Optimize a model with 33 rows, 528 columns and 1056 nonzeros Presolve time: 0.00s Presolved: 33 rows, 528 columns, 1056 nonzeros Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1248.0000000 Root relaxation: objective 9.735000e+02, 36 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 973.50000 0 6 1248.00000 973.50000 22.0% - 0s H 0 0 1021.0000000 973.50000 4.65% - 0s 0 0 975.50000 0 6 1021.00000 975.50000 4.46% - 0s H 0 0 1020.0000000 975.50000 4.36% - 0s 0 0 976.00000 0 12 1020.00000 976.00000 4.31% - 0s 0 0 976.37500 0 11 1020.00000 976.37500 4.28% - 0s 0 0 977.50000 0 8 1020.00000 977.50000 4.17% - 0s 0 0 977.50000 0 8 1020.00000 977.50000 4.17% - 0s 0 0 977.50000 0 8 1020.00000 977.50000 4.17% - 0s 0 0 977.50000 0 6 1020.00000 977.50000 4.17% - 0s H 0 0 1004.0000000 977.50000 2.64% - 0s 0 0 977.50000 0 8 1004.00000 977.50000 2.64% - 0s H 0 0 995.0000000 977.50000 1.76% - 0s 0 2 980.50000 0 8 995.00000 980.50000 1.46% - 0s * 5 4 14 983.0000000 983.00000 0.0% 0.4 0s Cutting planes: Gomory: 10 MIR: 3 Zero half: 6 Explored 5 nodes (176 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.830000000000e+02, best bound 9.830000000000e+02, gap 0.0% adding cut for [(2, 14), (2, 15), (14, 16), (15, 16)] adding cut for [(18, 27), (18, 26), (27, 28), (26, 28)] adding cut for [(24, 25), (21, 24), (21, 23), (23, 25)] adding cut for [(9, 10), (9, 11), (10, 11)] adding cut for [(17, 29), (17, 30), (29, 30)] adding cut for [(19, 20), (19, 22), (20, 22)] Optimize a model with 39 rows, 528 columns and 1083 nonzeros Presolve time: 0.00s Presolved: 39 rows, 528 columns, 1083 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 9.785000e+02, 39 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 978.50000 0 8 1549.00000 978.50000 36.8% - 0s Another try with MIP start H 0 0 1035.0000000 978.50000 5.46% - 0s 0 0 979.00000 0 12 1035.00000 979.00000 5.41% - 0s H 0 0 1034.0000000 979.00000 5.32% - 0s 0 0 982.00000 0 12 1034.00000 982.00000 5.03% - 0s 0 0 982.00000 0 12 1034.00000 982.00000 5.03% - 0s 0 0 982.12500 0 14 1034.00000 982.12500 5.02% - 0s 0 0 982.25000 0 16 1034.00000 982.25000 5.00% - 0s 0 0 982.66667 0 14 1034.00000 982.66667 4.96% - 0s 0 0 983.50000 0 18 1034.00000 983.50000 4.88% - 0s 0 0 983.50000 0 20 1034.00000 983.50000 4.88% - 0s 0 0 983.50000 0 12 1034.00000 983.50000 4.88% - 0s H 0 0 989.0000000 983.50000 0.56% - 0s 0 0 983.50000 0 8 989.00000 983.50000 0.56% - 0s 0 0 985.00000 0 22 989.00000 985.00000 0.40% - 0s 0 0 985.00000 0 20 989.00000 985.00000 0.40% - 0s 0 0 986.33333 0 20 989.00000 986.33333 0.27% - 0s 0 0 986.33333 0 27 989.00000 986.33333 0.27% - 0s * 0 0 0 987.0000000 987.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 0 nodes (155 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.870000000000e+02, best bound 9.870000000000e+02, gap 0.0% adding cut for [(19, 20), (19, 22), (20, 23), (21, 22), (21, 24), (23, 25), (24, 25)] adding cut for [(17, 28), (17, 29), (27, 28), (27, 30), (29, 30)] adding cut for [(9, 10), (9, 33), (10, 11), (11, 33)] adding cut for [(2, 14), (2, 15), (14, 15)] adding cut for [(6, 8), (6, 7), (7, 8)] adding cut for [(16, 26), (16, 18), (18, 26)] Optimize a model with 45 rows, 528 columns and 1129 nonzeros Presolve time: 0.00s Presolved: 45 rows, 528 columns, 1129 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1762.0000000 Found heuristic solution: objective 1549.0000000 Root relaxation: objective 9.970000e+02, 48 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 997.00000 0 6 1549.00000 997.00000 35.6% - 0s Another try with MIP start H 0 0 997.0000000 997.00000 0.0% - 0s Explored 0 nodes (49 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.970000000000e+02, best bound 9.970000000000e+02, gap 0.0% adding cut for [(2, 14), (2, 15), (14, 20), (15, 16), (16, 18), (17, 25), (17, 30), (18, 26), (19, 20), (19, 22), (21, 23), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29), (29, 30)] Optimize a model with 46 rows, 528 columns and 1282 nonzeros Presolve time: 0.00s Presolved: 46 rows, 528 columns, 1282 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.026000e+03, 47 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1026.00000 0 8 1549.00000 1026.00000 33.8% - 0s Another try with MIP start H 0 0 1026.0000000 1026.00000 0.0% - 0s Explored 0 nodes (48 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.026000000000e+03, best bound 1.026000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 33), (7, 8), (8, 10), (9, 10), (9, 11), (11, 19), (12, 14), (12, 33), (15, 16), (15, 32), (16, 18), (17, 25), (17, 30), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29), (29, 30)] Optimize a model with 47 rows, 528 columns and 1607 nonzeros Presolve time: 0.00s Presolved: 47 rows, 528 columns, 1607 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.034000e+03, 61 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 1034.0000000 1034.00000 0.0% - 0s Explored 0 nodes (61 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.034000000000e+03, best bound 1.034000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 15), (15, 16), (16, 18), (17, 29), (17, 30), (18, 26), (26, 27), (27, 28), (28, 29), (30, 31)] adding cut for [(24, 25), (21, 24), (21, 22), (22, 23), (23, 25)] adding cut for [(19, 20), (11, 19), (11, 20)] Optimize a model with 50 rows, 528 columns and 1686 nonzeros Presolve time: 0.00s Presolved: 50 rows, 528 columns, 1686 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.036500e+03, 61 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1036.50000 0 10 1549.00000 1036.50000 33.1% - 0s Another try with MIP start H 0 0 1085.0000000 1036.50000 4.47% - 0s 0 0 1038.00000 0 12 1085.00000 1038.00000 4.33% - 0s 0 0 1038.00000 0 22 1085.00000 1038.00000 4.33% - 0s 0 0 1038.00000 0 12 1085.00000 1038.00000 4.33% - 0s 0 0 1038.50000 0 8 1085.00000 1038.50000 4.29% - 0s 0 0 1038.50000 0 20 1085.00000 1038.50000 4.29% - 0s 0 0 1038.50000 0 23 1085.00000 1038.50000 4.29% - 0s 0 0 1038.50000 0 23 1085.00000 1038.50000 4.29% - 0s H 0 0 1061.0000000 1038.50000 2.12% - 0s 0 0 1038.50000 0 10 1061.00000 1038.50000 2.12% - 0s H 0 0 1059.0000000 1038.50000 1.94% - 0s 0 0 1038.50000 0 22 1059.00000 1038.50000 1.94% - 0s 0 0 1038.50000 0 12 1059.00000 1038.50000 1.94% - 0s 0 0 1038.50000 0 20 1059.00000 1038.50000 1.94% - 0s 0 0 1038.50000 0 26 1059.00000 1038.50000 1.94% - 0s 0 0 1038.50000 0 20 1059.00000 1038.50000 1.94% - 0s H 0 0 1042.0000000 1038.50000 0.34% - 0s H 0 0 1041.0000000 1038.50000 0.24% - 0s H 0 0 1039.0000000 1038.50000 0.05% - 0s Cutting planes: Zero half: 4 Explored 0 nodes (162 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.039000000000e+03, best bound 1.039000000000e+03, gap 0.0% adding cut for [(15, 16), (16, 18), (17, 29), (17, 30), (18, 20), (19, 20), (19, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29), (30, 31)] adding cut for [(2, 32), (2, 12), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (12, 33)] Optimize a model with 52 rows, 528 columns and 1867 nonzeros Presolve time: 0.00s Presolved: 52 rows, 528 columns, 1867 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.041500e+03, 62 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1041.50000 0 8 1549.00000 1041.50000 32.8% - 0s Another try with MIP start H 0 0 1042.0000000 1041.50000 0.05% - 0s Explored 0 nodes (64 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.042000000000e+03, best bound 1.042000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 33), (9, 33), (9, 10), (10, 11), (11, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] adding cut for [(2, 16), (2, 32), (15, 16), (15, 32)] Optimize a model with 54 rows, 528 columns and 2083 nonzeros Presolve time: 0.00s Presolved: 54 rows, 528 columns, 2083 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.048000e+03, 61 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1048.00000 0 14 1549.00000 1048.00000 32.3% - 0s Another try with MIP start * 0 0 0 1048.0000000 1048.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 2 Explored 0 nodes (64 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.048000000000e+03, best bound 1.048000000000e+03, gap 0.0% adding cut for [(2, 15), (2, 32), (6, 7), (6, 13), (7, 8), (8, 12), (9, 10), (9, 33), (10, 11), (11, 19), (12, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(17, 28), (17, 29), (27, 28), (27, 29)] Optimize a model with 56 rows, 528 columns and 2320 nonzeros Presolve time: 0.00s Presolved: 56 rows, 528 columns, 2320 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.049000e+03, 66 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1049.00000 0 10 1549.00000 1049.00000 32.3% - 0s Another try with MIP start 0 0 1051.25000 0 23 1549.00000 1051.25000 32.1% - 0s 0 0 1051.33333 0 22 1549.00000 1051.33333 32.1% - 0s 0 0 1051.40000 0 33 1549.00000 1051.40000 32.1% - 0s 0 0 1051.40000 0 31 1549.00000 1051.40000 32.1% - 0s H 0 0 1052.0000000 1051.40000 0.06% - 0s Cutting planes: Gomory: 1 Zero half: 4 Explored 0 nodes (98 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.052000000000e+03, best bound 1.052000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 33), (8, 9), (9, 10), (10, 11), (11, 19), (12, 13), (12, 33), (16, 18), (16, 27), (17, 28), (17, 29), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (29, 30)] Optimize a model with 57 rows, 528 columns and 2573 nonzeros Presolve time: 0.00s Presolved: 57 rows, 528 columns, 2573 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.049000e+03, 68 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1049.00000 0 12 1549.00000 1049.00000 32.3% - 0s Another try with MIP start 0 0 1050.50000 0 16 1549.00000 1050.50000 32.2% - 0s 0 0 1051.12500 0 32 1549.00000 1051.12500 32.1% - 0s 0 0 1051.12500 0 38 1549.00000 1051.12500 32.1% - 0s 0 0 1051.12500 0 29 1549.00000 1051.12500 32.1% - 0s H 0 0 1116.0000000 1051.12500 5.81% - 0s 0 0 1051.12500 0 33 1116.00000 1051.12500 5.81% - 0s 0 0 1051.12500 0 33 1116.00000 1051.12500 5.81% - 0s 0 2 1051.25000 0 33 1116.00000 1051.25000 5.80% - 0s * 7 3 6 1053.0000000 1053.00000 0.0% 3.9 0s Cutting planes: Gomory: 1 Zero half: 3 Explored 8 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 1.053000000000e+03, best bound 1.053000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (12, 33), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] adding cut for [(16, 18), (2, 32), (2, 18), (15, 32), (15, 16)] Optimize a model with 59 rows, 528 columns and 2736 nonzeros Presolve time: 0.00s Presolved: 59 rows, 528 columns, 2736 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.052333e+03, 74 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1052.33333 0 19 1549.00000 1052.33333 32.1% - 0s Another try with MIP start H 0 0 1054.0000000 1052.33333 0.16% - 0s * 0 0 0 1053.0000000 1053.00000 0.0% - 0s Cutting planes: Gomory: 1 Clique: 3 Zero half: 1 Explored 0 nodes (78 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.053000000000e+03, best bound 1.053000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 12), (8, 9), (9, 10), (10, 11), (11, 19), (12, 33), (14, 33), (17, 28), (17, 29), (18, 26), (18, 27), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (29, 30)] Optimize a model with 60 rows, 528 columns and 2967 nonzeros Presolve time: 0.00s Presolved: 60 rows, 528 columns, 2967 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.052667e+03, 79 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1052.66667 0 16 1549.00000 1052.66667 32.0% - 0s Another try with MIP start H 0 0 1054.0000000 1052.66667 0.13% - 0s Cutting planes: Zero half: 1 Explored 0 nodes (81 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.054000000000e+03, best bound 1.053000000000e+03, gap 0.0949% adding cut for [(2, 32), (2, 16), (6, 7), (7, 8), (8, 10), (9, 10), (9, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(15, 27), (17, 28), (17, 29), (27, 28), (29, 30)] Optimize a model with 62 rows, 528 columns and 3135 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 61 rows, 528 columns, 3125 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.053000e+03, 72 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1053.00000 0 14 1549.00000 1053.00000 32.0% - 0s Another try with MIP start 0 0 1053.50000 0 12 1549.00000 1053.50000 32.0% - 0s 0 0 1053.50000 0 16 1549.00000 1053.50000 32.0% - 0s 0 0 1053.50000 0 16 1549.00000 1053.50000 32.0% - 0s 0 0 1053.50000 0 16 1549.00000 1053.50000 32.0% - 0s H 0 0 1117.0000000 1053.50000 5.68% - 0s 0 2 1054.00000 0 16 1117.00000 1054.00000 5.64% - 0s * 3 3 3 1055.0000000 1054.66667 0.03% 6.0 0s Cutting planes: Gomory: 1 Zero half: 3 Explored 4 nodes (119 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.055000000000e+03, best bound 1.055000000000e+03, gap 0.0% adding cut for [(2, 15), (2, 32), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 19), (15, 16), (16, 18), (17, 25), (17, 29), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29)] Optimize a model with 63 rows, 528 columns and 3388 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 62 rows, 528 columns, 3378 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.053500e+03, 77 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1053.50000 0 12 1549.00000 1053.50000 32.0% - 0s Another try with MIP start 0 0 1054.40000 0 20 1549.00000 1054.40000 31.9% - 0s 0 0 1054.50000 0 18 1549.00000 1054.50000 31.9% - 0s 0 0 1054.50000 0 27 1549.00000 1054.50000 31.9% - 0s 0 0 1054.50000 0 29 1549.00000 1054.50000 31.9% - 0s 0 0 1054.50000 0 29 1549.00000 1054.50000 31.9% - 0s H 0 0 1127.0000000 1054.50000 6.43% - 0s H 0 0 1118.0000000 1054.50000 5.68% - 0s H 0 0 1066.0000000 1054.50000 1.08% - 0s 0 2 1055.00000 0 20 1066.00000 1055.00000 1.03% - 0s * 1 1 1 1055.0000000 1055.00000 0.0% 8.0 0s Cutting planes: Gomory: 1 Zero half: 4 Explored 2 nodes (117 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.055000000000e+03, best bound 1.055000000000e+03, gap 0.0% adding cut for [(2, 15), (2, 32), (7, 8), (7, 33), (9, 10), (9, 33), (10, 11), (11, 19), (15, 16), (16, 18), (17, 28), (17, 29), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (27, 32), (29, 30)] Optimize a model with 64 rows, 528 columns and 3664 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 63 rows, 528 columns, 3654 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.054250e+03, 87 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1054.25000 0 19 1549.00000 1054.25000 31.9% - 0s Another try with MIP start H 0 0 1057.0000000 1054.25000 0.26% - 0s 0 0 1055.00000 0 18 1057.00000 1055.00000 0.19% - 0s 0 0 1055.00000 0 17 1057.00000 1055.00000 0.19% - 0s 0 0 1055.66667 0 17 1057.00000 1055.66667 0.13% - 0s 0 0 1056.00000 0 21 1057.00000 1056.00000 0.09% - 0s * 0 0 0 1056.0000000 1056.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 7 Explored 0 nodes (162 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.056000000000e+03, best bound 1.056000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 10), (9, 11), (11, 19), (16, 18), (16, 27), (17, 29), (17, 30), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 65 rows, 528 columns and 3835 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 64 rows, 528 columns, 3825 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.056000e+03, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1056.00000 0 21 1549.00000 1056.00000 31.8% - 0s Another try with MIP start 0 0 1056.00000 0 14 1549.00000 1056.00000 31.8% - 0s 0 0 1056.00000 0 18 1549.00000 1056.00000 31.8% - 0s 0 0 1056.00000 0 18 1549.00000 1056.00000 31.8% - 0s 0 0 1056.00000 0 18 1549.00000 1056.00000 31.8% - 0s H 0 0 1088.0000000 1056.00000 2.94% - 0s 0 0 1056.00000 0 19 1088.00000 1056.00000 2.94% - 0s H 0 0 1077.0000000 1056.00000 1.95% - 0s H 0 0 1072.0000000 1056.00000 1.49% - 0s 0 0 1056.12500 0 21 1072.00000 1056.12500 1.48% - 0s 0 2 1057.00000 0 21 1072.00000 1057.00000 1.40% - 0s H 1 2 1059.0000000 1057.00000 0.19% 2.0 0s H 6 5 1058.0000000 1057.00000 0.09% 0.3 0s * 7 5 9 1057.0000000 1057.00000 0.0% 9.4 0s Cutting planes: Gomory: 1 Explored 8 nodes (350 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.057000000000e+03, best bound 1.057000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 9), (9, 10), (10, 11), (11, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 66 rows, 528 columns and 4006 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 65 rows, 528 columns, 3996 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.056500e+03, 81 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1056.50000 0 12 1549.00000 1056.50000 31.8% - 0s Another try with MIP start 0 0 1057.66667 0 17 1549.00000 1057.66667 31.7% - 0s 0 0 1057.66667 0 26 1549.00000 1057.66667 31.7% - 0s 0 0 1057.66667 0 21 1549.00000 1057.66667 31.7% - 0s H 0 0 1063.0000000 1057.66667 0.50% - 0s H 0 0 1060.0000000 1057.66667 0.22% - 0s 0 0 1057.66667 0 21 1060.00000 1057.66667 0.22% - 0s 0 0 1057.66667 0 13 1060.00000 1057.66667 0.22% - 0s H 0 0 1058.0000000 1057.66667 0.03% - 0s Explored 0 nodes (174 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.058000000000e+03, best bound 1.058000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (17, 29), (17, 30), (27, 32), (27, 28), (28, 29)] Optimize a model with 68 rows, 528 columns and 4187 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 67 rows, 528 columns, 4177 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.056500e+03, 79 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1056.50000 0 12 1549.00000 1056.50000 31.8% - 0s Another try with MIP start 0 0 1057.66667 0 16 1549.00000 1057.66667 31.7% - 0s 0 0 1057.66667 0 25 1549.00000 1057.66667 31.7% - 0s 0 0 1057.66667 0 20 1549.00000 1057.66667 31.7% - 0s H 0 0 1136.0000000 1057.66667 6.90% - 0s H 0 0 1060.0000000 1057.66667 0.22% - 0s 0 0 1057.66667 0 20 1060.00000 1057.66667 0.22% - 0s 0 0 1057.66667 0 20 1060.00000 1057.66667 0.22% - 0s H 0 0 1059.0000000 1057.66667 0.13% - 0s 0 0 1057.66667 0 24 1059.00000 1057.66667 0.13% - 0s 0 0 1057.75000 0 25 1059.00000 1057.75000 0.12% - 0s 0 0 1057.75000 0 21 1059.00000 1057.75000 0.12% - 0s 0 0 1057.75000 0 22 1059.00000 1057.75000 0.12% - 0s * 0 0 0 1058.0000000 1058.00000 0.0% - 0s Cutting planes: Gomory: 1 Clique: 1 Zero half: 8 Explored 0 nodes (194 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.058000000000e+03, best bound 1.058000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 15), (9, 33), (9, 10), (10, 11), (11, 19), (12, 13), (12, 14), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 69 rows, 528 columns and 4377 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 68 rows, 528 columns, 4367 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.056500e+03, 78 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1056.50000 0 12 1549.00000 1056.50000 31.8% - 0s Another try with MIP start H 0 0 1062.0000000 1056.50000 0.52% - 0s 0 0 1057.66667 0 20 1062.00000 1057.66667 0.41% - 0s 0 0 1057.66667 0 14 1062.00000 1057.66667 0.41% - 0s 0 0 1057.66667 0 19 1062.00000 1057.66667 0.41% - 0s 0 0 1057.66667 0 23 1062.00000 1057.66667 0.41% - 0s 0 0 1057.66667 0 27 1062.00000 1057.66667 0.41% - 0s 0 0 1058.00000 0 12 1062.00000 1058.00000 0.38% - 0s 0 0 1058.00000 0 12 1062.00000 1058.00000 0.38% - 0s H 0 0 1060.0000000 1058.00000 0.19% - 0s 0 2 1058.33333 0 14 1060.00000 1058.33333 0.16% - 0s * 4 1 2 1059.0000000 1059.00000 0.0% 9.5 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 1 Explored 5 nodes (250 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.059000000000e+03, best bound 1.059000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 16), (15, 32), (16, 18), (17, 29), (17, 30), (18, 20), (19, 20), (19, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 70 rows, 528 columns and 4530 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 69 rows, 528 columns, 4520 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060000e+03, 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 1060.0000000 1060.00000 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 1.060000000000e+03, best bound 1.060000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 10), (10, 11), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 71 rows, 528 columns and 4683 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 70 rows, 528 columns, 4673 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060000e+03, 92 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 1060.0000000 1060.00000 0.0% - 0s Explored 0 nodes (92 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.060000000000e+03, best bound 1.060000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 72 rows, 528 columns and 4788 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.00s Presolved: 71 rows, 528 columns, 4778 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060250e+03, 99 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.25000 0 22 1549.00000 1060.25000 31.6% - 0s Another try with MIP start H 0 0 1061.0000000 1060.25000 0.07% - 0s Explored 0 nodes (100 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.061000000000e+03, best bound 1.061000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 32), (9, 10), (9, 33), (10, 11), (11, 19), (14, 33), (15, 16), (16, 18), (17, 25), (17, 29), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29)] Optimize a model with 73 rows, 528 columns and 5019 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 72 rows, 528 columns, 5009 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060364e+03, 88 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.36364 0 33 1549.00000 1060.36364 31.5% - 0s Another try with MIP start H 0 0 1061.0000000 1060.36364 0.06% - 0s Explored 0 nodes (90 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.061000000000e+03, best bound 1.061000000000e+03, gap 0.0% adding cut for [(6, 8), (6, 13), (7, 9), (7, 33), (8, 12), (9, 10), (10, 11), (11, 19), (12, 33), (15, 16), (16, 18), (17, 25), (17, 29), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29)] Optimize a model with 74 rows, 528 columns and 5295 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 73 rows, 528 columns, 5285 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060400e+03, 108 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.40000 0 24 1549.00000 1060.40000 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1060.40000 0.34% - 0s H 0 0 1062.0000000 1060.40000 0.15% - 0s 0 0 1060.75000 0 20 1062.00000 1060.75000 0.12% - 0s 0 0 1060.75000 0 16 1062.00000 1060.75000 0.12% - 0s H 0 0 1061.0000000 1060.75000 0.02% - 0s Explored 0 nodes (159 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.061000000000e+03, best bound 1.061000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 75 rows, 528 columns and 5415 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 74 rows, 528 columns, 5405 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060400e+03, 108 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.40000 0 24 1549.00000 1060.40000 31.5% - 0s Another try with MIP start H 0 0 1062.0000000 1060.40000 0.15% - 0s 0 0 1060.75000 0 22 1062.00000 1060.75000 0.12% - 0s 0 0 1060.75000 0 16 1062.00000 1060.75000 0.12% - 0s * 0 0 0 1061.0000000 1061.00000 0.0% - 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 0 nodes (157 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.061000000000e+03, best bound 1.061000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 8), (7, 9), (9, 10), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 76 rows, 528 columns and 5551 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 75 rows, 528 columns, 5541 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060400e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.40000 0 24 1549.00000 1060.40000 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1060.40000 0.34% - 0s 0 0 1060.75000 0 20 1064.00000 1060.75000 0.31% - 0s 0 0 1060.75000 0 23 1064.00000 1060.75000 0.31% - 0s * 0 0 0 1061.0000000 1061.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 0 nodes (206 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.061000000000e+03, best bound 1.061000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 16), (6, 8), (7, 33), (7, 9), (8, 12), (9, 10), (10, 11), (11, 19), (12, 33), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(17, 29), (17, 30), (27, 28), (28, 29), (30, 31)] Optimize a model with 78 rows, 528 columns and 5756 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 77 rows, 528 columns, 5746 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060500e+03, 83 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.50000 0 14 1549.00000 1060.50000 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1060.50000 0.33% - 0s 0 0 1060.50000 0 16 1064.00000 1060.50000 0.33% - 0s 0 0 1060.50000 0 12 1064.00000 1060.50000 0.33% - 0s 0 0 1061.00000 0 32 1064.00000 1061.00000 0.28% - 0s 0 0 1061.00000 0 19 1064.00000 1061.00000 0.28% - 0s 0 0 1061.00000 0 18 1064.00000 1061.00000 0.28% - 0s 0 0 1061.00000 0 15 1064.00000 1061.00000 0.28% - 0s * 0 0 0 1061.0000000 1061.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 3 Explored 0 nodes (189 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.061000000000e+03, best bound 1.061000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 8), (9, 33), (9, 10), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 79 rows, 528 columns and 5892 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 78 rows, 528 columns, 5882 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060500e+03, 84 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.50000 0 14 1549.00000 1060.50000 31.5% - 0s Another try with MIP start H 0 0 1061.0000000 1060.50000 0.05% - 0s Explored 0 nodes (84 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.061000000000e+03, best bound 1.061000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 80 rows, 528 columns and 6082 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 79 rows, 528 columns, 6072 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060500e+03, 87 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.50000 0 14 1549.00000 1060.50000 31.5% - 0s Another try with MIP start H 0 0 1061.0000000 1060.50000 0.05% - 0s Explored 0 nodes (89 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.061000000000e+03, best bound 1.061000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 81 rows, 528 columns and 6218 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 80 rows, 528 columns, 6208 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060500e+03, 87 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.50000 0 14 1549.00000 1060.50000 31.5% - 0s Another try with MIP start H 0 0 1063.0000000 1060.50000 0.24% - 0s 0 0 1061.00000 0 16 1063.00000 1061.00000 0.19% - 0s 0 0 1061.00000 0 14 1063.00000 1061.00000 0.19% - 0s 0 0 1061.00000 0 20 1063.00000 1061.00000 0.19% - 0s 0 0 1061.00000 0 19 1063.00000 1061.00000 0.19% - 0s 0 0 1061.00000 0 21 1063.00000 1061.00000 0.19% - 0s 0 0 1061.00000 0 16 1063.00000 1061.00000 0.19% - 0s 0 0 1061.00000 0 18 1063.00000 1061.00000 0.19% - 0s 0 0 1061.05263 0 33 1063.00000 1061.05263 0.18% - 0s 0 0 1061.16667 0 28 1063.00000 1061.16667 0.17% - 0s 0 0 1061.16667 0 28 1063.00000 1061.16667 0.17% - 0s H 0 0 1062.0000000 1061.16667 0.08% - 0s Cutting planes: Gomory: 2 Explored 0 nodes (257 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.062000000000e+03, best bound 1.062000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 10), (9, 14), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 82 rows, 528 columns and 6354 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 81 rows, 528 columns, 6344 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060500e+03, 87 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.50000 0 14 1549.00000 1060.50000 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1060.50000 0.33% - 0s 0 0 1061.00000 0 14 1064.00000 1061.00000 0.28% - 0s 0 0 1061.00000 0 12 1064.00000 1061.00000 0.28% - 0s H 0 0 1062.0000000 1061.00000 0.09% - 0s 0 0 1061.00000 0 17 1062.00000 1061.00000 0.09% - 0s 0 1 1061.00000 0 17 1062.00000 1061.00000 0.09% - 0s Cutting planes: Gomory: 1 Explored 1 nodes (208 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.062000000000e+03, best bound 1.062000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 83 rows, 528 columns and 6445 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 82 rows, 528 columns, 6435 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 95 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1065.0000000 1060.73333 0.40% - 0s 0 0 1061.44444 0 43 1065.00000 1061.44444 0.33% - 0s 0 0 1061.44444 0 35 1065.00000 1061.44444 0.33% - 0s 0 0 1061.53789 0 36 1065.00000 1061.53789 0.33% - 0s 0 0 1061.54406 0 30 1065.00000 1061.54406 0.32% - 0s 0 0 1061.55782 0 37 1065.00000 1061.55782 0.32% - 0s 0 0 1061.58901 0 37 1065.00000 1061.58901 0.32% - 0s 0 0 1061.59624 0 36 1065.00000 1061.59624 0.32% - 0s 0 0 1061.59733 0 38 1065.00000 1061.59733 0.32% - 0s 0 0 1061.59733 0 38 1065.00000 1061.59733 0.32% - 0s H 0 0 1063.0000000 1061.59733 0.13% - 0s H 0 0 1062.0000000 1061.59733 0.04% - 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 0 nodes (224 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.062000000000e+03, best bound 1.062000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 33), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 84 rows, 528 columns and 6581 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 83 rows, 528 columns, 6571 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 93 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1060.73333 0.31% - 0s 0 0 1061.20833 0 38 1064.00000 1061.20833 0.26% - 0s 0 0 1061.20833 0 34 1064.00000 1061.20833 0.26% - 0s 0 0 1061.31757 0 27 1064.00000 1061.31757 0.25% - 0s 0 0 1061.31757 0 29 1064.00000 1061.31757 0.25% - 0s 0 0 1061.38929 0 32 1064.00000 1061.38929 0.25% - 0s 0 0 1061.39442 0 34 1064.00000 1061.39442 0.24% - 0s 0 0 1061.40262 0 39 1064.00000 1061.40262 0.24% - 0s 0 0 1061.40487 0 37 1064.00000 1061.40487 0.24% - 0s 0 0 1061.40487 0 37 1064.00000 1061.40487 0.24% - 0s H 0 0 1063.0000000 1061.40487 0.15% - 0s 0 1 1062.00000 0 16 1063.00000 1062.00000 0.09% - 0s * 1 0 1 1062.0000000 1062.00000 0.0% 11.0 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 4 Explored 2 nodes (219 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.062000000000e+03, best bound 1.062000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 16), (6, 7), (7, 9), (9, 10), (10, 11), (11, 19), (16, 18), (17, 25), (17, 29), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29)] adding cut for [(8, 33), (8, 12), (12, 33)] Optimize a model with 86 rows, 528 columns and 6794 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 85 rows, 528 columns, 6784 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 93 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1065.0000000 1060.73333 0.40% - 0s 0 0 1061.20833 0 38 1065.00000 1061.20833 0.36% - 0s 0 0 1061.20833 0 35 1065.00000 1061.20833 0.36% - 0s 0 0 1061.33651 0 36 1065.00000 1061.33651 0.34% - 0s 0 0 1061.41841 0 37 1065.00000 1061.41841 0.34% - 0s 0 0 1061.43735 0 41 1065.00000 1061.43735 0.33% - 0s 0 0 1061.44314 0 35 1065.00000 1061.44314 0.33% - 0s 0 0 1061.44441 0 42 1065.00000 1061.44441 0.33% - 0s H 0 0 1064.0000000 1061.44441 0.24% - 0s H 0 0 1063.0000000 1061.44441 0.15% - 0s 0 1 1061.55814 0 22 1063.00000 1061.55814 0.14% - 0s Cutting planes: Gomory: 1 Zero half: 8 Explored 4 nodes (267 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 87 rows, 528 columns and 6899 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 86 rows, 528 columns, 6889 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 93 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1060.73333 0.31% - 0s 0 0 1061.20833 0 38 1064.00000 1061.20833 0.26% - 0s 0 0 1061.20833 0 34 1064.00000 1061.20833 0.26% - 0s 0 0 1061.32143 0 33 1064.00000 1061.32143 0.25% - 0s 0 0 1061.40164 0 34 1064.00000 1061.40164 0.24% - 0s 0 0 1061.44300 0 33 1064.00000 1061.44300 0.24% - 0s 0 0 1061.44481 0 39 1064.00000 1061.44481 0.24% - 0s 0 0 1061.45599 0 38 1064.00000 1061.45599 0.24% - 0s 0 0 1061.45599 0 38 1064.00000 1061.45599 0.24% - 0s H 0 0 1063.0000000 1061.45599 0.15% - 0s 0 0 infeasible 0 1063.00000 1063.00000 0.0% - 0s Cutting planes: Gomory: 1 Zero half: 6 Explored 1 nodes (220 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (8, 10), (8, 12), (9, 10), (11, 33), (11, 19), (12, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 88 rows, 528 columns and 7070 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 87 rows, 528 columns, 7060 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 96 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1060.73333 0.31% - 0s 0 0 1061.28571 0 36 1064.00000 1061.28571 0.26% - 0s 0 0 1061.28571 0 34 1064.00000 1061.28571 0.26% - 0s 0 0 1061.51020 0 38 1064.00000 1061.51020 0.23% - 0s 0 0 1061.60000 0 32 1064.00000 1061.60000 0.23% - 0s 0 0 1061.64286 0 34 1064.00000 1061.64286 0.22% - 0s 0 0 1061.65385 0 34 1064.00000 1061.65385 0.22% - 0s 0 0 1061.65385 0 36 1064.00000 1061.65385 0.22% - 0s 0 0 1061.65385 0 35 1064.00000 1061.65385 0.22% - 0s H 0 0 1063.0000000 1061.65385 0.13% - 0s 0 0 infeasible 0 1063.00000 1063.00000 0.0% - 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 1 nodes (246 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 89 rows, 528 columns and 7161 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 88 rows, 528 columns, 7151 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 94 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1065.0000000 1060.73333 0.40% - 0s 0 0 1061.28571 0 36 1065.00000 1061.28571 0.35% - 0s 0 0 1061.28571 0 35 1065.00000 1061.28571 0.35% - 0s 0 0 1061.41667 0 35 1065.00000 1061.41667 0.34% - 0s 0 0 1061.44186 0 38 1065.00000 1061.44186 0.33% - 0s 0 0 1061.44648 0 39 1065.00000 1061.44648 0.33% - 0s 0 0 1061.45283 0 39 1065.00000 1061.45283 0.33% - 0s H 0 0 1064.0000000 1061.45283 0.24% - 0s H 0 0 1063.0000000 1061.45283 0.15% - 0s 0 0 cutoff 0 1063.00000 1063.00000 0.0% - 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 1 nodes (216 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 9), (9, 10), (10, 33), (11, 33), (11, 19), (16, 18), (16, 27), (17, 28), (17, 29), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (29, 30)] Optimize a model with 90 rows, 528 columns and 7371 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 89 rows, 528 columns, 7361 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1060.73333 0.31% - 0s 0 0 1061.50000 0 18 1064.00000 1061.50000 0.23% - 0s 0 0 1061.50000 0 34 1064.00000 1061.50000 0.23% - 0s 0 0 1061.71795 0 33 1064.00000 1061.71795 0.21% - 0s H 0 0 1063.0000000 1061.71795 0.12% - 0s 0 0 1061.78261 0 35 1063.00000 1061.78261 0.11% - 0s 0 0 1061.78431 0 35 1063.00000 1061.78431 0.11% - 0s 0 1 1062.00000 0 35 1063.00000 1062.00000 0.09% - 0s Cutting planes: Gomory: 4 MIR: 1 Zero half: 2 Mod-K: 1 Explored 1 nodes (243 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (14, 33)] Optimize a model with 92 rows, 528 columns and 7494 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 91 rows, 528 columns, 7484 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1065.0000000 1060.73333 0.40% - 0s 0 0 1061.50000 0 14 1065.00000 1061.50000 0.33% - 0s 0 0 1061.50000 0 35 1065.00000 1061.50000 0.33% - 0s 0 0 1061.50000 0 21 1065.00000 1061.50000 0.33% - 0s 0 0 1062.00000 0 28 1065.00000 1062.00000 0.28% - 0s 0 0 1062.00000 0 21 1065.00000 1062.00000 0.28% - 0s 0 0 1062.00000 0 28 1065.00000 1062.00000 0.28% - 0s 0 0 1062.00000 0 28 1065.00000 1062.00000 0.28% - 0s H 0 0 1064.0000000 1062.00000 0.19% - 0s 0 1 1062.00000 0 28 1064.00000 1062.00000 0.19% - 0s * 4 1 4 1063.0000000 1062.50000 0.05% 14.2 0s Cutting planes: Gomory: 3 Zero half: 1 Mod-K: 1 Explored 5 nodes (322 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 93 rows, 528 columns and 7585 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 92 rows, 528 columns, 7575 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 103 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1060.73333 1.05% - 0s 0 0 1061.50000 0 22 1072.00000 1061.50000 0.98% - 0s 0 0 1061.50000 0 36 1072.00000 1061.50000 0.98% - 0s 0 0 1061.50000 0 29 1072.00000 1061.50000 0.98% - 0s 0 0 1061.66667 0 28 1072.00000 1061.66667 0.96% - 0s 0 0 1062.00000 0 33 1072.00000 1062.00000 0.93% - 0s 0 0 1062.00000 0 14 1072.00000 1062.00000 0.93% - 0s 0 0 1062.00000 0 20 1072.00000 1062.00000 0.93% - 0s 0 0 1062.00000 0 32 1072.00000 1062.00000 0.93% - 0s 0 0 1062.00000 0 20 1072.00000 1062.00000 0.93% - 0s 0 0 1062.00000 0 32 1072.00000 1062.00000 0.93% - 0s 0 0 1062.00000 0 32 1072.00000 1062.00000 0.93% - 0s H 0 0 1070.0000000 1062.00000 0.75% - 0s 0 2 1062.00000 0 29 1070.00000 1062.00000 0.75% - 0s * 14 5 14 1063.0000000 1062.00000 0.09% 6.5 0s Cutting planes: Gomory: 2 Zero half: 9 Explored 15 nodes (476 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 33), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 94 rows, 528 columns and 7705 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 93 rows, 528 columns, 7695 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.060733e+03, 103 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1060.73333 0 38 1549.00000 1060.73333 31.5% - 0s Another try with MIP start H 0 0 1077.0000000 1060.73333 1.51% - 0s 0 0 1061.50000 0 24 1077.00000 1061.50000 1.44% - 0s 0 0 1061.50000 0 36 1077.00000 1061.50000 1.44% - 0s 0 0 1061.50000 0 26 1077.00000 1061.50000 1.44% - 0s H 0 0 1063.0000000 1061.50000 0.14% - 0s 0 0 1061.50000 0 33 1063.00000 1061.50000 0.14% - 0s 0 1 1061.50000 0 33 1063.00000 1061.50000 0.14% - 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 1 nodes (284 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 16), (6, 8), (7, 9), (7, 12), (8, 10), (9, 10), (11, 19), (11, 33), (12, 33), (16, 18), (17, 25), (17, 29), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29)] Optimize a model with 95 rows, 528 columns and 7981 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 94 rows, 528 columns, 7971 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061625e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.62500 0 29 1549.00000 1061.62500 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1061.62500 0.22% - 0s 0 0 1062.14286 0 32 1064.00000 1062.14286 0.17% - 0s 0 0 1062.14286 0 29 1064.00000 1062.14286 0.17% - 0s 0 0 1062.44444 0 33 1064.00000 1062.44444 0.15% - 0s 0 0 1063.00000 0 15 1064.00000 1063.00000 0.09% - 0s Cutting planes: Gomory: 2 Explored 0 nodes (227 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.063000000000e+03, best bound 1.063000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 96 rows, 528 columns and 8072 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 95 rows, 528 columns, 8062 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061625e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.62500 0 29 1549.00000 1061.62500 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.62500 1.06% - 0s 0 0 1062.14286 0 32 1073.00000 1062.14286 1.01% - 0s 0 0 1062.14286 0 29 1073.00000 1062.14286 1.01% - 0s 0 0 1062.16667 0 36 1073.00000 1062.16667 1.01% - 0s 0 0 1062.50000 0 14 1073.00000 1062.50000 0.98% - 0s 0 0 1062.70000 0 31 1073.00000 1062.70000 0.96% - 0s 0 0 1062.70000 0 35 1073.00000 1062.70000 0.96% - 0s 0 0 1062.70000 0 35 1073.00000 1062.70000 0.96% - 0s 0 0 1062.70000 0 27 1073.00000 1062.70000 0.96% - 0s H 0 0 1065.0000000 1062.70000 0.22% - 0s H 0 0 1064.0000000 1062.70000 0.12% - 0s 0 1 1062.77273 0 40 1064.00000 1062.77273 0.12% - 0s Cutting planes: Gomory: 2 Zero half: 1 Explored 2 nodes (319 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 33), (9, 10), (11, 33), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 97 rows, 528 columns and 8192 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 96 rows, 528 columns, 8182 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061625e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.62500 0 29 1549.00000 1061.62500 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.62500 0.97% - 0s 0 0 1062.08696 0 33 1072.00000 1062.08696 0.92% - 0s 0 0 1062.08696 0 29 1072.00000 1062.08696 0.92% - 0s 0 0 1062.18182 0 32 1072.00000 1062.18182 0.92% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 28 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 27 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 22 1072.00000 1063.00000 0.84% - 0s H 0 0 1069.0000000 1063.00000 0.56% - 0s H 0 0 1067.0000000 1063.00000 0.37% - 0s 0 0 1063.00000 0 12 1067.00000 1063.00000 0.37% - 0s H 0 0 1064.0000000 1063.00000 0.09% - 0s 0 1 1063.00000 0 11 1064.00000 1063.00000 0.09% - 0s Cutting planes: Gomory: 1 Zero half: 2 Explored 1 nodes (467 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 12), (11, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 98 rows, 528 columns and 8312 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 97 rows, 528 columns, 8302 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061625e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.62500 0 29 1549.00000 1061.62500 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1061.62500 0.22% - 0s 0 0 1062.08696 0 33 1064.00000 1062.08696 0.18% - 0s 0 0 1062.08696 0 29 1064.00000 1062.08696 0.18% - 0s 0 0 1062.50000 0 14 1064.00000 1062.50000 0.14% - 0s 0 0 1063.00000 0 29 1064.00000 1063.00000 0.09% - 0s 0 0 1063.00000 0 34 1064.00000 1063.00000 0.09% - 0s 0 0 1063.00000 0 10 1064.00000 1063.00000 0.09% - 0s 0 0 cutoff 0 1064.00000 1063.00107 0.09% - 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 0 nodes (229 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (12, 14), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 99 rows, 528 columns and 8417 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 98 rows, 528 columns, 8407 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061625e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.62500 0 29 1549.00000 1061.62500 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.62500 0.41% - 0s 0 0 1062.08696 0 33 1066.00000 1062.08696 0.37% - 0s 0 0 1062.08696 0 29 1066.00000 1062.08696 0.37% - 0s 0 0 1062.12000 0 30 1066.00000 1062.12000 0.36% - 0s 0 0 1062.36842 0 33 1066.00000 1062.36842 0.34% - 0s 0 0 1062.59574 0 33 1066.00000 1062.59574 0.32% - 0s 0 0 1062.69676 0 41 1066.00000 1062.69676 0.31% - 0s 0 0 1062.69676 0 42 1066.00000 1062.69676 0.31% - 0s 0 0 1062.69740 0 38 1066.00000 1062.69740 0.31% - 0s 0 0 1062.69740 0 43 1066.00000 1062.69740 0.31% - 0s 0 0 1062.73580 0 31 1066.00000 1062.73580 0.31% - 0s 0 0 1062.73580 0 31 1066.00000 1062.73580 0.31% - 0s H 0 0 1065.0000000 1062.73580 0.21% - 0s 0 1 1062.75000 0 17 1065.00000 1062.75000 0.21% - 0s * 6 1 6 1064.0000000 1064.00000 0.0% 9.2 0s Cutting planes: Gomory: 4 Zero half: 1 Explored 7 nodes (331 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 100 rows, 528 columns and 8570 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 99 rows, 528 columns, 8560 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061625e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.62500 0 29 1549.00000 1061.62500 31.5% - 0s Another try with MIP start H 0 0 1064.0000000 1061.62500 0.22% - 0s 0 0 1062.15789 0 30 1064.00000 1062.15789 0.17% - 0s 0 0 1062.15789 0 29 1064.00000 1062.15789 0.17% - 0s 0 0 1062.61290 0 36 1064.00000 1062.61290 0.13% - 0s 0 0 1062.77778 0 37 1064.00000 1062.77778 0.11% - 0s 0 0 1062.82353 0 29 1064.00000 1062.82353 0.11% - 0s 0 0 1062.83019 0 37 1064.00000 1062.83019 0.11% - 0s Cutting planes: Gomory: 2 Zero half: 4 Explored 0 nodes (241 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (8, 9), (9, 33), (12, 33), (12, 14)] Optimize a model with 102 rows, 528 columns and 8711 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 101 rows, 528 columns, 8701 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061625e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.62500 0 29 1549.00000 1061.62500 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.62500 0.41% - 0s 0 0 1062.08696 0 33 1066.00000 1062.08696 0.37% - 0s 0 0 1062.08696 0 29 1066.00000 1062.08696 0.37% - 0s 0 0 1062.23077 0 35 1066.00000 1062.23077 0.35% - 0s 0 0 1062.47458 0 36 1066.00000 1062.47458 0.33% - 0s 0 0 1062.64815 0 39 1066.00000 1062.64815 0.31% - 0s 0 0 1062.73942 0 42 1066.00000 1062.73942 0.31% - 0s 0 0 1062.76693 0 41 1066.00000 1062.76693 0.30% - 0s 0 0 1062.76693 0 46 1066.00000 1062.76693 0.30% - 0s 0 0 1062.81250 0 35 1066.00000 1062.81250 0.30% - 0s 0 0 1062.81250 0 40 1066.00000 1062.81250 0.30% - 0s 0 0 1062.81250 0 39 1066.00000 1062.81250 0.30% - 0s 0 0 1062.81250 0 43 1066.00000 1062.81250 0.30% - 0s 0 0 1062.86869 0 34 1066.00000 1062.86869 0.29% - 0s 0 0 1062.86957 0 25 1066.00000 1062.86957 0.29% - 0s H 0 0 1064.0000000 1062.86957 0.11% - 0s 0 0 cutoff 0 1064.00000 1064.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 1 Explored 1 nodes (354 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(11, 13), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (12, 33), (12, 14)] Optimize a model with 104 rows, 528 columns and 8834 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 103 rows, 528 columns, 8824 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061625e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.62500 0 29 1549.00000 1061.62500 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.62500 0.97% - 0s 0 0 1062.18182 0 30 1072.00000 1062.18182 0.92% - 0s 0 0 1062.18182 0 29 1072.00000 1062.18182 0.92% - 0s 0 0 1062.18182 0 32 1072.00000 1062.18182 0.92% - 0s 0 0 1062.50000 0 27 1072.00000 1062.50000 0.89% - 0s 0 0 1062.62791 0 35 1072.00000 1062.62791 0.87% - 0s 0 0 1062.62791 0 41 1072.00000 1062.62791 0.87% - 0s 0 0 1062.62791 0 38 1072.00000 1062.62791 0.87% - 0s 0 0 1062.62791 0 44 1072.00000 1062.62791 0.87% - 0s 0 0 1062.62791 0 42 1072.00000 1062.62791 0.87% - 0s H 0 0 1070.0000000 1062.62791 0.69% - 0s 0 2 1062.62791 0 42 1070.00000 1062.62791 0.69% - 0s * 7 4 6 1064.0000000 1062.73894 0.12% 9.1 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 10 nodes (423 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(2, 11), (2, 14), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(17, 29), (17, 30), (27, 32), (27, 28), (28, 29)] Optimize a model with 106 rows, 528 columns and 8940 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 105 rows, 528 columns, 8930 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1062.34375 0 32 1073.00000 1062.34375 0.99% - 0s 0 0 1062.34375 0 28 1073.00000 1062.34375 0.99% - 0s 0 0 1062.34375 0 38 1073.00000 1062.34375 0.99% - 0s H 0 0 1066.0000000 1062.34375 0.34% - 0s 0 0 1062.34375 0 36 1066.00000 1062.34375 0.34% - 0s 0 1 1062.34375 0 36 1066.00000 1062.34375 0.34% - 0s H 4 2 1064.0000000 1062.62376 0.13% 0.2 0s Cutting planes: Gomory: 6 Zero half: 4 Explored 8 nodes (480 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (8, 10), (9, 33), (9, 10), (12, 33), (12, 14)] Optimize a model with 108 rows, 528 columns and 9073 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 107 rows, 528 columns, 9063 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.66667 0.96% - 0s 0 0 1062.34615 0 32 1072.00000 1062.34615 0.90% - 0s 0 0 1062.34615 0 28 1072.00000 1062.34615 0.90% - 0s 0 0 1062.34615 0 36 1072.00000 1062.34615 0.90% - 0s H 0 0 1068.0000000 1062.34615 0.53% - 0s 0 0 1062.34615 0 36 1068.00000 1062.34615 0.53% - 0s 0 2 1062.71429 0 36 1068.00000 1062.71429 0.49% - 0s H 5 4 1067.0000000 1062.90164 0.38% 0.6 0s H 11 8 1065.0000000 1063.01150 0.19% 0.3 0s * 19 6 19 1064.0000000 1063.37500 0.06% 13.6 0s Cutting planes: Gomory: 7 Zero half: 2 Explored 20 nodes (542 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(13, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 110 rows, 528 columns and 9194 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 109 rows, 528 columns, 9184 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1062.33333 0 20 1073.00000 1062.33333 0.99% - 0s 0 0 1062.33333 0 28 1073.00000 1062.33333 0.99% - 0s 0 0 1062.40000 0 32 1073.00000 1062.40000 0.99% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.83969 0 36 1073.00000 1062.83969 0.95% - 0s 0 0 1062.85803 0 44 1073.00000 1062.85803 0.95% - 0s H 0 0 1072.0000000 1062.85803 0.85% - 0s H 0 0 1066.0000000 1062.85803 0.29% - 0s 0 0 1062.87102 0 37 1066.00000 1062.87102 0.29% - 0s 0 1 1062.89238 0 37 1066.00000 1062.89238 0.29% - 0s H 1 1 1065.0000000 1062.89238 0.20% 16.0 0s H 7 4 1064.0000000 1063.52381 0.04% 2.3 0s Cutting planes: Gomory: 3 Zero half: 2 Explored 7 nodes (454 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 111 rows, 528 columns and 9314 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 110 rows, 528 columns, 9304 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 129 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1062.34615 0 38 1066.00000 1062.34615 0.34% - 0s 0 0 1062.34615 0 28 1066.00000 1062.34615 0.34% - 0s 0 0 1062.43353 0 37 1066.00000 1062.43353 0.33% - 0s 0 0 1062.44304 0 43 1066.00000 1062.44304 0.33% - 0s 0 0 1062.60825 0 40 1066.00000 1062.60825 0.32% - 0s 0 0 1062.61953 0 48 1066.00000 1062.61953 0.32% - 0s 0 0 1062.83333 0 46 1066.00000 1062.83333 0.30% - 0s 0 0 1062.83333 0 48 1066.00000 1062.83333 0.30% - 0s 0 0 1062.83645 0 44 1066.00000 1062.83645 0.30% - 0s 0 0 1062.83645 0 48 1066.00000 1062.83645 0.30% - 0s 0 0 1063.00000 0 8 1066.00000 1063.00000 0.28% - 0s 0 0 1063.00000 0 8 1066.00000 1063.00000 0.28% - 0s H 0 0 1065.0000000 1063.00000 0.19% - 0s H 0 0 1064.0000000 1063.00000 0.09% - 0s 0 0 1064.00000 0 13 1064.00000 1064.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 13 Explored 1 nodes (376 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (13, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 112 rows, 528 columns and 9405 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 111 rows, 528 columns, 9395 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.66667 0.96% - 0s 0 0 1062.08333 0 15 1072.00000 1062.08333 0.93% - 0s 0 0 1062.08333 0 28 1072.00000 1062.08333 0.93% - 0s 0 0 1062.26230 0 33 1072.00000 1062.26230 0.91% - 0s 0 0 1062.70000 0 34 1072.00000 1062.70000 0.87% - 0s 0 0 1062.78146 0 33 1072.00000 1062.78146 0.86% - 0s 0 0 1062.84965 0 38 1072.00000 1062.84965 0.85% - 0s 0 0 1062.84965 0 41 1072.00000 1062.84965 0.85% - 0s 0 0 1062.84965 0 42 1072.00000 1062.84965 0.85% - 0s 0 0 1062.84965 0 42 1072.00000 1062.84965 0.85% - 0s H 0 0 1071.0000000 1062.84965 0.76% - 0s 0 2 1062.86682 0 42 1071.00000 1062.86682 0.76% - 0s * 3 3 2 1065.0000000 1063.14286 0.17% 17.7 0s * 13 0 8 1064.0000000 1064.00000 0.0% 6.8 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 14 nodes (419 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.064000000000e+03, best bound 1.064000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 113 rows, 528 columns and 9558 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 112 rows, 528 columns, 9548 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1062.08333 0 17 1066.00000 1062.08333 0.37% - 0s 0 0 1062.08333 0 28 1066.00000 1062.08333 0.37% - 0s 0 0 1062.30893 0 38 1066.00000 1062.30893 0.35% - 0s 0 0 1062.33333 0 21 1066.00000 1062.33333 0.34% - 0s 0 0 1062.36620 0 37 1066.00000 1062.36620 0.34% - 0s 0 0 1062.42213 0 45 1066.00000 1062.42213 0.34% - 0s 0 0 1062.50000 0 28 1066.00000 1062.50000 0.33% - 0s 0 0 1062.50000 0 18 1066.00000 1062.50000 0.33% - 0s 0 0 1062.52255 0 43 1066.00000 1062.52255 0.33% - 0s 0 0 1062.52255 0 45 1066.00000 1062.52255 0.33% - 0s 0 0 1062.55556 0 34 1066.00000 1062.55556 0.32% - 0s 0 0 1062.55914 0 45 1066.00000 1062.55914 0.32% - 0s 0 0 1062.57534 0 41 1066.00000 1062.57534 0.32% - 0s 0 0 1062.57534 0 42 1066.00000 1062.57534 0.32% - 0s 0 0 1062.58036 0 40 1066.00000 1062.58036 0.32% - 0s 0 0 1062.58159 0 45 1066.00000 1062.58159 0.32% - 0s 0 0 1062.58333 0 40 1066.00000 1062.58333 0.32% - 0s 0 0 1062.58333 0 40 1066.00000 1062.58333 0.32% - 0s 0 2 1063.00000 0 39 1066.00000 1063.00000 0.28% - 0s * 12 6 11 1065.0000000 1063.50000 0.14% 6.8 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 7 Explored 21 nodes (467 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 114 rows, 528 columns and 9678 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 113 rows, 528 columns, 9668 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 118 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.66667 0.87% - 0s 0 0 1062.22222 0 30 1071.00000 1062.22222 0.82% - 0s 0 0 1062.22222 0 28 1071.00000 1062.22222 0.82% - 0s 0 0 1062.60000 0 30 1071.00000 1062.60000 0.78% - 0s 0 0 1062.62093 0 36 1071.00000 1062.62093 0.78% - 0s 0 0 1062.62093 0 38 1071.00000 1062.62093 0.78% - 0s 0 0 1062.62093 0 36 1071.00000 1062.62093 0.78% - 0s 0 0 1062.62093 0 39 1071.00000 1062.62093 0.78% - 0s 0 0 1062.62093 0 36 1071.00000 1062.62093 0.78% - 0s 0 2 1062.63462 0 36 1071.00000 1062.63462 0.78% - 0s * 22 16 19 1066.0000000 1063.20000 0.26% 8.5 0s H 27 7 1065.0000000 1063.27273 0.16% 7.6 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 35 nodes (530 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(8, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 115 rows, 528 columns and 9756 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 114 rows, 528 columns, 9746 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 118 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1061.66667 0 32 1066.00000 1061.66667 0.41% - 0s 0 0 1061.66667 0 28 1066.00000 1061.66667 0.41% - 0s 0 0 1062.07812 0 36 1066.00000 1062.07812 0.37% - 0s 0 0 1062.11111 0 26 1066.00000 1062.11111 0.36% - 0s 0 0 1062.11111 0 29 1066.00000 1062.11111 0.36% - 0s 0 0 1062.12585 0 43 1066.00000 1062.12585 0.36% - 0s 0 0 1062.12585 0 44 1066.00000 1062.12585 0.36% - 0s 0 0 1062.12585 0 42 1066.00000 1062.12585 0.36% - 0s 0 0 1062.12585 0 45 1066.00000 1062.12585 0.36% - 0s 0 0 1062.16667 0 26 1066.00000 1062.16667 0.36% - 0s 0 0 1062.16667 0 26 1066.00000 1062.16667 0.36% - 0s 0 2 1062.16667 0 26 1066.00000 1062.16667 0.36% - 0s * 8 5 8 1065.0000000 1063.25000 0.16% 7.5 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 4 Explored 15 nodes (392 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 11), (9, 14), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 116 rows, 528 columns and 9876 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 115 rows, 528 columns, 9866 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1065.0000000 1061.66667 0.31% - 0s 0 0 1062.22222 0 30 1065.00000 1062.22222 0.26% - 0s 0 0 1062.22222 0 28 1065.00000 1062.22222 0.26% - 0s 0 0 1062.52500 0 36 1065.00000 1062.52500 0.23% - 0s 0 0 1062.57692 0 37 1065.00000 1062.57692 0.23% - 0s 0 0 1062.63136 0 40 1065.00000 1062.63136 0.22% - 0s 0 0 1062.69923 0 42 1065.00000 1062.69923 0.22% - 0s 0 0 1062.72746 0 40 1065.00000 1062.72746 0.21% - 0s 0 0 1062.73518 0 40 1065.00000 1062.73518 0.21% - 0s 0 0 1062.80000 0 37 1065.00000 1062.80000 0.21% - 0s 0 0 1062.81818 0 41 1065.00000 1062.81818 0.20% - 0s 0 0 1062.81818 0 41 1065.00000 1062.81818 0.20% - 0s 0 0 1063.00000 0 14 1065.00000 1063.00000 0.19% - 0s 0 0 1063.25000 0 16 1065.00000 1063.25000 0.16% - 0s 0 0 1063.33333 0 17 1065.00000 1063.33333 0.16% - 0s 0 0 cutoff 0 1065.00000 1064.00107 0.09% - 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 1 Explored 0 nodes (333 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 117 rows, 528 columns and 9996 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 116 rows, 528 columns, 9986 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1062.22222 0 30 1066.00000 1062.22222 0.35% - 0s 0 0 1062.22222 0 28 1066.00000 1062.22222 0.35% - 0s 0 0 1062.32143 0 27 1066.00000 1062.32143 0.35% - 0s 0 0 1062.38179 0 45 1066.00000 1062.38179 0.34% - 0s 0 0 1062.42308 0 44 1066.00000 1062.42308 0.34% - 0s 0 0 1062.44444 0 47 1066.00000 1062.44444 0.33% - 0s 0 0 1062.51515 0 43 1066.00000 1062.51515 0.33% - 0s 0 0 1062.54023 0 47 1066.00000 1062.54023 0.32% - 0s 0 0 1062.57895 0 40 1066.00000 1062.57895 0.32% - 0s 0 0 1062.58282 0 44 1066.00000 1062.58282 0.32% - 0s 0 0 1062.61412 0 44 1066.00000 1062.61412 0.32% - 0s 0 0 1062.61538 0 42 1066.00000 1062.61538 0.32% - 0s 0 0 1062.61538 0 43 1066.00000 1062.61538 0.32% - 0s 0 0 1062.61538 0 45 1066.00000 1062.61538 0.32% - 0s 0 0 1062.69231 0 28 1066.00000 1062.69231 0.31% - 0s 0 0 1062.69231 0 28 1066.00000 1062.69231 0.31% - 0s H 0 0 1065.0000000 1062.69231 0.22% - 0s 0 1 1063.00000 0 23 1065.00000 1063.00000 0.19% - 0s Cutting planes: Gomory: 2 Zero half: 4 Mod-K: 1 Explored 6 nodes (436 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (9, 10), (10, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 118 rows, 528 columns and 10149 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 117 rows, 528 columns, 10139 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1065.0000000 1061.66667 0.31% - 0s 0 0 1062.10744 0 34 1065.00000 1062.10744 0.27% - 0s 0 0 1062.10744 0 28 1065.00000 1062.10744 0.27% - 0s 0 0 1062.51220 0 37 1065.00000 1062.51220 0.23% - 0s 0 0 1062.53917 0 39 1065.00000 1062.53917 0.23% - 0s 0 0 1062.56347 0 41 1065.00000 1062.56347 0.23% - 0s 0 0 1062.71528 0 41 1065.00000 1062.71528 0.21% - 0s 0 0 1062.75517 0 40 1065.00000 1062.75517 0.21% - 0s 0 0 1062.77376 0 41 1065.00000 1062.77376 0.21% - 0s 0 0 1063.00000 0 14 1065.00000 1063.00000 0.19% - 0s 0 0 1063.25000 0 16 1065.00000 1063.25000 0.16% - 0s 0 0 1063.33333 0 15 1065.00000 1063.33333 0.16% - 0s 0 0 1064.00000 0 8 1065.00000 1064.00000 0.09% - 0s Cutting planes: Gomory: 1 MIR: 1 Explored 0 nodes (333 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 119 rows, 528 columns and 10285 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 118 rows, 528 columns, 10275 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1062.08333 0 17 1066.00000 1062.08333 0.37% - 0s 0 0 1062.08333 0 28 1066.00000 1062.08333 0.37% - 0s 0 0 1062.24498 0 38 1066.00000 1062.24498 0.35% - 0s 0 0 1062.26182 0 44 1066.00000 1062.26182 0.35% - 0s 0 0 1062.26182 0 43 1066.00000 1062.26182 0.35% - 0s 0 0 1062.26182 0 45 1066.00000 1062.26182 0.35% - 0s 0 0 1062.40000 0 21 1066.00000 1062.40000 0.34% - 0s 0 0 1062.40000 0 25 1066.00000 1062.40000 0.34% - 0s 0 0 1062.40000 0 28 1066.00000 1062.40000 0.34% - 0s 0 0 1062.40000 0 28 1066.00000 1062.40000 0.34% - 0s H 0 0 1065.0000000 1062.40000 0.24% - 0s 0 1 1062.66667 0 39 1065.00000 1062.66667 0.22% - 0s Cutting planes: Gomory: 3 MIR: 1 Zero half: 2 Explored 6 nodes (381 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 120 rows, 528 columns and 10376 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 119 rows, 528 columns, 10366 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1062.22222 0 40 1073.00000 1062.22222 1.00% - 0s 0 0 1062.22222 0 28 1073.00000 1062.22222 1.00% - 0s 0 0 1062.29851 0 32 1073.00000 1062.29851 1.00% - 0s H 0 0 1071.0000000 1062.29851 0.81% - 0s 0 0 1062.66667 0 15 1071.00000 1062.66667 0.78% - 0s 0 0 1063.00000 0 36 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 45 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 35 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 10 1071.00000 1063.00000 0.75% - 0s H 0 0 1066.0000000 1063.00000 0.28% - 0s 0 0 1063.00000 0 33 1066.00000 1063.00000 0.28% - 0s 0 1 1063.00000 0 31 1066.00000 1063.00000 0.28% - 0s H 9 6 1065.0000000 1063.04459 0.18% 3.1 0s Cutting planes: Gomory: 3 Zero half: 1 Explored 21 nodes (814 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 11), (10, 14), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 121 rows, 528 columns and 10496 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 120 rows, 528 columns, 10486 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1061.98246 0 29 1073.00000 1061.98246 1.03% - 0s 0 0 1061.98246 0 28 1073.00000 1061.98246 1.03% - 0s 0 0 1062.31765 0 42 1073.00000 1062.31765 1.00% - 0s H 0 0 1071.0000000 1062.31765 0.81% - 0s 0 0 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 21 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 13 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s H 0 0 1069.0000000 1063.00000 0.56% - 0s 0 2 1063.00000 0 14 1069.00000 1063.00000 0.56% - 0s * 23 13 19 1065.0000000 1063.16667 0.17% 7.0 0s Cutting planes: Gomory: 5 Zero half: 2 Explored 40 nodes (565 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 13), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (7, 9), (9, 33), (12, 33), (12, 14)] Optimize a model with 123 rows, 528 columns and 10629 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 122 rows, 528 columns, 10619 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.66667 0.87% - 0s 0 0 1061.98246 0 31 1071.00000 1061.98246 0.84% - 0s 0 0 1061.98246 0 28 1071.00000 1061.98246 0.84% - 0s 0 0 1062.19608 0 38 1071.00000 1062.19608 0.82% - 0s 0 0 1062.62400 0 39 1071.00000 1062.62400 0.78% - 0s 0 0 1062.63600 0 44 1071.00000 1062.63600 0.78% - 0s 0 0 1062.64536 0 46 1071.00000 1062.64536 0.78% - 0s 0 0 1062.64536 0 43 1071.00000 1062.64536 0.78% - 0s 0 0 1062.64536 0 46 1071.00000 1062.64536 0.78% - 0s 0 0 1062.64536 0 46 1071.00000 1062.64536 0.78% - 0s 0 0 1062.64536 0 46 1071.00000 1062.64536 0.78% - 0s H 0 0 1070.0000000 1062.64536 0.69% - 0s H 0 0 1069.0000000 1062.64536 0.59% - 0s H 0 0 1068.0000000 1062.64536 0.50% - 0s 0 2 1062.66667 0 41 1068.00000 1062.66667 0.50% - 0s H 6 5 1065.0000000 1063.21429 0.17% 10.5 0s Cutting planes: Gomory: 5 Zero half: 3 Explored 13 nodes (450 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 11), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 124 rows, 528 columns and 10765 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 123 rows, 528 columns, 10755 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1065.0000000 1061.66667 0.31% - 0s 0 0 1061.98246 0 29 1065.00000 1061.98246 0.28% - 0s 0 0 1061.98246 0 28 1065.00000 1061.98246 0.28% - 0s 0 0 1062.59211 0 33 1065.00000 1062.59211 0.23% - 0s 0 0 1062.60073 0 38 1065.00000 1062.60073 0.23% - 0s 0 0 1062.69231 0 40 1065.00000 1062.69231 0.22% - 0s 0 0 1062.69308 0 40 1065.00000 1062.69308 0.22% - 0s 0 0 1062.76596 0 40 1065.00000 1062.76596 0.21% - 0s 0 0 1062.77698 0 43 1065.00000 1062.77698 0.21% - 0s 0 0 1062.77872 0 42 1065.00000 1062.77872 0.21% - 0s 0 0 1062.77872 0 44 1065.00000 1062.77872 0.21% - 0s 0 0 1062.78876 0 45 1065.00000 1062.78876 0.21% - 0s 0 0 1063.33333 0 15 1065.00000 1063.33333 0.16% - 0s 0 0 1064.00000 0 14 1065.00000 1064.00000 0.09% - 0s Cutting planes: MIR: 1 Zero half: 1 Explored 0 nodes (307 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(10, 11), (10, 12), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 125 rows, 528 columns and 10870 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 124 rows, 528 columns, 10860 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.66667 0.78% - 0s 0 0 1061.98246 0 31 1070.00000 1061.98246 0.75% - 0s 0 0 1061.98246 0 28 1070.00000 1061.98246 0.75% - 0s 0 0 1062.33333 0 20 1070.00000 1062.33333 0.72% - 0s H 0 0 1066.0000000 1062.33333 0.34% - 0s 0 0 1062.66667 0 21 1066.00000 1062.66667 0.31% - 0s 0 1 1062.70000 0 21 1066.00000 1062.70000 0.31% - 0s H 17 11 1065.0000000 1063.26402 0.16% 0.8 0s Cutting planes: Gomory: 6 MIR: 1 Explored 20 nodes (554 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 126 rows, 528 columns and 10948 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 125 rows, 528 columns, 10938 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1062.33333 0 20 1073.00000 1062.33333 0.99% - 0s 0 0 1062.33333 0 28 1073.00000 1062.33333 0.99% - 0s 0 0 1062.60000 0 28 1073.00000 1062.60000 0.97% - 0s H 0 0 1072.0000000 1062.60000 0.88% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s H 0 0 1067.0000000 1063.00000 0.37% - 0s 0 0 1063.00000 0 8 1067.00000 1063.00000 0.37% - 0s 0 2 1063.04762 0 8 1067.00000 1063.04762 0.37% - 0s H 1 2 1066.0000000 1063.04762 0.28% 1.0 0s H 16 11 1065.0000000 1063.49725 0.14% 0.1 0s Cutting planes: Gomory: 4 Zero half: 22 Explored 24 nodes (736 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(12, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 127 rows, 528 columns and 11026 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 126 rows, 528 columns, 11016 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1068.0000000 1061.66667 0.59% - 0s 0 0 1062.33333 0 20 1068.00000 1062.33333 0.53% - 0s 0 0 1062.33333 0 28 1068.00000 1062.33333 0.53% - 0s 0 0 1062.50000 0 25 1068.00000 1062.50000 0.51% - 0s 0 0 1062.50000 0 27 1068.00000 1062.50000 0.51% - 0s 0 0 1062.53390 0 40 1068.00000 1062.53390 0.51% - 0s 0 0 1062.61538 0 30 1068.00000 1062.61538 0.50% - 0s 0 0 1062.65432 0 39 1068.00000 1062.65432 0.50% - 0s 0 0 1062.68367 0 45 1068.00000 1062.68367 0.50% - 0s 0 0 1062.69710 0 48 1068.00000 1062.69710 0.50% - 0s 0 0 1062.70526 0 30 1068.00000 1062.70526 0.50% - 0s 0 0 1062.70526 0 30 1068.00000 1062.70526 0.50% - 0s 0 2 1062.71429 0 30 1068.00000 1062.71429 0.49% - 0s * 16 10 14 1066.0000000 1063.18033 0.26% 5.8 0s * 21 1 3 1065.0000000 1064.00000 0.09% 6.0 0s Cutting planes: Gomory: 3 MIR: 1 Zero half: 4 Explored 23 nodes (457 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (14, 33), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 128 rows, 528 columns and 11236 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 127 rows, 528 columns, 11226 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 124 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1062.22222 0 40 1073.00000 1062.22222 1.00% - 0s 0 0 1062.22222 0 28 1073.00000 1062.22222 1.00% - 0s 0 0 1062.43750 0 36 1073.00000 1062.43750 0.98% - 0s 0 0 1063.00000 0 29 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s H 0 0 1066.0000000 1063.00000 0.28% - 0s 0 0 1063.00000 0 33 1066.00000 1063.00000 0.28% - 0s 0 1 1063.00000 0 32 1066.00000 1063.00000 0.28% - 0s H 18 12 1065.0000000 1063.49258 0.14% 1.9 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 22 nodes (925 simplex iterations) in 0.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 12), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 129 rows, 528 columns and 11341 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 128 rows, 528 columns, 11331 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 124 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1065.0000000 1061.66667 0.31% - 0s 0 0 1062.22222 0 40 1065.00000 1062.22222 0.26% - 0s 0 0 1062.22222 0 28 1065.00000 1062.22222 0.26% - 0s 0 0 1062.56667 0 34 1065.00000 1062.56667 0.23% - 0s 0 0 1062.58763 0 36 1065.00000 1062.58763 0.23% - 0s 0 0 1062.60406 0 37 1065.00000 1062.60406 0.22% - 0s 0 0 1062.67105 0 41 1065.00000 1062.67105 0.22% - 0s 0 0 1062.70588 0 42 1065.00000 1062.70588 0.22% - 0s 0 0 1062.71041 0 42 1065.00000 1062.71041 0.21% - 0s 0 0 1062.71240 0 43 1065.00000 1062.71240 0.21% - 0s 0 0 1063.00000 0 8 1065.00000 1063.00000 0.19% - 0s 0 0 1064.00000 0 12 1065.00000 1064.00000 0.09% - 0s 0 0 1064.00000 0 12 1065.00000 1064.00000 0.09% - 0s 0 0 infeasible 0 1065.00000 1064.00107 0.09% - 0s Explored 0 nodes (346 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 11), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 130 rows, 528 columns and 11477 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 129 rows, 528 columns, 11467 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1062.28571 0 29 1066.00000 1062.28571 0.35% - 0s 0 0 1062.28571 0 28 1066.00000 1062.28571 0.35% - 0s 0 0 1062.40476 0 33 1066.00000 1062.40476 0.34% - 0s 0 0 1062.44304 0 42 1066.00000 1062.44304 0.33% - 0s 0 0 1062.60825 0 41 1066.00000 1062.60825 0.32% - 0s 0 0 1062.63074 0 47 1066.00000 1062.63074 0.32% - 0s 0 0 1062.64253 0 47 1066.00000 1062.64253 0.31% - 0s 0 0 1062.64253 0 49 1066.00000 1062.64253 0.31% - 0s 0 0 1062.89286 0 41 1066.00000 1062.89286 0.29% - 0s 0 0 1062.89286 0 46 1066.00000 1062.89286 0.29% - 0s 0 0 1062.90323 0 44 1066.00000 1062.90323 0.29% - 0s 0 0 1062.91475 0 48 1066.00000 1062.91475 0.29% - 0s 0 0 1062.91611 0 49 1066.00000 1062.91611 0.29% - 0s 0 0 1062.91881 0 51 1066.00000 1062.91881 0.29% - 0s 0 0 1063.00000 0 17 1066.00000 1063.00000 0.28% - 0s 0 0 1063.00000 0 16 1066.00000 1063.00000 0.28% - 0s 0 2 1063.00000 0 16 1066.00000 1063.00000 0.28% - 0s * 37 2 9 1065.0000000 1065.00000 0.0% 7.4 0s Cutting planes: Gomory: 3 Zero half: 14 Explored 38 nodes (690 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 13), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 131 rows, 528 columns and 11568 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 130 rows, 528 columns, 11558 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 124 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1062.22222 0 40 1066.00000 1062.22222 0.35% - 0s 0 0 1062.22222 0 28 1066.00000 1062.22222 0.35% - 0s 0 0 1062.38095 0 35 1066.00000 1062.38095 0.34% - 0s 0 0 1062.39869 0 37 1066.00000 1062.39869 0.34% - 0s 0 0 1062.45238 0 42 1066.00000 1062.45238 0.33% - 0s 0 0 1062.49177 0 40 1066.00000 1062.49177 0.33% - 0s 0 0 1062.49534 0 45 1066.00000 1062.49534 0.33% - 0s 0 0 1062.49534 0 42 1066.00000 1062.49534 0.33% - 0s 0 0 1062.49534 0 41 1066.00000 1062.49534 0.33% - 0s 0 0 1062.49534 0 44 1066.00000 1062.49534 0.33% - 0s 0 0 1062.60000 0 28 1066.00000 1062.60000 0.32% - 0s 0 0 1062.60759 0 32 1066.00000 1062.60759 0.32% - 0s 0 0 1062.61538 0 27 1066.00000 1062.61538 0.32% - 0s 0 0 1062.61538 0 27 1066.00000 1062.61538 0.32% - 0s H 0 0 1065.0000000 1062.61538 0.22% - 0s 0 1 1063.35484 0 21 1065.00000 1063.35484 0.15% - 0s Cutting planes: Gomory: 3 MIR: 1 Zero half: 2 Explored 3 nodes (370 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(7, 9), (9, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 8), (6, 13), (8, 10), (10, 33), (12, 33), (12, 14)] Optimize a model with 133 rows, 528 columns and 11695 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 132 rows, 528 columns, 11685 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1061.66667 0 28 1066.00000 1061.66667 0.41% - 0s 0 0 1061.66667 0 28 1066.00000 1061.66667 0.41% - 0s 0 0 1062.32650 0 36 1066.00000 1062.32650 0.34% - 0s 0 0 1062.46140 0 42 1066.00000 1062.46140 0.33% - 0s 0 0 1062.67495 0 41 1066.00000 1062.67495 0.31% - 0s 0 0 1062.67495 0 45 1066.00000 1062.67495 0.31% - 0s 0 0 1062.69977 0 46 1066.00000 1062.69977 0.31% - 0s 0 0 1062.70341 0 47 1066.00000 1062.70341 0.31% - 0s 0 0 1062.83190 0 39 1066.00000 1062.83190 0.30% - 0s 0 0 1062.83562 0 39 1066.00000 1062.83562 0.30% - 0s 0 0 1062.86543 0 40 1066.00000 1062.86543 0.29% - 0s 0 0 1062.89531 0 43 1066.00000 1062.89531 0.29% - 0s 0 0 1062.89534 0 46 1066.00000 1062.89534 0.29% - 0s 0 0 1062.89621 0 47 1066.00000 1062.89621 0.29% - 0s 0 0 1062.93220 0 32 1066.00000 1062.93220 0.29% - 0s 0 0 1062.96894 0 35 1066.00000 1062.96894 0.28% - 0s 0 0 1063.00000 0 8 1066.00000 1063.00000 0.28% - 0s 0 0 1063.00337 0 30 1066.00000 1063.00337 0.28% - 0s 0 0 1063.00337 0 30 1066.00000 1063.00337 0.28% - 0s 0 2 1063.01299 0 30 1066.00000 1063.01299 0.28% - 0s * 19 2 9 1065.0000000 1063.64000 0.13% 4.5 0s Cutting planes: Gomory: 3 Zero half: 10 Explored 22 nodes (501 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.065000000000e+03, best bound 1.065000000000e+03, gap 0.0% adding cut for [(9, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (6, 13), (7, 8), (8, 10), (10, 33), (12, 33), (12, 14)] Optimize a model with 135 rows, 528 columns and 11818 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 134 rows, 528 columns, 11808 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1066.0000000 1061.66667 0.41% - 0s 0 0 1062.28333 0 34 1066.00000 1062.28333 0.35% - 0s 0 0 1062.28333 0 28 1066.00000 1062.28333 0.35% - 0s 0 0 1062.40244 0 38 1066.00000 1062.40244 0.34% - 0s 0 0 1062.50000 0 27 1066.00000 1062.50000 0.33% - 0s 0 0 1062.50000 0 29 1066.00000 1062.50000 0.33% - 0s 0 0 1062.50303 0 41 1066.00000 1062.50303 0.33% - 0s 0 0 1062.55556 0 43 1066.00000 1062.55556 0.32% - 0s 0 0 1062.61268 0 42 1066.00000 1062.61268 0.32% - 0s 0 0 1062.61824 0 48 1066.00000 1062.61824 0.32% - 0s 0 0 1062.61824 0 47 1066.00000 1062.61824 0.32% - 0s 0 0 1062.61824 0 49 1066.00000 1062.61824 0.32% - 0s 0 0 1062.65769 0 44 1066.00000 1062.65769 0.31% - 0s 0 0 1062.65769 0 49 1066.00000 1062.65769 0.31% - 0s 0 0 1062.85714 0 19 1066.00000 1062.85714 0.29% - 0s 0 0 1062.94737 0 31 1066.00000 1062.94737 0.29% - 0s 0 0 1063.00000 0 19 1066.00000 1063.00000 0.28% - 0s 0 0 1063.00000 0 19 1066.00000 1063.00000 0.28% - 0s 0 2 1063.00000 0 19 1066.00000 1063.00000 0.28% - 0s Cutting planes: Gomory: 3 MIR: 1 Zero half: 3 Explored 25 nodes (493 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 33), (11, 33), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 136 rows, 528 columns and 11971 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 135 rows, 528 columns, 11961 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 151 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1061.98246 0 31 1073.00000 1061.98246 1.03% - 0s 0 0 1061.98246 0 28 1073.00000 1061.98246 1.03% - 0s 0 0 1062.19753 0 39 1073.00000 1062.19753 1.01% - 0s 0 0 1062.46765 0 43 1073.00000 1062.46765 0.98% - 0s 0 0 1062.68826 0 45 1073.00000 1062.68826 0.96% - 0s 0 0 1062.75740 0 28 1073.00000 1062.75740 0.95% - 0s 0 0 1062.75740 0 32 1073.00000 1062.75740 0.95% - 0s 0 0 1062.75740 0 30 1073.00000 1062.75740 0.95% - 0s H 0 0 1068.0000000 1062.75740 0.49% - 0s 0 0 1062.75740 0 34 1068.00000 1062.75740 0.49% - 0s 0 2 1062.84107 0 34 1068.00000 1062.84107 0.48% - 0s H 1 2 1067.0000000 1062.84107 0.39% 2.0 0s * 24 10 18 1066.0000000 1063.81148 0.21% 14.6 0s Cutting planes: Gomory: 7 MIR: 2 Zero half: 1 Mod-K: 1 Explored 47 nodes (792 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (13, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 137 rows, 528 columns and 12076 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 136 rows, 528 columns, 12066 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 135 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.66667 0.78% - 0s 0 0 1062.20408 0 32 1070.00000 1062.20408 0.73% - 0s 0 0 1062.20408 0 28 1070.00000 1062.20408 0.73% - 0s 0 0 1062.23684 0 33 1070.00000 1062.23684 0.73% - 0s 0 0 1062.50933 0 41 1070.00000 1062.50933 0.70% - 0s 0 0 1062.75000 0 42 1070.00000 1062.75000 0.68% - 0s 0 0 1062.75000 0 32 1070.00000 1062.75000 0.68% - 0s 0 0 1062.77350 0 41 1070.00000 1062.77350 0.68% - 0s 0 0 1062.77500 0 48 1070.00000 1062.77500 0.68% - 0s 0 0 1062.77582 0 53 1070.00000 1062.77582 0.68% - 0s H 0 0 1069.0000000 1062.77582 0.58% - 0s 0 2 1062.81229 0 47 1069.00000 1062.81229 0.58% - 0s * 20 14 17 1067.0000000 1063.54307 0.32% 8.2 0s * 23 12 19 1066.0000000 1063.54307 0.23% 7.4 0s Cutting planes: Gomory: 7 Zero half: 7 Explored 48 nodes (718 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 13), (9, 33), (9, 10), (11, 33), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 138 rows, 528 columns and 12212 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 137 rows, 528 columns, 12202 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.66667 0.96% - 0s 0 0 1062.11538 0 38 1072.00000 1062.11538 0.92% - 0s 0 0 1062.11538 0 28 1072.00000 1062.11538 0.92% - 0s 0 0 1062.19149 0 31 1072.00000 1062.19149 0.91% - 0s 0 0 1062.50000 0 33 1072.00000 1062.50000 0.89% - 0s 0 0 1063.00000 0 38 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 41 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 25 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 19 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 28 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s H 0 0 1066.0000000 1063.00000 0.28% - 0s 0 2 1063.00000 0 18 1066.00000 1063.00000 0.28% - 0s Cutting planes: Gomory: 3 Zero half: 1 Explored 49 nodes (1119 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 33), (11, 33), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 139 rows, 528 columns and 12332 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 138 rows, 528 columns, 12322 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 136 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1062.17808 0 33 1073.00000 1062.17808 1.01% - 0s 0 0 1062.17808 0 28 1073.00000 1062.17808 1.01% - 0s 0 0 1062.21528 0 39 1073.00000 1062.21528 1.01% - 0s 0 0 1062.53846 0 32 1073.00000 1062.53846 0.97% - 0s 0 0 1062.75730 0 39 1073.00000 1062.75730 0.95% - 0s 0 0 1062.76271 0 43 1073.00000 1062.76271 0.95% - 0s 0 0 1062.76271 0 44 1073.00000 1062.76271 0.95% - 0s 0 0 1062.76271 0 47 1073.00000 1062.76271 0.95% - 0s 0 0 1062.76271 0 47 1073.00000 1062.76271 0.95% - 0s H 0 0 1072.0000000 1062.76271 0.86% - 0s H 0 0 1067.0000000 1062.76271 0.40% - 0s 0 2 1062.80837 0 30 1067.00000 1062.80837 0.39% - 0s * 5 3 4 1066.0000000 1063.16829 0.27% 16.2 0s Cutting planes: Gomory: 5 Zero half: 2 Explored 22 nodes (511 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 10), (9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 140 rows, 528 columns and 12452 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 139 rows, 528 columns, 12442 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 131 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1062.20565 0 36 1073.00000 1062.20565 1.01% - 0s 0 0 1062.20565 0 28 1073.00000 1062.20565 1.01% - 0s 0 0 1062.41166 0 37 1073.00000 1062.41166 0.99% - 0s H 0 0 1071.0000000 1062.41166 0.80% - 0s 0 0 1062.90749 0 30 1071.00000 1062.90749 0.76% - 0s 0 0 1062.90749 0 34 1071.00000 1062.90749 0.76% - 0s 0 0 1062.90749 0 32 1071.00000 1062.90749 0.76% - 0s 0 0 1062.90749 0 34 1071.00000 1062.90749 0.76% - 0s 0 0 1062.90749 0 32 1071.00000 1062.90749 0.76% - 0s 0 0 1062.90749 0 36 1071.00000 1062.90749 0.76% - 0s 0 0 1062.90749 0 36 1071.00000 1062.90749 0.76% - 0s 0 2 1062.92635 0 36 1071.00000 1062.92635 0.75% - 0s * 22 15 19 1067.0000000 1063.07416 0.37% 7.9 0s * 35 14 12 1066.0000000 1063.42096 0.24% 6.3 0s Cutting planes: Gomory: 3 Zero half: 8 Explored 60 nodes (766 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(6, 8), (7, 8), (7, 10), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 141 rows, 528 columns and 12572 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 140 rows, 528 columns, 12562 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 130 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.66667 1.06% - 0s 0 0 1062.25000 0 30 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 28 1073.00000 1062.25000 1.00% - 0s 0 0 1062.37190 0 38 1073.00000 1062.37190 0.99% - 0s 0 0 1063.00000 0 43 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 43 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 35 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 13 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s H 0 0 1066.0000000 1063.00000 0.28% - 0s 0 2 1063.00000 0 11 1066.00000 1063.00000 0.28% - 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 77 nodes (1089 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (14, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 142 rows, 528 columns and 12677 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 141 rows, 528 columns, 12667 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061667e+03, 129 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.66667 0 28 1549.00000 1061.66667 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.66667 0.69% - 0s 0 0 1062.29167 0 34 1069.00000 1062.29167 0.63% - 0s 0 0 1062.29167 0 28 1069.00000 1062.29167 0.63% - 0s 0 0 1062.61111 0 34 1069.00000 1062.61111 0.60% - 0s 0 0 1062.65385 0 37 1069.00000 1062.65385 0.59% - 0s 0 0 1063.00000 0 18 1069.00000 1063.00000 0.56% - 0s 0 0 1063.03750 0 38 1069.00000 1063.03750 0.56% - 0s 0 0 1063.04891 0 47 1069.00000 1063.04891 0.56% - 0s 0 0 1063.05102 0 37 1069.00000 1063.05102 0.56% - 0s 0 0 1063.05102 0 37 1069.00000 1063.05102 0.56% - 0s 0 0 1063.05102 0 38 1069.00000 1063.05102 0.56% - 0s H 0 0 1067.0000000 1063.05102 0.37% - 0s H 0 0 1066.0000000 1063.05102 0.28% - 0s 0 2 1063.05479 0 35 1066.00000 1063.05479 0.28% - 0s Cutting planes: Gomory: 4 Zero half: 7 Explored 19 nodes (481 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 143 rows, 528 columns and 12755 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 142 rows, 528 columns, 12745 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.69231 1.05% - 0s 0 0 1062.61765 0 40 1073.00000 1062.61765 0.97% - 0s 0 0 1062.61765 0 29 1073.00000 1062.61765 0.97% - 0s 0 0 1062.67339 0 41 1073.00000 1062.67339 0.96% - 0s H 0 0 1072.0000000 1062.67339 0.87% - 0s 0 0 1062.77320 0 37 1072.00000 1062.77320 0.86% - 0s 0 0 1062.80786 0 41 1072.00000 1062.80786 0.86% - 0s 0 0 1062.80786 0 44 1072.00000 1062.80786 0.86% - 0s 0 0 1062.80786 0 42 1072.00000 1062.80786 0.86% - 0s 0 0 1062.80786 0 45 1072.00000 1062.80786 0.86% - 0s 0 0 1062.80786 0 45 1072.00000 1062.80786 0.86% - 0s H 0 0 1066.0000000 1062.80786 0.30% - 0s 0 1 1062.91030 0 33 1066.00000 1062.91030 0.29% - 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 12 nodes (444 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 10), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 144 rows, 528 columns and 12860 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 143 rows, 528 columns, 12850 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.69231 0.96% - 0s 0 0 1062.51572 0 41 1072.00000 1062.51572 0.88% - 0s 0 0 1062.51572 0 29 1072.00000 1062.51572 0.88% - 0s 0 0 1062.53521 0 42 1072.00000 1062.53521 0.88% - 0s 0 0 1062.74934 0 42 1072.00000 1062.74934 0.86% - 0s 0 0 1062.94657 0 42 1072.00000 1062.94657 0.84% - 0s 0 0 1062.95964 0 47 1072.00000 1062.95964 0.84% - 0s 0 0 1062.95964 0 51 1072.00000 1062.95964 0.84% - 0s 0 0 1062.95964 0 42 1072.00000 1062.95964 0.84% - 0s 0 0 1062.95964 0 45 1072.00000 1062.95964 0.84% - 0s 0 0 1062.95964 0 45 1072.00000 1062.95964 0.84% - 0s H 0 0 1071.0000000 1062.95964 0.75% - 0s 0 2 1062.98086 0 45 1071.00000 1062.98086 0.75% - 0s * 26 16 24 1067.0000000 1063.47964 0.33% 8.3 0s * 38 11 5 1066.0000000 1063.53333 0.23% 7.3 0s Cutting planes: Gomory: 6 Zero half: 1 Mod-K: 1 Explored 56 nodes (767 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(15, 16), (16, 27), (17, 29), (17, 30), (27, 28), (28, 29)] Optimize a model with 146 rows, 528 columns and 12959 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 145 rows, 528 columns, 12949 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.69231 1.05% - 0s 0 0 1062.51572 0 41 1073.00000 1062.51572 0.98% - 0s 0 0 1062.51572 0 29 1073.00000 1062.51572 0.98% - 0s 0 0 1062.51572 0 40 1073.00000 1062.51572 0.98% - 0s 0 0 1062.82906 0 40 1073.00000 1062.82906 0.95% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 10 1073.00000 1063.00000 0.93% - 0s H 0 0 1069.0000000 1063.00000 0.56% - 0s 0 0 1063.00000 0 14 1069.00000 1063.00000 0.56% - 0s 0 2 1063.05156 0 14 1069.00000 1063.05156 0.56% - 0s H 12 9 1067.0000000 1063.34140 0.34% 0.8 0s H 12 8 1066.0000000 1063.34140 0.25% 0.8 0s Cutting planes: Gomory: 9 MIR: 1 Zero half: 4 Explored 40 nodes (794 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 11), (10, 12), (11, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 147 rows, 528 columns and 13095 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 146 rows, 528 columns, 13085 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.69231 0.96% - 0s 0 0 1062.51572 0 41 1072.00000 1062.51572 0.88% - 0s 0 0 1062.51572 0 29 1072.00000 1062.51572 0.88% - 0s 0 0 1062.56771 0 38 1072.00000 1062.56771 0.88% - 0s 0 0 1062.78765 0 38 1072.00000 1062.78765 0.86% - 0s 0 0 1063.00000 0 43 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 37 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 41 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s H 0 0 1069.0000000 1063.00000 0.56% - 0s 0 0 1063.00000 0 37 1069.00000 1063.00000 0.56% - 0s 0 2 1063.00000 0 37 1069.00000 1063.00000 0.56% - 0s H 15 11 1067.0000000 1063.09288 0.37% 1.2 0s * 22 12 16 1066.0000000 1065.00000 0.09% 24.9 0s Cutting planes: Gomory: 9 MIR: 1 Zero half: 1 Explored 29 nodes (953 simplex iterations) in 0.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(6, 11), (6, 13), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (7, 9), (9, 10), (10, 33), (12, 33), (12, 14)] Optimize a model with 149 rows, 528 columns and 13222 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 148 rows, 528 columns, 13212 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.69231 0.96% - 0s 0 0 1062.51572 0 41 1072.00000 1062.51572 0.88% - 0s 0 0 1062.51572 0 29 1072.00000 1062.51572 0.88% - 0s 0 0 1062.56771 0 38 1072.00000 1062.56771 0.88% - 0s 0 0 1062.78765 0 38 1072.00000 1062.78765 0.86% - 0s 0 0 1063.00000 0 43 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 37 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 41 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 36 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s H 0 0 1067.0000000 1063.00000 0.37% - 0s 0 0 1063.00000 0 35 1067.00000 1063.00000 0.37% - 0s 0 2 1063.00000 0 10 1067.00000 1063.00000 0.37% - 0s * 46 6 28 1066.0000000 1064.50000 0.14% 16.0 0s Cutting planes: Gomory: 7 MIR: 6 Zero half: 10 Explored 55 nodes (1344 simplex iterations) in 0.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 150 rows, 528 columns and 13313 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 149 rows, 528 columns, 13303 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.69231 0.96% - 0s 0 0 1062.51572 0 41 1072.00000 1062.51572 0.88% - 0s 0 0 1062.51572 0 29 1072.00000 1062.51572 0.88% - 0s 0 0 1062.56771 0 38 1072.00000 1062.56771 0.88% - 0s 0 0 1062.78765 0 38 1072.00000 1062.78765 0.86% - 0s 0 0 1063.00000 0 43 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 37 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 41 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 36 1072.00000 1063.00000 0.84% - 0s H 0 0 1071.0000000 1063.00000 0.75% - 0s 0 0 1063.00000 0 18 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 10 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 21 1071.00000 1063.00000 0.75% - 0s H 0 0 1067.0000000 1063.00000 0.37% - 0s 0 0 1063.00000 0 20 1067.00000 1063.00000 0.37% - 0s 0 2 1063.00000 0 13 1067.00000 1063.00000 0.37% - 0s * 47 1 16 1066.0000000 1066.00000 0.0% 12.4 0s Cutting planes: Gomory: 10 MIR: 4 Zero half: 9 Explored 48 nodes (1320 simplex iterations) in 0.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 13), (10, 11), (11, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 151 rows, 528 columns and 13466 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 150 rows, 528 columns, 13456 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.69231 0.96% - 0s 0 0 1062.51572 0 41 1072.00000 1062.51572 0.88% - 0s 0 0 1062.51572 0 29 1072.00000 1062.51572 0.88% - 0s 0 0 1062.56771 0 38 1072.00000 1062.56771 0.88% - 0s 0 0 1062.78765 0 38 1072.00000 1062.78765 0.86% - 0s 0 0 1063.00000 0 43 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 37 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 41 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 36 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 32 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 31 1072.00000 1063.00000 0.84% - 0s H 0 0 1069.0000000 1063.00000 0.56% - 0s 0 0 1063.00000 0 14 1069.00000 1063.00000 0.56% - 0s 0 2 1063.01763 0 14 1069.00000 1063.01763 0.56% - 0s * 30 11 20 1067.0000000 1063.79592 0.30% 32.0 0s * 32 7 21 1066.0000000 1063.79592 0.21% 30.6 0s Cutting planes: Gomory: 5 MIR: 3 Zero half: 8 Explored 60 nodes (1711 simplex iterations) in 0.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(6, 10), (9, 10), (9, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 152 rows, 528 columns and 13602 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 151 rows, 528 columns, 13592 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.69231 0.87% - 0s 0 0 1062.42857 0 36 1071.00000 1062.42857 0.80% - 0s 0 0 1062.42857 0 29 1071.00000 1062.42857 0.80% - 0s 0 0 1062.50784 0 39 1071.00000 1062.50784 0.79% - 0s 0 0 1062.66101 0 40 1071.00000 1062.66101 0.78% - 0s 0 0 1062.82015 0 45 1071.00000 1062.82015 0.76% - 0s 0 0 1062.82015 0 44 1071.00000 1062.82015 0.76% - 0s 0 0 1062.82015 0 48 1071.00000 1062.82015 0.76% - 0s 0 0 1062.82015 0 45 1071.00000 1062.82015 0.76% - 0s 0 0 1062.82015 0 48 1071.00000 1062.82015 0.76% - 0s 0 0 1062.82015 0 48 1071.00000 1062.82015 0.76% - 0s 0 0 1062.82015 0 48 1071.00000 1062.82015 0.76% - 0s H 0 0 1068.0000000 1062.82015 0.49% - 0s 0 2 1062.82514 0 42 1068.00000 1062.82514 0.48% - 0s * 31 8 5 1067.0000000 1063.72093 0.31% 6.3 0s * 44 1 4 1066.0000000 1066.00000 0.0% 7.5 0s Cutting planes: Gomory: 3 Zero half: 3 Explored 45 nodes (642 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.066000000000e+03, best bound 1.066000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 9), (7, 12), (9, 10), (10, 11), (11, 19), (12, 14), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 153 rows, 528 columns and 13812 nonzeros Presolve time: 0.01s Presolved: 153 rows, 528 columns, 13812 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1067.0000000 1061.69231 0.50% - 0s 0 0 1062.42857 0 36 1067.00000 1062.42857 0.43% - 0s 0 0 1062.42857 0 29 1067.00000 1062.42857 0.43% - 0s 0 0 1062.69571 0 40 1067.00000 1062.69571 0.40% - 0s 0 0 1062.72289 0 43 1067.00000 1062.72289 0.40% - 0s 0 0 1062.79909 0 47 1067.00000 1062.79909 0.39% - 0s 0 0 1062.80751 0 49 1067.00000 1062.80751 0.39% - 0s 0 0 1062.81607 0 47 1067.00000 1062.81607 0.39% - 0s 0 0 1062.84799 0 38 1067.00000 1062.84799 0.39% - 0s 0 0 1062.84799 0 37 1067.00000 1062.84799 0.39% - 0s 0 0 1062.84799 0 37 1067.00000 1062.84799 0.39% - 0s 0 2 1062.99641 0 37 1067.00000 1062.99641 0.38% - 0s Cutting planes: Gomory: 5 MIR: 1 Zero half: 4 Explored 51 nodes (667 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (13, 33), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 154 rows, 528 columns and 13932 nonzeros Presolve time: 0.01s Presolved: 154 rows, 528 columns, 13932 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.69231 0.96% - 0s 0 0 1062.42857 0 36 1072.00000 1062.42857 0.89% - 0s 0 0 1062.42857 0 29 1072.00000 1062.42857 0.89% - 0s 0 0 1062.44289 0 38 1072.00000 1062.44289 0.89% - 0s H 0 0 1068.0000000 1062.44289 0.52% - 0s 0 0 1062.83486 0 39 1068.00000 1062.83486 0.48% - 0s 0 1 1062.83582 0 39 1068.00000 1062.83582 0.48% - 0s H 19 12 1067.0000000 1063.25215 0.35% 0.2 0s Cutting planes: Gomory: 9 Zero half: 23 Explored 71 nodes (892 simplex iterations) in 0.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (12, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 155 rows, 528 columns and 14037 nonzeros Presolve time: 0.01s Presolved: 155 rows, 528 columns, 14037 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.69231 1.05% - 0s 0 0 1062.42857 0 36 1073.00000 1062.42857 0.99% - 0s 0 0 1062.42857 0 29 1073.00000 1062.42857 0.99% - 0s 0 0 1062.58374 0 34 1073.00000 1062.58374 0.97% - 0s 0 0 1062.82472 0 40 1073.00000 1062.82472 0.95% - 0s 0 0 1062.84397 0 42 1073.00000 1062.84397 0.95% - 0s 0 0 1062.84397 0 42 1073.00000 1062.84397 0.95% - 0s 0 0 1062.84397 0 43 1073.00000 1062.84397 0.95% - 0s H 0 0 1072.0000000 1062.84397 0.85% - 0s H 0 0 1070.0000000 1062.84397 0.67% - 0s 0 2 1062.85096 0 43 1070.00000 1062.85096 0.67% - 0s * 22 12 21 1067.0000000 1063.61057 0.32% 8.9 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 54 nodes (753 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(7, 10), (7, 12), (10, 11), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 156 rows, 528 columns and 14157 nonzeros Presolve time: 0.01s Presolved: 156 rows, 528 columns, 14157 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 133 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.69231 0.96% - 0s 0 0 1062.25000 0 33 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 29 1072.00000 1062.25000 0.91% - 0s 0 0 1062.50000 0 36 1072.00000 1062.50000 0.89% - 0s 0 0 1062.54605 0 42 1072.00000 1062.54605 0.88% - 0s 0 0 1062.54605 0 44 1072.00000 1062.54605 0.88% - 0s 0 0 1062.54605 0 41 1072.00000 1062.54605 0.88% - 0s H 0 0 1071.0000000 1062.54605 0.79% - 0s 0 0 1062.54605 0 47 1071.00000 1062.54605 0.79% - 0s 0 0 1062.54605 0 40 1071.00000 1062.54605 0.79% - 0s H 0 0 1068.0000000 1062.54605 0.51% - 0s 0 2 1062.59459 0 29 1068.00000 1062.59459 0.51% - 0s * 27 8 8 1067.0000000 1064.33333 0.25% 6.4 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 43 nodes (652 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 157 rows, 528 columns and 14262 nonzeros Presolve time: 0.01s Presolved: 157 rows, 528 columns, 14262 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061692e+03, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69231 0 29 1549.00000 1061.69231 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.69231 0.68% - 0s 0 0 1062.42857 0 36 1069.00000 1062.42857 0.61% - 0s 0 0 1062.42857 0 29 1069.00000 1062.42857 0.61% - 0s 0 0 1062.54687 0 32 1069.00000 1062.54687 0.60% - 0s 0 0 1062.87432 0 35 1069.00000 1062.87432 0.57% - 0s 0 0 1063.00000 0 30 1069.00000 1063.00000 0.56% - 0s 0 0 1063.00000 0 35 1069.00000 1063.00000 0.56% - 0s 0 0 1063.00000 0 25 1069.00000 1063.00000 0.56% - 0s 0 0 1063.00000 0 34 1069.00000 1063.00000 0.56% - 0s 0 0 1063.00000 0 31 1069.00000 1063.00000 0.56% - 0s 0 0 1063.00000 0 31 1069.00000 1063.00000 0.56% - 0s 0 2 1063.00000 0 31 1069.00000 1063.00000 0.56% - 0s * 52 27 52 1068.0000000 1063.11554 0.46% 4.1 0s H 66 23 1067.0000000 1063.48322 0.33% 4.7 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 100 nodes (1062 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 33), (11, 19), (14, 33), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 158 rows, 528 columns and 14415 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 157 rows, 528 columns, 14279 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 41 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 48 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 41 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 45 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 45 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 45 1070.00000 1062.71498 0.68% - 0s 0 2 1062.82361 0 45 1070.00000 1062.82361 0.67% - 0s * 32 16 29 1067.0000000 1063.72222 0.31% 7.1 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 60 nodes (769 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(7, 11), (7, 12), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 159 rows, 528 columns and 14520 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 158 rows, 528 columns, 14384 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 41 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58209 0 46 1070.00000 1062.58209 0.69% - 0s 0 0 1062.58209 0 46 1070.00000 1062.58209 0.69% - 0s 0 0 1062.58209 0 49 1070.00000 1062.58209 0.69% - 0s 0 0 1062.72180 0 41 1070.00000 1062.72180 0.68% - 0s 0 0 1062.72180 0 45 1070.00000 1062.72180 0.68% - 0s 0 0 1062.72180 0 45 1070.00000 1062.72180 0.68% - 0s 0 0 1062.72180 0 45 1070.00000 1062.72180 0.68% - 0s H 0 0 1069.0000000 1062.72180 0.59% - 0s 0 2 1062.79163 0 41 1069.00000 1062.79163 0.58% - 0s * 24 11 23 1067.0000000 1063.45645 0.33% 6.2 0s Cutting planes: Gomory: 5 Zero half: 2 Mod-K: 2 Explored 62 nodes (768 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(13, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 12), (12, 14)] Optimize a model with 161 rows, 528 columns and 14643 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 160 rows, 528 columns, 14507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 130 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.69841 0.68% - 0s 0 0 1062.47773 0 43 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 41 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 40 1069.00000 1062.47773 0.61% - 0s 0 0 1062.58209 0 43 1069.00000 1062.58209 0.60% - 0s 0 0 1062.72180 0 41 1069.00000 1062.72180 0.59% - 0s 0 0 1062.72180 0 46 1069.00000 1062.72180 0.59% - 0s 0 0 1062.72180 0 43 1069.00000 1062.72180 0.59% - 0s 0 0 1062.72180 0 48 1069.00000 1062.72180 0.59% - 0s 0 0 1062.73731 0 39 1069.00000 1062.73731 0.59% - 0s 0 2 1062.80725 0 39 1069.00000 1062.80725 0.58% - 0s * 23 9 21 1068.0000000 1063.45645 0.43% 6.9 0s * 47 8 4 1067.0000000 1065.00000 0.19% 7.5 0s Cutting planes: Gomory: 3 Zero half: 1 Mod-K: 4 Explored 57 nodes (755 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 162 rows, 528 columns and 14763 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 161 rows, 528 columns, 14627 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 41 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1067.0000000 1061.69841 0.50% - 0s 0 0 1062.47773 0 41 1067.00000 1062.47773 0.42% - 0s 0 0 1062.47773 0 40 1067.00000 1062.47773 0.42% - 0s 0 0 1062.58156 0 43 1067.00000 1062.58156 0.41% - 0s 0 0 1062.66560 0 44 1067.00000 1062.66560 0.41% - 0s 0 0 1062.66862 0 47 1067.00000 1062.66862 0.41% - 0s 0 0 1062.70969 0 51 1067.00000 1062.70969 0.40% - 0s 0 0 1062.71238 0 52 1067.00000 1062.71238 0.40% - 0s 0 0 1062.73256 0 51 1067.00000 1062.73256 0.40% - 0s 0 0 1062.73256 0 52 1067.00000 1062.73256 0.40% - 0s 0 0 1062.76388 0 51 1067.00000 1062.76388 0.40% - 0s 0 0 1062.76388 0 52 1067.00000 1062.76388 0.40% - 0s 0 0 1062.82265 0 41 1067.00000 1062.82265 0.39% - 0s 0 0 1062.84621 0 39 1067.00000 1062.84621 0.39% - 0s 0 0 1062.92131 0 33 1067.00000 1062.92131 0.38% - 0s 0 2 1062.94241 0 29 1067.00000 1062.94241 0.38% - 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 33 nodes (516 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 8), (7, 9), (9, 10), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 163 rows, 528 columns and 14883 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 162 rows, 528 columns, 14747 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 141 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 41 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1067.0000000 1061.69841 0.50% - 0s 0 0 1062.47773 0 41 1067.00000 1062.47773 0.42% - 0s 0 0 1062.47773 0 40 1067.00000 1062.47773 0.42% - 0s 0 0 1062.58156 0 43 1067.00000 1062.58156 0.41% - 0s 0 0 1062.66560 0 44 1067.00000 1062.66560 0.41% - 0s 0 0 1062.66862 0 47 1067.00000 1062.66862 0.41% - 0s 0 0 1062.70969 0 51 1067.00000 1062.70969 0.40% - 0s 0 0 1062.71238 0 51 1067.00000 1062.71238 0.40% - 0s 0 0 1062.72311 0 51 1067.00000 1062.72311 0.40% - 0s 0 0 1062.78490 0 52 1067.00000 1062.78490 0.40% - 0s 0 0 1062.78845 0 53 1067.00000 1062.78845 0.39% - 0s 0 0 1062.83956 0 50 1067.00000 1062.83956 0.39% - 0s 0 0 1062.93011 0 43 1067.00000 1062.93011 0.38% - 0s 0 0 1062.94004 0 36 1067.00000 1062.94004 0.38% - 0s 0 0 1062.94004 0 36 1067.00000 1062.94004 0.38% - 0s 0 2 1062.94681 0 36 1067.00000 1062.94681 0.38% - 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 34 nodes (577 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 164 rows, 528 columns and 15054 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 163 rows, 528 columns, 14918 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1068.0000000 1061.69841 0.59% - 0s 0 0 1062.47773 0 43 1068.00000 1062.47773 0.52% - 0s 0 0 1062.47773 0 40 1068.00000 1062.47773 0.52% - 0s 0 0 1062.58379 0 46 1068.00000 1062.58379 0.51% - 0s 0 0 1062.82616 0 39 1068.00000 1062.82616 0.48% - 0s 0 0 1062.85136 0 44 1068.00000 1062.85136 0.48% - 0s 0 0 1062.88265 0 50 1068.00000 1062.88265 0.48% - 0s 0 0 1062.89367 0 48 1068.00000 1062.89367 0.48% - 0s 0 0 1062.89367 0 48 1068.00000 1062.89367 0.48% - 0s 0 2 1062.95409 0 48 1068.00000 1062.95409 0.47% - 0s * 37 10 12 1067.0000000 1065.00000 0.19% 8.1 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 52 nodes (727 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(10, 11), (10, 12), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 165 rows, 528 columns and 15145 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.01s Presolved: 164 rows, 528 columns, 15009 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 49 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 40 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.73402 0 32 1070.00000 1062.73402 0.68% - 0s 0 0 1062.73402 0 29 1070.00000 1062.73402 0.68% - 0s H 0 0 1069.0000000 1062.73402 0.59% - 0s 0 2 1062.82361 0 26 1069.00000 1062.82361 0.58% - 0s * 24 17 20 1068.0000000 1063.70796 0.40% 7.2 0s * 30 9 8 1067.0000000 1064.13333 0.27% 7.0 0s Cutting planes: Gomory: 3 Zero half: 2 Explored 58 nodes (688 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 166 rows, 528 columns and 15265 nonzeros Presolve time: 0.01s Presolved: 166 rows, 528 columns, 15265 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 41 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 38 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 43 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.81330 0 46 1070.00000 1062.81330 0.67% - 0s 0 0 1063.00000 0 10 1070.00000 1063.00000 0.65% - 0s 0 0 1063.00000 0 10 1070.00000 1063.00000 0.65% - 0s 0 0 1063.00000 0 16 1070.00000 1063.00000 0.65% - 0s 0 0 1063.00000 0 12 1070.00000 1063.00000 0.65% - 0s H 0 0 1068.0000000 1063.00000 0.47% - 0s 0 0 1063.00000 0 18 1068.00000 1063.00000 0.47% - 0s 0 2 1063.15750 0 18 1068.00000 1063.15750 0.45% - 0s * 20 12 12 1067.0000000 1063.42469 0.34% 18.1 0s Cutting planes: Gomory: 8 MIR: 2 Zero half: 9 Explored 41 nodes (869 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (13, 33), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 167 rows, 528 columns and 15436 nonzeros Presolve time: 0.01s Presolved: 167 rows, 528 columns, 15436 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.69841 0.68% - 0s 0 0 1062.47773 0 43 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 43 1069.00000 1062.47773 0.61% - 0s 0 0 1062.54087 0 35 1069.00000 1062.54087 0.60% - 0s 0 0 1062.61261 0 40 1069.00000 1062.61261 0.60% - 0s 0 0 1062.68268 0 45 1069.00000 1062.68268 0.59% - 0s 0 0 1062.68268 0 43 1069.00000 1062.68268 0.59% - 0s 0 0 1062.68323 0 45 1069.00000 1062.68323 0.59% - 0s 0 0 1062.74295 0 42 1069.00000 1062.74295 0.59% - 0s 0 0 1062.74295 0 43 1069.00000 1062.74295 0.59% - 0s 0 0 1062.74295 0 47 1069.00000 1062.74295 0.59% - 0s 0 0 1062.74295 0 47 1069.00000 1062.74295 0.59% - 0s 0 0 1062.80231 0 38 1069.00000 1062.80231 0.58% - 0s 0 0 1062.80231 0 38 1069.00000 1062.80231 0.58% - 0s H 0 0 1068.0000000 1062.80231 0.49% - 0s 0 2 1062.83526 0 36 1068.00000 1062.83526 0.48% - 0s * 30 8 7 1067.0000000 1064.50000 0.23% 7.3 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 52 nodes (685 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 12), (9, 10), (10, 11), (11, 19), (12, 13), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 168 rows, 528 columns and 15607 nonzeros Presolve time: 0.01s Presolved: 168 rows, 528 columns, 15607 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58536 0 47 1070.00000 1062.58536 0.69% - 0s 0 0 1062.71232 0 40 1070.00000 1062.71232 0.68% - 0s 0 0 1062.71232 0 44 1070.00000 1062.71232 0.68% - 0s 0 0 1062.71232 0 40 1070.00000 1062.71232 0.68% - 0s 0 0 1062.71232 0 44 1070.00000 1062.71232 0.68% - 0s 0 0 1062.71232 0 44 1070.00000 1062.71232 0.68% - 0s 0 2 1062.81800 0 44 1070.00000 1062.81800 0.67% - 0s * 23 14 19 1068.0000000 1063.45645 0.43% 9.9 0s * 75 7 7 1067.0000000 1065.58824 0.13% 7.3 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 83 nodes (877 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(15, 16), (16, 18), (17, 28), (17, 29), (18, 26), (26, 27), (27, 28), (29, 30)] adding cut for [(11, 19), (11, 22), (19, 20), (20, 23), (21, 22), (21, 24), (23, 25), (24, 25)] Optimize a model with 170 rows, 528 columns and 15671 nonzeros Presolve time: 0.01s Presolved: 170 rows, 528 columns, 15671 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 124 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 48 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 40 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 46 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 42 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 47 1070.00000 1062.71498 0.68% - 0s 0 0 1062.73402 0 38 1070.00000 1062.73402 0.68% - 0s 0 0 1062.73402 0 32 1070.00000 1062.73402 0.68% - 0s H 0 0 1069.0000000 1062.73402 0.59% - 0s 0 2 1062.82361 0 32 1069.00000 1062.82361 0.58% - 0s * 15 8 12 1068.0000000 1063.45645 0.43% 11.5 0s * 72 3 6 1067.0000000 1066.00000 0.09% 7.5 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 76 nodes (876 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 8), (7, 12), (9, 10), (9, 12), (10, 11), (11, 19), (17, 28), (17, 29), (18, 26), (18, 27), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (29, 30)] Optimize a model with 171 rows, 528 columns and 15881 nonzeros Presolve time: 0.01s Presolved: 171 rows, 528 columns, 15881 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.54373 0 47 1070.00000 1062.54373 0.70% - 0s 0 0 1062.62678 0 50 1070.00000 1062.62678 0.69% - 0s 0 0 1062.77633 0 42 1070.00000 1062.77633 0.68% - 0s 0 0 1062.77633 0 48 1070.00000 1062.77633 0.68% - 0s 0 0 1062.77633 0 43 1070.00000 1062.77633 0.68% - 0s 0 0 1062.77633 0 50 1070.00000 1062.77633 0.68% - 0s 0 0 1062.81393 0 48 1070.00000 1062.81393 0.67% - 0s 0 0 1062.81393 0 42 1070.00000 1062.81393 0.67% - 0s H 0 0 1069.0000000 1062.81393 0.58% - 0s 0 2 1062.96212 0 29 1069.00000 1062.96212 0.56% - 0s H 27 13 1068.0000000 1063.41593 0.43% 7.9 0s * 31 8 6 1067.0000000 1063.45645 0.33% 7.9 0s Cutting planes: Gomory: 5 Zero half: 4 Mod-K: 1 Explored 57 nodes (724 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(2, 11), (2, 14), (11, 19), (17, 28), (17, 29), (18, 26), (18, 27), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (29, 30)] Optimize a model with 172 rows, 528 columns and 16017 nonzeros Presolve time: 0.01s Presolved: 172 rows, 528 columns, 16017 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 114 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 48 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 40 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 46 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 42 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 47 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 47 1070.00000 1062.71498 0.68% - 0s H 0 0 1069.0000000 1062.71498 0.59% - 0s 0 2 1062.82361 0 38 1069.00000 1062.82361 0.58% - 0s * 21 10 19 1068.0000000 1063.45645 0.43% 8.6 0s * 48 7 5 1067.0000000 1065.50000 0.14% 8.2 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 58 nodes (798 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.067000000000e+03, best bound 1.067000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 173 rows, 528 columns and 16122 nonzeros Presolve time: 0.01s Presolved: 173 rows, 528 columns, 16122 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1068.0000000 1061.69841 0.59% - 0s 0 0 1062.47773 0 43 1068.00000 1062.47773 0.52% - 0s 0 0 1062.47773 0 40 1068.00000 1062.47773 0.52% - 0s 0 0 1062.58379 0 46 1068.00000 1062.58379 0.51% - 0s 0 0 1062.68852 0 45 1068.00000 1062.68852 0.50% - 0s 0 0 1062.69040 0 43 1068.00000 1062.69040 0.50% - 0s 0 0 1062.81687 0 43 1068.00000 1062.81687 0.49% - 0s 0 0 1062.84719 0 48 1068.00000 1062.84719 0.48% - 0s 0 0 1062.84728 0 49 1068.00000 1062.84728 0.48% - 0s 0 0 1062.90446 0 45 1068.00000 1062.90446 0.48% - 0s 0 0 1062.91574 0 50 1068.00000 1062.91574 0.48% - 0s 0 0 1062.91651 0 48 1068.00000 1062.91651 0.48% - 0s 0 0 1062.92148 0 44 1068.00000 1062.92148 0.48% - 0s 0 0 1062.92148 0 44 1068.00000 1062.92148 0.48% - 0s 0 2 1062.95816 0 44 1068.00000 1062.95816 0.47% - 0s Cutting planes: Gomory: 4 Zero half: 8 Explored 109 nodes (824 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 33), (11, 19), (12, 33), (12, 14), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 174 rows, 528 columns and 16242 nonzeros Presolve time: 0.01s Presolved: 174 rows, 528 columns, 16242 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.69841 0.68% - 0s 0 0 1062.47773 0 45 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 41 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 40 1069.00000 1062.47773 0.61% - 0s 0 0 1062.58594 0 43 1069.00000 1062.58594 0.60% - 0s 0 0 1062.71498 0 40 1069.00000 1062.71498 0.59% - 0s 0 0 1062.71498 0 42 1069.00000 1062.71498 0.59% - 0s 0 0 1062.74046 0 44 1069.00000 1062.74046 0.59% - 0s 0 0 1062.74046 0 47 1069.00000 1062.74046 0.59% - 0s 0 0 1062.74046 0 48 1069.00000 1062.74046 0.59% - 0s 0 0 1062.87457 0 39 1069.00000 1062.87457 0.57% - 0s 0 0 1062.90108 0 36 1069.00000 1062.90108 0.57% - 0s H 0 0 1068.0000000 1062.90108 0.48% - 0s 0 2 1062.95992 0 36 1068.00000 1062.95992 0.47% - 0s Cutting planes: Gomory: 3 Zero half: 10 Explored 78 nodes (801 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 175 rows, 528 columns and 16333 nonzeros Presolve time: 0.01s Presolved: 175 rows, 528 columns, 16333 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 49 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 40 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.73402 0 32 1070.00000 1062.73402 0.68% - 0s 0 0 1062.73402 0 32 1070.00000 1062.73402 0.68% - 0s H 0 0 1068.0000000 1062.73402 0.49% - 0s 0 2 1062.82361 0 32 1068.00000 1062.82361 0.48% - 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 77 nodes (874 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 176 rows, 528 columns and 16438 nonzeros Presolve time: 0.01s Presolved: 176 rows, 528 columns, 16438 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.69841 0.68% - 0s 0 0 1062.47773 0 43 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 41 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 40 1069.00000 1062.47773 0.61% - 0s 0 0 1062.58209 0 43 1069.00000 1062.58209 0.60% - 0s 0 0 1062.72180 0 41 1069.00000 1062.72180 0.59% - 0s 0 0 1062.72180 0 46 1069.00000 1062.72180 0.59% - 0s 0 0 1062.72180 0 43 1069.00000 1062.72180 0.59% - 0s 0 0 1062.72180 0 47 1069.00000 1062.72180 0.59% - 0s 0 0 1062.73731 0 38 1069.00000 1062.73731 0.59% - 0s 0 0 1062.73731 0 38 1069.00000 1062.73731 0.59% - 0s 0 2 1062.80725 0 36 1069.00000 1062.80725 0.58% - 0s * 29 8 26 1068.0000000 1064.00000 0.37% 5.7 0s Cutting planes: Gomory: 3 Zero half: 3 Mod-K: 3 Explored 74 nodes (838 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 11), (11, 19), (15, 32), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 177 rows, 528 columns and 16543 nonzeros Presolve time: 0.01s Presolved: 177 rows, 528 columns, 16543 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 49 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 40 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.73402 0 30 1070.00000 1062.73402 0.68% - 0s 0 0 1062.73402 0 30 1070.00000 1062.73402 0.68% - 0s H 0 0 1069.0000000 1062.73402 0.59% - 0s 0 2 1062.82361 0 30 1069.00000 1062.82361 0.58% - 0s H 30 10 1068.0000000 1064.13333 0.36% 6.5 0s Cutting planes: Gomory: 3 Zero half: 4 Explored 93 nodes (901 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 178 rows, 528 columns and 16663 nonzeros Presolve time: 0.01s Presolved: 178 rows, 528 columns, 16663 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 45 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 49 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 40 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.73402 0 30 1070.00000 1062.73402 0.68% - 0s 0 0 1062.73402 0 30 1070.00000 1062.73402 0.68% - 0s H 0 0 1069.0000000 1062.73402 0.59% - 0s 0 2 1062.82361 0 30 1069.00000 1062.82361 0.58% - 0s * 27 8 24 1068.0000000 1064.13333 0.36% 6.3 0s Cutting planes: Gomory: 3 Zero half: 4 Explored 95 nodes (837 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 15), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 179 rows, 528 columns and 16741 nonzeros Presolve time: 0.01s Presolved: 179 rows, 528 columns, 16741 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 48 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 41 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 45 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 45 1070.00000 1062.71498 0.68% - 0s 0 0 1062.73402 0 31 1070.00000 1062.73402 0.68% - 0s 0 0 1062.73402 0 26 1070.00000 1062.73402 0.68% - 0s H 0 0 1069.0000000 1062.73402 0.59% - 0s 0 2 1062.82361 0 26 1069.00000 1062.82361 0.58% - 0s * 31 12 29 1068.0000000 1063.89655 0.38% 5.1 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 82 nodes (800 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 11), (7, 12), (11, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 180 rows, 528 columns and 16877 nonzeros Presolve time: 0.01s Presolved: 180 rows, 528 columns, 16877 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 49 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 40 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 47 1070.00000 1062.71498 0.68% - 0s 0 0 1062.73402 0 29 1070.00000 1062.73402 0.68% - 0s 0 0 1062.73402 0 29 1070.00000 1062.73402 0.68% - 0s H 0 0 1069.0000000 1062.73402 0.59% - 0s 0 2 1062.82361 0 29 1069.00000 1062.82361 0.58% - 0s * 38 16 16 1068.0000000 1064.22123 0.35% 5.7 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 92 nodes (922 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 181 rows, 528 columns and 16968 nonzeros Presolve time: 0.01s Presolved: 181 rows, 528 columns, 16968 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 49 1070.00000 1062.58594 0.69% - 0s 0 0 1062.71498 0 40 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 44 1070.00000 1062.71498 0.68% - 0s 0 0 1062.71498 0 47 1070.00000 1062.71498 0.68% - 0s 0 0 1062.73402 0 29 1070.00000 1062.73402 0.68% - 0s 0 0 1062.73402 0 29 1070.00000 1062.73402 0.68% - 0s H 0 0 1069.0000000 1062.73402 0.59% - 0s 0 2 1062.82361 0 29 1069.00000 1062.82361 0.58% - 0s * 40 16 18 1068.0000000 1064.22123 0.35% 6.5 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 90 nodes (935 simplex iterations) in 0.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 182 rows, 528 columns and 17073 nonzeros Presolve time: 0.01s Presolved: 182 rows, 528 columns, 17073 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 45 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 42 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 42 1070.00000 1062.64315 0.69% - 0s H 0 0 1069.0000000 1062.64315 0.59% - 0s 0 2 1062.70475 0 42 1069.00000 1062.70475 0.59% - 0s * 11 7 10 1068.0000000 1063.45645 0.43% 9.1 0s Cutting planes: Gomory: 5 Zero half: 4 Explored 89 nodes (923 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 11), (11, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 183 rows, 528 columns and 17209 nonzeros Presolve time: 0.01s Presolved: 183 rows, 528 columns, 17209 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 45 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s H 0 0 1068.0000000 1062.64315 0.50% - 0s 0 2 1062.70475 0 41 1068.00000 1062.70475 0.50% - 0s Cutting planes: Gomory: 5 Zero half: 4 Explored 116 nodes (1037 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 10), (10, 11), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 184 rows, 528 columns and 17345 nonzeros Presolve time: 0.01s Presolved: 184 rows, 528 columns, 17345 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 43 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s H 0 0 1068.0000000 1062.64315 0.50% - 0s 0 2 1062.70475 0 41 1068.00000 1062.70475 0.50% - 0s Cutting planes: Gomory: 5 Zero half: 4 Explored 118 nodes (1040 simplex iterations) in 0.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 11), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 185 rows, 528 columns and 17465 nonzeros Presolve time: 0.01s Presolved: 185 rows, 528 columns, 17465 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 45 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s H 0 0 1069.0000000 1062.64315 0.59% - 0s 0 2 1062.70475 0 41 1069.00000 1062.70475 0.59% - 0s * 32 13 12 1068.0000000 1063.60000 0.41% 6.5 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 149 nodes (1188 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 9), (9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 186 rows, 528 columns and 17570 nonzeros Presolve time: 0.01s Presolved: 186 rows, 528 columns, 17570 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.69841 0.68% - 0s 0 0 1062.47773 0 45 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 43 1069.00000 1062.47773 0.61% - 0s 0 0 1062.47773 0 43 1069.00000 1062.47773 0.61% - 0s 0 0 1062.58594 0 46 1069.00000 1062.58594 0.60% - 0s 0 0 1062.71498 0 40 1069.00000 1062.71498 0.59% - 0s 0 0 1062.71498 0 44 1069.00000 1062.71498 0.59% - 0s 0 0 1062.71498 0 42 1069.00000 1062.71498 0.59% - 0s 0 0 1062.71498 0 48 1069.00000 1062.71498 0.59% - 0s 0 0 1062.72959 0 50 1069.00000 1062.72959 0.59% - 0s 0 0 1062.72959 0 51 1069.00000 1062.72959 0.59% - 0s 0 0 1062.73029 0 52 1069.00000 1062.73029 0.59% - 0s 0 0 1062.73042 0 49 1069.00000 1062.73042 0.59% - 0s 0 0 1062.73042 0 49 1069.00000 1062.73042 0.59% - 0s 0 2 1062.74120 0 49 1069.00000 1062.74120 0.59% - 0s * 56 13 9 1068.0000000 1064.19608 0.36% 6.0 0s Cutting planes: Gomory: 6 Zero half: 8 Explored 99 nodes (954 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(2, 11), (2, 14), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 187 rows, 528 columns and 17690 nonzeros Presolve time: 0.01s Presolved: 187 rows, 528 columns, 17690 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.47773 0 45 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 42 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 42 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 42 1070.00000 1062.64315 0.69% - 0s H 0 0 1069.0000000 1062.64315 0.59% - 0s 0 2 1062.70475 0 41 1069.00000 1062.70475 0.59% - 0s * 87 25 7 1068.0000000 1064.45455 0.33% 5.9 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 154 nodes (1178 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (11, 14), (11, 19), (14, 33), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 188 rows, 528 columns and 17900 nonzeros Presolve time: 0.01s Presolved: 188 rows, 528 columns, 17900 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 41 1070.00000 1062.42500 0.71% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s H 0 0 1069.0000000 1062.64315 0.59% - 0s 0 2 1062.70475 0 41 1069.00000 1062.70475 0.59% - 0s H 109 29 1068.0000000 1064.51515 0.33% 5.6 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 167 nodes (1314 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 10), (7, 12), (10, 11), (11, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 189 rows, 528 columns and 18053 nonzeros Presolve time: 0.01s Presolved: 189 rows, 528 columns, 18053 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 41 1070.00000 1062.42500 0.71% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 42 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 41 1070.00000 1062.64315 0.69% - 0s 0 2 1062.70475 0 41 1070.00000 1062.70475 0.68% - 0s * 22 8 19 1069.0000000 1063.45645 0.52% 8.2 0s * 68 27 19 1068.0000000 1064.00000 0.37% 6.6 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 123 nodes (1081 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 10), (10, 11), (11, 19), (15, 32), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 190 rows, 528 columns and 18173 nonzeros Presolve time: 0.01s Presolved: 190 rows, 528 columns, 18173 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 41 1070.00000 1062.42500 0.71% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 39 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 39 1070.00000 1062.64315 0.69% - 0s H 0 0 1069.0000000 1062.64315 0.59% - 0s 0 2 1062.70475 0 39 1069.00000 1062.70475 0.59% - 0s * 165 7 7 1068.0000000 1066.66667 0.12% 6.4 0s Cutting planes: Gomory: 5 Zero half: 12 Explored 175 nodes (1420 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.068000000000e+03, best bound 1.068000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 191 rows, 528 columns and 18251 nonzeros Presolve time: 0.01s Presolved: 191 rows, 528 columns, 18251 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 41 1070.00000 1062.42500 0.71% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 42 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 42 1070.00000 1062.64315 0.69% - 0s H 0 0 1069.0000000 1062.64315 0.59% - 0s 0 2 1062.70475 0 42 1069.00000 1062.70475 0.59% - 0s Cutting planes: Gomory: 6 Zero half: 4 Explored 233 nodes (1679 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 10), (7, 9), (9, 33), (10, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 192 rows, 528 columns and 18461 nonzeros Presolve time: 0.01s Presolved: 192 rows, 528 columns, 18461 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 41 1070.00000 1062.42500 0.71% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 43 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 43 1070.00000 1062.64315 0.69% - 0s H 0 0 1069.0000000 1062.64315 0.59% - 0s 0 2 1062.70475 0 43 1069.00000 1062.70475 0.59% - 0s Cutting planes: Gomory: 6 Zero half: 6 Explored 186 nodes (1450 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 12), (7, 11), (11, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 193 rows, 528 columns and 18614 nonzeros Presolve time: 0.01s Presolved: 193 rows, 528 columns, 18614 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 41 1070.00000 1062.42500 0.71% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 44 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s H 0 0 1069.0000000 1062.58594 0.60% - 0s 0 2 1062.70475 0 42 1069.00000 1062.70475 0.59% - 0s Cutting planes: Gomory: 6 Zero half: 5 Explored 178 nodes (1356 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 12), (7, 10), (10, 11), (11, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 194 rows, 528 columns and 18785 nonzeros Presolve time: 0.01s Presolved: 194 rows, 528 columns, 18785 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 41 1070.00000 1062.42500 0.71% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 47 1070.00000 1062.58594 0.69% - 0s 0 2 1063.00000 0 43 1070.00000 1063.00000 0.65% - 0s * 28 18 26 1069.0000000 1063.50371 0.51% 8.7 0s Cutting planes: Gomory: 5 Zero half: 19 Explored 200 nodes (1674 simplex iterations) in 0.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(11, 19), (15, 32), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 195 rows, 528 columns and 18863 nonzeros Presolve time: 0.01s Presolved: 195 rows, 528 columns, 18863 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.42500 0 40 1070.00000 1062.42500 0.71% - 0s 0 0 1062.42500 0 41 1070.00000 1062.42500 0.71% - 0s 0 0 1062.47773 0 41 1070.00000 1062.47773 0.70% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 42 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 43 1070.00000 1062.58594 0.69% - 0s 0 0 1062.58594 0 46 1070.00000 1062.58594 0.69% - 0s 0 0 1062.64315 0 42 1070.00000 1062.64315 0.69% - 0s 0 0 1062.64315 0 42 1070.00000 1062.64315 0.69% - 0s H 0 0 1069.0000000 1062.64315 0.59% - 0s 0 2 1062.70475 0 42 1069.00000 1062.70475 0.59% - 0s Cutting planes: Gomory: 5 Zero half: 11 Explored 212 nodes (1600 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(10, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (6, 12), (7, 8), (8, 9), (9, 33), (12, 13), (14, 33)] Optimize a model with 197 rows, 528 columns and 18986 nonzeros Presolve time: 0.01s Presolved: 197 rows, 528 columns, 18986 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 46 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 42 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 2 1062.62175 0 48 1070.00000 1062.62175 0.69% - 0s * 27 19 25 1069.0000000 1063.45645 0.52% 7.6 0s Cutting planes: Gomory: 6 Zero half: 5 Explored 230 nodes (1748 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 198 rows, 528 columns and 19139 nonzeros Presolve time: 0.01s Presolved: 198 rows, 528 columns, 19139 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 136 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 42 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 2 1062.62175 0 48 1070.00000 1062.62175 0.69% - 0s * 56 26 26 1069.0000000 1064.00000 0.47% 6.3 0s Cutting planes: Gomory: 6 Zero half: 5 Explored 258 nodes (1925 simplex iterations) in 0.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (8, 10), (8, 12), (9, 10), (9, 11), (11, 14), (12, 13)] Optimize a model with 200 rows, 528 columns and 19266 nonzeros Presolve time: 0.01s Presolved: 200 rows, 528 columns, 19266 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 133 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 47 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 42 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.68852 0 48 1070.00000 1062.68852 0.68% - 0s 0 0 1062.68852 0 48 1070.00000 1062.68852 0.68% - 0s 0 2 1062.69382 0 48 1070.00000 1062.69382 0.68% - 0s * 18 10 17 1069.0000000 1063.21212 0.54% 5.8 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 176 nodes (1485 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (7, 12), (8, 10), (9, 10), (9, 11), (11, 14), (12, 13)] Optimize a model with 202 rows, 528 columns and 19389 nonzeros Presolve time: 0.01s Presolved: 202 rows, 528 columns, 19389 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 133 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 47 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 42 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s H 0 0 1069.0000000 1062.61871 0.60% - 0s 0 2 1062.70787 0 38 1069.00000 1062.70787 0.59% - 0s Cutting planes: Gomory: 6 Zero half: 10 Explored 199 nodes (1628 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 19), (12, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 203 rows, 528 columns and 19480 nonzeros Presolve time: 0.01s Presolved: 203 rows, 528 columns, 19480 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 133 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.69841 0.68% - 0s 0 0 1062.60987 0 45 1069.00000 1062.60987 0.60% - 0s 0 0 1062.60987 0 41 1069.00000 1062.60987 0.60% - 0s 0 0 1062.60987 0 43 1069.00000 1062.60987 0.60% - 0s 0 0 1062.72015 0 46 1069.00000 1062.72015 0.59% - 0s 0 0 1062.74800 0 46 1069.00000 1062.74800 0.58% - 0s 0 0 1062.82788 0 48 1069.00000 1062.82788 0.58% - 0s 0 0 1062.87979 0 48 1069.00000 1062.87979 0.57% - 0s 0 0 1062.88887 0 49 1069.00000 1062.88887 0.57% - 0s 0 0 1062.88887 0 49 1069.00000 1062.88887 0.57% - 0s 0 0 1062.89030 0 51 1069.00000 1062.89030 0.57% - 0s 0 0 1062.98860 0 46 1069.00000 1062.98860 0.56% - 0s 0 0 1062.98860 0 46 1069.00000 1062.98860 0.56% - 0s 0 2 1063.00000 0 46 1069.00000 1063.00000 0.56% - 0s Cutting planes: Gomory: 5 Zero half: 7 Mod-K: 1 Explored 117 nodes (1203 simplex iterations) in 0.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (8, 10), (10, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 205 rows, 528 columns and 19613 nonzeros Presolve time: 0.01s Presolved: 205 rows, 528 columns, 19613 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 136 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 47 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 49 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 43 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 49 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 44 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 49 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 49 1070.00000 1062.73323 0.68% - 0s 0 2 1062.78467 0 49 1070.00000 1062.78467 0.67% - 0s H 54 19 1069.0000000 1064.85714 0.39% 7.9 0s Cutting planes: Gomory: 3 Zero half: 7 Explored 130 nodes (1282 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 206 rows, 528 columns and 19749 nonzeros Presolve time: 0.01s Presolved: 206 rows, 528 columns, 19749 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 139 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 47 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 49 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 43 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 49 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 44 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 46 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 2 1062.82702 0 51 1070.00000 1062.82702 0.67% - 0s * 49 18 11 1069.0000000 1065.00000 0.37% 8.6 0s Cutting planes: Gomory: 3 Zero half: 10 Explored 138 nodes (1350 simplex iterations) in 0.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 207 rows, 528 columns and 19869 nonzeros Presolve time: 0.01s Presolved: 207 rows, 528 columns, 19869 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 43 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.79585 0 48 1070.00000 1062.79585 0.67% - 0s 0 0 1062.79585 0 48 1070.00000 1062.79585 0.67% - 0s 0 2 1062.80153 0 48 1070.00000 1062.80153 0.67% - 0s * 67 22 7 1069.0000000 1064.75000 0.40% 7.5 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 134 nodes (1278 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 15), (6, 7), (6, 13), (7, 8), (8, 10), (9, 33), (9, 10), (11, 14), (11, 19), (12, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 208 rows, 528 columns and 20079 nonzeros Presolve time: 0.01s Presolved: 208 rows, 528 columns, 20079 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 43 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.79585 0 48 1070.00000 1062.79585 0.67% - 0s 0 0 1062.79585 0 48 1070.00000 1062.79585 0.67% - 0s 0 2 1062.80153 0 47 1070.00000 1062.80153 0.67% - 0s * 72 26 16 1069.0000000 1065.00000 0.37% 7.2 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 125 nodes (1253 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 12), (12, 13), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 209 rows, 528 columns and 20184 nonzeros Presolve time: 0.01s Presolved: 209 rows, 528 columns, 20184 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 43 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.79585 0 47 1070.00000 1062.79585 0.67% - 0s 0 0 1062.79585 0 47 1070.00000 1062.79585 0.67% - 0s 0 2 1062.80153 0 47 1070.00000 1062.80153 0.67% - 0s * 75 25 8 1069.0000000 1065.00000 0.37% 7.1 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 128 nodes (1260 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (8, 10), (8, 12), (9, 10), (11, 33), (11, 19), (12, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 210 rows, 528 columns and 20337 nonzeros Presolve time: 0.01s Presolved: 210 rows, 528 columns, 20337 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s H 0 0 1069.0000000 1062.73323 0.59% - 0s 0 2 1062.82702 0 52 1069.00000 1062.82702 0.58% - 0s Cutting planes: Gomory: 3 Zero half: 10 Explored 131 nodes (1277 simplex iterations) in 0.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 8), (6, 13), (8, 10), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 211 rows, 528 columns and 20490 nonzeros Presolve time: 0.01s Presolved: 211 rows, 528 columns, 20490 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.82702 0 52 1070.00000 1062.82702 0.67% - 0s * 72 23 6 1069.0000000 1065.16667 0.36% 7.7 0s Cutting planes: Gomory: 4 Zero half: 9 Explored 147 nodes (1326 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(12, 33), (12, 13), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 212 rows, 528 columns and 20568 nonzeros Presolve time: 0.01s Presolved: 212 rows, 528 columns, 20568 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.82702 0 52 1070.00000 1062.82702 0.67% - 0s * 55 13 19 1069.0000000 1064.86364 0.39% 8.7 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 129 nodes (1315 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(7, 11), (7, 12), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 213 rows, 528 columns and 20659 nonzeros Presolve time: 0.01s Presolved: 213 rows, 528 columns, 20659 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.82702 0 52 1070.00000 1062.82702 0.67% - 0s * 77 14 16 1069.0000000 1065.00000 0.37% 7.7 0s Cutting planes: Gomory: 5 Zero half: 9 Explored 142 nodes (1387 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 214 rows, 528 columns and 20764 nonzeros Presolve time: 0.01s Presolved: 214 rows, 528 columns, 20764 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.79585 0 51 1070.00000 1062.79585 0.67% - 0s 0 0 1062.79585 0 51 1070.00000 1062.79585 0.67% - 0s H 0 0 1069.0000000 1062.79585 0.58% - 0s 0 2 1062.89649 0 37 1069.00000 1062.89649 0.57% - 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 87 nodes (1048 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 11), (6, 12), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 215 rows, 528 columns and 20869 nonzeros Presolve time: 0.01s Presolved: 215 rows, 528 columns, 20869 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.79585 0 51 1070.00000 1062.79585 0.67% - 0s 0 0 1062.79585 0 51 1070.00000 1062.79585 0.67% - 0s 0 2 1062.80153 0 51 1070.00000 1062.80153 0.67% - 0s * 68 20 10 1069.0000000 1065.50000 0.33% 8.0 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 137 nodes (1311 simplex iterations) in 0.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 11), (2, 14), (11, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 216 rows, 528 columns and 20960 nonzeros Presolve time: 0.01s Presolved: 216 rows, 528 columns, 20960 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1069.0000000 1061.69841 0.68% - 0s 0 0 1062.60987 0 45 1069.00000 1062.60987 0.60% - 0s 0 0 1062.60987 0 43 1069.00000 1062.60987 0.60% - 0s 0 0 1062.60987 0 45 1069.00000 1062.60987 0.60% - 0s 0 0 1062.79196 0 40 1069.00000 1062.79196 0.58% - 0s 0 0 1062.79196 0 46 1069.00000 1062.79196 0.58% - 0s 0 0 1062.80444 0 42 1069.00000 1062.80444 0.58% - 0s 0 0 1062.80444 0 43 1069.00000 1062.80444 0.58% - 0s 0 0 1062.80444 0 48 1069.00000 1062.80444 0.58% - 0s 0 0 1062.80444 0 39 1069.00000 1062.80444 0.58% - 0s 0 0 1062.80444 0 46 1069.00000 1062.80444 0.58% - 0s 0 0 1062.90640 0 41 1069.00000 1062.90640 0.57% - 0s 0 0 1062.90640 0 41 1069.00000 1062.90640 0.57% - 0s 0 2 1062.96063 0 41 1069.00000 1062.96063 0.56% - 0s Cutting planes: Gomory: 4 Zero half: 7 Explored 132 nodes (1350 simplex iterations) in 0.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 33), (12, 33), (12, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 217 rows, 528 columns and 21131 nonzeros Presolve time: 0.01s Presolved: 217 rows, 528 columns, 21131 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 135 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 49 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.82702 0 52 1070.00000 1062.82702 0.67% - 0s * 71 20 9 1069.0000000 1065.16667 0.36% 7.8 0s Cutting planes: Gomory: 4 Zero half: 8 Explored 157 nodes (1362 simplex iterations) in 0.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 8), (7, 12), (8, 10), (10, 11), (11, 19), (12, 14), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 218 rows, 528 columns and 21341 nonzeros Presolve time: 0.01s Presolved: 218 rows, 528 columns, 21341 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 135 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 49 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.79585 0 50 1070.00000 1062.79585 0.67% - 0s 0 0 1062.79585 0 50 1070.00000 1062.79585 0.67% - 0s 0 2 1062.80153 0 50 1070.00000 1062.80153 0.67% - 0s H 81 26 1069.0000000 1065.00000 0.37% 7.4 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 131 nodes (1337 simplex iterations) in 0.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 11), (7, 14), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 219 rows, 528 columns and 21461 nonzeros Presolve time: 0.01s Presolved: 219 rows, 528 columns, 21461 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 131 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.82702 0 52 1070.00000 1062.82702 0.67% - 0s * 87 19 9 1069.0000000 1065.50000 0.33% 7.8 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 144 nodes (1401 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 220 rows, 528 columns and 21552 nonzeros Presolve time: 0.01s Presolved: 220 rows, 528 columns, 21552 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 131 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.78467 0 52 1070.00000 1062.78467 0.67% - 0s * 84 16 13 1069.0000000 1065.12500 0.36% 8.1 0s Cutting planes: Gomory: 6 Zero half: 7 Explored 143 nodes (1431 simplex iterations) in 0.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 221 rows, 528 columns and 21630 nonzeros Presolve time: 0.01s Presolved: 221 rows, 528 columns, 21630 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 131 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.78467 0 52 1070.00000 1062.78467 0.67% - 0s * 106 15 9 1069.0000000 1065.75000 0.30% 8.0 0s Cutting planes: Gomory: 6 Zero half: 7 Explored 155 nodes (1505 simplex iterations) in 0.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 222 rows, 528 columns and 21708 nonzeros Presolve time: 0.01s Presolved: 222 rows, 528 columns, 21708 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 131 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.80442 0 52 1070.00000 1062.80442 0.67% - 0s * 79 23 8 1069.0000000 1065.00000 0.37% 7.3 0s Cutting planes: Gomory: 4 Zero half: 10 Explored 149 nodes (1448 simplex iterations) in 0.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 11), (2, 15), (11, 19), (15, 16), (16, 18), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 223 rows, 528 columns and 21861 nonzeros Presolve time: 0.01s Presolved: 223 rows, 528 columns, 21861 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 48 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 51 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 53 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 52 1070.00000 1062.73323 0.68% - 0s 0 2 1062.80442 0 52 1070.00000 1062.80442 0.67% - 0s * 107 23 10 1069.0000000 1066.00000 0.28% 7.5 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 157 nodes (1435 simplex iterations) in 0.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(8, 10), (8, 12), (10, 11), (11, 19), (12, 13), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 224 rows, 528 columns and 22014 nonzeros Presolve time: 0.01s Presolved: 224 rows, 528 columns, 22014 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61311 0 41 1070.00000 1062.61311 0.69% - 0s 0 0 1062.61871 0 44 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.68852 0 42 1070.00000 1062.68852 0.68% - 0s 0 0 1062.68852 0 42 1070.00000 1062.68852 0.68% - 0s 0 2 1062.68852 0 42 1070.00000 1062.68852 0.68% - 0s * 79 33 22 1069.0000000 1063.75000 0.49% 5.7 0s Cutting planes: Gomory: 6 Zero half: 10 Explored 190 nodes (1512 simplex iterations) in 0.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 11), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 225 rows, 528 columns and 22134 nonzeros Presolve time: 0.01s Presolved: 225 rows, 528 columns, 22134 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61311 0 41 1070.00000 1062.61311 0.69% - 0s 0 0 1062.61871 0 44 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.68852 0 43 1070.00000 1062.68852 0.68% - 0s 0 0 1062.68852 0 43 1070.00000 1062.68852 0.68% - 0s 0 2 1062.68852 0 43 1070.00000 1062.68852 0.68% - 0s * 28 12 26 1069.0000000 1063.44444 0.52% 6.0 0s Cutting planes: Gomory: 4 Zero half: 20 Explored 175 nodes (1434 simplex iterations) in 0.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 11), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 226 rows, 528 columns and 22270 nonzeros Presolve time: 0.01s Presolved: 226 rows, 528 columns, 22270 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61311 0 41 1070.00000 1062.61311 0.69% - 0s 0 0 1062.61871 0 44 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 2 1062.62175 0 44 1070.00000 1062.62175 0.69% - 0s * 53 25 10 1069.0000000 1064.25000 0.44% 6.0 0s Cutting planes: Gomory: 6 Zero half: 9 Explored 210 nodes (1587 simplex iterations) in 0.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(2, 9), (2, 14), (9, 10), (10, 11), (11, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 227 rows, 528 columns and 22441 nonzeros Presolve time: 0.01s Presolved: 227 rows, 528 columns, 22441 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 44 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 41 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61311 0 41 1070.00000 1062.61311 0.69% - 0s 0 0 1062.61871 0 44 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 45 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 48 1070.00000 1062.61871 0.69% - 0s 0 0 1062.68852 0 42 1070.00000 1062.68852 0.68% - 0s 0 0 1062.68852 0 42 1070.00000 1062.68852 0.68% - 0s 0 2 1062.68852 0 42 1070.00000 1062.68852 0.68% - 0s * 85 38 22 1069.0000000 1063.75000 0.49% 5.9 0s Cutting planes: Gomory: 5 Zero half: 9 Explored 224 nodes (1663 simplex iterations) in 0.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(7, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 8), (6, 12), (8, 10), (9, 33), (9, 10), (12, 13), (14, 33)] Optimize a model with 229 rows, 528 columns and 22564 nonzeros Presolve time: 0.01s Presolved: 229 rows, 528 columns, 22564 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061698e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.69841 0 43 1549.00000 1061.69841 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.69841 0.78% - 0s 0 0 1062.60987 0 44 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 43 1070.00000 1062.60987 0.69% - 0s 0 0 1062.60987 0 45 1070.00000 1062.60987 0.69% - 0s 0 0 1062.61871 0 47 1070.00000 1062.61871 0.69% - 0s 0 0 1062.61871 0 50 1070.00000 1062.61871 0.69% - 0s 0 0 1062.73323 0 43 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 47 1070.00000 1062.73323 0.68% - 0s 0 0 1062.73323 0 50 1070.00000 1062.73323 0.68% - 0s 0 0 1062.79585 0 48 1070.00000 1062.79585 0.67% - 0s 0 0 1062.79585 0 48 1070.00000 1062.79585 0.67% - 0s 0 2 1062.80153 0 48 1070.00000 1062.80153 0.67% - 0s * 145 0 2 1069.0000000 1069.00000 0.0% 7.9 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 146 nodes (1453 simplex iterations) in 0.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.069000000000e+03, best bound 1.069000000000e+03, gap 0.0% adding cut for [(6, 8), (7, 9), (7, 12), (8, 33), (9, 10), (10, 11), (11, 19), (12, 33), (16, 18), (17, 25), (17, 29), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29)] Optimize a model with 230 rows, 528 columns and 22795 nonzeros Presolve time: 0.01s Presolved: 230 rows, 528 columns, 22795 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.70701 0.78% - 0s 0 0 1062.57227 0 38 1070.00000 1062.57227 0.69% - 0s 0 0 1062.57227 0 41 1070.00000 1062.57227 0.69% - 0s 0 0 1062.57227 0 36 1070.00000 1062.57227 0.69% - 0s 0 0 1062.73769 0 30 1070.00000 1062.73769 0.68% - 0s 0 0 1062.97026 0 44 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 45 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 47 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 44 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 47 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97389 0 36 1070.00000 1062.97389 0.66% - 0s 0 2 1062.98230 0 36 1070.00000 1062.98230 0.66% - 0s Cutting planes: Gomory: 6 Zero half: 5 Explored 257 nodes (1997 simplex iterations) in 0.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 33), (12, 33), (12, 14), (15, 32)] Optimize a model with 232 rows, 528 columns and 22936 nonzeros Presolve time: 0.01s Presolved: 232 rows, 528 columns, 22936 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 103 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.70701 0.78% - 0s 0 0 1062.57227 0 38 1070.00000 1062.57227 0.69% - 0s 0 0 1062.57227 0 41 1070.00000 1062.57227 0.69% - 0s 0 0 1062.57227 0 36 1070.00000 1062.57227 0.69% - 0s 0 0 1062.73769 0 30 1070.00000 1062.73769 0.68% - 0s 0 0 1062.97026 0 44 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 43 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 47 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 46 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 49 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97676 0 50 1070.00000 1062.97676 0.66% - 0s 0 0 1063.00000 0 8 1070.00000 1063.00000 0.65% - 0s 0 0 1063.00000 0 18 1070.00000 1063.00000 0.65% - 0s 0 0 1063.00000 0 10 1070.00000 1063.00000 0.65% - 0s 0 0 1063.00000 0 14 1070.00000 1063.00000 0.65% - 0s 0 0 1063.00587 0 49 1070.00000 1063.00587 0.65% - 0s 0 0 1063.00587 0 51 1070.00000 1063.00587 0.65% - 0s 0 0 1063.02391 0 43 1070.00000 1063.02391 0.65% - 0s 0 0 1063.02850 0 55 1070.00000 1063.02850 0.65% - 0s 0 0 1063.05036 0 47 1070.00000 1063.05036 0.65% - 0s 0 0 1063.05155 0 53 1070.00000 1063.05155 0.65% - 0s 0 0 1063.06592 0 43 1070.00000 1063.06592 0.65% - 0s 0 0 1063.06592 0 45 1070.00000 1063.06592 0.65% - 0s 0 0 1063.06592 0 49 1070.00000 1063.06592 0.65% - 0s 0 0 1063.06592 0 51 1070.00000 1063.06592 0.65% - 0s 0 0 1063.12036 0 47 1070.00000 1063.12036 0.64% - 0s 0 0 1063.12036 0 46 1070.00000 1063.12036 0.64% - 0s 0 2 1063.16451 0 46 1070.00000 1063.16451 0.64% - 0s Cutting planes: Gomory: 4 Zero half: 9 Explored 184 nodes (1727 simplex iterations) in 0.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 8), (7, 9), (9, 10), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 233 rows, 528 columns and 23056 nonzeros Presolve time: 0.01s Presolved: 233 rows, 528 columns, 23056 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s H 0 0 1070.0000000 1062.97026 0.66% - 0s 0 0 1062.97026 0 47 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 47 1070.00000 1062.97026 0.66% - 0s 0 0 1062.97026 0 47 1070.00000 1062.97026 0.66% - 0s 0 2 1062.97283 0 47 1070.00000 1062.97283 0.66% - 0s Cutting planes: Gomory: 5 Zero half: 3 Explored 216 nodes (1831 simplex iterations) in 0.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 234 rows, 528 columns and 23161 nonzeros Presolve time: 0.01s Presolved: 234 rows, 528 columns, 23161 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1062.97283 0 47 1072.00000 1062.97283 0.84% - 0s * 36 17 8 1071.0000000 1063.80305 0.67% 8.6 0s * 78 26 21 1070.0000000 1063.91088 0.57% 7.5 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 255 nodes (2098 simplex iterations) in 0.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (12, 14), (12, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 235 rows, 528 columns and 23252 nonzeros Presolve time: 0.01s Presolved: 235 rows, 528 columns, 23252 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1062.97283 0 47 1072.00000 1062.97283 0.84% - 0s * 36 17 8 1071.0000000 1063.80305 0.67% 8.6 0s * 80 25 24 1070.0000000 1063.91088 0.57% 7.4 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 251 nodes (2109 simplex iterations) in 0.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(8, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 236 rows, 528 columns and 23318 nonzeros Presolve time: 0.01s Presolved: 236 rows, 528 columns, 23318 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.70701 1.05% - 0s 0 0 1062.57227 0 38 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 41 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 36 1073.00000 1062.57227 0.97% - 0s 0 0 1062.71946 0 30 1073.00000 1062.71946 0.96% - 0s 0 0 1062.97012 0 45 1073.00000 1062.97012 0.93% - 0s 0 0 1062.97026 0 44 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 48 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 46 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 49 1073.00000 1062.97026 0.93% - 0s 0 0 1062.98302 0 40 1073.00000 1062.98302 0.93% - 0s 0 0 1062.99217 0 48 1073.00000 1062.99217 0.93% - 0s 0 0 1063.00000 0 10 1073.00000 1063.00000 0.93% - 0s 0 0 1063.02266 0 54 1073.00000 1063.02266 0.93% - 0s 0 0 1063.05753 0 50 1073.00000 1063.05753 0.93% - 0s 0 0 1063.06077 0 47 1073.00000 1063.06077 0.93% - 0s 0 0 1063.06077 0 47 1073.00000 1063.06077 0.93% - 0s H 0 0 1072.0000000 1063.06077 0.83% - 0s 0 2 1063.08835 0 47 1072.00000 1063.08835 0.83% - 0s * 111 60 14 1071.0000000 1063.97259 0.66% 5.9 0s * 147 52 10 1070.0000000 1065.50000 0.42% 6.2 0s Cutting planes: Gomory: 5 Zero half: 15 Explored 319 nodes (2286 simplex iterations) in 0.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (12, 33), (12, 13), (13, 14), (14, 20), (15, 16), (16, 18), (18, 26), (19, 20), (19, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 237 rows, 528 columns and 23528 nonzeros Presolve time: 0.01s Presolved: 237 rows, 528 columns, 23528 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.70701 1.05% - 0s 0 0 1062.57227 0 38 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 41 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 36 1073.00000 1062.57227 0.97% - 0s 0 0 1062.71946 0 30 1073.00000 1062.71946 0.96% - 0s 0 0 1062.97012 0 45 1073.00000 1062.97012 0.93% - 0s 0 0 1062.97026 0 44 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 48 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 50 1073.00000 1062.97026 0.93% - 0s 0 0 1063.00056 0 42 1073.00000 1063.00056 0.93% - 0s H 0 0 1070.0000000 1063.00056 0.65% - 0s 0 0 1063.02588 0 40 1070.00000 1063.02588 0.65% - 0s 0 1 1063.02800 0 40 1070.00000 1063.02800 0.65% - 0s Cutting planes: Gomory: 9 MIR: 1 Zero half: 3 Mod-K: 1 Explored 186 nodes (1864 simplex iterations) in 0.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(8, 33), (8, 12), (12, 13), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 238 rows, 528 columns and 23633 nonzeros Presolve time: 0.01s Presolved: 238 rows, 528 columns, 23633 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.70701 1.05% - 0s 0 0 1062.57227 0 38 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 41 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 36 1073.00000 1062.57227 0.97% - 0s 0 0 1062.71946 0 30 1073.00000 1062.71946 0.96% - 0s 0 0 1062.97012 0 45 1073.00000 1062.97012 0.93% - 0s 0 0 1062.97026 0 44 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 48 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 49 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97893 0 51 1073.00000 1062.97893 0.93% - 0s 0 0 1063.00000 0 10 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 20 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00162 0 50 1073.00000 1063.00162 0.93% - 0s 0 0 1063.01935 0 49 1073.00000 1063.01935 0.93% - 0s H 0 0 1070.0000000 1063.01935 0.65% - 0s 0 0 1063.02528 0 51 1070.00000 1063.02528 0.65% - 0s 0 1 1063.03519 0 51 1070.00000 1063.03519 0.65% - 0s Cutting planes: Gomory: 11 Zero half: 11 Explored 223 nodes (2064 simplex iterations) in 0.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(8, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 239 rows, 528 columns and 23711 nonzeros Presolve time: 0.01s Presolved: 239 rows, 528 columns, 23711 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.70701 1.05% - 0s 0 0 1062.57227 0 38 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 41 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 36 1073.00000 1062.57227 0.97% - 0s 0 0 1062.71946 0 30 1073.00000 1062.71946 0.96% - 0s 0 0 1062.97012 0 45 1073.00000 1062.97012 0.93% - 0s 0 0 1062.97026 0 44 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 48 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 50 1073.00000 1062.97026 0.93% - 0s 0 0 1063.00056 0 42 1073.00000 1063.00056 0.93% - 0s 0 0 1063.02588 0 40 1073.00000 1063.02588 0.93% - 0s 0 0 1063.02588 0 43 1073.00000 1063.02588 0.93% - 0s 0 0 1063.02588 0 46 1073.00000 1063.02588 0.93% - 0s H 0 0 1072.0000000 1063.02588 0.84% - 0s 0 0 1063.02649 0 39 1072.00000 1063.02649 0.84% - 0s 0 0 1063.02649 0 42 1072.00000 1063.02649 0.84% - 0s 0 0 1063.02649 0 42 1072.00000 1063.02649 0.84% - 0s 0 2 1063.03046 0 42 1072.00000 1063.03046 0.84% - 0s * 28 19 22 1070.0000000 1063.88022 0.57% 11.6 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 194 nodes (1800 simplex iterations) in 0.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 11), (6, 12), (11, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(9, 10), (9, 33), (10, 33)] Optimize a model with 241 rows, 528 columns and 23850 nonzeros Presolve time: 0.01s Presolved: 241 rows, 528 columns, 23850 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 43 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.71946 0 30 1071.00000 1062.71946 0.77% - 0s 0 0 1062.97012 0 47 1071.00000 1062.97012 0.75% - 0s 0 0 1062.97026 0 46 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 49 1071.00000 1062.97026 0.75% - 0s 0 0 1063.00064 0 44 1071.00000 1063.00064 0.75% - 0s 0 0 1063.02588 0 43 1071.00000 1063.02588 0.74% - 0s 0 0 1063.02588 0 43 1071.00000 1063.02588 0.74% - 0s 0 0 1063.02588 0 46 1071.00000 1063.02588 0.74% - 0s 0 0 1063.02588 0 40 1071.00000 1063.02588 0.74% - 0s 0 0 1063.02657 0 50 1071.00000 1063.02657 0.74% - 0s 0 0 1063.02800 0 37 1071.00000 1063.02800 0.74% - 0s 0 0 1063.02800 0 36 1071.00000 1063.02800 0.74% - 0s H 0 0 1070.0000000 1063.02800 0.65% - 0s 0 2 1063.05319 0 36 1070.00000 1063.05319 0.65% - 0s Cutting planes: Gomory: 3 Zero half: 18 Explored 138 nodes (1275 simplex iterations) in 0.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 12), (11, 12), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 242 rows, 528 columns and 23986 nonzeros Presolve time: 0.01s Presolved: 242 rows, 528 columns, 23986 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 43 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.71946 0 30 1071.00000 1062.71946 0.77% - 0s 0 0 1062.97012 0 47 1071.00000 1062.97012 0.75% - 0s 0 0 1062.97026 0 46 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 49 1071.00000 1062.97026 0.75% - 0s 0 0 1063.00064 0 44 1071.00000 1063.00064 0.75% - 0s 0 0 1063.02588 0 43 1071.00000 1063.02588 0.74% - 0s 0 0 1063.02588 0 43 1071.00000 1063.02588 0.74% - 0s 0 0 1063.02588 0 46 1071.00000 1063.02588 0.74% - 0s 0 0 1063.02588 0 40 1071.00000 1063.02588 0.74% - 0s 0 0 1063.02657 0 50 1071.00000 1063.02657 0.74% - 0s 0 0 1063.02800 0 37 1071.00000 1063.02800 0.74% - 0s 0 0 1063.02800 0 36 1071.00000 1063.02800 0.74% - 0s 0 2 1063.05319 0 36 1071.00000 1063.05319 0.74% - 0s * 20 14 17 1070.0000000 1063.88022 0.57% 9.8 0s Cutting planes: Gomory: 3 Zero half: 18 Explored 169 nodes (1446 simplex iterations) in 0.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 11), (7, 8), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 243 rows, 528 columns and 24091 nonzeros Presolve time: 0.01s Presolved: 243 rows, 528 columns, 24091 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.70701 1.05% - 0s 0 0 1062.57227 0 38 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 41 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 36 1073.00000 1062.57227 0.97% - 0s 0 0 1062.71946 0 29 1073.00000 1062.71946 0.96% - 0s 0 0 1062.97012 0 44 1073.00000 1062.97012 0.93% - 0s 0 0 1062.97026 0 45 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 44 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s H 0 0 1072.0000000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1063.00000 0 47 1072.00000 1063.00000 0.84% - 0s * 30 16 29 1070.0000000 1063.52710 0.60% 4.9 0s Cutting planes: Gomory: 6 Zero half: 2 Explored 322 nodes (2305 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 8), (6, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 244 rows, 528 columns and 24182 nonzeros Presolve time: 0.01s Presolved: 244 rows, 528 columns, 24182 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1063.00000 0 47 1072.00000 1063.00000 0.84% - 0s * 31 19 30 1070.0000000 1063.48430 0.61% 4.6 0s Cutting planes: Gomory: 6 Zero half: 3 Explored 207 nodes (1776 simplex iterations) in 0.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 10), (6, 11), (9, 33), (9, 10), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 245 rows, 528 columns and 24372 nonzeros Presolve time: 0.01s Presolved: 245 rows, 528 columns, 24372 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 100 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.70701 1.05% - 0s 0 0 1062.57227 0 38 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 41 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 36 1073.00000 1062.57227 0.97% - 0s 0 0 1062.71946 0 29 1073.00000 1062.71946 0.96% - 0s 0 0 1062.97012 0 44 1073.00000 1062.97012 0.93% - 0s 0 0 1062.97026 0 45 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 45 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 48 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 48 1073.00000 1062.97026 0.93% - 0s H 0 0 1072.0000000 1062.97026 0.84% - 0s 0 2 1063.00000 0 47 1072.00000 1063.00000 0.84% - 0s * 47 15 7 1070.0000000 1063.81731 0.58% 6.2 0s Cutting planes: Gomory: 6 Zero half: 3 Explored 275 nodes (2079 simplex iterations) in 0.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 246 rows, 528 columns and 24450 nonzeros Presolve time: 0.01s Presolved: 246 rows, 528 columns, 24450 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 43 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 42 1071.00000 1062.57227 0.79% - 0s 0 0 1062.71875 0 33 1071.00000 1062.71875 0.77% - 0s 0 0 1062.73074 0 45 1071.00000 1062.73074 0.77% - 0s 0 0 1062.73074 0 48 1071.00000 1062.73074 0.77% - 0s 0 0 1062.75344 0 34 1071.00000 1062.75344 0.77% - 0s 0 0 1062.75344 0 34 1071.00000 1062.75344 0.77% - 0s 0 0 1062.75344 0 38 1071.00000 1062.75344 0.77% - 0s 0 0 1062.75344 0 34 1071.00000 1062.75344 0.77% - 0s 0 0 1062.75344 0 36 1071.00000 1062.75344 0.77% - 0s 0 0 1062.75344 0 36 1071.00000 1062.75344 0.77% - 0s 0 2 1062.76548 0 36 1071.00000 1062.76548 0.77% - 0s H 27 10 1070.0000000 1064.00000 0.56% 8.8 0s Cutting planes: Gomory: 3 Zero half: 3 Explored 130 nodes (1238 simplex iterations) in 0.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 12), (11, 19), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 247 rows, 528 columns and 24555 nonzeros Presolve time: 0.01s Presolved: 247 rows, 528 columns, 24555 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 102 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1063.00000 0 47 1072.00000 1063.00000 0.84% - 0s * 32 18 32 1071.0000000 1063.48525 0.70% 4.3 0s * 98 46 24 1070.0000000 1064.40000 0.52% 5.8 0s Cutting planes: Gomory: 5 Zero half: 3 Explored 263 nodes (2098 simplex iterations) in 0.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 13), (6, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (7, 9), (9, 10), (10, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 249 rows, 528 columns and 24678 nonzeros Presolve time: 0.01s Presolved: 249 rows, 528 columns, 24678 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 99 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.70701 1.05% - 0s 0 0 1062.57227 0 38 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 41 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 36 1073.00000 1062.57227 0.97% - 0s 0 0 1062.71946 0 29 1073.00000 1062.71946 0.96% - 0s 0 0 1062.97012 0 44 1073.00000 1062.97012 0.93% - 0s 0 0 1062.97026 0 45 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 44 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s H 0 0 1072.0000000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1063.00000 0 47 1072.00000 1063.00000 0.84% - 0s * 32 19 31 1071.0000000 1063.52710 0.70% 5.0 0s * 101 46 19 1070.0000000 1064.20000 0.54% 5.7 0s Cutting planes: Gomory: 6 Zero half: 2 Explored 277 nodes (2298 simplex iterations) in 0.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 14), (9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 250 rows, 528 columns and 24783 nonzeros Presolve time: 0.01s Presolved: 250 rows, 528 columns, 24783 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 99 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 43 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 42 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 33 1072.00000 1062.73769 0.86% - 0s 0 0 1062.96523 0 45 1072.00000 1062.96523 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s * 24 14 22 1071.0000000 1063.43246 0.71% 7.0 0s * 71 33 17 1070.0000000 1063.63891 0.59% 7.0 0s Cutting planes: Gomory: 7 Zero half: 3 Explored 274 nodes (2249 simplex iterations) in 0.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 13), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 251 rows, 528 columns and 24903 nonzeros Presolve time: 0.01s Presolved: 251 rows, 528 columns, 24903 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.55704 0 42 1072.00000 1062.55704 0.88% - 0s 0 0 1062.55704 0 41 1072.00000 1062.55704 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 45 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 48 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 50 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97881 0 49 1072.00000 1062.97881 0.84% - 0s 0 0 1062.97894 0 50 1072.00000 1062.97894 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00168 0 14 1072.00000 1063.00168 0.84% - 0s * 27 20 24 1071.0000000 1063.33101 0.72% 8.6 0s * 44 24 16 1070.0000000 1063.44292 0.61% 7.8 0s Cutting planes: Gomory: 5 Zero half: 9 Explored 224 nodes (2050 simplex iterations) in 0.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 252 rows, 528 columns and 25056 nonzeros Presolve time: 0.01s Presolved: 252 rows, 528 columns, 25056 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 44 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 29 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 46 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 49 1072.00000 1062.97026 0.84% - 0s 0 0 1062.98302 0 40 1072.00000 1062.98302 0.84% - 0s 0 0 1062.99217 0 48 1072.00000 1062.99217 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.02266 0 52 1072.00000 1063.02266 0.84% - 0s 0 0 1063.03503 0 50 1072.00000 1063.03503 0.84% - 0s 0 0 1063.03534 0 56 1072.00000 1063.03534 0.84% - 0s 0 0 1063.06005 0 47 1072.00000 1063.06005 0.83% - 0s 0 0 1063.06005 0 53 1072.00000 1063.06005 0.83% - 0s 0 0 1063.06270 0 46 1072.00000 1063.06270 0.83% - 0s 0 0 1063.06304 0 52 1072.00000 1063.06304 0.83% - 0s 0 0 1063.06318 0 54 1072.00000 1063.06318 0.83% - 0s 0 0 1063.06318 0 54 1072.00000 1063.06318 0.83% - 0s H 0 0 1071.0000000 1063.06318 0.74% - 0s 0 2 1063.06730 0 54 1071.00000 1063.06730 0.74% - 0s * 60 23 11 1070.0000000 1064.35892 0.53% 7.8 0s Cutting planes: Gomory: 4 Zero half: 9 Explored 209 nodes (1882 simplex iterations) in 0.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(13, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] adding cut for [(2, 32), (2, 14), (9, 33), (9, 10), (10, 11), (11, 16), (12, 33), (12, 14), (15, 16)] Optimize a model with 254 rows, 528 columns and 25206 nonzeros Presolve time: 0.01s Presolved: 254 rows, 528 columns, 25206 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.55704 0 42 1072.00000 1062.55704 0.88% - 0s 0 0 1062.55704 0 41 1072.00000 1062.55704 0.88% - 0s 0 0 1062.57227 0 40 1072.00000 1062.57227 0.88% - 0s 0 0 1062.71875 0 34 1072.00000 1062.71875 0.87% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 43 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 49 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 49 1072.00000 1062.73074 0.86% - 0s 0 2 1062.85595 0 49 1072.00000 1062.85595 0.85% - 0s * 24 17 19 1071.0000000 1063.50000 0.70% 10.9 0s * 29 15 6 1070.0000000 1063.58879 0.60% 10.8 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 253 nodes (2356 simplex iterations) in 0.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 33), (9, 33), (9, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 255 rows, 528 columns and 25359 nonzeros Presolve time: 0.01s Presolved: 255 rows, 528 columns, 25359 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.55704 0 42 1071.00000 1062.55704 0.79% - 0s 0 0 1062.55704 0 41 1071.00000 1062.55704 0.79% - 0s 0 0 1062.57227 0 36 1071.00000 1062.57227 0.79% - 0s 0 0 1062.71946 0 30 1071.00000 1062.71946 0.77% - 0s 0 0 1062.97012 0 44 1071.00000 1062.97012 0.75% - 0s 0 0 1062.97026 0 46 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 46 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 49 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 49 1071.00000 1062.97026 0.75% - 0s 0 2 1063.00000 0 49 1071.00000 1063.00000 0.75% - 0s * 26 14 23 1070.0000000 1063.52710 0.60% 5.3 0s Cutting planes: Gomory: 6 Zero half: 3 Explored 225 nodes (1920 simplex iterations) in 0.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 256 rows, 528 columns and 25479 nonzeros Presolve time: 0.01s Presolved: 256 rows, 528 columns, 25479 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.55704 0 42 1072.00000 1062.55704 0.88% - 0s 0 0 1062.55704 0 41 1072.00000 1062.55704 0.88% - 0s 0 0 1062.57227 0 40 1072.00000 1062.57227 0.88% - 0s 0 0 1062.71875 0 34 1072.00000 1062.71875 0.87% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 43 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 49 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 49 1072.00000 1062.73074 0.86% - 0s H 0 0 1071.0000000 1062.73074 0.77% - 0s 0 2 1062.76918 0 31 1071.00000 1062.76918 0.77% - 0s H 96 29 1070.0000000 1063.99755 0.56% 7.2 0s Cutting planes: Gomory: 5 Zero half: 19 Explored 265 nodes (2257 simplex iterations) in 0.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (8, 10), (9, 10), (9, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 258 rows, 528 columns and 25606 nonzeros Presolve time: 0.01s Presolved: 258 rows, 528 columns, 25606 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1073.0000000 1061.70701 1.05% - 0s 0 0 1062.57227 0 38 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 41 1073.00000 1062.57227 0.97% - 0s 0 0 1062.57227 0 36 1073.00000 1062.57227 0.97% - 0s 0 0 1062.71946 0 30 1073.00000 1062.71946 0.96% - 0s 0 0 1062.97012 0 45 1073.00000 1062.97012 0.93% - 0s 0 0 1062.97026 0 43 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 44 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s 0 0 1062.97026 0 47 1073.00000 1062.97026 0.93% - 0s H 0 0 1072.0000000 1062.97026 0.84% - 0s 0 2 1063.00000 0 47 1072.00000 1063.00000 0.84% - 0s * 32 18 32 1071.0000000 1063.52710 0.70% 4.9 0s * 109 35 10 1070.0000000 1064.29323 0.53% 6.1 0s Cutting planes: Gomory: 6 Zero half: 4 Explored 289 nodes (2301 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (13, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 259 rows, 528 columns and 25684 nonzeros Presolve time: 0.01s Presolved: 259 rows, 528 columns, 25684 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 124 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 41 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 36 1071.00000 1062.57227 0.79% - 0s 0 0 1062.73769 0 30 1071.00000 1062.73769 0.77% - 0s 0 0 1062.97026 0 44 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 43 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 47 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 46 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 49 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97893 0 51 1071.00000 1062.97893 0.75% - 0s 0 0 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 12 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 12 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s 0 2 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s * 86 36 14 1070.0000000 1063.91304 0.57% 5.7 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 212 nodes (1718 simplex iterations) in 0.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 13), (9, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 260 rows, 528 columns and 25820 nonzeros Presolve time: 0.01s Presolved: 260 rows, 528 columns, 25820 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 124 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 41 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 36 1071.00000 1062.57227 0.79% - 0s 0 0 1062.73769 0 30 1071.00000 1062.73769 0.77% - 0s 0 0 1062.97026 0 44 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 43 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 47 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 46 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 49 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97893 0 51 1071.00000 1062.97893 0.75% - 0s 0 0 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 12 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 12 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s 0 2 1063.00373 0 15 1071.00000 1063.00373 0.75% - 0s * 51 24 18 1070.0000000 1063.58283 0.60% 6.1 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 248 nodes (1932 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(7, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 8), (6, 13), (8, 10), (9, 10), (9, 11), (11, 12), (12, 14)] Optimize a model with 262 rows, 528 columns and 25943 nonzeros Presolve time: 0.01s Presolved: 262 rows, 528 columns, 25943 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 46 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 49 1072.00000 1062.97026 0.84% - 0s 0 0 1063.00064 0 42 1072.00000 1063.00064 0.84% - 0s 0 0 1063.02588 0 43 1072.00000 1063.02588 0.84% - 0s 0 0 1063.02588 0 40 1072.00000 1063.02588 0.84% - 0s 0 0 1063.02588 0 46 1072.00000 1063.02588 0.84% - 0s 0 0 1063.02631 0 51 1072.00000 1063.02631 0.84% - 0s 0 0 1063.04429 0 42 1072.00000 1063.04429 0.84% - 0s 0 0 1063.04429 0 46 1072.00000 1063.04429 0.84% - 0s 0 0 1063.04429 0 42 1072.00000 1063.04429 0.84% - 0s 0 0 1063.04429 0 45 1072.00000 1063.04429 0.84% - 0s 0 0 1063.04429 0 48 1072.00000 1063.04429 0.84% - 0s 0 0 1063.04852 0 43 1072.00000 1063.04852 0.84% - 0s 0 0 1063.04852 0 43 1072.00000 1063.04852 0.84% - 0s H 0 0 1071.0000000 1063.04852 0.74% - 0s 0 2 1063.06044 0 43 1071.00000 1063.06044 0.74% - 0s * 88 40 15 1070.0000000 1065.44444 0.43% 7.9 0s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 1 Explored 246 nodes (2058 simplex iterations) in 0.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 10), (10, 11), (11, 19), (12, 33), (12, 14), (17, 28), (17, 29), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 263 rows, 528 columns and 26153 nonzeros Presolve time: 0.01s Presolved: 263 rows, 528 columns, 26153 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 41 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 36 1071.00000 1062.57227 0.79% - 0s 0 0 1062.73769 0 30 1071.00000 1062.73769 0.77% - 0s 0 0 1062.97026 0 44 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 43 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 47 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 46 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 49 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97893 0 42 1071.00000 1062.97893 0.75% - 0s 0 0 1062.98029 0 43 1071.00000 1062.98029 0.75% - 0s 0 0 1062.98029 0 46 1071.00000 1062.98029 0.75% - 0s 0 0 1062.98029 0 49 1071.00000 1062.98029 0.75% - 0s 0 0 1062.99515 0 40 1071.00000 1062.99515 0.75% - 0s 0 2 1063.00000 0 40 1071.00000 1063.00000 0.75% - 0s * 93 53 10 1070.0000000 1064.87718 0.48% 6.3 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 262 nodes (2022 simplex iterations) in 0.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (12, 14), (12, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 264 rows, 528 columns and 26306 nonzeros Presolve time: 0.01s Presolved: 264 rows, 528 columns, 26306 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 39 1072.00000 1062.57227 0.88% - 0s 0 0 1062.71875 0 33 1072.00000 1062.71875 0.87% - 0s 0 0 1062.73074 0 42 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 43 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 2 1062.85595 0 46 1072.00000 1062.85595 0.85% - 0s * 31 20 28 1071.0000000 1063.50000 0.70% 6.2 0s * 110 47 21 1070.0000000 1064.47619 0.52% 6.6 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 302 nodes (2511 simplex iterations) in 0.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(8, 9), (9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 265 rows, 528 columns and 26384 nonzeros Presolve time: 0.01s Presolved: 265 rows, 528 columns, 26384 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 39 1072.00000 1062.57227 0.88% - 0s 0 0 1062.71875 0 33 1072.00000 1062.71875 0.87% - 0s 0 0 1062.73074 0 42 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 43 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 2 1062.85595 0 46 1072.00000 1062.85595 0.85% - 0s * 31 20 28 1071.0000000 1063.50000 0.70% 6.2 0s * 112 46 24 1070.0000000 1064.47619 0.52% 6.5 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 303 nodes (2506 simplex iterations) in 0.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 10), (9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 266 rows, 528 columns and 26475 nonzeros Presolve time: 0.01s Presolved: 266 rows, 528 columns, 26475 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 29 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 2 1063.00000 0 44 1072.00000 1063.00000 0.84% - 0s * 33 18 31 1071.0000000 1063.52710 0.70% 4.6 0s * 126 51 21 1070.0000000 1064.76758 0.49% 5.6 0s Cutting planes: Gomory: 6 Zero half: 10 Explored 275 nodes (2157 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 11), (11, 19), (12, 33), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 267 rows, 528 columns and 26611 nonzeros Presolve time: 0.01s Presolved: 267 rows, 528 columns, 26611 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1070.0000000 1061.70701 0.78% - 0s 0 0 1062.57227 0 38 1070.00000 1062.57227 0.69% - 0s 0 0 1062.57227 0 41 1070.00000 1062.57227 0.69% - 0s 0 0 1062.57227 0 36 1070.00000 1062.57227 0.69% - 0s 0 0 1062.71946 0 34 1070.00000 1062.71946 0.68% - 0s 0 0 1062.97054 0 43 1070.00000 1062.97054 0.66% - 0s 0 0 1062.97263 0 46 1070.00000 1062.97263 0.66% - 0s 0 0 1062.97263 0 49 1070.00000 1062.97263 0.66% - 0s 0 0 1062.97263 0 48 1070.00000 1062.97263 0.66% - 0s 0 0 1062.97263 0 51 1070.00000 1062.97263 0.66% - 0s 0 0 1063.00000 0 8 1070.00000 1063.00000 0.65% - 0s 0 0 1063.00000 0 8 1070.00000 1063.00000 0.65% - 0s 0 2 1063.00310 0 8 1070.00000 1063.00310 0.65% - 0s Cutting planes: Gomory: 6 MIR: 1 Zero half: 6 Explored 191 nodes (1840 simplex iterations) in 0.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 33), (9, 10), (11, 33), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 268 rows, 528 columns and 26716 nonzeros Presolve time: 0.01s Presolved: 268 rows, 528 columns, 26716 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 39 1072.00000 1062.57227 0.88% - 0s 0 0 1062.71875 0 34 1072.00000 1062.71875 0.87% - 0s 0 0 1062.73074 0 42 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 43 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73479 0 31 1072.00000 1062.73479 0.86% - 0s H 0 0 1071.0000000 1062.73479 0.77% - 0s 0 2 1062.76918 0 31 1071.00000 1062.76918 0.77% - 0s * 114 40 14 1070.0000000 1064.87500 0.48% 7.2 0s Cutting planes: Gomory: 4 Zero half: 10 Explored 228 nodes (2067 simplex iterations) in 0.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 269 rows, 528 columns and 26794 nonzeros Presolve time: 0.01s Presolved: 269 rows, 528 columns, 26794 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 39 1072.00000 1062.57227 0.88% - 0s 0 0 1062.71875 0 34 1072.00000 1062.71875 0.87% - 0s 0 0 1062.73074 0 43 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 43 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73074 0 46 1072.00000 1062.73074 0.86% - 0s 0 0 1062.73479 0 30 1072.00000 1062.73479 0.86% - 0s 0 0 1062.73479 0 30 1072.00000 1062.73479 0.86% - 0s H 0 0 1071.0000000 1062.73479 0.77% - 0s 0 2 1062.76918 0 30 1071.00000 1062.76918 0.77% - 0s * 235 66 14 1070.0000000 1066.00000 0.37% 6.1 0s Cutting planes: Gomory: 5 Zero half: 20 Explored 386 nodes (2805 simplex iterations) in 0.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(15, 32), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 12), (2, 14), (6, 7), (7, 8), (8, 10), (9, 10), (9, 11), (11, 33), (12, 33), (13, 14)] Optimize a model with 271 rows, 528 columns and 26915 nonzeros Presolve time: 0.01s Presolved: 271 rows, 528 columns, 26915 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 121 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1063.00000 0 43 1072.00000 1063.00000 0.84% - 0s * 166 92 32 1071.0000000 1064.20000 0.63% 5.6 0s * 309 71 22 1070.0000000 1065.92857 0.38% 6.3 0s Cutting planes: Gomory: 6 Zero half: 6 Explored 441 nodes (3015 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (9, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 272 rows, 528 columns and 27051 nonzeros Presolve time: 0.01s Presolved: 272 rows, 528 columns, 27051 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.71946 0 30 1072.00000 1062.71946 0.87% - 0s 0 0 1062.97012 0 44 1072.00000 1062.97012 0.84% - 0s 0 0 1062.97026 0 46 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 45 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 50 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97893 0 46 1072.00000 1062.97893 0.84% - 0s 0 0 1062.98029 0 49 1072.00000 1062.98029 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 21 12 17 1071.0000000 1063.36189 0.71% 6.8 0s * 114 28 14 1070.0000000 1066.00000 0.37% 6.2 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 189 nodes (1646 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(9, 12), (9, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 273 rows, 528 columns and 27142 nonzeros Presolve time: 0.01s Presolved: 273 rows, 528 columns, 27142 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 41 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 36 1071.00000 1062.57227 0.79% - 0s 0 0 1062.73769 0 29 1071.00000 1062.73769 0.77% - 0s 0 0 1062.97026 0 44 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 43 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 47 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 46 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 49 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97893 0 46 1071.00000 1062.97893 0.75% - 0s 0 0 1062.98029 0 48 1071.00000 1062.98029 0.75% - 0s 0 0 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 10 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 16 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 16 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s 0 2 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s * 101 30 13 1070.0000000 1064.06714 0.55% 6.8 0s Cutting planes: Gomory: 5 Zero half: 4 Explored 231 nodes (1996 simplex iterations) in 0.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 11), (11, 19), (12, 33), (12, 14), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 274 rows, 528 columns and 27278 nonzeros Presolve time: 0.01s Presolved: 274 rows, 528 columns, 27278 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 45 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1063.00000 0 47 1072.00000 1063.00000 0.84% - 0s * 35 16 32 1071.0000000 1063.52710 0.70% 4.4 0s * 237 53 24 1070.0000000 1066.00000 0.37% 6.2 0s Cutting planes: Gomory: 6 Zero half: 4 Explored 341 nodes (2502 simplex iterations) in 0.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 8), (7, 12), (8, 9), (9, 11), (11, 19), (12, 14), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 275 rows, 528 columns and 27488 nonzeros Presolve time: 0.01s Presolved: 275 rows, 528 columns, 27488 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1071.0000000 1061.70701 0.87% - 0s 0 0 1062.57227 0 38 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 41 1071.00000 1062.57227 0.79% - 0s 0 0 1062.57227 0 36 1071.00000 1062.57227 0.79% - 0s 0 0 1062.73769 0 29 1071.00000 1062.73769 0.77% - 0s 0 0 1062.97026 0 44 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 43 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 47 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 45 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97026 0 48 1071.00000 1062.97026 0.75% - 0s 0 0 1062.97893 0 42 1071.00000 1062.97893 0.75% - 0s 0 0 1062.98029 0 51 1071.00000 1062.98029 0.75% - 0s 0 0 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 12 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 2 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s * 112 29 12 1070.0000000 1066.00000 0.37% 5.8 0s Cutting planes: Gomory: 3 Zero half: 3 Explored 203 nodes (1614 simplex iterations) in 0.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+03, best bound 1.070000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 276 rows, 528 columns and 27593 nonzeros Presolve time: 0.01s Presolved: 276 rows, 528 columns, 27593 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061707e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70701 0 43 1549.00000 1061.70701 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70701 0.96% - 0s 0 0 1062.57227 0 38 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 41 1072.00000 1062.57227 0.88% - 0s 0 0 1062.57227 0 36 1072.00000 1062.57227 0.88% - 0s 0 0 1062.73769 0 30 1072.00000 1062.73769 0.86% - 0s 0 0 1062.97026 0 43 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 44 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 0 1062.97026 0 47 1072.00000 1062.97026 0.84% - 0s 0 2 1063.00000 0 47 1072.00000 1063.00000 0.84% - 0s * 163 90 34 1071.0000000 1064.20000 0.63% 5.5 0s Cutting planes: Gomory: 6 Zero half: 3 Explored 541 nodes (3891 simplex iterations) in 0.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 12), (6, 13), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (8, 10), (9, 10), (9, 11), (11, 33), (14, 33)] Optimize a model with 278 rows, 528 columns and 27720 nonzeros Presolve time: 0.01s Presolved: 278 rows, 528 columns, 27720 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061710e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70968 0 43 1549.00000 1061.70968 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70968 0.96% - 0s 0 0 1062.11215 0 45 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 41 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 44 1072.00000 1062.11215 0.92% - 0s 0 0 1062.75653 0 38 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 42 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 38 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 41 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 42 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 45 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 45 1072.00000 1062.75653 0.86% - 0s H 0 0 1071.0000000 1062.75653 0.77% - 0s 0 2 1062.79539 0 45 1071.00000 1062.79539 0.77% - 0s Cutting planes: Gomory: 5 Zero half: 15 Explored 337 nodes (2753 simplex iterations) in 0.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 9), (9, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 279 rows, 528 columns and 27840 nonzeros Presolve time: 0.01s Presolved: 279 rows, 528 columns, 27840 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061710e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70968 0 43 1549.00000 1061.70968 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70968 0.96% - 0s 0 0 1062.11215 0 45 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 41 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 46 1072.00000 1062.11215 0.92% - 0s 0 0 1062.75653 0 38 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 41 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 42 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 45 1072.00000 1062.75653 0.86% - 0s 0 0 1062.84841 0 36 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 39 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 38 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 33 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 37 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 36 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 40 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 38 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 42 1072.00000 1062.84841 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s H 0 0 1071.0000000 1063.00000 0.75% - 0s 0 2 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 285 nodes (2791 simplex iterations) in 0.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (10, 11), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 280 rows, 528 columns and 27945 nonzeros Presolve time: 0.01s Presolved: 280 rows, 528 columns, 27945 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061710e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70968 0 43 1549.00000 1061.70968 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70968 0.96% - 0s 0 0 1062.11215 0 45 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 41 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 46 1072.00000 1062.11215 0.92% - 0s 0 0 1062.75653 0 37 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 40 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 41 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 44 1072.00000 1062.75653 0.86% - 0s 0 0 1062.84841 0 33 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 36 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 37 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 40 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 37 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 40 1072.00000 1062.84841 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s * 31 15 29 1071.0000000 1063.59840 0.69% 6.9 0s Cutting planes: Gomory: 2 Zero half: 15 Explored 253 nodes (2266 simplex iterations) in 0.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 11), (6, 12), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 281 rows, 528 columns and 28036 nonzeros Presolve time: 0.01s Presolved: 281 rows, 528 columns, 28036 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061710e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70968 0 43 1549.00000 1061.70968 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70968 0.96% - 0s 0 0 1062.11215 0 45 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 41 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 44 1072.00000 1062.11215 0.92% - 0s 0 0 1062.75653 0 38 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 42 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 40 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 44 1072.00000 1062.75653 0.86% - 0s 0 0 1062.84841 0 33 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 39 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 36 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 42 1072.00000 1062.84841 0.85% - 0s 0 0 1062.88858 0 43 1072.00000 1062.88858 0.85% - 0s 0 0 1062.89458 0 49 1072.00000 1062.89458 0.85% - 0s 0 0 1062.89458 0 52 1072.00000 1062.89458 0.85% - 0s 0 0 1062.91313 0 48 1072.00000 1062.91313 0.85% - 0s 0 0 1062.91359 0 45 1072.00000 1062.91359 0.85% - 0s 0 0 1062.91359 0 51 1072.00000 1062.91359 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00354 0 52 1072.00000 1063.00354 0.84% - 0s 0 0 1063.04058 0 45 1072.00000 1063.04058 0.84% - 0s 0 0 1063.04058 0 47 1072.00000 1063.04058 0.84% - 0s 0 0 1063.04058 0 51 1072.00000 1063.04058 0.84% - 0s 0 0 1063.04058 0 53 1072.00000 1063.04058 0.84% - 0s 0 2 1063.04288 0 53 1072.00000 1063.04288 0.84% - 0s * 32 17 31 1071.0000000 1063.78206 0.67% 7.7 0s Cutting planes: Gomory: 6 Zero half: 20 Explored 297 nodes (2605 simplex iterations) in 0.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 11), (6, 14), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 282 rows, 528 columns and 28156 nonzeros Presolve time: 0.01s Presolved: 282 rows, 528 columns, 28156 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061710e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.70968 0 43 1549.00000 1061.70968 31.5% - 0s Another try with MIP start H 0 0 1072.0000000 1061.70968 0.96% - 0s 0 0 1062.11215 0 45 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 41 1072.00000 1062.11215 0.92% - 0s 0 0 1062.11215 0 44 1072.00000 1062.11215 0.92% - 0s 0 0 1062.75653 0 38 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 42 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 40 1072.00000 1062.75653 0.86% - 0s 0 0 1062.75653 0 44 1072.00000 1062.75653 0.86% - 0s 0 0 1062.84841 0 33 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 39 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 36 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 40 1072.00000 1062.84841 0.85% - 0s 0 0 1062.84841 0 45 1072.00000 1062.84841 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s H 0 0 1071.0000000 1063.00000 0.75% - 0s 0 2 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s Cutting planes: Gomory: 4 Zero half: 10 Explored 355 nodes (2920 simplex iterations) in 0.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 8), (6, 13), (7, 33), (7, 8), (12, 33), (12, 14), (15, 32)] Optimize a model with 284 rows, 528 columns and 28279 nonzeros Presolve time: 0.01s Presolved: 284 rows, 528 columns, 28279 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061846e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.84615 0 29 1549.00000 1061.84615 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.84615 0.95% - 0s 0 0 1062.30882 0 40 1072.00000 1062.30882 0.90% - 0s 0 0 1062.30882 0 29 1072.00000 1062.30882 0.90% - 0s 0 0 1062.34091 0 46 1072.00000 1062.34091 0.90% - 0s 0 0 1062.34091 0 45 1072.00000 1062.34091 0.90% - 0s 0 0 1062.34091 0 49 1072.00000 1062.34091 0.90% - 0s 0 0 1062.34091 0 48 1072.00000 1062.34091 0.90% - 0s 0 0 1062.34091 0 51 1072.00000 1062.34091 0.90% - 0s 0 0 1062.39153 0 47 1072.00000 1062.39153 0.90% - 0s 0 0 1062.41084 0 51 1072.00000 1062.41084 0.89% - 0s 0 0 1062.45283 0 53 1072.00000 1062.45283 0.89% - 0s 0 0 1062.50167 0 42 1072.00000 1062.50167 0.89% - 0s 0 0 1062.51790 0 53 1072.00000 1062.51790 0.88% - 0s 0 0 1062.59023 0 52 1072.00000 1062.59023 0.88% - 0s 0 0 1062.59712 0 55 1072.00000 1062.59712 0.88% - 0s 0 0 1062.59722 0 55 1072.00000 1062.59722 0.88% - 0s 0 0 1062.59722 0 56 1072.00000 1062.59722 0.88% - 0s 0 0 1062.61929 0 56 1072.00000 1062.61929 0.88% - 0s 0 0 1062.62252 0 59 1072.00000 1062.62252 0.87% - 0s 0 0 1062.63163 0 53 1072.00000 1062.63163 0.87% - 0s 0 2 1062.63457 0 53 1072.00000 1062.63457 0.87% - 0s * 75 36 37 1071.0000000 1065.36667 0.53% 6.9 0s Cutting planes: Gomory: 2 Zero half: 13 Mod-K: 2 Explored 263 nodes (2369 simplex iterations) in 0.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 14), (14, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 285 rows, 528 columns and 28370 nonzeros Presolve time: 0.01s Presolved: 285 rows, 528 columns, 28370 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061846e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.84615 0 29 1549.00000 1061.84615 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.84615 0.95% - 0s 0 0 1062.30882 0 40 1072.00000 1062.30882 0.90% - 0s 0 0 1062.30882 0 29 1072.00000 1062.30882 0.90% - 0s 0 0 1062.30882 0 40 1072.00000 1062.30882 0.90% - 0s 0 0 1062.35747 0 41 1072.00000 1062.35747 0.90% - 0s 0 0 1062.35747 0 44 1072.00000 1062.35747 0.90% - 0s 0 0 1062.35747 0 43 1072.00000 1062.35747 0.90% - 0s 0 0 1062.35747 0 46 1072.00000 1062.35747 0.90% - 0s 0 0 1062.44420 0 38 1072.00000 1062.44420 0.89% - 0s 0 0 1062.44647 0 44 1072.00000 1062.44647 0.89% - 0s 0 0 1062.44647 0 42 1072.00000 1062.44647 0.89% - 0s 0 0 1062.44647 0 48 1072.00000 1062.44647 0.89% - 0s 0 0 1062.56395 0 41 1072.00000 1062.56395 0.88% - 0s 0 0 1062.57930 0 49 1072.00000 1062.57930 0.88% - 0s 0 0 1062.57935 0 49 1072.00000 1062.57935 0.88% - 0s 0 0 1062.57935 0 51 1072.00000 1062.57935 0.88% - 0s 0 2 1062.58075 0 51 1072.00000 1062.58075 0.88% - 0s * 56 21 11 1071.0000000 1063.85714 0.67% 6.7 0s Cutting planes: Gomory: 2 Zero half: 15 Explored 261 nodes (2300 simplex iterations) in 0.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(15, 16), (16, 18), (17, 29), (17, 30), (18, 27), (27, 28), (28, 29)] Optimize a model with 287 rows, 528 columns and 28464 nonzeros Presolve time: 0.01s Presolved: 287 rows, 528 columns, 28464 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061888e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.88776 0 43 1549.00000 1061.88776 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.88776 0.94% - 0s 0 0 1062.26923 0 38 1072.00000 1062.26923 0.91% - 0s 0 0 1062.26923 0 43 1072.00000 1062.26923 0.91% - 0s 0 0 1062.28402 0 39 1072.00000 1062.28402 0.91% - 0s 0 0 1062.58333 0 39 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 43 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 39 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 42 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 43 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 46 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 46 1072.00000 1062.58333 0.88% - 0s 0 2 1063.00000 0 46 1072.00000 1063.00000 0.84% - 0s H 81 36 1071.0000000 1064.13333 0.64% 8.1 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 342 nodes (2852 simplex iterations) in 0.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 10), (7, 8), (8, 9), (10, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 288 rows, 528 columns and 28635 nonzeros Presolve time: 0.01s Presolved: 288 rows, 528 columns, 28635 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061888e+03, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.88776 0 41 1549.00000 1061.88776 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.88776 0.94% - 0s 0 0 1062.20815 0 39 1072.00000 1062.20815 0.91% - 0s 0 0 1062.20815 0 41 1072.00000 1062.20815 0.91% - 0s 0 0 1062.27769 0 38 1072.00000 1062.27769 0.91% - 0s 0 0 1062.58333 0 41 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 39 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 42 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 42 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 2 1063.00000 0 45 1072.00000 1063.00000 0.84% - 0s * 81 34 10 1071.0000000 1064.13043 0.64% 7.6 0s Cutting planes: Gomory: 2 Zero half: 10 Explored 274 nodes (2478 simplex iterations) in 0.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 33), (2, 15), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 289 rows, 528 columns and 28713 nonzeros Presolve time: 0.01s Presolved: 289 rows, 528 columns, 28713 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061888e+03, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.88776 0 41 1549.00000 1061.88776 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.88776 0.94% - 0s 0 0 1062.20815 0 39 1072.00000 1062.20815 0.91% - 0s 0 0 1062.20815 0 41 1072.00000 1062.20815 0.91% - 0s 0 0 1062.27769 0 38 1072.00000 1062.27769 0.91% - 0s 0 0 1062.58333 0 41 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 39 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 42 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 42 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 2 1063.00000 0 45 1072.00000 1063.00000 0.84% - 0s * 70 31 33 1071.0000000 1063.58333 0.69% 7.9 0s Cutting planes: Gomory: 2 Zero half: 10 Explored 259 nodes (2483 simplex iterations) in 0.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 19), (12, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 290 rows, 528 columns and 28804 nonzeros Presolve time: 0.01s Presolved: 290 rows, 528 columns, 28804 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061888e+03, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.88776 0 41 1549.00000 1061.88776 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.88776 0.94% - 0s 0 0 1062.20815 0 39 1072.00000 1062.20815 0.91% - 0s 0 0 1062.20815 0 41 1072.00000 1062.20815 0.91% - 0s 0 0 1062.27769 0 38 1072.00000 1062.27769 0.91% - 0s 0 0 1062.58333 0 41 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 39 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 42 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 43 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 46 1072.00000 1062.58333 0.88% - 0s 0 2 1063.00000 0 46 1072.00000 1063.00000 0.84% - 0s * 101 47 13 1071.0000000 1064.06818 0.65% 6.1 0s Cutting planes: Gomory: 2 Zero half: 7 Explored 375 nodes (2942 simplex iterations) in 0.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 12), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 291 rows, 528 columns and 28895 nonzeros Presolve time: 0.01s Presolved: 291 rows, 528 columns, 28895 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061888e+03, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.88776 0 41 1549.00000 1061.88776 31.4% - 0s Another try with MIP start H 0 0 1071.0000000 1061.88776 0.85% - 0s 0 0 1062.20815 0 39 1071.00000 1062.20815 0.82% - 0s 0 0 1062.20815 0 41 1071.00000 1062.20815 0.82% - 0s 0 0 1062.58333 0 38 1071.00000 1062.58333 0.79% - 0s 0 0 1062.58333 0 38 1071.00000 1062.58333 0.79% - 0s 0 0 1062.58333 0 41 1071.00000 1062.58333 0.79% - 0s 0 0 1062.58333 0 45 1071.00000 1062.58333 0.79% - 0s 0 0 1062.70461 0 41 1071.00000 1062.70461 0.77% - 0s 0 0 1062.70461 0 47 1071.00000 1062.70461 0.77% - 0s 0 0 1062.70461 0 44 1071.00000 1062.70461 0.77% - 0s 0 0 1062.70461 0 48 1071.00000 1062.70461 0.77% - 0s 0 0 1062.70461 0 50 1071.00000 1062.70461 0.77% - 0s 0 0 1062.70930 0 45 1071.00000 1062.70930 0.77% - 0s 0 0 1062.71355 0 50 1071.00000 1062.71355 0.77% - 0s 0 0 1062.71355 0 47 1071.00000 1062.71355 0.77% - 0s 0 0 1062.71355 0 51 1071.00000 1062.71355 0.77% - 0s 0 0 1062.71355 0 51 1071.00000 1062.71355 0.77% - 0s 0 0 1062.71355 0 53 1071.00000 1062.71355 0.77% - 0s 0 0 1062.77500 0 49 1071.00000 1062.77500 0.77% - 0s 0 2 1062.78075 0 49 1071.00000 1062.78075 0.77% - 0s Cutting planes: Gomory: 3 Zero half: 18 Explored 250 nodes (2204 simplex iterations) in 0.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 11), (11, 19), (14, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 292 rows, 528 columns and 29015 nonzeros Presolve time: 0.01s Presolved: 292 rows, 528 columns, 29015 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061888e+03, 124 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.88776 0 41 1549.00000 1061.88776 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.88776 0.94% - 0s 0 0 1062.20815 0 39 1072.00000 1062.20815 0.91% - 0s 0 0 1062.20815 0 41 1072.00000 1062.20815 0.91% - 0s 0 0 1062.27769 0 38 1072.00000 1062.27769 0.91% - 0s 0 0 1062.58333 0 41 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 39 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 42 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 46 1072.00000 1062.58333 0.88% - 0s 0 0 1062.64389 0 47 1072.00000 1062.64389 0.87% - 0s 0 0 1062.65066 0 47 1072.00000 1062.65066 0.87% - 0s 0 0 1062.65066 0 50 1072.00000 1062.65066 0.87% - 0s 0 0 1062.66667 0 48 1072.00000 1062.66667 0.87% - 0s 0 0 1062.66667 0 52 1072.00000 1062.66667 0.87% - 0s 0 0 1062.66667 0 52 1072.00000 1062.66667 0.87% - 0s 0 0 1062.66667 0 55 1072.00000 1062.66667 0.87% - 0s 0 0 1062.66667 0 55 1072.00000 1062.66667 0.87% - 0s 0 2 1062.68182 0 55 1072.00000 1062.68182 0.87% - 0s * 52 24 7 1071.0000000 1064.39276 0.62% 9.9 0s Cutting planes: Gomory: 2 Zero half: 10 Explored 226 nodes (2171 simplex iterations) in 0.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 293 rows, 528 columns and 29135 nonzeros Presolve time: 0.01s Presolved: 293 rows, 528 columns, 29135 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061888e+03, 118 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.88776 0 41 1549.00000 1061.88776 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.88776 0.94% - 0s 0 0 1062.26923 0 39 1072.00000 1062.26923 0.91% - 0s 0 0 1062.26923 0 41 1072.00000 1062.26923 0.91% - 0s 0 0 1062.28402 0 39 1072.00000 1062.28402 0.91% - 0s 0 0 1062.58333 0 39 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 45 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 39 1072.00000 1062.58333 0.88% - 0s 0 0 1062.58333 0 42 1072.00000 1062.58333 0.88% - 0s 0 0 1062.77564 0 44 1072.00000 1062.77564 0.86% - 0s 0 0 1062.77564 0 48 1072.00000 1062.77564 0.86% - 0s 0 0 1062.77564 0 48 1072.00000 1062.77564 0.86% - 0s 0 0 1062.77564 0 51 1072.00000 1062.77564 0.86% - 0s 0 0 1062.77564 0 47 1072.00000 1062.77564 0.86% - 0s 0 0 1062.77564 0 51 1072.00000 1062.77564 0.86% - 0s 0 0 1062.77914 0 50 1072.00000 1062.77914 0.86% - 0s 0 2 1062.88576 0 50 1072.00000 1062.88576 0.85% - 0s * 99 34 7 1071.0000000 1064.00000 0.65% 7.6 0s Cutting planes: Gomory: 2 Zero half: 4 Explored 330 nodes (2697 simplex iterations) in 0.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 11), (2, 14), (11, 33), (12, 33), (12, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] adding cut for [(8, 9), (8, 10), (9, 10)] Optimize a model with 295 rows, 528 columns and 29309 nonzeros Presolve time: 0.02s Presolved: 295 rows, 528 columns, 29309 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s * 35 17 8 1071.0000000 1063.44543 0.71% 12.3 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 289 nodes (2686 simplex iterations) in 0.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 13), (11, 33), (11, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 296 rows, 528 columns and 29445 nonzeros Presolve time: 0.02s Presolved: 296 rows, 528 columns, 29445 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.03704 0 12 1072.00000 1063.03704 0.84% - 0s * 35 14 8 1071.0000000 1063.61702 0.69% 11.2 0s Cutting planes: Gomory: 5 Zero half: 6 Explored 288 nodes (2409 simplex iterations) in 0.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 297 rows, 528 columns and 29550 nonzeros Presolve time: 0.02s Presolved: 297 rows, 528 columns, 29550 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 43 21 7 1071.0000000 1063.42857 0.71% 9.3 0s Cutting planes: Gomory: 5 Zero half: 4 Explored 284 nodes (2585 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (12, 14), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 298 rows, 528 columns and 29703 nonzeros Presolve time: 0.02s Presolved: 298 rows, 528 columns, 29703 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s * 42 17 7 1071.0000000 1063.45879 0.70% 9.4 0s Cutting planes: Gomory: 6 Zero half: 22 Explored 277 nodes (2491 simplex iterations) in 0.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 299 rows, 528 columns and 29794 nonzeros Presolve time: 0.02s Presolved: 299 rows, 528 columns, 29794 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 96 31 21 1071.0000000 1063.65056 0.69% 8.1 0s Cutting planes: Gomory: 5 Zero half: 9 Explored 303 nodes (2574 simplex iterations) in 0.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (8, 9), (9, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 301 rows, 528 columns and 29927 nonzeros Presolve time: 0.02s Presolved: 301 rows, 528 columns, 29927 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00238 0 14 1072.00000 1063.00238 0.84% - 0s * 89 28 15 1071.0000000 1065.83333 0.48% 10.7 0s Cutting planes: Gomory: 4 Zero half: 7 Explored 211 nodes (2478 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 302 rows, 528 columns and 30047 nonzeros Presolve time: 0.02s Presolved: 302 rows, 528 columns, 30047 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 149 37 17 1071.0000000 1065.00000 0.56% 8.9 0s Cutting planes: Gomory: 6 Zero half: 7 Explored 359 nodes (3034 simplex iterations) in 0.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 13), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 303 rows, 528 columns and 30125 nonzeros Presolve time: 0.02s Presolved: 303 rows, 528 columns, 30125 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 96 26 21 1071.0000000 1064.66667 0.59% 9.1 0s Cutting planes: Gomory: 6 Zero half: 8 Explored 268 nodes (2493 simplex iterations) in 0.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 19), (12, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 304 rows, 528 columns and 30230 nonzeros Presolve time: 0.02s Presolved: 304 rows, 528 columns, 30230 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 106 30 20 1071.0000000 1064.71429 0.59% 8.9 0s Cutting planes: Gomory: 6 Zero half: 8 Explored 264 nodes (2542 simplex iterations) in 0.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(8, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 305 rows, 528 columns and 30296 nonzeros Presolve time: 0.02s Presolved: 305 rows, 528 columns, 30296 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s H 82 26 1071.0000000 1064.66667 0.59% 9.1 0s Cutting planes: Gomory: 6 Zero half: 8 Explored 263 nodes (2478 simplex iterations) in 0.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(8, 9), (9, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 306 rows, 528 columns and 30374 nonzeros Presolve time: 0.02s Presolved: 306 rows, 528 columns, 30374 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 46 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 101 35 12 1071.0000000 1064.71429 0.59% 9.9 0s Cutting planes: Gomory: 6 Zero half: 6 Explored 298 nodes (2744 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 12), (11, 33), (11, 19), (12, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 307 rows, 528 columns and 30479 nonzeros Presolve time: 0.02s Presolved: 307 rows, 528 columns, 30479 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 110 27 17 1071.0000000 1064.71429 0.59% 8.7 0s Cutting planes: Gomory: 6 Zero half: 8 Explored 261 nodes (2497 simplex iterations) in 0.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (9, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 308 rows, 528 columns and 30570 nonzeros Presolve time: 0.02s Presolved: 308 rows, 528 columns, 30570 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 110 27 17 1071.0000000 1064.71429 0.59% 8.8 0s Cutting planes: Gomory: 6 Zero half: 8 Explored 261 nodes (2496 simplex iterations) in 0.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 13), (9, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 309 rows, 528 columns and 30661 nonzeros Presolve time: 0.02s Presolved: 309 rows, 528 columns, 30661 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 148 36 9 1071.0000000 1065.14286 0.55% 8.5 0s Cutting planes: Gomory: 6 Zero half: 6 Explored 277 nodes (2625 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(12, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 310 rows, 528 columns and 30727 nonzeros Presolve time: 0.02s Presolved: 310 rows, 528 columns, 30727 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 187 41 15 1071.0000000 1065.50000 0.51% 8.2 0s Cutting planes: Gomory: 6 Zero half: 9 Explored 300 nodes (2742 simplex iterations) in 0.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 311 rows, 528 columns and 30793 nonzeros Presolve time: 0.02s Presolved: 311 rows, 528 columns, 30793 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 107 37 16 1071.0000000 1064.71429 0.59% 9.4 0s Cutting planes: Gomory: 6 Zero half: 6 Explored 291 nodes (2741 simplex iterations) in 0.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 312 rows, 528 columns and 30871 nonzeros Presolve time: 0.02s Presolved: 312 rows, 528 columns, 30871 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 2 1063.02817 0 15 1072.00000 1063.02817 0.84% - 0s * 195 57 17 1071.0000000 1065.28571 0.53% 7.8 0s Cutting planes: Gomory: 5 Zero half: 5 Explored 360 nodes (2884 simplex iterations) in 0.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 11), (10, 14), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 313 rows, 528 columns and 30976 nonzeros Presolve time: 0.02s Presolved: 313 rows, 528 columns, 30976 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1071.0000000 1061.93000 0.85% - 0s 0 0 1062.25000 0 18 1071.00000 1062.25000 0.82% - 0s 0 0 1062.25000 0 44 1071.00000 1062.25000 0.82% - 0s 0 0 1062.40000 0 30 1071.00000 1062.40000 0.80% - 0s 0 0 1062.87500 0 32 1071.00000 1062.87500 0.76% - 0s 0 0 1062.98117 0 49 1071.00000 1062.98117 0.75% - 0s 0 0 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 16 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 12 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 15 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 17 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 17 1071.00000 1063.00000 0.75% - 0s 0 2 1063.01100 0 17 1071.00000 1063.01100 0.75% - 0s Cutting planes: Gomory: 7 Zero half: 2 Explored 278 nodes (2589 simplex iterations) in 0.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (12, 33), (12, 13), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 314 rows, 528 columns and 31081 nonzeros Presolve time: 0.02s Presolved: 314 rows, 528 columns, 31081 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 128 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 228 45 17 1071.0000000 1066.21429 0.45% 8.3 0s Cutting planes: Gomory: 7 Zero half: 7 Explored 315 nodes (2879 simplex iterations) in 0.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 9), (9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 315 rows, 528 columns and 31172 nonzeros Presolve time: 0.02s Presolved: 315 rows, 528 columns, 31172 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s H 152 31 1071.0000000 1064.66667 0.59% 8.7 0s Cutting planes: Gomory: 6 Zero half: 6 Explored 295 nodes (2763 simplex iterations) in 0.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (12, 33), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 316 rows, 528 columns and 31277 nonzeros Presolve time: 0.02s Presolved: 316 rows, 528 columns, 31277 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1071.0000000 1061.93000 0.85% - 0s 0 0 1062.25000 0 18 1071.00000 1062.25000 0.82% - 0s 0 0 1062.25000 0 44 1071.00000 1062.25000 0.82% - 0s 0 0 1062.40000 0 30 1071.00000 1062.40000 0.80% - 0s 0 0 1062.73333 0 37 1071.00000 1062.73333 0.77% - 0s 0 0 1062.78947 0 43 1071.00000 1062.78947 0.77% - 0s 0 0 1062.92641 0 50 1071.00000 1062.92641 0.75% - 0s 0 0 1062.94667 0 50 1071.00000 1062.94667 0.75% - 0s 0 0 1062.94667 0 53 1071.00000 1062.94667 0.75% - 0s 0 0 1062.98841 0 44 1071.00000 1062.98841 0.75% - 0s 0 0 1062.98841 0 50 1071.00000 1062.98841 0.75% - 0s 0 0 1062.98841 0 47 1071.00000 1062.98841 0.75% - 0s 0 0 1062.98841 0 48 1071.00000 1062.98841 0.75% - 0s 0 0 1062.98841 0 52 1071.00000 1062.98841 0.75% - 0s 0 0 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s 0 2 1063.02463 0 8 1071.00000 1063.02463 0.74% - 0s Cutting planes: Gomory: 4 Zero half: 8 Explored 356 nodes (2655 simplex iterations) in 0.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 11), (9, 14), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 317 rows, 528 columns and 31382 nonzeros Presolve time: 0.02s Presolved: 317 rows, 528 columns, 31382 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 46 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 34 1072.00000 1062.87500 0.85% - 0s 0 0 1062.97297 0 48 1072.00000 1062.97297 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 233 38 16 1071.0000000 1066.21429 0.45% 8.8 0s Cutting planes: Gomory: 6 Zero half: 7 Explored 309 nodes (2966 simplex iterations) in 0.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 12), (9, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 318 rows, 528 columns and 31502 nonzeros Presolve time: 0.02s Presolved: 318 rows, 528 columns, 31502 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 118 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s * 229 63 15 1071.0000000 1065.00000 0.56% 6.9 0s Cutting planes: Gomory: 5 Zero half: 6 Explored 410 nodes (3164 simplex iterations) in 0.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(10, 11), (10, 12), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 319 rows, 528 columns and 31593 nonzeros Presolve time: 0.02s Presolved: 319 rows, 528 columns, 31593 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1071.0000000 1061.93000 0.85% - 0s 0 0 1062.25000 0 18 1071.00000 1062.25000 0.82% - 0s 0 0 1062.25000 0 44 1071.00000 1062.25000 0.82% - 0s 0 0 1062.40000 0 30 1071.00000 1062.40000 0.80% - 0s 0 0 1062.73333 0 37 1071.00000 1062.73333 0.77% - 0s 0 0 1062.78947 0 44 1071.00000 1062.78947 0.77% - 0s 0 0 1062.92641 0 46 1071.00000 1062.92641 0.75% - 0s 0 0 1062.94667 0 51 1071.00000 1062.94667 0.75% - 0s 0 0 1062.94667 0 50 1071.00000 1062.94667 0.75% - 0s 0 0 1062.94667 0 53 1071.00000 1062.94667 0.75% - 0s 0 0 1062.98841 0 44 1071.00000 1062.98841 0.75% - 0s 0 0 1062.98841 0 50 1071.00000 1062.98841 0.75% - 0s 0 0 1062.98841 0 47 1071.00000 1062.98841 0.75% - 0s 0 0 1062.98841 0 53 1071.00000 1062.98841 0.75% - 0s 0 0 1063.00000 0 8 1071.00000 1063.00000 0.75% - 0s 0 0 1063.00000 0 14 1071.00000 1063.00000 0.75% - 0s 0 0 1063.01078 0 49 1071.00000 1063.01078 0.75% - 0s 0 0 1063.01078 0 57 1071.00000 1063.01078 0.75% - 0s 0 0 1063.03634 0 48 1071.00000 1063.03634 0.74% - 0s 0 0 1063.05787 0 58 1071.00000 1063.05787 0.74% - 0s 0 0 1063.06029 0 56 1071.00000 1063.06029 0.74% - 0s 0 0 1063.06162 0 55 1071.00000 1063.06162 0.74% - 0s 0 0 1063.06542 0 57 1071.00000 1063.06542 0.74% - 0s 0 0 1063.06542 0 53 1071.00000 1063.06542 0.74% - 0s 0 0 1063.06542 0 59 1071.00000 1063.06542 0.74% - 0s 0 0 1063.06542 0 55 1071.00000 1063.06542 0.74% - 0s 0 0 1063.09031 0 38 1071.00000 1063.09031 0.74% - 0s 0 0 1063.09031 0 36 1071.00000 1063.09031 0.74% - 0s 0 2 1063.09922 0 36 1071.00000 1063.09922 0.74% - 0s Cutting planes: Gomory: 3 Zero half: 31 Explored 302 nodes (2441 simplex iterations) in 0.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 11), (11, 19), (14, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 320 rows, 528 columns and 31713 nonzeros Presolve time: 0.02s Presolved: 320 rows, 528 columns, 31713 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 18 1072.00000 1063.00000 0.84% - 0s * 273 72 16 1071.0000000 1066.33333 0.44% 7.2 0s Cutting planes: Gomory: 5 Zero half: 4 Explored 387 nodes (3297 simplex iterations) in 0.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 19), (13, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 321 rows, 528 columns and 31804 nonzeros Presolve time: 0.02s Presolved: 321 rows, 528 columns, 31804 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.74689 0 40 1072.00000 1062.74689 0.86% - 0s 0 0 1062.85904 0 43 1072.00000 1062.85904 0.85% - 0s 0 0 1062.85904 0 46 1072.00000 1062.85904 0.85% - 0s 0 0 1062.97217 0 46 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97217 0 49 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97217 0 46 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97217 0 49 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97217 0 49 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97821 0 47 1072.00000 1062.97821 0.84% - 0s 0 0 1062.97821 0 47 1072.00000 1062.97821 0.84% - 0s 0 2 1062.98416 0 47 1072.00000 1062.98416 0.84% - 0s * 203 28 11 1071.0000000 1066.28571 0.44% 7.1 0s Cutting planes: Gomory: 7 Zero half: 4 Explored 254 nodes (2343 simplex iterations) in 0.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.071000000000e+03, best bound 1.071000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 9), (9, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 322 rows, 528 columns and 31924 nonzeros Presolve time: 0.02s Presolved: 322 rows, 528 columns, 31924 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 123 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.74689 0 40 1072.00000 1062.74689 0.86% - 0s 0 0 1062.85904 0 43 1072.00000 1062.85904 0.85% - 0s 0 0 1062.85904 0 46 1072.00000 1062.85904 0.85% - 0s 0 0 1062.97217 0 46 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97217 0 49 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97217 0 46 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97217 0 49 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97217 0 49 1072.00000 1062.97217 0.84% - 0s 0 0 1062.97821 0 47 1072.00000 1062.97821 0.84% - 0s 0 0 1062.97821 0 47 1072.00000 1062.97821 0.84% - 0s 0 2 1062.98416 0 47 1072.00000 1062.98416 0.84% - 0s Cutting planes: Gomory: 7 Zero half: 4 Explored 335 nodes (2728 simplex iterations) in 0.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 12), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 323 rows, 528 columns and 32029 nonzeros Presolve time: 0.02s Presolved: 323 rows, 528 columns, 32029 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 135 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.25000 0 18 1072.00000 1062.25000 0.91% - 0s 0 0 1062.25000 0 44 1072.00000 1062.25000 0.91% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s Cutting planes: Gomory: 5 Zero half: 2 Explored 391 nodes (3378 simplex iterations) in 0.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 12), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 324 rows, 528 columns and 32134 nonzeros Presolve time: 0.02s Presolved: 324 rows, 528 columns, 32134 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 135 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.52571 0 32 1073.00000 1062.52571 0.98% - 0s 0 0 1062.78758 0 42 1073.00000 1062.78758 0.95% - 0s 0 0 1062.84661 0 48 1073.00000 1062.84661 0.95% - 0s 0 0 1062.91801 0 47 1073.00000 1062.91801 0.94% - 0s 0 0 1062.91801 0 44 1073.00000 1062.91801 0.94% - 0s 0 0 1062.91801 0 50 1073.00000 1062.91801 0.94% - 0s 0 0 1062.91801 0 45 1073.00000 1062.91801 0.94% - 0s 0 0 1062.91801 0 48 1073.00000 1062.91801 0.94% - 0s 0 0 1062.91801 0 46 1073.00000 1062.91801 0.94% - 0s 0 0 1062.91801 0 48 1073.00000 1062.91801 0.94% - 0s 0 0 1062.91801 0 48 1073.00000 1062.91801 0.94% - 0s H 0 0 1072.0000000 1062.91801 0.85% - 0s 0 2 1062.97093 0 51 1072.00000 1062.97093 0.84% - 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 335 nodes (2953 simplex iterations) in 0.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 11), (7, 14), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 325 rows, 528 columns and 32270 nonzeros Presolve time: 0.02s Presolved: 325 rows, 528 columns, 32270 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 135 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.50898 0 34 1073.00000 1062.50898 0.98% - 0s 0 0 1062.63508 0 44 1073.00000 1062.63508 0.97% - 0s 0 0 1062.75573 0 36 1073.00000 1062.75573 0.95% - 0s 0 0 1062.78034 0 42 1073.00000 1062.78034 0.95% - 0s 0 0 1062.78971 0 46 1073.00000 1062.78971 0.95% - 0s 0 0 1062.88608 0 48 1073.00000 1062.88608 0.94% - 0s 0 0 1062.89500 0 50 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 53 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 49 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 52 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 51 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 54 1073.00000 1062.89500 0.94% - 0s 0 2 1062.90912 0 54 1073.00000 1062.90912 0.94% - 0s * 52 26 20 1072.0000000 1063.58333 0.79% 8.5 0s Cutting planes: Gomory: 5 Zero half: 18 Explored 424 nodes (3957 simplex iterations) in 0.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 10), (6, 11), (9, 33), (9, 10), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 326 rows, 528 columns and 32441 nonzeros Presolve time: 0.02s Presolved: 326 rows, 528 columns, 32441 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 138 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.50898 0 34 1073.00000 1062.50898 0.98% - 0s 0 0 1062.63508 0 44 1073.00000 1062.63508 0.97% - 0s 0 0 1062.75573 0 36 1073.00000 1062.75573 0.95% - 0s 0 0 1062.78034 0 42 1073.00000 1062.78034 0.95% - 0s 0 0 1062.78971 0 46 1073.00000 1062.78971 0.95% - 0s 0 0 1062.88608 0 48 1073.00000 1062.88608 0.94% - 0s 0 0 1062.89500 0 50 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 53 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 49 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 52 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 51 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 54 1073.00000 1062.89500 0.94% - 0s 0 2 1062.90912 0 54 1073.00000 1062.90912 0.94% - 0s * 51 25 19 1072.0000000 1063.58333 0.79% 8.7 0s Cutting planes: Gomory: 5 Zero half: 18 Explored 423 nodes (3921 simplex iterations) in 0.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 11), (7, 33), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 327 rows, 528 columns and 32594 nonzeros Presolve time: 0.02s Presolved: 327 rows, 528 columns, 32594 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 138 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.50898 0 34 1073.00000 1062.50898 0.98% - 0s 0 0 1062.72995 0 44 1073.00000 1062.72995 0.96% - 0s 0 0 1062.74556 0 48 1073.00000 1062.74556 0.96% - 0s 0 0 1062.88608 0 47 1073.00000 1062.88608 0.94% - 0s 0 0 1062.89500 0 47 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 53 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 48 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 51 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 49 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 49 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 48 1073.00000 1062.89500 0.94% - 0s H 0 0 1072.0000000 1062.89500 0.85% - 0s 0 2 1062.89699 0 40 1072.00000 1062.89699 0.85% - 0s Cutting planes: Gomory: 6 Zero half: 27 Explored 389 nodes (3168 simplex iterations) in 0.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 11), (7, 33), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 328 rows, 528 columns and 32765 nonzeros Presolve time: 0.02s Presolved: 328 rows, 528 columns, 32765 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 138 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.50898 0 34 1073.00000 1062.50898 0.98% - 0s 0 0 1062.72995 0 44 1073.00000 1062.72995 0.96% - 0s 0 0 1062.74556 0 48 1073.00000 1062.74556 0.96% - 0s 0 0 1062.88608 0 47 1073.00000 1062.88608 0.94% - 0s 0 0 1062.89500 0 47 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 53 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 48 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 51 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 49 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 52 1073.00000 1062.89500 0.94% - 0s 0 0 1062.89500 0 51 1073.00000 1062.89500 0.94% - 0s 0 2 1062.89500 0 51 1073.00000 1062.89500 0.94% - 0s H 27 14 1072.0000000 1063.58333 0.79% 8.9 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 427 nodes (3556 simplex iterations) in 0.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 11), (7, 10), (9, 33), (9, 10), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 329 rows, 528 columns and 32955 nonzeros Presolve time: 0.02s Presolved: 329 rows, 528 columns, 32955 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 138 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.40000 0 30 1073.00000 1062.40000 0.99% - 0s 0 0 1062.87500 0 32 1073.00000 1062.87500 0.94% - 0s 0 0 1062.97297 0 46 1073.00000 1062.97297 0.93% - 0s 0 0 1063.00000 0 8 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s H 0 0 1072.0000000 1063.00000 0.84% - 0s 0 2 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s Cutting planes: Gomory: 5 Zero half: 6 Explored 402 nodes (3209 simplex iterations) in 0.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (9, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 330 rows, 528 columns and 33060 nonzeros Presolve time: 0.02s Presolved: 330 rows, 528 columns, 33060 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 136 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.40000 0 30 1073.00000 1062.40000 0.99% - 0s 0 0 1062.87500 0 32 1073.00000 1062.87500 0.94% - 0s 0 0 1062.97297 0 46 1073.00000 1062.97297 0.93% - 0s 0 0 1063.00000 0 8 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s * 61 24 11 1072.0000000 1063.42857 0.80% 8.1 0s Cutting planes: Gomory: 5 Zero half: 7 Explored 418 nodes (3399 simplex iterations) in 0.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(8, 33), (8, 10), (9, 10), (9, 13), (11, 33), (11, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 331 rows, 528 columns and 33231 nonzeros Presolve time: 0.02s Presolved: 331 rows, 528 columns, 33231 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 138 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.40000 0 30 1073.00000 1062.40000 0.99% - 0s 0 0 1062.87500 0 32 1073.00000 1062.87500 0.94% - 0s 0 0 1062.97297 0 46 1073.00000 1062.97297 0.93% - 0s 0 0 1063.00000 0 8 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s H 54 22 1072.0000000 1063.42857 0.80% 7.9 0s Cutting planes: Gomory: 5 Zero half: 7 Explored 449 nodes (3738 simplex iterations) in 0.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 332 rows, 528 columns and 33336 nonzeros Presolve time: 0.02s Presolved: 332 rows, 528 columns, 33336 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 138 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.40000 0 30 1073.00000 1062.40000 0.99% - 0s 0 0 1062.87500 0 32 1073.00000 1062.87500 0.94% - 0s 0 0 1062.97297 0 46 1073.00000 1062.97297 0.93% - 0s 0 0 1063.00000 0 8 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s H 32 14 1072.0000000 1063.34426 0.81% 6.9 0s Cutting planes: Gomory: 5 Zero half: 8 Explored 480 nodes (3782 simplex iterations) in 0.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 33), (6, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 333 rows, 528 columns and 33489 nonzeros Presolve time: 0.02s Presolved: 333 rows, 528 columns, 33489 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 138 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93000 1.03% - 0s 0 0 1062.25000 0 18 1073.00000 1062.25000 1.00% - 0s 0 0 1062.25000 0 44 1073.00000 1062.25000 1.00% - 0s 0 0 1062.40000 0 30 1073.00000 1062.40000 0.99% - 0s 0 0 1062.87500 0 32 1073.00000 1062.87500 0.94% - 0s 0 0 1062.97297 0 46 1073.00000 1062.97297 0.93% - 0s 0 0 1063.00000 0 8 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s * 59 21 13 1072.0000000 1063.42857 0.80% 7.2 0s Cutting planes: Gomory: 5 Zero half: 6 Explored 408 nodes (3370 simplex iterations) in 0.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 14), (7, 33), (7, 12), (11, 33), (11, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 334 rows, 528 columns and 33660 nonzeros Presolve time: 0.02s Presolved: 334 rows, 528 columns, 33660 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061930e+03, 116 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93000 0 44 1549.00000 1061.93000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93000 0.94% - 0s 0 0 1062.33333 0 29 1072.00000 1062.33333 0.90% - 0s 0 0 1062.33333 0 44 1072.00000 1062.33333 0.90% - 0s 0 0 1062.40000 0 30 1072.00000 1062.40000 0.90% - 0s 0 0 1062.87500 0 32 1072.00000 1062.87500 0.85% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 12 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s Cutting planes: Gomory: 5 Zero half: 11 Explored 350 nodes (3257 simplex iterations) in 0.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (14, 33), (15, 32)] Optimize a model with 336 rows, 528 columns and 33781 nonzeros Presolve time: 0.02s Presolved: 336 rows, 528 columns, 33781 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.72079 0 43 1073.00000 1062.72079 0.96% - 0s 0 0 1062.95375 0 45 1073.00000 1062.95375 0.94% - 0s 0 0 1062.95563 0 50 1073.00000 1062.95563 0.94% - 0s 0 0 1062.96095 0 54 1073.00000 1062.96095 0.94% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s * 51 26 13 1072.0000000 1063.36508 0.81% 8.4 0s Cutting planes: Gomory: 3 Zero half: 11 Explored 539 nodes (4067 simplex iterations) in 0.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 337 rows, 528 columns and 33847 nonzeros Presolve time: 0.02s Presolved: 337 rows, 528 columns, 33847 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.72079 0 43 1073.00000 1062.72079 0.96% - 0s 0 0 1062.95375 0 45 1073.00000 1062.95375 0.94% - 0s 0 0 1062.95563 0 50 1073.00000 1062.95563 0.94% - 0s 0 0 1062.96095 0 54 1073.00000 1062.96095 0.94% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s * 74 38 29 1072.0000000 1064.04054 0.74% 9.0 0s Cutting planes: Gomory: 3 Zero half: 30 Explored 535 nodes (4532 simplex iterations) in 0.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 11), (7, 33), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 338 rows, 528 columns and 33983 nonzeros Presolve time: 0.02s Presolved: 338 rows, 528 columns, 33983 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.72079 0 43 1073.00000 1062.72079 0.96% - 0s 0 0 1062.95375 0 45 1073.00000 1062.95375 0.94% - 0s 0 0 1062.95563 0 50 1073.00000 1062.95563 0.94% - 0s 0 0 1062.96095 0 54 1073.00000 1062.96095 0.94% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s * 64 29 12 1072.0000000 1064.00000 0.75% 8.9 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 535 nodes (3884 simplex iterations) in 0.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (14, 19), (15, 32), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 339 rows, 528 columns and 34074 nonzeros Presolve time: 0.02s Presolved: 339 rows, 528 columns, 34074 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.72079 0 43 1073.00000 1062.72079 0.96% - 0s 0 0 1062.95375 0 45 1073.00000 1062.95375 0.94% - 0s 0 0 1062.95563 0 50 1073.00000 1062.95563 0.94% - 0s 0 0 1062.96095 0 54 1073.00000 1062.96095 0.94% - 0s 0 0 1062.98512 0 48 1073.00000 1062.98512 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 23 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s * 217 76 13 1072.0000000 1065.50000 0.61% 7.1 0s Cutting planes: Gomory: 3 Zero half: 9 Explored 593 nodes (4432 simplex iterations) in 1.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 340 rows, 528 columns and 34152 nonzeros Presolve time: 0.02s Presolved: 340 rows, 528 columns, 34152 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93750 0.94% - 0s 0 0 1062.50000 0 10 1072.00000 1062.50000 0.89% - 0s 0 0 1062.50000 0 32 1072.00000 1062.50000 0.89% - 0s 0 0 1062.50000 0 10 1072.00000 1062.50000 0.89% - 0s 0 0 1062.72079 0 45 1072.00000 1062.72079 0.87% - 0s 0 0 1062.95375 0 45 1072.00000 1062.95375 0.84% - 0s 0 0 1062.95563 0 47 1072.00000 1062.95563 0.84% - 0s 0 0 1062.96095 0 51 1072.00000 1062.96095 0.84% - 0s 0 0 1062.96127 0 56 1072.00000 1062.96127 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 8 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s Cutting planes: Gomory: 4 Zero half: 7 Explored 498 nodes (4237 simplex iterations) in 0.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 13), (9, 33), (9, 10), (11, 33), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 341 rows, 528 columns and 34272 nonzeros Presolve time: 0.02s Presolved: 341 rows, 528 columns, 34272 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 134 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.72079 0 43 1073.00000 1062.72079 0.96% - 0s 0 0 1062.95375 0 45 1073.00000 1062.95375 0.94% - 0s 0 0 1062.95563 0 50 1073.00000 1062.95563 0.94% - 0s 0 0 1062.96095 0 54 1073.00000 1062.96095 0.94% - 0s 0 0 1062.98512 0 48 1073.00000 1062.98512 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 23 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s * 148 64 21 1072.0000000 1064.80000 0.67% 7.2 0s Cutting planes: Gomory: 3 Zero half: 7 Explored 500 nodes (4085 simplex iterations) in 0.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 13), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (7, 9), (9, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 343 rows, 528 columns and 34399 nonzeros Presolve time: 0.02s Presolved: 343 rows, 528 columns, 34399 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.72079 0 43 1073.00000 1062.72079 0.96% - 0s 0 0 1062.95375 0 45 1073.00000 1062.95375 0.94% - 0s 0 0 1062.95563 0 50 1073.00000 1062.95563 0.94% - 0s 0 0 1062.96095 0 54 1073.00000 1062.96095 0.94% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 29 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s * 47 23 7 1072.0000000 1064.04054 0.74% 10.1 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 529 nodes (3962 simplex iterations) in 0.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 10), (9, 11), (11, 19), (18, 26), (18, 27), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (27, 32)] adding cut for [(17, 28), (17, 29), (28, 29)] Optimize a model with 345 rows, 528 columns and 34507 nonzeros Presolve time: 0.02s Presolved: 345 rows, 528 columns, 34507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.96152 0 44 1073.00000 1062.96152 0.94% - 0s 0 0 1062.98046 0 32 1073.00000 1062.98046 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s H 56 31 1072.0000000 1063.83784 0.76% 11.0 0s Cutting planes: Gomory: 4 Zero half: 12 Explored 509 nodes (4508 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 10), (10, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 346 rows, 528 columns and 34643 nonzeros Presolve time: 0.02s Presolved: 346 rows, 528 columns, 34643 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.95563 0 50 1073.00000 1062.95563 0.94% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 8 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s H 56 22 1072.0000000 1063.92735 0.75% 9.7 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 385 nodes (3578 simplex iterations) in 0.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(12, 33), (12, 13), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 10), (9, 10), (9, 11), (11, 14), (15, 32)] Optimize a model with 348 rows, 528 columns and 34766 nonzeros Presolve time: 0.02s Presolved: 348 rows, 528 columns, 34766 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.96152 0 44 1073.00000 1062.96152 0.94% - 0s 0 0 1062.98046 0 32 1073.00000 1062.98046 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s * 101 33 8 1072.0000000 1064.33333 0.72% 7.4 0s Cutting planes: Gomory: 3 Zero half: 22 Explored 486 nodes (3830 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 33), (17, 28), (17, 29), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] adding cut for [(2, 32), (2, 11), (8, 9), (8, 12), (9, 10), (10, 11), (12, 13)] Optimize a model with 350 rows, 528 columns and 34914 nonzeros Presolve time: 0.02s Presolved: 350 rows, 528 columns, 34914 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s * 196 67 8 1072.0000000 1064.86337 0.67% 7.2 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 708 nodes (5267 simplex iterations) in 0.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(13, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 351 rows, 528 columns and 34980 nonzeros Presolve time: 0.02s Presolved: 351 rows, 528 columns, 34980 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 117 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s * 35 22 28 1072.0000000 1063.29182 0.81% 11.6 0s Cutting planes: Gomory: 4 Zero half: 7 Explored 483 nodes (4313 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (14, 33), (15, 32)] Optimize a model with 353 rows, 528 columns and 35103 nonzeros Presolve time: 0.02s Presolved: 353 rows, 528 columns, 35103 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 23 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s * 187 78 19 1072.0000000 1064.77143 0.67% 7.7 0s Cutting planes: Gomory: 3 Zero half: 6 Explored 561 nodes (4684 simplex iterations) in 0.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (6, 13), (7, 8), (8, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 355 rows, 528 columns and 35226 nonzeros Presolve time: 0.02s Presolved: 355 rows, 528 columns, 35226 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 28 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s * 239 87 9 1072.0000000 1066.00000 0.56% 6.8 0s Cutting planes: Gomory: 3 Zero half: 11 Explored 645 nodes (4531 simplex iterations) in 0.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 10), (9, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 356 rows, 528 columns and 35331 nonzeros Presolve time: 0.02s Presolved: 356 rows, 528 columns, 35331 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00118 0 19 1073.00000 1063.00118 0.93% - 0s * 112 45 16 1072.0000000 1064.58333 0.69% 8.3 0s Cutting planes: Gomory: 4 Zero half: 7 Explored 492 nodes (4038 simplex iterations) in 0.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 8), (7, 8), (7, 10), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 357 rows, 528 columns and 35436 nonzeros Presolve time: 0.02s Presolved: 357 rows, 528 columns, 35436 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1061.93750 0.94% - 0s 0 0 1062.50000 0 10 1072.00000 1062.50000 0.89% - 0s 0 0 1062.50000 0 32 1072.00000 1062.50000 0.89% - 0s 0 0 1062.50000 0 10 1072.00000 1062.50000 0.89% - 0s 0 0 1062.72079 0 43 1072.00000 1062.72079 0.87% - 0s 0 0 1062.95375 0 45 1072.00000 1062.95375 0.84% - 0s 0 0 1062.95563 0 48 1072.00000 1062.95563 0.84% - 0s 0 0 1062.96095 0 52 1072.00000 1062.96095 0.84% - 0s 0 0 1062.96127 0 53 1072.00000 1062.96127 0.84% - 0s 0 0 1062.96127 0 56 1072.00000 1062.96127 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 24 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 16 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 10 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s Cutting planes: Gomory: 4 Zero half: 20 Explored 341 nodes (3160 simplex iterations) in 0.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (10, 11), (11, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 358 rows, 528 columns and 35556 nonzeros Presolve time: 0.02s Presolved: 358 rows, 528 columns, 35556 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 28 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s * 337 127 18 1072.0000000 1066.00000 0.56% 6.8 0s Cutting planes: Gomory: 3 Zero half: 12 Explored 995 nodes (6559 simplex iterations) in 1.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 12), (9, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 359 rows, 528 columns and 35661 nonzeros Presolve time: 0.02s Presolved: 359 rows, 528 columns, 35661 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s H 186 71 1072.0000000 1065.00000 0.65% 7.1 0s Cutting planes: Gomory: 3 Zero half: 7 Explored 512 nodes (3875 simplex iterations) in 0.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 360 rows, 528 columns and 35739 nonzeros Presolve time: 0.02s Presolved: 360 rows, 528 columns, 35739 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s * 95 33 13 1072.0000000 1064.39543 0.71% 8.7 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 484 nodes (3799 simplex iterations) in 0.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 9), (9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 33), (7, 8), (8, 10), (10, 11), (11, 14), (12, 33), (12, 13)] Optimize a model with 362 rows, 528 columns and 35862 nonzeros Presolve time: 0.02s Presolved: 362 rows, 528 columns, 35862 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s * 208 72 15 1072.0000000 1064.86337 0.67% 7.4 0s Cutting planes: Gomory: 3 Zero half: 8 Explored 492 nodes (3942 simplex iterations) in 0.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 363 rows, 528 columns and 35940 nonzeros Presolve time: 0.02s Presolved: 363 rows, 528 columns, 35940 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s * 145 56 15 1072.0000000 1064.71429 0.68% 8.1 0s Cutting planes: Gomory: 4 Zero half: 8 Explored 485 nodes (4294 simplex iterations) in 0.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (9, 33), (9, 10), (11, 33), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 364 rows, 528 columns and 36076 nonzeros Presolve time: 0.02s Presolved: 364 rows, 528 columns, 36076 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 25 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 28 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00292 0 59 1073.00000 1063.00292 0.93% - 0s 0 0 1063.01930 0 48 1073.00000 1063.01930 0.93% - 0s 0 0 1063.02515 0 55 1073.00000 1063.02515 0.93% - 0s 0 0 1063.04244 0 58 1073.00000 1063.04244 0.93% - 0s 0 0 1063.04323 0 58 1073.00000 1063.04323 0.93% - 0s 0 0 1063.04485 0 60 1073.00000 1063.04485 0.93% - 0s 0 0 1063.04829 0 54 1073.00000 1063.04829 0.93% - 0s 0 0 1063.04937 0 60 1073.00000 1063.04937 0.93% - 0s 0 0 1063.05948 0 52 1073.00000 1063.05948 0.93% - 0s 0 0 1063.05948 0 55 1073.00000 1063.05948 0.93% - 0s 0 0 1063.06966 0 55 1073.00000 1063.06966 0.93% - 0s 0 0 1063.07296 0 55 1073.00000 1063.07296 0.93% - 0s 0 0 1063.07296 0 56 1073.00000 1063.07296 0.93% - 0s 0 0 1063.07296 0 56 1073.00000 1063.07296 0.93% - 0s 0 2 1063.07888 0 56 1073.00000 1063.07888 0.92% - 0s * 99 46 15 1072.0000000 1064.75000 0.68% 9.4 1s Cutting planes: Gomory: 5 Zero half: 22 Explored 443 nodes (3824 simplex iterations) in 1.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(9, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 8), (6, 13), (7, 8), (7, 10), (10, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 366 rows, 528 columns and 36197 nonzeros Presolve time: 0.02s Presolved: 366 rows, 528 columns, 36197 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s * 234 82 11 1072.0000000 1065.25926 0.63% 7.8 0s Cutting planes: Gomory: 3 Zero half: 4 Explored 722 nodes (5943 simplex iterations) in 1.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (6, 13), (7, 9), (9, 33), (12, 33), (12, 14), (15, 32)] Optimize a model with 368 rows, 528 columns and 36320 nonzeros Presolve time: 0.02s Presolved: 368 rows, 528 columns, 36320 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 19 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s * 176 47 18 1072.0000000 1065.33333 0.62% 8.7 0s Cutting planes: Gomory: 3 Zero half: 10 Explored 480 nodes (4370 simplex iterations) in 0.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (14, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 369 rows, 528 columns and 36411 nonzeros Presolve time: 0.02s Presolved: 369 rows, 528 columns, 36411 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s * 192 59 10 1072.0000000 1065.64815 0.59% 7.7 0s Cutting planes: Gomory: 3 Zero half: 4 Explored 491 nodes (4166 simplex iterations) in 0.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 370 rows, 528 columns and 36477 nonzeros Presolve time: 0.02s Presolved: 370 rows, 528 columns, 36477 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s * 147 57 18 1072.0000000 1065.18421 0.64% 7.7 0s Cutting planes: Gomory: 3 Zero half: 4 Explored 458 nodes (4024 simplex iterations) in 0.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 10), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 371 rows, 528 columns and 36568 nonzeros Presolve time: 0.02s Presolved: 371 rows, 528 columns, 36568 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s H 83 35 1072.0000000 1064.78049 0.67% 8.6 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 548 nodes (3916 simplex iterations) in 0.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 372 rows, 528 columns and 36688 nonzeros Presolve time: 0.02s Presolved: 372 rows, 528 columns, 36688 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 17 1073.00000 1063.00000 0.93% - 0s * 175 48 16 1072.0000000 1065.33333 0.62% 8.0 0s Cutting planes: Gomory: 3 Zero half: 4 Explored 537 nodes (4385 simplex iterations) in 1.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 11), (11, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 373 rows, 528 columns and 36793 nonzeros Presolve time: 0.02s Presolved: 373 rows, 528 columns, 36793 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s * 50 15 7 1072.0000000 1064.00000 0.75% 8.4 0s Cutting planes: Gomory: 3 Zero half: 4 Explored 419 nodes (3379 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 374 rows, 528 columns and 36898 nonzeros Presolve time: 0.02s Presolved: 374 rows, 528 columns, 36898 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 18 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 21 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 15 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s * 178 74 23 1072.0000000 1065.08333 0.65% 7.5 0s Cutting planes: Gomory: 3 Zero half: 12 Explored 470 nodes (3810 simplex iterations) in 0.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 9), (9, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (7, 13), (8, 10), (10, 33), (12, 33), (12, 14)] Optimize a model with 376 rows, 528 columns and 37012 nonzeros Presolve time: 0.02s Presolved: 376 rows, 528 columns, 37012 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 25 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 28 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00228 0 56 1073.00000 1063.00228 0.93% - 0s 0 0 1063.00302 0 59 1073.00000 1063.00302 0.93% - 0s 0 0 1063.01630 0 47 1073.00000 1063.01630 0.93% - 0s 0 0 1063.01909 0 51 1073.00000 1063.01909 0.93% - 0s 0 0 1063.03059 0 57 1073.00000 1063.03059 0.93% - 0s 0 0 1063.03097 0 55 1073.00000 1063.03097 0.93% - 0s 0 0 1063.03245 0 58 1073.00000 1063.03245 0.93% - 0s 0 0 1063.03276 0 59 1073.00000 1063.03276 0.93% - 0s 0 0 1063.04462 0 49 1073.00000 1063.04462 0.93% - 0s 0 0 1063.04556 0 54 1073.00000 1063.04556 0.93% - 0s 0 0 1063.04556 0 54 1073.00000 1063.04556 0.93% - 0s 0 0 1063.04556 0 57 1073.00000 1063.04556 0.93% - 0s 0 0 1063.04556 0 57 1073.00000 1063.04556 0.93% - 0s 0 2 1063.04566 0 57 1073.00000 1063.04566 0.93% - 0s * 238 86 20 1072.0000000 1065.52500 0.60% 7.1 1s Cutting planes: Gomory: 4 Zero half: 22 Explored 642 nodes (4958 simplex iterations) in 1.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(11, 13), (11, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 377 rows, 528 columns and 37090 nonzeros Presolve time: 0.02s Presolved: 377 rows, 528 columns, 37090 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 25 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 28 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00228 0 56 1073.00000 1063.00228 0.93% - 0s 0 0 1063.00302 0 59 1073.00000 1063.00302 0.93% - 0s 0 0 1063.01630 0 47 1073.00000 1063.01630 0.93% - 0s 0 0 1063.01909 0 54 1073.00000 1063.01909 0.93% - 0s 0 0 1063.02397 0 46 1073.00000 1063.02397 0.93% - 0s 0 0 1063.03059 0 57 1073.00000 1063.03059 0.93% - 0s 0 0 1063.03305 0 58 1073.00000 1063.03305 0.93% - 0s 0 0 1063.03316 0 58 1073.00000 1063.03316 0.93% - 0s 0 0 1063.03316 0 59 1073.00000 1063.03316 0.93% - 0s 0 0 1063.03323 0 60 1073.00000 1063.03323 0.93% - 0s 0 2 1063.03437 0 60 1073.00000 1063.03437 0.93% - 0s H 118 50 1072.0000000 1064.88119 0.66% 8.1 0s Cutting planes: Gomory: 4 Zero half: 24 Mod-K: 1 Explored 430 nodes (3569 simplex iterations) in 1.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 378 rows, 528 columns and 37181 nonzeros Presolve time: 0.02s Presolved: 378 rows, 528 columns, 37181 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.061938e+03, 120 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1061.93750 0 32 1549.00000 1061.93750 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1061.93750 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 32 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.95375 0 47 1073.00000 1062.95375 0.94% - 0s 0 0 1062.98152 0 50 1073.00000 1062.98152 0.93% - 0s 0 0 1063.00000 0 25 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 28 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00228 0 56 1073.00000 1063.00228 0.93% - 0s 0 0 1063.00302 0 59 1073.00000 1063.00302 0.93% - 0s 0 0 1063.01630 0 47 1073.00000 1063.01630 0.93% - 0s 0 0 1063.01909 0 54 1073.00000 1063.01909 0.93% - 0s 0 0 1063.02397 0 46 1073.00000 1063.02397 0.93% - 0s 0 0 1063.03059 0 53 1073.00000 1063.03059 0.93% - 0s 0 0 1063.03169 0 54 1073.00000 1063.03169 0.93% - 0s 0 0 1063.03433 0 45 1073.00000 1063.03433 0.93% - 0s 0 0 1063.03433 0 48 1073.00000 1063.03433 0.93% - 0s 0 0 1063.03433 0 49 1073.00000 1063.03433 0.93% - 0s 0 0 1063.03433 0 46 1073.00000 1063.03433 0.93% - 0s 0 0 1063.03433 0 48 1073.00000 1063.03433 0.93% - 0s 0 0 1063.03433 0 48 1073.00000 1063.03433 0.93% - 0s 0 2 1063.03439 0 48 1073.00000 1063.03439 0.93% - 0s * 176 71 5 1072.0000000 1065.50000 0.61% 8.6 0s Cutting planes: Gomory: 5 Zero half: 14 Mod-K: 1 Explored 567 nodes (4890 simplex iterations) in 1.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(8, 9), (9, 10), (10, 11), (11, 19), (17, 25), (17, 29), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29)] Optimize a model with 379 rows, 528 columns and 37317 nonzeros Presolve time: 0.02s Presolved: 379 rows, 528 columns, 37317 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.31429 0 39 1086.00000 1062.31429 2.18% - 0s 0 0 1062.31429 0 10 1086.00000 1062.31429 2.18% - 0s H 0 0 1078.0000000 1062.31429 1.46% - 0s 0 0 1062.32295 0 41 1078.00000 1062.32295 1.45% - 0s 0 0 1062.66163 0 39 1078.00000 1062.66163 1.42% - 0s H 0 0 1077.0000000 1062.66163 1.33% - 0s 0 2 1063.34938 0 39 1077.00000 1063.34938 1.27% - 0s H 1 2 1074.0000000 1063.34938 0.99% 1.0 0s H 12 9 1073.0000000 1063.38854 0.90% 0.1 0s * 165 24 17 1072.0000000 1067.50000 0.42% 11.9 1s Cutting planes: Gomory: 7 Zero half: 1 Mod-K: 1 Explored 252 nodes (2908 simplex iterations) in 1.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 33), (17, 29), (17, 30), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] adding cut for [(2, 32), (2, 11), (7, 8), (7, 12), (8, 9), (9, 10), (10, 11), (12, 13)] Optimize a model with 381 rows, 528 columns and 37458 nonzeros Presolve time: 0.02s Presolved: 381 rows, 528 columns, 37458 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.32667 0 37 1075.00000 1062.32667 1.18% - 0s 0 0 1062.32667 0 10 1075.00000 1062.32667 1.18% - 0s 0 0 1062.32667 0 41 1075.00000 1062.32667 1.18% - 0s 0 0 1062.76369 0 46 1075.00000 1062.76369 1.14% - 0s 0 0 1062.81472 0 48 1075.00000 1062.81472 1.13% - 0s 0 0 1062.86733 0 49 1075.00000 1062.86733 1.13% - 0s 0 0 1062.92757 0 51 1075.00000 1062.92757 1.12% - 0s 0 0 1062.92757 0 52 1075.00000 1062.92757 1.12% - 0s 0 0 1062.94057 0 54 1075.00000 1062.94057 1.12% - 0s 0 0 1062.94940 0 54 1075.00000 1062.94940 1.12% - 0s 0 0 1062.97904 0 45 1075.00000 1062.97904 1.12% - 0s 0 0 1062.97904 0 50 1075.00000 1062.97904 1.12% - 0s H 0 0 1074.0000000 1062.97904 1.03% - 0s 0 0 1063.01480 0 53 1074.00000 1063.01480 1.02% - 0s 0 0 1063.01740 0 56 1074.00000 1063.01740 1.02% - 0s 0 0 1063.04865 0 58 1074.00000 1063.04865 1.02% - 0s 0 0 1063.05388 0 60 1074.00000 1063.05388 1.02% - 0s 0 0 1063.06275 0 62 1074.00000 1063.06275 1.02% - 0s 0 0 1063.06275 0 62 1074.00000 1063.06275 1.02% - 0s 0 0 1063.06684 0 57 1074.00000 1063.06684 1.02% - 0s H 0 0 1073.0000000 1063.06684 0.93% - 0s 0 2 1063.07622 0 56 1073.00000 1063.07622 0.92% - 0s * 190 37 18 1072.0000000 1067.75000 0.40% 10.1 1s Cutting planes: Gomory: 5 Zero half: 29 Explored 327 nodes (3704 simplex iterations) in 1.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 14), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 382 rows, 528 columns and 37563 nonzeros Presolve time: 0.02s Presolved: 382 rows, 528 columns, 37563 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.46154 0 37 1549.00000 1062.46154 31.4% - 0s 0 0 1062.86005 0 35 1549.00000 1062.86005 31.4% - 0s H 0 0 1099.0000000 1062.86005 3.29% - 0s 0 0 1063.00000 0 12 1099.00000 1063.00000 3.28% - 0s 0 0 1063.00000 0 14 1099.00000 1063.00000 3.28% - 0s 0 0 1063.00000 0 12 1099.00000 1063.00000 3.28% - 0s 0 0 1063.00000 0 14 1099.00000 1063.00000 3.28% - 0s 0 0 1063.00000 0 16 1099.00000 1063.00000 3.28% - 0s 0 0 1063.00000 0 20 1099.00000 1063.00000 3.28% - 0s 0 0 1063.00000 0 20 1099.00000 1063.00000 3.28% - 0s H 0 0 1086.0000000 1063.00000 2.12% - 0s 0 0 1063.00000 0 10 1086.00000 1063.00000 2.12% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 2 1063.02797 0 12 1078.00000 1063.02797 1.39% - 0s H 19 13 1075.0000000 1063.46450 1.07% 0.4 1s H 19 12 1074.0000000 1063.46450 0.98% 0.4 1s H 19 11 1073.0000000 1063.46450 0.89% 0.4 1s * 272 54 24 1072.0000000 1066.60000 0.50% 9.6 1s Cutting planes: Gomory: 10 Zero half: 6 Explored 436 nodes (4187 simplex iterations) in 2.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 11), (10, 12), (11, 19), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 383 rows, 528 columns and 37683 nonzeros Presolve time: 0.02s Presolved: 383 rows, 528 columns, 37683 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1062.00000 0.93% - 0s 0 0 1062.49259 0 35 1072.00000 1062.49259 0.89% - 0s 0 0 1062.49259 0 10 1072.00000 1062.49259 0.89% - 0s 0 0 1062.51175 0 38 1072.00000 1062.51175 0.89% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 14 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 17 1072.00000 1063.00000 0.84% - 0s 0 0 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s 0 2 1063.00000 0 15 1072.00000 1063.00000 0.84% - 0s Cutting planes: Gomory: 2 Zero half: 4 Explored 317 nodes (2849 simplex iterations) in 0.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (13, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 384 rows, 528 columns and 37774 nonzeros Presolve time: 0.02s Presolved: 384 rows, 528 columns, 37774 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.32000 0 36 1077.00000 1062.32000 1.36% - 0s 0 0 1062.32000 0 10 1077.00000 1062.32000 1.36% - 0s 0 0 1062.32000 0 36 1077.00000 1062.32000 1.36% - 0s H 0 0 1075.0000000 1062.32000 1.18% - 0s 0 0 1062.73307 0 42 1075.00000 1062.73307 1.14% - 0s 0 0 1062.91651 0 36 1075.00000 1062.91651 1.12% - 0s 0 0 1062.94173 0 41 1075.00000 1062.94173 1.12% - 0s 0 0 1063.00000 0 30 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 29 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 41 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 29 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 38 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 50 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 47 1075.00000 1063.00000 1.12% - 0s H 0 0 1073.0000000 1063.00000 0.93% - 0s 0 2 1063.00000 0 47 1073.00000 1063.00000 0.93% - 0s * 407 131 17 1072.0000000 1066.45455 0.52% 7.4 1s Cutting planes: Gomory: 4 Zero half: 12 Explored 912 nodes (6710 simplex iterations) in 1.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (13, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 385 rows, 528 columns and 37865 nonzeros Presolve time: 0.02s Presolved: 385 rows, 528 columns, 37865 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1072.0000000 1062.00000 0.93% - 0s 0 0 1062.32000 0 36 1072.00000 1062.32000 0.90% - 0s 0 0 1062.32000 0 10 1072.00000 1062.32000 0.90% - 0s 0 0 1062.32000 0 40 1072.00000 1062.32000 0.90% - 0s 0 0 1062.73352 0 48 1072.00000 1062.73352 0.86% - 0s 0 0 1062.74812 0 41 1072.00000 1062.74812 0.86% - 0s 0 0 1062.86264 0 50 1072.00000 1062.86264 0.85% - 0s 0 0 1063.00000 0 53 1072.00000 1063.00000 0.84% - 0s 0 0 1063.03684 0 47 1072.00000 1063.03684 0.84% - 0s 0 0 1063.04642 0 57 1072.00000 1063.04642 0.84% - 0s 0 0 1063.06808 0 52 1072.00000 1063.06808 0.83% - 0s 0 0 1063.06808 0 56 1072.00000 1063.06808 0.83% - 0s 0 0 1063.08395 0 55 1072.00000 1063.08395 0.83% - 0s 0 0 1063.08756 0 56 1072.00000 1063.08756 0.83% - 0s 0 0 1063.08880 0 55 1072.00000 1063.08880 0.83% - 0s 0 0 1063.13361 0 49 1072.00000 1063.13361 0.83% - 0s 0 0 1063.13361 0 49 1072.00000 1063.13361 0.83% - 0s 0 2 1063.20176 0 49 1072.00000 1063.20176 0.82% - 0s Cutting planes: Gomory: 7 Zero half: 15 Explored 148 nodes (1824 simplex iterations) in 0.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 11), (9, 12), (11, 19), (12, 14), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 386 rows, 528 columns and 37985 nonzeros Presolve time: 0.02s Presolved: 386 rows, 528 columns, 37985 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.21429 0 35 1077.00000 1062.21429 1.37% - 0s 0 0 1062.21429 0 10 1077.00000 1062.21429 1.37% - 0s 0 0 1062.25000 0 36 1077.00000 1062.25000 1.37% - 0s H 0 0 1073.0000000 1062.25000 1.00% - 0s 0 0 1062.65150 0 40 1073.00000 1062.65150 0.96% - 0s 0 0 1062.70449 0 46 1073.00000 1062.70449 0.96% - 0s 0 2 1062.79904 0 46 1073.00000 1062.79904 0.95% - 0s * 116 29 21 1072.0000000 1065.50000 0.61% 13.5 1s Cutting planes: Gomory: 10 Zero half: 1 Explored 370 nodes (3608 simplex iterations) in 1.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 12), (12, 13), (17, 28), (17, 29), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 387 rows, 528 columns and 38121 nonzeros Presolve time: 0.02s Presolved: 387 rows, 528 columns, 38121 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.16667 0 13 1549.00000 1062.16667 31.4% - 0s 0 0 1062.52490 0 39 1549.00000 1062.52490 31.4% - 0s H 0 0 1130.0000000 1062.52490 5.97% - 0s H 0 0 1080.0000000 1062.52490 1.62% - 0s H 0 0 1074.0000000 1062.52490 1.07% - 0s 0 0 1062.61325 0 44 1074.00000 1062.61325 1.06% - 0s 0 0 1062.61325 0 10 1074.00000 1062.61325 1.06% - 0s 0 0 1062.61325 0 43 1074.00000 1062.61325 1.06% - 0s 0 0 1062.66121 0 50 1074.00000 1062.66121 1.06% - 0s 0 0 1062.85471 0 43 1074.00000 1062.85471 1.04% - 0s 0 0 1062.85471 0 47 1074.00000 1062.85471 1.04% - 0s 0 0 1062.85471 0 49 1074.00000 1062.85471 1.04% - 0s 0 0 1062.85471 0 47 1074.00000 1062.85471 1.04% - 0s 0 0 1062.85471 0 50 1074.00000 1062.85471 1.04% - 0s 0 0 1062.94705 0 47 1074.00000 1062.94705 1.03% - 0s 0 0 1062.94705 0 51 1074.00000 1062.94705 1.03% - 0s 0 0 1062.94705 0 51 1074.00000 1062.94705 1.03% - 0s 0 0 1062.94705 0 54 1074.00000 1062.94705 1.03% - 0s 0 0 1062.95500 0 49 1074.00000 1062.95500 1.03% - 0s 0 0 1062.95500 0 49 1074.00000 1062.95500 1.03% - 0s H 0 0 1073.0000000 1062.95500 0.94% - 0s 0 2 1062.98992 0 43 1073.00000 1062.98992 0.93% - 0s * 162 24 6 1072.0000000 1068.33333 0.34% 8.7 0s Cutting planes: Gomory: 4 Zero half: 10 Explored 228 nodes (2274 simplex iterations) in 1.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(15, 18), (17, 29), (17, 30), (18, 27), (27, 28), (28, 29)] Optimize a model with 389 rows, 528 columns and 38247 nonzeros Presolve time: 0.02s Presolved: 389 rows, 528 columns, 38247 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.05446 0 39 1549.00000 1062.05446 31.4% - 0s 0 0 1062.20614 0 42 1549.00000 1062.20614 31.4% - 0s 0 0 1062.20614 0 42 1549.00000 1062.20614 31.4% - 0s H 0 0 1075.0000000 1062.20614 1.19% - 0s 0 0 1062.20614 0 46 1075.00000 1062.20614 1.19% - 0s 0 0 1062.20614 0 10 1075.00000 1062.20614 1.19% - 0s 0 0 1062.32833 0 39 1075.00000 1062.32833 1.18% - 0s 0 0 1062.76549 0 37 1075.00000 1062.76549 1.14% - 0s 0 0 1062.90616 0 39 1075.00000 1062.90616 1.13% - 0s 0 0 1062.90616 0 39 1075.00000 1062.90616 1.13% - 0s 0 0 1062.90616 0 41 1075.00000 1062.90616 1.13% - 0s 0 0 1062.90616 0 45 1075.00000 1062.90616 1.13% - 0s 0 0 1062.90616 0 43 1075.00000 1062.90616 1.13% - 0s 0 0 1062.90616 0 47 1075.00000 1062.90616 1.13% - 0s 0 0 1062.90616 0 47 1075.00000 1062.90616 1.13% - 0s H 0 0 1074.0000000 1062.90616 1.03% - 0s 0 2 1062.94990 0 47 1074.00000 1062.94990 1.03% - 0s * 106 51 26 1073.0000000 1064.00000 0.84% 5.7 0s * 391 68 18 1072.0000000 1067.83333 0.39% 7.9 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 512 nodes (4404 simplex iterations) in 1.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(10, 12), (10, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 390 rows, 528 columns and 38338 nonzeros Presolve time: 0.02s Presolved: 390 rows, 528 columns, 38338 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1073.0000000 1062.00000 1.03% - 0s 0 0 1062.00000 0 12 1073.00000 1062.00000 1.03% - 0s 0 0 1062.00000 0 10 1073.00000 1062.00000 1.03% - 0s 0 0 1062.20000 0 39 1073.00000 1062.20000 1.01% - 0s 0 0 1062.38318 0 42 1073.00000 1062.38318 0.99% - 0s 0 0 1062.74284 0 47 1073.00000 1062.74284 0.96% - 0s 0 0 1062.79787 0 39 1073.00000 1062.79787 0.95% - 0s 0 0 1062.80000 0 45 1073.00000 1062.80000 0.95% - 0s 0 0 1062.85417 0 45 1073.00000 1062.85417 0.95% - 0s 0 0 1062.85417 0 52 1073.00000 1062.85417 0.95% - 0s 0 0 1062.86627 0 52 1073.00000 1062.86627 0.94% - 0s 0 0 1063.00000 0 10 1073.00000 1063.00000 0.93% - 0s 0 0 1063.02632 0 48 1073.00000 1063.02632 0.93% - 0s 0 0 1063.02632 0 51 1073.00000 1063.02632 0.93% - 0s 0 0 1063.03333 0 44 1073.00000 1063.03333 0.93% - 0s 0 0 1063.03333 0 50 1073.00000 1063.03333 0.93% - 0s 0 0 1063.03333 0 51 1073.00000 1063.03333 0.93% - 0s 0 0 1063.03333 0 51 1073.00000 1063.03333 0.93% - 0s 0 0 1063.04348 0 41 1073.00000 1063.04348 0.93% - 0s 0 0 1063.04348 0 41 1073.00000 1063.04348 0.93% - 0s 0 2 1063.06667 0 41 1073.00000 1063.06667 0.93% - 0s * 253 45 12 1072.0000000 1068.50000 0.33% 7.9 0s Cutting planes: Gomory: 4 Zero half: 19 Explored 327 nodes (2979 simplex iterations) in 1.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 391 rows, 528 columns and 38509 nonzeros Presolve time: 0.02s Presolved: 391 rows, 528 columns, 38509 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.27027 0 36 1549.00000 1062.27027 31.4% - 0s 0 0 1062.89857 0 44 1549.00000 1062.89857 31.4% - 0s H 0 0 1148.0000000 1062.89857 7.41% - 0s H 0 0 1121.0000000 1062.89857 5.18% - 0s H 0 0 1080.0000000 1062.89857 1.58% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 36 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 21 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00395 0 45 1080.00000 1063.00395 1.57% - 0s 0 0 1063.00395 0 43 1080.00000 1063.00395 1.57% - 0s 0 0 1063.00395 0 49 1080.00000 1063.00395 1.57% - 0s 0 0 1063.00395 0 42 1080.00000 1063.00395 1.57% - 0s 0 0 1063.00395 0 45 1080.00000 1063.00395 1.57% - 0s 0 0 1063.00395 0 46 1080.00000 1063.00395 1.57% - 0s H 0 0 1079.0000000 1063.00395 1.48% - 0s H 0 0 1074.0000000 1063.00395 1.02% - 0s 0 2 1063.01554 0 46 1074.00000 1063.01554 1.02% - 0s * 30 10 26 1073.0000000 1063.18553 0.91% 11.4 0s H 352 4 1072.0000000 1070.90000 0.10% 8.4 1s Cutting planes: Gomory: 6 Zero half: 19 Explored 361 nodes (3452 simplex iterations) in 1.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.072000000000e+03, best bound 1.072000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 9), (9, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 392 rows, 528 columns and 38600 nonzeros Presolve time: 0.02s Presolved: 392 rows, 528 columns, 38600 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.27273 0 35 1549.00000 1062.27273 31.4% - 0s 0 0 1062.64387 0 42 1549.00000 1062.64387 31.4% - 0s H 0 0 1208.0000000 1062.64387 12.0% - 0s H 0 0 1075.0000000 1062.64387 1.15% - 0s H 0 0 1073.0000000 1062.64387 0.97% - 0s 0 0 1062.71791 0 53 1073.00000 1062.71791 0.96% - 0s 0 0 1062.71791 0 10 1073.00000 1062.71791 0.96% - 0s 0 0 1062.71791 0 36 1073.00000 1062.71791 0.96% - 0s 0 0 1062.71791 0 47 1073.00000 1062.71791 0.96% - 0s 0 0 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 25 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 10 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 16 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 12 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 30 1073.00000 1063.00000 0.93% - 0s 0 0 1063.00000 0 24 1073.00000 1063.00000 0.93% - 0s 0 2 1063.00000 0 14 1073.00000 1063.00000 0.93% - 0s Cutting planes: Gomory: 3 Zero half: 13 Explored 365 nodes (3758 simplex iterations) in 1.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(8, 12), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 393 rows, 528 columns and 38678 nonzeros Presolve time: 0.02s Presolved: 393 rows, 528 columns, 38678 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.38400 0 38 1549.00000 1062.38400 31.4% - 0s 0 0 1062.50000 0 14 1549.00000 1062.50000 31.4% - 0s 0 0 1062.79606 0 35 1549.00000 1062.79606 31.4% - 0s H 0 0 1125.0000000 1062.79606 5.53% - 0s H 0 0 1093.0000000 1062.79606 2.76% - 0s 0 0 1062.83756 0 29 1093.00000 1062.83756 2.76% - 0s 0 0 1062.87618 0 40 1093.00000 1062.87618 2.76% - 0s 0 0 1062.87618 0 44 1093.00000 1062.87618 2.76% - 0s 0 0 1062.87618 0 38 1093.00000 1062.87618 2.76% - 0s 0 0 1062.87618 0 41 1093.00000 1062.87618 2.76% - 0s 0 0 1062.87618 0 42 1093.00000 1062.87618 2.76% - 0s 0 0 1062.87618 0 45 1093.00000 1062.87618 2.76% - 0s 0 0 1062.87618 0 45 1093.00000 1062.87618 2.76% - 0s H 0 0 1078.0000000 1062.87618 1.40% - 0s 0 0 1062.87618 0 10 1078.00000 1062.87618 1.40% - 0s 0 0 1062.87618 0 38 1078.00000 1062.87618 1.40% - 0s 0 0 1062.87618 0 43 1078.00000 1062.87618 1.40% - 0s 0 0 1062.90098 0 48 1078.00000 1062.90098 1.40% - 0s 0 0 1062.90098 0 51 1078.00000 1062.90098 1.40% - 0s 0 0 1062.95749 0 35 1078.00000 1062.95749 1.40% - 0s H 0 0 1077.0000000 1062.95749 1.30% - 0s 0 0 1062.96494 0 40 1077.00000 1062.96494 1.30% - 0s 0 0 1062.96637 0 49 1077.00000 1062.96637 1.30% - 0s 0 0 1062.96637 0 49 1077.00000 1062.96637 1.30% - 0s 0 0 1062.96637 0 49 1077.00000 1062.96637 1.30% - 0s 0 2 1063.00000 0 49 1077.00000 1063.00000 1.30% - 0s * 32 14 31 1074.0000000 1063.66188 0.96% 6.9 1s * 69 37 36 1073.0000000 1063.95107 0.84% 6.5 1s Cutting planes: Gomory: 6 Zero half: 17 Mod-K: 1 Explored 450 nodes (4341 simplex iterations) in 1.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(7, 12), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 8), (6, 13), (8, 9), (9, 10), (10, 11), (11, 33), (14, 33)] Optimize a model with 395 rows, 528 columns and 38801 nonzeros Presolve time: 0.02s Presolved: 395 rows, 528 columns, 38801 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.16667 0 13 1549.00000 1062.16667 31.4% - 0s 0 0 1062.52823 0 47 1549.00000 1062.52823 31.4% - 0s H 0 0 1175.0000000 1062.52823 9.57% - 0s H 0 0 1086.0000000 1062.52823 2.16% - 0s H 0 0 1079.0000000 1062.52823 1.53% - 0s H 0 0 1076.0000000 1062.52823 1.25% - 0s 0 0 1063.00000 0 8 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 10 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 31 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 39 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 13 1076.00000 1063.00000 1.21% - 0s H 0 0 1075.0000000 1063.00000 1.12% - 0s 0 0 1063.00000 0 13 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 19 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 23 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 28 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 28 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 28 1075.00000 1063.00000 1.12% - 0s H 81 32 1073.0000000 1063.00000 0.93% 5.4 1s Cutting planes: Gomory: 1 Explored 1596 nodes (12087 simplex iterations) in 2.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (12, 33), (12, 14), (15, 32)] Optimize a model with 396 rows, 528 columns and 38856 nonzeros Presolve time: 0.02s Presolved: 396 rows, 528 columns, 38856 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.39726 0 35 1084.00000 1062.39726 1.99% - 0s 0 0 1062.39726 0 10 1084.00000 1062.39726 1.99% - 0s H 0 0 1078.0000000 1062.39726 1.45% - 0s 0 0 1062.46352 0 40 1078.00000 1062.46352 1.44% - 0s 0 0 1062.94573 0 22 1078.00000 1062.94573 1.40% - 0s 0 0 1062.94573 0 23 1078.00000 1062.94573 1.40% - 0s 0 0 1062.94573 0 23 1078.00000 1062.94573 1.40% - 0s 0 0 1062.96111 0 44 1078.00000 1062.96111 1.40% - 0s 0 0 1062.96111 0 41 1078.00000 1062.96111 1.40% - 0s 0 0 1062.96111 0 45 1078.00000 1062.96111 1.40% - 0s 0 0 1063.01747 0 42 1078.00000 1063.01747 1.39% - 0s H 0 0 1073.0000000 1063.01747 0.93% - 0s 0 0 1063.02057 0 48 1073.00000 1063.02057 0.93% - 0s 0 2 1063.38449 0 48 1073.00000 1063.38449 0.90% - 0s Cutting planes: Gomory: 7 MIR: 1 Zero half: 6 Mod-K: 1 Explored 434 nodes (4013 simplex iterations) in 2.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (12, 33), (12, 14), (15, 32)] Optimize a model with 397 rows, 528 columns and 38922 nonzeros Presolve time: 0.02s Presolved: 397 rows, 528 columns, 38922 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.00000 0 39 1549.00000 1062.00000 31.4% - 0s 0 0 1062.44382 0 35 1549.00000 1062.44382 31.4% - 0s H 0 0 1106.0000000 1062.44382 3.94% - 0s H 0 0 1079.0000000 1062.44382 1.53% - 0s 0 0 1062.66667 0 35 1079.00000 1062.66667 1.51% - 0s 0 0 1062.66667 0 10 1079.00000 1062.66667 1.51% - 0s 0 0 1062.66667 0 35 1079.00000 1062.66667 1.51% - 0s 0 0 1062.66667 0 35 1079.00000 1062.66667 1.51% - 0s 0 0 1062.79875 0 47 1079.00000 1062.79875 1.50% - 0s 0 0 1062.79875 0 48 1079.00000 1062.79875 1.50% - 0s 0 0 1062.80467 0 45 1079.00000 1062.80467 1.50% - 0s 0 0 1062.80467 0 51 1079.00000 1062.80467 1.50% - 0s 0 0 1062.80467 0 49 1079.00000 1062.80467 1.50% - 0s 0 0 1062.80467 0 52 1079.00000 1062.80467 1.50% - 0s H 0 0 1074.0000000 1062.80467 1.04% - 0s 0 0 1062.86039 0 50 1074.00000 1062.86039 1.04% - 0s 0 2 1062.93922 0 50 1074.00000 1062.93922 1.03% - 0s H 1 2 1073.0000000 1062.93922 0.94% 6.0 0s Cutting planes: Gomory: 9 Zero half: 9 Explored 612 nodes (5557 simplex iterations) in 2.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 33), (9, 10), (11, 33), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 398 rows, 528 columns and 39027 nonzeros Presolve time: 0.02s Presolved: 398 rows, 528 columns, 39027 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.40541 0 37 1078.00000 1062.40541 1.45% - 0s 0 0 1062.40541 0 10 1078.00000 1062.40541 1.45% - 0s 0 0 1062.44444 0 47 1078.00000 1062.44444 1.44% - 0s 0 0 1062.71008 0 22 1078.00000 1062.71008 1.42% - 0s 0 0 1063.00000 0 22 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 19 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 22 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 2 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s * 52 28 41 1076.0000000 1064.23437 1.09% 6.7 0s H 53 21 1073.0000000 1064.23437 0.82% 6.5 0s Cutting planes: Gomory: 5 Zero half: 7 Explored 777 nodes (5995 simplex iterations) in 1.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 15), (8, 10), (9, 33), (9, 10), (12, 33), (12, 14), (15, 32)] Optimize a model with 399 rows, 528 columns and 39063 nonzeros Presolve time: 0.02s Presolved: 399 rows, 528 columns, 39063 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.29523 0 39 1084.00000 1062.29523 2.00% - 0s 0 0 1062.29523 0 10 1084.00000 1062.29523 2.00% - 0s H 0 0 1078.0000000 1062.29523 1.46% - 0s 0 0 1062.30857 0 40 1078.00000 1062.30857 1.46% - 0s 0 0 1062.48378 0 39 1078.00000 1062.48378 1.44% - 0s 0 0 1062.80787 0 42 1078.00000 1062.80787 1.41% - 0s 0 0 1062.88163 0 46 1078.00000 1062.88163 1.40% - 0s 0 0 1062.91228 0 38 1078.00000 1062.91228 1.40% - 0s 0 0 1062.91228 0 42 1078.00000 1062.91228 1.40% - 0s 0 0 1062.91228 0 40 1078.00000 1062.91228 1.40% - 0s 0 0 1062.91228 0 41 1078.00000 1062.91228 1.40% - 0s 0 0 1062.91228 0 44 1078.00000 1062.91228 1.40% - 0s 0 0 1062.93500 0 42 1078.00000 1062.93500 1.40% - 0s 0 0 1062.93500 0 45 1078.00000 1062.93500 1.40% - 0s 0 0 1062.93500 0 47 1078.00000 1062.93500 1.40% - 0s 0 0 1062.93609 0 52 1078.00000 1062.93609 1.40% - 0s H 0 0 1074.0000000 1062.93609 1.03% - 0s 0 2 1062.94826 0 52 1074.00000 1062.94826 1.03% - 0s * 18 12 12 1073.0000000 1063.27566 0.91% 14.3 0s Cutting planes: Gomory: 7 Zero half: 17 Explored 546 nodes (4561 simplex iterations) in 1.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 14), (10, 33), (10, 11), (11, 19), (12, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(16, 32), (16, 27), (17, 29), (17, 30), (27, 28), (28, 29)] Optimize a model with 401 rows, 528 columns and 39204 nonzeros Presolve time: 0.02s Presolved: 401 rows, 528 columns, 39204 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.34204 0 35 1549.00000 1062.34204 31.4% - 0s 0 0 1062.79914 0 43 1549.00000 1062.79914 31.4% - 0s H 0 0 1171.0000000 1062.79914 9.24% - 0s 0 0 1062.94764 0 29 1171.00000 1062.94764 9.23% - 0s H 0 0 1080.0000000 1062.94764 1.58% - 0s H 0 0 1078.0000000 1062.94764 1.40% - 0s 0 0 1062.94764 0 32 1078.00000 1062.94764 1.40% - 0s 0 0 1062.94764 0 10 1078.00000 1062.94764 1.40% - 0s 0 0 1062.94764 0 36 1078.00000 1062.94764 1.40% - 0s 0 0 1062.94764 0 31 1078.00000 1062.94764 1.40% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 0s 0 2 1063.03846 0 18 1078.00000 1063.03846 1.39% - 0s H 27 22 1076.0000000 1063.53333 1.16% 8.1 0s * 74 28 31 1073.0000000 1064.00000 0.84% 8.0 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 552 nodes (4645 simplex iterations) in 1.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 9), (6, 13), (9, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 402 rows, 528 columns and 39340 nonzeros Presolve time: 0.02s Presolved: 402 rows, 528 columns, 39340 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.29523 0 39 1084.00000 1062.29523 2.00% - 0s 0 0 1062.29523 0 12 1084.00000 1062.29523 2.00% - 0s 0 0 1062.29523 0 43 1084.00000 1062.29523 2.00% - 0s 0 0 1062.78826 0 46 1084.00000 1062.78826 1.96% - 0s 0 0 1062.79824 0 24 1084.00000 1062.79824 1.96% - 0s 0 0 1062.92428 0 43 1084.00000 1062.92428 1.94% - 0s 0 0 1062.94074 0 53 1084.00000 1062.94074 1.94% - 0s 0 0 1062.94074 0 56 1084.00000 1062.94074 1.94% - 0s 0 0 1063.06913 0 51 1084.00000 1063.06913 1.93% - 0s 0 0 1063.07605 0 57 1084.00000 1063.07605 1.93% - 0s 0 0 1063.07605 0 55 1084.00000 1063.07605 1.93% - 0s 0 0 1063.07605 0 58 1084.00000 1063.07605 1.93% - 0s 0 0 1063.10491 0 51 1084.00000 1063.10491 1.93% - 0s 0 0 1063.10491 0 58 1084.00000 1063.10491 1.93% - 0s 0 0 1063.11354 0 54 1084.00000 1063.11354 1.93% - 0s H 0 0 1078.0000000 1063.11354 1.38% - 0s 0 0 1063.11729 0 58 1078.00000 1063.11729 1.38% - 0s 0 0 1063.12192 0 57 1078.00000 1063.12192 1.38% - 0s 0 0 1063.12984 0 59 1078.00000 1063.12984 1.38% - 0s 0 0 1063.13137 0 59 1078.00000 1063.13137 1.38% - 0s 0 0 1063.13205 0 59 1078.00000 1063.13205 1.38% - 0s 0 0 1063.13205 0 57 1078.00000 1063.13205 1.38% - 0s 0 0 1063.13205 0 60 1078.00000 1063.13205 1.38% - 0s H 0 0 1075.0000000 1063.13205 1.10% - 0s 0 2 1063.13718 0 60 1075.00000 1063.13718 1.10% - 1s * 66 35 24 1073.0000000 1064.43750 0.80% 9.7 1s Cutting planes: Gomory: 7 Zero half: 24 Explored 712 nodes (5352 simplex iterations) in 1.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 8), (8, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 403 rows, 528 columns and 39445 nonzeros Presolve time: 0.02s Presolved: 403 rows, 528 columns, 39445 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.21887 0 36 1549.00000 1062.21887 31.4% - 0s 0 0 1062.38422 0 44 1549.00000 1062.38422 31.4% - 0s 0 0 1062.43119 0 26 1549.00000 1062.43119 31.4% - 0s H 0 0 1202.0000000 1062.43119 11.6% - 0s H 0 0 1080.0000000 1062.43119 1.63% - 0s H 0 0 1078.0000000 1062.43119 1.44% - 0s 0 0 1062.47089 0 47 1078.00000 1062.47089 1.44% - 0s 0 0 1062.47089 0 10 1078.00000 1062.47089 1.44% - 0s 0 0 1062.47089 0 38 1078.00000 1062.47089 1.44% - 0s 0 0 1063.00000 0 36 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 24 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 24 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 33 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 19 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 33 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 43 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 43 1078.00000 1063.00000 1.39% - 0s H 0 0 1075.0000000 1063.00000 1.12% - 0s 0 2 1063.00000 0 43 1075.00000 1063.00000 1.12% - 0s * 58 29 54 1074.0000000 1063.74109 0.96% 5.1 0s * 127 69 20 1073.0000000 1063.93394 0.84% 6.1 1s Cutting planes: Gomory: 4 Zero half: 12 Explored 809 nodes (6476 simplex iterations) in 1.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 11), (6, 13), (11, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 404 rows, 528 columns and 39536 nonzeros Presolve time: 0.02s Presolved: 404 rows, 528 columns, 39536 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.27273 0 36 1549.00000 1062.27273 31.4% - 0s 0 0 1062.38651 0 39 1549.00000 1062.38651 31.4% - 0s H 0 0 1114.0000000 1062.38651 4.63% - 0s 0 0 1062.53295 0 47 1114.00000 1062.53295 4.62% - 0s 0 0 1062.60739 0 48 1114.00000 1062.60739 4.61% - 0s 0 0 1062.61026 0 48 1114.00000 1062.61026 4.61% - 0s 0 0 1062.61350 0 57 1114.00000 1062.61350 4.61% - 0s 0 0 1062.74896 0 38 1114.00000 1062.74896 4.60% - 0s 0 0 1062.74896 0 45 1114.00000 1062.74896 4.60% - 0s 0 0 1062.76891 0 46 1114.00000 1062.76891 4.60% - 0s 0 0 1062.76891 0 50 1114.00000 1062.76891 4.60% - 0s 0 0 1062.83800 0 53 1114.00000 1062.83800 4.59% - 0s 0 0 1062.83912 0 57 1114.00000 1062.83912 4.59% - 0s 0 0 1062.83912 0 56 1114.00000 1062.83912 4.59% - 0s 0 0 1062.83912 0 58 1114.00000 1062.83912 4.59% - 0s 0 0 1062.85531 0 55 1114.00000 1062.85531 4.59% - 0s 0 0 1062.85689 0 59 1114.00000 1062.85689 4.59% - 0s 0 0 1062.85689 0 58 1114.00000 1062.85689 4.59% - 0s H 0 0 1075.0000000 1062.85689 1.13% - 0s 0 0 1062.85689 0 60 1075.00000 1062.85689 1.13% - 0s 0 0 1062.85689 0 10 1075.00000 1062.85689 1.13% - 0s 0 0 1062.85689 0 45 1075.00000 1062.85689 1.13% - 0s 0 0 1062.85689 0 51 1075.00000 1062.85689 1.13% - 0s 0 0 1062.85689 0 59 1075.00000 1062.85689 1.13% - 0s 0 0 1062.88898 0 55 1075.00000 1062.88898 1.13% - 0s 0 0 1062.88898 0 55 1075.00000 1062.88898 1.13% - 0s H 0 0 1073.0000000 1062.88898 0.94% - 0s 0 2 1062.91864 0 49 1073.00000 1062.91864 0.94% - 0s Cutting planes: Gomory: 4 Zero half: 12 Explored 471 nodes (4055 simplex iterations) in 1.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 11), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 405 rows, 528 columns and 39656 nonzeros Presolve time: 0.02s Presolved: 405 rows, 528 columns, 39656 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.34204 0 35 1549.00000 1062.34204 31.4% - 0s 0 0 1062.78695 0 43 1549.00000 1062.78695 31.4% - 0s H 0 0 1120.0000000 1062.78695 5.11% - 0s 0 0 1062.94758 0 29 1120.00000 1062.94758 5.09% - 0s 0 0 1062.94758 0 33 1120.00000 1062.94758 5.09% - 0s 0 0 1062.94758 0 33 1120.00000 1062.94758 5.09% - 0s H 0 0 1115.0000000 1062.94758 4.67% - 0s H 0 0 1086.0000000 1062.94758 2.12% - 0s 0 0 1062.96033 0 48 1086.00000 1062.96033 2.12% - 0s 0 0 1062.96033 0 10 1086.00000 1062.96033 2.12% - 0s H 0 0 1078.0000000 1062.96033 1.40% - 0s 0 0 1062.96033 0 37 1078.00000 1062.96033 1.40% - 0s H 0 0 1077.0000000 1062.96033 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 2 1063.18738 0 14 1077.00000 1063.18738 1.28% - 0s H 14 10 1073.0000000 1063.50923 0.88% 0.6 1s Cutting planes: Gomory: 8 Mod-K: 2 Explored 503 nodes (4644 simplex iterations) in 2.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 8), (8, 10), (9, 33), (9, 10), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 406 rows, 528 columns and 39776 nonzeros Presolve time: 0.02s Presolved: 406 rows, 528 columns, 39776 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.27273 0 36 1549.00000 1062.27273 31.4% - 0s 0 0 1062.38651 0 39 1549.00000 1062.38651 31.4% - 0s H 0 0 1125.0000000 1062.38651 5.57% - 0s 0 0 1062.53295 0 48 1125.00000 1062.53295 5.55% - 0s 0 0 1062.60739 0 48 1125.00000 1062.60739 5.55% - 0s 0 0 1062.61026 0 49 1125.00000 1062.61026 5.55% - 0s 0 0 1062.61350 0 58 1125.00000 1062.61350 5.55% - 0s 0 0 1062.74896 0 38 1125.00000 1062.74896 5.53% - 0s 0 0 1062.74896 0 45 1125.00000 1062.74896 5.53% - 0s 0 0 1062.75749 0 44 1125.00000 1062.75749 5.53% - 0s 0 0 1062.75749 0 47 1125.00000 1062.75749 5.53% - 0s 0 0 1062.80191 0 51 1125.00000 1062.80191 5.53% - 0s 0 0 1062.80191 0 54 1125.00000 1062.80191 5.53% - 0s 0 0 1062.80191 0 56 1125.00000 1062.80191 5.53% - 0s 0 0 1062.80191 0 57 1125.00000 1062.80191 5.53% - 0s 0 0 1062.80191 0 57 1125.00000 1062.80191 5.53% - 0s H 0 0 1080.0000000 1062.80191 1.59% - 0s H 0 0 1075.0000000 1062.80191 1.13% - 0s 0 0 1062.80191 0 12 1075.00000 1062.80191 1.13% - 0s 0 0 1062.80191 0 42 1075.00000 1062.80191 1.13% - 0s 0 0 1062.80191 0 47 1075.00000 1062.80191 1.13% - 0s 0 0 1062.80191 0 50 1075.00000 1062.80191 1.13% - 0s 0 0 1062.80525 0 49 1075.00000 1062.80525 1.13% - 0s 0 0 1062.81831 0 58 1075.00000 1062.81831 1.13% - 0s 0 0 1062.91600 0 55 1075.00000 1062.91600 1.12% - 0s 0 0 1062.91600 0 58 1075.00000 1062.91600 1.12% - 0s 0 0 1062.91765 0 58 1075.00000 1062.91765 1.12% - 0s 0 0 1062.91765 0 60 1075.00000 1062.91765 1.12% - 0s 0 0 1062.91765 0 60 1075.00000 1062.91765 1.12% - 1s 0 2 1062.92791 0 60 1075.00000 1062.92791 1.12% - 1s H 27 14 1074.0000000 1063.16667 1.01% 8.4 1s * 81 36 43 1073.0000000 1063.98611 0.84% 5.8 1s Cutting planes: Gomory: 4 Zero half: 12 Explored 844 nodes (6482 simplex iterations) in 1.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(12, 14), (14, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 33), (6, 7), (6, 13), (7, 8), (8, 10), (9, 10), (9, 11), (11, 33)] Optimize a model with 408 rows, 528 columns and 39899 nonzeros Presolve time: 0.02s Presolved: 408 rows, 528 columns, 39899 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.11188 0 39 1084.00000 1062.11188 2.02% - 0s 0 0 1062.11188 0 10 1084.00000 1062.11188 2.02% - 0s H 0 0 1078.0000000 1062.11188 1.47% - 0s 0 0 1062.39000 0 42 1078.00000 1062.39000 1.45% - 0s 0 0 1062.96032 0 15 1078.00000 1062.96032 1.40% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 2 1063.03226 0 17 1078.00000 1063.03226 1.39% - 0s H 27 16 1076.0000000 1064.62747 1.06% 7.2 0s H 81 34 1074.0000000 1065.40000 0.80% 7.0 0s * 110 39 17 1073.0000000 1065.41304 0.71% 7.5 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 643 nodes (4904 simplex iterations) in 1.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 13), (10, 33), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 409 rows, 528 columns and 40052 nonzeros Presolve time: 0.02s Presolved: 409 rows, 528 columns, 40052 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1082.0000000 1062.00000 1.85% - 0s 0 0 1062.29523 0 39 1082.00000 1062.29523 1.82% - 0s 0 0 1062.29523 0 10 1082.00000 1062.29523 1.82% - 0s H 0 0 1078.0000000 1062.29523 1.46% - 0s 0 0 1062.29523 0 39 1078.00000 1062.29523 1.46% - 0s 0 0 1062.78826 0 38 1078.00000 1062.78826 1.41% - 0s 0 0 1063.00518 0 45 1078.00000 1063.00518 1.39% - 0s 0 0 1063.01830 0 50 1078.00000 1063.01830 1.39% - 0s 0 0 1063.01830 0 53 1078.00000 1063.01830 1.39% - 0s 0 0 1063.01830 0 51 1078.00000 1063.01830 1.39% - 0s 0 0 1063.01830 0 51 1078.00000 1063.01830 1.39% - 0s 0 0 1063.01830 0 54 1078.00000 1063.01830 1.39% - 0s 0 0 1063.01830 0 54 1078.00000 1063.01830 1.39% - 0s 0 2 1063.02385 0 54 1078.00000 1063.02385 1.39% - 0s * 21 14 18 1074.0000000 1063.93827 0.94% 12.3 0s * 65 24 29 1073.0000000 1064.75000 0.77% 8.9 0s Cutting planes: Gomory: 7 Zero half: 5 Explored 553 nodes (4366 simplex iterations) in 1.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(8, 9), (8, 12), (9, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 410 rows, 528 columns and 40172 nonzeros Presolve time: 0.02s Presolved: 410 rows, 528 columns, 40172 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.27273 0 36 1549.00000 1062.27273 31.4% - 0s 0 0 1062.38651 0 39 1549.00000 1062.38651 31.4% - 0s H 0 0 1249.0000000 1062.38651 14.9% - 0s 0 0 1062.53295 0 47 1249.00000 1062.53295 14.9% - 0s H 0 0 1115.0000000 1062.53295 4.71% - 0s H 0 0 1095.0000000 1062.53295 2.97% - 0s 0 0 1062.60739 0 48 1095.00000 1062.60739 2.96% - 0s 0 0 1062.60739 0 49 1095.00000 1062.60739 2.96% - 0s 0 0 1062.65273 0 46 1095.00000 1062.65273 2.95% - 0s 0 0 1062.65273 0 50 1095.00000 1062.65273 2.95% - 0s 0 0 1062.65273 0 52 1095.00000 1062.65273 2.95% - 0s 0 0 1062.65273 0 53 1095.00000 1062.65273 2.95% - 0s 0 0 1062.65273 0 53 1095.00000 1062.65273 2.95% - 0s H 0 0 1075.0000000 1062.65273 1.15% - 0s 0 0 1062.65273 0 10 1075.00000 1062.65273 1.15% - 0s 0 0 1062.65273 0 48 1075.00000 1062.65273 1.15% - 0s 0 0 1062.65273 0 51 1075.00000 1062.65273 1.15% - 0s 0 0 1062.67183 0 54 1075.00000 1062.67183 1.15% - 0s 0 0 1062.70504 0 52 1075.00000 1062.70504 1.14% - 0s 0 0 1062.70504 0 59 1075.00000 1062.70504 1.14% - 0s 0 0 1062.70504 0 57 1075.00000 1062.70504 1.14% - 0s 0 0 1062.70504 0 60 1075.00000 1062.70504 1.14% - 0s 0 0 1062.82735 0 46 1075.00000 1062.82735 1.13% - 0s 0 0 1062.83290 0 55 1075.00000 1062.83290 1.13% - 0s 0 0 1062.84923 0 59 1075.00000 1062.84923 1.13% - 0s 0 0 1062.84923 0 60 1075.00000 1062.84923 1.13% - 0s 0 0 1063.00000 0 16 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 35 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 8 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 39 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 33 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 10 1075.00000 1063.00000 1.12% - 1s 0 0 1063.00000 0 38 1075.00000 1063.00000 1.12% - 1s 0 0 1063.00000 0 16 1075.00000 1063.00000 1.12% - 1s 0 2 1063.00000 0 16 1075.00000 1063.00000 1.12% - 1s * 44 26 41 1074.0000000 1063.09524 1.02% 6.5 1s * 137 56 16 1073.0000000 1063.57143 0.88% 7.1 1s Cutting planes: Gomory: 1 Zero half: 19 Explored 776 nodes (6490 simplex iterations) in 1.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 12), (9, 11), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 411 rows, 528 columns and 40277 nonzeros Presolve time: 0.02s Presolved: 411 rows, 528 columns, 40277 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.43385 0 35 1549.00000 1062.43385 31.4% - 0s 0 0 1062.58349 0 31 1549.00000 1062.58349 31.4% - 0s H 0 0 1128.0000000 1062.58349 5.80% - 0s H 0 0 1081.0000000 1062.58349 1.70% - 0s H 0 0 1078.0000000 1062.58349 1.43% - 0s 0 0 1062.76485 0 30 1078.00000 1062.76485 1.41% - 0s 0 0 1062.76485 0 10 1078.00000 1062.76485 1.41% - 0s 0 0 1062.76485 0 37 1078.00000 1062.76485 1.41% - 0s 0 0 1062.76485 0 35 1078.00000 1062.76485 1.41% - 0s 0 0 1062.78276 0 35 1078.00000 1062.78276 1.41% - 0s 0 0 1062.80005 0 43 1078.00000 1062.80005 1.41% - 0s 0 0 1062.81109 0 38 1078.00000 1062.81109 1.41% - 0s 0 0 1062.81109 0 41 1078.00000 1062.81109 1.41% - 0s 0 0 1062.81109 0 42 1078.00000 1062.81109 1.41% - 0s 0 0 1062.81109 0 45 1078.00000 1062.81109 1.41% - 0s 0 0 1062.81109 0 45 1078.00000 1062.81109 1.41% - 0s H 0 0 1075.0000000 1062.81109 1.13% - 0s H 0 0 1073.0000000 1062.81109 0.95% - 0s 0 2 1062.81316 0 45 1073.00000 1062.81316 0.95% - 0s Cutting planes: Gomory: 5 Zero half: 15 Explored 425 nodes (3866 simplex iterations) in 1.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 11), (7, 12), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 412 rows, 528 columns and 40382 nonzeros Presolve time: 0.02s Presolved: 412 rows, 528 columns, 40382 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.43385 0 35 1549.00000 1062.43385 31.4% - 0s 0 0 1062.58349 0 31 1549.00000 1062.58349 31.4% - 0s H 0 0 1132.0000000 1062.58349 6.13% - 0s H 0 0 1081.0000000 1062.58349 1.70% - 0s H 0 0 1078.0000000 1062.58349 1.43% - 0s 0 0 1062.76485 0 32 1078.00000 1062.76485 1.41% - 0s 0 0 1062.76485 0 10 1078.00000 1062.76485 1.41% - 0s 0 0 1062.76485 0 35 1078.00000 1062.76485 1.41% - 0s 0 0 1062.76485 0 31 1078.00000 1062.76485 1.41% - 0s 0 0 1062.82681 0 45 1078.00000 1062.82681 1.41% - 0s 0 0 1062.85317 0 43 1078.00000 1062.85317 1.41% - 0s 0 0 1062.87000 0 45 1078.00000 1062.87000 1.40% - 0s 0 0 1062.87000 0 39 1078.00000 1062.87000 1.40% - 0s 0 0 1062.87000 0 43 1078.00000 1062.87000 1.40% - 0s 0 0 1062.87000 0 42 1078.00000 1062.87000 1.40% - 0s 0 0 1062.87000 0 46 1078.00000 1062.87000 1.40% - 0s 0 0 1062.89622 0 53 1078.00000 1062.89622 1.40% - 0s 0 0 1062.89703 0 56 1078.00000 1062.89703 1.40% - 0s 0 0 1062.97554 0 40 1078.00000 1062.97554 1.39% - 0s 0 0 1062.97554 0 44 1078.00000 1062.97554 1.39% - 0s 0 0 1062.97554 0 43 1078.00000 1062.97554 1.39% - 0s 0 0 1062.97554 0 47 1078.00000 1062.97554 1.39% - 0s 0 0 1063.01327 0 47 1078.00000 1063.01327 1.39% - 0s 0 0 1063.02060 0 56 1078.00000 1063.02060 1.39% - 0s 0 0 1063.02060 0 56 1078.00000 1063.02060 1.39% - 0s 0 0 1063.02060 0 57 1078.00000 1063.02060 1.39% - 0s 0 0 1063.04181 0 56 1078.00000 1063.04181 1.39% - 0s 0 0 1063.04181 0 58 1078.00000 1063.04181 1.39% - 0s 0 0 1063.04181 0 58 1078.00000 1063.04181 1.39% - 0s 0 0 1063.04181 0 60 1078.00000 1063.04181 1.39% - 0s 0 0 1063.04181 0 60 1078.00000 1063.04181 1.39% - 0s H 0 0 1075.0000000 1063.04181 1.11% - 0s 0 2 1063.06394 0 60 1075.00000 1063.06394 1.11% - 1s * 74 39 33 1074.0000000 1064.88136 0.85% 7.6 1s * 156 76 28 1073.0000000 1065.98077 0.65% 8.1 1s Cutting planes: Gomory: 5 Zero half: 23 Explored 696 nodes (5928 simplex iterations) in 1.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 12), (10, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 413 rows, 528 columns and 40502 nonzeros Presolve time: 0.02s Presolved: 413 rows, 528 columns, 40502 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.36232 0 43 1076.00000 1062.36232 1.27% - 0s 0 0 1062.36232 0 10 1076.00000 1062.36232 1.27% - 0s 0 0 1062.36232 0 43 1076.00000 1062.36232 1.27% - 0s H 0 0 1075.0000000 1062.36232 1.18% - 0s 0 0 1062.73913 0 31 1075.00000 1062.73913 1.14% - 0s 0 0 1063.00000 0 8 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 10 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s * 41 23 8 1073.0000000 1063.40000 0.89% 8.9 0s Cutting planes: Gomory: 4 Zero half: 7 Explored 583 nodes (4797 simplex iterations) in 1.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (12, 13), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 414 rows, 528 columns and 40580 nonzeros Presolve time: 0.02s Presolved: 414 rows, 528 columns, 40580 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.33333 0 37 1079.00000 1062.33333 1.54% - 0s 0 0 1062.33333 0 10 1079.00000 1062.33333 1.54% - 0s 0 0 1062.33333 0 38 1079.00000 1062.33333 1.54% - 0s H 0 0 1076.0000000 1062.33333 1.27% - 0s 0 0 1062.71649 0 38 1076.00000 1062.71649 1.23% - 0s 0 0 1062.96429 0 19 1076.00000 1062.96429 1.21% - 0s 0 0 1062.96429 0 20 1076.00000 1062.96429 1.21% - 0s 0 0 1062.96853 0 43 1076.00000 1062.96853 1.21% - 0s 0 0 1062.96853 0 44 1076.00000 1062.96853 1.21% - 0s 0 0 1062.96853 0 47 1076.00000 1062.96853 1.21% - 0s 0 0 1062.97721 0 43 1076.00000 1062.97721 1.21% - 0s 0 0 1062.97721 0 46 1076.00000 1062.97721 1.21% - 0s 0 0 1062.99841 0 35 1076.00000 1062.99841 1.21% - 0s 0 0 1062.99841 0 39 1076.00000 1062.99841 1.21% - 0s 0 0 1063.02003 0 49 1076.00000 1063.02003 1.21% - 0s 0 0 1063.02400 0 54 1076.00000 1063.02400 1.21% - 0s 0 0 1063.02400 0 55 1076.00000 1063.02400 1.21% - 0s 0 0 1063.03216 0 54 1076.00000 1063.03216 1.21% - 0s 0 0 1063.03216 0 54 1076.00000 1063.03216 1.21% - 0s 0 0 1063.03216 0 57 1076.00000 1063.03216 1.21% - 0s H 0 0 1073.0000000 1063.03216 0.93% - 0s 0 0 1063.05764 0 44 1073.00000 1063.05764 0.93% - 0s 0 1 1063.05820 0 44 1073.00000 1063.05820 0.93% - 0s Cutting planes: Gomory: 9 MIR: 1 Zero half: 9 Explored 376 nodes (3986 simplex iterations) in 2.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (12, 13), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 415 rows, 528 columns and 40646 nonzeros Presolve time: 0.02s Presolved: 415 rows, 528 columns, 40646 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start H 0 0 1074.0000000 1062.00000 1.12% - 0s 0 0 1062.45466 0 47 1074.00000 1062.45466 1.07% - 0s 0 0 1062.45466 0 12 1074.00000 1062.45466 1.07% - 0s 0 0 1062.45466 0 47 1074.00000 1062.45466 1.07% - 0s 0 0 1062.94139 0 24 1074.00000 1062.94139 1.03% - 0s 0 0 1062.98247 0 26 1074.00000 1062.98247 1.03% - 0s 0 0 1062.98544 0 42 1074.00000 1062.98544 1.03% - 0s 0 0 1062.98620 0 44 1074.00000 1062.98620 1.03% - 0s 0 0 1062.98620 0 48 1074.00000 1062.98620 1.03% - 0s 0 0 1063.00381 0 38 1074.00000 1063.00381 1.02% - 0s 0 0 1063.02400 0 47 1074.00000 1063.02400 1.02% - 0s H 0 0 1073.0000000 1063.02400 0.93% - 0s 0 0 1063.02400 0 46 1073.00000 1063.02400 0.93% - 0s 0 0 1063.02400 0 49 1073.00000 1063.02400 0.93% - 0s 0 0 1063.03492 0 37 1073.00000 1063.03492 0.93% - 0s 0 0 1063.03492 0 44 1073.00000 1063.03492 0.93% - 0s 0 0 1063.03492 0 47 1073.00000 1063.03492 0.93% - 0s 0 0 1063.04382 0 56 1073.00000 1063.04382 0.93% - 0s 0 0 1063.07114 0 50 1073.00000 1063.07114 0.93% - 0s 0 0 1063.07530 0 56 1073.00000 1063.07530 0.92% - 0s 0 0 1063.07991 0 58 1073.00000 1063.07991 0.92% - 0s 0 0 1063.08194 0 57 1073.00000 1063.08194 0.92% - 0s 0 0 1063.08194 0 59 1073.00000 1063.08194 0.92% - 0s 0 0 1063.09447 0 55 1073.00000 1063.09447 0.92% - 0s 0 0 1063.10059 0 47 1073.00000 1063.10059 0.92% - 0s 0 0 1063.10059 0 53 1073.00000 1063.10059 0.92% - 0s 0 0 1063.10059 0 44 1073.00000 1063.10059 0.92% - 0s 0 0 1063.10059 0 54 1073.00000 1063.10059 0.92% - 0s 0 0 1063.10059 0 54 1073.00000 1063.10059 0.92% - 0s 0 2 1063.13703 0 54 1073.00000 1063.13703 0.92% - 1s Cutting planes: Gomory: 6 Zero half: 13 Explored 524 nodes (5136 simplex iterations) in 1.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(12, 33), (12, 13), (15, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 416 rows, 528 columns and 40712 nonzeros Presolve time: 0.02s Presolved: 416 rows, 528 columns, 40712 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Found heuristic solution: objective 1549.0000000 Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 1549.00000 1062.00000 31.4% - 0s Another try with MIP start 0 0 1062.00000 0 12 1549.00000 1062.00000 31.4% - 0s 0 0 1062.00000 0 16 1549.00000 1062.00000 31.4% - 0s H 0 0 1222.0000000 1062.00000 13.1% - 0s H 0 0 1082.0000000 1062.00000 1.85% - 0s 0 0 1062.00000 0 18 1082.00000 1062.00000 1.85% - 0s 0 0 1062.00000 0 10 1082.00000 1062.00000 1.85% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.27027 0 37 1078.00000 1062.27027 1.46% - 0s 0 0 1062.79778 0 39 1078.00000 1062.79778 1.41% - 0s 0 0 1063.00000 0 42 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 44 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 20 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 22 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 22 1078.00000 1063.00000 1.39% - 0s H 0 0 1073.0000000 1063.00000 0.93% - 0s 0 2 1063.00000 0 22 1073.00000 1063.00000 0.93% - 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 647 nodes (5600 simplex iterations) in 1.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 33), (10, 11), (11, 14), (12, 13), (12, 19), (13, 33), (14, 16), (15, 16), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 417 rows, 528 columns and 40965 nonzeros Presolve time: 0.02s Presolved: 417 rows, 528 columns, 40965 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.46429 0 37 - 1062.46429 - - 0s 0 0 1062.60345 0 36 - 1062.60345 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 28 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00110 0 54 - 1063.00110 - - 0s 0 0 1063.00166 0 54 - 1063.00166 - - 0s 0 0 1063.00166 0 54 - 1063.00166 - - 0s H 0 0 1075.0000000 1063.00166 1.12% - 0s H 0 0 1073.0000000 1063.00166 0.93% - 0s 0 0 1063.00166 0 10 1073.00000 1063.00166 0.93% - 0s 0 0 1063.00166 0 17 1073.00000 1063.00166 0.93% - 0s 0 0 1063.07177 0 43 1073.00000 1063.07177 0.93% - 0s 0 0 1063.07177 0 46 1073.00000 1063.07177 0.93% - 0s 0 0 1063.07177 0 47 1073.00000 1063.07177 0.93% - 0s 0 0 1063.07177 0 47 1073.00000 1063.07177 0.93% - 0s 0 0 1063.07177 0 50 1073.00000 1063.07177 0.93% - 0s 0 0 1063.07895 0 37 1073.00000 1063.07895 0.92% - 0s 0 0 1063.07895 0 37 1073.00000 1063.07895 0.92% - 0s 0 2 1063.09804 0 37 1073.00000 1063.09804 0.92% - 1s Cutting planes: Gomory: 4 Zero half: 4 Explored 323 nodes (2945 simplex iterations) in 1.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(9, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 418 rows, 528 columns and 41043 nonzeros Presolve time: 0.02s Presolved: 418 rows, 528 columns, 41043 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.27027 0 36 - 1062.27027 - - 0s 0 0 1062.81127 0 39 - 1062.81127 - - 0s 0 0 1062.85926 0 39 - 1062.85926 - - 0s 0 0 1063.00000 0 33 - 1063.00000 - - 0s 0 0 1063.00000 0 37 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1142.0000000 1063.00000 6.92% - 0s H 0 0 1094.0000000 1063.00000 2.83% - 0s 0 0 1063.00000 0 35 1094.00000 1063.00000 2.83% - 0s 0 0 1063.00000 0 42 1094.00000 1063.00000 2.83% - 0s 0 0 1063.00000 0 14 1094.00000 1063.00000 2.83% - 0s H 0 0 1086.0000000 1063.00000 2.12% - 0s H 0 0 1075.0000000 1063.00000 1.12% - 0s 0 0 1063.00000 0 10 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 32 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 41 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 8 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 23 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 29 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 29 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 27 1075.00000 1063.00000 1.12% - 1s * 87 39 17 1073.0000000 1063.61404 0.87% 6.9 1s Cutting planes: Gomory: 3 Zero half: 13 Explored 737 nodes (6763 simplex iterations) in 1.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(11, 13), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 12), (6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (12, 33)] Optimize a model with 420 rows, 528 columns and 41145 nonzeros Presolve time: 0.02s Presolved: 420 rows, 528 columns, 41145 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1073.0000000 1062.00000 1.03% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.50000 0 10 1073.00000 1062.50000 0.98% - 0s 0 0 1062.86718 0 38 1073.00000 1062.86718 0.94% - 0s 0 0 1063.16329 0 37 1073.00000 1063.16329 0.92% - 0s 0 0 1063.17915 0 40 1073.00000 1063.17915 0.92% - 0s 0 0 1063.22152 0 21 1073.00000 1063.22152 0.91% - 0s 0 0 1063.22152 0 25 1073.00000 1063.22152 0.91% - 0s 0 0 1063.22152 0 23 1073.00000 1063.22152 0.91% - 0s 0 0 1063.22152 0 27 1073.00000 1063.22152 0.91% - 0s 0 0 1063.24516 0 51 1073.00000 1063.24516 0.91% - 0s 0 0 1063.24516 0 48 1073.00000 1063.24516 0.91% - 0s 0 0 1063.24516 0 52 1073.00000 1063.24516 0.91% - 0s 0 0 1063.29936 0 47 1073.00000 1063.29936 0.90% - 0s 0 0 1063.31774 0 42 1073.00000 1063.31774 0.90% - 0s 0 0 1063.32976 0 53 1073.00000 1063.32976 0.90% - 0s 0 0 1063.32976 0 51 1073.00000 1063.32976 0.90% - 0s 0 0 1063.32976 0 54 1073.00000 1063.32976 0.90% - 0s 0 0 1063.32976 0 49 1073.00000 1063.32976 0.90% - 0s 0 0 1063.32976 0 52 1073.00000 1063.32976 0.90% - 0s 0 0 1063.32976 0 50 1073.00000 1063.32976 0.90% - 0s 0 0 1063.32976 0 52 1073.00000 1063.32976 0.90% - 0s 0 0 1063.32976 0 51 1073.00000 1063.32976 0.90% - 0s 0 2 1063.33808 0 51 1073.00000 1063.33808 0.90% - 0s Cutting planes: Gomory: 6 Zero half: 20 Explored 596 nodes (4928 simplex iterations) in 1.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 12), (12, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 421 rows, 528 columns and 41223 nonzeros Presolve time: 0.02s Presolved: 421 rows, 528 columns, 41223 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.36364 0 34 - 1062.36364 - - 0s 0 0 1062.91633 0 36 - 1062.91633 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 23 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 23 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s H 0 0 1261.0000000 1063.00000 15.7% - 0s H 0 0 1103.0000000 1063.00000 3.63% - 0s 0 0 1063.00000 0 16 1103.00000 1063.00000 3.63% - 0s 0 0 1063.00000 0 16 1103.00000 1063.00000 3.63% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s H 0 0 1075.0000000 1063.00000 1.12% - 0s 0 0 1063.00000 0 17 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 21 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 10 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 16 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s H 0 0 1074.0000000 1063.00000 1.02% - 0s 0 0 1063.00000 0 14 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 18 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 14 1074.00000 1063.00000 1.02% - 0s 0 2 1063.00000 0 14 1074.00000 1063.00000 1.02% - 0s * 48 15 10 1073.0000000 1064.12500 0.83% 9.2 1s Cutting planes: Gomory: 3 Zero half: 4 Explored 389 nodes (3608 simplex iterations) in 1.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 11), (11, 19), (15, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 422 rows, 528 columns and 41289 nonzeros Presolve time: 0.02s Presolved: 422 rows, 528 columns, 41289 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.27027 0 36 1084.00000 1062.27027 2.00% - 0s 0 0 1062.27027 0 10 1084.00000 1062.27027 2.00% - 0s H 0 0 1078.0000000 1062.27027 1.46% - 0s 0 0 1062.27027 0 36 1078.00000 1062.27027 1.46% - 0s 0 0 1062.79778 0 41 1078.00000 1062.79778 1.41% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 40 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 19 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 26 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 30 1078.00000 1063.00000 1.39% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 37 1077.00000 1063.00000 1.30% - 0s 0 2 1063.22222 0 36 1077.00000 1063.22222 1.28% - 0s H 8 6 1076.0000000 1063.22222 1.19% 5.6 0s H 28 18 1073.0000000 1063.50111 0.89% 1.6 2s Cutting planes: Gomory: 8 Zero half: 14 Mod-K: 4 Explored 787 nodes (6789 simplex iterations) in 3.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 33), (6, 11), (11, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 423 rows, 528 columns and 41425 nonzeros Presolve time: 0.02s Presolved: 423 rows, 528 columns, 41425 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 125 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1074.0000000 1062.00000 1.12% - 0s 0 0 1062.00000 0 14 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 12 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 16 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 10 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 37 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 10 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 14 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 14 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 17 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 18 1074.00000 1062.00000 1.12% - 0s 0 0 1062.00000 0 18 1074.00000 1062.00000 1.12% - 0s 0 2 1062.00000 0 13 1074.00000 1062.00000 1.12% - 0s * 56 25 24 1073.0000000 1063.91304 0.85% 7.9 0s Cutting planes: Gomory: 2 Zero half: 8 Explored 560 nodes (4992 simplex iterations) in 1.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 10), (10, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 424 rows, 528 columns and 41545 nonzeros Presolve time: 0.02s Presolved: 424 rows, 528 columns, 41545 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 110 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.25000 0 45 - 1062.25000 - - 0s 0 0 1062.93333 0 33 - 1062.93333 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s H 0 0 1372.0000000 1063.00000 22.5% - 0s H 0 0 1118.0000000 1063.00000 4.92% - 0s 0 0 1063.00000 0 21 1118.00000 1063.00000 4.92% - 0s 0 0 1063.00000 0 16 1118.00000 1063.00000 4.92% - 0s H 0 0 1103.0000000 1063.00000 3.63% - 0s H 0 0 1088.0000000 1063.00000 2.30% - 0s 0 0 1063.00000 0 17 1088.00000 1063.00000 2.30% - 0s 0 0 1063.00000 0 17 1088.00000 1063.00000 2.30% - 0s 0 0 1063.00000 0 10 1088.00000 1063.00000 2.30% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 33 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 2 1063.31454 0 10 1078.00000 1063.31454 1.36% - 0s * 26 17 20 1074.0000000 1065.07143 0.83% 25.7 1s H 41 10 1073.0000000 1065.14103 0.73% 20.1 1s Cutting planes: Gomory: 7 Zero half: 2 Explored 446 nodes (4391 simplex iterations) in 2.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 10), (10, 33), (12, 33), (12, 14), (15, 32)] Optimize a model with 426 rows, 528 columns and 41678 nonzeros Presolve time: 0.02s Presolved: 426 rows, 528 columns, 41678 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.38211 0 39 1084.00000 1062.38211 1.99% - 0s 0 0 1062.38211 0 10 1084.00000 1062.38211 1.99% - 0s H 0 0 1078.0000000 1062.38211 1.45% - 0s 0 0 1062.38211 0 39 1078.00000 1062.38211 1.45% - 0s 0 0 1062.96186 0 20 1078.00000 1062.96186 1.40% - 0s 0 0 1062.96186 0 22 1078.00000 1062.96186 1.40% - 0s 0 0 1062.96186 0 20 1078.00000 1062.96186 1.40% - 0s 0 0 1062.96186 0 23 1078.00000 1062.96186 1.40% - 0s 0 0 1062.96186 0 26 1078.00000 1062.96186 1.40% - 0s 0 0 1062.96186 0 27 1078.00000 1062.96186 1.40% - 0s 0 0 1062.96186 0 27 1078.00000 1062.96186 1.40% - 0s 0 2 1063.00000 0 27 1078.00000 1063.00000 1.39% - 0s H 27 18 1075.0000000 1063.66000 1.05% 9.7 0s * 61 33 19 1074.0000000 1063.91220 0.94% 8.6 0s H 63 33 1073.0000000 1064.25000 0.82% 8.5 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 427 nodes (3883 simplex iterations) in 1.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 19), (12, 33), (12, 13), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 427 rows, 528 columns and 41769 nonzeros Presolve time: 0.02s Presolved: 427 rows, 528 columns, 41769 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30671 0 36 - 1062.30671 - - 0s 0 0 1062.30671 0 40 - 1062.30671 - - 0s 0 0 1062.78889 0 19 - 1062.78889 - - 0s 0 0 1062.89827 0 22 - 1062.89827 - - 0s 0 0 1062.89827 0 20 - 1062.89827 - - 0s 0 0 1062.89827 0 23 - 1062.89827 - - 0s 0 0 1062.91011 0 26 - 1062.91011 - - 0s 0 0 1062.91011 0 27 - 1062.91011 - - 0s 0 0 1062.93396 0 52 - 1062.93396 - - 0s 0 0 1063.00147 0 47 - 1063.00147 - - 0s 0 0 1063.00147 0 50 - 1063.00147 - - 0s 0 0 1063.00973 0 51 - 1063.00973 - - 0s H 0 0 1233.0000000 1063.00973 13.8% - 0s H 0 0 1087.0000000 1063.00973 2.21% - 0s 0 0 1063.00973 0 54 1087.00000 1063.00973 2.21% - 0s 0 0 1063.00973 0 12 1087.00000 1063.00973 2.21% - 0s 0 0 1063.00973 0 39 1087.00000 1063.00973 2.21% - 0s H 0 0 1084.0000000 1063.00973 1.94% - 0s H 0 0 1078.0000000 1063.00973 1.39% - 0s 0 0 1063.00973 0 53 1078.00000 1063.00973 1.39% - 0s 0 0 1063.00973 0 51 1078.00000 1063.00973 1.39% - 0s 0 2 1063.38815 0 51 1078.00000 1063.38815 1.36% - 0s H 1 2 1076.0000000 1063.38815 1.17% 0.0 0s * 40 16 23 1074.0000000 1064.59933 0.88% 20.7 1s * 295 55 41 1073.0000000 1067.61538 0.50% 10.0 2s Cutting planes: Gomory: 6 Zero half: 1 Explored 695 nodes (5785 simplex iterations) in 2.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 14), (7, 10), (7, 12), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 428 rows, 528 columns and 41940 nonzeros Presolve time: 0.02s Presolved: 428 rows, 528 columns, 41940 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.51220 0 35 - 1062.51220 - - 0s 0 0 1062.74527 0 39 - 1062.74527 - - 0s 0 0 1062.86357 0 21 - 1062.86357 - - 0s 0 0 1062.87965 0 22 - 1062.87965 - - 0s 0 0 1062.87965 0 26 - 1062.87965 - - 0s 0 0 1062.87965 0 23 - 1062.87965 - - 0s 0 0 1062.88154 0 43 - 1062.88154 - - 0s 0 0 1062.88154 0 43 - 1062.88154 - - 0s 0 0 1062.88154 0 46 - 1062.88154 - - 0s H 0 0 1128.0000000 1062.88154 5.77% - 0s H 0 0 1088.0000000 1062.88154 2.31% - 0s H 0 0 1078.0000000 1062.88154 1.40% - 0s 0 0 1062.88154 0 50 1078.00000 1062.88154 1.40% - 0s 0 0 1062.88154 0 10 1078.00000 1062.88154 1.40% - 0s 0 0 1062.88154 0 37 1078.00000 1062.88154 1.40% - 0s 0 0 1062.88154 0 17 1078.00000 1062.88154 1.40% - 0s 0 0 1063.00172 0 44 1078.00000 1063.00172 1.39% - 0s 0 0 1063.05067 0 43 1078.00000 1063.05067 1.39% - 0s 0 0 1063.05067 0 47 1078.00000 1063.05067 1.39% - 0s 0 0 1063.05067 0 43 1078.00000 1063.05067 1.39% - 0s 0 0 1063.05067 0 46 1078.00000 1063.05067 1.39% - 0s 0 0 1063.05067 0 47 1078.00000 1063.05067 1.39% - 0s 0 0 1063.05067 0 50 1078.00000 1063.05067 1.39% - 0s 0 2 1063.05979 0 50 1078.00000 1063.05979 1.39% - 0s H 27 18 1075.0000000 1064.47281 0.98% 8.3 1s * 97 38 11 1074.0000000 1065.27273 0.81% 6.8 1s H 108 40 1073.0000000 1065.30769 0.72% 7.3 1s Cutting planes: Gomory: 6 Zero half: 4 Explored 681 nodes (5490 simplex iterations) in 1.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 12), (8, 10), (9, 33), (9, 10), (12, 33)] Optimize a model with 430 rows, 528 columns and 42052 nonzeros Presolve time: 0.02s Presolved: 430 rows, 528 columns, 42052 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.53333 0 30 - 1062.53333 - - 0s 0 0 1062.92935 0 48 - 1062.92935 - - 0s 0 0 1062.95364 0 50 - 1062.95364 - - 0s 0 0 1062.95745 0 54 - 1062.95745 - - 0s 0 0 1062.98319 0 55 - 1062.98319 - - 0s 0 0 1063.01067 0 48 - 1063.01067 - - 0s 0 0 1063.01873 0 53 - 1063.01873 - - 0s 0 0 1063.01873 0 55 - 1063.01873 - - 0s 0 0 1063.01873 0 50 - 1063.01873 - - 0s 0 0 1063.01873 0 56 - 1063.01873 - - 0s 0 0 1063.01873 0 53 - 1063.01873 - - 0s H 0 0 1121.0000000 1063.01873 5.17% - 0s H 0 0 1093.0000000 1063.01873 2.74% - 0s H 0 0 1078.0000000 1063.01873 1.39% - 0s 0 0 1063.01873 0 54 1078.00000 1063.01873 1.39% - 0s 0 0 1063.01873 0 10 1078.00000 1063.01873 1.39% - 0s 0 0 1063.01873 0 41 1078.00000 1063.01873 1.39% - 0s 0 0 1063.01873 0 44 1078.00000 1063.01873 1.39% - 0s 0 0 1063.01873 0 54 1078.00000 1063.01873 1.39% - 0s 0 0 1063.01873 0 54 1078.00000 1063.01873 1.39% - 0s 0 0 1063.01873 0 57 1078.00000 1063.01873 1.39% - 0s 0 0 1063.05922 0 49 1078.00000 1063.05922 1.39% - 0s 0 0 1063.05922 0 52 1078.00000 1063.05922 1.39% - 0s 0 0 1063.05922 0 55 1078.00000 1063.05922 1.39% - 0s 0 0 1063.05922 0 53 1078.00000 1063.05922 1.39% - 0s 0 0 1063.05922 0 52 1078.00000 1063.05922 1.39% - 0s 0 0 1063.05922 0 55 1078.00000 1063.05922 1.39% - 0s 0 0 1063.05922 0 55 1078.00000 1063.05922 1.39% - 0s H 0 0 1076.0000000 1063.05922 1.20% - 1s 0 2 1063.14873 0 55 1076.00000 1063.14873 1.19% - 1s * 49 22 47 1073.0000000 1063.62363 0.87% 6.0 1s Cutting planes: Gomory: 4 Zero half: 6 Explored 412 nodes (3744 simplex iterations) in 1.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 9), (6, 11), (8, 10), (9, 10), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 431 rows, 528 columns and 42172 nonzeros Presolve time: 0.02s Presolved: 431 rows, 528 columns, 42172 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.43385 0 35 - 1062.43385 - - 0s 0 0 1062.58349 0 30 - 1062.58349 - - 0s 0 0 1062.73695 0 35 - 1062.73695 - - 0s 0 0 1062.77419 0 37 - 1062.77419 - - 0s 0 0 1062.79823 0 34 - 1062.79823 - - 0s 0 0 1062.79823 0 38 - 1062.79823 - - 0s 0 0 1062.79823 0 40 - 1062.79823 - - 0s 0 0 1062.79823 0 42 - 1062.79823 - - 0s H 0 0 1102.0000000 1062.79823 3.56% - 0s H 0 0 1074.0000000 1062.79823 1.04% - 0s 0 0 1062.79823 0 10 1074.00000 1062.79823 1.04% - 0s 0 0 1062.79823 0 37 1074.00000 1062.79823 1.04% - 0s 0 0 1062.84174 0 31 1074.00000 1062.84174 1.04% - 0s 0 0 1062.85203 0 34 1074.00000 1062.85203 1.04% - 0s 0 0 1062.85203 0 38 1074.00000 1062.85203 1.04% - 0s 0 0 1062.85203 0 36 1074.00000 1062.85203 1.04% - 0s 0 0 1062.85203 0 30 1074.00000 1062.85203 1.04% - 0s 0 0 1062.85203 0 38 1074.00000 1062.85203 1.04% - 0s 0 0 1062.85203 0 40 1074.00000 1062.85203 1.04% - 0s 0 0 1062.85203 0 37 1074.00000 1062.85203 1.04% - 0s 0 0 1062.85203 0 37 1074.00000 1062.85203 1.04% - 0s 0 0 1062.85203 0 37 1074.00000 1062.85203 1.04% - 0s 0 2 1062.97279 0 37 1074.00000 1062.97279 1.03% - 1s * 89 39 17 1073.0000000 1064.05080 0.83% 7.0 1s Cutting planes: Gomory: 3 Zero half: 1 Explored 1007 nodes (8815 simplex iterations) in 2.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(8, 33), (8, 12), (12, 13), (17, 29), (17, 30), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 432 rows, 528 columns and 42308 nonzeros Presolve time: 0.02s Presolved: 432 rows, 528 columns, 42308 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.41284 0 46 - 1062.41284 - - 0s 0 0 1062.41284 0 50 - 1062.41284 - - 0s 0 0 1062.72107 0 47 - 1062.72107 - - 0s 0 0 1062.82606 0 45 - 1062.82606 - - 0s 0 0 1062.96427 0 31 - 1062.96427 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 19 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s H 0 0 1075.0000000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 36 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 37 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 17 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 17 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 19 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 19 1075.00000 1063.00000 1.12% - 0s 0 2 1063.02607 0 19 1075.00000 1063.02607 1.11% - 0s H 27 19 1074.0000000 1063.71172 0.96% 11.1 0s * 55 28 17 1073.0000000 1063.91304 0.85% 8.8 0s Cutting planes: Gomory: 4 Zero half: 4 Explored 709 nodes (5396 simplex iterations) in 1.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (8, 11), (8, 12), (11, 19), (12, 14), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 433 rows, 528 columns and 42479 nonzeros Presolve time: 0.02s Presolved: 433 rows, 528 columns, 42479 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.38162 0 43 - 1062.38162 - - 0s 0 0 1062.53409 0 27 - 1062.53409 - - 0s 0 0 1062.67997 0 37 - 1062.67997 - - 0s 0 0 1062.82074 0 43 - 1062.82074 - - 0s 0 0 1062.82074 0 47 - 1062.82074 - - 0s 0 0 1062.83108 0 46 - 1062.83108 - - 0s 0 0 1062.84286 0 42 - 1062.84286 - - 0s 0 0 1062.84286 0 48 - 1062.84286 - - 0s 0 0 1062.84286 0 42 - 1062.84286 - - 0s 0 0 1062.84286 0 45 - 1062.84286 - - 0s H 0 0 1195.0000000 1062.84286 11.1% - 0s H 0 0 1084.0000000 1062.84286 1.95% - 0s 0 0 1062.84286 0 45 1084.00000 1062.84286 1.95% - 0s 0 0 1062.84286 0 10 1084.00000 1062.84286 1.95% - 0s H 0 0 1078.0000000 1062.84286 1.41% - 0s 0 0 1062.84286 0 36 1078.00000 1062.84286 1.41% - 0s 0 0 1062.84286 0 39 1078.00000 1062.84286 1.41% - 0s 0 0 1062.84286 0 43 1078.00000 1062.84286 1.41% - 0s 0 0 1062.84286 0 45 1078.00000 1062.84286 1.41% - 0s 0 0 1062.84286 0 44 1078.00000 1062.84286 1.41% - 0s 0 0 1062.84286 0 48 1078.00000 1062.84286 1.41% - 0s 0 0 1062.86074 0 36 1078.00000 1062.86074 1.40% - 0s 0 0 1062.86074 0 40 1078.00000 1062.86074 1.40% - 0s 0 0 1062.86074 0 42 1078.00000 1062.86074 1.40% - 0s 0 0 1062.86074 0 46 1078.00000 1062.86074 1.40% - 0s 0 0 1062.86074 0 46 1078.00000 1062.86074 1.40% - 0s H 0 0 1075.0000000 1062.86074 1.13% - 0s 0 2 1062.88174 0 46 1075.00000 1062.88174 1.13% - 0s H 27 15 1074.0000000 1063.78869 0.95% 10.1 1s * 144 58 13 1073.0000000 1066.00000 0.65% 8.6 1s Cutting planes: Gomory: 4 Zero half: 6 Explored 588 nodes (5211 simplex iterations) in 1.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(14, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 434 rows, 528 columns and 42545 nonzeros Presolve time: 0.02s Presolved: 434 rows, 528 columns, 42545 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.50000 0 34 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s H 0 0 1078.0000000 1062.50000 1.44% - 0s 0 0 1062.51667 0 40 1078.00000 1062.51667 1.44% - 0s 0 0 1062.86409 0 45 1078.00000 1062.86409 1.40% - 0s 0 2 1062.99030 0 45 1078.00000 1062.99030 1.39% - 0s * 36 24 20 1077.0000000 1064.30099 1.18% 22.3 1s * 50 22 28 1075.0000000 1064.30099 1.00% 20.4 1s H 95 31 1074.0000000 1064.75000 0.86% 16.7 1s * 263 50 24 1073.0000000 1066.76190 0.58% 11.4 2s Cutting planes: Gomory: 11 Zero half: 6 Mod-K: 1 Explored 526 nodes (5194 simplex iterations) in 2.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 14), (7, 9), (7, 12), (9, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 435 rows, 528 columns and 42716 nonzeros Presolve time: 0.02s Presolved: 435 rows, 528 columns, 42716 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 34 - 1062.50000 - - 0s 0 0 1062.95035 0 43 - 1062.95035 - - 0s 0 0 1062.95035 0 49 - 1062.95035 - - 0s 0 0 1062.95035 0 47 - 1062.95035 - - 0s 0 0 1062.95035 0 50 - 1062.95035 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s H 0 0 1258.0000000 1063.00000 15.5% - 0s H 0 0 1100.0000000 1063.00000 3.36% - 0s 0 0 1063.00000 0 21 1100.00000 1063.00000 3.36% - 0s 0 0 1063.00000 0 14 1100.00000 1063.00000 3.36% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 41 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 24 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00746 0 21 1077.00000 1063.00746 1.30% - 1s * 28 20 24 1076.0000000 1063.80412 1.13% 11.0 1s H 83 38 1073.0000000 1064.33333 0.81% 8.7 1s Cutting planes: Gomory: 4 Zero half: 6 Explored 709 nodes (6065 simplex iterations) in 1.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 436 rows, 528 columns and 42807 nonzeros Presolve time: 0.02s Presolved: 436 rows, 528 columns, 42807 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.62630 0 48 - 1062.62630 - - 0s 0 0 1063.00000 0 40 - 1063.00000 - - 0s 0 0 1063.00000 0 49 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 33 - 1063.00000 - - 0s H 0 0 1151.0000000 1063.00000 7.65% - 0s H 0 0 1085.0000000 1063.00000 2.03% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 52 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 40 1079.00000 1063.00000 1.48% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 46 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 43 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 40 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 41 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 2 1063.00000 0 16 1078.00000 1063.00000 1.39% - 1s H 27 19 1074.0000000 1063.75000 0.95% 7.9 1s * 112 41 12 1073.0000000 1064.34783 0.81% 6.1 1s Cutting planes: Gomory: 1 Zero half: 8 Explored 896 nodes (7071 simplex iterations) in 1.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 12), (7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 437 rows, 528 columns and 42960 nonzeros Presolve time: 0.02s Presolved: 437 rows, 528 columns, 42960 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.47280 0 42 - 1062.47280 - - 0s 0 0 1062.77403 0 39 - 1062.77403 - - 0s 0 0 1062.79964 0 43 - 1062.79964 - - 0s 0 0 1062.80828 0 44 - 1062.80828 - - 0s 0 0 1062.85639 0 46 - 1062.85639 - - 0s 0 0 1062.85639 0 44 - 1062.85639 - - 0s 0 0 1062.85639 0 48 - 1062.85639 - - 0s 0 0 1062.85639 0 45 - 1062.85639 - - 0s 0 0 1062.85639 0 49 - 1062.85639 - - 0s 0 0 1062.93512 0 50 - 1062.93512 - - 0s 0 0 1062.93544 0 54 - 1062.93544 - - 0s 0 0 1062.94185 0 54 - 1062.94185 - - 0s H 0 0 1103.0000000 1062.94185 3.63% - 0s H 0 0 1079.0000000 1062.94185 1.49% - 0s 0 0 1063.00000 0 8 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 53 1079.00000 1063.00000 1.48% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 0 1063.00000 0 53 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 51 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 8 1076.00000 1063.00000 1.21% - 0s 0 0 1063.01179 0 49 1076.00000 1063.01179 1.21% - 0s 0 0 1063.01324 0 52 1076.00000 1063.01324 1.21% - 0s 0 0 1063.03346 0 54 1076.00000 1063.03346 1.21% - 0s 0 0 1063.03509 0 57 1076.00000 1063.03509 1.20% - 0s 0 0 1063.03584 0 58 1076.00000 1063.03584 1.20% - 0s 0 0 1063.04816 0 55 1076.00000 1063.04816 1.20% - 0s 0 0 1063.04921 0 59 1076.00000 1063.04921 1.20% - 0s 0 0 1063.05692 0 58 1076.00000 1063.05692 1.20% - 0s 0 0 1063.06128 0 58 1076.00000 1063.06128 1.20% - 0s 0 0 1063.06255 0 59 1076.00000 1063.06255 1.20% - 0s 0 0 1063.06474 0 59 1076.00000 1063.06474 1.20% - 0s 0 0 1063.07617 0 49 1076.00000 1063.07617 1.20% - 0s 0 0 1063.08460 0 60 1076.00000 1063.08460 1.20% - 0s 0 0 1063.09832 0 61 1076.00000 1063.09832 1.20% - 0s 0 0 1063.11154 0 55 1076.00000 1063.11154 1.20% - 1s 0 0 1063.11541 0 66 1076.00000 1063.11541 1.20% - 1s 0 0 1063.11870 0 66 1076.00000 1063.11870 1.20% - 1s 0 0 1063.12065 0 68 1076.00000 1063.12065 1.20% - 1s 0 0 1063.12065 0 68 1076.00000 1063.12065 1.20% - 1s H 0 0 1075.0000000 1063.12065 1.11% - 1s 0 2 1063.12073 0 68 1075.00000 1063.12073 1.11% - 1s * 45 20 42 1074.0000000 1064.00585 0.93% 6.8 1s * 255 78 6 1073.0000000 1066.60000 0.60% 7.6 1s Cutting planes: Gomory: 5 Zero half: 27 Explored 501 nodes (4471 simplex iterations) in 2.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 8), (6, 13), (7, 9), (7, 33), (9, 10), (10, 11), (11, 14), (12, 13), (12, 33), (14, 16), (16, 18), (17, 28), (17, 29), (18, 20), (19, 20), (19, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 438 rows, 528 columns and 43260 nonzeros Presolve time: 0.02s Presolved: 438 rows, 528 columns, 43260 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 18 - 1062.00000 - - 0s 0 0 1062.00000 0 20 - 1062.00000 - - 0s 0 0 1062.00000 0 20 - 1062.00000 - - 0s H 0 0 1096.0000000 1062.00000 3.10% - 0s H 0 0 1095.0000000 1062.00000 3.01% - 0s 0 0 1062.00000 0 10 1095.00000 1062.00000 3.01% - 0s H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.37025 0 34 1077.00000 1062.37025 1.36% - 0s H 0 0 1075.0000000 1062.37025 1.17% - 0s 0 2 1062.99023 0 34 1075.00000 1062.99023 1.12% - 0s * 45 21 23 1073.0000000 1063.71613 0.87% 17.5 1s Cutting planes: Gomory: 6 Zero half: 6 Explored 438 nodes (4995 simplex iterations) in 2.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (13, 33), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 10), (9, 10), (9, 12), (12, 14), (15, 32)] Optimize a model with 440 rows, 528 columns and 43383 nonzeros Presolve time: 0.02s Presolved: 440 rows, 528 columns, 43383 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.55294 0 41 1075.00000 1062.55294 1.16% - 0s 0 0 1062.55294 0 10 1075.00000 1062.55294 1.16% - 0s 0 0 1062.55294 0 40 1075.00000 1062.55294 1.16% - 0s H 0 0 1074.0000000 1062.55294 1.07% - 0s 0 0 1062.82994 0 40 1074.00000 1062.82994 1.04% - 0s 0 0 1062.93989 0 52 1074.00000 1062.93989 1.03% - 0s 0 0 1062.96190 0 43 1074.00000 1062.96190 1.03% - 0s 0 0 1062.96761 0 48 1074.00000 1062.96761 1.03% - 0s 0 0 1062.96761 0 52 1074.00000 1062.96761 1.03% - 0s 0 0 1062.96761 0 55 1074.00000 1062.96761 1.03% - 0s 0 0 1063.02862 0 48 1074.00000 1063.02862 1.02% - 0s 0 0 1063.02862 0 52 1074.00000 1063.02862 1.02% - 0s 0 0 1063.02862 0 53 1074.00000 1063.02862 1.02% - 0s 0 0 1063.02862 0 54 1074.00000 1063.02862 1.02% - 0s 0 0 1063.05424 0 47 1074.00000 1063.05424 1.02% - 0s 0 2 1063.05660 0 47 1074.00000 1063.05660 1.02% - 0s * 110 52 19 1073.0000000 1065.78462 0.67% 7.6 1s Cutting planes: Gomory: 5 Zero half: 18 Explored 546 nodes (4658 simplex iterations) in 1.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 9), (9, 33), (12, 33), (12, 14), (15, 32)] Optimize a model with 442 rows, 528 columns and 43516 nonzeros Presolve time: 0.02s Presolved: 442 rows, 528 columns, 43516 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.00000 0 33 1084.00000 1062.00000 2.03% - 0s 0 0 1062.00000 0 10 1084.00000 1062.00000 2.03% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.52118 0 38 1078.00000 1062.52118 1.44% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s 0 2 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s * 39 21 31 1075.0000000 1064.00000 1.02% 9.9 0s * 136 49 12 1074.0000000 1064.26891 0.91% 9.1 0s * 144 43 6 1073.0000000 1064.43750 0.80% 9.1 0s Cutting planes: Gomory: 2 Zero half: 6 Explored 571 nodes (4863 simplex iterations) in 1.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 12), (10, 11), (11, 19), (12, 13), (15, 16), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 443 rows, 528 columns and 43621 nonzeros Presolve time: 0.02s Presolved: 443 rows, 528 columns, 43621 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.39077 0 44 - 1062.39077 - - 0s 0 0 1062.70202 0 34 - 1062.70202 - - 0s 0 0 1062.83459 0 39 - 1062.83459 - - 0s 0 0 1062.84602 0 46 - 1062.84602 - - 0s 0 0 1062.88274 0 39 - 1062.88274 - - 0s 0 0 1062.89271 0 47 - 1062.89271 - - 0s 0 0 1062.89271 0 49 - 1062.89271 - - 0s 0 0 1062.89271 0 50 - 1062.89271 - - 0s 0 0 1062.89799 0 55 - 1062.89799 - - 0s 0 0 1062.91978 0 56 - 1062.91978 - - 0s 0 0 1062.92915 0 50 - 1062.92915 - - 0s 0 0 1062.95137 0 44 - 1062.95137 - - 0s 0 0 1062.95204 0 49 - 1062.95204 - - 0s 0 0 1062.95381 0 51 - 1062.95381 - - 0s H 0 0 1174.0000000 1062.95381 9.46% - 0s H 0 0 1082.0000000 1062.95381 1.76% - 0s 0 0 1062.95381 0 50 1082.00000 1062.95381 1.76% - 0s H 0 0 1078.0000000 1062.95381 1.40% - 0s H 0 0 1075.0000000 1062.95381 1.12% - 0s H 0 0 1074.0000000 1062.95381 1.03% - 0s 0 0 1062.95381 0 12 1074.00000 1062.95381 1.03% - 0s 0 0 1062.95381 0 54 1074.00000 1062.95381 1.03% - 0s 0 0 1062.95381 0 48 1074.00000 1062.95381 1.03% - 0s 0 0 1062.95441 0 52 1074.00000 1062.95441 1.03% - 0s 0 0 1062.95455 0 49 1074.00000 1062.95455 1.03% - 0s 0 0 1062.95455 0 48 1074.00000 1062.95455 1.03% - 0s 0 2 1062.95898 0 48 1074.00000 1062.95898 1.03% - 1s * 184 80 13 1073.0000000 1065.40000 0.71% 7.7 1s Cutting planes: Gomory: 5 Zero half: 10 Explored 617 nodes (5043 simplex iterations) in 1.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 444 rows, 528 columns and 43687 nonzeros Presolve time: 0.02s Presolved: 444 rows, 528 columns, 43687 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33099 0 37 - 1062.33099 - - 0s 0 0 1062.76698 0 41 - 1062.76698 - - 0s 0 0 1062.87796 0 46 - 1062.87796 - - 0s 0 0 1062.90127 0 47 - 1062.90127 - - 0s 0 0 1062.90127 0 45 - 1062.90127 - - 0s 0 0 1062.90127 0 49 - 1062.90127 - - 0s 0 0 1062.90127 0 46 - 1062.90127 - - 0s 0 0 1062.90127 0 50 - 1062.90127 - - 0s 0 0 1062.92819 0 50 - 1062.92819 - - 0s 0 0 1062.92854 0 54 - 1062.92854 - - 0s 0 0 1062.92854 0 56 - 1062.92854 - - 0s H 0 0 1234.0000000 1062.92854 13.9% - 0s H 0 0 1120.0000000 1062.92854 5.10% - 0s H 0 0 1078.0000000 1062.92854 1.40% - 0s 0 0 1062.92854 0 57 1078.00000 1062.92854 1.40% - 0s 0 0 1062.92854 0 10 1078.00000 1062.92854 1.40% - 0s H 0 0 1075.0000000 1062.92854 1.12% - 0s 0 0 1062.92854 0 37 1075.00000 1062.92854 1.12% - 0s H 0 0 1074.0000000 1062.92854 1.03% - 0s 0 0 1062.92854 0 50 1074.00000 1062.92854 1.03% - 0s 0 0 1062.96341 0 52 1074.00000 1062.96341 1.03% - 0s 0 0 1062.96341 0 55 1074.00000 1062.96341 1.03% - 0s 0 0 1062.98670 0 49 1074.00000 1062.98670 1.03% - 0s 0 0 1062.98670 0 53 1074.00000 1062.98670 1.03% - 0s 0 0 1062.98670 0 51 1074.00000 1062.98670 1.03% - 0s 0 0 1062.98670 0 51 1074.00000 1062.98670 1.03% - 0s 0 2 1062.99356 0 51 1074.00000 1062.99356 1.02% - 1s * 93 50 21 1073.0000000 1064.47143 0.79% 8.0 1s Cutting planes: Gomory: 6 Zero half: 3 Mod-K: 2 Explored 330 nodes (3172 simplex iterations) in 1.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (12, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 445 rows, 528 columns and 43778 nonzeros Presolve time: 0.02s Presolved: 445 rows, 528 columns, 43778 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.19728 0 40 - 1062.19728 - - 0s 0 0 1062.72682 0 46 - 1062.72682 - - 0s 0 0 1063.00000 0 34 - 1063.00000 - - 0s 0 0 1063.00000 0 48 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 37 - 1063.00000 - - 0s 0 0 1063.00000 0 39 - 1063.00000 - - 0s 0 0 1063.00000 0 34 - 1063.00000 - - 0s H 0 0 1089.0000000 1063.00000 2.39% - 0s 0 0 1063.00000 0 34 1089.00000 1063.00000 2.39% - 0s 0 0 1063.00000 0 34 1089.00000 1063.00000 2.39% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 34 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 40 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 44 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 36 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 45 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 45 1078.00000 1063.00000 1.39% - 1s 0 2 1063.00000 0 42 1078.00000 1063.00000 1.39% - 1s * 87 37 85 1076.0000000 1063.96154 1.12% 5.4 1s * 130 60 41 1074.0000000 1064.00000 0.93% 5.7 1s * 248 130 30 1073.0000000 1064.50000 0.79% 6.1 1s Cutting planes: Gomory: 2 Zero half: 10 Explored 920 nodes (8462 simplex iterations) in 2.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 10), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 446 rows, 528 columns and 43869 nonzeros Presolve time: 0.02s Presolved: 446 rows, 528 columns, 43869 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 111 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.23333 0 13 - 1062.23333 - - 0s 0 0 1062.47868 0 48 - 1062.47868 - - 0s 0 0 1062.56398 0 52 - 1062.56398 - - 0s 0 0 1062.78411 0 52 - 1062.78411 - - 0s 0 0 1062.81869 0 52 - 1062.81869 - - 0s 0 0 1062.88690 0 56 - 1062.88690 - - 0s 0 0 1062.89850 0 57 - 1062.89850 - - 0s 0 0 1062.92072 0 55 - 1062.92072 - - 0s 0 0 1062.92598 0 55 - 1062.92598 - - 0s 0 0 1062.93003 0 58 - 1062.93003 - - 0s 0 0 1062.94447 0 58 - 1062.94447 - - 0s 0 0 1062.94447 0 58 - 1062.94447 - - 0s H 0 0 1093.0000000 1062.94447 2.75% - 0s H 0 0 1075.0000000 1062.94447 1.12% - 0s 0 0 1062.94447 0 10 1075.00000 1062.94447 1.12% - 0s 0 0 1062.94447 0 45 1075.00000 1062.94447 1.12% - 0s 0 0 1062.94447 0 52 1075.00000 1062.94447 1.12% - 0s 0 0 1062.94447 0 56 1075.00000 1062.94447 1.12% - 0s 0 0 1062.94447 0 56 1075.00000 1062.94447 1.12% - 0s 0 2 1062.95846 0 56 1075.00000 1062.95846 1.12% - 1s H 54 18 1073.0000000 1064.46875 0.80% 7.1 1s Cutting planes: Gomory: 3 Zero half: 6 Explored 418 nodes (3804 simplex iterations) in 1.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (17, 28), (17, 29), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 28), (29, 30)] Optimize a model with 447 rows, 528 columns and 43974 nonzeros Presolve time: 0.02s Presolved: 447 rows, 528 columns, 43974 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.44196 0 40 - 1062.44196 - - 0s 0 0 1062.87517 0 18 - 1062.87517 - - 0s 0 0 1063.00000 0 22 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1272.0000000 1063.00000 16.4% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 40 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 17 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 17 1080.00000 1063.00000 1.57% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 2 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s H 27 18 1075.0000000 1064.00000 1.02% 10.4 1s * 49 24 45 1074.0000000 1064.00000 0.93% 8.4 1s * 153 59 21 1073.0000000 1064.33333 0.81% 7.1 1s Cutting planes: Gomory: 2 Zero half: 7 Explored 463 nodes (4218 simplex iterations) in 1.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (12, 33), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 448 rows, 528 columns and 44065 nonzeros Presolve time: 0.02s Presolved: 448 rows, 528 columns, 44065 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.45528 0 35 - 1062.45528 - - 0s 0 0 1062.45528 0 39 - 1062.45528 - - 0s 0 0 1062.64308 0 41 - 1062.64308 - - 0s 0 0 1062.77356 0 38 - 1062.77356 - - 0s 0 0 1062.88709 0 46 - 1062.88709 - - 0s 0 0 1062.93511 0 47 - 1062.93511 - - 0s 0 0 1062.93511 0 53 - 1062.93511 - - 0s 0 0 1062.93511 0 48 - 1062.93511 - - 0s 0 0 1062.93511 0 51 - 1062.93511 - - 0s 0 0 1062.93511 0 54 - 1062.93511 - - 0s H 0 0 1126.0000000 1062.93511 5.60% - 0s H 0 0 1092.0000000 1062.93511 2.66% - 0s H 0 0 1078.0000000 1062.93511 1.40% - 0s 0 0 1062.93511 0 10 1078.00000 1062.93511 1.40% - 0s 0 0 1062.93511 0 36 1078.00000 1062.93511 1.40% - 0s 0 0 1062.93511 0 47 1078.00000 1062.93511 1.40% - 0s 0 0 1062.93511 0 51 1078.00000 1062.93511 1.40% - 0s 0 0 1062.93511 0 51 1078.00000 1062.93511 1.40% - 0s 0 0 1062.93511 0 54 1078.00000 1062.93511 1.40% - 0s 0 0 1062.95065 0 44 1078.00000 1062.95065 1.40% - 0s 0 0 1062.95222 0 52 1078.00000 1062.95222 1.40% - 0s 0 0 1062.95222 0 52 1078.00000 1062.95222 1.40% - 0s 0 2 1062.95497 0 52 1078.00000 1062.95497 1.40% - 1s * 58 30 55 1074.0000000 1063.96154 0.93% 7.3 1s * 85 46 27 1073.0000000 1064.30303 0.81% 7.2 1s Cutting planes: Gomory: 5 Zero half: 3 Explored 634 nodes (4991 simplex iterations) in 1.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 9), (7, 19), (9, 10), (10, 11), (11, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 449 rows, 528 columns and 44218 nonzeros Presolve time: 0.02s Presolved: 449 rows, 528 columns, 44218 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.16667 0 13 - 1062.16667 - - 0s 0 0 1062.55202 0 46 - 1062.55202 - - 0s 0 0 1062.93444 0 50 - 1062.93444 - - 0s 0 0 1063.03076 0 53 - 1063.03076 - - 0s 0 0 1063.03874 0 48 - 1063.03874 - - 0s 0 0 1063.16732 0 59 - 1063.16732 - - 0s 0 0 1063.18674 0 60 - 1063.18674 - - 0s 0 0 1063.23175 0 54 - 1063.23175 - - 0s 0 0 1063.25498 0 54 - 1063.25498 - - 0s 0 0 1063.25498 0 58 - 1063.25498 - - 0s 0 0 1063.28043 0 55 - 1063.28043 - - 0s 0 0 1063.28355 0 58 - 1063.28355 - - 0s 0 0 1063.28666 0 59 - 1063.28666 - - 0s 0 0 1063.28666 0 60 - 1063.28666 - - 0s 0 0 1063.29113 0 57 - 1063.29113 - - 0s 0 0 1063.29113 0 58 - 1063.29113 - - 0s 0 0 1063.29113 0 58 - 1063.29113 - - 0s H 0 0 1183.0000000 1063.29113 10.1% - 0s H 0 0 1095.0000000 1063.29113 2.90% - 0s H 0 0 1092.0000000 1063.29113 2.63% - 0s H 0 0 1078.0000000 1063.29113 1.36% - 0s 0 0 1063.29113 0 10 1078.00000 1063.29113 1.36% - 0s H 0 0 1075.0000000 1063.29113 1.09% - 0s 0 0 1063.29113 0 49 1075.00000 1063.29113 1.09% - 0s 0 0 1063.29113 0 50 1075.00000 1063.29113 1.09% - 0s 0 0 1063.29113 0 53 1075.00000 1063.29113 1.09% - 0s 0 0 1063.29271 0 52 1075.00000 1063.29271 1.09% - 0s 0 0 1063.29271 0 55 1075.00000 1063.29271 1.09% - 1s 0 0 1063.29271 0 55 1075.00000 1063.29271 1.09% - 1s 0 0 1063.29271 0 58 1075.00000 1063.29271 1.09% - 1s 0 0 1063.29271 0 58 1075.00000 1063.29271 1.09% - 1s H 0 0 1074.0000000 1063.29271 1.00% - 1s 0 2 1063.29658 0 58 1074.00000 1063.29658 1.00% - 1s * 200 65 11 1073.0000000 1067.54105 0.51% 7.8 1s Cutting planes: Gomory: 4 Zero half: 6 Mod-K: 2 Explored 392 nodes (3742 simplex iterations) in 2.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 27), (27, 28), (28, 29)] Optimize a model with 450 rows, 528 columns and 44338 nonzeros Presolve time: 0.02s Presolved: 450 rows, 528 columns, 44338 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1082.0000000 1062.00000 1.85% - 0s 0 0 1062.06404 0 41 1082.00000 1062.06404 1.84% - 0s 0 0 1062.06404 0 10 1082.00000 1062.06404 1.84% - 0s H 0 0 1078.0000000 1062.06404 1.48% - 0s 0 0 1062.46500 0 40 1078.00000 1062.46500 1.44% - 0s 0 0 1062.95775 0 22 1078.00000 1062.95775 1.40% - 0s 0 0 1062.98722 0 22 1078.00000 1062.98722 1.39% - 0s 0 0 1062.98722 0 26 1078.00000 1062.98722 1.39% - 0s 0 0 1062.98722 0 20 1078.00000 1062.98722 1.39% - 0s 0 0 1062.98722 0 23 1078.00000 1062.98722 1.39% - 0s 0 0 1062.99814 0 46 1078.00000 1062.99814 1.39% - 0s 0 0 1063.00478 0 51 1078.00000 1063.00478 1.39% - 0s 0 0 1063.00478 0 51 1078.00000 1063.00478 1.39% - 0s 0 0 1063.00478 0 54 1078.00000 1063.00478 1.39% - 0s 0 0 1063.07243 0 47 1078.00000 1063.07243 1.38% - 0s H 0 0 1075.0000000 1063.07243 1.11% - 0s 0 0 1063.07243 0 53 1075.00000 1063.07243 1.11% - 0s 0 2 1063.38757 0 52 1075.00000 1063.38757 1.08% - 0s * 91 27 43 1074.0000000 1064.83333 0.85% 20.7 3s * 240 37 20 1073.0000000 1068.00000 0.47% 13.9 3s Cutting planes: Gomory: 6 Zero half: 13 Mod-K: 2 Explored 457 nodes (5296 simplex iterations) in 3.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 33), (11, 33), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 451 rows, 528 columns and 44474 nonzeros Presolve time: 0.02s Presolved: 451 rows, 528 columns, 44474 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.14474 0 38 - 1062.14474 - - 0s 0 0 1062.94894 0 20 - 1062.94894 - - 0s 0 0 1062.99226 0 35 - 1062.99226 - - 0s 0 0 1063.04833 0 45 - 1063.04833 - - 0s 0 0 1063.07813 0 49 - 1063.07813 - - 0s 0 0 1063.07993 0 50 - 1063.07993 - - 0s 0 0 1063.07993 0 51 - 1063.07993 - - 0s 0 0 1063.09320 0 56 - 1063.09320 - - 0s 0 0 1063.09320 0 57 - 1063.09320 - - 0s 0 0 1063.11594 0 46 - 1063.11594 - - 0s 0 0 1063.11594 0 53 - 1063.11594 - - 0s 0 0 1063.11594 0 52 - 1063.11594 - - 0s H 0 0 1078.0000000 1063.11594 1.38% - 0s H 0 0 1075.0000000 1063.11594 1.11% - 0s 0 0 1063.11594 0 12 1075.00000 1063.11594 1.11% - 0s 0 0 1063.11594 0 44 1075.00000 1063.11594 1.11% - 0s 0 0 1063.11594 0 52 1075.00000 1063.11594 1.11% - 0s 0 0 1063.11594 0 53 1075.00000 1063.11594 1.11% - 0s 0 0 1063.11594 0 50 1075.00000 1063.11594 1.11% - 0s 0 2 1063.11681 0 50 1075.00000 1063.11681 1.11% - 1s * 93 50 27 1074.0000000 1065.00000 0.84% 9.6 1s * 894 130 23 1073.0000000 1068.66667 0.40% 8.4 2s Cutting planes: Gomory: 4 Zero half: 2 Explored 1079 nodes (9113 simplex iterations) in 2.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(2, 11), (2, 12), (7, 8), (7, 33), (9, 10), (9, 33), (10, 11), (12, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 452 rows, 528 columns and 44705 nonzeros Presolve time: 0.02s Presolved: 452 rows, 528 columns, 44705 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30347 0 40 - 1062.30347 - - 0s 0 0 1062.68430 0 38 - 1062.68430 - - 0s 0 0 1062.91991 0 42 - 1062.91991 - - 0s 0 0 1062.91991 0 48 - 1062.91991 - - 0s 0 0 1062.91991 0 45 - 1062.91991 - - 0s 0 0 1062.91991 0 48 - 1062.91991 - - 0s 0 0 1062.94026 0 46 - 1062.94026 - - 0s 0 0 1062.94096 0 40 - 1062.94096 - - 0s 0 0 1062.94668 0 53 - 1062.94668 - - 0s 0 0 1062.94668 0 51 - 1062.94668 - - 0s H 0 0 1218.0000000 1062.94668 12.7% - 0s H 0 0 1115.0000000 1062.94668 4.67% - 0s 0 0 1062.94668 0 54 1115.00000 1062.94668 4.67% - 0s 0 0 1063.00000 0 8 1115.00000 1063.00000 4.66% - 0s 0 0 1063.02848 0 55 1115.00000 1063.02848 4.66% - 0s 0 0 1063.05467 0 54 1115.00000 1063.05467 4.66% - 0s 0 0 1063.05842 0 56 1115.00000 1063.05842 4.66% - 0s 0 0 1063.07363 0 55 1115.00000 1063.07363 4.66% - 0s 0 0 1063.07363 0 58 1115.00000 1063.07363 4.66% - 0s 0 0 1063.07363 0 56 1115.00000 1063.07363 4.66% - 0s 0 0 1063.08288 0 61 1115.00000 1063.08288 4.66% - 0s H 0 0 1113.0000000 1063.08288 4.48% - 0s H 0 0 1096.0000000 1063.08288 3.00% - 0s 0 0 1063.10695 0 60 1096.00000 1063.10695 3.00% - 0s 0 0 1063.11066 0 63 1096.00000 1063.11066 3.00% - 0s 0 0 1063.11347 0 53 1096.00000 1063.11347 3.00% - 0s 0 0 1063.11347 0 60 1096.00000 1063.11347 3.00% - 0s 0 0 1063.11490 0 63 1096.00000 1063.11490 3.00% - 0s 0 0 1063.11490 0 63 1096.00000 1063.11490 3.00% - 1s H 0 0 1078.0000000 1063.11490 1.38% - 1s H 0 0 1074.0000000 1063.11490 1.01% - 1s 0 0 1063.11490 0 10 1074.00000 1063.11490 1.01% - 1s 0 0 1063.11490 0 52 1074.00000 1063.11490 1.01% - 1s 0 0 1063.11490 0 61 1074.00000 1063.11490 1.01% - 1s 0 0 1063.11490 0 58 1074.00000 1063.11490 1.01% - 1s 0 0 1063.12848 0 66 1074.00000 1063.12848 1.01% - 1s 0 0 1063.13956 0 63 1074.00000 1063.13956 1.01% - 1s 0 0 1063.13994 0 53 1074.00000 1063.13994 1.01% - 1s 0 0 1063.13994 0 51 1074.00000 1063.13994 1.01% - 1s 0 2 1063.14333 0 51 1074.00000 1063.14333 1.01% - 1s * 417 96 14 1073.0000000 1069.09524 0.36% 7.3 2s Cutting planes: Gomory: 3 Zero half: 16 Explored 595 nodes (4979 simplex iterations) in 2.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(11, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 453 rows, 528 columns and 44771 nonzeros Presolve time: 0.02s Presolved: 453 rows, 528 columns, 44771 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.11111 0 13 - 1062.11111 - - 0s 0 0 1062.36499 0 49 - 1062.36499 - - 0s 0 0 1063.00000 0 41 - 1063.00000 - - 0s 0 0 1063.00000 0 42 - 1063.00000 - - 0s 0 0 1063.00000 0 30 - 1063.00000 - - 0s 0 0 1063.00000 0 22 - 1063.00000 - - 0s H 0 0 1394.0000000 1063.00000 23.7% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 48 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 41 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 39 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 39 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 42 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 36 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 19 1078.00000 1063.00000 1.39% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 53 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 35 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 44 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s 0 2 1063.00000 0 18 1077.00000 1063.00000 1.30% - 1s H 54 48 1075.0000000 1063.00000 1.12% 6.2 1s * 184 115 44 1074.0000000 1063.12258 1.01% 6.2 1s * 1054 167 25 1073.0000000 1067.84615 0.48% 8.9 2s Cutting planes: Gomory: 1 Zero half: 1 Explored 1375 nodes (13158 simplex iterations) in 3.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 12), (11, 33), (11, 19), (12, 13), (17, 28), (17, 29), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 454 rows, 528 columns and 44924 nonzeros Presolve time: 0.02s Presolved: 454 rows, 528 columns, 44924 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1094.0000000 1062.00000 2.93% - 0s 0 0 1062.20000 0 13 1094.00000 1062.20000 2.91% - 0s 0 0 1062.55535 0 47 1094.00000 1062.55535 2.87% - 0s 0 0 1062.78646 0 31 1094.00000 1062.78646 2.85% - 0s 0 0 1063.12520 0 41 1094.00000 1063.12520 2.82% - 0s 0 0 1063.14770 0 56 1094.00000 1063.14770 2.82% - 0s 0 0 1063.21956 0 49 1094.00000 1063.21956 2.81% - 0s 0 0 1063.21956 0 52 1094.00000 1063.21956 2.81% - 0s 0 0 1063.23727 0 53 1094.00000 1063.23727 2.81% - 0s 0 0 1063.23727 0 56 1094.00000 1063.23727 2.81% - 0s 0 0 1063.24442 0 54 1094.00000 1063.24442 2.81% - 0s 0 0 1063.24442 0 57 1094.00000 1063.24442 2.81% - 0s 0 0 1063.27395 0 57 1094.00000 1063.27395 2.81% - 0s 0 0 1063.27884 0 59 1094.00000 1063.27884 2.81% - 0s 0 0 1063.28295 0 54 1094.00000 1063.28295 2.81% - 0s 0 0 1063.28295 0 57 1094.00000 1063.28295 2.81% - 0s 0 0 1063.28403 0 55 1094.00000 1063.28403 2.81% - 0s 0 0 1063.28403 0 55 1094.00000 1063.28403 2.81% - 0s H 0 0 1090.0000000 1063.28403 2.45% - 0s H 0 0 1083.0000000 1063.28403 1.82% - 0s H 0 0 1075.0000000 1063.28403 1.09% - 0s H 0 0 1074.0000000 1063.28403 1.00% - 0s 0 0 1063.28403 0 10 1074.00000 1063.28403 1.00% - 0s 0 0 1063.28403 0 40 1074.00000 1063.28403 1.00% - 0s 0 0 1063.28403 0 42 1074.00000 1063.28403 1.00% - 0s 0 0 1063.29838 0 51 1074.00000 1063.29838 1.00% - 0s 0 0 1063.30654 0 46 1074.00000 1063.30654 1.00% - 1s 0 0 1063.30662 0 53 1074.00000 1063.30662 1.00% - 1s 0 0 1063.30662 0 54 1074.00000 1063.30662 1.00% - 1s 0 0 1063.30662 0 55 1074.00000 1063.30662 1.00% - 1s 0 0 1063.30662 0 53 1074.00000 1063.30662 1.00% - 1s 0 2 1063.30839 0 53 1074.00000 1063.30839 1.00% - 1s * 99 37 24 1073.0000000 1064.74950 0.77% 9.4 1s Cutting planes: Gomory: 7 Zero half: 7 Explored 312 nodes (3305 simplex iterations) in 1.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 12), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 455 rows, 528 columns and 45002 nonzeros Presolve time: 0.02s Presolved: 455 rows, 528 columns, 45002 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.38849 0 38 1075.00000 1062.38849 1.17% - 0s 0 0 1062.38849 0 10 1075.00000 1062.38849 1.17% - 0s 0 0 1062.38849 0 39 1075.00000 1062.38849 1.17% - 0s H 0 0 1074.0000000 1062.38849 1.08% - 0s 0 0 1062.86123 0 44 1074.00000 1062.86123 1.04% - 0s 0 0 1062.97605 0 52 1074.00000 1062.97605 1.03% - 0s 0 0 1062.99129 0 43 1074.00000 1062.99129 1.03% - 0s 0 0 1062.99383 0 58 1074.00000 1062.99383 1.02% - 0s 0 0 1062.99666 0 55 1074.00000 1062.99666 1.02% - 0s 0 0 1063.00000 0 23 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 24 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00004 0 60 1074.00000 1063.00004 1.02% - 0s 0 0 1063.00006 0 61 1074.00000 1063.00006 1.02% - 0s 0 0 1063.00006 0 61 1074.00000 1063.00006 1.02% - 0s 0 2 1063.00026 0 61 1074.00000 1063.00026 1.02% - 0s * 518 133 24 1073.0000000 1069.00000 0.37% 7.3 1s Cutting planes: Gomory: 7 Zero half: 13 Explored 793 nodes (5807 simplex iterations) in 1.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(7, 10), (7, 12), (10, 11), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 456 rows, 528 columns and 45107 nonzeros Presolve time: 0.02s Presolved: 456 rows, 528 columns, 45107 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.34239 0 39 - 1062.34239 - - 0s 0 0 1062.61826 0 40 - 1062.61826 - - 0s 0 0 1062.79511 0 50 - 1062.79511 - - 0s 0 0 1062.87973 0 34 - 1062.87973 - - 0s 0 0 1062.89211 0 54 - 1062.89211 - - 0s 0 0 1062.89211 0 51 - 1062.89211 - - 0s 0 0 1062.89211 0 54 - 1062.89211 - - 0s 0 0 1062.94578 0 32 - 1062.94578 - - 0s 0 0 1062.95310 0 56 - 1062.95310 - - 0s 0 0 1062.99274 0 44 - 1062.99274 - - 0s 0 0 1062.99633 0 51 - 1062.99633 - - 0s 0 0 1062.99633 0 49 - 1062.99633 - - 0s 0 0 1062.99633 0 54 - 1062.99633 - - 0s 0 0 1063.00628 0 52 - 1063.00628 - - 0s 0 0 1063.00628 0 60 - 1063.00628 - - 0s 0 0 1063.01032 0 57 - 1063.01032 - - 0s 0 0 1063.01040 0 57 - 1063.01040 - - 0s 0 0 1063.01040 0 57 - 1063.01040 - - 0s H 0 0 1183.0000000 1063.01040 10.1% - 0s H 0 0 1172.0000000 1063.01040 9.30% - 0s H 0 0 1109.0000000 1063.01040 4.15% - 0s H 0 0 1078.0000000 1063.01040 1.39% - 0s 0 0 1063.01040 0 10 1078.00000 1063.01040 1.39% - 0s 0 0 1063.01040 0 43 1078.00000 1063.01040 1.39% - 0s 0 0 1063.01040 0 48 1078.00000 1063.01040 1.39% - 0s 0 0 1063.01040 0 52 1078.00000 1063.01040 1.39% - 0s 0 0 1063.01040 0 53 1078.00000 1063.01040 1.39% - 0s 0 0 1063.01040 0 53 1078.00000 1063.01040 1.39% - 1s H 0 0 1076.0000000 1063.01040 1.21% - 1s 0 2 1063.01240 0 53 1076.00000 1063.01240 1.21% - 1s * 19 14 17 1074.0000000 1063.90627 0.94% 15.7 1s * 913 142 22 1073.0000000 1068.73743 0.40% 8.4 2s Cutting planes: Gomory: 3 Zero half: 8 Explored 1030 nodes (9050 simplex iterations) in 3.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 457 rows, 528 columns and 45212 nonzeros Presolve time: 0.02s Presolved: 457 rows, 528 columns, 45212 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.45528 0 35 1078.00000 1062.45528 1.44% - 0s 0 0 1062.45528 0 10 1078.00000 1062.45528 1.44% - 0s 0 0 1062.53112 0 37 1078.00000 1062.53112 1.43% - 0s H 0 0 1077.0000000 1062.53112 1.34% - 0s 0 0 1062.94366 0 39 1077.00000 1062.94366 1.31% - 0s 0 0 1062.99428 0 45 1077.00000 1062.99428 1.30% - 0s 0 0 1062.99428 0 51 1077.00000 1062.99428 1.30% - 0s 0 0 1062.99428 0 45 1077.00000 1062.99428 1.30% - 0s 0 0 1062.99428 0 48 1077.00000 1062.99428 1.30% - 0s 0 0 1062.99428 0 49 1077.00000 1062.99428 1.30% - 0s 0 0 1062.99428 0 52 1077.00000 1062.99428 1.30% - 0s 0 0 1062.99428 0 52 1077.00000 1062.99428 1.30% - 0s 0 2 1063.00000 0 52 1077.00000 1063.00000 1.30% - 0s * 59 22 55 1074.0000000 1064.00000 0.93% 6.3 0s * 194 56 17 1073.0000000 1065.00000 0.75% 7.0 1s Cutting planes: Gomory: 4 Zero half: 5 Explored 496 nodes (4643 simplex iterations) in 1.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 19), (13, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 458 rows, 528 columns and 45303 nonzeros Presolve time: 0.02s Presolved: 458 rows, 528 columns, 45303 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s H 0 0 1231.0000000 1062.00000 13.7% - 0s H 0 0 1103.0000000 1062.00000 3.72% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.00000 0 18 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 10 1078.00000 1062.00000 1.48% - 0s 0 0 1062.41379 0 36 1078.00000 1062.41379 1.45% - 0s 0 0 1062.86207 0 36 1078.00000 1062.86207 1.40% - 0s 0 0 1063.00000 0 37 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 46 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 2 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s H 27 24 1075.0000000 1063.69318 1.05% 15.0 1s * 62 34 11 1074.0000000 1064.33333 0.90% 10.4 1s * 867 140 20 1073.0000000 1069.50000 0.33% 8.4 2s Cutting planes: Gomory: 2 Zero half: 1 Explored 978 nodes (8786 simplex iterations) in 2.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (15, 16), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 459 rows, 528 columns and 45381 nonzeros Presolve time: 0.02s Presolved: 459 rows, 528 columns, 45381 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1080.0000000 1062.00000 1.67% - 0s 0 0 1062.50618 0 47 1080.00000 1062.50618 1.62% - 0s 0 0 1062.50618 0 10 1080.00000 1062.50618 1.62% - 0s H 0 0 1078.0000000 1062.50618 1.44% - 0s 0 0 1062.50618 0 47 1078.00000 1062.50618 1.44% - 0s 0 0 1062.86600 0 33 1078.00000 1062.86600 1.40% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.02847 0 50 1078.00000 1063.02847 1.39% - 0s 0 0 1063.02847 0 51 1078.00000 1063.02847 1.39% - 0s 0 0 1063.02847 0 54 1078.00000 1063.02847 1.39% - 0s 0 0 1063.10026 0 42 1078.00000 1063.10026 1.38% - 0s 0 0 1063.12183 0 53 1078.00000 1063.12183 1.38% - 0s 0 0 1063.12901 0 53 1078.00000 1063.12901 1.38% - 0s 0 0 1063.12901 0 56 1078.00000 1063.12901 1.38% - 0s 0 0 1063.22562 0 49 1078.00000 1063.22562 1.37% - 0s 0 0 1063.22562 0 55 1078.00000 1063.22562 1.37% - 0s 0 0 1063.22562 0 53 1078.00000 1063.22562 1.37% - 0s 0 0 1063.22562 0 56 1078.00000 1063.22562 1.37% - 0s 0 0 1063.23527 0 44 1078.00000 1063.23527 1.37% - 0s 0 0 1063.23637 0 51 1078.00000 1063.23637 1.37% - 0s 0 0 1063.23637 0 53 1078.00000 1063.23637 1.37% - 0s 0 0 1063.23637 0 55 1078.00000 1063.23637 1.37% - 0s H 0 0 1075.0000000 1063.23637 1.09% - 1s 0 2 1063.23658 0 55 1075.00000 1063.23658 1.09% - 1s * 79 25 18 1074.0000000 1064.25000 0.91% 5.7 1s * 474 45 12 1073.0000000 1070.50000 0.23% 7.8 1s Cutting planes: Gomory: 4 Zero half: 8 Explored 565 nodes (4680 simplex iterations) in 1.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(7, 11), (7, 12), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 460 rows, 528 columns and 45472 nonzeros Presolve time: 0.02s Presolved: 460 rows, 528 columns, 45472 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s H 0 0 1367.0000000 1062.00000 22.3% - 0s H 0 0 1084.0000000 1062.00000 2.03% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.00000 0 18 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 10 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 38 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 40 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 47 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 50 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 25 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 42 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 42 1078.00000 1062.00000 1.48% - 0s H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 2 1062.00000 0 42 1075.00000 1062.00000 1.21% - 0s * 19 9 12 1074.0000000 1064.00000 0.93% 14.5 0s * 700 18 16 1073.0000000 1071.23684 0.16% 8.0 1s Cutting planes: Gomory: 2 Zero half: 7 Explored 719 nodes (6443 simplex iterations) in 1.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.073000000000e+03, best bound 1.073000000000e+03, gap 0.0% adding cut for [(10, 11), (10, 12), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 461 rows, 528 columns and 45550 nonzeros Presolve time: 0.02s Presolved: 461 rows, 528 columns, 45550 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.16475 0 41 - 1062.16475 - - 0s 0 0 1062.32701 0 44 - 1062.32701 - - 0s 0 0 1062.61765 0 41 - 1062.61765 - - 0s 0 0 1062.66012 0 45 - 1062.66012 - - 0s 0 0 1062.66012 0 43 - 1062.66012 - - 0s 0 0 1062.66012 0 47 - 1062.66012 - - 0s 0 0 1062.66012 0 44 - 1062.66012 - - 0s 0 0 1062.66012 0 48 - 1062.66012 - - 0s 0 0 1062.67958 0 53 - 1062.67958 - - 0s 0 0 1062.68888 0 54 - 1062.68888 - - 0s 0 0 1062.72934 0 55 - 1062.72934 - - 0s 0 0 1062.72934 0 56 - 1062.72934 - - 0s 0 0 1062.83797 0 49 - 1062.83797 - - 0s H 0 0 1208.0000000 1062.83797 12.0% - 0s H 0 0 1117.0000000 1062.83797 4.85% - 0s 0 0 1062.85882 0 56 1117.00000 1062.85882 4.85% - 0s 0 0 1062.86927 0 55 1117.00000 1062.86927 4.85% - 0s 0 0 1062.86927 0 57 1117.00000 1062.86927 4.85% - 0s 0 0 1062.91855 0 42 1117.00000 1062.91855 4.84% - 0s 0 0 1062.91855 0 52 1117.00000 1062.91855 4.84% - 0s 0 0 1062.93718 0 56 1117.00000 1062.93718 4.84% - 0s 0 0 1062.93718 0 57 1117.00000 1062.93718 4.84% - 0s H 0 0 1088.0000000 1062.93718 2.30% - 0s 0 0 1062.93718 0 58 1088.00000 1062.93718 2.30% - 0s H 0 0 1081.0000000 1062.93718 1.67% - 0s H 0 0 1078.0000000 1062.93718 1.40% - 0s 0 0 1063.05650 0 54 1078.00000 1063.05650 1.39% - 0s 0 0 1063.05650 0 10 1078.00000 1063.05650 1.39% - 0s 0 0 1063.05650 0 10 1078.00000 1063.05650 1.39% - 1s 0 0 1063.05650 0 52 1078.00000 1063.05650 1.39% - 1s 0 0 1063.05650 0 57 1078.00000 1063.05650 1.39% - 1s 0 0 1063.05650 0 56 1078.00000 1063.05650 1.39% - 1s 0 0 1063.05650 0 59 1078.00000 1063.05650 1.39% - 1s 0 0 1063.05761 0 61 1078.00000 1063.05761 1.39% - 1s 0 0 1063.07279 0 57 1078.00000 1063.07279 1.38% - 1s 0 0 1063.07442 0 61 1078.00000 1063.07442 1.38% - 1s 0 0 1063.07498 0 60 1078.00000 1063.07498 1.38% - 1s 0 0 1063.07498 0 62 1078.00000 1063.07498 1.38% - 1s 0 0 1063.08266 0 63 1078.00000 1063.08266 1.38% - 1s 0 0 1063.09023 0 63 1078.00000 1063.09023 1.38% - 1s H 0 0 1076.0000000 1063.09023 1.20% - 1s 0 0 1063.09110 0 62 1076.00000 1063.09110 1.20% - 1s 0 0 1063.09110 0 62 1076.00000 1063.09110 1.20% - 1s H 0 0 1075.0000000 1063.09110 1.11% - 1s 0 2 1063.09302 0 62 1075.00000 1063.09302 1.11% - 1s * 42 15 41 1074.0000000 1063.91964 0.94% 5.5 1s Cutting planes: Gomory: 3 Zero half: 9 Mod-K: 2 Explored 760 nodes (6221 simplex iterations) in 2.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 11), (11, 19), (13, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 462 rows, 528 columns and 45655 nonzeros Presolve time: 0.02s Presolved: 462 rows, 528 columns, 45655 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.23896 0 45 1085.00000 1062.23896 2.10% - 0s 0 0 1062.23896 0 10 1085.00000 1062.23896 2.10% - 0s H 0 0 1078.0000000 1062.23896 1.46% - 0s 0 0 1062.47273 0 35 1078.00000 1062.47273 1.44% - 0s 0 0 1062.63889 0 14 1078.00000 1062.63889 1.42% - 0s 0 0 1062.84407 0 43 1078.00000 1062.84407 1.41% - 0s 0 2 1062.98231 0 43 1078.00000 1062.98231 1.39% - 0s H 5 4 1076.0000000 1063.06051 1.20% 0.0 0s * 67 22 45 1074.0000000 1064.79253 0.86% 16.7 1s Cutting planes: Gomory: 10 Zero half: 4 Explored 730 nodes (6217 simplex iterations) in 1.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 11), (9, 33), (9, 10), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 463 rows, 528 columns and 45808 nonzeros Presolve time: 0.02s Presolved: 463 rows, 528 columns, 45808 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 12 - 1062.00000 - - 0s H 0 0 1196.0000000 1062.00000 11.2% - 0s H 0 0 1088.0000000 1062.00000 2.39% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.00000 0 17 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 10 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 36 1078.00000 1062.00000 1.48% - 0s 0 0 1062.37500 0 12 1078.00000 1062.37500 1.45% - 0s 0 0 1062.80090 0 39 1078.00000 1062.80090 1.41% - 0s 0 0 1062.82708 0 45 1078.00000 1062.82708 1.41% - 0s 0 0 1062.82708 0 51 1078.00000 1062.82708 1.41% - 0s 0 0 1062.82708 0 49 1078.00000 1062.82708 1.41% - 0s 0 0 1062.82708 0 52 1078.00000 1062.82708 1.41% - 0s 0 0 1062.86132 0 56 1078.00000 1062.86132 1.40% - 0s 0 0 1062.86132 0 57 1078.00000 1062.86132 1.40% - 0s 0 0 1062.99772 0 55 1078.00000 1062.99772 1.39% - 0s 0 0 1062.99947 0 58 1078.00000 1062.99947 1.39% - 0s 0 0 1063.02419 0 56 1078.00000 1063.02419 1.39% - 0s 0 0 1063.02461 0 61 1078.00000 1063.02461 1.39% - 0s 0 0 1063.06998 0 59 1078.00000 1063.06998 1.38% - 0s 0 0 1063.06998 0 61 1078.00000 1063.06998 1.38% - 0s 0 0 1063.06998 0 61 1078.00000 1063.06998 1.38% - 1s H 0 0 1076.0000000 1063.06998 1.20% - 1s H 0 0 1074.0000000 1063.06998 1.02% - 1s 0 2 1063.07345 0 61 1074.00000 1063.07345 1.02% - 1s Cutting planes: Gomory: 4 Zero half: 12 Explored 594 nodes (5774 simplex iterations) in 1.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 12), (8, 9), (9, 10), (10, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 464 rows, 528 columns and 45961 nonzeros Presolve time: 0.02s Presolved: 464 rows, 528 columns, 45961 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s 0 0 1062.00000 0 18 - 1062.00000 - - 0s 0 0 1062.00000 0 18 - 1062.00000 - - 0s H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.00000 0 10 1084.00000 1062.00000 2.03% - 0s 0 0 1062.41509 0 36 1084.00000 1062.41509 1.99% - 0s H 0 0 1082.0000000 1062.41509 1.81% - 0s H 0 0 1079.0000000 1062.41509 1.54% - 0s 0 0 1062.75915 0 40 1079.00000 1062.75915 1.51% - 0s 0 0 1062.91297 0 43 1079.00000 1062.91297 1.49% - 0s 0 0 1062.97686 0 42 1079.00000 1062.97686 1.48% - 0s 0 0 1062.98199 0 43 1079.00000 1062.98199 1.48% - 0s 0 0 1062.98794 0 50 1079.00000 1062.98794 1.48% - 0s 0 0 1062.98794 0 54 1079.00000 1062.98794 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 18 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 17 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 15 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00455 0 57 1079.00000 1063.00455 1.48% - 0s 0 0 1063.03374 0 54 1079.00000 1063.03374 1.48% - 0s 0 0 1063.03374 0 57 1079.00000 1063.03374 1.48% - 0s 0 0 1063.06994 0 52 1079.00000 1063.06994 1.48% - 0s 0 0 1063.07038 0 55 1079.00000 1063.07038 1.48% - 0s 0 0 1063.07230 0 54 1079.00000 1063.07230 1.48% - 0s 0 0 1063.07461 0 58 1079.00000 1063.07461 1.48% - 0s 0 0 1063.08316 0 59 1079.00000 1063.08316 1.48% - 1s 0 0 1063.09216 0 49 1079.00000 1063.09216 1.47% - 1s 0 0 1063.09216 0 53 1079.00000 1063.09216 1.47% - 1s 0 0 1063.09310 0 59 1079.00000 1063.09310 1.47% - 1s H 0 0 1076.0000000 1063.09310 1.20% - 1s 0 0 1063.11158 0 59 1076.00000 1063.11158 1.20% - 1s 0 2 1063.44123 0 59 1076.00000 1063.44123 1.17% - 1s H 17 12 1074.0000000 1063.56209 0.97% 0.2 2s Cutting planes: Gomory: 7 Zero half: 8 Mod-K: 1 Explored 929 nodes (8689 simplex iterations) in 3.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 11), (7, 10), (9, 10), (9, 12), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 465 rows, 528 columns and 46114 nonzeros Presolve time: 0.02s Presolved: 465 rows, 528 columns, 46114 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.00000 0 14 1075.00000 1062.00000 1.21% - 0s 0 0 1062.00000 0 10 1075.00000 1062.00000 1.21% - 0s 0 0 1062.21429 0 13 1075.00000 1062.21429 1.19% - 0s H 0 0 1074.0000000 1062.21429 1.10% - 0s 0 0 1062.57669 0 36 1074.00000 1062.57669 1.06% - 0s 0 0 1062.69607 0 44 1074.00000 1062.69607 1.05% - 0s 0 0 1062.88157 0 52 1074.00000 1062.88157 1.04% - 0s 0 0 1062.88847 0 50 1074.00000 1062.88847 1.03% - 0s 0 0 1062.88847 0 53 1074.00000 1062.88847 1.03% - 0s 0 0 1062.89872 0 46 1074.00000 1062.89872 1.03% - 0s 0 0 1062.89872 0 53 1074.00000 1062.89872 1.03% - 0s 0 0 1062.94465 0 49 1074.00000 1062.94465 1.03% - 0s 0 0 1062.94465 0 55 1074.00000 1062.94465 1.03% - 0s 0 0 1062.94465 0 53 1074.00000 1062.94465 1.03% - 0s 0 0 1062.94465 0 56 1074.00000 1062.94465 1.03% - 0s 0 0 1063.06090 0 42 1074.00000 1063.06090 1.02% - 0s 0 0 1063.06907 0 48 1074.00000 1063.06907 1.02% - 0s 0 0 1063.09169 0 57 1074.00000 1063.09169 1.02% - 0s 0 0 1063.12315 0 54 1074.00000 1063.12315 1.01% - 0s 0 0 1063.12315 0 57 1074.00000 1063.12315 1.01% - 0s 0 0 1063.14531 0 52 1074.00000 1063.14531 1.01% - 0s 0 0 1063.14531 0 55 1074.00000 1063.14531 1.01% - 0s 0 0 1063.17340 0 54 1074.00000 1063.17340 1.01% - 0s 0 0 1063.17662 0 59 1074.00000 1063.17662 1.01% - 0s 0 0 1063.17662 0 61 1074.00000 1063.17662 1.01% - 0s 0 0 1063.19228 0 57 1074.00000 1063.19228 1.01% - 0s 0 0 1063.19228 0 59 1074.00000 1063.19228 1.01% - 0s 0 0 1063.22568 0 52 1074.00000 1063.22568 1.00% - 0s 0 0 1063.22668 0 57 1074.00000 1063.22668 1.00% - 0s 0 0 1063.22899 0 57 1074.00000 1063.22899 1.00% - 0s 0 0 1063.23144 0 55 1074.00000 1063.23144 1.00% - 0s 0 0 1063.23248 0 58 1074.00000 1063.23248 1.00% - 0s 0 0 1063.23293 0 55 1074.00000 1063.23293 1.00% - 1s 0 0 1063.23293 0 55 1074.00000 1063.23293 1.00% - 1s 0 2 1063.23624 0 54 1074.00000 1063.23624 1.00% - 1s Cutting planes: Gomory: 4 Zero half: 12 Mod-K: 1 Explored 794 nodes (6942 simplex iterations) in 2.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 10), (9, 12), (10, 11), (11, 14), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 466 rows, 528 columns and 46267 nonzeros Presolve time: 0.02s Presolved: 466 rows, 528 columns, 46267 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.00000 0 33 1075.00000 1062.00000 1.21% - 0s 0 0 1062.00000 0 10 1075.00000 1062.00000 1.21% - 0s 0 0 1062.28750 0 33 1075.00000 1062.28750 1.18% - 0s 0 0 1062.61511 0 46 1075.00000 1062.61511 1.15% - 0s 0 0 1062.61511 0 52 1075.00000 1062.61511 1.15% - 0s 0 0 1062.61511 0 50 1075.00000 1062.61511 1.15% - 0s 0 0 1062.61511 0 53 1075.00000 1062.61511 1.15% - 0s 0 0 1062.64925 0 41 1075.00000 1062.64925 1.15% - 0s 0 0 1062.64925 0 47 1075.00000 1062.64925 1.15% - 0s 0 0 1062.64925 0 45 1075.00000 1062.64925 1.15% - 0s 0 0 1062.64925 0 46 1075.00000 1062.64925 1.15% - 0s 0 0 1062.64925 0 49 1075.00000 1062.64925 1.15% - 0s 0 0 1062.64925 0 53 1075.00000 1062.64925 1.15% - 0s 0 0 1062.64925 0 53 1075.00000 1062.64925 1.15% - 0s 0 2 1062.66502 0 53 1075.00000 1062.66502 1.15% - 0s * 155 54 6 1074.0000000 1065.00000 0.84% 6.7 1s Cutting planes: Gomory: 2 Zero half: 10 Explored 850 nodes (7068 simplex iterations) in 1.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (12, 14), (17, 28), (17, 29), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 27), (27, 28), (29, 30)] Optimize a model with 467 rows, 528 columns and 46477 nonzeros Presolve time: 0.02s Presolved: 467 rows, 528 columns, 46477 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1082.0000000 1062.00000 1.85% - 0s 0 0 1062.00000 0 14 1082.00000 1062.00000 1.85% - 0s 0 0 1062.00000 0 12 1082.00000 1062.00000 1.85% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.50000 0 10 1078.00000 1062.50000 1.44% - 0s 0 0 1062.89553 0 47 1078.00000 1062.89553 1.40% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 2 1063.03082 0 15 1078.00000 1063.03082 1.39% - 0s * 51 28 44 1075.0000000 1063.50000 1.07% 7.8 0s * 82 40 28 1074.0000000 1064.08000 0.92% 7.2 0s Cutting planes: Gomory: 6 Zero half: 5 Explored 718 nodes (6029 simplex iterations) in 1.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 11), (7, 10), (9, 33), (9, 10), (11, 19), (12, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 468 rows, 528 columns and 46648 nonzeros Presolve time: 0.02s Presolved: 468 rows, 528 columns, 46648 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s 0 0 1062.07099 0 45 - 1062.07099 - - 0s H 0 0 1246.0000000 1062.07099 14.8% - 0s H 0 0 1111.0000000 1062.07099 4.40% - 0s H 0 0 1078.0000000 1062.07099 1.48% - 0s 0 0 1062.07099 0 49 1078.00000 1062.07099 1.48% - 0s 0 0 1062.07099 0 10 1078.00000 1062.07099 1.48% - 0s 0 0 1062.52330 0 44 1078.00000 1062.52330 1.44% - 0s 0 0 1062.96875 0 28 1078.00000 1062.96875 1.39% - 0s 0 0 1063.12159 0 43 1078.00000 1063.12159 1.38% - 0s 0 0 1063.12363 0 48 1078.00000 1063.12363 1.38% - 0s 0 0 1063.13330 0 51 1078.00000 1063.13330 1.38% - 0s 0 0 1063.14729 0 53 1078.00000 1063.14729 1.38% - 0s 0 0 1063.14729 0 56 1078.00000 1063.14729 1.38% - 0s 0 0 1063.18328 0 41 1078.00000 1063.18328 1.37% - 0s 0 0 1063.20183 0 45 1078.00000 1063.20183 1.37% - 0s 0 0 1063.22353 0 40 1078.00000 1063.22353 1.37% - 0s 0 0 1063.22353 0 43 1078.00000 1063.22353 1.37% - 0s 0 0 1063.22353 0 35 1078.00000 1063.22353 1.37% - 0s 0 0 1063.22353 0 37 1078.00000 1063.22353 1.37% - 0s 0 0 1063.22353 0 38 1078.00000 1063.22353 1.37% - 0s 0 0 1063.22353 0 36 1078.00000 1063.22353 1.37% - 0s 0 2 1063.22568 0 36 1078.00000 1063.22568 1.37% - 0s H 54 28 1075.0000000 1063.50801 1.07% 7.3 1s H 108 53 1074.0000000 1063.99349 0.93% 7.4 1s Cutting planes: Gomory: 6 Zero half: 21 Explored 600 nodes (5447 simplex iterations) in 1.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 11), (8, 10), (9, 33), (9, 10), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 469 rows, 528 columns and 46784 nonzeros Presolve time: 0.02s Presolved: 469 rows, 528 columns, 46784 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s 0 0 1062.05471 0 47 - 1062.05471 - - 0s H 0 0 1105.0000000 1062.05471 3.89% - 0s H 0 0 1082.0000000 1062.05471 1.84% - 0s H 0 0 1078.0000000 1062.05471 1.48% - 0s 0 0 1062.05471 0 51 1078.00000 1062.05471 1.48% - 0s 0 0 1062.05471 0 10 1078.00000 1062.05471 1.48% - 0s 0 0 1062.50391 0 38 1078.00000 1062.50391 1.44% - 0s 0 0 1062.69496 0 42 1078.00000 1062.69496 1.42% - 0s 0 0 1062.83720 0 43 1078.00000 1062.83720 1.41% - 0s 0 0 1062.86982 0 44 1078.00000 1062.86982 1.40% - 0s 0 0 1062.86982 0 50 1078.00000 1062.86982 1.40% - 0s 0 0 1062.86982 0 45 1078.00000 1062.86982 1.40% - 0s 0 0 1062.86982 0 46 1078.00000 1062.86982 1.40% - 0s 0 0 1062.86982 0 45 1078.00000 1062.86982 1.40% - 0s 0 0 1062.86982 0 45 1078.00000 1062.86982 1.40% - 0s 0 0 1062.86982 0 46 1078.00000 1062.86982 1.40% - 0s 0 0 1062.86982 0 45 1078.00000 1062.86982 1.40% - 0s 0 2 1062.89174 0 45 1078.00000 1062.89174 1.40% - 1s * 57 29 54 1075.0000000 1063.97610 1.03% 5.7 1s * 95 39 10 1074.0000000 1064.44318 0.89% 7.0 1s Cutting planes: Gomory: 5 Zero half: 18 Explored 775 nodes (6788 simplex iterations) in 1.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(12, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 470 rows, 528 columns and 46875 nonzeros Presolve time: 0.02s Presolved: 470 rows, 528 columns, 46875 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s H 0 0 1237.0000000 1062.00000 14.1% - 0s H 0 0 1106.0000000 1062.00000 3.98% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.00000 0 17 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 10 1078.00000 1062.00000 1.48% - 0s 0 0 1062.16883 0 38 1078.00000 1062.16883 1.47% - 0s 0 0 1062.71910 0 39 1078.00000 1062.71910 1.42% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 2 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s * 50 27 45 1074.0000000 1063.57616 0.97% 9.2 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 795 nodes (6209 simplex iterations) in 1.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 12), (9, 10), (10, 33), (12, 13), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 471 rows, 528 columns and 47011 nonzeros Presolve time: 0.02s Presolved: 471 rows, 528 columns, 47011 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s 0 0 1062.06348 0 47 - 1062.06348 - - 0s H 0 0 1238.0000000 1062.06348 14.2% - 0s H 0 0 1082.0000000 1062.06348 1.84% - 0s H 0 0 1078.0000000 1062.06348 1.48% - 0s 0 0 1062.06348 0 48 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 12 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 14 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 44 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 47 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 48 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 50 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 48 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 51 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 51 1078.00000 1062.06348 1.48% - 0s H 0 0 1075.0000000 1062.06348 1.20% - 0s 0 2 1062.09375 0 51 1075.00000 1062.09375 1.20% - 0s * 31 17 26 1074.0000000 1064.00000 0.93% 10.2 1s Cutting planes: Gomory: 1 Zero half: 6 Explored 832 nodes (6359 simplex iterations) in 1.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 472 rows, 528 columns and 47131 nonzeros Presolve time: 0.02s Presolved: 472 rows, 528 columns, 47131 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s 0 0 1062.06348 0 47 - 1062.06348 - - 0s H 0 0 1170.0000000 1062.06348 9.23% - 0s H 0 0 1082.0000000 1062.06348 1.84% - 0s H 0 0 1078.0000000 1062.06348 1.48% - 0s 0 0 1062.06348 0 51 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 12 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 14 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 46 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 50 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 44 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 48 1078.00000 1062.06348 1.48% - 0s 0 0 1062.06348 0 51 1078.00000 1062.06348 1.48% - 0s 0 0 1062.21875 0 48 1078.00000 1062.21875 1.46% - 0s 0 0 1062.25000 0 16 1078.00000 1062.25000 1.46% - 0s 0 0 1062.25598 0 54 1078.00000 1062.25598 1.46% - 0s 0 0 1062.25598 0 54 1078.00000 1062.25598 1.46% - 0s 0 0 1062.25598 0 57 1078.00000 1062.25598 1.46% - 0s 0 0 1062.33317 0 52 1078.00000 1062.33317 1.45% - 0s 0 0 1062.34425 0 58 1078.00000 1062.34425 1.45% - 0s 0 0 1062.34759 0 58 1078.00000 1062.34759 1.45% - 0s 0 0 1062.48245 0 57 1078.00000 1062.48245 1.44% - 0s 0 0 1062.49220 0 55 1078.00000 1062.49220 1.44% - 0s 0 0 1062.49220 0 57 1078.00000 1062.49220 1.44% - 0s 0 0 1062.49220 0 54 1078.00000 1062.49220 1.44% - 0s 0 0 1062.49220 0 57 1078.00000 1062.49220 1.44% - 0s 0 0 1062.49220 0 55 1078.00000 1062.49220 1.44% - 1s 0 0 1062.49220 0 58 1078.00000 1062.49220 1.44% - 1s 0 0 1062.49220 0 57 1078.00000 1062.49220 1.44% - 1s 0 0 1062.49220 0 55 1078.00000 1062.49220 1.44% - 1s 0 0 1062.49220 0 58 1078.00000 1062.49220 1.44% - 1s H 0 0 1075.0000000 1062.49220 1.16% - 1s 0 2 1062.68685 0 59 1075.00000 1062.68685 1.15% - 1s H 27 11 1074.0000000 1063.52542 0.98% 9.1 1s Cutting planes: Gomory: 1 Zero half: 29 Explored 836 nodes (7959 simplex iterations) in 2.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 11), (9, 10), (9, 13), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 473 rows, 528 columns and 47251 nonzeros Presolve time: 0.02s Presolved: 473 rows, 528 columns, 47251 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.10714 0 36 - 1062.10714 - - 0s 0 0 1062.52727 0 41 - 1062.52727 - - 0s 0 0 1062.71959 0 49 - 1062.71959 - - 0s 0 0 1062.85257 0 49 - 1062.85257 - - 0s 0 0 1062.87681 0 51 - 1062.87681 - - 0s 0 0 1062.88494 0 54 - 1062.88494 - - 0s 0 0 1062.88753 0 56 - 1062.88753 - - 0s 0 0 1062.88759 0 57 - 1062.88759 - - 0s 0 0 1062.90695 0 51 - 1062.90695 - - 0s 0 0 1062.90870 0 46 - 1062.90870 - - 0s 0 0 1062.90894 0 50 - 1062.90894 - - 0s 0 0 1062.91269 0 57 - 1062.91269 - - 0s 0 0 1062.92099 0 57 - 1062.92099 - - 0s 0 0 1062.93939 0 56 - 1062.93939 - - 0s 0 0 1062.94031 0 57 - 1062.94031 - - 0s 0 0 1062.96899 0 46 - 1062.96899 - - 0s H 0 0 1124.0000000 1062.96899 5.43% - 0s H 0 0 1109.0000000 1062.96899 4.15% - 0s 0 0 1062.99971 0 53 1109.00000 1062.99971 4.15% - 0s 0 0 1063.00317 0 58 1109.00000 1063.00317 4.15% - 0s 0 0 1063.04161 0 56 1109.00000 1063.04161 4.14% - 0s 0 0 1063.04194 0 59 1109.00000 1063.04194 4.14% - 0s 0 0 1063.04194 0 58 1109.00000 1063.04194 4.14% - 0s H 0 0 1093.0000000 1063.04194 2.74% - 0s H 0 0 1079.0000000 1063.04194 1.48% - 0s H 0 0 1075.0000000 1063.04194 1.11% - 0s H 0 0 1074.0000000 1063.04194 1.02% - 1s 0 0 1063.04194 0 10 1074.00000 1063.04194 1.02% - 1s 0 0 1063.04194 0 54 1074.00000 1063.04194 1.02% - 1s 0 0 1063.04194 0 55 1074.00000 1063.04194 1.02% - 1s 0 0 1063.04194 0 54 1074.00000 1063.04194 1.02% - 1s 0 0 1063.04194 0 58 1074.00000 1063.04194 1.02% - 1s 0 0 1063.04270 0 60 1074.00000 1063.04270 1.02% - 1s 0 0 1063.04688 0 49 1074.00000 1063.04688 1.02% - 1s 0 0 1063.04688 0 49 1074.00000 1063.04688 1.02% - 1s 0 2 1063.05825 0 49 1074.00000 1063.05825 1.02% - 1s Cutting planes: Gomory: 5 Zero half: 10 Explored 1019 nodes (7477 simplex iterations) in 2.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 13), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (7, 8), (7, 9), (9, 33), (12, 33), (12, 14), (15, 32)] Optimize a model with 475 rows, 528 columns and 47378 nonzeros Presolve time: 0.02s Presolved: 475 rows, 528 columns, 47378 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s 0 0 1062.00000 0 18 - 1062.00000 - - 0s 0 0 1062.00000 0 22 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s H 0 0 1281.0000000 1062.00000 17.1% - 0s H 0 0 1117.0000000 1062.00000 4.92% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.00000 0 19 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 10 1078.00000 1062.00000 1.48% - 0s 0 0 1062.21978 0 30 1078.00000 1062.21978 1.46% - 0s 0 0 1062.22314 0 40 1078.00000 1062.22314 1.46% - 0s 0 0 1062.22314 0 38 1078.00000 1062.22314 1.46% - 0s 0 0 1062.22571 0 38 1078.00000 1062.22571 1.46% - 0s 0 0 1062.22571 0 42 1078.00000 1062.22571 1.46% - 0s 0 0 1062.22571 0 45 1078.00000 1062.22571 1.46% - 0s 0 0 1062.22571 0 47 1078.00000 1062.22571 1.46% - 0s 0 0 1062.22571 0 49 1078.00000 1062.22571 1.46% - 0s 0 2 1062.34876 0 49 1078.00000 1062.34876 1.45% - 0s * 48 30 44 1075.0000000 1063.96154 1.03% 7.0 1s * 75 39 11 1074.0000000 1064.50000 0.88% 9.3 1s Cutting planes: Gomory: 1 Zero half: 12 Explored 855 nodes (7127 simplex iterations) in 1.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (6, 13), (7, 8), (8, 10), (9, 10), (9, 14), (15, 32)] Optimize a model with 477 rows, 528 columns and 47501 nonzeros Presolve time: 0.02s Presolved: 477 rows, 528 columns, 47501 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33854 0 39 - 1062.33854 - - 0s 0 0 1062.80585 0 44 - 1062.80585 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1235.0000000 1063.00000 13.9% - 0s H 0 0 1095.0000000 1063.00000 2.92% - 0s 0 0 1063.00000 0 16 1095.00000 1063.00000 2.92% - 0s 0 0 1063.00000 0 15 1095.00000 1063.00000 2.92% - 0s 0 0 1063.00000 0 10 1095.00000 1063.00000 2.92% - 0s H 0 0 1093.0000000 1063.00000 2.74% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 46 1078.00000 1063.00000 1.39% - 0s 0 2 1063.00000 0 46 1078.00000 1063.00000 1.39% - 0s H 80 20 1076.0000000 1064.48085 1.07% 15.3 2s * 86 17 52 1075.0000000 1064.48085 0.98% 14.7 2s * 90 16 18 1074.0000000 1064.55083 0.88% 15.1 2s Cutting planes: Gomory: 14 Zero half: 1 Explored 1012 nodes (8214 simplex iterations) in 2.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (17, 25), (17, 29), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (29, 30)] adding cut for [(15, 16), (16, 18), (18, 26), (26, 28), (27, 28)] Optimize a model with 479 rows, 528 columns and 47607 nonzeros Presolve time: 0.02s Presolved: 479 rows, 528 columns, 47607 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.52619 0 43 - 1062.52619 - - 0s 0 0 1062.97608 0 42 - 1062.97608 - - 0s 0 0 1062.97608 0 46 - 1062.97608 - - 0s 0 0 1062.97608 0 48 - 1062.97608 - - 0s 0 0 1062.97608 0 49 - 1062.97608 - - 0s 0 0 1063.03243 0 44 - 1063.03243 - - 0s 0 0 1063.03243 0 48 - 1063.03243 - - 0s 0 0 1063.03243 0 50 - 1063.03243 - - 0s H 0 0 1192.0000000 1063.03243 10.8% - 0s H 0 0 1075.0000000 1063.03243 1.11% - 0s 0 0 1063.03243 0 51 1075.00000 1063.03243 1.11% - 0s 0 0 1063.03243 0 10 1075.00000 1063.03243 1.11% - 0s 0 0 1063.03243 0 35 1075.00000 1063.03243 1.11% - 0s 0 0 1063.03243 0 47 1075.00000 1063.03243 1.11% - 0s 0 0 1063.03243 0 51 1075.00000 1063.03243 1.11% - 0s 0 0 1063.08346 0 48 1075.00000 1063.08346 1.11% - 0s 0 0 1063.08588 0 56 1075.00000 1063.08588 1.11% - 0s 0 0 1063.08588 0 54 1075.00000 1063.08588 1.11% - 0s 0 0 1063.08588 0 57 1075.00000 1063.08588 1.11% - 0s 0 0 1063.12694 0 46 1075.00000 1063.12694 1.10% - 0s 0 0 1063.14420 0 56 1075.00000 1063.14420 1.10% - 0s 0 0 1063.14420 0 56 1075.00000 1063.14420 1.10% - 0s 0 2 1063.14982 0 56 1075.00000 1063.14982 1.10% - 1s * 43 17 37 1074.0000000 1063.44842 0.98% 7.8 1s Cutting planes: Gomory: 4 Zero half: 14 Explored 603 nodes (5365 simplex iterations) in 1.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 480 rows, 528 columns and 47685 nonzeros Presolve time: 0.02s Presolved: 480 rows, 528 columns, 47685 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.27027 0 36 1077.00000 1062.27027 1.37% - 0s 0 0 1062.27027 0 10 1077.00000 1062.27027 1.37% - 0s 0 0 1062.51036 0 38 1077.00000 1062.51036 1.35% - 0s H 0 0 1076.0000000 1062.51036 1.25% - 0s 0 0 1062.62218 0 42 1076.00000 1062.62218 1.24% - 0s 0 0 1062.82593 0 38 1076.00000 1062.82593 1.22% - 0s 0 0 1062.82593 0 38 1076.00000 1062.82593 1.22% - 0s 0 0 1062.82593 0 41 1076.00000 1062.82593 1.22% - 0s 0 0 1062.82593 0 45 1076.00000 1062.82593 1.22% - 0s 0 0 1062.83458 0 40 1076.00000 1062.83458 1.22% - 0s 0 0 1062.83458 0 44 1076.00000 1062.83458 1.22% - 0s 0 0 1062.83458 0 40 1076.00000 1062.83458 1.22% - 0s 0 0 1062.83458 0 47 1076.00000 1062.83458 1.22% - 0s 0 0 1062.87416 0 48 1076.00000 1062.87416 1.22% - 0s 0 0 1062.87416 0 51 1076.00000 1062.87416 1.22% - 0s 0 0 1062.87416 0 51 1076.00000 1062.87416 1.22% - 0s 0 0 1062.87416 0 54 1076.00000 1062.87416 1.22% - 0s 0 0 1062.89873 0 49 1076.00000 1062.89873 1.22% - 0s 0 0 1062.90472 0 52 1076.00000 1062.90472 1.22% - 0s 0 0 1062.90472 0 52 1076.00000 1062.90472 1.22% - 0s 0 0 1062.90472 0 55 1076.00000 1062.90472 1.22% - 0s 0 0 1062.97208 0 48 1076.00000 1062.97208 1.21% - 0s 0 0 1062.97722 0 55 1076.00000 1062.97722 1.21% - 0s 0 0 1062.97722 0 57 1076.00000 1062.97722 1.21% - 0s 0 0 1063.00452 0 53 1076.00000 1063.00452 1.21% - 0s 0 0 1063.00452 0 53 1076.00000 1063.00452 1.21% - 0s 0 0 1063.00452 0 56 1076.00000 1063.00452 1.21% - 0s 0 0 1063.00452 0 57 1076.00000 1063.00452 1.21% - 0s H 0 0 1075.0000000 1063.00452 1.12% - 1s 0 2 1063.01007 0 57 1075.00000 1063.01007 1.12% - 1s * 92 50 39 1074.0000000 1064.77961 0.86% 7.6 1s Cutting planes: Gomory: 3 Zero half: 4 Explored 1542 nodes (13069 simplex iterations) in 3.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (9, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 481 rows, 528 columns and 47805 nonzeros Presolve time: 0.02s Presolved: 481 rows, 528 columns, 47805 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.37500 0 35 - 1062.37500 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.07692 0 39 - 1063.07692 - - 0s 0 0 1063.10000 0 43 - 1063.10000 - - 0s 0 0 1063.10204 0 52 - 1063.10204 - - 0s 0 0 1063.10204 0 53 - 1063.10204 - - 0s 0 0 1063.10526 0 53 - 1063.10526 - - 0s 0 0 1063.10526 0 54 - 1063.10526 - - 0s 0 0 1063.16667 0 47 - 1063.16667 - - 0s 0 0 1063.16667 0 53 - 1063.16667 - - 0s 0 0 1063.16667 0 56 - 1063.16667 - - 0s H 0 0 1110.0000000 1063.16667 4.22% - 0s H 0 0 1075.0000000 1063.16667 1.10% - 0s 0 0 1063.20513 0 51 1075.00000 1063.20513 1.10% - 0s 0 0 1063.20513 0 10 1075.00000 1063.20513 1.10% - 0s 0 0 1063.20513 0 49 1075.00000 1063.20513 1.10% - 0s 0 0 1063.20513 0 51 1075.00000 1063.20513 1.10% - 0s 0 0 1063.20513 0 54 1075.00000 1063.20513 1.10% - 0s 0 0 1063.20513 0 54 1075.00000 1063.20513 1.10% - 0s 0 0 1063.20513 0 57 1075.00000 1063.20513 1.10% - 0s 0 0 1063.20513 0 55 1075.00000 1063.20513 1.10% - 0s 0 0 1063.20513 0 58 1075.00000 1063.20513 1.10% - 0s 0 0 1063.28125 0 56 1075.00000 1063.28125 1.09% - 0s 0 0 1063.28125 0 60 1075.00000 1063.28125 1.09% - 0s 0 0 1063.28125 0 58 1075.00000 1063.28125 1.09% - 0s 0 0 1063.28125 0 61 1075.00000 1063.28125 1.09% - 0s 0 0 1063.28125 0 60 1075.00000 1063.28125 1.09% - 0s 0 0 1063.28680 0 55 1075.00000 1063.28680 1.09% - 0s 0 0 1063.28680 0 60 1075.00000 1063.28680 1.09% - 0s 0 0 1063.28680 0 56 1075.00000 1063.28680 1.09% - 0s 0 0 1063.28680 0 61 1075.00000 1063.28680 1.09% - 1s 0 0 1063.29610 0 60 1075.00000 1063.29610 1.09% - 1s 0 2 1063.29872 0 60 1075.00000 1063.29872 1.09% - 1s * 62 31 24 1074.0000000 1064.90909 0.85% 9.4 1s Cutting planes: Gomory: 5 Zero half: 12 Explored 658 nodes (6181 simplex iterations) in 2.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 482 rows, 528 columns and 47910 nonzeros Presolve time: 0.02s Presolved: 482 rows, 528 columns, 47910 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 124 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.48276 0 34 - 1062.48276 - - 0s 0 0 1062.80000 0 34 - 1062.80000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1120.0000000 1063.00000 5.09% - 0s H 0 0 1112.0000000 1063.00000 4.41% - 0s H 0 0 1095.0000000 1063.00000 2.92% - 0s 0 0 1063.00000 0 10 1095.00000 1063.00000 2.92% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 2 1063.09091 0 8 1078.00000 1063.09091 1.38% - 0s H 18 13 1075.0000000 1063.72217 1.05% 0.4 1s * 56 19 31 1074.0000000 1064.33333 0.90% 19.4 1s Cutting planes: Gomory: 11 Zero half: 7 Explored 1019 nodes (8360 simplex iterations) in 2.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 10), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 483 rows, 528 columns and 48046 nonzeros Presolve time: 0.02s Presolved: 483 rows, 528 columns, 48046 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1094.0000000 1062.00000 2.93% - 0s 0 0 1062.40076 0 37 1094.00000 1062.40076 2.89% - 0s 0 0 1062.93808 0 31 1094.00000 1062.93808 2.84% - 0s 0 0 1062.97472 0 40 1094.00000 1062.97472 2.84% - 0s 0 0 1063.00000 0 8 1094.00000 1063.00000 2.83% - 0s 0 0 1063.00000 0 12 1094.00000 1063.00000 2.83% - 0s 0 0 1063.00000 0 14 1094.00000 1063.00000 2.83% - 0s 0 0 1063.00000 0 10 1094.00000 1063.00000 2.83% - 0s 0 0 1063.00000 0 16 1094.00000 1063.00000 2.83% - 0s H 0 0 1083.0000000 1063.00000 1.85% - 0s 0 0 1063.00000 0 14 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 10 1083.00000 1063.00000 1.85% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 34 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.04979 0 45 1078.00000 1063.04979 1.39% - 0s 0 0 1063.04979 0 49 1078.00000 1063.04979 1.39% - 0s 0 0 1063.04979 0 48 1078.00000 1063.04979 1.39% - 0s 0 0 1063.04979 0 52 1078.00000 1063.04979 1.39% - 0s 0 0 1063.05112 0 51 1078.00000 1063.05112 1.39% - 0s 0 0 1063.07665 0 45 1078.00000 1063.07665 1.38% - 0s H 0 0 1076.0000000 1063.07665 1.20% - 0s 0 0 1063.07665 0 48 1076.00000 1063.07665 1.20% - 0s 0 2 1063.36775 0 48 1076.00000 1063.36775 1.17% - 1s * 44 20 21 1074.0000000 1064.69231 0.87% 18.2 2s Cutting planes: Gomory: 8 Zero half: 12 Mod-K: 2 Explored 857 nodes (7358 simplex iterations) in 3.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(11, 13), (11, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (12, 33), (12, 14)] Optimize a model with 485 rows, 528 columns and 48169 nonzeros Presolve time: 0.02s Presolved: 485 rows, 528 columns, 48169 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.37500 0 28 1085.00000 1062.37500 2.09% - 0s 0 0 1062.37500 0 12 1085.00000 1062.37500 2.09% - 0s H 0 0 1078.0000000 1062.37500 1.45% - 0s 0 0 1062.49524 0 39 1078.00000 1062.49524 1.44% - 0s 0 0 1062.81250 0 22 1078.00000 1062.81250 1.41% - 0s 0 2 1063.22222 0 22 1078.00000 1063.22222 1.37% - 0s H 16 11 1075.0000000 1063.39730 1.08% 0.3 1s * 38 18 26 1074.0000000 1064.32192 0.90% 19.3 1s Cutting planes: Gomory: 7 Zero half: 7 Mod-K: 1 Explored 842 nodes (7468 simplex iterations) in 2.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(8, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (6, 13), (7, 10), (9, 33), (9, 10), (12, 33), (12, 14), (15, 32)] Optimize a model with 487 rows, 528 columns and 48290 nonzeros Presolve time: 0.02s Presolved: 487 rows, 528 columns, 48290 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.47679 0 38 - 1062.47679 - - 0s 0 0 1062.89222 0 40 - 1062.89222 - - 0s 0 0 1062.89222 0 40 - 1062.89222 - - 0s 0 0 1062.91984 0 43 - 1062.91984 - - 0s 0 0 1062.91984 0 47 - 1062.91984 - - 0s 0 0 1062.91984 0 44 - 1062.91984 - - 0s 0 0 1062.91984 0 48 - 1062.91984 - - 0s 0 0 1062.97888 0 48 - 1062.97888 - - 0s H 0 0 1154.0000000 1062.97888 7.89% - 0s H 0 0 1108.0000000 1062.97888 4.06% - 0s 0 0 1062.97888 0 52 1108.00000 1062.97888 4.06% - 0s 0 0 1062.97888 0 55 1108.00000 1062.97888 4.06% - 0s 0 0 1063.07151 0 50 1108.00000 1063.07151 4.05% - 0s 0 0 1063.07151 0 56 1108.00000 1063.07151 4.05% - 0s 0 0 1063.07151 0 54 1108.00000 1063.07151 4.05% - 0s H 0 0 1092.0000000 1063.07151 2.65% - 0s 0 0 1063.07151 0 57 1092.00000 1063.07151 2.65% - 0s 0 0 1063.10454 0 38 1092.00000 1063.10454 2.65% - 0s 0 0 1063.10454 0 44 1092.00000 1063.10454 2.65% - 0s 0 0 1063.10454 0 42 1092.00000 1063.10454 2.65% - 0s 0 0 1063.10454 0 43 1092.00000 1063.10454 2.65% - 0s H 0 0 1081.0000000 1063.10454 1.66% - 0s 0 0 1063.10454 0 42 1081.00000 1063.10454 1.66% - 0s 0 0 1063.10454 0 10 1081.00000 1063.10454 1.66% - 1s 0 0 1063.10454 0 48 1081.00000 1063.10454 1.66% - 1s 0 0 1063.10454 0 42 1081.00000 1063.10454 1.66% - 1s 0 0 1063.10454 0 46 1081.00000 1063.10454 1.66% - 1s 0 0 1063.10454 0 44 1081.00000 1063.10454 1.66% - 1s 0 0 1063.10454 0 48 1081.00000 1063.10454 1.66% - 1s 0 0 1063.10454 0 46 1081.00000 1063.10454 1.66% - 1s H 0 0 1079.0000000 1063.10454 1.47% - 1s 0 0 1063.10454 0 50 1079.00000 1063.10454 1.47% - 1s 0 0 1063.11129 0 45 1079.00000 1063.11129 1.47% - 1s 0 0 1063.11129 0 54 1079.00000 1063.11129 1.47% - 1s 0 0 1063.11129 0 52 1079.00000 1063.11129 1.47% - 1s H 0 0 1075.0000000 1063.11129 1.11% - 1s 0 2 1063.11346 0 52 1075.00000 1063.11346 1.11% - 1s H 107 52 1074.0000000 1065.03663 0.83% 8.0 1s Cutting planes: Gomory: 3 Zero half: 12 Explored 738 nodes (6236 simplex iterations) in 2.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(8, 9), (9, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 488 rows, 528 columns and 48368 nonzeros Presolve time: 0.02s Presolved: 488 rows, 528 columns, 48368 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.09785 0 38 - 1062.09785 - - 0s 0 0 1062.19185 0 43 - 1062.19185 - - 0s 0 0 1062.19185 0 43 - 1062.19185 - - 0s 0 0 1062.19185 0 45 - 1062.19185 - - 0s 0 0 1062.19185 0 43 - 1062.19185 - - 0s 0 0 1062.19185 0 49 - 1062.19185 - - 0s 0 0 1062.19185 0 43 - 1062.19185 - - 0s 0 0 1062.19185 0 46 - 1062.19185 - - 0s H 0 0 1208.0000000 1062.19185 12.1% - 0s H 0 0 1075.0000000 1062.19185 1.19% - 0s 0 0 1062.19185 0 47 1075.00000 1062.19185 1.19% - 0s 0 0 1062.19185 0 10 1075.00000 1062.19185 1.19% - 0s 0 0 1062.60839 0 37 1075.00000 1062.60839 1.15% - 0s 0 0 1063.04920 0 47 1075.00000 1063.04920 1.11% - 0s 0 0 1063.05326 0 50 1075.00000 1063.05326 1.11% - 0s 0 0 1063.05326 0 51 1075.00000 1063.05326 1.11% - 0s 0 0 1063.05326 0 51 1075.00000 1063.05326 1.11% - 0s 0 0 1063.05326 0 51 1075.00000 1063.05326 1.11% - 0s 0 0 1063.05326 0 54 1075.00000 1063.05326 1.11% - 0s 0 2 1063.09578 0 54 1075.00000 1063.09578 1.11% - 1s * 148 61 16 1074.0000000 1065.09091 0.83% 7.8 1s Cutting planes: Gomory: 4 Zero half: 4 Explored 715 nodes (6044 simplex iterations) in 1.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(8, 9), (9, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 489 rows, 528 columns and 48473 nonzeros Presolve time: 0.02s Presolved: 489 rows, 528 columns, 48473 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.35091 0 39 - 1062.35091 - - 0s 0 0 1062.76758 0 43 - 1062.76758 - - 0s 0 0 1062.80837 0 43 - 1062.80837 - - 0s 0 0 1062.83779 0 48 - 1062.83779 - - 0s 0 0 1062.91794 0 46 - 1062.91794 - - 0s 0 0 1062.92317 0 26 - 1062.92317 - - 0s 0 0 1062.94835 0 46 - 1062.94835 - - 0s 0 0 1062.97023 0 53 - 1062.97023 - - 0s 0 0 1062.97023 0 54 - 1062.97023 - - 0s 0 0 1063.01091 0 48 - 1063.01091 - - 0s 0 0 1063.01796 0 52 - 1063.01796 - - 0s 0 0 1063.03061 0 54 - 1063.03061 - - 0s 0 0 1063.03061 0 55 - 1063.03061 - - 0s 0 0 1063.05350 0 48 - 1063.05350 - - 0s 0 0 1063.05350 0 54 - 1063.05350 - - 0s 0 0 1063.05350 0 52 - 1063.05350 - - 0s H 0 0 1205.0000000 1063.05350 11.8% - 0s H 0 0 1114.0000000 1063.05350 4.57% - 0s 0 0 1063.05350 0 55 1114.00000 1063.05350 4.57% - 0s 0 0 1063.05561 0 48 1114.00000 1063.05561 4.57% - 0s H 0 0 1109.0000000 1063.05561 4.14% - 0s 0 0 1063.05561 0 54 1109.00000 1063.05561 4.14% - 0s 0 0 1063.05561 0 52 1109.00000 1063.05561 4.14% - 0s H 0 0 1078.0000000 1063.05561 1.39% - 0s H 0 0 1076.0000000 1063.05561 1.20% - 1s 0 0 1063.05561 0 10 1076.00000 1063.05561 1.20% - 1s 0 0 1063.05561 0 48 1076.00000 1063.05561 1.20% - 1s 0 0 1063.05561 0 49 1076.00000 1063.05561 1.20% - 1s 0 0 1063.05561 0 52 1076.00000 1063.05561 1.20% - 1s 0 0 1063.05561 0 56 1076.00000 1063.05561 1.20% - 1s 0 0 1063.11401 0 30 1076.00000 1063.11401 1.20% - 1s 0 0 1063.13111 0 52 1076.00000 1063.13111 1.20% - 1s 0 0 1063.13111 0 55 1076.00000 1063.13111 1.20% - 1s 0 0 1063.13178 0 54 1076.00000 1063.13178 1.20% - 1s H 0 0 1075.0000000 1063.13178 1.10% - 1s H 0 0 1074.0000000 1063.13178 1.01% - 1s 0 2 1063.13302 0 54 1074.00000 1063.13302 1.01% - 1s Cutting planes: Gomory: 4 Zero half: 8 Mod-K: 2 Explored 747 nodes (6526 simplex iterations) in 2.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 11), (9, 10), (9, 12), (11, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 490 rows, 528 columns and 48609 nonzeros Presolve time: 0.02s Presolved: 490 rows, 528 columns, 48609 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.09785 0 38 1075.00000 1062.09785 1.20% - 0s 0 0 1062.09785 0 10 1075.00000 1062.09785 1.20% - 0s 0 0 1062.54649 0 47 1075.00000 1062.54649 1.16% - 0s 0 0 1062.91430 0 49 1075.00000 1062.91430 1.12% - 0s 0 0 1062.97216 0 43 1075.00000 1062.97216 1.12% - 0s 0 0 1062.97638 0 45 1075.00000 1062.97638 1.12% - 0s 0 0 1062.97638 0 45 1075.00000 1062.97638 1.12% - 0s 0 0 1062.97638 0 44 1075.00000 1062.97638 1.12% - 0s 0 0 1062.97638 0 45 1075.00000 1062.97638 1.12% - 0s 0 0 1062.97638 0 48 1075.00000 1062.97638 1.12% - 0s 0 0 1062.98959 0 54 1075.00000 1062.98959 1.12% - 0s 0 0 1062.98959 0 57 1075.00000 1062.98959 1.12% - 0s 0 0 1063.00836 0 49 1075.00000 1063.00836 1.12% - 0s 0 0 1063.00836 0 56 1075.00000 1063.00836 1.12% - 0s 0 0 1063.01618 0 55 1075.00000 1063.01618 1.11% - 0s 0 0 1063.03761 0 55 1075.00000 1063.03761 1.11% - 0s 0 0 1063.04877 0 53 1075.00000 1063.04877 1.11% - 0s 0 0 1063.04877 0 56 1075.00000 1063.04877 1.11% - 0s 0 0 1063.08624 0 45 1075.00000 1063.08624 1.11% - 0s 0 0 1063.08795 0 47 1075.00000 1063.08795 1.11% - 0s 0 0 1063.09475 0 56 1075.00000 1063.09475 1.11% - 0s 0 0 1063.09475 0 58 1075.00000 1063.09475 1.11% - 0s 0 0 1063.09810 0 59 1075.00000 1063.09810 1.11% - 0s 0 0 1063.09811 0 60 1075.00000 1063.09811 1.11% - 0s 0 0 1063.09916 0 61 1075.00000 1063.09916 1.11% - 0s 0 0 1063.09916 0 61 1075.00000 1063.09916 1.11% - 0s 0 0 1063.09916 0 61 1075.00000 1063.09916 1.11% - 1s 0 2 1063.09931 0 61 1075.00000 1063.09931 1.11% - 1s * 39 13 38 1074.0000000 1063.89806 0.94% 9.1 1s Cutting planes: Gomory: 7 Zero half: 19 Explored 653 nodes (5910 simplex iterations) in 2.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 10), (6, 11), (9, 10), (9, 14), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 491 rows, 528 columns and 48762 nonzeros Presolve time: 0.02s Presolved: 491 rows, 528 columns, 48762 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.35091 0 39 - 1062.35091 - - 0s 0 0 1062.76758 0 43 - 1062.76758 - - 0s 0 0 1062.80837 0 43 - 1062.80837 - - 0s 0 0 1062.83779 0 48 - 1062.83779 - - 0s 0 0 1062.91794 0 46 - 1062.91794 - - 0s 0 0 1062.92317 0 26 - 1062.92317 - - 0s 0 0 1062.94835 0 46 - 1062.94835 - - 0s 0 0 1062.97023 0 53 - 1062.97023 - - 0s 0 0 1062.97023 0 54 - 1062.97023 - - 0s 0 0 1063.01091 0 48 - 1063.01091 - - 0s 0 0 1063.01796 0 52 - 1063.01796 - - 0s 0 0 1063.03061 0 54 - 1063.03061 - - 0s 0 0 1063.03061 0 55 - 1063.03061 - - 0s 0 0 1063.05350 0 48 - 1063.05350 - - 0s 0 0 1063.05350 0 54 - 1063.05350 - - 0s 0 0 1063.05350 0 52 - 1063.05350 - - 0s H 0 0 1179.0000000 1063.05350 9.83% - 0s H 0 0 1114.0000000 1063.05350 4.57% - 0s 0 0 1063.05350 0 55 1114.00000 1063.05350 4.57% - 0s 0 0 1063.05561 0 48 1114.00000 1063.05561 4.57% - 0s 0 0 1063.05561 0 52 1114.00000 1063.05561 4.57% - 0s H 0 0 1078.0000000 1063.05561 1.39% - 0s H 0 0 1075.0000000 1063.05561 1.11% - 0s 0 0 1063.05561 0 10 1075.00000 1063.05561 1.11% - 1s 0 0 1063.05561 0 40 1075.00000 1063.05561 1.11% - 1s 0 0 1063.05561 0 48 1075.00000 1063.05561 1.11% - 1s 0 0 1063.05561 0 52 1075.00000 1063.05561 1.11% - 1s 0 0 1063.05561 0 55 1075.00000 1063.05561 1.11% - 1s 0 0 1063.05561 0 50 1075.00000 1063.05561 1.11% - 1s 0 0 1063.05561 0 53 1075.00000 1063.05561 1.11% - 1s 0 0 1063.05561 0 53 1075.00000 1063.05561 1.11% - 1s 0 0 1063.05561 0 53 1075.00000 1063.05561 1.11% - 1s 0 2 1063.05766 0 53 1075.00000 1063.05766 1.11% - 1s * 98 32 14 1074.0000000 1065.00000 0.84% 9.9 1s Cutting planes: Gomory: 5 Zero half: 7 Mod-K: 1 Explored 604 nodes (5673 simplex iterations) in 2.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 14), (6, 12), (6, 13), (7, 10), (7, 12), (9, 10), (9, 33), (11, 19), (11, 33), (13, 14), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 492 rows, 528 columns and 49038 nonzeros Presolve time: 0.02s Presolved: 492 rows, 528 columns, 49038 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1083.0000000 1062.00000 1.94% - 0s 0 0 1062.13376 0 39 1083.00000 1062.13376 1.93% - 0s 0 0 1062.13376 0 10 1083.00000 1062.13376 1.93% - 0s H 0 0 1078.0000000 1062.13376 1.47% - 0s 0 0 1062.35171 0 33 1078.00000 1062.35171 1.45% - 0s 0 0 1062.90393 0 39 1078.00000 1062.90393 1.40% - 0s 0 0 1062.93141 0 49 1078.00000 1062.93141 1.40% - 0s 0 0 1062.95712 0 53 1078.00000 1062.95712 1.40% - 0s 0 0 1062.95712 0 51 1078.00000 1062.95712 1.40% - 0s 0 0 1062.95712 0 54 1078.00000 1062.95712 1.40% - 0s 0 0 1063.05208 0 53 1078.00000 1063.05208 1.39% - 0s 0 0 1063.05809 0 55 1078.00000 1063.05809 1.39% - 0s 0 0 1063.07718 0 54 1078.00000 1063.07718 1.38% - 0s 0 0 1063.08435 0 56 1078.00000 1063.08435 1.38% - 0s 0 0 1063.10543 0 54 1078.00000 1063.10543 1.38% - 0s 0 0 1063.10737 0 53 1078.00000 1063.10737 1.38% - 0s 0 0 1063.10737 0 56 1078.00000 1063.10737 1.38% - 0s 0 0 1063.10975 0 57 1078.00000 1063.10975 1.38% - 0s 0 0 1063.10975 0 58 1078.00000 1063.10975 1.38% - 0s 0 0 1063.10975 0 57 1078.00000 1063.10975 1.38% - 0s H 0 0 1075.0000000 1063.10975 1.11% - 0s 0 2 1063.12473 0 56 1075.00000 1063.12473 1.10% - 1s * 421 185 12 1074.0000000 1067.85714 0.57% 7.7 1s Cutting planes: Gomory: 3 Zero half: 8 Explored 1167 nodes (10031 simplex iterations) in 3.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(12, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 493 rows, 528 columns and 49104 nonzeros Presolve time: 0.02s Presolved: 493 rows, 528 columns, 49104 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33333 0 36 - 1062.33333 - - 0s 0 0 1062.33333 0 40 - 1062.33333 - - 0s 0 0 1062.81865 0 44 - 1062.81865 - - 0s 0 0 1062.84103 0 50 - 1062.84103 - - 0s 0 0 1062.84103 0 52 - 1062.84103 - - 0s 0 0 1062.88558 0 56 - 1062.88558 - - 0s 0 0 1062.94083 0 51 - 1062.94083 - - 0s 0 0 1062.94083 0 55 - 1062.94083 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00757 0 58 - 1063.00757 - - 0s 0 0 1063.01739 0 58 - 1063.01739 - - 0s 0 0 1063.03260 0 59 - 1063.03260 - - 0s 0 0 1063.04555 0 58 - 1063.04555 - - 0s H 0 0 1210.0000000 1063.04555 12.1% - 0s H 0 0 1102.0000000 1063.04555 3.53% - 0s 0 0 1063.06724 0 55 1102.00000 1063.06724 3.53% - 0s 0 0 1063.06913 0 54 1102.00000 1063.06913 3.53% - 0s 0 0 1063.06913 0 54 1102.00000 1063.06913 3.53% - 0s H 0 0 1087.0000000 1063.06913 2.20% - 0s H 0 0 1082.0000000 1063.06913 1.75% - 0s H 0 0 1075.0000000 1063.06913 1.11% - 0s 0 0 1063.06913 0 10 1075.00000 1063.06913 1.11% - 0s 0 0 1063.06913 0 46 1075.00000 1063.06913 1.11% - 0s 0 0 1063.06913 0 54 1075.00000 1063.06913 1.11% - 0s 0 0 1063.06913 0 54 1075.00000 1063.06913 1.11% - 0s 0 0 1063.06913 0 54 1075.00000 1063.06913 1.11% - 1s 0 2 1063.12636 0 54 1075.00000 1063.12636 1.10% - 1s H 158 70 1074.0000000 1065.00000 0.84% 8.0 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 790 nodes (6490 simplex iterations) in 2.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(13, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 495 rows, 528 columns and 49225 nonzeros Presolve time: 0.02s Presolved: 495 rows, 528 columns, 49225 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.28497 0 39 - 1062.28497 - - 0s 0 0 1062.38576 0 43 - 1062.38576 - - 0s 0 0 1062.71043 0 37 - 1062.71043 - - 0s 0 0 1062.79458 0 51 - 1062.79458 - - 0s 0 0 1062.79458 0 52 - 1062.79458 - - 0s 0 0 1062.87082 0 55 - 1062.87082 - - 0s 0 0 1062.89337 0 55 - 1062.89337 - - 0s 0 0 1063.00000 0 28 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s H 0 0 1125.0000000 1063.00000 5.51% - 0s H 0 0 1093.0000000 1063.00000 2.74% - 0s 0 0 1063.00000 0 14 1093.00000 1063.00000 2.74% - 0s 0 0 1063.00000 0 14 1093.00000 1063.00000 2.74% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 30 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 19 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00000 0 14 1077.00000 1063.00000 1.30% - 1s * 77 41 48 1075.0000000 1063.57471 1.06% 8.1 1s H 80 33 1074.0000000 1063.57471 0.97% 7.8 1s Cutting planes: Gomory: 2 Zero half: 5 Explored 776 nodes (7026 simplex iterations) in 2.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 13), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 496 rows, 528 columns and 49316 nonzeros Presolve time: 0.02s Presolved: 496 rows, 528 columns, 49316 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.27027 0 36 1079.00000 1062.27027 1.55% - 0s 0 0 1062.27027 0 10 1079.00000 1062.27027 1.55% - 0s 0 0 1062.27027 0 36 1079.00000 1062.27027 1.55% - 0s H 0 0 1078.0000000 1062.27027 1.46% - 0s 0 0 1062.88552 0 44 1078.00000 1062.88552 1.40% - 0s 0 0 1062.99674 0 46 1078.00000 1062.99674 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 23 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 20 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 2 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s H 27 22 1077.0000000 1063.56557 1.25% 10.0 1s H 54 32 1076.0000000 1063.57031 1.16% 8.5 1s * 134 77 18 1075.0000000 1064.36364 0.99% 8.2 1s * 265 118 16 1074.0000000 1066.60000 0.69% 8.3 1s Cutting planes: Gomory: 5 Zero half: 4 Explored 1058 nodes (8639 simplex iterations) in 2.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 27), (27, 28), (28, 29)] Optimize a model with 497 rows, 528 columns and 49452 nonzeros Presolve time: 0.02s Presolved: 497 rows, 528 columns, 49452 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.22222 0 35 - 1062.22222 - - 0s 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.87664 0 47 - 1062.87664 - - 0s 0 0 1062.87664 0 49 - 1062.87664 - - 0s 0 0 1062.87664 0 50 - 1062.87664 - - 0s 0 0 1063.01702 0 47 - 1063.01702 - - 0s 0 0 1063.01702 0 51 - 1063.01702 - - 0s 0 0 1063.01702 0 53 - 1063.01702 - - 0s H 0 0 1356.0000000 1063.01702 21.6% - 0s H 0 0 1093.0000000 1063.01702 2.74% - 0s H 0 0 1080.0000000 1063.01702 1.57% - 0s 0 0 1063.01702 0 54 1080.00000 1063.01702 1.57% - 0s 0 0 1063.01702 0 10 1080.00000 1063.01702 1.57% - 0s 0 0 1063.01702 0 16 1080.00000 1063.01702 1.57% - 0s H 0 0 1078.0000000 1063.01702 1.39% - 0s 0 0 1063.01702 0 17 1078.00000 1063.01702 1.39% - 0s 0 0 1063.01702 0 46 1078.00000 1063.01702 1.39% - 0s 0 0 1063.01702 0 49 1078.00000 1063.01702 1.39% - 0s 0 0 1063.01702 0 50 1078.00000 1063.01702 1.39% - 0s 0 0 1063.01702 0 52 1078.00000 1063.01702 1.39% - 0s 0 0 1063.01702 0 49 1078.00000 1063.01702 1.39% - 0s 0 0 1063.01702 0 50 1078.00000 1063.01702 1.39% - 0s 0 2 1063.02296 0 50 1078.00000 1063.02296 1.39% - 1s * 59 27 53 1076.0000000 1064.00000 1.12% 5.3 1s H 89 42 1075.0000000 1064.60000 0.97% 5.3 1s * 175 79 19 1074.0000000 1066.00000 0.74% 7.3 1s Cutting planes: Gomory: 2 Zero half: 13 Explored 741 nodes (5742 simplex iterations) in 2.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 12), (11, 19), (12, 13), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 10), (10, 33), (14, 33), (15, 32)] Optimize a model with 499 rows, 528 columns and 49579 nonzeros Presolve time: 0.02s Presolved: 499 rows, 528 columns, 49579 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.56897 0 46 - 1062.56897 - - 0s 0 0 1062.83610 0 40 - 1062.83610 - - 0s 0 0 1062.96436 0 44 - 1062.96436 - - 0s 0 0 1062.96436 0 46 - 1062.96436 - - 0s 0 0 1062.96436 0 48 - 1062.96436 - - 0s 0 0 1062.96436 0 47 - 1062.96436 - - 0s 0 0 1062.96436 0 51 - 1062.96436 - - 0s H 0 0 1213.0000000 1062.96436 12.4% - 0s H 0 0 1090.0000000 1062.96436 2.48% - 0s 0 0 1062.99034 0 53 1090.00000 1062.99034 2.48% - 0s 0 0 1062.99108 0 55 1090.00000 1062.99108 2.48% - 0s H 0 0 1080.0000000 1062.99108 1.57% - 0s 0 0 1063.08226 0 56 1080.00000 1063.08226 1.57% - 0s 0 0 1063.08226 0 10 1080.00000 1063.08226 1.57% - 0s H 0 0 1078.0000000 1063.08226 1.38% - 0s 0 0 1063.08226 0 40 1078.00000 1063.08226 1.38% - 0s 0 0 1063.08226 0 44 1078.00000 1063.08226 1.38% - 0s 0 0 1063.09165 0 55 1078.00000 1063.09165 1.38% - 0s 0 0 1063.09165 0 57 1078.00000 1063.09165 1.38% - 0s 0 0 1063.13054 0 57 1078.00000 1063.13054 1.38% - 0s 0 0 1063.13417 0 60 1078.00000 1063.13417 1.38% - 0s 0 0 1063.13417 0 61 1078.00000 1063.13417 1.38% - 0s 0 0 1063.13417 0 62 1078.00000 1063.13417 1.38% - 0s 0 0 1063.14052 0 50 1078.00000 1063.14052 1.38% - 0s 0 0 1063.15274 0 57 1078.00000 1063.15274 1.38% - 0s 0 0 1063.16460 0 58 1078.00000 1063.16460 1.38% - 0s 0 0 1063.17573 0 61 1078.00000 1063.17573 1.38% - 0s 0 0 1063.22366 0 66 1078.00000 1063.22366 1.37% - 0s 0 0 1063.22366 0 68 1078.00000 1063.22366 1.37% - 1s 0 0 1063.22366 0 67 1078.00000 1063.22366 1.37% - 1s 0 0 1063.22366 0 69 1078.00000 1063.22366 1.37% - 1s 0 0 1063.24002 0 63 1078.00000 1063.24002 1.37% - 1s 0 0 1063.24068 0 63 1078.00000 1063.24068 1.37% - 1s 0 0 1063.24195 0 68 1078.00000 1063.24195 1.37% - 1s 0 0 1063.24590 0 62 1078.00000 1063.24590 1.37% - 1s 0 0 1063.24590 0 64 1078.00000 1063.24590 1.37% - 1s 0 0 1063.24590 0 64 1078.00000 1063.24590 1.37% - 1s 0 0 1063.24590 0 66 1078.00000 1063.24590 1.37% - 1s 0 0 1063.24590 0 66 1078.00000 1063.24590 1.37% - 1s H 0 0 1075.0000000 1063.24590 1.09% - 1s 0 2 1063.24929 0 66 1075.00000 1063.24929 1.09% - 1s * 128 61 35 1074.0000000 1065.40000 0.80% 7.9 2s Cutting planes: Gomory: 5 Zero half: 11 Explored 657 nodes (5888 simplex iterations) in 2.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 8), (6, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 500 rows, 528 columns and 49657 nonzeros Presolve time: 0.02s Presolved: 500 rows, 528 columns, 49657 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.03252 0 37 - 1063.03252 - - 0s 0 0 1063.18343 0 39 - 1063.18343 - - 0s 0 0 1063.31111 0 43 - 1063.31111 - - 0s 0 0 1063.38095 0 44 - 1063.38095 - - 0s 0 0 1063.38095 0 42 - 1063.38095 - - 0s 0 0 1063.38095 0 46 - 1063.38095 - - 0s 0 0 1063.38095 0 42 - 1063.38095 - - 0s 0 0 1063.38095 0 46 - 1063.38095 - - 0s 0 0 1063.38889 0 41 - 1063.38889 - - 0s 0 0 1063.39639 0 54 - 1063.39639 - - 0s 0 0 1063.39639 0 52 - 1063.39639 - - 0s 0 0 1063.39639 0 55 - 1063.39639 - - 0s 0 0 1063.43537 0 49 - 1063.43537 - - 0s H 0 0 1199.0000000 1063.43537 11.3% - 0s H 0 0 1120.0000000 1063.43537 5.05% - 0s H 0 0 1078.0000000 1063.43537 1.35% - 0s 0 0 1063.43537 0 55 1078.00000 1063.43537 1.35% - 0s 0 0 1063.43537 0 10 1078.00000 1063.43537 1.35% - 0s 0 0 1063.43537 0 34 1078.00000 1063.43537 1.35% - 0s 0 0 1063.43537 0 30 1078.00000 1063.43537 1.35% - 0s 0 0 1063.59259 0 36 1078.00000 1063.59259 1.34% - 0s 0 0 1063.61004 0 50 1078.00000 1063.61004 1.33% - 0s 0 0 1063.66932 0 51 1078.00000 1063.66932 1.33% - 0s 0 0 1063.66932 0 48 1078.00000 1063.66932 1.33% - 0s 0 0 1063.66932 0 54 1078.00000 1063.66932 1.33% - 0s 0 0 1063.66932 0 49 1078.00000 1063.66932 1.33% - 0s 0 0 1063.66932 0 52 1078.00000 1063.66932 1.33% - 0s 0 0 1063.66932 0 52 1078.00000 1063.66932 1.33% - 0s 0 0 1063.66932 0 55 1078.00000 1063.66932 1.33% - 0s 0 0 1063.66932 0 55 1078.00000 1063.66932 1.33% - 1s H 0 0 1076.0000000 1063.66932 1.15% - 1s 0 2 1063.66932 0 55 1076.00000 1063.66932 1.15% - 1s H 27 17 1075.0000000 1063.93069 1.03% 13.2 1s * 177 103 12 1074.0000000 1064.50307 0.88% 7.7 1s Cutting planes: Gomory: 8 Zero half: 9 Explored 818 nodes (7875 simplex iterations) in 2.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 11), (11, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 10), (9, 33), (9, 10), (12, 33), (12, 14)] Optimize a model with 502 rows, 528 columns and 49790 nonzeros Presolve time: 0.03s Presolved: 502 rows, 528 columns, 49790 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.14582 0 46 1085.00000 1062.14582 2.11% - 0s 0 0 1062.14582 0 10 1085.00000 1062.14582 2.11% - 0s H 0 0 1080.0000000 1062.14582 1.65% - 0s H 0 0 1078.0000000 1062.14582 1.47% - 0s 0 0 1062.28531 0 39 1078.00000 1062.28531 1.46% - 0s 0 0 1062.86706 0 42 1078.00000 1062.86706 1.40% - 0s 0 0 1062.91003 0 43 1078.00000 1062.91003 1.40% - 0s 0 0 1062.91003 0 47 1078.00000 1062.91003 1.40% - 0s 0 0 1062.91003 0 45 1078.00000 1062.91003 1.40% - 0s 0 0 1062.91003 0 49 1078.00000 1062.91003 1.40% - 0s 0 0 1062.91003 0 46 1078.00000 1062.91003 1.40% - 0s 0 0 1062.91003 0 50 1078.00000 1062.91003 1.40% - 0s 0 0 1062.93910 0 46 1078.00000 1062.93910 1.40% - 0s 0 0 1062.95350 0 49 1078.00000 1062.95350 1.40% - 0s 0 0 1062.96036 0 43 1078.00000 1062.96036 1.40% - 0s 0 0 1062.96744 0 49 1078.00000 1062.96744 1.39% - 0s 0 0 1062.96985 0 52 1078.00000 1062.96985 1.39% - 0s 0 0 1062.96985 0 53 1078.00000 1062.96985 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.03546 0 58 1078.00000 1063.03546 1.39% - 0s 0 0 1063.08621 0 51 1078.00000 1063.08621 1.38% - 0s 0 0 1063.08826 0 61 1078.00000 1063.08826 1.38% - 0s 0 0 1063.08826 0 62 1078.00000 1063.08826 1.38% - 0s 0 0 1063.08826 0 62 1078.00000 1063.08826 1.38% - 0s 0 0 1063.12309 0 52 1078.00000 1063.12309 1.38% - 0s 0 0 1063.13249 0 56 1078.00000 1063.13249 1.38% - 0s 0 0 1063.13280 0 58 1078.00000 1063.13280 1.38% - 0s 0 0 1063.13292 0 60 1078.00000 1063.13292 1.38% - 0s 0 0 1063.13292 0 58 1078.00000 1063.13292 1.38% - 1s H 0 0 1075.0000000 1063.13292 1.10% - 1s 0 2 1063.13582 0 58 1075.00000 1063.13582 1.10% - 1s * 212 112 14 1074.0000000 1065.28571 0.81% 7.5 1s Cutting planes: Gomory: 5 Zero half: 23 Explored 1175 nodes (9432 simplex iterations) in 2.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 503 rows, 528 columns and 49881 nonzeros Presolve time: 0.03s Presolved: 503 rows, 528 columns, 49881 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.01667 0 40 1075.00000 1062.01667 1.21% - 0s 0 0 1062.01667 0 10 1075.00000 1062.01667 1.21% - 0s 0 0 1062.37209 0 36 1075.00000 1062.37209 1.17% - 0s 0 0 1062.50000 0 14 1075.00000 1062.50000 1.16% - 0s 0 0 1062.76847 0 38 1075.00000 1062.76847 1.14% - 0s 0 0 1062.76847 0 42 1075.00000 1062.76847 1.14% - 0s 0 0 1062.76847 0 42 1075.00000 1062.76847 1.14% - 0s 0 0 1062.76847 0 42 1075.00000 1062.76847 1.14% - 0s 0 0 1062.76847 0 42 1075.00000 1062.76847 1.14% - 0s 0 0 1062.76847 0 42 1075.00000 1062.76847 1.14% - 0s 0 2 1062.78125 0 42 1075.00000 1062.78125 1.14% - 0s * 204 85 13 1074.0000000 1065.00000 0.84% 7.9 1s Cutting planes: Gomory: 3 Zero half: 1 Explored 1025 nodes (7916 simplex iterations) in 1.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 33), (11, 33), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 504 rows, 528 columns and 50001 nonzeros Presolve time: 0.03s Presolved: 504 rows, 528 columns, 50001 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.45962 0 39 - 1062.45962 - - 0s 0 0 1062.78654 0 31 - 1062.78654 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1222.0000000 1063.00000 13.0% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 15 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 34 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 36 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 15 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 19 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 20 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 20 1080.00000 1063.00000 1.57% - 0s 0 2 1063.00000 0 20 1080.00000 1063.00000 1.57% - 0s H 27 20 1078.0000000 1063.32005 1.36% 8.0 1s * 97 56 43 1076.0000000 1064.69697 1.05% 5.6 1s H 108 41 1074.0000000 1065.56767 0.79% 6.2 1s Cutting planes: Gomory: 3 Zero half: 3 Explored 1190 nodes (9828 simplex iterations) in 2.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 28), (29, 30)] Optimize a model with 505 rows, 528 columns and 50137 nonzeros Presolve time: 0.03s Presolved: 505 rows, 528 columns, 50137 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s 0 0 1062.00000 0 20 - 1062.00000 - - 0s 0 0 1062.00000 0 21 - 1062.00000 - - 0s 0 0 1062.00000 0 21 - 1062.00000 - - 0s H 0 0 1083.0000000 1062.00000 1.94% - 0s H 0 0 1082.0000000 1062.00000 1.85% - 0s 0 0 1062.00000 0 10 1082.00000 1062.00000 1.85% - 0s H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.35449 0 39 1078.00000 1062.35449 1.45% - 0s 0 0 1062.63352 0 39 1078.00000 1062.63352 1.43% - 0s 0 0 1062.80194 0 36 1078.00000 1062.80194 1.41% - 0s 0 0 1062.83500 0 51 1078.00000 1062.83500 1.41% - 0s 0 0 1062.87072 0 46 1078.00000 1062.87072 1.40% - 0s 0 0 1062.87072 0 50 1078.00000 1062.87072 1.40% - 0s 0 0 1062.87072 0 48 1078.00000 1062.87072 1.40% - 0s 0 0 1062.87072 0 51 1078.00000 1062.87072 1.40% - 0s 0 0 1062.91675 0 44 1078.00000 1062.91675 1.40% - 0s H 0 0 1077.0000000 1062.91675 1.31% - 0s 0 0 1062.92065 0 49 1077.00000 1062.92065 1.31% - 0s 0 0 1062.95556 0 51 1077.00000 1062.95556 1.30% - 0s 0 0 1062.95915 0 56 1077.00000 1062.95915 1.30% - 0s 0 0 1062.98634 0 44 1077.00000 1062.98634 1.30% - 0s 0 0 1062.99157 0 40 1077.00000 1062.99157 1.30% - 0s 0 0 1062.99157 0 39 1077.00000 1062.99157 1.30% - 0s 0 0 1062.99157 0 43 1077.00000 1062.99157 1.30% - 0s 0 0 1062.99157 0 35 1077.00000 1062.99157 1.30% - 1s 0 0 1062.99157 0 41 1077.00000 1062.99157 1.30% - 1s 0 0 1062.99157 0 38 1077.00000 1062.99157 1.30% - 1s 0 0 1062.99157 0 41 1077.00000 1062.99157 1.30% - 1s 0 0 1062.99157 0 42 1077.00000 1062.99157 1.30% - 1s 0 0 1062.99157 0 40 1077.00000 1062.99157 1.30% - 1s H 0 0 1075.0000000 1062.99157 1.12% - 1s 0 2 1063.00000 0 38 1075.00000 1063.00000 1.12% - 1s * 127 58 18 1074.0000000 1064.85714 0.85% 8.6 1s Cutting planes: Gomory: 4 Zero half: 23 Explored 793 nodes (7457 simplex iterations) in 2.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 506 rows, 528 columns and 50215 nonzeros Presolve time: 0.03s Presolved: 506 rows, 528 columns, 50215 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.37409 0 39 - 1062.37409 - - 0s 0 0 1062.84837 0 38 - 1062.84837 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.07689 0 42 - 1063.07689 - - 0s 0 0 1063.07689 0 46 - 1063.07689 - - 0s 0 0 1063.07689 0 42 - 1063.07689 - - 0s 0 0 1063.07689 0 45 - 1063.07689 - - 0s 0 0 1063.07689 0 49 - 1063.07689 - - 0s H 0 0 1094.0000000 1063.07689 2.83% - 0s H 0 0 1080.0000000 1063.07689 1.57% - 0s 0 0 1063.07689 0 10 1080.00000 1063.07689 1.57% - 0s 0 0 1063.07689 0 39 1080.00000 1063.07689 1.57% - 0s 0 0 1063.07689 0 37 1080.00000 1063.07689 1.57% - 0s 0 0 1063.07689 0 14 1080.00000 1063.07689 1.57% - 0s 0 0 1063.07689 0 42 1080.00000 1063.07689 1.57% - 0s 0 0 1063.07689 0 48 1080.00000 1063.07689 1.57% - 0s 0 0 1063.07689 0 44 1080.00000 1063.07689 1.57% - 0s 0 0 1063.07689 0 47 1080.00000 1063.07689 1.57% - 0s H 0 0 1078.0000000 1063.07689 1.38% - 0s 0 0 1063.10175 0 48 1078.00000 1063.10175 1.38% - 0s 0 0 1063.12609 0 43 1078.00000 1063.12609 1.38% - 0s 0 0 1063.12609 0 47 1078.00000 1063.12609 1.38% - 0s 0 0 1063.14878 0 54 1078.00000 1063.14878 1.38% - 0s 0 0 1063.14880 0 59 1078.00000 1063.14880 1.38% - 1s 0 0 1063.17723 0 50 1078.00000 1063.17723 1.38% - 1s 0 0 1063.17730 0 57 1078.00000 1063.17730 1.38% - 1s 0 0 1063.17730 0 55 1078.00000 1063.17730 1.38% - 1s 0 0 1063.17730 0 58 1078.00000 1063.17730 1.38% - 1s 0 0 1063.20506 0 51 1078.00000 1063.20506 1.37% - 1s 0 0 1063.22936 0 44 1078.00000 1063.22936 1.37% - 1s 0 0 1063.23861 0 52 1078.00000 1063.23861 1.37% - 1s 0 0 1063.24426 0 58 1078.00000 1063.24426 1.37% - 1s 0 0 1063.24494 0 59 1078.00000 1063.24494 1.37% - 1s 0 0 1063.25521 0 60 1078.00000 1063.25521 1.37% - 1s 0 0 1063.27220 0 49 1078.00000 1063.27220 1.37% - 1s 0 0 1063.27260 0 55 1078.00000 1063.27260 1.37% - 1s 0 0 1063.27260 0 55 1078.00000 1063.27260 1.37% - 1s 0 0 1063.27260 0 55 1078.00000 1063.27260 1.37% - 1s 0 2 1063.27965 0 55 1078.00000 1063.27965 1.37% - 1s * 85 39 41 1077.0000000 1064.65381 1.15% 8.0 2s * 87 36 40 1076.0000000 1064.65381 1.05% 7.9 2s * 121 49 29 1074.0000000 1065.07692 0.83% 7.9 2s Cutting planes: Gomory: 6 Zero half: 17 Explored 874 nodes (7730 simplex iterations) in 2.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(7, 9), (9, 33), (10, 33), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 507 rows, 528 columns and 50320 nonzeros Presolve time: 0.03s Presolved: 507 rows, 528 columns, 50320 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 123 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.00000 0 14 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 10 1078.00000 1062.00000 1.48% - 0s 0 0 1062.34409 0 39 1078.00000 1062.34409 1.45% - 0s 0 0 1062.86802 0 43 1078.00000 1062.86802 1.40% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 20 1078.00000 1063.00000 1.39% - 0s H 0 0 1075.0000000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s * 40 21 31 1074.0000000 1063.68513 0.96% 9.8 0s Cutting planes: Gomory: 5 Zero half: 2 Explored 766 nodes (6861 simplex iterations) in 1.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(9, 33), (10, 33), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 508 rows, 528 columns and 50411 nonzeros Presolve time: 0.03s Presolved: 508 rows, 528 columns, 50411 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.44032 0 38 1078.00000 1062.44032 1.44% - 0s 0 0 1062.44032 0 10 1078.00000 1062.44032 1.44% - 0s 0 0 1062.44737 0 39 1078.00000 1062.44737 1.44% - 0s 0 0 1062.47813 0 53 1078.00000 1062.47813 1.44% - 0s 0 0 1062.84459 0 40 1078.00000 1062.84459 1.41% - 0s 0 0 1062.92393 0 52 1078.00000 1062.92393 1.40% - 0s 0 0 1062.92393 0 55 1078.00000 1062.92393 1.40% - 0s 0 0 1062.98578 0 48 1078.00000 1062.98578 1.39% - 0s 0 0 1062.98717 0 51 1078.00000 1062.98717 1.39% - 0s 0 0 1063.01408 0 51 1078.00000 1063.01408 1.39% - 0s 0 0 1063.01591 0 54 1078.00000 1063.01591 1.39% - 0s 0 0 1063.01943 0 54 1078.00000 1063.01943 1.39% - 0s 0 0 1063.01943 0 57 1078.00000 1063.01943 1.39% - 0s 0 0 1063.04891 0 55 1078.00000 1063.04891 1.39% - 0s 0 0 1063.04920 0 58 1078.00000 1063.04920 1.39% - 0s 0 0 1063.05656 0 60 1078.00000 1063.05656 1.39% - 0s 0 0 1063.06182 0 57 1078.00000 1063.06182 1.39% - 0s 0 0 1063.06281 0 60 1078.00000 1063.06281 1.39% - 0s 0 0 1063.06281 0 60 1078.00000 1063.06281 1.39% - 0s H 0 0 1075.0000000 1063.06281 1.11% - 0s 0 2 1063.08515 0 60 1075.00000 1063.08515 1.11% - 1s * 154 70 20 1074.0000000 1064.68182 0.87% 6.9 1s Cutting planes: Gomory: 4 Zero half: 10 Explored 1041 nodes (8806 simplex iterations) in 2.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(12, 33), (12, 13), (15, 16), (16, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 509 rows, 528 columns and 50489 nonzeros Presolve time: 0.03s Presolved: 509 rows, 528 columns, 50489 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.23158 0 40 - 1062.23158 - - 0s 0 0 1062.70779 0 34 - 1062.70779 - - 0s 0 0 1062.81444 0 45 - 1062.81444 - - 0s 0 0 1062.81444 0 48 - 1062.81444 - - 0s 0 0 1062.82059 0 41 - 1062.82059 - - 0s 0 0 1062.82059 0 42 - 1062.82059 - - 0s 0 0 1062.82059 0 44 - 1062.82059 - - 0s 0 0 1062.82059 0 42 - 1062.82059 - - 0s 0 0 1062.82059 0 44 - 1062.82059 - - 0s 0 0 1062.82059 0 42 - 1062.82059 - - 0s H 0 0 1075.0000000 1062.82059 1.13% - 0s 0 0 1062.82059 0 10 1075.00000 1062.82059 1.13% - 0s 0 0 1062.82059 0 30 1075.00000 1062.82059 1.13% - 0s 0 0 1062.82059 0 44 1075.00000 1062.82059 1.13% - 0s 0 0 1062.82059 0 42 1075.00000 1062.82059 1.13% - 0s 0 0 1062.82059 0 44 1075.00000 1062.82059 1.13% - 0s 0 0 1062.82434 0 48 1075.00000 1062.82434 1.13% - 0s 0 0 1062.82434 0 51 1075.00000 1062.82434 1.13% - 0s 0 0 1062.87025 0 50 1075.00000 1062.87025 1.13% - 0s 0 0 1062.87592 0 49 1075.00000 1062.87592 1.13% - 0s 0 0 1062.87592 0 53 1075.00000 1062.87592 1.13% - 0s 0 0 1062.87592 0 55 1075.00000 1062.87592 1.13% - 0s 0 0 1062.87592 0 50 1075.00000 1062.87592 1.13% - 1s 0 0 1062.87592 0 53 1075.00000 1062.87592 1.13% - 1s 0 0 1062.87592 0 53 1075.00000 1062.87592 1.13% - 1s 0 0 1062.87592 0 53 1075.00000 1062.87592 1.13% - 1s 0 2 1062.88394 0 53 1075.00000 1062.88394 1.13% - 1s * 231 111 24 1074.0000000 1066.50000 0.70% 7.2 1s Cutting planes: Gomory: 6 Zero half: 9 Explored 921 nodes (7153 simplex iterations) in 2.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (12, 33), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 510 rows, 528 columns and 50594 nonzeros Presolve time: 0.03s Presolved: 510 rows, 528 columns, 50594 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.42832 0 45 - 1062.42832 - - 0s 0 0 1062.69817 0 42 - 1062.69817 - - 0s 0 0 1062.72964 0 46 - 1062.72964 - - 0s 0 0 1062.83254 0 45 - 1062.83254 - - 0s 0 0 1062.83891 0 47 - 1062.83891 - - 0s 0 0 1062.83891 0 44 - 1062.83891 - - 0s 0 0 1062.83891 0 48 - 1062.83891 - - 0s 0 0 1062.89815 0 48 - 1062.89815 - - 0s 0 0 1062.89966 0 56 - 1062.89966 - - 0s 0 0 1062.90152 0 55 - 1062.90152 - - 0s 0 0 1062.91901 0 52 - 1062.91901 - - 0s H 0 0 1219.0000000 1062.91901 12.8% - 0s H 0 0 1089.0000000 1062.91901 2.39% - 0s H 0 0 1078.0000000 1062.91901 1.40% - 0s 0 0 1062.91973 0 57 1078.00000 1062.91973 1.40% - 0s 0 0 1062.91973 0 10 1078.00000 1062.91973 1.40% - 0s 0 0 1062.91973 0 48 1078.00000 1062.91973 1.40% - 0s 0 0 1062.91973 0 45 1078.00000 1062.91973 1.40% - 0s 0 0 1062.91973 0 53 1078.00000 1062.91973 1.40% - 0s 0 0 1062.91973 0 53 1078.00000 1062.91973 1.40% - 0s 0 0 1062.94617 0 48 1078.00000 1062.94617 1.40% - 0s 0 0 1062.94617 0 52 1078.00000 1062.94617 1.40% - 0s 0 0 1062.94617 0 54 1078.00000 1062.94617 1.40% - 0s 0 0 1062.94617 0 55 1078.00000 1062.94617 1.40% - 0s 0 0 1062.98194 0 53 1078.00000 1062.98194 1.39% - 0s 0 0 1062.99174 0 55 1078.00000 1062.99174 1.39% - 0s 0 0 1063.06797 0 60 1078.00000 1063.06797 1.39% - 0s 0 0 1063.08215 0 62 1078.00000 1063.08215 1.38% - 0s 0 0 1063.08215 0 63 1078.00000 1063.08215 1.38% - 0s 0 0 1063.08215 0 64 1078.00000 1063.08215 1.38% - 0s 0 0 1063.12861 0 60 1078.00000 1063.12861 1.38% - 1s 0 0 1063.13224 0 63 1078.00000 1063.13224 1.38% - 1s 0 0 1063.13291 0 62 1078.00000 1063.13291 1.38% - 1s 0 0 1063.13321 0 58 1078.00000 1063.13321 1.38% - 1s 0 0 1063.13444 0 66 1078.00000 1063.13444 1.38% - 1s 0 0 1063.13444 0 65 1078.00000 1063.13444 1.38% - 1s 0 0 1063.13444 0 66 1078.00000 1063.13444 1.38% - 1s 0 0 1063.13444 0 65 1078.00000 1063.13444 1.38% - 1s H 0 0 1075.0000000 1063.13444 1.10% - 1s 0 2 1063.13722 0 65 1075.00000 1063.13722 1.10% - 1s * 160 87 18 1074.0000000 1065.00000 0.84% 7.6 2s Cutting planes: Gomory: 5 Zero half: 27 Explored 1104 nodes (8812 simplex iterations) in 2.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 11), (11, 19), (15, 16), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 511 rows, 528 columns and 50672 nonzeros Presolve time: 0.03s Presolved: 511 rows, 528 columns, 50672 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.34182 0 36 - 1062.34182 - - 0s 0 0 1062.86851 0 32 - 1062.86851 - - 0s 0 0 1062.86851 0 32 - 1062.86851 - - 0s 0 0 1062.91632 0 41 - 1062.91632 - - 0s 0 0 1062.91632 0 39 - 1062.91632 - - 0s 0 0 1062.91632 0 45 - 1062.91632 - - 0s 0 0 1062.91632 0 39 - 1062.91632 - - 0s 0 0 1062.91632 0 39 - 1062.91632 - - 0s 0 0 1062.91632 0 43 - 1062.91632 - - 0s H 0 0 1140.0000000 1062.91632 6.76% - 0s H 0 0 1078.0000000 1062.91632 1.40% - 0s 0 0 1062.91632 0 41 1078.00000 1062.91632 1.40% - 0s 0 0 1062.91632 0 10 1078.00000 1062.91632 1.40% - 0s 0 0 1062.91632 0 43 1078.00000 1062.91632 1.40% - 0s 0 0 1062.91632 0 43 1078.00000 1062.91632 1.40% - 0s 0 0 1062.91632 0 42 1078.00000 1062.91632 1.40% - 0s 0 0 1062.91632 0 46 1078.00000 1062.91632 1.40% - 0s 0 0 1062.93204 0 55 1078.00000 1062.93204 1.40% - 0s 0 0 1063.00251 0 42 1078.00000 1063.00251 1.39% - 0s 0 0 1063.00251 0 46 1078.00000 1063.00251 1.39% - 0s 0 0 1063.00251 0 44 1078.00000 1063.00251 1.39% - 0s 0 0 1063.00251 0 48 1078.00000 1063.00251 1.39% - 0s 0 0 1063.00251 0 52 1078.00000 1063.00251 1.39% - 0s 0 0 1063.00251 0 49 1078.00000 1063.00251 1.39% - 0s 0 0 1063.00251 0 53 1078.00000 1063.00251 1.39% - 0s H 0 0 1075.0000000 1063.00251 1.12% - 1s 0 2 1063.00438 0 53 1075.00000 1063.00438 1.12% - 1s * 165 85 18 1074.0000000 1065.41667 0.80% 7.6 1s Cutting planes: Gomory: 4 Zero half: 7 Explored 831 nodes (6500 simplex iterations) in 2.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (10, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 512 rows, 528 columns and 50763 nonzeros Presolve time: 0.03s Presolved: 512 rows, 528 columns, 50763 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.23529 0 37 - 1062.23529 - - 0s 0 0 1062.74737 0 49 - 1062.74737 - - 0s 0 0 1063.00000 0 37 - 1063.00000 - - 0s 0 0 1063.00000 0 47 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 19 - 1063.00000 - - 0s 0 0 1063.00000 0 30 - 1063.00000 - - 0s H 0 0 1213.0000000 1063.00000 12.4% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 52 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 38 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 38 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 8 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 13 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 24 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 43 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 37 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 42 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00000 0 14 1077.00000 1063.00000 1.30% - 1s * 62 29 59 1076.0000000 1063.47222 1.16% 5.9 1s * 305 187 33 1075.0000000 1064.90000 0.94% 5.3 1s H 600 336 1074.0000000 1065.55556 0.79% 5.9 2s Cutting planes: Gomory: 1 Zero half: 1 Explored 1605 nodes (13105 simplex iterations) in 3.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(10, 11), (10, 12), (11, 19), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 9), (9, 33), (14, 33), (15, 32)] Optimize a model with 514 rows, 528 columns and 50890 nonzeros Presolve time: 0.03s Presolved: 514 rows, 528 columns, 50890 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 39 - 1062.00000 - - 0s 0 0 1062.46218 0 40 - 1062.46218 - - 0s 0 0 1062.46218 0 40 - 1062.46218 - - 0s 0 0 1062.46218 0 42 - 1062.46218 - - 0s 0 0 1062.46218 0 40 - 1062.46218 - - 0s 0 0 1062.46218 0 44 - 1062.46218 - - 0s 0 0 1062.46218 0 46 - 1062.46218 - - 0s 0 0 1062.46218 0 46 - 1062.46218 - - 0s H 0 0 1080.0000000 1062.46218 1.62% - 0s H 0 0 1079.0000000 1062.46218 1.53% - 0s 0 0 1062.46218 0 10 1079.00000 1062.46218 1.53% - 0s 0 0 1062.57177 0 47 1079.00000 1062.57177 1.52% - 0s 0 0 1062.57177 0 50 1079.00000 1062.57177 1.52% - 0s 0 0 1062.57177 0 50 1079.00000 1062.57177 1.52% - 0s 0 0 1062.57177 0 53 1079.00000 1062.57177 1.52% - 0s 0 0 1062.80038 0 48 1079.00000 1062.80038 1.50% - 0s 0 0 1062.82571 0 53 1079.00000 1062.82571 1.50% - 0s 0 0 1062.82886 0 55 1079.00000 1062.82886 1.50% - 0s 0 0 1062.84895 0 60 1079.00000 1062.84895 1.50% - 0s 0 0 1062.85162 0 62 1079.00000 1062.85162 1.50% - 0s 0 0 1062.96818 0 58 1079.00000 1062.96818 1.49% - 0s 0 0 1062.97352 0 59 1079.00000 1062.97352 1.49% - 0s 0 0 1062.97552 0 61 1079.00000 1062.97552 1.49% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00994 0 60 1079.00000 1063.00994 1.48% - 0s 0 0 1063.02612 0 63 1079.00000 1063.02612 1.48% - 0s H 0 0 1075.0000000 1063.02612 1.11% - 1s 0 2 1063.02987 0 63 1075.00000 1063.02987 1.11% - 1s * 317 132 23 1074.0000000 1065.80000 0.76% 9.3 1s Cutting planes: Gomory: 1 Zero half: 19 Explored 994 nodes (9391 simplex iterations) in 2.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(7, 10), (7, 12), (10, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 515 rows, 528 columns and 50995 nonzeros Presolve time: 0.03s Presolved: 515 rows, 528 columns, 50995 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.23529 0 37 - 1062.23529 - - 0s 0 0 1062.74074 0 36 - 1062.74074 - - 0s 0 0 1063.00000 0 37 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 36 - 1063.00000 - - 0s 0 0 1063.00000 0 13 - 1063.00000 - - 0s 0 0 1063.00000 0 30 - 1063.00000 - - 0s 0 0 1063.00000 0 41 - 1063.00000 - - 0s H 0 0 1226.0000000 1063.00000 13.3% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 33 1078.00000 1063.00000 1.39% - 0s H 0 0 1075.0000000 1063.00000 1.12% - 0s 0 0 1063.00000 0 41 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 22 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 8 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 35 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 27 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 23 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 1s 0 0 1063.00000 0 17 1075.00000 1063.00000 1.12% - 1s 0 0 1063.00000 0 31 1075.00000 1063.00000 1.12% - 1s 0 0 1063.00000 0 31 1075.00000 1063.00000 1.12% - 1s 0 2 1063.00000 0 30 1075.00000 1063.00000 1.12% - 1s * 278 162 14 1074.0000000 1064.50000 0.88% 6.1 1s Cutting planes: Gomory: 5 Zero half: 11 Explored 1093 nodes (9993 simplex iterations) in 2.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 9), (9, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 516 rows, 528 columns and 51086 nonzeros Presolve time: 0.03s Presolved: 516 rows, 528 columns, 51086 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.27027 0 36 - 1062.27027 - - 0s 0 0 1062.84768 0 39 - 1062.84768 - - 0s 0 0 1062.88010 0 44 - 1062.88010 - - 0s 0 0 1062.94547 0 46 - 1062.94547 - - 0s 0 0 1062.94547 0 48 - 1062.94547 - - 0s 0 0 1062.94547 0 45 - 1062.94547 - - 0s 0 0 1062.94547 0 46 - 1062.94547 - - 0s 0 0 1062.94547 0 45 - 1062.94547 - - 0s H 0 0 1197.0000000 1062.94547 11.2% - 0s H 0 0 1096.0000000 1062.94547 3.02% - 0s H 0 0 1078.0000000 1062.94547 1.40% - 0s 0 0 1062.94547 0 47 1078.00000 1062.94547 1.40% - 0s 0 0 1062.94547 0 10 1078.00000 1062.94547 1.40% - 0s 0 0 1062.94547 0 36 1078.00000 1062.94547 1.40% - 0s 0 0 1062.94547 0 42 1078.00000 1062.94547 1.40% - 0s 0 0 1062.94547 0 45 1078.00000 1062.94547 1.40% - 0s 0 0 1062.94547 0 53 1078.00000 1062.94547 1.40% - 0s 0 0 1062.95506 0 45 1078.00000 1062.95506 1.40% - 0s 0 0 1062.95506 0 50 1078.00000 1062.95506 1.40% - 0s 0 0 1062.98008 0 55 1078.00000 1062.98008 1.39% - 0s 0 0 1062.98008 0 56 1078.00000 1062.98008 1.39% - 0s 0 0 1062.98008 0 56 1078.00000 1062.98008 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 24 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 1s 0 2 1063.00000 0 15 1078.00000 1063.00000 1.39% - 1s H 27 17 1075.0000000 1063.58571 1.06% 10.1 1s * 71 30 35 1074.0000000 1063.75289 0.95% 8.0 1s Cutting planes: Gomory: 5 Zero half: 13 Explored 554 nodes (5324 simplex iterations) in 1.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(10, 12), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 517 rows, 528 columns and 51164 nonzeros Presolve time: 0.03s Presolved: 517 rows, 528 columns, 51164 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.23529 0 37 - 1062.23529 - - 0s 0 0 1062.77778 0 38 - 1062.77778 - - 0s 0 0 1063.00000 0 36 - 1063.00000 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 35 - 1063.00000 - - 0s H 0 0 1085.0000000 1063.00000 2.03% - 0s 0 0 1063.00000 0 14 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 10 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 46 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 49 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 8 1085.00000 1063.00000 2.03% - 0s H 0 0 1083.0000000 1063.00000 1.85% - 0s 0 0 1063.00000 0 12 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 12 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 15 1083.00000 1063.00000 1.85% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 23 1078.00000 1063.00000 1.39% - 0s 0 2 1063.16667 0 23 1078.00000 1063.16667 1.38% - 1s * 61 20 30 1075.0000000 1064.10151 1.01% 25.8 2s * 290 83 24 1074.0000000 1067.00000 0.65% 12.9 2s Cutting planes: Gomory: 11 Zero half: 4 Explored 850 nodes (8975 simplex iterations) in 3.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (12, 33), (12, 13), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 518 rows, 528 columns and 51269 nonzeros Presolve time: 0.03s Presolved: 518 rows, 528 columns, 51269 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.42342 0 35 - 1062.42342 - - 0s 0 0 1062.42342 0 39 - 1062.42342 - - 0s 0 0 1062.72768 0 49 - 1062.72768 - - 0s 0 0 1062.73100 0 52 - 1062.73100 - - 0s 0 0 1062.87199 0 49 - 1062.87199 - - 0s 0 0 1062.87199 0 53 - 1062.87199 - - 0s 0 0 1062.90530 0 52 - 1062.90530 - - 0s 0 0 1062.90530 0 53 - 1062.90530 - - 0s 0 0 1062.92460 0 54 - 1062.92460 - - 0s 0 0 1062.92460 0 56 - 1062.92460 - - 0s 0 0 1062.93207 0 53 - 1062.93207 - - 0s H 0 0 1410.0000000 1062.93207 24.6% - 0s H 0 0 1092.0000000 1062.93207 2.66% - 0s H 0 0 1078.0000000 1062.93207 1.40% - 0s 0 0 1062.93357 0 56 1078.00000 1062.93357 1.40% - 0s 0 0 1062.93357 0 10 1078.00000 1062.93357 1.40% - 0s H 0 0 1075.0000000 1062.93357 1.12% - 0s 0 0 1062.93357 0 48 1075.00000 1062.93357 1.12% - 0s 0 0 1062.93357 0 52 1075.00000 1062.93357 1.12% - 0s 0 0 1062.93357 0 55 1075.00000 1062.93357 1.12% - 0s 0 0 1062.93859 0 53 1075.00000 1062.93859 1.12% - 0s 0 0 1062.93859 0 53 1075.00000 1062.93859 1.12% - 0s 0 0 1062.93859 0 56 1075.00000 1062.93859 1.12% - 0s 0 0 1062.93859 0 50 1075.00000 1062.93859 1.12% - 0s 0 0 1062.93859 0 54 1075.00000 1062.93859 1.12% - 0s 0 0 1062.93859 0 54 1075.00000 1062.93859 1.12% - 0s 0 2 1062.97002 0 54 1075.00000 1062.97002 1.12% - 1s * 250 84 31 1074.0000000 1067.00000 0.65% 8.4 1s Cutting planes: Gomory: 5 Zero half: 8 Mod-K: 1 Explored 862 nodes (7012 simplex iterations) in 2.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 9), (9, 11), (11, 19), (12, 33), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 519 rows, 528 columns and 51422 nonzeros Presolve time: 0.03s Presolved: 519 rows, 528 columns, 51422 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.40747 0 38 - 1062.40747 - - 0s 0 0 1062.94148 0 46 - 1062.94148 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1226.0000000 1063.00000 13.3% - 0s H 0 0 1102.0000000 1063.00000 3.54% - 0s 0 0 1063.00000 0 12 1102.00000 1063.00000 3.54% - 0s 0 0 1063.00000 0 18 1102.00000 1063.00000 3.54% - 0s 0 0 1063.00000 0 12 1102.00000 1063.00000 3.54% - 0s H 0 0 1088.0000000 1063.00000 2.30% - 0s H 0 0 1086.0000000 1063.00000 2.12% - 0s 0 0 1063.00000 0 10 1086.00000 1063.00000 2.12% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 44 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 2 1063.17979 0 10 1076.00000 1063.17979 1.19% - 0s H 3 3 1075.0000000 1063.17979 1.10% 1.3 1s * 274 78 21 1074.0000000 1066.56472 0.69% 10.0 2s Cutting planes: Gomory: 12 Zero half: 3 Mod-K: 3 Explored 1227 nodes (8903 simplex iterations) in 3.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (17, 28), (17, 29), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 28), (29, 30)] Optimize a model with 520 rows, 528 columns and 51542 nonzeros Presolve time: 0.03s Presolved: 520 rows, 528 columns, 51542 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1082.0000000 1062.00000 1.85% - 0s 0 0 1062.38386 0 39 1082.00000 1062.38386 1.81% - 0s 0 0 1062.38386 0 10 1082.00000 1062.38386 1.81% - 0s H 0 0 1078.0000000 1062.38386 1.45% - 0s 0 0 1062.40842 0 39 1078.00000 1062.40842 1.45% - 0s 0 0 1062.51652 0 43 1078.00000 1062.51652 1.44% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 2 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s H 27 18 1075.0000000 1063.53324 1.07% 13.2 0s * 226 85 9 1074.0000000 1066.21053 0.73% 9.5 1s Cutting planes: Gomory: 3 Zero half: 6 Explored 828 nodes (7275 simplex iterations) in 1.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 33), (9, 10), (11, 33), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 521 rows, 528 columns and 51633 nonzeros Presolve time: 0.03s Presolved: 521 rows, 528 columns, 51633 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.39655 0 31 1085.00000 1062.39655 2.08% - 0s 0 0 1062.39655 0 10 1085.00000 1062.39655 2.08% - 0s H 0 0 1078.0000000 1062.39655 1.45% - 0s 0 0 1062.53472 0 43 1078.00000 1062.53472 1.43% - 0s 0 0 1062.53472 0 46 1078.00000 1062.53472 1.43% - 0s 0 0 1062.75987 0 46 1078.00000 1062.75987 1.41% - 0s 0 0 1062.94120 0 44 1078.00000 1062.94120 1.40% - 0s 0 0 1062.94120 0 42 1078.00000 1062.94120 1.40% - 0s 0 0 1062.94120 0 46 1078.00000 1062.94120 1.40% - 0s 0 0 1062.94120 0 43 1078.00000 1062.94120 1.40% - 0s 0 0 1062.94120 0 47 1078.00000 1062.94120 1.40% - 0s 0 0 1062.98568 0 41 1078.00000 1062.98568 1.39% - 0s 0 0 1062.98568 0 47 1078.00000 1062.98568 1.39% - 0s H 0 0 1077.0000000 1062.98568 1.30% - 0s 0 0 1062.98568 0 44 1077.00000 1062.98568 1.30% - 0s 0 2 1063.30910 0 44 1077.00000 1063.30910 1.27% - 0s H 1 2 1075.0000000 1063.30910 1.09% 6.0 0s * 222 55 36 1074.0000000 1064.99552 0.84% 11.7 2s Cutting planes: Gomory: 7 Zero half: 2 Explored 1007 nodes (9277 simplex iterations) in 2.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 11), (7, 12), (11, 19), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 522 rows, 528 columns and 51753 nonzeros Presolve time: 0.03s Presolved: 522 rows, 528 columns, 51753 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.40747 0 38 - 1062.40747 - - 0s 0 0 1062.94148 0 46 - 1062.94148 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1120.0000000 1063.00000 5.09% - 0s H 0 0 1086.0000000 1063.00000 2.12% - 0s 0 0 1063.00000 0 16 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 10 1086.00000 1063.00000 2.12% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 46 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 2 1063.39155 0 8 1078.00000 1063.39155 1.36% - 0s H 24 16 1077.0000000 1063.39155 1.26% 0.2 2s H 24 15 1074.0000000 1063.39155 0.99% 0.2 2s Cutting planes: Gomory: 7 Zero half: 9 Explored 818 nodes (6693 simplex iterations) in 3.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 14), (8, 33), (8, 12), (11, 33), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 523 rows, 528 columns and 51924 nonzeros Presolve time: 0.03s Presolved: 523 rows, 528 columns, 51924 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.38710 0 31 - 1062.38710 - - 0s 0 0 1062.46835 0 34 - 1062.46835 - - 0s 0 0 1062.78441 0 38 - 1062.78441 - - 0s 0 0 1062.90400 0 43 - 1062.90400 - - 0s 0 0 1062.90730 0 46 - 1062.90730 - - 0s 0 0 1062.90730 0 47 - 1062.90730 - - 0s 0 0 1062.90730 0 49 - 1062.90730 - - 0s 0 0 1062.90730 0 46 - 1062.90730 - - 0s 0 0 1062.90730 0 47 - 1062.90730 - - 0s H 0 0 1207.0000000 1062.90730 11.9% - 0s H 0 0 1100.0000000 1062.90730 3.37% - 0s 0 0 1062.90730 0 46 1100.00000 1062.90730 3.37% - 0s 0 0 1062.90730 0 50 1100.00000 1062.90730 3.37% - 0s 0 0 1062.90730 0 50 1100.00000 1062.90730 3.37% - 0s H 0 0 1094.0000000 1062.90730 2.84% - 0s H 0 0 1080.0000000 1062.90730 1.58% - 0s 0 0 1062.90730 0 10 1080.00000 1062.90730 1.58% - 0s 0 0 1062.90730 0 30 1080.00000 1062.90730 1.58% - 0s 0 0 1062.90730 0 39 1080.00000 1062.90730 1.58% - 0s 0 0 1062.90730 0 45 1080.00000 1062.90730 1.58% - 0s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 15 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 17 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 1s H 0 0 1078.0000000 1063.00000 1.39% - 1s 0 2 1063.00000 0 18 1078.00000 1063.00000 1.39% - 1s H 54 24 1075.0000000 1063.48352 1.07% 7.8 1s H 88 38 1074.0000000 1063.62025 0.97% 7.9 1s Cutting planes: Gomory: 5 Zero half: 6 Explored 753 nodes (6767 simplex iterations) in 2.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (13, 33), (15, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 524 rows, 528 columns and 51990 nonzeros Presolve time: 0.03s Presolved: 524 rows, 528 columns, 51990 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 28 - 1062.50000 - - 0s 0 0 1062.72588 0 42 - 1062.72588 - - 0s 0 0 1062.85526 0 39 - 1062.85526 - - 0s 0 0 1062.92967 0 48 - 1062.92967 - - 0s 0 0 1062.92967 0 51 - 1062.92967 - - 0s 0 0 1062.92967 0 50 - 1062.92967 - - 0s 0 0 1062.92967 0 53 - 1062.92967 - - 0s 0 0 1062.92967 0 51 - 1062.92967 - - 0s 0 0 1062.92967 0 54 - 1062.92967 - - 0s H 0 0 1302.0000000 1062.92967 18.4% - 0s H 0 0 1095.0000000 1062.92967 2.93% - 0s 0 0 1062.93871 0 49 1095.00000 1062.93871 2.93% - 0s 0 0 1062.93871 0 55 1095.00000 1062.93871 2.93% - 0s H 0 0 1078.0000000 1062.93871 1.40% - 0s 0 0 1062.93871 0 53 1078.00000 1062.93871 1.40% - 0s 0 0 1062.93871 0 10 1078.00000 1062.93871 1.40% - 0s 0 0 1062.93871 0 28 1078.00000 1062.93871 1.40% - 0s 0 0 1062.93871 0 43 1078.00000 1062.93871 1.40% - 0s 0 0 1063.05459 0 30 1078.00000 1063.05459 1.39% - 0s 0 0 1063.10852 0 44 1078.00000 1063.10852 1.38% - 0s 0 0 1063.10852 0 45 1078.00000 1063.10852 1.38% - 0s 0 0 1063.10852 0 45 1078.00000 1063.10852 1.38% - 0s 0 0 1063.10852 0 45 1078.00000 1063.10852 1.38% - 0s 0 0 1063.10852 0 45 1078.00000 1063.10852 1.38% - 1s H 0 0 1076.0000000 1063.10852 1.20% - 1s 0 2 1063.11120 0 45 1076.00000 1063.11120 1.20% - 1s * 45 22 42 1075.0000000 1064.41981 0.98% 10.4 1s * 122 60 35 1074.0000000 1064.99583 0.84% 7.6 1s Cutting planes: Gomory: 8 Zero half: 14 Explored 527 nodes (4817 simplex iterations) in 1.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 10), (10, 11), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 525 rows, 528 columns and 52110 nonzeros Presolve time: 0.03s Presolved: 525 rows, 528 columns, 52110 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.37500 0 28 1075.00000 1062.37500 1.17% - 0s 0 0 1062.37500 0 10 1075.00000 1062.37500 1.17% - 0s 0 0 1062.48571 0 38 1075.00000 1062.48571 1.16% - 0s 0 0 1062.77778 0 22 1075.00000 1062.77778 1.14% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 10 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 17 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 19 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 23 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 21 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 21 1075.00000 1063.00000 1.12% - 0s * 323 108 7 1074.0000000 1066.11364 0.73% 7.7 1s Cutting planes: Gomory: 5 Zero half: 13 Explored 834 nodes (7436 simplex iterations) in 1.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(16, 18), (17, 29), (17, 30), (18, 20), (19, 20), (19, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 526 rows, 528 columns and 52215 nonzeros Presolve time: 0.03s Presolved: 526 rows, 528 columns, 52215 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 126 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.75000 0 32 - 1062.75000 - - 0s 0 0 1062.90807 0 33 - 1062.90807 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s H 0 0 1113.0000000 1063.00000 4.49% - 0s H 0 0 1108.0000000 1063.00000 4.06% - 0s H 0 0 1084.0000000 1063.00000 1.94% - 0s 0 2 1063.00000 0 16 1084.00000 1063.00000 1.94% - 0s H 54 21 1082.0000000 1063.83833 1.68% 5.9 0s H 81 28 1076.0000000 1063.83833 1.13% 4.9 0s * 115 42 33 1075.0000000 1063.89744 1.03% 5.8 0s * 442 139 22 1074.0000000 1067.40000 0.61% 7.1 1s Cutting planes: Gomory: 4 Zero half: 3 Explored 918 nodes (6543 simplex iterations) in 1.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 33), (10, 33), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 527 rows, 528 columns and 52335 nonzeros Presolve time: 0.03s Presolved: 527 rows, 528 columns, 52335 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 40 - 1063.00000 - - 0s 0 0 1063.00000 0 34 - 1063.00000 - - 0s 0 0 1063.00000 0 35 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1108.0000000 1063.00000 4.06% - 0s H 0 0 1088.0000000 1063.00000 2.30% - 0s 0 0 1063.00000 0 29 1088.00000 1063.00000 2.30% - 0s 0 0 1063.00000 0 37 1088.00000 1063.00000 2.30% - 0s 0 0 1063.00000 0 18 1088.00000 1063.00000 2.30% - 0s H 0 0 1084.0000000 1063.00000 1.94% - 0s 0 0 1063.00000 0 10 1084.00000 1063.00000 1.94% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 1s 0 2 1063.00000 0 21 1078.00000 1063.00000 1.39% - 1s H 54 32 1075.0000000 1063.57576 1.06% 8.7 1s * 547 113 13 1074.0000000 1067.50000 0.61% 10.4 2s Cutting planes: Gomory: 4 Zero half: 6 Explored 977 nodes (9832 simplex iterations) in 2.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(9, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 528 rows, 528 columns and 52401 nonzeros Presolve time: 0.03s Presolved: 528 rows, 528 columns, 52401 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1081.0000000 1062.00000 1.76% - 0s 0 0 1062.50000 0 10 1081.00000 1062.50000 1.71% - 0s 0 0 1062.50000 0 10 1081.00000 1062.50000 1.71% - 0s H 0 0 1078.0000000 1062.50000 1.44% - 0s 0 0 1062.61905 0 48 1078.00000 1062.61905 1.43% - 0s 0 0 1063.03016 0 50 1078.00000 1063.03016 1.39% - 0s 0 0 1063.03016 0 50 1078.00000 1063.03016 1.39% - 0s 0 0 1063.03016 0 52 1078.00000 1063.03016 1.39% - 0s 0 0 1063.04762 0 33 1078.00000 1063.04762 1.39% - 0s 0 0 1063.04762 0 37 1078.00000 1063.04762 1.39% - 0s 0 0 1063.04762 0 39 1078.00000 1063.04762 1.39% - 0s 0 0 1063.04762 0 44 1078.00000 1063.04762 1.39% - 0s 0 0 1063.04976 0 45 1078.00000 1063.04976 1.39% - 0s 0 0 1063.05102 0 53 1078.00000 1063.05102 1.39% - 0s 0 0 1063.05526 0 52 1078.00000 1063.05526 1.39% - 0s 0 0 1063.05526 0 55 1078.00000 1063.05526 1.39% - 0s 0 0 1063.05936 0 56 1078.00000 1063.05936 1.39% - 0s 0 0 1063.07093 0 56 1078.00000 1063.07093 1.38% - 0s 0 0 1063.09292 0 53 1078.00000 1063.09292 1.38% - 0s 0 0 1063.10430 0 52 1078.00000 1063.10430 1.38% - 0s 0 0 1063.12209 0 57 1078.00000 1063.12209 1.38% - 0s 0 0 1063.12209 0 57 1078.00000 1063.12209 1.38% - 0s 0 0 1063.12209 0 60 1078.00000 1063.12209 1.38% - 0s 0 0 1063.18273 0 52 1078.00000 1063.18273 1.37% - 0s 0 0 1063.18671 0 57 1078.00000 1063.18671 1.37% - 0s 0 0 1063.18671 0 56 1078.00000 1063.18671 1.37% - 0s 0 0 1063.18671 0 60 1078.00000 1063.18671 1.37% - 0s 0 0 1063.22205 0 50 1078.00000 1063.22205 1.37% - 0s 0 0 1063.23077 0 44 1078.00000 1063.23077 1.37% - 0s 0 0 1063.23077 0 52 1078.00000 1063.23077 1.37% - 0s 0 0 1063.23077 0 56 1078.00000 1063.23077 1.37% - 0s 0 0 1063.23077 0 54 1078.00000 1063.23077 1.37% - 1s 0 0 1063.23077 0 57 1078.00000 1063.23077 1.37% - 1s 0 0 1063.23757 0 54 1078.00000 1063.23757 1.37% - 1s 0 0 1063.24810 0 61 1078.00000 1063.24810 1.37% - 1s 0 0 1063.24810 0 61 1078.00000 1063.24810 1.37% - 1s H 0 0 1076.0000000 1063.24810 1.19% - 1s H 0 0 1075.0000000 1063.24810 1.09% - 1s 0 2 1063.25573 0 61 1075.00000 1063.25573 1.09% - 1s * 207 81 21 1074.0000000 1067.50000 0.61% 9.2 1s Cutting planes: Gomory: 3 Zero half: 13 Mod-K: 1 Explored 602 nodes (5471 simplex iterations) in 2.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(7, 10), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 12), (6, 8), (6, 13), (8, 9), (9, 33), (12, 33)] Optimize a model with 530 rows, 528 columns and 52507 nonzeros Presolve time: 0.03s Presolved: 530 rows, 528 columns, 52507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1083.0000000 1062.00000 1.94% - 0s 0 0 1062.43400 0 47 1083.00000 1062.43400 1.90% - 0s 0 0 1062.43400 0 12 1083.00000 1062.43400 1.90% - 0s H 0 0 1078.0000000 1062.43400 1.44% - 0s 0 0 1062.46746 0 30 1078.00000 1062.46746 1.44% - 0s 0 0 1062.71795 0 22 1078.00000 1062.71795 1.42% - 0s 0 0 1062.93200 0 33 1078.00000 1062.93200 1.40% - 0s 0 0 1062.94318 0 23 1078.00000 1062.94318 1.40% - 0s 0 0 1062.94318 0 25 1078.00000 1062.94318 1.40% - 0s 0 0 1062.94318 0 27 1078.00000 1062.94318 1.40% - 0s 0 0 1062.94318 0 30 1078.00000 1062.94318 1.40% - 0s 0 0 1062.96491 0 42 1078.00000 1062.96491 1.39% - 0s 0 0 1062.96894 0 26 1078.00000 1062.96894 1.39% - 0s 0 0 1062.96894 0 28 1078.00000 1062.96894 1.39% - 0s 0 0 1062.96894 0 29 1078.00000 1062.96894 1.39% - 0s 0 0 1062.96894 0 33 1078.00000 1062.96894 1.39% - 0s 0 0 1062.98956 0 50 1078.00000 1062.98956 1.39% - 0s 0 0 1062.99028 0 52 1078.00000 1062.99028 1.39% - 0s 0 0 1062.99312 0 52 1078.00000 1062.99312 1.39% - 0s H 0 0 1075.0000000 1062.99312 1.12% - 0s 0 0 1063.01258 0 59 1075.00000 1063.01258 1.12% - 0s 0 2 1063.29506 0 56 1075.00000 1063.29506 1.09% - 0s * 241 87 28 1074.0000000 1067.02247 0.65% 9.7 2s Cutting planes: Gomory: 8 Zero half: 22 Explored 755 nodes (6500 simplex iterations) in 2.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (7, 12), (8, 9), (9, 11), (11, 14), (12, 13)] Optimize a model with 532 rows, 528 columns and 52634 nonzeros Presolve time: 0.03s Presolved: 532 rows, 528 columns, 52634 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 48 - 1062.50000 - - 0s 0 0 1062.86859 0 17 - 1062.86859 - - 0s 0 0 1063.05064 0 50 - 1063.05064 - - 0s 0 0 1063.09763 0 53 - 1063.09763 - - 0s 0 0 1063.09763 0 54 - 1063.09763 - - 0s 0 0 1063.17197 0 38 - 1063.17197 - - 0s 0 0 1063.17553 0 43 - 1063.17553 - - 0s 0 0 1063.17553 0 47 - 1063.17553 - - 0s 0 0 1063.17553 0 42 - 1063.17553 - - 0s 0 0 1063.17553 0 45 - 1063.17553 - - 0s 0 0 1063.18368 0 42 - 1063.18368 - - 0s H 0 0 1193.0000000 1063.18368 10.9% - 0s H 0 0 1078.0000000 1063.18368 1.37% - 0s 0 0 1063.18368 0 48 1078.00000 1063.18368 1.37% - 0s 0 0 1063.18368 0 10 1078.00000 1063.18368 1.37% - 0s 0 0 1063.18368 0 43 1078.00000 1063.18368 1.37% - 0s 0 0 1063.18368 0 40 1078.00000 1063.18368 1.37% - 0s 0 0 1063.18431 0 49 1078.00000 1063.18431 1.37% - 0s 0 0 1063.18431 0 47 1078.00000 1063.18431 1.37% - 0s 0 0 1063.18431 0 50 1078.00000 1063.18431 1.37% - 0s 0 0 1063.19414 0 49 1078.00000 1063.19414 1.37% - 0s 0 0 1063.19414 0 53 1078.00000 1063.19414 1.37% - 0s 0 0 1063.19414 0 55 1078.00000 1063.19414 1.37% - 0s 0 0 1063.19414 0 56 1078.00000 1063.19414 1.37% - 0s H 0 0 1076.0000000 1063.19414 1.19% - 1s H 0 0 1075.0000000 1063.19414 1.10% - 1s 0 2 1063.19990 0 56 1075.00000 1063.19990 1.10% - 1s * 909 191 31 1074.0000000 1069.20000 0.45% 8.6 3s Cutting planes: Gomory: 5 Zero half: 6 Explored 1533 nodes (12732 simplex iterations) in 3.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 533 rows, 528 columns and 52712 nonzeros Presolve time: 0.03s Presolved: 533 rows, 528 columns, 52712 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 126 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.45596 0 34 1077.00000 1062.45596 1.35% - 0s 0 0 1062.45596 0 10 1077.00000 1062.45596 1.35% - 0s 0 0 1062.57143 0 31 1077.00000 1062.57143 1.34% - 0s H 0 0 1075.0000000 1062.57143 1.16% - 0s 0 0 1062.60000 0 33 1075.00000 1062.60000 1.15% - 0s 0 0 1062.85930 0 38 1075.00000 1062.85930 1.13% - 0s 0 0 1062.98324 0 38 1075.00000 1062.98324 1.12% - 0s 0 0 1062.98324 0 42 1075.00000 1062.98324 1.12% - 0s 0 0 1062.98324 0 40 1075.00000 1062.98324 1.12% - 0s 0 0 1062.98324 0 44 1075.00000 1062.98324 1.12% - 0s 0 0 1062.98324 0 41 1075.00000 1062.98324 1.12% - 0s 0 0 1062.98324 0 45 1075.00000 1062.98324 1.12% - 0s 0 0 1063.00000 0 16 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 20 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 20 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 25 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 8 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s * 427 141 11 1074.0000000 1067.28571 0.63% 7.5 1s Cutting planes: Gomory: 3 Zero half: 3 Explored 993 nodes (7773 simplex iterations) in 1.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 11), (11, 19), (12, 33), (12, 14), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 534 rows, 528 columns and 52832 nonzeros Presolve time: 0.03s Presolved: 534 rows, 528 columns, 52832 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1074.0000000 1062.00000 1.12% - 0s 0 0 1062.43400 0 47 1074.00000 1062.43400 1.08% - 0s 0 0 1062.43400 0 12 1074.00000 1062.43400 1.08% - 0s 0 0 1062.50000 0 10 1074.00000 1062.50000 1.07% - 0s 0 0 1063.00000 0 14 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 10 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 14 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 14 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 14 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 16 1074.00000 1063.00000 1.02% - 0s 0 0 1063.00000 0 16 1074.00000 1063.00000 1.02% - 0s 0 2 1063.00405 0 16 1074.00000 1063.00405 1.02% - 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 552 nodes (5081 simplex iterations) in 1.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 11), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 535 rows, 528 columns and 52923 nonzeros Presolve time: 0.03s Presolved: 535 rows, 528 columns, 52923 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.50000 0 47 1085.00000 1062.50000 2.07% - 0s 0 0 1062.50000 0 10 1085.00000 1062.50000 2.07% - 0s H 0 0 1078.0000000 1062.50000 1.44% - 0s 0 0 1062.53872 0 49 1078.00000 1062.53872 1.43% - 0s 0 2 1063.00000 0 49 1078.00000 1063.00000 1.39% - 0s H 23 15 1076.0000000 1063.54286 1.16% 16.2 2s * 67 20 35 1075.0000000 1064.15926 1.01% 15.9 2s * 225 70 35 1074.0000000 1065.46718 0.79% 11.1 2s Cutting planes: Gomory: 6 Zero half: 23 Mod-K: 1 Explored 886 nodes (7407 simplex iterations) in 3.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(10, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 12), (6, 7), (6, 13), (7, 8), (8, 9), (9, 33), (12, 33)] Optimize a model with 537 rows, 528 columns and 53025 nonzeros Presolve time: 0.03s Presolved: 537 rows, 528 columns, 53025 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1083.0000000 1062.00000 1.94% - 0s 0 0 1062.48281 0 44 1083.00000 1062.48281 1.89% - 0s 0 0 1062.48281 0 12 1083.00000 1062.48281 1.89% - 0s H 0 0 1078.0000000 1062.48281 1.44% - 0s 0 0 1062.51391 0 31 1078.00000 1062.51391 1.44% - 0s 0 0 1062.80404 0 48 1078.00000 1062.80404 1.41% - 0s 0 0 1062.80404 0 54 1078.00000 1062.80404 1.41% - 0s 0 0 1062.92686 0 39 1078.00000 1062.92686 1.40% - 0s 0 0 1062.92686 0 43 1078.00000 1062.92686 1.40% - 0s 0 0 1062.92686 0 42 1078.00000 1062.92686 1.40% - 0s 0 0 1062.92686 0 46 1078.00000 1062.92686 1.40% - 0s 0 0 1062.94580 0 51 1078.00000 1062.94580 1.40% - 0s 0 0 1062.94580 0 54 1078.00000 1062.94580 1.40% - 0s 0 0 1062.97196 0 33 1078.00000 1062.97196 1.39% - 0s 0 0 1062.97196 0 37 1078.00000 1062.97196 1.39% - 0s 0 0 1062.97196 0 39 1078.00000 1062.97196 1.39% - 0s 0 0 1062.97196 0 37 1078.00000 1062.97196 1.39% - 0s 0 0 1062.97196 0 40 1078.00000 1062.97196 1.39% - 0s 0 0 1062.97196 0 44 1078.00000 1062.97196 1.39% - 0s 0 0 1062.97196 0 41 1078.00000 1062.97196 1.39% - 0s 0 2 1062.97237 0 41 1078.00000 1062.97237 1.39% - 1s * 25 8 22 1075.0000000 1063.60526 1.06% 8.4 1s * 194 96 15 1074.0000000 1065.50000 0.79% 7.6 1s Cutting planes: Gomory: 5 Zero half: 23 Explored 907 nodes (7205 simplex iterations) in 2.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 12), (11, 19), (12, 14), (15, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 538 rows, 528 columns and 53116 nonzeros Presolve time: 0.03s Presolved: 538 rows, 528 columns, 53116 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.85600 0 45 - 1062.85600 - - 0s 0 0 1062.85600 0 49 - 1062.85600 - - 0s 0 0 1062.85600 0 51 - 1062.85600 - - 0s 0 0 1062.85600 0 52 - 1062.85600 - - 0s 0 0 1062.86100 0 46 - 1062.86100 - - 0s 0 0 1062.86100 0 52 - 1062.86100 - - 0s 0 0 1062.86100 0 50 - 1062.86100 - - 0s H 0 0 1137.0000000 1062.86100 6.52% - 0s H 0 0 1075.0000000 1062.86100 1.13% - 0s 0 0 1062.86100 0 53 1075.00000 1062.86100 1.13% - 0s 0 0 1062.86100 0 12 1075.00000 1062.86100 1.13% - 0s 0 0 1062.86100 0 17 1075.00000 1062.86100 1.13% - 0s 0 0 1062.97222 0 46 1075.00000 1062.97222 1.12% - 0s 0 0 1062.97727 0 50 1075.00000 1062.97727 1.12% - 0s 0 0 1063.01506 0 44 1075.00000 1063.01506 1.11% - 0s 0 0 1063.01597 0 47 1075.00000 1063.01597 1.11% - 0s 0 0 1063.01597 0 50 1075.00000 1063.01597 1.11% - 0s 0 0 1063.01597 0 53 1075.00000 1063.01597 1.11% - 0s 0 0 1063.04988 0 55 1075.00000 1063.04988 1.11% - 0s 0 0 1063.04988 0 59 1075.00000 1063.04988 1.11% - 0s 0 0 1063.16053 0 52 1075.00000 1063.16053 1.10% - 0s 0 0 1063.16212 0 56 1075.00000 1063.16212 1.10% - 0s 0 0 1063.16212 0 58 1075.00000 1063.16212 1.10% - 0s 0 0 1063.16850 0 52 1075.00000 1063.16850 1.10% - 0s 0 0 1063.16850 0 58 1075.00000 1063.16850 1.10% - 0s 0 2 1063.18448 0 58 1075.00000 1063.18448 1.10% - 1s * 287 98 12 1074.0000000 1067.75000 0.58% 8.7 1s Cutting planes: Gomory: 2 Zero half: 13 Mod-K: 1 Explored 679 nodes (5702 simplex iterations) in 2.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 11), (11, 19), (12, 33), (12, 14), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 539 rows, 528 columns and 53236 nonzeros Presolve time: 0.03s Presolved: 539 rows, 528 columns, 53236 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.48281 0 44 - 1062.48281 - - 0s 0 0 1062.70325 0 48 - 1062.70325 - - 0s 0 0 1062.81140 0 52 - 1062.81140 - - 0s 0 0 1062.81758 0 54 - 1062.81758 - - 0s 0 0 1063.00986 0 56 - 1063.00986 - - 0s 0 0 1063.00986 0 57 - 1063.00986 - - 0s 0 0 1063.04770 0 52 - 1063.04770 - - 0s 0 0 1063.04770 0 59 - 1063.04770 - - 0s 0 0 1063.09930 0 47 - 1063.09930 - - 0s 0 0 1063.10053 0 52 - 1063.10053 - - 0s 0 0 1063.10053 0 54 - 1063.10053 - - 0s 0 0 1063.10053 0 55 - 1063.10053 - - 0s 0 0 1063.10053 0 55 - 1063.10053 - - 0s H 0 0 1131.0000000 1063.10053 6.00% - 0s H 0 0 1105.0000000 1063.10053 3.79% - 0s H 0 0 1075.0000000 1063.10053 1.11% - 0s 0 0 1063.10053 0 10 1075.00000 1063.10053 1.11% - 0s 0 0 1063.10053 0 49 1075.00000 1063.10053 1.11% - 0s 0 0 1063.17743 0 39 1075.00000 1063.17743 1.10% - 0s 0 0 1063.18044 0 37 1075.00000 1063.18044 1.10% - 0s 0 0 1063.18044 0 37 1075.00000 1063.18044 1.10% - 0s 0 0 1063.18044 0 40 1075.00000 1063.18044 1.10% - 0s 0 0 1063.18044 0 44 1075.00000 1063.18044 1.10% - 0s 0 0 1063.21303 0 32 1075.00000 1063.21303 1.10% - 1s 0 0 1063.21303 0 36 1075.00000 1063.21303 1.10% - 1s 0 0 1063.21303 0 36 1075.00000 1063.21303 1.10% - 1s 0 0 1063.21303 0 38 1075.00000 1063.21303 1.10% - 1s 0 0 1063.21303 0 36 1075.00000 1063.21303 1.10% - 1s 0 0 1063.21303 0 42 1075.00000 1063.21303 1.10% - 1s 0 0 1063.21303 0 42 1075.00000 1063.21303 1.10% - 1s 0 2 1063.22187 0 42 1075.00000 1063.22187 1.10% - 1s * 26 9 22 1074.0000000 1063.81174 0.95% 10.6 1s Cutting planes: Gomory: 2 Zero half: 7 Explored 739 nodes (6459 simplex iterations) in 2.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(7, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 540 rows, 528 columns and 53341 nonzeros Presolve time: 0.03s Presolved: 540 rows, 528 columns, 53341 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.48281 0 44 - 1062.48281 - - 0s 0 0 1062.70325 0 48 - 1062.70325 - - 0s 0 0 1062.81140 0 52 - 1062.81140 - - 0s 0 0 1062.81758 0 54 - 1062.81758 - - 0s 0 0 1063.00986 0 56 - 1063.00986 - - 0s 0 0 1063.00986 0 57 - 1063.00986 - - 0s 0 0 1063.04770 0 52 - 1063.04770 - - 0s 0 0 1063.04770 0 59 - 1063.04770 - - 0s 0 0 1063.09930 0 47 - 1063.09930 - - 0s 0 0 1063.10053 0 52 - 1063.10053 - - 0s 0 0 1063.10053 0 54 - 1063.10053 - - 0s 0 0 1063.10053 0 55 - 1063.10053 - - 0s 0 0 1063.10053 0 55 - 1063.10053 - - 0s H 0 0 1131.0000000 1063.10053 6.00% - 0s H 0 0 1075.0000000 1063.10053 1.11% - 0s 0 0 1063.10053 0 10 1075.00000 1063.10053 1.11% - 0s 0 0 1063.10053 0 49 1075.00000 1063.10053 1.11% - 0s 0 0 1063.17743 0 39 1075.00000 1063.17743 1.10% - 0s 0 0 1063.18044 0 37 1075.00000 1063.18044 1.10% - 0s 0 0 1063.18044 0 41 1075.00000 1063.18044 1.10% - 0s 0 0 1063.18044 0 39 1075.00000 1063.18044 1.10% - 0s 0 0 1063.18044 0 44 1075.00000 1063.18044 1.10% - 0s 0 0 1063.19281 0 44 1075.00000 1063.19281 1.10% - 1s 0 0 1063.19281 0 48 1075.00000 1063.19281 1.10% - 1s 0 0 1063.19578 0 44 1075.00000 1063.19578 1.10% - 1s 0 0 1063.19578 0 50 1075.00000 1063.19578 1.10% - 1s 0 0 1063.21966 0 56 1075.00000 1063.21966 1.10% - 1s 0 0 1063.24673 0 39 1075.00000 1063.24673 1.09% - 1s 0 0 1063.24673 0 45 1075.00000 1063.24673 1.09% - 1s 0 0 1063.24673 0 48 1075.00000 1063.24673 1.09% - 1s 0 0 1063.24857 0 50 1075.00000 1063.24857 1.09% - 1s 0 0 1063.24857 0 50 1075.00000 1063.24857 1.09% - 1s 0 0 1063.24857 0 50 1075.00000 1063.24857 1.09% - 1s 0 2 1063.26216 0 49 1075.00000 1063.26216 1.09% - 1s * 1045 85 23 1074.0000000 1070.66129 0.31% 8.2 3s Cutting planes: Gomory: 2 Zero half: 8 Explored 1204 nodes (9946 simplex iterations) in 3.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 11), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 541 rows, 528 columns and 53446 nonzeros Presolve time: 0.03s Presolved: 541 rows, 528 columns, 53446 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 108 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.50000 0 10 1075.00000 1062.50000 1.16% - 0s 0 0 1062.50000 0 10 1075.00000 1062.50000 1.16% - 0s 0 0 1062.50000 0 10 1075.00000 1062.50000 1.16% - 0s 0 0 1062.86890 0 46 1075.00000 1062.86890 1.13% - 0s 0 0 1063.00000 0 21 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 43 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 8 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 13 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 12 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 15 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 15 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 15 1075.00000 1063.00000 1.12% - 0s * 586 156 9 1074.0000000 1068.00000 0.56% 8.3 1s Cutting planes: Gomory: 4 Zero half: 10 Explored 1025 nodes (9016 simplex iterations) in 1.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (12, 13), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 542 rows, 528 columns and 53537 nonzeros Presolve time: 0.03s Presolved: 542 rows, 528 columns, 53537 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 126 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.75000 0 32 - 1062.75000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1085.0000000 1063.00000 2.03% - 0s 0 0 1063.00000 0 10 1085.00000 1063.00000 2.03% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 32 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 2 1063.15913 0 8 1078.00000 1063.15913 1.38% - 0s H 17 12 1076.0000000 1063.52470 1.16% 0.2 1s * 38 17 22 1075.0000000 1064.00000 1.02% 21.6 1s * 560 120 19 1074.0000000 1069.66667 0.40% 9.2 2s Cutting planes: Gomory: 6 Zero half: 2 Mod-K: 1 Explored 898 nodes (7617 simplex iterations) in 2.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (12, 13), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 543 rows, 528 columns and 53615 nonzeros Presolve time: 0.03s Presolved: 543 rows, 528 columns, 53615 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.30000 0 13 1075.00000 1062.30000 1.18% - 0s 0 0 1062.30000 0 12 1075.00000 1062.30000 1.18% - 0s 0 0 1062.50000 0 10 1075.00000 1062.50000 1.16% - 0s 0 0 1062.93919 0 42 1075.00000 1062.93919 1.12% - 0s 0 0 1063.00000 0 18 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 25 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 19 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 14 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 22 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 16 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 18 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 29 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 23 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 23 1075.00000 1063.00000 1.12% - 0s * 1270 67 29 1074.0000000 1071.33333 0.25% 8.5 2s Cutting planes: Gomory: 3 Zero half: 1 Explored 1380 nodes (11826 simplex iterations) in 2.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 13), (9, 33), (9, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 544 rows, 528 columns and 53768 nonzeros Presolve time: 0.03s Presolved: 544 rows, 528 columns, 53768 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 35 - 1062.56000 - - 0s 0 0 1062.83000 0 31 - 1062.83000 - - 0s 0 0 1062.93850 0 47 - 1062.93850 - - 0s 0 0 1062.94451 0 51 - 1062.94451 - - 0s 0 0 1062.96107 0 53 - 1062.96107 - - 0s 0 0 1062.96107 0 54 - 1062.96107 - - 0s 0 0 1063.06944 0 41 - 1063.06944 - - 0s 0 0 1063.11459 0 51 - 1063.11459 - - 0s 0 0 1063.12450 0 46 - 1063.12450 - - 0s 0 0 1063.12450 0 47 - 1063.12450 - - 0s 0 0 1063.14350 0 54 - 1063.14350 - - 0s H 0 0 1078.0000000 1063.14350 1.38% - 0s 0 0 1063.14350 0 55 1078.00000 1063.14350 1.38% - 0s 0 0 1063.14350 0 10 1078.00000 1063.14350 1.38% - 0s 0 0 1063.14350 0 33 1078.00000 1063.14350 1.38% - 0s 0 0 1063.37555 0 41 1078.00000 1063.37555 1.36% - 0s 0 0 1063.61004 0 29 1078.00000 1063.61004 1.33% - 0s 0 0 1063.76241 0 42 1078.00000 1063.76241 1.32% - 0s 0 0 1063.77012 0 47 1078.00000 1063.77012 1.32% - 0s 0 0 1063.77065 0 48 1078.00000 1063.77065 1.32% - 0s 0 0 1063.77065 0 51 1078.00000 1063.77065 1.32% - 0s 0 0 1063.77065 0 50 1078.00000 1063.77065 1.32% - 0s H 0 0 1076.0000000 1063.77065 1.14% - 0s 0 0 1063.77065 0 53 1076.00000 1063.77065 1.14% - 0s 0 0 1063.77065 0 51 1076.00000 1063.77065 1.14% - 1s 0 2 1063.77707 0 51 1076.00000 1063.77707 1.14% - 1s * 185 99 38 1075.0000000 1065.27747 0.90% 7.7 1s H 1629 79 1074.0000000 1071.50000 0.23% 8.3 3s Cutting planes: Gomory: 7 Zero half: 2 Explored 1743 nodes (14596 simplex iterations) in 3.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 33), (10, 33), (10, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 545 rows, 528 columns and 53939 nonzeros Presolve time: 0.03s Presolved: 545 rows, 528 columns, 53939 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 121 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33333 0 17 - 1062.33333 - - 0s 0 0 1063.00000 0 31 - 1063.00000 - - 0s 0 0 1063.00000 0 35 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1196.0000000 1063.00000 11.1% - 0s H 0 0 1123.0000000 1063.00000 5.34% - 0s 0 0 1063.00000 0 17 1123.00000 1063.00000 5.34% - 0s 0 0 1063.00000 0 12 1123.00000 1063.00000 5.34% - 0s H 0 0 1096.0000000 1063.00000 3.01% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 17 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 19 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 22 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 20 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 18 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 19 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 18 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 19 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 19 1079.00000 1063.00000 1.48% - 1s H 0 0 1076.0000000 1063.00000 1.21% - 1s 0 2 1063.00000 0 19 1076.00000 1063.00000 1.21% - 1s * 83 34 26 1075.0000000 1064.07692 1.02% 6.8 1s * 933 170 34 1074.0000000 1068.50000 0.51% 8.4 2s Cutting planes: Gomory: 4 Zero half: 1 Explored 1391 nodes (11873 simplex iterations) in 3.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(9, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 546 rows, 528 columns and 54044 nonzeros Presolve time: 0.03s Presolved: 546 rows, 528 columns, 54044 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s H 0 0 1096.0000000 1062.56000 3.05% - 0s 0 0 1062.56000 0 43 1096.00000 1062.56000 3.05% - 0s 0 0 1062.56000 0 45 1096.00000 1062.56000 3.05% - 0s 0 0 1062.56000 0 45 1096.00000 1062.56000 3.05% - 0s H 0 0 1075.0000000 1062.56000 1.16% - 0s 0 0 1062.56000 0 12 1075.00000 1062.56000 1.16% - 0s 0 0 1062.62092 0 43 1075.00000 1062.62092 1.15% - 0s 0 0 1062.82340 0 48 1075.00000 1062.82340 1.13% - 0s 0 0 1062.94947 0 44 1075.00000 1062.94947 1.12% - 0s 0 0 1063.06097 0 33 1075.00000 1063.06097 1.11% - 0s 0 0 1063.06097 0 37 1075.00000 1063.06097 1.11% - 0s 0 0 1063.07353 0 52 1075.00000 1063.07353 1.11% - 0s 0 0 1063.07423 0 54 1075.00000 1063.07423 1.11% - 0s 0 0 1063.07423 0 58 1075.00000 1063.07423 1.11% - 1s 0 0 1063.07953 0 57 1075.00000 1063.07953 1.11% - 1s 0 0 1063.08417 0 45 1075.00000 1063.08417 1.11% - 1s 0 0 1063.08644 0 48 1075.00000 1063.08644 1.11% - 1s 0 0 1063.08893 0 48 1075.00000 1063.08893 1.11% - 1s 0 0 1063.08931 0 57 1075.00000 1063.08931 1.11% - 1s 0 0 1063.10299 0 42 1075.00000 1063.10299 1.11% - 1s 0 0 1063.10328 0 45 1075.00000 1063.10328 1.11% - 1s 0 0 1063.10328 0 48 1075.00000 1063.10328 1.11% - 1s 0 0 1063.11036 0 44 1075.00000 1063.11036 1.11% - 1s 0 0 1063.11059 0 48 1075.00000 1063.11059 1.11% - 1s 0 0 1063.11208 0 56 1075.00000 1063.11208 1.11% - 1s 0 0 1063.11208 0 59 1075.00000 1063.11208 1.11% - 1s 0 0 1063.11208 0 59 1075.00000 1063.11208 1.11% - 1s 0 2 1063.11471 0 59 1075.00000 1063.11471 1.11% - 1s * 375 108 10 1074.0000000 1067.40000 0.61% 8.4 2s Cutting planes: Gomory: 4 Zero half: 21 Explored 801 nodes (6963 simplex iterations) in 2.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 547 rows, 528 columns and 54149 nonzeros Presolve time: 0.03s Presolved: 547 rows, 528 columns, 54149 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 35 - 1062.56000 - - 0s 0 0 1062.83000 0 31 - 1062.83000 - - 0s 0 0 1062.93850 0 47 - 1062.93850 - - 0s 0 0 1062.94451 0 51 - 1062.94451 - - 0s 0 0 1062.96107 0 53 - 1062.96107 - - 0s 0 0 1062.96107 0 54 - 1062.96107 - - 0s 0 0 1063.06944 0 35 - 1063.06944 - - 0s 0 0 1063.06944 0 42 - 1063.06944 - - 0s 0 0 1063.11459 0 51 - 1063.11459 - - 0s 0 0 1063.11459 0 52 - 1063.11459 - - 0s 0 0 1063.12637 0 44 - 1063.12637 - - 0s H 0 0 1307.0000000 1063.12637 18.7% - 0s H 0 0 1092.0000000 1063.12637 2.64% - 0s 0 0 1063.13811 0 57 1092.00000 1063.13811 2.64% - 0s 0 0 1063.18333 0 33 1092.00000 1063.18333 2.64% - 0s H 0 0 1078.0000000 1063.18333 1.37% - 0s 0 0 1063.18421 0 39 1078.00000 1063.18421 1.37% - 0s 0 0 1063.18421 0 10 1078.00000 1063.18421 1.37% - 0s 0 0 1063.18421 0 30 1078.00000 1063.18421 1.37% - 0s 0 0 1063.18421 0 53 1078.00000 1063.18421 1.37% - 0s 0 0 1063.18421 0 31 1078.00000 1063.18421 1.37% - 0s 0 0 1063.18421 0 36 1078.00000 1063.18421 1.37% - 0s 0 0 1063.18521 0 34 1078.00000 1063.18521 1.37% - 0s 0 0 1063.18521 0 39 1078.00000 1063.18521 1.37% - 0s 0 0 1063.19021 0 54 1078.00000 1063.19021 1.37% - 0s 0 0 1063.19074 0 54 1078.00000 1063.19074 1.37% - 0s 0 0 1063.19074 0 54 1078.00000 1063.19074 1.37% - 1s 0 0 1063.19239 0 54 1078.00000 1063.19239 1.37% - 1s 0 0 1063.19239 0 54 1078.00000 1063.19239 1.37% - 1s 0 2 1063.19329 0 54 1078.00000 1063.19329 1.37% - 1s * 97 62 22 1076.0000000 1063.95041 1.12% 7.2 1s * 136 70 32 1075.0000000 1064.42857 0.98% 6.8 1s * 1342 64 24 1074.0000000 1071.00000 0.28% 8.3 3s Cutting planes: Gomory: 4 Zero half: 5 Explored 1432 nodes (12246 simplex iterations) in 3.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.074000000000e+03, best bound 1.074000000000e+03, gap 0.0% adding cut for [(11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 548 rows, 528 columns and 54240 nonzeros Presolve time: 0.03s Presolved: 548 rows, 528 columns, 54240 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.02286 0 45 - 1063.02286 - - 0s 0 0 1063.02286 0 49 - 1063.02286 - - 0s 0 0 1063.02286 0 51 - 1063.02286 - - 0s 0 0 1063.02286 0 48 - 1063.02286 - - 0s 0 0 1063.02286 0 52 - 1063.02286 - - 0s 0 0 1063.02286 0 55 - 1063.02286 - - 0s 0 0 1063.02286 0 49 - 1063.02286 - - 0s H 0 0 1120.0000000 1063.02286 5.09% - 0s H 0 0 1095.0000000 1063.02286 2.92% - 0s H 0 0 1083.0000000 1063.02286 1.84% - 0s H 0 0 1079.0000000 1063.02286 1.48% - 0s 0 0 1063.02286 0 10 1079.00000 1063.02286 1.48% - 0s 0 0 1063.02286 0 8 1079.00000 1063.02286 1.48% - 0s 0 0 1063.12708 0 37 1079.00000 1063.12708 1.47% - 0s 0 0 1063.12708 0 43 1079.00000 1063.12708 1.47% - 0s 0 0 1063.12708 0 40 1079.00000 1063.12708 1.47% - 0s 0 0 1063.12708 0 43 1079.00000 1063.12708 1.47% - 1s 0 0 1063.12708 0 46 1079.00000 1063.12708 1.47% - 1s 0 0 1063.13119 0 49 1079.00000 1063.13119 1.47% - 1s 0 0 1063.13119 0 55 1079.00000 1063.13119 1.47% - 1s 0 0 1063.13119 0 53 1079.00000 1063.13119 1.47% - 1s 0 0 1063.13119 0 56 1079.00000 1063.13119 1.47% - 1s 0 0 1063.13650 0 49 1079.00000 1063.13650 1.47% - 1s 0 0 1063.13650 0 55 1079.00000 1063.13650 1.47% - 1s 0 0 1063.13650 0 53 1079.00000 1063.13650 1.47% - 1s 0 0 1063.13650 0 56 1079.00000 1063.13650 1.47% - 1s 0 0 1063.20926 0 36 1079.00000 1063.20926 1.46% - 1s 0 0 1063.22717 0 47 1079.00000 1063.22717 1.46% - 1s 0 0 1063.24176 0 44 1079.00000 1063.24176 1.46% - 1s 0 0 1063.24176 0 48 1079.00000 1063.24176 1.46% - 1s 0 0 1063.24176 0 45 1079.00000 1063.24176 1.46% - 1s 0 0 1063.24176 0 48 1079.00000 1063.24176 1.46% - 1s 0 0 1063.24176 0 47 1079.00000 1063.24176 1.46% - 1s 0 0 1063.24176 0 48 1079.00000 1063.24176 1.46% - 1s 0 0 1063.24176 0 48 1079.00000 1063.24176 1.46% - 1s 0 2 1063.26000 0 46 1079.00000 1063.26000 1.46% - 2s H 27 21 1078.0000000 1063.91314 1.31% 13.7 2s * 47 32 40 1077.0000000 1063.91314 1.22% 12.2 2s * 105 68 56 1076.0000000 1064.23478 1.09% 8.3 2s * 164 82 20 1075.0000000 1065.00000 0.93% 9.3 2s Cutting planes: Gomory: 4 Zero half: 21 Explored 1081 nodes (9647 simplex iterations) in 3.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 11), (11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (8, 10), (9, 33), (9, 10), (12, 33), (12, 13), (13, 14)] Optimize a model with 550 rows, 528 columns and 54363 nonzeros Presolve time: 0.03s Presolved: 550 rows, 528 columns, 54363 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.51231 0 35 - 1062.51231 - - 0s 0 0 1062.76667 0 40 - 1062.76667 - - 0s 0 0 1062.90364 0 40 - 1062.90364 - - 0s 0 0 1062.91461 0 46 - 1062.91461 - - 0s 0 0 1062.91461 0 47 - 1062.91461 - - 0s 0 0 1062.91461 0 50 - 1062.91461 - - 0s 0 0 1062.91461 0 49 - 1062.91461 - - 0s 0 0 1062.91461 0 52 - 1062.91461 - - 0s 0 0 1062.91461 0 50 - 1062.91461 - - 0s H 0 0 1226.0000000 1062.91461 13.3% - 0s H 0 0 1078.0000000 1062.91461 1.40% - 0s 0 0 1062.91461 0 53 1078.00000 1062.91461 1.40% - 0s 0 0 1062.91461 0 10 1078.00000 1062.91461 1.40% - 0s 0 0 1062.91461 0 41 1078.00000 1062.91461 1.40% - 0s 0 0 1062.91461 0 47 1078.00000 1062.91461 1.40% - 0s 0 0 1063.01404 0 56 1078.00000 1063.01404 1.39% - 0s 0 0 1063.02444 0 56 1078.00000 1063.02444 1.39% - 0s 0 0 1063.06297 0 56 1078.00000 1063.06297 1.39% - 0s 0 0 1063.08013 0 59 1078.00000 1063.08013 1.38% - 0s 0 0 1063.09346 0 61 1078.00000 1063.09346 1.38% - 0s 0 0 1063.09951 0 52 1078.00000 1063.09951 1.38% - 0s 0 0 1063.10901 0 60 1078.00000 1063.10901 1.38% - 0s 0 0 1063.11333 0 60 1078.00000 1063.11333 1.38% - 0s 0 0 1063.13217 0 54 1078.00000 1063.13217 1.38% - 0s 0 0 1063.13217 0 57 1078.00000 1063.13217 1.38% - 0s 0 0 1063.13664 0 58 1078.00000 1063.13664 1.38% - 0s 0 0 1063.13664 0 61 1078.00000 1063.13664 1.38% - 0s 0 0 1063.14296 0 57 1078.00000 1063.14296 1.38% - 0s 0 0 1063.14998 0 54 1078.00000 1063.14998 1.38% - 0s 0 0 1063.14998 0 57 1078.00000 1063.14998 1.38% - 0s 0 0 1063.15388 0 55 1078.00000 1063.15388 1.38% - 1s 0 0 1063.15393 0 59 1078.00000 1063.15393 1.38% - 1s 0 0 1063.15393 0 59 1078.00000 1063.15393 1.38% - 1s H 0 0 1077.0000000 1063.15393 1.29% - 1s 0 2 1063.15416 0 59 1077.00000 1063.15416 1.29% - 1s H 141 89 1075.0000000 1064.81818 0.95% 7.4 1s Cutting planes: Gomory: 5 Zero half: 7 Explored 1427 nodes (12718 simplex iterations) in 3.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 15), (12, 33), (12, 14), (15, 32), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 551 rows, 528 columns and 54483 nonzeros Presolve time: 0.03s Presolved: 551 rows, 528 columns, 54483 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1083.0000000 1062.00000 1.94% - 0s 0 0 1062.53846 0 41 1083.00000 1062.53846 1.89% - 0s 0 0 1062.53846 0 10 1083.00000 1062.53846 1.89% - 0s 0 0 1062.61585 0 45 1083.00000 1062.61585 1.88% - 0s H 0 0 1082.0000000 1062.61585 1.79% - 0s 0 0 1062.61585 0 48 1082.00000 1062.61585 1.79% - 0s 0 0 1063.00000 0 12 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 16 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 14 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 16 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 15 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 17 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 18 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 18 1082.00000 1063.00000 1.76% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 2 1063.00000 0 18 1078.00000 1063.00000 1.39% - 0s H 27 14 1075.0000000 1063.57293 1.06% 8.3 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 707 nodes (5662 simplex iterations) in 1.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 15), (7, 8), (7, 10), (9, 33), (9, 10), (12, 33), (12, 14), (15, 32)] Optimize a model with 552 rows, 528 columns and 54528 nonzeros Presolve time: 0.03s Presolved: 552 rows, 528 columns, 54528 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.00000 0 31 1086.00000 1062.00000 2.21% - 0s 0 0 1062.00000 0 10 1086.00000 1062.00000 2.21% - 0s 0 0 1062.51746 0 41 1086.00000 1062.51746 2.16% - 0s 0 0 1062.80408 0 35 1086.00000 1062.80408 2.14% - 0s 0 0 1062.96123 0 37 1086.00000 1062.96123 2.12% - 0s 0 0 1062.96123 0 37 1086.00000 1062.96123 2.12% - 0s 0 0 1062.96123 0 38 1086.00000 1062.96123 2.12% - 0s 0 0 1062.96123 0 38 1086.00000 1062.96123 2.12% - 0s 0 0 1062.96123 0 41 1086.00000 1062.96123 2.12% - 0s 0 0 1062.96123 0 38 1086.00000 1062.96123 2.12% - 0s H 0 0 1082.0000000 1062.96123 1.76% - 0s H 0 0 1075.0000000 1062.96123 1.12% - 0s 0 2 1062.99043 0 38 1075.00000 1062.99043 1.12% - 0s Cutting planes: Gomory: 3 Zero half: 1 Explored 1286 nodes (10844 simplex iterations) in 3.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (9, 33), (9, 10), (11, 33), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 553 rows, 528 columns and 54664 nonzeros Presolve time: 0.03s Presolved: 553 rows, 528 columns, 54664 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.53846 0 41 - 1062.53846 - - 0s 0 0 1062.83977 0 48 - 1062.83977 - - 0s 0 0 1062.94894 0 48 - 1062.94894 - - 0s 0 0 1063.04597 0 39 - 1063.04597 - - 0s 0 0 1063.04597 0 37 - 1063.04597 - - 0s 0 0 1063.04597 0 41 - 1063.04597 - - 0s 0 0 1063.04597 0 35 - 1063.04597 - - 0s 0 0 1063.04597 0 41 - 1063.04597 - - 0s 0 0 1063.05903 0 56 - 1063.05903 - - 0s H 0 0 1202.0000000 1063.05903 11.6% - 0s H 0 0 1085.0000000 1063.05903 2.02% - 0s 0 0 1063.05903 0 59 1085.00000 1063.05903 2.02% - 0s 0 0 1063.05903 0 10 1085.00000 1063.05903 2.02% - 0s 0 0 1063.05903 0 39 1085.00000 1063.05903 2.02% - 0s H 0 0 1084.0000000 1063.05903 1.93% - 0s 0 0 1063.12454 0 46 1084.00000 1063.12454 1.93% - 0s 0 0 1063.12544 0 55 1084.00000 1063.12544 1.93% - 0s 0 0 1063.15425 0 57 1084.00000 1063.15425 1.92% - 0s 0 0 1063.22829 0 27 1084.00000 1063.22829 1.92% - 0s 0 0 1063.25555 0 51 1084.00000 1063.25555 1.91% - 0s 0 0 1063.25555 0 53 1084.00000 1063.25555 1.91% - 0s 0 0 1063.25555 0 48 1084.00000 1063.25555 1.91% - 0s 0 0 1063.25555 0 51 1084.00000 1063.25555 1.91% - 0s 0 0 1063.25555 0 51 1084.00000 1063.25555 1.91% - 0s 0 0 1063.25555 0 51 1084.00000 1063.25555 1.91% - 1s H 0 0 1077.0000000 1063.25555 1.28% - 1s H 0 0 1076.0000000 1063.25555 1.18% - 1s 0 2 1063.25727 0 51 1076.00000 1063.25727 1.18% - 1s * 61 35 28 1075.0000000 1064.06771 1.02% 12.4 1s Cutting planes: Gomory: 5 Zero half: 8 Explored 778 nodes (6917 simplex iterations) in 2.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 11), (9, 12), (10, 11), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 554 rows, 528 columns and 54784 nonzeros Presolve time: 0.03s Presolved: 554 rows, 528 columns, 54784 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.51231 0 35 1075.00000 1062.51231 1.16% - 0s 0 0 1062.51231 0 10 1075.00000 1062.51231 1.16% - 0s 0 0 1062.65469 0 44 1075.00000 1062.65469 1.15% - 0s 0 0 1062.86901 0 38 1075.00000 1062.86901 1.13% - 0s 0 0 1063.05924 0 50 1075.00000 1063.05924 1.11% - 0s 0 0 1063.05924 0 53 1075.00000 1063.05924 1.11% - 0s 0 0 1063.08377 0 57 1075.00000 1063.08377 1.11% - 0s 0 0 1063.09258 0 59 1075.00000 1063.09258 1.11% - 0s 0 0 1063.19455 0 49 1075.00000 1063.19455 1.10% - 0s 0 0 1063.19455 0 53 1075.00000 1063.19455 1.10% - 0s 0 0 1063.21290 0 52 1075.00000 1063.21290 1.10% - 0s 0 0 1063.21290 0 55 1075.00000 1063.21290 1.10% - 0s 0 0 1063.25548 0 54 1075.00000 1063.25548 1.09% - 0s 0 0 1063.26203 0 58 1075.00000 1063.26203 1.09% - 0s 0 0 1063.28379 0 57 1075.00000 1063.28379 1.09% - 0s 0 0 1063.29521 0 58 1075.00000 1063.29521 1.09% - 0s 0 0 1063.30004 0 59 1075.00000 1063.30004 1.09% - 0s 0 0 1063.30208 0 60 1075.00000 1063.30208 1.09% - 0s 0 0 1063.33415 0 60 1075.00000 1063.33415 1.09% - 0s 0 0 1063.33533 0 61 1075.00000 1063.33533 1.09% - 0s 0 0 1063.36409 0 60 1075.00000 1063.36409 1.08% - 0s 0 0 1063.36775 0 64 1075.00000 1063.36775 1.08% - 0s 0 0 1063.36775 0 64 1075.00000 1063.36775 1.08% - 0s 0 0 1063.36775 0 64 1075.00000 1063.36775 1.08% - 1s 0 2 1063.36847 0 63 1075.00000 1063.36847 1.08% - 1s Cutting planes: Gomory: 4 Zero half: 9 Mod-K: 1 Explored 1442 nodes (12788 simplex iterations) in 3.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 10), (9, 12), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 555 rows, 528 columns and 54920 nonzeros Presolve time: 0.03s Presolved: 555 rows, 528 columns, 54920 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.51231 0 35 - 1062.51231 - - 0s 0 0 1062.76667 0 40 - 1062.76667 - - 0s 0 0 1062.90364 0 39 - 1062.90364 - - 0s 0 0 1062.91461 0 45 - 1062.91461 - - 0s 0 0 1062.91461 0 46 - 1062.91461 - - 0s 0 0 1062.91461 0 49 - 1062.91461 - - 0s 0 0 1062.91461 0 48 - 1062.91461 - - 0s 0 0 1062.91461 0 51 - 1062.91461 - - 0s 0 0 1062.91461 0 49 - 1062.91461 - - 0s H 0 0 1121.0000000 1062.91461 5.18% - 0s H 0 0 1094.0000000 1062.91461 2.84% - 0s 0 0 1062.91461 0 52 1094.00000 1062.91461 2.84% - 0s H 0 0 1078.0000000 1062.91461 1.40% - 0s H 0 0 1077.0000000 1062.91461 1.31% - 0s 0 0 1062.91461 0 10 1077.00000 1062.91461 1.31% - 0s 0 0 1062.91461 0 41 1077.00000 1062.91461 1.31% - 0s H 0 0 1075.0000000 1062.91461 1.12% - 0s 0 0 1062.91461 0 50 1075.00000 1062.91461 1.12% - 0s 0 0 1062.97227 0 58 1075.00000 1062.97227 1.12% - 0s 0 0 1063.14180 0 51 1075.00000 1063.14180 1.10% - 0s 0 0 1063.15096 0 54 1075.00000 1063.15096 1.10% - 1s 0 0 1063.17640 0 57 1075.00000 1063.17640 1.10% - 1s 0 0 1063.20117 0 51 1075.00000 1063.20117 1.10% - 1s 0 0 1063.20117 0 54 1075.00000 1063.20117 1.10% - 1s 0 0 1063.20117 0 54 1075.00000 1063.20117 1.10% - 1s 0 2 1063.21155 0 54 1075.00000 1063.21155 1.10% - 1s Cutting planes: Gomory: 5 Zero half: 5 Explored 1347 nodes (10788 simplex iterations) in 3.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 12), (10, 11), (11, 19), (12, 13), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 28), (28, 29)] Optimize a model with 556 rows, 528 columns and 55040 nonzeros Presolve time: 0.03s Presolved: 556 rows, 528 columns, 55040 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1082.0000000 1062.00000 1.85% - 0s 0 0 1062.00000 0 31 1082.00000 1062.00000 1.85% - 0s 0 0 1062.00000 0 10 1082.00000 1062.00000 1.85% - 0s 0 0 1062.60720 0 44 1082.00000 1062.60720 1.79% - 0s H 0 0 1078.0000000 1062.60720 1.43% - 0s 0 0 1062.60720 0 47 1078.00000 1062.60720 1.43% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 20 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 2 1063.01141 0 21 1076.00000 1063.01141 1.21% - 0s * 70 31 31 1075.0000000 1064.07160 1.02% 8.0 0s Cutting planes: Gomory: 2 Zero half: 12 Explored 672 nodes (5834 simplex iterations) in 1.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 12), (12, 13), (15, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 557 rows, 528 columns and 55131 nonzeros Presolve time: 0.03s Presolved: 557 rows, 528 columns, 55131 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.00000 0 31 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 12 1078.00000 1062.00000 1.48% - 0s 0 0 1062.39070 0 41 1078.00000 1062.39070 1.45% - 0s 0 0 1062.73636 0 40 1078.00000 1062.73636 1.42% - 0s 0 0 1062.92400 0 33 1078.00000 1062.92400 1.40% - 0s 0 0 1062.93544 0 51 1078.00000 1062.93544 1.40% - 0s 0 0 1062.94620 0 50 1078.00000 1062.94620 1.40% - 0s 0 0 1062.94620 0 53 1078.00000 1062.94620 1.40% - 0s 0 0 1062.97447 0 49 1078.00000 1062.97447 1.39% - 0s 0 0 1062.97447 0 56 1078.00000 1062.97447 1.39% - 0s 0 0 1062.97797 0 56 1078.00000 1062.97797 1.39% - 0s 0 0 1062.97797 0 59 1078.00000 1062.97797 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.13855 0 46 1078.00000 1063.13855 1.38% - 0s 0 0 1063.14197 0 58 1078.00000 1063.14197 1.38% - 0s 0 0 1063.15900 0 55 1078.00000 1063.15900 1.38% - 0s 0 0 1063.15945 0 58 1078.00000 1063.15945 1.38% - 0s 0 0 1063.18641 0 58 1078.00000 1063.18641 1.37% - 0s 0 0 1063.18641 0 61 1078.00000 1063.18641 1.37% - 0s 0 0 1063.20821 0 55 1078.00000 1063.20821 1.37% - 0s H 0 0 1076.0000000 1063.20821 1.19% - 0s 0 0 1063.21582 0 59 1076.00000 1063.21582 1.19% - 0s 0 0 1063.22657 0 59 1076.00000 1063.22657 1.19% - 0s 0 0 1063.22657 0 60 1076.00000 1063.22657 1.19% - 0s 0 0 1063.24355 0 63 1076.00000 1063.24355 1.19% - 0s 0 0 1063.25163 0 64 1076.00000 1063.25163 1.18% - 0s 0 0 1063.27161 0 59 1076.00000 1063.27161 1.18% - 0s 0 0 1063.28039 0 62 1076.00000 1063.28039 1.18% - 0s 0 0 1063.28039 0 62 1076.00000 1063.28039 1.18% - 1s H 0 0 1075.0000000 1063.28039 1.09% - 1s 0 2 1063.29292 0 62 1075.00000 1063.29292 1.09% - 1s Cutting planes: Gomory: 7 Zero half: 22 Explored 981 nodes (7875 simplex iterations) in 2.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 8), (6, 13), (7, 8), (7, 10), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 558 rows, 528 columns and 55251 nonzeros Presolve time: 0.03s Presolved: 558 rows, 528 columns, 55251 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 33 - 1062.65623 - - 0s 0 0 1063.01374 0 44 - 1063.01374 - - 0s 0 0 1063.08038 0 47 - 1063.08038 - - 0s 0 0 1063.13383 0 48 - 1063.13383 - - 0s 0 0 1063.13383 0 50 - 1063.13383 - - 0s 0 0 1063.13877 0 52 - 1063.13877 - - 0s 0 0 1063.14012 0 52 - 1063.14012 - - 0s 0 0 1063.19978 0 55 - 1063.19978 - - 0s 0 0 1063.21418 0 56 - 1063.21418 - - 0s 0 0 1063.22122 0 58 - 1063.22122 - - 0s 0 0 1063.22122 0 61 - 1063.22122 - - 0s 0 0 1063.29249 0 47 - 1063.29249 - - 0s H 0 0 1306.0000000 1063.29249 18.6% - 0s H 0 0 1096.0000000 1063.29249 2.98% - 0s H 0 0 1085.0000000 1063.29249 2.00% - 0s 0 0 1063.29407 0 50 1085.00000 1063.29407 2.00% - 0s 0 0 1063.29407 0 12 1085.00000 1063.29407 2.00% - 0s 0 0 1063.29407 0 43 1085.00000 1063.29407 2.00% - 0s H 0 0 1082.0000000 1063.29407 1.73% - 0s 0 0 1063.29407 0 49 1082.00000 1063.29407 1.73% - 0s 0 0 1063.29407 0 51 1082.00000 1063.29407 1.73% - 0s 0 0 1063.29795 0 49 1082.00000 1063.29795 1.73% - 0s 0 0 1063.29805 0 50 1082.00000 1063.29805 1.73% - 0s 0 0 1063.29807 0 52 1082.00000 1063.29807 1.73% - 0s 0 0 1063.30098 0 50 1082.00000 1063.30098 1.73% - 0s 0 0 1063.30106 0 57 1082.00000 1063.30106 1.73% - 0s 0 0 1063.30118 0 57 1082.00000 1063.30118 1.73% - 1s 0 0 1063.30380 0 45 1082.00000 1063.30380 1.73% - 1s 0 0 1063.30380 0 51 1082.00000 1063.30380 1.73% - 1s 0 0 1063.30380 0 49 1082.00000 1063.30380 1.73% - 1s 0 0 1063.30380 0 52 1082.00000 1063.30380 1.73% - 1s 0 0 1063.31592 0 52 1082.00000 1063.31592 1.73% - 1s 0 0 1063.31770 0 57 1082.00000 1063.31770 1.73% - 1s 0 0 1063.32876 0 54 1082.00000 1063.32876 1.73% - 1s 0 0 1063.32966 0 61 1082.00000 1063.32966 1.73% - 1s 0 0 1063.32966 0 61 1082.00000 1063.32966 1.73% - 1s H 0 0 1078.0000000 1063.32966 1.36% - 1s H 0 0 1077.0000000 1063.32966 1.27% - 1s 0 2 1063.33665 0 61 1077.00000 1063.33665 1.27% - 1s * 100 58 43 1075.0000000 1064.62500 0.97% 7.0 2s Cutting planes: Gomory: 3 Zero half: 13 Explored 906 nodes (7919 simplex iterations) in 2.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 12), (7, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 559 rows, 528 columns and 55387 nonzeros Presolve time: 0.03s Presolved: 559 rows, 528 columns, 55387 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1080.0000000 1062.00000 1.67% - 0s 0 0 1062.30000 0 13 1080.00000 1062.30000 1.64% - 0s 0 0 1062.30000 0 10 1080.00000 1062.30000 1.64% - 0s 0 0 1062.50000 0 10 1080.00000 1062.50000 1.62% - 0s H 0 0 1079.0000000 1062.50000 1.53% - 0s 0 0 1063.05118 0 47 1079.00000 1063.05118 1.48% - 0s 0 0 1063.18000 0 36 1079.00000 1063.18000 1.47% - 0s 0 0 1063.27080 0 37 1079.00000 1063.27080 1.46% - 0s 0 0 1063.27080 0 41 1079.00000 1063.27080 1.46% - 0s 0 0 1063.27080 0 43 1079.00000 1063.27080 1.46% - 0s 0 0 1063.27080 0 45 1079.00000 1063.27080 1.46% - 0s 0 0 1063.27080 0 47 1079.00000 1063.27080 1.46% - 0s 0 0 1063.27080 0 47 1079.00000 1063.27080 1.46% - 0s H 0 0 1076.0000000 1063.27080 1.18% - 0s 0 2 1063.41512 0 47 1076.00000 1063.41512 1.17% - 0s * 106 43 41 1075.0000000 1064.82222 0.95% 6.2 1s Cutting planes: Gomory: 6 Zero half: 4 Explored 752 nodes (6455 simplex iterations) in 1.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 10), (10, 19), (12, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 560 rows, 528 columns and 55492 nonzeros Presolve time: 0.03s Presolved: 560 rows, 528 columns, 55492 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.52727 0 37 - 1062.52727 - - 0s 0 0 1062.85096 0 37 - 1062.85096 - - 0s 0 0 1062.89034 0 53 - 1062.89034 - - 0s 0 0 1062.89104 0 57 - 1062.89104 - - 0s 0 0 1062.89104 0 58 - 1062.89104 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s H 0 0 1149.0000000 1063.00000 7.48% - 0s H 0 0 1140.0000000 1063.00000 6.75% - 0s 0 0 1063.00000 0 16 1140.00000 1063.00000 6.75% - 0s 0 0 1063.00000 0 12 1140.00000 1063.00000 6.75% - 0s H 0 0 1139.0000000 1063.00000 6.67% - 0s H 0 0 1097.0000000 1063.00000 3.10% - 0s 0 0 1063.00000 0 14 1097.00000 1063.00000 3.10% - 0s 0 0 1063.00000 0 14 1097.00000 1063.00000 3.10% - 0s H 0 0 1085.0000000 1063.00000 2.03% - 0s H 0 0 1081.0000000 1063.00000 1.67% - 0s 0 0 1063.00000 0 12 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 12 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 14 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 15 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 17 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 19 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 19 1081.00000 1063.00000 1.67% - 1s 0 2 1063.03311 0 19 1081.00000 1063.03311 1.66% - 1s * 24 17 22 1075.0000000 1063.35517 1.08% 10.3 1s Cutting planes: Gomory: 3 Zero half: 6 Explored 951 nodes (8002 simplex iterations) in 2.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 33), (11, 33), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 10), (9, 10), (9, 12), (12, 14), (15, 32)] Optimize a model with 562 rows, 528 columns and 55625 nonzeros Presolve time: 0.03s Presolved: 562 rows, 528 columns, 55625 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 36 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 39 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 39 - 1062.56000 - - 0s H 0 0 1153.0000000 1062.56000 7.84% - 0s H 0 0 1105.0000000 1062.56000 3.84% - 0s 0 0 1062.56000 0 37 1105.00000 1062.56000 3.84% - 0s 0 0 1062.56000 0 43 1105.00000 1062.56000 3.84% - 0s H 0 0 1093.0000000 1062.56000 2.78% - 0s 0 0 1062.56000 0 42 1093.00000 1062.56000 2.78% - 0s 0 0 1062.56000 0 44 1093.00000 1062.56000 2.78% - 0s 0 0 1062.56000 0 44 1093.00000 1062.56000 2.78% - 0s 0 0 1062.56000 0 10 1093.00000 1062.56000 2.78% - 1s 0 0 1062.65027 0 44 1093.00000 1062.65027 2.78% - 1s 0 0 1062.65027 0 47 1093.00000 1062.65027 2.78% - 1s 0 0 1062.95962 0 47 1093.00000 1062.95962 2.75% - 1s 0 0 1063.00000 0 8 1093.00000 1063.00000 2.74% - 1s 0 0 1063.00000 0 15 1093.00000 1063.00000 2.74% - 1s 0 0 1063.00000 0 17 1093.00000 1063.00000 2.74% - 1s 0 0 1063.03195 0 49 1093.00000 1063.03195 2.74% - 1s 0 0 1063.03195 0 56 1093.00000 1063.03195 2.74% - 1s 0 0 1063.03195 0 53 1093.00000 1063.03195 2.74% - 1s H 0 0 1076.0000000 1063.03195 1.21% - 1s 0 0 1063.03195 0 54 1076.00000 1063.03195 1.21% - 1s 0 2 1063.36603 0 54 1076.00000 1063.36603 1.17% - 1s * 59 20 40 1075.0000000 1063.62723 1.06% 18.6 3s Cutting planes: Gomory: 10 Zero half: 16 Mod-K: 2 Explored 905 nodes (9468 simplex iterations) in 4.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 11), (11, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (6, 13), (7, 8), (8, 10), (10, 33), (12, 33), (12, 14)] Optimize a model with 564 rows, 528 columns and 55748 nonzeros Presolve time: 0.03s Presolved: 564 rows, 528 columns, 55748 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 126 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1063.00000 0 14 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 8 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 12 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 10 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 14 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 14 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 15 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 15 1086.00000 1063.00000 2.12% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 2 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s H 27 17 1075.0000000 1063.46667 1.07% 10.6 0s Cutting planes: Gomory: 4 Zero half: 1 Explored 1219 nodes (10428 simplex iterations) in 2.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 9), (9, 10), (10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 565 rows, 528 columns and 55868 nonzeros Presolve time: 0.03s Presolved: 565 rows, 528 columns, 55868 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 32 - 1062.65623 - - 0s 0 0 1063.01374 0 44 - 1063.01374 - - 0s 0 0 1063.07047 0 47 - 1063.07047 - - 0s 0 0 1063.12777 0 52 - 1063.12777 - - 0s 0 0 1063.12777 0 53 - 1063.12777 - - 0s 0 0 1063.13304 0 52 - 1063.13304 - - 0s 0 0 1063.13304 0 53 - 1063.13304 - - 0s 0 0 1063.18777 0 58 - 1063.18777 - - 0s 0 0 1063.20403 0 57 - 1063.20403 - - 0s 0 0 1063.20685 0 56 - 1063.20685 - - 0s 0 0 1063.22853 0 56 - 1063.22853 - - 0s 0 0 1063.24386 0 54 - 1063.24386 - - 0s 0 0 1063.26073 0 57 - 1063.26073 - - 0s 0 0 1063.27417 0 57 - 1063.27417 - - 0s 0 0 1063.28164 0 59 - 1063.28164 - - 0s 0 0 1063.28660 0 60 - 1063.28660 - - 0s 0 0 1063.29003 0 60 - 1063.29003 - - 0s 0 0 1063.29469 0 62 - 1063.29469 - - 0s 0 0 1063.29489 0 62 - 1063.29489 - - 0s 0 0 1063.29808 0 62 - 1063.29808 - - 0s H 0 0 1266.0000000 1063.29808 16.0% - 0s H 0 0 1097.0000000 1063.29808 3.07% - 0s 0 0 1063.30668 0 66 1097.00000 1063.30668 3.07% - 0s 0 0 1063.30668 0 66 1097.00000 1063.30668 3.07% - 1s H 0 0 1089.0000000 1063.30668 2.36% - 1s H 0 0 1085.0000000 1063.30668 2.00% - 1s H 0 0 1077.0000000 1063.30668 1.27% - 1s 0 0 1063.30668 0 10 1077.00000 1063.30668 1.27% - 1s 0 0 1063.30668 0 59 1077.00000 1063.30668 1.27% - 1s 0 0 1063.30668 0 65 1077.00000 1063.30668 1.27% - 1s 0 0 1063.30668 0 58 1077.00000 1063.30668 1.27% - 1s 0 0 1063.30668 0 23 1077.00000 1063.30668 1.27% - 1s 0 0 1063.30668 0 60 1077.00000 1063.30668 1.27% - 1s 0 0 1063.30696 0 65 1077.00000 1063.30696 1.27% - 1s 0 0 1063.30696 0 65 1077.00000 1063.30696 1.27% - 1s 0 2 1063.30826 0 65 1077.00000 1063.30826 1.27% - 2s * 70 37 34 1075.0000000 1065.00000 0.93% 8.9 2s Cutting planes: Gomory: 4 Zero half: 17 Mod-K: 1 Explored 763 nodes (7655 simplex iterations) in 3.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(10, 33), (15, 16), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (6, 13), (7, 8), (8, 9), (9, 11), (11, 12), (12, 14)] Optimize a model with 567 rows, 528 columns and 55991 nonzeros Presolve time: 0.03s Presolved: 567 rows, 528 columns, 55991 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 45 - 1062.56000 - - 0s H 0 0 1096.0000000 1062.56000 3.05% - 0s 0 0 1062.56000 0 40 1096.00000 1062.56000 3.05% - 0s 0 0 1062.56000 0 44 1096.00000 1062.56000 3.05% - 0s 0 0 1062.56000 0 44 1096.00000 1062.56000 3.05% - 0s H 0 0 1083.0000000 1062.56000 1.89% - 0s H 0 0 1081.0000000 1062.56000 1.71% - 0s H 0 0 1078.0000000 1062.56000 1.43% - 0s 0 0 1062.56000 0 10 1078.00000 1062.56000 1.43% - 0s 0 0 1062.62771 0 45 1078.00000 1062.62771 1.43% - 0s 0 0 1062.90550 0 40 1078.00000 1062.90550 1.40% - 0s 0 0 1063.06039 0 45 1078.00000 1063.06039 1.39% - 0s 0 0 1063.10494 0 53 1078.00000 1063.10494 1.38% - 0s 0 0 1063.10494 0 51 1078.00000 1063.10494 1.38% - 0s 0 0 1063.10494 0 54 1078.00000 1063.10494 1.38% - 0s 0 0 1063.19061 0 46 1078.00000 1063.19061 1.37% - 0s 0 0 1063.20748 0 51 1078.00000 1063.20748 1.37% - 0s 0 0 1063.20748 0 53 1078.00000 1063.20748 1.37% - 0s 0 0 1063.20748 0 54 1078.00000 1063.20748 1.37% - 1s 0 0 1063.29446 0 50 1078.00000 1063.29446 1.36% - 1s 0 0 1063.30024 0 57 1078.00000 1063.30024 1.36% - 1s 0 0 1063.30024 0 55 1078.00000 1063.30024 1.36% - 1s 0 0 1063.30024 0 58 1078.00000 1063.30024 1.36% - 1s 0 0 1063.32609 0 41 1078.00000 1063.32609 1.36% - 1s 0 0 1063.32805 0 57 1078.00000 1063.32805 1.36% - 1s 0 0 1063.32959 0 59 1078.00000 1063.32959 1.36% - 1s 0 0 1063.33087 0 46 1078.00000 1063.33087 1.36% - 1s 0 0 1063.33087 0 49 1078.00000 1063.33087 1.36% - 1s 0 0 1063.33140 0 59 1078.00000 1063.33140 1.36% - 1s 0 0 1063.33140 0 57 1078.00000 1063.33140 1.36% - 1s H 0 0 1076.0000000 1063.33140 1.18% - 1s 0 2 1063.33213 0 57 1076.00000 1063.33213 1.18% - 1s * 167 73 8 1075.0000000 1065.08511 0.92% 7.6 2s Cutting planes: Gomory: 7 Zero half: 12 Explored 883 nodes (7381 simplex iterations) in 2.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(12, 33), (16, 32), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 568 rows, 528 columns and 56069 nonzeros Presolve time: 0.03s Presolved: 568 rows, 528 columns, 56069 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.25000 0 13 - 1062.25000 - - 0s 0 0 1062.59974 0 43 - 1062.59974 - - 0s 0 0 1063.09589 0 51 - 1063.09589 - - 0s 0 0 1063.12818 0 51 - 1063.12818 - - 0s 0 0 1063.12818 0 55 - 1063.12818 - - 0s 0 0 1063.15210 0 48 - 1063.15210 - - 0s 0 0 1063.15210 0 54 - 1063.15210 - - 0s 0 0 1063.15534 0 55 - 1063.15534 - - 0s 0 0 1063.15534 0 58 - 1063.15534 - - 0s 0 0 1063.16528 0 56 - 1063.16528 - - 0s H 0 0 1091.0000000 1063.16528 2.55% - 0s H 0 0 1090.0000000 1063.16528 2.46% - 0s H 0 0 1083.0000000 1063.16528 1.83% - 0s 0 0 1063.17456 0 57 1083.00000 1063.17456 1.83% - 0s 0 0 1063.17456 0 10 1083.00000 1063.17456 1.83% - 0s 0 0 1063.17456 0 44 1083.00000 1063.17456 1.83% - 0s H 0 0 1079.0000000 1063.17456 1.47% - 0s 0 0 1063.18509 0 48 1079.00000 1063.18509 1.47% - 0s 0 0 1063.19352 0 52 1079.00000 1063.19352 1.46% - 0s 0 0 1063.19352 0 52 1079.00000 1063.19352 1.46% - 0s 0 0 1063.19352 0 55 1079.00000 1063.19352 1.46% - 0s 0 0 1063.28079 0 45 1079.00000 1063.28079 1.46% - 0s 0 0 1063.30341 0 52 1079.00000 1063.30341 1.45% - 0s 0 0 1063.30341 0 55 1079.00000 1063.30341 1.45% - 0s 0 0 1063.30341 0 56 1079.00000 1063.30341 1.45% - 0s 0 0 1063.30341 0 59 1079.00000 1063.30341 1.45% - 1s 0 0 1063.30341 0 57 1079.00000 1063.30341 1.45% - 1s H 0 0 1075.0000000 1063.30341 1.09% - 1s 0 2 1063.37090 0 57 1075.00000 1063.37090 1.08% - 1s Cutting planes: Gomory: 4 Zero half: 18 Explored 623 nodes (5734 simplex iterations) in 2.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 16), (6, 7), (7, 8), (8, 12), (12, 14), (15, 32), (15, 16)] Optimize a model with 570 rows, 528 columns and 56196 nonzeros Presolve time: 0.03s Presolved: 570 rows, 528 columns, 56196 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1083.0000000 1062.00000 1.94% - 0s 0 0 1062.25000 0 13 1083.00000 1062.25000 1.92% - 0s 0 0 1062.25000 0 10 1083.00000 1062.25000 1.92% - 0s 0 0 1062.61585 0 45 1083.00000 1062.61585 1.88% - 0s H 0 0 1077.0000000 1062.61585 1.34% - 0s 0 0 1062.61585 0 48 1077.00000 1062.61585 1.34% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 2 1063.01418 0 17 1077.00000 1063.01418 1.30% - 0s * 52 17 16 1075.0000000 1063.86248 1.04% 7.3 1s Cutting planes: Gomory: 4 Zero half: 7 Explored 624 nodes (5234 simplex iterations) in 1.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (8, 10), (8, 13), (9, 10), (9, 11), (11, 33), (14, 33)] Optimize a model with 572 rows, 528 columns and 56323 nonzeros Presolve time: 0.03s Presolved: 572 rows, 528 columns, 56323 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1179.0000000 1062.00000 9.92% - 0s 0 0 1062.30000 0 13 1179.00000 1062.30000 9.90% - 0s 0 0 1062.65623 0 32 1179.00000 1062.65623 9.87% - 0s H 0 0 1116.0000000 1062.65623 4.78% - 0s 0 0 1063.01374 0 44 1116.00000 1063.01374 4.75% - 0s 0 0 1063.07047 0 47 1116.00000 1063.07047 4.74% - 0s 0 0 1063.12777 0 52 1116.00000 1063.12777 4.74% - 0s 0 0 1063.12777 0 53 1116.00000 1063.12777 4.74% - 0s 0 0 1063.13682 0 51 1116.00000 1063.13682 4.74% - 0s H 0 0 1080.0000000 1063.13682 1.56% - 0s 0 0 1063.13682 0 54 1080.00000 1063.13682 1.56% - 0s 0 0 1063.13682 0 10 1080.00000 1063.13682 1.56% - 0s 0 0 1063.13682 0 43 1080.00000 1063.13682 1.56% - 0s 0 0 1063.15053 0 49 1080.00000 1063.15053 1.56% - 0s 0 0 1063.16210 0 54 1080.00000 1063.16210 1.56% - 0s 0 0 1063.22495 0 45 1080.00000 1063.22495 1.55% - 0s 0 0 1063.23570 0 46 1080.00000 1063.23570 1.55% - 0s 0 0 1063.23834 0 52 1080.00000 1063.23834 1.55% - 0s 0 0 1063.23834 0 55 1080.00000 1063.23834 1.55% - 0s 0 0 1063.27529 0 57 1080.00000 1063.27529 1.55% - 0s 0 0 1063.28749 0 43 1080.00000 1063.28749 1.55% - 0s 0 0 1063.29125 0 51 1080.00000 1063.29125 1.55% - 0s 0 0 1063.29125 0 50 1080.00000 1063.29125 1.55% - 0s 0 0 1063.29125 0 54 1080.00000 1063.29125 1.55% - 0s 0 0 1063.29125 0 50 1080.00000 1063.29125 1.55% - 0s H 0 0 1078.0000000 1063.29125 1.36% - 1s 0 2 1063.29529 0 50 1078.00000 1063.29529 1.36% - 1s * 57 23 55 1077.0000000 1064.00000 1.21% 6.8 1s * 78 34 26 1075.0000000 1064.14286 1.01% 6.3 1s Cutting planes: Gomory: 4 Zero half: 12 Explored 730 nodes (6487 simplex iterations) in 2.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 11), (6, 12), (11, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 573 rows, 528 columns and 56414 nonzeros Presolve time: 0.03s Presolved: 573 rows, 528 columns, 56414 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.30000 0 13 1076.00000 1062.30000 1.27% - 0s 0 0 1062.30000 0 10 1076.00000 1062.30000 1.27% - 0s 0 0 1062.39086 0 29 1076.00000 1062.39086 1.26% - 0s 0 0 1062.98025 0 39 1076.00000 1062.98025 1.21% - 0s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 23 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 15 1076.00000 1063.00000 1.21% - 0s H 0 0 1075.0000000 1063.00000 1.12% - 0s 0 0 1063.00000 0 21 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 15 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 21 1075.00000 1063.00000 1.12% - 0s 0 0 1063.00000 0 21 1075.00000 1063.00000 1.12% - 0s 0 2 1063.00000 0 15 1075.00000 1063.00000 1.12% - 0s Cutting planes: Gomory: 3 Explored 1233 nodes (10757 simplex iterations) in 2.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 574 rows, 528 columns and 56534 nonzeros Presolve time: 0.03s Presolved: 574 rows, 528 columns, 56534 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 45 - 1062.56000 - - 0s 0 0 1062.56000 0 40 - 1062.56000 - - 0s H 0 0 1121.0000000 1062.56000 5.21% - 0s H 0 0 1104.0000000 1062.56000 3.75% - 0s 0 0 1062.56000 0 44 1104.00000 1062.56000 3.75% - 0s 0 0 1062.56000 0 44 1104.00000 1062.56000 3.75% - 0s H 0 0 1083.0000000 1062.56000 1.89% - 0s H 0 0 1081.0000000 1062.56000 1.71% - 0s H 0 0 1078.0000000 1062.56000 1.43% - 0s 0 0 1062.56000 0 10 1078.00000 1062.56000 1.43% - 0s 0 0 1062.62771 0 45 1078.00000 1062.62771 1.43% - 0s 0 0 1062.90550 0 34 1078.00000 1062.90550 1.40% - 0s 0 0 1063.06039 0 45 1078.00000 1063.06039 1.39% - 0s 0 0 1063.10494 0 53 1078.00000 1063.10494 1.38% - 0s 0 0 1063.10494 0 51 1078.00000 1063.10494 1.38% - 0s 0 0 1063.10494 0 54 1078.00000 1063.10494 1.38% - 0s 0 0 1063.19525 0 47 1078.00000 1063.19525 1.37% - 0s 0 0 1063.20748 0 52 1078.00000 1063.20748 1.37% - 0s 0 0 1063.20748 0 50 1078.00000 1063.20748 1.37% - 1s 0 0 1063.20748 0 53 1078.00000 1063.20748 1.37% - 1s 0 0 1063.27869 0 35 1078.00000 1063.27869 1.37% - 1s 0 0 1063.27869 0 41 1078.00000 1063.27869 1.37% - 1s 0 0 1063.27869 0 39 1078.00000 1063.27869 1.37% - 1s 0 0 1063.27869 0 38 1078.00000 1063.27869 1.37% - 1s 0 0 1063.27869 0 44 1078.00000 1063.27869 1.37% - 1s 0 0 1063.27869 0 38 1078.00000 1063.27869 1.37% - 1s 0 0 1063.27869 0 41 1078.00000 1063.27869 1.37% - 1s 0 0 1063.27869 0 42 1078.00000 1063.27869 1.37% - 1s H 0 0 1077.0000000 1063.27869 1.27% - 1s 0 2 1063.31490 0 42 1077.00000 1063.31490 1.27% - 1s H 27 19 1076.0000000 1063.65278 1.15% 10.1 1s * 81 44 28 1075.0000000 1064.08663 1.02% 6.8 1s Cutting planes: Gomory: 3 Zero half: 4 Explored 1189 nodes (10226 simplex iterations) in 3.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 8), (6, 12), (8, 9), (9, 10), (10, 11), (11, 33), (12, 13), (14, 33)] Optimize a model with 576 rows, 528 columns and 56655 nonzeros Presolve time: 0.03s Presolved: 576 rows, 528 columns, 56655 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 39 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s H 0 0 1083.0000000 1062.56000 1.89% - 0s H 0 0 1081.0000000 1062.56000 1.71% - 0s 0 0 1062.56000 0 12 1081.00000 1062.56000 1.71% - 0s 0 0 1062.61157 0 34 1081.00000 1062.61157 1.70% - 0s H 0 0 1078.0000000 1062.61157 1.43% - 0s 0 0 1062.62088 0 38 1078.00000 1062.62088 1.43% - 0s 0 0 1062.62088 0 40 1078.00000 1062.62088 1.43% - 0s 0 0 1062.62088 0 39 1078.00000 1062.62088 1.43% - 0s 0 0 1062.62088 0 39 1078.00000 1062.62088 1.43% - 0s 0 0 1062.62088 0 43 1078.00000 1062.62088 1.43% - 0s 0 0 1062.62088 0 42 1078.00000 1062.62088 1.43% - 0s 0 0 1062.62088 0 45 1078.00000 1062.62088 1.43% - 1s 0 0 1062.62088 0 42 1078.00000 1062.62088 1.43% - 1s 0 2 1062.64894 0 42 1078.00000 1062.64894 1.42% - 1s * 48 19 47 1077.0000000 1063.85000 1.22% 4.8 1s * 161 92 31 1075.0000000 1064.50000 0.98% 6.6 1s Cutting planes: Gomory: 3 Zero half: 11 Explored 1135 nodes (9030 simplex iterations) in 2.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 12), (6, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 577 rows, 528 columns and 56775 nonzeros Presolve time: 0.03s Presolved: 577 rows, 528 columns, 56775 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 32 - 1062.65623 - - 0s 0 0 1063.01374 0 44 - 1063.01374 - - 0s 0 0 1063.05584 0 47 - 1063.05584 - - 0s 0 0 1063.12335 0 49 - 1063.12335 - - 0s 0 0 1063.12335 0 49 - 1063.12335 - - 0s 0 0 1063.12575 0 51 - 1063.12575 - - 0s 0 0 1063.13105 0 54 - 1063.13105 - - 0s 0 0 1063.17747 0 52 - 1063.17747 - - 0s 0 0 1063.18245 0 56 - 1063.18245 - - 0s 0 0 1063.19549 0 54 - 1063.19549 - - 0s 0 0 1063.20005 0 47 - 1063.20005 - - 0s 0 0 1063.20005 0 51 - 1063.20005 - - 0s 0 0 1063.20416 0 56 - 1063.20416 - - 0s 0 0 1063.21809 0 57 - 1063.21809 - - 0s 0 0 1063.22115 0 57 - 1063.22115 - - 0s 0 0 1063.22292 0 59 - 1063.22292 - - 0s 0 0 1063.22292 0 57 - 1063.22292 - - 0s H 0 0 1151.0000000 1063.22292 7.63% - 0s H 0 0 1094.0000000 1063.22292 2.81% - 0s H 0 0 1080.0000000 1063.22292 1.55% - 0s 0 0 1063.22292 0 60 1080.00000 1063.22292 1.55% - 0s 0 0 1063.22292 0 10 1080.00000 1063.22292 1.55% - 0s 0 0 1063.22292 0 57 1080.00000 1063.22292 1.55% - 0s 0 0 1063.22292 0 55 1080.00000 1063.22292 1.55% - 0s 0 0 1063.28690 0 54 1080.00000 1063.28690 1.55% - 0s 0 0 1063.33191 0 59 1080.00000 1063.33191 1.54% - 0s 0 0 1063.33233 0 64 1080.00000 1063.33233 1.54% - 0s 0 0 1063.33338 0 58 1080.00000 1063.33338 1.54% - 1s 0 0 1063.33377 0 59 1080.00000 1063.33377 1.54% - 1s 0 0 1063.33377 0 59 1080.00000 1063.33377 1.54% - 1s H 0 0 1079.0000000 1063.33377 1.45% - 1s 0 2 1063.33803 0 59 1079.00000 1063.33803 1.45% - 1s * 37 19 36 1077.0000000 1064.36275 1.17% 8.2 1s * 104 54 11 1076.0000000 1065.00000 1.02% 8.2 1s * 199 94 22 1075.0000000 1065.66667 0.87% 8.0 1s Cutting planes: Gomory: 4 Zero half: 10 Explored 796 nodes (7416 simplex iterations) in 2.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 578 rows, 528 columns and 56853 nonzeros Presolve time: 0.03s Presolved: 578 rows, 528 columns, 56853 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 39 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s H 0 0 1083.0000000 1062.56000 1.89% - 0s H 0 0 1081.0000000 1062.56000 1.71% - 0s 0 0 1062.56000 0 12 1081.00000 1062.56000 1.71% - 0s 0 0 1062.61240 0 36 1081.00000 1062.61240 1.70% - 0s H 0 0 1078.0000000 1062.61240 1.43% - 0s 0 0 1062.62088 0 38 1078.00000 1062.62088 1.43% - 0s 0 0 1062.87896 0 33 1078.00000 1062.87896 1.40% - 0s 0 0 1062.87896 0 37 1078.00000 1062.87896 1.40% - 0s 0 0 1062.87896 0 39 1078.00000 1062.87896 1.40% - 0s 0 0 1062.87896 0 43 1078.00000 1062.87896 1.40% - 0s 0 0 1062.87896 0 37 1078.00000 1062.87896 1.40% - 0s 0 0 1062.87896 0 41 1078.00000 1062.87896 1.40% - 0s 0 0 1062.87896 0 37 1078.00000 1062.87896 1.40% - 1s H 0 0 1076.0000000 1062.87896 1.22% - 1s 0 2 1062.87896 0 37 1076.00000 1062.87896 1.22% - 1s * 202 108 11 1075.0000000 1065.70000 0.87% 6.7 1s Cutting planes: Gomory: 2 Zero half: 13 Explored 1080 nodes (8387 simplex iterations) in 2.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 12), (11, 19), (12, 13), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 579 rows, 528 columns and 56931 nonzeros Presolve time: 0.03s Presolved: 579 rows, 528 columns, 56931 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 35 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 38 - 1062.56000 - - 0s 0 0 1062.56000 0 42 - 1062.56000 - - 0s 0 0 1062.56000 0 40 - 1062.56000 - - 0s 0 0 1062.56000 0 42 - 1062.56000 - - 0s H 0 0 1197.0000000 1062.56000 11.2% - 0s H 0 0 1087.0000000 1062.56000 2.25% - 0s 0 0 1062.56000 0 43 1087.00000 1062.56000 2.25% - 0s 0 0 1062.56000 0 10 1087.00000 1062.56000 2.25% - 0s H 0 0 1080.0000000 1062.56000 1.61% - 0s 0 0 1062.62092 0 45 1080.00000 1062.62092 1.61% - 0s 0 0 1062.82340 0 50 1080.00000 1062.82340 1.59% - 0s 0 0 1062.94947 0 49 1080.00000 1062.94947 1.58% - 0s 0 0 1063.06096 0 30 1080.00000 1063.06096 1.57% - 0s 0 2 1063.19737 0 30 1080.00000 1063.19737 1.56% - 0s H 16 11 1079.0000000 1063.49779 1.44% 0.0 1s * 23 15 14 1078.0000000 1063.71459 1.33% 28.4 2s H 50 20 1076.0000000 1065.38889 0.99% 23.1 2s * 283 91 17 1075.0000000 1068.25000 0.63% 10.4 2s Cutting planes: Gomory: 8 Zero half: 4 Mod-K: 1 Explored 1082 nodes (8830 simplex iterations) in 3.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 10), (9, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 580 rows, 528 columns and 57036 nonzeros Presolve time: 0.03s Presolved: 580 rows, 528 columns, 57036 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 33 - 1062.65623 - - 0s 0 0 1063.01374 0 44 - 1063.01374 - - 0s 0 0 1063.07054 0 49 - 1063.07054 - - 0s 0 0 1063.08038 0 49 - 1063.08038 - - 0s 0 0 1063.13383 0 50 - 1063.13383 - - 0s 0 0 1063.13877 0 54 - 1063.13877 - - 0s 0 0 1063.20065 0 51 - 1063.20065 - - 0s 0 0 1063.21894 0 48 - 1063.21894 - - 0s 0 0 1063.21894 0 54 - 1063.21894 - - 0s 0 0 1063.21894 0 52 - 1063.21894 - - 0s 0 0 1063.21894 0 55 - 1063.21894 - - 0s 0 0 1063.22452 0 56 - 1063.22452 - - 0s H 0 0 1164.0000000 1063.22452 8.66% - 0s H 0 0 1093.0000000 1063.22452 2.72% - 0s H 0 0 1080.0000000 1063.22452 1.55% - 0s 0 0 1063.22452 0 57 1080.00000 1063.22452 1.55% - 0s 0 0 1063.22452 0 10 1080.00000 1063.22452 1.55% - 0s 0 0 1063.22452 0 49 1080.00000 1063.22452 1.55% - 0s H 0 0 1079.0000000 1063.22452 1.46% - 0s 0 0 1063.29063 0 52 1079.00000 1063.29063 1.46% - 0s 0 0 1063.30011 0 53 1079.00000 1063.30011 1.46% - 0s 0 0 1063.30011 0 56 1079.00000 1063.30011 1.46% - 0s 0 0 1063.30359 0 50 1079.00000 1063.30359 1.45% - 0s 0 0 1063.30971 0 56 1079.00000 1063.30971 1.45% - 0s 0 0 1063.30971 0 56 1079.00000 1063.30971 1.45% - 0s 0 0 1063.30971 0 58 1079.00000 1063.30971 1.45% - 0s 0 0 1063.32816 0 57 1079.00000 1063.32816 1.45% - 0s 0 0 1063.33350 0 58 1079.00000 1063.33350 1.45% - 1s 0 0 1063.33814 0 55 1079.00000 1063.33814 1.45% - 1s 0 0 1063.33814 0 55 1079.00000 1063.33814 1.45% - 1s 0 0 1063.33814 0 54 1079.00000 1063.33814 1.45% - 1s H 0 0 1078.0000000 1063.33814 1.36% - 1s H 0 0 1077.0000000 1063.33814 1.27% - 1s 0 2 1063.34145 0 54 1077.00000 1063.34145 1.27% - 1s * 72 34 21 1076.0000000 1064.10679 1.11% 6.6 1s * 193 77 13 1075.0000000 1067.00000 0.74% 7.5 1s Cutting planes: Gomory: 4 Zero half: 17 Explored 1099 nodes (8439 simplex iterations) in 2.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(13, 33), (15, 32), (15, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 581 rows, 528 columns and 57114 nonzeros Presolve time: 0.03s Presolved: 581 rows, 528 columns, 57114 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 36 - 1062.65623 - - 0s 0 0 1062.70065 0 48 - 1062.70065 - - 0s 0 0 1063.05584 0 48 - 1063.05584 - - 0s 0 0 1063.08038 0 50 - 1063.08038 - - 0s 0 0 1063.13383 0 46 - 1063.13383 - - 0s 0 0 1063.13383 0 50 - 1063.13383 - - 0s 0 0 1063.13775 0 52 - 1063.13775 - - 0s 0 0 1063.14270 0 53 - 1063.14270 - - 0s 0 0 1063.18493 0 48 - 1063.18493 - - 0s 0 0 1063.19468 0 52 - 1063.19468 - - 0s 0 0 1063.19871 0 57 - 1063.19871 - - 0s 0 0 1063.19871 0 57 - 1063.19871 - - 0s 0 0 1063.21346 0 57 - 1063.21346 - - 0s 0 0 1063.24285 0 57 - 1063.24285 - - 0s 0 0 1063.24505 0 58 - 1063.24505 - - 0s 0 0 1063.25546 0 57 - 1063.25546 - - 0s H 0 0 1200.0000000 1063.25546 11.4% - 0s H 0 0 1088.0000000 1063.25546 2.27% - 0s H 0 0 1085.0000000 1063.25546 2.00% - 0s 0 0 1063.25866 0 55 1085.00000 1063.25866 2.00% - 0s 0 0 1063.25866 0 12 1085.00000 1063.25866 2.00% - 0s 0 0 1063.25866 0 50 1085.00000 1063.25866 2.00% - 0s 0 0 1063.25866 0 54 1085.00000 1063.25866 2.00% - 0s 0 0 1063.25866 0 52 1085.00000 1063.25866 2.00% - 0s 0 0 1063.25866 0 47 1085.00000 1063.25866 2.00% - 0s 0 0 1063.25866 0 54 1085.00000 1063.25866 2.00% - 0s 0 0 1063.25866 0 54 1085.00000 1063.25866 2.00% - 1s H 0 0 1080.0000000 1063.25866 1.55% - 1s H 0 0 1078.0000000 1063.25866 1.37% - 1s 0 2 1063.26706 0 54 1078.00000 1063.26706 1.37% - 1s * 80 42 53 1075.0000000 1063.92485 1.03% 7.9 1s Cutting planes: Gomory: 3 Zero half: 24 Explored 989 nodes (9115 simplex iterations) in 2.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 8), (6, 12), (8, 10), (9, 10), (9, 11), (11, 33), (12, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 582 rows, 528 columns and 57324 nonzeros Presolve time: 0.03s Presolved: 582 rows, 528 columns, 57324 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 47 - 1062.56000 - - 0s 0 0 1062.56000 0 45 - 1062.56000 - - 0s H 0 0 1083.0000000 1062.56000 1.89% - 0s H 0 0 1081.0000000 1062.56000 1.71% - 0s 0 0 1062.56000 0 10 1081.00000 1062.56000 1.71% - 0s 0 0 1062.56000 0 41 1081.00000 1062.56000 1.71% - 0s H 0 0 1078.0000000 1062.56000 1.43% - 0s 0 0 1062.56000 0 43 1078.00000 1062.56000 1.43% - 0s 0 0 1062.56000 0 43 1078.00000 1062.56000 1.43% - 0s 0 0 1062.56000 0 44 1078.00000 1062.56000 1.43% - 0s 0 0 1062.56000 0 43 1078.00000 1062.56000 1.43% - 0s 0 0 1062.56000 0 45 1078.00000 1062.56000 1.43% - 0s 0 0 1062.58169 0 49 1078.00000 1062.58169 1.43% - 0s 0 0 1062.58668 0 53 1078.00000 1062.58668 1.43% - 0s 0 0 1062.58668 0 55 1078.00000 1062.58668 1.43% - 1s 0 0 1062.58668 0 56 1078.00000 1062.58668 1.43% - 1s 0 0 1062.66093 0 46 1078.00000 1062.66093 1.42% - 1s 0 0 1062.70189 0 49 1078.00000 1062.70189 1.42% - 1s 0 0 1062.70370 0 45 1078.00000 1062.70370 1.42% - 1s 0 0 1062.70524 0 60 1078.00000 1062.70524 1.42% - 1s 0 0 1062.73050 0 60 1078.00000 1062.73050 1.42% - 1s 0 0 1062.73050 0 61 1078.00000 1062.73050 1.42% - 1s 0 0 1062.73050 0 59 1078.00000 1062.73050 1.42% - 1s 0 0 1062.73050 0 61 1078.00000 1062.73050 1.42% - 1s 0 0 1062.73773 0 62 1078.00000 1062.73773 1.42% - 1s 0 0 1062.81488 0 60 1078.00000 1062.81488 1.41% - 1s 0 0 1062.82126 0 61 1078.00000 1062.82126 1.41% - 1s 0 0 1062.84908 0 61 1078.00000 1062.84908 1.41% - 1s 0 0 1062.85238 0 60 1078.00000 1062.85238 1.41% - 1s 0 0 1062.85238 0 62 1078.00000 1062.85238 1.41% - 1s 0 0 1062.85238 0 62 1078.00000 1062.85238 1.41% - 1s H 0 0 1077.0000000 1062.85238 1.31% - 1s 0 2 1062.88309 0 62 1077.00000 1062.88309 1.31% - 1s * 210 117 9 1076.0000000 1064.62500 1.06% 7.7 2s * 234 122 17 1075.0000000 1064.80000 0.95% 7.6 2s Cutting planes: Gomory: 2 Zero half: 23 Mod-K: 1 Explored 1128 nodes (9987 simplex iterations) in 3.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (13, 33), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 9), (9, 12), (12, 14), (15, 32)] Optimize a model with 584 rows, 528 columns and 57451 nonzeros Presolve time: 0.03s Presolved: 584 rows, 528 columns, 57451 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.00000 0 12 1077.00000 1062.00000 1.39% - 0s 0 0 1062.00000 0 10 1077.00000 1062.00000 1.39% - 0s 0 0 1062.56694 0 44 1077.00000 1062.56694 1.34% - 0s 0 0 1062.87589 0 46 1077.00000 1062.87589 1.31% - 0s 0 0 1063.11889 0 50 1077.00000 1063.11889 1.29% - 0s 0 0 1063.12581 0 53 1077.00000 1063.12581 1.29% - 0s 0 0 1063.12581 0 52 1077.00000 1063.12581 1.29% - 0s 0 0 1063.12581 0 55 1077.00000 1063.12581 1.29% - 0s 0 0 1063.12581 0 53 1077.00000 1063.12581 1.29% - 0s 0 0 1063.12581 0 56 1077.00000 1063.12581 1.29% - 0s 0 0 1063.16482 0 46 1077.00000 1063.16482 1.28% - 0s 0 0 1063.16482 0 51 1077.00000 1063.16482 1.28% - 0s 0 0 1063.16552 0 51 1077.00000 1063.16552 1.28% - 0s 0 0 1063.16552 0 53 1077.00000 1063.16552 1.28% - 0s 0 2 1063.16914 0 53 1077.00000 1063.16914 1.28% - 1s * 41 25 39 1075.0000000 1063.41664 1.08% 8.5 1s Cutting planes: Gomory: 6 Zero half: 6 Explored 1106 nodes (9296 simplex iterations) in 3.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 10), (7, 12), (10, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 585 rows, 528 columns and 57587 nonzeros Presolve time: 0.03s Presolved: 585 rows, 528 columns, 57587 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 40 - 1062.56000 - - 0s 0 0 1062.56000 0 38 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s H 0 0 1220.0000000 1062.56000 12.9% - 0s H 0 0 1087.0000000 1062.56000 2.25% - 0s H 0 0 1080.0000000 1062.56000 1.61% - 0s 0 0 1062.56000 0 45 1080.00000 1062.56000 1.61% - 0s 0 0 1062.56000 0 10 1080.00000 1062.56000 1.61% - 0s 0 0 1062.61216 0 47 1080.00000 1062.61216 1.61% - 0s 0 0 1062.96664 0 50 1080.00000 1062.96664 1.58% - 0s 0 0 1062.98122 0 54 1080.00000 1062.98122 1.58% - 0s 0 0 1062.98122 0 55 1080.00000 1062.98122 1.58% - 0s 0 0 1063.05666 0 54 1080.00000 1063.05666 1.57% - 0s 0 0 1063.06314 0 52 1080.00000 1063.06314 1.57% - 0s 0 0 1063.09287 0 49 1080.00000 1063.09287 1.57% - 0s 0 0 1063.09287 0 51 1080.00000 1063.09287 1.57% - 0s 0 0 1063.09363 0 55 1080.00000 1063.09363 1.57% - 0s 0 0 1063.09950 0 58 1080.00000 1063.09950 1.56% - 0s H 0 0 1078.0000000 1063.09950 1.38% - 0s 0 0 1063.09950 0 58 1078.00000 1063.09950 1.38% - 0s 0 0 1063.09950 0 58 1078.00000 1063.09950 1.38% - 1s 0 2 1063.10101 0 58 1078.00000 1063.10101 1.38% - 1s H 29 22 1077.0000000 1063.50209 1.25% 9.3 1s * 62 38 59 1076.0000000 1063.50209 1.16% 6.7 1s * 96 53 21 1075.0000000 1065.00000 0.93% 8.2 1s Cutting planes: Gomory: 3 Zero half: 7 Explored 1791 nodes (15428 simplex iterations) in 4.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 11), (7, 14), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 586 rows, 528 columns and 57692 nonzeros Presolve time: 0.03s Presolved: 586 rows, 528 columns, 57692 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 36 - 1062.65623 - - 0s 0 0 1062.70065 0 48 - 1062.70065 - - 0s 0 0 1062.92884 0 50 - 1062.92884 - - 0s 0 0 1063.05584 0 51 - 1063.05584 - - 0s 0 0 1063.10030 0 47 - 1063.10030 - - 0s 0 0 1063.10030 0 53 - 1063.10030 - - 0s 0 0 1063.10030 0 51 - 1063.10030 - - 0s 0 0 1063.10030 0 54 - 1063.10030 - - 0s 0 0 1063.11188 0 47 - 1063.11188 - - 0s H 0 0 1190.0000000 1063.11188 10.7% - 0s H 0 0 1094.0000000 1063.11188 2.82% - 0s 0 0 1063.11188 0 53 1094.00000 1063.11188 2.82% - 0s 0 0 1063.16891 0 56 1094.00000 1063.16891 2.82% - 0s 0 0 1063.18032 0 53 1094.00000 1063.18032 2.82% - 0s 0 0 1063.18032 0 55 1094.00000 1063.18032 2.82% - 0s H 0 0 1092.0000000 1063.18032 2.64% - 0s 0 0 1063.20606 0 52 1092.00000 1063.20606 2.64% - 0s 0 0 1063.20888 0 56 1092.00000 1063.20888 2.64% - 0s 0 0 1063.20888 0 54 1092.00000 1063.20888 2.64% - 0s 0 0 1063.20888 0 58 1092.00000 1063.20888 2.64% - 0s 0 0 1063.21209 0 59 1092.00000 1063.21209 2.64% - 0s 0 0 1063.22290 0 56 1092.00000 1063.22290 2.64% - 0s 0 0 1063.22290 0 59 1092.00000 1063.22290 2.64% - 0s 0 0 1063.24186 0 59 1092.00000 1063.24186 2.63% - 0s 0 0 1063.24235 0 59 1092.00000 1063.24235 2.63% - 1s 0 0 1063.24235 0 63 1092.00000 1063.24235 2.63% - 1s 0 0 1063.24235 0 63 1092.00000 1063.24235 2.63% - 1s H 0 0 1083.0000000 1063.24235 1.82% - 1s H 0 0 1079.0000000 1063.24235 1.46% - 1s 0 0 1063.24235 0 10 1079.00000 1063.24235 1.46% - 1s 0 0 1063.24235 0 51 1079.00000 1063.24235 1.46% - 1s 0 0 1063.24235 0 57 1079.00000 1063.24235 1.46% - 1s 0 0 1063.24763 0 62 1079.00000 1063.24763 1.46% - 1s 0 0 1063.24763 0 60 1079.00000 1063.24763 1.46% - 1s 0 0 1063.24763 0 63 1079.00000 1063.24763 1.46% - 1s 0 0 1063.26508 0 60 1079.00000 1063.26508 1.46% - 1s 0 0 1063.26575 0 63 1079.00000 1063.26575 1.46% - 1s 0 0 1063.26575 0 63 1079.00000 1063.26575 1.46% - 2s H 0 0 1077.0000000 1063.26575 1.28% - 2s 0 2 1063.28874 0 63 1077.00000 1063.28874 1.27% - 2s * 121 57 19 1076.0000000 1065.42857 0.98% 9.4 2s * 125 53 22 1075.0000000 1065.42857 0.89% 9.2 2s Cutting planes: Gomory: 4 Zero half: 17 Mod-K: 1 Explored 870 nodes (8669 simplex iterations) in 3.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(13, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 587 rows, 528 columns and 57783 nonzeros Presolve time: 0.03s Presolved: 587 rows, 528 columns, 57783 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 42 - 1062.56000 - - 0s 0 0 1062.56000 0 45 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s H 0 0 1142.0000000 1062.56000 6.96% - 0s H 0 0 1095.0000000 1062.56000 2.96% - 0s 0 0 1062.56000 0 45 1095.00000 1062.56000 2.96% - 0s 0 0 1062.56000 0 44 1095.00000 1062.56000 2.96% - 0s H 0 0 1083.0000000 1062.56000 1.89% - 0s H 0 0 1078.0000000 1062.56000 1.43% - 0s 0 0 1062.56000 0 10 1078.00000 1062.56000 1.43% - 0s 0 0 1062.62771 0 45 1078.00000 1062.62771 1.43% - 0s 0 0 1062.90550 0 34 1078.00000 1062.90550 1.40% - 0s 0 0 1063.06039 0 45 1078.00000 1063.06039 1.39% - 0s 0 0 1063.10494 0 51 1078.00000 1063.10494 1.38% - 0s 0 0 1063.10494 0 51 1078.00000 1063.10494 1.38% - 0s 0 0 1063.10494 0 54 1078.00000 1063.10494 1.38% - 1s 0 0 1063.19061 0 46 1078.00000 1063.19061 1.37% - 1s 0 0 1063.20748 0 51 1078.00000 1063.20748 1.37% - 1s 0 0 1063.20748 0 51 1078.00000 1063.20748 1.37% - 1s 0 0 1063.20748 0 54 1078.00000 1063.20748 1.37% - 1s 0 0 1063.26422 0 38 1078.00000 1063.26422 1.37% - 1s 0 0 1063.26422 0 42 1078.00000 1063.26422 1.37% - 1s 0 0 1063.26582 0 50 1078.00000 1063.26582 1.37% - 1s 0 0 1063.26582 0 51 1078.00000 1063.26582 1.37% - 1s 0 0 1063.26582 0 54 1078.00000 1063.26582 1.37% - 1s 0 0 1063.26582 0 54 1078.00000 1063.26582 1.37% - 1s H 0 0 1076.0000000 1063.26582 1.18% - 1s 0 2 1063.27760 0 54 1076.00000 1063.27760 1.18% - 1s * 61 29 21 1075.0000000 1064.32182 0.99% 9.5 1s Cutting planes: Gomory: 5 Zero half: 11 Explored 568 nodes (5824 simplex iterations) in 2.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 15), (3, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 588 rows, 528 columns and 57861 nonzeros Presolve time: 0.03s Presolved: 588 rows, 528 columns, 57861 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.00000 0 12 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 12 1078.00000 1062.00000 1.48% - 0s 0 0 1062.00000 0 16 1078.00000 1062.00000 1.48% - 0s 0 0 1062.26316 0 34 1078.00000 1062.26316 1.46% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 13 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 13 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 2 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s * 47 15 46 1077.0000000 1064.00000 1.21% 6.7 1s * 60 21 9 1076.0000000 1064.44444 1.07% 8.3 1s * 123 59 19 1075.0000000 1064.50000 0.98% 8.1 1s Cutting planes: Gomory: 3 Zero half: 24 Explored 739 nodes (7337 simplex iterations) in 2.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 19), (17, 29), (17, 30), (18, 26), (18, 27), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 589 rows, 528 columns and 57981 nonzeros Presolve time: 0.03s Presolved: 589 rows, 528 columns, 57981 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.00000 0 12 1084.00000 1062.00000 2.03% - 0s 0 0 1062.00000 0 10 1084.00000 1062.00000 2.03% - 0s 0 0 1062.47059 0 37 1084.00000 1062.47059 1.99% - 0s H 0 0 1083.0000000 1062.47059 1.90% - 0s 0 0 1062.68293 0 26 1083.00000 1062.68293 1.88% - 0s 0 0 1063.00000 0 8 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 12 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 10 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 14 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 12 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 14 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 15 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 15 1083.00000 1063.00000 1.85% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 2 1063.00000 0 15 1076.00000 1063.00000 1.21% - 0s * 75 34 33 1075.0000000 1064.66667 0.96% 7.0 1s Cutting planes: Gomory: 3 Zero half: 5 Explored 842 nodes (6997 simplex iterations) in 1.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 11), (7, 12), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 590 rows, 528 columns and 58059 nonzeros Presolve time: 0.03s Presolved: 590 rows, 528 columns, 58059 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 36 - 1062.65623 - - 0s 0 0 1062.70065 0 48 - 1062.70065 - - 0s 0 0 1062.92884 0 50 - 1062.92884 - - 0s 0 0 1063.05584 0 51 - 1063.05584 - - 0s 0 0 1063.10030 0 47 - 1063.10030 - - 0s 0 0 1063.10030 0 53 - 1063.10030 - - 0s 0 0 1063.10030 0 51 - 1063.10030 - - 0s 0 0 1063.10030 0 54 - 1063.10030 - - 0s 0 0 1063.11188 0 47 - 1063.11188 - - 0s H 0 0 1229.0000000 1063.11188 13.5% - 0s 0 0 1063.11188 0 53 1229.00000 1063.11188 13.5% - 0s H 0 0 1145.0000000 1063.11188 7.15% - 0s H 0 0 1094.0000000 1063.11188 2.82% - 0s 0 0 1063.16891 0 55 1094.00000 1063.16891 2.82% - 0s 0 0 1063.18486 0 47 1094.00000 1063.18486 2.82% - 0s 0 0 1063.19418 0 58 1094.00000 1063.19418 2.82% - 0s 0 0 1063.29120 0 52 1094.00000 1063.29120 2.81% - 0s 0 0 1063.29211 0 51 1094.00000 1063.29211 2.81% - 0s 0 0 1063.29290 0 55 1094.00000 1063.29290 2.81% - 0s 0 0 1063.29478 0 51 1094.00000 1063.29478 2.81% - 0s 0 0 1063.29478 0 53 1094.00000 1063.29478 2.81% - 0s 0 0 1063.29478 0 53 1094.00000 1063.29478 2.81% - 0s 0 0 1063.29478 0 53 1094.00000 1063.29478 2.81% - 1s H 0 0 1092.0000000 1063.29478 2.63% - 1s 0 0 1063.29478 0 10 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 49 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 50 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 46 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 54 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 49 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 52 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 51 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 53 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 55 1092.00000 1063.29478 2.63% - 1s 0 0 1063.29478 0 55 1092.00000 1063.29478 2.63% - 1s H 0 0 1091.0000000 1063.29478 2.54% - 1s H 0 0 1079.0000000 1063.29478 1.46% - 1s 0 2 1063.29507 0 55 1079.00000 1063.29507 1.46% - 2s H 27 17 1077.0000000 1063.65356 1.24% 11.3 2s * 116 63 34 1076.0000000 1064.27907 1.09% 7.2 2s * 205 100 17 1075.0000000 1065.20576 0.91% 7.0 2s Cutting planes: Gomory: 3 Zero half: 11 Mod-K: 1 Explored 1045 nodes (8850 simplex iterations) in 3.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 8), (7, 8), (7, 10), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 591 rows, 528 columns and 58164 nonzeros Presolve time: 0.03s Presolved: 591 rows, 528 columns, 58164 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 33 - 1062.65623 - - 0s 0 0 1063.01374 0 44 - 1063.01374 - - 0s 0 0 1063.07054 0 50 - 1063.07054 - - 0s 0 0 1063.08038 0 50 - 1063.08038 - - 0s 0 0 1063.13383 0 50 - 1063.13383 - - 0s 0 0 1063.13877 0 53 - 1063.13877 - - 0s 0 0 1063.20073 0 51 - 1063.20073 - - 0s 0 0 1063.21891 0 55 - 1063.21891 - - 0s 0 0 1063.22628 0 40 - 1063.22628 - - 0s 0 0 1063.22814 0 49 - 1063.22814 - - 0s 0 0 1063.22814 0 53 - 1063.22814 - - 0s 0 0 1063.22814 0 55 - 1063.22814 - - 0s 0 0 1063.22814 0 56 - 1063.22814 - - 0s 0 0 1063.22814 0 56 - 1063.22814 - - 0s H 0 0 1112.0000000 1063.22814 4.39% - 0s H 0 0 1097.0000000 1063.22814 3.08% - 0s H 0 0 1080.0000000 1063.22814 1.55% - 0s 0 0 1063.22814 0 10 1080.00000 1063.22814 1.55% - 0s 0 0 1063.22814 0 47 1080.00000 1063.22814 1.55% - 0s 0 0 1063.27179 0 52 1080.00000 1063.27179 1.55% - 1s 0 0 1063.28338 0 56 1080.00000 1063.28338 1.55% - 1s 0 0 1063.28381 0 57 1080.00000 1063.28381 1.55% - 1s 0 0 1063.28381 0 53 1080.00000 1063.28381 1.55% - 1s 0 0 1063.28462 0 58 1080.00000 1063.28462 1.55% - 1s 0 0 1063.28462 0 58 1080.00000 1063.28462 1.55% - 1s 0 0 1063.28462 0 58 1080.00000 1063.28462 1.55% - 1s H 0 0 1078.0000000 1063.28462 1.37% - 1s H 0 0 1077.0000000 1063.28462 1.27% - 1s H 0 0 1075.0000000 1063.28462 1.09% - 1s 0 2 1063.28493 0 58 1075.00000 1063.28493 1.09% - 1s Cutting planes: Gomory: 4 Zero half: 16 Explored 614 nodes (6036 simplex iterations) in 2.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 16), (8, 33), (12, 33), (12, 14), (15, 32), (15, 16)] Optimize a model with 593 rows, 528 columns and 58297 nonzeros Presolve time: 0.03s Presolved: 593 rows, 528 columns, 58297 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.00000 0 12 1079.00000 1062.00000 1.58% - 0s 0 0 1062.00000 0 10 1079.00000 1062.00000 1.58% - 0s 0 0 1062.00775 0 35 1079.00000 1062.00775 1.57% - 0s H 0 0 1077.0000000 1062.00775 1.39% - 0s 0 0 1062.56061 0 40 1077.00000 1062.56061 1.34% - 0s 0 0 1062.56061 0 42 1077.00000 1062.56061 1.34% - 0s 0 0 1062.56061 0 44 1077.00000 1062.56061 1.34% - 0s 0 0 1062.56061 0 46 1077.00000 1062.56061 1.34% - 0s 0 0 1062.56061 0 44 1077.00000 1062.56061 1.34% - 0s 0 0 1062.56061 0 48 1077.00000 1062.56061 1.34% - 0s 0 0 1062.56061 0 47 1077.00000 1062.56061 1.34% - 0s 0 2 1062.56396 0 47 1077.00000 1062.56396 1.34% - 0s * 93 42 6 1076.0000000 1064.45455 1.07% 6.8 1s * 264 131 18 1075.0000000 1065.20000 0.91% 7.2 1s Cutting planes: Gomory: 2 Zero half: 2 Explored 1142 nodes (9780 simplex iterations) in 3.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 33), (17, 28), (17, 29), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 594 rows, 528 columns and 58402 nonzeros Presolve time: 0.03s Presolved: 594 rows, 528 columns, 58402 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 31 - 1062.00000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 37 - 1062.56000 - - 0s 0 0 1062.56000 0 41 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s 0 0 1062.56000 0 43 - 1062.56000 - - 0s H 0 0 1128.0000000 1062.56000 5.80% - 0s H 0 0 1087.0000000 1062.56000 2.25% - 0s 0 0 1062.56000 0 47 1087.00000 1062.56000 2.25% - 0s 0 0 1062.56000 0 47 1087.00000 1062.56000 2.25% - 0s H 0 0 1077.0000000 1062.56000 1.34% - 0s 0 0 1062.56000 0 10 1077.00000 1062.56000 1.34% - 0s 0 0 1062.65266 0 43 1077.00000 1062.65266 1.33% - 0s 0 0 1062.89953 0 47 1077.00000 1062.89953 1.31% - 0s 0 0 1063.01666 0 49 1077.00000 1063.01666 1.30% - 0s 0 0 1063.01666 0 52 1077.00000 1063.01666 1.30% - 0s 0 0 1063.01666 0 51 1077.00000 1063.01666 1.30% - 0s 0 0 1063.01666 0 54 1077.00000 1063.01666 1.30% - 0s 0 0 1063.01666 0 52 1077.00000 1063.01666 1.30% - 1s 0 0 1063.01666 0 55 1077.00000 1063.01666 1.30% - 1s 0 0 1063.12441 0 42 1077.00000 1063.12441 1.29% - 1s 0 0 1063.12441 0 46 1077.00000 1063.12441 1.29% - 1s 0 0 1063.12441 0 46 1077.00000 1063.12441 1.29% - 1s 0 0 1063.12441 0 48 1077.00000 1063.12441 1.29% - 1s 0 0 1063.12441 0 51 1077.00000 1063.12441 1.29% - 1s 0 0 1063.12441 0 51 1077.00000 1063.12441 1.29% - 1s H 0 0 1076.0000000 1063.12441 1.20% - 1s 0 2 1063.12936 0 51 1076.00000 1063.12936 1.20% - 1s * 113 61 14 1075.0000000 1065.00000 0.93% 8.8 1s Cutting planes: Gomory: 5 Zero half: 20 Explored 827 nodes (7265 simplex iterations) in 2.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 19), (10, 33), (12, 33), (12, 13), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 595 rows, 528 columns and 58507 nonzeros Presolve time: 0.03s Presolved: 595 rows, 528 columns, 58507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.30000 0 13 - 1062.30000 - - 0s 0 0 1062.65623 0 33 - 1062.65623 - - 0s 0 0 1063.01374 0 44 - 1063.01374 - - 0s 0 0 1063.07054 0 50 - 1063.07054 - - 0s 0 0 1063.08038 0 50 - 1063.08038 - - 0s 0 0 1063.13383 0 50 - 1063.13383 - - 0s 0 0 1063.13877 0 53 - 1063.13877 - - 0s 0 0 1063.20073 0 51 - 1063.20073 - - 0s 0 0 1063.21891 0 55 - 1063.21891 - - 0s 0 0 1063.22628 0 40 - 1063.22628 - - 0s 0 0 1063.22814 0 49 - 1063.22814 - - 0s 0 0 1063.22814 0 53 - 1063.22814 - - 0s 0 0 1063.22814 0 55 - 1063.22814 - - 0s 0 0 1063.22814 0 56 - 1063.22814 - - 0s 0 0 1063.22814 0 56 - 1063.22814 - - 0s H 0 0 1112.0000000 1063.22814 4.39% - 0s H 0 0 1097.0000000 1063.22814 3.08% - 0s H 0 0 1080.0000000 1063.22814 1.55% - 0s 0 0 1063.22814 0 10 1080.00000 1063.22814 1.55% - 0s 0 0 1063.22814 0 43 1080.00000 1063.22814 1.55% - 0s 0 0 1063.22814 0 50 1080.00000 1063.22814 1.55% - 1s 0 0 1063.22814 0 51 1080.00000 1063.22814 1.55% - 1s 0 0 1063.34400 0 46 1080.00000 1063.34400 1.54% - 1s 0 0 1063.34441 0 50 1080.00000 1063.34441 1.54% - 1s 0 0 1063.34477 0 49 1080.00000 1063.34477 1.54% - 1s 0 0 1063.34477 0 52 1080.00000 1063.34477 1.54% - 1s 0 0 1063.35319 0 48 1080.00000 1063.35319 1.54% - 1s 0 0 1063.35319 0 55 1080.00000 1063.35319 1.54% - 1s 0 0 1063.35558 0 47 1080.00000 1063.35558 1.54% - 1s H 0 0 1079.0000000 1063.35558 1.45% - 1s 0 0 1063.35929 0 46 1079.00000 1063.35929 1.45% - 1s 0 0 1063.35929 0 52 1079.00000 1063.35929 1.45% - 1s 0 0 1063.35929 0 52 1079.00000 1063.35929 1.45% - 1s H 0 0 1077.0000000 1063.35929 1.27% - 1s 0 2 1063.35939 0 52 1077.00000 1063.35939 1.27% - 1s * 148 78 17 1076.0000000 1065.86111 0.94% 7.9 2s H 265 113 1075.0000000 1066.03687 0.83% 7.5 2s Cutting planes: Gomory: 3 Zero half: 6 Explored 1249 nodes (10461 simplex iterations) in 4.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(8, 9), (9, 11), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 596 rows, 528 columns and 58573 nonzeros Presolve time: 0.03s Presolved: 596 rows, 528 columns, 58573 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.52273 0 36 - 1062.52273 - - 0s 0 0 1062.88759 0 40 - 1062.88759 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00623 0 38 - 1063.00623 - - 0s H 0 0 1214.0000000 1063.00623 12.4% - 0s H 0 0 1105.0000000 1063.00623 3.80% - 0s 0 0 1063.00623 0 42 1105.00000 1063.00623 3.80% - 0s 0 0 1063.00623 0 45 1105.00000 1063.00623 3.80% - 0s 0 0 1063.01305 0 28 1105.00000 1063.01305 3.80% - 0s H 0 0 1090.0000000 1063.01305 2.48% - 0s 0 0 1063.01305 0 38 1090.00000 1063.01305 2.48% - 0s 0 0 1063.07153 0 47 1090.00000 1063.07153 2.47% - 0s H 0 0 1085.0000000 1063.07153 2.02% - 0s 0 0 1063.07153 0 50 1085.00000 1063.07153 2.02% - 0s 0 0 1063.07153 0 10 1085.00000 1063.07153 2.02% - 0s 0 0 1063.07153 0 35 1085.00000 1063.07153 2.02% - 0s H 0 0 1078.0000000 1063.07153 1.38% - 1s 0 0 1063.07153 0 8 1078.00000 1063.07153 1.38% - 1s 0 2 1063.19167 0 8 1078.00000 1063.19167 1.37% - 1s H 1 2 1076.0000000 1063.19167 1.19% 5.0 1s * 124 39 22 1075.0000000 1065.60000 0.87% 11.4 2s Cutting planes: Gomory: 7 Zero half: 11 Explored 846 nodes (7168 simplex iterations) in 3.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 14), (11, 19), (16, 18), (18, 25), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25)] adding cut for [(15, 26), (17, 28), (17, 29), (26, 27), (27, 28), (29, 30)] Optimize a model with 598 rows, 528 columns and 58672 nonzeros Presolve time: 0.03s Presolved: 598 rows, 528 columns, 58672 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 117 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.51231 0 35 - 1062.51231 - - 0s 0 0 1062.76667 0 40 - 1062.76667 - - 0s 0 0 1062.90364 0 40 - 1062.90364 - - 0s 0 0 1062.91461 0 46 - 1062.91461 - - 0s 0 0 1062.91461 0 47 - 1062.91461 - - 0s 0 0 1062.91461 0 50 - 1062.91461 - - 0s 0 0 1062.91461 0 49 - 1062.91461 - - 0s 0 0 1062.91461 0 52 - 1062.91461 - - 0s 0 0 1062.91461 0 50 - 1062.91461 - - 0s H 0 0 1237.0000000 1062.91461 14.1% - 0s H 0 0 1078.0000000 1062.91461 1.40% - 0s 0 0 1062.91461 0 53 1078.00000 1062.91461 1.40% - 0s 0 0 1062.91461 0 10 1078.00000 1062.91461 1.40% - 0s 0 0 1062.91461 0 44 1078.00000 1062.91461 1.40% - 0s 0 0 1062.91461 0 53 1078.00000 1062.91461 1.40% - 0s 0 0 1063.13611 0 37 1078.00000 1063.13611 1.38% - 0s 0 0 1063.13611 0 43 1078.00000 1063.13611 1.38% - 0s 0 0 1063.13611 0 41 1078.00000 1063.13611 1.38% - 0s 0 0 1063.13611 0 41 1078.00000 1063.13611 1.38% - 0s 0 0 1063.13611 0 45 1078.00000 1063.13611 1.38% - 0s 0 0 1063.13611 0 43 1078.00000 1063.13611 1.38% - 0s 0 0 1063.13611 0 41 1078.00000 1063.13611 1.38% - 0s 0 0 1063.13611 0 47 1078.00000 1063.13611 1.38% - 1s 0 0 1063.13611 0 44 1078.00000 1063.13611 1.38% - 1s H 0 0 1077.0000000 1063.13611 1.29% - 1s 0 2 1063.15271 0 44 1077.00000 1063.15271 1.29% - 1s * 239 109 25 1076.0000000 1066.83333 0.85% 7.7 1s * 291 114 13 1075.0000000 1067.42857 0.70% 8.3 1s Cutting planes: Gomory: 5 Zero half: 8 Explored 810 nodes (7176 simplex iterations) in 2.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(12, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (6, 13), (7, 8), (8, 10), (9, 10), (9, 11), (11, 33), (14, 33)] Optimize a model with 600 rows, 528 columns and 58793 nonzeros Presolve time: 0.03s Presolved: 600 rows, 528 columns, 58793 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.04278 0 44 - 1063.04278 - - 0s 0 0 1063.10464 0 47 - 1063.10464 - - 0s 0 0 1063.10464 0 48 - 1063.10464 - - 0s 0 0 1063.10464 0 51 - 1063.10464 - - 0s 0 0 1063.10464 0 50 - 1063.10464 - - 0s 0 0 1063.10464 0 52 - 1063.10464 - - 0s 0 0 1063.10464 0 53 - 1063.10464 - - 0s 0 0 1063.10464 0 53 - 1063.10464 - - 0s H 0 0 1100.0000000 1063.10464 3.35% - 0s H 0 0 1092.0000000 1063.10464 2.65% - 0s H 0 0 1084.0000000 1063.10464 1.93% - 0s H 0 0 1079.0000000 1063.10464 1.47% - 0s 0 0 1063.10464 0 10 1079.00000 1063.10464 1.47% - 0s 0 0 1063.10464 0 14 1079.00000 1063.10464 1.47% - 0s 0 0 1063.13154 0 37 1079.00000 1063.13154 1.47% - 0s 0 0 1063.22909 0 48 1079.00000 1063.22909 1.46% - 0s 0 0 1063.23644 0 49 1079.00000 1063.23644 1.46% - 0s 0 0 1063.23644 0 52 1079.00000 1063.23644 1.46% - 0s 0 0 1063.23644 0 49 1079.00000 1063.23644 1.46% - 0s 0 0 1063.23644 0 52 1079.00000 1063.23644 1.46% - 1s 0 0 1063.23644 0 52 1079.00000 1063.23644 1.46% - 1s 0 0 1063.23644 0 55 1079.00000 1063.23644 1.46% - 1s 0 2 1063.26284 0 55 1079.00000 1063.26284 1.46% - 1s H 36 16 1078.0000000 1064.65217 1.24% 6.8 1s * 39 16 38 1077.0000000 1064.65217 1.15% 6.5 1s * 78 35 32 1076.0000000 1064.97315 1.02% 8.7 1s * 159 59 10 1075.0000000 1065.57143 0.88% 7.8 1s Cutting planes: Gomory: 6 Zero half: 10 Explored 852 nodes (7952 simplex iterations) in 2.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 10), (6, 13), (9, 33), (9, 10), (12, 33), (12, 14), (15, 32)] Optimize a model with 602 rows, 528 columns and 58916 nonzeros Presolve time: 0.03s Presolved: 602 rows, 528 columns, 58916 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.82609 0 39 1086.00000 1062.82609 2.13% - 0s 0 0 1062.92340 0 44 1086.00000 1062.92340 2.12% - 0s 0 0 1062.92340 0 45 1086.00000 1062.92340 2.12% - 0s 0 0 1062.92340 0 48 1086.00000 1062.92340 2.12% - 0s 0 0 1062.92340 0 45 1086.00000 1062.92340 2.12% - 0s 0 0 1062.92340 0 48 1086.00000 1062.92340 2.12% - 0s 0 0 1062.92340 0 48 1086.00000 1062.92340 2.12% - 0s 0 0 1062.92340 0 48 1086.00000 1062.92340 2.12% - 0s H 0 0 1078.0000000 1062.92340 1.40% - 0s 0 2 1062.93548 0 48 1078.00000 1062.93548 1.40% - 0s * 58 31 27 1075.0000000 1064.00000 1.02% 8.1 1s Cutting planes: Gomory: 3 Zero half: 12 Explored 1154 nodes (9828 simplex iterations) in 2.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 11), (11, 19), (14, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 603 rows, 528 columns and 59036 nonzeros Presolve time: 0.03s Presolved: 603 rows, 528 columns, 59036 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 119 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.37500 0 28 1076.00000 1062.37500 1.27% - 0s 0 0 1062.37500 0 10 1076.00000 1062.37500 1.27% - 0s 0 0 1062.78723 0 39 1076.00000 1062.78723 1.23% - 0s 0 0 1063.00000 0 35 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 10 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 18 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 31 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 35 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s 0 2 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s H 27 19 1075.0000000 1063.65517 1.06% 7.3 0s Cutting planes: Gomory: 4 Zero half: 24 Explored 1047 nodes (9135 simplex iterations) in 2.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 12), (7, 11), (11, 19), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 604 rows, 528 columns and 59172 nonzeros Presolve time: 0.03s Presolved: 604 rows, 528 columns, 59172 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.03162 0 39 - 1063.03162 - - 0s 0 0 1063.04324 0 49 - 1063.04324 - - 0s 0 0 1063.04324 0 50 - 1063.04324 - - 0s 0 0 1063.04324 0 52 - 1063.04324 - - 0s 0 0 1063.04324 0 49 - 1063.04324 - - 0s 0 0 1063.04324 0 50 - 1063.04324 - - 0s H 0 0 1191.0000000 1063.04324 10.7% - 0s H 0 0 1083.0000000 1063.04324 1.84% - 0s 0 0 1063.04324 0 49 1083.00000 1063.04324 1.84% - 0s 0 0 1063.04324 0 12 1083.00000 1063.04324 1.84% - 0s 0 0 1063.04324 0 35 1083.00000 1063.04324 1.84% - 0s H 0 0 1079.0000000 1063.04324 1.48% - 0s 0 0 1063.07090 0 48 1079.00000 1063.07090 1.48% - 0s 0 0 1063.07090 0 51 1079.00000 1063.07090 1.48% - 0s 0 0 1063.07090 0 49 1079.00000 1063.07090 1.48% - 0s 0 0 1063.07090 0 52 1079.00000 1063.07090 1.48% - 0s 0 0 1063.07090 0 48 1079.00000 1063.07090 1.48% - 0s H 0 0 1078.0000000 1063.07090 1.38% - 0s 0 0 1063.07090 0 54 1078.00000 1063.07090 1.38% - 0s 0 0 1063.07090 0 52 1078.00000 1063.07090 1.38% - 0s 0 0 1063.07090 0 55 1078.00000 1063.07090 1.38% - 1s 0 0 1063.07090 0 55 1078.00000 1063.07090 1.38% - 1s 0 2 1063.10215 0 55 1078.00000 1063.10215 1.38% - 1s * 44 23 41 1077.0000000 1064.00000 1.21% 8.7 1s * 129 77 51 1076.0000000 1064.50000 1.07% 6.8 1s * 181 84 19 1075.0000000 1064.65766 0.96% 6.9 1s Cutting planes: Gomory: 5 Zero half: 13 Explored 752 nodes (6763 simplex iterations) in 2.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 13), (9, 33), (9, 10), (11, 33), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 605 rows, 528 columns and 59292 nonzeros Presolve time: 0.03s Presolved: 605 rows, 528 columns, 59292 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.50000 0 14 - 1062.50000 - - 0s 0 0 1062.50000 0 16 - 1062.50000 - - 0s 0 0 1062.50000 0 14 - 1062.50000 - - 0s 0 0 1062.50000 0 17 - 1062.50000 - - 0s 0 0 1062.59459 0 38 - 1062.59459 - - 0s H 0 0 1148.0000000 1062.59459 7.44% - 0s H 0 0 1101.0000000 1062.59459 3.49% - 0s H 0 0 1079.0000000 1062.59459 1.52% - 0s 0 0 1062.59459 0 42 1079.00000 1062.59459 1.52% - 0s 0 0 1062.59459 0 10 1079.00000 1062.59459 1.52% - 0s 0 0 1062.61353 0 44 1079.00000 1062.61353 1.52% - 0s 0 0 1062.93179 0 44 1079.00000 1062.93179 1.49% - 0s 0 0 1063.04762 0 33 1079.00000 1063.04762 1.48% - 0s 0 0 1063.04762 0 37 1079.00000 1063.04762 1.48% - 0s 0 0 1063.04762 0 41 1079.00000 1063.04762 1.48% - 0s 0 0 1063.04762 0 39 1079.00000 1063.04762 1.48% - 0s 0 0 1063.04762 0 43 1079.00000 1063.04762 1.48% - 0s 0 0 1063.04762 0 41 1079.00000 1063.04762 1.48% - 0s 0 0 1063.04762 0 46 1079.00000 1063.04762 1.48% - 0s 0 0 1063.04762 0 46 1079.00000 1063.04762 1.48% - 1s 0 2 1063.06173 0 46 1079.00000 1063.06173 1.48% - 1s H 81 41 1077.0000000 1065.00000 1.11% 7.3 1s * 97 47 45 1076.0000000 1065.00000 1.02% 6.9 1s * 176 90 15 1075.0000000 1066.00000 0.84% 7.7 1s Cutting planes: Gomory: 4 Zero half: 3 Explored 766 nodes (6895 simplex iterations) in 2.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 9), (9, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 606 rows, 528 columns and 59383 nonzeros Presolve time: 0.03s Presolved: 606 rows, 528 columns, 59383 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1063.00000 0 10 1086.00000 1063.00000 2.12% - 0s 0 0 1063.02190 0 46 1086.00000 1063.02190 2.12% - 0s 0 0 1063.02190 0 49 1086.00000 1063.02190 2.12% - 0s 0 0 1063.02190 0 50 1086.00000 1063.02190 2.12% - 0s 0 0 1063.02190 0 50 1086.00000 1063.02190 2.12% - 0s H 0 0 1078.0000000 1063.02190 1.39% - 0s 0 0 1063.02190 0 50 1078.00000 1063.02190 1.39% - 0s 0 2 1063.32074 0 50 1078.00000 1063.32074 1.36% - 0s * 78 14 50 1076.0000000 1064.13005 1.10% 16.4 2s * 350 74 39 1075.0000000 1068.00000 0.65% 12.0 3s Cutting planes: Gomory: 8 Zero half: 2 Mod-K: 1 Explored 779 nodes (7773 simplex iterations) in 3.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 19), (12, 33), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 607 rows, 528 columns and 59474 nonzeros Presolve time: 0.03s Presolved: 607 rows, 528 columns, 59474 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.04278 0 45 - 1063.04278 - - 0s 0 0 1063.10464 0 47 - 1063.10464 - - 0s 0 0 1063.10464 0 48 - 1063.10464 - - 0s 0 0 1063.10464 0 51 - 1063.10464 - - 0s 0 0 1063.10464 0 50 - 1063.10464 - - 0s 0 0 1063.10464 0 52 - 1063.10464 - - 0s 0 0 1063.10464 0 53 - 1063.10464 - - 0s 0 0 1063.10464 0 53 - 1063.10464 - - 0s H 0 0 1100.0000000 1063.10464 3.35% - 0s H 0 0 1095.0000000 1063.10464 2.91% - 0s H 0 0 1078.0000000 1063.10464 1.38% - 0s 0 0 1063.10464 0 10 1078.00000 1063.10464 1.38% - 0s 0 0 1063.10464 0 47 1078.00000 1063.10464 1.38% - 0s 0 0 1063.10464 0 54 1078.00000 1063.10464 1.38% - 0s 0 0 1063.10552 0 51 1078.00000 1063.10552 1.38% - 0s 0 0 1063.10552 0 54 1078.00000 1063.10552 1.38% - 1s 0 0 1063.11996 0 55 1078.00000 1063.11996 1.38% - 1s 0 0 1063.13297 0 52 1078.00000 1063.13297 1.38% - 1s 0 0 1063.13297 0 55 1078.00000 1063.13297 1.38% - 1s 0 0 1063.13643 0 53 1078.00000 1063.13643 1.38% - 1s 0 0 1063.14978 0 52 1078.00000 1063.14978 1.38% - 1s 0 0 1063.14978 0 55 1078.00000 1063.14978 1.38% - 1s 0 0 1063.17391 0 46 1078.00000 1063.17391 1.38% - 1s 0 0 1063.19231 0 43 1078.00000 1063.19231 1.37% - 1s 0 0 1063.19231 0 47 1078.00000 1063.19231 1.37% - 1s 0 0 1063.20748 0 58 1078.00000 1063.20748 1.37% - 1s 0 0 1063.20847 0 60 1078.00000 1063.20847 1.37% - 1s 0 0 1063.24088 0 50 1078.00000 1063.24088 1.37% - 1s 0 0 1063.24298 0 54 1078.00000 1063.24298 1.37% - 1s 0 0 1063.24298 0 57 1078.00000 1063.24298 1.37% - 1s 0 0 1063.25301 0 49 1078.00000 1063.25301 1.37% - 1s 0 0 1063.25301 0 56 1078.00000 1063.25301 1.37% - 1s 0 0 1063.25355 0 49 1078.00000 1063.25355 1.37% - 1s 0 0 1063.25355 0 49 1078.00000 1063.25355 1.37% - 1s 0 0 1063.25355 0 52 1078.00000 1063.25355 1.37% - 1s 0 0 1063.25355 0 51 1078.00000 1063.25355 1.37% - 1s H 0 0 1077.0000000 1063.25355 1.28% - 1s 0 2 1063.25553 0 51 1077.00000 1063.25553 1.28% - 2s * 76 36 22 1076.0000000 1064.97315 1.02% 7.7 2s * 184 56 20 1075.0000000 1065.76623 0.86% 7.9 2s Cutting planes: Gomory: 3 Zero half: 9 Explored 820 nodes (7147 simplex iterations) in 3.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (13, 33), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 10), (10, 12), (12, 14), (15, 32)] Optimize a model with 609 rows, 528 columns and 59601 nonzeros Presolve time: 0.03s Presolved: 609 rows, 528 columns, 59601 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 122 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.61353 0 43 1086.00000 1062.61353 2.15% - 0s 0 0 1062.61353 0 10 1086.00000 1062.61353 2.15% - 0s H 0 0 1080.0000000 1062.61353 1.61% - 0s 0 0 1062.61364 0 44 1080.00000 1062.61364 1.61% - 0s 0 0 1062.78461 0 47 1080.00000 1062.78461 1.59% - 0s 0 0 1062.91176 0 38 1080.00000 1062.91176 1.58% - 0s 0 0 1062.98702 0 46 1080.00000 1062.98702 1.58% - 0s 0 0 1062.98702 0 42 1080.00000 1062.98702 1.58% - 0s 0 0 1062.98702 0 45 1080.00000 1062.98702 1.58% - 0s 0 0 1062.98702 0 48 1080.00000 1062.98702 1.58% - 0s 0 0 1062.98702 0 50 1080.00000 1062.98702 1.58% - 0s 0 0 1062.98892 0 44 1080.00000 1062.98892 1.58% - 0s 0 0 1062.98892 0 48 1080.00000 1062.98892 1.58% - 0s 0 0 1062.98892 0 47 1080.00000 1062.98892 1.58% - 0s H 0 0 1079.0000000 1062.98892 1.48% - 0s 0 0 1062.98892 0 51 1079.00000 1062.98892 1.48% - 0s 0 2 1063.06283 0 49 1079.00000 1063.06283 1.48% - 0s H 21 14 1078.0000000 1063.43587 1.35% 0.1 2s * 59 26 34 1077.0000000 1063.94952 1.21% 18.7 2s H 76 24 1076.0000000 1063.94952 1.12% 16.1 2s * 468 136 26 1075.0000000 1068.00000 0.65% 10.1 3s Cutting planes: Gomory: 6 Zero half: 20 Explored 1199 nodes (10515 simplex iterations) in 4.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 9), (9, 10), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 28), (28, 29)] Optimize a model with 610 rows, 528 columns and 59706 nonzeros Presolve time: 0.03s Presolved: 610 rows, 528 columns, 59706 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 126 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.58467 0 47 - 1062.58467 - - 0s 0 0 1062.58467 0 51 - 1062.58467 - - 0s 0 0 1062.96108 0 48 - 1062.96108 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 19 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s H 0 0 1175.0000000 1063.00000 9.53% - 0s H 0 0 1086.0000000 1063.00000 2.12% - 0s 0 0 1063.03256 0 51 1086.00000 1063.03256 2.11% - 0s 0 0 1063.03256 0 10 1086.00000 1063.03256 2.11% - 0s 0 0 1063.03256 0 47 1086.00000 1063.03256 2.11% - 0s 0 0 1063.07585 0 43 1086.00000 1063.07585 2.11% - 0s 0 0 1063.18637 0 48 1086.00000 1063.18637 2.10% - 0s 0 0 1063.18926 0 51 1086.00000 1063.18926 2.10% - 0s 0 0 1063.20312 0 56 1086.00000 1063.20312 2.10% - 0s 0 0 1063.21426 0 54 1086.00000 1063.21426 2.10% - 0s 0 0 1063.21426 0 58 1086.00000 1063.21426 2.10% - 0s 0 0 1063.27677 0 57 1086.00000 1063.27677 2.09% - 0s 0 0 1063.28438 0 41 1086.00000 1063.28438 2.09% - 0s 0 0 1063.29254 0 57 1086.00000 1063.29254 2.09% - 0s 0 0 1063.35751 0 54 1086.00000 1063.35751 2.08% - 0s 0 0 1063.36474 0 60 1086.00000 1063.36474 2.08% - 0s 0 0 1063.40122 0 56 1086.00000 1063.40122 2.08% - 0s 0 0 1063.40122 0 56 1086.00000 1063.40122 2.08% - 1s H 0 0 1080.0000000 1063.40122 1.54% - 1s H 0 0 1077.0000000 1063.40122 1.26% - 1s 0 2 1063.40502 0 56 1077.00000 1063.40502 1.26% - 1s * 119 67 45 1076.0000000 1064.60000 1.06% 8.8 1s * 214 99 18 1075.0000000 1065.65455 0.87% 8.2 1s Cutting planes: Gomory: 5 Zero half: 17 Explored 1144 nodes (9685 simplex iterations) in 2.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (8, 10), (9, 10), (9, 11), (11, 12), (12, 14)] Optimize a model with 612 rows, 528 columns and 59825 nonzeros Presolve time: 0.03s Presolved: 612 rows, 528 columns, 59825 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.01263 0 41 - 1063.01263 - - 0s 0 0 1063.01263 0 44 - 1063.01263 - - 0s 0 0 1063.01263 0 45 - 1063.01263 - - 0s 0 0 1063.01263 0 48 - 1063.01263 - - 0s 0 0 1063.01263 0 47 - 1063.01263 - - 0s 0 0 1063.01263 0 49 - 1063.01263 - - 0s H 0 0 1086.0000000 1063.01263 2.12% - 0s 0 0 1063.01263 0 10 1086.00000 1063.01263 2.12% - 0s 0 0 1063.01263 0 25 1086.00000 1063.01263 2.12% - 0s 0 0 1063.03731 0 45 1086.00000 1063.03731 2.11% - 0s 0 0 1063.03731 0 51 1086.00000 1063.03731 2.11% - 0s 0 0 1063.03731 0 51 1086.00000 1063.03731 2.11% - 0s 0 0 1063.08483 0 49 1086.00000 1063.08483 2.11% - 1s 0 0 1063.08483 0 53 1086.00000 1063.08483 2.11% - 1s 0 0 1063.21198 0 37 1086.00000 1063.21198 2.10% - 1s 0 0 1063.31556 0 54 1086.00000 1063.31556 2.09% - 1s 0 0 1063.32203 0 52 1086.00000 1063.32203 2.09% - 1s 0 0 1063.32203 0 55 1086.00000 1063.32203 2.09% - 1s 0 0 1063.33333 0 39 1086.00000 1063.33333 2.09% - 1s 0 0 1063.34342 0 52 1086.00000 1063.34342 2.09% - 1s 0 0 1063.34342 0 52 1086.00000 1063.34342 2.09% - 1s H 0 0 1079.0000000 1063.34342 1.45% - 1s H 0 0 1077.0000000 1063.34342 1.27% - 1s 0 2 1063.34884 0 52 1077.00000 1063.34884 1.27% - 1s * 193 96 24 1076.0000000 1067.00000 0.84% 8.4 2s * 255 112 10 1075.0000000 1067.88889 0.66% 8.2 2s Cutting planes: Gomory: 4 Zero half: 10 Explored 701 nodes (6415 simplex iterations) in 2.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 613 rows, 528 columns and 59880 nonzeros Presolve time: 0.03s Presolved: 613 rows, 528 columns, 59880 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.56694 0 44 - 1062.56694 - - 0s 0 0 1063.03030 0 27 - 1063.03030 - - 0s 0 0 1063.07947 0 48 - 1063.07947 - - 0s 0 0 1063.09458 0 45 - 1063.09458 - - 0s 0 0 1063.12932 0 30 - 1063.12932 - - 0s 0 0 1063.12932 0 34 - 1063.12932 - - 0s 0 0 1063.12932 0 32 - 1063.12932 - - 0s 0 0 1063.12932 0 36 - 1063.12932 - - 0s 0 0 1063.12932 0 35 - 1063.12932 - - 0s 0 0 1063.12932 0 38 - 1063.12932 - - 0s H 0 0 1125.0000000 1063.12932 5.50% - 0s H 0 0 1083.0000000 1063.12932 1.83% - 0s 0 0 1063.12932 0 37 1083.00000 1063.12932 1.83% - 0s 0 0 1063.12932 0 10 1083.00000 1063.12932 1.83% - 0s 0 0 1063.12932 0 11 1083.00000 1063.12932 1.83% - 0s 0 0 1063.24250 0 39 1083.00000 1063.24250 1.82% - 0s 0 0 1063.27135 0 40 1083.00000 1063.27135 1.82% - 0s 0 0 1063.27135 0 44 1083.00000 1063.27135 1.82% - 0s 0 0 1063.27135 0 35 1083.00000 1063.27135 1.82% - 0s 0 0 1063.27135 0 38 1083.00000 1063.27135 1.82% - 0s 0 0 1063.27135 0 40 1083.00000 1063.27135 1.82% - 0s 0 0 1063.27135 0 41 1083.00000 1063.27135 1.82% - 1s 0 0 1063.27135 0 41 1083.00000 1063.27135 1.82% - 1s H 0 0 1078.0000000 1063.27135 1.37% - 1s 0 2 1063.29351 0 41 1078.00000 1063.29351 1.36% - 1s H 27 18 1076.0000000 1063.72305 1.14% 11.8 1s * 69 30 12 1075.0000000 1064.47879 0.98% 11.6 1s Cutting planes: Gomory: 5 Zero half: 7 Explored 665 nodes (6964 simplex iterations) in 2.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 28), (28, 29)] Optimize a model with 614 rows, 528 columns and 59971 nonzeros Presolve time: 0.03s Presolved: 614 rows, 528 columns, 59971 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.01263 0 41 - 1063.01263 - - 0s 0 0 1063.01263 0 44 - 1063.01263 - - 0s 0 0 1063.01263 0 45 - 1063.01263 - - 0s 0 0 1063.01263 0 48 - 1063.01263 - - 0s 0 0 1063.01263 0 47 - 1063.01263 - - 0s 0 0 1063.01263 0 49 - 1063.01263 - - 0s H 0 0 1086.0000000 1063.01263 2.12% - 0s 0 0 1063.01263 0 12 1086.00000 1063.01263 2.12% - 0s 0 0 1063.01263 0 22 1086.00000 1063.01263 2.12% - 0s 0 0 1063.01484 0 52 1086.00000 1063.01484 2.12% - 0s 0 0 1063.01484 0 53 1086.00000 1063.01484 2.12% - 0s 0 0 1063.04680 0 49 1086.00000 1063.04680 2.11% - 0s 0 0 1063.06826 0 44 1086.00000 1063.06826 2.11% - 0s 0 0 1063.06826 0 48 1086.00000 1063.06826 2.11% - 1s 0 0 1063.06826 0 45 1086.00000 1063.06826 2.11% - 1s 0 0 1063.06826 0 48 1086.00000 1063.06826 2.11% - 1s 0 0 1063.06826 0 50 1086.00000 1063.06826 2.11% - 1s 0 0 1063.06826 0 48 1086.00000 1063.06826 2.11% - 1s 0 0 1063.06826 0 50 1086.00000 1063.06826 2.11% - 1s 0 0 1063.06826 0 50 1086.00000 1063.06826 2.11% - 1s H 0 0 1078.0000000 1063.06826 1.39% - 1s 0 2 1063.07424 0 50 1078.00000 1063.07424 1.38% - 1s * 37 17 36 1077.0000000 1064.00000 1.21% 8.9 1s H 93 46 1076.0000000 1065.01393 1.02% 8.5 2s * 108 49 20 1075.0000000 1065.01393 0.93% 8.4 2s Cutting planes: Gomory: 4 Zero half: 17 Explored 693 nodes (6171 simplex iterations) in 2.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 16), (6, 7), (7, 8), (8, 10), (9, 10), (9, 11), (11, 33), (12, 33), (16, 27), (17, 28), (17, 29), (27, 28), (29, 30)] Optimize a model with 615 rows, 528 columns and 60076 nonzeros Presolve time: 0.03s Presolved: 615 rows, 528 columns, 60076 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 120 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.01263 0 41 - 1063.01263 - - 0s 0 0 1063.01263 0 44 - 1063.01263 - - 0s 0 0 1063.01263 0 45 - 1063.01263 - - 0s 0 0 1063.01263 0 48 - 1063.01263 - - 0s 0 0 1063.01263 0 47 - 1063.01263 - - 0s 0 0 1063.01263 0 49 - 1063.01263 - - 0s H 0 0 1086.0000000 1063.01263 2.12% - 0s 0 0 1063.01263 0 10 1086.00000 1063.01263 2.12% - 0s 0 0 1063.01263 0 33 1086.00000 1063.01263 2.12% - 0s 0 0 1063.01278 0 49 1086.00000 1063.01278 2.12% - 0s 0 0 1063.01278 0 55 1086.00000 1063.01278 2.12% - 0s 0 0 1063.01278 0 53 1086.00000 1063.01278 2.12% - 0s 0 0 1063.01278 0 56 1086.00000 1063.01278 2.12% - 1s 0 0 1063.02389 0 44 1086.00000 1063.02389 2.12% - 1s H 0 0 1080.0000000 1063.02389 1.57% - 1s H 0 0 1079.0000000 1063.02389 1.48% - 1s 0 0 1063.02389 0 48 1079.00000 1063.02389 1.48% - 1s 0 0 1063.02389 0 47 1079.00000 1063.02389 1.48% - 1s 0 0 1063.02389 0 50 1079.00000 1063.02389 1.48% - 1s 0 0 1063.02389 0 47 1079.00000 1063.02389 1.48% - 1s 0 0 1063.02389 0 53 1079.00000 1063.02389 1.48% - 1s 0 0 1063.02389 0 50 1079.00000 1063.02389 1.48% - 1s 0 0 1063.02389 0 51 1079.00000 1063.02389 1.48% - 1s 0 0 1063.02389 0 51 1079.00000 1063.02389 1.48% - 1s 0 2 1063.02425 0 51 1079.00000 1063.02425 1.48% - 1s * 38 18 37 1078.0000000 1064.00000 1.30% 7.2 1s * 94 50 25 1077.0000000 1065.00000 1.11% 7.5 2s H 98 43 1076.0000000 1065.00000 1.02% 7.2 2s * 318 105 14 1075.0000000 1067.66667 0.68% 8.5 2s Cutting planes: Gomory: 4 Zero half: 8 Explored 853 nodes (7341 simplex iterations) in 2.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(10, 11), (10, 12), (11, 19), (12, 13), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 616 rows, 528 columns and 60154 nonzeros Presolve time: 0.03s Presolved: 616 rows, 528 columns, 60154 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s H 0 0 1084.0000000 1062.50000 1.98% - 0s 0 0 1062.50000 0 16 1084.00000 1062.50000 1.98% - 0s 0 0 1062.50000 0 14 1084.00000 1062.50000 1.98% - 0s 0 0 1062.50000 0 17 1084.00000 1062.50000 1.98% - 0s 0 0 1062.63050 0 44 1084.00000 1062.63050 1.97% - 0s 0 0 1062.63050 0 48 1084.00000 1062.63050 1.97% - 0s 0 0 1062.63050 0 50 1084.00000 1062.63050 1.97% - 0s 0 0 1062.63050 0 51 1084.00000 1062.63050 1.97% - 0s H 0 0 1082.0000000 1062.63050 1.79% - 0s H 0 0 1079.0000000 1062.63050 1.52% - 0s 0 0 1062.64773 0 36 1079.00000 1062.64773 1.52% - 0s 0 2 1063.00000 0 36 1079.00000 1063.00000 1.48% - 0s * 72 32 44 1077.0000000 1065.50000 1.07% 22.0 2s H 154 30 1075.0000000 1066.12500 0.83% 14.4 2s Cutting planes: Gomory: 7 Zero half: 6 Explored 1211 nodes (9783 simplex iterations) in 3.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(12, 33), (15, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 617 rows, 528 columns and 60209 nonzeros Presolve time: 0.03s Presolved: 617 rows, 528 columns, 60209 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 37 - 1063.00000 - - 0s 0 0 1063.00000 0 34 - 1063.00000 - - 0s 0 0 1063.00000 0 42 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 13 - 1063.00000 - - 0s H 0 0 1212.0000000 1063.00000 12.3% - 0s H 0 0 1096.0000000 1063.00000 3.01% - 0s 0 0 1063.00000 0 12 1096.00000 1063.00000 3.01% - 0s 0 0 1063.00000 0 27 1096.00000 1063.00000 3.01% - 0s H 0 0 1081.0000000 1063.00000 1.67% - 0s 0 0 1063.00000 0 14 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 10 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 44 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 44 1081.00000 1063.00000 1.67% - 0s 0 0 1063.06613 0 32 1081.00000 1063.06613 1.66% - 0s 0 0 1063.06613 0 36 1081.00000 1063.06613 1.66% - 0s 0 0 1063.06613 0 32 1081.00000 1063.06613 1.66% - 1s 0 0 1063.06613 0 36 1081.00000 1063.06613 1.66% - 1s 0 0 1063.06613 0 33 1081.00000 1063.06613 1.66% - 1s 0 0 1063.06613 0 37 1081.00000 1063.06613 1.66% - 1s 0 0 1063.06777 0 48 1081.00000 1063.06777 1.66% - 1s 0 0 1063.07121 0 54 1081.00000 1063.07121 1.66% - 1s 0 0 1063.07121 0 51 1081.00000 1063.07121 1.66% - 1s 0 0 1063.07121 0 54 1081.00000 1063.07121 1.66% - 1s 0 0 1063.08982 0 33 1081.00000 1063.08982 1.66% - 1s 0 0 1063.08982 0 37 1081.00000 1063.08982 1.66% - 1s 0 0 1063.08982 0 35 1081.00000 1063.08982 1.66% - 1s 0 0 1063.08982 0 38 1081.00000 1063.08982 1.66% - 1s 0 0 1063.08982 0 38 1081.00000 1063.08982 1.66% - 1s 0 0 1063.08982 0 39 1081.00000 1063.08982 1.66% - 1s 0 0 1063.08982 0 37 1081.00000 1063.08982 1.66% - 1s 0 2 1063.09060 0 37 1081.00000 1063.09060 1.66% - 1s * 55 17 53 1079.0000000 1064.65217 1.33% 5.4 2s H 83 38 1077.0000000 1064.97315 1.12% 6.6 2s * 86 38 30 1076.0000000 1064.97315 1.02% 6.8 2s H 292 83 1075.0000000 1067.00000 0.74% 8.7 2s Cutting planes: Gomory: 2 Zero half: 16 Explored 731 nodes (7446 simplex iterations) in 3.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 11), (6, 13), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 12), (7, 8), (7, 10), (9, 33), (9, 10), (12, 33)] Optimize a model with 619 rows, 528 columns and 60315 nonzeros Presolve time: 0.03s Presolved: 619 rows, 528 columns, 60315 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 97 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1080.0000000 1062.00000 1.67% - 0s 0 0 1062.62060 0 45 1080.00000 1062.62060 1.61% - 0s 0 0 1062.62060 0 12 1080.00000 1062.62060 1.61% - 0s 0 0 1062.62366 0 42 1080.00000 1062.62366 1.61% - 0s H 0 0 1079.0000000 1062.62366 1.52% - 0s 0 0 1062.96309 0 40 1079.00000 1062.96309 1.49% - 0s 0 0 1063.15838 0 47 1079.00000 1063.15838 1.47% - 0s 0 0 1063.15838 0 50 1079.00000 1063.15838 1.47% - 0s 0 0 1063.18002 0 51 1079.00000 1063.18002 1.47% - 0s 0 0 1063.18002 0 54 1079.00000 1063.18002 1.47% - 0s 0 0 1063.18002 0 51 1079.00000 1063.18002 1.47% - 0s 0 0 1063.18002 0 54 1079.00000 1063.18002 1.47% - 0s 0 0 1063.18002 0 51 1079.00000 1063.18002 1.47% - 0s 0 0 1063.18002 0 51 1079.00000 1063.18002 1.47% - 0s 0 0 1063.18002 0 51 1079.00000 1063.18002 1.47% - 0s 0 0 1063.18002 0 51 1079.00000 1063.18002 1.47% - 0s H 0 0 1078.0000000 1063.18002 1.37% - 0s H 0 0 1076.0000000 1063.18002 1.19% - 1s 0 2 1063.18671 0 51 1076.00000 1063.18671 1.19% - 1s * 154 70 12 1075.0000000 1065.40000 0.89% 6.7 1s Cutting planes: Gomory: 6 Zero half: 26 Explored 831 nodes (6949 simplex iterations) in 2.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 8), (9, 33), (9, 10), (10, 11), (11, 19), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 620 rows, 528 columns and 60420 nonzeros Presolve time: 0.03s Presolved: 620 rows, 528 columns, 60420 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1083.0000000 1062.00000 1.94% - 0s 0 0 1062.50000 0 10 1083.00000 1062.50000 1.89% - 0s 0 0 1062.50000 0 10 1083.00000 1062.50000 1.89% - 0s 0 0 1062.50000 0 10 1083.00000 1062.50000 1.89% - 0s H 0 0 1077.0000000 1062.50000 1.35% - 0s 0 0 1063.00000 0 8 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 2 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s * 26 16 20 1076.0000000 1063.76000 1.14% 13.2 1s * 592 170 18 1075.0000000 1068.61538 0.59% 9.0 1s Cutting planes: Gomory: 3 Zero half: 3 Explored 1075 nodes (9456 simplex iterations) in 2.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 10), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 621 rows, 528 columns and 60511 nonzeros Presolve time: 0.03s Presolved: 621 rows, 528 columns, 60511 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.39024 0 36 - 1062.39024 - - 0s 0 0 1062.80567 0 38 - 1062.80567 - - 0s 0 0 1062.80567 0 38 - 1062.80567 - - 0s 0 0 1062.80567 0 38 - 1062.80567 - - 0s 0 0 1062.80567 0 38 - 1062.80567 - - 0s 0 0 1062.80567 0 37 - 1062.80567 - - 0s H 0 0 1210.0000000 1062.80567 12.2% - 0s H 0 0 1078.0000000 1062.80567 1.41% - 0s 0 0 1062.80567 0 41 1078.00000 1062.80567 1.41% - 0s 0 0 1062.80567 0 10 1078.00000 1062.80567 1.41% - 0s 0 0 1062.80567 0 32 1078.00000 1062.80567 1.41% - 0s 0 0 1062.86865 0 37 1078.00000 1062.86865 1.40% - 0s 0 0 1063.03727 0 47 1078.00000 1063.03727 1.39% - 0s 0 0 1063.03727 0 51 1078.00000 1063.03727 1.39% - 0s 0 0 1063.03727 0 48 1078.00000 1063.03727 1.39% - 0s 0 0 1063.03727 0 51 1078.00000 1063.03727 1.39% - 0s 0 0 1063.03727 0 51 1078.00000 1063.03727 1.39% - 0s 0 0 1063.03727 0 54 1078.00000 1063.03727 1.39% - 0s 0 0 1063.03727 0 54 1078.00000 1063.03727 1.39% - 1s 0 2 1063.04316 0 54 1078.00000 1063.04316 1.39% - 1s * 101 52 30 1077.0000000 1064.70051 1.14% 8.3 1s * 273 116 9 1076.0000000 1066.38462 0.89% 7.5 1s * 446 176 14 1075.0000000 1067.00000 0.74% 8.0 1s Cutting planes: Gomory: 3 Zero half: 3 Explored 1200 nodes (10447 simplex iterations) in 3.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(10, 11), (11, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (6, 13), (7, 8), (8, 9), (9, 33), (12, 33), (12, 14)] Optimize a model with 623 rows, 528 columns and 60634 nonzeros Presolve time: 0.03s Presolved: 623 rows, 528 columns, 60634 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 38 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 26 - 1063.00000 - - 0s 0 0 1063.00000 0 41 - 1063.00000 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s H 0 0 1129.0000000 1063.00000 5.85% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 41 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 8 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 30 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00000 0 21 1077.00000 1063.00000 1.30% - 1s * 261 144 17 1076.0000000 1065.00000 1.02% 6.2 1s * 323 150 13 1075.0000000 1065.00000 0.93% 6.2 1s Cutting planes: Gomory: 4 Zero half: 3 Explored 1149 nodes (9897 simplex iterations) in 3.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (12, 33), (12, 13), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 624 rows, 528 columns and 60725 nonzeros Presolve time: 0.03s Presolved: 624 rows, 528 columns, 60725 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1075.0000000 1062.00000 1.21% - 0s 0 0 1062.50000 0 10 1075.00000 1062.50000 1.16% - 0s 0 0 1062.50000 0 10 1075.00000 1062.50000 1.16% - 0s 0 0 1062.50000 0 10 1075.00000 1062.50000 1.16% - 0s 0 0 1063.06197 0 48 1075.00000 1063.06197 1.11% - 0s 0 0 1063.12540 0 32 1075.00000 1063.12540 1.10% - 0s 0 0 1063.18904 0 42 1075.00000 1063.18904 1.10% - 0s 0 0 1063.18904 0 42 1075.00000 1063.18904 1.10% - 0s 0 0 1063.18904 0 43 1075.00000 1063.18904 1.10% - 0s 0 0 1063.18904 0 42 1075.00000 1063.18904 1.10% - 0s 0 0 1063.18904 0 46 1075.00000 1063.18904 1.10% - 0s 0 0 1063.18904 0 42 1075.00000 1063.18904 1.10% - 0s 0 0 1063.18904 0 47 1075.00000 1063.18904 1.10% - 0s 0 0 1063.18904 0 47 1075.00000 1063.18904 1.10% - 0s 0 2 1063.18996 0 47 1075.00000 1063.18996 1.10% - 0s Cutting planes: Gomory: 5 Zero half: 1 Explored 1231 nodes (10888 simplex iterations) in 3.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 11), (10, 14), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 625 rows, 528 columns and 60816 nonzeros Presolve time: 0.03s Presolved: 625 rows, 528 columns, 60816 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 109 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 32 - 1062.00000 - - 0s 0 0 1062.00000 0 36 - 1062.00000 - - 0s 0 0 1062.00000 0 36 - 1062.00000 - - 0s 0 0 1062.00000 0 37 - 1062.00000 - - 0s 0 0 1062.00000 0 23 - 1062.00000 - - 0s H 0 0 1124.0000000 1062.00000 5.52% - 0s H 0 0 1085.0000000 1062.00000 2.12% - 0s H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.00000 0 42 1079.00000 1062.00000 1.58% - 0s 0 0 1062.00000 0 10 1079.00000 1062.00000 1.58% - 0s 0 0 1062.51642 0 47 1079.00000 1062.51642 1.53% - 0s 0 0 1063.00904 0 15 1079.00000 1063.00904 1.48% - 0s 0 0 1063.04107 0 45 1079.00000 1063.04107 1.48% - 0s 0 0 1063.06060 0 50 1079.00000 1063.06060 1.48% - 0s 0 0 1063.06060 0 51 1079.00000 1063.06060 1.48% - 0s 0 0 1063.06060 0 54 1079.00000 1063.06060 1.48% - 0s 0 0 1063.06060 0 53 1079.00000 1063.06060 1.48% - 0s 0 0 1063.06060 0 56 1079.00000 1063.06060 1.48% - 0s 0 0 1063.06060 0 54 1079.00000 1063.06060 1.48% - 0s 0 0 1063.06060 0 57 1079.00000 1063.06060 1.48% - 0s 0 0 1063.06060 0 57 1079.00000 1063.06060 1.48% - 1s H 0 0 1078.0000000 1063.06060 1.39% - 1s 0 2 1063.07106 0 57 1078.00000 1063.07106 1.38% - 1s * 27 12 25 1077.0000000 1064.00000 1.21% 12.4 1s * 82 35 11 1075.0000000 1064.71816 0.96% 9.0 1s Cutting planes: Gomory: 3 Zero half: 14 Explored 754 nodes (6387 simplex iterations) in 2.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 12), (11, 33), (11, 19), (12, 33), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(14, 16), (16, 18), (17, 29), (17, 30), (18, 27), (27, 28), (28, 29)] Optimize a model with 627 rows, 528 columns and 60935 nonzeros Presolve time: 0.03s Presolved: 627 rows, 528 columns, 60935 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 113 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.56069 0 45 - 1062.56069 - - 0s 0 0 1062.83358 0 31 - 1062.83358 - - 0s 0 0 1063.09359 0 46 - 1063.09359 - - 0s 0 0 1063.09359 0 52 - 1063.09359 - - 0s 0 0 1063.11700 0 47 - 1063.11700 - - 0s 0 0 1063.14868 0 54 - 1063.14868 - - 0s 0 0 1063.16323 0 56 - 1063.16323 - - 0s 0 0 1063.27977 0 49 - 1063.27977 - - 0s 0 0 1063.29181 0 51 - 1063.29181 - - 0s 0 0 1063.29218 0 54 - 1063.29218 - - 0s 0 0 1063.29317 0 53 - 1063.29317 - - 0s 0 0 1063.29317 0 56 - 1063.29317 - - 0s H 0 0 1187.0000000 1063.29317 10.4% - 0s H 0 0 1078.0000000 1063.29317 1.36% - 0s 0 0 1063.29545 0 54 1078.00000 1063.29545 1.36% - 0s 0 0 1063.29545 0 10 1078.00000 1063.29545 1.36% - 0s 0 0 1063.29545 0 45 1078.00000 1063.29545 1.36% - 0s 0 0 1063.29545 0 50 1078.00000 1063.29545 1.36% - 0s 0 0 1063.30263 0 50 1078.00000 1063.30263 1.36% - 0s 0 0 1063.31012 0 53 1078.00000 1063.31012 1.36% - 0s 0 0 1063.31103 0 54 1078.00000 1063.31103 1.36% - 0s 0 0 1063.31103 0 51 1078.00000 1063.31103 1.36% - 0s 0 0 1063.31103 0 51 1078.00000 1063.31103 1.36% - 0s 0 0 1063.31103 0 51 1078.00000 1063.31103 1.36% - 0s 0 0 1063.31103 0 51 1078.00000 1063.31103 1.36% - 1s 0 2 1063.33141 0 51 1078.00000 1063.33141 1.36% - 1s * 243 142 15 1076.0000000 1065.38298 0.99% 6.2 1s * 814 203 19 1075.0000000 1068.00000 0.65% 8.6 3s Cutting planes: Gomory: 5 Zero half: 6 Explored 1329 nodes (11679 simplex iterations) in 4.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(17, 28), (17, 29), (18, 26), (18, 27), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (29, 30)] Optimize a model with 628 rows, 528 columns and 61026 nonzeros Presolve time: 0.03s Presolved: 628 rows, 528 columns, 61026 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 30 - 1063.00000 - - 0s H 0 0 1129.0000000 1063.00000 5.85% - 0s H 0 0 1105.0000000 1063.00000 3.80% - 0s 0 0 1063.00000 0 44 1105.00000 1063.00000 3.80% - 0s 0 0 1063.00000 0 15 1105.00000 1063.00000 3.80% - 0s H 0 0 1091.0000000 1063.00000 2.57% - 0s 0 0 1063.00000 0 29 1091.00000 1063.00000 2.57% - 0s 0 0 1063.00000 0 29 1091.00000 1063.00000 2.57% - 0s H 0 0 1081.0000000 1063.00000 1.67% - 0s 0 0 1063.00000 0 12 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 10 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 42 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 46 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 46 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 8 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 14 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 12 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 38 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 31 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 47 1081.00000 1063.00000 1.67% - 1s 0 0 1063.00000 0 46 1081.00000 1063.00000 1.67% - 1s H 0 0 1077.0000000 1063.00000 1.30% - 1s 0 2 1063.00000 0 46 1077.00000 1063.00000 1.30% - 1s * 184 111 37 1076.0000000 1064.80000 1.04% 4.6 2s * 589 341 15 1075.0000000 1066.00000 0.84% 5.6 2s Cutting planes: Gomory: 2 Explored 1667 nodes (13622 simplex iterations) in 4.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 19), (12, 33), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 629 rows, 528 columns and 61104 nonzeros Presolve time: 0.03s Presolved: 629 rows, 528 columns, 61104 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.03797 0 46 - 1062.03797 - - 0s 0 0 1062.09343 0 52 - 1062.09343 - - 0s 0 0 1062.27813 0 52 - 1062.27813 - - 0s 0 0 1062.27813 0 55 - 1062.27813 - - 0s 0 0 1062.54819 0 56 - 1062.54819 - - 0s 0 0 1062.54819 0 59 - 1062.54819 - - 0s 0 0 1062.68197 0 57 - 1062.68197 - - 0s 0 0 1062.69276 0 60 - 1062.69276 - - 0s 0 0 1062.69276 0 62 - 1062.69276 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.06221 0 58 - 1063.06221 - - 0s 0 0 1063.07759 0 61 - 1063.07759 - - 0s 0 0 1063.11191 0 56 - 1063.11191 - - 0s 0 0 1063.11191 0 56 - 1063.11191 - - 0s 0 0 1063.11191 0 56 - 1063.11191 - - 0s H 0 0 1131.0000000 1063.11191 6.00% - 0s H 0 0 1086.0000000 1063.11191 2.11% - 0s H 0 0 1079.0000000 1063.11191 1.47% - 0s 0 0 1063.11191 0 10 1079.00000 1063.11191 1.47% - 1s 0 0 1063.11191 0 16 1079.00000 1063.11191 1.47% - 1s 0 0 1063.11191 0 17 1079.00000 1063.11191 1.47% - 1s 0 0 1063.19947 0 46 1079.00000 1063.19947 1.46% - 1s 0 0 1063.20853 0 52 1079.00000 1063.20853 1.46% - 1s 0 0 1063.20853 0 56 1079.00000 1063.20853 1.46% - 1s 0 0 1063.20853 0 56 1079.00000 1063.20853 1.46% - 1s 0 2 1063.25000 0 56 1079.00000 1063.25000 1.46% - 1s H 120 64 1078.0000000 1065.19672 1.19% 7.8 1s * 142 74 31 1076.0000000 1065.19672 1.00% 7.8 1s * 1143 156 33 1075.0000000 1070.33945 0.43% 8.2 3s Cutting planes: Gomory: 1 Zero half: 7 Mod-K: 1 Explored 1397 nodes (11676 simplex iterations) in 4.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 13), (10, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 27), (27, 28), (29, 30)] Optimize a model with 630 rows, 528 columns and 61224 nonzeros Presolve time: 0.03s Presolved: 630 rows, 528 columns, 61224 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1082.0000000 1062.00000 1.85% - 0s 0 0 1062.07580 0 47 1082.00000 1062.07580 1.84% - 0s 0 0 1062.07580 0 12 1082.00000 1062.07580 1.84% - 0s 0 0 1062.63813 0 43 1082.00000 1062.63813 1.79% - 0s H 0 0 1080.0000000 1062.63813 1.61% - 0s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 27 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 15 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 17 1080.00000 1063.00000 1.57% - 0s 0 0 1063.02638 0 50 1080.00000 1063.02638 1.57% - 0s 0 0 1063.06863 0 51 1080.00000 1063.06863 1.57% - 0s 0 0 1063.06863 0 52 1080.00000 1063.06863 1.57% - 0s 0 0 1063.11348 0 47 1080.00000 1063.11348 1.56% - 0s 0 0 1063.12264 0 53 1080.00000 1063.12264 1.56% - 0s H 0 0 1076.0000000 1063.12264 1.20% - 0s 0 0 1063.12768 0 38 1076.00000 1063.12768 1.20% - 0s 0 0 1063.12768 0 45 1076.00000 1063.12768 1.20% - 0s 0 0 1063.13532 0 51 1076.00000 1063.13532 1.20% - 0s 0 0 1063.13532 0 55 1076.00000 1063.13532 1.20% - 0s 0 0 1063.13532 0 58 1076.00000 1063.13532 1.20% - 0s 0 0 1063.13532 0 56 1076.00000 1063.13532 1.20% - 0s 0 0 1063.13532 0 59 1076.00000 1063.13532 1.20% - 0s 0 0 1063.13532 0 59 1076.00000 1063.13532 1.20% - 1s 0 2 1063.15389 0 59 1076.00000 1063.15389 1.19% - 1s * 157 81 27 1075.0000000 1065.03030 0.93% 8.6 1s Cutting planes: Gomory: 6 Zero half: 11 Explored 966 nodes (8436 simplex iterations) in 2.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(8, 11), (11, 19), (15, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 631 rows, 528 columns and 61279 nonzeros Presolve time: 0.03s Presolved: 631 rows, 528 columns, 61279 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1199.0000000 1063.00000 11.3% - 0s H 0 0 1115.0000000 1063.00000 4.66% - 0s 0 0 1063.00000 0 12 1115.00000 1063.00000 4.66% - 0s 0 0 1063.00000 0 12 1115.00000 1063.00000 4.66% - 0s 0 0 1063.00000 0 12 1115.00000 1063.00000 4.66% - 0s H 0 0 1105.0000000 1063.00000 3.80% - 0s H 0 0 1088.0000000 1063.00000 2.30% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 0 1063.00000 0 10 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 40 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 43 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 25 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 25 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 34 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 45 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 48 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 25 1076.00000 1063.00000 1.21% - 1s 0 2 1063.00000 0 25 1076.00000 1063.00000 1.21% - 1s * 340 188 14 1075.0000000 1065.22222 0.91% 6.0 2s Cutting planes: Gomory: 2 Zero half: 2 Explored 1288 nodes (11492 simplex iterations) in 3.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 12), (10, 11), (11, 19), (12, 13), (17, 28), (17, 29), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 27), (27, 28), (29, 30)] Optimize a model with 632 rows, 528 columns and 61415 nonzeros Presolve time: 0.03s Presolved: 632 rows, 528 columns, 61415 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 12 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 0s 0 0 1063.04545 0 39 1076.00000 1063.04545 1.20% - 0s 0 0 1063.04545 0 43 1076.00000 1063.04545 1.20% - 0s 0 0 1063.04545 0 41 1076.00000 1063.04545 1.20% - 0s 0 0 1063.04545 0 41 1076.00000 1063.04545 1.20% - 0s 0 0 1063.04545 0 41 1076.00000 1063.04545 1.20% - 0s 0 0 1063.04545 0 46 1076.00000 1063.04545 1.20% - 0s 0 0 1063.04545 0 45 1076.00000 1063.04545 1.20% - 0s 0 2 1063.12500 0 45 1076.00000 1063.12500 1.20% - 0s * 388 120 28 1075.0000000 1068.00000 0.65% 7.5 1s Cutting planes: Gomory: 4 Explored 1136 nodes (9421 simplex iterations) in 2.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 10), (10, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 633 rows, 528 columns and 61535 nonzeros Presolve time: 0.03s Presolved: 633 rows, 528 columns, 61535 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1202.0000000 1063.00000 11.6% - 0s H 0 0 1117.0000000 1063.00000 4.83% - 0s 0 0 1063.00000 0 12 1117.00000 1063.00000 4.83% - 0s 0 0 1063.00000 0 12 1117.00000 1063.00000 4.83% - 0s H 0 0 1104.0000000 1063.00000 3.71% - 0s 0 2 1063.00000 0 12 1104.00000 1063.00000 3.71% - 0s H 27 26 1081.0000000 1063.50000 1.62% 10.1 1s H 54 29 1080.0000000 1063.50000 1.53% 6.0 1s H 81 36 1079.0000000 1063.50000 1.44% 5.0 1s * 104 41 20 1076.0000000 1063.50000 1.16% 6.0 1s * 257 94 15 1075.0000000 1066.00000 0.84% 7.7 1s Cutting planes: Gomory: 3 Zero half: 6 Explored 971 nodes (7675 simplex iterations) in 2.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 11), (11, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 634 rows, 528 columns and 61640 nonzeros Presolve time: 0.03s Presolved: 634 rows, 528 columns, 61640 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.50000 0 14 - 1062.50000 - - 0s 0 0 1062.50000 0 14 - 1062.50000 - - 0s 0 0 1062.50000 0 17 - 1062.50000 - - 0s 0 0 1062.58475 0 51 - 1062.58475 - - 0s 0 0 1062.58475 0 54 - 1062.58475 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.01064 0 43 - 1063.01064 - - 0s 0 0 1063.01064 0 42 - 1063.01064 - - 0s 0 0 1063.01064 0 46 - 1063.01064 - - 0s 0 0 1063.01064 0 41 - 1063.01064 - - 0s H 0 0 1200.0000000 1063.01064 11.4% - 0s H 0 0 1088.0000000 1063.01064 2.30% - 0s H 0 0 1079.0000000 1063.01064 1.48% - 0s 0 0 1063.01064 0 44 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01064 0 10 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01064 0 49 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01733 0 54 1079.00000 1063.01733 1.48% - 0s H 0 0 1078.0000000 1063.01733 1.39% - 0s 0 0 1063.01733 0 57 1078.00000 1063.01733 1.39% - 0s 0 0 1063.01733 0 56 1078.00000 1063.01733 1.39% - 0s 0 0 1063.01733 0 56 1078.00000 1063.01733 1.39% - 0s 0 0 1063.01733 0 59 1078.00000 1063.01733 1.39% - 0s 0 0 1063.04032 0 45 1078.00000 1063.04032 1.39% - 0s H 0 0 1077.0000000 1063.04032 1.30% - 0s 0 0 1063.04032 0 49 1077.00000 1063.04032 1.30% - 0s 0 0 1063.04032 0 48 1077.00000 1063.04032 1.30% - 0s 0 0 1063.04032 0 51 1077.00000 1063.04032 1.30% - 1s 0 0 1063.04032 0 49 1077.00000 1063.04032 1.30% - 1s 0 0 1063.04032 0 52 1077.00000 1063.04032 1.30% - 1s 0 0 1063.08193 0 49 1077.00000 1063.08193 1.29% - 1s 0 0 1063.08501 0 58 1077.00000 1063.08501 1.29% - 1s 0 0 1063.08666 0 53 1077.00000 1063.08666 1.29% - 1s 0 0 1063.08666 0 57 1077.00000 1063.08666 1.29% - 1s 0 0 1063.08666 0 59 1077.00000 1063.08666 1.29% - 1s 0 0 1063.11067 0 49 1077.00000 1063.11067 1.29% - 1s 0 0 1063.11365 0 57 1077.00000 1063.11365 1.29% - 1s 0 0 1063.11365 0 57 1077.00000 1063.11365 1.29% - 1s 0 2 1063.13451 0 57 1077.00000 1063.13451 1.29% - 1s H 108 57 1076.0000000 1064.80000 1.04% 7.8 2s H 911 243 1075.0000000 1068.60000 0.60% 8.8 4s Cutting planes: Gomory: 2 Zero half: 6 Explored 1545 nodes (12800 simplex iterations) in 4.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 12), (11, 19), (12, 14), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 635 rows, 528 columns and 61745 nonzeros Presolve time: 0.03s Presolved: 635 rows, 528 columns, 61745 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.50000 0 14 - 1062.50000 - - 0s 0 0 1062.50000 0 14 - 1062.50000 - - 0s 0 0 1062.50000 0 17 - 1062.50000 - - 0s 0 0 1062.58475 0 51 - 1062.58475 - - 0s 0 0 1062.58475 0 54 - 1062.58475 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.01064 0 43 - 1063.01064 - - 0s 0 0 1063.01064 0 42 - 1063.01064 - - 0s 0 0 1063.01064 0 46 - 1063.01064 - - 0s 0 0 1063.01064 0 41 - 1063.01064 - - 0s H 0 0 1114.0000000 1063.01064 4.58% - 0s H 0 0 1088.0000000 1063.01064 2.30% - 0s H 0 0 1079.0000000 1063.01064 1.48% - 0s 0 0 1063.01064 0 44 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01064 0 12 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01064 0 47 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01808 0 47 1079.00000 1063.01808 1.48% - 0s 0 0 1063.01808 0 52 1079.00000 1063.01808 1.48% - 0s 0 0 1063.01808 0 53 1079.00000 1063.01808 1.48% - 0s H 0 0 1078.0000000 1063.01808 1.39% - 0s 0 0 1063.01808 0 51 1078.00000 1063.01808 1.39% - 0s 0 0 1063.01808 0 56 1078.00000 1063.01808 1.39% - 0s 0 0 1063.05881 0 52 1078.00000 1063.05881 1.39% - 0s 0 0 1063.05881 0 53 1078.00000 1063.05881 1.39% - 0s 0 0 1063.05881 0 58 1078.00000 1063.05881 1.39% - 0s 0 0 1063.05881 0 59 1078.00000 1063.05881 1.39% - 1s 0 0 1063.08482 0 54 1078.00000 1063.08482 1.38% - 1s 0 0 1063.11060 0 53 1078.00000 1063.11060 1.38% - 1s 0 0 1063.12495 0 57 1078.00000 1063.12495 1.38% - 1s 0 0 1063.12495 0 58 1078.00000 1063.12495 1.38% - 1s 0 0 1063.14255 0 59 1078.00000 1063.14255 1.38% - 1s 0 2 1063.16323 0 59 1078.00000 1063.16323 1.38% - 1s * 137 65 16 1077.0000000 1064.80000 1.13% 5.8 1s * 139 63 16 1076.0000000 1064.80000 1.04% 5.8 1s * 318 117 15 1075.0000000 1067.36364 0.71% 7.2 2s Cutting planes: Gomory: 2 Zero half: 11 Explored 852 nodes (6886 simplex iterations) in 2.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 27), (27, 28), (28, 29)] Optimize a model with 636 rows, 528 columns and 61850 nonzeros Presolve time: 0.03s Presolved: 636 rows, 528 columns, 61850 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 29 - 1063.00000 - - 0s 0 0 1063.00000 0 41 - 1063.00000 - - 0s H 0 0 1110.0000000 1063.00000 4.23% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 47 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 0 1063.00000 0 38 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 42 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 41 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 25 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 50 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 40 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 31 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 41 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 12 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 42 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 1s 0 2 1063.00000 0 14 1076.00000 1063.00000 1.21% - 1s * 384 190 15 1075.0000000 1066.00000 0.84% 6.6 2s Cutting planes: Gomory: 2 Explored 1724 nodes (14218 simplex iterations) in 3.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 11), (11, 19), (14, 33), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 637 rows, 528 columns and 61955 nonzeros Presolve time: 0.03s Presolved: 637 rows, 528 columns, 61955 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 14 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 14 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 14 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 16 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 14 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 14 1076.00000 1062.50000 1.25% - 0s 0 2 1062.60000 0 14 1076.00000 1062.60000 1.25% - 0s * 788 161 13 1075.0000000 1070.00000 0.47% 8.8 1s Cutting planes: Gomory: 1 Zero half: 7 Explored 1133 nodes (9904 simplex iterations) in 2.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 638 rows, 528 columns and 62021 nonzeros Presolve time: 0.03s Presolved: 638 rows, 528 columns, 62021 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 29 - 1063.00000 - - 0s H 0 0 1144.0000000 1063.00000 7.08% - 0s H 0 0 1109.0000000 1063.00000 4.15% - 0s 0 0 1063.00000 0 27 1109.00000 1063.00000 4.15% - 0s 0 0 1063.00000 0 32 1109.00000 1063.00000 4.15% - 0s 0 0 1063.00000 0 32 1109.00000 1063.00000 4.15% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 44 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 48 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 42 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 33 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 40 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 47 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 39 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 39 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 39 1078.00000 1063.00000 1.39% - 1s 0 2 1063.00000 0 39 1078.00000 1063.00000 1.39% - 1s * 103 47 28 1076.0000000 1063.82927 1.13% 5.9 1s * 450 202 18 1075.0000000 1066.00000 0.84% 6.8 2s Cutting planes: Gomory: 2 Zero half: 1 Explored 1491 nodes (13383 simplex iterations) in 4.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 11), (9, 14), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 639 rows, 528 columns and 62112 nonzeros Presolve time: 0.03s Presolved: 639 rows, 528 columns, 62112 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.50000 0 14 - 1062.50000 - - 0s 0 0 1062.50000 0 14 - 1062.50000 - - 0s 0 0 1062.50000 0 17 - 1062.50000 - - 0s 0 0 1062.58475 0 51 - 1062.58475 - - 0s 0 0 1062.58475 0 54 - 1062.58475 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.01064 0 43 - 1063.01064 - - 0s 0 0 1063.01064 0 42 - 1063.01064 - - 0s 0 0 1063.01064 0 46 - 1063.01064 - - 0s 0 0 1063.01064 0 41 - 1063.01064 - - 0s H 0 0 1086.0000000 1063.01064 2.12% - 0s H 0 0 1079.0000000 1063.01064 1.48% - 0s 0 0 1063.01064 0 44 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01064 0 12 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01064 0 47 1079.00000 1063.01064 1.48% - 0s 0 0 1063.01808 0 47 1079.00000 1063.01808 1.48% - 0s 0 0 1063.01808 0 52 1079.00000 1063.01808 1.48% - 0s 0 0 1063.01808 0 53 1079.00000 1063.01808 1.48% - 0s 0 0 1063.01808 0 51 1079.00000 1063.01808 1.48% - 0s 0 0 1063.01808 0 54 1079.00000 1063.01808 1.48% - 0s 0 0 1063.04468 0 52 1079.00000 1063.04468 1.48% - 0s H 0 0 1078.0000000 1063.04468 1.39% - 0s 0 0 1063.04468 0 56 1078.00000 1063.04468 1.39% - 0s 0 0 1063.04468 0 58 1078.00000 1063.04468 1.39% - 0s 0 0 1063.04468 0 53 1078.00000 1063.04468 1.39% - 0s 0 0 1063.04468 0 59 1078.00000 1063.04468 1.39% - 1s 0 0 1063.08552 0 52 1078.00000 1063.08552 1.38% - 1s 0 0 1063.08554 0 56 1078.00000 1063.08554 1.38% - 1s 0 0 1063.08956 0 55 1078.00000 1063.08956 1.38% - 1s 0 0 1063.08956 0 58 1078.00000 1063.08956 1.38% - 1s 0 0 1063.12557 0 62 1078.00000 1063.12557 1.38% - 1s 0 0 1063.15676 0 53 1078.00000 1063.15676 1.38% - 1s 0 0 1063.22329 0 62 1078.00000 1063.22329 1.37% - 1s 0 0 1063.22329 0 62 1078.00000 1063.22329 1.37% - 1s H 0 0 1077.0000000 1063.22329 1.28% - 1s 0 2 1063.22703 0 62 1077.00000 1063.22703 1.28% - 1s * 146 79 19 1076.0000000 1065.19540 1.00% 8.5 2s * 575 190 11 1075.0000000 1068.50000 0.60% 8.0 2s Cutting planes: Gomory: 3 Zero half: 24 Explored 1080 nodes (9222 simplex iterations) in 3.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 640 rows, 528 columns and 62248 nonzeros Presolve time: 0.03s Presolved: 640 rows, 528 columns, 62248 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.29167 0 45 - 1062.29167 - - 0s 0 0 1062.73529 0 42 - 1062.73529 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 0 1063.00000 0 10 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 43 1076.00000 1063.00000 1.21% - 0s 0 0 1063.31034 0 45 1076.00000 1063.31034 1.18% - 0s 0 0 1063.33238 0 51 1076.00000 1063.33238 1.18% - 0s 0 0 1063.33238 0 56 1076.00000 1063.33238 1.18% - 0s 0 0 1063.38416 0 50 1076.00000 1063.38416 1.17% - 0s 0 0 1063.42657 0 53 1076.00000 1063.42657 1.17% - 0s 0 0 1063.46217 0 53 1076.00000 1063.46217 1.17% - 0s 0 0 1063.46217 0 53 1076.00000 1063.46217 1.17% - 0s 0 0 1063.46217 0 51 1076.00000 1063.46217 1.17% - 1s 0 2 1063.46728 0 51 1076.00000 1063.46728 1.16% - 1s * 26 10 18 1075.0000000 1064.06688 1.02% 10.3 1s Cutting planes: Gomory: 6 Zero half: 8 Explored 789 nodes (7060 simplex iterations) in 2.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (12, 33), (12, 13), (15, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 641 rows, 528 columns and 62339 nonzeros Presolve time: 0.03s Presolved: 641 rows, 528 columns, 62339 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1202.0000000 1063.00000 11.6% - 0s H 0 0 1118.0000000 1063.00000 4.92% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 15 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 44 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 32 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 47 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 20 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 14 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 25 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 15 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 21 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 27 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 27 1079.00000 1063.00000 1.48% - 1s H 0 0 1078.0000000 1063.00000 1.39% - 1s 0 2 1063.00000 0 27 1078.00000 1063.00000 1.39% - 1s H 54 31 1076.0000000 1063.66667 1.15% 10.1 1s * 986 90 22 1075.0000000 1070.53333 0.42% 9.3 3s Cutting planes: Gomory: 2 Zero half: 1 Explored 1131 nodes (11631 simplex iterations) in 3.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 11), (11, 19), (12, 33), (12, 14), (15, 16), (16, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 642 rows, 528 columns and 62475 nonzeros Presolve time: 0.03s Presolved: 642 rows, 528 columns, 62475 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.33333 0 18 1085.00000 1062.33333 2.09% - 0s 0 0 1062.33333 0 12 1085.00000 1062.33333 2.09% - 0s 0 0 1062.50000 0 10 1085.00000 1062.50000 2.07% - 0s 0 0 1063.00000 0 8 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 12 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 10 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 14 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 16 1085.00000 1063.00000 2.03% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 17 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 21 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 2 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s * 47 24 8 1079.0000000 1064.44318 1.35% 9.7 1s * 48 22 8 1078.0000000 1064.44318 1.26% 9.5 1s * 100 44 51 1077.0000000 1064.57143 1.15% 7.5 1s H 119 51 1076.0000000 1064.62989 1.06% 7.5 1s * 242 80 17 1075.0000000 1065.40000 0.89% 7.7 1s Cutting planes: Gomory: 2 Explored 1053 nodes (9012 simplex iterations) in 2.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 13), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 643 rows, 528 columns and 62541 nonzeros Presolve time: 0.03s Presolved: 643 rows, 528 columns, 62541 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1133.0000000 1063.00000 6.18% - 0s H 0 0 1122.0000000 1063.00000 5.26% - 0s 0 0 1063.00000 0 15 1122.00000 1063.00000 5.26% - 0s 0 0 1063.00000 0 26 1122.00000 1063.00000 5.26% - 0s 0 0 1063.00000 0 26 1122.00000 1063.00000 5.26% - 0s H 0 0 1109.0000000 1063.00000 4.15% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 0 1063.00000 0 10 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 40 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 43 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 25 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 49 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 39 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 49 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 46 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 28 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 45 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 50 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 47 1076.00000 1063.00000 1.21% - 1s 0 2 1063.00000 0 35 1076.00000 1063.00000 1.21% - 1s * 599 277 17 1075.0000000 1066.93750 0.75% 7.4 2s Cutting planes: Gomory: 2 Zero half: 2 Explored 1546 nodes (14177 simplex iterations) in 4.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (9, 11), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 644 rows, 528 columns and 62619 nonzeros Presolve time: 0.03s Presolved: 644 rows, 528 columns, 62619 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1161.0000000 1063.00000 8.44% - 0s H 0 0 1129.0000000 1063.00000 5.85% - 0s 0 0 1063.00000 0 15 1129.00000 1063.00000 5.85% - 0s 0 0 1063.00000 0 39 1129.00000 1063.00000 5.85% - 0s 0 0 1063.00000 0 39 1129.00000 1063.00000 5.85% - 0s H 0 0 1102.0000000 1063.00000 3.54% - 0s H 0 0 1101.0000000 1063.00000 3.45% - 0s H 0 0 1094.0000000 1063.00000 2.83% - 0s H 0 0 1084.0000000 1063.00000 1.94% - 0s 0 0 1063.00000 0 12 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 10 1084.00000 1063.00000 1.94% - 1s 0 0 1063.00000 0 14 1084.00000 1063.00000 1.94% - 1s 0 0 1063.00000 0 18 1084.00000 1063.00000 1.94% - 1s 0 0 1063.00000 0 12 1084.00000 1063.00000 1.94% - 1s 0 0 1063.00000 0 14 1084.00000 1063.00000 1.94% - 1s 0 0 1063.00000 0 17 1084.00000 1063.00000 1.94% - 1s 0 0 1063.00000 0 14 1084.00000 1063.00000 1.94% - 1s 0 0 1063.00000 0 21 1084.00000 1063.00000 1.94% - 1s 0 0 1063.00000 0 21 1084.00000 1063.00000 1.94% - 1s H 0 0 1079.0000000 1063.00000 1.48% - 1s 0 2 1063.00000 0 21 1079.00000 1063.00000 1.48% - 1s * 183 97 33 1077.0000000 1064.80000 1.13% 7.6 2s * 249 121 15 1076.0000000 1065.16667 1.01% 8.0 2s * 256 101 13 1075.0000000 1065.16667 0.91% 7.8 2s Cutting planes: Gomory: 4 Zero half: 4 Explored 1135 nodes (9537 simplex iterations) in 3.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 13), (9, 11), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 645 rows, 528 columns and 62697 nonzeros Presolve time: 0.03s Presolved: 645 rows, 528 columns, 62697 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 115 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33333 0 18 - 1062.33333 - - 0s 0 0 1062.76581 0 50 - 1062.76581 - - 0s 0 0 1062.78862 0 55 - 1062.78862 - - 0s 0 0 1062.78862 0 54 - 1062.78862 - - 0s 0 0 1062.78862 0 57 - 1062.78862 - - 0s 0 0 1062.89932 0 46 - 1062.89932 - - 0s 0 0 1062.89932 0 50 - 1062.89932 - - 0s 0 0 1062.89932 0 50 - 1062.89932 - - 0s 0 0 1062.89932 0 53 - 1062.89932 - - 0s 0 0 1062.91085 0 48 - 1062.91085 - - 0s H 0 0 1256.0000000 1062.91085 15.4% - 0s H 0 0 1092.0000000 1062.91085 2.66% - 0s 0 0 1062.91085 0 52 1092.00000 1062.91085 2.66% - 0s 0 0 1062.91085 0 52 1092.00000 1062.91085 2.66% - 0s H 0 0 1090.0000000 1062.91085 2.49% - 0s 0 0 1062.91085 0 55 1090.00000 1062.91085 2.49% - 0s 0 0 1063.09401 0 60 1090.00000 1063.09401 2.47% - 0s 0 0 1063.09401 0 62 1090.00000 1063.09401 2.47% - 0s 0 0 1063.12725 0 60 1090.00000 1063.12725 2.47% - 0s 0 0 1063.13212 0 63 1090.00000 1063.13212 2.46% - 0s 0 0 1063.18181 0 61 1090.00000 1063.18181 2.46% - 0s H 0 0 1078.0000000 1063.18181 1.37% - 0s 0 0 1063.23810 0 59 1078.00000 1063.23810 1.37% - 1s 0 0 1063.23810 0 10 1078.00000 1063.23810 1.37% - 1s 0 0 1063.23810 0 54 1078.00000 1063.23810 1.37% - 1s 0 0 1063.23810 0 59 1078.00000 1063.23810 1.37% - 1s 0 0 1063.24793 0 54 1078.00000 1063.24793 1.37% - 1s 0 2 1063.24835 0 54 1078.00000 1063.24835 1.37% - 1s * 104 53 19 1077.0000000 1065.04545 1.11% 8.5 1s H 132 67 1076.0000000 1066.00000 0.93% 8.3 2s * 1309 80 31 1075.0000000 1071.50000 0.33% 8.7 4s Cutting planes: Gomory: 2 Zero half: 7 Explored 1488 nodes (12878 simplex iterations) in 4.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 33), (9, 10), (11, 33), (11, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 646 rows, 528 columns and 62802 nonzeros Presolve time: 0.03s Presolved: 646 rows, 528 columns, 62802 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1156.0000000 1063.00000 8.04% - 0s H 0 0 1117.0000000 1063.00000 4.83% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 15 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 44 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 32 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 47 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 20 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 14 1079.00000 1063.00000 1.48% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 0 1063.00000 0 24 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 31 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 29 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 28 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 46 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 8 1076.00000 1063.00000 1.21% - 1s 0 2 1063.00000 0 8 1076.00000 1063.00000 1.21% - 1s * 884 304 25 1075.0000000 1067.00000 0.74% 8.3 3s Cutting planes: Gomory: 2 Explored 1694 nodes (14922 simplex iterations) in 4.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (13, 33), (15, 16), (16, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 647 rows, 528 columns and 62880 nonzeros Presolve time: 0.03s Presolved: 647 rows, 528 columns, 62880 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1086.0000000 1062.00000 2.21% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.50000 0 10 1086.00000 1062.50000 2.16% - 0s 0 0 1062.97500 0 42 1086.00000 1062.97500 2.12% - 0s 0 0 1063.00000 0 12 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 14 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 12 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 14 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 14 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 16 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 16 1086.00000 1063.00000 2.12% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 2 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s H 27 15 1076.0000000 1063.42969 1.17% 11.2 1s H 923 121 1075.0000000 1071.33333 0.34% 8.4 2s Cutting planes: Gomory: 4 Zero half: 4 Explored 1143 nodes (9500 simplex iterations) in 2.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 11), (11, 19), (14, 33), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 648 rows, 528 columns and 62985 nonzeros Presolve time: 0.03s Presolved: 648 rows, 528 columns, 62985 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.58696 0 41 1076.00000 1062.58696 1.25% - 0s 0 0 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 15 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 17 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 21 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 21 1076.00000 1063.00000 1.21% - 0s 0 2 1063.01429 0 21 1076.00000 1063.01429 1.21% - 0s Cutting planes: Gomory: 6 Zero half: 5 Explored 1047 nodes (8975 simplex iterations) in 1.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 11), (10, 12), (11, 19), (12, 14), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 649 rows, 528 columns and 63090 nonzeros Presolve time: 0.03s Presolved: 649 rows, 528 columns, 63090 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1157.0000000 1063.00000 8.12% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 15 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 39 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 43 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 29 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 49 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 31 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 0s H 0 0 1076.0000000 1063.00000 1.21% - 0s 0 0 1063.00000 0 31 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 40 1076.00000 1063.00000 1.21% - 1s 0 0 1063.00000 0 38 1076.00000 1063.00000 1.21% - 1s 0 2 1063.00000 0 36 1076.00000 1063.00000 1.21% - 1s Cutting planes: Gomory: 2 Explored 1312 nodes (11778 simplex iterations) in 3.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(12, 33), (12, 13), (17, 29), (17, 30), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 28), (28, 29)] Optimize a model with 650 rows, 528 columns and 63181 nonzeros Presolve time: 0.03s Presolved: 650 rows, 528 columns, 63181 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.06923 0 48 - 1062.06923 - - 0s 0 0 1062.21327 0 49 - 1062.21327 - - 0s 0 0 1062.21327 0 49 - 1062.21327 - - 0s 0 0 1062.21327 0 52 - 1062.21327 - - 0s 0 0 1062.58583 0 59 - 1062.58583 - - 0s 0 0 1062.62899 0 58 - 1062.62899 - - 0s 0 0 1062.62899 0 61 - 1062.62899 - - 0s 0 0 1062.78326 0 62 - 1062.78326 - - 0s 0 0 1062.85385 0 61 - 1062.85385 - - 0s 0 0 1062.87372 0 66 - 1062.87372 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.05474 0 55 - 1063.05474 - - 0s 0 0 1063.07609 0 62 - 1063.07609 - - 0s 0 0 1063.08062 0 61 - 1063.08062 - - 0s 0 0 1063.10787 0 60 - 1063.10787 - - 0s 0 0 1063.11161 0 63 - 1063.11161 - - 0s 0 0 1063.11544 0 66 - 1063.11544 - - 0s H 0 0 1133.0000000 1063.11544 6.17% - 1s H 0 0 1078.0000000 1063.11544 1.38% - 1s H 0 0 1077.0000000 1063.11544 1.29% - 1s 0 0 1063.11544 0 12 1077.00000 1063.11544 1.29% - 1s 0 0 1063.11544 0 55 1077.00000 1063.11544 1.29% - 1s 0 0 1063.11544 0 63 1077.00000 1063.11544 1.29% - 1s 0 0 1063.13101 0 61 1077.00000 1063.13101 1.29% - 1s 0 0 1063.13666 0 59 1077.00000 1063.13666 1.29% - 1s 0 0 1063.13666 0 59 1077.00000 1063.13666 1.29% - 1s 0 2 1063.13823 0 59 1077.00000 1063.13823 1.29% - 1s * 160 87 16 1076.0000000 1065.42424 0.98% 8.0 2s Cutting planes: Zero half: 11 Explored 1794 nodes (15435 simplex iterations) in 4.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 28), (28, 29)] Optimize a model with 651 rows, 528 columns and 63334 nonzeros Presolve time: 0.03s Presolved: 651 rows, 528 columns, 63334 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.50000 0 10 1084.00000 1062.50000 1.98% - 0s 0 0 1062.50000 0 12 1084.00000 1062.50000 1.98% - 0s 0 0 1062.50000 0 10 1084.00000 1062.50000 1.98% - 0s H 0 0 1076.0000000 1062.50000 1.25% - 0s 0 0 1062.84848 0 43 1076.00000 1062.84848 1.22% - 0s 0 2 1063.21892 0 43 1076.00000 1063.21892 1.19% - 0s Cutting planes: Gomory: 8 Zero half: 14 Explored 1205 nodes (9850 simplex iterations) in 3.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (17, 29), (17, 30), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 28), (28, 29)] Optimize a model with 652 rows, 528 columns and 63470 nonzeros Presolve time: 0.03s Presolved: 652 rows, 528 columns, 63470 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.72727 0 45 - 1062.72727 - - 0s 0 0 1063.00000 0 45 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s H 0 0 1108.0000000 1063.00000 4.06% - 0s 0 0 1063.00000 0 29 1108.00000 1063.00000 4.06% - 0s 0 0 1063.00000 0 26 1108.00000 1063.00000 4.06% - 0s H 0 0 1095.0000000 1063.00000 2.92% - 0s 0 0 1063.00000 0 50 1095.00000 1063.00000 2.92% - 0s 0 0 1063.00000 0 50 1095.00000 1063.00000 2.92% - 0s 0 0 1063.00000 0 12 1095.00000 1063.00000 2.92% - 1s 0 0 1063.00000 0 10 1095.00000 1063.00000 2.92% - 1s 0 0 1063.00000 0 48 1095.00000 1063.00000 2.92% - 1s 0 0 1063.00000 0 51 1095.00000 1063.00000 2.92% - 1s 0 0 1063.08163 0 27 1095.00000 1063.08163 2.91% - 1s 0 0 1063.08163 0 31 1095.00000 1063.08163 2.91% - 1s 0 0 1063.08163 0 31 1095.00000 1063.08163 2.91% - 1s 0 0 1063.08163 0 30 1095.00000 1063.08163 2.91% - 1s 0 0 1063.08163 0 38 1095.00000 1063.08163 2.91% - 1s H 0 0 1080.0000000 1063.08163 1.57% - 1s 0 0 1063.10361 0 49 1080.00000 1063.10361 1.56% - 1s H 0 0 1079.0000000 1063.10361 1.47% - 1s 0 2 1063.29412 0 49 1079.00000 1063.29412 1.46% - 1s H 16 11 1078.0000000 1063.86208 1.31% 1.0 2s H 16 10 1077.0000000 1063.86208 1.22% 1.0 3s * 237 80 32 1076.0000000 1066.70000 0.86% 11.7 3s Cutting planes: Gomory: 7 Zero half: 2 Mod-K: 1 Explored 1280 nodes (11574 simplex iterations) in 4.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 8), (8, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 653 rows, 528 columns and 63548 nonzeros Presolve time: 0.03s Presolved: 653 rows, 528 columns, 63548 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1078.0000000 1062.00000 1.48% - 0s 0 0 1062.13197 0 44 1078.00000 1062.13197 1.47% - 0s 0 0 1062.13197 0 10 1078.00000 1062.13197 1.47% - 0s 0 0 1062.65909 0 42 1078.00000 1062.65909 1.42% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 2 1063.08333 0 14 1078.00000 1063.08333 1.38% - 0s H 83 46 1076.0000000 1064.00000 1.12% 8.0 1s Cutting planes: Gomory: 4 Zero half: 1 Explored 1445 nodes (13068 simplex iterations) in 3.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 10), (7, 11), (9, 33), (9, 10), (11, 19), (12, 33), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 654 rows, 528 columns and 63738 nonzeros Presolve time: 0.03s Presolved: 654 rows, 528 columns, 63738 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.06923 0 48 - 1062.06923 - - 0s 0 0 1062.21327 0 49 - 1062.21327 - - 0s 0 0 1062.21327 0 49 - 1062.21327 - - 0s 0 0 1062.21327 0 52 - 1062.21327 - - 0s 0 0 1062.58583 0 59 - 1062.58583 - - 0s 0 0 1062.62899 0 58 - 1062.62899 - - 0s 0 0 1062.62899 0 61 - 1062.62899 - - 0s 0 0 1062.88235 0 54 - 1062.88235 - - 0s 0 0 1062.92128 0 56 - 1062.92128 - - 0s 0 0 1062.92128 0 60 - 1062.92128 - - 0s 0 0 1062.99363 0 57 - 1062.99363 - - 0s H 0 0 1228.0000000 1062.99363 13.4% - 0s H 0 0 1086.0000000 1062.99363 2.12% - 0s H 0 0 1079.0000000 1062.99363 1.48% - 0s 0 0 1062.99363 0 56 1079.00000 1062.99363 1.48% - 0s 0 0 1062.99363 0 12 1079.00000 1062.99363 1.48% - 0s 0 0 1062.99363 0 44 1079.00000 1062.99363 1.48% - 0s 0 0 1062.99662 0 55 1079.00000 1062.99662 1.48% - 0s 0 0 1062.99662 0 57 1079.00000 1062.99662 1.48% - 0s 0 0 1062.99662 0 58 1079.00000 1062.99662 1.48% - 0s 0 0 1062.99662 0 58 1079.00000 1062.99662 1.48% - 0s 0 0 1062.99662 0 58 1079.00000 1062.99662 1.48% - 0s 0 0 1062.99662 0 58 1079.00000 1062.99662 1.48% - 1s H 0 0 1078.0000000 1062.99662 1.39% - 1s 0 2 1063.00000 0 58 1078.00000 1063.00000 1.39% - 1s H 27 16 1076.0000000 1063.58763 1.15% 7.8 1s Cutting planes: Gomory: 1 Zero half: 7 Explored 2520 nodes (19780 simplex iterations) in 4.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (12, 33), (12, 13), (15, 16), (16, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 655 rows, 528 columns and 63843 nonzeros Presolve time: 0.03s Presolved: 655 rows, 528 columns, 63843 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.31508 0 45 - 1062.31508 - - 0s 0 0 1062.68590 0 47 - 1062.68590 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s H 0 0 1087.0000000 1063.00000 2.21% - 0s H 0 0 1083.0000000 1063.00000 1.85% - 0s 0 0 1063.00000 0 10 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 43 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 12 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 15 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 17 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 19 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 21 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 21 1083.00000 1063.00000 1.85% - 0s 0 2 1063.07873 0 21 1083.00000 1063.07873 1.84% - 1s H 32 23 1079.0000000 1063.55807 1.43% 9.7 1s H 127 68 1076.0000000 1064.70588 1.05% 8.1 1s Cutting planes: Gomory: 3 Zero half: 2 Explored 2023 nodes (18176 simplex iterations) in 4.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 28), (28, 29)] Optimize a model with 656 rows, 528 columns and 63934 nonzeros Presolve time: 0.03s Presolved: 656 rows, 528 columns, 63934 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1087.0000000 1062.00000 2.30% - 0s 0 0 1062.07459 0 46 1087.00000 1062.07459 2.29% - 0s 0 0 1062.07459 0 12 1087.00000 1062.07459 2.29% - 0s 0 0 1062.59233 0 45 1087.00000 1062.59233 2.25% - 0s H 0 0 1082.0000000 1062.59233 1.79% - 0s 0 0 1063.00000 0 14 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 25 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 12 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 14 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 15 1082.00000 1063.00000 1.76% - 0s 0 0 1063.06119 0 46 1082.00000 1063.06119 1.75% - 0s 0 0 1063.06119 0 52 1082.00000 1063.06119 1.75% - 0s 0 0 1063.06119 0 50 1082.00000 1063.06119 1.75% - 0s H 0 0 1076.0000000 1063.06119 1.20% - 0s 0 0 1063.06119 0 53 1076.00000 1063.06119 1.20% - 0s 0 2 1063.33020 0 53 1076.00000 1063.33020 1.18% - 0s Cutting planes: Gomory: 7 Zero half: 4 Mod-K: 2 Explored 1281 nodes (10342 simplex iterations) in 4.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (12, 13), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 28), (28, 29)] Optimize a model with 657 rows, 528 columns and 64025 nonzeros Presolve time: 0.03s Presolved: 657 rows, 528 columns, 64025 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.58870 0 43 1077.00000 1062.58870 1.34% - 0s 0 0 1062.58870 0 10 1077.00000 1062.58870 1.34% - 0s 0 0 1062.60278 0 46 1077.00000 1062.60278 1.34% - 0s 0 0 1063.00707 0 22 1077.00000 1063.00707 1.30% - 0s 0 0 1063.23927 0 32 1077.00000 1063.23927 1.28% - 0s 0 0 1063.25066 0 50 1077.00000 1063.25066 1.28% - 0s 0 0 1063.25066 0 51 1077.00000 1063.25066 1.28% - 0s 0 0 1063.25066 0 51 1077.00000 1063.25066 1.28% - 0s 0 0 1063.25066 0 51 1077.00000 1063.25066 1.28% - 0s 0 0 1063.25066 0 54 1077.00000 1063.25066 1.28% - 0s 0 0 1063.25066 0 50 1077.00000 1063.25066 1.28% - 0s 0 2 1063.26099 0 50 1077.00000 1063.26099 1.28% - 0s * 126 55 11 1076.0000000 1064.43672 1.07% 6.7 1s Cutting planes: Gomory: 3 Zero half: 1 Explored 1381 nodes (11169 simplex iterations) in 3.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 9), (8, 33), (9, 10), (10, 11), (11, 19), (12, 33), (13, 14), (14, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 658 rows, 528 columns and 64196 nonzeros Presolve time: 0.03s Presolved: 658 rows, 528 columns, 64196 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 105 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.41667 0 43 - 1062.41667 - - 0s 0 0 1062.50909 0 50 - 1062.50909 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 19 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1248.0000000 1063.00000 14.8% - 0s H 0 0 1099.0000000 1063.00000 3.28% - 0s 0 0 1063.00000 0 18 1099.00000 1063.00000 3.28% - 0s 0 0 1063.00000 0 18 1099.00000 1063.00000 3.28% - 0s H 0 0 1086.0000000 1063.00000 2.12% - 0s H 0 0 1083.0000000 1063.00000 1.85% - 0s 0 2 1063.05923 0 18 1083.00000 1063.05923 1.84% - 0s H 99 47 1078.0000000 1064.00000 1.30% 6.7 1s * 177 81 15 1076.0000000 1064.68675 1.05% 7.4 1s Cutting planes: Gomory: 5 Zero half: 6 Explored 963 nodes (8512 simplex iterations) in 2.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 15), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 659 rows, 528 columns and 64262 nonzeros Presolve time: 0.03s Presolved: 659 rows, 528 columns, 64262 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 14 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 16 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 2 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s H 55 29 1078.0000000 1063.51515 1.34% 9.4 1s H 82 46 1076.0000000 1063.61818 1.15% 9.0 1s Cutting planes: Gomory: 1 Zero half: 5 Explored 1180 nodes (10013 simplex iterations) in 2.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 8), (7, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 660 rows, 528 columns and 64353 nonzeros Presolve time: 0.03s Presolved: 660 rows, 528 columns, 64353 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.85917 0 47 - 1062.85917 - - 0s 0 0 1062.91989 0 47 - 1062.91989 - - 0s 0 0 1062.91989 0 47 - 1062.91989 - - 0s 0 0 1062.91989 0 50 - 1062.91989 - - 0s 0 0 1062.95367 0 46 - 1062.95367 - - 0s 0 0 1062.95367 0 50 - 1062.95367 - - 0s 0 0 1062.95367 0 50 - 1062.95367 - - 0s 0 0 1062.95367 0 53 - 1062.95367 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s H 0 0 1161.0000000 1063.00000 8.44% - 0s H 0 0 1093.0000000 1063.00000 2.74% - 0s 0 0 1063.00000 0 15 1093.00000 1063.00000 2.74% - 0s 0 0 1063.00000 0 19 1093.00000 1063.00000 2.74% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 15 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 47 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 20 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 25 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 1s 0 2 1063.02145 0 16 1080.00000 1063.02145 1.57% - 1s H 54 35 1078.0000000 1063.63380 1.33% 10.4 1s * 125 78 49 1077.0000000 1064.63839 1.15% 8.2 1s * 127 76 50 1076.0000000 1064.63839 1.06% 8.1 1s Cutting planes: Gomory: 1 Zero half: 3 Explored 1479 nodes (12504 simplex iterations) in 3.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 8), (6, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 661 rows, 528 columns and 64431 nonzeros Presolve time: 0.03s Presolved: 661 rows, 528 columns, 64431 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.85917 0 47 - 1062.85917 - - 0s 0 0 1062.91989 0 47 - 1062.91989 - - 0s 0 0 1062.91989 0 47 - 1062.91989 - - 0s 0 0 1062.91989 0 50 - 1062.91989 - - 0s 0 0 1062.95367 0 46 - 1062.95367 - - 0s 0 0 1062.95367 0 50 - 1062.95367 - - 0s 0 0 1062.95367 0 50 - 1062.95367 - - 0s 0 0 1062.95367 0 53 - 1062.95367 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s H 0 0 1196.0000000 1063.00000 11.1% - 0s H 0 0 1105.0000000 1063.00000 3.80% - 0s 0 0 1063.00000 0 15 1105.00000 1063.00000 3.80% - 0s 0 0 1063.00000 0 12 1105.00000 1063.00000 3.80% - 0s 0 0 1063.00000 0 12 1105.00000 1063.00000 3.80% - 0s 0 0 1063.00000 0 15 1105.00000 1063.00000 3.80% - 0s 0 0 1063.00000 0 10 1105.00000 1063.00000 3.80% - 0s 0 0 1063.00000 0 17 1105.00000 1063.00000 3.80% - 0s 0 0 1063.00000 0 21 1105.00000 1063.00000 3.80% - 0s 0 0 1063.00000 0 21 1105.00000 1063.00000 3.80% - 0s H 0 0 1093.0000000 1063.00000 2.74% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 1s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 46 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 23 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 24 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 25 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 25 1078.00000 1063.00000 1.39% - 1s 0 2 1063.00000 0 25 1078.00000 1063.00000 1.39% - 1s H 54 33 1077.0000000 1064.75000 1.14% 10.8 1s * 115 57 42 1076.0000000 1065.00000 1.02% 9.0 2s Cutting planes: Gomory: 2 Zero half: 13 Explored 909 nodes (8303 simplex iterations) in 2.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 10), (6, 11), (9, 33), (9, 10), (11, 19), (12, 33), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 662 rows, 528 columns and 64602 nonzeros Presolve time: 0.03s Presolved: 662 rows, 528 columns, 64602 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.85917 0 47 - 1062.85917 - - 0s 0 0 1062.91989 0 47 - 1062.91989 - - 0s 0 0 1062.91989 0 47 - 1062.91989 - - 0s 0 0 1062.91989 0 50 - 1062.91989 - - 0s 0 0 1062.95367 0 44 - 1062.95367 - - 0s 0 0 1062.95367 0 48 - 1062.95367 - - 0s 0 0 1062.95367 0 48 - 1062.95367 - - 0s 0 0 1062.95367 0 47 - 1062.95367 - - 0s H 0 0 1132.0000000 1062.95367 6.10% - 0s H 0 0 1089.0000000 1062.95367 2.39% - 0s 0 0 1062.95367 0 51 1089.00000 1062.95367 2.39% - 0s 0 0 1062.95367 0 47 1089.00000 1062.95367 2.39% - 0s H 0 0 1088.0000000 1062.95367 2.30% - 0s 0 0 1062.95367 0 51 1088.00000 1062.95367 2.30% - 0s 0 0 1062.95367 0 10 1088.00000 1062.95367 2.30% - 0s 0 0 1062.95367 0 10 1088.00000 1062.95367 2.30% - 0s 0 0 1063.00000 0 21 1088.00000 1063.00000 2.30% - 0s 0 0 1063.00000 0 27 1088.00000 1063.00000 2.30% - 0s 0 0 1063.00000 0 12 1088.00000 1063.00000 2.30% - 1s 0 0 1063.00000 0 21 1088.00000 1063.00000 2.30% - 1s 0 0 1063.00000 0 15 1088.00000 1063.00000 2.30% - 1s 0 0 1063.00000 0 24 1088.00000 1063.00000 2.30% - 1s 0 0 1063.00000 0 25 1088.00000 1063.00000 2.30% - 1s 0 0 1063.00000 0 25 1088.00000 1063.00000 2.30% - 1s H 0 0 1085.0000000 1063.00000 2.03% - 1s H 0 0 1084.0000000 1063.00000 1.94% - 1s 0 2 1063.00000 0 25 1084.00000 1063.00000 1.94% - 1s H 27 22 1081.0000000 1063.88000 1.58% 9.5 1s * 55 24 54 1078.0000000 1063.88000 1.31% 6.9 2s H 72 37 1077.0000000 1064.15000 1.19% 7.9 2s * 108 53 5 1076.0000000 1064.55556 1.06% 7.5 2s Cutting planes: Gomory: 4 Zero half: 5 Explored 1009 nodes (9139 simplex iterations) in 3.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 15), (11, 33), (11, 19), (12, 33), (12, 14), (14, 16), (15, 16), (17, 25), (17, 29), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (26, 27), (27, 28), (28, 29)] adding cut for [(9, 10), (7, 9), (7, 10)] Optimize a model with 664 rows, 528 columns and 64815 nonzeros Presolve time: 0.03s Presolved: 664 rows, 528 columns, 64815 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1092.0000000 1062.00000 2.75% - 0s 0 0 1062.00000 0 12 1092.00000 1062.00000 2.75% - 0s 0 0 1062.00000 0 16 1092.00000 1062.00000 2.75% - 0s 0 0 1062.00000 0 16 1092.00000 1062.00000 2.75% - 0s 0 0 1062.00000 0 19 1092.00000 1062.00000 2.75% - 0s 0 0 1062.03463 0 53 1092.00000 1062.03463 2.74% - 0s 0 0 1062.03463 0 56 1092.00000 1062.03463 2.74% - 0s 0 0 1062.53040 0 55 1092.00000 1062.53040 2.70% - 0s 0 0 1062.53040 0 57 1092.00000 1062.53040 2.70% - 0s 0 0 1062.53040 0 57 1092.00000 1062.53040 2.70% - 0s H 0 0 1078.0000000 1062.53040 1.44% - 0s 0 0 1062.53040 0 59 1078.00000 1062.53040 1.44% - 0s 0 0 1062.53040 0 10 1078.00000 1062.53040 1.44% - 0s 0 0 1062.84848 0 25 1078.00000 1062.84848 1.41% - 0s 0 0 1062.84848 0 29 1078.00000 1062.84848 1.41% - 0s 0 0 1062.84848 0 29 1078.00000 1062.84848 1.41% - 0s 0 0 1062.84848 0 32 1078.00000 1062.84848 1.41% - 0s 0 0 1062.87027 0 36 1078.00000 1062.87027 1.40% - 0s 0 0 1062.87027 0 40 1078.00000 1062.87027 1.40% - 0s 0 0 1062.87027 0 39 1078.00000 1062.87027 1.40% - 1s 0 0 1062.87027 0 40 1078.00000 1062.87027 1.40% - 1s 0 0 1062.87027 0 40 1078.00000 1062.87027 1.40% - 1s 0 0 1062.87027 0 43 1078.00000 1062.87027 1.40% - 1s H 0 0 1077.0000000 1062.87027 1.31% - 1s 0 2 1062.89091 0 43 1077.00000 1062.89091 1.31% - 1s * 44 26 38 1076.0000000 1063.62500 1.15% 9.4 1s Cutting planes: Gomory: 1 Zero half: 5 Explored 1787 nodes (13646 simplex iterations) in 4.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 16), (13, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (12, 33), (12, 14), (14, 15)] Optimize a model with 666 rows, 528 columns and 64938 nonzeros Presolve time: 0.03s Presolved: 666 rows, 528 columns, 64938 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1263.0000000 1063.00000 15.8% - 0s H 0 0 1117.0000000 1063.00000 4.83% - 0s 0 0 1063.00000 0 12 1117.00000 1063.00000 4.83% - 0s 0 0 1063.00000 0 15 1117.00000 1063.00000 4.83% - 0s 0 0 1063.00000 0 15 1117.00000 1063.00000 4.83% - 0s H 0 0 1101.0000000 1063.00000 3.45% - 0s 0 2 1063.00000 0 15 1101.00000 1063.00000 3.45% - 0s H 27 27 1085.0000000 1064.00000 1.94% 14.0 1s * 58 34 53 1084.0000000 1064.00000 1.85% 8.3 1s * 81 38 25 1078.0000000 1064.00000 1.30% 8.3 1s * 106 53 25 1077.0000000 1064.11429 1.20% 8.3 1s H 187 92 1076.0000000 1064.30000 1.09% 7.7 1s Cutting planes: Gomory: 2 Explored 1306 nodes (11480 simplex iterations) in 3.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 11), (6, 12), (11, 19), (12, 14), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 667 rows, 528 columns and 65058 nonzeros Presolve time: 0.03s Presolved: 667 rows, 528 columns, 65058 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.56497 0 47 - 1062.56497 - - 0s 0 0 1062.77049 0 46 - 1062.77049 - - 0s 0 0 1062.96929 0 51 - 1062.96929 - - 0s 0 0 1063.00946 0 55 - 1063.00946 - - 0s 0 0 1063.02703 0 48 - 1063.02703 - - 0s 0 0 1063.02921 0 52 - 1063.02921 - - 0s 0 0 1063.15382 0 60 - 1063.15382 - - 0s 0 0 1063.16325 0 61 - 1063.16325 - - 0s 0 0 1063.20061 0 54 - 1063.20061 - - 0s 0 0 1063.20795 0 59 - 1063.20795 - - 0s 0 0 1063.20795 0 59 - 1063.20795 - - 0s H 0 0 1106.0000000 1063.20795 3.87% - 0s H 0 0 1079.0000000 1063.20795 1.46% - 0s 0 0 1063.20795 0 10 1079.00000 1063.20795 1.46% - 0s 0 0 1063.20795 0 49 1079.00000 1063.20795 1.46% - 0s 0 0 1063.34084 0 58 1079.00000 1063.34084 1.45% - 0s 0 0 1063.34084 0 58 1079.00000 1063.34084 1.45% - 0s 0 0 1063.34084 0 59 1079.00000 1063.34084 1.45% - 0s 0 0 1063.34084 0 59 1079.00000 1063.34084 1.45% - 1s 0 0 1063.34084 0 59 1079.00000 1063.34084 1.45% - 1s 0 0 1063.34084 0 59 1079.00000 1063.34084 1.45% - 1s 0 2 1063.36364 0 58 1079.00000 1063.36364 1.45% - 1s * 119 49 47 1077.0000000 1064.97315 1.12% 5.9 1s * 189 72 13 1076.0000000 1065.63636 0.96% 6.4 1s Cutting planes: Gomory: 3 Zero half: 4 Mod-K: 1 Explored 1675 nodes (13029 simplex iterations) in 4.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 11), (7, 12), (11, 19), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 8), (8, 10), (9, 33), (9, 10), (14, 33), (15, 32)] Optimize a model with 669 rows, 528 columns and 65185 nonzeros Presolve time: 0.03s Presolved: 669 rows, 528 columns, 65185 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.56497 0 47 - 1062.56497 - - 0s 0 0 1062.77049 0 46 - 1062.77049 - - 0s 0 0 1062.96929 0 51 - 1062.96929 - - 0s 0 0 1063.00946 0 55 - 1063.00946 - - 0s 0 0 1063.02703 0 49 - 1063.02703 - - 0s 0 0 1063.02921 0 53 - 1063.02921 - - 0s 0 0 1063.15382 0 59 - 1063.15382 - - 0s 0 0 1063.16325 0 60 - 1063.16325 - - 0s 0 0 1063.16348 0 62 - 1063.16348 - - 0s 0 0 1063.16348 0 61 - 1063.16348 - - 0s 0 0 1063.17174 0 60 - 1063.17174 - - 0s 0 0 1063.17720 0 61 - 1063.17720 - - 0s 0 0 1063.17720 0 61 - 1063.17720 - - 0s H 0 0 1093.0000000 1063.17720 2.73% - 0s H 0 0 1078.0000000 1063.17720 1.38% - 0s 0 0 1063.17720 0 10 1078.00000 1063.17720 1.38% - 1s 0 0 1063.17720 0 46 1078.00000 1063.17720 1.38% - 1s 0 0 1063.17720 0 57 1078.00000 1063.17720 1.38% - 1s 0 0 1063.19158 0 59 1078.00000 1063.19158 1.37% - 1s 0 0 1063.19308 0 58 1078.00000 1063.19308 1.37% - 1s 0 2 1063.19407 0 58 1078.00000 1063.19407 1.37% - 1s * 44 27 42 1077.0000000 1064.06452 1.20% 9.4 1s H 81 50 1076.0000000 1064.88889 1.03% 8.9 1s Cutting planes: Gomory: 5 Zero half: 6 Mod-K: 1 Explored 889 nodes (8248 simplex iterations) in 2.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 12), (10, 11), (11, 19), (12, 13), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 670 rows, 528 columns and 65276 nonzeros Presolve time: 0.03s Presolved: 670 rows, 528 columns, 65276 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.25000 0 13 1079.00000 1062.25000 1.55% - 0s 0 0 1062.25000 0 12 1079.00000 1062.25000 1.55% - 0s 0 0 1062.58582 0 47 1079.00000 1062.58582 1.52% - 0s H 0 0 1078.0000000 1062.58582 1.43% - 0s 0 0 1062.58582 0 51 1078.00000 1062.58582 1.43% - 0s 0 0 1062.86182 0 30 1078.00000 1062.86182 1.40% - 0s 0 0 1063.19355 0 45 1078.00000 1063.19355 1.37% - 0s 0 0 1063.22111 0 35 1078.00000 1063.22111 1.37% - 0s 0 0 1063.25068 0 50 1078.00000 1063.25068 1.37% - 0s 0 0 1063.30195 0 54 1078.00000 1063.30195 1.36% - 0s 0 0 1063.30195 0 58 1078.00000 1063.30195 1.36% - 0s 0 0 1063.32656 0 53 1078.00000 1063.32656 1.36% - 0s 0 0 1063.33020 0 56 1078.00000 1063.33020 1.36% - 0s 0 0 1063.33199 0 56 1078.00000 1063.33199 1.36% - 0s 0 0 1063.33704 0 51 1078.00000 1063.33704 1.36% - 0s 0 0 1063.33704 0 58 1078.00000 1063.33704 1.36% - 0s 0 0 1063.34670 0 56 1078.00000 1063.34670 1.36% - 0s 0 0 1063.34816 0 59 1078.00000 1063.34816 1.36% - 0s 0 0 1063.34816 0 60 1078.00000 1063.34816 1.36% - 0s H 0 0 1077.0000000 1063.34816 1.27% - 0s 0 0 1063.34816 0 60 1077.00000 1063.34816 1.27% - 1s 0 2 1063.34854 0 60 1077.00000 1063.34854 1.27% - 1s * 169 75 9 1076.0000000 1066.22727 0.91% 8.0 1s Cutting planes: Gomory: 4 Zero half: 18 Explored 931 nodes (7738 simplex iterations) in 2.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 19), (12, 33), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 671 rows, 528 columns and 65367 nonzeros Presolve time: 0.03s Presolved: 671 rows, 528 columns, 65367 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s H 0 0 1104.0000000 1062.00000 3.80% - 0s H 0 0 1101.0000000 1062.00000 3.54% - 0s 0 2 1062.30000 0 19 1101.00000 1062.30000 3.51% - 0s H 27 27 1097.0000000 1063.50000 3.05% 10.6 0s H 54 43 1092.0000000 1063.50000 2.61% 7.4 0s H 55 42 1086.0000000 1063.50000 2.07% 7.2 0s * 93 61 28 1082.0000000 1063.50000 1.71% 7.3 1s * 178 121 32 1081.0000000 1064.22222 1.55% 7.2 1s * 335 205 9 1079.0000000 1065.21429 1.28% 7.3 1s * 338 162 11 1076.0000000 1065.21429 1.00% 7.3 1s Cutting planes: Gomory: 1 Zero half: 1 Explored 1433 nodes (12646 simplex iterations) in 3.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(13, 19), (15, 32), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 672 rows, 528 columns and 65422 nonzeros Presolve time: 0.03s Presolved: 672 rows, 528 columns, 65422 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.50000 0 14 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 12 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 18 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 14 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 16 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 16 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 10 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 16 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 16 1076.00000 1062.50000 1.25% - 0s 0 0 1062.50000 0 16 1076.00000 1062.50000 1.25% - 0s 0 2 1062.75000 0 16 1076.00000 1062.75000 1.23% - 0s Cutting planes: Gomory: 1 Zero half: 4 Explored 934 nodes (8408 simplex iterations) in 2.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 14), (12, 19), (15, 32), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 673 rows, 528 columns and 65500 nonzeros Presolve time: 0.03s Presolved: 673 rows, 528 columns, 65500 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.56497 0 47 - 1062.56497 - - 0s 0 0 1062.77049 0 46 - 1062.77049 - - 0s 0 0 1062.96929 0 51 - 1062.96929 - - 0s 0 0 1063.00946 0 55 - 1063.00946 - - 0s 0 0 1063.02619 0 49 - 1063.02619 - - 0s 0 0 1063.02921 0 53 - 1063.02921 - - 0s 0 0 1063.14970 0 53 - 1063.14970 - - 0s 0 0 1063.15794 0 56 - 1063.15794 - - 0s 0 0 1063.15794 0 56 - 1063.15794 - - 0s 0 0 1063.15794 0 59 - 1063.15794 - - 0s 0 0 1063.19611 0 52 - 1063.19611 - - 0s 0 0 1063.20000 0 55 - 1063.20000 - - 0s 0 0 1063.20000 0 58 - 1063.20000 - - 0s 0 0 1063.20117 0 57 - 1063.20117 - - 0s H 0 0 1312.0000000 1063.20117 19.0% - 0s H 0 0 1082.0000000 1063.20117 1.74% - 0s 0 0 1063.20395 0 59 1082.00000 1063.20395 1.74% - 0s 0 0 1063.20395 0 12 1082.00000 1063.20395 1.74% - 0s 0 0 1063.20395 0 59 1082.00000 1063.20395 1.74% - 0s H 0 0 1080.0000000 1063.20395 1.56% - 0s 0 0 1063.20513 0 60 1080.00000 1063.20513 1.56% - 0s 0 0 1063.20792 0 59 1080.00000 1063.20792 1.55% - 0s 0 0 1063.20792 0 62 1080.00000 1063.20792 1.55% - 0s 0 0 1063.21856 0 58 1080.00000 1063.21856 1.55% - 0s 0 0 1063.21856 0 59 1080.00000 1063.21856 1.55% - 1s 0 0 1063.22821 0 62 1080.00000 1063.22821 1.55% - 1s 0 0 1063.23411 0 61 1080.00000 1063.23411 1.55% - 1s 0 0 1063.24089 0 62 1080.00000 1063.24089 1.55% - 1s H 0 0 1079.0000000 1063.24089 1.46% - 1s H 0 0 1077.0000000 1063.24089 1.28% - 1s 0 2 1063.26954 0 62 1077.00000 1063.26954 1.27% - 1s * 81 36 37 1076.0000000 1065.30612 0.99% 8.8 1s Cutting planes: Gomory: 4 Zero half: 12 Mod-K: 1 Explored 852 nodes (7542 simplex iterations) in 2.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 8), (7, 12), (8, 33), (12, 14), (17, 28), (17, 29), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 674 rows, 528 columns and 65690 nonzeros Presolve time: 0.03s Presolved: 674 rows, 528 columns, 65690 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33708 0 44 - 1062.33708 - - 0s 0 0 1062.50000 0 18 - 1062.50000 - - 0s 0 0 1062.69267 0 47 - 1062.69267 - - 0s 0 0 1062.96409 0 53 - 1062.96409 - - 0s 0 0 1062.96409 0 53 - 1062.96409 - - 0s 0 0 1062.97141 0 53 - 1062.97141 - - 0s 0 0 1062.97141 0 56 - 1062.97141 - - 0s 0 0 1063.04439 0 51 - 1063.04439 - - 0s 0 0 1063.05657 0 51 - 1063.05657 - - 0s 0 0 1063.08746 0 53 - 1063.08746 - - 0s 0 0 1063.12231 0 55 - 1063.12231 - - 0s 0 0 1063.12231 0 55 - 1063.12231 - - 0s 0 0 1063.12231 0 57 - 1063.12231 - - 0s H 0 0 1160.0000000 1063.12231 8.35% - 0s H 0 0 1100.0000000 1063.12231 3.35% - 0s H 0 0 1084.0000000 1063.12231 1.93% - 0s 0 0 1063.12231 0 52 1084.00000 1063.12231 1.93% - 0s 0 0 1063.12231 0 10 1084.00000 1063.12231 1.93% - 0s 0 0 1063.12231 0 54 1084.00000 1063.12231 1.93% - 0s 0 0 1063.12231 0 53 1084.00000 1063.12231 1.93% - 0s 0 0 1063.13627 0 56 1084.00000 1063.13627 1.92% - 0s 0 0 1063.15287 0 62 1084.00000 1063.15287 1.92% - 0s 0 0 1063.21369 0 57 1084.00000 1063.21369 1.92% - 0s 0 0 1063.22744 0 56 1084.00000 1063.22744 1.92% - 0s 0 0 1063.23329 0 56 1084.00000 1063.23329 1.92% - 1s 0 0 1063.23329 0 56 1084.00000 1063.23329 1.92% - 1s H 0 0 1078.0000000 1063.23329 1.37% - 1s 0 2 1063.30793 0 56 1078.00000 1063.30793 1.36% - 1s * 105 43 24 1076.0000000 1064.00000 1.12% 6.3 1s Cutting planes: Gomory: 4 Zero half: 5 Explored 1568 nodes (13434 simplex iterations) in 4.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (12, 13), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (14, 16), (15, 32), (16, 27), (17, 28), (17, 29), (27, 28), (29, 30)] Optimize a model with 676 rows, 528 columns and 65855 nonzeros Presolve time: 0.03s Presolved: 676 rows, 528 columns, 65855 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.25000 0 13 - 1062.25000 - - 0s 0 0 1062.39963 0 51 - 1062.39963 - - 0s 0 0 1062.77011 0 47 - 1062.77011 - - 0s 0 0 1062.83842 0 45 - 1062.83842 - - 0s 0 0 1062.87461 0 47 - 1062.87461 - - 0s 0 0 1062.90644 0 52 - 1062.90644 - - 0s 0 0 1062.90644 0 55 - 1062.90644 - - 0s 0 0 1062.95066 0 49 - 1062.95066 - - 0s 0 0 1062.95552 0 53 - 1062.95552 - - 0s 0 0 1062.95552 0 53 - 1062.95552 - - 0s 0 0 1062.95552 0 56 - 1062.95552 - - 0s 0 0 1063.02662 0 49 - 1063.02662 - - 0s 0 0 1063.02662 0 53 - 1063.02662 - - 0s 0 0 1063.02662 0 53 - 1063.02662 - - 0s H 0 0 1099.0000000 1063.02662 3.27% - 0s H 0 0 1078.0000000 1063.02662 1.39% - 0s 0 0 1063.02662 0 53 1078.00000 1063.02662 1.39% - 0s 0 0 1063.02662 0 10 1078.00000 1063.02662 1.39% - 0s 0 0 1063.02662 0 56 1078.00000 1063.02662 1.39% - 0s 0 0 1063.02662 0 54 1078.00000 1063.02662 1.39% - 0s 0 0 1063.02662 0 53 1078.00000 1063.02662 1.39% - 0s 0 0 1063.02662 0 56 1078.00000 1063.02662 1.39% - 0s 0 0 1063.07077 0 55 1078.00000 1063.07077 1.38% - 0s 0 0 1063.09089 0 54 1078.00000 1063.09089 1.38% - 1s 0 0 1063.09233 0 58 1078.00000 1063.09233 1.38% - 1s 0 2 1063.10058 0 58 1078.00000 1063.10058 1.38% - 1s * 97 41 18 1076.0000000 1064.82545 1.04% 7.9 1s Cutting planes: Gomory: 4 Zero half: 7 Explored 1596 nodes (14215 simplex iterations) in 4.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 12), (9, 11), (11, 19), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 677 rows, 528 columns and 65960 nonzeros Presolve time: 0.03s Presolved: 677 rows, 528 columns, 65960 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.56497 0 47 - 1062.56497 - - 0s 0 0 1062.77049 0 46 - 1062.77049 - - 0s 0 0 1062.96929 0 51 - 1062.96929 - - 0s 0 0 1063.00946 0 55 - 1063.00946 - - 0s 0 0 1063.02619 0 49 - 1063.02619 - - 0s 0 0 1063.02921 0 53 - 1063.02921 - - 0s 0 0 1063.14970 0 53 - 1063.14970 - - 0s 0 0 1063.15794 0 56 - 1063.15794 - - 0s 0 0 1063.15794 0 56 - 1063.15794 - - 0s 0 0 1063.15794 0 59 - 1063.15794 - - 0s 0 0 1063.19611 0 51 - 1063.19611 - - 0s 0 0 1063.20000 0 54 - 1063.20000 - - 0s 0 0 1063.20000 0 54 - 1063.20000 - - 0s 0 0 1063.20000 0 57 - 1063.20000 - - 0s H 0 0 1155.0000000 1063.20000 7.95% - 0s H 0 0 1092.0000000 1063.20000 2.64% - 0s 0 0 1063.20117 0 53 1092.00000 1063.20117 2.64% - 0s 0 0 1063.20395 0 59 1092.00000 1063.20395 2.64% - 0s 0 0 1063.20395 0 62 1092.00000 1063.20395 2.64% - 0s 0 0 1063.20395 0 61 1092.00000 1063.20395 2.64% - 1s H 0 0 1082.0000000 1063.20395 1.74% - 1s H 0 0 1079.0000000 1063.20395 1.46% - 1s 0 0 1063.20395 0 10 1079.00000 1063.20395 1.46% - 1s 0 0 1063.20395 0 47 1079.00000 1063.20395 1.46% - 1s 0 0 1063.24062 0 57 1079.00000 1063.24062 1.46% - 1s 0 0 1063.24464 0 58 1079.00000 1063.24464 1.46% - 1s 0 0 1063.24464 0 60 1079.00000 1063.24464 1.46% - 1s 0 0 1063.26354 0 48 1079.00000 1063.26354 1.46% - 1s 0 0 1063.27178 0 59 1079.00000 1063.27178 1.46% - 1s 0 0 1063.27178 0 57 1079.00000 1063.27178 1.46% - 1s H 0 0 1077.0000000 1063.27178 1.27% - 1s 0 2 1063.29794 0 57 1077.00000 1063.29794 1.27% - 2s * 138 56 48 1076.0000000 1064.97037 1.03% 7.7 2s Cutting planes: Gomory: 4 Zero half: 7 Mod-K: 1 Explored 996 nodes (7955 simplex iterations) in 3.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 14), (6, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 678 rows, 528 columns and 66065 nonzeros Presolve time: 0.03s Presolved: 678 rows, 528 columns, 66065 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.82353 0 41 - 1062.82353 - - 0s 0 0 1062.83929 0 48 - 1062.83929 - - 0s 0 0 1063.00000 0 46 - 1063.00000 - - 0s 0 0 1063.00000 0 49 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 23 - 1063.00000 - - 0s 0 0 1063.00000 0 23 - 1063.00000 - - 0s H 0 0 1101.0000000 1063.00000 3.45% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 29 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 32 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 43 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 8 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 44 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 45 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 32 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 27 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 30 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 46 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 46 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00000 0 37 1077.00000 1063.00000 1.30% - 1s * 62 29 56 1076.0000000 1063.60000 1.15% 6.5 1s Cutting planes: Gomory: 2 Zero half: 1 Explored 1695 nodes (16132 simplex iterations) in 4.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 16), (11, 13), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (12, 33), (12, 14), (14, 15)] Optimize a model with 680 rows, 528 columns and 66192 nonzeros Presolve time: 0.03s Presolved: 680 rows, 528 columns, 66192 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.25000 0 13 - 1062.25000 - - 0s 0 0 1062.39963 0 51 - 1062.39963 - - 0s 0 0 1062.77011 0 47 - 1062.77011 - - 0s 0 0 1062.83842 0 45 - 1062.83842 - - 0s 0 0 1062.87461 0 47 - 1062.87461 - - 0s 0 0 1062.90644 0 52 - 1062.90644 - - 0s 0 0 1062.90644 0 55 - 1062.90644 - - 0s 0 0 1062.95066 0 49 - 1062.95066 - - 0s 0 0 1062.95552 0 53 - 1062.95552 - - 0s 0 0 1062.95552 0 53 - 1062.95552 - - 0s 0 0 1062.95552 0 56 - 1062.95552 - - 0s 0 0 1063.02647 0 53 - 1063.02647 - - 0s 0 0 1063.02647 0 56 - 1063.02647 - - 0s 0 0 1063.06046 0 52 - 1063.06046 - - 0s H 0 0 1274.0000000 1063.06046 16.6% - 0s H 0 0 1095.0000000 1063.06046 2.92% - 0s H 0 0 1079.0000000 1063.06046 1.48% - 0s 0 0 1063.08486 0 54 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 10 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 61 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 56 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 57 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 60 1079.00000 1063.08486 1.47% - 0s 0 0 1063.17689 0 59 1079.00000 1063.17689 1.47% - 0s 0 0 1063.19228 0 58 1079.00000 1063.19228 1.47% - 0s 0 0 1063.19228 0 60 1079.00000 1063.19228 1.47% - 0s 0 0 1063.19228 0 59 1079.00000 1063.19228 1.47% - 1s 0 0 1063.19228 0 61 1079.00000 1063.19228 1.47% - 1s 0 0 1063.21186 0 60 1079.00000 1063.21186 1.46% - 1s 0 0 1063.21186 0 60 1079.00000 1063.21186 1.46% - 1s 0 2 1063.22802 0 60 1079.00000 1063.22802 1.46% - 1s * 36 23 35 1078.0000000 1064.59970 1.24% 7.5 1s * 51 28 15 1076.0000000 1065.08333 1.01% 8.5 1s Cutting planes: Gomory: 3 Zero half: 14 Explored 1155 nodes (9925 simplex iterations) in 3.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(8, 11), (11, 19), (15, 16), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 681 rows, 528 columns and 66258 nonzeros Presolve time: 0.03s Presolved: 681 rows, 528 columns, 66258 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.25000 0 13 - 1062.25000 - - 0s 0 0 1062.39963 0 51 - 1062.39963 - - 0s 0 0 1062.77011 0 47 - 1062.77011 - - 0s 0 0 1062.83842 0 45 - 1062.83842 - - 0s 0 0 1062.87461 0 47 - 1062.87461 - - 0s 0 0 1062.90644 0 52 - 1062.90644 - - 0s 0 0 1062.90644 0 55 - 1062.90644 - - 0s 0 0 1062.95066 0 49 - 1062.95066 - - 0s 0 0 1062.95552 0 53 - 1062.95552 - - 0s 0 0 1062.95552 0 53 - 1062.95552 - - 0s 0 0 1062.95552 0 56 - 1062.95552 - - 0s 0 0 1063.02647 0 53 - 1063.02647 - - 0s 0 0 1063.02647 0 56 - 1063.02647 - - 0s 0 0 1063.06046 0 52 - 1063.06046 - - 0s H 0 0 1115.0000000 1063.06046 4.66% - 0s H 0 0 1095.0000000 1063.06046 2.92% - 0s H 0 0 1079.0000000 1063.06046 1.48% - 0s 0 0 1063.08486 0 54 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 12 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 62 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 56 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 57 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 53 1079.00000 1063.08486 1.47% - 0s 0 0 1063.10557 0 55 1079.00000 1063.10557 1.47% - 0s 0 0 1063.10557 0 58 1079.00000 1063.10557 1.47% - 0s 0 0 1063.12429 0 58 1079.00000 1063.12429 1.47% - 0s 0 0 1063.12739 0 63 1079.00000 1063.12739 1.47% - 1s 0 0 1063.14321 0 65 1079.00000 1063.14321 1.47% - 1s 0 0 1063.14321 0 65 1079.00000 1063.14321 1.47% - 1s 0 0 1063.14321 0 64 1079.00000 1063.14321 1.47% - 1s H 0 0 1078.0000000 1063.14321 1.38% - 1s 0 2 1063.14554 0 64 1078.00000 1063.14554 1.38% - 1s H 27 23 1077.0000000 1064.82550 1.13% 8.6 1s * 168 80 28 1076.0000000 1066.05479 0.92% 6.5 2s 1833 165 1072.21429 30 52 1076.00000 1071.92857 0.38% 8.0 5s Cutting planes: Gomory: 5 Zero half: 6 Explored 2196 nodes (17629 simplex iterations) in 5.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 13), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 8), (7, 8), (7, 10), (10, 33), (12, 33), (12, 14), (15, 32)] Optimize a model with 683 rows, 528 columns and 66381 nonzeros Presolve time: 0.03s Presolved: 683 rows, 528 columns, 66381 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.50000 0 10 1085.00000 1062.50000 2.07% - 0s 0 0 1062.50000 0 10 1085.00000 1062.50000 2.07% - 0s H 0 0 1080.0000000 1062.50000 1.62% - 0s 0 0 1062.50000 0 10 1080.00000 1062.50000 1.62% - 0s 0 0 1063.00000 0 19 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 14 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 14 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 14 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 8 1079.00000 1063.00000 1.48% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 1s 0 2 1063.00000 0 8 1077.00000 1063.00000 1.30% - 1s * 110 60 11 1076.0000000 1064.51220 1.07% 8.4 1s Cutting planes: Gomory: 2 Explored 1222 nodes (11608 simplex iterations) in 3.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 13), (11, 19), (15, 32), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 684 rows, 528 columns and 66447 nonzeros Presolve time: 0.03s Presolved: 684 rows, 528 columns, 66447 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.25000 0 13 - 1062.25000 - - 0s 0 0 1062.39963 0 51 - 1062.39963 - - 0s 0 0 1062.77011 0 47 - 1062.77011 - - 0s 0 0 1062.83842 0 45 - 1062.83842 - - 0s 0 0 1062.87461 0 47 - 1062.87461 - - 0s 0 0 1062.90644 0 52 - 1062.90644 - - 0s 0 0 1062.90644 0 55 - 1062.90644 - - 0s 0 0 1062.95066 0 49 - 1062.95066 - - 0s 0 0 1062.95552 0 53 - 1062.95552 - - 0s 0 0 1062.95552 0 53 - 1062.95552 - - 0s 0 0 1062.95552 0 56 - 1062.95552 - - 0s 0 0 1063.02647 0 53 - 1063.02647 - - 0s 0 0 1063.02647 0 56 - 1063.02647 - - 0s 0 0 1063.06046 0 52 - 1063.06046 - - 0s H 0 0 1153.0000000 1063.06046 7.80% - 0s H 0 0 1095.0000000 1063.06046 2.92% - 0s H 0 0 1079.0000000 1063.06046 1.48% - 0s 0 0 1063.08486 0 54 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 12 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 62 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 56 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 57 1079.00000 1063.08486 1.47% - 0s 0 0 1063.08486 0 53 1079.00000 1063.08486 1.47% - 0s 0 0 1063.10557 0 55 1079.00000 1063.10557 1.47% - 0s 0 0 1063.10557 0 58 1079.00000 1063.10557 1.47% - 0s 0 0 1063.12429 0 58 1079.00000 1063.12429 1.47% - 0s 0 0 1063.12739 0 63 1079.00000 1063.12739 1.47% - 1s 0 0 1063.14321 0 65 1079.00000 1063.14321 1.47% - 1s 0 0 1063.14321 0 65 1079.00000 1063.14321 1.47% - 1s 0 0 1063.14321 0 64 1079.00000 1063.14321 1.47% - 1s H 0 0 1078.0000000 1063.14321 1.38% - 1s 0 2 1063.14554 0 64 1078.00000 1063.14554 1.38% - 1s H 27 23 1077.0000000 1064.82550 1.13% 8.9 1s * 169 83 30 1076.0000000 1066.00000 0.93% 7.1 2s 1841 132 1072.70000 39 21 1076.00000 1072.70000 0.31% 7.8 5s Cutting planes: Gomory: 5 Zero half: 6 Explored 2054 nodes (16290 simplex iterations) in 5.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 9), (6, 13), (9, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (7, 8), (7, 10), (10, 33), (12, 33), (12, 14), (15, 32)] Optimize a model with 686 rows, 528 columns and 66574 nonzeros Presolve time: 0.03s Presolved: 686 rows, 528 columns, 66574 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.95238 0 45 - 1062.95238 - - 0s 0 0 1062.95238 0 49 - 1062.95238 - - 0s 0 0 1062.95238 0 48 - 1062.95238 - - 0s 0 0 1062.95238 0 51 - 1062.95238 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s H 0 0 1242.0000000 1063.00000 14.4% - 0s H 0 0 1103.0000000 1063.00000 3.63% - 0s 0 0 1063.00000 0 14 1103.00000 1063.00000 3.63% - 0s 0 0 1063.00000 0 17 1103.00000 1063.00000 3.63% - 0s 0 0 1063.00000 0 17 1103.00000 1063.00000 3.63% - 0s H 0 0 1088.0000000 1063.00000 2.30% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 33 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 12 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 15 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 1s 0 2 1063.00000 0 21 1078.00000 1063.00000 1.39% - 1s * 95 50 37 1076.0000000 1064.00000 1.12% 8.3 1s Cutting planes: Gomory: 2 Zero half: 5 Explored 1368 nodes (12839 simplex iterations) in 4.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(10, 13), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (6, 8), (7, 9), (9, 11), (11, 33), (12, 33), (12, 14)] Optimize a model with 688 rows, 528 columns and 66697 nonzeros Presolve time: 0.03s Presolved: 688 rows, 528 columns, 66697 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.92860 0 50 - 1062.92860 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1151.0000000 1063.00000 7.65% - 0s H 0 0 1091.0000000 1063.00000 2.57% - 0s 0 0 1063.00000 0 14 1091.00000 1063.00000 2.57% - 0s 0 0 1063.00000 0 14 1091.00000 1063.00000 2.57% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.07854 0 41 1077.00000 1063.07854 1.29% - 0s 0 0 1063.07854 0 48 1077.00000 1063.07854 1.29% - 0s 0 0 1063.07854 0 47 1077.00000 1063.07854 1.29% - 0s 0 0 1063.07854 0 51 1077.00000 1063.07854 1.29% - 0s 0 0 1063.07854 0 50 1077.00000 1063.07854 1.29% - 0s 0 0 1063.07854 0 53 1077.00000 1063.07854 1.29% - 0s 0 0 1063.11667 0 41 1077.00000 1063.11667 1.29% - 1s 0 0 1063.11675 0 51 1077.00000 1063.11675 1.29% - 1s 0 0 1063.12086 0 47 1077.00000 1063.12086 1.29% - 1s 0 0 1063.12086 0 53 1077.00000 1063.12086 1.29% - 1s 0 0 1063.12294 0 55 1077.00000 1063.12294 1.29% - 1s 0 0 1063.13628 0 56 1077.00000 1063.13628 1.29% - 1s 0 0 1063.17403 0 57 1077.00000 1063.17403 1.28% - 1s 0 0 1063.17721 0 57 1077.00000 1063.17721 1.28% - 1s 0 0 1063.17721 0 57 1077.00000 1063.17721 1.28% - 1s 0 2 1063.19495 0 57 1077.00000 1063.19495 1.28% - 1s * 302 113 9 1076.0000000 1066.50000 0.88% 8.5 2s Cutting planes: Gomory: 3 Zero half: 5 Mod-K: 2 Explored 2158 nodes (16832 simplex iterations) in 4.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 9), (9, 10), (10, 11), (11, 19), (12, 33), (12, 14), (17, 28), (17, 29), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 28), (29, 30)] Optimize a model with 689 rows, 528 columns and 66907 nonzeros Presolve time: 0.03s Presolved: 689 rows, 528 columns, 66907 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.00000 0 12 1084.00000 1062.00000 2.03% - 0s 0 0 1062.00000 0 12 1084.00000 1062.00000 2.03% - 0s 0 0 1062.00000 0 23 1084.00000 1062.00000 2.03% - 0s 0 0 1062.43333 0 18 1084.00000 1062.43333 1.99% - 0s 0 0 1062.43333 0 22 1084.00000 1062.43333 1.99% - 0s 0 0 1062.44167 0 24 1084.00000 1062.44167 1.99% - 0s 0 0 1062.44167 0 21 1084.00000 1062.44167 1.99% - 0s 0 0 1062.45981 0 60 1084.00000 1062.45981 1.99% - 0s 0 0 1062.74632 0 49 1084.00000 1062.74632 1.96% - 0s 0 0 1062.74632 0 53 1084.00000 1062.74632 1.96% - 0s 0 0 1062.75381 0 55 1084.00000 1062.75381 1.96% - 0s 0 0 1062.75381 0 56 1084.00000 1062.75381 1.96% - 0s 0 0 1062.92340 0 61 1084.00000 1062.92340 1.94% - 0s 0 0 1062.96463 0 62 1084.00000 1062.96463 1.94% - 0s 0 0 1063.04599 0 60 1084.00000 1063.04599 1.93% - 0s 0 0 1063.06465 0 60 1084.00000 1063.06465 1.93% - 0s 0 0 1063.06633 0 63 1084.00000 1063.06633 1.93% - 0s 0 0 1063.08268 0 65 1084.00000 1063.08268 1.93% - 0s 0 0 1063.10453 0 65 1084.00000 1063.10453 1.93% - 0s 0 0 1063.10850 0 62 1084.00000 1063.10850 1.93% - 0s 0 0 1063.10850 0 62 1084.00000 1063.10850 1.93% - 1s H 0 0 1078.0000000 1063.10850 1.38% - 1s H 0 0 1077.0000000 1063.10850 1.29% - 1s 0 2 1063.11647 0 62 1077.00000 1063.11647 1.29% - 1s * 179 63 14 1076.0000000 1066.55052 0.88% 9.8 1s Cutting planes: Gomory: 2 Zero half: 38 Explored 766 nodes (7304 simplex iterations) in 2.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(12, 33), (12, 13), (17, 28), (17, 29), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 27), (27, 28), (29, 30)] Optimize a model with 690 rows, 528 columns and 67012 nonzeros Presolve time: 0.03s Presolved: 690 rows, 528 columns, 67012 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.96259 0 44 - 1062.96259 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s H 0 0 1101.0000000 1063.00000 3.45% - 0s 0 2 1063.00000 0 16 1101.00000 1063.00000 3.45% - 0s H 54 49 1086.0000000 1064.14286 2.01% 8.1 1s * 143 63 10 1076.0000000 1064.42857 1.08% 6.4 1s Cutting planes: Gomory: 4 Zero half: 4 Explored 1141 nodes (9495 simplex iterations) in 2.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 9), (8, 33), (9, 10), (10, 11), (11, 19), (12, 33), (14, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 691 rows, 528 columns and 67165 nonzeros Presolve time: 0.03s Presolved: 691 rows, 528 columns, 67165 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1084.0000000 1062.00000 2.03% - 0s 0 0 1062.50000 0 10 1084.00000 1062.50000 1.98% - 0s 0 0 1062.50000 0 12 1084.00000 1062.50000 1.98% - 0s 0 0 1062.50000 0 10 1084.00000 1062.50000 1.98% - 0s 0 0 1062.95504 0 46 1084.00000 1062.95504 1.94% - 0s 0 0 1063.00000 0 14 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 16 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 12 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 15 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 17 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 18 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 18 1084.00000 1063.00000 1.94% - 0s 0 2 1063.00000 0 18 1084.00000 1063.00000 1.94% - 0s H 27 23 1076.0000000 1064.00000 1.12% 10.8 1s Cutting planes: Gomory: 3 Zero half: 4 Explored 1575 nodes (15008 simplex iterations) in 3.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 16), (6, 7), (6, 13), (7, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 692 rows, 528 columns and 67285 nonzeros Presolve time: 0.03s Presolved: 692 rows, 528 columns, 67285 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 20 - 1062.00000 - - 0s 0 0 1062.00000 0 20 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s 0 0 1062.15513 0 48 - 1062.15513 - - 0s H 0 0 1217.0000000 1062.15513 12.7% - 0s H 0 0 1078.0000000 1062.15513 1.47% - 0s 0 0 1062.15513 0 53 1078.00000 1062.15513 1.47% - 0s 0 0 1062.15513 0 10 1078.00000 1062.15513 1.47% - 0s 0 0 1062.51554 0 52 1078.00000 1062.51554 1.44% - 0s 0 0 1062.51554 0 55 1078.00000 1062.51554 1.44% - 0s 0 0 1062.51554 0 52 1078.00000 1062.51554 1.44% - 0s 0 0 1062.51554 0 55 1078.00000 1062.51554 1.44% - 0s 0 0 1062.51554 0 55 1078.00000 1062.51554 1.44% - 0s 0 0 1062.51554 0 58 1078.00000 1062.51554 1.44% - 0s 0 0 1062.51554 0 58 1078.00000 1062.51554 1.44% - 1s H 0 0 1077.0000000 1062.51554 1.34% - 1s 0 2 1062.66979 0 58 1077.00000 1062.66979 1.33% - 1s * 228 100 11 1076.0000000 1066.50000 0.88% 8.8 1s Cutting planes: Gomory: 2 Zero half: 3 Explored 1436 nodes (13090 simplex iterations) in 3.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (12, 13), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 27), (27, 28), (28, 29)] Optimize a model with 693 rows, 528 columns and 67405 nonzeros Presolve time: 0.03s Presolved: 693 rows, 528 columns, 67405 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.56497 0 47 - 1062.56497 - - 0s 0 0 1062.77049 0 46 - 1062.77049 - - 0s 0 0 1062.96929 0 51 - 1062.96929 - - 0s 0 0 1063.00946 0 55 - 1063.00946 - - 0s 0 0 1063.02619 0 49 - 1063.02619 - - 0s 0 0 1063.02921 0 53 - 1063.02921 - - 0s 0 0 1063.05790 0 55 - 1063.05790 - - 0s 0 0 1063.18750 0 57 - 1063.18750 - - 0s 0 0 1063.18848 0 60 - 1063.18848 - - 0s 0 0 1063.20325 0 60 - 1063.20325 - - 0s 0 0 1063.22245 0 59 - 1063.22245 - - 0s 0 0 1063.25015 0 61 - 1063.25015 - - 0s 0 0 1063.25371 0 58 - 1063.25371 - - 0s 0 0 1063.25371 0 59 - 1063.25371 - - 0s 0 0 1063.25371 0 60 - 1063.25371 - - 0s 0 0 1063.25371 0 61 - 1063.25371 - - 0s 0 0 1063.25371 0 61 - 1063.25371 - - 0s H 0 0 1111.0000000 1063.25371 4.30% - 0s H 0 0 1110.0000000 1063.25371 4.21% - 0s H 0 0 1082.0000000 1063.25371 1.73% - 0s H 0 0 1079.0000000 1063.25371 1.46% - 0s H 0 0 1077.0000000 1063.25371 1.28% - 1s 0 0 1063.25371 0 10 1077.00000 1063.25371 1.28% - 1s 0 0 1063.25371 0 52 1077.00000 1063.25371 1.28% - 1s 0 0 1063.25371 0 47 1077.00000 1063.25371 1.28% - 1s 0 0 1063.25371 0 61 1077.00000 1063.25371 1.28% - 1s 0 0 1063.25371 0 60 1077.00000 1063.25371 1.28% - 1s 0 0 1063.26119 0 62 1077.00000 1063.26119 1.28% - 1s 0 0 1063.26119 0 64 1077.00000 1063.26119 1.28% - 1s 0 0 1063.26119 0 64 1077.00000 1063.26119 1.28% - 1s 0 2 1063.27809 0 64 1077.00000 1063.27809 1.27% - 1s * 47 21 13 1076.0000000 1064.57944 1.06% 9.4 2s Cutting planes: Gomory: 3 Zero half: 7 Explored 1521 nodes (12587 simplex iterations) in 4.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(12, 33), (15, 16), (16, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 694 rows, 528 columns and 67471 nonzeros Presolve time: 0.03s Presolved: 694 rows, 528 columns, 67471 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 10 - 1062.50000 - - 0s 0 0 1062.80062 0 43 - 1062.80062 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 22 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s H 0 0 1155.0000000 1063.00000 7.97% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 10 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 19 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 14 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 21 1078.00000 1063.00000 1.39% - 0s 0 0 1063.05844 0 50 1078.00000 1063.05844 1.39% - 0s 0 0 1063.05844 0 53 1078.00000 1063.05844 1.39% - 0s 0 0 1063.05844 0 53 1078.00000 1063.05844 1.39% - 0s 0 0 1063.05844 0 56 1078.00000 1063.05844 1.39% - 1s 0 0 1063.15571 0 53 1078.00000 1063.15571 1.38% - 1s 0 0 1063.17622 0 51 1078.00000 1063.17622 1.38% - 1s 0 0 1063.20688 0 51 1078.00000 1063.20688 1.37% - 1s 0 0 1063.20688 0 57 1078.00000 1063.20688 1.37% - 1s 0 0 1063.25200 0 49 1078.00000 1063.25200 1.37% - 1s 0 0 1063.25319 0 55 1078.00000 1063.25319 1.37% - 1s 0 0 1063.25336 0 56 1078.00000 1063.25336 1.37% - 1s 0 0 1063.25336 0 59 1078.00000 1063.25336 1.37% - 1s 0 0 1063.25336 0 59 1078.00000 1063.25336 1.37% - 1s H 0 0 1077.0000000 1063.25336 1.28% - 1s 0 2 1063.25717 0 59 1077.00000 1063.25717 1.28% - 1s * 118 58 10 1076.0000000 1065.50000 0.98% 9.2 2s 1906 114 1074.66667 23 12 1076.00000 1073.25000 0.26% 8.7 5s Cutting planes: Gomory: 4 Zero half: 8 Explored 2105 nodes (18041 simplex iterations) in 5.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 11), (8, 10), (9, 33), (9, 10), (11, 19), (12, 33), (12, 14), (14, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 695 rows, 528 columns and 67642 nonzeros Presolve time: 0.03s Presolved: 695 rows, 528 columns, 67642 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1087.0000000 1062.00000 2.30% - 0s 0 0 1062.50000 0 10 1087.00000 1062.50000 2.25% - 0s 0 0 1062.50000 0 12 1087.00000 1062.50000 2.25% - 0s 0 0 1062.50000 0 10 1087.00000 1062.50000 2.25% - 0s 0 0 1063.00000 0 14 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 8 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 10 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 14 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 17 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 14 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 12 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 14 1087.00000 1063.00000 2.21% - 0s H 0 0 1081.0000000 1063.00000 1.67% - 0s 0 0 1063.00000 0 15 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 14 1081.00000 1063.00000 1.67% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 2 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s * 116 51 18 1076.0000000 1064.87611 1.03% 8.4 1s Cutting planes: Gomory: 3 Explored 1507 nodes (13495 simplex iterations) in 3.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 14), (11, 19), (14, 16), (15, 18), (16, 27), (17, 29), (17, 30), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (27, 28), (28, 29)] Optimize a model with 696 rows, 528 columns and 67795 nonzeros Presolve time: 0.03s Presolved: 696 rows, 528 columns, 67795 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.74054 0 45 - 1062.74054 - - 0s 0 0 1063.05556 0 20 - 1063.05556 - - 0s 0 0 1063.21952 0 51 - 1063.21952 - - 0s 0 0 1063.27609 0 53 - 1063.27609 - - 0s 0 0 1063.29862 0 56 - 1063.29862 - - 0s 0 0 1063.33187 0 55 - 1063.33187 - - 0s 0 0 1063.42609 0 55 - 1063.42609 - - 0s 0 0 1063.45321 0 50 - 1063.45321 - - 0s 0 0 1063.47163 0 59 - 1063.47163 - - 0s 0 0 1063.48137 0 57 - 1063.48137 - - 0s 0 0 1063.55245 0 55 - 1063.55245 - - 0s 0 0 1063.56140 0 59 - 1063.56140 - - 0s 0 0 1063.56140 0 58 - 1063.56140 - - 0s 0 0 1063.56140 0 61 - 1063.56140 - - 0s 0 0 1063.57997 0 54 - 1063.57997 - - 0s 0 0 1063.57997 0 57 - 1063.57997 - - 0s 0 0 1063.57997 0 57 - 1063.57997 - - 0s H 0 0 1108.0000000 1063.57997 4.01% - 0s H 0 0 1098.0000000 1063.57997 3.13% - 0s H 0 0 1080.0000000 1063.57997 1.52% - 0s 0 0 1063.57997 0 10 1080.00000 1063.57997 1.52% - 1s 0 0 1063.57997 0 46 1080.00000 1063.57997 1.52% - 1s H 0 0 1079.0000000 1063.57997 1.43% - 1s 0 0 1063.57997 0 47 1079.00000 1063.57997 1.43% - 1s 0 0 1063.57997 0 57 1079.00000 1063.57997 1.43% - 1s 0 0 1063.57997 0 56 1079.00000 1063.57997 1.43% - 1s 0 0 1063.57997 0 58 1079.00000 1063.57997 1.43% - 1s 0 0 1063.57997 0 59 1079.00000 1063.57997 1.43% - 1s 0 0 1063.57997 0 59 1079.00000 1063.57997 1.43% - 1s H 0 0 1077.0000000 1063.57997 1.25% - 1s 0 2 1063.58131 0 59 1077.00000 1063.58131 1.25% - 1s * 148 65 29 1076.0000000 1065.27982 1.00% 6.0 2s Cutting planes: Gomory: 5 Zero half: 9 Explored 982 nodes (8282 simplex iterations) in 3.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 11), (11, 19), (13, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 697 rows, 528 columns and 67886 nonzeros Presolve time: 0.03s Presolved: 697 rows, 528 columns, 67886 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1081.0000000 1062.00000 1.76% - 0s 0 0 1062.24138 0 45 1081.00000 1062.24138 1.74% - 0s 0 0 1062.24138 0 10 1081.00000 1062.24138 1.74% - 0s 0 0 1062.24138 0 47 1081.00000 1062.24138 1.74% - 0s 0 0 1063.00000 0 17 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 21 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 12 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 14 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 10 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 16 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 12 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 12 1081.00000 1063.00000 1.67% - 0s 0 0 1063.00000 0 12 1081.00000 1063.00000 1.67% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 2 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s * 66 35 9 1076.0000000 1063.50000 1.16% 9.7 1s Cutting planes: Gomory: 3 Zero half: 15 Explored 1003 nodes (8909 simplex iterations) in 2.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 19), (15, 32), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 698 rows, 528 columns and 67952 nonzeros Presolve time: 0.03s Presolved: 698 rows, 528 columns, 67952 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 100 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.74054 0 45 - 1062.74054 - - 0s 0 0 1063.05556 0 20 - 1063.05556 - - 0s 0 0 1063.21952 0 51 - 1063.21952 - - 0s 0 0 1063.27609 0 53 - 1063.27609 - - 0s 0 0 1063.29862 0 56 - 1063.29862 - - 0s 0 0 1063.33187 0 55 - 1063.33187 - - 0s 0 0 1063.42609 0 55 - 1063.42609 - - 0s 0 0 1063.45321 0 50 - 1063.45321 - - 0s 0 0 1063.47163 0 59 - 1063.47163 - - 0s 0 0 1063.48137 0 57 - 1063.48137 - - 0s 0 0 1063.55245 0 56 - 1063.55245 - - 0s 0 0 1063.56140 0 60 - 1063.56140 - - 0s 0 0 1063.56140 0 59 - 1063.56140 - - 0s 0 0 1063.56140 0 62 - 1063.56140 - - 0s 0 0 1063.57997 0 54 - 1063.57997 - - 0s 0 0 1063.57997 0 58 - 1063.57997 - - 0s 0 0 1063.57997 0 55 - 1063.57997 - - 0s 0 0 1063.57997 0 59 - 1063.57997 - - 0s H 0 0 1135.0000000 1063.57997 6.29% - 0s H 0 0 1078.0000000 1063.57997 1.34% - 0s 0 0 1063.57997 0 59 1078.00000 1063.57997 1.34% - 1s 0 0 1063.57997 0 12 1078.00000 1063.57997 1.34% - 1s 0 0 1063.57997 0 42 1078.00000 1063.57997 1.34% - 1s 0 0 1063.57997 0 49 1078.00000 1063.57997 1.34% - 1s 0 0 1063.57997 0 53 1078.00000 1063.57997 1.34% - 1s 0 0 1063.57997 0 57 1078.00000 1063.57997 1.34% - 1s 0 0 1063.57997 0 57 1078.00000 1063.57997 1.34% - 1s 0 0 1063.57997 0 59 1078.00000 1063.57997 1.34% - 1s 0 0 1063.57997 0 59 1078.00000 1063.57997 1.34% - 1s 0 2 1063.58131 0 59 1078.00000 1063.58131 1.34% - 1s * 110 68 61 1077.0000000 1064.75950 1.14% 7.7 2s * 208 107 12 1076.0000000 1065.50000 0.98% 7.7 2s 1575 122 cutoff 32 1076.00000 1072.80000 0.30% 8.4 5s Cutting planes: Gomory: 5 Zero half: 7 Explored 1810 nodes (15044 simplex iterations) in 5.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 16), (6, 8), (6, 13), (7, 33), (7, 8), (12, 33), (12, 14), (15, 32), (15, 16)] Optimize a model with 700 rows, 528 columns and 68073 nonzeros Presolve time: 0.04s Presolved: 700 rows, 528 columns, 68073 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s 0 0 1062.00000 0 18 - 1062.00000 - - 0s H 0 0 1339.0000000 1062.00000 20.7% - 0s H 0 0 1096.0000000 1062.00000 3.10% - 0s H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.10390 0 41 1079.00000 1062.10390 1.57% - 0s 0 0 1062.10390 0 12 1079.00000 1062.10390 1.57% - 0s 0 0 1062.57143 0 20 1079.00000 1062.57143 1.52% - 0s 0 0 1063.00000 0 21 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 21 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 18 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 23 1079.00000 1063.00000 1.48% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 16 1078.00000 1063.00000 1.39% - 1s 0 2 1063.00000 0 10 1078.00000 1063.00000 1.39% - 1s * 72 34 17 1077.0000000 1063.98279 1.21% 9.8 1s * 105 53 28 1076.0000000 1064.18182 1.10% 9.8 1s Cutting planes: Gomory: 2 Zero half: 3 Explored 1047 nodes (9478 simplex iterations) in 2.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 10), (6, 12), (10, 19), (12, 13), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 701 rows, 528 columns and 68178 nonzeros Presolve time: 0.04s Presolved: 701 rows, 528 columns, 68178 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.00000 0 12 1077.00000 1062.00000 1.39% - 0s 0 0 1062.00000 0 12 1077.00000 1062.00000 1.39% - 0s 0 0 1062.50000 0 10 1077.00000 1062.50000 1.35% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 20 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s 0 2 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s * 186 93 14 1076.0000000 1065.50000 0.98% 8.3 1s Cutting planes: Gomory: 3 Zero half: 3 Explored 1140 nodes (10185 simplex iterations) in 2.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 12), (9, 33), (12, 13), (17, 29), (17, 30), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 702 rows, 528 columns and 68331 nonzeros Presolve time: 0.04s Presolved: 702 rows, 528 columns, 68331 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s H 0 0 1124.0000000 1062.00000 5.52% - 0s H 0 0 1117.0000000 1062.00000 4.92% - 0s H 0 0 1081.0000000 1062.00000 1.76% - 0s 0 0 1062.00000 0 10 1081.00000 1062.00000 1.76% - 0s 0 0 1062.66805 0 25 1081.00000 1062.66805 1.70% - 0s 0 0 1062.97132 0 48 1081.00000 1062.97132 1.67% - 0s 0 0 1062.97132 0 48 1081.00000 1062.97132 1.67% - 0s 0 0 1062.97132 0 51 1081.00000 1062.97132 1.67% - 0s 0 0 1063.00000 0 10 1081.00000 1063.00000 1.67% - 0s 0 0 1063.03193 0 27 1081.00000 1063.03193 1.66% - 0s 0 0 1063.03193 0 27 1081.00000 1063.03193 1.66% - 0s 0 0 1063.03193 0 31 1081.00000 1063.03193 1.66% - 0s 0 0 1063.03193 0 30 1081.00000 1063.03193 1.66% - 1s 0 0 1063.04900 0 53 1081.00000 1063.04900 1.66% - 1s H 0 0 1076.0000000 1063.04900 1.20% - 1s 0 0 1063.07283 0 42 1076.00000 1063.07283 1.20% - 1s 0 0 1063.07387 0 53 1076.00000 1063.07387 1.20% - 1s 0 0 1063.07387 0 57 1076.00000 1063.07387 1.20% - 1s 0 0 1063.14293 0 45 1076.00000 1063.14293 1.19% - 1s 0 0 1063.14293 0 49 1076.00000 1063.14293 1.19% - 1s 0 0 1063.14293 0 52 1076.00000 1063.14293 1.19% - 1s 0 0 1063.14347 0 49 1076.00000 1063.14347 1.19% - 1s 0 0 1063.14347 0 53 1076.00000 1063.14347 1.19% - 1s 0 0 1063.14347 0 53 1076.00000 1063.14347 1.19% - 1s 0 0 1063.14347 0 53 1076.00000 1063.14347 1.19% - 1s 0 2 1063.15828 0 53 1076.00000 1063.15828 1.19% - 1s Cutting planes: Gomory: 2 Zero half: 6 Explored 1873 nodes (15243 simplex iterations) in 4.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 10), (9, 10), (9, 11), (11, 12), (12, 14), (15, 32)] Optimize a model with 703 rows, 528 columns and 68386 nonzeros Presolve time: 0.04s Presolved: 703 rows, 528 columns, 68386 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s H 0 0 1233.0000000 1062.00000 13.9% - 0s H 0 0 1096.0000000 1062.00000 3.10% - 0s H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.00000 0 16 1079.00000 1062.00000 1.58% - 0s 0 0 1062.00000 0 12 1079.00000 1062.00000 1.58% - 0s 0 0 1062.57143 0 18 1079.00000 1062.57143 1.52% - 0s 0 0 1063.03030 0 35 1079.00000 1063.03030 1.48% - 0s 0 0 1063.24822 0 44 1079.00000 1063.24822 1.46% - 0s 0 0 1063.30124 0 45 1079.00000 1063.30124 1.45% - 0s 0 0 1063.37528 0 52 1079.00000 1063.37528 1.45% - 0s 0 0 1063.38445 0 47 1079.00000 1063.38445 1.45% - 0s 0 0 1063.38445 0 51 1079.00000 1063.38445 1.45% - 0s 0 0 1063.38445 0 51 1079.00000 1063.38445 1.45% - 0s 0 0 1063.38445 0 54 1079.00000 1063.38445 1.45% - 0s 0 0 1063.42492 0 47 1079.00000 1063.42492 1.44% - 0s 0 0 1063.42492 0 52 1079.00000 1063.42492 1.44% - 0s 0 0 1063.42492 0 51 1079.00000 1063.42492 1.44% - 0s 0 0 1063.42492 0 55 1079.00000 1063.42492 1.44% - 0s 0 0 1063.42492 0 55 1079.00000 1063.42492 1.44% - 1s 0 0 1063.43355 0 54 1079.00000 1063.43355 1.44% - 1s 0 0 1063.43355 0 57 1079.00000 1063.43355 1.44% - 1s 0 0 1063.44984 0 53 1079.00000 1063.44984 1.44% - 1s 0 0 1063.44988 0 53 1079.00000 1063.44988 1.44% - 1s 0 0 1063.45852 0 54 1079.00000 1063.45852 1.44% - 1s 0 0 1063.45852 0 55 1079.00000 1063.45852 1.44% - 1s 0 0 1063.45852 0 56 1079.00000 1063.45852 1.44% - 1s 0 0 1063.48344 0 56 1079.00000 1063.48344 1.44% - 1s 0 0 1063.49068 0 59 1079.00000 1063.49068 1.44% - 1s 0 0 1063.50005 0 59 1079.00000 1063.50005 1.44% - 1s H 0 0 1078.0000000 1063.50005 1.35% - 1s 0 2 1063.51549 0 59 1078.00000 1063.51549 1.34% - 1s * 49 33 12 1077.0000000 1064.80000 1.13% 10.9 2s H 146 63 1076.0000000 1065.34520 0.99% 7.1 2s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 1 Explored 1446 nodes (11789 simplex iterations) in 4.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (14, 33), (15, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 704 rows, 528 columns and 68464 nonzeros Presolve time: 0.04s Presolved: 704 rows, 528 columns, 68464 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.00000 0 12 1079.00000 1062.00000 1.58% - 0s 0 0 1062.00000 0 12 1079.00000 1062.00000 1.58% - 0s 0 0 1062.57143 0 18 1079.00000 1062.57143 1.52% - 0s 0 0 1063.03030 0 35 1079.00000 1063.03030 1.48% - 0s 0 0 1063.24822 0 44 1079.00000 1063.24822 1.46% - 0s 0 0 1063.30124 0 45 1079.00000 1063.30124 1.45% - 0s 0 0 1063.37528 0 52 1079.00000 1063.37528 1.45% - 0s 0 0 1063.38445 0 47 1079.00000 1063.38445 1.45% - 0s 0 0 1063.38445 0 51 1079.00000 1063.38445 1.45% - 0s 0 0 1063.38445 0 51 1079.00000 1063.38445 1.45% - 0s 0 0 1063.38445 0 54 1079.00000 1063.38445 1.45% - 0s 0 0 1063.42492 0 47 1079.00000 1063.42492 1.44% - 0s 0 0 1063.42492 0 52 1079.00000 1063.42492 1.44% - 0s 0 0 1063.42492 0 51 1079.00000 1063.42492 1.44% - 0s 0 0 1063.42492 0 55 1079.00000 1063.42492 1.44% - 0s 0 0 1063.42492 0 55 1079.00000 1063.42492 1.44% - 0s 0 0 1063.43355 0 54 1079.00000 1063.43355 1.44% - 0s 0 0 1063.43355 0 57 1079.00000 1063.43355 1.44% - 0s 0 0 1063.44984 0 53 1079.00000 1063.44984 1.44% - 0s 0 0 1063.45593 0 53 1079.00000 1063.45593 1.44% - 0s 0 0 1063.45764 0 53 1079.00000 1063.45764 1.44% - 0s 0 0 1063.45764 0 56 1079.00000 1063.45764 1.44% - 1s 0 0 1063.45793 0 53 1079.00000 1063.45793 1.44% - 1s 0 0 1063.45852 0 54 1079.00000 1063.45852 1.44% - 1s 0 0 1063.45852 0 54 1079.00000 1063.45852 1.44% - 1s H 0 0 1078.0000000 1063.45852 1.35% - 1s 0 2 1063.45986 0 54 1078.00000 1063.45986 1.35% - 1s * 194 87 13 1076.0000000 1065.73108 0.95% 8.1 2s Cutting planes: Gomory: 4 Zero half: 5 Explored 1218 nodes (10858 simplex iterations) in 4.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 33), (10, 11), (11, 19), (14, 33), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 705 rows, 528 columns and 68584 nonzeros Presolve time: 0.04s Presolved: 705 rows, 528 columns, 68584 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 17 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.74627 0 49 1076.00000 1062.74627 1.23% - 0s 0 0 1062.74627 0 12 1076.00000 1062.74627 1.23% - 0s 0 0 1063.00000 0 15 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 19 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 18 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 23 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 16 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 12 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 14 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 17 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 20 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 20 1076.00000 1063.00000 1.21% - 0s 0 2 1063.02857 0 20 1076.00000 1063.02857 1.21% - 0s Cutting planes: Gomory: 2 Zero half: 5 Explored 863 nodes (7360 simplex iterations) in 2.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 12), (11, 19), (12, 13), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 706 rows, 528 columns and 68675 nonzeros Presolve time: 0.04s Presolved: 706 rows, 528 columns, 68675 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.60000 0 27 - 1062.60000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s H 0 0 1173.0000000 1063.00000 9.38% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 21 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 8 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 14 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 8 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 15 1080.00000 1063.00000 1.57% - 0s 0 0 1063.00000 0 24 1080.00000 1063.00000 1.57% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00000 0 21 1077.00000 1063.00000 1.30% - 1s * 105 52 8 1076.0000000 1064.92857 1.03% 7.7 1s Cutting planes: Gomory: 3 Zero half: 1 Explored 1252 nodes (11785 simplex iterations) in 3.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 707 rows, 528 columns and 68741 nonzeros Presolve time: 0.04s Presolved: 707 rows, 528 columns, 68741 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 114 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.62500 0 28 - 1062.62500 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s H 0 0 1201.0000000 1063.00000 11.5% - 0s H 0 0 1088.0000000 1063.00000 2.30% - 0s 0 0 1063.00000 0 14 1088.00000 1063.00000 2.30% - 0s 0 0 1063.00000 0 10 1088.00000 1063.00000 2.30% - 0s 0 0 1063.00000 0 17 1088.00000 1063.00000 2.30% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 12 1080.00000 1063.00000 1.57% - 0s 0 2 1063.33803 0 12 1080.00000 1063.33803 1.54% - 0s * 41 24 27 1078.0000000 1064.52632 1.25% 25.2 2s H 48 23 1077.0000000 1064.52632 1.16% 24.5 2s H 108 46 1076.0000000 1065.32322 0.99% 17.8 2s Cutting planes: Gomory: 8 Zero half: 6 Explored 1218 nodes (10574 simplex iterations) in 3.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (15, 16), (16, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 708 rows, 528 columns and 68819 nonzeros Presolve time: 0.04s Presolved: 708 rows, 528 columns, 68819 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s H 0 0 1224.0000000 1062.00000 13.2% - 0s H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.00000 0 10 1077.00000 1062.00000 1.39% - 0s 0 0 1062.62500 0 24 1077.00000 1062.62500 1.33% - 0s 0 0 1062.62500 0 28 1077.00000 1062.62500 1.33% - 0s 0 0 1062.62500 0 28 1077.00000 1062.62500 1.33% - 0s 0 0 1062.62500 0 32 1077.00000 1062.62500 1.33% - 0s 0 0 1062.62500 0 29 1077.00000 1062.62500 1.33% - 0s 0 0 1062.62500 0 32 1077.00000 1062.62500 1.33% - 0s 0 0 1062.62500 0 32 1077.00000 1062.62500 1.33% - 0s 0 0 1062.62500 0 32 1077.00000 1062.62500 1.33% - 0s 0 2 1062.65714 0 32 1077.00000 1062.65714 1.33% - 1s * 172 86 21 1076.0000000 1066.00000 0.93% 8.7 1s Cutting planes: Gomory: 1 Zero half: 1 Explored 1122 nodes (10152 simplex iterations) in 3.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 33), (12, 13), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 709 rows, 528 columns and 68924 nonzeros Presolve time: 0.04s Presolved: 709 rows, 528 columns, 68924 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 98 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.60000 0 27 - 1062.60000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.14815 0 42 - 1063.14815 - - 0s 0 0 1063.19018 0 52 - 1063.19018 - - 0s 0 0 1063.19018 0 52 - 1063.19018 - - 0s 0 0 1063.19018 0 54 - 1063.19018 - - 0s 0 0 1063.22222 0 54 - 1063.22222 - - 0s 0 0 1063.33333 0 54 - 1063.33333 - - 0s 0 0 1063.35414 0 60 - 1063.35414 - - 0s 0 0 1063.41239 0 56 - 1063.41239 - - 0s 0 0 1063.42903 0 56 - 1063.42903 - - 0s 0 0 1063.43044 0 57 - 1063.43044 - - 0s 0 0 1063.43044 0 56 - 1063.43044 - - 0s H 0 0 1175.0000000 1063.43044 9.50% - 0s H 0 0 1078.0000000 1063.43044 1.35% - 0s 0 0 1063.43044 0 56 1078.00000 1063.43044 1.35% - 0s 0 0 1063.43044 0 10 1078.00000 1063.43044 1.35% - 1s 0 0 1063.50540 0 42 1078.00000 1063.50540 1.34% - 1s 0 0 1063.51677 0 42 1078.00000 1063.51677 1.34% - 1s 0 0 1063.51862 0 45 1078.00000 1063.51862 1.34% - 1s 0 0 1063.51862 0 48 1078.00000 1063.51862 1.34% - 1s 0 0 1063.51862 0 50 1078.00000 1063.51862 1.34% - 1s 0 0 1063.51862 0 54 1078.00000 1063.51862 1.34% - 1s 0 0 1063.51930 0 48 1078.00000 1063.51930 1.34% - 1s 0 0 1063.53987 0 52 1078.00000 1063.53987 1.34% - 1s 0 0 1063.54760 0 53 1078.00000 1063.54760 1.34% - 1s 0 0 1063.54760 0 56 1078.00000 1063.54760 1.34% - 1s 0 0 1063.54760 0 55 1078.00000 1063.54760 1.34% - 1s H 0 0 1076.0000000 1063.54760 1.16% - 1s 0 2 1063.55354 0 55 1076.00000 1063.55354 1.16% - 1s 1602 78 1074.42857 14 40 1076.00000 1072.40000 0.33% 9.0 5s Cutting planes: Gomory: 5 Zero half: 6 Explored 1762 nodes (15785 simplex iterations) in 5.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (11, 33), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (6, 13), (7, 8), (8, 12), (12, 14), (15, 32)] Optimize a model with 711 rows, 528 columns and 69051 nonzeros Presolve time: 0.04s Presolved: 711 rows, 528 columns, 69051 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 102 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1087.0000000 1062.00000 2.30% - 0s 0 0 1062.50000 0 10 1087.00000 1062.50000 2.25% - 0s 0 0 1062.50000 0 10 1087.00000 1062.50000 2.25% - 0s 0 0 1062.60976 0 33 1087.00000 1062.60976 2.24% - 0s 0 0 1063.00000 0 17 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 10 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 18 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 12 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 14 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 16 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 15 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 17 1087.00000 1063.00000 2.21% - 0s 0 0 1063.00000 0 17 1087.00000 1063.00000 2.21% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 2 1063.00000 0 17 1078.00000 1063.00000 1.39% - 0s * 156 74 16 1077.0000000 1065.40984 1.08% 8.2 1s * 177 71 19 1076.0000000 1065.60000 0.97% 8.3 1s Cutting planes: Gomory: 4 Zero half: 2 Explored 1570 nodes (14214 simplex iterations) in 4.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(8, 9), (9, 11), (11, 19), (15, 16), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 712 rows, 528 columns and 69129 nonzeros Presolve time: 0.04s Presolved: 712 rows, 528 columns, 69129 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 102 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 32 - 1062.50000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s H 0 0 1093.0000000 1063.00000 2.74% - 0s H 0 0 1085.0000000 1063.00000 2.03% - 0s 0 0 1063.00000 0 12 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 8 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 14 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 16 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 15 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 18 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 20 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 20 1085.00000 1063.00000 2.03% - 1s 0 2 1063.00000 0 20 1085.00000 1063.00000 2.03% - 1s H 27 21 1082.0000000 1063.86667 1.68% 8.7 1s H 64 25 1081.0000000 1063.86667 1.58% 5.0 1s H 64 24 1080.0000000 1063.86667 1.49% 5.0 1s * 89 43 27 1077.0000000 1065.00000 1.11% 6.0 1s * 126 56 32 1076.0000000 1065.23077 1.00% 7.6 1s Cutting planes: Gomory: 3 Zero half: 4 Explored 1018 nodes (9020 simplex iterations) in 2.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 12), (7, 10), (10, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 713 rows, 528 columns and 69282 nonzeros Presolve time: 0.04s Presolved: 713 rows, 528 columns, 69282 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 102 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.50000 0 32 - 1062.50000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s H 0 0 1093.0000000 1063.00000 2.74% - 0s H 0 0 1085.0000000 1063.00000 2.03% - 0s 0 0 1063.00000 0 12 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 8 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 14 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 16 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 15 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 16 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 17 1085.00000 1063.00000 2.03% - 0s 0 0 1063.00000 0 17 1085.00000 1063.00000 2.03% - 1s H 0 0 1077.0000000 1063.00000 1.30% - 1s H 0 0 1076.0000000 1063.00000 1.21% - 1s 0 2 1063.00000 0 17 1076.00000 1063.00000 1.21% - 1s Cutting planes: Gomory: 3 Zero half: 3 Explored 806 nodes (7490 simplex iterations) in 2.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (12, 13), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 27), (27, 28), (28, 29)] Optimize a model with 714 rows, 528 columns and 69387 nonzeros Presolve time: 0.04s Presolved: 714 rows, 528 columns, 69387 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 102 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.50000 0 10 1077.00000 1062.50000 1.35% - 0s 0 0 1062.50000 0 10 1077.00000 1062.50000 1.35% - 0s 0 0 1062.50000 0 32 1077.00000 1062.50000 1.35% - 0s 0 0 1063.00000 0 35 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 38 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 39 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 22 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 37 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 8 1077.00000 1063.00000 1.30% - 0s 0 2 1063.00000 0 8 1077.00000 1063.00000 1.30% - 1s * 56 30 12 1076.0000000 1064.33333 1.08% 8.7 1s Cutting planes: Gomory: 4 Zero half: 24 Explored 1216 nodes (9249 simplex iterations) in 2.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 27), (27, 28), (28, 29)] Optimize a model with 715 rows, 528 columns and 69465 nonzeros Presolve time: 0.04s Presolved: 715 rows, 528 columns, 69465 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s 0 0 1062.00000 0 18 - 1062.00000 - - 0s H 0 0 1123.0000000 1062.00000 5.43% - 0s H 0 0 1096.0000000 1062.00000 3.10% - 0s H 0 0 1079.0000000 1062.00000 1.58% - 0s 0 0 1062.00000 0 10 1079.00000 1062.00000 1.58% - 0s 0 0 1062.50000 0 10 1079.00000 1062.50000 1.53% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 35 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 36 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 39 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 40 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 42 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 42 1079.00000 1063.00000 1.48% - 1s H 0 0 1077.0000000 1063.00000 1.30% - 1s 0 2 1063.00000 0 24 1077.00000 1063.00000 1.30% - 1s * 434 268 13 1076.0000000 1066.00000 0.93% 6.0 2s Cutting planes: Gomory: 3 Zero half: 1 Explored 1919 nodes (14891 simplex iterations) in 4.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (13, 33), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 716 rows, 528 columns and 69543 nonzeros Presolve time: 0.04s Presolved: 716 rows, 528 columns, 69543 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 112 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 12 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.00000 0 14 1077.00000 1062.00000 1.39% - 0s 0 0 1062.00000 0 12 1077.00000 1062.00000 1.39% - 0s 0 0 1062.42105 0 19 1077.00000 1062.42105 1.35% - 0s 0 0 1062.85467 0 46 1077.00000 1062.85467 1.31% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00064 0 48 1077.00000 1063.00064 1.30% - 0s 0 0 1063.00064 0 52 1077.00000 1063.00064 1.30% - 0s 0 0 1063.00256 0 51 1077.00000 1063.00256 1.30% - 0s 0 0 1063.00256 0 54 1077.00000 1063.00256 1.30% - 0s 0 0 1063.02492 0 43 1077.00000 1063.02492 1.30% - 0s 0 0 1063.07627 0 50 1077.00000 1063.07627 1.29% - 0s 0 0 1063.10428 0 54 1077.00000 1063.10428 1.29% - 0s 0 0 1063.10596 0 51 1077.00000 1063.10596 1.29% - 0s 0 0 1063.10596 0 55 1077.00000 1063.10596 1.29% - 0s 0 0 1063.14616 0 58 1077.00000 1063.14616 1.29% - 0s 0 0 1063.15910 0 49 1077.00000 1063.15910 1.29% - 0s 0 0 1063.15947 0 55 1077.00000 1063.15947 1.29% - 0s 0 0 1063.16753 0 59 1077.00000 1063.16753 1.28% - 0s 0 0 1063.16753 0 54 1077.00000 1063.16753 1.28% - 0s 0 0 1063.16753 0 60 1077.00000 1063.16753 1.28% - 0s 0 0 1063.19048 0 62 1077.00000 1063.19048 1.28% - 0s 0 0 1063.19048 0 62 1077.00000 1063.19048 1.28% - 0s 0 0 1063.19048 0 61 1077.00000 1063.19048 1.28% - 1s 0 2 1063.19966 0 61 1077.00000 1063.19966 1.28% - 1s * 140 61 7 1076.0000000 1065.28571 1.00% 6.7 1s Cutting planes: Gomory: 5 Zero half: 13 Mod-K: 1 Explored 1044 nodes (9043 simplex iterations) in 2.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (12, 13), (17, 28), (17, 29), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 28), (29, 30)] Optimize a model with 717 rows, 528 columns and 69648 nonzeros Presolve time: 0.04s Presolved: 717 rows, 528 columns, 69648 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33333 0 13 - 1062.33333 - - 0s 0 0 1062.70370 0 42 - 1062.70370 - - 0s 0 0 1062.78195 0 46 - 1062.78195 - - 0s 0 0 1062.78195 0 49 - 1062.78195 - - 0s 0 0 1062.84483 0 50 - 1062.84483 - - 0s 0 0 1062.90000 0 50 - 1062.90000 - - 0s 0 0 1062.93694 0 56 - 1062.93694 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s H 0 0 1232.0000000 1063.00000 13.7% - 0s H 0 0 1113.0000000 1063.00000 4.49% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 20 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 23 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 23 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 24 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 18 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 20 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 20 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 20 1079.00000 1063.00000 1.48% - 1s 0 2 1063.00000 0 20 1079.00000 1063.00000 1.48% - 1s H 27 17 1078.0000000 1064.00000 1.30% 10.1 1s * 132 52 14 1076.0000000 1064.88506 1.03% 6.8 1s Cutting planes: Gomory: 2 Zero half: 3 Explored 1541 nodes (13216 simplex iterations) in 4.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 11), (9, 12), (11, 19), (12, 14), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 718 rows, 528 columns and 69753 nonzeros Presolve time: 0.04s Presolved: 718 rows, 528 columns, 69753 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.33333 0 13 1077.00000 1062.33333 1.36% - 0s 0 0 1062.33333 0 10 1077.00000 1062.33333 1.36% - 0s 0 0 1062.61258 0 41 1077.00000 1062.61258 1.34% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 2 1063.05906 0 15 1077.00000 1063.05906 1.29% - 0s * 90 32 13 1076.0000000 1064.85714 1.04% 10.7 1s Cutting planes: Gomory: 2 Zero half: 2 Explored 861 nodes (7764 simplex iterations) in 2.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 719 rows, 528 columns and 69808 nonzeros Presolve time: 0.04s Presolved: 719 rows, 528 columns, 69808 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.00000 0 14 1085.00000 1062.00000 2.12% - 0s 0 0 1062.00000 0 10 1085.00000 1062.00000 2.12% - 0s 0 0 1062.87500 0 18 1085.00000 1062.87500 2.04% - 0s H 0 0 1077.0000000 1062.87500 1.31% - 0s 0 0 1063.20070 0 45 1077.00000 1063.20070 1.28% - 0s 0 2 1063.46000 0 45 1077.00000 1063.46000 1.26% - 0s * 672 193 33 1076.0000000 1069.20000 0.63% 10.1 2s Cutting planes: Gomory: 9 Zero half: 5 Explored 1423 nodes (12885 simplex iterations) in 3.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 9), (6, 13), (9, 11), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 720 rows, 528 columns and 69886 nonzeros Presolve time: 0.04s Presolved: 720 rows, 528 columns, 69886 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.66667 0 18 - 1062.66667 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1598.0000000 1063.00000 33.5% - 0s H 0 0 1107.0000000 1063.00000 3.97% - 0s 0 0 1063.00000 0 12 1107.00000 1063.00000 3.97% - 0s 0 0 1063.00000 0 15 1107.00000 1063.00000 3.97% - 0s 0 0 1063.00000 0 15 1107.00000 1063.00000 3.97% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 2 1063.00000 0 15 1080.00000 1063.00000 1.57% - 0s * 50 31 44 1077.0000000 1064.37500 1.17% 11.0 1s * 145 61 18 1076.0000000 1065.00000 1.02% 8.2 1s Cutting planes: Gomory: 2 Zero half: 3 Explored 932 nodes (8235 simplex iterations) in 2.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (12, 33), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 721 rows, 528 columns and 69977 nonzeros Presolve time: 0.04s Presolved: 721 rows, 528 columns, 69977 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s H 0 0 1157.0000000 1062.00000 8.21% - 0s H 0 0 1156.0000000 1062.00000 8.13% - 0s H 0 0 1089.0000000 1062.00000 2.48% - 0s 0 0 1062.00000 0 10 1089.00000 1062.00000 2.48% - 0s 0 0 1062.50000 0 16 1089.00000 1062.50000 2.43% - 0s 0 0 1062.50000 0 14 1089.00000 1062.50000 2.43% - 0s 0 0 1062.50000 0 17 1089.00000 1062.50000 2.43% - 0s 0 0 1062.63934 0 47 1089.00000 1062.63934 2.42% - 0s 0 0 1062.68478 0 52 1089.00000 1062.68478 2.42% - 0s 0 0 1062.82306 0 44 1089.00000 1062.82306 2.40% - 0s 0 0 1062.88019 0 51 1089.00000 1062.88019 2.40% - 0s 0 0 1062.88019 0 55 1089.00000 1062.88019 2.40% - 0s 0 0 1062.88019 0 49 1089.00000 1062.88019 2.40% - 0s H 0 0 1079.0000000 1062.88019 1.49% - 0s 0 0 1062.88019 0 52 1079.00000 1062.88019 1.49% - 1s 0 2 1063.00000 0 52 1079.00000 1063.00000 1.48% - 1s H 17 12 1078.0000000 1063.48620 1.35% 0.3 2s * 43 21 25 1077.0000000 1064.14583 1.19% 18.6 2s * 234 86 33 1076.0000000 1067.00000 0.84% 11.2 3s Cutting planes: Gomory: 3 Zero half: 15 Explored 1034 nodes (9133 simplex iterations) in 4.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 10), (7, 14), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 722 rows, 528 columns and 70097 nonzeros Presolve time: 0.04s Presolved: 722 rows, 528 columns, 70097 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.61479 0 43 - 1062.61479 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s H 0 0 1142.0000000 1063.00000 6.92% - 0s H 0 0 1101.0000000 1063.00000 3.45% - 0s 0 0 1063.00000 0 17 1101.00000 1063.00000 3.45% - 0s 0 0 1063.00000 0 12 1101.00000 1063.00000 3.45% - 0s 0 0 1063.00000 0 19 1101.00000 1063.00000 3.45% - 0s 0 0 1063.00000 0 8 1101.00000 1063.00000 3.45% - 0s H 0 0 1088.0000000 1063.00000 2.30% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 11 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 14 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 1s H 0 0 1077.0000000 1063.00000 1.30% - 1s 0 2 1063.00000 0 12 1077.00000 1063.00000 1.30% - 1s * 67 29 30 1076.0000000 1064.70000 1.05% 10.1 1s Cutting planes: Gomory: 3 Zero half: 5 Explored 1095 nodes (9735 simplex iterations) in 2.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 10), (7, 12), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 723 rows, 528 columns and 70188 nonzeros Presolve time: 0.04s Presolved: 723 rows, 528 columns, 70188 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.68182 0 19 - 1062.68182 - - 0s 0 0 1063.03200 0 44 - 1063.03200 - - 0s 0 0 1063.03200 0 48 - 1063.03200 - - 0s 0 0 1063.03200 0 46 - 1063.03200 - - 0s 0 0 1063.03200 0 49 - 1063.03200 - - 0s 0 0 1063.05486 0 44 - 1063.05486 - - 0s 0 0 1063.06186 0 51 - 1063.06186 - - 0s 0 0 1063.09259 0 51 - 1063.09259 - - 0s 0 0 1063.22449 0 49 - 1063.22449 - - 0s 0 0 1063.22449 0 50 - 1063.22449 - - 0s 0 0 1063.22449 0 53 - 1063.22449 - - 0s H 0 0 1207.0000000 1063.22449 11.9% - 0s H 0 0 1078.0000000 1063.22449 1.37% - 0s 0 0 1063.27780 0 53 1078.00000 1063.27780 1.37% - 0s 0 0 1063.27780 0 10 1078.00000 1063.27780 1.37% - 0s 0 0 1063.27780 0 48 1078.00000 1063.27780 1.37% - 0s 0 0 1063.27780 0 50 1078.00000 1063.27780 1.37% - 0s 0 0 1063.27780 0 54 1078.00000 1063.27780 1.37% - 0s 0 0 1063.27780 0 53 1078.00000 1063.27780 1.37% - 0s H 0 0 1077.0000000 1063.27780 1.27% - 0s 0 0 1063.27780 0 56 1077.00000 1063.27780 1.27% - 0s 0 0 1063.37288 0 55 1077.00000 1063.37288 1.27% - 0s 0 0 1063.37445 0 62 1077.00000 1063.37445 1.27% - 0s 0 0 1063.37585 0 62 1077.00000 1063.37585 1.27% - 1s 0 0 1063.37585 0 62 1077.00000 1063.37585 1.27% - 1s 0 2 1063.37659 0 62 1077.00000 1063.37659 1.26% - 1s H 81 42 1076.0000000 1065.00636 1.02% 11.1 2s Cutting planes: Gomory: 2 Zero half: 14 Explored 906 nodes (8061 simplex iterations) in 2.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 11), (6, 13), (11, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (7, 8), (7, 9), (9, 10), (10, 33), (12, 33), (12, 14)] Optimize a model with 725 rows, 528 columns and 70315 nonzeros Presolve time: 0.04s Presolved: 725 rows, 528 columns, 70315 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33333 0 17 - 1062.33333 - - 0s 0 0 1063.00000 0 38 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s H 0 0 1099.0000000 1063.00000 3.28% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 8 1077.00000 1063.00000 1.30% - 0s 0 0 1063.23529 0 38 1077.00000 1063.23529 1.28% - 0s 0 0 1063.23529 0 42 1077.00000 1063.23529 1.28% - 0s 0 0 1063.23529 0 41 1077.00000 1063.23529 1.28% - 0s 0 0 1063.23529 0 44 1077.00000 1063.23529 1.28% - 0s 0 0 1063.23529 0 41 1077.00000 1063.23529 1.28% - 0s 0 0 1063.23529 0 47 1077.00000 1063.23529 1.28% - 0s 0 0 1063.28571 0 50 1077.00000 1063.28571 1.27% - 1s 0 0 1063.31288 0 57 1077.00000 1063.31288 1.27% - 1s 0 0 1063.36844 0 58 1077.00000 1063.36844 1.27% - 1s 0 0 1063.42931 0 52 1077.00000 1063.42931 1.26% - 1s 0 0 1063.42931 0 57 1077.00000 1063.42931 1.26% - 1s 0 0 1063.45238 0 55 1077.00000 1063.45238 1.26% - 1s 0 0 1063.45238 0 58 1077.00000 1063.45238 1.26% - 1s 0 0 1063.45238 0 60 1077.00000 1063.45238 1.26% - 1s 0 0 1063.47748 0 45 1077.00000 1063.47748 1.26% - 1s 0 0 1063.47857 0 51 1077.00000 1063.47857 1.26% - 1s 0 0 1063.47857 0 51 1077.00000 1063.47857 1.26% - 1s 0 0 1063.47857 0 54 1077.00000 1063.47857 1.26% - 1s 0 0 1063.49835 0 61 1077.00000 1063.49835 1.25% - 1s 0 0 1063.49835 0 62 1077.00000 1063.49835 1.25% - 1s 0 0 1063.49835 0 62 1077.00000 1063.49835 1.25% - 1s 0 2 1063.49977 0 62 1077.00000 1063.49977 1.25% - 2s * 292 139 19 1076.0000000 1066.34328 0.90% 7.8 2s 1227 151 1071.85714 23 28 1076.00000 1069.72727 0.58% 9.8 5s Cutting planes: Gomory: 3 Zero half: 10 Explored 1785 nodes (17098 simplex iterations) in 5.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 11), (11, 19), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 726 rows, 528 columns and 70381 nonzeros Presolve time: 0.04s Presolved: 726 rows, 528 columns, 70381 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33333 0 17 - 1062.33333 - - 0s 0 0 1063.00000 0 33 - 1063.00000 - - 0s 0 0 1063.00000 0 22 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s H 0 0 1102.0000000 1063.00000 3.54% - 0s 0 0 1063.00000 0 18 1102.00000 1063.00000 3.54% - 0s 0 0 1063.00000 0 18 1102.00000 1063.00000 3.54% - 0s H 0 0 1094.0000000 1063.00000 2.83% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 18 1079.00000 1063.00000 1.48% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 8 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 19 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 0s 0 0 1063.06667 0 34 1078.00000 1063.06667 1.39% - 1s 0 0 1063.15929 0 51 1078.00000 1063.15929 1.38% - 1s 0 0 1063.17742 0 48 1078.00000 1063.17742 1.38% - 1s 0 0 1063.17742 0 49 1078.00000 1063.17742 1.38% - 1s 0 0 1063.17742 0 49 1078.00000 1063.17742 1.38% - 1s 0 0 1063.27468 0 59 1078.00000 1063.27468 1.37% - 1s 0 0 1063.27468 0 58 1078.00000 1063.27468 1.37% - 1s H 0 0 1077.0000000 1063.27468 1.27% - 1s 0 0 1063.36090 0 53 1077.00000 1063.36090 1.27% - 1s 0 0 1063.39197 0 60 1077.00000 1063.39197 1.26% - 1s 0 0 1063.43414 0 60 1077.00000 1063.43414 1.26% - 1s 0 0 1063.50000 0 18 1077.00000 1063.50000 1.25% - 1s 0 0 1063.51167 0 66 1077.00000 1063.51167 1.25% - 1s 0 0 1063.53481 0 62 1077.00000 1063.53481 1.25% - 1s 0 0 1063.55814 0 59 1077.00000 1063.55814 1.25% - 1s 0 0 1063.55814 0 58 1077.00000 1063.55814 1.25% - 1s 0 2 1063.55992 0 58 1077.00000 1063.55992 1.25% - 1s * 24 13 20 1076.0000000 1064.12918 1.10% 12.5 2s 1334 102 cutoff 30 1076.00000 1072.66667 0.31% 8.3 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 1504 nodes (12748 simplex iterations) in 5.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 9), (9, 11), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 727 rows, 528 columns and 70459 nonzeros Presolve time: 0.04s Presolved: 727 rows, 528 columns, 70459 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.64865 0 45 - 1062.64865 - - 0s 0 0 1062.64865 0 49 - 1062.64865 - - 0s 0 0 1062.77584 0 49 - 1062.77584 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s 0 0 1063.00000 0 22 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s H 0 0 1289.0000000 1063.00000 17.5% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 22 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 12 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 23 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 27 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 21 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 20 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 26 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 25 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 20 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 26 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 26 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00000 0 26 1077.00000 1063.00000 1.30% - 1s * 125 62 31 1076.0000000 1065.25000 1.00% 8.8 1s Cutting planes: Gomory: 2 Zero half: 11 Explored 961 nodes (8731 simplex iterations) in 2.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 14), (7, 11), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 728 rows, 528 columns and 70579 nonzeros Presolve time: 0.04s Presolved: 728 rows, 528 columns, 70579 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s H 0 0 1157.0000000 1062.00000 8.21% - 0s H 0 0 1128.0000000 1062.00000 5.85% - 0s H 0 0 1085.0000000 1062.00000 2.12% - 0s 0 0 1062.00000 0 12 1085.00000 1062.00000 2.12% - 0s 0 0 1062.50000 0 10 1085.00000 1062.50000 2.07% - 0s 0 0 1063.00000 0 14 1085.00000 1063.00000 2.03% - 0s 0 0 1063.12500 0 19 1085.00000 1063.12500 2.02% - 0s 0 0 1063.19886 0 44 1085.00000 1063.19886 2.01% - 0s 0 0 1063.19886 0 47 1085.00000 1063.19886 2.01% - 0s 0 0 1063.19886 0 46 1085.00000 1063.19886 2.01% - 0s H 0 0 1084.0000000 1063.19886 1.92% - 0s H 0 0 1079.0000000 1063.19886 1.46% - 0s 0 0 1063.19886 0 45 1079.00000 1063.19886 1.46% - 0s 0 0 1063.19886 0 44 1079.00000 1063.19886 1.46% - 1s 0 0 1063.19886 0 47 1079.00000 1063.19886 1.46% - 1s 0 0 1063.19886 0 49 1079.00000 1063.19886 1.46% - 1s 0 0 1063.20455 0 46 1079.00000 1063.20455 1.46% - 1s 0 0 1063.20455 0 48 1079.00000 1063.20455 1.46% - 1s 0 0 1063.20455 0 50 1079.00000 1063.20455 1.46% - 1s 0 0 1063.25000 0 52 1079.00000 1063.25000 1.46% - 1s 0 0 1063.25000 0 57 1079.00000 1063.25000 1.46% - 1s 0 0 1063.25971 0 53 1079.00000 1063.25971 1.46% - 1s 0 0 1063.25971 0 54 1079.00000 1063.25971 1.46% - 1s 0 0 1063.26498 0 57 1079.00000 1063.26498 1.46% - 1s 0 0 1063.27058 0 57 1079.00000 1063.27058 1.46% - 1s 0 0 1063.27058 0 55 1079.00000 1063.27058 1.46% - 1s H 0 0 1078.0000000 1063.27058 1.37% - 1s 0 2 1063.50476 0 55 1078.00000 1063.50476 1.34% - 1s H 20 13 1077.0000000 1063.81027 1.22% 0.0 3s * 489 189 25 1076.0000000 1067.28571 0.81% 9.6 4s 1016 227 1074.07143 22 38 1076.00000 1070.50000 0.51% 9.2 5s Cutting planes: Gomory: 7 Zero half: 13 Mod-K: 1 Explored 1642 nodes (14451 simplex iterations) in 5.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 729 rows, 528 columns and 70645 nonzeros Presolve time: 0.04s Presolved: 729 rows, 528 columns, 70645 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.29091 0 43 - 1062.29091 - - 0s 0 0 1062.83026 0 24 - 1062.83026 - - 0s 0 0 1062.83312 0 24 - 1062.83312 - - 0s 0 0 1062.83312 0 31 - 1062.83312 - - 0s 0 0 1062.92239 0 47 - 1062.92239 - - 0s 0 0 1062.92239 0 49 - 1062.92239 - - 0s 0 0 1062.97959 0 48 - 1062.97959 - - 0s 0 0 1062.98591 0 52 - 1062.98591 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1106.0000000 1063.00000 3.89% - 0s H 0 0 1101.0000000 1063.00000 3.45% - 0s 0 0 1063.00000 0 12 1101.00000 1063.00000 3.45% - 0s 0 0 1063.00000 0 12 1101.00000 1063.00000 3.45% - 0s 0 0 1063.00000 0 12 1101.00000 1063.00000 3.45% - 0s H 0 0 1083.0000000 1063.00000 1.85% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 10 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 44 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 8 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 15 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 16 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 19 1080.00000 1063.00000 1.57% - 1s 0 0 1063.00000 0 18 1080.00000 1063.00000 1.57% - 1s 0 2 1063.02041 0 18 1080.00000 1063.02041 1.57% - 1s H 63 24 1078.0000000 1064.35802 1.27% 7.8 1s * 119 55 15 1077.0000000 1064.40000 1.17% 7.3 1s * 256 92 26 1076.0000000 1066.00000 0.93% 8.6 2s Cutting planes: Gomory: 2 Zero half: 3 Explored 1341 nodes (12687 simplex iterations) in 4.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 11), (7, 13), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 8), (6, 10), (9, 33), (9, 10), (12, 33), (12, 14)] Optimize a model with 731 rows, 528 columns and 70759 nonzeros Presolve time: 0.04s Presolved: 731 rows, 528 columns, 70759 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.60976 0 45 - 1062.60976 - - 0s 0 0 1063.07291 0 53 - 1063.07291 - - 0s 0 0 1063.15920 0 49 - 1063.15920 - - 0s 0 0 1063.22153 0 55 - 1063.22153 - - 0s 0 0 1063.37990 0 53 - 1063.37990 - - 0s 0 0 1063.40214 0 53 - 1063.40214 - - 0s 0 0 1063.44248 0 53 - 1063.44248 - - 0s 0 0 1063.46655 0 60 - 1063.46655 - - 0s 0 0 1063.47467 0 62 - 1063.47467 - - 0s 0 0 1063.48477 0 60 - 1063.48477 - - 0s 0 0 1063.48477 0 62 - 1063.48477 - - 0s 0 0 1063.48477 0 62 - 1063.48477 - - 0s 0 0 1063.49075 0 64 - 1063.49075 - - 0s 0 0 1063.51795 0 59 - 1063.51795 - - 0s 0 0 1063.51795 0 60 - 1063.51795 - - 0s 0 0 1063.56667 0 54 - 1063.56667 - - 0s H 0 0 1188.0000000 1063.56667 10.5% - 0s H 0 0 1100.0000000 1063.56667 3.31% - 0s 0 0 1063.56852 0 58 1100.00000 1063.56852 3.31% - 0s 0 0 1063.56878 0 59 1100.00000 1063.56878 3.31% - 0s 0 0 1063.59582 0 60 1100.00000 1063.59582 3.31% - 0s H 0 0 1080.0000000 1063.59582 1.52% - 1s 0 0 1063.59582 0 60 1080.00000 1063.59582 1.52% - 1s H 0 0 1079.0000000 1063.59582 1.43% - 1s H 0 0 1078.0000000 1063.59582 1.34% - 1s 0 0 1063.59582 0 12 1078.00000 1063.59582 1.34% - 1s 0 0 1063.59582 0 52 1078.00000 1063.59582 1.34% - 1s 0 0 1063.59582 0 57 1078.00000 1063.59582 1.34% - 1s 0 0 1063.59582 0 59 1078.00000 1063.59582 1.34% - 1s 0 0 1063.59582 0 61 1078.00000 1063.59582 1.34% - 1s 0 0 1063.59582 0 63 1078.00000 1063.59582 1.34% - 1s 0 0 1063.59582 0 62 1078.00000 1063.59582 1.34% - 1s 0 0 1063.59582 0 62 1078.00000 1063.59582 1.34% - 1s 0 0 1063.59582 0 64 1078.00000 1063.59582 1.34% - 1s 0 0 1063.64191 0 56 1078.00000 1063.64191 1.33% - 1s 0 0 1063.64191 0 59 1078.00000 1063.64191 1.33% - 1s 0 0 1063.64191 0 59 1078.00000 1063.64191 1.33% - 2s 0 2 1063.64833 0 59 1078.00000 1063.64833 1.33% - 2s * 105 56 14 1077.0000000 1065.60776 1.06% 6.7 2s * 226 114 17 1076.0000000 1066.00000 0.93% 6.7 2s 924 171 cutoff 29 1076.00000 1069.92857 0.56% 8.8 5s Cutting planes: Gomory: 3 Zero half: 6 Explored 1481 nodes (12419 simplex iterations) in 5.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 10), (7, 12), (10, 11), (11, 19), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 8), (8, 9), (9, 33), (14, 33), (15, 32)] Optimize a model with 733 rows, 528 columns and 70892 nonzeros Presolve time: 0.04s Presolved: 733 rows, 528 columns, 70892 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s H 0 0 1159.0000000 1062.00000 8.37% - 0s H 0 0 1109.0000000 1062.00000 4.24% - 0s H 0 0 1089.0000000 1062.00000 2.48% - 0s 0 0 1062.00000 0 12 1089.00000 1062.00000 2.48% - 0s 0 0 1062.50000 0 10 1089.00000 1062.50000 2.43% - 0s 0 0 1063.00000 0 14 1089.00000 1063.00000 2.39% - 0s 0 0 1063.00000 0 8 1089.00000 1063.00000 2.39% - 0s 0 0 1063.00000 0 14 1089.00000 1063.00000 2.39% - 0s 0 0 1063.00000 0 10 1089.00000 1063.00000 2.39% - 0s 0 0 1063.00000 0 15 1089.00000 1063.00000 2.39% - 0s 0 0 1063.00000 0 16 1089.00000 1063.00000 2.39% - 0s 0 0 1063.00000 0 14 1089.00000 1063.00000 2.39% - 1s 0 0 1063.00000 0 15 1089.00000 1063.00000 2.39% - 1s H 0 0 1081.0000000 1063.00000 1.67% - 1s 0 0 1063.00000 0 18 1081.00000 1063.00000 1.67% - 1s 0 2 1063.49091 0 18 1081.00000 1063.49091 1.62% - 1s H 23 15 1080.0000000 1063.78219 1.50% 0.1 2s * 82 31 46 1077.0000000 1064.30259 1.18% 15.8 3s * 313 114 31 1076.0000000 1066.16667 0.91% 11.1 3s Cutting planes: Gomory: 5 Zero half: 16 Explored 1358 nodes (11707 simplex iterations) in 4.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (10, 11), (11, 19), (15, 32), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 734 rows, 528 columns and 70997 nonzeros Presolve time: 0.04s Presolved: 734 rows, 528 columns, 70997 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.22010 0 43 - 1062.22010 - - 0s 0 0 1062.82826 0 48 - 1062.82826 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 19 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s H 0 0 1212.0000000 1063.00000 12.3% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.03047 0 49 1077.00000 1063.03047 1.30% - 0s 0 0 1063.03047 0 12 1077.00000 1063.03047 1.30% - 0s 0 0 1063.03047 0 13 1077.00000 1063.03047 1.30% - 0s 0 0 1063.03400 0 50 1077.00000 1063.03400 1.30% - 0s 0 0 1063.03400 0 53 1077.00000 1063.03400 1.30% - 0s 0 0 1063.03400 0 52 1077.00000 1063.03400 1.30% - 0s 0 0 1063.03400 0 55 1077.00000 1063.03400 1.30% - 0s 0 0 1063.27286 0 51 1077.00000 1063.27286 1.27% - 0s 0 0 1063.27286 0 52 1077.00000 1063.27286 1.27% - 0s 0 0 1063.27286 0 56 1077.00000 1063.27286 1.27% - 0s 0 0 1063.30807 0 56 1077.00000 1063.30807 1.27% - 1s 0 0 1063.36959 0 58 1077.00000 1063.36959 1.27% - 1s 0 0 1063.40523 0 60 1077.00000 1063.40523 1.26% - 1s 0 0 1063.40593 0 59 1077.00000 1063.40593 1.26% - 1s 0 0 1063.40593 0 59 1077.00000 1063.40593 1.26% - 1s 0 2 1063.40957 0 59 1077.00000 1063.40957 1.26% - 1s * 265 126 15 1076.0000000 1066.50000 0.88% 8.5 2s Cutting planes: Gomory: 3 Zero half: 25 Explored 1128 nodes (9710 simplex iterations) in 3.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (12, 33), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 735 rows, 528 columns and 71088 nonzeros Presolve time: 0.04s Presolved: 735 rows, 528 columns, 71088 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.68182 0 19 - 1062.68182 - - 0s 0 0 1062.94462 0 44 - 1062.94462 - - 0s 0 0 1062.94462 0 48 - 1062.94462 - - 0s 0 0 1062.94462 0 48 - 1062.94462 - - 0s 0 0 1062.94462 0 48 - 1062.94462 - - 0s 0 0 1062.94462 0 51 - 1062.94462 - - 0s H 0 0 1114.0000000 1062.94462 4.58% - 0s H 0 0 1091.0000000 1062.94462 2.57% - 0s H 0 0 1080.0000000 1062.94462 1.58% - 0s 0 0 1062.94462 0 12 1080.00000 1062.94462 1.58% - 0s 0 0 1062.94462 0 44 1080.00000 1062.94462 1.58% - 0s 0 0 1062.97269 0 57 1080.00000 1062.97269 1.58% - 0s 0 0 1063.15727 0 58 1080.00000 1063.15727 1.56% - 0s 0 0 1063.15727 0 60 1080.00000 1063.15727 1.56% - 0s 0 0 1063.17127 0 57 1080.00000 1063.17127 1.56% - 0s 0 0 1063.17127 0 59 1080.00000 1063.17127 1.56% - 0s 0 0 1063.22305 0 61 1080.00000 1063.22305 1.55% - 1s 0 0 1063.22305 0 63 1080.00000 1063.22305 1.55% - 1s 0 0 1063.29542 0 56 1080.00000 1063.29542 1.55% - 1s 0 0 1063.29542 0 59 1080.00000 1063.29542 1.55% - 1s 0 0 1063.31925 0 60 1080.00000 1063.31925 1.54% - 1s H 0 0 1078.0000000 1063.31925 1.36% - 1s 0 0 1063.35483 0 63 1078.00000 1063.35483 1.36% - 1s 0 0 1063.40318 0 58 1078.00000 1063.40318 1.35% - 1s 0 0 1063.44246 0 59 1078.00000 1063.44246 1.35% - 1s 0 0 1063.45615 0 61 1078.00000 1063.45615 1.35% - 1s 0 0 1063.46591 0 66 1078.00000 1063.46591 1.35% - 1s H 0 0 1077.0000000 1063.46591 1.26% - 1s 0 2 1063.47549 0 66 1077.00000 1063.47549 1.26% - 2s * 548 167 14 1076.0000000 1068.66667 0.68% 9.1 2s 1053 170 cutoff 29 1076.00000 1069.75000 0.58% 10.0 5s Cutting planes: Gomory: 2 Zero half: 10 Explored 1647 nodes (15703 simplex iterations) in 5.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(8, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 736 rows, 528 columns and 71143 nonzeros Presolve time: 0.04s Presolved: 736 rows, 528 columns, 71143 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.14286 0 13 - 1062.14286 - - 0s 0 0 1062.54229 0 45 - 1062.54229 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00331 0 47 - 1063.00331 - - 0s 0 0 1063.00331 0 51 - 1063.00331 - - 0s 0 0 1063.00331 0 51 - 1063.00331 - - 0s 0 0 1063.00331 0 54 - 1063.00331 - - 0s H 0 0 1253.0000000 1063.00331 15.2% - 0s H 0 0 1078.0000000 1063.00331 1.39% - 0s 0 0 1063.05882 0 45 1078.00000 1063.05882 1.39% - 0s 0 0 1063.05882 0 10 1078.00000 1063.05882 1.39% - 0s 0 0 1063.06667 0 45 1078.00000 1063.06667 1.39% - 0s 0 0 1063.07514 0 49 1078.00000 1063.07514 1.38% - 0s 0 0 1063.07514 0 52 1078.00000 1063.07514 1.38% - 0s 0 0 1063.07514 0 51 1078.00000 1063.07514 1.38% - 0s 0 0 1063.07514 0 54 1078.00000 1063.07514 1.38% - 0s 0 0 1063.10127 0 58 1078.00000 1063.10127 1.38% - 0s 0 0 1063.13314 0 49 1078.00000 1063.13314 1.38% - 0s 0 0 1063.13314 0 55 1078.00000 1063.13314 1.38% - 1s 0 0 1063.13314 0 52 1078.00000 1063.13314 1.38% - 1s 0 0 1063.13314 0 56 1078.00000 1063.13314 1.38% - 1s 0 0 1063.13314 0 58 1078.00000 1063.13314 1.38% - 1s 0 0 1063.13314 0 56 1078.00000 1063.13314 1.38% - 1s 0 0 1063.16718 0 62 1078.00000 1063.16718 1.38% - 1s 0 0 1063.17919 0 63 1078.00000 1063.17919 1.37% - 1s 0 0 1063.17919 0 63 1078.00000 1063.17919 1.37% - 1s H 0 0 1077.0000000 1063.17919 1.28% - 1s 0 2 1063.18423 0 63 1077.00000 1063.18423 1.28% - 2s * 103 54 19 1076.0000000 1065.00000 1.02% 8.9 2s Cutting planes: Gomory: 4 Zero half: 23 Explored 758 nodes (8133 simplex iterations) in 3.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 8), (7, 8), (7, 10), (10, 11), (11, 19), (15, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 737 rows, 528 columns and 71234 nonzeros Presolve time: 0.04s Presolved: 737 rows, 528 columns, 71234 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.68182 0 19 - 1062.68182 - - 0s 0 0 1063.06024 0 44 - 1063.06024 - - 0s 0 0 1063.06024 0 47 - 1063.06024 - - 0s 0 0 1063.06024 0 48 - 1063.06024 - - 0s 0 0 1063.06024 0 50 - 1063.06024 - - 0s 0 0 1063.10787 0 43 - 1063.10787 - - 0s 0 0 1063.10787 0 46 - 1063.10787 - - 0s 0 0 1063.10787 0 45 - 1063.10787 - - 0s H 0 0 1153.0000000 1063.10787 7.80% - 0s H 0 0 1085.0000000 1063.10787 2.02% - 0s 0 0 1063.10787 0 48 1085.00000 1063.10787 2.02% - 0s 0 0 1063.10787 0 10 1085.00000 1063.10787 2.02% - 0s 0 0 1063.22905 0 48 1085.00000 1063.22905 2.01% - 0s 0 0 1063.24731 0 54 1085.00000 1063.24731 2.00% - 0s 0 0 1063.27406 0 58 1085.00000 1063.27406 2.00% - 0s 0 0 1063.27485 0 61 1085.00000 1063.27485 2.00% - 0s 0 0 1063.27485 0 59 1085.00000 1063.27485 2.00% - 1s H 0 0 1078.0000000 1063.27485 1.37% - 1s 0 2 1063.27898 0 59 1078.00000 1063.27898 1.37% - 1s * 197 84 14 1077.0000000 1066.00000 1.02% 6.3 1s * 532 206 18 1076.0000000 1067.67568 0.77% 7.4 2s Cutting planes: Gomory: 4 Zero half: 7 Explored 1619 nodes (13790 simplex iterations) in 3.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 33), (7, 10), (10, 19), (14, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 738 rows, 528 columns and 71370 nonzeros Presolve time: 0.04s Presolved: 738 rows, 528 columns, 71370 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.40351 0 45 1077.00000 1062.40351 1.36% - 0s 0 0 1062.40351 0 10 1077.00000 1062.40351 1.36% - 0s 0 0 1062.75000 0 18 1077.00000 1062.75000 1.32% - 0s 0 0 1063.13501 0 44 1077.00000 1063.13501 1.29% - 0s 0 0 1063.17469 0 48 1077.00000 1063.17469 1.28% - 0s 0 0 1063.17469 0 47 1077.00000 1063.17469 1.28% - 0s 0 0 1063.17469 0 52 1077.00000 1063.17469 1.28% - 0s 0 0 1063.17469 0 50 1077.00000 1063.17469 1.28% - 0s 0 0 1063.17469 0 53 1077.00000 1063.17469 1.28% - 0s 0 0 1063.25156 0 53 1077.00000 1063.25156 1.28% - 0s 0 0 1063.28823 0 55 1077.00000 1063.28823 1.27% - 0s 0 0 1063.31287 0 54 1077.00000 1063.31287 1.27% - 0s 0 0 1063.32578 0 56 1077.00000 1063.32578 1.27% - 0s 0 0 1063.32672 0 58 1077.00000 1063.32672 1.27% - 0s 0 0 1063.32915 0 55 1077.00000 1063.32915 1.27% - 0s 0 0 1063.33717 0 58 1077.00000 1063.33717 1.27% - 0s 0 0 1063.35441 0 60 1077.00000 1063.35441 1.27% - 0s 0 0 1063.36273 0 66 1077.00000 1063.36273 1.27% - 0s 0 2 1063.37527 0 66 1077.00000 1063.37527 1.27% - 1s * 878 257 27 1076.0000000 1068.00000 0.74% 9.4 3s 1950 120 1074.66667 19 25 1076.00000 1072.33333 0.34% 9.2 5s Cutting planes: Gomory: 3 Zero half: 9 Explored 2133 nodes (19393 simplex iterations) in 5.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 11), (11, 19), (13, 33), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 739 rows, 528 columns and 71448 nonzeros Presolve time: 0.04s Presolved: 739 rows, 528 columns, 71448 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1087.0000000 1062.00000 2.30% - 0s 0 0 1062.00000 0 14 1087.00000 1062.00000 2.30% - 0s 0 0 1062.00000 0 10 1087.00000 1062.00000 2.30% - 0s 0 0 1062.50000 0 10 1087.00000 1062.50000 2.25% - 0s H 0 0 1082.0000000 1062.50000 1.80% - 0s 0 0 1063.00000 0 14 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 18 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 17 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 12 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 19 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 12 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 23 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 14 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 12 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 16 1082.00000 1063.00000 1.76% - 0s 0 0 1063.00000 0 12 1082.00000 1063.00000 1.76% - 1s 0 0 1063.00000 0 14 1082.00000 1063.00000 1.76% - 1s 0 0 1063.00000 0 14 1082.00000 1063.00000 1.76% - 1s H 0 0 1079.0000000 1063.00000 1.48% - 1s 0 2 1063.00000 0 14 1079.00000 1063.00000 1.48% - 1s H 27 21 1078.0000000 1064.33333 1.27% 12.7 1s H 54 41 1077.0000000 1064.58929 1.15% 10.5 1s H 81 52 1076.0000000 1064.85106 1.04% 9.8 1s Cutting planes: Gomory: 2 Zero half: 1 Explored 1494 nodes (14146 simplex iterations) in 4.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (10, 11), (10, 14), (11, 19), (15, 16), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 740 rows, 528 columns and 71553 nonzeros Presolve time: 0.04s Presolved: 740 rows, 528 columns, 71553 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s H 0 0 1149.0000000 1062.00000 7.57% - 0s H 0 0 1109.0000000 1062.00000 4.24% - 0s H 0 0 1089.0000000 1062.00000 2.48% - 0s 0 0 1062.00000 0 12 1089.00000 1062.00000 2.48% - 0s 0 0 1062.50000 0 10 1089.00000 1062.50000 2.43% - 0s H 0 0 1083.0000000 1062.50000 1.89% - 0s 0 0 1063.00000 0 14 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 10 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 16 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 14 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 14 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 12 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 15 1083.00000 1063.00000 1.85% - 1s 0 0 1063.00000 0 12 1083.00000 1063.00000 1.85% - 1s 0 0 1063.00000 0 14 1083.00000 1063.00000 1.85% - 1s 0 0 1063.00000 0 14 1083.00000 1063.00000 1.85% - 1s 0 2 1063.02857 0 14 1083.00000 1063.02857 1.84% - 1s * 71 35 69 1078.0000000 1064.05797 1.29% 5.3 1s H 124 72 1077.0000000 1064.40882 1.17% 5.6 1s * 511 260 14 1076.0000000 1066.46667 0.89% 6.9 2s Cutting planes: Gomory: 3 Zero half: 1 Explored 1502 nodes (12386 simplex iterations) in 4.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 741 rows, 528 columns and 71631 nonzeros Presolve time: 0.04s Presolved: 741 rows, 528 columns, 71631 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s 0 0 1062.00000 0 17 - 1062.00000 - - 0s H 0 0 1143.0000000 1062.00000 7.09% - 0s H 0 0 1114.0000000 1062.00000 4.67% - 0s H 0 0 1110.0000000 1062.00000 4.32% - 0s H 0 0 1107.0000000 1062.00000 4.07% - 0s 0 2 1062.00000 0 17 1107.00000 1062.00000 4.07% - 0s H 27 27 1090.0000000 1064.00000 2.39% 15.9 0s H 54 41 1088.0000000 1064.00000 2.21% 10.6 1s H 137 73 1079.0000000 1064.60784 1.33% 7.7 1s * 173 85 18 1078.0000000 1064.92500 1.21% 7.9 1s * 190 85 21 1076.0000000 1065.00000 1.02% 7.8 1s Explored 1394 nodes (12050 simplex iterations) in 3.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 14), (9, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 742 rows, 528 columns and 71722 nonzeros Presolve time: 0.04s Presolved: 742 rows, 528 columns, 71722 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.63158 0 44 - 1062.63158 - - 0s 0 0 1062.63158 0 48 - 1062.63158 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 25 - 1063.00000 - - 0s H 0 0 1269.0000000 1063.00000 16.2% - 0s H 0 0 1088.0000000 1063.00000 2.30% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 15 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 48 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 26 1079.00000 1063.00000 1.48% - 0s 0 0 1063.09804 0 54 1079.00000 1063.09804 1.47% - 0s 0 0 1063.12766 0 55 1079.00000 1063.12766 1.47% - 0s 0 0 1063.33333 0 32 1079.00000 1063.33333 1.45% - 0s 0 0 1063.33333 0 20 1079.00000 1063.33333 1.45% - 0s 0 0 1063.33333 0 17 1079.00000 1063.33333 1.45% - 0s 0 0 1063.33333 0 26 1079.00000 1063.33333 1.45% - 0s 0 0 1063.33333 0 24 1079.00000 1063.33333 1.45% - 1s 0 0 1063.33333 0 30 1079.00000 1063.33333 1.45% - 1s H 0 0 1078.0000000 1063.33333 1.36% - 1s 0 0 1063.33333 0 25 1078.00000 1063.33333 1.36% - 1s 0 0 1063.33333 0 34 1078.00000 1063.33333 1.36% - 1s 0 0 1063.33333 0 25 1078.00000 1063.33333 1.36% - 1s 0 0 1063.33333 0 24 1078.00000 1063.33333 1.36% - 1s 0 0 1063.33333 0 28 1078.00000 1063.33333 1.36% - 1s 0 0 1063.33333 0 13 1078.00000 1063.33333 1.36% - 1s 0 2 1063.33333 0 13 1078.00000 1063.33333 1.36% - 1s H 54 25 1077.0000000 1064.55556 1.16% 12.1 2s * 192 65 11 1076.0000000 1066.24000 0.91% 10.3 2s Cutting planes: Gomory: 2 Zero half: 69 Explored 1121 nodes (10511 simplex iterations) in 3.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(12, 13), (12, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 743 rows, 528 columns and 71788 nonzeros Presolve time: 0.04s Presolved: 743 rows, 528 columns, 71788 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.71429 0 20 - 1062.71429 - - 0s 0 0 1062.93023 0 51 - 1062.93023 - - 0s 0 0 1062.99063 0 48 - 1062.99063 - - 0s 0 0 1062.99063 0 51 - 1062.99063 - - 0s 0 0 1063.22369 0 49 - 1063.22369 - - 0s 0 0 1063.22369 0 53 - 1063.22369 - - 0s 0 0 1063.22369 0 53 - 1063.22369 - - 0s 0 0 1063.22369 0 56 - 1063.22369 - - 0s 0 0 1063.25001 0 60 - 1063.25001 - - 0s H 0 0 1114.0000000 1063.25001 4.56% - 0s H 0 0 1078.0000000 1063.25001 1.37% - 0s 0 0 1063.37134 0 58 1078.00000 1063.37134 1.36% - 0s 0 0 1063.37134 0 12 1078.00000 1063.37134 1.36% - 0s 0 0 1063.37134 0 51 1078.00000 1063.37134 1.36% - 0s 0 0 1063.46122 0 49 1078.00000 1063.46122 1.35% - 0s 0 0 1063.47755 0 56 1078.00000 1063.47755 1.35% - 0s 0 0 1063.48313 0 54 1078.00000 1063.48313 1.35% - 0s 0 0 1063.48313 0 60 1078.00000 1063.48313 1.35% - 0s 0 0 1063.48313 0 55 1078.00000 1063.48313 1.35% - 0s 0 0 1063.48313 0 55 1078.00000 1063.48313 1.35% - 1s 0 2 1063.48699 0 55 1078.00000 1063.48699 1.35% - 1s H 81 35 1077.0000000 1065.00000 1.11% 7.3 1s * 171 71 12 1076.0000000 1066.00000 0.93% 8.2 1s Cutting planes: Gomory: 4 Zero half: 4 Explored 1568 nodes (13426 simplex iterations) in 4.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 12), (9, 19), (12, 13), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 744 rows, 528 columns and 71866 nonzeros Presolve time: 0.04s Presolved: 744 rows, 528 columns, 71866 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1081.0000000 1062.00000 1.76% - 0s 0 0 1062.68182 0 19 1081.00000 1062.68182 1.69% - 0s 0 0 1062.68182 0 10 1081.00000 1062.68182 1.69% - 0s 0 0 1062.76667 0 19 1081.00000 1062.76667 1.69% - 0s H 0 0 1077.0000000 1062.76667 1.32% - 0s 0 0 1063.15625 0 41 1077.00000 1063.15625 1.29% - 0s 0 0 1063.17307 0 46 1077.00000 1063.17307 1.28% - 0s 0 0 1063.17307 0 45 1077.00000 1063.17307 1.28% - 0s 0 0 1063.17307 0 46 1077.00000 1063.17307 1.28% - 0s 0 0 1063.17307 0 49 1077.00000 1063.17307 1.28% - 0s 0 0 1063.17307 0 46 1077.00000 1063.17307 1.28% - 0s 0 0 1063.17307 0 46 1077.00000 1063.17307 1.28% - 0s 0 0 1063.17307 0 46 1077.00000 1063.17307 1.28% - 0s 0 0 1063.17307 0 46 1077.00000 1063.17307 1.28% - 0s 0 2 1063.22735 0 46 1077.00000 1063.22735 1.28% - 1s * 77 25 22 1076.0000000 1065.00000 1.02% 6.6 1s Cutting planes: Gomory: 3 Zero half: 6 Explored 762 nodes (6586 simplex iterations) in 2.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 10), (10, 11), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 745 rows, 528 columns and 71944 nonzeros Presolve time: 0.04s Presolved: 745 rows, 528 columns, 71944 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.25806 0 45 - 1062.25806 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s H 0 0 1155.0000000 1063.00000 7.97% - 0s H 0 0 1093.0000000 1063.00000 2.74% - 0s 0 0 1063.00000 0 24 1093.00000 1063.00000 2.74% - 0s 0 0 1063.00000 0 14 1093.00000 1063.00000 2.74% - 0s 0 0 1063.00000 0 21 1093.00000 1063.00000 2.74% - 0s 0 0 1063.00000 0 21 1093.00000 1063.00000 2.74% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 17 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 15 1079.00000 1063.00000 1.48% - 1s 0 0 1063.15686 0 44 1079.00000 1063.15686 1.47% - 1s 0 0 1063.24554 0 46 1079.00000 1063.24554 1.46% - 1s 0 0 1063.31707 0 50 1079.00000 1063.31707 1.45% - 1s 0 0 1063.31707 0 53 1079.00000 1063.31707 1.45% - 1s 0 0 1063.31707 0 46 1079.00000 1063.31707 1.45% - 1s 0 0 1063.31707 0 49 1079.00000 1063.31707 1.45% - 1s 0 0 1063.31707 0 47 1079.00000 1063.31707 1.45% - 1s 0 0 1063.31707 0 50 1079.00000 1063.31707 1.45% - 1s 0 0 1063.31707 0 50 1079.00000 1063.31707 1.45% - 1s 0 0 1063.31707 0 50 1079.00000 1063.31707 1.45% - 1s 0 2 1063.39271 0 50 1079.00000 1063.39271 1.45% - 1s H 27 18 1078.0000000 1064.50000 1.25% 13.4 2s * 55 25 52 1077.0000000 1064.50000 1.16% 8.2 2s * 261 118 9 1076.0000000 1065.95238 0.93% 6.8 2s Cutting planes: Gomory: 5 Zero half: 1 Explored 1233 nodes (10414 simplex iterations) in 4.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 10), (9, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 746 rows, 528 columns and 72035 nonzeros Presolve time: 0.04s Presolved: 746 rows, 528 columns, 72035 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.66667 0 44 - 1062.66667 - - 0s 0 0 1062.66667 0 44 - 1062.66667 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s H 0 0 1128.0000000 1063.00000 5.76% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 19 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 20 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 25 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 23 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 1s 0 0 1063.00000 0 11 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00000 0 11 1077.00000 1063.00000 1.30% - 1s * 286 119 20 1076.0000000 1066.00000 0.93% 8.1 2s Cutting planes: Gomory: 2 Zero half: 5 Explored 1027 nodes (10649 simplex iterations) in 2.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (16, 32), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 747 rows, 528 columns and 72113 nonzeros Presolve time: 0.04s Presolved: 747 rows, 528 columns, 72113 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.71429 0 20 - 1062.71429 - - 0s 0 0 1062.93023 0 51 - 1062.93023 - - 0s 0 0 1062.99063 0 48 - 1062.99063 - - 0s 0 0 1062.99063 0 51 - 1062.99063 - - 0s 0 0 1063.22369 0 49 - 1063.22369 - - 0s 0 0 1063.22369 0 53 - 1063.22369 - - 0s 0 0 1063.22369 0 53 - 1063.22369 - - 0s 0 0 1063.22369 0 56 - 1063.22369 - - 0s 0 0 1063.25001 0 60 - 1063.25001 - - 0s H 0 0 1078.0000000 1063.25001 1.37% - 0s 0 0 1063.37134 0 58 1078.00000 1063.37134 1.36% - 0s 0 0 1063.37134 0 12 1078.00000 1063.37134 1.36% - 0s 0 0 1063.37134 0 51 1078.00000 1063.37134 1.36% - 0s 0 0 1063.46122 0 49 1078.00000 1063.46122 1.35% - 0s 0 0 1063.47755 0 53 1078.00000 1063.47755 1.35% - 0s 0 0 1063.47755 0 52 1078.00000 1063.47755 1.35% - 0s 0 0 1063.47755 0 55 1078.00000 1063.47755 1.35% - 0s 0 0 1063.48750 0 60 1078.00000 1063.48750 1.35% - 0s 0 0 1063.49717 0 47 1078.00000 1063.49717 1.35% - 0s 0 0 1063.49717 0 53 1078.00000 1063.49717 1.35% - 0s 0 0 1063.49717 0 50 1078.00000 1063.49717 1.35% - 0s 0 0 1063.49717 0 56 1078.00000 1063.49717 1.35% - 1s 0 0 1063.50384 0 58 1078.00000 1063.50384 1.34% - 1s 0 0 1063.50384 0 62 1078.00000 1063.50384 1.34% - 1s 0 0 1063.50384 0 61 1078.00000 1063.50384 1.34% - 1s 0 0 1063.50384 0 62 1078.00000 1063.50384 1.34% - 1s 0 0 1063.50384 0 62 1078.00000 1063.50384 1.34% - 1s 0 0 1063.50509 0 62 1078.00000 1063.50509 1.34% - 1s 0 2 1063.51097 0 62 1078.00000 1063.51097 1.34% - 1s * 72 43 40 1077.0000000 1065.00000 1.11% 8.4 2s * 175 85 15 1076.0000000 1066.00000 0.93% 8.4 2s Cutting planes: Gomory: 3 Zero half: 10 Mod-K: 1 Explored 934 nodes (8330 simplex iterations) in 3.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (9, 11), (11, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 748 rows, 528 columns and 72204 nonzeros Presolve time: 0.04s Presolved: 748 rows, 528 columns, 72204 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.66667 0 44 - 1062.66667 - - 0s 0 0 1062.66667 0 48 - 1062.66667 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s H 0 0 1184.0000000 1063.00000 10.2% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 22 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 45 1077.00000 1063.00000 1.30% - 0s 0 0 1063.14144 0 49 1077.00000 1063.14144 1.29% - 0s 0 0 1063.14144 0 48 1077.00000 1063.14144 1.29% - 0s 0 0 1063.14144 0 52 1077.00000 1063.14144 1.29% - 0s 0 0 1063.14144 0 51 1077.00000 1063.14144 1.29% - 0s 0 0 1063.14144 0 54 1077.00000 1063.14144 1.29% - 0s 0 0 1063.25495 0 49 1077.00000 1063.25495 1.28% - 0s 0 0 1063.30150 0 53 1077.00000 1063.30150 1.27% - 1s 0 0 1063.31658 0 57 1077.00000 1063.31658 1.27% - 1s 0 0 1063.32195 0 58 1077.00000 1063.32195 1.27% - 1s 0 0 1063.32248 0 56 1077.00000 1063.32248 1.27% - 1s 0 0 1063.33932 0 57 1077.00000 1063.33932 1.27% - 1s 0 0 1063.34031 0 54 1077.00000 1063.34031 1.27% - 1s 0 0 1063.34275 0 57 1077.00000 1063.34275 1.27% - 1s 0 0 1063.35322 0 58 1077.00000 1063.35322 1.27% - 1s 0 0 1063.38683 0 61 1077.00000 1063.38683 1.26% - 1s 0 0 1063.38683 0 62 1077.00000 1063.38683 1.26% - 1s 0 0 1063.38683 0 63 1077.00000 1063.38683 1.26% - 1s 0 0 1063.38880 0 56 1077.00000 1063.38880 1.26% - 1s 0 0 1063.39462 0 57 1077.00000 1063.39462 1.26% - 1s 0 0 1063.39462 0 59 1077.00000 1063.39462 1.26% - 1s 0 0 1063.40266 0 60 1077.00000 1063.40266 1.26% - 1s 0 0 1063.44573 0 60 1077.00000 1063.44573 1.26% - 1s 0 0 1063.44573 0 62 1077.00000 1063.44573 1.26% - 1s 0 0 1063.45379 0 62 1077.00000 1063.45379 1.26% - 1s 0 0 1063.47445 0 64 1077.00000 1063.47445 1.26% - 1s 0 0 1063.47445 0 66 1077.00000 1063.47445 1.26% - 1s 0 0 1063.48081 0 62 1077.00000 1063.48081 1.26% - 1s 0 2 1063.48466 0 62 1077.00000 1063.48466 1.25% - 2s * 712 96 12 1076.0000000 1072.16667 0.36% 9.1 3s Cutting planes: Gomory: 2 Zero half: 16 Mod-K: 3 Explored 883 nodes (8487 simplex iterations) in 3.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(8, 9), (9, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 749 rows, 528 columns and 72270 nonzeros Presolve time: 0.04s Presolved: 749 rows, 528 columns, 72270 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s H 0 0 1273.0000000 1062.00000 16.6% - 0s H 0 0 1087.0000000 1062.00000 2.30% - 0s 0 0 1062.12245 0 46 1087.00000 1062.12245 2.29% - 0s 0 0 1062.12245 0 10 1087.00000 1062.12245 2.29% - 0s 0 0 1062.66030 0 39 1087.00000 1062.66030 2.24% - 0s H 0 0 1085.0000000 1062.66030 2.06% - 0s 0 0 1063.00000 0 18 1085.00000 1063.00000 2.03% - 0s 0 0 1063.18106 0 23 1085.00000 1063.18106 2.01% - 0s 0 0 1063.19033 0 41 1085.00000 1063.19033 2.01% - 0s 0 0 1063.19033 0 47 1085.00000 1063.19033 2.01% - 0s 0 0 1063.19033 0 43 1085.00000 1063.19033 2.01% - 0s 0 0 1063.19033 0 44 1085.00000 1063.19033 2.01% - 0s 0 0 1063.19033 0 43 1085.00000 1063.19033 2.01% - 1s H 0 0 1077.0000000 1063.19033 1.28% - 1s 0 0 1063.19033 0 44 1077.00000 1063.19033 1.28% - 1s 0 2 1063.97045 0 43 1077.00000 1063.97045 1.21% - 1s * 667 134 25 1076.0000000 1071.22222 0.44% 8.8 4s Cutting planes: Gomory: 8 Zero half: 18 Mod-K: 1 Explored 1092 nodes (8862 simplex iterations) in 4.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 13), (9, 11), (11, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 750 rows, 528 columns and 72361 nonzeros Presolve time: 0.04s Presolved: 750 rows, 528 columns, 72361 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.18605 0 44 - 1062.18605 - - 0s 0 0 1062.43802 0 49 - 1062.43802 - - 0s 0 0 1062.43802 0 52 - 1062.43802 - - 0s 0 0 1062.76078 0 52 - 1062.76078 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s H 0 0 1106.0000000 1063.00000 3.89% - 0s H 0 0 1095.0000000 1063.00000 2.92% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 22 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 26 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 8 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 20 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 8 1077.00000 1063.00000 1.30% - 1s 0 2 1063.00000 0 8 1077.00000 1063.00000 1.30% - 1s * 961 134 28 1076.0000000 1070.50000 0.51% 9.1 3s Cutting planes: Zero half: 1 Explored 1204 nodes (11051 simplex iterations) in 3.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(10, 11), (10, 12), (11, 19), (12, 13), (15, 16), (16, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 751 rows, 528 columns and 72452 nonzeros Presolve time: 0.04s Presolved: 751 rows, 528 columns, 72452 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.33333 0 13 1076.00000 1062.33333 1.27% - 0s 0 0 1062.33333 0 12 1076.00000 1062.33333 1.27% - 0s 0 0 1062.62500 0 20 1076.00000 1062.62500 1.24% - 0s 0 0 1062.62500 0 20 1076.00000 1062.62500 1.24% - 0s 0 0 1062.62500 0 22 1076.00000 1062.62500 1.24% - 0s 0 0 1062.67087 0 44 1076.00000 1062.67087 1.24% - 0s 0 0 1062.67087 0 47 1076.00000 1062.67087 1.24% - 0s 0 0 1062.67087 0 49 1076.00000 1062.67087 1.24% - 0s 0 0 1062.67087 0 52 1076.00000 1062.67087 1.24% - 0s 0 0 1063.00000 0 16 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 22 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 20 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 22 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 20 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 20 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 20 1076.00000 1063.00000 1.21% - 0s 0 0 1063.00000 0 16 1076.00000 1063.00000 1.21% - 0s 0 2 1063.23077 0 16 1076.00000 1063.23077 1.19% - 0s Cutting planes: Gomory: 2 Zero half: 4 Explored 1484 nodes (13169 simplex iterations) in 3.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 11), (11, 19), (14, 33), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 752 rows, 528 columns and 72572 nonzeros Presolve time: 0.04s Presolved: 752 rows, 528 columns, 72572 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s 0 0 1062.00000 0 19 - 1062.00000 - - 0s H 0 0 1100.0000000 1062.00000 3.45% - 0s H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.00000 0 10 1077.00000 1062.00000 1.39% - 0s 0 0 1062.76190 0 40 1077.00000 1062.76190 1.32% - 0s 0 0 1063.23404 0 44 1077.00000 1063.23404 1.28% - 0s 0 0 1063.29372 0 47 1077.00000 1063.29372 1.27% - 0s 0 0 1063.29372 0 46 1077.00000 1063.29372 1.27% - 0s 0 0 1063.29372 0 50 1077.00000 1063.29372 1.27% - 0s 0 0 1063.29372 0 49 1077.00000 1063.29372 1.27% - 0s 0 0 1063.29372 0 52 1077.00000 1063.29372 1.27% - 0s 0 0 1063.37857 0 50 1077.00000 1063.37857 1.26% - 0s 0 0 1063.40000 0 52 1077.00000 1063.40000 1.26% - 0s 0 0 1063.42289 0 52 1077.00000 1063.42289 1.26% - 0s 0 0 1063.43337 0 55 1077.00000 1063.43337 1.26% - 1s 0 0 1063.43889 0 56 1077.00000 1063.43889 1.26% - 1s 0 0 1063.43971 0 60 1077.00000 1063.43971 1.26% - 1s 0 0 1063.44333 0 60 1077.00000 1063.44333 1.26% - 1s 0 0 1063.44801 0 60 1077.00000 1063.44801 1.26% - 1s 0 0 1063.44801 0 60 1077.00000 1063.44801 1.26% - 1s 0 0 1063.44801 0 59 1077.00000 1063.44801 1.26% - 1s 0 2 1063.45904 0 59 1077.00000 1063.45904 1.26% - 1s H 1024 182 1076.0000000 1070.00000 0.56% 8.3 4s Cutting planes: Gomory: 3 Zero half: 9 Explored 1460 nodes (12340 simplex iterations) in 4.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(9, 11), (9, 13), (11, 19), (15, 16), (16, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 753 rows, 528 columns and 72650 nonzeros Presolve time: 0.04s Presolved: 753 rows, 528 columns, 72650 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.44845 0 42 - 1062.44845 - - 0s 0 0 1062.44845 0 46 - 1062.44845 - - 0s 0 0 1062.93750 0 20 - 1062.93750 - - 0s 0 0 1062.93750 0 24 - 1062.93750 - - 0s 0 0 1062.93750 0 23 - 1062.93750 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s H 0 0 1241.0000000 1063.00000 14.3% - 0s H 0 0 1091.0000000 1063.00000 2.57% - 0s 0 0 1063.00000 0 19 1091.00000 1063.00000 2.57% - 0s 0 0 1063.02294 0 51 1091.00000 1063.02294 2.56% - 0s H 0 0 1090.0000000 1063.02294 2.47% - 0s 0 0 1063.09375 0 26 1090.00000 1063.09375 2.47% - 0s 0 0 1063.09375 0 30 1090.00000 1063.09375 2.47% - 0s 0 0 1063.14347 0 49 1090.00000 1063.14347 2.46% - 0s 0 0 1063.14347 0 52 1090.00000 1063.14347 2.46% - 0s 0 0 1063.14347 0 52 1090.00000 1063.14347 2.46% - 0s 0 0 1063.14347 0 55 1090.00000 1063.14347 2.46% - 0s 0 0 1063.18416 0 46 1090.00000 1063.18416 2.46% - 1s 0 0 1063.22959 0 54 1090.00000 1063.22959 2.46% - 1s 0 0 1063.23903 0 56 1090.00000 1063.23903 2.46% - 1s 0 0 1063.33895 0 57 1090.00000 1063.33895 2.45% - 1s 0 0 1063.33895 0 60 1090.00000 1063.33895 2.45% - 1s 0 0 1063.34770 0 62 1090.00000 1063.34770 2.45% - 1s 0 0 1063.34985 0 64 1090.00000 1063.34985 2.44% - 1s 0 0 1063.37222 0 56 1090.00000 1063.37222 2.44% - 1s 0 0 1063.37256 0 59 1090.00000 1063.37256 2.44% - 1s 0 0 1063.37256 0 59 1090.00000 1063.37256 2.44% - 1s H 0 0 1078.0000000 1063.37256 1.36% - 1s H 0 0 1077.0000000 1063.37256 1.27% - 1s 0 0 1063.37256 0 12 1077.00000 1063.37256 1.27% - 2s 0 0 1063.37256 0 55 1077.00000 1063.37256 1.27% - 2s 0 0 1063.37684 0 58 1077.00000 1063.37684 1.26% - 2s 0 0 1063.37786 0 65 1077.00000 1063.37786 1.26% - 2s 0 0 1063.39008 0 52 1077.00000 1063.39008 1.26% - 2s 0 0 1063.39008 0 58 1077.00000 1063.39008 1.26% - 2s 0 2 1063.39038 0 58 1077.00000 1063.39038 1.26% - 2s 853 239 1070.00000 23 12 1077.00000 1069.63636 0.68% 9.3 5s * 1198 145 27 1076.0000000 1070.16667 0.54% 9.1 5s Cutting planes: Gomory: 2 Zero half: 11 Explored 1567 nodes (14080 simplex iterations) in 5.78 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 33), (9, 19), (14, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 754 rows, 528 columns and 72755 nonzeros Presolve time: 0.04s Presolved: 754 rows, 528 columns, 72755 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.25806 0 45 - 1062.25806 - - 0s 0 0 1063.00000 0 10 - 1063.00000 - - 0s 0 0 1063.00000 0 14 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 12 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s H 0 0 1195.0000000 1063.00000 11.0% - 0s H 0 0 1086.0000000 1063.00000 2.12% - 0s 0 0 1063.00000 0 18 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 12 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 18 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 25 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 25 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 22 1086.00000 1063.00000 2.12% - 0s 0 0 1063.00000 0 25 1086.00000 1063.00000 2.12% - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s 0 0 1063.00000 0 23 1080.00000 1063.00000 1.57% - 1s H 0 0 1079.0000000 1063.00000 1.48% - 1s 0 0 1063.00000 0 26 1079.00000 1063.00000 1.48% - 1s 0 2 1063.33333 0 26 1079.00000 1063.33333 1.45% - 1s H 28 18 1078.0000000 1063.86601 1.31% 0.3 3s H 83 24 1077.0000000 1064.23970 1.18% 13.2 3s * 633 205 30 1076.0000000 1068.40000 0.71% 9.2 4s 927 197 1074.66667 27 34 1076.00000 1070.30769 0.53% 9.3 5s Cutting planes: Gomory: 7 Zero half: 7 Mod-K: 2 Explored 1512 nodes (13274 simplex iterations) in 5.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(10, 33), (10, 11), (11, 19), (12, 33), (12, 13), (15, 16), (16, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 755 rows, 528 columns and 72860 nonzeros Presolve time: 0.04s Presolved: 755 rows, 528 columns, 72860 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1076.0000000 1062.00000 1.30% - 0s 0 0 1062.22010 0 43 1076.00000 1062.22010 1.28% - 0s 0 0 1062.22010 0 12 1076.00000 1062.22010 1.28% - 0s 0 0 1062.48103 0 44 1076.00000 1062.48103 1.26% - 0s 0 0 1062.72222 0 19 1076.00000 1062.72222 1.23% - 0s 0 0 1063.01042 0 45 1076.00000 1063.01042 1.21% - 0s 0 0 1063.03160 0 50 1076.00000 1063.03160 1.21% - 0s 0 0 1063.03160 0 52 1076.00000 1063.03160 1.21% - 0s 0 0 1063.28047 0 39 1076.00000 1063.28047 1.18% - 0s 0 0 1063.31634 0 51 1076.00000 1063.31634 1.18% - 0s 0 0 1063.37020 0 57 1076.00000 1063.37020 1.17% - 0s 0 0 1063.37399 0 60 1076.00000 1063.37399 1.17% - 0s 0 0 1063.50657 0 56 1076.00000 1063.50657 1.16% - 0s 0 0 1063.53040 0 57 1076.00000 1063.53040 1.16% - 0s 0 0 1063.53040 0 57 1076.00000 1063.53040 1.16% - 0s 0 0 1063.57219 0 54 1076.00000 1063.57219 1.16% - 0s 0 0 1063.59812 0 49 1076.00000 1063.59812 1.15% - 0s 0 0 1063.62976 0 52 1076.00000 1063.62976 1.15% - 0s 0 0 1063.73214 0 52 1076.00000 1063.73214 1.14% - 0s 0 0 1063.73570 0 56 1076.00000 1063.73570 1.14% - 0s 0 0 1063.73570 0 59 1076.00000 1063.73570 1.14% - 0s 0 0 1063.74532 0 53 1076.00000 1063.74532 1.14% - 0s 0 0 1063.74605 0 59 1076.00000 1063.74605 1.14% - 0s 0 0 1063.74899 0 58 1076.00000 1063.74899 1.14% - 0s 0 0 1063.74899 0 62 1076.00000 1063.74899 1.14% - 0s 0 0 1063.74899 0 60 1076.00000 1063.74899 1.14% - 0s 0 0 1063.74925 0 60 1076.00000 1063.74925 1.14% - 0s 0 0 1063.74971 0 65 1076.00000 1063.74971 1.14% - 0s 0 0 1063.76024 0 64 1076.00000 1063.76024 1.14% - 1s 0 0 1063.76152 0 63 1076.00000 1063.76152 1.14% - 1s 0 2 1063.76498 0 63 1076.00000 1063.76498 1.14% - 1s Cutting planes: Gomory: 5 Zero half: 17 Mod-K: 4 Explored 1042 nodes (9891 simplex iterations) in 3.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 11), (9, 14), (11, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 756 rows, 528 columns and 72965 nonzeros Presolve time: 0.04s Presolved: 756 rows, 528 columns, 72965 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.66667 0 44 - 1062.66667 - - 0s 0 0 1062.66667 0 44 - 1062.66667 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s H 0 0 1276.0000000 1063.00000 16.7% - 0s H 0 0 1091.0000000 1063.00000 2.57% - 0s 0 0 1063.00000 0 19 1091.00000 1063.00000 2.57% - 0s 0 0 1063.00000 0 10 1091.00000 1063.00000 2.57% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 25 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 10 1077.00000 1063.00000 1.30% - 0s 0 0 1063.11268 0 49 1077.00000 1063.11268 1.29% - 0s 0 0 1063.11722 0 55 1077.00000 1063.11722 1.29% - 0s 0 0 1063.11722 0 52 1077.00000 1063.11722 1.29% - 0s 0 0 1063.11722 0 56 1077.00000 1063.11722 1.29% - 1s 0 0 1063.11722 0 59 1077.00000 1063.11722 1.29% - 1s 0 0 1063.16580 0 47 1077.00000 1063.16580 1.28% - 1s 0 0 1063.16580 0 54 1077.00000 1063.16580 1.28% - 1s 0 0 1063.16580 0 49 1077.00000 1063.16580 1.28% - 1s 0 0 1063.16580 0 56 1077.00000 1063.16580 1.28% - 1s 0 0 1063.26886 0 62 1077.00000 1063.26886 1.27% - 1s 0 0 1063.31148 0 60 1077.00000 1063.31148 1.27% - 1s 0 0 1063.31890 0 59 1077.00000 1063.31890 1.27% - 1s 0 0 1063.32092 0 60 1077.00000 1063.32092 1.27% - 1s 0 0 1063.32092 0 63 1077.00000 1063.32092 1.27% - 1s 0 0 1063.35710 0 59 1077.00000 1063.35710 1.27% - 1s 0 0 1063.38746 0 62 1077.00000 1063.38746 1.26% - 1s 0 0 1063.41418 0 56 1077.00000 1063.41418 1.26% - 1s 0 0 1063.44196 0 64 1077.00000 1063.44196 1.26% - 1s 0 0 1063.49776 0 50 1077.00000 1063.49776 1.25% - 1s 0 0 1063.49784 0 59 1077.00000 1063.49784 1.25% - 1s 0 0 1063.49784 0 59 1077.00000 1063.49784 1.25% - 1s 0 0 1063.50000 0 10 1077.00000 1063.50000 1.25% - 1s 0 0 1063.50000 0 16 1077.00000 1063.50000 1.25% - 1s 0 0 1063.50000 0 12 1077.00000 1063.50000 1.25% - 1s 0 0 1063.50000 0 18 1077.00000 1063.50000 1.25% - 1s 0 0 1063.50000 0 14 1077.00000 1063.50000 1.25% - 1s 0 0 1063.50000 0 18 1077.00000 1063.50000 1.25% - 1s 0 0 1063.50000 0 20 1077.00000 1063.50000 1.25% - 1s 0 0 1063.50000 0 20 1077.00000 1063.50000 1.25% - 1s 0 2 1063.50175 0 20 1077.00000 1063.50175 1.25% - 2s * 484 155 16 1076.0000000 1068.00000 0.74% 9.0 3s Cutting planes: Gomory: 2 Zero half: 27 Mod-K: 1 Explored 948 nodes (9429 simplex iterations) in 3.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 13), (15, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (7, 8), (7, 9), (9, 10), (10, 11), (11, 12), (12, 14)] Optimize a model with 758 rows, 528 columns and 73079 nonzeros Presolve time: 0.04s Presolved: 758 rows, 528 columns, 73079 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.33333 0 17 - 1062.33333 - - 0s 0 0 1063.00000 0 19 - 1063.00000 - - 0s 0 0 1063.00000 0 23 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 22 - 1063.00000 - - 0s H 0 0 1306.0000000 1063.00000 18.6% - 0s H 0 0 1090.0000000 1063.00000 2.48% - 0s H 0 0 1084.0000000 1063.00000 1.94% - 0s 0 0 1063.00000 0 12 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 10 1084.00000 1063.00000 1.94% - 0s 0 0 1063.00000 0 14 1084.00000 1063.00000 1.94% - 0s H 0 0 1083.0000000 1063.00000 1.85% - 0s 0 0 1063.00000 0 18 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 16 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 20 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 15 1083.00000 1063.00000 1.85% - 0s 0 0 1063.00000 0 19 1083.00000 1063.00000 1.85% - 1s 0 0 1063.00000 0 21 1083.00000 1063.00000 1.85% - 1s 0 0 1063.00000 0 21 1083.00000 1063.00000 1.85% - 1s 0 2 1063.00000 0 21 1083.00000 1063.00000 1.85% - 1s * 121 66 54 1082.0000000 1064.00000 1.66% 5.9 2s * 179 110 58 1081.0000000 1064.50000 1.53% 6.3 2s * 215 139 35 1080.0000000 1064.54545 1.43% 6.7 2s * 297 192 27 1079.0000000 1065.22222 1.28% 6.9 2s * 316 181 34 1078.0000000 1065.22222 1.19% 6.7 2s * 318 163 32 1077.0000000 1065.22222 1.09% 6.7 2s * 1017 263 32 1076.0000000 1068.00000 0.74% 8.9 3s Cutting planes: Gomory: 3 Zero half: 3 Explored 1715 nodes (14859 simplex iterations) in 4.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(8, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 759 rows, 528 columns and 73145 nonzeros Presolve time: 0.04s Presolved: 759 rows, 528 columns, 73145 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.63158 0 44 - 1062.63158 - - 0s 0 0 1062.63158 0 48 - 1062.63158 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 17 - 1063.00000 - - 0s 0 0 1063.00000 0 19 - 1063.00000 - - 0s H 0 0 1248.0000000 1063.00000 14.8% - 0s H 0 0 1097.0000000 1063.00000 3.10% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 18 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 18 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 22 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 23 1079.00000 1063.00000 1.48% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 18 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 28 1078.00000 1063.00000 1.39% - 0s 0 0 1063.00000 0 19 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 27 1078.00000 1063.00000 1.39% - 1s 0 0 1063.00000 0 27 1078.00000 1063.00000 1.39% - 1s 0 2 1063.00000 0 27 1078.00000 1063.00000 1.39% - 1s * 37 23 34 1077.0000000 1064.33333 1.18% 10.8 1s * 1032 124 21 1076.0000000 1068.75000 0.67% 9.9 3s Cutting planes: Gomory: 3 Zero half: 2 Explored 1550 nodes (14765 simplex iterations) in 4.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(13, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 12), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 12)] Optimize a model with 761 rows, 528 columns and 73247 nonzeros Presolve time: 0.04s Presolved: 761 rows, 528 columns, 73247 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.18605 0 44 - 1062.18605 - - 0s 0 0 1062.43802 0 49 - 1062.43802 - - 0s 0 0 1062.43802 0 52 - 1062.43802 - - 0s 0 0 1062.76078 0 52 - 1062.76078 - - 0s 0 0 1063.00000 0 16 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 8 - 1063.00000 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s H 0 0 1139.0000000 1063.00000 6.67% - 0s H 0 0 1094.0000000 1063.00000 2.83% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 26 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 8 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 14 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 23 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 29 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 16 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 21 1079.00000 1063.00000 1.48% - 1s 0 0 1063.00000 0 21 1079.00000 1063.00000 1.48% - 1s H 0 0 1077.0000000 1063.00000 1.30% - 1s 0 2 1063.00000 0 21 1077.00000 1063.00000 1.30% - 1s * 1049 133 32 1076.0000000 1071.02439 0.46% 9.3 3s Cutting planes: Zero half: 1 Explored 1299 nodes (12177 simplex iterations) in 3.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 10), (9, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 762 rows, 528 columns and 73325 nonzeros Presolve time: 0.04s Presolved: 762 rows, 528 columns, 73325 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.68182 0 19 - 1062.68182 - - 0s 0 0 1062.95612 0 44 - 1062.95612 - - 0s 0 0 1062.95612 0 48 - 1062.95612 - - 0s 0 0 1062.95612 0 48 - 1062.95612 - - 0s 0 0 1062.95612 0 51 - 1062.95612 - - 0s 0 0 1063.06818 0 47 - 1063.06818 - - 0s 0 0 1063.06818 0 51 - 1063.06818 - - 0s 0 0 1063.06818 0 51 - 1063.06818 - - 0s H 0 0 1119.0000000 1063.06818 5.00% - 0s H 0 0 1082.0000000 1063.06818 1.75% - 0s H 0 0 1079.0000000 1063.06818 1.48% - 0s 0 0 1063.06818 0 54 1079.00000 1063.06818 1.48% - 0s 0 0 1063.06818 0 12 1079.00000 1063.06818 1.48% - 0s 0 0 1063.06818 0 16 1079.00000 1063.06818 1.48% - 0s 0 0 1063.13191 0 45 1079.00000 1063.13191 1.47% - 0s 0 0 1063.15045 0 53 1079.00000 1063.15045 1.47% - 0s 0 0 1063.15045 0 56 1079.00000 1063.15045 1.47% - 0s 0 0 1063.21796 0 56 1079.00000 1063.21796 1.46% - 0s 0 0 1063.21796 0 60 1079.00000 1063.21796 1.46% - 0s 0 0 1063.22493 0 51 1079.00000 1063.22493 1.46% - 0s 0 0 1063.22797 0 54 1079.00000 1063.22797 1.46% - 0s 0 0 1063.22797 0 57 1079.00000 1063.22797 1.46% - 0s 0 0 1063.24286 0 57 1079.00000 1063.24286 1.46% - 1s 0 0 1063.24286 0 60 1079.00000 1063.24286 1.46% - 1s 0 0 1063.29469 0 52 1079.00000 1063.29469 1.46% - 1s 0 0 1063.29469 0 58 1079.00000 1063.29469 1.46% - 1s 0 0 1063.29469 0 53 1079.00000 1063.29469 1.46% - 1s 0 0 1063.29469 0 57 1079.00000 1063.29469 1.46% - 1s 0 0 1063.29469 0 59 1079.00000 1063.29469 1.46% - 1s 0 0 1063.29469 0 59 1079.00000 1063.29469 1.46% - 1s 0 0 1063.29469 0 59 1079.00000 1063.29469 1.46% - 1s 0 2 1063.31126 0 59 1079.00000 1063.31126 1.45% - 1s * 25 17 22 1078.0000000 1064.75000 1.23% 13.0 1s * 38 20 34 1077.0000000 1064.75000 1.14% 10.1 2s 1487 202 cutoff 31 1077.00000 1072.00000 0.46% 8.6 5s * 1910 19 26 1076.0000000 1075.00000 0.09% 8.2 5s Cutting planes: Gomory: 4 Zero half: 6 Explored 1933 nodes (16151 simplex iterations) in 5.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.076000000000e+03, best bound 1.076000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 11), (11, 19), (15, 32), (15, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 763 rows, 528 columns and 73416 nonzeros Presolve time: 0.04s Presolved: 763 rows, 528 columns, 73416 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.22222 0 15 - 1062.22222 - - 0s 0 0 1062.60391 0 44 - 1062.60391 - - 0s 0 0 1062.74576 0 48 - 1062.74576 - - 0s 0 0 1063.00000 0 23 - 1063.00000 - - 0s 0 0 1063.00000 0 26 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 24 - 1063.00000 - - 0s 0 0 1063.00000 0 27 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s H 0 0 1080.0000000 1063.00000 1.57% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 10 1079.00000 1063.00000 1.48% - 0s 0 0 1063.10357 0 51 1079.00000 1063.10357 1.47% - 0s 0 0 1063.10357 0 57 1079.00000 1063.10357 1.47% - 0s 0 0 1063.10357 0 54 1079.00000 1063.10357 1.47% - 0s 0 0 1063.10357 0 60 1079.00000 1063.10357 1.47% - 1s 0 0 1063.15337 0 54 1079.00000 1063.15337 1.47% - 1s 0 0 1063.16164 0 56 1079.00000 1063.16164 1.47% - 1s 0 0 1063.16164 0 59 1079.00000 1063.16164 1.47% - 1s 0 0 1063.24244 0 56 1079.00000 1063.24244 1.46% - 1s 0 0 1063.26471 0 59 1079.00000 1063.26471 1.46% - 1s 0 0 1063.27705 0 62 1079.00000 1063.27705 1.46% - 1s 0 0 1063.29038 0 63 1079.00000 1063.29038 1.46% - 1s 0 0 1063.29054 0 67 1079.00000 1063.29054 1.46% - 1s 0 0 1063.31855 0 64 1079.00000 1063.31855 1.45% - 1s 0 0 1063.32310 0 66 1079.00000 1063.32310 1.45% - 1s 0 0 1063.32883 0 67 1079.00000 1063.32883 1.45% - 1s 0 0 1063.32925 0 70 1079.00000 1063.32925 1.45% - 1s 0 0 1063.32925 0 67 1079.00000 1063.32925 1.45% - 1s H 0 0 1078.0000000 1063.32925 1.36% - 1s 0 2 1063.33289 0 67 1078.00000 1063.33289 1.36% - 2s * 209 100 9 1077.0000000 1065.56466 1.06% 8.3 2s 1047 226 1074.33333 18 29 1077.00000 1069.71429 0.68% 8.6 5s Cutting planes: Gomory: 2 Zero half: 11 Mod-K: 1 Explored 1885 nodes (15165 simplex iterations) in 5.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (14, 33), (15, 16), (16, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 764 rows, 528 columns and 73507 nonzeros Presolve time: 0.04s Presolved: 764 rows, 528 columns, 73507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 20 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s H 0 0 1163.0000000 1062.00000 8.68% - 0s H 0 0 1123.0000000 1062.00000 5.43% - 0s 0 0 1062.00000 0 19 1123.00000 1062.00000 5.43% - 0s 0 0 1062.00000 0 19 1123.00000 1062.00000 5.43% - 0s H 0 0 1112.0000000 1062.00000 4.50% - 0s H 0 0 1077.0000000 1062.00000 1.39% - 0s 0 0 1062.00000 0 10 1077.00000 1062.00000 1.39% - 0s 0 0 1062.76042 0 40 1077.00000 1062.76042 1.32% - 0s 0 0 1063.23404 0 44 1077.00000 1063.23404 1.28% - 0s 0 0 1063.29372 0 47 1077.00000 1063.29372 1.27% - 0s 0 0 1063.29372 0 46 1077.00000 1063.29372 1.27% - 0s 0 0 1063.29372 0 50 1077.00000 1063.29372 1.27% - 0s 0 0 1063.29372 0 49 1077.00000 1063.29372 1.27% - 0s 0 0 1063.29372 0 52 1077.00000 1063.29372 1.27% - 0s 0 0 1063.37857 0 50 1077.00000 1063.37857 1.26% - 1s 0 0 1063.40000 0 52 1077.00000 1063.40000 1.26% - 1s 0 0 1063.41251 0 53 1077.00000 1063.41251 1.26% - 1s 0 0 1063.42172 0 54 1077.00000 1063.42172 1.26% - 1s 0 0 1063.42625 0 59 1077.00000 1063.42625 1.26% - 1s 0 0 1063.42639 0 63 1077.00000 1063.42639 1.26% - 1s 0 0 1063.42639 0 62 1077.00000 1063.42639 1.26% - 1s 0 2 1063.42744 0 62 1077.00000 1063.42744 1.26% - 1s 1880 121 cutoff 23 1077.00000 1073.80952 0.30% 8.3 5s Cutting planes: Gomory: 3 Zero half: 9 Explored 2115 nodes (17414 simplex iterations) in 5.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 14), (2, 16), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (14, 33), (15, 32), (15, 16)] Optimize a model with 765 rows, 528 columns and 73573 nonzeros Presolve time: 0.04s Presolved: 765 rows, 528 columns, 73573 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1083.0000000 1062.00000 1.94% - 0s 0 0 1062.24742 0 44 1083.00000 1062.24742 1.92% - 0s 0 0 1062.24742 0 10 1083.00000 1062.24742 1.92% - 0s 0 0 1062.55342 0 40 1083.00000 1062.55342 1.89% - 0s H 0 0 1077.0000000 1062.55342 1.34% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 16 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 15 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 17 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 18 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 19 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 20 1077.00000 1063.00000 1.30% - 0s 0 0 1063.00000 0 20 1077.00000 1063.00000 1.30% - 0s 0 2 1063.00000 0 20 1077.00000 1063.00000 1.30% - 0s Cutting planes: Gomory: 2 Explored 2544 nodes (22287 simplex iterations) in 4.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(8, 10), (10, 11), (11, 19), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 16), (6, 7), (6, 13), (7, 9), (9, 33), (12, 33), (12, 14), (15, 32), (15, 16)] Optimize a model with 767 rows, 528 columns and 73694 nonzeros Presolve time: 0.04s Presolved: 767 rows, 528 columns, 73694 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.63158 0 44 - 1062.63158 - - 0s 0 0 1062.67692 0 48 - 1062.67692 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 15 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.00000 0 18 - 1063.00000 - - 0s H 0 0 1198.0000000 1063.00000 11.3% - 0s H 0 0 1079.0000000 1063.00000 1.48% - 0s 0 0 1063.00000 0 21 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 12 1079.00000 1063.00000 1.48% - 0s 0 0 1063.00000 0 23 1079.00000 1063.00000 1.48% - 0s H 0 0 1078.0000000 1063.00000 1.39% - 0s 0 0 1063.00000 0 26 1078.00000 1063.00000 1.39% - 0s 0 0 1063.09195 0 49 1078.00000 1063.09195 1.38% - 0s 0 0 1063.09756 0 51 1078.00000 1063.09756 1.38% - 0s 0 0 1063.30435 0 43 1078.00000 1063.30435 1.36% - 0s 0 0 1063.35354 0 60 1078.00000 1063.35354 1.36% - 0s 0 0 1063.37836 0 68 1078.00000 1063.37836 1.36% - 0s 0 0 1063.40000 0 19 1078.00000 1063.40000 1.35% - 0s 0 0 1063.40774 0 66 1078.00000 1063.40774 1.35% - 0s 0 0 1063.43946 0 49 1078.00000 1063.43946 1.35% - 0s 0 0 1063.44017 0 55 1078.00000 1063.44017 1.35% - 1s 0 0 1063.44044 0 57 1078.00000 1063.44044 1.35% - 1s 0 0 1063.44044 0 61 1078.00000 1063.44044 1.35% - 1s 0 0 1063.44060 0 61 1078.00000 1063.44060 1.35% - 1s H 0 0 1077.0000000 1063.44060 1.26% - 1s 0 2 1063.44681 0 61 1077.00000 1063.44681 1.26% - 1s 1412 139 1075.33333 18 32 1077.00000 1072.75000 0.39% 8.9 5s Cutting planes: Gomory: 2 Zero half: 10 Explored 1789 nodes (15502 simplex iterations) in 5.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 28), (29, 30)] Optimize a model with 768 rows, 528 columns and 73814 nonzeros Presolve time: 0.04s Presolved: 768 rows, 528 columns, 73814 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start H 0 0 1088.0000000 1062.00000 2.39% - 0s 0 0 1062.33333 0 13 1088.00000 1062.33333 2.36% - 0s 0 0 1062.92857 0 41 1088.00000 1062.92857 2.30% - 0s 0 0 1062.92857 0 17 1088.00000 1062.92857 2.30% - 0s H 0 0 1084.0000000 1062.92857 1.94% - 0s 0 0 1063.00000 0 12 1084.00000 1063.00000 1.94% - 0s H 0 0 1077.0000000 1063.00000 1.30% - 0s 0 0 1063.00000 0 14 1077.00000 1063.00000 1.30% - 0s 0 2 1063.45455 0 14 1077.00000 1063.45455 1.26% - 0s Cutting planes: Gomory: 7 Zero half: 12 Mod-K: 1 Explored 1406 nodes (11420 simplex iterations) in 3.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(8, 10), (9, 10), (9, 12), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 769 rows, 528 columns and 73919 nonzeros Presolve time: 0.04s Presolved: 769 rows, 528 columns, 73919 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.00000 0 12 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 16 - 1062.00000 - - 0s 0 0 1062.00000 0 14 - 1062.00000 - - 0s H 0 0 1180.0000000 1062.00000 10.0% - 0s H 0 0 1096.0000000 1062.00000 3.10% - 0s 0 0 1062.00000 0 16 1096.00000 1062.00000 3.10% - 0s 0 0 1062.00000 0 16 1096.00000 1062.00000 3.10% - 0s 0 0 1062.00000 0 16 1096.00000 1062.00000 3.10% - 0s H 0 0 1083.0000000 1062.00000 1.94% - 0s 0 0 1062.00000 0 10 1083.00000 1062.00000 1.94% - 0s 0 0 1062.91773 0 43 1083.00000 1062.91773 1.85% - 0s 0 0 1062.91773 0 47 1083.00000 1062.91773 1.85% - 1s 0 0 1063.22929 0 50 1083.00000 1063.22929 1.83% - 1s 0 0 1063.22929 0 48 1083.00000 1063.22929 1.83% - 1s 0 0 1063.22929 0 51 1083.00000 1063.22929 1.83% - 1s 0 0 1063.36638 0 47 1083.00000 1063.36638 1.81% - 1s H 0 0 1079.0000000 1063.36638 1.45% - 1s 0 0 1063.36638 0 54 1079.00000 1063.36638 1.45% - 1s 0 0 1063.39230 0 43 1079.00000 1063.39230 1.45% - 1s 0 0 1063.39230 0 49 1079.00000 1063.39230 1.45% - 1s 0 0 1063.39230 0 47 1079.00000 1063.39230 1.45% - 1s 0 0 1063.39230 0 50 1079.00000 1063.39230 1.45% - 1s 0 0 1063.39775 0 52 1079.00000 1063.39775 1.45% - 1s 0 0 1063.42090 0 55 1079.00000 1063.42090 1.44% - 1s 0 0 1063.42090 0 57 1079.00000 1063.42090 1.44% - 1s 0 0 1063.42288 0 53 1079.00000 1063.42288 1.44% - 1s 0 0 1063.42315 0 58 1079.00000 1063.42315 1.44% - 1s 0 0 1063.44452 0 54 1079.00000 1063.44452 1.44% - 1s 0 0 1063.44758 0 57 1079.00000 1063.44758 1.44% - 1s 0 0 1063.44895 0 57 1079.00000 1063.44895 1.44% - 1s 0 0 1063.46036 0 56 1079.00000 1063.46036 1.44% - 1s 0 0 1063.46899 0 64 1079.00000 1063.46899 1.44% - 1s 0 0 1063.47292 0 57 1079.00000 1063.47292 1.44% - 1s 0 0 1063.48324 0 63 1079.00000 1063.48324 1.44% - 1s 0 0 1063.52134 0 58 1079.00000 1063.52134 1.43% - 1s 0 0 1063.52674 0 59 1079.00000 1063.52674 1.43% - 1s 0 0 1063.54061 0 63 1079.00000 1063.54061 1.43% - 1s 0 0 1063.54061 0 63 1079.00000 1063.54061 1.43% - 2s H 0 0 1078.0000000 1063.54061 1.34% - 2s 0 2 1063.54164 0 63 1078.00000 1063.54164 1.34% - 2s H 275 151 1077.0000000 1066.00000 1.02% 7.9 3s 632 281 1069.26316 22 44 1077.00000 1068.42857 0.80% 9.3 5s Cutting planes: Gomory: 2 Zero half: 5 Mod-K: 3 Explored 1763 nodes (14807 simplex iterations) in 6.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(7, 8), (7, 11), (11, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 770 rows, 528 columns and 73997 nonzeros Presolve time: 0.04s Presolved: 770 rows, 528 columns, 73997 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.062000e+03, 101 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1062.00000 0 10 - 1062.00000 - - 0s Another try with MIP start 0 0 1062.22010 0 43 - 1062.22010 - - 0s 0 0 1062.82826 0 48 - 1062.82826 - - 0s 0 0 1063.00000 0 20 - 1063.00000 - - 0s 0 0 1063.00000 0 21 - 1063.00000 - - 0s 0 0 1063.04852 0 53 - 1063.04852 - - 0s 0 0 1063.04852 0 56 - 1063.04852 - - 0s 0 0 1063.25314 0 54 - 1063.25314 - - 0s 0 0 1063.25516 0 57 - 1063.25516 - - 0s 0 0 1063.29066 0 58 - 1063.29066 - - 0s 0 0 1063.29098 0 62 - 1063.29098 - - 0s 0 0 1063.33658 0 59 - 1063.33658 - - 0s H 0 0 1234.0000000 1063.33658 13.8% - 0s H 0 0 1078.0000000 1063.33658 1.36% - 0s 0 0 1063.33658 0 60 1078.00000 1063.33658 1.36% - 0s 0 0 1063.33658 0 10 1078.00000 1063.33658 1.36% - 0s 0 0 1063.33658 0 46 1078.00000 1063.33658 1.36% - 0s 0 0 1063.33658 0 59 1078.00000 1063.33658 1.36% - 0s 0 0 1063.33658 0 60 1078.00000 1063.33658 1.36% - 0s 0 0 1063.34601 0 61 1078.00000 1063.34601 1.36% - 0s 0 0 1063.34601 0 62 1078.00000 1063.34601 1.36% - 0s 0 0 1063.34601 0 62 1078.00000 1063.34601 1.36% - 0s 0 0 1063.34601 0 63 1078.00000 1063.34601 1.36% - 1s 0 0 1063.35673 0 61 1078.00000 1063.35673 1.36% - 1s 0 0 1063.35673 0 64 1078.00000 1063.35673 1.36% - 1s 0 0 1063.35673 0 65 1078.00000 1063.35673 1.36% - 1s 0 0 1063.35673 0 65 1078.00000 1063.35673 1.36% - 1s 0 0 1063.35673 0 66 1078.00000 1063.35673 1.36% - 1s H 0 0 1077.0000000 1063.35673 1.27% - 1s 0 2 1063.35766 0 66 1077.00000 1063.35766 1.27% - 1s 1408 264 1071.75000 25 31 1077.00000 1070.26667 0.63% 8.8 5s Cutting planes: Gomory: 2 Zero half: 8 Mod-K: 2 Explored 2459 nodes (20523 simplex iterations) in 6.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(11, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 7), (6, 13), (7, 8), (8, 10), (9, 33), (9, 10), (12, 33), (13, 14)] Optimize a model with 772 rows, 528 columns and 74118 nonzeros Presolve time: 0.04s Presolved: 772 rows, 528 columns, 74118 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1083.0000000 1063.55556 1.80% - 0s 0 0 1064.21053 0 42 1083.00000 1064.21053 1.73% - 0s 0 0 1064.21053 0 33 1083.00000 1064.21053 1.73% - 0s 0 0 1064.21053 0 40 1083.00000 1064.21053 1.73% - 0s 0 0 1064.40118 0 47 1083.00000 1064.40118 1.72% - 0s 0 0 1064.77273 0 46 1083.00000 1064.77273 1.68% - 0s 0 0 1064.82535 0 44 1083.00000 1064.82535 1.68% - 0s 0 0 1064.82535 0 48 1083.00000 1064.82535 1.68% - 0s 0 0 1064.82535 0 44 1083.00000 1064.82535 1.68% - 0s 0 0 1064.82535 0 47 1083.00000 1064.82535 1.68% - 0s 0 0 1064.82535 0 47 1083.00000 1064.82535 1.68% - 0s 0 0 1064.82535 0 44 1083.00000 1064.82535 1.68% - 0s 0 0 1064.82535 0 47 1083.00000 1064.82535 1.68% - 0s 0 0 1064.82535 0 47 1083.00000 1064.82535 1.68% - 0s H 0 0 1079.0000000 1064.82535 1.31% - 0s 0 2 1064.86364 0 47 1079.00000 1064.86364 1.31% - 1s H 54 27 1078.0000000 1066.00000 1.11% 6.3 1s * 57 28 56 1077.0000000 1066.00000 1.02% 6.3 1s Cutting planes: Gomory: 7 Zero half: 11 Explored 1035 nodes (8125 simplex iterations) in 2.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 19), (7, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 773 rows, 528 columns and 74238 nonzeros Presolve time: 0.04s Presolved: 773 rows, 528 columns, 74238 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1096.0000000 1063.55556 2.96% - 0s 0 0 1064.21053 0 42 1096.00000 1064.21053 2.90% - 0s 0 0 1064.61538 0 49 1096.00000 1064.61538 2.86% - 0s 0 0 1065.15094 0 42 1096.00000 1065.15094 2.81% - 0s 0 0 1065.30612 0 39 1096.00000 1065.30612 2.80% - 0s 0 0 1065.30612 0 43 1096.00000 1065.30612 2.80% - 0s 0 0 1065.30612 0 42 1096.00000 1065.30612 2.80% - 0s 0 0 1065.30612 0 43 1096.00000 1065.30612 2.80% - 0s 0 0 1065.30612 0 45 1096.00000 1065.30612 2.80% - 0s H 0 0 1091.0000000 1065.30612 2.36% - 0s H 0 0 1088.0000000 1065.30612 2.09% - 0s 0 0 1065.30612 0 40 1088.00000 1065.30612 2.09% - 0s 0 0 1065.30612 0 33 1088.00000 1065.30612 2.09% - 0s 0 0 1065.30612 0 38 1088.00000 1065.30612 2.09% - 0s H 0 0 1079.0000000 1065.30612 1.27% - 0s 0 0 1065.32897 0 46 1079.00000 1065.32897 1.27% - 0s 0 2 1065.57079 0 46 1079.00000 1065.57079 1.24% - 1s H 1 2 1077.0000000 1065.57079 1.06% 2.0 1s Cutting planes: Gomory: 9 Zero half: 7 Explored 1734 nodes (14525 simplex iterations) in 4.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(12, 33), (12, 13), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 16), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 14), (15, 32), (15, 16)] Optimize a model with 775 rows, 528 columns and 74359 nonzeros Presolve time: 0.04s Presolved: 775 rows, 528 columns, 74359 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1083.0000000 1063.55556 1.80% - 0s 0 0 1064.23333 0 42 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 33 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 41 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 45 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 43 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 47 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 42 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 46 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 49 1083.00000 1064.23333 1.73% - 0s 0 0 1064.30556 0 46 1083.00000 1064.30556 1.73% - 0s H 0 0 1078.0000000 1064.30556 1.27% - 0s 0 0 1064.30556 0 52 1078.00000 1064.30556 1.27% - 0s 0 0 1064.40000 0 40 1078.00000 1064.40000 1.26% - 0s 0 0 1064.40909 0 47 1078.00000 1064.40909 1.26% - 0s 0 0 1064.40909 0 47 1078.00000 1064.40909 1.26% - 0s 0 0 1064.40909 0 46 1078.00000 1064.40909 1.26% - 0s 0 0 1064.40909 0 49 1078.00000 1064.40909 1.26% - 0s 0 0 1064.40909 0 49 1078.00000 1064.40909 1.26% - 1s 0 0 1064.40909 0 48 1078.00000 1064.40909 1.26% - 1s 0 0 1064.40909 0 49 1078.00000 1064.40909 1.26% - 1s 0 0 1064.40909 0 49 1078.00000 1064.40909 1.26% - 1s 0 2 1064.50000 0 49 1078.00000 1064.50000 1.25% - 1s * 204 106 28 1077.0000000 1066.07143 1.01% 7.2 2s Cutting planes: Gomory: 1 Zero half: 2 Explored 1548 nodes (11652 simplex iterations) in 4.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 16), (6, 7), (7, 9), (9, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 776 rows, 528 columns and 74479 nonzeros Presolve time: 0.04s Presolved: 776 rows, 528 columns, 74479 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1064.23333 0 42 1087.00000 1064.23333 2.09% - 0s 0 0 1064.23333 0 33 1087.00000 1064.23333 2.09% - 0s 0 0 1064.27907 0 40 1087.00000 1064.27907 2.09% - 0s 0 0 1064.65306 0 45 1087.00000 1064.65306 2.06% - 0s 0 0 1065.00000 0 31 1087.00000 1065.00000 2.02% - 0s 0 0 1065.00000 0 43 1087.00000 1065.00000 2.02% - 0s 0 0 1065.00000 0 42 1087.00000 1065.00000 2.02% - 0s H 0 0 1084.0000000 1065.00000 1.75% - 0s H 0 0 1080.0000000 1065.00000 1.39% - 0s 0 0 1065.00000 0 37 1080.00000 1065.00000 1.39% - 0s 0 0 1065.00000 0 44 1080.00000 1065.00000 1.39% - 0s 0 0 1065.00000 0 44 1080.00000 1065.00000 1.39% - 0s H 0 0 1078.0000000 1065.00000 1.21% - 0s 0 0 1065.00000 0 40 1078.00000 1065.00000 1.21% - 0s 0 2 1065.35294 0 37 1078.00000 1065.35294 1.17% - 1s H 21 14 1077.0000000 1066.00000 1.02% 48.0 2s Cutting planes: Gomory: 8 Zero half: 2 Explored 1190 nodes (11317 simplex iterations) in 4.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(15, 32), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 777 rows, 528 columns and 74545 nonzeros Presolve time: 0.04s Presolved: 777 rows, 528 columns, 74545 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1083.0000000 1063.55556 1.80% - 0s 0 0 1064.23333 0 42 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 33 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 41 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 45 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 43 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 46 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 42 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 46 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 48 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 51 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 51 1083.00000 1064.23333 1.73% - 0s H 0 0 1078.0000000 1064.23333 1.28% - 0s 0 2 1064.25000 0 51 1078.00000 1064.25000 1.28% - 0s * 79 36 29 1077.0000000 1066.00000 1.02% 8.4 1s Cutting planes: Gomory: 1 Zero half: 7 Explored 938 nodes (7352 simplex iterations) in 2.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(7, 9), (7, 12), (9, 11), (11, 19), (12, 13), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 778 rows, 528 columns and 74636 nonzeros Presolve time: 0.04s Presolved: 778 rows, 528 columns, 74636 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 118 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1083.0000000 1063.55556 1.80% - 0s 0 0 1064.23333 0 41 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 33 1083.00000 1064.23333 1.73% - 0s 0 0 1064.23333 0 41 1083.00000 1064.23333 1.73% - 0s 0 0 1064.60714 0 47 1083.00000 1064.60714 1.70% - 0s 0 0 1065.20000 0 41 1083.00000 1065.20000 1.64% - 0s 0 0 1065.20000 0 46 1083.00000 1065.20000 1.64% - 0s 0 0 1065.20000 0 31 1083.00000 1065.20000 1.64% - 0s 0 0 1065.20000 0 48 1083.00000 1065.20000 1.64% - 0s 0 0 1065.20000 0 45 1083.00000 1065.20000 1.64% - 0s 0 0 1065.20000 0 44 1083.00000 1065.20000 1.64% - 0s H 0 0 1077.0000000 1065.20000 1.10% - 0s 0 0 1065.20000 0 48 1077.00000 1065.20000 1.10% - 0s 0 0 1065.20000 0 48 1077.00000 1065.20000 1.10% - 0s 0 0 1065.20000 0 47 1077.00000 1065.20000 1.10% - 0s 0 0 1065.20000 0 50 1077.00000 1065.20000 1.10% - 1s 0 0 1065.20000 0 48 1077.00000 1065.20000 1.10% - 1s 0 2 1065.20000 0 47 1077.00000 1065.20000 1.10% - 1s Cutting planes: Gomory: 2 Zero half: 1 Explored 2314 nodes (15945 simplex iterations) in 4.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 33), (10, 33), (10, 11), (11, 19), (15, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 779 rows, 528 columns and 74756 nonzeros Presolve time: 0.04s Presolved: 779 rows, 528 columns, 74756 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1082.0000000 1063.55556 1.70% - 0s 0 0 1064.19048 0 43 1082.00000 1064.19048 1.65% - 0s 0 0 1064.19048 0 33 1082.00000 1064.19048 1.65% - 0s 0 0 1064.30357 0 46 1082.00000 1064.30357 1.64% - 0s 0 0 1065.00000 0 31 1082.00000 1065.00000 1.57% - 0s 0 0 1065.00000 0 30 1082.00000 1065.00000 1.57% - 0s 0 0 1065.00000 0 24 1082.00000 1065.00000 1.57% - 0s 0 0 1065.00000 0 29 1082.00000 1065.00000 1.57% - 0s 0 0 1065.00000 0 29 1082.00000 1065.00000 1.57% - 0s 0 0 1065.00000 0 32 1082.00000 1065.00000 1.57% - 0s 0 0 1065.00000 0 30 1082.00000 1065.00000 1.57% - 0s H 0 0 1078.0000000 1065.00000 1.21% - 0s 0 0 1065.00000 0 20 1078.00000 1065.00000 1.21% - 0s 0 0 1065.00000 0 24 1078.00000 1065.00000 1.21% - 0s 0 0 1065.00000 0 24 1078.00000 1065.00000 1.21% - 0s 0 2 1065.00000 0 23 1078.00000 1065.00000 1.21% - 1s H 33 21 1077.0000000 1066.14286 1.01% 10.0 1s Cutting planes: Gomory: 3 Explored 1578 nodes (13735 simplex iterations) in 4.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (10, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 780 rows, 528 columns and 74861 nonzeros Presolve time: 0.04s Presolved: 780 rows, 528 columns, 74861 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1064.19048 0 43 1087.00000 1064.19048 2.10% - 0s 0 0 1064.19048 0 33 1087.00000 1064.19048 2.10% - 0s 0 0 1064.19048 0 41 1087.00000 1064.19048 2.10% - 0s 0 0 1064.20000 0 48 1087.00000 1064.20000 2.10% - 0s 0 0 1064.20000 0 46 1087.00000 1064.20000 2.10% - 0s 0 0 1064.20000 0 53 1087.00000 1064.20000 2.10% - 0s 0 0 1064.20000 0 50 1087.00000 1064.20000 2.10% - 0s 0 0 1064.20000 0 50 1087.00000 1064.20000 2.10% - 0s 0 0 1064.20000 0 53 1087.00000 1064.20000 2.10% - 0s 0 0 1064.25000 0 54 1087.00000 1064.25000 2.09% - 0s 0 0 1064.27232 0 55 1087.00000 1064.27232 2.09% - 0s 0 0 1064.33333 0 42 1087.00000 1064.33333 2.09% - 0s 0 0 1064.33333 0 46 1087.00000 1064.33333 2.09% - 0s 0 0 1064.33333 0 48 1087.00000 1064.33333 2.09% - 0s H 0 0 1084.0000000 1064.33333 1.81% - 0s 0 0 1064.33333 0 45 1084.00000 1064.33333 1.81% - 0s 0 0 1064.33333 0 51 1084.00000 1064.33333 1.81% - 1s 0 0 1064.33333 0 46 1084.00000 1064.33333 1.81% - 1s 0 0 1064.33333 0 49 1084.00000 1064.33333 1.81% - 1s 0 0 1064.33333 0 49 1084.00000 1064.33333 1.81% - 1s 0 2 1064.33333 0 49 1084.00000 1064.33333 1.81% - 1s H 81 35 1079.0000000 1066.45455 1.16% 6.5 1s * 122 61 15 1077.0000000 1066.62500 0.96% 6.8 2s Cutting planes: Gomory: 3 Zero half: 4 Explored 1771 nodes (15188 simplex iterations) in 4.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 13), (10, 11), (11, 19), (17, 29), (17, 30), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26), (26, 28), (28, 29)] Optimize a model with 781 rows, 528 columns and 74981 nonzeros Presolve time: 0.04s Presolved: 781 rows, 528 columns, 74981 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1078.0000000 1063.55556 1.34% - 0s 0 0 1064.19048 0 43 1078.00000 1064.19048 1.28% - 0s 0 0 1064.19048 0 35 1078.00000 1064.19048 1.28% - 0s 0 0 1064.19048 0 43 1078.00000 1064.19048 1.28% - 0s 0 0 1065.09677 0 48 1078.00000 1065.09677 1.20% - 0s 0 0 1066.00000 0 16 1078.00000 1066.00000 1.11% - 0s 0 0 1066.00000 0 20 1078.00000 1066.00000 1.11% - 0s 0 0 1066.00000 0 20 1078.00000 1066.00000 1.11% - 0s 0 0 1066.00000 0 22 1078.00000 1066.00000 1.11% - 0s 0 0 1066.00000 0 25 1078.00000 1066.00000 1.11% - 0s 0 0 1066.00000 0 20 1078.00000 1066.00000 1.11% - 0s 0 2 1066.00000 0 20 1078.00000 1066.00000 1.11% - 0s H 27 16 1077.0000000 1066.42391 0.98% 10.1 1s Cutting planes: Gomory: 3 Explored 1501 nodes (12915 simplex iterations) in 3.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 12), (10, 11), (11, 19), (12, 13), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26), (26, 28), (28, 29)] Optimize a model with 782 rows, 528 columns and 75117 nonzeros Presolve time: 0.04s Presolved: 782 rows, 528 columns, 75117 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1078.0000000 1063.55556 1.34% - 0s 0 0 1064.19048 0 43 1078.00000 1064.19048 1.28% - 0s 0 0 1064.19048 0 35 1078.00000 1064.19048 1.28% - 0s 0 0 1064.25000 0 45 1078.00000 1064.25000 1.28% - 0s 0 0 1064.67442 0 45 1078.00000 1064.67442 1.24% - 0s 0 0 1064.77215 0 48 1078.00000 1064.77215 1.23% - 0s 0 0 1064.77215 0 48 1078.00000 1064.77215 1.23% - 0s 0 0 1064.77215 0 51 1078.00000 1064.77215 1.23% - 0s 0 0 1064.81818 0 45 1078.00000 1064.81818 1.22% - 0s 0 0 1064.81818 0 49 1078.00000 1064.81818 1.22% - 0s 0 0 1064.81818 0 49 1078.00000 1064.81818 1.22% - 0s 0 0 1064.81818 0 52 1078.00000 1064.81818 1.22% - 0s 0 0 1064.82692 0 45 1078.00000 1064.82692 1.22% - 0s 0 0 1064.82692 0 48 1078.00000 1064.82692 1.22% - 0s 0 0 1064.84940 0 52 1078.00000 1064.84940 1.22% - 0s 0 0 1064.84940 0 54 1078.00000 1064.84940 1.22% - 0s 0 0 1064.84940 0 55 1078.00000 1064.84940 1.22% - 0s 0 2 1064.87500 0 54 1078.00000 1064.87500 1.22% - 1s * 70 37 9 1077.0000000 1066.53797 0.97% 7.2 1s Cutting planes: Gomory: 3 Zero half: 4 Explored 1473 nodes (11931 simplex iterations) in 4.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (9, 10), (9, 19), (15, 16), (16, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 783 rows, 528 columns and 75222 nonzeros Presolve time: 0.04s Presolved: 783 rows, 528 columns, 75222 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1083.0000000 1063.55556 1.80% - 0s 0 0 1064.19048 0 43 1083.00000 1064.19048 1.74% - 0s 0 0 1064.19048 0 33 1083.00000 1064.19048 1.74% - 0s 0 0 1064.25000 0 45 1083.00000 1064.25000 1.73% - 0s 0 0 1065.06250 0 42 1083.00000 1065.06250 1.66% - 0s 0 0 1065.13333 0 46 1083.00000 1065.13333 1.65% - 0s 0 0 1065.13333 0 45 1083.00000 1065.13333 1.65% - 0s 0 0 1065.13333 0 49 1083.00000 1065.13333 1.65% - 0s 0 0 1065.13333 0 44 1083.00000 1065.13333 1.65% - 0s H 0 0 1080.0000000 1065.13333 1.38% - 0s 0 0 1065.13333 0 46 1080.00000 1065.13333 1.38% - 0s 0 0 1065.13333 0 50 1080.00000 1065.13333 1.38% - 0s 0 0 1065.13953 0 44 1080.00000 1065.13953 1.38% - 0s 0 0 1065.13953 0 48 1080.00000 1065.13953 1.38% - 0s 0 0 1065.13953 0 47 1080.00000 1065.13953 1.38% - 0s 0 0 1065.13953 0 49 1080.00000 1065.13953 1.38% - 0s 0 0 1065.13953 0 52 1080.00000 1065.13953 1.38% - 0s 0 0 1065.13953 0 47 1080.00000 1065.13953 1.38% - 0s 0 0 1065.13953 0 49 1080.00000 1065.13953 1.38% - 1s 0 0 1065.13953 0 49 1080.00000 1065.13953 1.38% - 1s H 0 0 1079.0000000 1065.13953 1.28% - 1s H 0 0 1078.0000000 1065.13953 1.19% - 1s 0 2 1065.27273 0 49 1078.00000 1065.27273 1.18% - 1s * 49 25 46 1077.0000000 1066.50000 0.97% 7.1 1s Cutting planes: Gomory: 2 Zero half: 16 Explored 962 nodes (7547 simplex iterations) in 3.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 12), (12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 784 rows, 528 columns and 75342 nonzeros Presolve time: 0.04s Presolved: 784 rows, 528 columns, 75342 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1097.0000000 1063.55556 3.05% - 0s 0 0 1064.19048 0 43 1097.00000 1064.19048 2.99% - 0s 0 0 1065.09677 0 44 1097.00000 1065.09677 2.91% - 0s 0 0 1066.00000 0 33 1097.00000 1066.00000 2.83% - 0s 0 0 1066.00000 0 16 1097.00000 1066.00000 2.83% - 0s 0 0 1066.00000 0 20 1097.00000 1066.00000 2.83% - 0s 0 0 1066.00000 0 20 1097.00000 1066.00000 2.83% - 0s 0 0 1066.00000 0 22 1097.00000 1066.00000 2.83% - 0s H 0 0 1086.0000000 1066.00000 1.84% - 0s 0 0 1066.00000 0 22 1086.00000 1066.00000 1.84% - 0s 0 0 1066.00000 0 35 1086.00000 1066.00000 1.84% - 0s 0 0 1066.00000 0 48 1086.00000 1066.00000 1.84% - 0s H 0 0 1082.0000000 1066.00000 1.48% - 0s 0 0 1066.00000 0 37 1082.00000 1066.00000 1.48% - 0s 0 0 1066.00000 0 16 1082.00000 1066.00000 1.48% - 0s 0 0 1066.00000 0 20 1082.00000 1066.00000 1.48% - 0s 0 0 1066.00000 0 20 1082.00000 1066.00000 1.48% - 0s 0 0 1066.00000 0 23 1082.00000 1066.00000 1.48% - 0s H 0 0 1079.0000000 1066.00000 1.20% - 0s 0 0 1066.00000 0 39 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 39 1079.00000 1066.00000 1.20% - 1s 0 2 1066.00000 0 39 1079.00000 1066.00000 1.20% - 1s H 27 23 1078.0000000 1066.42222 1.07% 16.2 1s * 85 56 26 1077.0000000 1066.60870 0.96% 8.8 1s 1442 162 1073.33800 26 34 1077.00000 1072.45455 0.42% 8.8 5s Cutting planes: Gomory: 6 Zero half: 1 Explored 1976 nodes (17234 simplex iterations) in 5.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(11, 12), (11, 19), (12, 13), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 16), (6, 7), (7, 8), (8, 10), (9, 33), (9, 10), (14, 33), (15, 32), (15, 16)] Optimize a model with 786 rows, 528 columns and 75463 nonzeros Presolve time: 0.04s Presolved: 786 rows, 528 columns, 75463 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1083.0000000 1063.55556 1.80% - 0s 0 0 1064.19048 0 43 1083.00000 1064.19048 1.74% - 0s 0 0 1064.19048 0 33 1083.00000 1064.19048 1.74% - 0s 0 0 1064.25000 0 45 1083.00000 1064.25000 1.73% - 0s 0 0 1065.06250 0 42 1083.00000 1065.06250 1.66% - 0s 0 0 1065.13333 0 46 1083.00000 1065.13333 1.65% - 0s 0 0 1065.13333 0 45 1083.00000 1065.13333 1.65% - 0s 0 0 1065.13333 0 49 1083.00000 1065.13333 1.65% - 0s 0 0 1065.13333 0 44 1083.00000 1065.13333 1.65% - 0s 0 0 1065.13333 0 46 1083.00000 1065.13333 1.65% - 0s 0 0 1065.13333 0 51 1083.00000 1065.13333 1.65% - 0s H 0 0 1080.0000000 1065.13333 1.38% - 0s 0 0 1065.13333 0 47 1080.00000 1065.13333 1.38% - 0s 0 0 1065.13333 0 46 1080.00000 1065.13333 1.38% - 0s 0 0 1065.13333 0 49 1080.00000 1065.13333 1.38% - 0s 0 0 1065.13333 0 47 1080.00000 1065.13333 1.38% - 1s 0 2 1065.25000 0 47 1080.00000 1065.25000 1.37% - 1s H 27 20 1077.0000000 1066.19512 1.00% 6.9 1s Cutting planes: Gomory: 3 Zero half: 24 Explored 1254 nodes (9916 simplex iterations) in 3.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(12, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 32), (2, 14), (6, 8), (7, 8), (7, 9), (9, 10), (10, 11), (11, 33), (13, 33), (13, 14)] Optimize a model with 788 rows, 528 columns and 75584 nonzeros Presolve time: 0.04s Presolved: 788 rows, 528 columns, 75584 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1096.0000000 1063.55556 2.96% - 0s 0 0 1064.25000 0 45 1096.00000 1064.25000 2.90% - 0s 0 0 1064.25000 0 46 1096.00000 1064.25000 2.90% - 0s 0 0 1064.25000 0 49 1096.00000 1064.25000 2.90% - 0s 0 0 1064.25000 0 49 1096.00000 1064.25000 2.90% - 0s 0 0 1064.33030 0 55 1096.00000 1064.33030 2.89% - 0s 0 0 1064.33030 0 54 1096.00000 1064.33030 2.89% - 0s 0 0 1064.33030 0 57 1096.00000 1064.33030 2.89% - 0s 0 0 1064.50000 0 43 1096.00000 1064.50000 2.87% - 0s H 0 0 1090.0000000 1064.50000 2.34% - 0s H 0 0 1080.0000000 1064.50000 1.44% - 0s 0 0 1064.50000 0 45 1080.00000 1064.50000 1.44% - 0s 0 0 1064.50000 0 33 1080.00000 1064.50000 1.44% - 0s 0 0 1064.50000 0 41 1080.00000 1064.50000 1.44% - 0s 0 0 1064.51429 0 44 1080.00000 1064.51429 1.43% - 0s 0 0 1064.51429 0 44 1080.00000 1064.51429 1.43% - 0s 0 0 1064.51429 0 47 1080.00000 1064.51429 1.43% - 0s 0 0 1064.55172 0 46 1080.00000 1064.55172 1.43% - 0s H 0 0 1079.0000000 1064.55172 1.34% - 0s 0 0 1064.55172 0 50 1079.00000 1064.55172 1.34% - 0s 0 0 1064.55172 0 51 1079.00000 1064.55172 1.34% - 1s 0 0 1064.55172 0 54 1079.00000 1064.55172 1.34% - 1s 0 0 1064.65537 0 48 1079.00000 1064.65537 1.33% - 1s 0 0 1064.65684 0 57 1079.00000 1064.65684 1.33% - 1s 0 0 1064.65684 0 59 1079.00000 1064.65684 1.33% - 1s 0 0 1064.65684 0 54 1079.00000 1064.65684 1.33% - 1s 0 0 1064.65684 0 61 1079.00000 1064.65684 1.33% - 1s 0 0 1064.65684 0 60 1079.00000 1064.65684 1.33% - 1s 0 0 1064.77778 0 38 1079.00000 1064.77778 1.32% - 1s 0 0 1064.77778 0 45 1079.00000 1064.77778 1.32% - 1s 0 0 1064.77778 0 44 1079.00000 1064.77778 1.32% - 1s 0 0 1064.77778 0 46 1079.00000 1064.77778 1.32% - 1s 0 0 1064.77778 0 45 1079.00000 1064.77778 1.32% - 1s 0 0 1064.77778 0 46 1079.00000 1064.77778 1.32% - 1s 0 0 1064.77778 0 46 1079.00000 1064.77778 1.32% - 1s 0 0 1064.77778 0 46 1079.00000 1064.77778 1.32% - 1s 0 2 1064.77941 0 46 1079.00000 1064.77941 1.32% - 2s * 41 21 36 1077.0000000 1066.00000 1.02% 10.8 2s 1172 104 1073.00000 35 31 1077.00000 1073.00000 0.37% 8.2 5s Cutting planes: Gomory: 2 Zero half: 6 Explored 1488 nodes (11867 simplex iterations) in 5.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 10), (7, 11), (10, 19), (11, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 789 rows, 528 columns and 75720 nonzeros Presolve time: 0.04s Presolved: 789 rows, 528 columns, 75720 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1095.0000000 1063.55556 2.87% - 0s 0 0 1064.25000 0 45 1095.00000 1064.25000 2.81% - 0s 0 0 1064.25000 0 46 1095.00000 1064.25000 2.81% - 0s 0 0 1064.25000 0 49 1095.00000 1064.25000 2.81% - 0s 0 0 1064.25000 0 49 1095.00000 1064.25000 2.81% - 0s H 0 0 1080.0000000 1064.25000 1.46% - 0s 0 0 1064.32000 0 50 1080.00000 1064.32000 1.45% - 0s 0 0 1064.32000 0 33 1080.00000 1064.32000 1.45% - 0s 0 0 1064.32000 0 49 1080.00000 1064.32000 1.45% - 0s 0 0 1064.37473 0 54 1080.00000 1064.37473 1.45% - 0s 0 0 1064.38532 0 55 1080.00000 1064.38532 1.45% - 0s 0 0 1064.38532 0 57 1080.00000 1064.38532 1.45% - 0s 0 0 1064.42879 0 51 1080.00000 1064.42879 1.44% - 0s 0 0 1064.44136 0 53 1080.00000 1064.44136 1.44% - 0s 0 0 1064.44136 0 57 1080.00000 1064.44136 1.44% - 0s 0 0 1064.44136 0 56 1080.00000 1064.44136 1.44% - 0s 0 0 1064.44136 0 59 1080.00000 1064.44136 1.44% - 0s 0 0 1064.59091 0 55 1080.00000 1064.59091 1.43% - 0s 0 0 1064.60870 0 56 1080.00000 1064.60870 1.43% - 0s 0 0 1064.63265 0 51 1080.00000 1064.63265 1.42% - 0s 0 0 1064.63265 0 52 1080.00000 1064.63265 1.42% - 0s 0 0 1064.63265 0 57 1080.00000 1064.63265 1.42% - 1s 0 0 1064.73911 0 59 1080.00000 1064.73911 1.41% - 1s 0 0 1064.74255 0 63 1080.00000 1064.74255 1.41% - 1s 0 0 1064.74255 0 65 1080.00000 1064.74255 1.41% - 1s 0 0 1064.81884 0 63 1080.00000 1064.81884 1.41% - 1s 0 0 1064.81884 0 62 1080.00000 1064.81884 1.41% - 1s 0 0 1064.81884 0 65 1080.00000 1064.81884 1.41% - 1s 0 0 1064.81884 0 65 1080.00000 1064.81884 1.41% - 1s 0 0 1064.82522 0 66 1080.00000 1064.82522 1.41% - 1s 0 0 1064.86391 0 65 1080.00000 1064.86391 1.40% - 1s 0 0 1064.86391 0 68 1080.00000 1064.86391 1.40% - 1s 0 0 1064.88333 0 62 1080.00000 1064.88333 1.40% - 1s 0 0 1064.88333 0 64 1080.00000 1064.88333 1.40% - 1s 0 0 1064.92362 0 64 1080.00000 1064.92362 1.40% - 1s 0 0 1064.93382 0 66 1080.00000 1064.93382 1.40% - 1s 0 0 1064.99009 0 66 1080.00000 1064.99009 1.39% - 1s 0 0 1065.05096 0 64 1080.00000 1065.05096 1.38% - 1s 0 0 1065.06825 0 64 1080.00000 1065.06825 1.38% - 1s 0 0 1065.06825 0 64 1080.00000 1065.06825 1.38% - 1s 0 0 1065.06825 0 63 1080.00000 1065.06825 1.38% - 1s 0 2 1065.09630 0 63 1080.00000 1065.09630 1.38% - 2s * 72 50 31 1078.0000000 1066.78972 1.04% 9.4 2s * 77 47 36 1077.0000000 1066.78972 0.95% 9.2 2s Cutting planes: Gomory: 2 Zero half: 24 Mod-K: 8 Explored 1286 nodes (11358 simplex iterations) in 4.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 11), (6, 14), (11, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 790 rows, 528 columns and 75825 nonzeros Presolve time: 0.04s Presolved: 790 rows, 528 columns, 75825 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1064.25000 0 46 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 35 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 49 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 47 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 50 1087.00000 1064.25000 2.09% - 0s 0 0 1064.32051 0 54 1087.00000 1064.32051 2.09% - 0s 0 0 1064.42857 0 55 1087.00000 1064.42857 2.08% - 0s 0 0 1064.46154 0 54 1087.00000 1064.46154 2.07% - 0s 0 0 1064.46154 0 54 1087.00000 1064.46154 2.07% - 0s 0 0 1064.46178 0 51 1087.00000 1064.46178 2.07% - 0s 0 0 1064.46667 0 48 1087.00000 1064.46667 2.07% - 0s 0 0 1064.47183 0 57 1087.00000 1064.47183 2.07% - 0s 0 0 1064.47183 0 57 1087.00000 1064.47183 2.07% - 0s 0 0 1064.47183 0 57 1087.00000 1064.47183 2.07% - 0s 0 0 1064.47183 0 57 1087.00000 1064.47183 2.07% - 0s 0 0 1064.47183 0 57 1087.00000 1064.47183 2.07% - 1s H 0 0 1082.0000000 1064.47183 1.62% - 1s H 0 0 1080.0000000 1064.47183 1.44% - 1s 0 2 1064.48658 0 56 1080.00000 1064.48658 1.44% - 1s * 71 44 25 1079.0000000 1066.25000 1.18% 9.1 1s * 80 39 17 1077.0000000 1067.13333 0.92% 9.1 1s Cutting planes: Gomory: 1 Zero half: 7 Explored 1482 nodes (11645 simplex iterations) in 4.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 9), (8, 10), (8, 12), (9, 10), (11, 33), (11, 19), (12, 33), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 791 rows, 528 columns and 75961 nonzeros Presolve time: 0.04s Presolved: 791 rows, 528 columns, 75961 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1064.25000 0 45 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 35 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 49 1087.00000 1064.25000 2.09% - 0s H 0 0 1084.0000000 1064.25000 1.82% - 0s 0 0 1064.25000 0 47 1084.00000 1064.25000 1.82% - 0s 0 0 1064.25000 0 50 1084.00000 1064.25000 1.82% - 0s 0 0 1064.32051 0 54 1084.00000 1064.32051 1.82% - 0s 0 0 1064.32051 0 55 1084.00000 1064.32051 1.82% - 0s 0 0 1064.42105 0 50 1084.00000 1064.42105 1.81% - 0s 0 0 1064.42105 0 54 1084.00000 1064.42105 1.81% - 0s 0 0 1064.47253 0 56 1084.00000 1064.47253 1.80% - 0s 0 0 1064.47368 0 54 1084.00000 1064.47368 1.80% - 0s 0 0 1064.47489 0 61 1084.00000 1064.47489 1.80% - 0s 0 0 1064.50324 0 60 1084.00000 1064.50324 1.80% - 0s 0 0 1064.53148 0 62 1084.00000 1064.53148 1.80% - 0s 0 0 1064.53148 0 60 1084.00000 1064.53148 1.80% - 0s 0 0 1064.53148 0 63 1084.00000 1064.53148 1.80% - 0s 0 0 1064.54518 0 61 1084.00000 1064.54518 1.79% - 0s H 0 0 1082.0000000 1064.54518 1.61% - 1s H 0 0 1078.0000000 1064.54518 1.25% - 1s 0 2 1064.55283 0 61 1078.00000 1064.55283 1.25% - 1s H 47 21 1077.0000000 1066.10000 1.01% 8.4 1s Cutting planes: Gomory: 1 Zero half: 9 Explored 1524 nodes (11363 simplex iterations) in 4.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 33), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (9, 10), (9, 12), (10, 11), (11, 14), (12, 13), (15, 32)] Optimize a model with 793 rows, 528 columns and 76088 nonzeros Presolve time: 0.04s Presolved: 793 rows, 528 columns, 76088 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start 0 0 1064.25000 0 45 - 1064.25000 - - 0s 0 0 1064.25000 0 46 - 1064.25000 - - 0s 0 0 1064.25000 0 49 - 1064.25000 - - 0s 0 0 1064.25000 0 46 - 1064.25000 - - 0s 0 0 1064.25000 0 49 - 1064.25000 - - 0s 0 0 1064.32584 0 49 - 1064.32584 - - 0s 0 0 1064.32911 0 57 - 1064.32911 - - 0s 0 0 1064.50000 0 43 - 1064.50000 - - 0s 0 0 1064.50000 0 47 - 1064.50000 - - 0s 0 0 1064.50000 0 45 - 1064.50000 - - 0s H 0 0 1078.0000000 1064.50000 1.25% - 0s 0 0 1064.50000 0 52 1078.00000 1064.50000 1.25% - 0s 0 0 1064.50000 0 35 1078.00000 1064.50000 1.25% - 0s 0 0 1064.61983 0 54 1078.00000 1064.61983 1.24% - 0s 0 0 1064.61983 0 58 1078.00000 1064.61983 1.24% - 0s 0 0 1064.62049 0 59 1078.00000 1064.62049 1.24% - 0s 0 0 1064.62524 0 60 1078.00000 1064.62524 1.24% - 0s 0 0 1064.62524 0 60 1078.00000 1064.62524 1.24% - 0s 0 0 1064.62524 0 60 1078.00000 1064.62524 1.24% - 1s 0 2 1064.65543 0 60 1078.00000 1064.65543 1.24% - 1s * 92 43 9 1077.0000000 1067.00000 0.93% 9.9 1s Cutting planes: Gomory: 2 Zero half: 6 Explored 1608 nodes (12391 simplex iterations) in 4.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 9), (9, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (10, 33), (10, 11), (11, 14), (12, 33), (12, 13), (15, 32)] Optimize a model with 795 rows, 528 columns and 76215 nonzeros Presolve time: 0.04s Presolved: 795 rows, 528 columns, 76215 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start 0 0 1064.25000 0 45 - 1064.25000 - - 0s 0 0 1064.25000 0 46 - 1064.25000 - - 0s 0 0 1064.25000 0 49 - 1064.25000 - - 0s 0 0 1064.25000 0 49 - 1064.25000 - - 0s 0 0 1064.32727 0 51 - 1064.32727 - - 0s 0 0 1064.32727 0 54 - 1064.32727 - - 0s 0 0 1064.32727 0 55 - 1064.32727 - - 0s 0 0 1064.32727 0 57 - 1064.32727 - - 0s H 0 0 1126.0000000 1064.32727 5.48% - 0s H 0 0 1089.0000000 1064.32727 2.27% - 0s H 0 0 1080.0000000 1064.32727 1.45% - 0s 0 0 1064.50000 0 42 1080.00000 1064.50000 1.44% - 0s 0 0 1064.50000 0 35 1080.00000 1064.50000 1.44% - 0s 0 0 1064.57292 0 46 1080.00000 1064.57292 1.43% - 0s 0 0 1064.57292 0 52 1080.00000 1064.57292 1.43% - 0s 0 0 1064.57292 0 50 1080.00000 1064.57292 1.43% - 0s 0 0 1064.57292 0 50 1080.00000 1064.57292 1.43% - 0s 0 0 1064.57292 0 50 1080.00000 1064.57292 1.43% - 1s 0 0 1064.57292 0 53 1080.00000 1064.57292 1.43% - 1s 0 0 1064.61111 0 46 1080.00000 1064.61111 1.42% - 1s 0 0 1064.61111 0 53 1080.00000 1064.61111 1.42% - 1s 0 0 1064.72727 0 54 1080.00000 1064.72727 1.41% - 1s 0 0 1064.72727 0 58 1080.00000 1064.72727 1.41% - 1s 0 0 1064.72727 0 58 1080.00000 1064.72727 1.41% - 1s 0 0 1064.72727 0 61 1080.00000 1064.72727 1.41% - 1s 0 0 1064.87500 0 44 1080.00000 1064.87500 1.40% - 1s 0 0 1064.88889 0 42 1080.00000 1064.88889 1.40% - 1s 0 0 1064.88889 0 45 1080.00000 1064.88889 1.40% - 1s 0 0 1064.93617 0 46 1080.00000 1064.93617 1.39% - 1s 0 0 1064.93700 0 59 1080.00000 1064.93700 1.39% - 1s 0 0 1064.93700 0 58 1080.00000 1064.93700 1.39% - 1s 0 0 1065.05882 0 46 1080.00000 1065.05882 1.38% - 1s 0 0 1065.05932 0 57 1080.00000 1065.05932 1.38% - 1s 0 0 1065.05932 0 58 1080.00000 1065.05932 1.38% - 1s 0 0 1065.05932 0 60 1080.00000 1065.05932 1.38% - 1s 0 0 1065.09259 0 63 1080.00000 1065.09259 1.38% - 1s 0 0 1065.09259 0 66 1080.00000 1065.09259 1.38% - 1s 0 0 1065.10667 0 61 1080.00000 1065.10667 1.38% - 1s 0 0 1065.11480 0 65 1080.00000 1065.11480 1.38% - 1s 0 0 1065.11480 0 65 1080.00000 1065.11480 1.38% - 2s 0 2 1065.11506 0 64 1080.00000 1065.11506 1.38% - 2s * 65 29 60 1078.0000000 1065.33333 1.18% 7.5 2s * 141 77 33 1077.0000000 1066.53846 0.97% 7.2 2s 836 220 1071.25000 24 40 1077.00000 1071.25000 0.53% 8.6 5s Cutting planes: Gomory: 2 Zero half: 9 Explored 1851 nodes (15541 simplex iterations) in 6.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 10), (6, 12), (10, 19), (12, 14), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 796 rows, 528 columns and 76351 nonzeros Presolve time: 0.04s Presolved: 796 rows, 528 columns, 76351 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1082.0000000 1063.55556 1.70% - 0s 0 0 1064.25000 0 45 1082.00000 1064.25000 1.64% - 0s 0 0 1064.25000 0 33 1082.00000 1064.25000 1.64% - 0s 0 0 1064.25000 0 43 1082.00000 1064.25000 1.64% - 0s 0 0 1064.25000 0 44 1082.00000 1064.25000 1.64% - 0s 0 0 1064.25000 0 46 1082.00000 1064.25000 1.64% - 0s 0 0 1064.25000 0 47 1082.00000 1064.25000 1.64% - 0s 0 0 1064.36364 0 46 1082.00000 1064.36364 1.63% - 0s 0 0 1064.36364 0 44 1082.00000 1064.36364 1.63% - 0s 0 0 1064.36364 0 49 1082.00000 1064.36364 1.63% - 0s 0 0 1064.36364 0 48 1082.00000 1064.36364 1.63% - 0s 0 0 1064.36364 0 49 1082.00000 1064.36364 1.63% - 0s 0 0 1064.36364 0 50 1082.00000 1064.36364 1.63% - 0s 0 0 1064.36364 0 51 1082.00000 1064.36364 1.63% - 0s 0 0 1064.45455 0 43 1082.00000 1064.45455 1.62% - 0s 0 0 1064.45455 0 52 1082.00000 1064.45455 1.62% - 0s 0 0 1064.45455 0 48 1082.00000 1064.45455 1.62% - 0s 0 0 1064.45455 0 52 1082.00000 1064.45455 1.62% - 1s 0 0 1064.45455 0 50 1082.00000 1064.45455 1.62% - 1s 0 0 1064.45455 0 53 1082.00000 1064.45455 1.62% - 1s 0 0 1064.50000 0 39 1082.00000 1064.50000 1.62% - 1s 0 0 1064.50000 0 49 1082.00000 1064.50000 1.62% - 1s 0 0 1064.50000 0 45 1082.00000 1064.50000 1.62% - 1s 0 0 1064.50000 0 49 1082.00000 1064.50000 1.62% - 1s 0 0 1064.60924 0 58 1082.00000 1064.60924 1.61% - 1s 0 0 1064.70551 0 63 1082.00000 1064.70551 1.60% - 1s 0 0 1064.70551 0 65 1082.00000 1064.70551 1.60% - 1s 0 0 1064.70551 0 65 1082.00000 1064.70551 1.60% - 1s 0 0 1064.71412 0 62 1082.00000 1064.71412 1.60% - 1s 0 0 1064.73792 0 63 1082.00000 1064.73792 1.60% - 1s 0 0 1064.79002 0 62 1082.00000 1064.79002 1.59% - 1s 0 0 1064.79669 0 64 1082.00000 1064.79669 1.59% - 1s 0 0 1064.80071 0 64 1082.00000 1064.80071 1.59% - 1s 0 0 1064.81306 0 66 1082.00000 1064.81306 1.59% - 1s H 0 0 1077.0000000 1064.81306 1.13% - 1s 0 0 1064.81306 0 63 1077.00000 1064.81306 1.13% - 2s 0 2 1064.85473 0 63 1077.00000 1064.85473 1.13% - 2s Cutting planes: Gomory: 1 Zero half: 34 Explored 929 nodes (7983 simplex iterations) in 3.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 10), (10, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (9, 33), (9, 11), (11, 14), (12, 33), (12, 13), (15, 32)] Optimize a model with 798 rows, 528 columns and 76478 nonzeros Presolve time: 0.04s Presolved: 798 rows, 528 columns, 76478 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start 0 0 1064.25000 0 46 - 1064.25000 - - 0s 0 0 1064.25000 0 46 - 1064.25000 - - 0s 0 0 1064.25000 0 49 - 1064.25000 - - 0s 0 0 1064.33333 0 47 - 1064.33333 - - 0s 0 0 1064.34000 0 53 - 1064.34000 - - 0s 0 0 1064.34000 0 54 - 1064.34000 - - 0s 0 0 1064.34000 0 54 - 1064.34000 - - 0s 0 0 1064.47126 0 53 - 1064.47126 - - 0s 0 0 1064.47126 0 58 - 1064.47126 - - 0s 0 0 1064.47208 0 61 - 1064.47208 - - 0s H 0 0 1215.0000000 1064.47208 12.4% - 0s H 0 0 1078.0000000 1064.47208 1.25% - 0s 0 0 1064.48980 0 52 1078.00000 1064.48980 1.25% - 0s 0 0 1064.48980 0 35 1078.00000 1064.48980 1.25% - 0s 0 0 1064.55344 0 60 1078.00000 1064.55344 1.25% - 0s 0 0 1064.56940 0 61 1078.00000 1064.56940 1.25% - 0s 0 0 1064.59721 0 53 1078.00000 1064.59721 1.24% - 0s 0 0 1064.59721 0 57 1078.00000 1064.59721 1.24% - 0s 0 0 1064.60031 0 55 1078.00000 1064.60031 1.24% - 0s 0 0 1064.60031 0 59 1078.00000 1064.60031 1.24% - 1s 0 0 1064.60031 0 62 1078.00000 1064.60031 1.24% - 1s 0 0 1064.62512 0 52 1078.00000 1064.62512 1.24% - 1s 0 0 1064.62512 0 57 1078.00000 1064.62512 1.24% - 1s 0 0 1064.62512 0 57 1078.00000 1064.62512 1.24% - 1s 0 2 1064.63069 0 57 1078.00000 1064.63069 1.24% - 1s * 75 41 39 1077.0000000 1066.25926 1.00% 8.6 1s Cutting planes: Gomory: 2 Zero half: 10 Explored 938 nodes (7581 simplex iterations) in 2.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 8), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 799 rows, 528 columns and 76556 nonzeros Presolve time: 0.04s Presolved: 799 rows, 528 columns, 76556 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1064.25000 0 45 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 35 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 49 1087.00000 1064.25000 2.09% - 0s H 0 0 1084.0000000 1064.25000 1.82% - 0s 0 0 1064.25000 0 47 1084.00000 1064.25000 1.82% - 0s 0 0 1064.25000 0 49 1084.00000 1064.25000 1.82% - 0s 0 0 1064.33333 0 55 1084.00000 1064.33333 1.81% - 0s 0 0 1064.47059 0 49 1084.00000 1064.47059 1.80% - 0s 0 0 1064.50000 0 52 1084.00000 1064.50000 1.80% - 0s 0 0 1064.50000 0 48 1084.00000 1064.50000 1.80% - 0s 0 0 1064.51111 0 58 1084.00000 1064.51111 1.80% - 0s 0 0 1064.51194 0 59 1084.00000 1064.51194 1.80% - 0s 0 0 1064.51313 0 60 1084.00000 1064.51313 1.80% - 0s 0 0 1064.51654 0 56 1084.00000 1064.51654 1.80% - 0s 0 0 1064.55172 0 52 1084.00000 1064.55172 1.79% - 0s 0 0 1064.55172 0 54 1084.00000 1064.55172 1.79% - 0s 0 0 1064.55172 0 54 1084.00000 1064.55172 1.79% - 1s H 0 0 1078.0000000 1064.55172 1.25% - 1s 0 2 1064.58824 0 54 1078.00000 1064.58824 1.24% - 1s * 79 42 22 1077.0000000 1066.45000 0.98% 7.8 1s Cutting planes: Gomory: 1 Zero half: 5 Explored 1840 nodes (14382 simplex iterations) in 4.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 13), (11, 33), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (7, 8), (7, 9), (9, 10), (10, 12), (12, 14), (15, 32)] Optimize a model with 801 rows, 528 columns and 76683 nonzeros Presolve time: 0.04s Presolved: 801 rows, 528 columns, 76683 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1080.0000000 1063.55556 1.52% - 0s 0 0 1064.25000 0 45 1080.00000 1064.25000 1.46% - 0s 0 0 1064.25000 0 35 1080.00000 1064.25000 1.46% - 0s 0 0 1064.25000 0 45 1080.00000 1064.25000 1.46% - 0s 0 0 1064.25000 0 46 1080.00000 1064.25000 1.46% - 0s 0 0 1064.25000 0 49 1080.00000 1064.25000 1.46% - 0s 0 0 1064.25000 0 48 1080.00000 1064.25000 1.46% - 0s 0 0 1064.25000 0 49 1080.00000 1064.25000 1.46% - 0s 0 0 1064.33086 0 51 1080.00000 1064.33086 1.45% - 0s 0 0 1064.33086 0 56 1080.00000 1064.33086 1.45% - 0s 0 0 1064.33086 0 57 1080.00000 1064.33086 1.45% - 0s 0 0 1064.50000 0 40 1080.00000 1064.50000 1.44% - 0s 0 0 1064.50000 0 49 1080.00000 1064.50000 1.44% - 0s 0 0 1064.50000 0 48 1080.00000 1064.50000 1.44% - 0s 0 0 1064.52459 0 51 1080.00000 1064.52459 1.43% - 0s 0 0 1064.54545 0 58 1080.00000 1064.54545 1.43% - 0s 0 0 1064.55172 0 51 1080.00000 1064.55172 1.43% - 0s 0 0 1064.55519 0 59 1080.00000 1064.55519 1.43% - 0s 0 0 1064.55927 0 62 1080.00000 1064.55927 1.43% - 0s 0 0 1064.56539 0 63 1080.00000 1064.56539 1.43% - 0s 0 0 1064.57769 0 59 1080.00000 1064.57769 1.43% - 0s 0 0 1064.57769 0 58 1080.00000 1064.57769 1.43% - 1s H 0 0 1078.0000000 1064.57769 1.25% - 1s 0 2 1064.59011 0 58 1078.00000 1064.59011 1.24% - 1s * 48 19 8 1077.0000000 1066.20000 1.00% 10.5 1s Cutting planes: Gomory: 1 Zero half: 7 Explored 1613 nodes (13104 simplex iterations) in 4.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(9, 10), (10, 11), (11, 19), (17, 28), (17, 29), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26), (26, 28), (29, 30)] Optimize a model with 802 rows, 528 columns and 76788 nonzeros Presolve time: 0.04s Presolved: 802 rows, 528 columns, 76788 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1078.0000000 1063.55556 1.34% - 0s 0 0 1064.25000 0 45 1078.00000 1064.25000 1.28% - 0s 0 0 1064.25000 0 35 1078.00000 1064.25000 1.28% - 0s 0 0 1064.35484 0 47 1078.00000 1064.35484 1.27% - 0s 0 0 1064.64516 0 47 1078.00000 1064.64516 1.24% - 0s 0 0 1064.64516 0 51 1078.00000 1064.64516 1.24% - 0s 0 0 1064.64516 0 51 1078.00000 1064.64516 1.24% - 0s 0 0 1064.64516 0 54 1078.00000 1064.64516 1.24% - 0s 0 0 1064.79183 0 47 1078.00000 1064.79183 1.23% - 0s 0 0 1064.86275 0 50 1078.00000 1064.86275 1.22% - 0s 0 0 1064.86275 0 50 1078.00000 1064.86275 1.22% - 0s 0 0 1064.86275 0 53 1078.00000 1064.86275 1.22% - 0s 0 0 1064.90332 0 51 1078.00000 1064.90332 1.21% - 0s 0 0 1064.94286 0 49 1078.00000 1064.94286 1.21% - 0s 0 0 1064.94286 0 53 1078.00000 1064.94286 1.21% - 0s 0 0 1064.94286 0 54 1078.00000 1064.94286 1.21% - 0s 0 0 1065.01614 0 48 1078.00000 1065.01614 1.20% - 0s 0 0 1065.01614 0 55 1078.00000 1065.01614 1.20% - 0s 0 0 1065.05433 0 59 1078.00000 1065.05433 1.20% - 0s 0 0 1065.05437 0 62 1078.00000 1065.05437 1.20% - 0s 0 0 1065.13282 0 52 1078.00000 1065.13282 1.19% - 0s 0 0 1065.13381 0 54 1078.00000 1065.13381 1.19% - 0s 0 0 1065.13381 0 57 1078.00000 1065.13381 1.19% - 1s 0 0 1065.15924 0 60 1078.00000 1065.15924 1.19% - 1s 0 0 1065.15924 0 60 1078.00000 1065.15924 1.19% - 1s 0 0 1065.15924 0 60 1078.00000 1065.15924 1.19% - 1s 0 2 1065.16675 0 60 1078.00000 1065.16675 1.19% - 1s H 134 60 1077.0000000 1067.36364 0.89% 9.0 1s Cutting planes: Gomory: 3 Zero half: 10 Explored 848 nodes (7143 simplex iterations) in 2.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 33), (10, 33), (10, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 9), (9, 12), (12, 14), (15, 32)] Optimize a model with 804 rows, 528 columns and 76929 nonzeros Presolve time: 0.04s Presolved: 804 rows, 528 columns, 76929 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1079.0000000 1063.55556 1.43% - 0s 0 0 1064.25000 0 45 1079.00000 1064.25000 1.37% - 0s 0 0 1064.25000 0 35 1079.00000 1064.25000 1.37% - 0s 0 0 1064.25000 0 46 1079.00000 1064.25000 1.37% - 0s 0 0 1064.25000 0 49 1079.00000 1064.25000 1.37% - 0s 0 0 1064.30769 0 55 1079.00000 1064.30769 1.36% - 0s 0 0 1064.50000 0 42 1079.00000 1064.50000 1.34% - 0s 0 0 1064.50000 0 43 1079.00000 1064.50000 1.34% - 0s 0 0 1064.50000 0 44 1079.00000 1064.50000 1.34% - 0s 0 0 1064.50000 0 46 1079.00000 1064.50000 1.34% - 0s 0 0 1064.50000 0 46 1079.00000 1064.50000 1.34% - 0s 0 0 1064.50000 0 47 1079.00000 1064.50000 1.34% - 0s 0 0 1064.50000 0 47 1079.00000 1064.50000 1.34% - 0s 0 2 1064.50000 0 47 1079.00000 1064.50000 1.34% - 0s H 27 19 1078.0000000 1066.10000 1.10% 9.0 1s * 105 55 22 1077.0000000 1066.75000 0.95% 7.3 1s Cutting planes: Gomory: 1 Zero half: 2 Explored 1564 nodes (11875 simplex iterations) in 3.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 10), (10, 11), (11, 19), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 9), (9, 33), (14, 33), (15, 32)] Optimize a model with 806 rows, 528 columns and 77070 nonzeros Presolve time: 0.04s Presolved: 806 rows, 528 columns, 77070 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1078.0000000 1063.55556 1.34% - 0s 0 0 1064.25000 0 45 1078.00000 1064.25000 1.28% - 0s 0 0 1064.25000 0 35 1078.00000 1064.25000 1.28% - 0s 0 0 1064.35484 0 47 1078.00000 1064.35484 1.27% - 0s 0 0 1064.69873 0 47 1078.00000 1064.69873 1.23% - 0s 0 0 1064.78440 0 49 1078.00000 1064.78440 1.23% - 0s 0 0 1064.79723 0 53 1078.00000 1064.79723 1.22% - 0s 0 0 1064.80070 0 53 1078.00000 1064.80070 1.22% - 0s 0 0 1064.81644 0 55 1078.00000 1064.81644 1.22% - 0s 0 0 1064.88333 0 47 1078.00000 1064.88333 1.22% - 0s 0 0 1064.89340 0 48 1078.00000 1064.89340 1.22% - 0s 0 0 1064.89340 0 48 1078.00000 1064.89340 1.22% - 0s 0 0 1064.89340 0 50 1078.00000 1064.89340 1.22% - 0s 0 0 1064.97030 0 43 1078.00000 1064.97030 1.21% - 0s 0 0 1065.01010 0 52 1078.00000 1065.01010 1.20% - 0s 0 0 1065.01010 0 51 1078.00000 1065.01010 1.20% - 0s 0 0 1065.01010 0 54 1078.00000 1065.01010 1.20% - 0s 0 0 1065.06936 0 54 1078.00000 1065.06936 1.20% - 0s 0 0 1065.08090 0 59 1078.00000 1065.08090 1.20% - 0s 0 0 1065.09410 0 58 1078.00000 1065.09410 1.20% - 0s 0 0 1065.09410 0 61 1078.00000 1065.09410 1.20% - 0s 0 0 1065.09428 0 62 1078.00000 1065.09428 1.20% - 0s 0 0 1065.18764 0 59 1078.00000 1065.18764 1.19% - 0s 0 0 1065.19963 0 53 1078.00000 1065.19963 1.19% - 0s 0 2 1065.20494 0 53 1078.00000 1065.20494 1.19% - 1s * 69 21 63 1077.0000000 1065.88471 1.03% 5.9 1s Cutting planes: Gomory: 3 Zero half: 5 Explored 1473 nodes (12309 simplex iterations) in 4.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (7, 9), (7, 11), (9, 10), (10, 14), (11, 19), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 807 rows, 528 columns and 77206 nonzeros Presolve time: 0.04s Presolved: 807 rows, 528 columns, 77206 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1064.25000 0 45 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 35 1087.00000 1064.25000 2.09% - 0s 0 0 1064.37931 0 46 1087.00000 1064.37931 2.08% - 0s H 0 0 1084.0000000 1064.37931 1.81% - 0s 0 0 1064.80000 0 39 1084.00000 1064.80000 1.77% - 0s 0 0 1065.00000 0 47 1084.00000 1065.00000 1.75% - 0s 0 0 1065.00000 0 44 1084.00000 1065.00000 1.75% - 0s 0 0 1065.00000 0 52 1084.00000 1065.00000 1.75% - 0s 0 0 1065.03774 0 28 1084.00000 1065.03774 1.75% - 0s 0 0 1065.03774 0 32 1084.00000 1065.03774 1.75% - 0s 0 0 1065.03774 0 35 1084.00000 1065.03774 1.75% - 0s H 0 0 1080.0000000 1065.03774 1.39% - 0s 0 0 1065.03774 0 39 1080.00000 1065.03774 1.39% - 0s 0 0 1065.03774 0 42 1080.00000 1065.03774 1.39% - 0s 0 0 1065.03774 0 42 1080.00000 1065.03774 1.39% - 0s H 0 0 1078.0000000 1065.03774 1.20% - 1s 0 2 1065.07609 0 42 1078.00000 1065.07609 1.20% - 1s * 64 31 11 1077.0000000 1066.60000 0.97% 7.5 1s Cutting planes: Gomory: 3 Zero half: 9 Explored 1018 nodes (8054 simplex iterations) in 2.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 16), (11, 12), (11, 19), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 808 rows, 528 columns and 77297 nonzeros Presolve time: 0.04s Presolved: 808 rows, 528 columns, 77297 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 124 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1077.0000000 1063.55556 1.25% - 0s 0 0 1064.32353 0 43 1077.00000 1064.32353 1.18% - 0s 0 0 1064.32353 0 33 1077.00000 1064.32353 1.18% - 0s 0 0 1064.42500 0 46 1077.00000 1064.42500 1.17% - 0s 0 0 1065.00000 0 18 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 27 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 29 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 26 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 26 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 30 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 32 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 32 1077.00000 1065.00000 1.11% - 0s 0 2 1065.00000 0 32 1077.00000 1065.00000 1.11% - 0s Cutting planes: Gomory: 3 Zero half: 1 Explored 1568 nodes (13154 simplex iterations) in 3.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 16), (12, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 809 rows, 528 columns and 77375 nonzeros Presolve time: 0.04s Presolved: 809 rows, 528 columns, 77375 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1077.0000000 1063.55556 1.25% - 0s 0 0 1064.25000 0 45 1077.00000 1064.25000 1.18% - 0s 0 0 1064.25000 0 35 1077.00000 1064.25000 1.18% - 0s 0 0 1064.42500 0 48 1077.00000 1064.42500 1.17% - 0s 0 0 1065.00000 0 19 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 23 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 26 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 24 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 26 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 25 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 28 1077.00000 1065.00000 1.11% - 0s 0 0 1065.00000 0 25 1077.00000 1065.00000 1.11% - 0s 0 2 1065.00000 0 25 1077.00000 1065.00000 1.11% - 0s Cutting planes: Gomory: 4 Zero half: 1 Explored 1612 nodes (13255 simplex iterations) in 3.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 16), (12, 33), (16, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 810 rows, 528 columns and 77466 nonzeros Presolve time: 0.04s Presolved: 810 rows, 528 columns, 77466 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1112.0000000 1063.55556 4.36% - 0s 0 0 1064.25000 0 45 1112.00000 1064.25000 4.29% - 0s 0 0 1064.25000 0 46 1112.00000 1064.25000 4.29% - 0s 0 0 1064.25000 0 49 1112.00000 1064.25000 4.29% - 0s 0 0 1064.33333 0 45 1112.00000 1064.33333 4.29% - 0s H 0 0 1080.0000000 1064.33333 1.45% - 0s 0 0 1064.34000 0 51 1080.00000 1064.34000 1.45% - 0s 0 0 1064.34000 0 35 1080.00000 1064.34000 1.45% - 0s 0 0 1064.41304 0 49 1080.00000 1064.41304 1.44% - 0s 0 0 1065.14706 0 42 1080.00000 1065.14706 1.38% - 0s 0 0 1065.14706 0 46 1080.00000 1065.14706 1.38% - 0s 0 0 1065.14706 0 47 1080.00000 1065.14706 1.38% - 0s 0 0 1065.14706 0 49 1080.00000 1065.14706 1.38% - 0s 0 0 1065.14706 0 50 1080.00000 1065.14706 1.38% - 0s 0 0 1065.14706 0 49 1080.00000 1065.14706 1.38% - 0s 0 2 1065.20000 0 49 1080.00000 1065.20000 1.37% - 1s * 71 40 25 1078.0000000 1066.66667 1.05% 8.7 1s H 100 54 1077.0000000 1067.00000 0.93% 8.4 1s Cutting planes: Gomory: 3 Explored 1296 nodes (10946 simplex iterations) in 3.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 12), (7, 11), (11, 19), (12, 13), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 10), (9, 33), (9, 10), (14, 33), (15, 32)] Optimize a model with 812 rows, 528 columns and 77599 nonzeros Presolve time: 0.04s Presolved: 812 rows, 528 columns, 77599 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1083.0000000 1063.55556 1.80% - 0s 0 0 1064.25000 0 45 1083.00000 1064.25000 1.73% - 0s 0 0 1064.25000 0 33 1083.00000 1064.25000 1.73% - 0s 0 0 1064.42500 0 50 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 49 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 53 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 53 1083.00000 1064.42500 1.72% - 0s H 0 0 1082.0000000 1064.42500 1.62% - 0s 0 0 1064.50877 0 56 1082.00000 1064.50877 1.62% - 0s 0 0 1064.50877 0 58 1082.00000 1064.50877 1.62% - 0s 0 0 1064.56250 0 46 1082.00000 1064.56250 1.61% - 0s 0 0 1064.56250 0 49 1082.00000 1064.56250 1.61% - 0s 0 0 1064.56250 0 49 1082.00000 1064.56250 1.61% - 0s 0 0 1064.56250 0 50 1082.00000 1064.56250 1.61% - 0s H 0 0 1080.0000000 1064.56250 1.43% - 0s 0 0 1064.56250 0 51 1080.00000 1064.56250 1.43% - 0s 0 0 1064.56250 0 51 1080.00000 1064.56250 1.43% - 0s 0 2 1064.57692 0 51 1080.00000 1064.57692 1.43% - 1s * 45 23 40 1078.0000000 1066.16667 1.10% 8.4 1s * 75 37 24 1077.0000000 1066.25926 1.00% 8.6 1s Cutting planes: Gomory: 2 Zero half: 3 Explored 1631 nodes (12641 simplex iterations) in 4.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 15), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (12, 33), (13, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 813 rows, 528 columns and 77789 nonzeros Presolve time: 0.04s Presolved: 813 rows, 528 columns, 77789 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1083.0000000 1063.55556 1.80% - 0s 0 0 1064.25000 0 45 1083.00000 1064.25000 1.73% - 0s 0 0 1064.25000 0 33 1083.00000 1064.25000 1.73% - 0s 0 0 1064.42500 0 50 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 49 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 53 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 50 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 53 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 53 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 55 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 57 1083.00000 1064.42500 1.72% - 0s 0 0 1064.42500 0 56 1083.00000 1064.42500 1.72% - 0s H 0 0 1082.0000000 1064.42500 1.62% - 0s H 0 0 1080.0000000 1064.42500 1.44% - 0s 0 2 1064.50000 0 56 1080.00000 1064.50000 1.44% - 1s H 59 30 1078.0000000 1066.16667 1.10% 10.2 1s * 134 77 30 1077.0000000 1066.65517 0.96% 8.8 1s Cutting planes: Gomory: 2 Zero half: 2 Explored 1736 nodes (14207 simplex iterations) in 4.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 33), (9, 33), (9, 11), (11, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (8, 10), (10, 12), (12, 14), (15, 32)] Optimize a model with 815 rows, 528 columns and 77930 nonzeros Presolve time: 0.04s Presolved: 815 rows, 528 columns, 77930 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1078.0000000 1063.55556 1.34% - 0s 0 0 1064.25000 0 46 1078.00000 1064.25000 1.28% - 0s 0 0 1064.25000 0 35 1078.00000 1064.25000 1.28% - 0s 0 0 1064.40000 0 49 1078.00000 1064.40000 1.26% - 0s 0 0 1064.40000 0 52 1078.00000 1064.40000 1.26% - 0s 0 0 1064.42233 0 56 1078.00000 1064.42233 1.26% - 0s 0 0 1064.55937 0 51 1078.00000 1064.55937 1.25% - 0s 0 0 1064.55937 0 57 1078.00000 1064.55937 1.25% - 0s 0 0 1064.61404 0 49 1078.00000 1064.61404 1.24% - 0s 0 0 1064.62490 0 61 1078.00000 1064.62490 1.24% - 0s 0 0 1064.67045 0 50 1078.00000 1064.67045 1.24% - 0s 0 0 1064.67045 0 53 1078.00000 1064.67045 1.24% - 0s 0 0 1064.67045 0 50 1078.00000 1064.67045 1.24% - 0s 0 0 1064.67045 0 56 1078.00000 1064.67045 1.24% - 0s 0 0 1064.69006 0 64 1078.00000 1064.69006 1.23% - 0s 0 0 1064.74061 0 52 1078.00000 1064.74061 1.23% - 0s 0 0 1064.76923 0 52 1078.00000 1064.76923 1.23% - 0s 0 0 1064.76923 0 54 1078.00000 1064.76923 1.23% - 0s 0 0 1064.76923 0 54 1078.00000 1064.76923 1.23% - 0s 0 0 1064.76923 0 55 1078.00000 1064.76923 1.23% - 0s 0 0 1064.76923 0 54 1078.00000 1064.76923 1.23% - 1s 0 0 1064.78266 0 60 1078.00000 1064.78266 1.23% - 1s 0 0 1064.80693 0 60 1078.00000 1064.80693 1.22% - 1s 0 0 1064.80693 0 61 1078.00000 1064.80693 1.22% - 1s 0 0 1064.80693 0 60 1078.00000 1064.80693 1.22% - 1s H 0 0 1077.0000000 1064.80693 1.13% - 1s 0 2 1064.86445 0 60 1077.00000 1064.86445 1.13% - 1s Cutting planes: Gomory: 3 Zero half: 24 Mod-K: 1 Explored 1209 nodes (9733 simplex iterations) in 3.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 9), (9, 33), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 816 rows, 528 columns and 78035 nonzeros Presolve time: 0.04s Presolved: 816 rows, 528 columns, 78035 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 116 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 35 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1064.25000 0 45 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 35 1087.00000 1064.25000 2.09% - 0s 0 0 1064.37931 0 46 1087.00000 1064.37931 2.08% - 0s 0 0 1064.80000 0 39 1087.00000 1064.80000 2.04% - 0s 0 0 1065.00000 0 47 1087.00000 1065.00000 2.02% - 0s 0 0 1065.00000 0 31 1087.00000 1065.00000 2.02% - 0s 0 0 1065.00000 0 45 1087.00000 1065.00000 2.02% - 0s 0 0 1065.00000 0 44 1087.00000 1065.00000 2.02% - 0s H 0 0 1080.0000000 1065.00000 1.39% - 0s 0 0 1065.00000 0 46 1080.00000 1065.00000 1.39% - 0s 0 0 1065.00000 0 44 1080.00000 1065.00000 1.39% - 0s 0 0 1065.00000 0 48 1080.00000 1065.00000 1.39% - 0s 0 0 1065.00000 0 51 1080.00000 1065.00000 1.39% - 0s 0 0 1065.00000 0 43 1080.00000 1065.00000 1.39% - 0s 0 0 1065.00000 0 44 1080.00000 1065.00000 1.39% - 1s 0 0 1065.00000 0 39 1080.00000 1065.00000 1.39% - 1s 0 2 1065.00000 0 39 1080.00000 1065.00000 1.39% - 1s * 104 51 35 1078.0000000 1066.00000 1.11% 6.8 1s * 366 169 12 1077.0000000 1068.00000 0.84% 6.2 2s Cutting planes: Gomory: 3 Zero half: 1 Explored 2143 nodes (15314 simplex iterations) in 4.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 10), (10, 11), (11, 19), (13, 33), (16, 25), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25)] adding cut for [(15, 18), (17, 28), (17, 29), (18, 26), (26, 27), (27, 28), (29, 30)] Optimize a model with 818 rows, 528 columns and 78141 nonzeros Presolve time: 0.04s Presolved: 818 rows, 528 columns, 78141 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1063.55556 0 36 1087.00000 1063.55556 2.16% - 0s 0 0 1063.55556 0 33 1087.00000 1063.55556 2.16% - 0s 0 0 1064.25000 0 43 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 45 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 46 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 48 1087.00000 1064.25000 2.09% - 0s H 0 0 1082.0000000 1064.25000 1.64% - 0s 0 0 1064.25000 0 51 1082.00000 1064.25000 1.64% - 0s 0 0 1064.32051 0 56 1082.00000 1064.32051 1.63% - 0s 0 0 1064.44753 0 59 1082.00000 1064.44753 1.62% - 0s 0 0 1064.58108 0 56 1082.00000 1064.58108 1.61% - 0s 0 0 1064.58108 0 57 1082.00000 1064.58108 1.61% - 0s 0 0 1064.58108 0 58 1082.00000 1064.58108 1.61% - 0s 0 0 1064.72000 0 57 1082.00000 1064.72000 1.60% - 0s 0 0 1064.77660 0 61 1082.00000 1064.77660 1.59% - 0s 0 0 1064.77660 0 61 1082.00000 1064.77660 1.59% - 0s 0 0 1064.85567 0 61 1082.00000 1064.85567 1.58% - 0s H 0 0 1080.0000000 1064.85567 1.40% - 0s 0 0 1064.85567 0 62 1080.00000 1064.85567 1.40% - 1s 0 2 1065.06627 0 62 1080.00000 1065.06627 1.38% - 1s * 71 25 45 1078.0000000 1066.92732 1.03% 17.0 3s * 358 106 34 1077.0000000 1069.60784 0.69% 11.0 3s Cutting planes: Gomory: 11 Zero half: 13 Mod-K: 2 Explored 1065 nodes (9025 simplex iterations) in 4.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 10), (9, 10), (9, 19), (15, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 819 rows, 528 columns and 78246 nonzeros Presolve time: 0.04s Presolved: 819 rows, 528 columns, 78246 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1063.55556 0 36 1087.00000 1063.55556 2.16% - 0s 0 0 1063.55556 0 33 1087.00000 1063.55556 2.16% - 0s 0 0 1064.25000 0 43 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 45 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 46 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 47 1087.00000 1064.25000 2.09% - 0s 0 0 1064.36364 0 43 1087.00000 1064.36364 2.08% - 0s 0 0 1064.36364 0 47 1087.00000 1064.36364 2.08% - 0s 0 0 1064.36364 0 44 1087.00000 1064.36364 2.08% - 0s 0 0 1064.36364 0 47 1087.00000 1064.36364 2.08% - 0s 0 0 1064.36364 0 48 1087.00000 1064.36364 2.08% - 0s H 0 0 1084.0000000 1064.36364 1.81% - 0s 0 0 1064.36364 0 47 1084.00000 1064.36364 1.81% - 0s 0 0 1064.36364 0 50 1084.00000 1064.36364 1.81% - 1s 0 0 1064.36364 0 48 1084.00000 1064.36364 1.81% - 1s 0 0 1064.36364 0 51 1084.00000 1064.36364 1.81% - 1s 0 0 1064.36364 0 51 1084.00000 1064.36364 1.81% - 1s 0 2 1065.00000 0 51 1084.00000 1065.00000 1.75% - 1s * 61 28 57 1082.0000000 1066.10000 1.47% 7.6 1s * 71 29 64 1079.0000000 1066.10000 1.20% 7.2 1s H 89 35 1077.0000000 1066.25000 1.00% 7.1 1s Cutting planes: Gomory: 1 Zero half: 7 Explored 1101 nodes (8721 simplex iterations) in 3.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 19), (15, 32), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 820 rows, 528 columns and 78351 nonzeros Presolve time: 0.04s Presolved: 820 rows, 528 columns, 78351 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1081.0000000 1063.55556 1.61% - 0s 0 0 1064.34043 0 42 1081.00000 1064.34043 1.54% - 0s 0 0 1064.34043 0 35 1081.00000 1064.34043 1.54% - 0s 0 0 1064.38710 0 47 1081.00000 1064.38710 1.54% - 0s 0 0 1065.19481 0 52 1081.00000 1065.19481 1.46% - 0s 0 0 1065.19481 0 50 1081.00000 1065.19481 1.46% - 0s 0 0 1065.19481 0 52 1081.00000 1065.19481 1.46% - 0s 0 0 1065.19481 0 50 1081.00000 1065.19481 1.46% - 0s 0 0 1065.19481 0 53 1081.00000 1065.19481 1.46% - 0s 0 0 1065.20548 0 46 1081.00000 1065.20548 1.46% - 0s 0 0 1065.20548 0 53 1081.00000 1065.20548 1.46% - 0s 0 0 1065.27451 0 49 1081.00000 1065.27451 1.45% - 0s 0 0 1065.28455 0 52 1081.00000 1065.28455 1.45% - 0s 0 0 1065.28455 0 47 1081.00000 1065.28455 1.45% - 0s 0 0 1065.28646 0 53 1081.00000 1065.28646 1.45% - 0s 0 0 1065.29193 0 47 1081.00000 1065.29193 1.45% - 0s 0 0 1065.29193 0 54 1081.00000 1065.29193 1.45% - 0s 0 0 1065.31250 0 48 1081.00000 1065.31250 1.45% - 0s 0 0 1065.32401 0 57 1081.00000 1065.32401 1.45% - 0s 0 0 1065.32447 0 58 1081.00000 1065.32447 1.45% - 0s 0 0 1065.32447 0 58 1081.00000 1065.32447 1.45% - 1s H 0 0 1080.0000000 1065.32447 1.36% - 1s H 0 0 1079.0000000 1065.32447 1.27% - 1s 0 2 1065.32766 0 58 1079.00000 1065.32766 1.27% - 1s * 60 31 57 1078.0000000 1066.21053 1.09% 8.2 1s * 109 52 18 1077.0000000 1066.47765 0.98% 7.8 1s Cutting planes: Gomory: 5 Zero half: 13 Explored 925 nodes (8648 simplex iterations) in 3.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(9, 10), (9, 19), (10, 33), (12, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 821 rows, 528 columns and 78442 nonzeros Presolve time: 0.04s Presolved: 821 rows, 528 columns, 78442 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1063.55556 0 36 1087.00000 1063.55556 2.16% - 0s 0 0 1063.55556 0 33 1087.00000 1063.55556 2.16% - 0s 0 0 1064.25000 0 43 1087.00000 1064.25000 2.09% - 0s H 0 0 1084.0000000 1064.25000 1.82% - 0s 0 0 1064.25000 0 45 1084.00000 1064.25000 1.82% - 0s 0 0 1064.25000 0 47 1084.00000 1064.25000 1.82% - 0s 0 0 1064.25000 0 49 1084.00000 1064.25000 1.82% - 0s 0 0 1064.25000 0 49 1084.00000 1064.25000 1.82% - 0s 0 0 1064.32000 0 52 1084.00000 1064.32000 1.82% - 0s H 0 0 1080.0000000 1064.32000 1.45% - 0s 0 0 1064.39048 0 53 1080.00000 1064.39048 1.45% - 0s 0 2 1064.57000 0 53 1080.00000 1064.57000 1.43% - 0s H 14 10 1078.0000000 1066.03724 1.11% 0.1 1s H 74 20 1077.0000000 1067.07290 0.92% 16.6 2s Cutting planes: Gomory: 6 Zero half: 6 Explored 1144 nodes (9735 simplex iterations) in 4.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (9, 12), (9, 19), (12, 14), (15, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 822 rows, 528 columns and 78547 nonzeros Presolve time: 0.04s Presolved: 822 rows, 528 columns, 78547 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1081.0000000 1063.55556 1.61% - 0s 0 0 1064.34043 0 42 1081.00000 1064.34043 1.54% - 0s 0 0 1064.34043 0 35 1081.00000 1064.34043 1.54% - 0s 0 0 1064.38710 0 47 1081.00000 1064.38710 1.54% - 0s 0 0 1065.19481 0 52 1081.00000 1065.19481 1.46% - 0s 0 0 1065.19481 0 50 1081.00000 1065.19481 1.46% - 0s 0 0 1065.19481 0 52 1081.00000 1065.19481 1.46% - 0s 0 0 1065.19481 0 49 1081.00000 1065.19481 1.46% - 0s 0 0 1065.19481 0 52 1081.00000 1065.19481 1.46% - 0s 0 0 1065.20833 0 47 1081.00000 1065.20833 1.46% - 0s 0 0 1065.20833 0 53 1081.00000 1065.20833 1.46% - 0s 0 0 1065.27273 0 50 1081.00000 1065.27273 1.45% - 0s 0 0 1065.30097 0 52 1081.00000 1065.30097 1.45% - 0s 0 0 1065.31818 0 52 1081.00000 1065.31818 1.45% - 0s 0 0 1065.31818 0 51 1081.00000 1065.31818 1.45% - 0s 0 0 1065.31818 0 53 1081.00000 1065.31818 1.45% - 0s 0 0 1065.31818 0 54 1081.00000 1065.31818 1.45% - 0s 0 0 1065.31818 0 52 1081.00000 1065.31818 1.45% - 1s 0 0 1065.32836 0 57 1081.00000 1065.32836 1.45% - 1s 0 0 1065.41053 0 55 1081.00000 1065.41053 1.44% - 1s 0 0 1065.42027 0 59 1081.00000 1065.42027 1.44% - 1s 0 0 1065.45020 0 55 1081.00000 1065.45020 1.44% - 1s 0 0 1065.45787 0 58 1081.00000 1065.45787 1.44% - 1s 0 0 1065.45787 0 56 1081.00000 1065.45787 1.44% - 1s 0 0 1065.45787 0 59 1081.00000 1065.45787 1.44% - 1s 0 0 1065.50000 0 45 1081.00000 1065.50000 1.43% - 1s 0 0 1065.50000 0 45 1081.00000 1065.50000 1.43% - 1s 0 0 1065.51309 0 62 1081.00000 1065.51309 1.43% - 1s H 0 0 1078.0000000 1065.51309 1.16% - 1s 0 0 1065.51309 0 63 1078.00000 1065.51309 1.16% - 1s 0 0 1065.51309 0 62 1078.00000 1065.51309 1.16% - 1s 0 2 1065.55968 0 62 1078.00000 1065.55968 1.15% - 1s * 144 69 9 1077.0000000 1068.25000 0.81% 8.7 2s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 1 Explored 935 nodes (8046 simplex iterations) in 3.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 33), (2, 15), (6, 7), (6, 13), (7, 8), (8, 9), (9, 10), (10, 11), (11, 33), (12, 14), (12, 19), (15, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 823 rows, 528 columns and 78737 nonzeros Presolve time: 0.04s Presolved: 823 rows, 528 columns, 78737 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1080.0000000 1063.55556 1.52% - 0s 0 0 1064.34043 0 42 1080.00000 1064.34043 1.45% - 0s 0 0 1064.34043 0 35 1080.00000 1064.34043 1.45% - 0s 0 0 1064.40000 0 48 1080.00000 1064.40000 1.44% - 0s 0 0 1065.12903 0 53 1080.00000 1065.12903 1.38% - 0s 0 0 1065.16667 0 52 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 47 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 48 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 44 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 50 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 49 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 52 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 49 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 51 1080.00000 1065.16667 1.37% - 0s 0 0 1065.16667 0 51 1080.00000 1065.16667 1.37% - 1s 0 2 1065.25000 0 51 1080.00000 1065.25000 1.37% - 1s * 48 25 45 1078.0000000 1066.16667 1.10% 8.2 1s * 117 59 27 1077.0000000 1067.40000 0.89% 7.2 1s Cutting planes: Gomory: 4 Zero half: 9 Explored 878 nodes (6624 simplex iterations) in 2.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 33), (6, 12), (12, 13), (15, 18), (18, 26), (19, 33), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 824 rows, 528 columns and 78828 nonzeros Presolve time: 0.04s Presolved: 824 rows, 528 columns, 78828 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1079.0000000 1063.55556 1.43% - 0s 0 0 1064.34043 0 42 1079.00000 1064.34043 1.36% - 0s 0 0 1064.34043 0 33 1079.00000 1064.34043 1.36% - 0s 0 0 1064.34043 0 42 1079.00000 1064.34043 1.36% - 0s 0 0 1065.20000 0 44 1079.00000 1065.20000 1.28% - 0s 0 0 1066.00000 0 44 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 37 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 42 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 16 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 18 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 20 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 16 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 18 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 23 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 23 1079.00000 1066.00000 1.20% - 0s 0 2 1066.00000 0 23 1079.00000 1066.00000 1.20% - 0s H 27 14 1077.0000000 1066.61538 0.96% 6.3 1s Cutting planes: Gomory: 6 Zero half: 3 Explored 1619 nodes (13678 simplex iterations) in 4.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(9, 33), (9, 19), (13, 33), (15, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 825 rows, 528 columns and 78906 nonzeros Presolve time: 0.04s Presolved: 825 rows, 528 columns, 78906 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1063.55556 0 36 1087.00000 1063.55556 2.16% - 0s 0 0 1063.55556 0 33 1087.00000 1063.55556 2.16% - 0s 0 0 1064.25000 0 43 1087.00000 1064.25000 2.09% - 0s H 0 0 1084.0000000 1064.25000 1.82% - 0s 0 0 1064.25000 0 45 1084.00000 1064.25000 1.82% - 0s 0 0 1064.25000 0 46 1084.00000 1064.25000 1.82% - 0s 0 0 1064.25000 0 48 1084.00000 1064.25000 1.82% - 0s 0 0 1064.25000 0 51 1084.00000 1064.25000 1.82% - 0s 0 0 1064.32051 0 53 1084.00000 1064.32051 1.82% - 0s 0 0 1064.32051 0 53 1084.00000 1064.32051 1.82% - 0s 0 0 1064.32051 0 56 1084.00000 1064.32051 1.82% - 0s 0 0 1064.46257 0 55 1084.00000 1064.46257 1.80% - 0s H 0 0 1078.0000000 1064.46257 1.26% - 0s 0 0 1064.46359 0 59 1078.00000 1064.46359 1.26% - 0s 0 2 1064.62809 0 59 1078.00000 1064.62809 1.24% - 1s * 285 91 21 1077.0000000 1070.00000 0.65% 11.1 4s 1022 205 1074.91667 45 24 1077.00000 1072.87719 0.38% 7.9 5s Cutting planes: Gomory: 5 Zero half: 32 Mod-K: 1 Explored 1650 nodes (12249 simplex iterations) in 5.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (6, 13), (7, 9), (9, 10), (10, 11), (11, 19), (15, 18), (18, 25), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25)] adding cut for [(16, 26), (17, 29), (17, 30), (26, 27), (27, 28), (28, 29)] Optimize a model with 827 rows, 528 columns and 79032 nonzeros Presolve time: 0.04s Presolved: 827 rows, 528 columns, 79032 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1063.55556 0 36 1087.00000 1063.55556 2.16% - 0s 0 0 1063.55556 0 33 1087.00000 1063.55556 2.16% - 0s 0 0 1064.25000 0 43 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 45 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 47 1087.00000 1064.25000 2.09% - 0s 0 0 1064.25000 0 47 1087.00000 1064.25000 2.09% - 0s 0 0 1064.29091 0 54 1087.00000 1064.29091 2.09% - 0s 0 0 1064.50000 0 48 1087.00000 1064.50000 2.07% - 0s 0 0 1064.50000 0 41 1087.00000 1064.50000 2.07% - 0s 0 0 1064.50000 0 44 1087.00000 1064.50000 2.07% - 0s 0 0 1064.50000 0 49 1087.00000 1064.50000 2.07% - 0s 0 0 1064.50000 0 41 1087.00000 1064.50000 2.07% - 0s H 0 0 1084.0000000 1064.50000 1.80% - 0s 0 0 1064.50000 0 50 1084.00000 1064.50000 1.80% - 0s 0 0 1064.50000 0 40 1084.00000 1064.50000 1.80% - 1s 0 0 1064.50000 0 41 1084.00000 1064.50000 1.80% - 1s 0 0 1064.50000 0 46 1084.00000 1064.50000 1.80% - 1s 0 0 1064.50000 0 46 1084.00000 1064.50000 1.80% - 1s 0 2 1064.50000 0 46 1084.00000 1064.50000 1.80% - 1s * 52 33 47 1083.0000000 1066.10000 1.56% 9.4 1s H 56 32 1081.0000000 1066.37500 1.35% 9.1 1s * 96 58 37 1078.0000000 1066.37500 1.08% 8.5 1s * 158 80 13 1077.0000000 1067.00000 0.93% 8.1 2s Cutting planes: Gomory: 1 Zero half: 2 Explored 1743 nodes (13237 simplex iterations) in 4.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 12), (2, 15), (6, 7), (7, 8), (8, 10), (9, 10), (9, 11), (11, 33), (12, 33), (15, 32)] Optimize a model with 828 rows, 528 columns and 79087 nonzeros Presolve time: 0.04s Presolved: 828 rows, 528 columns, 79087 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1085.0000000 1063.55556 1.98% - 0s 0 0 1063.55556 0 36 1085.00000 1063.55556 1.98% - 0s 0 0 1063.55556 0 33 1085.00000 1063.55556 1.98% - 0s 0 0 1064.31818 0 40 1085.00000 1064.31818 1.91% - 0s 0 0 1064.62500 0 33 1085.00000 1064.62500 1.88% - 0s 0 0 1065.03175 0 45 1085.00000 1065.03175 1.84% - 0s 0 0 1065.03175 0 49 1085.00000 1065.03175 1.84% - 0s 0 0 1065.03175 0 47 1085.00000 1065.03175 1.84% - 0s 0 0 1065.03175 0 49 1085.00000 1065.03175 1.84% - 0s 0 0 1065.03175 0 48 1085.00000 1065.03175 1.84% - 0s 0 0 1065.03175 0 49 1085.00000 1065.03175 1.84% - 0s H 0 0 1080.0000000 1065.03175 1.39% - 0s 0 0 1065.03175 0 52 1080.00000 1065.03175 1.39% - 0s 0 0 1065.03175 0 52 1080.00000 1065.03175 1.39% - 0s 0 2 1065.10526 0 52 1080.00000 1065.10526 1.38% - 1s * 60 32 58 1079.0000000 1066.00000 1.20% 9.1 1s * 108 54 43 1078.0000000 1066.57143 1.06% 7.7 1s * 168 84 19 1077.0000000 1067.26316 0.90% 8.1 1s Cutting planes: Gomory: 3 Zero half: 2 Explored 1593 nodes (12755 simplex iterations) in 4.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 7), (7, 8), (8, 19), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (9, 33), (9, 10), (10, 11), (11, 14), (12, 33), (12, 13), (15, 32)] Optimize a model with 830 rows, 528 columns and 79210 nonzeros Presolve time: 0.04s Presolved: 830 rows, 528 columns, 79210 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1102.0000000 1063.55556 3.49% - 0s 0 0 1064.34043 0 43 1102.00000 1064.34043 3.42% - 0s 0 0 1065.20000 0 38 1102.00000 1065.20000 3.34% - 0s 0 0 1066.00000 0 16 1102.00000 1066.00000 3.27% - 0s 0 0 1066.00000 0 20 1102.00000 1066.00000 3.27% - 0s 0 0 1066.00000 0 22 1102.00000 1066.00000 3.27% - 0s H 0 0 1079.0000000 1066.00000 1.20% - 0s 0 0 1066.00000 0 18 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 35 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 16 1079.00000 1066.00000 1.20% - 0s 0 0 1066.11864 0 44 1079.00000 1066.11864 1.19% - 0s 0 0 1066.11864 0 48 1079.00000 1066.11864 1.19% - 0s 0 0 1066.11864 0 48 1079.00000 1066.11864 1.19% - 0s 0 0 1066.11864 0 51 1079.00000 1066.11864 1.19% - 0s 0 0 1066.16667 0 42 1079.00000 1066.16667 1.19% - 0s 0 0 1066.16667 0 46 1079.00000 1066.16667 1.19% - 0s 0 0 1066.16667 0 44 1079.00000 1066.16667 1.19% - 0s H 0 0 1077.0000000 1066.16667 1.01% - 0s 0 0 1066.16667 0 41 1077.00000 1066.16667 1.01% - 0s 0 0 1066.16667 0 45 1077.00000 1066.16667 1.01% - 1s 0 0 1066.16667 0 45 1077.00000 1066.16667 1.01% - 1s 0 0 1066.16667 0 48 1077.00000 1066.16667 1.01% - 1s 0 0 1066.16667 0 48 1077.00000 1066.16667 1.01% - 1s 0 2 1066.16667 0 46 1077.00000 1066.16667 1.01% - 1s Cutting planes: Gomory: 3 Zero half: 2 Explored 1525 nodes (12873 simplex iterations) in 4.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (11, 12), (11, 19), (12, 14), (17, 29), (17, 30), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 28), (28, 29)] Optimize a model with 831 rows, 528 columns and 79330 nonzeros Presolve time: 0.04s Presolved: 831 rows, 528 columns, 79330 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1079.0000000 1063.55556 1.43% - 0s 0 0 1064.34043 0 42 1079.00000 1064.34043 1.36% - 0s 0 0 1064.34043 0 33 1079.00000 1064.34043 1.36% - 0s 0 0 1064.34043 0 43 1079.00000 1064.34043 1.36% - 0s 0 0 1065.20000 0 38 1079.00000 1065.20000 1.28% - 0s 0 0 1066.00000 0 40 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 37 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 49 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 16 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 40 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 40 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 44 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 14 1079.00000 1066.00000 1.20% - 0s 0 2 1066.00000 0 14 1079.00000 1066.00000 1.20% - 0s H 81 35 1078.0000000 1067.00000 1.02% 7.4 1s * 163 83 28 1077.0000000 1067.00000 0.93% 6.4 1s 1762 79 1075.50000 34 12 1077.00000 1074.50000 0.23% 8.1 5s Cutting planes: Gomory: 5 Zero half: 1 Explored 1915 nodes (15707 simplex iterations) in 5.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(6, 8), (6, 10), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 832 rows, 528 columns and 79421 nonzeros Presolve time: 0.04s Presolved: 832 rows, 528 columns, 79421 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1097.0000000 1063.55556 3.05% - 0s 0 0 1064.17021 0 45 1097.00000 1064.17021 2.99% - 0s 0 0 1064.34043 0 48 1097.00000 1064.34043 2.98% - 0s 0 0 1064.34043 0 49 1097.00000 1064.34043 2.98% - 0s 0 0 1064.34043 0 46 1097.00000 1064.34043 2.98% - 0s 0 0 1064.34043 0 49 1097.00000 1064.34043 2.98% - 0s 0 0 1064.34043 0 49 1097.00000 1064.34043 2.98% - 0s 0 0 1064.34043 0 52 1097.00000 1064.34043 2.98% - 0s 0 0 1064.34043 0 43 1097.00000 1064.34043 2.98% - 0s 0 0 1064.34043 0 50 1097.00000 1064.34043 2.98% - 0s 0 0 1064.34043 0 50 1097.00000 1064.34043 2.98% - 0s H 0 0 1078.0000000 1064.34043 1.27% - 0s 0 0 1064.34043 0 35 1078.00000 1064.34043 1.27% - 1s 0 0 1064.38710 0 47 1078.00000 1064.38710 1.26% - 1s 0 0 1065.19481 0 46 1078.00000 1065.19481 1.19% - 1s 0 0 1065.19481 0 50 1078.00000 1065.19481 1.19% - 1s 0 0 1065.19481 0 49 1078.00000 1065.19481 1.19% - 1s 0 0 1065.19481 0 51 1078.00000 1065.19481 1.19% - 1s 0 0 1065.19663 0 54 1078.00000 1065.19663 1.19% - 1s 0 0 1065.28455 0 48 1078.00000 1065.28455 1.18% - 1s 0 0 1065.28455 0 52 1078.00000 1065.28455 1.18% - 1s 0 0 1065.28455 0 50 1078.00000 1065.28455 1.18% - 1s 0 0 1065.28539 0 52 1078.00000 1065.28539 1.18% - 1s 0 0 1065.28986 0 53 1078.00000 1065.28986 1.18% - 1s 0 0 1065.29915 0 46 1078.00000 1065.29915 1.18% - 1s 0 0 1065.31188 0 46 1078.00000 1065.31188 1.18% - 1s 0 0 1065.31915 0 52 1078.00000 1065.31915 1.18% - 1s 0 0 1065.44536 0 54 1078.00000 1065.44536 1.16% - 1s 0 0 1065.44547 0 57 1078.00000 1065.44547 1.16% - 1s 0 0 1065.44547 0 59 1078.00000 1065.44547 1.16% - 1s 0 0 1065.44547 0 62 1078.00000 1065.44547 1.16% - 1s 0 0 1065.46256 0 59 1078.00000 1065.46256 1.16% - 1s 0 0 1065.46265 0 64 1078.00000 1065.46265 1.16% - 1s 0 0 1065.46265 0 65 1078.00000 1065.46265 1.16% - 1s 0 0 1065.46265 0 66 1078.00000 1065.46265 1.16% - 1s 0 0 1065.50038 0 57 1078.00000 1065.50038 1.16% - 1s 0 0 1065.50217 0 61 1078.00000 1065.50217 1.16% - 1s 0 0 1065.50217 0 61 1078.00000 1065.50217 1.16% - 2s 0 2 1065.51613 0 61 1078.00000 1065.51613 1.16% - 2s * 38 18 35 1077.0000000 1066.56250 0.97% 10.3 2s Cutting planes: Gomory: 4 Zero half: 10 Explored 895 nodes (7285 simplex iterations) in 3.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(7, 33), (7, 10), (10, 19), (13, 33), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 23), (21, 24), (22, 23), (24, 25), (25, 26)] Optimize a model with 833 rows, 528 columns and 79526 nonzeros Presolve time: 0.04s Presolved: 833 rows, 528 columns, 79526 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1094.0000000 1063.55556 2.78% - 0s 0 0 1064.17021 0 45 1094.00000 1064.17021 2.73% - 0s 0 0 1064.34043 0 48 1094.00000 1064.34043 2.71% - 0s 0 0 1064.34043 0 49 1094.00000 1064.34043 2.71% - 0s 0 0 1064.34043 0 46 1094.00000 1064.34043 2.71% - 0s 0 0 1064.34043 0 49 1094.00000 1064.34043 2.71% - 0s 0 0 1064.34043 0 49 1094.00000 1064.34043 2.71% - 0s 0 0 1064.34043 0 52 1094.00000 1064.34043 2.71% - 0s H 0 0 1087.0000000 1064.34043 2.08% - 0s 0 0 1064.34043 0 47 1087.00000 1064.34043 2.08% - 0s 0 0 1064.34043 0 33 1087.00000 1064.34043 2.08% - 0s 0 0 1064.42857 0 49 1087.00000 1064.42857 2.08% - 0s H 0 0 1078.0000000 1064.42857 1.26% - 0s 0 0 1064.42857 0 52 1078.00000 1064.42857 1.26% - 0s 0 2 1064.65403 0 52 1078.00000 1064.65403 1.24% - 1s * 255 81 37 1077.0000000 1068.98281 0.74% 11.6 3s Cutting planes: Gomory: 12 Zero half: 4 Mod-K: 1 Explored 1511 nodes (11686 simplex iterations) in 4.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(13, 33), (16, 32), (16, 18), (18, 26), (19, 33), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 15), (6, 7), (7, 8), (8, 9), (9, 10), (10, 11), (11, 12), (12, 14)] Optimize a model with 835 rows, 528 columns and 79649 nonzeros Presolve time: 0.04s Presolved: 835 rows, 528 columns, 79649 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1079.0000000 1063.55556 1.43% - 0s 0 0 1064.34043 0 42 1079.00000 1064.34043 1.36% - 0s 0 0 1064.34043 0 33 1079.00000 1064.34043 1.36% - 0s 0 0 1064.34043 0 43 1079.00000 1064.34043 1.36% - 0s 0 0 1065.20000 0 38 1079.00000 1065.20000 1.28% - 0s 0 0 1066.00000 0 40 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 37 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 49 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 18 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 37 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 44 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 42 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 48 1079.00000 1066.00000 1.20% - 0s 0 0 1066.00000 0 47 1079.00000 1066.00000 1.20% - 0s H 0 0 1078.0000000 1066.00000 1.11% - 1s 0 2 1066.00000 0 37 1078.00000 1066.00000 1.11% - 1s * 275 167 45 1077.0000000 1067.13333 0.92% 5.6 1s 1358 267 cutoff 36 1077.00000 1071.85714 0.48% 7.6 5s Cutting planes: Gomory: 5 Zero half: 2 Explored 1940 nodes (14319 simplex iterations) in 5.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(2, 32), (2, 14), (6, 7), (6, 14), (7, 10), (10, 19), (15, 16), (16, 18), (18, 26), (19, 20), (20, 22), (21, 22), (21, 23), (23, 24), (24, 25), (25, 26)] Optimize a model with 836 rows, 528 columns and 79785 nonzeros Presolve time: 0.04s Presolved: 836 rows, 528 columns, 79785 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1095.0000000 1063.55556 2.87% - 0s 0 0 1064.17021 0 45 1095.00000 1064.17021 2.82% - 0s 0 0 1064.34043 0 48 1095.00000 1064.34043 2.80% - 0s 0 0 1064.34043 0 49 1095.00000 1064.34043 2.80% - 0s 0 0 1064.34043 0 46 1095.00000 1064.34043 2.80% - 0s 0 0 1064.34043 0 49 1095.00000 1064.34043 2.80% - 0s 0 0 1064.34043 0 49 1095.00000 1064.34043 2.80% - 0s 0 0 1064.34043 0 52 1095.00000 1064.34043 2.80% - 0s H 0 0 1087.0000000 1064.34043 2.08% - 0s 0 0 1064.34043 0 47 1087.00000 1064.34043 2.08% - 0s 0 0 1064.34043 0 33 1087.00000 1064.34043 2.08% - 0s 0 0 1064.42857 0 49 1087.00000 1064.42857 2.08% - 0s 0 0 1064.42857 0 54 1087.00000 1064.42857 2.08% - 0s 0 0 1064.42857 0 54 1087.00000 1064.42857 2.08% - 0s 0 0 1064.42857 0 56 1087.00000 1064.42857 2.08% - 1s 0 0 1064.42857 0 55 1087.00000 1064.42857 2.08% - 1s 0 0 1064.42857 0 57 1087.00000 1064.42857 2.08% - 1s 0 0 1064.42857 0 57 1087.00000 1064.42857 2.08% - 1s H 0 0 1079.0000000 1064.42857 1.35% - 1s 0 2 1064.50000 0 57 1079.00000 1064.50000 1.34% - 1s H 81 33 1078.0000000 1067.00000 1.02% 7.2 1s * 109 42 13 1077.0000000 1067.40000 0.89% 8.2 1s Cutting planes: Gomory: 2 Zero half: 3 Explored 1564 nodes (12622 simplex iterations) in 4.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% adding cut for [(11, 33), (11, 19), (12, 33), (12, 13), (18, 26), (19, 20), (20, 23), (21, 22), (21, 24), (22, 23), (24, 25), (25, 26)] adding cut for [(2, 14), (2, 16), (6, 7), (7, 8), (8, 10), (9, 10), (9, 14), (15, 32), (15, 16)] Optimize a model with 838 rows, 528 columns and 79908 nonzeros Presolve time: 0.04s Presolved: 838 rows, 528 columns, 79908 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 528 integer (496 binary) Root relaxation: objective 1.063556e+03, 107 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1063.55556 0 33 - 1063.55556 - - 0s Another try with MIP start H 0 0 1087.0000000 1063.55556 2.16% - 0s 0 0 1064.34043 0 42 1087.00000 1064.34043 2.08% - 0s 0 0 1064.34043 0 33 1087.00000 1064.34043 2.08% - 0s 0 0 1064.46575 0 45 1087.00000 1064.46575 2.07% - 0s 0 0 1065.11905 0 43 1087.00000 1065.11905 2.01% - 0s 0 0 1065.48872 0 40 1087.00000 1065.48872 1.98% - 0s 0 0 1065.88889 0 41 1087.00000 1065.88889 1.94% - 0s 0 0 1065.89655 0 45 1087.00000 1065.89655 1.94% - 0s 0 0 1065.89655 0 48 1087.00000 1065.89655 1.94% - 0s 0 0 1065.89655 0 47 1087.00000 1065.89655 1.94% - 0s 0 0 1065.89655 0 52 1087.00000 1065.89655 1.94% - 0s 0 0 1065.89655 0 52 1087.00000 1065.89655 1.94% - 0s 0 0 1065.89655 0 52 1087.00000 1065.89655 1.94% - 0s 0 0 1065.89655 0 51 1087.00000 1065.89655 1.94% - 0s H 0 0 1078.0000000 1065.89655 1.12% - 1s 0 2 1065.96774 0 51 1078.00000 1065.96774 1.12% - 1s * 76 28 9 1077.0000000 1066.70370 0.96% 6.8 1s 1551 168 cutoff 28 1077.00000 1073.33333 0.34% 8.3 5s Cutting planes: Gomory: 5 Zero half: 2 Explored 1931 nodes (15477 simplex iterations) in 5.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.077000000000e+03, best bound 1.077000000000e+03, gap 0.0% Gurobi 5.0.1 (linux64) logging started Fri Dec 7 08:20:36 2012