Optimize a model with 101 rows, 5050 columns and 10100 nonzeros Presolve time: 0.03s Presolved: 101 rows, 5050 columns, 10100 nonzeros Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.170000e+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 1170.00000 0 6 3924.00000 1170.00000 70.2% - 0s H 0 0 1190.0000000 1170.00000 1.68% - 0s 0 0 1171.00000 0 6 1190.00000 1171.00000 1.60% - 0s 0 0 1171.00000 0 6 1190.00000 1171.00000 1.60% - 0s H 0 0 1175.0000000 1171.00000 0.34% - 0s * 0 0 0 1171.0000000 1171.00000 0.0% - 0s Cutting planes: Cover: 1 MIR: 1 GUB cover: 1 Zero half: 2 Explored 0 nodes (292 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.171000000000e+03, best bound 1.171000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (5, 55), (5, 56), (6, 84), (6, 85), (8, 83), (8, 89), (9, 46), (9, 47), (11, 63), (11, 71), (12, 20), (12, 65), (18, 46), (18, 85), (20, 49), (21, 31), (21, 67), (22, 74), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 81), (31, 71), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (40, 68), (42, 76), (47, 48), (49, 83), (50, 65), (57, 76), (61, 84), (63, 89), (66, 67), (66, 72), (69, 78), (69, 81), (73, 74), (73, 75), (79, 80)] adding cut for [(38, 99), (38, 101), (39, 87), (45, 92), (15, 39), (15, 45), (17, 87), (17, 62), (94, 99), (86, 94), (92, 101), (62, 86)] adding cut for [(10, 52), (10, 82), (34, 52), (34, 82)] adding cut for [(16, 58), (16, 44), (43, 58), (43, 44)] adding cut for [(64, 91), (33, 64), (33, 91)] Optimize a model with 106 rows, 5050 columns and 11456 nonzeros Presolve time: 0.03s Presolved: 106 rows, 5050 columns, 11456 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.183000e+03, 148 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1183.00000 0 6 3924.00000 1183.00000 69.9% - 0s Another try with MIP start H 0 0 1201.0000000 1183.00000 1.50% - 0s * 0 0 0 1183.0000000 1183.00000 0.0% - 0s Cutting planes: MIR: 4 Zero half: 2 Explored 0 nodes (177 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.183000000000e+03, best bound 1.183000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (5, 55), (5, 56), (10, 36), (10, 52), (21, 31), (21, 52), (22, 74), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 81), (31, 71), (34, 80), (34, 82), (35, 36), (35, 79), (40, 68), (42, 75), (57, 76), (69, 78), (69, 81), (73, 74), (73, 75), (79, 82)] adding cut for [(3, 58), (6, 62), (6, 85), (8, 83), (9, 46), (9, 47), (11, 33), (11, 63), (12, 20), (12, 63), (15, 43), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (20, 49), (33, 91), (37, 48), (37, 50), (39, 45), (39, 87), (43, 44), (47, 48), (49, 83), (50, 65), (64, 65), (64, 91)] adding cut for [(99, 101), (38, 99), (38, 93), (60, 100), (60, 93), (86, 92), (86, 94), (92, 101), (94, 100)] adding cut for [(66, 72), (66, 67), (67, 72)] Optimize a model with 110 rows, 5050 columns and 12456 nonzeros Presolve time: 0.03s Presolved: 110 rows, 5050 columns, 12456 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.186500e+03, 179 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1186.50000 0 24 3924.00000 1186.50000 69.8% - 0s Another try with MIP start H 0 0 1276.0000000 1186.50000 7.01% - 0s 0 0 1188.00000 0 20 1276.00000 1188.00000 6.90% - 0s 0 0 1188.00000 0 36 1276.00000 1188.00000 6.90% - 0s 0 0 1189.00000 0 16 1276.00000 1189.00000 6.82% - 0s H 0 0 1194.0000000 1189.00000 0.42% - 0s 0 0 1189.00000 0 10 1194.00000 1189.00000 0.42% - 0s 0 0 1189.00000 0 26 1194.00000 1189.00000 0.42% - 0s * 0 0 0 1189.0000000 1189.00000 0.0% - 0s Cutting planes: Gomory: 6 MIR: 4 Zero half: 6 Explored 0 nodes (507 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.189000000000e+03, best bound 1.189000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (5, 55), (5, 56), (6, 85), (6, 94), (8, 83), (8, 89), (9, 46), (9, 47), (11, 63), (11, 64), (12, 20), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (20, 49), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 35), (31, 33), (31, 71), (32, 71), (33, 91), (34, 80), (34, 82), (35, 79), (37, 48), (37, 50), (38, 99), (38, 101), (39, 45), (40, 68), (42, 58), (43, 44), (45, 87), (47, 48), (49, 83), (50, 65), (57, 76), (60, 93), (60, 94), (62, 86), (63, 89), (64, 91), (69, 78), (69, 81), (79, 82), (86, 92), (92, 101), (93, 99)] adding cut for [(66, 67), (36, 66), (36, 72), (10, 72), (10, 52), (21, 67), (21, 52)] adding cut for [(73, 74), (73, 75), (74, 75)] Optimize a model with 113 rows, 5050 columns and 14496 nonzeros Presolve time: 0.03s Presolved: 113 rows, 5050 columns, 14496 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.190167e+03, 196 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1190.16667 0 41 3924.00000 1190.16667 69.7% - 0s Another try with MIP start H 0 0 1240.0000000 1190.16667 4.02% - 0s 0 0 1190.80000 0 26 1240.00000 1190.80000 3.97% - 0s H 0 0 1194.0000000 1190.80000 0.27% - 0s 0 0 1190.80000 0 24 1194.00000 1190.80000 0.27% - 0s 0 0 1190.80000 0 39 1194.00000 1190.80000 0.27% - 0s * 0 0 0 1191.0000000 1191.00000 0.0% - 0s Cutting planes: Gomory: 6 MIR: 4 Zero half: 11 Explored 0 nodes (418 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.191000000000e+03, best bound 1.191000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (5, 26), (5, 40), (10, 52), (10, 82), (21, 52), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 56), (30, 79), (34, 80), (34, 82), (35, 36), (35, 79), (36, 66), (40, 68), (42, 75), (55, 56), (57, 76), (66, 72), (67, 72), (73, 74), (73, 75), (77, 78)] adding cut for [(6, 61), (6, 85), (8, 83), (9, 46), (9, 47), (12, 20), (12, 65), (17, 62), (17, 87), (18, 85), (18, 87), (20, 49), (37, 48), (37, 50), (38, 99), (38, 101), (46, 84), (47, 48), (49, 83), (50, 65), (61, 84), (62, 86), (86, 92), (92, 101), (93, 98), (93, 99)] adding cut for [(39, 45), (15, 39), (15, 45)] Optimize a model with 116 rows, 5050 columns and 15315 nonzeros Presolve time: 0.04s Presolved: 116 rows, 5050 columns, 15315 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.194500e+03, 158 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1194.50000 0 18 3924.00000 1194.50000 69.6% - 0s Another try with MIP start 0 0 1194.75000 0 30 3924.00000 1194.75000 69.6% - 0s 0 0 1195.00000 0 17 3924.00000 1195.00000 69.5% - 0s 0 0 1196.00000 0 32 3924.00000 1196.00000 69.5% - 0s H 0 0 1197.0000000 1196.00000 0.08% - 0s 0 0 infeasible 0 1197.00000 1196.00120 0.08% - 0s Cutting planes: MIR: 3 Zero half: 11 Explored 0 nodes (219 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.197000000000e+03, best bound 1.197000000000e+03, gap 0.0% adding cut for [(6, 84), (6, 85), (8, 83), (9, 46), (9, 47), (10, 52), (10, 82), (11, 63), (11, 71), (12, 20), (12, 63), (18, 46), (18, 85), (20, 49), (21, 33), (21, 67), (31, 52), (31, 71), (33, 91), (34, 80), (34, 82), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (47, 48), (49, 83), (50, 65), (61, 84), (64, 65), (64, 91), (66, 67), (66, 72), (79, 80)] adding cut for [(3, 58), (38, 99), (38, 93), (39, 87), (43, 101), (43, 44), (45, 92), (15, 39), (15, 45), (16, 44), (16, 58), (17, 87), (17, 62), (86, 99), (88, 98), (92, 101), (93, 98), (62, 86)] adding cut for [(5, 40), (5, 26), (40, 68), (73, 75), (73, 74), (42, 75), (23, 42), (23, 76), (24, 68), (24, 57), (55, 56), (57, 76), (26, 56)] adding cut for [(25, 30), (25, 81), (69, 81), (30, 69)] adding cut for [(60, 100), (60, 94), (94, 100)] Optimize a model with 121 rows, 5050 columns and 16216 nonzeros Presolve time: 0.04s Presolved: 121 rows, 5050 columns, 16216 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.199500e+03, 207 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1199.50000 0 35 3924.00000 1199.50000 69.4% - 0s Another try with MIP start H 0 0 1234.0000000 1199.50000 2.80% - 0s 0 0 1200.28571 0 59 1234.00000 1200.28571 2.73% - 0s 0 0 1200.28571 0 36 1234.00000 1200.28571 2.73% - 0s H 0 0 1220.0000000 1200.28571 1.62% - 0s 0 0 1200.28571 0 55 1220.00000 1200.28571 1.62% - 0s H 0 0 1204.0000000 1200.28571 0.31% - 0s 0 2 1200.66667 0 55 1204.00000 1200.66667 0.28% - 0s * 5 4 11 1201.0000000 1201.00000 0.0% 0.2 0s Cutting planes: Gomory: 6 MIR: 1 Zero half: 18 Explored 5 nodes (813 simplex iterations) in 0.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.201000000000e+03, best bound 1.201000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (8, 83), (8, 89), (9, 46), (9, 47), (11, 63), (11, 64), (12, 20), (12, 65), (20, 49), (21, 33), (21, 67), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (46, 84), (47, 48), (49, 83), (50, 65), (63, 89), (64, 91), (66, 72), (67, 72), (79, 80)] adding cut for [(23, 42), (23, 75), (5, 40), (5, 26), (40, 68), (42, 58), (75, 76), (16, 44), (16, 58), (24, 68), (24, 57), (25, 55), (25, 30), (43, 44), (43, 88), (55, 56), (57, 76), (26, 56), (30, 69), (69, 81)] adding cut for [(6, 100), (6, 85), (92, 101), (62, 86), (18, 62), (18, 85), (86, 92), (38, 99), (38, 101), (60, 94), (93, 98), (93, 99), (94, 100)] adding cut for [(17, 87), (17, 45), (39, 87), (15, 39), (15, 45)] Optimize a model with 125 rows, 5050 columns and 16933 nonzeros Presolve time: 0.04s Presolved: 125 rows, 5050 columns, 16933 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.200163e+03, 230 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1200.16265 0 75 3924.00000 1200.16265 69.4% - 0s Another try with MIP start H 0 0 1263.0000000 1200.16265 4.98% - 0s 0 0 1200.65714 0 71 1263.00000 1200.65714 4.94% - 0s H 0 0 1203.0000000 1200.65714 0.19% - 0s 0 0 1200.82258 0 77 1203.00000 1200.82258 0.18% - 0s 0 0 1200.82258 0 57 1203.00000 1200.82258 0.18% - 0s 0 0 1201.40079 0 69 1203.00000 1201.40079 0.13% - 0s 0 0 1201.42778 0 67 1203.00000 1201.42778 0.13% - 0s 0 1 1201.66667 0 67 1203.00000 1201.66667 0.11% - 0s Explored 5 nodes (589 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.203000000000e+03, best bound 1.203000000000e+03, gap 0.0% adding cut for [(5, 26), (5, 40), (6, 85), (6, 94), (8, 83), (9, 46), (9, 47), (12, 20), (12, 65), (16, 44), (16, 58), (18, 46), (18, 85), (20, 49), (23, 42), (23, 75), (24, 57), (24, 68), (26, 56), (37, 48), (37, 50), (38, 99), (38, 101), (40, 68), (42, 58), (43, 44), (43, 101), (47, 48), (49, 83), (50, 65), (55, 56), (57, 76), (60, 93), (60, 100), (75, 76), (93, 99), (94, 100)] adding cut for [(64, 91), (33, 91), (34, 51), (34, 52), (35, 36), (35, 79), (36, 72), (63, 89), (10, 82), (10, 52), (66, 72), (66, 67), (79, 82), (11, 64), (11, 63), (21, 67), (21, 31), (31, 33)] adding cut for [(39, 87), (45, 92), (15, 39), (15, 45), (17, 87), (17, 62), (86, 92), (62, 86)] adding cut for [(73, 74), (22, 73), (22, 74)] Optimize a model with 129 rows, 5050 columns and 17838 nonzeros Presolve time: 0.04s Presolved: 129 rows, 5050 columns, 17838 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.201081e+03, 226 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1201.08065 0 57 3924.00000 1201.08065 69.4% - 0s Another try with MIP start H 0 0 1239.0000000 1201.08065 3.06% - 0s 0 0 1202.13889 0 70 1239.00000 1202.13889 2.98% - 0s 0 0 1202.13889 0 57 1239.00000 1202.13889 2.98% - 0s H 0 0 1219.0000000 1202.13889 1.38% - 0s 0 0 1202.15000 0 68 1219.00000 1202.15000 1.38% - 0s 0 2 1202.50000 0 68 1219.00000 1202.50000 1.35% - 0s H 1 2 1208.0000000 1202.50000 0.46% 6.0 0s H 12 9 1205.0000000 1203.45376 0.13% 0.5 0s H 12 8 1204.0000000 1203.45376 0.05% 0.5 0s Cutting planes: Gomory: 8 MIR: 3 Zero half: 2 Explored 12 nodes (853 simplex iterations) in 0.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.204000000000e+03, best bound 1.204000000000e+03, gap 0.0% adding cut for [(4, 34), (4, 80), (10, 52), (10, 72), (11, 63), (11, 64), (21, 31), (21, 67), (25, 30), (25, 81), (30, 35), (31, 33), (33, 91), (34, 82), (35, 79), (36, 66), (36, 72), (52, 82), (63, 89), (64, 91), (66, 67), (69, 78), (69, 81), (79, 80)] adding cut for [(3, 58), (6, 85), (6, 100), (15, 39), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 62), (18, 85), (38, 93), (38, 99), (39, 87), (43, 44), (43, 101), (45, 92), (60, 94), (60, 100), (86, 94), (86, 99), (92, 101), (93, 98)] adding cut for [(37, 48), (37, 50), (8, 83), (9, 46), (9, 47), (12, 65), (12, 20), (46, 84), (47, 48), (49, 83), (50, 65), (20, 49), (61, 84)] adding cut for [(5, 55), (5, 56), (40, 68), (73, 76), (24, 68), (24, 57), (22, 73), (22, 74), (57, 76), (26, 40), (26, 56)] adding cut for [(42, 75), (23, 42), (23, 75)] Optimize a model with 134 rows, 5050 columns and 18574 nonzeros Presolve time: 0.04s Presolved: 134 rows, 5050 columns, 18574 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.202321e+03, 224 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1202.32143 0 70 3924.00000 1202.32143 69.4% - 0s Another try with MIP start H 0 0 1271.0000000 1202.32143 5.40% - 0s 0 0 1203.87500 0 55 1271.00000 1203.87500 5.28% - 0s 0 0 1204.65000 0 76 1271.00000 1204.65000 5.22% - 0s H 0 0 1208.0000000 1204.65000 0.28% - 0s 0 0 1204.90000 0 54 1208.00000 1204.90000 0.26% - 0s 0 0 1204.90000 0 63 1208.00000 1204.90000 0.26% - 0s 0 0 1204.90000 0 56 1208.00000 1204.90000 0.26% - 0s 0 0 1205.00794 0 74 1208.00000 1205.00794 0.25% - 0s 0 0 1205.00794 0 79 1208.00000 1205.00794 0.25% - 0s 0 0 1205.00794 0 69 1208.00000 1205.00794 0.25% - 0s 0 0 1205.00794 0 71 1208.00000 1205.00794 0.25% - 0s 0 0 1205.00794 0 71 1208.00000 1205.00794 0.25% - 0s H 0 0 1206.0000000 1205.00794 0.08% - 0s Cutting planes: Gomory: 2 MIR: 2 Zero half: 7 Explored 0 nodes (609 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.206000000000e+03, best bound 1.206000000000e+03, gap 0.0% adding cut for [(6, 62), (6, 85), (8, 83), (8, 89), (9, 46), (9, 47), (11, 63), (11, 64), (12, 20), (12, 65), (15, 39), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (20, 49), (21, 33), (21, 67), (22, 74), (23, 42), (23, 75), (25, 30), (25, 55), (30, 79), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 87), (42, 58), (43, 44), (43, 101), (45, 92), (47, 48), (49, 83), (50, 65), (55, 81), (63, 89), (64, 91), (66, 67), (66, 72), (69, 81), (73, 74), (73, 76), (75, 76), (92, 101)] adding cut for [(34, 82), (4, 34), (4, 80), (10, 82), (10, 52), (51, 80), (31, 71), (31, 52)] adding cut for [(38, 99), (38, 93), (86, 99), (86, 94), (60, 100), (94, 100)] adding cut for [(24, 57), (24, 68), (40, 57), (40, 68)] adding cut for [(26, 56), (5, 56), (5, 26)] Optimize a model with 139 rows, 5050 columns and 19966 nonzeros Presolve time: 0.04s Presolved: 139 rows, 5050 columns, 19966 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.203800e+03, 238 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1203.80000 0 55 3924.00000 1203.80000 69.3% - 0s Another try with MIP start H 0 0 1258.0000000 1203.80000 4.31% - 0s 0 0 1204.50000 0 50 1258.00000 1204.50000 4.25% - 0s 0 0 1205.69366 0 62 1258.00000 1205.69366 4.16% - 0s H 0 0 1212.0000000 1205.69366 0.52% - 0s 0 0 1205.92045 0 59 1212.00000 1205.92045 0.50% - 0s 0 0 1205.92045 0 52 1212.00000 1205.92045 0.50% - 0s 0 0 1205.92045 0 58 1212.00000 1205.92045 0.50% - 0s 0 0 1206.17857 0 53 1212.00000 1206.17857 0.48% - 0s 0 0 1206.17857 0 57 1212.00000 1206.17857 0.48% - 0s 0 0 1206.17857 0 50 1212.00000 1206.17857 0.48% - 0s 0 0 1206.17857 0 52 1212.00000 1206.17857 0.48% - 0s 0 0 1206.17857 0 52 1212.00000 1206.17857 0.48% - 0s H 0 0 1211.0000000 1206.17857 0.40% - 0s H 0 0 1209.0000000 1206.17857 0.23% - 0s 0 2 1206.21739 0 52 1209.00000 1206.21739 0.23% - 0s * 10 4 9 1208.0000000 1206.33333 0.14% 8.1 0s * 15 1 4 1207.0000000 1207.00000 0.0% 6.9 0s Cutting planes: Gomory: 2 MIR: 2 Zero half: 6 Explored 16 nodes (813 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.207000000000e+03, best bound 1.207000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (5, 55), (5, 56), (9, 46), (9, 47), (10, 52), (10, 82), (15, 43), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 62), (21, 31), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 35), (31, 52), (33, 67), (33, 91), (34, 51), (34, 82), (35, 79), (37, 48), (37, 50), (39, 45), (39, 87), (40, 68), (42, 58), (43, 44), (47, 48), (50, 65), (57, 76), (64, 65), (64, 91), (69, 78), (69, 81), (73, 75), (73, 76), (79, 80)] adding cut for [(8, 83), (8, 89), (11, 71), (11, 63), (12, 20), (12, 63), (49, 83), (20, 49)] adding cut for [(86, 99), (86, 92), (92, 101), (38, 99), (38, 101)] adding cut for [(66, 72), (36, 72), (36, 66)] Optimize a model with 143 rows, 5050 columns and 21290 nonzeros Presolve time: 0.04s Presolved: 143 rows, 5050 columns, 21290 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.203800e+03, 240 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1203.80000 0 64 3924.00000 1203.80000 69.3% - 0s Another try with MIP start H 0 0 1250.0000000 1203.80000 3.70% - 0s 0 0 1204.75000 0 49 1250.00000 1204.75000 3.62% - 0s 0 0 1205.75000 0 41 1250.00000 1205.75000 3.54% - 0s H 0 0 1219.0000000 1205.75000 1.09% - 0s H 0 0 1210.0000000 1205.75000 0.35% - 0s 0 0 1206.00000 0 72 1210.00000 1206.00000 0.33% - 0s 0 0 1206.00000 0 58 1210.00000 1206.00000 0.33% - 0s 0 0 1206.00000 0 81 1210.00000 1206.00000 0.33% - 0s 0 0 1206.28571 0 82 1210.00000 1206.28571 0.31% - 0s 0 0 1206.28571 0 87 1210.00000 1206.28571 0.31% - 0s 0 0 1206.30769 0 82 1210.00000 1206.30769 0.31% - 0s 0 0 1206.30769 0 89 1210.00000 1206.30769 0.31% - 0s 0 0 1206.31098 0 91 1210.00000 1206.31098 0.30% - 0s 0 0 1206.31098 0 91 1210.00000 1206.31098 0.30% - 0s H 0 0 1208.0000000 1206.31098 0.14% - 0s 0 1 1206.51948 0 94 1208.00000 1206.51948 0.12% - 0s * 5 1 5 1207.0000000 1207.00000 0.0% 8.4 0s Cutting planes: MIR: 8 Zero half: 11 Explored 6 nodes (756 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.207000000000e+03, best bound 1.207000000000e+03, gap 0.0% adding cut for [(93, 98), (6, 85), (6, 62), (39, 87), (45, 92), (46, 84), (15, 39), (15, 45), (17, 87), (17, 62), (18, 46), (18, 85), (86, 99), (86, 101), (38, 99), (38, 93), (92, 101), (61, 84)] adding cut for [(43, 44), (43, 88), (5, 55), (5, 56), (40, 68), (73, 75), (73, 76), (42, 58), (16, 44), (16, 58), (24, 68), (24, 57), (57, 76), (26, 40), (26, 56), (23, 42), (23, 75)] adding cut for [(64, 65), (64, 91), (37, 48), (37, 50), (33, 91), (8, 89), (9, 47), (9, 83), (11, 32), (11, 33), (12, 20), (12, 63), (47, 48), (49, 83), (50, 65), (20, 49), (63, 89)] adding cut for [(34, 51), (34, 52), (35, 36), (35, 79), (36, 72), (10, 82), (10, 52), (66, 72), (66, 67), (79, 82), (21, 67), (21, 31), (31, 71)] Optimize a model with 147 rows, 5050 columns and 21858 nonzeros Presolve time: 0.04s Presolved: 147 rows, 5050 columns, 21858 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.204167e+03, 259 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1204.16667 0 74 3924.00000 1204.16667 69.3% - 0s Another try with MIP start H 0 0 1212.0000000 1204.16667 0.65% - 0s 0 0 1205.96000 0 78 1212.00000 1205.96000 0.50% - 0s 0 0 1205.96000 0 74 1212.00000 1205.96000 0.50% - 0s 0 0 1206.18750 0 75 1212.00000 1206.18750 0.48% - 0s 0 0 1206.23529 0 70 1212.00000 1206.23529 0.48% - 0s H 0 0 1210.0000000 1206.23529 0.31% - 0s 0 2 1206.78571 0 70 1210.00000 1206.78571 0.27% - 0s H 7 5 1209.0000000 1206.86044 0.18% 0.7 0s H 11 8 1208.0000000 1206.94974 0.09% 37.9 0s Explored 13 nodes (1125 simplex iterations) in 0.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.208000000000e+03, best bound 1.208000000000e+03, gap 0.0% adding cut for [(5, 55), (5, 56), (9, 47), (9, 83), (12, 64), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (20, 48), (20, 49), (21, 33), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 80), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (39, 45), (40, 68), (42, 58), (43, 44), (45, 87), (46, 47), (49, 83), (50, 65), (57, 76), (62, 85), (64, 91), (66, 72), (67, 72), (75, 76), (79, 80)] adding cut for [(6, 100), (86, 92), (86, 94), (88, 98), (38, 99), (38, 101), (92, 101), (93, 98), (93, 99), (94, 100)] adding cut for [(34, 82), (34, 51), (8, 89), (10, 82), (10, 52), (11, 71), (11, 63), (63, 89), (31, 71), (31, 52)] Optimize a model with 150 rows, 5050 columns and 23096 nonzeros Presolve time: 0.04s Presolved: 150 rows, 5050 columns, 23096 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.205539e+03, 342 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1205.53864 0 75 3924.00000 1205.53864 69.3% - 0s Another try with MIP start H 0 0 1275.0000000 1205.53864 5.45% - 0s 0 0 1206.50000 0 75 1275.00000 1206.50000 5.37% - 0s H 0 0 1219.0000000 1206.50000 1.03% - 0s H 0 0 1213.0000000 1206.50000 0.54% - 0s 0 0 1206.81263 0 96 1213.00000 1206.81263 0.51% - 0s 0 0 1206.81263 0 75 1213.00000 1206.81263 0.51% - 0s 0 0 1207.36207 0 92 1213.00000 1207.36207 0.46% - 0s 0 0 1207.36207 0 94 1213.00000 1207.36207 0.46% - 0s 0 0 1207.48889 0 102 1213.00000 1207.48889 0.45% - 0s 0 0 1207.75980 0 101 1213.00000 1207.75980 0.43% - 0s 0 0 1207.91827 0 98 1213.00000 1207.91827 0.42% - 0s 0 2 1208.00000 0 98 1213.00000 1208.00000 0.41% - 0s H 1 2 1212.0000000 1208.00000 0.33% 2.0 0s H 10 7 1210.0000000 1208.25543 0.14% 0.2 0s * 28 2 16 1209.0000000 1209.00000 0.0% 27.0 0s Cutting planes: Gomory: 11 MIR: 1 Zero half: 12 Explored 29 nodes (1561 simplex iterations) in 0.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209000000000e+03, best bound 1.209000000000e+03, gap 0.0% adding cut for [(38, 93), (38, 99), (39, 45), (73, 75), (73, 74), (43, 44), (45, 87), (15, 39), (15, 43), (16, 42), (16, 44), (17, 87), (17, 92), (99, 101), (22, 74), (23, 75), (23, 42), (92, 101)] adding cut for [(64, 91), (37, 48), (37, 50), (33, 91), (8, 83), (11, 33), (11, 63), (12, 64), (12, 65), (49, 83), (50, 65), (20, 48), (20, 49), (63, 89)] adding cut for [(6, 62), (6, 85), (9, 47), (9, 84), (46, 47), (18, 46), (18, 85), (62, 86), (86, 94), (60, 100), (94, 100)] adding cut for [(66, 67), (36, 66), (36, 72), (10, 72), (10, 52), (34, 82), (34, 51), (52, 82), (21, 67), (21, 31), (31, 71)] adding cut for [(35, 79), (4, 69), (4, 80), (69, 81), (79, 80), (55, 81), (25, 55), (25, 30), (30, 35)] adding cut for [(5, 56), (5, 57), (40, 68), (24, 68), (24, 76), (57, 76), (26, 40), (26, 56)] Optimize a model with 156 rows, 5050 columns and 23568 nonzeros Presolve time: 0.04s Presolved: 156 rows, 5050 columns, 23568 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.208000e+03, 281 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1208.00000 0 55 3924.00000 1208.00000 69.2% - 0s Another try with MIP start H 0 0 1294.0000000 1208.00000 6.65% - 0s 0 0 1208.69231 0 70 1294.00000 1208.69231 6.59% - 0s 0 0 1208.86137 0 87 1294.00000 1208.86137 6.58% - 0s H 0 0 1214.0000000 1208.86137 0.42% - 0s 0 0 1209.02222 0 90 1214.00000 1209.02222 0.41% - 0s 0 0 1209.02222 0 46 1214.00000 1209.02222 0.41% - 0s 0 0 1209.02222 0 89 1214.00000 1209.02222 0.41% - 0s 0 0 1209.02222 0 94 1214.00000 1209.02222 0.41% - 0s 0 0 1209.03339 0 97 1214.00000 1209.03339 0.41% - 0s 0 0 1209.04846 0 92 1214.00000 1209.04846 0.41% - 0s 0 0 1209.05155 0 94 1214.00000 1209.05155 0.41% - 0s 0 0 1209.19318 0 93 1214.00000 1209.19318 0.40% - 0s 0 0 1209.24077 0 95 1214.00000 1209.24077 0.39% - 0s 0 0 1209.30682 0 93 1214.00000 1209.30682 0.39% - 0s 0 0 1209.31099 0 91 1214.00000 1209.31099 0.39% - 0s 0 0 1209.32440 0 93 1214.00000 1209.32440 0.39% - 0s 0 0 1209.33951 0 96 1214.00000 1209.33951 0.38% - 0s 0 0 1209.33951 0 98 1214.00000 1209.33951 0.38% - 0s 0 0 1209.34911 0 101 1214.00000 1209.34911 0.38% - 0s H 0 0 1213.0000000 1209.34911 0.30% - 0s 0 0 1209.34911 0 97 1213.00000 1209.34911 0.30% - 0s 0 2 1209.51812 0 97 1213.00000 1209.51812 0.29% - 0s H 10 7 1210.0000000 1209.57566 0.04% 0.2 0s Cutting planes: Gomory: 8 Clique: 1 MIR: 1 Zero half: 6 Explored 10 nodes (1454 simplex iterations) in 0.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.210000000000e+03, best bound 1.210000000000e+03, gap 0.0% adding cut for [(34, 82), (34, 51), (35, 79), (35, 36), (4, 78), (4, 80), (69, 78), (69, 81), (10, 82), (10, 52), (66, 72), (66, 67), (51, 80), (21, 67), (21, 52), (25, 81), (25, 30), (30, 79), (36, 72)] adding cut for [(3, 42), (3, 58), (5, 55), (40, 68), (75, 76), (16, 44), (16, 58), (43, 44), (43, 88), (24, 68), (24, 57), (23, 42), (23, 75), (57, 76), (26, 40), (26, 56), (55, 56)] adding cut for [(6, 85), (6, 62), (39, 87), (45, 92), (46, 84), (15, 39), (15, 45), (17, 87), (17, 62), (18, 46), (18, 85), (86, 99), (86, 101), (38, 99), (38, 93), (92, 101)] adding cut for [(64, 65), (64, 91), (37, 48), (37, 50), (31, 71), (31, 33), (9, 47), (9, 83), (11, 71), (11, 63), (12, 20), (12, 63), (47, 48), (49, 83), (50, 65), (20, 49), (33, 91)] Optimize a model with 160 rows, 5050 columns and 24164 nonzeros Presolve time: 0.04s Presolved: 160 rows, 5050 columns, 24164 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.209510e+03, 290 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1209.50952 0 72 3924.00000 1209.50952 69.2% - 0s Another try with MIP start H 0 0 1301.0000000 1209.50952 7.03% - 0s 0 0 1210.14286 0 70 1301.00000 1210.14286 6.98% - 0s H 0 0 1221.0000000 1210.14286 0.89% - 0s H 0 0 1219.0000000 1210.14286 0.73% - 0s 0 0 1210.21429 0 70 1219.00000 1210.21429 0.72% - 0s 0 0 1210.21429 0 72 1219.00000 1210.21429 0.72% - 0s 0 0 1210.50000 0 82 1219.00000 1210.50000 0.70% - 0s H 0 0 1216.0000000 1210.50000 0.45% - 0s 0 0 1210.54167 0 87 1216.00000 1210.54167 0.45% - 0s 0 2 1210.72222 0 87 1216.00000 1210.72222 0.43% - 0s H 8 6 1214.0000000 1211.38035 0.22% 0.4 0s * 33 19 33 1213.0000000 1211.50002 0.12% 41.8 0s Cutting planes: Gomory: 8 MIR: 3 Zero half: 21 Explored 58 nodes (2387 simplex iterations) in 0.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.213000000000e+03, best bound 1.213000000000e+03, gap 0.0% adding cut for [(4, 34), (4, 80), (5, 57), (6, 62), (6, 85), (10, 52), (10, 82), (15, 43), (15, 45), (16, 42), (16, 44), (17, 62), (17, 87), (18, 46), (18, 85), (21, 31), (21, 67), (22, 74), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 69), (26, 40), (26, 56), (30, 80), (31, 33), (33, 91), (34, 52), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 45), (39, 87), (40, 68), (43, 44), (46, 47), (47, 48), (50, 65), (55, 56), (55, 81), (64, 65), (64, 91), (66, 67), (66, 72), (69, 81), (73, 74), (73, 75), (75, 76), (79, 82)] adding cut for [(8, 89), (9, 84), (9, 83), (12, 20), (12, 63), (49, 83), (20, 49), (61, 84), (63, 89)] adding cut for [(99, 101), (38, 99), (38, 93), (86, 92), (86, 94), (92, 101), (93, 98), (94, 100)] Optimize a model with 163 rows, 5050 columns and 25676 nonzeros Presolve time: 0.05s Presolved: 163 rows, 5050 columns, 25676 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.210463e+03, 313 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1210.46296 0 70 3924.00000 1210.46296 69.2% - 0s Another try with MIP start H 0 0 1217.0000000 1210.46296 0.54% - 0s 0 0 1211.33333 0 55 1217.00000 1211.33333 0.47% - 0s 0 0 1211.33333 0 70 1217.00000 1211.33333 0.47% - 0s 0 0 1211.64800 0 77 1217.00000 1211.64800 0.44% - 0s 0 0 1212.14970 0 98 1217.00000 1212.14970 0.40% - 0s 0 0 1212.35200 0 101 1217.00000 1212.35200 0.38% - 0s 0 2 1212.50554 0 101 1217.00000 1212.50554 0.37% - 0s * 23 11 21 1214.0000000 1213.80000 0.02% 35.6 0s Cutting planes: Gomory: 8 MIR: 1 Zero half: 9 Explored 24 nodes (1569 simplex iterations) in 0.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.214000000000e+03, best bound 1.214000000000e+03, gap 0.0% adding cut for [(11, 32), (11, 64), (21, 33), (21, 67), (22, 74), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 66), (40, 68), (42, 75), (55, 56), (57, 76), (64, 91), (66, 72), (67, 72), (73, 74), (73, 75)] adding cut for [(99, 101), (38, 99), (38, 93), (6, 85), (6, 61), (39, 87), (9, 46), (9, 84), (92, 101), (17, 45), (17, 92), (18, 46), (18, 87), (86, 94), (15, 39), (15, 45), (60, 94), (60, 93), (61, 84), (62, 85), (62, 86)] adding cut for [(37, 47), (37, 50), (8, 83), (12, 65), (12, 20), (47, 48), (48, 49), (49, 83), (50, 65), (20, 63), (63, 89)] Optimize a model with 166 rows, 5050 columns and 26330 nonzeros Presolve time: 0.05s Presolved: 166 rows, 5050 columns, 26330 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.210474e+03, 321 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1210.47396 0 69 3924.00000 1210.47396 69.2% - 0s Another try with MIP start H 0 0 1264.0000000 1210.47396 4.23% - 0s 0 0 1211.58824 0 87 1264.00000 1211.58824 4.15% - 0s 0 0 1212.14583 0 90 1264.00000 1212.14583 4.10% - 0s H 0 0 1218.0000000 1212.14583 0.48% - 0s 0 0 1212.31250 0 86 1218.00000 1212.31250 0.47% - 0s 0 0 1212.31250 0 72 1218.00000 1212.31250 0.47% - 0s 0 0 1212.54113 0 94 1218.00000 1212.54113 0.45% - 0s 0 0 1212.61908 0 107 1218.00000 1212.61908 0.44% - 0s 0 0 1212.64065 0 102 1218.00000 1212.64065 0.44% - 0s 0 0 1212.64521 0 109 1218.00000 1212.64521 0.44% - 0s 0 0 1212.69260 0 111 1218.00000 1212.69260 0.44% - 0s 0 0 1212.70473 0 110 1218.00000 1212.70473 0.43% - 0s 0 0 1212.70473 0 111 1218.00000 1212.70473 0.43% - 0s 0 0 1212.70473 0 110 1218.00000 1212.70473 0.43% - 0s 0 2 1212.73121 0 110 1218.00000 1212.73121 0.43% - 0s * 31 20 21 1215.0000000 1213.00000 0.16% 17.2 0s * 54 2 7 1214.0000000 1213.70000 0.02% 15.4 0s Cutting planes: Gomory: 3 MIR: 3 Zero half: 18 Explored 55 nodes (1688 simplex iterations) in 0.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.214000000000e+03, best bound 1.214000000000e+03, gap 0.0% adding cut for [(10, 52), (10, 72), (15, 43), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (34, 51), (34, 82), (35, 36), (35, 79), (36, 66), (38, 93), (38, 99), (39, 45), (39, 87), (40, 68), (42, 58), (43, 44), (52, 82), (57, 76), (66, 67), (67, 72), (73, 75), (73, 76), (92, 101), (99, 101)] adding cut for [(64, 91), (37, 47), (37, 50), (33, 91), (8, 83), (12, 64), (12, 65), (47, 48), (49, 83), (50, 65), (20, 48), (20, 49), (21, 33), (21, 31), (31, 71)] adding cut for [(6, 62), (6, 85), (9, 46), (9, 84), (18, 46), (18, 85), (62, 86), (86, 94), (60, 100), (61, 84), (94, 100)] adding cut for [(4, 80), (4, 78), (78, 80)] Optimize a model with 170 rows, 5050 columns and 27222 nonzeros Presolve time: 0.05s Presolved: 170 rows, 5050 columns, 27222 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.210644e+03, 329 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1210.64394 0 79 3924.00000 1210.64394 69.1% - 0s Another try with MIP start H 0 0 1222.0000000 1210.64394 0.93% - 0s 0 0 1211.78022 0 88 1222.00000 1211.78022 0.84% - 0s 0 0 1211.78022 0 79 1222.00000 1211.78022 0.84% - 0s 0 0 1212.21320 0 90 1222.00000 1212.21320 0.80% - 0s 0 0 1212.52606 0 97 1222.00000 1212.52606 0.78% - 0s 0 0 1212.65420 0 103 1222.00000 1212.65420 0.76% - 0s H 0 0 1219.0000000 1212.65420 0.52% - 0s 0 0 1212.93536 0 101 1219.00000 1212.93536 0.50% - 0s 0 2 1213.24919 0 100 1219.00000 1213.24919 0.47% - 0s H 7 5 1217.0000000 1213.27523 0.31% 0.4 0s * 52 12 46 1216.0000000 1213.44608 0.21% 33.0 1s * 80 7 34 1215.0000000 1213.86371 0.09% 30.1 1s Cutting planes: Gomory: 10 MIR: 2 Zero half: 26 Explored 88 nodes (3284 simplex iterations) in 1.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.215000000000e+03, best bound 1.215000000000e+03, gap 0.0% adding cut for [(9, 47), (9, 83), (12, 20), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (17, 87), (17, 92), (18, 46), (18, 87), (20, 63), (22, 74), (23, 42), (23, 76), (37, 48), (37, 50), (39, 45), (42, 58), (43, 44), (45, 92), (46, 47), (48, 49), (49, 83), (50, 65), (63, 89), (73, 74), (73, 75), (75, 76)] adding cut for [(66, 72), (35, 36), (35, 79), (36, 66), (10, 72), (10, 52), (34, 82), (34, 51), (79, 80), (52, 82), (4, 78), (4, 80)] adding cut for [(5, 57), (40, 68), (25, 55), (25, 30), (55, 56), (24, 68), (24, 57), (26, 40), (26, 56), (30, 69), (69, 81)] adding cut for [(6, 62), (6, 85), (84, 85), (62, 86), (86, 94), (60, 100), (60, 93), (61, 84), (94, 100)] adding cut for [(64, 91), (33, 67), (33, 91), (11, 64), (11, 32), (21, 67), (21, 31), (31, 71)] adding cut for [(99, 101), (38, 99), (38, 101)] Optimize a model with 176 rows, 5050 columns and 27915 nonzeros Presolve time: 0.05s Presolved: 176 rows, 5050 columns, 27915 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.211109e+03, 355 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1211.10944 0 84 3924.00000 1211.10944 69.1% - 0s Another try with MIP start H 0 0 1222.0000000 1211.10944 0.89% - 0s 0 0 1211.86702 0 80 1222.00000 1211.86702 0.83% - 0s 0 0 1211.86702 0 85 1222.00000 1211.86702 0.83% - 0s 0 0 1212.25000 0 74 1222.00000 1212.25000 0.80% - 0s 0 0 1212.35680 0 92 1222.00000 1212.35680 0.79% - 0s 0 0 1212.84127 0 95 1222.00000 1212.84127 0.75% - 0s 0 0 1212.87823 0 109 1222.00000 1212.87823 0.75% - 0s 0 0 1213.04444 0 108 1222.00000 1213.04444 0.73% - 0s 0 0 1213.15686 0 111 1222.00000 1213.15686 0.72% - 0s 0 0 1213.19663 0 116 1222.00000 1213.19663 0.72% - 0s 0 0 1213.23162 0 115 1222.00000 1213.23162 0.72% - 0s 0 0 1213.25176 0 120 1222.00000 1213.25176 0.72% - 0s 0 0 1213.30100 0 116 1222.00000 1213.30100 0.71% - 0s 0 0 1213.32612 0 118 1222.00000 1213.32612 0.71% - 0s 0 0 1213.34056 0 115 1222.00000 1213.34056 0.71% - 0s 0 0 1213.34056 0 119 1222.00000 1213.34056 0.71% - 0s 0 0 1213.34421 0 121 1222.00000 1213.34421 0.71% - 0s 0 0 1213.34421 0 120 1222.00000 1213.34421 0.71% - 0s 0 2 1213.34514 0 120 1222.00000 1213.34514 0.71% - 0s * 49 49 34 1217.0000000 1213.46242 0.29% 14.3 0s * 95 42 15 1216.0000000 1213.52698 0.20% 16.0 0s * 122 10 10 1215.0000000 1213.53880 0.12% 15.8 0s Cutting planes: Gomory: 2 MIR: 2 Zero half: 32 Explored 135 nodes (3081 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.215000000000e+03, best bound 1.215000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (11, 32), (11, 71), (15, 43), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (18, 62), (18, 85), (21, 31), (21, 33), (22, 74), (23, 42), (23, 76), (31, 71), (33, 91), (37, 48), (37, 50), (38, 99), (38, 101), (39, 45), (39, 87), (42, 58), (43, 44), (46, 84), (47, 48), (50, 65), (62, 86), (64, 65), (64, 91), (73, 74), (73, 75), (75, 76), (84, 85), (86, 99), (92, 101)] adding cut for [(66, 67), (67, 72), (36, 66), (10, 72), (10, 52), (34, 82), (34, 52), (79, 82), (35, 36), (35, 79)] adding cut for [(5, 57), (40, 68), (55, 56), (24, 68), (24, 57), (26, 40), (26, 56)] adding cut for [(8, 89), (12, 20), (12, 63), (49, 83), (20, 49), (63, 89)] Optimize a model with 180 rows, 5050 columns and 28789 nonzeros Presolve time: 0.05s Presolved: 180 rows, 5050 columns, 28789 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.211353e+03, 321 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1211.35256 0 86 3924.00000 1211.35256 69.1% - 0s Another try with MIP start H 0 0 1218.0000000 1211.35256 0.55% - 0s 0 0 1212.38889 0 85 1218.00000 1212.38889 0.46% - 0s 0 0 1212.38889 0 86 1218.00000 1212.38889 0.46% - 0s 0 0 1212.58371 0 87 1218.00000 1212.58371 0.44% - 0s 0 0 1212.83220 0 95 1218.00000 1212.83220 0.42% - 0s 0 0 1213.10108 0 101 1218.00000 1213.10108 0.40% - 0s 0 2 1213.58594 0 101 1218.00000 1213.58594 0.36% - 0s H 1 2 1217.0000000 1213.58594 0.28% 4.0 0s H 12 9 1216.0000000 1214.08216 0.16% 0.3 0s H 12 8 1215.0000000 1214.08216 0.08% 0.3 0s Cutting planes: Gomory: 7 Zero half: 10 Explored 12 nodes (1448 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.215000000000e+03, best bound 1.215000000000e+03, gap 0.0% adding cut for [(6, 62), (6, 85), (9, 46), (9, 47), (10, 52), (10, 72), (18, 46), (18, 85), (21, 31), (21, 67), (31, 52), (33, 67), (33, 91), (34, 51), (34, 82), (35, 36), (35, 79), (36, 66), (37, 47), (37, 50), (50, 65), (60, 100), (62, 86), (64, 65), (64, 91), (66, 72), (79, 82), (86, 94), (94, 100)] adding cut for [(4, 78), (4, 80), (69, 78), (69, 81), (40, 68), (73, 75), (73, 74), (42, 75), (23, 42), (23, 76), (22, 74), (57, 76), (24, 68), (24, 57), (55, 56), (25, 55), (25, 30), (26, 40), (26, 56), (30, 80)] adding cut for [(38, 99), (38, 101), (39, 45), (43, 88), (43, 58), (45, 87), (15, 39), (15, 44), (16, 44), (16, 58), (17, 87), (17, 92), (88, 98), (92, 101), (93, 99)] adding cut for [(8, 83), (12, 20), (12, 63), (48, 49), (49, 83), (20, 48), (63, 89)] Optimize a model with 184 rows, 5050 columns and 29582 nonzeros Presolve time: 0.05s Presolved: 184 rows, 5050 columns, 29582 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.212025e+03, 309 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1212.02491 0 88 3924.00000 1212.02491 69.1% - 0s Another try with MIP start H 0 0 1220.0000000 1212.02491 0.65% - 0s 0 0 1212.62333 0 106 1220.00000 1212.62333 0.60% - 0s 0 0 1212.62333 0 90 1220.00000 1212.62333 0.60% - 0s 0 0 1212.63168 0 99 1220.00000 1212.63168 0.60% - 0s 0 0 1212.89744 0 107 1220.00000 1212.89744 0.58% - 0s 0 0 1212.89744 0 113 1220.00000 1212.89744 0.58% - 0s 0 0 1213.05025 0 106 1220.00000 1213.05025 0.57% - 0s 0 0 1213.05025 0 109 1220.00000 1213.05025 0.57% - 0s 0 0 1213.10130 0 104 1220.00000 1213.10130 0.57% - 0s 0 0 1213.10202 0 113 1220.00000 1213.10202 0.57% - 0s 0 0 1213.19667 0 118 1220.00000 1213.19667 0.56% - 0s 0 0 1213.31983 0 116 1220.00000 1213.31983 0.55% - 0s 0 0 1213.42349 0 117 1220.00000 1213.42349 0.54% - 0s 0 0 1213.43314 0 118 1220.00000 1213.43314 0.54% - 0s 0 0 1213.46848 0 121 1220.00000 1213.46848 0.54% - 0s 0 0 1213.51392 0 123 1220.00000 1213.51392 0.53% - 0s 0 0 1213.63173 0 120 1220.00000 1213.63173 0.52% - 0s 0 0 1213.70386 0 119 1220.00000 1213.70386 0.52% - 0s 0 0 1213.74241 0 110 1220.00000 1213.74241 0.51% - 0s 0 2 1214.05934 0 110 1220.00000 1214.05934 0.49% - 0s H 1 2 1217.0000000 1214.05934 0.24% 3.0 0s * 36 5 25 1216.0000000 1214.29864 0.14% 30.6 0s Cutting planes: Gomory: 10 MIR: 2 Zero half: 21 Explored 61 nodes (2510 simplex iterations) in 0.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.216000000000e+03, best bound 1.216000000000e+03, gap 0.0% adding cut for [(8, 83), (10, 52), (10, 72), (11, 63), (11, 64), (12, 20), (12, 65), (20, 63), (21, 33), (21, 67), (31, 52), (31, 71), (33, 91), (36, 66), (36, 72), (37, 47), (37, 50), (47, 48), (48, 49), (49, 83), (50, 65), (64, 91), (66, 67)] adding cut for [(15, 43), (15, 44), (16, 44), (16, 58), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 35), (34, 51), (34, 82), (35, 79), (40, 68), (42, 58), (43, 88), (57, 76), (75, 76), (79, 82), (88, 98)] adding cut for [(4, 80), (69, 78), (69, 81), (73, 74), (78, 80), (22, 74), (55, 81), (5, 73), (5, 55)] adding cut for [(6, 100), (6, 85), (9, 46), (9, 84), (18, 46), (18, 85), (60, 93), (60, 94), (94, 100)] adding cut for [(38, 99), (38, 101), (39, 45), (39, 87), (45, 92), (17, 87), (17, 62), (86, 99), (92, 101), (62, 86)] Optimize a model with 189 rows, 5050 columns and 30269 nonzeros Presolve time: 0.05s Presolved: 189 rows, 5050 columns, 30269 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.212121e+03, 385 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1212.12109 0 89 3924.00000 1212.12109 69.1% - 0s Another try with MIP start H 0 0 1229.0000000 1212.12109 1.37% - 0s H 0 0 1219.0000000 1212.12109 0.56% - 0s 0 0 1212.75909 0 104 1219.00000 1212.75909 0.51% - 0s 0 0 1212.75909 0 90 1219.00000 1212.75909 0.51% - 0s 0 0 1212.93894 0 107 1219.00000 1212.93894 0.50% - 0s 0 0 1213.36645 0 99 1219.00000 1213.36645 0.46% - 0s H 0 0 1218.0000000 1213.36645 0.38% - 0s 0 0 1213.59626 0 107 1218.00000 1213.59626 0.36% - 0s 0 2 1213.84768 0 105 1218.00000 1213.84768 0.34% - 0s H 1 2 1216.0000000 1213.84768 0.18% 8.0 0s Cutting planes: Gomory: 15 Implied bound: 1 MIR: 2 Zero half: 13 Explored 31 nodes (1817 simplex iterations) in 0.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.216000000000e+03, best bound 1.216000000000e+03, gap 0.0% adding cut for [(6, 62), (6, 85), (9, 46), (9, 47), (12, 64), (12, 65), (18, 46), (18, 85), (21, 33), (21, 67), (25, 30), (25, 81), (30, 79), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (47, 48), (50, 65), (60, 93), (60, 100), (62, 86), (64, 91), (66, 67), (66, 72), (69, 81), (86, 94), (94, 100)] adding cut for [(15, 44), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (23, 42), (23, 75), (24, 57), (24, 68), (26, 40), (26, 56), (38, 99), (38, 101), (39, 45), (39, 87), (40, 68), (42, 58), (43, 88), (43, 101), (55, 56), (57, 76), (75, 76), (88, 98), (92, 99)] adding cut for [(34, 80), (34, 82), (4, 78), (4, 80), (10, 82), (10, 52), (11, 32), (11, 71), (31, 71), (31, 52)] Optimize a model with 192 rows, 5050 columns and 31114 nonzeros Presolve time: 0.05s Presolved: 192 rows, 5050 columns, 31114 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.212151e+03, 341 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1212.15066 0 94 3924.00000 1212.15066 69.1% - 0s Another try with MIP start H 0 0 1222.0000000 1212.15066 0.81% - 0s H 0 0 1219.0000000 1212.15066 0.56% - 0s 0 0 1212.72007 0 109 1219.00000 1212.72007 0.52% - 0s 0 0 1212.72007 0 94 1219.00000 1212.72007 0.52% - 0s 0 0 1213.07765 0 100 1219.00000 1213.07765 0.49% - 0s 0 0 1213.33826 0 108 1219.00000 1213.33826 0.46% - 0s 0 0 1213.62216 0 117 1219.00000 1213.62216 0.44% - 0s 0 0 1213.63801 0 115 1219.00000 1213.63801 0.44% - 0s H 0 0 1218.0000000 1213.63801 0.36% - 0s 0 2 1214.03897 0 112 1218.00000 1214.03897 0.33% - 0s H 63 28 1217.0000000 1214.59463 0.20% 32.3 0s * 87 3 24 1216.0000000 1214.69777 0.11% 28.7 0s Cutting planes: Gomory: 10 MIR: 3 Zero half: 21 Explored 91 nodes (3346 simplex iterations) in 0.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.216000000000e+03, best bound 1.216000000000e+03, gap 0.0% adding cut for [(10, 52), (10, 82), (11, 64), (11, 71), (16, 44), (16, 58), (21, 33), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 52), (31, 71), (33, 91), (34, 51), (34, 82), (35, 36), (35, 79), (36, 72), (40, 68), (42, 58), (43, 44), (43, 88), (57, 76), (64, 91), (66, 67), (66, 72), (73, 74), (73, 76), (74, 75), (88, 98)] adding cut for [(38, 99), (38, 101), (6, 85), (6, 62), (39, 87), (15, 39), (15, 45), (17, 45), (17, 92), (18, 85), (18, 87), (86, 99), (92, 101), (62, 86)] adding cut for [(37, 48), (37, 50), (12, 65), (12, 20), (48, 49), (49, 83), (50, 65), (83, 84), (20, 63), (61, 84), (63, 89)] adding cut for [(4, 69), (4, 80), (69, 81), (78, 80), (55, 81), (5, 55)] adding cut for [(9, 46), (9, 47), (46, 47)] Optimize a model with 197 rows, 5050 columns and 31998 nonzeros Presolve time: 0.05s Presolved: 197 rows, 5050 columns, 31998 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.212460e+03, 301 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1212.45977 0 86 3924.00000 1212.45977 69.1% - 0s Another try with MIP start H 0 0 1221.0000000 1212.45977 0.70% - 0s 0 0 1213.28973 0 99 1221.00000 1213.28973 0.63% - 0s 0 0 1213.28973 0 90 1221.00000 1213.28973 0.63% - 0s 0 0 1213.36805 0 94 1221.00000 1213.36805 0.63% - 0s 0 0 1213.72691 0 106 1221.00000 1213.72691 0.60% - 0s 0 0 1213.97296 0 105 1221.00000 1213.97296 0.58% - 0s 0 0 1213.97296 0 108 1221.00000 1213.97296 0.58% - 0s 0 0 1214.01431 0 111 1221.00000 1214.01431 0.57% - 0s 0 0 1214.01572 0 115 1221.00000 1214.01572 0.57% - 0s 0 0 1214.01572 0 117 1221.00000 1214.01572 0.57% - 0s 0 0 1214.01572 0 117 1221.00000 1214.01572 0.57% - 0s H 0 0 1220.0000000 1214.01572 0.49% - 0s 0 2 1214.02446 0 117 1220.00000 1214.02446 0.49% - 0s H 27 23 1217.0000000 1214.08070 0.24% 21.0 0s Cutting planes: Gomory: 3 MIR: 1 Zero half: 15 Explored 235 nodes (3899 simplex iterations) in 0.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.217000000000e+03, best bound 1.217000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (9, 47), (9, 83), (12, 20), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 87), (20, 63), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 81), (37, 48), (37, 50), (38, 93), (38, 99), (39, 45), (40, 68), (43, 44), (45, 92), (46, 47), (48, 49), (49, 83), (50, 65), (57, 76), (60, 93), (60, 94), (62, 86), (63, 89), (69, 81), (86, 94), (92, 101), (99, 101)] adding cut for [(64, 91), (33, 91), (66, 72), (66, 67), (35, 36), (35, 79), (36, 72), (11, 64), (11, 32), (79, 80), (21, 33), (21, 67), (4, 78), (4, 80)] Optimize a model with 199 rows, 5050 columns and 33138 nonzeros Presolve time: 0.05s Presolved: 199 rows, 5050 columns, 33138 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.212460e+03, 313 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1212.45977 0 91 3924.00000 1212.45977 69.1% - 0s Another try with MIP start H 0 0 1221.0000000 1212.45977 0.70% - 0s 0 0 1213.42604 0 97 1221.00000 1213.42604 0.62% - 0s 0 0 1213.42604 0 89 1221.00000 1213.42604 0.62% - 0s 0 0 1213.50963 0 98 1221.00000 1213.50963 0.61% - 0s 0 0 1213.76133 0 100 1221.00000 1213.76133 0.59% - 0s 0 0 1213.82892 0 109 1221.00000 1213.82892 0.59% - 0s 0 0 1213.89245 0 110 1221.00000 1213.89245 0.58% - 0s 0 0 1213.93278 0 109 1221.00000 1213.93278 0.58% - 0s 0 0 1213.96808 0 113 1221.00000 1213.96808 0.58% - 0s 0 0 1214.08084 0 106 1221.00000 1214.08084 0.57% - 0s 0 0 1214.08323 0 111 1221.00000 1214.08323 0.57% - 0s 0 0 1214.10532 0 104 1221.00000 1214.10532 0.56% - 0s 0 0 1214.11044 0 112 1221.00000 1214.11044 0.56% - 0s 0 0 1214.13469 0 113 1221.00000 1214.13469 0.56% - 0s 0 0 1214.18411 0 115 1221.00000 1214.18411 0.56% - 0s 0 0 1214.18722 0 117 1221.00000 1214.18722 0.56% - 0s 0 2 1214.27778 0 117 1221.00000 1214.27778 0.55% - 0s * 38 19 23 1218.0000000 1214.72503 0.27% 36.9 1s * 151 3 20 1217.0000000 1215.94468 0.09% 23.0 1s Cutting planes: Gomory: 13 MIR: 3 Zero half: 19 Explored 155 nodes (4363 simplex iterations) in 1.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.217000000000e+03, best bound 1.217000000000e+03, gap 0.0% adding cut for [(4, 34), (4, 80), (10, 52), (10, 72), (15, 39), (15, 43), (16, 44), (16, 58), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (34, 82), (35, 36), (35, 79), (36, 66), (38, 99), (38, 101), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (52, 82), (55, 56), (57, 76), (66, 72), (69, 78), (69, 81), (73, 75), (73, 76), (78, 80), (88, 98), (92, 101), (93, 98), (93, 99)] adding cut for [(64, 65), (64, 91), (37, 50), (37, 47), (33, 67), (33, 91), (31, 71), (50, 65), (46, 47), (17, 62), (17, 87), (18, 46), (18, 87), (62, 86), (86, 94), (60, 100), (60, 94), (21, 67), (21, 31)] adding cut for [(6, 85), (6, 61), (9, 83), (9, 84), (11, 32), (11, 63), (12, 20), (12, 63), (48, 49), (49, 83), (84, 85), (20, 48)] Optimize a model with 202 rows, 5050 columns and 34267 nonzeros Presolve time: 0.05s Presolved: 202 rows, 5050 columns, 34267 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.212659e+03, 339 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1212.65894 0 88 3924.00000 1212.65894 69.1% - 0s Another try with MIP start H 0 0 1218.0000000 1212.65894 0.44% - 0s 0 0 1213.71583 0 97 1218.00000 1213.71583 0.35% - 0s 0 0 1213.71583 0 88 1218.00000 1213.71583 0.35% - 0s 0 0 1214.01420 0 104 1218.00000 1214.01420 0.33% - 0s 0 0 1214.07779 0 109 1218.00000 1214.07779 0.32% - 0s 0 0 1214.09659 0 112 1218.00000 1214.09659 0.32% - 0s 0 0 1214.16886 0 110 1218.00000 1214.16886 0.31% - 0s 0 0 1214.19589 0 112 1218.00000 1214.19589 0.31% - 0s 0 0 1214.20893 0 109 1218.00000 1214.20893 0.31% - 0s 0 0 1214.23519 0 113 1218.00000 1214.23519 0.31% - 0s 0 0 1214.23607 0 115 1218.00000 1214.23607 0.31% - 0s 0 0 1214.28374 0 111 1218.00000 1214.28374 0.31% - 0s 0 0 1214.28721 0 114 1218.00000 1214.28721 0.30% - 0s 0 2 1214.57325 0 114 1218.00000 1214.57325 0.28% - 0s * 62 11 24 1217.0000000 1215.51231 0.12% 30.9 0s Cutting planes: Gomory: 18 MIR: 6 Zero half: 14 Explored 81 nodes (2988 simplex iterations) in 0.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.217000000000e+03, best bound 1.217000000000e+03, gap 0.0% adding cut for [(15, 39), (15, 44), (16, 44), (16, 58), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 69), (38, 99), (38, 101), (39, 45), (40, 68), (42, 58), (43, 88), (43, 101), (45, 92), (55, 56), (57, 76), (69, 81), (86, 92), (86, 94), (94, 99)] adding cut for [(37, 50), (37, 48), (6, 85), (6, 62), (49, 83), (9, 46), (9, 47), (12, 65), (12, 20), (50, 65), (47, 48), (17, 87), (17, 62), (18, 46), (18, 87), (84, 85), (20, 49), (61, 84)] adding cut for [(64, 91), (33, 91), (66, 72), (66, 67), (35, 36), (35, 79), (36, 72), (32, 63), (11, 64), (11, 63), (79, 80), (21, 33), (21, 67), (4, 78), (4, 80)] Optimize a model with 205 rows, 5050 columns and 34936 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.06s Presolved: 204 rows, 5050 columns, 34831 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.212659e+03, 321 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1212.65894 0 86 3924.00000 1212.65894 69.1% - 0s Another try with MIP start H 0 0 1222.0000000 1212.65894 0.76% - 0s H 0 0 1221.0000000 1212.65894 0.68% - 0s 0 0 1213.42364 0 103 1221.00000 1213.42364 0.62% - 0s 0 0 1213.42364 0 88 1221.00000 1213.42364 0.62% - 0s 0 0 1213.82596 0 100 1221.00000 1213.82596 0.59% - 0s 0 0 1214.04365 0 101 1221.00000 1214.04365 0.57% - 0s 0 0 1214.14336 0 107 1221.00000 1214.14336 0.56% - 0s 0 0 1214.16781 0 109 1221.00000 1214.16781 0.56% - 0s 0 0 1214.16781 0 112 1221.00000 1214.16781 0.56% - 0s 0 0 1214.16781 0 111 1221.00000 1214.16781 0.56% - 0s 0 0 1214.16781 0 115 1221.00000 1214.16781 0.56% - 0s 0 0 1214.16781 0 115 1221.00000 1214.16781 0.56% - 0s 0 2 1214.18010 0 115 1221.00000 1214.18010 0.56% - 0s * 45 36 30 1219.0000000 1214.45488 0.37% 18.8 0s H 148 48 1218.0000000 1214.79123 0.26% 18.2 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 18 Explored 407 nodes (7400 simplex iterations) in 0.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.218000000000e+03, best bound 1.218000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (18, 46), (18, 85), (21, 33), (21, 67), (25, 30), (25, 81), (30, 79), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (50, 65), (61, 84), (64, 65), (64, 91), (66, 67), (66, 72), (69, 81), (84, 85)] adding cut for [(15, 43), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (22, 74), (23, 42), (23, 76), (38, 93), (38, 99), (39, 45), (39, 87), (42, 58), (43, 44), (57, 73), (57, 76), (60, 93), (73, 75), (74, 75), (92, 101), (99, 101)] adding cut for [(34, 80), (34, 82), (4, 78), (4, 80), (10, 82), (10, 52), (31, 71), (31, 52)] adding cut for [(19, 83), (11, 32), (11, 63), (12, 20), (12, 63), (48, 49), (49, 83), (20, 48)] adding cut for [(86, 94), (94, 100), (62, 86), (6, 100), (6, 62)] adding cut for [(24, 40), (24, 68), (40, 68)] Optimize a model with 211 rows, 5050 columns and 35550 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.06s Presolved: 210 rows, 5050 columns, 35445 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.212666e+03, 330 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1212.66565 0 92 3924.00000 1212.66565 69.1% - 0s Another try with MIP start H 0 0 1221.0000000 1212.66565 0.68% - 0s 0 0 1213.35830 0 105 1221.00000 1213.35830 0.63% - 0s 0 0 1213.35830 0 92 1221.00000 1213.35830 0.63% - 0s 0 0 1213.56229 0 99 1221.00000 1213.56229 0.61% - 0s 0 0 1213.75578 0 102 1221.00000 1213.75578 0.59% - 0s 0 0 1213.84794 0 105 1221.00000 1213.84794 0.59% - 0s 0 0 1213.88225 0 101 1221.00000 1213.88225 0.58% - 0s 0 0 1213.92564 0 106 1221.00000 1213.92564 0.58% - 0s 0 0 1213.97996 0 108 1221.00000 1213.97996 0.57% - 0s 0 0 1213.98000 0 111 1221.00000 1213.98000 0.57% - 0s 0 0 1214.00316 0 115 1221.00000 1214.00316 0.57% - 0s 0 0 1214.00644 0 118 1221.00000 1214.00644 0.57% - 0s 0 0 1214.06143 0 114 1221.00000 1214.06143 0.57% - 0s 0 0 1214.12719 0 111 1221.00000 1214.12719 0.56% - 0s 0 0 1214.16319 0 114 1221.00000 1214.16319 0.56% - 0s 0 0 1214.24683 0 115 1221.00000 1214.24683 0.55% - 0s 0 0 1214.30100 0 121 1221.00000 1214.30100 0.55% - 0s 0 0 1214.30100 0 122 1221.00000 1214.30100 0.55% - 0s 0 0 1214.31548 0 120 1221.00000 1214.31548 0.55% - 0s 0 0 1214.32288 0 122 1221.00000 1214.32288 0.55% - 0s 0 0 1214.38490 0 120 1221.00000 1214.38490 0.54% - 0s 0 0 1214.40504 0 120 1221.00000 1214.40504 0.54% - 0s 0 2 1214.72512 0 120 1221.00000 1214.72512 0.51% - 0s H 1 2 1220.0000000 1214.72512 0.43% 3.0 0s * 51 21 31 1218.0000000 1214.78562 0.26% 33.0 1s Cutting planes: Gomory: 16 MIR: 1 Zero half: 28 Explored 194 nodes (5203 simplex iterations) in 1.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.218000000000e+03, best bound 1.218000000000e+03, gap 0.0% adding cut for [(4, 30), (4, 80), (12, 64), (12, 65), (15, 44), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (20, 48), (20, 49), (21, 33), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (39, 45), (39, 87), (40, 68), (42, 58), (43, 88), (43, 101), (47, 48), (49, 83), (50, 65), (57, 76), (64, 91), (66, 67), (66, 72), (73, 74), (73, 76), (74, 75), (79, 80), (92, 101)] adding cut for [(38, 99), (38, 93), (6, 62), (6, 85), (9, 46), (9, 84), (93, 98), (18, 46), (18, 85), (62, 86), (86, 94), (61, 84), (94, 99)] Optimize a model with 213 rows, 5050 columns and 36722 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.06s Presolved: 212 rows, 5050 columns, 36617 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213355e+03, 301 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.35480 0 103 3924.00000 1213.35480 69.1% - 0s Another try with MIP start H 0 0 1224.0000000 1213.35480 0.87% - 0s H 0 0 1222.0000000 1213.35480 0.71% - 0s 0 0 1214.76170 0 106 1222.00000 1214.76170 0.59% - 0s 0 0 1214.76170 0 105 1222.00000 1214.76170 0.59% - 0s 0 0 1214.76511 0 104 1222.00000 1214.76511 0.59% - 0s 0 0 1214.85799 0 106 1222.00000 1214.85799 0.58% - 0s 0 0 1214.86566 0 112 1222.00000 1214.86566 0.58% - 0s 0 0 1214.90256 0 112 1222.00000 1214.90256 0.58% - 0s 0 0 1214.93435 0 112 1222.00000 1214.93435 0.58% - 0s 0 0 1214.98258 0 116 1222.00000 1214.98258 0.57% - 0s 0 0 1214.98593 0 116 1222.00000 1214.98593 0.57% - 0s 0 0 1215.00901 0 120 1222.00000 1215.00901 0.57% - 0s 0 0 1215.05543 0 114 1222.00000 1215.05543 0.57% - 0s 0 0 1215.06943 0 124 1222.00000 1215.06943 0.57% - 0s 0 0 1215.08250 0 123 1222.00000 1215.08250 0.57% - 0s 0 0 1215.08250 0 128 1222.00000 1215.08250 0.57% - 0s 0 0 1215.08380 0 126 1222.00000 1215.08380 0.57% - 0s 0 0 1215.08923 0 126 1222.00000 1215.08923 0.57% - 0s 0 0 1215.08923 0 126 1222.00000 1215.08923 0.57% - 0s 0 2 1215.08979 0 125 1222.00000 1215.08979 0.57% - 0s H 97 62 1220.0000000 1215.38325 0.38% 20.0 0s * 129 62 42 1219.0000000 1215.38325 0.30% 16.9 0s * 730 274 28 1218.0000000 1216.21062 0.15% 16.4 1s Cutting planes: Gomory: 15 MIR: 5 Zero half: 19 Explored 938 nodes (15417 simplex iterations) in 1.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.218000000000e+03, best bound 1.218000000000e+03, gap 0.0% adding cut for [(15, 43), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 69), (38, 93), (38, 99), (39, 45), (39, 87), (40, 68), (42, 58), (43, 44), (55, 56), (57, 76), (69, 81), (92, 101), (93, 98), (99, 101)] adding cut for [(9, 46), (9, 47), (10, 52), (10, 82), (11, 32), (11, 71), (12, 64), (12, 65), (18, 46), (18, 85), (21, 33), (21, 67), (31, 52), (31, 71), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (47, 48), (50, 65), (64, 91), (66, 72), (67, 72), (79, 82), (84, 85)] adding cut for [(6, 62), (6, 61), (62, 86), (86, 94), (60, 100), (94, 100)] Optimize a model with 216 rows, 5050 columns and 37527 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.06s Presolved: 215 rows, 5050 columns, 37422 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213355e+03, 314 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.35480 0 101 3924.00000 1213.35480 69.1% - 0s Another try with MIP start H 0 0 1222.0000000 1213.35480 0.71% - 0s 0 0 1214.37898 0 107 1222.00000 1214.37898 0.62% - 0s 0 0 1214.37898 0 104 1222.00000 1214.37898 0.62% - 0s 0 0 1214.76595 0 106 1222.00000 1214.76595 0.59% - 0s 0 0 1214.85799 0 106 1222.00000 1214.85799 0.58% - 0s 0 0 1214.86566 0 113 1222.00000 1214.86566 0.58% - 0s 0 0 1214.90256 0 113 1222.00000 1214.90256 0.58% - 0s 0 0 1214.93556 0 112 1222.00000 1214.93556 0.58% - 0s 0 0 1214.97807 0 115 1222.00000 1214.97807 0.57% - 0s 0 0 1215.05744 0 118 1222.00000 1215.05744 0.57% - 0s 0 0 1215.08289 0 119 1222.00000 1215.08289 0.57% - 0s 0 0 1215.10340 0 124 1222.00000 1215.10340 0.56% - 0s 0 0 1215.11149 0 124 1222.00000 1215.11149 0.56% - 0s 0 0 1215.15883 0 118 1222.00000 1215.15883 0.56% - 0s 0 0 1215.16230 0 122 1222.00000 1215.16230 0.56% - 0s 0 0 1215.16276 0 124 1222.00000 1215.16276 0.56% - 0s 0 0 1215.16276 0 123 1222.00000 1215.16276 0.56% - 0s 0 2 1215.16973 0 123 1222.00000 1215.16973 0.56% - 0s H 46 42 1220.0000000 1215.40337 0.38% 25.4 0s * 392 152 18 1219.0000000 1216.06016 0.24% 16.6 0s H 600 65 1218.0000000 1216.31164 0.14% 16.1 1s Cutting planes: Gomory: 12 MIR: 2 Zero half: 9 Explored 730 nodes (13140 simplex iterations) in 1.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.218000000000e+03, best bound 1.218000000000e+03, gap 0.0% adding cut for [(5, 73), (8, 89), (9, 83), (9, 84), (10, 52), (10, 72), (12, 64), (12, 65), (18, 46), (18, 85), (20, 48), (20, 63), (21, 31), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (31, 52), (33, 67), (33, 91), (35, 36), (35, 79), (36, 66), (37, 47), (37, 50), (40, 68), (42, 76), (46, 47), (48, 49), (49, 83), (50, 65), (55, 56), (57, 76), (63, 89), (64, 91), (66, 72), (73, 75), (84, 85)] adding cut for [(3, 58), (38, 101), (38, 99), (39, 45), (39, 87), (60, 93), (43, 44), (15, 43), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (92, 101), (93, 99)] adding cut for [(34, 82), (34, 51), (4, 78), (4, 80), (69, 78), (69, 81), (80, 82)] adding cut for [(6, 62), (6, 61), (62, 86), (86, 94), (94, 100)] Optimize a model with 220 rows, 5050 columns and 38680 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 218 rows, 5050 columns, 38565 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213477e+03, 338 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.47686 0 101 3924.00000 1213.47686 69.1% - 0s Another try with MIP start H 0 0 1223.0000000 1213.47686 0.78% - 0s 0 0 1214.37898 0 106 1223.00000 1214.37898 0.70% - 0s 0 0 1214.37898 0 105 1223.00000 1214.37898 0.70% - 0s 0 0 1215.01441 0 112 1223.00000 1215.01441 0.65% - 0s H 0 0 1222.0000000 1215.01441 0.57% - 0s 0 0 1215.02745 0 114 1222.00000 1215.02745 0.57% - 0s 0 2 1215.29034 0 114 1222.00000 1215.29034 0.55% - 0s H 39 27 1220.0000000 1215.47160 0.37% 35.7 1s * 52 21 36 1219.0000000 1215.47160 0.29% 30.5 1s Cutting planes: Gomory: 13 MIR: 1 Zero half: 13 Explored 419 nodes (8987 simplex iterations) in 1.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.219000000000e+03, best bound 1.219000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (4, 78), (4, 80), (6, 62), (6, 85), (9, 46), (9, 47), (12, 64), (12, 65), (15, 39), (15, 44), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (21, 33), (21, 67), (22, 74), (23, 42), (23, 75), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (39, 45), (45, 87), (50, 65), (64, 91), (66, 67), (66, 72), (74, 75), (79, 80)] adding cut for [(5, 73), (40, 68), (73, 76), (25, 55), (25, 30), (55, 56), (24, 68), (24, 57), (57, 76), (26, 40), (26, 56), (30, 81), (69, 81)] adding cut for [(34, 82), (34, 51), (10, 82), (10, 52), (11, 32), (11, 71), (31, 71), (31, 52)] adding cut for [(38, 99), (38, 93), (43, 101), (43, 88), (86, 92), (86, 94), (92, 101), (94, 99)] adding cut for [(8, 89), (48, 49), (49, 83), (20, 48), (20, 63), (63, 89)] Optimize a model with 225 rows, 5050 columns and 39567 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 223 rows, 5050 columns, 39452 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213620e+03, 352 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.62036 0 94 3924.00000 1213.62036 69.1% - 0s Another try with MIP start H 0 0 1223.0000000 1213.62036 0.77% - 0s 0 0 1214.46561 0 99 1223.00000 1214.46561 0.70% - 0s 0 0 1214.46561 0 95 1223.00000 1214.46561 0.70% - 0s 0 0 1214.85899 0 111 1223.00000 1214.85899 0.67% - 0s 0 0 1215.02050 0 117 1223.00000 1215.02050 0.65% - 0s 0 0 1215.21931 0 117 1223.00000 1215.21931 0.64% - 0s 0 0 1215.31216 0 128 1223.00000 1215.31216 0.63% - 0s 0 0 1215.34294 0 129 1223.00000 1215.34294 0.63% - 0s 0 0 1215.42917 0 129 1223.00000 1215.42917 0.62% - 0s 0 0 1215.44734 0 127 1223.00000 1215.44734 0.62% - 0s 0 0 1215.45091 0 129 1223.00000 1215.45091 0.62% - 0s 0 0 1215.45701 0 132 1223.00000 1215.45701 0.62% - 0s 0 0 1215.45701 0 132 1223.00000 1215.45701 0.62% - 0s 0 2 1215.46643 0 132 1223.00000 1215.46643 0.62% - 0s H 54 48 1222.0000000 1215.68497 0.52% 23.9 0s * 303 196 34 1221.0000000 1215.98583 0.41% 16.8 0s H 334 169 1220.0000000 1216.05772 0.32% 16.8 0s * 708 245 31 1219.0000000 1216.42464 0.21% 18.4 1s Cutting planes: Gomory: 15 MIR: 6 Zero half: 24 Explored 1135 nodes (21565 simplex iterations) in 2.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.219000000000e+03, best bound 1.219000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (4, 78), (4, 80), (15, 44), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 35), (35, 79), (39, 45), (39, 87), (40, 68), (55, 56), (57, 76), (62, 86), (69, 78), (69, 81), (79, 80), (86, 94), (94, 100)] adding cut for [(64, 65), (64, 91), (34, 82), (34, 51), (37, 50), (37, 47), (6, 85), (6, 61), (33, 91), (31, 52), (9, 46), (9, 47), (10, 82), (10, 52), (50, 65), (18, 46), (18, 85), (61, 84), (21, 33), (21, 31)] adding cut for [(11, 32), (11, 63), (12, 20), (12, 63), (48, 49), (49, 83), (20, 48)] adding cut for [(66, 67), (67, 72), (36, 72), (36, 66)] Optimize a model with 229 rows, 5050 columns and 40307 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 227 rows, 5050 columns, 40192 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213623e+03, 342 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.62251 0 95 3924.00000 1213.62251 69.1% - 0s Another try with MIP start H 0 0 1228.0000000 1213.62251 1.17% - 0s H 0 0 1223.0000000 1213.62251 0.77% - 0s 0 0 1214.46561 0 99 1223.00000 1214.46561 0.70% - 0s 0 0 1214.46561 0 97 1223.00000 1214.46561 0.70% - 0s 0 0 1215.16703 0 112 1223.00000 1215.16703 0.64% - 0s 0 0 1215.22085 0 118 1223.00000 1215.22085 0.64% - 0s 0 0 1215.29642 0 119 1223.00000 1215.29642 0.63% - 0s 0 0 1215.36958 0 124 1223.00000 1215.36958 0.62% - 0s 0 0 1215.41352 0 124 1223.00000 1215.41352 0.62% - 0s 0 0 1215.43642 0 131 1223.00000 1215.43642 0.62% - 0s 0 0 1215.44019 0 133 1223.00000 1215.44019 0.62% - 0s 0 0 1215.44099 0 133 1223.00000 1215.44099 0.62% - 0s 0 0 1215.44099 0 133 1223.00000 1215.44099 0.62% - 0s 0 2 1215.45989 0 133 1223.00000 1215.45989 0.62% - 0s * 136 97 42 1222.0000000 1215.58175 0.53% 18.0 0s * 233 142 30 1221.0000000 1215.63966 0.44% 18.1 0s * 257 62 14 1219.0000000 1215.65648 0.27% 19.0 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 20 Explored 845 nodes (16032 simplex iterations) in 1.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.219000000000e+03, best bound 1.219000000000e+03, gap 0.0% adding cut for [(5, 57), (6, 61), (6, 100), (9, 46), (9, 47), (12, 64), (12, 65), (15, 39), (15, 45), (17, 62), (17, 87), (18, 46), (18, 85), (21, 31), (21, 67), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 33), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 87), (40, 68), (45, 92), (47, 48), (50, 65), (61, 84), (62, 85), (64, 91), (66, 67), (66, 72), (86, 94), (86, 101), (92, 101), (94, 100)] adding cut for [(3, 42), (3, 58), (22, 74), (43, 44), (43, 88), (16, 44), (16, 58), (75, 76), (73, 75), (73, 74), (23, 42), (23, 76)] adding cut for [(34, 80), (34, 82), (4, 78), (4, 80), (69, 78), (69, 81), (10, 82), (10, 52), (55, 81)] adding cut for [(93, 99), (38, 99), (38, 93)] Optimize a model with 233 rows, 5050 columns and 41379 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 231 rows, 5050 columns, 41264 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213623e+03, 343 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.62251 0 95 3924.00000 1213.62251 69.1% - 0s Another try with MIP start H 0 0 1223.0000000 1213.62251 0.77% - 0s 0 0 1214.46561 0 99 1223.00000 1214.46561 0.70% - 0s 0 0 1214.46561 0 95 1223.00000 1214.46561 0.70% - 0s 0 0 1215.00118 0 107 1223.00000 1215.00118 0.65% - 0s 0 0 1215.17519 0 114 1223.00000 1215.17519 0.64% - 0s 0 0 1215.27530 0 114 1223.00000 1215.27530 0.63% - 0s 0 0 1215.28386 0 112 1223.00000 1215.28386 0.63% - 0s 0 0 1215.29822 0 118 1223.00000 1215.29822 0.63% - 0s 0 0 1215.38142 0 124 1223.00000 1215.38142 0.62% - 0s 0 0 1215.40260 0 123 1223.00000 1215.40260 0.62% - 0s 0 0 1215.40260 0 127 1223.00000 1215.40260 0.62% - 0s 0 0 1215.40640 0 132 1223.00000 1215.40640 0.62% - 0s 0 0 1215.40640 0 132 1223.00000 1215.40640 0.62% - 0s 0 2 1215.40871 0 132 1223.00000 1215.40871 0.62% - 0s * 149 119 55 1222.0000000 1215.71288 0.51% 19.2 0s H 185 129 1221.0000000 1215.78147 0.43% 18.9 0s * 362 160 20 1220.0000000 1216.09898 0.32% 17.5 1s H 593 116 1219.0000000 1216.48266 0.21% 17.2 1s Cutting planes: Gomory: 2 MIR: 2 Zero half: 16 Explored 1044 nodes (17731 simplex iterations) in 1.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.219000000000e+03, best bound 1.219000000000e+03, gap 0.0% adding cut for [(8, 49), (12, 64), (12, 65), (15, 39), (15, 44), (16, 42), (16, 44), (20, 48), (20, 49), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (38, 99), (38, 101), (39, 45), (40, 68), (45, 92), (50, 65), (55, 56), (57, 76), (60, 93), (60, 100), (64, 91), (66, 72), (67, 72), (92, 101), (93, 99)] adding cut for [(6, 85), (6, 94), (9, 47), (9, 83), (62, 86), (46, 47), (17, 62), (17, 87), (18, 46), (18, 87), (84, 85), (86, 94), (61, 84)] adding cut for [(34, 82), (34, 51), (10, 82), (10, 52), (11, 71), (11, 63), (63, 89), (31, 71), (31, 52)] Optimize a model with 236 rows, 5050 columns and 42376 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 234 rows, 5050 columns, 42261 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213623e+03, 351 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.62251 0 98 3924.00000 1213.62251 69.1% - 0s Another try with MIP start H 0 0 1231.0000000 1213.62251 1.41% - 0s H 0 0 1223.0000000 1213.62251 0.77% - 0s 0 0 1214.99689 0 109 1223.00000 1214.99689 0.65% - 0s 0 0 1214.99689 0 97 1223.00000 1214.99689 0.65% - 0s 0 0 1215.16982 0 114 1223.00000 1215.16982 0.64% - 0s 0 0 1215.26399 0 115 1223.00000 1215.26399 0.63% - 0s 0 0 1215.26399 0 118 1223.00000 1215.26399 0.63% - 0s 0 0 1215.27449 0 120 1223.00000 1215.27449 0.63% - 0s 0 0 1215.30441 0 120 1223.00000 1215.30441 0.63% - 0s 0 0 1215.36524 0 127 1223.00000 1215.36524 0.62% - 0s 0 0 1215.40399 0 124 1223.00000 1215.40399 0.62% - 0s 0 0 1215.41295 0 130 1223.00000 1215.41295 0.62% - 0s 0 0 1215.41760 0 132 1223.00000 1215.41760 0.62% - 0s 0 0 1215.44144 0 126 1223.00000 1215.44144 0.62% - 0s 0 0 1215.44144 0 129 1223.00000 1215.44144 0.62% - 0s 0 0 1215.46370 0 127 1223.00000 1215.46370 0.62% - 0s 0 0 1215.46370 0 128 1223.00000 1215.46370 0.62% - 0s 0 0 1215.46452 0 129 1223.00000 1215.46452 0.62% - 0s 0 0 1215.46452 0 129 1223.00000 1215.46452 0.62% - 0s 0 2 1215.47107 0 129 1223.00000 1215.47107 0.62% - 0s * 154 91 30 1221.0000000 1216.14913 0.40% 19.2 0s * 340 127 32 1220.0000000 1216.43181 0.29% 18.9 1s * 689 209 32 1219.0000000 1217.04700 0.16% 20.0 2s Cutting planes: Gomory: 7 Zero half: 8 Explored 903 nodes (17774 simplex iterations) in 2.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.219000000000e+03, best bound 1.219000000000e+03, gap 0.0% adding cut for [(10, 52), (10, 82), (15, 44), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (21, 31), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (31, 52), (34, 51), (34, 82), (35, 36), (35, 79), (36, 66), (39, 45), (39, 87), (40, 68), (42, 58), (55, 56), (57, 76), (60, 94), (60, 100), (62, 94), (66, 72), (67, 72)] adding cut for [(64, 91), (37, 50), (37, 48), (6, 85), (6, 61), (33, 91), (9, 46), (9, 47), (11, 33), (11, 71), (12, 64), (12, 65), (50, 65), (47, 48), (18, 46), (18, 85), (61, 84)] adding cut for [(38, 99), (38, 93), (43, 101), (43, 88), (86, 99), (86, 92), (92, 101), (93, 98)] adding cut for [(32, 89), (49, 83), (20, 49), (20, 63), (63, 89)] Optimize a model with 240 rows, 5050 columns and 43246 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 238 rows, 5050 columns, 43131 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213623e+03, 351 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.62251 0 95 3924.00000 1213.62251 69.1% - 0s Another try with MIP start H 0 0 1226.0000000 1213.62251 1.01% - 0s H 0 0 1223.0000000 1213.62251 0.77% - 0s 0 0 1214.46561 0 99 1223.00000 1214.46561 0.70% - 0s 0 0 1214.46561 0 95 1223.00000 1214.46561 0.70% - 0s 0 0 1214.87495 0 107 1223.00000 1214.87495 0.66% - 0s 0 0 1215.30286 0 118 1223.00000 1215.30286 0.63% - 0s 0 0 1215.43588 0 115 1223.00000 1215.43588 0.62% - 0s 0 0 1215.53542 0 119 1223.00000 1215.53542 0.61% - 0s 0 0 1215.58057 0 119 1223.00000 1215.58057 0.61% - 0s 0 0 1215.64673 0 114 1223.00000 1215.64673 0.60% - 0s 0 0 1215.66449 0 124 1223.00000 1215.66449 0.60% - 0s 0 0 1215.67407 0 126 1223.00000 1215.67407 0.60% - 0s 0 0 1215.68820 0 129 1223.00000 1215.68820 0.60% - 0s 0 0 1215.68862 0 130 1223.00000 1215.68862 0.60% - 0s 0 0 1215.69005 0 133 1223.00000 1215.69005 0.60% - 0s 0 2 1215.70051 0 133 1223.00000 1215.70051 0.60% - 0s H 54 33 1220.0000000 1215.70312 0.35% 27.9 0s Cutting planes: Gomory: 11 MIR: 1 Zero half: 32 Explored 1585 nodes (32802 simplex iterations) in 3.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.220000000000e+03, best bound 1.220000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (9, 47), (9, 83), (12, 20), (12, 65), (15, 39), (15, 45), (16, 44), (16, 58), (17, 45), (17, 92), (18, 46), (18, 87), (20, 63), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 80), (32, 63), (37, 48), (37, 50), (39, 87), (40, 68), (42, 58), (43, 44), (43, 101), (46, 47), (48, 49), (49, 83), (50, 65), (57, 76), (69, 78), (69, 81), (75, 76), (92, 101)] adding cut for [(64, 91), (33, 67), (33, 91), (66, 72), (36, 66), (10, 72), (10, 52), (11, 64), (11, 71), (34, 51), (34, 82), (79, 82), (35, 36), (35, 79), (21, 67), (21, 31), (31, 52)] adding cut for [(38, 99), (38, 93), (6, 62), (6, 85), (93, 98), (84, 85), (62, 86), (86, 94), (61, 84), (94, 99)] Optimize a model with 243 rows, 5050 columns and 44315 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 241 rows, 5050 columns, 44200 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213623e+03, 305 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.62251 0 97 3924.00000 1213.62251 69.1% - 0s Another try with MIP start H 0 0 1230.0000000 1213.62251 1.33% - 0s H 0 0 1223.0000000 1213.62251 0.77% - 0s 0 0 1215.14648 0 105 1223.00000 1215.14648 0.64% - 0s 0 0 1215.14648 0 95 1223.00000 1215.14648 0.64% - 0s 0 0 1215.42014 0 105 1223.00000 1215.42014 0.62% - 0s 0 0 1215.46476 0 113 1223.00000 1215.46476 0.62% - 0s 0 0 1215.48621 0 120 1223.00000 1215.48621 0.61% - 0s 0 0 1215.48839 0 120 1223.00000 1215.48839 0.61% - 0s 0 0 1215.49686 0 111 1223.00000 1215.49686 0.61% - 0s 0 0 1215.49994 0 117 1223.00000 1215.49994 0.61% - 0s 0 0 1215.49994 0 119 1223.00000 1215.49994 0.61% - 0s 0 0 1215.51537 0 116 1223.00000 1215.51537 0.61% - 0s 0 0 1215.51537 0 118 1223.00000 1215.51537 0.61% - 0s 0 0 1215.51537 0 120 1223.00000 1215.51537 0.61% - 0s 0 0 1215.52376 0 121 1223.00000 1215.52376 0.61% - 0s 0 0 1215.52376 0 124 1223.00000 1215.52376 0.61% - 0s 0 0 1215.53018 0 121 1223.00000 1215.53018 0.61% - 0s 0 0 1215.54205 0 125 1223.00000 1215.54205 0.61% - 0s 0 0 1215.55299 0 121 1223.00000 1215.55299 0.61% - 0s 0 0 1215.55299 0 123 1223.00000 1215.55299 0.61% - 0s 0 0 1215.55799 0 126 1223.00000 1215.55799 0.61% - 0s 0 2 1215.56256 0 126 1223.00000 1215.56256 0.61% - 0s * 52 50 32 1222.0000000 1216.13793 0.48% 22.2 0s * 58 41 37 1221.0000000 1216.13793 0.40% 20.6 0s * 107 43 17 1220.0000000 1216.16715 0.31% 20.5 0s Cutting planes: Gomory: 2 MIR: 1 Zero half: 25 Explored 1212 nodes (17957 simplex iterations) in 1.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.220000000000e+03, best bound 1.220000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (5, 22), (5, 57), (16, 44), (16, 58), (22, 74), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 35), (34, 80), (34, 82), (35, 79), (40, 68), (42, 58), (43, 44), (43, 88), (73, 74), (73, 75), (75, 76), (79, 82)] adding cut for [(6, 61), (6, 94), (9, 47), (9, 83), (12, 20), (12, 65), (17, 62), (17, 92), (18, 62), (18, 85), (20, 63), (37, 48), (37, 50), (46, 47), (46, 84), (48, 49), (49, 83), (50, 65), (63, 89), (84, 85), (86, 94), (86, 101), (92, 101)] adding cut for [(64, 91), (33, 91), (66, 67), (36, 66), (36, 72), (10, 72), (10, 52), (11, 64), (11, 32), (21, 33), (21, 67), (31, 71), (31, 52)] adding cut for [(39, 87), (45, 87), (15, 39), (15, 45)] Optimize a model with 247 rows, 5050 columns and 45066 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 245 rows, 5050 columns, 44951 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213670e+03, 357 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.66991 0 104 3924.00000 1213.66991 69.1% - 0s Another try with MIP start H 0 0 1223.0000000 1213.66991 0.76% - 0s 0 0 1214.92593 0 107 1223.00000 1214.92593 0.66% - 0s 0 0 1214.92593 0 104 1223.00000 1214.92593 0.66% - 0s 0 0 1214.94845 0 107 1223.00000 1214.94845 0.66% - 0s 0 0 1215.25054 0 114 1223.00000 1215.25054 0.63% - 0s 0 0 1215.35182 0 115 1223.00000 1215.35182 0.63% - 0s 0 0 1215.36641 0 119 1223.00000 1215.36641 0.62% - 0s 0 0 1215.53130 0 114 1223.00000 1215.53130 0.61% - 0s 0 0 1215.58616 0 116 1223.00000 1215.58616 0.61% - 0s 0 0 1215.62830 0 125 1223.00000 1215.62830 0.60% - 0s 0 0 1215.69468 0 123 1223.00000 1215.69468 0.60% - 0s 0 0 1215.70127 0 121 1223.00000 1215.70127 0.60% - 0s 0 0 1215.72254 0 132 1223.00000 1215.72254 0.60% - 0s 0 0 1215.78000 0 125 1223.00000 1215.78000 0.59% - 0s 0 2 1215.98893 0 124 1223.00000 1215.98893 0.57% - 0s H 66 47 1222.0000000 1216.06833 0.49% 33.5 1s * 194 62 31 1220.0000000 1216.72818 0.27% 28.8 1s Cutting planes: Gomory: 9 MIR: 3 Zero half: 19 Explored 720 nodes (15505 simplex iterations) in 2.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.220000000000e+03, best bound 1.220000000000e+03, gap 0.0% adding cut for [(8, 49), (9, 47), (9, 83), (10, 52), (10, 72), (15, 43), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (18, 46), (18, 62), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (34, 51), (34, 82), (35, 36), (35, 79), (36, 66), (39, 45), (39, 87), (40, 68), (42, 58), (43, 44), (46, 47), (49, 83), (52, 82), (55, 56), (57, 76), (62, 86), (66, 72), (86, 101), (92, 101)] adding cut for [(37, 48), (37, 50), (33, 67), (33, 91), (64, 91), (31, 71), (11, 32), (11, 63), (12, 65), (12, 64), (50, 65), (20, 48), (20, 63), (21, 67), (21, 31)] adding cut for [(38, 99), (38, 93), (6, 100), (6, 85), (84, 85), (60, 93), (61, 84), (94, 99), (94, 100)] Optimize a model with 250 rows, 5050 columns and 46092 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 248 rows, 5050 columns, 45977 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.213670e+03, 345 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1213.66991 0 104 3924.00000 1213.66991 69.1% - 0s Another try with MIP start H 0 0 1226.0000000 1213.66991 1.01% - 0s H 0 0 1223.0000000 1213.66991 0.76% - 0s 0 0 1214.94391 0 114 1223.00000 1214.94391 0.66% - 0s 0 0 1214.94391 0 104 1223.00000 1214.94391 0.66% - 0s 0 0 1214.97166 0 110 1223.00000 1214.97166 0.66% - 0s 0 0 1215.29126 0 114 1223.00000 1215.29126 0.63% - 0s 0 0 1215.33130 0 115 1223.00000 1215.33130 0.63% - 0s 0 0 1215.47934 0 116 1223.00000 1215.47934 0.61% - 0s 0 0 1215.47934 0 119 1223.00000 1215.47934 0.61% - 0s 0 0 1215.48149 0 117 1223.00000 1215.48149 0.61% - 0s 0 0 1215.50196 0 120 1223.00000 1215.50196 0.61% - 0s 0 0 1215.54131 0 123 1223.00000 1215.54131 0.61% - 0s 0 0 1215.59415 0 130 1223.00000 1215.59415 0.61% - 0s 0 0 1215.59530 0 131 1223.00000 1215.59530 0.61% - 0s 0 0 1215.59669 0 130 1223.00000 1215.59669 0.61% - 0s 0 0 1215.59669 0 130 1223.00000 1215.59669 0.61% - 0s 0 2 1215.59915 0 130 1223.00000 1215.59915 0.61% - 0s H 55 40 1222.0000000 1215.84689 0.50% 23.2 0s * 558 267 21 1221.0000000 1216.60319 0.36% 18.6 1s * 1204 271 26 1220.0000000 1217.48992 0.21% 20.2 3s Cutting planes: Gomory: 12 MIR: 1 Zero half: 26 Explored 1817 nodes (35237 simplex iterations) in 3.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.220000000000e+03, best bound 1.220000000000e+03, gap 0.0% adding cut for [(6, 85), (6, 100), (9, 46), (9, 47), (11, 32), (11, 63), (12, 64), (12, 65), (15, 39), (15, 45), (17, 62), (17, 87), (18, 46), (18, 62), (31, 33), (31, 71), (32, 71), (33, 91), (37, 47), (37, 50), (39, 87), (45, 92), (50, 65), (61, 84), (63, 89), (64, 91), (84, 85), (86, 94), (86, 101), (92, 101), (94, 100)] adding cut for [(69, 81), (40, 68), (73, 75), (25, 30), (25, 55), (30, 69), (22, 73), (22, 74), (23, 76), (23, 42), (24, 68), (24, 57), (57, 76), (26, 40), (26, 56), (42, 75), (55, 56)] adding cut for [(34, 82), (35, 79), (35, 36), (4, 34), (4, 80), (10, 82), (10, 52), (66, 72), (66, 67), (79, 80), (21, 67), (21, 52), (36, 72)] adding cut for [(48, 49), (20, 48), (20, 49)] Optimize a model with 254 rows, 5050 columns and 46822 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 252 rows, 5050 columns, 46707 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214121e+03, 360 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.12061 0 105 3924.00000 1214.12061 69.1% - 0s Another try with MIP start H 0 0 1223.0000000 1214.12061 0.73% - 0s 0 0 1214.82836 0 107 1223.00000 1214.82836 0.67% - 0s 0 0 1214.82836 0 105 1223.00000 1214.82836 0.67% - 0s 0 0 1215.22052 0 112 1223.00000 1215.22052 0.64% - 0s 0 0 1215.28452 0 116 1223.00000 1215.28452 0.63% - 0s 0 0 1215.29071 0 117 1223.00000 1215.29071 0.63% - 0s 0 0 1215.59351 0 113 1223.00000 1215.59351 0.61% - 0s 0 0 1215.64604 0 125 1223.00000 1215.64604 0.60% - 0s 0 0 1215.68230 0 119 1223.00000 1215.68230 0.60% - 0s 0 0 1215.69255 0 119 1223.00000 1215.69255 0.60% - 0s 0 0 1215.78949 0 120 1223.00000 1215.78949 0.59% - 0s 0 0 1215.85561 0 125 1223.00000 1215.85561 0.58% - 0s 0 0 1215.91254 0 119 1223.00000 1215.91254 0.58% - 0s 0 0 1215.91616 0 121 1223.00000 1215.91616 0.58% - 0s 0 0 1215.91715 0 124 1223.00000 1215.91715 0.58% - 0s 0 0 1215.91715 0 123 1223.00000 1215.91715 0.58% - 0s 0 2 1215.93400 0 123 1223.00000 1215.93400 0.58% - 0s H 429 249 1222.0000000 1216.74278 0.43% 18.6 1s * 450 212 33 1221.0000000 1216.74278 0.35% 18.2 1s * 665 293 34 1220.0000000 1216.94567 0.25% 20.2 2s Cutting planes: Gomory: 12 MIR: 6 Zero half: 43 Explored 1042 nodes (22341 simplex iterations) in 3.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.220000000000e+03, best bound 1.220000000000e+03, gap 0.0% adding cut for [(3, 58), (9, 47), (9, 83), (10, 52), (10, 72), (12, 64), (12, 65), (15, 39), (15, 45), (16, 44), (16, 58), (17, 45), (17, 92), (18, 46), (18, 87), (20, 48), (20, 49), (21, 33), (21, 67), (31, 52), (31, 71), (33, 91), (36, 66), (36, 72), (37, 48), (37, 50), (39, 87), (43, 44), (43, 101), (46, 47), (49, 83), (50, 65), (64, 91), (66, 67), (92, 101)] adding cut for [(34, 82), (34, 51), (35, 79), (5, 40), (5, 26), (40, 68), (73, 74), (79, 82), (24, 68), (24, 57), (22, 74), (57, 73), (25, 56), (25, 30), (26, 56), (30, 35)] adding cut for [(38, 99), (38, 93), (86, 99), (60, 100), (60, 94), (62, 94), (62, 86)] adding cut for [(84, 85), (6, 85), (6, 61), (61, 84)] adding cut for [(42, 75), (75, 76), (23, 42), (23, 76)] Optimize a model with 259 rows, 5050 columns and 47628 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 257 rows, 5050 columns, 47513 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214296e+03, 356 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.29588 0 104 3924.00000 1214.29588 69.1% - 0s Another try with MIP start H 0 0 1223.0000000 1214.29588 0.71% - 0s 0 0 1215.12361 0 114 1223.00000 1215.12361 0.64% - 0s 0 0 1215.12361 0 106 1223.00000 1215.12361 0.64% - 0s 0 0 1215.44336 0 116 1223.00000 1215.44336 0.62% - 0s 0 0 1215.45441 0 122 1223.00000 1215.45441 0.62% - 0s 0 0 1215.47584 0 121 1223.00000 1215.47584 0.62% - 0s 0 0 1215.50013 0 127 1223.00000 1215.50013 0.61% - 0s 0 0 1215.60162 0 118 1223.00000 1215.60162 0.60% - 0s 0 0 1215.63115 0 122 1223.00000 1215.63115 0.60% - 0s 0 0 1215.73905 0 126 1223.00000 1215.73905 0.59% - 0s 0 0 1215.77158 0 125 1223.00000 1215.77158 0.59% - 0s 0 0 1215.80071 0 124 1223.00000 1215.80071 0.59% - 0s 0 0 1215.84190 0 123 1223.00000 1215.84190 0.59% - 0s 0 0 1215.86982 0 127 1223.00000 1215.86982 0.58% - 0s 0 0 1215.95166 0 125 1223.00000 1215.95166 0.58% - 0s 0 0 1215.98101 0 125 1223.00000 1215.98101 0.57% - 0s 0 0 1215.98101 0 129 1223.00000 1215.98101 0.57% - 0s 0 0 1215.98244 0 127 1223.00000 1215.98244 0.57% - 0s 0 0 1215.98807 0 131 1223.00000 1215.98807 0.57% - 0s 0 0 1215.98807 0 131 1223.00000 1215.98807 0.57% - 0s 0 2 1215.98807 0 131 1223.00000 1215.98807 0.57% - 0s H 54 47 1222.0000000 1216.01142 0.49% 25.5 0s * 245 153 23 1221.0000000 1216.29235 0.39% 23.4 1s * 489 165 18 1220.0000000 1217.04619 0.24% 22.2 1s Cutting planes: Gomory: 12 MIR: 3 Zero half: 41 Explored 1423 nodes (31585 simplex iterations) in 3.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.220000000000e+03, best bound 1.220000000000e+03, gap 0.0% adding cut for [(4, 80), (11, 32), (11, 63), (12, 20), (12, 63), (20, 49), (21, 33), (21, 67), (25, 30), (25, 55), (30, 79), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (48, 49), (50, 65), (55, 81), (64, 65), (64, 91), (66, 67), (66, 72), (69, 78), (69, 81), (78, 80)] adding cut for [(8, 83), (9, 47), (9, 83), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 87), (38, 93), (38, 99), (39, 45), (43, 44), (45, 92), (46, 47), (58, 88), (60, 93), (60, 94), (62, 86), (86, 94), (92, 101), (99, 101)] adding cut for [(3, 42), (5, 56), (40, 68), (73, 74), (75, 76), (23, 42), (23, 76), (24, 68), (24, 57), (57, 73), (26, 40), (26, 56), (74, 75)] Optimize a model with 262 rows, 5050 columns and 48397 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 260 rows, 5050 columns, 48282 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214529e+03, 338 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.52853 0 106 3924.00000 1214.52853 69.0% - 0s Another try with MIP start H 0 0 1224.0000000 1214.52853 0.77% - 0s 0 0 1215.38031 0 114 1224.00000 1215.38031 0.70% - 0s 0 0 1215.38031 0 106 1224.00000 1215.38031 0.70% - 0s 0 0 1215.54030 0 107 1224.00000 1215.54030 0.69% - 0s 0 0 1215.95460 0 117 1224.00000 1215.95460 0.66% - 0s 0 0 1215.97445 0 122 1224.00000 1215.97445 0.66% - 0s 0 0 1215.99893 0 119 1224.00000 1215.99893 0.65% - 0s 0 0 1216.02962 0 122 1224.00000 1216.02962 0.65% - 0s 0 0 1216.07260 0 122 1224.00000 1216.07260 0.65% - 0s 0 0 1216.07396 0 124 1224.00000 1216.07396 0.65% - 0s 0 0 1216.08680 0 122 1224.00000 1216.08680 0.65% - 0s 0 0 1216.08680 0 127 1224.00000 1216.08680 0.65% - 0s 0 0 1216.10902 0 125 1224.00000 1216.10902 0.64% - 0s 0 0 1216.10902 0 126 1224.00000 1216.10902 0.64% - 0s 0 0 1216.11335 0 126 1224.00000 1216.11335 0.64% - 0s 0 0 1216.11335 0 126 1224.00000 1216.11335 0.64% - 0s 0 2 1216.11335 0 126 1224.00000 1216.11335 0.64% - 0s H 27 27 1222.0000000 1216.30581 0.47% 25.5 0s * 246 134 13 1221.0000000 1216.84734 0.34% 19.5 1s * 952 179 28 1220.0000000 1217.96970 0.17% 21.3 2s Cutting planes: Gomory: 7 Zero half: 6 Explored 1127 nodes (23565 simplex iterations) in 2.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.220000000000e+03, best bound 1.220000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (4, 78), (4, 80), (15, 44), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 80), (39, 45), (39, 87), (40, 68), (57, 76), (60, 94), (60, 100), (62, 86), (69, 78), (69, 81), (75, 76), (86, 94)] adding cut for [(6, 61), (6, 85), (9, 46), (9, 47), (10, 52), (10, 72), (12, 64), (12, 65), (18, 46), (18, 85), (21, 31), (21, 67), (31, 52), (33, 67), (33, 91), (34, 51), (34, 82), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (47, 48), (50, 65), (61, 84), (64, 91), (66, 72), (79, 82)] adding cut for [(11, 32), (11, 63), (49, 83), (20, 49), (20, 63)] Optimize a model with 265 rows, 5050 columns and 49283 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 263 rows, 5050 columns, 49168 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214529e+03, 338 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.52853 0 106 3924.00000 1214.52853 69.0% - 0s Another try with MIP start H 0 0 1224.0000000 1214.52853 0.77% - 0s 0 0 1215.38031 0 114 1224.00000 1215.38031 0.70% - 0s 0 0 1215.38031 0 104 1224.00000 1215.38031 0.70% - 0s 0 0 1215.53683 0 101 1224.00000 1215.53683 0.69% - 0s 0 0 1215.94734 0 120 1224.00000 1215.94734 0.66% - 0s 0 0 1216.01829 0 122 1224.00000 1216.01829 0.65% - 0s 0 0 1216.03451 0 125 1224.00000 1216.03451 0.65% - 0s 0 0 1216.03796 0 128 1224.00000 1216.03796 0.65% - 0s 0 0 1216.04068 0 130 1224.00000 1216.04068 0.65% - 0s 0 0 1216.04068 0 130 1224.00000 1216.04068 0.65% - 0s 0 2 1216.04463 0 128 1224.00000 1216.04463 0.65% - 0s H 27 27 1223.0000000 1216.20533 0.56% 24.0 0s H 112 81 1222.0000000 1216.22014 0.47% 21.5 0s * 597 284 30 1221.0000000 1217.25485 0.31% 18.5 1s * 1635 69 27 1220.0000000 1218.56215 0.12% 21.1 3s Cutting planes: Gomory: 7 MIR: 1 Zero half: 19 Explored 1718 nodes (36028 simplex iterations) in 3.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.220000000000e+03, best bound 1.220000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (10, 36), (10, 82), (11, 32), (11, 71), (12, 64), (12, 65), (15, 44), (15, 45), (16, 44), (16, 58), (18, 46), (18, 87), (21, 33), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (26, 40), (26, 56), (31, 52), (31, 71), (33, 91), (34, 52), (34, 82), (36, 72), (37, 48), (37, 50), (39, 45), (39, 87), (40, 68), (42, 58), (47, 48), (50, 65), (55, 56), (57, 76), (64, 91), (66, 67), (66, 72), (75, 76)] adding cut for [(38, 99), (38, 101), (6, 85), (6, 62), (43, 88), (43, 101), (94, 99), (17, 92), (17, 62), (84, 85), (86, 94), (86, 92), (61, 84)] adding cut for [(35, 79), (4, 78), (4, 80), (69, 81), (79, 80), (25, 81), (25, 30), (30, 35)] Optimize a model with 268 rows, 5050 columns and 50313 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 266 rows, 5050 columns, 50198 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214529e+03, 324 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.52853 0 104 3924.00000 1214.52853 69.0% - 0s Another try with MIP start H 0 0 1225.0000000 1214.52853 0.85% - 0s 0 0 1215.34794 0 106 1225.00000 1215.34794 0.79% - 0s 0 0 1215.34794 0 108 1225.00000 1215.34794 0.79% - 0s 0 0 1215.60342 0 105 1225.00000 1215.60342 0.77% - 0s 0 0 1215.95023 0 113 1225.00000 1215.95023 0.74% - 0s 0 0 1215.95214 0 119 1225.00000 1215.95214 0.74% - 0s 0 0 1215.97701 0 118 1225.00000 1215.97701 0.74% - 0s 0 0 1215.98088 0 125 1225.00000 1215.98088 0.74% - 0s 0 0 1215.98529 0 128 1225.00000 1215.98529 0.74% - 0s 0 0 1215.98529 0 128 1225.00000 1215.98529 0.74% - 0s 0 2 1216.00321 0 128 1225.00000 1216.00321 0.73% - 0s * 143 106 52 1224.0000000 1216.42306 0.62% 20.2 0s * 249 141 42 1223.0000000 1216.53501 0.53% 19.7 1s H 278 136 1222.0000000 1216.60109 0.44% 20.5 1s * 804 265 31 1221.0000000 1217.48538 0.29% 22.5 3s Cutting planes: Gomory: 4 Zero half: 11 Explored 1566 nodes (33218 simplex iterations) in 4.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.221000000000e+03, best bound 1.221000000000e+03, gap 0.0% adding cut for [(4, 69), (4, 80), (8, 89), (10, 52), (10, 82), (11, 32), (11, 71), (12, 20), (12, 63), (20, 50), (21, 33), (21, 67), (25, 30), (25, 81), (30, 79), (31, 52), (31, 71), (33, 91), (34, 80), (34, 82), (35, 36), (35, 79), (36, 72), (50, 65), (63, 89), (64, 65), (64, 91), (66, 67), (66, 72), (69, 81)] adding cut for [(6, 61), (6, 85), (15, 39), (15, 44), (16, 44), (16, 58), (17, 62), (17, 87), (18, 85), (18, 87), (23, 42), (23, 75), (24, 57), (24, 68), (26, 40), (26, 56), (39, 45), (40, 68), (42, 58), (45, 92), (55, 56), (57, 76), (62, 94), (75, 76), (86, 92), (86, 94)] adding cut for [(37, 47), (37, 48), (9, 46), (9, 47), (46, 84), (48, 49), (49, 83)] Optimize a model with 271 rows, 5050 columns and 51157 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 269 rows, 5050 columns, 51042 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214533e+03, 345 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.53348 0 110 3924.00000 1214.53348 69.0% - 0s Another try with MIP start H 0 0 1227.0000000 1214.53348 1.02% - 0s H 0 0 1226.0000000 1214.53348 0.94% - 0s 0 0 1215.39351 0 110 1226.00000 1215.39351 0.87% - 0s 0 0 1215.39351 0 106 1226.00000 1215.39351 0.87% - 0s 0 0 1215.64866 0 109 1226.00000 1215.64866 0.84% - 0s 0 0 1216.09125 0 115 1226.00000 1216.09125 0.81% - 0s 0 0 1216.09874 0 125 1226.00000 1216.09874 0.81% - 0s 0 0 1216.15269 0 124 1226.00000 1216.15269 0.80% - 0s 0 0 1216.15441 0 127 1226.00000 1216.15441 0.80% - 0s 0 0 1216.15441 0 123 1226.00000 1216.15441 0.80% - 0s 0 0 1216.15441 0 125 1226.00000 1216.15441 0.80% - 0s 0 0 1216.15441 0 125 1226.00000 1216.15441 0.80% - 0s 0 2 1216.15494 0 125 1226.00000 1216.15494 0.80% - 0s * 297 211 53 1224.0000000 1216.49797 0.61% 17.7 1s * 831 431 51 1223.0000000 1216.99135 0.49% 20.9 3s * 915 397 33 1222.0000000 1217.04747 0.41% 21.5 3s 1635 466 1219.63360 41 101 1222.00000 1218.17808 0.31% 22.1 5s * 3451 321 39 1221.0000000 1219.29624 0.14% 20.5 7s Cutting planes: Gomory: 8 MIR: 5 Zero half: 16 Explored 3898 nodes (76826 simplex iterations) in 8.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.221000000000e+03, best bound 1.221000000000e+03, gap 0.0% adding cut for [(11, 63), (11, 91), (15, 39), (15, 43), (16, 44), (16, 58), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 72), (38, 99), (38, 101), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (57, 76), (60, 93), (60, 99), (63, 89), (66, 67), (66, 72), (88, 98), (92, 101), (93, 98)] adding cut for [(6, 85), (6, 61), (94, 100), (46, 84), (17, 87), (17, 62), (18, 46), (18, 87), (84, 85), (86, 94), (62, 86)] adding cut for [(64, 65), (37, 48), (37, 50), (8, 49), (9, 47), (9, 83), (12, 64), (12, 20), (47, 48), (50, 65), (20, 49)] Optimize a model with 274 rows, 5050 columns and 51992 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 272 rows, 5050 columns, 51877 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214533e+03, 345 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.53350 0 109 3924.00000 1214.53350 69.0% - 0s Another try with MIP start H 0 0 1227.0000000 1214.53350 1.02% - 0s H 0 0 1226.0000000 1214.53350 0.94% - 0s 0 0 1215.39351 0 113 1226.00000 1215.39351 0.87% - 0s 0 0 1215.39351 0 107 1226.00000 1215.39351 0.87% - 0s 0 0 1215.65469 0 117 1226.00000 1215.65469 0.84% - 0s 0 0 1215.69592 0 113 1226.00000 1215.69592 0.84% - 0s 0 0 1215.96166 0 124 1226.00000 1215.96166 0.82% - 0s 0 0 1216.08478 0 122 1226.00000 1216.08478 0.81% - 0s 0 0 1216.10125 0 120 1226.00000 1216.10125 0.81% - 0s 0 0 1216.10987 0 123 1226.00000 1216.10987 0.81% - 0s 0 0 1216.12928 0 126 1226.00000 1216.12928 0.81% - 0s 0 0 1216.14365 0 127 1226.00000 1216.14365 0.80% - 0s 0 0 1216.14879 0 125 1226.00000 1216.14879 0.80% - 0s 0 0 1216.14879 0 125 1226.00000 1216.14879 0.80% - 0s 0 0 1216.15287 0 124 1226.00000 1216.15287 0.80% - 0s 0 0 1216.15287 0 127 1226.00000 1216.15287 0.80% - 0s 0 0 1216.15287 0 127 1226.00000 1216.15287 0.80% - 0s 0 2 1216.15287 0 127 1226.00000 1216.15287 0.80% - 0s H 51 51 1224.0000000 1216.36514 0.62% 24.7 1s * 231 169 16 1223.0000000 1216.44416 0.54% 21.5 1s * 850 364 46 1222.0000000 1217.30405 0.38% 23.6 3s 2011 460 1220.47619 27 85 1222.00000 1218.79170 0.26% 22.3 5s * 2640 247 27 1221.0000000 1219.21885 0.15% 21.8 5s Cutting planes: Gomory: 12 MIR: 1 Zero half: 23 Explored 3006 nodes (63100 simplex iterations) in 6.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.221000000000e+03, best bound 1.221000000000e+03, gap 0.0% adding cut for [(15, 39), (15, 43), (16, 42), (16, 44), (21, 31), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 71), (32, 71), (35, 36), (35, 79), (36, 72), (38, 99), (38, 101), (39, 45), (40, 68), (43, 44), (45, 92), (57, 76), (66, 67), (66, 72), (75, 76), (92, 101), (93, 99)] adding cut for [(6, 100), (6, 85), (9, 46), (9, 83), (62, 86), (17, 62), (17, 87), (18, 46), (18, 87), (84, 85), (86, 94), (60, 100), (60, 94), (61, 84)] adding cut for [(64, 91), (37, 47), (37, 50), (33, 91), (8, 49), (11, 33), (11, 63), (12, 64), (12, 65), (47, 48), (50, 65), (20, 48), (20, 49), (63, 89)] adding cut for [(34, 80), (34, 82), (4, 78), (4, 80), (10, 82), (10, 52), (51, 52)] Optimize a model with 278 rows, 5050 columns and 52758 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 276 rows, 5050 columns, 52643 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214533e+03, 361 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.53350 0 111 3924.00000 1214.53350 69.0% - 0s Another try with MIP start H 0 0 1226.0000000 1214.53350 0.94% - 0s 0 0 1215.39351 0 111 1226.00000 1215.39351 0.87% - 0s 0 0 1215.39351 0 107 1226.00000 1215.39351 0.87% - 0s 0 0 1215.65899 0 117 1226.00000 1215.65899 0.84% - 0s 0 0 1215.68672 0 115 1226.00000 1215.68672 0.84% - 0s 0 0 1216.05170 0 123 1226.00000 1216.05170 0.81% - 0s 0 0 1216.09908 0 125 1226.00000 1216.09908 0.81% - 0s 0 0 1216.10321 0 128 1226.00000 1216.10321 0.81% - 0s 0 0 1216.10407 0 127 1226.00000 1216.10407 0.81% - 0s 0 0 1216.11378 0 122 1226.00000 1216.11378 0.81% - 0s 0 0 1216.12275 0 127 1226.00000 1216.12275 0.81% - 0s 0 0 1216.14280 0 128 1226.00000 1216.14280 0.80% - 0s 0 0 1216.14286 0 128 1226.00000 1216.14286 0.80% - 0s 0 0 1216.14354 0 128 1226.00000 1216.14354 0.80% - 0s 0 0 1216.14354 0 127 1226.00000 1216.14354 0.80% - 0s 0 2 1216.14359 0 127 1226.00000 1216.14359 0.80% - 0s * 75 62 47 1223.0000000 1216.37497 0.54% 25.0 1s * 413 249 18 1222.0000000 1216.87600 0.42% 18.7 1s 1828 413 1220.59250 29 98 1222.00000 1218.59425 0.28% 22.3 5s 4755 437 1220.14950 29 98 1222.00000 1219.91897 0.17% 20.2 10s Cutting planes: Gomory: 13 MIR: 3 Zero half: 22 Explored 5861 nodes (113349 simplex iterations) in 11.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.222000000000e+03, best bound 1.222000000000e+03, gap 0.0% adding cut for [(3, 58), (9, 46), (9, 47), (12, 64), (12, 65), (15, 39), (15, 44), (16, 43), (16, 44), (17, 45), (17, 87), (18, 46), (18, 62), (21, 31), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (31, 33), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 87), (40, 68), (42, 58), (43, 88), (45, 92), (47, 48), (50, 65), (55, 56), (57, 76), (62, 86), (64, 91), (66, 67), (66, 72), (75, 76), (86, 101), (92, 101)] adding cut for [(34, 80), (34, 82), (4, 78), (4, 80), (69, 78), (69, 81), (10, 82), (10, 52)] Optimize a model with 280 rows, 5050 columns and 53922 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.06s Presolved: 278 rows, 5050 columns, 53807 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214551e+03, 364 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.55129 0 107 3924.00000 1214.55129 69.0% - 0s Another try with MIP start H 0 0 1228.0000000 1214.55129 1.10% - 0s 0 0 1215.39351 0 112 1228.00000 1215.39351 1.03% - 0s 0 0 1215.39351 0 105 1228.00000 1215.39351 1.03% - 0s 0 0 1215.69497 0 114 1228.00000 1215.69497 1.00% - 0s 0 0 1216.02174 0 118 1228.00000 1216.02174 0.98% - 0s 0 0 1216.02616 0 121 1228.00000 1216.02616 0.98% - 0s 0 0 1216.05039 0 116 1228.00000 1216.05039 0.97% - 0s 0 0 1216.09136 0 122 1228.00000 1216.09136 0.97% - 0s 0 0 1216.15108 0 123 1228.00000 1216.15108 0.96% - 0s 0 0 1216.15108 0 125 1228.00000 1216.15108 0.96% - 0s 0 0 1216.15493 0 124 1228.00000 1216.15493 0.96% - 0s 0 0 1216.15493 0 125 1228.00000 1216.15493 0.96% - 0s 0 0 1216.15493 0 125 1228.00000 1216.15493 0.96% - 0s H 0 0 1227.0000000 1216.15493 0.88% - 0s 0 2 1216.15519 0 125 1227.00000 1216.15519 0.88% - 0s H 84 66 1225.0000000 1216.36335 0.71% 24.6 1s H 523 353 1224.0000000 1217.16253 0.56% 20.0 1s * 662 368 15 1223.0000000 1217.43272 0.46% 20.4 1s * 1047 490 37 1222.0000000 1217.54728 0.36% 22.3 3s 1864 469 1219.91041 26 108 1222.00000 1218.66667 0.27% 21.5 5s Cutting planes: Gomory: 7 Zero half: 17 Explored 4881 nodes (90123 simplex iterations) in 9.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.222000000000e+03, best bound 1.222000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 83), (10, 52), (10, 82), (11, 32), (11, 63), (12, 20), (12, 63), (20, 49), (21, 33), (21, 67), (31, 52), (31, 71), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (46, 47), (47, 48), (49, 83), (50, 65), (64, 65), (64, 91), (66, 67), (66, 72), (79, 82)] adding cut for [(38, 99), (38, 101), (39, 45), (60, 100), (60, 93), (43, 88), (43, 58), (45, 92), (15, 39), (15, 44), (16, 44), (16, 58), (88, 98), (92, 101), (93, 99)] adding cut for [(5, 40), (5, 26), (40, 68), (73, 75), (74, 75), (24, 68), (24, 57), (22, 74), (57, 73), (25, 56), (25, 30), (26, 56), (30, 81), (69, 81)] adding cut for [(6, 94), (6, 61), (17, 87), (17, 62), (18, 87), (18, 85), (84, 85), (86, 94), (62, 86)] adding cut for [(42, 76), (23, 42), (23, 76)] Optimize a model with 285 rows, 5050 columns and 54601 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 283 rows, 5050 columns, 54486 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214911e+03, 375 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.91117 0 109 3924.00000 1214.91117 69.0% - 0s Another try with MIP start H 0 0 1229.0000000 1214.91117 1.15% - 0s 0 0 1215.56567 0 111 1229.00000 1215.56567 1.09% - 0s 0 0 1215.56567 0 109 1229.00000 1215.56567 1.09% - 0s 0 0 1215.73390 0 115 1229.00000 1215.73390 1.08% - 0s 0 0 1215.85111 0 117 1229.00000 1215.85111 1.07% - 0s 0 0 1215.96504 0 125 1229.00000 1215.96504 1.06% - 0s 0 0 1216.33384 0 124 1229.00000 1216.33384 1.03% - 0s 0 0 1216.33384 0 126 1229.00000 1216.33384 1.03% - 0s 0 0 1216.34456 0 128 1229.00000 1216.34456 1.03% - 0s 0 0 1216.43016 0 129 1229.00000 1216.43016 1.02% - 0s 0 0 1216.43016 0 131 1229.00000 1216.43016 1.02% - 0s 0 0 1216.45383 0 132 1229.00000 1216.45383 1.02% - 0s 0 0 1216.45666 0 133 1229.00000 1216.45666 1.02% - 1s 0 0 1216.47212 0 131 1229.00000 1216.47212 1.02% - 1s 0 0 1216.47212 0 132 1229.00000 1216.47212 1.02% - 1s 0 0 1216.47516 0 132 1229.00000 1216.47516 1.02% - 1s 0 2 1216.47724 0 132 1229.00000 1216.47724 1.02% - 1s * 387 318 68 1228.0000000 1216.98025 0.90% 19.3 1s H 453 256 1224.0000000 1216.99602 0.57% 20.4 2s * 782 347 41 1222.0000000 1217.28005 0.39% 22.2 3s 951 381 1217.44937 22 121 1222.00000 1217.44937 0.37% 23.9 5s Cutting planes: Gomory: 5 MIR: 6 Zero half: 24 Explored 2929 nodes (65856 simplex iterations) in 8.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.222000000000e+03, best bound 1.222000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (9, 46), (9, 47), (10, 52), (10, 82), (11, 33), (11, 71), (15, 39), (15, 44), (16, 44), (16, 58), (17, 45), (17, 87), (18, 46), (18, 87), (21, 31), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 52), (33, 91), (34, 80), (34, 82), (35, 36), (35, 79), (36, 66), (37, 47), (37, 50), (39, 45), (40, 68), (42, 58), (50, 65), (57, 76), (64, 65), (64, 91), (66, 72), (67, 72), (75, 76)] adding cut for [(38, 99), (38, 101), (6, 85), (6, 62), (60, 100), (60, 93), (43, 88), (43, 101), (94, 99), (93, 98), (84, 85), (86, 94), (86, 92), (88, 98), (61, 84), (62, 92)] adding cut for [(32, 89), (12, 20), (12, 63), (48, 49), (49, 83), (20, 48), (63, 89)] Optimize a model with 288 rows, 5050 columns and 55846 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 286 rows, 5050 columns, 55731 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214911e+03, 403 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.91117 0 110 3924.00000 1214.91117 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1214.91117 1.55% - 0s H 0 0 1231.0000000 1214.91117 1.31% - 0s 0 0 1215.56567 0 112 1231.00000 1215.56567 1.25% - 0s 0 0 1215.56567 0 111 1231.00000 1215.56567 1.25% - 0s 0 0 1215.74908 0 114 1231.00000 1215.74908 1.24% - 0s 0 0 1215.93150 0 127 1231.00000 1215.93150 1.22% - 0s 0 0 1216.21609 0 128 1231.00000 1216.21609 1.20% - 0s 0 0 1216.31711 0 127 1231.00000 1216.31711 1.19% - 0s 0 0 1216.37073 0 127 1231.00000 1216.37073 1.19% - 0s 0 0 1216.38219 0 127 1231.00000 1216.38219 1.19% - 0s 0 0 1216.39012 0 130 1231.00000 1216.39012 1.19% - 0s 0 0 1216.39012 0 131 1231.00000 1216.39012 1.19% - 1s 0 0 1216.42741 0 120 1231.00000 1216.42741 1.18% - 1s 0 0 1216.43841 0 130 1231.00000 1216.43841 1.18% - 1s 0 0 1216.46541 0 134 1231.00000 1216.46541 1.18% - 1s 0 0 1216.46542 0 134 1231.00000 1216.46542 1.18% - 1s 0 0 1216.49370 0 131 1231.00000 1216.49370 1.18% - 1s 0 0 1216.50997 0 131 1231.00000 1216.50997 1.18% - 1s 0 0 1216.51025 0 133 1231.00000 1216.51025 1.18% - 1s 0 0 1216.51140 0 137 1231.00000 1216.51140 1.18% - 1s 0 2 1216.51150 0 136 1231.00000 1216.51150 1.18% - 1s * 217 192 61 1230.0000000 1217.04063 1.05% 22.5 1s * 492 389 52 1228.0000000 1217.26668 0.87% 20.6 2s * 497 285 54 1226.0000000 1217.26668 0.71% 20.5 2s H 600 291 1225.0000000 1217.41970 0.62% 21.3 2s H 697 330 1224.0000000 1217.41970 0.54% 23.5 3s 1005 411 1222.25000 35 87 1224.00000 1218.22506 0.47% 25.4 5s * 1208 350 36 1223.0000000 1218.54951 0.36% 24.8 5s 3318 637 1221.82609 36 90 1223.00000 1219.85141 0.26% 23.0 10s * 3556 398 50 1222.0000000 1219.93823 0.17% 22.8 10s Cutting planes: Gomory: 7 MIR: 2 Zero half: 11 Explored 4284 nodes (92577 simplex iterations) in 11.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.222000000000e+03, best bound 1.222000000000e+03, gap 0.0% adding cut for [(5, 26), (5, 40), (10, 52), (10, 82), (15, 39), (15, 44), (16, 44), (16, 58), (17, 62), (17, 87), (21, 31), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 56), (30, 79), (31, 52), (34, 51), (34, 82), (35, 36), (35, 79), (36, 72), (39, 45), (40, 68), (42, 58), (45, 87), (57, 73), (62, 86), (66, 67), (66, 72), (73, 75), (75, 76), (86, 94), (94, 100)] adding cut for [(64, 65), (37, 50), (37, 47), (6, 85), (6, 61), (9, 46), (9, 83), (12, 64), (12, 20), (50, 65), (47, 48), (48, 49), (49, 83), (18, 46), (18, 85), (20, 63), (61, 84), (63, 89)] adding cut for [(4, 78), (4, 80), (69, 80), (69, 81), (77, 78), (55, 81)] adding cut for [(33, 91), (11, 33), (11, 91)] Optimize a model with 292 rows, 5050 columns and 56782 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 290 rows, 5050 columns, 56667 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.214911e+03, 361 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1214.91117 0 112 3924.00000 1214.91117 69.0% - 0s Another try with MIP start H 0 0 1233.0000000 1214.91117 1.47% - 0s H 0 0 1227.0000000 1214.91117 0.99% - 0s 0 0 1215.56567 0 116 1227.00000 1215.56567 0.93% - 0s 0 0 1215.56567 0 111 1227.00000 1215.56567 0.93% - 0s 0 0 1215.74908 0 114 1227.00000 1215.74908 0.92% - 0s 0 0 1215.93150 0 129 1227.00000 1215.93150 0.90% - 0s 0 0 1216.24953 0 135 1227.00000 1216.24953 0.88% - 0s 0 0 1216.34163 0 124 1227.00000 1216.34163 0.87% - 0s 0 0 1216.37302 0 128 1227.00000 1216.37302 0.87% - 0s 0 0 1216.38910 0 133 1227.00000 1216.38910 0.86% - 0s 0 0 1216.40954 0 131 1227.00000 1216.40954 0.86% - 0s 0 0 1216.43696 0 133 1227.00000 1216.43696 0.86% - 0s 0 0 1216.43696 0 135 1227.00000 1216.43696 0.86% - 0s 0 0 1216.43779 0 135 1227.00000 1216.43779 0.86% - 0s 0 2 1216.43779 0 135 1227.00000 1216.43779 0.86% - 0s H 61 59 1225.0000000 1216.54449 0.69% 27.4 1s H 319 214 1224.0000000 1217.18825 0.56% 21.6 1s H 489 233 1223.0000000 1217.68334 0.43% 21.2 1s 1510 400 1220.59599 23 99 1223.00000 1218.98482 0.33% 23.7 5s * 3876 560 24 1222.0000000 1220.05664 0.16% 21.4 9s 4395 323 1220.63768 29 109 1222.00000 1220.55232 0.12% 21.1 10s Cutting planes: Gomory: 10 MIR: 5 Zero half: 25 Mod-K: 2 Explored 4788 nodes (96844 simplex iterations) in 10.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.222000000000e+03, best bound 1.222000000000e+03, gap 0.0% adding cut for [(5, 56), (15, 44), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (23, 42), (23, 76), (24, 57), (24, 68), (26, 40), (26, 56), (38, 99), (38, 101), (39, 45), (39, 87), (40, 68), (42, 58), (43, 88), (43, 101), (57, 73), (73, 75), (75, 76), (86, 92), (86, 94), (88, 98), (94, 99)] adding cut for [(34, 80), (34, 82), (67, 72), (4, 78), (4, 80), (69, 81), (10, 82), (10, 52), (55, 81), (66, 72), (35, 79), (35, 36), (21, 67), (21, 31), (25, 55), (25, 30), (36, 66), (30, 79), (31, 52)] adding cut for [(64, 65), (64, 91), (37, 48), (37, 50), (6, 100), (6, 61), (33, 91), (9, 46), (9, 47), (11, 33), (11, 71), (46, 84), (50, 65), (47, 48), (60, 100), (60, 93), (61, 84)] adding cut for [(32, 89), (12, 20), (12, 63), (49, 83), (20, 49), (63, 89)] adding cut for [(18, 85), (18, 62), (62, 85)] Optimize a model with 297 rows, 5050 columns and 57555 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 295 rows, 5050 columns, 57440 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215055e+03, 370 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.05486 0 113 3924.00000 1215.05486 69.0% - 0s Another try with MIP start H 0 0 1231.0000000 1215.05486 1.30% - 0s 0 0 1215.73502 0 119 1231.00000 1215.73502 1.24% - 0s 0 0 1215.73502 0 114 1231.00000 1215.73502 1.24% - 0s 0 0 1215.73502 0 122 1231.00000 1215.73502 1.24% - 0s 0 0 1215.99171 0 125 1231.00000 1215.99171 1.22% - 0s 0 0 1216.33784 0 129 1231.00000 1216.33784 1.19% - 1s 0 0 1216.35373 0 136 1231.00000 1216.35373 1.19% - 1s 0 0 1216.35651 0 139 1231.00000 1216.35651 1.19% - 1s 0 0 1216.42834 0 134 1231.00000 1216.42834 1.18% - 1s 0 0 1216.44630 0 134 1231.00000 1216.44630 1.18% - 1s 0 0 1216.47915 0 132 1231.00000 1216.47915 1.18% - 1s 0 0 1216.48698 0 137 1231.00000 1216.48698 1.18% - 1s 0 0 1216.50723 0 135 1231.00000 1216.50723 1.18% - 1s 0 0 1216.50740 0 136 1231.00000 1216.50740 1.18% - 1s 0 0 1216.50807 0 134 1231.00000 1216.50807 1.18% - 1s 0 0 1216.50815 0 137 1231.00000 1216.50815 1.18% - 1s 0 2 1216.50856 0 137 1231.00000 1216.50856 1.18% - 1s H 404 307 1228.0000000 1217.34443 0.87% 21.5 2s * 447 259 60 1226.0000000 1217.34443 0.71% 20.5 2s 1016 527 1223.27061 34 91 1226.00000 1217.46902 0.70% 24.8 5s * 1378 529 35 1225.0000000 1218.38335 0.54% 24.6 5s * 1667 503 42 1224.0000000 1218.80451 0.42% 24.4 6s * 2517 652 31 1223.0000000 1219.29934 0.30% 24.2 8s H 2520 361 1222.0000000 1219.29934 0.22% 24.2 8s 3222 259 cutoff 21 1222.00000 1219.88138 0.17% 23.7 10s Cutting planes: Gomory: 9 MIR: 5 Zero half: 22 Explored 3744 nodes (86279 simplex iterations) in 10.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.222000000000e+03, best bound 1.222000000000e+03, gap 0.0% adding cut for [(3, 42), (9, 46), (9, 47), (10, 35), (10, 72), (12, 64), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 62), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (33, 91), (35, 79), (36, 66), (36, 72), (37, 47), (37, 50), (39, 45), (40, 68), (43, 44), (45, 87), (50, 65), (57, 76), (58, 88), (64, 91), (66, 67)] adding cut for [(99, 101), (6, 85), (6, 94), (93, 98), (84, 85), (86, 92), (86, 94), (38, 99), (38, 93), (92, 101), (61, 84)] adding cut for [(34, 82), (34, 52), (4, 78), (4, 80), (69, 78), (69, 81), (80, 82), (31, 71), (31, 52)] adding cut for [(11, 32), (11, 63), (48, 49), (49, 83), (20, 48), (20, 63)] adding cut for [(73, 75), (74, 75), (22, 73), (22, 74)] Optimize a model with 302 rows, 5050 columns and 58554 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 300 rows, 5050 columns, 58439 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215055e+03, 368 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.05486 0 113 3924.00000 1215.05486 69.0% - 0s Another try with MIP start H 0 0 1236.0000000 1215.05486 1.69% - 0s H 0 0 1231.0000000 1215.05486 1.30% - 0s 0 0 1215.73502 0 120 1231.00000 1215.73502 1.24% - 0s 0 0 1215.73502 0 113 1231.00000 1215.73502 1.24% - 0s 0 0 1215.73502 0 117 1231.00000 1215.73502 1.24% - 0s 0 0 1215.75542 0 117 1231.00000 1215.75542 1.24% - 1s 0 0 1216.15510 0 129 1231.00000 1216.15510 1.21% - 1s 0 0 1216.18411 0 125 1231.00000 1216.18411 1.20% - 1s 0 0 1216.26199 0 132 1231.00000 1216.26199 1.20% - 1s 0 0 1216.26936 0 135 1231.00000 1216.26936 1.20% - 1s 0 0 1216.27503 0 137 1231.00000 1216.27503 1.20% - 1s 0 0 1216.28257 0 138 1231.00000 1216.28257 1.20% - 1s 0 0 1216.28801 0 138 1231.00000 1216.28801 1.20% - 1s 0 0 1216.31870 0 137 1231.00000 1216.31870 1.19% - 1s 0 0 1216.32013 0 137 1231.00000 1216.32013 1.19% - 1s 0 0 1216.34139 0 129 1231.00000 1216.34139 1.19% - 1s 0 0 1216.34432 0 135 1231.00000 1216.34432 1.19% - 1s 0 0 1216.34520 0 131 1231.00000 1216.34520 1.19% - 1s 0 0 1216.34618 0 138 1231.00000 1216.34618 1.19% - 1s 0 2 1216.34643 0 138 1231.00000 1216.34643 1.19% - 1s * 107 88 70 1228.0000000 1216.45858 0.94% 22.8 1s * 323 237 55 1227.0000000 1216.80640 0.83% 24.2 2s 892 561 1220.68922 27 108 1227.00000 1217.64966 0.76% 26.3 5s * 936 506 50 1225.0000000 1217.64966 0.60% 26.3 5s * 1316 526 33 1224.0000000 1218.66673 0.44% 26.3 6s 2368 698 1220.16025 32 110 1224.00000 1219.17599 0.39% 27.1 10s * 4290 779 45 1223.0000000 1220.00000 0.25% 25.3 13s 5043 760 1221.17682 32 109 1223.00000 1220.44828 0.21% 24.8 15s Cutting planes: Gomory: 5 MIR: 1 Zero half: 13 Explored 7138 nodes (162787 simplex iterations) in 18.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(9, 47), (9, 83), (21, 33), (21, 67), (22, 74), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (40, 68), (42, 75), (47, 48), (50, 65), (57, 76), (64, 65), (64, 91), (66, 72), (67, 72), (73, 74), (73, 75)] adding cut for [(3, 58), (38, 101), (38, 99), (39, 45), (43, 44), (45, 92), (15, 39), (15, 43), (16, 44), (16, 58), (99, 100), (92, 101)] adding cut for [(6, 85), (6, 61), (46, 84), (17, 87), (17, 62), (18, 46), (18, 87), (84, 85), (86, 94), (60, 94), (60, 93), (62, 86)] adding cut for [(32, 71), (34, 82), (34, 51), (10, 82), (10, 52), (31, 71), (31, 52)] adding cut for [(8, 49), (11, 12), (11, 63), (12, 20), (20, 49), (63, 89)] Optimize a model with 307 rows, 5050 columns and 59255 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 305 rows, 5050 columns, 59140 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215065e+03, 316 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.06536 0 115 3924.00000 1215.06536 69.0% - 0s Another try with MIP start H 0 0 1240.0000000 1215.06536 2.01% - 0s H 0 0 1229.0000000 1215.06536 1.13% - 0s 0 0 1215.65393 0 121 1229.00000 1215.65393 1.09% - 0s 0 0 1215.65393 0 112 1229.00000 1215.65393 1.09% - 0s 0 0 1215.89111 0 122 1229.00000 1215.89111 1.07% - 0s 0 0 1215.92410 0 122 1229.00000 1215.92410 1.06% - 1s 0 0 1215.92410 0 126 1229.00000 1215.92410 1.06% - 1s 0 0 1216.08582 0 124 1229.00000 1216.08582 1.05% - 1s 0 0 1216.10476 0 127 1229.00000 1216.10476 1.05% - 1s 0 0 1216.19181 0 126 1229.00000 1216.19181 1.04% - 1s 0 0 1216.21359 0 129 1229.00000 1216.21359 1.04% - 1s 0 0 1216.23618 0 131 1229.00000 1216.23618 1.04% - 1s 0 0 1216.24226 0 133 1229.00000 1216.24226 1.04% - 1s 0 0 1216.24401 0 137 1229.00000 1216.24401 1.04% - 1s 0 0 1216.24767 0 135 1229.00000 1216.24767 1.04% - 1s 0 0 1216.25888 0 132 1229.00000 1216.25888 1.04% - 1s 0 0 1216.26110 0 135 1229.00000 1216.26110 1.04% - 1s 0 0 1216.26947 0 137 1229.00000 1216.26947 1.04% - 1s 0 0 1216.26947 0 137 1229.00000 1216.26947 1.04% - 1s 0 2 1216.26987 0 137 1229.00000 1216.26987 1.04% - 1s * 687 490 51 1224.0000000 1217.07133 0.57% 24.0 4s 801 525 1222.85714 40 121 1224.00000 1217.79890 0.51% 24.6 5s * 1149 561 50 1223.0000000 1218.47638 0.37% 26.7 6s 2830 505 1221.74257 37 94 1223.00000 1220.11211 0.24% 25.0 10s Cutting planes: Gomory: 4 MIR: 1 Zero half: 17 Mod-K: 2 Explored 5506 nodes (126924 simplex iterations) in 14.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(5, 26), (5, 40), (11, 32), (11, 64), (15, 39), (15, 43), (16, 44), (16, 58), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 66), (38, 93), (38, 99), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (57, 73), (64, 91), (66, 72), (67, 72), (73, 74), (74, 75), (75, 76), (92, 101), (93, 98), (99, 101)] adding cut for [(37, 50), (37, 48), (9, 46), (9, 47), (12, 65), (12, 20), (50, 65), (47, 48), (17, 87), (17, 62), (18, 46), (18, 87), (20, 63), (86, 94), (60, 100), (60, 94), (62, 86), (63, 89)] adding cut for [(34, 80), (34, 82), (4, 80), (10, 82), (10, 52), (31, 71), (31, 52)] adding cut for [(19, 83), (19, 84), (6, 85), (6, 61), (8, 49), (49, 83), (84, 85)] Optimize a model with 311 rows, 5050 columns and 60262 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 309 rows, 5050 columns, 60147 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215065e+03, 348 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.06536 0 112 3924.00000 1215.06536 69.0% - 0s Another try with MIP start H 0 0 1237.0000000 1215.06536 1.77% - 0s H 0 0 1230.0000000 1215.06536 1.21% - 0s 0 0 1215.65393 0 121 1230.00000 1215.65393 1.17% - 0s 0 0 1215.65393 0 112 1230.00000 1215.65393 1.17% - 0s 0 0 1216.03353 0 119 1230.00000 1216.03353 1.14% - 0s 0 0 1216.07581 0 127 1230.00000 1216.07581 1.13% - 0s 0 0 1216.23703 0 130 1230.00000 1216.23703 1.12% - 0s 0 0 1216.25508 0 129 1230.00000 1216.25508 1.12% - 1s 0 0 1216.32535 0 129 1230.00000 1216.32535 1.11% - 1s 0 0 1216.32535 0 133 1230.00000 1216.32535 1.11% - 1s 0 0 1216.35934 0 131 1230.00000 1216.35934 1.11% - 1s 0 0 1216.35934 0 132 1230.00000 1216.35934 1.11% - 1s 0 0 1216.36368 0 135 1230.00000 1216.36368 1.11% - 1s 0 2 1216.37507 0 134 1230.00000 1216.37507 1.11% - 1s * 166 139 51 1229.0000000 1216.92862 0.98% 24.2 1s * 527 362 28 1227.0000000 1217.26501 0.79% 22.7 2s H 539 295 1226.0000000 1217.26501 0.71% 22.4 2s * 586 268 17 1225.0000000 1217.57143 0.61% 22.6 2s H 859 351 1223.0000000 1217.66611 0.44% 25.2 4s 1001 382 1220.35765 16 121 1223.00000 1217.77118 0.43% 25.7 5s 3418 593 cutoff 28 1223.00000 1220.09207 0.24% 22.9 10s Cutting planes: Gomory: 7 Zero half: 5 Explored 5918 nodes (122367 simplex iterations) in 13.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (6, 85), (6, 94), (8, 49), (9, 83), (9, 84), (12, 20), (12, 64), (17, 62), (17, 87), (18, 46), (18, 87), (20, 65), (33, 67), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (46, 47), (47, 48), (49, 83), (50, 65), (62, 86), (64, 91), (66, 67), (66, 72), (77, 78), (79, 80), (84, 85), (86, 94)] adding cut for [(38, 99), (38, 101), (39, 45), (60, 100), (60, 93), (42, 58), (43, 44), (45, 92), (15, 39), (15, 43), (16, 44), (16, 58), (75, 76), (73, 76), (73, 74), (23, 42), (23, 75), (22, 74), (92, 101), (93, 99)] adding cut for [(5, 57), (40, 68), (25, 56), (25, 30), (24, 68), (24, 57), (26, 40), (26, 56), (30, 69), (69, 81)] Optimize a model with 314 rows, 5050 columns and 61088 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 312 rows, 5050 columns, 60973 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215065e+03, 401 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.06536 0 113 3924.00000 1215.06536 69.0% - 0s Another try with MIP start H 0 0 1232.0000000 1215.06536 1.37% - 0s H 0 0 1230.0000000 1215.06536 1.21% - 0s 0 0 1215.65393 0 123 1230.00000 1215.65393 1.17% - 0s 0 0 1215.65393 0 111 1230.00000 1215.65393 1.17% - 0s 0 0 1215.91184 0 120 1230.00000 1215.91184 1.15% - 0s 0 0 1215.92793 0 125 1230.00000 1215.92793 1.14% - 0s 0 0 1216.08627 0 127 1230.00000 1216.08627 1.13% - 0s 0 0 1216.16313 0 130 1230.00000 1216.16313 1.12% - 0s 0 0 1216.18662 0 129 1230.00000 1216.18662 1.12% - 1s 0 0 1216.19308 0 134 1230.00000 1216.19308 1.12% - 1s 0 0 1216.19676 0 136 1230.00000 1216.19676 1.12% - 1s 0 0 1216.20417 0 134 1230.00000 1216.20417 1.12% - 1s 0 0 1216.20788 0 134 1230.00000 1216.20788 1.12% - 1s 0 0 1216.27342 0 134 1230.00000 1216.27342 1.12% - 1s 0 0 1216.27426 0 137 1230.00000 1216.27426 1.12% - 1s 0 0 1216.28419 0 137 1230.00000 1216.28419 1.12% - 1s 0 0 1216.28433 0 141 1230.00000 1216.28433 1.12% - 1s 0 0 1216.31240 0 133 1230.00000 1216.31240 1.11% - 1s 0 0 1216.31243 0 136 1230.00000 1216.31243 1.11% - 1s 0 0 1216.31541 0 138 1230.00000 1216.31541 1.11% - 1s 0 2 1216.31546 0 137 1230.00000 1216.31546 1.11% - 1s * 99 90 59 1227.0000000 1216.52377 0.85% 27.6 1s 747 541 1224.30435 39 93 1227.00000 1217.12230 0.81% 26.3 5s * 829 529 43 1225.0000000 1217.95082 0.58% 26.9 5s * 1403 606 38 1224.0000000 1218.82497 0.42% 26.8 6s 2238 757 1220.08610 34 115 1224.00000 1219.16081 0.40% 27.1 10s * 3232 578 48 1223.0000000 1219.84621 0.26% 25.9 12s 4757 540 cutoff 36 1223.00000 1220.70689 0.19% 24.6 15s Cutting planes: Gomory: 7 MIR: 2 Zero half: 14 Explored 6050 nodes (140048 simplex iterations) in 16.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(11, 63), (11, 91), (21, 33), (21, 67), (22, 74), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (32, 89), (33, 91), (35, 36), (35, 79), (36, 66), (40, 68), (42, 75), (57, 76), (63, 89), (66, 72), (67, 72), (73, 74), (73, 75)] adding cut for [(3, 58), (8, 49), (12, 20), (12, 64), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 87), (20, 48), (37, 47), (37, 50), (39, 45), (43, 44), (45, 92), (46, 47), (48, 49), (50, 65), (62, 86), (64, 65), (86, 101), (92, 101)] Optimize a model with 316 rows, 5050 columns and 61791 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 314 rows, 5050 columns, 61676 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215065e+03, 326 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.06536 0 110 3924.00000 1215.06536 69.0% - 0s Another try with MIP start H 0 0 1236.0000000 1215.06536 1.69% - 0s H 0 0 1233.0000000 1215.06536 1.45% - 0s 0 0 1215.65393 0 120 1233.00000 1215.65393 1.41% - 0s 0 0 1215.65393 0 112 1233.00000 1215.65393 1.41% - 0s 0 0 1216.03353 0 119 1233.00000 1216.03353 1.38% - 0s 0 0 1216.06169 0 126 1233.00000 1216.06169 1.37% - 0s 0 0 1216.28502 0 130 1233.00000 1216.28502 1.36% - 1s 0 0 1216.28530 0 130 1233.00000 1216.28530 1.36% - 1s 0 0 1216.30698 0 129 1233.00000 1216.30698 1.35% - 1s 0 0 1216.30698 0 132 1233.00000 1216.30698 1.35% - 1s 0 0 1216.30907 0 132 1233.00000 1216.30907 1.35% - 1s 0 0 1216.31636 0 134 1233.00000 1216.31636 1.35% - 1s 0 0 1216.40774 0 130 1233.00000 1216.40774 1.35% - 1s 0 0 1216.42820 0 131 1233.00000 1216.42820 1.34% - 1s 0 0 1216.42928 0 131 1233.00000 1216.42928 1.34% - 1s 0 0 1216.43043 0 132 1233.00000 1216.43043 1.34% - 1s 0 0 1216.43043 0 132 1233.00000 1216.43043 1.34% - 1s 0 2 1216.43771 0 132 1233.00000 1216.43771 1.34% - 1s * 83 74 50 1228.0000000 1216.53284 0.93% 26.6 2s * 283 127 24 1224.0000000 1217.18209 0.56% 25.5 2s 875 370 1222.96032 33 92 1224.00000 1217.94880 0.49% 26.8 5s H 2956 642 1223.0000000 1220.16472 0.23% 24.3 9s 3525 646 1221.82780 21 99 1223.00000 1220.42857 0.21% 23.8 10s Cutting planes: Gomory: 4 Zero half: 10 Explored 5521 nodes (119624 simplex iterations) in 13.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(6, 61), (6, 85), (9, 47), (9, 84), (10, 52), (10, 72), (15, 43), (15, 45), (16, 44), (16, 58), (18, 46), (18, 87), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (35, 36), (35, 79), (36, 66), (39, 45), (39, 87), (40, 68), (42, 58), (43, 44), (46, 47), (51, 52), (55, 56), (57, 76), (66, 67), (67, 72), (84, 85)] adding cut for [(64, 91), (33, 91), (37, 48), (37, 50), (11, 71), (11, 63), (12, 64), (12, 20), (48, 49), (49, 83), (50, 65), (20, 65), (21, 33), (21, 31), (63, 89), (31, 71)] adding cut for [(99, 101), (38, 99), (38, 60), (60, 93), (17, 92), (17, 62), (94, 100), (86, 94), (88, 98), (92, 101), (93, 98), (62, 86)] adding cut for [(80, 82), (34, 82), (4, 80), (4, 34)] Optimize a model with 320 rows, 5050 columns and 62677 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 318 rows, 5050 columns, 62562 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215065e+03, 344 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.06536 0 114 3924.00000 1215.06536 69.0% - 0s Another try with MIP start H 0 0 1232.0000000 1215.06536 1.37% - 0s H 0 0 1230.0000000 1215.06536 1.21% - 0s 0 0 1216.03353 0 119 1230.00000 1216.03353 1.14% - 0s 0 0 1216.03353 0 113 1230.00000 1216.03353 1.14% - 0s 0 0 1216.04142 0 128 1230.00000 1216.04142 1.13% - 0s 0 0 1216.14823 0 132 1230.00000 1216.14823 1.13% - 1s 0 0 1216.25196 0 132 1230.00000 1216.25196 1.12% - 1s 0 0 1216.27604 0 131 1230.00000 1216.27604 1.12% - 1s 0 0 1216.28086 0 135 1230.00000 1216.28086 1.12% - 1s 0 0 1216.29505 0 134 1230.00000 1216.29505 1.11% - 1s 0 0 1216.37485 0 130 1230.00000 1216.37485 1.11% - 1s 0 0 1216.38190 0 130 1230.00000 1216.38190 1.11% - 1s 0 0 1216.39344 0 132 1230.00000 1216.39344 1.11% - 1s 0 0 1216.39344 0 133 1230.00000 1216.39344 1.11% - 1s 0 0 1216.39602 0 132 1230.00000 1216.39602 1.11% - 1s 0 0 1216.39602 0 132 1230.00000 1216.39602 1.11% - 1s 0 2 1216.39977 0 132 1230.00000 1216.39977 1.11% - 1s * 229 127 39 1225.0000000 1216.54416 0.69% 24.0 1s H 606 340 1224.0000000 1217.81783 0.51% 25.1 3s 971 457 1221.12337 20 112 1224.00000 1218.21101 0.47% 26.8 5s 3207 1026 1222.77725 24 97 1224.00000 1220.08191 0.32% 24.9 10s * 4318 931 22 1223.0000000 1220.39053 0.21% 24.3 12s 5881 698 1221.16069 26 122 1223.00000 1220.97412 0.17% 23.3 15s Cutting planes: Gomory: 7 Zero half: 11 Explored 7286 nodes (159559 simplex iterations) in 17.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(3, 58), (10, 52), (10, 72), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 80), (34, 51), (34, 82), (35, 36), (35, 79), (36, 66), (40, 68), (42, 58), (52, 82), (55, 56), (57, 76), (66, 72), (79, 80)] adding cut for [(64, 65), (37, 50), (37, 48), (6, 85), (6, 94), (9, 83), (9, 84), (62, 86), (12, 64), (12, 20), (50, 65), (46, 47), (47, 48), (49, 83), (18, 62), (18, 46), (84, 85), (86, 94), (20, 49)] adding cut for [(99, 101), (38, 99), (38, 93), (39, 45), (39, 87), (60, 100), (60, 93), (43, 88), (15, 44), (15, 45), (16, 43), (16, 44), (17, 87), (17, 92), (92, 101)] adding cut for [(32, 89), (33, 67), (33, 91), (31, 71), (11, 91), (11, 63), (21, 67), (21, 31), (63, 89)] Optimize a model with 324 rows, 5050 columns and 63313 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 322 rows, 5050 columns, 63198 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215144e+03, 365 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.14428 0 115 3924.00000 1215.14428 69.0% - 0s Another try with MIP start H 0 0 1226.0000000 1215.14428 0.89% - 0s 0 0 1215.77608 0 116 1226.00000 1215.77608 0.83% - 0s 0 0 1215.77608 0 118 1226.00000 1215.77608 0.83% - 0s 0 0 1215.78126 0 121 1226.00000 1215.78126 0.83% - 0s 0 0 1215.95705 0 126 1226.00000 1215.95705 0.82% - 0s 0 0 1216.04747 0 126 1226.00000 1216.04747 0.81% - 0s 0 0 1216.05240 0 130 1226.00000 1216.05240 0.81% - 0s 0 0 1216.43975 0 131 1226.00000 1216.43975 0.78% - 0s 0 0 1216.44013 0 133 1226.00000 1216.44013 0.78% - 0s 0 0 1216.47205 0 130 1226.00000 1216.47205 0.78% - 0s 0 0 1216.47205 0 131 1226.00000 1216.47205 0.78% - 0s 0 0 1216.47205 0 131 1226.00000 1216.47205 0.78% - 1s 0 0 1216.47303 0 133 1226.00000 1216.47303 0.78% - 1s 0 0 1216.47303 0 133 1226.00000 1216.47303 0.78% - 1s 0 2 1216.47403 0 132 1226.00000 1216.47403 0.78% - 1s H 615 436 1225.0000000 1217.31692 0.63% 22.7 3s 975 582 1219.29057 21 127 1225.00000 1217.57750 0.61% 25.2 5s * 3234 1441 44 1224.0000000 1219.10160 0.40% 23.3 9s 3301 1469 1220.50000 27 95 1224.00000 1219.12335 0.40% 23.3 10s 5392 2359 1222.17142 30 101 1224.00000 1219.69554 0.35% 22.6 15s 7784 3191 1220.59851 26 98 1224.00000 1219.99282 0.33% 22.1 20s 10233 3909 1222.06742 29 98 1224.00000 1220.26185 0.31% 21.7 25s 13289 4618 1222.54902 25 99 1224.00000 1220.51514 0.28% 21.4 30s 16384 5173 1222.94223 34 105 1224.00000 1220.73410 0.27% 21.1 35s *19458 3386 36 1223.0000000 1220.92297 0.17% 21.0 39s 19460 3386 1221.32644 28 104 1223.00000 1220.92358 0.17% 21.0 40s 22802 1850 1221.95147 27 105 1223.00000 1221.50387 0.12% 20.5 45s Cutting planes: Gomory: 9 MIR: 2 Zero half: 20 Explored 24896 nodes (484638 simplex iterations) in 47.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(64, 65), (64, 91), (37, 50), (37, 47), (33, 91), (31, 52), (9, 46), (9, 47), (50, 65), (17, 87), (17, 62), (18, 46), (18, 87), (51, 52), (94, 100), (86, 94), (62, 86), (21, 33), (21, 31)] adding cut for [(34, 80), (34, 82), (67, 72), (4, 78), (4, 80), (69, 78), (69, 81), (10, 72), (10, 82), (55, 56), (66, 67), (35, 79), (35, 36), (25, 26), (25, 30), (36, 66), (26, 56), (30, 79)] adding cut for [(3, 58), (38, 99), (38, 93), (39, 45), (60, 93), (43, 44), (45, 92), (15, 39), (15, 43), (16, 44), (16, 58), (99, 101), (92, 101)] adding cut for [(5, 40), (40, 68), (73, 75), (73, 74), (42, 75), (22, 74), (23, 42), (23, 76), (24, 68), (24, 57), (57, 76)] adding cut for [(11, 71), (11, 63), (12, 20), (12, 63), (48, 49), (49, 83), (20, 48)] Optimize a model with 329 rows, 5050 columns and 63859 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 327 rows, 5050 columns, 63744 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215144e+03, 355 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.14428 0 115 3924.00000 1215.14428 69.0% - 0s Another try with MIP start H 0 0 1236.0000000 1215.14428 1.69% - 0s H 0 0 1231.0000000 1215.14428 1.29% - 0s 0 0 1215.77608 0 118 1231.00000 1215.77608 1.24% - 0s 0 0 1215.77608 0 116 1231.00000 1215.77608 1.24% - 0s 0 0 1215.78071 0 120 1231.00000 1215.78071 1.24% - 0s 0 0 1215.98085 0 122 1231.00000 1215.98085 1.22% - 0s 0 0 1215.99153 0 122 1231.00000 1215.99153 1.22% - 0s 0 0 1216.29965 0 130 1231.00000 1216.29965 1.19% - 1s 0 0 1216.48779 0 133 1231.00000 1216.48779 1.18% - 1s 0 0 1216.48779 0 134 1231.00000 1216.48779 1.18% - 1s 0 0 1216.51603 0 132 1231.00000 1216.51603 1.18% - 1s 0 0 1216.51603 0 134 1231.00000 1216.51603 1.18% - 1s 0 0 1216.54498 0 136 1231.00000 1216.54498 1.17% - 1s 0 0 1216.55136 0 136 1231.00000 1216.55136 1.17% - 1s 0 0 1216.56392 0 135 1231.00000 1216.56392 1.17% - 1s 0 0 1216.56395 0 137 1231.00000 1216.56395 1.17% - 1s 0 0 1216.56651 0 136 1231.00000 1216.56651 1.17% - 1s 0 0 1216.56925 0 137 1231.00000 1216.56925 1.17% - 1s 0 0 1216.56925 0 136 1231.00000 1216.56925 1.17% - 1s 0 2 1216.56926 0 136 1231.00000 1216.56926 1.17% - 1s H 385 332 1230.0000000 1217.05300 1.05% 24.1 2s * 445 312 85 1228.0000000 1217.05300 0.89% 23.1 2s H 658 459 1225.0000000 1217.36514 0.62% 24.7 4s 747 494 1223.02013 26 92 1225.00000 1217.66698 0.60% 25.8 5s * 1110 580 40 1224.0000000 1217.81239 0.51% 27.6 6s 2522 692 1220.70236 26 107 1224.00000 1219.73172 0.35% 25.5 10s 4911 1195 1222.81670 29 101 1224.00000 1220.57240 0.28% 24.1 15s * 7337 783 34 1223.0000000 1221.07962 0.16% 23.3 19s 7579 674 1221.62575 32 96 1223.00000 1221.24525 0.14% 23.1 20s Cutting planes: Gomory: 6 MIR: 3 Zero half: 12 Explored 8465 nodes (185878 simplex iterations) in 20.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(5, 26), (5, 40), (10, 52), (10, 72), (12, 64), (12, 65), (15, 43), (15, 45), (16, 44), (16, 58), (18, 46), (18, 87), (21, 31), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 56), (30, 79), (31, 71), (33, 67), (33, 91), (34, 51), (34, 82), (35, 36), (35, 79), (36, 66), (37, 47), (37, 50), (39, 45), (39, 87), (40, 68), (42, 58), (43, 44), (46, 47), (50, 65), (52, 82), (57, 73), (64, 91), (66, 72), (73, 74), (74, 75), (75, 76)] adding cut for [(32, 89), (6, 85), (6, 61), (9, 83), (9, 84), (11, 89), (11, 63), (48, 49), (49, 83), (84, 85), (20, 48), (20, 63)] adding cut for [(38, 99), (38, 101), (60, 100), (60, 94), (17, 62), (17, 92), (62, 86), (86, 94), (92, 101), (93, 98), (93, 99)] Optimize a model with 332 rows, 5050 columns and 65084 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 330 rows, 5050 columns, 64969 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215144e+03, 371 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.14428 0 115 3924.00000 1215.14428 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1215.14428 1.53% - 0s H 0 0 1231.0000000 1215.14428 1.29% - 0s 0 0 1215.77608 0 116 1231.00000 1215.77608 1.24% - 0s 0 0 1215.77608 0 116 1231.00000 1215.77608 1.24% - 0s 0 0 1215.78071 0 119 1231.00000 1215.78071 1.24% - 0s 0 0 1215.97168 0 124 1231.00000 1215.97168 1.22% - 0s 0 0 1216.05289 0 121 1231.00000 1216.05289 1.21% - 1s 0 0 1216.30484 0 129 1231.00000 1216.30484 1.19% - 1s 0 0 1216.45811 0 130 1231.00000 1216.45811 1.18% - 1s 0 0 1216.45811 0 131 1231.00000 1216.45811 1.18% - 1s 0 0 1216.51082 0 132 1231.00000 1216.51082 1.18% - 1s 0 0 1216.56363 0 136 1231.00000 1216.56363 1.17% - 1s 0 0 1216.60998 0 134 1231.00000 1216.60998 1.17% - 1s 0 0 1216.62819 0 138 1231.00000 1216.62819 1.17% - 1s 0 0 1216.62819 0 137 1231.00000 1216.62819 1.17% - 1s 0 0 1216.62819 0 139 1231.00000 1216.62819 1.17% - 1s 0 0 1216.62819 0 139 1231.00000 1216.62819 1.17% - 1s 0 0 1216.62819 0 139 1231.00000 1216.62819 1.17% - 1s 0 2 1216.71090 0 139 1231.00000 1216.71090 1.16% - 1s * 88 69 55 1227.0000000 1216.94998 0.82% 23.1 1s H 600 391 1226.0000000 1217.93275 0.66% 23.7 2s H 735 424 1225.0000000 1217.93275 0.58% 26.5 4s 936 489 1219.68992 24 111 1225.00000 1218.48719 0.53% 27.7 5s * 1455 473 38 1224.0000000 1219.47432 0.37% 27.4 6s 2793 637 1222.41589 28 91 1224.00000 1220.54526 0.28% 26.3 10s 4936 686 1222.54167 26 79 1224.00000 1221.44977 0.21% 24.6 15s * 5654 215 33 1223.0000000 1221.70455 0.11% 24.0 16s Cutting planes: Gomory: 12 Zero half: 22 Explored 5882 nodes (138242 simplex iterations) in 16.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223000000000e+03, best bound 1.223000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (9, 47), (9, 83), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 85), (18, 87), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 35), (35, 79), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (46, 47), (46, 84), (57, 76), (62, 86), (75, 76), (79, 80), (84, 85), (86, 101), (92, 101)] adding cut for [(8, 49), (10, 36), (10, 52), (11, 63), (11, 64), (12, 20), (12, 65), (20, 63), (21, 31), (21, 67), (31, 33), (33, 91), (34, 51), (34, 82), (36, 72), (37, 48), (37, 50), (48, 49), (50, 65), (52, 82), (64, 91), (66, 67), (66, 72)] adding cut for [(5, 22), (5, 55), (73, 74), (22, 73), (55, 81), (69, 81)] Optimize a model with 335 rows, 5050 columns and 66047 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 333 rows, 5050 columns, 65932 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215144e+03, 353 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.14428 0 118 3924.00000 1215.14428 69.0% - 0s Another try with MIP start H 0 0 1232.0000000 1215.14428 1.37% - 0s H 0 0 1231.0000000 1215.14428 1.29% - 0s 0 0 1215.77608 0 119 1231.00000 1215.77608 1.24% - 0s 0 0 1215.77608 0 115 1231.00000 1215.77608 1.24% - 0s 0 0 1215.78071 0 121 1231.00000 1215.78071 1.24% - 0s 0 0 1215.97168 0 125 1231.00000 1215.97168 1.22% - 1s 0 0 1216.44187 0 131 1231.00000 1216.44187 1.18% - 1s 0 0 1216.46058 0 133 1231.00000 1216.46058 1.18% - 1s 0 0 1216.52528 0 133 1231.00000 1216.52528 1.18% - 1s 0 0 1216.56364 0 135 1231.00000 1216.56364 1.17% - 1s 0 0 1216.59157 0 140 1231.00000 1216.59157 1.17% - 1s 0 0 1216.61465 0 140 1231.00000 1216.61465 1.17% - 1s 0 0 1216.62144 0 141 1231.00000 1216.62144 1.17% - 1s 0 0 1216.65701 0 137 1231.00000 1216.65701 1.17% - 1s 0 0 1216.66646 0 141 1231.00000 1216.66646 1.16% - 1s 0 0 1216.67068 0 139 1231.00000 1216.67068 1.16% - 1s 0 0 1216.67337 0 139 1231.00000 1216.67337 1.16% - 1s 0 2 1216.72987 0 138 1231.00000 1216.72987 1.16% - 1s * 433 346 48 1230.0000000 1217.69596 1.00% 27.0 2s H 495 369 1229.0000000 1217.71404 0.92% 26.8 2s * 512 352 47 1228.0000000 1217.71404 0.84% 26.5 2s * 687 395 49 1225.0000000 1217.85728 0.58% 27.5 4s 801 429 1223.94658 29 119 1225.00000 1217.88229 0.58% 28.3 5s 2539 975 cutoff 42 1225.00000 1219.95652 0.41% 26.0 10s 4760 1829 1221.54434 39 120 1225.00000 1220.62809 0.36% 24.5 15s * 6228 1750 38 1224.0000000 1220.91106 0.25% 24.1 18s 7211 1796 1222.19378 34 109 1224.00000 1221.16971 0.23% 23.9 20s 9772 1623 1222.38077 35 109 1224.00000 1221.66355 0.19% 23.2 25s 13194 465 cutoff 35 1224.00000 1222.59774 0.11% 22.0 30s Cutting planes: Gomory: 7 MIR: 3 Zero half: 19 Explored 13738 nodes (295031 simplex iterations) in 30.43 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.224000000000e+03, best bound 1.224000000000e+03, gap 0.0% adding cut for [(66, 72), (35, 79), (35, 36), (4, 80), (4, 30), (5, 57), (40, 68), (10, 72), (10, 52), (34, 82), (34, 51), (79, 80), (52, 82), (24, 68), (24, 57), (25, 56), (25, 30), (26, 40), (26, 56), (36, 66)] adding cut for [(3, 42), (3, 58), (17, 87), (17, 62), (22, 74), (6, 100), (6, 62), (39, 45), (43, 44), (45, 87), (15, 39), (15, 43), (16, 44), (16, 58), (75, 76), (73, 75), (73, 74), (23, 42), (23, 76)] adding cut for [(64, 65), (37, 50), (37, 47), (9, 46), (9, 47), (12, 64), (12, 20), (50, 65), (48, 49), (49, 83), (18, 46), (18, 85), (84, 85), (20, 48), (61, 84)] adding cut for [(33, 67), (33, 91), (31, 71), (11, 91), (11, 63), (21, 67), (21, 31), (63, 89)] adding cut for [(38, 99), (38, 101), (60, 94), (86, 92), (86, 94), (92, 101), (93, 99)] Optimize a model with 340 rows, 5050 columns and 66631 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 338 rows, 5050 columns, 66516 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215162e+03, 315 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.16197 0 117 3924.00000 1215.16197 69.0% - 0s Another try with MIP start H 0 0 1231.0000000 1215.16197 1.29% - 0s H 0 0 1228.0000000 1215.16197 1.05% - 0s 0 0 1215.79509 0 120 1228.00000 1215.79509 0.99% - 0s 0 0 1215.79509 0 119 1228.00000 1215.79509 0.99% - 0s 0 0 1215.83967 0 128 1228.00000 1215.83967 0.99% - 0s 0 0 1216.14968 0 128 1228.00000 1216.14968 0.97% - 0s 0 0 1216.16325 0 128 1228.00000 1216.16325 0.96% - 0s 0 0 1216.36633 0 130 1228.00000 1216.36633 0.95% - 0s 0 0 1216.45658 0 134 1228.00000 1216.45658 0.94% - 1s 0 0 1216.45806 0 137 1228.00000 1216.45806 0.94% - 1s 0 0 1216.48795 0 132 1228.00000 1216.48795 0.94% - 1s 0 0 1216.56347 0 134 1228.00000 1216.56347 0.93% - 1s 0 0 1216.66601 0 131 1228.00000 1216.66601 0.92% - 1s 0 0 1216.66601 0 133 1228.00000 1216.66601 0.92% - 1s 0 0 1216.66756 0 136 1228.00000 1216.66756 0.92% - 1s 0 0 1216.66756 0 137 1228.00000 1216.66756 0.92% - 1s 0 0 1216.66756 0 136 1228.00000 1216.66756 0.92% - 1s 0 2 1216.67213 0 136 1228.00000 1216.67213 0.92% - 1s * 275 196 33 1226.0000000 1217.17492 0.72% 26.0 2s 825 506 1219.39966 21 117 1226.00000 1218.01704 0.65% 26.9 5s * 1012 526 34 1225.0000000 1218.15898 0.56% 27.2 5s 2830 1211 1221.78094 22 111 1225.00000 1219.89499 0.42% 25.1 10s 5011 2006 1221.14435 28 109 1225.00000 1220.48830 0.37% 24.0 15s * 5537 1715 30 1224.0000000 1220.61628 0.28% 23.9 16s 7244 1772 1222.87273 26 100 1224.00000 1221.10797 0.24% 23.8 20s 9628 1567 1222.30638 29 110 1224.00000 1221.64753 0.19% 23.2 25s Cutting planes: Gomory: 8 Zero half: 19 Explored 13053 nodes (279476 simplex iterations) in 29.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.224000000000e+03, best bound 1.224000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (12, 64), (12, 65), (15, 39), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (21, 31), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (26, 40), (26, 56), (31, 71), (33, 67), (33, 91), (37, 48), (37, 50), (39, 87), (40, 68), (42, 58), (43, 44), (43, 101), (45, 92), (47, 48), (50, 65), (55, 56), (57, 76), (62, 85), (64, 91), (92, 101)] adding cut for [(34, 82), (34, 52), (35, 79), (35, 36), (4, 78), (4, 80), (69, 81), (10, 72), (10, 52), (66, 72), (80, 82), (25, 81), (25, 30), (36, 66), (30, 79)] adding cut for [(97, 100), (38, 99), (38, 60), (6, 61), (6, 94), (19, 84), (86, 99), (86, 94), (60, 100), (61, 84)] Optimize a model with 343 rows, 5050 columns and 67547 nonzeros Presolve removed 2 rows and 0 columns Presolve time: 0.07s Presolved: 341 rows, 5050 columns, 67432 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215272e+03, 375 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.27218 0 116 3924.00000 1215.27218 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1215.27218 1.52% - 0s H 0 0 1231.0000000 1215.27218 1.28% - 0s 0 0 1215.90105 0 123 1231.00000 1215.90105 1.23% - 0s 0 0 1215.90105 0 118 1231.00000 1215.90105 1.23% - 0s 0 0 1216.06381 0 130 1231.00000 1216.06381 1.21% - 0s 0 0 1216.33741 0 127 1231.00000 1216.33741 1.19% - 0s 0 0 1216.37615 0 134 1231.00000 1216.37615 1.19% - 0s 0 0 1216.41352 0 135 1231.00000 1216.41352 1.18% - 0s 0 0 1216.45881 0 129 1231.00000 1216.45881 1.18% - 1s 0 0 1216.47873 0 131 1231.00000 1216.47873 1.18% - 1s 0 0 1216.53119 0 134 1231.00000 1216.53119 1.18% - 1s 0 0 1216.53552 0 133 1231.00000 1216.53552 1.18% - 1s 0 0 1216.54947 0 134 1231.00000 1216.54947 1.17% - 1s 0 0 1216.54947 0 135 1231.00000 1216.54947 1.17% - 1s 0 0 1216.55757 0 132 1231.00000 1216.55757 1.17% - 1s 0 0 1216.55941 0 134 1231.00000 1216.55941 1.17% - 1s 0 0 1216.56189 0 134 1231.00000 1216.56189 1.17% - 1s 0 0 1216.56189 0 134 1231.00000 1216.56189 1.17% - 1s 0 2 1216.56242 0 134 1231.00000 1216.56242 1.17% - 1s H 600 455 1229.0000000 1217.65988 0.92% 23.2 3s 632 479 1218.41890 19 121 1229.00000 1217.85300 0.91% 24.2 5s H 865 556 1228.0000000 1218.37263 0.78% 26.8 6s * 1054 570 56 1227.0000000 1218.45292 0.70% 26.9 6s * 1488 625 42 1226.0000000 1218.84606 0.58% 26.9 7s 1834 743 1224.80000 55 45 1226.00000 1219.07859 0.56% 28.6 10s * 3613 894 36 1225.0000000 1220.64100 0.36% 27.4 14s 3897 992 1222.14271 33 100 1225.00000 1220.78376 0.34% 27.2 15s * 5299 734 34 1224.0000000 1221.41171 0.21% 26.6 18s 6126 569 cutoff 29 1224.00000 1221.95208 0.17% 26.1 20s Cutting planes: Gomory: 5 MIR: 1 Zero half: 13 Mod-K: 1 Explored 7129 nodes (177005 simplex iterations) in 21.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.224000000000e+03, best bound 1.224000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (12, 20), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (18, 46), (18, 87), (19, 83), (20, 49), (22, 74), (23, 42), (23, 76), (37, 48), (37, 50), (39, 45), (42, 58), (43, 44), (45, 87), (47, 48), (49, 83), (50, 65), (73, 74), (73, 75), (75, 76)] adding cut for [(5, 57), (10, 36), (10, 72), (11, 63), (11, 64), (21, 33), (21, 67), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (32, 63), (33, 91), (35, 36), (35, 79), (40, 68), (64, 91), (66, 67), (66, 72)] adding cut for [(6, 100), (6, 85), (92, 101), (62, 86), (93, 99), (17, 92), (17, 62), (84, 85), (86, 94), (38, 99), (38, 101), (60, 100), (60, 94), (61, 84)] adding cut for [(34, 82), (34, 52), (4, 78), (4, 80), (80, 82), (31, 71), (31, 52)] Optimize a model with 347 rows, 5050 columns and 68311 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 346 rows, 5050 columns, 68206 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215288e+03, 385 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.28784 0 118 3924.00000 1215.28784 69.0% - 0s Another try with MIP start H 0 0 1242.0000000 1215.28784 2.15% - 0s H 0 0 1229.0000000 1215.28784 1.12% - 0s 0 0 1216.30825 0 120 1229.00000 1216.30825 1.03% - 0s 0 0 1216.30825 0 118 1229.00000 1216.30825 1.03% - 0s 0 0 1216.34594 0 124 1229.00000 1216.34594 1.03% - 0s 0 0 1216.39760 0 126 1229.00000 1216.39760 1.03% - 0s 0 0 1216.44654 0 129 1229.00000 1216.44654 1.02% - 0s 0 0 1216.44654 0 130 1229.00000 1216.44654 1.02% - 0s 0 0 1216.46445 0 129 1229.00000 1216.46445 1.02% - 0s 0 0 1216.46445 0 130 1229.00000 1216.46445 1.02% - 1s 0 0 1216.47320 0 129 1229.00000 1216.47320 1.02% - 1s 0 0 1216.47320 0 130 1229.00000 1216.47320 1.02% - 1s 0 0 1216.52981 0 130 1229.00000 1216.52981 1.01% - 1s 0 0 1216.53831 0 132 1229.00000 1216.53831 1.01% - 1s 0 0 1216.62896 0 128 1229.00000 1216.62896 1.01% - 1s 0 0 1216.62896 0 129 1229.00000 1216.62896 1.01% - 1s 0 0 1216.63092 0 130 1229.00000 1216.63092 1.01% - 1s 0 0 1216.63092 0 131 1229.00000 1216.63092 1.01% - 1s 0 0 1216.63092 0 131 1229.00000 1216.63092 1.01% - 1s 0 2 1216.63132 0 131 1229.00000 1216.63132 1.01% - 1s * 568 363 15 1227.0000000 1218.18226 0.72% 23.8 2s * 574 328 20 1226.0000000 1218.18226 0.64% 23.6 2s 828 477 1222.82370 25 102 1226.00000 1218.39100 0.62% 25.9 5s * 1285 494 35 1225.0000000 1218.83731 0.50% 26.5 6s 2980 1086 1223.73684 26 93 1225.00000 1220.29880 0.38% 25.6 10s 5296 1780 1222.40769 19 104 1225.00000 1221.02477 0.32% 24.5 15s 7527 2222 1221.74443 21 100 1225.00000 1221.41176 0.29% 24.0 20s * 7797 1662 38 1224.0000000 1221.45526 0.21% 23.9 20s 9965 1128 1222.56361 40 115 1224.00000 1222.13462 0.15% 23.6 25s Cutting planes: Gomory: 5 MIR: 1 Zero half: 13 Explored 11702 nodes (258754 simplex iterations) in 26.91 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.224000000000e+03, best bound 1.224000000000e+03, gap 0.0% adding cut for [(12, 20), (12, 64), (15, 39), (15, 43), (16, 44), (16, 58), (18, 46), (18, 87), (20, 65), (22, 74), (23, 42), (23, 75), (31, 33), (31, 71), (33, 91), (37, 48), (37, 50), (39, 87), (42, 58), (43, 44), (46, 47), (47, 48), (50, 65), (64, 91), (73, 74), (73, 76), (75, 76)] adding cut for [(66, 72), (35, 79), (35, 36), (5, 57), (40, 68), (10, 82), (10, 52), (34, 82), (67, 72), (21, 67), (21, 52), (25, 56), (25, 30), (24, 68), (24, 57), (26, 40), (26, 56), (30, 79), (36, 66)] adding cut for [(97, 100), (99, 101), (38, 99), (38, 93), (60, 100), (60, 94), (45, 92), (17, 45), (17, 62), (62, 86), (86, 94), (92, 101), (93, 98)] adding cut for [(6, 85), (6, 61), (8, 49), (9, 83), (9, 84), (49, 83), (84, 85)] Optimize a model with 351 rows, 5050 columns and 68998 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 350 rows, 5050 columns, 68893 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215290e+03, 351 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.29015 0 119 3924.00000 1215.29015 69.0% - 0s Another try with MIP start H 0 0 1232.0000000 1215.29015 1.36% - 0s H 0 0 1231.0000000 1215.29015 1.28% - 0s 0 0 1216.30825 0 120 1231.00000 1216.30825 1.19% - 0s 0 0 1216.30825 0 119 1231.00000 1216.30825 1.19% - 0s 0 0 1216.33528 0 124 1231.00000 1216.33528 1.19% - 1s 0 0 1216.33528 0 125 1231.00000 1216.33528 1.19% - 1s 0 0 1216.36889 0 128 1231.00000 1216.36889 1.19% - 1s 0 0 1216.36889 0 130 1231.00000 1216.36889 1.19% - 1s 0 0 1216.47652 0 125 1231.00000 1216.47652 1.18% - 1s 0 0 1216.47652 0 126 1231.00000 1216.47652 1.18% - 1s 0 0 1216.49073 0 128 1231.00000 1216.49073 1.18% - 1s 0 0 1216.58615 0 131 1231.00000 1216.58615 1.17% - 1s 0 0 1216.70013 0 125 1231.00000 1216.70013 1.16% - 1s 0 0 1216.70022 0 128 1231.00000 1216.70022 1.16% - 1s 0 0 1216.74952 0 136 1231.00000 1216.74952 1.16% - 1s 0 0 1216.75642 0 135 1231.00000 1216.75642 1.16% - 1s 0 0 1216.75774 0 138 1231.00000 1216.75774 1.16% - 1s 0 0 1216.78275 0 138 1231.00000 1216.78275 1.15% - 1s 0 0 1216.78275 0 139 1231.00000 1216.78275 1.15% - 2s 0 0 1216.83002 0 136 1231.00000 1216.83002 1.15% - 2s 0 0 1216.83452 0 136 1231.00000 1216.83452 1.15% - 2s 0 0 1216.84715 0 138 1231.00000 1216.84715 1.15% - 2s 0 0 1216.87755 0 139 1231.00000 1216.87755 1.15% - 2s 0 0 1216.96592 0 141 1231.00000 1216.96592 1.14% - 2s 0 0 1216.98917 0 137 1231.00000 1216.98917 1.14% - 2s 0 0 1217.00115 0 139 1231.00000 1217.00115 1.14% - 2s 0 0 1217.00115 0 139 1231.00000 1217.00115 1.14% - 2s 0 0 1217.00463 0 139 1231.00000 1217.00463 1.14% - 2s 0 0 1217.00600 0 144 1231.00000 1217.00600 1.14% - 2s 0 0 1217.00600 0 144 1231.00000 1217.00600 1.14% - 2s 0 2 1217.00600 0 144 1231.00000 1217.00600 1.14% - 2s * 408 225 46 1227.0000000 1217.81711 0.75% 23.3 3s 614 342 1218.00599 13 135 1227.00000 1218.00599 0.73% 24.2 5s * 882 414 39 1225.0000000 1218.00599 0.57% 26.8 6s 2230 767 1222.40789 24 110 1225.00000 1220.18310 0.39% 26.3 10s 4305 1309 1222.22631 22 111 1225.00000 1221.12085 0.32% 25.4 15s 6433 1630 1223.80349 32 96 1225.00000 1221.72900 0.27% 24.6 20s * 8248 1070 35 1224.0000000 1222.12710 0.15% 24.0 24s 8751 785 1222.77887 31 105 1224.00000 1222.42089 0.13% 23.6 25s Cutting planes: Gomory: 9 MIR: 3 Zero half: 22 Explored 9664 nodes (215603 simplex iterations) in 26.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.224000000000e+03, best bound 1.224000000000e+03, gap 0.0% adding cut for [(11, 63), (11, 64), (21, 31), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 33), (32, 63), (33, 91), (35, 36), (35, 79), (36, 66), (40, 68), (42, 76), (57, 76), (64, 91), (66, 72), (67, 72), (73, 74), (73, 75)] adding cut for [(3, 58), (8, 83), (9, 46), (9, 47), (12, 20), (12, 65), (15, 43), (15, 45), (16, 44), (16, 58), (18, 85), (18, 87), (20, 48), (37, 47), (37, 50), (39, 45), (39, 87), (43, 44), (46, 84), (48, 49), (49, 83), (50, 65), (84, 85)] adding cut for [(34, 80), (34, 82), (4, 69), (4, 80), (69, 81), (10, 82), (10, 52), (51, 52), (55, 81), (5, 22), (5, 55)] adding cut for [(97, 100), (38, 99), (38, 101), (60, 99), (60, 93), (17, 62), (17, 92), (62, 86), (86, 94), (92, 101), (94, 100)] Optimize a model with 355 rows, 5050 columns and 69784 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 354 rows, 5050 columns, 69679 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215290e+03, 350 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.29015 0 118 3924.00000 1215.29015 69.0% - 0s Another try with MIP start H 0 0 1243.0000000 1215.29015 2.23% - 0s H 0 0 1231.0000000 1215.29015 1.28% - 0s 0 0 1215.94568 0 121 1231.00000 1215.94568 1.22% - 0s 0 0 1215.94568 0 120 1231.00000 1215.94568 1.22% - 0s 0 0 1216.33528 0 124 1231.00000 1216.33528 1.19% - 0s 0 0 1216.33528 0 125 1231.00000 1216.33528 1.19% - 0s 0 0 1216.37138 0 124 1231.00000 1216.37138 1.19% - 0s 0 0 1216.40457 0 128 1231.00000 1216.40457 1.19% - 1s 0 0 1216.50675 0 129 1231.00000 1216.50675 1.18% - 1s 0 0 1216.50975 0 130 1231.00000 1216.50975 1.18% - 1s 0 0 1216.50975 0 131 1231.00000 1216.50975 1.18% - 1s 0 0 1216.52212 0 133 1231.00000 1216.52212 1.18% - 1s 0 0 1216.52212 0 134 1231.00000 1216.52212 1.18% - 1s 0 0 1216.59527 0 135 1231.00000 1216.59527 1.17% - 1s 0 0 1216.60007 0 136 1231.00000 1216.60007 1.17% - 1s 0 0 1216.60007 0 137 1231.00000 1216.60007 1.17% - 1s 0 0 1216.60007 0 137 1231.00000 1216.60007 1.17% - 1s 0 2 1216.60128 0 136 1231.00000 1216.60128 1.17% - 1s * 577 456 59 1230.0000000 1217.40702 1.02% 21.8 2s 714 528 1221.56561 15 133 1230.00000 1217.63442 1.01% 22.3 5s * 1007 594 59 1229.0000000 1218.31640 0.87% 25.4 6s H 1508 581 1226.0000000 1218.65431 0.60% 25.9 8s 1648 640 1221.38796 41 103 1226.00000 1218.90544 0.58% 26.3 10s * 1884 675 47 1225.0000000 1218.90544 0.50% 26.9 10s 3640 847 1223.57037 40 86 1225.00000 1220.37053 0.38% 26.3 15s 5831 1320 1223.73540 38 102 1225.00000 1221.06360 0.32% 25.7 20s 8231 1562 1223.27586 38 108 1225.00000 1221.65700 0.27% 24.9 25s 10896 1530 1222.36364 41 93 1225.00000 1222.17624 0.23% 24.1 30s *13401 401 41 1224.0000000 1222.70219 0.11% 23.3 33s Cutting planes: Gomory: 4 MIR: 1 Zero half: 14 Explored 13813 nodes (316172 simplex iterations) in 34.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.224000000000e+03, best bound 1.224000000000e+03, gap 0.0% adding cut for [(4, 51), (4, 80), (16, 44), (16, 58), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 35), (34, 80), (34, 82), (35, 79), (40, 68), (42, 58), (43, 44), (43, 88), (55, 56), (57, 76), (73, 74), (73, 76), (74, 75), (79, 82)] adding cut for [(64, 91), (66, 67), (66, 72), (36, 72), (37, 48), (37, 50), (33, 91), (8, 49), (10, 36), (10, 52), (12, 64), (12, 65), (50, 65), (20, 48), (20, 49), (21, 67), (21, 33), (31, 71), (31, 52)] adding cut for [(6, 62), (6, 94), (39, 87), (45, 92), (15, 39), (15, 45), (17, 62), (17, 87), (86, 101), (86, 94), (92, 101)] Optimize a model with 358 rows, 5050 columns and 70380 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 357 rows, 5050 columns, 70275 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215528e+03, 379 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.52768 0 122 3924.00000 1215.52768 69.0% - 0s Another try with MIP start H 0 0 1228.0000000 1215.52768 1.02% - 0s 0 0 1216.19415 0 123 1228.00000 1216.19415 0.96% - 0s 0 0 1216.19415 0 127 1228.00000 1216.19415 0.96% - 1s 0 0 1216.31211 0 127 1228.00000 1216.31211 0.95% - 1s 0 0 1216.34195 0 132 1228.00000 1216.34195 0.95% - 1s 0 0 1216.46187 0 133 1228.00000 1216.46187 0.94% - 1s 0 0 1216.68690 0 132 1228.00000 1216.68690 0.92% - 1s 0 0 1216.68690 0 133 1228.00000 1216.68690 0.92% - 1s 0 0 1216.69641 0 137 1228.00000 1216.69641 0.92% - 1s 0 0 1216.69641 0 138 1228.00000 1216.69641 0.92% - 1s 0 0 1216.70345 0 136 1228.00000 1216.70345 0.92% - 1s 0 0 1216.70615 0 138 1228.00000 1216.70615 0.92% - 1s 0 0 1216.71941 0 134 1228.00000 1216.71941 0.92% - 1s 0 0 1216.71941 0 135 1228.00000 1216.71941 0.92% - 1s 0 0 1216.73365 0 134 1228.00000 1216.73365 0.92% - 1s 0 0 1216.73553 0 138 1228.00000 1216.73553 0.92% - 1s 0 0 1216.74293 0 139 1228.00000 1216.74293 0.92% - 1s 0 0 1216.74843 0 139 1228.00000 1216.74843 0.92% - 1s 0 0 1216.74969 0 136 1228.00000 1216.74969 0.92% - 1s 0 0 1216.75047 0 137 1228.00000 1216.75047 0.92% - 1s 0 2 1216.75688 0 137 1228.00000 1216.75688 0.92% - 1s * 413 239 50 1226.0000000 1217.84023 0.67% 25.8 3s 626 357 1219.44189 16 121 1226.00000 1218.33795 0.62% 26.3 5s 2417 951 1221.81714 20 83 1226.00000 1220.54375 0.45% 26.2 10s * 4179 1390 31 1225.0000000 1221.31648 0.30% 25.2 14s 4586 1454 1223.71275 30 96 1225.00000 1221.41131 0.29% 25.2 15s 6790 1541 1223.34297 24 96 1225.00000 1222.06459 0.24% 24.5 20s 9105 1356 1223.55870 25 107 1225.00000 1222.56040 0.20% 23.9 25s Cutting planes: Gomory: 6 MIR: 1 Zero half: 9 Explored 12420 nodes (275607 simplex iterations) in 29.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(6, 61), (6, 85), (9, 46), (9, 84), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 87), (21, 31), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 71), (35, 36), (35, 79), (36, 72), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (57, 76), (62, 86), (66, 67), (66, 72), (84, 85), (86, 101), (92, 101)] adding cut for [(33, 91), (37, 47), (37, 50), (64, 65), (64, 91), (11, 32), (11, 33), (47, 48), (48, 49), (49, 83), (50, 65)] adding cut for [(20, 63), (12, 20), (12, 63)] Optimize a model with 361 rows, 5050 columns and 71229 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 360 rows, 5050 columns, 71124 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215528e+03, 379 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.52768 0 127 3924.00000 1215.52768 69.0% - 0s Another try with MIP start H 0 0 1229.0000000 1215.52768 1.10% - 0s 0 0 1216.19415 0 127 1229.00000 1216.19415 1.04% - 1s 0 0 1216.19415 0 122 1229.00000 1216.19415 1.04% - 1s 0 0 1216.31211 0 127 1229.00000 1216.31211 1.03% - 1s 0 0 1216.34691 0 132 1229.00000 1216.34691 1.03% - 1s 0 0 1216.45700 0 130 1229.00000 1216.45700 1.02% - 1s 0 0 1216.47573 0 133 1229.00000 1216.47573 1.02% - 1s 0 0 1216.49868 0 135 1229.00000 1216.49868 1.02% - 1s 0 0 1216.49873 0 137 1229.00000 1216.49873 1.02% - 1s 0 0 1216.52192 0 136 1229.00000 1216.52192 1.02% - 1s 0 0 1216.75274 0 136 1229.00000 1216.75274 1.00% - 1s 0 0 1216.76032 0 138 1229.00000 1216.76032 1.00% - 1s 0 0 1216.77036 0 135 1229.00000 1216.77036 1.00% - 1s 0 0 1216.77539 0 138 1229.00000 1216.77539 0.99% - 1s 0 0 1216.80429 0 134 1229.00000 1216.80429 0.99% - 1s 0 0 1216.81048 0 135 1229.00000 1216.81048 0.99% - 1s 0 0 1216.81895 0 137 1229.00000 1216.81895 0.99% - 1s 0 0 1216.81895 0 139 1229.00000 1216.81895 0.99% - 1s 0 0 1216.82537 0 141 1229.00000 1216.82537 0.99% - 1s 0 0 1216.84344 0 139 1229.00000 1216.84344 0.99% - 1s 0 0 1216.85006 0 140 1229.00000 1216.85006 0.99% - 1s 0 0 1216.85006 0 141 1229.00000 1216.85006 0.99% - 2s 0 0 1216.85006 0 141 1229.00000 1216.85006 0.99% - 2s 0 2 1216.85463 0 141 1229.00000 1216.85463 0.99% - 2s 608 434 1218.39105 5 139 1229.00000 1218.08912 0.89% 21.9 5s * 796 487 53 1228.0000000 1218.08912 0.81% 25.6 6s H 1103 527 1227.0000000 1218.75385 0.67% 27.8 8s 1910 779 1223.94850 28 104 1227.00000 1219.94274 0.58% 27.7 10s 3707 1766 1224.97737 34 83 1227.00000 1220.95114 0.49% 26.5 15s * 4362 1793 30 1226.0000000 1221.14575 0.40% 26.3 16s 4511 1848 1222.25397 37 143 1226.00000 1221.19349 0.39% 26.1 20s 6324 2213 1223.82540 38 86 1226.00000 1221.19349 0.39% 26.4 25s 8423 2204 1221.79212 33 116 1226.00000 1221.58252 0.36% 25.8 30s * 9008 1732 50 1225.0000000 1221.74872 0.27% 25.6 31s 10863 1424 1222.63547 39 113 1225.00000 1222.34151 0.22% 25.1 35s 13950 789 1223.64539 41 82 1225.00000 1223.24282 0.14% 23.7 40s Cutting planes: Gomory: 2 Zero half: 16 Mod-K: 2 Explored 15082 nodes (345688 simplex iterations) in 41.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(4, 30), (4, 80), (9, 46), (9, 47), (10, 36), (10, 72), (11, 63), (11, 91), (12, 20), (12, 64), (15, 39), (15, 43), (16, 44), (16, 58), (17, 45), (17, 87), (18, 46), (18, 87), (20, 49), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (32, 89), (33, 91), (35, 36), (35, 79), (37, 48), (37, 50), (39, 45), (40, 68), (42, 58), (43, 44), (47, 48), (49, 83), (50, 65), (55, 56), (57, 76), (63, 89), (64, 65), (66, 67), (66, 72), (79, 80)] adding cut for [(99, 101), (6, 100), (6, 85), (92, 101), (62, 92), (62, 86), (84, 85), (86, 94), (38, 99), (38, 93), (60, 100), (60, 94), (61, 84)] Optimize a model with 363 rows, 5050 columns and 72545 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 362 rows, 5050 columns, 72440 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215528e+03, 355 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.52768 0 126 3924.00000 1215.52768 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1215.52768 1.50% - 0s H 0 0 1230.0000000 1215.52768 1.18% - 0s 0 0 1216.19415 0 127 1230.00000 1216.19415 1.12% - 0s 0 0 1216.19415 0 122 1230.00000 1216.19415 1.12% - 1s 0 0 1216.31211 0 127 1230.00000 1216.31211 1.11% - 1s 0 0 1216.35924 0 128 1230.00000 1216.35924 1.11% - 1s 0 0 1216.36418 0 134 1230.00000 1216.36418 1.11% - 1s 0 0 1216.38507 0 133 1230.00000 1216.38507 1.11% - 1s 0 0 1216.50230 0 134 1230.00000 1216.50230 1.10% - 1s 0 0 1216.51763 0 135 1230.00000 1216.51763 1.10% - 1s 0 0 1216.57873 0 137 1230.00000 1216.57873 1.09% - 1s 0 0 1216.60258 0 141 1230.00000 1216.60258 1.09% - 1s 0 0 1216.64002 0 140 1230.00000 1216.64002 1.09% - 1s 0 0 1216.71290 0 141 1230.00000 1216.71290 1.08% - 1s 0 0 1216.90096 0 136 1230.00000 1216.90096 1.06% - 1s 0 0 1217.02159 0 132 1230.00000 1217.02159 1.06% - 1s 0 0 1217.10862 0 126 1230.00000 1217.10862 1.05% - 1s 0 0 1217.11121 0 129 1230.00000 1217.11121 1.05% - 1s 0 0 1217.11485 0 131 1230.00000 1217.11485 1.05% - 1s 0 0 1217.13587 0 133 1230.00000 1217.13587 1.05% - 1s 0 0 1217.14332 0 137 1230.00000 1217.14332 1.05% - 2s 0 0 1217.14332 0 139 1230.00000 1217.14332 1.05% - 2s 0 0 1217.15732 0 136 1230.00000 1217.15732 1.04% - 2s 0 0 1217.15735 0 139 1230.00000 1217.15735 1.04% - 2s 0 0 1217.16115 0 137 1230.00000 1217.16115 1.04% - 2s 0 0 1217.16115 0 138 1230.00000 1217.16115 1.04% - 2s 0 0 1217.16115 0 137 1230.00000 1217.16115 1.04% - 2s 0 0 1217.16115 0 139 1230.00000 1217.16115 1.04% - 2s 0 2 1217.17171 0 139 1230.00000 1217.17171 1.04% - 2s H 282 230 1229.0000000 1217.93303 0.90% 26.5 3s 609 460 1221.52840 12 137 1229.00000 1218.39689 0.86% 26.1 5s * 784 503 67 1228.0000000 1218.39689 0.78% 28.2 6s H 895 509 1227.0000000 1218.54206 0.69% 29.1 7s * 1296 539 39 1226.0000000 1219.29730 0.55% 28.9 8s 1445 589 1222.49006 44 102 1226.00000 1219.56522 0.52% 29.3 10s 3331 975 1224.19388 39 102 1226.00000 1220.53638 0.45% 27.4 15s * 3769 960 57 1225.0000000 1220.77782 0.34% 27.1 16s 5417 1248 cutoff 46 1225.00000 1221.49217 0.29% 26.1 20s 7734 1331 1223.30321 40 105 1225.00000 1222.12668 0.23% 25.1 25s 10086 1110 1223.46728 43 100 1225.00000 1222.65403 0.19% 24.1 30s Cutting planes: Gomory: 5 Zero half: 12 Explored 12538 nodes (285590 simplex iterations) in 33.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(5, 56), (15, 39), (15, 43), (16, 44), (16, 58), (23, 42), (23, 76), (24, 57), (24, 68), (26, 40), (26, 56), (38, 99), (38, 101), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (57, 73), (60, 93), (60, 99), (73, 74), (74, 75), (75, 76), (88, 98), (92, 101), (93, 98)] adding cut for [(64, 65), (37, 50), (37, 48), (19, 83), (49, 83), (9, 46), (9, 47), (12, 64), (12, 20), (50, 65), (47, 48), (17, 87), (17, 62), (18, 46), (18, 87), (20, 49), (94, 100), (86, 94), (62, 86)] adding cut for [(32, 89), (33, 67), (33, 91), (66, 72), (66, 67), (35, 36), (35, 79), (36, 72), (11, 91), (11, 63), (79, 80), (4, 78), (4, 80), (63, 89)] Optimize a model with 366 rows, 5050 columns and 73218 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 365 rows, 5050 columns, 73113 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215528e+03, 349 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.52768 0 122 3924.00000 1215.52768 69.0% - 0s Another try with MIP start H 0 0 1231.0000000 1215.52768 1.26% - 0s H 0 0 1230.0000000 1215.52768 1.18% - 0s 0 0 1216.19415 0 122 1230.00000 1216.19415 1.12% - 0s 0 0 1216.19415 0 122 1230.00000 1216.19415 1.12% - 1s 0 0 1216.31211 0 127 1230.00000 1216.31211 1.11% - 1s 0 0 1216.34691 0 132 1230.00000 1216.34691 1.11% - 1s 0 0 1216.45702 0 131 1230.00000 1216.45702 1.10% - 1s 0 0 1216.47661 0 136 1230.00000 1216.47661 1.10% - 1s 0 0 1216.70496 0 129 1230.00000 1216.70496 1.08% - 1s 0 0 1216.71132 0 132 1230.00000 1216.71132 1.08% - 1s 0 0 1216.71132 0 131 1230.00000 1216.71132 1.08% - 1s 0 0 1216.71132 0 133 1230.00000 1216.71132 1.08% - 1s 0 0 1216.72395 0 132 1230.00000 1216.72395 1.08% - 1s 0 0 1216.72478 0 137 1230.00000 1216.72478 1.08% - 1s 0 0 1216.79360 0 133 1230.00000 1216.79360 1.07% - 1s 0 0 1216.79360 0 134 1230.00000 1216.79360 1.07% - 1s 0 0 1216.80024 0 134 1230.00000 1216.80024 1.07% - 1s 0 0 1216.80024 0 138 1230.00000 1216.80024 1.07% - 1s 0 0 1216.81735 0 139 1230.00000 1216.81735 1.07% - 2s 0 0 1216.81735 0 140 1230.00000 1216.81735 1.07% - 2s 0 0 1216.83685 0 139 1230.00000 1216.83685 1.07% - 2s 0 0 1216.84763 0 139 1230.00000 1216.84763 1.07% - 2s 0 0 1216.85652 0 140 1230.00000 1216.85652 1.07% - 2s 0 0 1216.85870 0 141 1230.00000 1216.85870 1.07% - 2s 0 0 1216.86085 0 139 1230.00000 1216.86085 1.07% - 2s 0 0 1216.86663 0 139 1230.00000 1216.86663 1.07% - 2s 0 0 1216.86663 0 140 1230.00000 1216.86663 1.07% - 2s 0 0 1216.86767 0 138 1230.00000 1216.86767 1.07% - 2s 0 0 1216.86767 0 139 1230.00000 1216.86767 1.07% - 2s 0 2 1216.87453 0 139 1230.00000 1216.87453 1.07% - 2s * 321 241 57 1229.0000000 1217.80184 0.91% 21.9 3s 610 438 1223.29279 21 141 1229.00000 1218.10168 0.89% 21.2 5s * 790 494 52 1228.0000000 1218.10168 0.81% 24.2 6s H 794 453 1227.0000000 1218.34451 0.71% 24.1 6s * 986 471 42 1226.0000000 1218.53896 0.61% 25.6 7s 1135 519 1220.31947 30 109 1226.00000 1219.47479 0.53% 26.1 10s * 2441 596 38 1225.0000000 1220.32979 0.38% 26.9 13s 2975 688 1223.71940 32 113 1225.00000 1221.06259 0.32% 26.6 15s 5054 863 1223.03180 31 85 1225.00000 1221.97219 0.25% 25.6 20s 7401 551 1223.34091 32 100 1225.00000 1222.98397 0.16% 24.3 25s Cutting planes: Gomory: 4 MIR: 1 Zero half: 12 Mod-K: 2 Explored 8421 nodes (195791 simplex iterations) in 26.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(4, 51), (4, 80), (5, 55), (5, 57), (23, 42), (23, 75), (24, 42), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 35), (35, 79), (40, 68), (55, 81), (57, 76), (69, 78), (69, 81), (75, 76), (79, 80)] adding cut for [(64, 91), (33, 91), (66, 67), (36, 66), (36, 72), (10, 72), (10, 82), (11, 64), (11, 32), (34, 82), (34, 52), (21, 33), (21, 67), (31, 71), (31, 52)] adding cut for [(37, 48), (37, 50), (9, 46), (9, 47), (12, 65), (12, 20), (46, 84), (47, 48), (50, 65), (20, 63), (61, 84), (63, 89)] adding cut for [(3, 58), (39, 45), (43, 101), (43, 88), (45, 92), (15, 39), (15, 44), (16, 44), (16, 58), (88, 98), (92, 101)] adding cut for [(38, 99), (38, 93), (6, 85), (94, 99), (17, 87), (17, 62), (18, 85), (18, 87), (86, 94), (60, 93), (62, 86)] Optimize a model with 371 rows, 5050 columns and 73779 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 370 rows, 5050 columns, 73674 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215529e+03, 358 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.52915 0 123 3924.00000 1215.52915 69.0% - 0s Another try with MIP start H 0 0 1233.0000000 1215.52915 1.42% - 0s H 0 0 1230.0000000 1215.52915 1.18% - 0s 0 0 1216.26577 0 126 1230.00000 1216.26577 1.12% - 0s 0 0 1216.26577 0 122 1230.00000 1216.26577 1.12% - 1s 0 0 1216.34351 0 125 1230.00000 1216.34351 1.11% - 1s 0 0 1216.39540 0 125 1230.00000 1216.39540 1.11% - 1s 0 0 1216.42426 0 125 1230.00000 1216.42426 1.10% - 1s 0 0 1216.52574 0 125 1230.00000 1216.52574 1.10% - 1s 0 0 1216.52574 0 128 1230.00000 1216.52574 1.10% - 1s 0 0 1216.52961 0 127 1230.00000 1216.52961 1.10% - 1s 0 0 1216.52961 0 129 1230.00000 1216.52961 1.10% - 1s 0 0 1216.52961 0 130 1230.00000 1216.52961 1.10% - 1s 0 0 1216.52961 0 130 1230.00000 1216.52961 1.10% - 1s 0 2 1216.53013 0 130 1230.00000 1216.53013 1.10% - 1s * 568 433 39 1229.0000000 1217.75038 0.92% 24.0 2s 713 537 1222.11905 15 139 1229.00000 1218.17245 0.88% 23.5 5s * 1441 765 71 1228.0000000 1219.03754 0.73% 27.0 7s * 1572 697 47 1227.0000000 1219.14460 0.64% 26.6 8s 2344 994 1223.34704 28 111 1227.00000 1219.62179 0.60% 26.0 10s H 3122 1242 1226.0000000 1220.13026 0.48% 25.6 11s 3553 1424 1224.52500 49 81 1226.00000 1220.20772 0.47% 26.2 15s * 4490 1391 47 1225.0000000 1220.30513 0.38% 26.4 17s 5474 1289 1223.92261 35 103 1225.00000 1221.00472 0.33% 26.3 20s 7607 931 1223.26778 36 106 1225.00000 1221.93712 0.25% 25.6 25s 9993 691 1223.00731 39 101 1225.00000 1222.75111 0.18% 24.6 30s Cutting planes: Gomory: 4 Zero half: 10 Mod-K: 1 Explored 11422 nodes (270839 simplex iterations) in 32.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(9, 47), (9, 83), (10, 52), (10, 82), (19, 83), (21, 33), (21, 67), (31, 52), (31, 71), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (50, 65), (64, 65), (64, 91), (66, 67), (66, 72), (79, 82)] adding cut for [(34, 51), (4, 34), (4, 80), (40, 68), (73, 75), (73, 74), (42, 75), (23, 42), (23, 76), (24, 68), (24, 57), (57, 76), (25, 56), (25, 30), (26, 40), (26, 56), (30, 80)] adding cut for [(3, 58), (6, 85), (6, 61), (39, 45), (43, 44), (45, 87), (46, 84), (15, 39), (15, 43), (16, 44), (16, 58), (18, 46), (18, 87), (84, 85)] adding cut for [(99, 101), (38, 99), (38, 60), (60, 93), (17, 92), (17, 62), (94, 100), (86, 94), (92, 101), (62, 86)] adding cut for [(8, 49), (11, 89), (11, 63), (12, 20), (12, 63), (48, 49), (20, 48)] Optimize a model with 376 rows, 5050 columns and 74351 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 375 rows, 5050 columns, 74246 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215551e+03, 359 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.55104 0 121 3924.00000 1215.55104 69.0% - 0s Another try with MIP start H 0 0 1238.0000000 1215.55104 1.81% - 0s H 0 0 1233.0000000 1215.55104 1.42% - 0s 0 0 1216.27733 0 125 1233.00000 1216.27733 1.36% - 0s 0 0 1216.27733 0 121 1233.00000 1216.27733 1.36% - 1s 0 0 1216.53887 0 128 1233.00000 1216.53887 1.34% - 1s 0 0 1216.54433 0 129 1233.00000 1216.54433 1.33% - 1s 0 0 1216.54433 0 130 1233.00000 1216.54433 1.33% - 1s 0 0 1216.54833 0 136 1233.00000 1216.54833 1.33% - 1s 0 0 1216.72663 0 129 1233.00000 1216.72663 1.32% - 1s 0 0 1216.72663 0 131 1233.00000 1216.72663 1.32% - 1s 0 0 1216.74196 0 128 1233.00000 1216.74196 1.32% - 2s 0 0 1216.74755 0 131 1233.00000 1216.74755 1.32% - 2s 0 0 1216.74755 0 132 1233.00000 1216.74755 1.32% - 2s 0 0 1216.77744 0 135 1233.00000 1216.77744 1.32% - 2s 0 0 1216.77744 0 136 1233.00000 1216.77744 1.32% - 2s 0 0 1216.79935 0 136 1233.00000 1216.79935 1.31% - 2s 0 0 1216.81868 0 134 1233.00000 1216.81868 1.31% - 2s 0 0 1216.81868 0 136 1233.00000 1216.81868 1.31% - 2s 0 0 1216.84625 0 139 1233.00000 1216.84625 1.31% - 2s 0 0 1216.84690 0 138 1233.00000 1216.84690 1.31% - 2s 0 0 1216.85345 0 138 1233.00000 1216.85345 1.31% - 2s 0 0 1216.85716 0 139 1233.00000 1216.85716 1.31% - 2s 0 0 1216.87074 0 141 1233.00000 1216.87074 1.31% - 2s 0 0 1216.88883 0 134 1233.00000 1216.88883 1.31% - 2s 0 0 1216.90066 0 132 1233.00000 1216.90066 1.31% - 2s 0 0 1216.92261 0 137 1233.00000 1216.92261 1.30% - 2s 0 0 1216.93401 0 141 1233.00000 1216.93401 1.30% - 2s 0 0 1216.94152 0 142 1233.00000 1216.94152 1.30% - 2s 0 0 1216.94871 0 139 1233.00000 1216.94871 1.30% - 2s 0 0 1216.95913 0 139 1233.00000 1216.95913 1.30% - 2s 0 0 1216.97408 0 136 1233.00000 1216.97408 1.30% - 2s 0 0 1217.05407 0 143 1233.00000 1217.05407 1.29% - 2s 0 0 1217.05954 0 148 1233.00000 1217.05954 1.29% - 2s 0 0 1217.06115 0 144 1233.00000 1217.06115 1.29% - 3s 0 0 1217.07016 0 144 1233.00000 1217.07016 1.29% - 3s 0 0 1217.07871 0 145 1233.00000 1217.07871 1.29% - 3s 0 0 1217.07921 0 145 1233.00000 1217.07921 1.29% - 3s 0 0 1217.08583 0 145 1233.00000 1217.08583 1.29% - 3s 0 0 1217.08583 0 144 1233.00000 1217.08583 1.29% - 3s 0 2 1217.08737 0 144 1233.00000 1217.08737 1.29% - 3s * 99 91 60 1231.0000000 1217.40442 1.10% 34.9 3s * 147 108 34 1228.0000000 1217.41151 0.86% 32.8 3s 601 420 1220.78345 9 125 1228.00000 1218.47199 0.78% 27.2 5s 1390 688 cutoff 48 1228.00000 1219.61554 0.68% 28.3 10s * 2043 843 47 1227.0000000 1219.98223 0.57% 27.7 11s * 3051 1185 31 1226.0000000 1220.65337 0.44% 27.4 14s 3126 1203 1224.83721 28 90 1226.00000 1220.68263 0.43% 27.3 15s 4844 1764 1223.07836 29 95 1226.00000 1221.27832 0.39% 27.1 20s 6505 2144 1223.32890 26 105 1226.00000 1221.67232 0.35% 27.0 25s 8275 2489 1224.14504 32 102 1226.00000 1221.93304 0.33% 26.7 30s * 9924 2024 37 1225.0000000 1222.14531 0.23% 26.4 34s 10166 1999 1223.42500 30 116 1225.00000 1222.18970 0.23% 26.3 35s 12723 1606 1223.96734 23 102 1225.00000 1222.77511 0.18% 25.6 40s 15432 548 cutoff 38 1225.00000 1223.57020 0.12% 24.5 45s Cutting planes: Gomory: 7 MIR: 8 Zero half: 19 Mod-K: 1 Explored 16068 nodes (384849 simplex iterations) in 45.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (11, 63), (11, 89), (12, 20), (12, 63), (18, 46), (18, 85), (20, 49), (25, 30), (25, 81), (30, 79), (32, 89), (33, 67), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (47, 48), (49, 83), (50, 65), (64, 65), (64, 91), (66, 72), (67, 72), (69, 81), (83, 84), (84, 85)] adding cut for [(15, 39), (15, 43), (16, 44), (16, 58), (17, 87), (17, 92), (23, 42), (23, 75), (24, 57), (24, 68), (26, 40), (26, 56), (38, 93), (38, 101), (39, 45), (40, 68), (42, 58), (43, 44), (45, 87), (55, 56), (57, 76), (75, 76), (92, 101), (93, 98)] adding cut for [(6, 62), (6, 61), (62, 86), (86, 99), (60, 100), (60, 94), (94, 99)] Optimize a model with 379 rows, 5050 columns and 75144 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.07s Presolved: 378 rows, 5050 columns, 75039 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215551e+03, 337 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.55104 0 123 3924.00000 1215.55104 69.0% - 0s Another try with MIP start H 0 0 1232.0000000 1215.55104 1.34% - 0s 0 0 1216.27733 0 127 1232.00000 1216.27733 1.28% - 1s 0 0 1216.27733 0 119 1232.00000 1216.27733 1.28% - 1s 0 0 1216.53887 0 129 1232.00000 1216.53887 1.25% - 1s 0 0 1216.54435 0 129 1232.00000 1216.54435 1.25% - 1s 0 0 1216.54435 0 130 1232.00000 1216.54435 1.25% - 1s 0 0 1216.54523 0 134 1232.00000 1216.54523 1.25% - 1s 0 0 1216.57168 0 132 1232.00000 1216.57168 1.25% - 1s 0 0 1216.57168 0 133 1232.00000 1216.57168 1.25% - 1s 0 0 1216.58570 0 135 1232.00000 1216.58570 1.25% - 2s 0 0 1216.58570 0 136 1232.00000 1216.58570 1.25% - 2s 0 0 1216.60008 0 132 1232.00000 1216.60008 1.25% - 2s 0 0 1216.60008 0 134 1232.00000 1216.60008 1.25% - 2s 0 0 1216.60386 0 133 1232.00000 1216.60386 1.25% - 2s 0 0 1216.61473 0 138 1232.00000 1216.61473 1.25% - 2s 0 0 1216.62772 0 138 1232.00000 1216.62772 1.25% - 2s 0 0 1216.63327 0 140 1232.00000 1216.63327 1.25% - 2s 0 0 1216.63685 0 141 1232.00000 1216.63685 1.25% - 2s 0 0 1216.63685 0 142 1232.00000 1216.63685 1.25% - 2s 0 2 1216.63909 0 142 1232.00000 1216.63909 1.25% - 2s * 451 351 85 1230.0000000 1217.80386 0.99% 20.3 3s 605 473 1222.12983 13 132 1230.00000 1217.83229 0.99% 20.5 5s * 869 563 50 1229.0000000 1218.16927 0.88% 24.2 7s * 1019 594 43 1228.0000000 1218.30468 0.79% 25.6 8s 1598 775 1220.02863 14 124 1228.00000 1219.43354 0.70% 25.8 10s H 2352 1016 1227.0000000 1219.94318 0.58% 25.4 12s 2679 1163 1220.49035 28 116 1227.00000 1220.02073 0.57% 26.3 15s * 2743 1115 55 1226.0000000 1220.02073 0.49% 26.4 15s 4439 1258 1223.26576 33 109 1226.00000 1221.00020 0.41% 26.5 20s * 6076 1036 44 1225.0000000 1221.65732 0.27% 26.0 23s 6596 1066 1223.74065 34 95 1225.00000 1221.93060 0.25% 25.9 25s 8540 849 cutoff 43 1225.00000 1222.74031 0.18% 25.4 30s Cutting planes: Gomory: 4 Zero half: 13 Explored 10309 nodes (247444 simplex iterations) in 32.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (9, 47), (9, 84), (15, 39), (15, 45), (17, 62), (17, 87), (18, 46), (18, 85), (33, 67), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (38, 93), (38, 99), (39, 87), (45, 92), (46, 84), (47, 48), (50, 65), (62, 85), (64, 65), (64, 91), (66, 72), (67, 72), (77, 78), (79, 80), (92, 101), (99, 101)] adding cut for [(69, 81), (40, 68), (73, 75), (42, 76), (25, 56), (25, 30), (22, 73), (23, 42), (23, 75), (24, 68), (24, 57), (57, 76), (26, 40), (26, 56), (30, 69)] adding cut for [(11, 32), (11, 63), (12, 20), (12, 63), (49, 83), (20, 49)] adding cut for [(6, 100), (6, 61), (86, 94), (60, 86), (94, 100)] Optimize a model with 383 rows, 5050 columns and 75861 nonzeros Presolve time: 0.07s Presolved: 383 rows, 5050 columns, 75861 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215551e+03, 371 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.55104 0 121 3924.00000 1215.55104 69.0% - 0s Another try with MIP start H 0 0 1232.0000000 1215.55104 1.34% - 0s 0 0 1216.27733 0 127 1232.00000 1216.27733 1.28% - 0s 0 0 1216.27733 0 122 1232.00000 1216.27733 1.28% - 1s 0 0 1216.53887 0 129 1232.00000 1216.53887 1.25% - 1s 0 0 1216.54433 0 128 1232.00000 1216.54433 1.25% - 1s 0 0 1216.54433 0 129 1232.00000 1216.54433 1.25% - 1s 0 0 1216.54584 0 133 1232.00000 1216.54584 1.25% - 1s 0 0 1216.54584 0 133 1232.00000 1216.54584 1.25% - 1s 0 0 1216.54584 0 132 1232.00000 1216.54584 1.25% - 1s 0 2 1216.55311 0 132 1232.00000 1216.55311 1.25% - 1s 612 512 1220.93719 14 135 1232.00000 1217.88446 1.15% 22.2 5s * 876 540 48 1227.0000000 1218.21469 0.72% 26.8 7s 1079 621 1223.16279 34 110 1227.00000 1218.64490 0.68% 28.7 10s * 1825 715 40 1226.0000000 1220.00603 0.49% 29.6 12s 2721 749 1223.61484 34 101 1226.00000 1220.92070 0.41% 28.8 15s * 3313 728 54 1225.0000000 1221.22535 0.31% 28.1 16s 4789 791 1223.25087 37 100 1225.00000 1221.98557 0.25% 27.2 20s 7039 501 1223.33846 35 105 1225.00000 1222.88994 0.17% 25.8 25s Cutting planes: Gomory: 4 Zero half: 11 Mod-K: 1 Explored 8070 nodes (200105 simplex iterations) in 26.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(6, 61), (6, 85), (9, 47), (9, 84), (15, 39), (15, 43), (16, 44), (16, 58), (17, 87), (17, 92), (18, 46), (18, 62), (23, 42), (23, 76), (39, 45), (42, 58), (43, 44), (45, 87), (46, 47), (62, 86), (74, 75), (75, 76), (84, 85), (86, 101), (92, 101)] adding cut for [(10, 52), (10, 72), (12, 64), (12, 65), (20, 48), (20, 49), (21, 52), (21, 67), (25, 30), (25, 55), (30, 79), (33, 67), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (49, 83), (50, 65), (55, 81), (64, 91), (66, 72), (69, 81)] adding cut for [(5, 22), (5, 56), (40, 68), (24, 68), (24, 57), (22, 73), (57, 73), (26, 40), (26, 56)] Optimize a model with 386 rows, 5050 columns and 76522 nonzeros Presolve time: 0.07s Presolved: 386 rows, 5050 columns, 76522 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215561e+03, 360 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56085 0 119 3924.00000 1215.56085 69.0% - 0s Another try with MIP start H 0 0 1232.0000000 1215.56085 1.33% - 0s 0 0 1216.27744 0 127 1232.00000 1216.27744 1.28% - 0s 0 0 1216.27744 0 119 1232.00000 1216.27744 1.28% - 1s 0 0 1216.43451 0 122 1232.00000 1216.43451 1.26% - 1s 0 0 1216.46914 0 122 1232.00000 1216.46914 1.26% - 1s 0 0 1216.52392 0 128 1232.00000 1216.52392 1.26% - 1s 0 0 1216.52392 0 132 1232.00000 1216.52392 1.26% - 1s 0 0 1216.75191 0 135 1232.00000 1216.75191 1.24% - 1s 0 0 1216.75191 0 140 1232.00000 1216.75191 1.24% - 1s 0 0 1216.78659 0 140 1232.00000 1216.78659 1.23% - 1s 0 0 1216.78712 0 141 1232.00000 1216.78712 1.23% - 1s 0 0 1216.79368 0 141 1232.00000 1216.79368 1.23% - 1s 0 0 1216.79368 0 142 1232.00000 1216.79368 1.23% - 1s 0 0 1216.79830 0 141 1232.00000 1216.79830 1.23% - 2s 0 0 1216.79830 0 142 1232.00000 1216.79830 1.23% - 2s 0 2 1216.79847 0 142 1232.00000 1216.79847 1.23% - 2s 607 517 1225.44005 37 138 1232.00000 1217.77303 1.15% 22.1 5s * 1097 680 73 1229.0000000 1218.26648 0.87% 26.8 7s 1216 719 1218.41974 25 127 1229.00000 1218.41974 0.86% 27.5 10s * 1414 736 82 1228.0000000 1218.41974 0.78% 28.7 10s * 1588 679 45 1225.0000000 1218.42909 0.54% 29.3 11s 2184 823 cutoff 56 1225.00000 1219.50969 0.45% 29.9 15s 4351 682 1221.90922 43 115 1225.00000 1221.37302 0.30% 27.7 20s 6393 553 1223.78204 48 117 1225.00000 1222.45120 0.21% 26.5 25s Cutting planes: Gomory: 5 Zero half: 7 Mod-K: 1 Explored 7586 nodes (190080 simplex iterations) in 26.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(11, 32), (11, 91), (15, 39), (15, 44), (16, 44), (16, 58), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 80), (33, 91), (35, 36), (35, 79), (36, 72), (39, 45), (40, 68), (42, 58), (45, 92), (57, 76), (60, 94), (60, 100), (66, 67), (66, 72), (79, 80), (86, 92), (86, 94)] adding cut for [(64, 65), (37, 50), (37, 48), (6, 85), (6, 62), (9, 46), (9, 47), (12, 64), (12, 20), (50, 65), (47, 48), (17, 87), (17, 62), (18, 46), (18, 87), (84, 85), (20, 63), (61, 84), (63, 89)] Optimize a model with 388 rows, 5050 columns and 77273 nonzeros Presolve time: 0.07s Presolved: 388 rows, 5050 columns, 77273 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215561e+03, 361 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56085 0 119 3924.00000 1215.56085 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1215.56085 1.49% - 0s 0 0 1216.27744 0 127 1234.00000 1216.27744 1.44% - 0s 0 0 1216.27744 0 120 1234.00000 1216.27744 1.44% - 0s 0 0 1216.43451 0 122 1234.00000 1216.43451 1.42% - 1s 0 0 1216.46914 0 122 1234.00000 1216.46914 1.42% - 1s 0 0 1216.52392 0 128 1234.00000 1216.52392 1.42% - 1s 0 0 1216.52392 0 132 1234.00000 1216.52392 1.42% - 1s 0 0 1216.75198 0 135 1234.00000 1216.75198 1.40% - 1s 0 0 1216.75198 0 141 1234.00000 1216.75198 1.40% - 1s 0 0 1216.78876 0 138 1234.00000 1216.78876 1.39% - 1s 0 0 1216.78876 0 139 1234.00000 1216.78876 1.39% - 1s 0 0 1216.79669 0 142 1234.00000 1216.79669 1.39% - 2s 0 0 1216.79669 0 143 1234.00000 1216.79669 1.39% - 2s 0 0 1216.81087 0 137 1234.00000 1216.81087 1.39% - 2s 0 0 1216.81159 0 138 1234.00000 1216.81159 1.39% - 2s 0 0 1216.81665 0 141 1234.00000 1216.81665 1.39% - 2s 0 2 1216.82391 0 141 1234.00000 1216.82391 1.39% - 2s * 398 324 48 1232.0000000 1217.66080 1.16% 22.6 3s 605 495 1228.33621 35 137 1232.00000 1217.79517 1.15% 23.1 5s * 703 528 57 1231.0000000 1217.79517 1.07% 25.8 6s * 995 633 61 1230.0000000 1217.96691 0.98% 26.8 7s * 1251 653 30 1229.0000000 1218.64418 0.84% 27.3 8s 1407 721 1227.25000 55 141 1229.00000 1218.94092 0.82% 26.8 10s * 1580 728 51 1226.0000000 1218.94092 0.58% 28.2 11s 2242 915 1220.51471 44 114 1226.00000 1219.41643 0.54% 29.4 15s 4373 1198 1222.03562 41 124 1226.00000 1221.08982 0.40% 27.8 20s * 5812 1263 54 1225.0000000 1221.64060 0.27% 27.2 23s 6431 1258 1223.03915 50 114 1225.00000 1221.88426 0.25% 27.0 25s 8696 965 1223.64655 49 93 1225.00000 1222.71721 0.19% 25.9 30s Cutting planes: Gomory: 5 Zero half: 13 Explored 10491 nodes (256952 simplex iterations) in 32.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.225000000000e+03, best bound 1.225000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (4, 34), (4, 80), (15, 44), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 80), (34, 51), (39, 45), (39, 87), (40, 68), (55, 56), (57, 76), (62, 94), (75, 76), (94, 100)] adding cut for [(6, 61), (6, 85), (9, 47), (9, 84), (10, 52), (10, 82), (18, 46), (18, 85), (21, 33), (21, 67), (31, 52), (31, 71), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (46, 84), (50, 65), (64, 65), (64, 91), (66, 67), (66, 72), (79, 82)] adding cut for [(32, 89), (11, 12), (11, 63), (12, 20), (48, 49), (49, 83), (20, 48), (63, 89)] adding cut for [(38, 99), (38, 93), (60, 93), (43, 101), (43, 88), (86, 99), (86, 92), (92, 101)] Optimize a model with 392 rows, 5050 columns and 78076 nonzeros Presolve time: 0.08s Presolved: 392 rows, 5050 columns, 78076 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215561e+03, 359 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56085 0 119 3924.00000 1215.56085 69.0% - 0s Another try with MIP start H 0 0 1235.0000000 1215.56085 1.57% - 0s H 0 0 1234.0000000 1215.56085 1.49% - 0s 0 0 1216.27744 0 127 1234.00000 1216.27744 1.44% - 1s 0 0 1216.27744 0 118 1234.00000 1216.27744 1.44% - 1s 0 0 1216.43451 0 123 1234.00000 1216.43451 1.42% - 1s 0 0 1216.46914 0 124 1234.00000 1216.46914 1.42% - 1s 0 0 1216.52973 0 132 1234.00000 1216.52973 1.42% - 1s 0 0 1216.52973 0 132 1234.00000 1216.52973 1.42% - 1s 0 0 1216.55676 0 134 1234.00000 1216.55676 1.41% - 1s 0 0 1216.74653 0 137 1234.00000 1216.74653 1.40% - 1s 0 0 1216.75504 0 141 1234.00000 1216.75504 1.40% - 2s 0 0 1216.76458 0 139 1234.00000 1216.76458 1.40% - 2s 0 0 1216.79450 0 138 1234.00000 1216.79450 1.39% - 2s 0 0 1216.79744 0 140 1234.00000 1216.79744 1.39% - 2s 0 0 1216.79744 0 141 1234.00000 1216.79744 1.39% - 2s 0 2 1216.81480 0 140 1234.00000 1216.81480 1.39% - 2s * 275 235 59 1233.0000000 1217.68905 1.24% 21.2 2s H 319 255 1232.0000000 1217.73304 1.16% 22.4 3s * 371 275 49 1231.0000000 1217.73304 1.08% 22.1 3s * 383 262 55 1230.0000000 1217.73304 1.00% 21.6 3s * 521 250 30 1227.0000000 1217.83876 0.75% 22.3 3s 708 369 1218.67001 6 133 1227.00000 1218.29802 0.71% 23.4 5s 1794 701 1223.78049 24 97 1227.00000 1219.91989 0.58% 27.8 10s * 1854 643 39 1226.0000000 1219.93721 0.49% 27.8 10s 3586 1340 1224.48645 19 122 1226.00000 1220.94138 0.41% 27.6 15s 5457 1974 1224.50976 21 100 1226.00000 1221.55518 0.36% 26.7 20s 7411 2449 1224.74373 28 105 1226.00000 1221.98434 0.33% 26.1 25s 9775 2921 1224.57129 25 108 1226.00000 1222.30714 0.30% 25.4 30s 12382 3294 1223.86847 18 105 1226.00000 1222.60339 0.28% 24.9 35s 15105 3514 1224.03431 30 102 1226.00000 1222.84695 0.26% 24.5 40s 18025 3610 1223.46736 26 111 1226.00000 1223.09846 0.24% 24.1 45s 21004 3581 cutoff 23 1226.00000 1223.33087 0.22% 23.7 50s 24099 3351 cutoff 29 1226.00000 1223.54268 0.20% 23.3 55s 27011 2921 cutoff 26 1226.00000 1223.74302 0.18% 22.9 60s 30971 1951 1224.72917 25 108 1226.00000 1224.05263 0.16% 22.2 65s Cutting planes: Gomory: 3 MIR: 2 Zero half: 12 Mod-K: 1 Explored 34747 nodes (740824 simplex iterations) in 69.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(6, 61), (6, 85), (9, 46), (9, 84), (10, 35), (10, 72), (12, 64), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 92), (18, 46), (18, 62), (20, 48), (20, 49), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (33, 67), (33, 91), (35, 79), (36, 66), (36, 72), (37, 47), (37, 50), (39, 87), (40, 68), (42, 58), (43, 44), (45, 87), (45, 92), (47, 48), (49, 83), (50, 65), (57, 76), (64, 91), (66, 67), (75, 76), (84, 85)] adding cut for [(38, 99), (38, 101), (86, 101), (86, 94), (88, 98), (60, 100), (93, 98), (93, 99), (94, 100)] adding cut for [(34, 82), (34, 52), (4, 78), (4, 80), (80, 82), (21, 52), (21, 31), (31, 71)] Optimize a model with 395 rows, 5050 columns and 79333 nonzeros Presolve time: 0.08s Presolved: 395 rows, 5050 columns, 79333 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 414 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 127 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1231.0000000 1215.56259 1.25% - 0s 0 0 1216.36639 0 122 1231.00000 1216.36639 1.19% - 0s 0 0 1216.36639 0 121 1231.00000 1216.36639 1.19% - 1s 0 0 1216.40798 0 129 1231.00000 1216.40798 1.19% - 1s 0 0 1216.70818 0 132 1231.00000 1216.70818 1.16% - 1s 0 0 1216.90820 0 130 1231.00000 1216.90820 1.14% - 1s 0 0 1216.90820 0 131 1231.00000 1216.90820 1.14% - 1s 0 0 1216.92613 0 131 1231.00000 1216.92613 1.14% - 1s 0 0 1216.99467 0 133 1231.00000 1216.99467 1.14% - 1s 0 0 1217.11676 0 138 1231.00000 1217.11676 1.13% - 1s 0 0 1217.13717 0 142 1231.00000 1217.13717 1.13% - 1s 0 0 1217.14722 0 143 1231.00000 1217.14722 1.13% - 1s 0 0 1217.15030 0 143 1231.00000 1217.15030 1.13% - 2s 0 0 1217.15030 0 144 1231.00000 1217.15030 1.13% - 2s 0 2 1217.16454 0 144 1231.00000 1217.16454 1.12% - 2s * 98 84 61 1229.0000000 1217.39046 0.94% 28.7 2s * 581 387 23 1228.0000000 1218.78371 0.75% 23.9 3s 710 485 1227.00000 18 135 1228.00000 1218.92480 0.74% 24.0 5s 2253 999 1221.29502 21 128 1228.00000 1220.52704 0.61% 26.0 10s * 2676 1075 43 1227.0000000 1220.72537 0.51% 26.0 10s 4167 1647 1224.65574 26 100 1227.00000 1221.55599 0.44% 26.0 15s 6026 2221 1225.27686 28 90 1227.00000 1222.08242 0.40% 25.8 20s H 7178 1949 1226.0000000 1222.31250 0.30% 25.7 23s 7999 1992 cutoff 28 1226.00000 1222.53846 0.28% 25.5 25s 9836 2002 1224.10773 30 90 1226.00000 1222.94608 0.25% 25.1 30s 12372 1731 1224.61372 29 100 1226.00000 1223.46739 0.21% 24.5 35s 15093 1074 1224.06821 29 106 1226.00000 1224.02398 0.16% 23.8 40s Cutting planes: Gomory: 9 Zero half: 6 Explored 16949 nodes (386261 simplex iterations) in 42.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(3, 42), (18, 46), (18, 85), (21, 31), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (31, 33), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (40, 68), (46, 47), (50, 65), (55, 56), (57, 76), (62, 85), (62, 86), (64, 65), (64, 91), (66, 67), (66, 72), (86, 94), (94, 100)] adding cut for [(99, 101), (38, 99), (38, 60), (39, 45), (39, 87), (60, 93), (43, 44), (15, 43), (15, 45), (16, 44), (16, 58), (17, 87), (17, 92), (58, 88), (92, 101), (93, 98)] adding cut for [(6, 61), (9, 83), (9, 84), (11, 89), (11, 63), (12, 20), (12, 63), (48, 49), (49, 83), (20, 48), (61, 84)] Optimize a model with 398 rows, 5050 columns and 80130 nonzeros Presolve time: 0.08s Presolved: 398 rows, 5050 columns, 80130 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 356 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 124 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1236.0000000 1215.56259 1.65% - 0s H 0 0 1231.0000000 1215.56259 1.25% - 1s 0 0 1216.36639 0 124 1231.00000 1216.36639 1.19% - 1s 0 0 1216.36639 0 121 1231.00000 1216.36639 1.19% - 1s 0 0 1216.40798 0 129 1231.00000 1216.40798 1.19% - 1s 0 0 1216.70818 0 132 1231.00000 1216.70818 1.16% - 1s 0 0 1216.90820 0 130 1231.00000 1216.90820 1.14% - 1s 0 0 1216.90820 0 131 1231.00000 1216.90820 1.14% - 1s 0 0 1216.92613 0 131 1231.00000 1216.92613 1.14% - 1s 0 0 1216.99467 0 133 1231.00000 1216.99467 1.14% - 2s 0 0 1217.05076 0 133 1231.00000 1217.05076 1.13% - 2s 0 0 1217.12319 0 141 1231.00000 1217.12319 1.13% - 2s 0 0 1217.12818 0 138 1231.00000 1217.12818 1.13% - 2s 0 0 1217.12825 0 140 1231.00000 1217.12825 1.13% - 2s 0 0 1217.13141 0 142 1231.00000 1217.13141 1.13% - 2s 0 0 1217.13141 0 142 1231.00000 1217.13141 1.13% - 2s 0 2 1217.13272 0 142 1231.00000 1217.13272 1.13% - 2s * 88 77 57 1230.0000000 1217.62401 1.01% 24.6 2s 610 458 1225.33333 25 140 1230.00000 1218.13017 0.97% 22.0 5s H 1107 566 1228.0000000 1219.02423 0.73% 26.9 7s 1875 750 1224.58347 29 93 1228.00000 1220.12491 0.64% 25.8 10s * 2143 613 58 1226.0000000 1220.28901 0.47% 25.3 10s 3011 858 cutoff 47 1226.00000 1220.36566 0.46% 26.4 15s 4871 1081 1224.85714 40 86 1226.00000 1221.46512 0.37% 25.9 20s 6882 1469 1222.56436 35 113 1226.00000 1222.27303 0.30% 25.4 25s 9101 1696 cutoff 37 1226.00000 1222.77499 0.26% 24.9 30s 11572 1642 1223.46421 42 99 1226.00000 1223.28817 0.22% 24.2 35s 14707 1217 1224.53654 47 87 1226.00000 1223.90000 0.17% 23.2 40s Cutting planes: Gomory: 7 Zero half: 12 Explored 17158 nodes (379405 simplex iterations) in 43.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(6, 85), (6, 100), (12, 20), (12, 64), (15, 44), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (20, 65), (22, 73), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (33, 67), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 45), (39, 87), (40, 68), (42, 58), (46, 47), (47, 48), (50, 65), (55, 56), (57, 76), (62, 86), (64, 91), (66, 67), (66, 72), (73, 76), (74, 75), (86, 94), (94, 100)] adding cut for [(34, 82), (4, 34), (4, 80), (10, 82), (10, 52), (51, 80), (21, 52), (21, 31), (31, 71)] Optimize a model with 400 rows, 5050 columns and 81303 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.08s Presolved: 399 rows, 5050 columns, 81198 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 365 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 124 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1215.56259 1.49% - 0s 0 0 1216.36639 0 124 1234.00000 1216.36639 1.43% - 1s 0 0 1216.36639 0 122 1234.00000 1216.36639 1.43% - 1s 0 0 1216.37612 0 127 1234.00000 1216.37612 1.43% - 1s 0 0 1216.70885 0 133 1234.00000 1216.70885 1.40% - 1s 0 0 1216.96127 0 136 1234.00000 1216.96127 1.38% - 1s 0 0 1217.03685 0 134 1234.00000 1217.03685 1.37% - 1s 0 0 1217.09886 0 134 1234.00000 1217.09886 1.37% - 1s 0 0 1217.15193 0 139 1234.00000 1217.15193 1.37% - 1s 0 0 1217.16004 0 137 1234.00000 1217.16004 1.36% - 2s 0 0 1217.16283 0 139 1234.00000 1217.16283 1.36% - 2s 0 0 1217.17548 0 143 1234.00000 1217.17548 1.36% - 2s 0 0 1217.17683 0 141 1234.00000 1217.17683 1.36% - 2s 0 0 1217.18987 0 144 1234.00000 1217.18987 1.36% - 2s 0 0 1217.19105 0 145 1234.00000 1217.19105 1.36% - 2s 0 0 1217.19871 0 147 1234.00000 1217.19871 1.36% - 2s 0 0 1217.19871 0 148 1234.00000 1217.19871 1.36% - 2s 0 0 1217.20468 0 144 1234.00000 1217.20468 1.36% - 2s 0 0 1217.21002 0 145 1234.00000 1217.21002 1.36% - 2s 0 2 1217.21013 0 145 1234.00000 1217.21013 1.36% - 2s * 337 247 60 1231.0000000 1217.94221 1.06% 23.0 3s 604 476 1222.99876 34 134 1231.00000 1218.04517 1.05% 24.7 5s * 903 578 46 1230.0000000 1218.53532 0.93% 28.2 7s * 922 481 56 1227.0000000 1218.53532 0.69% 28.2 7s 1110 547 1225.63821 38 143 1227.00000 1219.27417 0.63% 28.5 10s 2412 834 1222.88928 39 114 1227.00000 1220.83256 0.50% 29.1 15s 4545 1650 1224.09486 53 110 1227.00000 1221.89212 0.42% 26.7 20s 6601 2329 1224.97740 41 118 1227.00000 1222.48662 0.37% 25.8 25s 8741 2940 1223.31062 46 113 1227.00000 1222.87109 0.34% 25.2 30s * 8840 2315 55 1226.0000000 1222.88736 0.25% 25.2 30s 10830 2142 1224.32623 44 110 1226.00000 1223.39827 0.21% 25.0 35s 13648 1431 1224.85417 42 100 1226.00000 1224.08877 0.16% 24.1 40s Cutting planes: Gomory: 4 MIR: 2 Zero half: 15 Explored 15695 nodes (356316 simplex iterations) in 42.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(15, 39), (15, 43), (16, 44), (16, 58), (21, 31), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (31, 71), (32, 71), (35, 36), (35, 79), (36, 72), (38, 93), (38, 101), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (55, 56), (57, 76), (60, 93), (66, 67), (66, 72), (73, 75), (73, 76), (92, 101)] adding cut for [(6, 100), (6, 85), (8, 83), (9, 46), (9, 83), (62, 86), (17, 62), (17, 87), (18, 46), (18, 87), (84, 85), (86, 99), (61, 84), (94, 99), (94, 100)] adding cut for [(64, 65), (64, 91), (33, 91), (37, 47), (37, 50), (11, 33), (12, 20), (12, 63), (47, 48), (48, 49), (50, 65), (20, 49), (63, 89)] Optimize a model with 403 rows, 5050 columns and 82144 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.08s Presolved: 402 rows, 5050 columns, 82039 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 379 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 125 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1230.0000000 1215.56259 1.17% - 0s 0 0 1216.36639 0 122 1230.00000 1216.36639 1.11% - 0s 0 0 1216.36639 0 122 1230.00000 1216.36639 1.11% - 1s 0 0 1216.40798 0 130 1230.00000 1216.40798 1.11% - 1s 0 0 1216.73358 0 131 1230.00000 1216.73358 1.08% - 1s 0 0 1216.93703 0 133 1230.00000 1216.93703 1.06% - 1s 0 0 1216.93703 0 134 1230.00000 1216.93703 1.06% - 1s 0 0 1216.94470 0 132 1230.00000 1216.94470 1.06% - 1s 0 0 1216.96384 0 137 1230.00000 1216.96384 1.06% - 1s 0 0 1216.96384 0 138 1230.00000 1216.96384 1.06% - 1s 0 0 1216.96692 0 138 1230.00000 1216.96692 1.06% - 1s 0 0 1216.96692 0 138 1230.00000 1216.96692 1.06% - 1s 0 2 1216.97318 0 138 1230.00000 1216.97318 1.06% - 1s H 600 444 1229.0000000 1218.26388 0.87% 24.5 3s 614 452 1220.88462 9 141 1229.00000 1218.26388 0.87% 24.0 5s * 796 497 58 1228.0000000 1218.26388 0.79% 26.4 7s H 1327 615 1227.0000000 1219.73282 0.59% 28.2 9s 1674 720 1222.48364 26 125 1227.00000 1220.08694 0.56% 27.7 10s 3412 1583 cutoff 43 1227.00000 1221.00699 0.49% 26.2 15s 5170 2306 1221.94344 22 122 1227.00000 1221.61501 0.44% 25.8 20s 7006 3015 1225.51357 37 101 1227.00000 1221.97915 0.41% 25.6 25s 9006 3596 1224.83949 26 108 1227.00000 1222.30318 0.38% 25.3 30s 10900 4089 1225.81028 33 100 1227.00000 1222.53960 0.36% 25.1 35s 13353 4641 1223.54550 26 124 1227.00000 1222.79338 0.34% 24.8 40s 15686 5139 1223.86547 31 112 1227.00000 1222.97143 0.33% 24.5 45s 18139 5639 1223.72541 26 109 1227.00000 1223.14953 0.31% 24.3 50s 20624 6023 1225.42845 30 106 1227.00000 1223.32036 0.30% 24.1 55s H21243 4525 1226.0000000 1223.37608 0.21% 24.1 56s 22481 4294 cutoff 37 1226.00000 1223.52662 0.20% 23.9 60s 25185 3640 1223.95880 30 101 1226.00000 1223.87078 0.17% 23.7 65s 28292 2458 1224.71041 31 98 1226.00000 1224.28326 0.14% 23.0 70s Cutting planes: Gomory: 6 MIR: 4 Zero half: 28 Explored 31537 nodes (684380 simplex iterations) in 73.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(5, 55), (5, 57), (9, 46), (9, 47), (12, 20), (12, 64), (15, 39), (15, 45), (17, 62), (17, 87), (18, 46), (18, 62), (20, 65), (21, 31), (21, 67), (23, 42), (23, 76), (24, 42), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 33), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (38, 99), (38, 101), (39, 87), (40, 68), (45, 92), (47, 49), (48, 49), (50, 65), (55, 81), (57, 76), (64, 91), (66, 67), (66, 72), (69, 78), (69, 81), (92, 101), (93, 99)] adding cut for [(6, 100), (6, 85), (84, 85), (86, 94), (60, 100), (60, 86), (61, 84)] Optimize a model with 405 rows, 5050 columns and 83348 nonzeros Presolve removed 1 rows and 0 columns Presolve time: 0.08s Presolved: 404 rows, 5050 columns, 83243 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 396 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 123 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1215.56259 1.49% - 0s 0 0 1216.36639 0 122 1234.00000 1216.36639 1.43% - 0s 0 0 1216.36639 0 122 1234.00000 1216.36639 1.43% - 1s 0 0 1216.37612 0 128 1234.00000 1216.37612 1.43% - 1s 0 0 1216.71279 0 130 1234.00000 1216.71279 1.40% - 1s 0 0 1216.89931 0 136 1234.00000 1216.89931 1.39% - 1s 0 0 1216.96874 0 132 1234.00000 1216.96874 1.38% - 1s 0 0 1216.97268 0 133 1234.00000 1216.97268 1.38% - 1s 0 0 1217.12329 0 135 1234.00000 1217.12329 1.37% - 1s 0 0 1217.15844 0 141 1234.00000 1217.15844 1.36% - 1s 0 0 1217.19336 0 142 1234.00000 1217.19336 1.36% - 1s 0 0 1217.20097 0 143 1234.00000 1217.20097 1.36% - 1s 0 0 1217.26081 0 142 1234.00000 1217.26081 1.36% - 1s 0 0 1217.26648 0 142 1234.00000 1217.26648 1.36% - 1s 0 0 1217.26648 0 142 1234.00000 1217.26648 1.36% - 1s 0 0 1217.26648 0 142 1234.00000 1217.26648 1.36% - 1s 0 2 1217.26797 0 142 1234.00000 1217.26797 1.36% - 1s * 322 284 76 1233.0000000 1217.75026 1.24% 21.2 2s H 600 487 1232.0000000 1218.13441 1.13% 24.2 4s 603 489 1229.41056 34 123 1232.00000 1218.13441 1.13% 24.1 5s * 712 513 65 1231.0000000 1218.13441 1.05% 26.3 7s * 774 517 49 1230.0000000 1218.13441 0.96% 26.8 7s * 1132 563 68 1228.0000000 1218.93254 0.74% 28.6 8s 1304 591 1226.00000 46 139 1228.00000 1219.78591 0.67% 28.2 10s * 1481 613 69 1227.0000000 1219.78591 0.59% 29.0 11s 2652 866 1224.27500 40 103 1227.00000 1220.75395 0.51% 28.5 15s 4456 1583 1222.01568 39 114 1227.00000 1221.58289 0.44% 26.7 20s 6399 2362 1224.92284 46 108 1227.00000 1222.13314 0.40% 25.8 25s 8307 2990 cutoff 44 1227.00000 1222.47896 0.37% 25.4 30s 10269 3533 cutoff 50 1227.00000 1222.77326 0.34% 25.0 35s *11449 2873 57 1226.0000000 1222.93784 0.25% 24.7 37s 12837 2805 1224.87998 45 109 1226.00000 1223.21309 0.23% 24.6 40s 15324 2511 cutoff 48 1226.00000 1223.68493 0.19% 24.1 45s 18027 1538 cutoff 48 1226.00000 1224.24378 0.14% 23.4 50s Cutting planes: Gomory: 7 Zero half: 8 Explored 20055 nodes (445718 simplex iterations) in 52.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (4, 78), (4, 80), (10, 52), (10, 82), (16, 44), (16, 58), (21, 31), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 52), (34, 80), (34, 82), (35, 36), (35, 79), (36, 66), (40, 68), (43, 44), (43, 88), (57, 76), (66, 72), (67, 72), (73, 75), (73, 76), (88, 98)] adding cut for [(38, 99), (38, 101), (17, 87), (17, 62), (9, 46), (9, 47), (39, 87), (45, 92), (47, 49), (49, 83), (18, 46), (18, 85), (15, 39), (15, 45), (92, 101), (93, 99), (62, 85)] adding cut for [(64, 65), (64, 91), (33, 91), (32, 89), (37, 48), (37, 50), (11, 33), (11, 71), (12, 20), (12, 63), (50, 65), (20, 48), (63, 89)] adding cut for [(6, 100), (6, 84), (86, 94), (60, 86), (61, 84), (94, 100)] Optimize a model with 409 rows, 5050 columns and 84208 nonzeros Presolve time: 0.08s Presolved: 409 rows, 5050 columns, 84208 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 396 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 125 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1233.0000000 1215.56259 1.41% - 0s 0 0 1216.36639 0 124 1233.00000 1216.36639 1.35% - 1s 0 0 1216.36639 0 122 1233.00000 1216.36639 1.35% - 1s 0 0 1216.37612 0 128 1233.00000 1216.37612 1.35% - 1s 0 0 1216.71279 0 130 1233.00000 1216.71279 1.32% - 1s 0 0 1216.89931 0 136 1233.00000 1216.89931 1.31% - 1s 0 0 1216.96874 0 132 1233.00000 1216.96874 1.30% - 1s 0 0 1216.97268 0 133 1233.00000 1216.97268 1.30% - 1s 0 0 1217.12329 0 136 1233.00000 1217.12329 1.29% - 1s 0 0 1217.15844 0 141 1233.00000 1217.15844 1.28% - 2s 0 0 1217.20637 0 136 1233.00000 1217.20637 1.28% - 2s 0 0 1217.21289 0 137 1233.00000 1217.21289 1.28% - 2s 0 0 1217.21738 0 137 1233.00000 1217.21738 1.28% - 2s 0 0 1217.22114 0 143 1233.00000 1217.22114 1.28% - 2s 0 2 1217.22196 0 143 1233.00000 1217.22196 1.28% - 2s 605 508 1229.68608 70 137 1233.00000 1218.04881 1.21% 23.3 5s H 891 587 1230.0000000 1218.40192 0.94% 27.8 7s * 935 546 57 1229.0000000 1218.40192 0.86% 27.4 7s 1110 633 1224.53942 28 142 1229.00000 1218.90166 0.82% 29.0 10s H 1358 683 1228.0000000 1218.90166 0.74% 30.6 11s * 1363 618 61 1227.0000000 1218.90166 0.66% 30.5 11s 2614 839 1223.18750 30 106 1227.00000 1221.19163 0.47% 28.9 15s 4492 1492 1225.61749 33 103 1227.00000 1222.05306 0.40% 27.1 20s * 5513 1417 47 1226.0000000 1222.34281 0.30% 26.6 22s 5701 1442 1224.57823 29 124 1226.00000 1222.40000 0.29% 26.4 25s 6942 1571 1224.52060 47 104 1226.00000 1222.40000 0.29% 26.9 30s 8779 1352 1224.02930 35 118 1226.00000 1222.40000 0.29% 26.4 35s 10796 977 1223.16984 41 109 1226.00000 1223.12254 0.23% 25.8 40s 13585 517 cutoff 43 1226.00000 1224.08084 0.16% 24.7 45s Cutting planes: Gomory: 8 MIR: 1 Zero half: 10 Explored 14384 nodes (347369 simplex iterations) in 46.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(4, 34), (4, 80), (6, 61), (6, 100), (15, 43), (15, 45), (16, 42), (16, 44), (17, 87), (17, 92), (18, 46), (18, 85), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 80), (34, 51), (38, 93), (38, 99), (39, 45), (39, 87), (40, 68), (43, 44), (46, 84), (55, 56), (57, 76), (60, 94), (60, 100), (61, 84), (62, 85), (62, 86), (86, 101), (92, 101), (94, 99)] adding cut for [(9, 47), (9, 83), (10, 52), (10, 82), (12, 64), (12, 65), (21, 33), (21, 67), (31, 52), (31, 71), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (50, 65), (64, 91), (66, 67), (66, 72), (79, 82)] adding cut for [(8, 49), (11, 89), (11, 63), (48, 49), (20, 48), (20, 63)] Optimize a model with 412 rows, 5050 columns and 85240 nonzeros Presolve time: 0.08s Presolved: 412 rows, 5050 columns, 85240 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 360 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 123 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1241.0000000 1215.56259 2.05% - 0s H 0 0 1234.0000000 1215.56259 1.49% - 0s 0 0 1216.36639 0 124 1234.00000 1216.36639 1.43% - 1s 0 0 1216.36639 0 124 1234.00000 1216.36639 1.43% - 1s 0 0 1216.37612 0 127 1234.00000 1216.37612 1.43% - 1s 0 0 1216.71279 0 130 1234.00000 1216.71279 1.40% - 1s 0 0 1216.89931 0 136 1234.00000 1216.89931 1.39% - 1s 0 0 1216.96954 0 130 1234.00000 1216.96954 1.38% - 1s 0 0 1217.04120 0 132 1234.00000 1217.04120 1.37% - 1s 0 0 1217.13690 0 138 1234.00000 1217.13690 1.37% - 2s 0 0 1217.13690 0 140 1234.00000 1217.13690 1.37% - 2s 0 0 1217.14075 0 140 1234.00000 1217.14075 1.37% - 2s 0 0 1217.14108 0 141 1234.00000 1217.14108 1.37% - 2s 0 0 1217.14875 0 144 1234.00000 1217.14875 1.37% - 2s 0 0 1217.19373 0 141 1234.00000 1217.19373 1.36% - 2s 0 0 1217.19851 0 140 1234.00000 1217.19851 1.36% - 2s 0 0 1217.19851 0 142 1234.00000 1217.19851 1.36% - 2s 0 0 1217.20050 0 143 1234.00000 1217.20050 1.36% - 2s 0 0 1217.20050 0 143 1234.00000 1217.20050 1.36% - 2s 0 2 1217.20372 0 143 1234.00000 1217.20372 1.36% - 2s * 88 76 54 1229.0000000 1217.30198 0.95% 30.7 2s H 600 376 1228.0000000 1218.43806 0.78% 25.5 4s 604 379 1218.43806 6 132 1228.00000 1218.43806 0.78% 25.3 5s * 1425 598 48 1227.0000000 1219.94620 0.57% 28.4 9s 1600 632 1222.16318 20 117 1227.00000 1220.28031 0.55% 28.4 10s 3125 1326 1225.84356 36 107 1227.00000 1221.19766 0.47% 27.5 15s 4829 2023 1222.75724 27 112 1227.00000 1221.69136 0.43% 26.6 20s 6598 2704 1225.54023 28 93 1227.00000 1222.09506 0.40% 25.8 25s 8188 3297 1224.51173 25 115 1227.00000 1222.34205 0.38% 25.4 30s 10201 3898 1223.62626 24 113 1227.00000 1222.57870 0.36% 25.0 35s H10393 3127 1226.0000000 1222.60825 0.28% 25.0 35s 12339 3338 1224.97561 27 102 1226.00000 1222.90397 0.25% 24.6 40s 14716 3476 1224.73995 36 94 1226.00000 1223.17916 0.23% 24.2 45s 17147 3417 cutoff 26 1226.00000 1223.43791 0.21% 23.8 50s 19599 3202 1224.19159 28 106 1226.00000 1223.67999 0.19% 23.3 55s 22200 2688 1224.36099 28 111 1226.00000 1223.95278 0.17% 22.8 60s 24691 1681 cutoff 32 1226.00000 1224.28603 0.14% 22.2 65s Cutting planes: Gomory: 7 MIR: 5 Zero half: 39 Explored 27033 nodes (577728 simplex iterations) in 67.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(4, 78), (4, 80), (10, 52), (10, 82), (15, 39), (15, 43), (16, 44), (16, 58), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 33), (31, 52), (34, 80), (34, 82), (35, 36), (35, 79), (36, 66), (38, 93), (38, 101), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (57, 76), (60, 93), (66, 72), (67, 72), (92, 101)] adding cut for [(6, 61), (6, 100), (9, 46), (9, 47), (11, 63), (11, 91), (12, 20), (12, 63), (17, 62), (17, 87), (18, 85), (18, 87), (20, 48), (37, 47), (37, 50), (46, 84), (48, 49), (49, 83), (50, 65), (62, 86), (64, 65), (64, 91), (84, 85), (86, 99), (94, 99), (94, 100)] adding cut for [(5, 22), (5, 55), (73, 75), (74, 75), (22, 73), (55, 81), (69, 81)] Optimize a model with 415 rows, 5050 columns and 86360 nonzeros Presolve time: 0.08s Presolved: 415 rows, 5050 columns, 86360 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 360 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 121 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1239.0000000 1215.56259 1.89% - 0s H 0 0 1234.0000000 1215.56259 1.49% - 0s 0 0 1216.36639 0 123 1234.00000 1216.36639 1.43% - 0s 0 0 1216.36639 0 123 1234.00000 1216.36639 1.43% - 1s 0 0 1216.37612 0 127 1234.00000 1216.37612 1.43% - 1s 0 0 1216.71279 0 130 1234.00000 1216.71279 1.40% - 1s 0 0 1216.89931 0 136 1234.00000 1216.89931 1.39% - 1s 0 0 1216.96874 0 132 1234.00000 1216.96874 1.38% - 1s 0 0 1216.97268 0 133 1234.00000 1216.97268 1.38% - 1s 0 0 1217.12329 0 135 1234.00000 1217.12329 1.37% - 1s 0 0 1217.15844 0 141 1234.00000 1217.15844 1.36% - 1s 0 0 1217.19336 0 142 1234.00000 1217.19336 1.36% - 2s 0 0 1217.20097 0 143 1234.00000 1217.20097 1.36% - 2s 0 0 1217.26081 0 142 1234.00000 1217.26081 1.36% - 2s 0 0 1217.26648 0 142 1234.00000 1217.26648 1.36% - 2s 0 0 1217.26648 0 143 1234.00000 1217.26648 1.36% - 2s 0 0 1217.26648 0 143 1234.00000 1217.26648 1.36% - 2s 0 2 1217.26790 0 143 1234.00000 1217.26790 1.36% - 2s * 564 423 67 1231.0000000 1217.98084 1.06% 25.1 3s 703 514 1220.48066 8 123 1231.00000 1218.14016 1.04% 25.3 5s * 1013 606 56 1230.0000000 1218.61248 0.93% 28.5 7s * 1454 687 39 1229.0000000 1219.19649 0.80% 28.4 9s 1649 763 1227.19424 41 99 1229.00000 1219.88965 0.74% 28.1 10s * 1920 739 55 1228.0000000 1220.28577 0.63% 27.8 10s 2559 924 1223.92666 33 130 1228.00000 1220.45609 0.61% 28.7 15s 4523 1435 1226.66667 50 80 1228.00000 1221.35996 0.54% 27.1 20s * 5621 1763 43 1227.0000000 1221.79974 0.42% 26.6 22s 6332 2024 1225.95604 39 101 1227.00000 1222.09000 0.40% 26.4 25s 8326 2579 1225.16667 40 84 1227.00000 1222.49653 0.37% 26.2 30s 10186 3147 1225.09981 35 116 1227.00000 1222.74821 0.35% 25.9 35s 12470 3721 1224.94352 31 113 1227.00000 1223.01792 0.32% 25.4 40s 14866 4222 1224.61752 36 108 1227.00000 1223.22093 0.31% 25.0 45s *15662 3044 40 1226.0000000 1223.30087 0.22% 25.0 46s 17459 2795 1224.02381 32 111 1226.00000 1223.60447 0.20% 24.7 50s 20128 2077 1224.44750 36 107 1226.00000 1224.04813 0.16% 24.2 55s Cutting planes: Gomory: 7 MIR: 1 Zero half: 10 Mod-K: 1 Explored 23467 nodes (536068 simplex iterations) in 59.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(4, 30), (4, 80), (9, 46), (9, 83), (15, 39), (15, 44), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 87), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (33, 67), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (38, 99), (38, 101), (39, 45), (40, 68), (42, 58), (43, 88), (43, 101), (45, 92), (47, 48), (48, 49), (49, 83), (50, 65), (55, 56), (57, 76), (60, 93), (60, 94), (62, 94), (64, 65), (64, 91), (66, 67), (66, 72), (75, 76), (79, 80), (86, 92), (86, 99), (93, 98)] adding cut for [(34, 82), (34, 51), (8, 89), (10, 82), (10, 52), (11, 12), (11, 31), (12, 20), (20, 63), (21, 31), (21, 52), (63, 89)] Optimize a model with 417 rows, 5050 columns and 87869 nonzeros Presolve time: 0.08s Presolved: 417 rows, 5050 columns, 87869 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215563e+03, 436 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.56259 0 124 3924.00000 1215.56259 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1215.56259 1.49% - 0s 0 0 1216.36639 0 124 1234.00000 1216.36639 1.43% - 0s 0 0 1216.36639 0 123 1234.00000 1216.36639 1.43% - 1s 0 0 1216.37612 0 127 1234.00000 1216.37612 1.43% - 1s 0 0 1216.71336 0 130 1234.00000 1216.71336 1.40% - 1s 0 0 1216.89968 0 135 1234.00000 1216.89968 1.39% - 1s 0 0 1216.97456 0 131 1234.00000 1216.97456 1.38% - 1s 0 0 1217.04725 0 132 1234.00000 1217.04725 1.37% - 1s 0 0 1217.10737 0 134 1234.00000 1217.10737 1.37% - 1s 0 0 1217.17456 0 139 1234.00000 1217.17456 1.36% - 2s 0 0 1217.17588 0 143 1234.00000 1217.17588 1.36% - 2s 0 0 1217.25385 0 143 1234.00000 1217.25385 1.36% - 2s 0 0 1217.25385 0 144 1234.00000 1217.25385 1.36% - 2s 0 0 1217.26440 0 145 1234.00000 1217.26440 1.36% - 2s 0 0 1217.26440 0 146 1234.00000 1217.26440 1.36% - 2s 0 0 1217.26667 0 145 1234.00000 1217.26667 1.36% - 2s 0 0 1217.26667 0 146 1234.00000 1217.26667 1.36% - 2s 0 2 1217.27483 0 146 1234.00000 1217.27483 1.36% - 2s * 113 93 70 1230.0000000 1217.68791 1.00% 28.2 3s 603 466 1219.40930 8 121 1230.00000 1218.43635 0.94% 25.1 5s H 776 536 1229.0000000 1218.43635 0.86% 27.8 7s H 1319 590 1227.0000000 1219.78403 0.59% 27.7 9s 1635 666 1223.87206 23 101 1227.00000 1220.37713 0.54% 27.8 10s 3261 1352 1222.90000 37 89 1227.00000 1221.32479 0.46% 26.6 15s 5019 2095 1225.41899 33 91 1227.00000 1221.84799 0.42% 25.9 20s 6775 2701 1225.59586 24 105 1227.00000 1222.20698 0.39% 25.5 25s 8651 3286 1224.34677 26 93 1227.00000 1222.49129 0.37% 24.9 30s 10578 3853 1223.68750 30 102 1227.00000 1222.73394 0.35% 24.5 35s 13031 4421 1224.13780 28 97 1227.00000 1222.99265 0.33% 24.2 40s 15396 4950 1225.63543 41 104 1227.00000 1223.19579 0.31% 23.9 45s 17859 5338 1224.56775 25 103 1227.00000 1223.38915 0.29% 23.6 50s 20114 5625 cutoff 25 1227.00000 1223.55040 0.28% 23.4 55s 22564 5877 1225.45455 30 98 1227.00000 1223.71622 0.27% 23.3 60s 25258 6058 1224.43187 25 116 1227.00000 1223.87345 0.25% 23.0 65s 28367 6155 cutoff 31 1227.00000 1224.02847 0.24% 22.7 70s *29947 3655 37 1226.0000000 1224.10629 0.15% 22.6 73s 30033 3621 1224.39676 24 115 1226.00000 1224.12212 0.15% 22.5 75s 33797 1346 1224.82048 36 101 1226.00000 1224.71194 0.11% 21.6 80s Cutting planes: Gomory: 7 MIR: 2 Zero half: 23 Explored 35256 nodes (738645 simplex iterations) in 81.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (10, 52), (10, 82), (12, 20), (12, 64), (15, 39), (15, 43), (16, 42), (16, 44), (17, 62), (17, 87), (18, 85), (18, 87), (20, 65), (21, 52), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 80), (31, 33), (31, 71), (33, 91), (34, 82), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 45), (40, 68), (43, 44), (45, 92), (46, 84), (47, 48), (50, 65), (57, 76), (62, 86), (64, 91), (66, 67), (66, 72), (79, 80), (84, 85), (86, 101), (92, 101)] Optimize a model with 418 rows, 5050 columns and 89195 nonzeros Presolve time: 0.08s Presolved: 418 rows, 5050 columns, 89195 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215627e+03, 365 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.62749 0 125 3924.00000 1215.62749 69.0% - 0s Another try with MIP start H 0 0 1237.0000000 1215.62749 1.73% - 0s H 0 0 1235.0000000 1215.62749 1.57% - 0s 0 0 1216.41484 0 126 1235.00000 1216.41484 1.50% - 0s 0 0 1216.41484 0 123 1235.00000 1216.41484 1.50% - 1s 0 0 1216.42944 0 127 1235.00000 1216.42944 1.50% - 1s 0 0 1216.84613 0 135 1235.00000 1216.84613 1.47% - 1s 0 0 1216.94619 0 140 1235.00000 1216.94619 1.46% - 1s 0 0 1216.94619 0 141 1235.00000 1216.94619 1.46% - 1s 0 0 1216.95664 0 137 1235.00000 1216.95664 1.46% - 1s 0 0 1217.07530 0 135 1235.00000 1217.07530 1.45% - 2s 0 0 1217.16293 0 141 1235.00000 1217.16293 1.44% - 2s 0 0 1217.16621 0 144 1235.00000 1217.16621 1.44% - 2s 0 0 1217.19478 0 137 1235.00000 1217.19478 1.44% - 2s 0 0 1217.19478 0 138 1235.00000 1217.19478 1.44% - 2s 0 0 1217.19527 0 143 1235.00000 1217.19527 1.44% - 2s 0 2 1217.19801 0 143 1235.00000 1217.19801 1.44% - 2s * 450 386 53 1234.0000000 1218.06991 1.29% 24.9 3s * 524 325 42 1230.0000000 1218.08720 0.97% 25.5 3s 701 441 1220.10401 11 126 1230.00000 1218.37267 0.95% 26.1 5s * 1330 620 55 1229.0000000 1219.61596 0.76% 28.8 8s 1654 719 1222.54247 25 114 1229.00000 1220.46987 0.69% 28.4 10s 3126 1508 1223.77021 26 107 1229.00000 1221.42943 0.62% 26.8 15s * 3371 1450 43 1228.0000000 1221.50833 0.53% 26.6 15s * 3479 1223 36 1227.0000000 1221.55832 0.44% 26.7 15s 4781 1677 cutoff 33 1227.00000 1222.02409 0.41% 26.3 20s 6456 2151 1225.09443 26 105 1227.00000 1222.49368 0.37% 25.9 25s 8419 2621 1222.96744 31 107 1227.00000 1222.84835 0.34% 25.4 30s 10198 2983 cutoff 39 1227.00000 1223.06417 0.32% 25.0 35s 12573 3378 1225.59996 39 96 1227.00000 1223.31404 0.30% 24.6 40s 15044 3701 1225.40989 37 111 1227.00000 1223.52096 0.28% 24.2 45s 17344 3913 1224.84382 30 91 1227.00000 1223.66552 0.27% 24.0 50s 19908 4117 1225.69318 34 82 1227.00000 1223.83398 0.26% 23.7 55s 22438 4178 1225.11032 29 117 1227.00000 1223.98011 0.25% 23.5 60s 25034 4221 1225.84269 32 99 1227.00000 1224.12877 0.23% 23.2 65s 27333 4093 cutoff 35 1227.00000 1224.25395 0.22% 23.0 70s 30510 3812 cutoff 29 1227.00000 1224.44072 0.21% 22.6 75s 33670 3316 1225.97886 36 114 1227.00000 1224.61582 0.19% 22.3 80s 36705 2690 1225.13873 41 104 1227.00000 1224.80670 0.18% 22.0 85s 39373 1861 cutoff 34 1227.00000 1225.03279 0.16% 21.7 90s *41630 0 28 1226.0000000 1226.00000 0.0% 21.4 93s Cutting planes: Gomory: 12 MIR: 6 Zero half: 12 Explored 41631 nodes (893411 simplex iterations) in 93.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226000000000e+03, best bound 1.226000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (5, 22), (5, 56), (15, 39), (15, 44), (16, 44), (16, 58), (17, 62), (17, 87), (22, 74), (23, 42), (23, 76), (24, 57), (24, 68), (26, 40), (26, 56), (39, 45), (40, 68), (45, 87), (57, 75), (60, 94), (60, 100), (62, 86), (73, 75), (73, 76), (86, 94)] adding cut for [(35, 36), (35, 79), (34, 82), (34, 51), (67, 72), (36, 66), (69, 81), (10, 82), (10, 52), (66, 72), (79, 80), (21, 67), (21, 52), (55, 81), (25, 55), (25, 30), (30, 80)] adding cut for [(64, 91), (33, 91), (37, 47), (37, 50), (12, 64), (12, 20), (47, 48), (48, 49), (49, 83), (50, 65), (20, 65), (31, 33), (31, 71)] Optimize a model with 421 rows, 5050 columns and 89817 nonzeros Presolve time: 0.08s Presolved: 421 rows, 5050 columns, 89817 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215627e+03, 376 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.62749 0 123 3924.00000 1215.62749 69.0% - 0s Another try with MIP start H 0 0 1236.0000000 1215.62749 1.65% - 0s H 0 0 1233.0000000 1215.62749 1.41% - 0s 0 0 1216.41484 0 123 1233.00000 1216.41484 1.35% - 1s 0 0 1216.41484 0 123 1233.00000 1216.41484 1.35% - 1s 0 0 1216.42944 0 124 1233.00000 1216.42944 1.34% - 1s 0 0 1216.60899 0 137 1233.00000 1216.60899 1.33% - 1s 0 0 1216.86739 0 136 1233.00000 1216.86739 1.31% - 1s 0 0 1216.92735 0 133 1233.00000 1216.92735 1.30% - 1s 0 0 1216.96298 0 135 1233.00000 1216.96298 1.30% - 1s 0 0 1216.97589 0 140 1233.00000 1216.97589 1.30% - 2s 0 0 1217.10535 0 138 1233.00000 1217.10535 1.29% - 2s 0 0 1217.10535 0 139 1233.00000 1217.10535 1.29% - 2s 0 0 1217.12267 0 143 1233.00000 1217.12267 1.29% - 2s 0 0 1217.12267 0 144 1233.00000 1217.12267 1.29% - 2s 0 0 1217.12530 0 138 1233.00000 1217.12530 1.29% - 2s 0 0 1217.12615 0 140 1233.00000 1217.12615 1.29% - 2s 0 2 1217.14169 0 140 1233.00000 1217.14169 1.29% - 2s 603 524 1229.71429 57 125 1233.00000 1218.28299 1.19% 25.7 5s * 726 548 70 1230.0000000 1218.28299 0.95% 27.3 7s * 1238 676 33 1229.0000000 1219.58339 0.77% 28.3 9s 1308 715 1226.81337 35 108 1229.00000 1219.60675 0.76% 28.7 10s * 1385 654 38 1228.0000000 1219.80627 0.67% 28.7 10s 1883 851 1226.47536 50 83 1228.00000 1219.95924 0.65% 29.5 15s H 2790 945 1227.0000000 1220.66068 0.52% 29.0 18s 3491 986 1223.48745 35 117 1227.00000 1221.25944 0.47% 28.6 20s 5468 1705 1222.18576 33 121 1227.00000 1221.98247 0.41% 27.5 25s 7384 2237 1223.23034 37 110 1227.00000 1222.49578 0.37% 26.8 30s 8962 2571 1224.94032 40 116 1227.00000 1222.76519 0.35% 26.5 35s 11045 2855 1224.34805 36 114 1227.00000 1223.09637 0.32% 26.1 40s 13405 3068 1223.97378 37 115 1227.00000 1223.39370 0.29% 25.7 45s 15782 3244 1225.68182 46 89 1227.00000 1223.62934 0.27% 25.3 50s 18405 3320 cutoff 41 1227.00000 1223.88098 0.25% 24.9 55s 21129 3204 1225.55599 45 117 1227.00000 1224.13560 0.23% 24.5 60s 23626 2967 1225.94610 43 98 1227.00000 1224.38372 0.21% 24.1 65s 26578 2520 1225.79643 42 99 1227.00000 1224.66424 0.19% 23.7 70s 29669 1628 1225.31351 37 107 1227.00000 1225.03359 0.16% 23.2 75s Cutting planes: Gomory: 6 Zero half: 10 Mod-K: 1 Explored 32528 nodes (727503 simplex iterations) in 78.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.227000000000e+03, best bound 1.227000000000e+03, gap 0.0% adding cut for [(5, 26), (5, 55), (11, 31), (11, 33), (12, 20), (12, 63), (20, 48), (21, 31), (21, 67), (25, 30), (25, 56), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 66), (37, 47), (37, 50), (47, 48), (50, 65), (55, 81), (63, 89), (64, 65), (64, 91), (66, 72), (67, 72), (69, 78), (69, 81)] adding cut for [(3, 58), (38, 101), (38, 99), (39, 45), (43, 101), (43, 88), (45, 87), (15, 39), (15, 44), (16, 44), (16, 58), (17, 87), (17, 92), (86, 99), (86, 92)] adding cut for [(8, 49), (9, 46), (9, 83), (49, 83), (18, 46), (18, 62), (94, 100), (60, 100), (60, 93), (62, 94)] adding cut for [(40, 68), (40, 57), (75, 76), (23, 42), (23, 75), (24, 68), (24, 42), (57, 76)] Optimize a model with 425 rows, 5050 columns and 90455 nonzeros Presolve time: 0.08s Presolved: 425 rows, 5050 columns, 90455 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215965e+03, 370 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.96472 0 125 3924.00000 1215.96472 69.0% - 0s Another try with MIP start H 0 0 1235.0000000 1215.96472 1.54% - 0s 0 0 1216.78829 0 132 1235.00000 1216.78829 1.47% - 1s 0 0 1216.78829 0 123 1235.00000 1216.78829 1.47% - 1s 0 0 1216.86815 0 128 1235.00000 1216.86815 1.47% - 1s 0 0 1216.88756 0 131 1235.00000 1216.88756 1.47% - 1s 0 0 1217.02354 0 134 1235.00000 1217.02354 1.46% - 2s 0 0 1217.02354 0 137 1235.00000 1217.02354 1.46% - 2s 0 0 1217.02354 0 135 1235.00000 1217.02354 1.46% - 2s 0 0 1217.02354 0 138 1235.00000 1217.02354 1.46% - 2s 0 0 1217.02354 0 138 1235.00000 1217.02354 1.46% - 2s 0 2 1217.06526 0 138 1235.00000 1217.06526 1.45% - 2s 603 520 1219.78429 7 125 1235.00000 1218.68609 1.32% 24.9 5s * 730 555 70 1233.0000000 1218.68609 1.16% 27.1 8s 1101 748 1226.78933 43 94 1233.00000 1219.25490 1.11% 29.6 10s H 1133 691 1231.0000000 1219.25490 0.95% 29.6 10s * 1134 620 57 1230.0000000 1219.25490 0.87% 29.6 10s 1955 909 1226.76471 55 94 1230.00000 1220.22681 0.79% 30.4 15s * 2163 826 51 1228.0000000 1220.45220 0.61% 30.2 15s 3676 1132 1224.65660 47 107 1228.00000 1221.78206 0.51% 29.0 20s 5542 1780 1225.15880 41 113 1228.00000 1222.54326 0.44% 27.7 25s 7534 2332 1224.89835 40 111 1228.00000 1223.06044 0.40% 26.8 30s * 7949 2037 51 1227.0000000 1223.12273 0.32% 26.7 31s 9440 2106 1225.84065 43 101 1227.00000 1223.51642 0.28% 26.3 35s 11824 2082 1225.90984 43 105 1227.00000 1223.98347 0.25% 25.4 40s 14483 1791 1225.95967 39 115 1227.00000 1224.52632 0.20% 24.6 45s 17726 569 1225.63763 41 111 1227.00000 1225.47212 0.12% 23.4 50s Cutting planes: Gomory: 4 Zero half: 5 Mod-K: 2 Explored 18388 nodes (420917 simplex iterations) in 50.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.227000000000e+03, best bound 1.227000000000e+03, gap 0.0% adding cut for [(12, 64), (12, 65), (15, 39), (15, 44), (16, 44), (16, 58), (20, 49), (20, 63), (21, 31), (21, 67), (23, 42), (23, 73), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 80), (31, 33), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 45), (40, 68), (42, 58), (43, 88), (43, 101), (45, 92), (48, 49), (50, 65), (57, 76), (63, 89), (64, 91), (66, 67), (66, 72), (73, 75), (75, 76), (79, 80), (92, 101)] adding cut for [(6, 100), (6, 85), (38, 99), (38, 60), (62, 86), (17, 62), (17, 87), (18, 85), (18, 87), (86, 94), (60, 100), (94, 99)] Optimize a model with 427 rows, 5050 columns and 91467 nonzeros Presolve time: 0.08s Presolved: 427 rows, 5050 columns, 91467 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.215965e+03, 425 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1215.96472 0 125 3924.00000 1215.96472 69.0% - 0s Another try with MIP start H 0 0 1240.0000000 1215.96472 1.94% - 0s H 0 0 1239.0000000 1215.96472 1.86% - 1s 0 0 1216.78829 0 132 1239.00000 1216.78829 1.79% - 1s 0 0 1216.78829 0 125 1239.00000 1216.78829 1.79% - 1s 0 0 1216.86815 0 130 1239.00000 1216.86815 1.79% - 1s 0 0 1216.88756 0 135 1239.00000 1216.88756 1.78% - 1s 0 0 1217.02384 0 133 1239.00000 1217.02384 1.77% - 2s 0 0 1217.02384 0 134 1239.00000 1217.02384 1.77% - 2s 0 0 1217.04654 0 141 1239.00000 1217.04654 1.77% - 2s 0 0 1217.04654 0 142 1239.00000 1217.04654 1.77% - 2s 0 0 1217.05101 0 138 1239.00000 1217.05101 1.77% - 2s 0 0 1217.05101 0 139 1239.00000 1217.05101 1.77% - 2s 0 2 1217.05112 0 139 1239.00000 1217.05112 1.77% - 3s * 140 128 84 1237.0000000 1217.05158 1.61% 28.9 3s H 600 506 1235.0000000 1217.45629 1.42% 26.6 5s * 805 582 53 1234.0000000 1218.78625 1.23% 28.3 8s * 809 545 55 1233.0000000 1218.78625 1.15% 28.3 8s * 998 562 55 1231.0000000 1218.89049 0.98% 29.0 9s H 1100 517 1229.0000000 1219.41976 0.78% 29.3 10s H 1626 680 1228.0000000 1220.16356 0.64% 30.7 13s 2004 773 1225.02244 35 116 1228.00000 1220.53707 0.61% 30.2 15s 3551 1296 1223.84562 39 120 1228.00000 1221.73362 0.51% 29.2 20s * 4085 1327 47 1227.0000000 1221.93801 0.41% 28.8 21s 5608 1720 cutoff 43 1227.00000 1222.48339 0.37% 28.3 25s 7635 2101 cutoff 35 1227.00000 1223.03779 0.32% 27.4 30s 9457 2297 1225.10049 42 107 1227.00000 1223.39557 0.29% 26.8 35s 11724 2404 cutoff 40 1227.00000 1223.78246 0.26% 26.1 40s 14066 2323 cutoff 39 1227.00000 1224.10391 0.24% 25.6 45s 16457 2067 1226.00000 39 95 1227.00000 1224.43786 0.21% 25.0 50s 19267 1496 1225.96773 47 99 1227.00000 1224.85781 0.17% 24.3 55s Cutting planes: Gomory: 4 MIR: 2 Zero half: 6 Mod-K: 2 Explored 22464 nodes (519869 simplex iterations) in 59.40 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.227000000000e+03, best bound 1.227000000000e+03, gap 0.0% adding cut for [(3, 42), (9, 46), (9, 47), (21, 33), (21, 67), (23, 42), (23, 76), (24, 68), (24, 76), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 66), (37, 47), (37, 50), (40, 68), (46, 84), (50, 65), (64, 65), (64, 91), (66, 72), (67, 72)] adding cut for [(6, 61), (6, 85), (15, 39), (15, 44), (16, 44), (16, 58), (17, 62), (17, 87), (18, 85), (18, 87), (38, 93), (38, 99), (39, 45), (43, 88), (43, 101), (45, 92), (58, 88), (60, 93), (60, 100), (62, 94), (86, 92), (86, 94), (99, 101)] adding cut for [(48, 49), (34, 80), (34, 82), (4, 78), (4, 80), (10, 82), (10, 52), (11, 63), (11, 31), (12, 20), (12, 63), (49, 83), (20, 48), (31, 52)] adding cut for [(69, 81), (73, 75), (22, 73), (22, 74), (55, 81), (57, 75), (5, 55), (5, 57)] Optimize a model with 431 rows, 5050 columns and 92262 nonzeros Presolve time: 0.08s Presolved: 431 rows, 5050 columns, 92262 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216165e+03, 388 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.16468 0 125 3924.00000 1216.16468 69.0% - 0s Another try with MIP start H 0 0 1236.0000000 1216.16468 1.60% - 0s 0 0 1216.96324 0 125 1236.00000 1216.96324 1.54% - 1s 0 0 1216.96324 0 125 1236.00000 1216.96324 1.54% - 1s 0 0 1217.09825 0 135 1236.00000 1217.09825 1.53% - 1s 0 0 1217.10975 0 139 1236.00000 1217.10975 1.53% - 1s 0 0 1217.18287 0 141 1236.00000 1217.18287 1.52% - 1s 0 0 1217.23328 0 140 1236.00000 1217.23328 1.52% - 2s 0 0 1217.28354 0 137 1236.00000 1217.28354 1.51% - 2s 0 0 1217.28354 0 137 1236.00000 1217.28354 1.51% - 2s 0 0 1217.29639 0 141 1236.00000 1217.29639 1.51% - 2s 0 0 1217.30464 0 142 1236.00000 1217.30464 1.51% - 2s 0 0 1217.30574 0 144 1236.00000 1217.30574 1.51% - 2s 0 0 1217.30935 0 144 1236.00000 1217.30935 1.51% - 2s 0 0 1217.30935 0 144 1236.00000 1217.30935 1.51% - 2s 0 2 1217.35624 0 144 1236.00000 1217.35624 1.51% - 2s * 103 94 64 1234.0000000 1217.74562 1.32% 30.0 3s * 186 135 54 1231.0000000 1218.29622 1.03% 25.5 3s H 600 277 1228.0000000 1219.37463 0.70% 27.2 4s 603 279 1226.71930 22 126 1228.00000 1219.37463 0.70% 27.0 5s 1459 540 1221.00821 22 123 1228.00000 1220.34688 0.62% 28.7 10s 3172 1394 1225.88214 29 93 1228.00000 1221.48558 0.53% 27.2 15s 4833 2120 1226.78224 31 107 1228.00000 1221.99745 0.49% 26.4 20s 6599 2829 cutoff 26 1228.00000 1222.37705 0.46% 25.8 25s 8545 3600 1225.53306 30 88 1228.00000 1222.68579 0.43% 25.4 30s * 9402 3333 36 1227.0000000 1222.77003 0.34% 25.3 32s 10494 3495 1225.56628 26 102 1227.00000 1222.95425 0.33% 25.1 35s 12735 3813 1225.40480 36 103 1227.00000 1223.24598 0.31% 24.9 40s 14903 3956 1224.01805 26 121 1227.00000 1223.50448 0.28% 24.7 45s 17249 4042 1225.18679 29 109 1227.00000 1223.73872 0.27% 24.5 50s 19622 3999 1225.39993 31 109 1227.00000 1223.97967 0.25% 24.2 55s 22090 3834 1225.51034 30 119 1227.00000 1224.21053 0.23% 24.0 60s 24766 3536 1224.88442 23 118 1227.00000 1224.43612 0.21% 23.7 65s 27626 3027 cutoff 31 1227.00000 1224.69611 0.19% 23.3 70s 30991 2043 cutoff 36 1227.00000 1225.04726 0.16% 22.7 75s 34242 265 cutoff 32 1227.00000 1225.80288 0.10% 21.9 80s Cutting planes: Gomory: 6 MIR: 1 Zero half: 7 Mod-K: 1 Explored 34514 nodes (751374 simplex iterations) in 80.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.227000000000e+03, best bound 1.227000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (12, 20), (12, 64), (15, 44), (15, 45), (16, 44), (16, 58), (18, 46), (18, 87), (20, 49), (22, 74), (23, 42), (23, 76), (37, 48), (37, 50), (39, 45), (39, 87), (42, 58), (47, 48), (49, 83), (50, 65), (64, 65), (73, 74), (73, 75), (75, 76)] adding cut for [(5, 57), (11, 63), (11, 91), (21, 31), (21, 67), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 80), (31, 33), (33, 91), (35, 36), (35, 79), (36, 72), (40, 68), (63, 89), (66, 67), (66, 72), (79, 80)] adding cut for [(6, 85), (6, 62), (60, 100), (60, 94), (17, 92), (17, 62), (84, 85), (86, 94), (86, 92), (61, 84)] Optimize a model with 434 rows, 5050 columns and 92921 nonzeros Presolve time: 0.08s Presolved: 434 rows, 5050 columns, 92921 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216165e+03, 399 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.16468 0 124 3924.00000 1216.16468 69.0% - 0s Another try with MIP start H 0 0 1235.0000000 1216.16468 1.53% - 0s 0 0 1216.96324 0 124 1235.00000 1216.96324 1.46% - 1s 0 0 1216.96324 0 123 1235.00000 1216.96324 1.46% - 1s 0 0 1217.09276 0 134 1235.00000 1217.09276 1.45% - 1s 0 0 1217.18239 0 134 1235.00000 1217.18239 1.44% - 1s 0 0 1217.18239 0 137 1235.00000 1217.18239 1.44% - 1s 0 0 1217.18943 0 138 1235.00000 1217.18943 1.44% - 2s 0 0 1217.24641 0 142 1235.00000 1217.24641 1.44% - 2s 0 0 1217.24641 0 143 1235.00000 1217.24641 1.44% - 2s 0 0 1217.27495 0 140 1235.00000 1217.27495 1.44% - 2s 0 0 1217.27495 0 143 1235.00000 1217.27495 1.44% - 2s 0 0 1217.28693 0 141 1235.00000 1217.28693 1.43% - 2s 0 0 1217.29362 0 148 1235.00000 1217.29362 1.43% - 2s 0 0 1217.31372 0 144 1235.00000 1217.31372 1.43% - 2s 0 0 1217.38051 0 146 1235.00000 1217.38051 1.43% - 2s 0 0 1217.52788 0 148 1235.00000 1217.52788 1.41% - 2s 0 0 1217.53017 0 147 1235.00000 1217.53017 1.41% - 2s 0 0 1217.55058 0 147 1235.00000 1217.55058 1.41% - 2s 0 0 1217.55058 0 148 1235.00000 1217.55058 1.41% - 2s 0 0 1217.59718 0 147 1235.00000 1217.59718 1.41% - 2s 0 0 1217.59718 0 148 1235.00000 1217.59718 1.41% - 2s 0 0 1217.61720 0 144 1235.00000 1217.61720 1.41% - 3s 0 0 1217.62116 0 143 1235.00000 1217.62116 1.41% - 3s 0 0 1217.65466 0 149 1235.00000 1217.65466 1.40% - 3s 0 0 1217.65473 0 151 1235.00000 1217.65473 1.40% - 3s 0 0 1217.65959 0 150 1235.00000 1217.65959 1.40% - 3s 0 0 1217.67453 0 147 1235.00000 1217.67453 1.40% - 3s 0 0 1217.67453 0 148 1235.00000 1217.67453 1.40% - 3s 0 0 1217.67910 0 149 1235.00000 1217.67910 1.40% - 3s 0 0 1217.67910 0 149 1235.00000 1217.67910 1.40% - 3s 0 2 1217.67996 0 149 1235.00000 1217.67996 1.40% - 3s * 125 117 76 1233.0000000 1218.21037 1.20% 30.2 3s 573 508 1230.48734 49 84 1233.00000 1219.30130 1.11% 25.9 5s 1092 765 1221.45899 15 127 1233.00000 1219.33454 1.11% 28.5 10s * 1198 713 71 1231.0000000 1219.33454 0.95% 28.8 10s * 1559 756 56 1230.0000000 1219.92692 0.82% 28.1 11s H 1745 709 1229.0000000 1220.23205 0.71% 27.8 12s 2006 821 1226.06425 41 115 1229.00000 1220.51983 0.69% 28.4 15s 3502 1238 1223.87566 35 120 1229.00000 1221.00913 0.65% 28.2 20s * 4034 1219 48 1228.0000000 1221.33512 0.54% 27.7 21s * 4618 1165 44 1227.0000000 1221.61612 0.44% 27.4 23s 5154 1291 1223.10606 33 129 1227.00000 1221.87709 0.42% 27.3 25s 6899 1645 1224.74408 33 124 1227.00000 1222.51207 0.37% 27.1 30s 8612 1852 cutoff 36 1227.00000 1222.96637 0.33% 26.7 35s 10485 1987 cutoff 36 1227.00000 1223.42222 0.29% 26.3 40s 12523 1968 1225.72259 36 104 1227.00000 1223.79099 0.26% 25.9 45s 14855 1761 1225.42198 37 116 1227.00000 1224.24027 0.22% 25.5 50s 17484 1146 cutoff 40 1227.00000 1224.81645 0.18% 24.8 55s Cutting planes: Gomory: 7 MIR: 1 Zero half: 11 Explored 19367 nodes (464842 simplex iterations) in 57.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.227000000000e+03, best bound 1.227000000000e+03, gap 0.0% adding cut for [(6, 85), (6, 94), (11, 63), (11, 64), (12, 20), (12, 65), (15, 43), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 87), (20, 63), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (38, 99), (38, 101), (39, 44), (39, 45), (40, 68), (42, 58), (43, 88), (46, 47), (47, 48), (50, 65), (57, 76), (61, 84), (62, 86), (64, 91), (66, 67), (66, 72), (84, 85), (86, 92), (92, 101), (94, 99)] Optimize a model with 435 rows, 5050 columns and 94299 nonzeros Presolve time: 0.08s Presolved: 435 rows, 5050 columns, 94299 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216165e+03, 367 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.16468 0 123 3924.00000 1216.16468 69.0% - 0s Another try with MIP start H 0 0 1240.0000000 1216.16468 1.92% - 0s 0 0 1216.96356 0 126 1240.00000 1216.96356 1.86% - 1s 0 0 1216.96356 0 128 1240.00000 1216.96356 1.86% - 1s 0 0 1217.09638 0 138 1240.00000 1217.09638 1.85% - 1s 0 0 1217.21538 0 138 1240.00000 1217.21538 1.84% - 1s 0 0 1217.26917 0 143 1240.00000 1217.26917 1.83% - 1s 0 0 1217.26917 0 144 1240.00000 1217.26917 1.83% - 2s 0 0 1217.28342 0 143 1240.00000 1217.28342 1.83% - 2s 0 0 1217.28533 0 144 1240.00000 1217.28533 1.83% - 2s 0 0 1217.38188 0 142 1240.00000 1217.38188 1.82% - 2s 0 0 1217.43253 0 143 1240.00000 1217.43253 1.82% - 2s 0 0 1217.43253 0 144 1240.00000 1217.43253 1.82% - 2s 0 0 1217.43657 0 143 1240.00000 1217.43657 1.82% - 2s 0 0 1217.43916 0 144 1240.00000 1217.43916 1.82% - 3s 0 0 1217.44259 0 143 1240.00000 1217.44259 1.82% - 3s 0 0 1217.45353 0 148 1240.00000 1217.45353 1.82% - 3s 0 0 1217.46349 0 149 1240.00000 1217.46349 1.82% - 3s 0 0 1217.46681 0 149 1240.00000 1217.46681 1.82% - 3s 0 0 1217.47883 0 147 1240.00000 1217.47883 1.82% - 3s 0 0 1217.48870 0 148 1240.00000 1217.48870 1.82% - 3s 0 0 1217.49511 0 149 1240.00000 1217.49511 1.81% - 3s 0 0 1217.51893 0 145 1240.00000 1217.51893 1.81% - 3s 0 0 1217.53067 0 144 1240.00000 1217.53067 1.81% - 3s 0 0 1217.53190 0 147 1240.00000 1217.53190 1.81% - 3s 0 0 1217.53978 0 148 1240.00000 1217.53978 1.81% - 3s 0 0 1217.55287 0 148 1240.00000 1217.55287 1.81% - 3s 0 0 1217.55503 0 149 1240.00000 1217.55503 1.81% - 4s 0 0 1217.56464 0 149 1240.00000 1217.56464 1.81% - 4s 0 0 1217.56479 0 153 1240.00000 1217.56479 1.81% - 4s 0 0 1217.56696 0 154 1240.00000 1217.56696 1.81% - 4s 0 0 1217.56696 0 153 1240.00000 1217.56696 1.81% - 4s 0 2 1217.56696 0 153 1240.00000 1217.56696 1.81% - 4s 119 121 1233.26515 71 98 1240.00000 1217.91191 1.78% 36.0 5s * 171 159 102 1238.0000000 1217.91191 1.62% 31.3 5s * 294 241 86 1236.0000000 1217.93394 1.46% 27.6 5s H 600 460 1235.0000000 1218.75990 1.31% 25.5 6s * 703 487 57 1230.0000000 1218.75990 0.91% 27.7 9s 801 533 1219.69619 14 126 1230.00000 1218.75990 0.91% 28.6 10s 1673 854 1228.75052 39 104 1230.00000 1220.23389 0.79% 30.0 15s * 1799 799 51 1229.0000000 1220.27698 0.71% 30.2 15s 3338 1521 1223.69303 29 104 1229.00000 1221.65195 0.60% 28.5 20s 4966 2368 cutoff 34 1229.00000 1222.23847 0.55% 27.4 25s * 5931 2411 46 1228.0000000 1222.50705 0.45% 26.9 27s * 6263 1769 49 1227.0000000 1222.57816 0.36% 26.8 28s 6401 1790 1223.86748 36 126 1227.00000 1222.65909 0.35% 26.8 31s 7014 1941 1225.65247 49 103 1227.00000 1222.65909 0.35% 27.4 35s 8666 1930 1225.20881 41 119 1227.00000 1222.65909 0.35% 27.1 40s 10645 1662 cutoff 47 1227.00000 1223.16383 0.31% 26.7 45s 12721 1426 cutoff 46 1227.00000 1223.66704 0.27% 26.3 50s 15021 1360 1225.01736 47 120 1227.00000 1224.20403 0.23% 25.8 55s 17427 902 1225.80657 47 114 1227.00000 1224.80000 0.18% 25.3 60s Cutting planes: Gomory: 6 MIR: 1 Zero half: 7 Mod-K: 1 Explored 19138 nodes (470962 simplex iterations) in 62.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.227000000000e+03, best bound 1.227000000000e+03, gap 0.0% adding cut for [(6, 61), (10, 52), (10, 82), (15, 39), (15, 43), (16, 44), (16, 58), (17, 87), (17, 92), (18, 62), (18, 85), (21, 52), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 79), (34, 82), (35, 36), (35, 79), (36, 72), (38, 60), (38, 99), (39, 45), (40, 68), (42, 58), (43, 44), (45, 87), (55, 56), (57, 76), (60, 100), (61, 84), (62, 86), (66, 67), (66, 72), (73, 75), (73, 76), (84, 85), (86, 94), (92, 101), (94, 100), (99, 101)] adding cut for [(64, 65), (37, 48), (37, 50), (8, 49), (9, 46), (9, 83), (12, 64), (12, 20), (46, 47), (47, 48), (50, 65), (20, 49)] adding cut for [(32, 89), (33, 91), (31, 33), (31, 71), (11, 91), (11, 63), (63, 89)] Optimize a model with 438 rows, 5050 columns and 95533 nonzeros Presolve time: 0.08s Presolved: 438 rows, 5050 columns, 95533 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216388e+03, 392 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.38792 0 122 3924.00000 1216.38792 69.0% - 0s Another try with MIP start H 0 0 1241.0000000 1216.38792 1.98% - 0s H 0 0 1240.0000000 1216.38792 1.90% - 0s 0 0 1217.29232 0 126 1240.00000 1217.29232 1.83% - 1s 0 0 1217.29232 0 123 1240.00000 1217.29232 1.83% - 1s 0 0 1217.64646 0 128 1240.00000 1217.64646 1.80% - 1s 0 0 1217.64646 0 130 1240.00000 1217.64646 1.80% - 1s 0 0 1217.64646 0 130 1240.00000 1217.64646 1.80% - 2s 0 0 1217.64646 0 131 1240.00000 1217.64646 1.80% - 2s 0 0 1217.64646 0 131 1240.00000 1217.64646 1.80% - 2s 0 2 1217.65136 0 131 1240.00000 1217.65136 1.80% - 2s * 280 231 98 1236.0000000 1217.99231 1.46% 24.2 3s H 600 354 1232.0000000 1218.36433 1.11% 24.8 4s 604 357 1229.45849 46 128 1232.00000 1218.36433 1.11% 24.6 5s * 1141 562 55 1231.0000000 1220.12165 0.88% 28.5 8s * 1606 539 40 1229.0000000 1220.46440 0.69% 28.5 9s H 1700 524 1228.0000000 1220.57147 0.60% 28.4 10s 2450 738 1222.52963 29 117 1228.00000 1221.17004 0.56% 29.7 15s 4144 1233 cutoff 43 1228.00000 1222.14483 0.48% 28.4 20s 5861 1880 1225.28800 34 115 1228.00000 1222.79546 0.42% 27.4 25s 7615 2428 1226.76132 37 103 1228.00000 1223.12839 0.40% 26.8 30s 9575 2998 1224.67043 36 121 1228.00000 1223.48625 0.37% 26.3 35s 11591 3480 1226.43133 36 95 1228.00000 1223.75292 0.35% 25.8 40s 14067 3938 1225.21002 38 111 1228.00000 1224.01786 0.32% 25.4 45s 16473 4268 1226.36331 39 96 1228.00000 1224.24270 0.31% 25.1 50s 19034 4504 1225.60458 33 116 1228.00000 1224.42357 0.29% 24.8 55s 21595 4696 1226.95010 38 108 1228.00000 1224.59584 0.28% 24.6 60s 24186 4795 1225.85604 37 113 1228.00000 1224.76782 0.26% 24.5 65s 26851 4794 1226.64286 37 80 1228.00000 1224.93640 0.25% 24.2 70s 29579 4674 1226.95265 40 84 1228.00000 1225.10461 0.24% 24.0 75s *29810 2931 46 1227.0000000 1225.11605 0.15% 24.0 75s 31701 1947 cutoff 38 1227.00000 1225.42604 0.13% 23.6 80s Cutting planes: Gomory: 9 MIR: 2 Zero half: 6 Explored 33986 nodes (769182 simplex iterations) in 82.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.227000000000e+03, best bound 1.227000000000e+03, gap 0.0% adding cut for [(6, 61), (6, 85), (9, 46), (9, 84), (15, 39), (15, 43), (16, 44), (16, 58), (17, 45), (17, 87), (18, 46), (18, 87), (23, 24), (23, 42), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 69), (39, 45), (40, 68), (42, 58), (43, 44), (69, 81), (84, 85)] adding cut for [(4, 78), (4, 80), (11, 63), (11, 64), (12, 20), (12, 65), (20, 63), (21, 31), (21, 67), (31, 33), (33, 91), (35, 36), (35, 79), (36, 72), (37, 47), (37, 50), (47, 48), (48, 49), (49, 83), (50, 65), (64, 91), (66, 67), (66, 72), (79, 80)] adding cut for [(99, 101), (38, 99), (38, 93), (60, 100), (94, 100), (86, 92), (88, 98), (92, 101), (93, 98), (62, 94), (62, 86)] adding cut for [(5, 55), (5, 57), (73, 74), (73, 75), (75, 76), (22, 74), (57, 76)] Optimize a model with 442 rows, 5050 columns and 96278 nonzeros Presolve time: 0.08s Presolved: 442 rows, 5050 columns, 96278 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216388e+03, 383 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.38792 0 120 3924.00000 1216.38792 69.0% - 0s Another try with MIP start H 0 0 1239.0000000 1216.38792 1.83% - 0s 0 0 1217.29232 0 127 1239.00000 1217.29232 1.75% - 1s 0 0 1217.29232 0 122 1239.00000 1217.29232 1.75% - 1s 0 0 1217.64646 0 128 1239.00000 1217.64646 1.72% - 1s 0 0 1217.64646 0 129 1239.00000 1217.64646 1.72% - 1s 0 0 1217.64646 0 129 1239.00000 1217.64646 1.72% - 2s 0 0 1217.64646 0 131 1239.00000 1217.64646 1.72% - 2s 0 2 1217.65136 0 131 1239.00000 1217.65136 1.72% - 2s * 136 130 79 1237.0000000 1217.97208 1.54% 29.7 2s * 448 320 54 1234.0000000 1218.10167 1.29% 26.3 3s * 533 363 57 1233.0000000 1218.13385 1.21% 26.0 3s 703 490 1224.63519 21 120 1233.00000 1218.46666 1.18% 26.8 5s * 1376 736 56 1232.0000000 1219.96305 0.98% 29.5 9s 1620 822 1223.12669 16 117 1232.00000 1220.35783 0.94% 29.4 10s * 2747 1368 51 1231.0000000 1221.27707 0.79% 28.7 13s 3106 1607 cutoff 37 1231.00000 1221.39524 0.78% 28.5 15s * 3118 1431 44 1230.0000000 1221.39524 0.70% 28.4 15s 4434 2224 1228.57692 40 70 1230.00000 1222.03233 0.65% 28.3 20s 6108 3114 1227.18328 24 111 1230.00000 1222.43035 0.62% 27.9 25s 7862 4031 1225.19167 24 108 1230.00000 1222.76945 0.59% 27.6 30s * 7907 3578 50 1229.0000000 1222.76953 0.51% 27.6 30s 8148 3681 1222.78940 29 115 1229.00000 1222.78940 0.51% 27.9 35s 9344 3997 1224.68085 34 110 1229.00000 1222.78940 0.51% 28.3 40s 11058 4321 1226.36711 35 120 1229.00000 1222.78940 0.51% 28.1 45s 13055 4543 1227.55895 37 111 1229.00000 1222.91612 0.50% 28.0 50s 14917 4651 1227.47006 45 101 1229.00000 1223.26966 0.47% 27.6 55s 16915 4693 1227.69612 36 82 1229.00000 1223.56781 0.44% 27.4 60s *18211 3835 44 1228.0000000 1223.71352 0.35% 27.2 63s 18921 3891 1225.25743 38 106 1228.00000 1223.84746 0.34% 27.2 65s 20999 4196 1226.21429 36 87 1228.00000 1224.10453 0.32% 26.9 70s 23046 4374 1225.55226 39 114 1228.00000 1224.36937 0.30% 26.8 75s 25303 4466 1226.73500 34 110 1228.00000 1224.59934 0.28% 26.5 80s 27358 4494 1226.29310 43 82 1228.00000 1224.78582 0.26% 26.3 85s 29892 4385 1225.59059 40 115 1228.00000 1225.02514 0.24% 26.1 90s 32104 4146 1225.35895 32 115 1228.00000 1225.23703 0.22% 25.9 95s 34721 3765 cutoff 36 1228.00000 1225.47826 0.21% 25.6 100s 37927 3006 1226.16476 45 103 1228.00000 1225.79319 0.18% 25.1 105s 41385 1650 cutoff 37 1228.00000 1226.23780 0.14% 24.5 110s Cutting planes: Gomory: 8 MIR: 1 Zero half: 9 Explored 43756 nodes (1043541 simplex iterations) in 112.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(5, 56), (5, 75), (6, 61), (6, 85), (15, 39), (15, 43), (16, 44), (16, 58), (17, 45), (17, 87), (18, 46), (18, 87), (22, 74), (23, 42), (23, 76), (24, 57), (24, 68), (26, 40), (26, 56), (39, 45), (40, 68), (42, 58), (43, 44), (46, 84), (57, 73), (73, 74), (75, 76), (84, 85)] adding cut for [(66, 67), (67, 72), (36, 66), (69, 81), (10, 72), (10, 52), (35, 36), (35, 79), (55, 81), (25, 55), (25, 30), (30, 79)] adding cut for [(37, 48), (37, 50), (8, 49), (9, 47), (9, 83), (12, 65), (12, 20), (47, 48), (50, 65), (20, 49)] adding cut for [(38, 99), (38, 101), (92, 101), (86, 92), (60, 99), (60, 100), (93, 98), (93, 94), (62, 94), (62, 86)] adding cut for [(64, 91), (33, 91), (32, 71), (31, 71), (11, 64), (11, 63), (21, 33), (21, 31), (63, 89)] Optimize a model with 447 rows, 5050 columns and 96917 nonzeros Presolve time: 0.08s Presolved: 447 rows, 5050 columns, 96917 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216388e+03, 381 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.38792 0 122 3924.00000 1216.38792 69.0% - 0s Another try with MIP start H 0 0 1241.0000000 1216.38792 1.98% - 0s 0 0 1217.37914 0 127 1241.00000 1217.37914 1.90% - 1s 0 0 1217.37914 0 121 1241.00000 1217.37914 1.90% - 1s 0 0 1217.72563 0 131 1241.00000 1217.72563 1.88% - 1s 0 0 1217.72563 0 134 1241.00000 1217.72563 1.88% - 1s 0 0 1217.73442 0 132 1241.00000 1217.73442 1.87% - 1s 0 0 1217.73442 0 133 1241.00000 1217.73442 1.87% - 1s 0 0 1217.74423 0 138 1241.00000 1217.74423 1.87% - 2s 0 0 1217.74423 0 139 1241.00000 1217.74423 1.87% - 2s 0 0 1217.77919 0 134 1241.00000 1217.77919 1.87% - 2s 0 0 1217.77919 0 135 1241.00000 1217.77919 1.87% - 2s 0 0 1217.77971 0 139 1241.00000 1217.77971 1.87% - 2s 0 2 1217.77971 0 139 1241.00000 1217.77971 1.87% - 2s * 103 97 62 1234.0000000 1217.83334 1.31% 28.9 3s * 104 90 62 1233.0000000 1217.83334 1.23% 28.6 3s * 249 176 61 1231.0000000 1218.44500 1.02% 26.1 3s 598 441 cutoff 32 1231.00000 1219.42567 0.94% 30.2 5s * 1014 578 48 1230.0000000 1219.75619 0.83% 32.8 8s 1372 678 1225.98997 36 105 1230.00000 1220.40737 0.78% 32.2 10s * 1700 688 48 1229.0000000 1220.84092 0.66% 31.2 11s 2837 1176 1224.05154 25 105 1229.00000 1221.91979 0.58% 30.2 15s 4352 1850 1224.82740 24 110 1229.00000 1222.53494 0.53% 29.1 20s * 5967 2155 35 1228.0000000 1222.99251 0.41% 28.6 24s 6036 2173 1224.49627 24 124 1228.00000 1223.03610 0.40% 28.6 25s 6208 2241 1223.04310 30 130 1228.00000 1223.04310 0.40% 28.8 30s 7760 2461 1226.63480 41 100 1228.00000 1223.04310 0.40% 28.9 35s 9478 2450 1224.83749 37 117 1228.00000 1223.04310 0.40% 28.5 40s 11274 2314 1225.25842 36 118 1228.00000 1223.49844 0.37% 28.2 45s 13490 2249 1226.90968 38 101 1228.00000 1223.96690 0.33% 27.7 50s 15371 2475 1226.61268 39 92 1228.00000 1224.27502 0.30% 27.4 55s 17672 2610 1224.87814 37 122 1228.00000 1224.58989 0.28% 27.0 60s 20025 2619 1226.02232 41 111 1228.00000 1224.86375 0.26% 26.7 65s 22654 2555 1226.25320 41 110 1228.00000 1225.14706 0.23% 26.1 70s 25355 2275 cutoff 43 1228.00000 1225.43197 0.21% 25.7 75s 27867 1802 cutoff 46 1228.00000 1225.74497 0.18% 25.2 80s 30526 905 1226.45395 40 101 1228.00000 1226.18421 0.15% 24.7 85s Cutting planes: Gomory: 9 MIR: 1 Zero half: 6 Explored 31983 nodes (772046 simplex iterations) in 86.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(6, 85), (6, 100), (9, 46), (9, 47), (12, 20), (12, 64), (18, 46), (18, 62), (20, 65), (21, 52), (21, 67), (31, 52), (31, 71), (33, 67), (33, 91), (37, 48), (37, 50), (47, 48), (50, 65), (61, 84), (62, 86), (64, 91), (84, 85), (86, 94), (94, 100)] adding cut for [(15, 39), (15, 44), (16, 42), (16, 44), (17, 87), (17, 92), (23, 42), (23, 76), (24, 68), (24, 76), (25, 30), (25, 55), (26, 40), (26, 56), (30, 81), (38, 93), (38, 99), (39, 45), (40, 68), (45, 87), (55, 56), (60, 93), (69, 81), (92, 101), (99, 101)] adding cut for [(66, 72), (35, 36), (35, 79), (36, 66), (10, 72), (10, 82), (34, 82), (34, 51), (79, 80), (4, 78), (4, 80)] Optimize a model with 450 rows, 5050 columns and 97633 nonzeros Presolve time: 0.08s Presolved: 450 rows, 5050 columns, 97633 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216388e+03, 386 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.38792 0 120 3924.00000 1216.38792 69.0% - 0s Another try with MIP start H 0 0 1241.0000000 1216.38792 1.98% - 0s 0 0 1217.37914 0 127 1241.00000 1217.37914 1.90% - 1s 0 0 1217.37914 0 120 1241.00000 1217.37914 1.90% - 1s 0 0 1217.72563 0 128 1241.00000 1217.72563 1.88% - 1s 0 0 1217.72563 0 131 1241.00000 1217.72563 1.88% - 1s 0 0 1217.72563 0 132 1241.00000 1217.72563 1.88% - 1s 0 0 1217.72563 0 132 1241.00000 1217.72563 1.88% - 1s 0 2 1217.72628 0 132 1241.00000 1217.72628 1.88% - 2s H 54 54 1237.0000000 1217.82111 1.55% 32.4 2s H 89 87 1233.0000000 1217.82111 1.23% 31.1 2s 603 491 1229.26859 64 123 1233.00000 1218.79054 1.15% 26.2 5s 1487 901 1222.65860 23 121 1233.00000 1220.20101 1.04% 29.0 10s * 1623 858 71 1232.0000000 1220.28110 0.95% 28.7 10s * 1920 869 61 1231.0000000 1220.71126 0.84% 28.2 11s * 2527 1148 64 1230.0000000 1221.08877 0.72% 27.9 13s 2704 1269 1227.51328 38 131 1230.00000 1221.23538 0.71% 27.8 15s 3693 1614 1223.36338 31 121 1230.00000 1221.23538 0.71% 29.5 20s H 4147 1603 1229.0000000 1221.45455 0.61% 29.3 21s 5371 1895 1225.97676 42 109 1229.00000 1222.09825 0.56% 28.9 25s 6947 2337 1227.80833 47 98 1229.00000 1222.62836 0.52% 28.5 30s 8441 2904 1226.58100 35 113 1229.00000 1223.01786 0.49% 28.3 35s * 9051 2697 45 1228.0000000 1223.11962 0.40% 28.2 36s 10201 2988 1226.84375 46 94 1228.00000 1223.43057 0.37% 28.0 40s 12285 3378 1225.59756 40 111 1228.00000 1223.78706 0.34% 27.6 45s 14317 3631 1225.88969 41 114 1228.00000 1224.07883 0.32% 27.3 50s 16107 3860 1226.46185 42 112 1228.00000 1224.27005 0.30% 27.0 55s 18251 4009 1226.93000 48 87 1228.00000 1224.50665 0.28% 26.7 60s 20629 4104 1224.94972 33 110 1228.00000 1224.73262 0.27% 26.4 65s 22613 4081 1226.05307 36 109 1228.00000 1224.92737 0.25% 26.1 70s 25179 3987 1226.71245 44 97 1228.00000 1225.14517 0.23% 25.8 75s 27642 3750 1225.49577 44 98 1228.00000 1225.35577 0.22% 25.4 80s 30423 3245 cutoff 44 1228.00000 1225.59661 0.20% 25.0 85s 33759 2296 cutoff 37 1228.00000 1225.95219 0.17% 24.4 90s 37738 169 cutoff 45 1228.00000 1226.87159 0.09% 23.3 95s Cutting planes: Gomory: 6 MIR: 2 Zero half: 8 Explored 37915 nodes (882389 simplex iterations) in 95.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(6, 85), (9, 46), (9, 47), (12, 64), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 85), (18, 87), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 81), (26, 40), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (38, 93), (38, 101), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (46, 84), (47, 48), (50, 65), (55, 56), (55, 81), (57, 76), (61, 84), (62, 86), (64, 91), (66, 72), (67, 72), (86, 94), (92, 101), (93, 99), (94, 99)] adding cut for [(34, 80), (34, 82), (4, 80), (4, 51), (10, 82), (10, 52), (11, 71), (11, 31), (31, 52)] adding cut for [(19, 83), (8, 89), (49, 83), (20, 49), (20, 63), (63, 89)] Optimize a model with 453 rows, 5050 columns and 99077 nonzeros Presolve time: 0.08s Presolved: 453 rows, 5050 columns, 99077 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216392e+03, 401 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.39168 0 124 3924.00000 1216.39168 69.0% - 0s Another try with MIP start H 0 0 1238.0000000 1216.39168 1.75% - 0s H 0 0 1237.0000000 1216.39168 1.67% - 1s 0 0 1217.44219 0 127 1237.00000 1217.44219 1.58% - 1s 0 0 1217.44219 0 123 1237.00000 1217.44219 1.58% - 1s 0 0 1217.61031 0 125 1237.00000 1217.61031 1.57% - 1s 0 0 1217.63452 0 128 1237.00000 1217.63452 1.57% - 1s 0 0 1217.63884 0 131 1237.00000 1217.63884 1.57% - 1s 0 0 1217.63884 0 132 1237.00000 1217.63884 1.57% - 1s 0 0 1217.67545 0 130 1237.00000 1217.67545 1.56% - 2s 0 0 1217.71448 0 133 1237.00000 1217.71448 1.56% - 2s 0 0 1217.71448 0 133 1237.00000 1217.71448 1.56% - 2s 0 0 1217.71448 0 133 1237.00000 1217.71448 1.56% - 2s 0 0 1217.71448 0 133 1237.00000 1217.71448 1.56% - 2s 0 0 1217.71448 0 133 1237.00000 1217.71448 1.56% - 2s 0 2 1217.74942 0 133 1237.00000 1217.74942 1.56% - 2s * 380 225 39 1231.0000000 1218.83731 0.99% 25.8 4s 601 347 1225.55854 18 127 1231.00000 1219.10184 0.97% 26.7 5s 1255 593 1220.59706 16 124 1231.00000 1220.46368 0.86% 29.8 10s * 1839 766 39 1230.0000000 1221.18101 0.72% 29.5 12s 2718 1283 1228.51550 32 92 1230.00000 1221.73030 0.67% 29.6 15s * 3976 1780 49 1229.0000000 1222.31438 0.54% 29.3 19s 4222 1879 1225.03537 21 122 1229.00000 1222.45628 0.53% 29.3 20s 5936 2480 1227.45821 23 108 1229.00000 1223.01395 0.49% 29.1 25s 7371 2994 cutoff 27 1229.00000 1223.32804 0.46% 28.7 30s * 8264 2649 33 1228.0000000 1223.45781 0.37% 28.5 32s 9269 2816 1226.44928 24 107 1228.00000 1223.64743 0.35% 28.3 35s 11121 3048 1225.92767 24 117 1228.00000 1223.99337 0.33% 28.0 40s 12904 3154 1226.14362 26 114 1228.00000 1224.23121 0.31% 27.8 45s 14933 3250 1225.88858 18 110 1228.00000 1224.46511 0.29% 27.5 50s 16985 3260 1226.85767 30 112 1228.00000 1224.70301 0.27% 27.2 55s 19203 3157 1226.84615 29 94 1228.00000 1224.94600 0.25% 26.8 60s 21180 2983 1226.92376 28 115 1228.00000 1225.14613 0.23% 26.6 65s 23521 2690 1226.30339 23 115 1228.00000 1225.39872 0.21% 26.2 70s 26044 2177 cutoff 31 1228.00000 1225.69054 0.19% 25.7 75s 28802 1264 1226.90269 28 105 1228.00000 1226.12451 0.15% 25.2 80s Cutting planes: Gomory: 10 MIR: 1 Zero half: 6 Mod-K: 1 Explored 30756 nodes (753044 simplex iterations) in 82.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(4, 34), (4, 80), (10, 52), (10, 72), (15, 39), (15, 44), (16, 44), (16, 58), (17, 62), (17, 87), (23, 42), (23, 75), (24, 68), (24, 76), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (34, 51), (35, 36), (35, 79), (36, 66), (39, 45), (40, 68), (42, 58), (45, 87), (52, 82), (62, 94), (66, 67), (67, 72), (75, 76), (80, 82), (93, 94), (93, 98)] adding cut for [(37, 50), (37, 48), (6, 84), (6, 85), (9, 46), (9, 47), (12, 65), (12, 20), (50, 65), (47, 48), (18, 46), (18, 85), (20, 63), (61, 84), (63, 89)] adding cut for [(38, 99), (38, 60), (60, 100), (43, 101), (43, 88), (86, 99), (86, 92), (92, 101)] adding cut for [(64, 91), (33, 91), (11, 64), (11, 32), (21, 33), (21, 31), (31, 71)] Optimize a model with 457 rows, 5050 columns and 99891 nonzeros Presolve time: 0.09s Presolved: 457 rows, 5050 columns, 99891 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216392e+03, 385 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.39168 0 124 3924.00000 1216.39168 69.0% - 0s Another try with MIP start H 0 0 1243.0000000 1216.39168 2.14% - 0s H 0 0 1238.0000000 1216.39168 1.75% - 0s 0 0 1217.44219 0 127 1238.00000 1217.44219 1.66% - 1s 0 0 1217.44219 0 124 1238.00000 1217.44219 1.66% - 1s 0 0 1217.64716 0 127 1238.00000 1217.64716 1.64% - 1s 0 0 1217.72753 0 129 1238.00000 1217.72753 1.64% - 1s 0 0 1217.80171 0 135 1238.00000 1217.80171 1.63% - 1s 0 0 1217.80171 0 138 1238.00000 1217.80171 1.63% - 1s 0 0 1217.82179 0 139 1238.00000 1217.82179 1.63% - 2s 0 0 1217.82621 0 140 1238.00000 1217.82621 1.63% - 2s 0 0 1217.82621 0 140 1238.00000 1217.82621 1.63% - 2s 0 0 1217.82621 0 140 1238.00000 1217.82621 1.63% - 2s 0 2 1217.82972 0 140 1238.00000 1217.82972 1.63% - 2s * 470 385 77 1236.0000000 1219.35437 1.35% 24.0 3s * 477 349 80 1235.0000000 1219.35437 1.27% 23.8 3s * 554 332 40 1232.0000000 1219.35600 1.03% 24.5 3s 701 413 1229.32236 42 127 1232.00000 1219.60868 1.01% 24.9 5s 1448 748 1225.25295 25 112 1232.00000 1220.51439 0.93% 30.0 10s * 2615 1285 57 1231.0000000 1221.29429 0.79% 29.1 14s * 2641 1124 42 1230.0000000 1221.30369 0.71% 29.0 14s 2893 1257 1228.48445 38 84 1230.00000 1221.43939 0.70% 29.1 15s 4369 2100 1228.09336 40 106 1230.00000 1222.04728 0.65% 29.0 20s * 5237 2215 47 1229.0000000 1222.29510 0.55% 28.8 22s * 5294 1796 31 1228.0000000 1222.29934 0.46% 28.8 22s 5401 1842 1223.96161 23 127 1228.00000 1222.32344 0.46% 28.7 25s 6105 2071 1223.69040 33 113 1228.00000 1222.32344 0.46% 29.4 30s 7755 2233 1226.61056 33 101 1228.00000 1222.32344 0.46% 29.1 35s 9252 2257 1225.45567 33 109 1228.00000 1222.81346 0.42% 28.9 40s 10749 2172 1226.28260 40 107 1228.00000 1223.18523 0.39% 28.6 45s 12449 2472 cutoff 36 1228.00000 1223.52540 0.36% 28.4 50s 14342 2771 1224.33128 36 104 1228.00000 1223.83001 0.34% 28.1 55s 16378 3007 1224.48935 39 121 1228.00000 1224.09628 0.32% 27.8 60s 18451 3141 1226.72673 37 126 1228.00000 1224.35994 0.30% 27.5 65s 20661 3233 1225.01889 37 107 1228.00000 1224.58009 0.28% 27.3 70s 22879 3199 1225.70951 43 106 1228.00000 1224.81378 0.26% 27.0 75s 25188 3048 cutoff 44 1228.00000 1225.04091 0.24% 26.7 80s 27534 2766 1226.92544 36 114 1228.00000 1225.27535 0.22% 26.5 85s 29685 2379 1226.69990 41 117 1228.00000 1225.50091 0.20% 26.2 90s 31900 1808 1226.28607 42 109 1228.00000 1225.76818 0.18% 25.9 95s 34135 811 cutoff 41 1228.00000 1226.20544 0.15% 25.5 100s Cutting planes: Gomory: 10 MIR: 1 Zero half: 7 Explored 35266 nodes (885180 simplex iterations) in 101.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(9, 46), (9, 47), (11, 64), (11, 71), (12, 20), (12, 65), (15, 39), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (20, 63), (21, 31), (21, 67), (22, 73), (22, 74), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (30, 79), (31, 33), (32, 89), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (39, 87), (40, 68), (42, 58), (43, 44), (43, 101), (45, 92), (47, 48), (50, 65), (57, 76), (62, 85), (63, 89), (64, 91), (66, 72), (67, 72), (73, 76), (74, 75), (92, 101)] adding cut for [(34, 80), (34, 82), (4, 78), (4, 80), (10, 82), (10, 52), (2, 52)] adding cut for [(38, 99), (38, 93), (86, 99), (86, 94), (88, 98), (60, 94), (93, 98)] Optimize a model with 460 rows, 5050 columns and 101378 nonzeros Presolve time: 0.09s Presolved: 460 rows, 5050 columns, 101378 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216392e+03, 397 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.39168 0 124 3924.00000 1216.39168 69.0% - 0s Another try with MIP start H 0 0 1246.0000000 1216.39168 2.38% - 0s H 0 0 1237.0000000 1216.39168 1.67% - 0s 0 0 1217.44219 0 127 1237.00000 1217.44219 1.58% - 1s 0 0 1217.44219 0 123 1237.00000 1217.44219 1.58% - 1s 0 0 1217.64716 0 126 1237.00000 1217.64716 1.56% - 1s 0 0 1217.72753 0 128 1237.00000 1217.72753 1.56% - 1s 0 0 1217.72753 0 132 1237.00000 1217.72753 1.56% - 1s 0 0 1217.77438 0 129 1237.00000 1217.77438 1.55% - 1s 0 0 1217.84533 0 130 1237.00000 1217.84533 1.55% - 2s 0 0 1217.93427 0 142 1237.00000 1217.93427 1.54% - 2s 0 0 1217.93427 0 143 1237.00000 1217.93427 1.54% - 2s 0 0 1217.94318 0 143 1237.00000 1217.94318 1.54% - 2s 0 0 1217.95976 0 139 1237.00000 1217.95976 1.54% - 2s 0 0 1217.96353 0 141 1237.00000 1217.96353 1.54% - 2s 0 0 1217.96832 0 144 1237.00000 1217.96832 1.54% - 2s 0 2 1217.97171 0 144 1237.00000 1217.97171 1.54% - 3s * 424 315 70 1233.0000000 1218.98620 1.14% 27.5 4s 601 466 1224.74578 16 127 1233.00000 1219.59846 1.09% 28.0 5s * 1163 649 49 1231.0000000 1219.98770 0.89% 31.6 9s 1211 662 1226.03036 36 104 1231.00000 1220.02405 0.89% 31.3 10s 2705 1361 cutoff 33 1231.00000 1221.34977 0.78% 29.1 15s * 3050 1450 44 1230.0000000 1221.57541 0.68% 29.0 16s 4180 2113 1228.27925 30 110 1230.00000 1222.11804 0.64% 28.8 20s 5548 2838 1227.45291 36 113 1230.00000 1222.51737 0.61% 28.4 25s 6987 3573 1228.09492 38 108 1230.00000 1222.75368 0.59% 28.2 30s 8618 4455 cutoff 24 1230.00000 1223.10661 0.56% 27.9 35s 10185 5203 1228.41992 25 94 1230.00000 1223.36598 0.54% 27.5 40s 11807 5941 1227.95652 31 109 1230.00000 1223.58052 0.52% 27.2 45s *12994 5675 37 1229.0000000 1223.69403 0.43% 27.0 47s 13101 5710 1224.49826 26 127 1229.00000 1223.70904 0.43% 27.0 51s 13751 5929 1224.48876 29 107 1229.00000 1223.70904 0.43% 27.3 55s 15218 6181 1225.23147 36 113 1229.00000 1223.70904 0.43% 27.5 60s 16817 6343 1226.31668 29 114 1229.00000 1223.70904 0.43% 27.6 65s H17460 5887 1228.0000000 1223.70904 0.35% 27.6 66s 18608 5806 1226.34768 34 111 1228.00000 1223.70904 0.35% 27.6 70s 20402 5658 cutoff 41 1228.00000 1223.70904 0.35% 27.5 75s 22232 5337 cutoff 36 1228.00000 1223.88518 0.34% 27.4 80s 24131 4942 1224.57997 30 119 1228.00000 1224.11269 0.32% 27.3 85s 26051 4454 1226.05763 34 119 1228.00000 1224.32629 0.30% 27.1 90s 28185 3833 1226.27185 34 116 1228.00000 1224.58887 0.28% 26.9 95s 30436 3426 1226.86679 29 111 1228.00000 1224.82038 0.26% 26.7 100s 32899 3262 1226.70933 31 116 1228.00000 1225.06392 0.24% 26.4 105s 35377 2942 1226.82068 32 108 1228.00000 1225.30263 0.22% 26.2 110s 37864 2462 1226.45217 36 106 1228.00000 1225.57444 0.20% 25.9 115s 40654 1594 1226.21677 32 122 1228.00000 1225.97863 0.16% 25.5 120s 42215 718 cutoff 32 1228.00000 1226.36401 0.13% 25.2 125s Cutting planes: Gomory: 6 MIR: 1 Zero half: 9 Explored 43128 nodes (1073170 simplex iterations) in 126.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (4, 30), (4, 80), (8, 89), (9, 46), (9, 49), (11, 63), (11, 91), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 92), (18, 46), (18, 62), (21, 33), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (33, 91), (35, 36), (35, 79), (36, 72), (39, 87), (40, 68), (43, 44), (45, 87), (45, 92), (49, 83), (55, 56), (57, 76), (63, 89), (66, 67), (66, 72), (73, 75), (73, 76), (79, 80)] adding cut for [(64, 65), (37, 47), (37, 50), (12, 64), (12, 20), (47, 48), (50, 65), (20, 48)] adding cut for [(99, 101), (38, 99), (38, 93), (86, 101), (86, 94), (60, 93), (94, 100)] Optimize a model with 463 rows, 5050 columns and 102469 nonzeros Presolve time: 0.09s Presolved: 463 rows, 5050 columns, 102469 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216392e+03, 358 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.39168 0 124 3924.00000 1216.39168 69.0% - 0s Another try with MIP start H 0 0 1234.0000000 1216.39168 1.43% - 0s 0 0 1217.44219 0 127 1234.00000 1217.44219 1.34% - 1s 0 0 1217.44219 0 124 1234.00000 1217.44219 1.34% - 1s 0 0 1217.64949 0 127 1234.00000 1217.64949 1.33% - 1s 0 0 1217.72753 0 129 1234.00000 1217.72753 1.32% - 1s 0 0 1217.72753 0 130 1234.00000 1217.72753 1.32% - 1s 0 0 1217.74621 0 131 1234.00000 1217.74621 1.32% - 1s 0 0 1217.74621 0 133 1234.00000 1217.74621 1.32% - 1s 0 0 1217.75255 0 135 1234.00000 1217.75255 1.32% - 2s 0 0 1217.88129 0 136 1234.00000 1217.88129 1.31% - 2s 0 0 1217.88129 0 136 1234.00000 1217.88129 1.31% - 2s 0 0 1217.88129 0 137 1234.00000 1217.88129 1.31% - 2s 0 0 1217.88848 0 136 1234.00000 1217.88848 1.31% - 2s 0 0 1217.88848 0 137 1234.00000 1217.88848 1.31% - 2s 0 0 1217.88848 0 138 1234.00000 1217.88848 1.31% - 2s 0 0 1217.88848 0 139 1234.00000 1217.88848 1.31% - 2s 0 0 1217.88848 0 138 1234.00000 1217.88848 1.31% - 2s 0 2 1217.89019 0 138 1234.00000 1217.89019 1.31% - 2s * 332 265 48 1231.0000000 1218.79157 0.99% 28.8 4s 601 429 1222.94855 15 127 1231.00000 1218.99009 0.98% 29.1 5s 986 615 1220.06610 16 126 1231.00000 1219.88902 0.90% 32.5 10s * 2015 922 44 1230.0000000 1221.40551 0.70% 29.9 13s 2492 1216 1222.61789 17 125 1230.00000 1221.84198 0.66% 29.3 15s 4145 2182 1228.17417 34 110 1230.00000 1222.46443 0.61% 28.3 20s * 4898 2257 34 1229.0000000 1222.64338 0.52% 28.2 21s 5950 2700 1224.71165 21 121 1229.00000 1222.96625 0.49% 27.8 25s 7753 3445 1224.89997 24 118 1229.00000 1223.31418 0.46% 27.3 30s 9552 4103 1227.93608 28 114 1229.00000 1223.61649 0.44% 27.0 35s 11640 4796 1227.59581 28 113 1229.00000 1223.89476 0.42% 26.6 40s 13732 5408 1227.34754 27 101 1229.00000 1224.11519 0.40% 26.3 45s *14319 4467 33 1228.0000000 1224.16973 0.31% 26.2 46s 14410 4478 1225.00379 27 127 1228.00000 1224.17645 0.31% 26.2 50s 15227 4693 1226.98077 36 111 1228.00000 1224.17645 0.31% 26.6 55s 16891 4815 1226.17650 37 104 1228.00000 1224.17645 0.31% 26.7 60s 18464 4814 1224.17645 38 112 1228.00000 1224.17645 0.31% 26.6 65s 20623 4671 1224.17645 38 114 1228.00000 1224.17645 0.31% 26.5 70s 22865 4368 1226.50136 39 104 1228.00000 1224.17645 0.31% 26.4 75s 25128 3909 1225.91103 43 117 1228.00000 1224.28290 0.30% 26.2 80s 27468 3329 1226.98198 41 102 1228.00000 1224.52287 0.28% 26.0 85s 29920 3285 1226.41203 39 121 1228.00000 1224.77180 0.26% 25.8 90s 32387 3288 1226.68413 42 100 1228.00000 1224.99951 0.24% 25.6 95s 34859 3110 1225.30935 40 113 1228.00000 1225.23366 0.23% 25.3 100s 36647 2883 1226.97068 41 103 1228.00000 1225.41618 0.21% 25.2 105s 39422 2250 1226.27811 38 101 1228.00000 1225.72611 0.19% 24.9 110s 41710 1487 1226.95833 40 96 1228.00000 1226.01529 0.16% 24.6 115s Cutting planes: Gomory: 9 MIR: 1 Zero half: 6 Mod-K: 1 Explored 44100 nodes (1061409 simplex iterations) in 118.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(10, 52), (10, 72), (12, 64), (12, 65), (20, 49), (20, 63), (21, 31), (21, 33), (25, 30), (25, 81), (30, 79), (31, 52), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (48, 49), (50, 65), (63, 89), (64, 91), (66, 67), (67, 72), (69, 81)] adding cut for [(6, 85), (15, 39), (15, 44), (16, 44), (16, 58), (17, 62), (17, 87), (18, 62), (18, 85), (23, 42), (23, 75), (24, 57), (24, 68), (26, 40), (26, 56), (39, 45), (40, 68), (42, 58), (45, 87), (55, 56), (57, 76), (73, 74), (73, 76), (74, 75)] adding cut for [(38, 99), (38, 60), (92, 101), (43, 101), (43, 88), (86, 92), (86, 94), (60, 100), (94, 99)] adding cut for [(34, 82), (34, 51), (4, 78), (4, 80), (77, 78), (80, 82)] Optimize a model with 467 rows, 5050 columns and 103160 nonzeros Presolve time: 0.09s Presolved: 467 rows, 5050 columns, 103160 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216392e+03, 399 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.39168 0 123 3924.00000 1216.39168 69.0% - 0s Another try with MIP start H 0 0 1238.0000000 1216.39168 1.75% - 0s 0 0 1217.44219 0 126 1238.00000 1217.44219 1.66% - 1s 0 0 1217.44219 0 123 1238.00000 1217.44219 1.66% - 1s 0 0 1217.64949 0 126 1238.00000 1217.64949 1.64% - 1s 0 0 1217.72753 0 128 1238.00000 1217.72753 1.64% - 1s 0 0 1217.72753 0 132 1238.00000 1217.72753 1.64% - 2s 0 0 1217.77447 0 131 1238.00000 1217.77447 1.63% - 2s 0 0 1217.84724 0 135 1238.00000 1217.84724 1.63% - 2s 0 0 1217.90402 0 138 1238.00000 1217.90402 1.62% - 2s 0 0 1217.90402 0 139 1238.00000 1217.90402 1.62% - 2s 0 0 1217.92560 0 140 1238.00000 1217.92560 1.62% - 2s 0 0 1217.92560 0 141 1238.00000 1217.92560 1.62% - 2s 0 0 1217.93545 0 137 1238.00000 1217.93545 1.62% - 2s 0 0 1217.93649 0 142 1238.00000 1217.93649 1.62% - 2s 0 0 1217.93959 0 143 1238.00000 1217.93959 1.62% - 3s 0 2 1217.93986 0 143 1238.00000 1217.93986 1.62% - 3s * 217 188 67 1235.0000000 1218.98005 1.30% 31.9 3s 601 503 1228.74786 43 126 1235.00000 1219.16746 1.28% 27.5 5s * 895 589 49 1232.0000000 1219.36468 1.03% 32.0 9s 1101 680 1226.88420 39 112 1232.00000 1219.50425 1.01% 32.8 10s * 1131 608 53 1230.0000000 1219.50425 0.85% 32.8 10s 1770 817 1221.47410 33 116 1230.00000 1220.26657 0.79% 33.5 15s 3214 1153 1225.17442 37 116 1230.00000 1221.76505 0.67% 30.9 20s 4581 1834 1225.67409 42 109 1230.00000 1222.30993 0.63% 30.4 25s * 5925 2213 56 1229.0000000 1222.81255 0.50% 29.7 28s 6381 2369 1224.23142 35 117 1229.00000 1222.92697 0.49% 29.5 30s 7742 2814 1225.96673 40 118 1229.00000 1223.35064 0.46% 29.2 35s 9234 3298 1227.45647 41 108 1229.00000 1223.64844 0.44% 28.9 40s 10939 3799 1226.57830 41 118 1229.00000 1223.94846 0.41% 28.5 45s 12961 4280 1227.49787 39 114 1229.00000 1224.20655 0.39% 28.2 50s 14969 4721 1227.58584 42 118 1229.00000 1224.38596 0.38% 27.8 55s *15016 3679 48 1228.0000000 1224.39001 0.29% 27.8 55s 17136 3650 1226.17196 44 102 1228.00000 1224.70887 0.27% 27.5 60s 19239 3521 cutoff 45 1228.00000 1224.98753 0.25% 27.2 65s 21338 3308 1225.83539 36 104 1228.00000 1225.22524 0.23% 26.9 70s 23272 2978 1225.67111 37 118 1228.00000 1225.45236 0.21% 26.6 75s 25780 2360 1226.87746 40 113 1228.00000 1225.80592 0.18% 26.2 80s 27967 1413 cutoff 42 1228.00000 1226.23529 0.14% 25.7 85s Cutting planes: Gomory: 8 MIR: 1 Zero half: 5 Mod-K: 1 Explored 29819 nodes (741911 simplex iterations) in 87.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(5, 26), (5, 40), (8, 49), (9, 47), (9, 83), (12, 20), (12, 63), (15, 39), (15, 44), (16, 42), (16, 44), (17, 62), (17, 87), (18, 46), (18, 87), (20, 48), (21, 33), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 56), (30, 79), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (38, 99), (38, 101), (39, 45), (40, 68), (45, 92), (46, 47), (49, 83), (50, 65), (57, 73), (62, 86), (63, 89), (64, 65), (64, 91), (66, 67), (66, 72), (73, 74), (74, 75), (75, 76), (86, 94), (92, 101), (93, 94), (93, 99)] adding cut for [(4, 78), (4, 80), (69, 78), (69, 81), (10, 82), (10, 52), (11, 71), (80, 82), (55, 81), (31, 71), (31, 52)] Optimize a model with 469 rows, 5050 columns and 104711 nonzeros Presolve time: 0.09s Presolved: 469 rows, 5050 columns, 104711 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216712e+03, 378 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.71195 0 119 3924.00000 1216.71195 69.0% - 0s Another try with MIP start H 0 0 1236.0000000 1216.71195 1.56% - 0s 0 0 1217.66425 0 132 1236.00000 1217.66425 1.48% - 1s 0 0 1217.66425 0 118 1236.00000 1217.66425 1.48% - 1s 0 0 1217.81167 0 135 1236.00000 1217.81167 1.47% - 1s 0 0 1218.02743 0 136 1236.00000 1218.02743 1.45% - 1s 0 0 1218.08829 0 125 1236.00000 1218.08829 1.45% - 1s 0 0 1218.19525 0 133 1236.00000 1218.19525 1.44% - 2s 0 0 1218.19831 0 140 1236.00000 1218.19831 1.44% - 2s 0 0 1218.21827 0 140 1236.00000 1218.21827 1.44% - 2s 0 0 1218.21959 0 141 1236.00000 1218.21959 1.44% - 2s 0 0 1218.32605 0 141 1236.00000 1218.32605 1.43% - 2s 0 0 1218.39262 0 140 1236.00000 1218.39262 1.42% - 2s 0 0 1218.39725 0 140 1236.00000 1218.39725 1.42% - 2s 0 0 1218.39732 0 144 1236.00000 1218.39732 1.42% - 2s 0 2 1218.39735 0 144 1236.00000 1218.39735 1.42% - 2s 601 532 1231.64029 86 132 1236.00000 1219.36083 1.35% 25.0 5s H 851 610 1233.0000000 1219.48498 1.10% 29.2 10s * 1059 563 62 1229.0000000 1219.91970 0.74% 30.2 10s 1468 689 1222.19130 31 132 1229.00000 1220.34054 0.70% 31.4 15s 2913 1044 1227.36022 65 106 1229.00000 1222.31027 0.54% 30.1 20s 4613 1827 1225.32511 37 120 1229.00000 1223.20508 0.47% 29.0 25s 6479 2624 1225.18662 42 110 1229.00000 1223.71279 0.43% 27.9 30s 8117 3219 1227.32648 45 104 1229.00000 1224.00607 0.41% 27.3 35s 9857 3874 1226.07733 39 118 1229.00000 1224.24053 0.39% 26.8 40s 11900 4476 1226.47122 41 121 1229.00000 1224.49240 0.37% 26.5 45s 13923 5058 1227.07091 39 113 1229.00000 1224.70003 0.35% 26.3 50s 16195 5566 1226.57508 39 125 1229.00000 1224.90521 0.33% 26.0 55s 18467 5976 cutoff 49 1229.00000 1225.07934 0.32% 25.7 60s 20773 6366 1226.34828 52 113 1229.00000 1225.23223 0.31% 25.5 65s 23114 6680 1225.54333 41 118 1229.00000 1225.36249 0.30% 25.3 70s 25269 6974 1227.79264 47 104 1229.00000 1225.47487 0.29% 25.1 75s 27806 7260 1227.96324 46 106 1229.00000 1225.58961 0.28% 24.9 80s 30568 7462 1227.45475 44 113 1229.00000 1225.70860 0.27% 24.6 85s 33482 7644 cutoff 46 1229.00000 1225.82701 0.26% 24.3 90s 36004 7724 1227.97373 45 112 1229.00000 1225.91377 0.25% 24.1 95s 39062 7772 1227.70121 45 113 1229.00000 1226.02636 0.24% 23.8 100s 41133 7711 1227.12189 40 122 1229.00000 1226.10582 0.24% 23.7 105s 41810 7721 cutoff 51 1229.00000 1226.12368 0.23% 23.6 116s 43988 7607 cutoff 42 1229.00000 1226.20107 0.23% 23.5 120s 46949 7364 1227.17280 47 98 1229.00000 1226.30948 0.22% 23.3 125s 49476 7140 1227.71249 42 116 1229.00000 1226.39505 0.21% 23.1 130s 52670 6761 1227.05556 44 88 1229.00000 1226.50515 0.20% 22.9 135s *55693 2702 48 1228.0000000 1226.61111 0.11% 22.7 139s 55703 2694 1226.88767 40 108 1228.00000 1226.61180 0.11% 22.7 140s Cutting planes: Gomory: 8 MIR: 1 Zero half: 8 Mod-K: 1 Explored 58575 nodes (1282114 simplex iterations) in 144.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228000000000e+03, best bound 1.228000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (4, 30), (4, 80), (9, 46), (9, 47), (12, 64), (12, 65), (15, 43), (15, 45), (16, 44), (16, 58), (17, 62), (17, 87), (18, 46), (18, 85), (20, 48), (20, 49), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 81), (26, 40), (26, 56), (33, 67), (33, 91), (35, 36), (35, 79), (36, 66), (37, 48), (37, 50), (39, 45), (39, 87), (40, 68), (43, 44), (47, 49), (50, 65), (55, 56), (57, 76), (62, 85), (64, 91), (66, 72), (67, 72), (69, 81), (79, 80)] adding cut for [(6, 100), (6, 84), (93, 99), (86, 92), (86, 94), (38, 99), (38, 101), (92, 101), (61, 84), (94, 100)] Optimize a model with 471 rows, 5050 columns and 105894 nonzeros Presolve time: 0.09s Presolved: 471 rows, 5050 columns, 105894 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216713e+03, 408 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.71292 0 120 3924.00000 1216.71292 69.0% - 0s Another try with MIP start H 0 0 1241.0000000 1216.71292 1.96% - 0s 0 0 1217.66425 0 133 1241.00000 1217.66425 1.88% - 1s 0 0 1217.66425 0 121 1241.00000 1217.66425 1.88% - 1s 0 0 1217.69144 0 137 1241.00000 1217.69144 1.88% - 1s 0 0 1217.80508 0 133 1241.00000 1217.80508 1.87% - 1s 0 0 1217.81281 0 135 1241.00000 1217.81281 1.87% - 1s 0 0 1217.92229 0 136 1241.00000 1217.92229 1.86% - 1s 0 0 1218.11941 0 138 1241.00000 1218.11941 1.84% - 1s 0 0 1218.13731 0 138 1241.00000 1218.13731 1.84% - 2s 0 0 1218.19076 0 138 1241.00000 1218.19076 1.84% - 2s 0 0 1218.19076 0 139 1241.00000 1218.19076 1.84% - 2s 0 0 1218.19799 0 141 1241.00000 1218.19799 1.84% - 2s 0 0 1218.19799 0 142 1241.00000 1218.19799 1.84% - 2s 0 0 1218.19915 0 143 1241.00000 1218.19915 1.84% - 2s 0 2 1218.19970 0 143 1241.00000 1218.19970 1.84% - 2s H 55 55 1237.0000000 1218.29266 1.51% 34.0 3s 376 344 1228.64311 43 93 1237.00000 1219.07715 1.45% 26.8 5s 842 654 1220.83822 14 127 1237.00000 1220.29029 1.35% 29.9 10s * 990 648 88 1234.0000000 1220.29029 1.11% 29.9 10s * 1186 694 55 1233.0000000 1220.34616 1.03% 30.3 11s 1309 742 1222.08543 21 142 1233.00000 1220.51531 1.01% 30.0 15s 2599 1264 1226.36384 34 117 1233.00000 1221.47256 0.93% 31.6 20s * 2767 1209 69 1232.0000000 1221.66524 0.84% 31.1 20s * 3753 1487 56 1231.0000000 1222.33430 0.70% 30.7 24s 3950 1594 1226.66667 34 80 1231.00000 1222.48679 0.69% 30.6 25s * 4008 1353 62 1230.0000000 1222.48679 0.61% 30.5 25s 5693 2183 1225.37500 30 111 1230.00000 1223.12967 0.56% 30.1 30s * 7078 2351 48 1229.0000000 1223.43658 0.45% 29.7 34s 7192 2378 cutoff 44 1229.00000 1223.45487 0.45% 29.6 35s 7263 2416 1223.45621 37 125 1229.00000 1223.45621 0.45% 29.8 40s 8509 2684 1224.49017 41 121 1229.00000 1223.45621 0.45% 30.1 45s 9984 2883 1225.53588 45 117 1229.00000 1223.45621 0.45% 29.8 50s 11736 2943 1226.03296 43 116 1229.00000 1223.50721 0.45% 29.5 55s 13557 2928 cutoff 46 1229.00000 1223.89151 0.42% 29.2 60s 15352 3170 cutoff 46 1229.00000 1224.17849 0.39% 28.8 65s 17325 3643 1226.86984 45 104 1229.00000 1224.44963 0.37% 28.5 70s 19474 4013 1226.17537 42 119 1229.00000 1224.67120 0.35% 28.2 75s 21634 4388 1226.33844 44 110 1229.00000 1224.90679 0.33% 28.0 80s 23555 4575 cutoff 46 1229.00000 1225.07496 0.32% 27.8 85s 25849 4855 1226.93343 44 111 1229.00000 1225.25196 0.30% 27.5 90s 28130 5006 1227.71429 50 64 1229.00000 1225.42864 0.29% 27.3 95s 30365 5135 1226.23719 44 119 1229.00000 1225.57841 0.28% 27.0 100s 32232 5191 1227.60406 47 99 1229.00000 1225.68541 0.27% 26.9 105s 34294 5216 1227.34064 43 114 1229.00000 1225.80232 0.26% 26.7 110s 37181 5198 cutoff 47 1229.00000 1225.93895 0.25% 26.3 115s 40077 5090 1227.26375 44 113 1229.00000 1226.08731 0.24% 26.0 120s 42519 4914 1226.72889 42 108 1229.00000 1226.20965 0.23% 25.7 125s 45577 4646 cutoff 46 1229.00000 1226.35202 0.22% 25.4 130s 48172 4250 1227.72344 43 107 1229.00000 1226.49169 0.20% 25.1 135s 51229 3683 cutoff 48 1229.00000 1226.65552 0.19% 24.8 140s 54475 2968 1227.68183 51 91 1229.00000 1226.84683 0.18% 24.4 145s 57753 1823 1227.75272 48 99 1229.00000 1227.12709 0.15% 24.1 150s Cutting planes: Gomory: 7 Zero half: 6 Explored 60675 nodes (1429209 simplex iterations) in 154.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.229000000000e+03, best bound 1.229000000000e+03, gap 0.0% adding cut for [(3, 42), (3, 58), (12, 64), (12, 65), (15, 39), (15, 44), (16, 44), (16, 58), (18, 46), (18, 87), (20, 48), (20, 49), (21, 33), (21, 67), (23, 42), (23, 75), (24, 57), (24, 68), (25, 30), (25, 55), (26, 40), (26, 56), (30, 80), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 45), (40, 68), (45, 87), (46, 47), (47, 49), (50, 65), (55, 56), (57, 76), (64, 91), (66, 67), (66, 72), (73, 75), (73, 76), (79, 80)] adding cut for [(19, 83), (38, 99), (38, 101), (6, 85), (6, 62), (9, 83), (9, 84), (43, 88), (43, 101), (94, 99), (17, 92), (17, 62), (84, 85), (86, 94), (86, 92)] adding cut for [(34, 82), (4, 34), (4, 78), (8, 89), (10, 82), (10, 52), (11, 71), (11, 63), (63, 89), (31, 71), (31, 52)] Optimize a model with 474 rows, 5050 columns and 106983 nonzeros Presolve time: 0.09s Presolved: 474 rows, 5050 columns, 106983 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216713e+03, 408 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.71292 0 119 3924.00000 1216.71292 69.0% - 0s Another try with MIP start H 0 0 1241.0000000 1216.71292 1.96% - 1s 0 0 1217.66425 0 132 1241.00000 1217.66425 1.88% - 1s 0 0 1217.66425 0 118 1241.00000 1217.66425 1.88% - 1s 0 0 1217.69939 0 137 1241.00000 1217.69939 1.88% - 1s 0 0 1217.81323 0 132 1241.00000 1217.81323 1.87% - 1s 0 0 1217.96422 0 132 1241.00000 1217.96422 1.86% - 2s 0 0 1218.03960 0 137 1241.00000 1218.03960 1.85% - 2s 0 0 1218.19988 0 142 1241.00000 1218.19988 1.84% - 2s 0 0 1218.20424 0 143 1241.00000 1218.20424 1.84% - 2s 0 0 1218.22080 0 145 1241.00000 1218.22080 1.84% - 2s 0 0 1218.22911 0 147 1241.00000 1218.22911 1.83% - 2s 0 0 1218.30479 0 140 1241.00000 1218.30479 1.83% - 2s 0 0 1218.31956 0 145 1241.00000 1218.31956 1.83% - 2s 0 0 1218.31956 0 146 1241.00000 1218.31956 1.83% - 2s 0 0 1218.31956 0 146 1241.00000 1218.31956 1.83% - 2s 0 2 1218.32178 0 145 1241.00000 1218.32178 1.83% - 2s * 110 110 60 1237.0000000 1219.16735 1.44% 33.5 3s * 119 115 65 1236.0000000 1219.16735 1.36% 32.8 3s H 121 109 1235.0000000 1219.16735 1.28% 32.4 3s 533 450 1229.90476 27 92 1235.00000 1220.00968 1.21% 28.4 5s 787 606 1229.98376 46 101 1235.00000 1220.03300 1.21% 29.5 10s * 1210 669 51 1232.0000000 1220.26115 0.95% 31.1 12s * 1303 619 32 1231.0000000 1220.53453 0.85% 30.9 12s 1427 679 1222.63303 32 130 1231.00000 1220.58111 0.85% 31.5 15s 2533 1101 1228.49825 41 99 1231.00000 1221.52709 0.77% 31.9 20s * 3627 1339 61 1230.0000000 1222.05786 0.65% 30.5 23s 4079 1622 cutoff 48 1230.00000 1222.18538 0.64% 30.5 25s H 5035 1829 1229.0000000 1222.66325 0.52% 29.8 28s 5637 2089 1227.85029 40 95 1229.00000 1222.91208 0.50% 29.7 30s 7211 2675 1224.16481 34 114 1229.00000 1223.36132 0.46% 29.1 35s 8820 3173 1223.79608 38 121 1229.00000 1223.64245 0.44% 28.8 40s 10468 3726 cutoff 46 1229.00000 1223.89175 0.42% 28.3 45s 12368 4257 1227.08964 38 110 1229.00000 1224.13581 0.40% 28.0 50s 14275 4770 1227.38929 37 113 1229.00000 1224.31069 0.38% 27.7 55s 16249 5198 1227.96063 47 108 1229.00000 1224.46170 0.37% 27.5 60s 18295 5643 1227.35504 44 113 1229.00000 1224.62480 0.36% 27.2 65s 20178 6058 1227.02380 42 103 1229.00000 1224.77320 0.34% 27.0 70s 22307 6471 1227.76121 38 122 1229.00000 1224.90221 0.33% 26.8 75s 24426 6817 1226.75723 38 121 1229.00000 1225.03846 0.32% 26.6 80s 26665 7208 1226.72366 44 108 1229.00000 1225.14391 0.31% 26.4 85s 29230 7513 1225.89257 38 123 1229.00000 1225.26017 0.30% 26.0 90s 31867 7772 cutoff 40 1229.00000 1225.38184 0.29% 25.7 95s 34637 7996 1225.97564 39 100 1229.00000 1225.50421 0.28% 25.4 100s 37330 8156 1227.37644 39 105 1229.00000 1225.61383 0.28% 25.2 105s 39758 8238 cutoff 34 1229.00000 1225.70819 0.27% 24.9 110s 40804 8259 cutoff 42 1229.00000 1225.74806 0.26% 24.8 124s 40896 8258 cutoff 44 1229.00000 1225.75000 0.26% 24.8 125s 43047 8263 cutoff 44 1229.00000 1225.82153 0.26% 24.7 130s 45979 8307 1227.24544 42 99 1229.00000 1225.92801 0.25% 24.4 135s 48825 8223 1227.62494 40 108 1229.00000 1226.01916 0.24% 24.3 140s 51732 8136 cutoff 37 1229.00000 1226.11085 0.24% 24.0 145s 54665 8000 1226.84285 34 104 1229.00000 1226.20173 0.23% 23.8 150s 57344 7779 1227.47610 45 90 1229.00000 1226.28469 0.22% 23.7 155s 60301 7434 1227.19533 43 100 1229.00000 1226.38519 0.21% 23.5 160s 62693 7161 cutoff 45 1229.00000 1226.46125 0.21% 23.3 165s 65558 6730 1226.64382 42 94 1229.00000 1226.55720 0.20% 23.2 170s 68744 6141 cutoff 44 1229.00000 1226.67383 0.19% 23.0 175s 71342 5592 1227.10725 42 92 1229.00000 1226.77344 0.18% 22.8 180s 74016 4871 1227.67442 44 68 1229.00000 1226.89547 0.17% 22.6 185s 77223 3773 1227.18786 36 101 1229.00000 1227.06089 0.16% 22.4 190s 80596 2157 cutoff 38 1229.00000 1227.32370 0.14% 22.1 195s Cutting planes: Gomory: 8 Zero half: 8 Explored 83588 nodes (1814966 simplex iterations) in 199.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.229000000000e+03, best bound 1.229000000000e+03, gap 0.0% adding cut for [(4, 30), (4, 80), (6, 85), (8, 83), (9, 83), (9, 84), (12, 64), (12, 65), (15, 39), (15, 43), (16, 44), (16, 58), (17, 62), (17, 87), (18, 85), (18, 87), (20, 48), (20, 49), (21, 31), (21, 67), (23, 42), (23, 76), (24, 57), (24, 68), (25, 30), (25, 56), (26, 40), (26, 56), (31, 33), (33, 91), (35, 36), (35, 79), (36, 72), (37, 48), (37, 50), (39, 45), (40, 68), (42, 58), (43, 44), (45, 92), (46, 47), (46, 84), (47, 49), (50, 65), (57, 76), (62, 94), (64, 91), (66, 67), (66, 72), (79, 80), (86, 92), (86, 94)] adding cut for [(99, 101), (93, 99), (38, 93), (38, 101)] Optimize a model with 476 rows, 5050 columns and 108367 nonzeros Presolve time: 0.09s Presolved: 476 rows, 5050 columns, 108367 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216751e+03, 349 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.75129 0 123 3924.00000 1216.75129 69.0% - 0s Another try with MIP start H 0 0 1241.0000000 1216.75129 1.95% - 0s 0 0 1217.66425 0 132 1241.00000 1217.66425 1.88% - 1s 0 0 1217.66425 0 124 1241.00000 1217.66425 1.88% - 1s 0 0 1217.69542 0 136 1241.00000 1217.69542 1.88% - 1s 0 0 1217.79577 0 131 1241.00000 1217.79577 1.87% - 1s 0 0 1217.81556 0 132 1241.00000 1217.81556 1.87% - 2s 0 0 1217.84203 0 134 1241.00000 1217.84203 1.87% - 2s 0 0 1217.90532 0 136 1241.00000 1217.90532 1.86% - 2s 0 0 1217.91487 0 137 1241.00000 1217.91487 1.86% - 2s 0 0 1217.91808 0 143 1241.00000 1217.91808 1.86% - 2s 0 0 1217.92373 0 138 1241.00000 1217.92373 1.86% - 2s 0 0 1217.92373 0 139 1241.00000 1217.92373 1.86% - 2s 0 0 1217.92373 0 139 1241.00000 1217.92373 1.86% - 2s 0 2 1217.92444 0 139 1241.00000 1217.92444 1.86% - 2s 438 390 1227.29694 26 101 1241.00000 1218.48595 1.81% 24.5 5s * 516 354 72 1236.0000000 1218.48595 1.42% 24.3 5s H 606 408 1235.0000000 1218.51766 1.33% 25.2 6s 704 474 1228.88636 54 76 1235.00000 1218.84620 1.31% 27.5 10s * 1252 712 76 1234.0000000 1220.09554 1.13% 31.3 12s * 1729 797 51 1233.0000000 1221.04500 0.97% 30.4 14s 1811 854 1227.32214 40 105 1233.00000 1221.05870 0.97% 30.5 15s * 1991 831 47 1231.0000000 1221.09544 0.80% 30.3 15s H 2100 780 1230.0000000 1221.15225 0.72% 30.4 16s 2485 962 1227.62478 52 98 1230.00000 1221.15225 0.72% 31.6 20s 3906 1334 1228.46592 40 118 1230.00000 1222.06065 0.65% 30.5 25s H 3985 1197 1229.0000000 1222.09018 0.56% 30.4 25s 5297 1678 1223.18355 33 127 1229.00000 1222.68543 0.51% 29.9 30s 6756 2264 1226.53971 38 125 1229.00000 1223.25759 0.47% 29.4 35s 8330 2817 1227.53736 48 105 1229.00000 1223.63502 0.44% 28.8 40s 10035 3350 1225.64076 44 109 1229.00000 1223.90938 0.41% 28.3 45s 12087 3925 cutoff 39 1229.00000 1224.22909 0.39% 27.7 50s 14205 4389 1226.45545 34 117 1229.00000 1224.50278 0.37% 27.3 55s 16352 4820 1227.09845 45 102 1229.00000 1224.69686 0.35% 27.0 60s 18557 5177 1226.87496 31 109 1229.00000 1224.90138 0.33% 26.7 65s 20838 5538 1227.42770 40 125 1229.00000 1225.10048 0.32% 26.4 70s 23135 5860 1227.97556 46 88 1229.00000 1225.25706 0.30% 26.2 75s 25464 6143 1227.40709 41 105 1229.00000 1225.39886 0.29% 26.0 80s 27915 6353 1227.36944 44 116 1229.00000 1225.55061 0.28% 25.7 85s 30605 6499 cutoff 45 1229.00000 1225.70441 0.27% 25.4 90s 33002 6576 1227.62579 35 120 1229.00000 1225.82204 0.26% 25.1 95s 35904 6566 1226.51618 48 122 1229.00000 1225.95418 0.25% 24.8 100s 38566 6469 1227.83969 44 104 1229.00000 1226.07707 0.24% 24.6 105s 41108 6403 1227.83362 50 96 1229.00000 1226.18374 0.23% 24.3 121s 43424 6239 cutoff 56 1229.00000 1226.28063 0.22% 24.0 125s 46572 5998 cutoff 42 1229.00000 1226.39574 0.21% 23.7 130s 49926 5576 1227.53590 37 108 1229.00000 1226.52759 0.20% 23.4 135s 52594 5122 cutoff 37 1229.00000 1226.64373 0.19% 23.2 140s 55237 4572 cutoff 40 1229.00000 1226.76289 0.18% 23.0 145s 58727 3640 cutoff 35 1229.00000 1226.92627 0.17% 22.7 150s 62366 2244 cutoff 39 1229.00000 1227.17545 0.15% 22.3 155s 65900 143 cutoff 45 1229.00000 1227.87448 0.09% 21.8 160s Cutting planes: Gomory: 5 MIR: 1 Zero half: 6 Explored 66046 nodes (1439115 simplex iterations) in 160.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.229000000000e+03, best bound 1.229000000000e+03, gap 0.0% adding cut for [(43, 44), (43, 88), (4, 78), (4, 30), (40, 68), (42, 58), (23, 42), (23, 76), (16, 44), (16, 58), (24, 68), (24, 57), (57, 76), (25, 56), (25, 30), (26, 40), (26, 56)] adding cut for [(64, 65), (64, 91), (37, 50), (37, 48), (33, 91), (9, 46), (9, 47), (11, 32), (11, 33), (50, 65), (47, 48), (18, 46), (18, 85), (84, 85), (61, 84)] adding cut for [(34, 80), (34, 82), (35, 36), (35, 79), (36, 66), (10, 82), (10, 52), (67, 72), (66, 72), (79, 80), (51, 52), (21, 67), (21, 31), (31, 71)] adding cut for [(6, 100), (6, 62), (39, 87), (45, 92), (15, 39), (15, 45), (17, 62), (17, 87), (92, 99), (94, 99), (94, 100)] adding cut for [(38, 101), (38, 93), (86, 101), (60, 97), (60, 86), (93, 98)] Optimize a model with 481 rows, 5050 columns and 108821 nonzeros Presolve time: 0.09s Presolved: 481 rows, 5050 columns, 108821 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5050 integer (4950 binary) Found heuristic solution: objective 3924.0000000 Root relaxation: objective 1.216751e+03, 420 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1216.75129 0 123 3924.00000 1216.75129 69.0% - 0s Another try with MIP start H 0 0 1236.0000000 1216.75129 1.56% - 0s 0 0 1217.66425 0 132 1236.00000 1217.66425 1.48% - 1s 0 0 1217.66425 0 125 1236.00000 1217.66425 1.48% - 1s 0 0 1217.69515 0 136 1236.00000 1217.69515 1.48% - 1s 0 0 1217.78561 0 140 1236.00000 1217.78561 1.47% - 1s 0 0 1217.79753 0 141 1236.00000 1217.79753 1.47% - 1s 0 0 1217.80570 0 144 1236.00000 1217.80570 1.47% - 2s 0 0 1217.81007 0 144 1236.00000 1217.81007 1.47% - 2s 0 0 1217.81259 0 147 1236.00000 1217.81259 1.47% - 2s 0 0 1217.84451 0 144 1236.00000 1217.84451 1.47% - 2s 0 0 1218.02946 0 143 1236.00000 1218.02946 1.45% - 2s 0 0 1218.06704 0 135 1236.00000 1218.06704 1.45% - 2s 0 0 1218.06704 0 138 1236.00000 1218.06704 1.45% - 2s 0 0 1218.16428 0 141 1236.00000 1218.16428 1.44% - 2s 0 0 1218.16428 0 142 1236.00000 1218.16428 1.44% - 3s 0 0 1218.17097 0 145 1236.00000 1218.17097 1.44% - 3s 0 0 1218.20670 0 146 1236.00000 1218.20670 1.44% - 3s 0 0 1218.20670 0 147 1236.00000 1218.20670 1.44% - 3s 0 0 1218.20670 0 147 1236.00000 1218.20670 1.44% - 3s 0 0 1218.20670 0 148 1236.00000 1218.20670 1.44% - 3s 0 2 1218.22023 0 148 1236.00000 1218.22023 1.44% - 3s * 94 77 55 1231.0000000 1218.38853 1.02% 32.7 4s 533 389 1223.50693 9 133 1231.00000 1219.73962 0.91% 26.4 5s 1024 630 1229.20445 42 105 1231.00000 1219.77597 0.91% 31.2 10s 2256 1133 1225.60338 33 109 1231.00000 1221.31168 0.79% 29.6 15s 3645 2010 1225.13233 24 115 1231.00000 1221.86775 0.74% 28.7 20s 5042 2903 1224.54044 24 120 1231.00000 1222.29778 0.71% 28.4 25s * 5691 3044 37 1230.0000000 1222.46627 0.61% 28.4 27s 6393 3407 1223.98732 22 118 1230.00000 1222.60872 0.60% 28.2 30s 7947 4188 1226.89132 34 107 1230.00000 1222.95695 0.57% 28.3 35s 9770 5034 1227.92948 31 115 1230.00000 1223.22842 0.55% 28.1 40s 11528 5826 1227.35194 32 114 1230.00000 1223.44545 0.53% 27.9 45s 13229 6599 1228.56075 36 71 1230.00000 1223.65862 0.52% 27.7 50s 15112 7392 1224.93044 19 120 1230.00000 1223.82140 0.50% 27.6 55s *15326 6358 24 1229.0000000 1223.83187 0.42% 27.6 55s 16950 6799 1227.41188 33 100 1229.00000 1223.98869 0.41% 27.3 60s 18742 7254 1227.63030 25 112 1229.00000 1224.13896 0.40% 27.3 65s 20470 7669 1227.54016 24 115 1229.00000 1224.25815 0.39% 27.2 70s 22356 8086 1226.64751 25 105 1229.00000 1224.38347 0.38% 27.1 75s 24284 8513 1226.02952 29 109 1229.00000 1224.48693 0.37% 27.0 80s 26268 8907 1227.75932 30 105 1229.00000 1224.59840 0.36% 26.8 85s 28171 9295 1225.58769 19 118 1229.00000 1224.69923 0.35% 26.6 90s 30703 9727 cutoff 30 1229.00000 1224.83166 0.34% 26.4 95s 33318 10140 1227.33213 30 104 1229.00000 1224.94801 0.33% 26.1 100s 35868 10515 1226.53109 25 117 1229.00000 1225.04429 0.32% 25.9 105s 38434 10775 1226.05843 22 118 1229.00000 1225.13685 0.31% 25.8 110s 40804 11014 cutoff 34 1229.00000 1225.22699 0.31% 25.6 125s 42948 11200 1227.30054 25 102 1229.00000 1225.30313 0.30% 25.4 130s 45401 11312 cutoff 23 1229.00000 1225.40040 0.29% 25.3 135s 48083 11494 1227.33375 21 114 1229.00000 1225.49343 0.29% 25.2 140s 50596 11574 cutoff 31 1229.00000 1225.57980 0.28% 25.0 145s 52678 11645 1227.15852 30 109 1229.00000 1225.63884 0.27% 25.0 150s 55160 11723 1227.47979 22 110 1229.00000 1225.71801 0.27% 24.8 155s 57911 11757 1227.11642 27 106 1229.00000 1225.79379 0.26% 24.7 160s 60289 11762 1227.28889 26 98 1229.00000 1225.86101 0.26% 24.6 165s 63129 11715 1227.01724 27 104 1229.00000 1225.94232 0.25% 24.4 170s 65818 11604 cutoff 32 1229.00000 1226.01584 0.24% 24.3 175s Cutting planes: Gomory: 9 MIR: 1 Zero half: 5 Mod-K: 1 Explored 66916 nodes (1623432 simplex iterations) in 176.82 seconds Thread count was 1 (of 16 available processors) Time limit reached Best objective 1.229000000000e+03, best bound 1.227000000000e+03, gap 0.1627% Gurobi 5.0.1 (linux64) logging started Fri Dec 7 20:50:42 2012