 1s 0 0 12601.9762 0 65 12893.0000 12601.9762 2.26% - 1s 0 0 12602.0992 0 65 12893.0000 12602.0992 2.26% - 1s 0 0 12602.3106 0 65 12893.0000 12602.3106 2.25% - 1s 0 0 12602.4514 0 64 12893.0000 12602.4514 2.25% - 1s 0 0 12602.6394 0 62 12893.0000 12602.6394 2.25% - 1s 0 2 12602.8222 0 62 12893.0000 12602.8222 2.25% - 2s H 27 12 12888.000000 12635.9286 1.96% 10.0 2s * 260 97 13 12886.000000 12664.1667 1.72% 6.3 3s 603 197 12863.0000 15 49 12886.0000 12721.3906 1.28% 6.4 5s Cutting planes: Gomory: 3 Zero half: 6 Explored 2520 nodes (17108 simplex iterations) in 9.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288600000000e+04, best bound 1.288500000000e+04, gap 0.0078% adding cut for [(2, 10), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (10, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (23, 41), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 905 rows, 1128 columns and 221690 nonzeros Presolve time: 0.13s Presolved: 905 rows, 1128 columns, 221690 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12898.000000 12566.1429 2.57% - 0s 0 0 12590.0000 0 34 12898.0000 12590.0000 2.39% - 0s 0 0 12590.0000 0 49 12898.0000 12590.0000 2.39% - 0s 0 0 12590.0000 0 34 12898.0000 12590.0000 2.39% - 1s 0 0 12591.7889 0 57 12898.0000 12591.7889 2.37% - 1s 0 0 12597.5657 0 45 12898.0000 12597.5657 2.33% - 1s 0 0 12598.8905 0 54 12898.0000 12598.8905 2.32% - 1s 0 0 12599.4176 0 52 12898.0000 12599.4176 2.31% - 1s 0 0 12599.5147 0 60 12898.0000 12599.5147 2.31% - 1s 0 0 12599.5568 0 51 12898.0000 12599.5568 2.31% - 1s 0 0 12599.6511 0 59 12898.0000 12599.6511 2.31% - 1s 0 0 12600.1054 0 61 12898.0000 12600.1054 2.31% - 1s 0 0 12600.2892 0 63 12898.0000 12600.2892 2.31% - 1s 0 0 12600.9161 0 57 12898.0000 12600.9161 2.30% - 1s 0 0 12600.9850 0 65 12898.0000 12600.9850 2.30% - 1s 0 0 12601.5857 0 57 12898.0000 12601.5857 2.30% - 1s 0 0 12601.6717 0 62 12898.0000 12601.6717 2.30% - 1s 0 0 12601.6920 0 66 12898.0000 12601.6920 2.30% - 1s 0 0 12602.0737 0 54 12898.0000 12602.0737 2.29% - 1s 0 0 12602.1033 0 60 12898.0000 12602.1033 2.29% - 1s 0 0 12602.1362 0 58 12898.0000 12602.1362 2.29% - 1s 0 0 12602.1416 0 63 12898.0000 12602.1416 2.29% - 1s 0 0 12602.3545 0 63 12898.0000 12602.3545 2.29% - 1s 0 0 12602.4008 0 66 12898.0000 12602.4008 2.29% - 1s 0 0 12602.7366 0 65 12898.0000 12602.7366 2.29% - 1s 0 0 12602.7817 0 64 12898.0000 12602.7817 2.29% - 1s 0 0 12602.7817 0 64 12898.0000 12602.7817 2.29% - 2s 0 2 12602.7859 0 64 12898.0000 12602.7859 2.29% - 2s H 27 19 12895.000000 12625.5909 2.09% 6.9 3s * 115 67 47 12893.000000 12633.6533 2.01% 5.5 3s H 150 95 12888.000000 12641.0000 1.92% 5.9 3s 601 225 12840.0000 10 34 12888.0000 12712.7500 1.36% 7.0 5s * 817 258 29 12886.000000 12712.7500 1.34% 8.2 7s 2377 197 12882.6667 26 34 12886.0000 12802.5000 0.65% 7.2 10s Cutting planes: Gomory: 3 Zero half: 6 Explored 2815 nodes (20020 simplex iterations) in 10.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288600000000e+04, best bound 1.288600000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (4, 41), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 24), (16, 46), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 906 rows, 1128 columns and 221990 nonzeros Presolve time: 0.13s Presolved: 906 rows, 1128 columns, 221990 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12591.7889 0 57 12902.0000 12591.7889 2.40% - 1s 0 0 12597.5657 0 45 12902.0000 12597.5657 2.36% - 1s 0 0 12598.9983 0 59 12902.0000 12598.9983 2.35% - 1s 0 0 12599.5623 0 57 12902.0000 12599.5623 2.34% - 1s 0 0 12600.1530 0 55 12902.0000 12600.1530 2.34% - 1s 0 0 12600.2460 0 63 12902.0000 12600.2460 2.34% - 1s 0 0 12600.4075 0 61 12902.0000 12600.4075 2.34% - 1s 0 0 12600.8955 0 64 12902.0000 12600.8955 2.33% - 1s 0 0 12601.7999 0 57 12902.0000 12601.7999 2.33% - 1s 0 0 12601.8420 0 64 12902.0000 12601.8420 2.33% - 1s 0 0 12601.8623 0 67 12902.0000 12601.8623 2.33% - 1s 0 0 12602.0369 0 61 12902.0000 12602.0369 2.32% - 1s 0 0 12602.0431 0 59 12902.0000 12602.0431 2.32% - 1s 0 0 12602.0929 0 67 12902.0000 12602.0929 2.32% - 1s 0 0 12602.1276 0 69 12902.0000 12602.1276 2.32% - 1s 0 0 12602.1727 0 65 12902.0000 12602.1727 2.32% - 1s 0 0 12602.2210 0 71 12902.0000 12602.2210 2.32% - 1s 0 0 12602.4241 0 65 12902.0000 12602.4241 2.32% - 1s 0 0 12603.2672 0 51 12902.0000 12603.2672 2.32% - 1s 0 0 12603.3498 0 52 12902.0000 12603.3498 2.31% - 1s 0 0 12603.3498 0 52 12902.0000 12603.3498 2.31% - 2s 0 2 12603.4623 0 52 12902.0000 12603.4623 2.31% - 2s H 27 18 12896.000000 12621.6364 2.13% 8.0 3s * 109 47 19 12891.000000 12641.0000 1.94% 6.2 3s * 395 171 11 12886.000000 12705.1400 1.40% 6.4 4s 601 224 12717.0000 8 34 12886.0000 12717.0000 1.31% 6.5 5s 2685 17 12876.6667 23 25 12886.0000 12872.6667 0.10% 6.5 10s Cutting planes: Gomory: 4 Zero half: 4 Explored 2707 nodes (18040 simplex iterations) in 10.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288600000000e+04, best bound 1.288500000000e+04, gap 0.0078% adding cut for [(33, 46), (4, 38), (7, 37), (7, 28), (8, 19), (8, 28), (12, 13), (13, 33), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 907 rows, 1128 columns and 222161 nonzeros Presolve time: 0.13s Presolved: 907 rows, 1128 columns, 222161 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12566.1429 2.56% - 0s 0 0 12590.0000 0 34 12896.0000 12590.0000 2.37% - 0s 0 0 12590.0000 0 49 12896.0000 12590.0000 2.37% - 0s 0 0 12590.0000 0 34 12896.0000 12590.0000 2.37% - 0s 0 0 12591.7889 0 57 12896.0000 12591.7889 2.36% - 0s 0 0 12597.1765 0 42 12896.0000 12597.1765 2.32% - 1s 0 0 12597.8411 0 54 12896.0000 12597.8411 2.31% - 1s 0 0 12600.7044 0 56 12896.0000 12600.7044 2.29% - 1s 0 0 12600.8418 0 59 12896.0000 12600.8418 2.29% - 1s 0 0 12601.2551 0 57 12896.0000 12601.2551 2.29% - 1s 0 0 12601.6799 0 60 12896.0000 12601.6799 2.28% - 1s 0 0 12602.0022 0 57 12896.0000 12602.0022 2.28% - 1s 0 0 12602.1696 0 61 12896.0000 12602.1696 2.28% - 1s 0 0 12602.4000 0 64 12896.0000 12602.4000 2.28% - 1s 0 0 12602.4612 0 66 12896.0000 12602.4612 2.28% - 1s 0 0 12602.4794 0 66 12896.0000 12602.4794 2.28% - 1s H 0 0 12888.000000 12602.4794 2.22% - 2s 0 2 12602.5333 0 66 12888.0000 12602.5333 2.21% - 2s H 211 104 12886.000000 12646.6667 1.86% 5.5 3s 608 255 12722.0000 40 56 12886.0000 12688.7500 1.53% 5.8 5s Cutting planes: Gomory: 3 Zero half: 7 Explored 2756 nodes (18359 simplex iterations) in 9.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288600000000e+04, best bound 1.288600000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (12, 16), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (34, 41), (36, 46)] Optimize a model with 908 rows, 1128 columns and 222414 nonzeros Presolve time: 0.13s Presolved: 908 rows, 1128 columns, 222414 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12591.7889 0 57 12902.0000 12591.7889 2.40% - 1s 0 0 12597.5657 0 45 12902.0000 12597.5657 2.36% - 1s 0 0 12598.9983 0 59 12902.0000 12598.9983 2.35% - 1s 0 0 12599.5623 0 57 12902.0000 12599.5623 2.34% - 1s 0 0 12600.1530 0 55 12902.0000 12600.1530 2.34% - 1s 0 0 12600.2460 0 63 12902.0000 12600.2460 2.34% - 1s 0 0 12600.4075 0 61 12902.0000 12600.4075 2.34% - 1s 0 0 12600.8955 0 64 12902.0000 12600.8955 2.33% - 1s 0 0 12601.7999 0 57 12902.0000 12601.7999 2.33% - 1s 0 0 12601.8420 0 64 12902.0000 12601.8420 2.33% - 1s 0 0 12601.8623 0 67 12902.0000 12601.8623 2.33% - 1s 0 0 12602.0369 0 61 12902.0000 12602.0369 2.32% - 1s 0 0 12602.0431 0 59 12902.0000 12602.0431 2.32% - 1s 0 0 12602.0929 0 67 12902.0000 12602.0929 2.32% - 1s 0 0 12602.1276 0 69 12902.0000 12602.1276 2.32% - 1s 0 0 12602.1727 0 65 12902.0000 12602.1727 2.32% - 1s 0 0 12602.2210 0 71 12902.0000 12602.2210 2.32% - 1s 0 0 12602.4241 0 65 12902.0000 12602.4241 2.32% - 1s 0 0 12603.2672 0 51 12902.0000 12603.2672 2.32% - 1s 0 0 12603.3498 0 52 12902.0000 12603.3498 2.31% - 1s 0 0 12603.3498 0 52 12902.0000 12603.3498 2.31% - 2s 0 2 12603.6297 0 52 12902.0000 12603.6297 2.31% - 2s H 51 23 12898.000000 12621.6364 2.14% 6.3 3s * 83 34 22 12896.000000 12635.9286 2.02% 5.8 3s * 113 48 19 12894.000000 12641.0000 1.96% 6.0 3s * 138 67 19 12886.000000 12655.0000 1.79% 6.4 3s 601 210 12802.1818 16 34 12886.0000 12714.8438 1.33% 6.4 5s Cutting planes: Gomory: 4 Zero half: 4 Explored 2505 nodes (16756 simplex iterations) in 9.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288600000000e+04, best bound 1.288600000000e+04, gap 0.0% adding cut for [(4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (9, 23), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 46), (21, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 909 rows, 1128 columns and 222604 nonzeros Presolve time: 0.13s Presolved: 909 rows, 1128 columns, 222604 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12591.7889 0 57 12902.0000 12591.7889 2.40% - 1s 0 0 12597.5657 0 45 12902.0000 12597.5657 2.36% - 1s 0 0 12598.9983 0 59 12902.0000 12598.9983 2.35% - 1s 0 0 12599.5623 0 57 12902.0000 12599.5623 2.34% - 1s 0 0 12600.1530 0 55 12902.0000 12600.1530 2.34% - 1s 0 0 12600.2460 0 63 12902.0000 12600.2460 2.34% - 1s 0 0 12600.4075 0 61 12902.0000 12600.4075 2.34% - 1s 0 0 12600.8955 0 64 12902.0000 12600.8955 2.33% - 1s 0 0 12601.7999 0 57 12902.0000 12601.7999 2.33% - 1s 0 0 12601.8420 0 64 12902.0000 12601.8420 2.33% - 1s 0 0 12601.8623 0 67 12902.0000 12601.8623 2.33% - 1s 0 0 12602.0369 0 61 12902.0000 12602.0369 2.32% - 1s 0 0 12602.0431 0 59 12902.0000 12602.0431 2.32% - 1s 0 0 12602.0929 0 67 12902.0000 12602.0929 2.32% - 1s 0 0 12602.1276 0 69 12902.0000 12602.1276 2.32% - 1s 0 0 12602.1727 0 65 12902.0000 12602.1727 2.32% - 1s 0 0 12602.2210 0 71 12902.0000 12602.2210 2.32% - 1s 0 0 12602.4241 0 65 12902.0000 12602.4241 2.32% - 1s 0 0 12603.2672 0 51 12902.0000 12603.2672 2.32% - 1s 0 0 12603.3498 0 52 12902.0000 12603.3498 2.31% - 1s 0 0 12603.3498 0 52 12902.0000 12603.3498 2.31% - 2s 0 2 12603.5826 0 52 12902.0000 12603.5826 2.31% - 2s * 66 23 63 12899.000000 12621.9091 2.15% 5.6 3s * 85 34 22 12896.000000 12635.9286 2.02% 5.5 3s * 252 125 10 12889.000000 12668.0000 1.71% 6.3 3s * 456 171 17 12888.000000 12703.0000 1.44% 6.4 4s 601 187 12881.1429 9 34 12888.0000 12716.4265 1.33% 6.7 5s * 1448 221 18 12886.000000 12739.2500 1.14% 7.4 8s 2573 72 12854.4000 28 15 12886.0000 12844.5000 0.32% 7.2 10s Cutting planes: Gomory: 4 Zero half: 4 Explored 2683 nodes (19445 simplex iterations) in 10.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288600000000e+04, best bound 1.288600000000e+04, gap 0.0% adding cut for [(33, 36), (7, 37), (7, 28), (8, 19), (8, 28), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 33), (21, 47), (30, 36), (30, 43), (31, 44), (31, 46)] Optimize a model with 910 rows, 1128 columns and 222775 nonzeros Presolve time: 0.13s Presolved: 910 rows, 1128 columns, 222775 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12591.7889 0 57 12902.0000 12591.7889 2.40% - 1s 0 0 12597.5657 0 45 12902.0000 12597.5657 2.36% - 1s 0 0 12598.9960 0 59 12902.0000 12598.9960 2.35% - 1s 0 0 12599.5697 0 58 12902.0000 12599.5697 2.34% - 1s 0 0 12600.0086 0 54 12902.0000 12600.0086 2.34% - 1s 0 0 12600.0597 0 62 12902.0000 12600.0597 2.34% - 1s 0 0 12600.7347 0 65 12902.0000 12600.7347 2.34% - 1s 0 0 12601.6485 0 64 12902.0000 12601.6485 2.33% - 1s 0 0 12601.6876 0 59 12902.0000 12601.6876 2.33% - 1s 0 0 12601.8087 0 65 12902.0000 12601.8087 2.33% - 1s 0 0 12601.9373 0 64 12902.0000 12601.9373 2.33% - 1s 0 0 12602.0667 0 67 12902.0000 12602.0667 2.32% - 1s 0 0 12602.7077 0 62 12902.0000 12602.7077 2.32% - 1s 0 0 12602.7739 0 67 12902.0000 12602.7739 2.32% - 1s 0 0 12602.8820 0 61 12902.0000 12602.8820 2.32% - 1s 0 0 12602.8982 0 66 12902.0000 12602.8982 2.32% - 1s 0 2 12602.9789 0 66 12902.0000 12602.9789 2.32% - 2s H 83 23 12896.000000 12633.1028 2.04% 6.2 3s * 424 186 15 12894.000000 12688.5714 1.59% 7.5 4s * 432 188 15 12891.000000 12689.1196 1.57% 7.5 4s * 445 195 19 12887.000000 12698.0000 1.47% 7.5 4s 601 225 12817.0000 14 34 12887.0000 12717.8000 1.31% 7.4 5s * 1809 232 30 12886.000000 12764.6000 0.94% 7.6 9s 2385 130 12854.5000 27 19 12886.0000 12822.0000 0.50% 7.5 10s Cutting planes: Gomory: 4 Zero half: 7 Explored 2654 nodes (19611 simplex iterations) in 10.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288600000000e+04, best bound 1.288600000000e+04, gap 0.0% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 33), (13, 47), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 911 rows, 1128 columns and 223028 nonzeros Presolve time: 0.13s Presolved: 911 rows, 1128 columns, 223028 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12887.000000 12566.1429 2.49% - 0s 0 0 12590.0000 0 34 12887.0000 12590.0000 2.30% - 0s 0 0 12590.0000 0 49 12887.0000 12590.0000 2.30% - 0s 0 0 12590.0000 0 34 12887.0000 12590.0000 2.30% - 0s 0 0 12591.7889 0 57 12887.0000 12591.7889 2.29% - 1s 0 0 12597.5657 0 45 12887.0000 12597.5657 2.25% - 1s 0 0 12598.8871 0 54 12887.0000 12598.8871 2.24% - 1s 0 0 12599.2912 0 60 12887.0000 12599.2912 2.23% - 1s 0 0 12599.5552 0 59 12887.0000 12599.5552 2.23% - 1s 0 0 12600.0894 0 50 12887.0000 12600.0894 2.23% - 1s 0 0 12600.3709 0 53 12887.0000 12600.3709 2.22% - 1s 0 0 12600.3929 0 61 12887.0000 12600.3929 2.22% - 1s 0 0 12600.4521 0 61 12887.0000 12600.4521 2.22% - 1s 0 0 12600.6297 0 63 12887.0000 12600.6297 2.22% - 1s 0 0 12600.7441 0 67 12887.0000 12600.7441 2.22% - 1s 0 0 12601.9000 0 53 12887.0000 12601.9000 2.21% - 1s 0 0 12601.9625 0 63 12887.0000 12601.9625 2.21% - 1s 0 0 12602.2000 0 58 12887.0000 12602.2000 2.21% - 1s 0 0 12602.3135 0 66 12887.0000 12602.3135 2.21% - 1s 0 0 12602.7326 0 64 12887.0000 12602.7326 2.21% - 1s 0 0 12602.7721 0 64 12887.0000 12602.7721 2.21% - 1s 0 2 12603.0182 0 64 12887.0000 12603.0182 2.20% - 2s 601 192 12764.5000 14 34 12887.0000 12717.0000 1.32% 6.6 5s * 1776 265 31 12886.000000 12769.0000 0.91% 7.2 8s Cutting planes: Gomory: 4 Zero half: 7 Explored 2538 nodes (18017 simplex iterations) in 9.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288600000000e+04, best bound 1.288500000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 9), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (13, 16), (16, 46), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 13), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 912 rows, 1128 columns and 223238 nonzeros Presolve time: 0.13s Presolved: 912 rows, 1128 columns, 223238 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 133 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12902.000000 12566.1429 2.60% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 49 12902.0000 12590.0000 2.42% - 0s 0 0 12590.0000 0 34 12902.0000 12590.0000 2.42% - 0s 0 0 12591.7889 0 57 12902.0000 12591.7889 2.40% - 1s 0 0 12597.5657 0 45 12902.0000 12597.5657 2.36% - 1s 0 0 12598.9960 0 59 12902.0000 12598.9960 2.35% - 1s 0 0 12599.5697 0 58 12902.0000 12599.5697 2.34% - 1s 0 0 12600.0086 0 54 12902.0000 12600.0086 2.34% - 1s 0 0 12600.0597 0 62 12902.0000 12600.0597 2.34% - 1s 0 0 12600.7347 0 65 12902.0000 12600.7347 2.34% - 1s 0 0 12601.6485 0 64 12902.0000 12601.6485 2.33% - 1s 0 0 12601.6876 0 59 12902.0000 12601.6876 2.33% - 1s 0 0 12601.8087 0 65 12902.0000 12601.8087 2.33% - 1s 0 0 12601.9373 0 64 12902.0000 12601.9373 2.33% - 1s 0 0 12602.0667 0 67 12902.0000 12602.0667 2.32% - 1s 0 0 12602.3253 0 64 12902.0000 12602.3253 2.32% - 1s 0 0 12602.3684 0 70 12902.0000 12602.3684 2.32% - 1s 0 0 12603.4149 0 54 12902.0000 12603.4149 2.31% - 1s 0 0 12603.5195 0 58 12902.0000 12603.5195 2.31% - 1s 0 0 12603.5825 0 56 12902.0000 12603.5825 2.31% - 1s 0 2 12603.5964 0 56 12902.0000 12603.5964 2.31% - 2s * 66 23 65 12901.000000 12626.7500 2.13% 7.3 3s * 67 22 65 12899.000000 12626.7500 2.11% 7.3 3s * 221 131 18 12898.000000 12640.9010 1.99% 7.3 3s * 272 135 20 12887.000000 12658.6154 1.77% 7.3 3s 601 214 12824.2857 7 34 12887.0000 12717.7857 1.31% 7.7 5s 2251 15 cutoff 49 12887.0000 12873.0000 0.11% 7.3 10s Cutting planes: Gomory: 4 Zero half: 6 Explored 2272 nodes (17012 simplex iterations) in 10.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288700000000e+04, best bound 1.288600000000e+04, gap 0.0078% adding cut for [(4, 40), (7, 37), (7, 28), (10, 38), (10, 40), (8, 19), (8, 28), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (21, 36), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 913 rows, 1128 columns and 223409 nonzeros Presolve time: 0.13s Presolved: 913 rows, 1128 columns, 223409 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12962.000000 12566.1429 3.05% - 0s 0 0 12585.3590 0 50 12962.0000 12585.3590 2.91% - 0s 0 0 12585.3590 0 49 12962.0000 12585.3590 2.91% - 0s 0 0 12585.3590 0 50 12962.0000 12585.3590 2.91% - 1s 0 0 12588.5673 0 59 12962.0000 12588.5673 2.88% - 1s 0 0 12589.2678 0 61 12962.0000 12589.2678 2.88% - 1s 0 0 12590.6614 0 55 12962.0000 12590.6614 2.86% - 1s 0 0 12590.7502 0 63 12962.0000 12590.7502 2.86% - 1s 0 0 12591.3402 0 58 12962.0000 12591.3402 2.86% - 1s 0 0 12591.4965 0 63 12962.0000 12591.4965 2.86% - 1s 0 0 12591.6364 0 50 12962.0000 12591.6364 2.86% - 1s 0 0 12591.6727 0 65 12962.0000 12591.6727 2.86% - 1s 0 0 12591.7756 0 52 12962.0000 12591.7756 2.86% - 1s 0 0 12591.8061 0 65 12962.0000 12591.8061 2.86% - 1s 0 0 12592.0203 0 69 12962.0000 12592.0203 2.85% - 1s 0 0 12592.2758 0 70 12962.0000 12592.2758 2.85% - 1s 0 0 12593.4000 0 37 12962.0000 12593.4000 2.84% - 1s 0 0 12594.8263 0 61 12962.0000 12594.8263 2.83% - 1s 0 0 12594.9558 0 66 12962.0000 12594.9558 2.83% - 1s 0 0 12595.3013 0 65 12962.0000 12595.3013 2.83% - 1s 0 0 12595.3703 0 61 12962.0000 12595.3703 2.83% - 1s 0 0 12595.3833 0 69 12962.0000 12595.3833 2.83% - 1s 0 0 12595.4059 0 64 12962.0000 12595.4059 2.83% - 1s 0 0 12595.4955 0 72 12962.0000 12595.4955 2.83% - 1s 0 0 12595.6210 0 68 12962.0000 12595.6210 2.83% - 2s 0 0 12595.6780 0 72 12962.0000 12595.6780 2.83% - 2s 0 0 12595.6887 0 68 12962.0000 12595.6887 2.83% - 2s 0 0 12595.7301 0 75 12962.0000 12595.7301 2.83% - 2s 0 0 12595.7581 0 75 12962.0000 12595.7581 2.83% - 2s 0 0 12595.8547 0 69 12962.0000 12595.8547 2.82% - 2s 0 0 12595.8835 0 78 12962.0000 12595.8835 2.82% - 2s 0 0 12595.9053 0 74 12962.0000 12595.9053 2.82% - 2s 0 0 12595.9063 0 76 12962.0000 12595.9063 2.82% - 2s 0 0 12595.9759 0 73 12962.0000 12595.9759 2.82% - 2s 0 0 12596.0042 0 72 12962.0000 12596.0042 2.82% - 2s 0 0 12596.1559 0 73 12962.0000 12596.1559 2.82% - 2s 0 0 12596.2146 0 75 12962.0000 12596.2146 2.82% - 2s 0 0 12596.2401 0 79 12962.0000 12596.2401 2.82% - 2s 0 0 12596.6225 0 73 12962.0000 12596.6225 2.82% - 2s 0 0 12596.6376 0 75 12962.0000 12596.6376 2.82% - 2s 0 0 12596.6860 0 79 12962.0000 12596.6860 2.82% - 2s 0 0 12596.6957 0 78 12962.0000 12596.6957 2.82% - 2s H 0 0 12901.000000 12596.6957 2.36% - 3s 0 2 12596.8021 0 78 12901.0000 12596.8021 2.36% - 4s H 27 17 12896.000000 12611.6944 2.20% 10.1 4s 67 36 12648.0000 5 45 12896.0000 12632.4259 2.04% 10.4 5s * 132 69 40 12890.000000 12633.8341 1.99% 8.6 5s * 311 113 11 12887.000000 12670.0000 1.68% 8.7 5s 1036 143 12834.8333 22 23 12887.0000 12721.3333 1.29% 8.2 10s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 2 Explored 2249 nodes (16302 simplex iterations) in 11.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288700000000e+04, best bound 1.288600000000e+04, gap 0.0078% adding cut for [(2, 4), (2, 9), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (16, 33), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 914 rows, 1128 columns and 223662 nonzeros Presolve time: 0.13s Presolved: 914 rows, 1128 columns, 223662 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12889.000000 12566.1429 2.50% - 0s 0 0 12585.3590 0 50 12889.0000 12585.3590 2.36% - 0s 0 0 12585.3590 0 49 12889.0000 12585.3590 2.36% - 0s 0 0 12585.3590 0 50 12889.0000 12585.3590 2.36% - 1s 0 0 12592.1677 0 55 12889.0000 12592.1677 2.30% - 1s 0 0 12592.2540 0 63 12889.0000 12592.2540 2.30% - 1s 0 0 12593.3814 0 56 12889.0000 12593.3814 2.29% - 1s 0 0 12593.4957 0 64 12889.0000 12593.4957 2.29% - 1s 0 0 12594.4553 0 53 12889.0000 12594.4553 2.29% - 1s 0 0 12594.6273 0 65 12889.0000 12594.6273 2.28% - 1s 0 0 12595.3438 0 41 12889.0000 12595.3438 2.28% - 1s 0 0 12595.4052 0 63 12889.0000 12595.4052 2.28% - 1s 0 0 12595.7097 0 58 12889.0000 12595.7097 2.28% - 1s 0 0 12595.8611 0 59 12889.0000 12595.8611 2.27% - 1s 0 0 12595.8878 0 64 12889.0000 12595.8878 2.27% - 1s 0 0 12596.0440 0 64 12889.0000 12596.0440 2.27% - 1s 0 0 12596.4033 0 49 12889.0000 12596.4033 2.27% - 1s 0 0 12596.4160 0 61 12889.0000 12596.4160 2.27% - 1s 0 0 12596.5707 0 58 12889.0000 12596.5707 2.27% - 1s 0 0 12596.6460 0 65 12889.0000 12596.6460 2.27% - 1s 0 0 12596.8805 0 60 12889.0000 12596.8805 2.27% - 1s 0 0 12596.9119 0 65 12889.0000 12596.9119 2.27% - 1s 0 0 12597.0051 0 67 12889.0000 12597.0051 2.27% - 1s 0 0 12597.0077 0 68 12889.0000 12597.0077 2.27% - 1s 0 0 12597.0721 0 71 12889.0000 12597.0721 2.26% - 1s 0 0 12597.2235 0 68 12889.0000 12597.2235 2.26% - 1s 0 0 12597.2264 0 72 12889.0000 12597.2264 2.26% - 2s 0 0 12597.3321 0 68 12889.0000 12597.3321 2.26% - 2s 0 0 12597.3721 0 70 12889.0000 12597.3721 2.26% - 2s 0 0 12597.4080 0 73 12889.0000 12597.4080 2.26% - 2s 0 0 12597.4080 0 73 12889.0000 12597.4080 2.26% - 2s 0 2 12597.7122 0 73 12889.0000 12597.7122 2.26% - 3s * 291 130 20 12888.000000 12689.8077 1.54% 6.6 4s 547 205 cutoff 16 12888.0000 12719.0000 1.31% 6.9 5s * 1583 201 23 12887.000000 12771.0000 0.90% 7.3 9s 1903 174 cutoff 32 12887.0000 12799.0000 0.68% 7.0 10s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 2 Explored 2321 nodes (16039 simplex iterations) in 10.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288700000000e+04, best bound 1.288700000000e+04, gap 0.0% adding cut for [(2, 9), (2, 17), (4, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (12, 21), (17, 23), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 915 rows, 1128 columns and 223938 nonzeros Presolve time: 0.13s Presolved: 915 rows, 1128 columns, 223938 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12925.000000 12566.1429 2.78% - 0s 0 0 12585.3590 0 50 12925.0000 12585.3590 2.63% - 0s 0 0 12585.3590 0 49 12925.0000 12585.3590 2.63% - 0s 0 0 12585.3590 0 50 12925.0000 12585.3590 2.63% - 1s 0 0 12588.5673 0 59 12925.0000 12588.5673 2.60% - 1s 0 0 12589.9211 0 52 12925.0000 12589.9211 2.59% - 1s 0 0 12590.0614 0 60 12925.0000 12590.0614 2.59% - 1s 0 0 12590.8824 0 50 12925.0000 12590.8824 2.59% - 1s 0 0 12591.1097 0 60 12925.0000 12591.1097 2.58% - 1s 0 0 12591.3831 0 65 12925.0000 12591.3831 2.58% - 1s 0 0 12593.1250 0 44 12925.0000 12593.1250 2.57% - 1s 0 0 12593.2464 0 48 12925.0000 12593.2464 2.57% - 1s 0 0 12593.5549 0 55 12925.0000 12593.5549 2.56% - 1s 0 0 12594.0833 0 52 12925.0000 12594.0833 2.56% - 1s 0 0 12594.2639 0 61 12925.0000 12594.2639 2.56% - 1s 0 0 12594.3817 0 64 12925.0000 12594.3817 2.56% - 1s 0 0 12594.5667 0 55 12925.0000 12594.5667 2.56% - 1s 0 0 12594.6276 0 64 12925.0000 12594.6276 2.56% - 1s 0 0 12594.7787 0 67 12925.0000 12594.7787 2.55% - 1s 0 0 12594.8985 0 60 12925.0000 12594.8985 2.55% - 1s 0 0 12595.0050 0 65 12925.0000 12595.0050 2.55% - 1s 0 0 12595.1563 0 64 12925.0000 12595.1563 2.55% - 1s 0 0 12595.2892 0 66 12925.0000 12595.2892 2.55% - 1s 0 0 12595.4055 0 68 12925.0000 12595.4055 2.55% - 1s 0 0 12595.4868 0 75 12925.0000 12595.4868 2.55% - 1s 0 0 12595.6691 0 67 12925.0000 12595.6691 2.55% - 1s 0 0 12595.8246 0 62 12925.0000 12595.8246 2.55% - 1s 0 0 12595.8682 0 68 12925.0000 12595.8682 2.55% - 1s 0 0 12595.8693 0 74 12925.0000 12595.8693 2.55% - 2s H 0 0 12908.000000 12595.8693 2.42% - 3s 0 2 12595.9181 0 74 12908.0000 12595.9181 2.42% - 3s * 59 23 28 12904.000000 12621.9773 2.19% 7.1 3s * 259 122 24 12903.000000 12661.0000 1.88% 6.7 4s * 284 125 19 12901.000000 12666.6250 1.82% 6.8 4s * 433 185 24 12897.000000 12691.5000 1.59% 6.6 4s * 496 214 13 12891.000000 12696.9000 1.51% 6.9 4s * 530 222 16 12889.000000 12698.7222 1.48% 6.8 4s 634 228 12834.0000 9 12 12889.0000 12710.9375 1.38% 7.0 5s * 1191 250 27 12888.000000 12719.8571 1.30% 7.7 9s 1721 262 cutoff 29 12888.0000 12768.0000 0.93% 7.3 10s Cutting planes: Gomory: 2 Zero half: 9 Mod-K: 1 Explored 2644 nodes (19062 simplex iterations) in 11.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288800000000e+04, best bound 1.288700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 40), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (33, 46), (36, 46)] Optimize a model with 916 rows, 1128 columns and 224169 nonzeros Presolve time: 0.13s Presolved: 916 rows, 1128 columns, 224169 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12905.000000 12566.1429 2.63% - 0s 0 0 12585.3590 0 50 12905.0000 12585.3590 2.48% - 0s 0 0 12585.3590 0 49 12905.0000 12585.3590 2.48% - 0s 0 0 12585.3590 0 50 12905.0000 12585.3590 2.48% - 1s 0 0 12590.7179 0 52 12905.0000 12590.7179 2.44% - 1s 0 0 12592.0972 0 61 12905.0000 12592.0972 2.42% - 1s 0 0 12592.8570 0 61 12905.0000 12592.8570 2.42% - 1s 0 0 12594.5238 0 55 12905.0000 12594.5238 2.41% - 1s 0 0 12594.7408 0 67 12905.0000 12594.7408 2.40% - 1s 0 0 12595.2875 0 57 12905.0000 12595.2875 2.40% - 1s 0 0 12595.3757 0 64 12905.0000 12595.3757 2.40% - 1s 0 0 12595.4039 0 68 12905.0000 12595.4039 2.40% - 1s 0 0 12595.4782 0 68 12905.0000 12595.4782 2.40% - 1s 0 0 12595.5659 0 62 12905.0000 12595.5659 2.40% - 1s 0 0 12595.5728 0 64 12905.0000 12595.5728 2.40% - 1s H 0 0 12897.000000 12595.5728 2.34% - 2s 0 2 12595.8120 0 64 12897.0000 12595.8120 2.34% - 2s * 54 28 30 12892.000000 12624.3636 2.08% 8.0 2s * 142 87 20 12888.000000 12638.7892 1.93% 7.8 3s 611 229 12781.2222 10 64 12888.0000 12723.0000 1.28% 6.5 5s Cutting planes: Gomory: 3 Zero half: 6 Mod-K: 2 Explored 2418 nodes (16936 simplex iterations) in 9.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288800000000e+04, best bound 1.288800000000e+04, gap 0.0% adding cut for [(33, 46), (4, 38), (7, 37), (7, 28), (8, 19), (8, 28), (13, 33), (13, 21), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (21, 47), (22, 47), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 917 rows, 1128 columns and 224379 nonzeros Presolve time: 0.13s Presolved: 917 rows, 1128 columns, 224379 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12896.000000 12566.1429 2.56% - 0s 0 0 12585.3590 0 50 12896.0000 12585.3590 2.41% - 0s 0 0 12585.3590 0 49 12896.0000 12585.3590 2.41% - 0s 0 0 12585.3590 0 50 12896.0000 12585.3590 2.41% - 0s 0 0 12590.7179 0 52 12896.0000 12590.7179 2.37% - 1s 0 0 12592.0972 0 61 12896.0000 12592.0972 2.36% - 1s 0 0 12592.6070 0 62 12896.0000 12592.6070 2.35% - 1s 0 0 12594.1233 0 58 12896.0000 12594.1233 2.34% - 1s 0 0 12594.1845 0 64 12896.0000 12594.1845 2.34% - 1s 0 0 12594.7292 0 63 12896.0000 12594.7292 2.34% - 1s 0 0 12595.2402 0 60 12896.0000 12595.2402 2.33% - 1s 0 0 12595.3282 0 65 12896.0000 12595.3282 2.33% - 1s 0 0 12595.5732 0 66 12896.0000 12595.5732 2.33% - 1s 0 0 12595.6894 0 65 12896.0000 12595.6894 2.33% - 1s 0 0 12595.8231 0 67 12896.0000 12595.8231 2.33% - 1s 0 0 12595.9278 0 68 12896.0000 12595.9278 2.33% - 1s 0 0 12596.0338 0 69 12896.0000 12596.0338 2.33% - 1s 0 0 12596.0648 0 71 12896.0000 12596.0648 2.33% - 1s 0 0 12596.1802 0 72 12896.0000 12596.1802 2.32% - 1s 0 0 12596.4606 0 69 12896.0000 12596.4606 2.32% - 1s 0 0 12596.5905 0 74 12896.0000 12596.5905 2.32% - 1s 0 0 12596.8856 0 70 12896.0000 12596.8856 2.32% - 1s 0 0 12597.1115 0 69 12896.0000 12597.1115 2.32% - 1s 0 0 12597.2991 0 72 12896.0000 12597.2991 2.32% - 1s 0 0 12597.3342 0 72 12896.0000 12597.3342 2.32% - 1s 0 0 12597.4032 0 74 12896.0000 12597.4032 2.32% - 1s 0 0 12597.6607 0 72 12896.0000 12597.6607 2.31% - 1s 0 2 12597.7843 0 72 12896.0000 12597.7843 2.31% - 3s H 149 79 12895.000000 12645.5630 1.93% 5.6 3s * 162 88 11 12894.000000 12649.5000 1.90% 5.9 3s * 259 105 11 12890.000000 12674.4231 1.67% 6.2 4s H 389 147 12888.000000 12693.3333 1.51% 6.1 4s 601 206 12707.8571 7 50 12888.0000 12705.6000 1.42% 6.2 5s 2246 66 cutoff 21 12888.0000 12842.3333 0.35% 6.5 10s Cutting planes: Gomory: 3 Zero half: 8 Mod-K: 1 Explored 2336 nodes (15339 simplex iterations) in 10.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288800000000e+04, best bound 1.288800000000e+04, gap 0.0% adding cut for [(2, 9), (2, 10), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (10, 40), (12, 13), (13, 16), (16, 46), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (24, 40), (30, 36), (30, 43), (31, 38), (31, 44), (36, 46)] Optimize a model with 918 rows, 1128 columns and 224632 nonzeros Presolve time: 0.13s Presolved: 918 rows, 1128 columns, 224632 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12962.000000 12566.1429 3.05% - 0s 0 0 12585.3590 0 50 12962.0000 12585.3590 2.91% - 0s 0 0 12585.3590 0 49 12962.0000 12585.3590 2.91% - 0s 0 0 12585.3590 0 50 12962.0000 12585.3590 2.91% - 1s 0 0 12588.5673 0 59 12962.0000 12588.5673 2.88% - 1s 0 0 12589.2678 0 61 12962.0000 12589.2678 2.88% - 1s 0 0 12590.6614 0 55 12962.0000 12590.6614 2.86% - 1s 0 0 12590.7502 0 63 12962.0000 12590.7502 2.86% - 1s 0 0 12591.3402 0 58 12962.0000 12591.3402 2.86% - 1s 0 0 12591.4965 0 63 12962.0000 12591.4965 2.86% - 1s 0 0 12591.6364 0 50 12962.0000 12591.6364 2.86% - 1s 0 0 12591.6727 0 65 12962.0000 12591.6727 2.86% - 1s 0 0 12591.7756 0 52 12962.0000 12591.7756 2.86% - 1s 0 0 12591.8061 0 65 12962.0000 12591.8061 2.86% - 1s 0 0 12592.0203 0 69 12962.0000 12592.0203 2.85% - 1s 0 0 12592.2703 0 71 12962.0000 12592.2703 2.85% - 1s 0 0 12593.4000 0 37 12962.0000 12593.4000 2.84% - 1s 0 0 12594.2462 0 70 12962.0000 12594.2462 2.84% - 1s 0 0 12594.9548 0 61 12962.0000 12594.9548 2.83% - 1s 0 0 12595.2372 0 59 12962.0000 12595.2372 2.83% - 1s 0 0 12595.2650 0 66 12962.0000 12595.2650 2.83% - 1s 0 0 12595.3254 0 67 12962.0000 12595.3254 2.83% - 1s 0 0 12595.3889 0 67 12962.0000 12595.3889 2.83% - 1s 0 0 12595.4167 0 67 12962.0000 12595.4167 2.83% - 1s 0 0 12595.4871 0 63 12962.0000 12595.4871 2.83% - 1s 0 0 12595.5144 0 77 12962.0000 12595.5144 2.83% - 1s 0 0 12595.6454 0 62 12962.0000 12595.6454 2.83% - 2s 0 0 12595.6635 0 66 12962.0000 12595.6635 2.83% - 2s 0 0 12595.7397 0 65 12962.0000 12595.7397 2.83% - 2s 0 0 12595.7460 0 71 12962.0000 12595.7460 2.83% - 2s 0 0 12595.7733 0 73 12962.0000 12595.7733 2.83% - 2s 0 0 12595.7852 0 71 12962.0000 12595.7852 2.83% - 2s 0 0 12595.8234 0 74 12962.0000 12595.8234 2.83% - 2s H 0 0 12943.000000 12595.8234 2.68% - 3s H 0 0 12915.000000 12595.8234 2.47% - 3s 0 2 12595.8382 0 74 12915.0000 12595.8382 2.47% - 4s * 103 56 38 12906.000000 12636.7794 2.09% 6.6 4s * 198 118 22 12888.000000 12649.4242 1.85% 6.3 4s 207 115 12851.6667 12 17 12888.0000 12662.0000 1.75% 6.3 5s 1349 164 12859.3333 21 18 12888.0000 12750.0000 1.07% 7.3 10s Cutting planes: Gomory: 2 Zero half: 10 Explored 2144 nodes (15442 simplex iterations) in 11.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288800000000e+04, best bound 1.288800000000e+04, gap 0.0% adding cut for [(7, 28), (7, 37), (8, 19), (8, 28), (9, 23), (9, 38), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 33), (21, 47), (22, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 919 rows, 1128 columns and 224885 nonzeros Presolve time: 0.13s Presolved: 919 rows, 1128 columns, 224885 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12900.000000 12566.1429 2.59% - 0s 0 0 12585.3590 0 50 12900.0000 12585.3590 2.44% - 0s 0 0 12585.3590 0 49 12900.0000 12585.3590 2.44% - 0s 0 0 12585.3590 0 50 12900.0000 12585.3590 2.44% - 1s 0 0 12590.7179 0 52 12900.0000 12590.7179 2.40% - 1s 0 0 12592.0972 0 61 12900.0000 12592.0972 2.39% - 1s 0 0 12592.6667 0 50 12900.0000 12592.6667 2.38% - 1s 0 0 12592.9191 0 63 12900.0000 12592.9191 2.38% - 1s 0 0 12594.2270 0 58 12900.0000 12594.2270 2.37% - 1s 0 0 12594.3187 0 66 12900.0000 12594.3187 2.37% - 1s 0 0 12595.2500 0 50 12900.0000 12595.2500 2.36% - 1s 0 0 12595.2680 0 55 12900.0000 12595.2680 2.36% - 1s 0 0 12595.3200 0 60 12900.0000 12595.3200 2.36% - 1s 0 0 12595.3380 0 61 12900.0000 12595.3380 2.36% - 1s 0 0 12595.3593 0 65 12900.0000 12595.3593 2.36% - 1s 0 0 12595.4986 0 62 12900.0000 12595.4986 2.36% - 1s 0 0 12595.7232 0 62 12900.0000 12595.7232 2.36% - 1s 0 0 12595.7615 0 65 12900.0000 12595.7615 2.36% - 1s 0 0 12595.8853 0 65 12900.0000 12595.8853 2.36% - 1s 0 0 12595.9087 0 67 12900.0000 12595.9087 2.36% - 1s 0 0 12595.9246 0 69 12900.0000 12595.9246 2.36% - 1s 0 0 12595.9526 0 63 12900.0000 12595.9526 2.36% - 1s 0 0 12595.9813 0 68 12900.0000 12595.9813 2.36% - 1s 0 0 12596.0869 0 66 12900.0000 12596.0869 2.36% - 1s 0 0 12596.1284 0 69 12900.0000 12596.1284 2.36% - 1s 0 0 12596.1284 0 69 12900.0000 12596.1284 2.36% - 2s 0 2 12596.5314 0 69 12900.0000 12596.5314 2.35% - 2s H 36 16 12892.000000 12622.6612 2.09% 6.1 3s * 486 212 30 12890.000000 12710.2000 1.39% 6.8 4s 601 239 12806.1667 9 50 12890.0000 12721.8571 1.30% 6.6 5s * 1866 239 26 12889.000000 12791.0000 0.76% 7.0 9s 2261 174 cutoff 26 12889.0000 12821.5000 0.52% 6.9 10s * 2412 135 26 12888.000000 12830.5000 0.45% 6.8 10s Cutting planes: Gomory: 3 Zero half: 5 Mod-K: 2 Explored 2639 nodes (18014 simplex iterations) in 10.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288800000000e+04, best bound 1.288700000000e+04, gap 0.0078% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 10), (10, 38), (13, 16), (13, 21), (16, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (21, 47), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 920 rows, 1128 columns and 225210 nonzeros Presolve time: 0.13s Presolved: 920 rows, 1128 columns, 225210 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12962.000000 12566.1429 3.05% - 0s 0 0 12585.3590 0 50 12962.0000 12585.3590 2.91% - 0s 0 0 12585.3590 0 49 12962.0000 12585.3590 2.91% - 0s 0 0 12585.3590 0 50 12962.0000 12585.3590 2.91% - 1s 0 0 12588.5673 0 59 12962.0000 12588.5673 2.88% - 1s 0 0 12589.2678 0 61 12962.0000 12589.2678 2.88% - 1s 0 0 12590.6614 0 55 12962.0000 12590.6614 2.86% - 1s 0 0 12590.7502 0 63 12962.0000 12590.7502 2.86% - 1s 0 0 12591.3402 0 58 12962.0000 12591.3402 2.86% - 1s 0 0 12591.4965 0 63 12962.0000 12591.4965 2.86% - 1s 0 0 12591.6364 0 50 12962.0000 12591.6364 2.86% - 1s 0 0 12591.6727 0 65 12962.0000 12591.6727 2.86% - 1s 0 0 12591.7756 0 52 12962.0000 12591.7756 2.86% - 1s 0 0 12591.8061 0 65 12962.0000 12591.8061 2.86% - 1s 0 0 12592.0660 0 68 12962.0000 12592.0660 2.85% - 1s 0 0 12592.4274 0 67 12962.0000 12592.4274 2.85% - 1s 0 0 12592.9326 0 68 12962.0000 12592.9326 2.85% - 1s 0 0 12593.5490 0 63 12962.0000 12593.5490 2.84% - 1s 0 0 12593.6254 0 69 12962.0000 12593.6254 2.84% - 1s 0 0 12594.5539 0 69 12962.0000 12594.5539 2.83% - 1s 0 0 12594.7044 0 73 12962.0000 12594.7044 2.83% - 1s 0 0 12595.4476 0 63 12962.0000 12595.4476 2.83% - 1s 0 0 12595.8009 0 62 12962.0000 12595.8009 2.83% - 1s 0 0 12595.8383 0 71 12962.0000 12595.8383 2.82% - 1s 0 0 12595.8570 0 69 12962.0000 12595.8570 2.82% - 1s 0 0 12595.9597 0 75 12962.0000 12595.9597 2.82% - 1s 0 0 12595.9597 0 75 12962.0000 12595.9597 2.82% - 2s H 0 0 12943.000000 12595.9597 2.68% - 2s H 0 0 12897.000000 12595.9597 2.33% - 2s 0 2 12596.1220 0 75 12897.0000 12596.1220 2.33% - 3s * 145 70 20 12891.000000 12648.0000 1.89% 6.0 3s * 478 183 13 12888.000000 12722.9091 1.28% 6.9 4s 601 199 12844.6667 10 50 12888.0000 12730.8571 1.22% 6.9 6s 1965 163 12861.0000 25 10 12888.0000 12806.5000 0.63% 7.4 10s Cutting planes: Gomory: 2 Zero half: 10 Explored 2295 nodes (16937 simplex iterations) in 10.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288800000000e+04, best bound 1.288800000000e+04, gap 0.0% adding cut for [(33, 46), (2, 9), (2, 23), (4, 23), (7, 37), (7, 28), (8, 19), (8, 28), (9, 38), (18, 43), (18, 27), (19, 44), (20, 37), (20, 27), (12, 33), (36, 46), (30, 43), (30, 36), (31, 38), (31, 44)] Optimize a model with 921 rows, 1128 columns and 225420 nonzeros Presolve time: 0.13s Presolved: 921 rows, 1128 columns, 225420 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12906.000000 12566.1429 2.63% - 0s 0 0 12585.3590 0 50 12906.0000 12585.3590 2.48% - 0s 0 0 12585.3590 0 49 12906.0000 12585.3590 2.48% - 0s 0 0 12585.3590 0 50 12906.0000 12585.3590 2.48% - 1s 0 0 12590.7179 0 52 12906.0000 12590.7179 2.44% - 1s 0 0 12592.0972 0 61 12906.0000 12592.0972 2.43% - 1s 0 0 12592.8570 0 61 12906.0000 12592.8570 2.43% - 1s 0 0 12594.5769 0 58 12906.0000 12594.5769 2.41% - 1s 0 0 12594.7493 0 67 12906.0000 12594.7493 2.41% - 1s 0 0 12595.3258 0 60 12906.0000 12595.3258 2.41% - 1s 0 0 12595.4064 0 68 12906.0000 12595.4064 2.41% - 1s 0 0 12595.6095 0 63 12906.0000 12595.6095 2.41% - 1s 0 0 12595.7399 0 59 12906.0000 12595.7399 2.40% - 1s 0 0 12595.7924 0 64 12906.0000 12595.7924 2.40% - 1s 0 0 12595.8822 0 67 12906.0000 12595.8822 2.40% - 1s 0 0 12596.0204 0 64 12906.0000 12596.0204 2.40% - 1s 0 0 12596.0991 0 68 12906.0000 12596.0991 2.40% - 1s 0 0 12596.2002 0 67 12906.0000 12596.2002 2.40% - 1s 0 2 12596.3603 0 67 12906.0000 12596.3603 2.40% - 2s H 68 36 12902.000000 12628.0494 2.12% 6.9 3s H 95 53 12896.000000 12630.3352 2.06% 7.6 3s * 119 66 17 12892.000000 12630.3352 2.03% 8.5 3s * 348 125 8 12889.000000 12693.0000 1.52% 7.9 3s 601 193 12886.0000 23 50 12889.0000 12723.3333 1.29% 7.7 5s Cutting planes: Gomory: 3 Zero half: 7 Mod-K: 2 Explored 2038 nodes (15522 simplex iterations) in 9.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.288900000000e+04, best bound 1.288900000000e+04, gap 0.0% adding cut for [(2, 9), (2, 23), (7, 28), (7, 37), (8, 19), (8, 28), (9, 38), (12, 13), (13, 33), (17, 23), (17, 41), (18, 27), (18, 43), (19, 44), (20, 27), (20, 37), (30, 36), (30, 43), (31, 38), (31, 44), (33, 36), (34, 41)] Optimize a model with 922 rows, 1128 columns and 225673 nonzeros Presolve time: 0.13s Presolved: 922 rows, 1128 columns, 225673 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1128 integer (1081 binary) Found heuristic solution: objective 47372.000000 Root relaxation: objective 1.256614e+04, 135 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12566.1429 0 49 47372.0000 12566.1429 73.5% - 0s Another try with MIP start H 0 0 12905.000000 12566.1429 2.63% - 0s 0 0 12585.3590 0 50 12905.0000 12585.3590 2.48% - 0s Cutting planes: Gomory: 1 Zero half: 1 Explored 0 nodes (159 simplex iterations) in 0.61 seconds Thread count was 1 (of 16 available processors) Time limit reached Best objective 1.290500000000e+04, best bound 1.258600000000e+04, gap 2.4719% Gurobi 5.0.1 (linux64) logging started Fri Dec 7 08:42:34 2012