Optimize a model with 198 rows, 19503 columns and 39006 nonzeros Presolve time: 0.01s Presolved: 198 rows, 19503 columns, 39006 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 5.0000000e+01 3.930000e+02 0.000000e+00 0s 277 1.1793000e+04 0.000000e+00 0.000000e+00 0s Solved in 277 iterations and 0.01 seconds Optimal objective 1.179300000e+04 Optimize a model with 224 rows, 19503 columns and 40473 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.1793000e+04 2.600000e+01 0.000000e+00 0s 46 1.2333500e+04 0.000000e+00 0.000000e+00 0s Solved in 46 iterations and 0.00 seconds Optimal objective 1.233350000e+04 Optimize a model with 237 rows, 19503 columns and 44121 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.2333500e+04 1.300000e+01 0.000000e+00 0s 37 1.2967000e+04 0.000000e+00 0.000000e+00 0s Solved in 37 iterations and 0.00 seconds Optimal objective 1.296700000e+04 Optimize a model with 245 rows, 19503 columns and 52254 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.2967000e+04 8.000000e+00 0.000000e+00 0s 32 1.5429500e+04 0.000000e+00 0.000000e+00 0s Solved in 32 iterations and 0.01 seconds Optimal objective 1.542950000e+04 Optimize a model with 253 rows, 19503 columns and 63330 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.5429500e+04 8.000000e+00 0.000000e+00 0s 18 1.5472750e+04 0.000000e+00 0.000000e+00 0s Solved in 18 iterations and 0.00 seconds Optimal objective 1.547275000e+04 Optimize a model with 258 rows, 19503 columns and 77074 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.5472750e+04 5.000000e+00 0.000000e+00 0s 13 1.5495750e+04 0.000000e+00 0.000000e+00 0s Solved in 13 iterations and 0.01 seconds Optimal objective 1.549575000e+04 Optimize a model with 261 rows, 19503 columns and 93448 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.5495750e+04 3.000000e+00 0.000000e+00 0s 10 1.5509750e+04 0.000000e+00 0.000000e+00 0s Solved in 10 iterations and 0.00 seconds Optimal objective 1.550975000e+04 Optimize a model with 263 rows, 19503 columns and 109550 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.5509750e+04 2.000000e+00 0.000000e+00 0s 4 1.5537250e+04 0.000000e+00 0.000000e+00 0s Solved in 4 iterations and 0.00 seconds Optimal objective 1.553725000e+04 Optimize a model with 266 rows, 19503 columns and 123486 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.5537250e+04 3.000000e+00 0.000000e+00 0s 6 1.5559750e+04 0.000000e+00 0.000000e+00 0s Solved in 6 iterations and 0.01 seconds Optimal objective 1.555975000e+04 Optimize a model with 266 rows, 19503 columns and 123486 nonzeros Presolve time: 0.14s Presolved: 266 rows, 19503 columns, 123486 nonzeros Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.555975e+04, 411 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15559.7500 0 72 - 15559.7500 - - 0s H 0 0 20188.000000 15559.7500 22.9% - 0s 0 0 15569.4167 0 110 20188.0000 15569.4167 22.9% - 0s 0 0 15584.5567 0 101 20188.0000 15584.5567 22.8% - 0s 0 0 15591.3056 0 105 20188.0000 15591.3056 22.8% - 0s 0 0 15593.4167 0 100 20188.0000 15593.4167 22.8% - 0s 0 0 15595.6250 0 127 20188.0000 15595.6250 22.7% - 0s 0 0 15596.9290 0 119 20188.0000 15596.9290 22.7% - 0s 0 0 15598.1204 0 110 20188.0000 15598.1204 22.7% - 0s 0 0 15599.1042 0 118 20188.0000 15599.1042 22.7% - 0s 0 0 15599.8056 0 119 20188.0000 15599.8056 22.7% - 1s 0 0 15602.9091 0 82 20188.0000 15602.9091 22.7% - 1s 0 0 15603.4898 0 123 20188.0000 15603.4898 22.7% - 1s 0 0 15606.2500 0 101 20188.0000 15606.2500 22.7% - 1s 0 0 15607.2923 0 103 20188.0000 15607.2923 22.7% - 1s 0 0 15607.8846 0 100 20188.0000 15607.8846 22.7% - 1s 0 0 15608.1471 0 120 20188.0000 15608.1471 22.7% - 1s 0 0 15608.1471 0 112 20188.0000 15608.1471 22.7% - 1s H 0 0 16396.000000 15608.1471 4.81% - 2s 0 0 15608.1471 0 72 16396.0000 15608.1471 4.81% - 2s 0 0 15608.1471 0 87 16396.0000 15608.1471 4.81% - 2s 0 0 15608.1471 0 102 16396.0000 15608.1471 4.81% - 2s 0 0 15608.1975 0 112 16396.0000 15608.1975 4.80% - 2s 0 0 15609.5417 0 99 16396.0000 15609.5417 4.80% - 2s 0 0 15609.5417 0 110 16396.0000 15609.5417 4.80% - 2s 0 0 15609.7212 0 89 16396.0000 15609.7212 4.80% - 3s 0 0 15609.7212 0 98 16396.0000 15609.7212 4.80% - 3s 0 0 15609.7212 0 98 16396.0000 15609.7212 4.80% - 3s H 0 0 15889.000000 15609.7212 1.76% - 4s H 0 0 15712.000000 15609.7212 0.65% - 4s 0 2 15609.8571 0 98 15712.0000 15609.8571 0.65% - 4s 174 141 15672.0000 28 6 15712.0000 15617.5000 0.60% 4.2 5s H 417 221 15674.000000 15620.0000 0.34% 3.9 5s H 609 317 15673.000000 15638.3831 0.22% 5.0 6s H 620 309 15653.000000 15651.8312 0.01% 5.8 6s Cutting planes: Gomory: 19 Zero half: 4 Explored 620 nodes (4931 simplex iterations) in 6.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.565300000000e+04, best bound 1.565200000000e+04, gap 0.0064% Optimize a model with 272 rows, 19503 columns and 129831 nonzeros Presolve time: 0.15s Presolved: 272 rows, 19503 columns, 129831 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.560175e+04, 404 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15601.7500 0 60 - 15601.7500 - - 0s Another try with MIP start H 0 0 17214.000000 15601.7500 9.37% - 0s 0 0 15610.7500 0 104 17214.0000 15610.7500 9.31% - 0s 0 0 15617.8333 0 75 17214.0000 15617.8333 9.27% - 0s 0 0 15620.7778 0 92 17214.0000 15620.7778 9.26% - 0s 0 0 15628.4872 0 126 17214.0000 15628.4872 9.21% - 0s 0 0 15629.7917 0 108 17214.0000 15629.7917 9.20% - 0s 0 0 15630.8417 0 114 17214.0000 15630.8417 9.20% - 0s 0 0 15631.1417 0 106 17214.0000 15631.1417 9.20% - 0s 0 0 15631.4107 0 110 17214.0000 15631.4107 9.19% - 0s 0 0 15632.3281 0 116 17214.0000 15632.3281 9.19% - 1s 0 0 15634.3029 0 125 17214.0000 15634.3029 9.18% - 1s 0 0 15635.0272 0 123 17214.0000 15635.0272 9.17% - 1s 0 0 15636.0667 0 126 17214.0000 15636.0667 9.17% - 1s 0 0 15637.3750 0 111 17214.0000 15637.3750 9.16% - 1s 0 0 15638.5000 0 113 17214.0000 15638.5000 9.15% - 1s 0 0 15639.1819 0 164 17214.0000 15639.1819 9.15% - 1s 0 0 15642.4694 0 152 17214.0000 15642.4694 9.13% - 1s 0 0 15643.0455 0 126 17214.0000 15643.0455 9.13% - 1s 0 0 15643.5475 0 156 17214.0000 15643.5475 9.12% - 1s 0 0 15643.8602 0 124 17214.0000 15643.8602 9.12% - 1s 0 0 15644.4810 0 123 17214.0000 15644.4810 9.12% - 1s 0 0 15644.5417 0 131 17214.0000 15644.5417 9.12% - 2s 0 0 15644.5417 0 117 17214.0000 15644.5417 9.12% - 2s H 0 0 16627.000000 15644.5417 5.91% - 2s 0 0 15644.5417 0 62 16627.0000 15644.5417 5.91% - 3s 0 0 15644.5417 0 54 16627.0000 15644.5417 5.91% - 3s 0 0 15644.5417 0 128 16627.0000 15644.5417 5.91% - 3s 0 0 15644.5417 0 128 16627.0000 15644.5417 5.91% - 3s 0 0 15644.5417 0 107 16627.0000 15644.5417 5.91% - 3s 0 0 15644.7292 0 133 16627.0000 15644.7292 5.91% - 4s 0 0 15644.9345 0 128 16627.0000 15644.9345 5.91% - 4s 0 0 15644.9376 0 144 16627.0000 15644.9376 5.91% - 4s 0 0 15644.9376 0 140 16627.0000 15644.9376 5.91% - 4s H 0 0 16114.000000 15644.9376 2.91% - 4s 0 2 15644.9376 0 136 16114.0000 15644.9376 2.91% - 5s H 27 27 15821.000000 15644.9475 1.11% 7.1 5s H 69 69 15756.000000 15644.9475 0.70% 6.3 6s H 449 300 15723.000000 15645.1575 0.50% 6.1 7s Cutting planes: Gomory: 30 Clique: 2 Zero half: 21 Explored 710 nodes (8066 simplex iterations) in 8.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.572300000000e+04, best bound 1.572200000000e+04, gap 0.0064% Optimize a model with 278 rows, 19503 columns and 135344 nonzeros Presolve time: 0.15s Presolved: 278 rows, 19503 columns, 135344 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.560175e+04, 405 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15601.7500 0 70 - 15601.7500 - - 0s Another try with MIP start H 0 0 17145.000000 15601.7500 9.00% - 0s 0 0 15610.7500 0 103 17145.0000 15610.7500 8.95% - 0s 0 0 15616.1333 0 88 17145.0000 15616.1333 8.92% - 0s 0 0 15624.8769 0 118 17145.0000 15624.8769 8.87% - 0s 0 0 15627.3333 0 98 17145.0000 15627.3333 8.85% - 0s 0 0 15629.1667 0 99 17145.0000 15629.1667 8.84% - 0s 0 0 15630.3947 0 100 17145.0000 15630.3947 8.83% - 0s 0 0 15631.8923 0 152 17145.0000 15631.8923 8.83% - 0s 0 0 15631.9690 0 154 17145.0000 15631.9690 8.82% - 0s 0 0 15637.9308 0 144 17145.0000 15637.9308 8.79% - 1s 0 0 15639.6239 0 128 17145.0000 15639.6239 8.78% - 1s 0 0 15639.6795 0 76 17145.0000 15639.6795 8.78% - 1s 0 0 15639.7637 0 119 17145.0000 15639.7637 8.78% - 1s 0 0 15639.9727 0 129 17145.0000 15639.9727 8.78% - 1s 0 0 15639.9727 0 127 17145.0000 15639.9727 8.78% - 1s H 0 0 16049.000000 15639.9727 2.55% - 2s 0 0 15639.9727 0 64 16049.0000 15639.9727 2.55% - 2s 0 0 15639.9727 0 109 16049.0000 15639.9727 2.55% - 2s 0 0 15640.3278 0 106 16049.0000 15640.3278 2.55% - 2s 0 0 15643.4759 0 148 16049.0000 15643.4759 2.53% - 2s 0 0 15643.5032 0 162 16049.0000 15643.5032 2.53% - 2s 0 0 15644.6201 0 170 16049.0000 15644.6201 2.52% - 2s 0 0 15644.6201 0 174 16049.0000 15644.6201 2.52% - 3s 0 0 15645.9139 0 132 16049.0000 15645.9139 2.51% - 3s 0 0 15646.0688 0 171 16049.0000 15646.0688 2.51% - 3s 0 0 15646.2305 0 137 16049.0000 15646.2305 2.51% - 3s 0 0 15646.3972 0 142 16049.0000 15646.3972 2.51% - 3s 0 0 15646.3972 0 141 16049.0000 15646.3972 2.51% - 3s H 0 0 16013.000000 15646.3972 2.29% - 4s H 0 0 15800.000000 15646.3972 0.97% - 4s 0 2 15646.7583 0 141 15800.0000 15646.7583 0.97% - 4s 272 261 15773.0000 84 10 15800.0000 15651.4805 0.94% 5.6 5s H 579 341 15747.000000 15653.3958 0.59% 5.9 5s H 700 330 15724.000000 15653.9911 0.45% 6.2 5s Cutting planes: Gomory: 30 Clique: 2 Zero half: 20 Explored 714 nodes (6755 simplex iterations) in 6.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.572400000000e+04, best bound 1.572400000000e+04, gap 0.0% Optimize a model with 283 rows, 19503 columns and 140568 nonzeros Presolve time: 0.16s Presolved: 283 rows, 19503 columns, 140568 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.560375e+04, 415 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15603.7500 0 70 - 15603.7500 - - 0s Another try with MIP start H 0 0 20252.000000 15603.7500 23.0% - 0s 0 0 15612.3333 0 75 20252.0000 15612.3333 22.9% - 0s 0 0 15615.3333 0 94 20252.0000 15615.3333 22.9% - 0s 0 0 15623.4357 0 125 20252.0000 15623.4357 22.9% - 0s 0 0 15629.8864 0 94 20252.0000 15629.8864 22.8% - 0s 0 0 15631.3701 0 108 20252.0000 15631.3701 22.8% - 0s 0 0 15638.6548 0 115 20252.0000 15638.6548 22.8% - 0s 0 0 15638.7955 0 129 20252.0000 15638.7955 22.8% - 1s 0 0 15640.1875 0 124 20252.0000 15640.1875 22.8% - 1s 0 0 15642.2500 0 43 20252.0000 15642.2500 22.8% - 1s 0 0 15643.3780 0 126 20252.0000 15643.3780 22.8% - 1s 0 0 15644.2304 0 109 20252.0000 15644.2304 22.8% - 1s 0 0 15644.6795 0 112 20252.0000 15644.6795 22.7% - 1s 0 0 15646.0982 0 120 20252.0000 15646.0982 22.7% - 1s 0 0 15647.4286 0 125 20252.0000 15647.4286 22.7% - 1s 0 0 15650.4425 0 117 20252.0000 15650.4425 22.7% - 1s 0 0 15650.8925 0 131 20252.0000 15650.8925 22.7% - 1s 0 0 15650.8925 0 132 20252.0000 15650.8925 22.7% - 2s 0 0 15650.9306 0 132 20252.0000 15650.9306 22.7% - 2s 0 0 15650.9306 0 132 20252.0000 15650.9306 22.7% - 2s H 0 0 16509.000000 15650.9306 5.20% - 3s 0 0 15650.9306 0 64 16509.0000 15650.9306 5.20% - 3s 0 0 15650.9306 0 49 16509.0000 15650.9306 5.20% - 3s 0 0 15650.9306 0 115 16509.0000 15650.9306 5.20% - 3s 0 0 15651.2556 0 154 16509.0000 15651.2556 5.20% - 3s 0 0 15651.2556 0 156 16509.0000 15651.2556 5.20% - 4s 0 0 15651.2641 0 151 16509.0000 15651.2641 5.20% - 4s 0 0 15651.2641 0 155 16509.0000 15651.2641 5.20% - 4s 0 0 15651.2641 0 153 16509.0000 15651.2641 5.20% - 4s H 0 0 16060.000000 15651.2641 2.55% - 5s H 0 0 15787.000000 15651.2641 0.86% - 5s H 0 0 15783.000000 15651.2641 0.83% - 5s 0 2 15651.4725 0 153 15783.0000 15651.4725 0.83% - 5s H 27 27 15746.000000 15654.4725 0.58% 10.2 5s H 609 463 15735.000000 15681.2824 0.34% 7.8 7s Cutting planes: Gomory: 26 MIR: 1 Zero half: 32 Explored 842 nodes (9228 simplex iterations) in 8.35 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.573500000000e+04, best bound 1.573400000000e+04, gap 0.0064% Optimize a model with 287 rows, 19503 columns and 149698 nonzeros Presolve time: 0.17s Presolved: 287 rows, 19503 columns, 149698 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.564425e+04, 432 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15644.2500 0 72 - 15644.2500 - - 0s Another try with MIP start H 0 0 17234.000000 15644.2500 9.22% - 0s 0 0 15659.5833 0 87 17234.0000 15659.5833 9.14% - 0s 0 0 15662.5833 0 105 17234.0000 15662.5833 9.12% - 0s 0 0 15671.2462 0 135 17234.0000 15671.2462 9.07% - 0s 0 0 15677.7768 0 143 17234.0000 15677.7768 9.03% - 0s 0 0 15678.6875 0 103 17234.0000 15678.6875 9.02% - 0s 0 0 15679.0833 0 154 17234.0000 15679.0833 9.02% - 1s 0 0 15681.0833 0 135 17234.0000 15681.0833 9.01% - 1s 0 0 15681.9167 0 155 17234.0000 15681.9167 9.01% - 1s 0 0 15682.8423 0 127 17234.0000 15682.8423 9.00% - 1s 0 0 15686.4583 0 142 17234.0000 15686.4583 8.98% - 1s 0 0 15688.2333 0 133 17234.0000 15688.2333 8.97% - 1s 0 0 15688.8977 0 179 17234.0000 15688.8977 8.97% - 1s 0 0 15689.1417 0 135 17234.0000 15689.1417 8.96% - 1s 0 0 15690.5194 0 141 17234.0000 15690.5194 8.96% - 1s 0 0 15691.0170 0 166 17234.0000 15691.0170 8.95% - 1s 0 0 15693.7751 0 168 17234.0000 15693.7751 8.94% - 1s 0 0 15695.3799 0 175 17234.0000 15695.3799 8.93% - 1s 0 0 15697.3438 0 174 17234.0000 15697.3438 8.92% - 2s 0 0 15698.4796 0 212 17234.0000 15698.4796 8.91% - 2s 0 0 15699.6858 0 216 17234.0000 15699.6858 8.90% - 2s 0 0 15702.7232 0 162 17234.0000 15702.7232 8.89% - 2s 0 0 15703.2395 0 175 17234.0000 15703.2395 8.88% - 2s 0 0 15703.2395 0 162 17234.0000 15703.2395 8.88% - 3s H 0 0 16772.000000 15703.2395 6.37% - 4s 0 2 15703.2427 0 162 16772.0000 15703.2427 6.37% - 4s H 27 27 15736.000000 15703.4549 0.21% 6.7 5s Cutting planes: Zero half: 85 Explored 183 nodes (2577 simplex iterations) in 6.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.573600000000e+04, best bound 1.573500000000e+04, gap 0.0064% Optimize a model with 293 rows, 19503 columns and 155829 nonzeros Presolve time: 0.17s Presolved: 293 rows, 19503 columns, 155829 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.564425e+04, 436 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15644.2500 0 70 - 15644.2500 - - 0s Another try with MIP start H 0 0 17256.000000 15644.2500 9.34% - 0s 0 0 15660.0833 0 79 17256.0000 15660.0833 9.25% - 0s 0 0 15663.8333 0 104 17256.0000 15663.8333 9.23% - 0s 0 0 15671.9231 0 133 17256.0000 15671.9231 9.18% - 0s 0 0 15677.0000 0 111 17256.0000 15677.0000 9.15% - 0s 0 0 15678.8393 0 91 17256.0000 15678.8393 9.14% - 0s 0 0 15678.9722 0 98 17256.0000 15678.9722 9.14% - 0s 0 0 15680.1250 0 103 17256.0000 15680.1250 9.13% - 1s 0 0 15681.3333 0 110 17256.0000 15681.3333 9.13% - 1s 0 0 15684.1090 0 131 17256.0000 15684.1090 9.11% - 1s 0 0 15685.2969 0 134 17256.0000 15685.2969 9.10% - 1s 0 0 15686.2730 0 131 17256.0000 15686.2730 9.10% - 1s 0 0 15687.4924 0 135 17256.0000 15687.4924 9.09% - 1s 0 0 15689.7332 0 139 17256.0000 15689.7332 9.08% - 1s 0 0 15691.4894 0 148 17256.0000 15691.4894 9.07% - 1s 0 0 15692.2445 0 152 17256.0000 15692.2445 9.06% - 1s 0 0 15693.5719 0 160 17256.0000 15693.5719 9.05% - 1s 0 0 15694.7352 0 164 17256.0000 15694.7352 9.05% - 2s 0 0 15695.1991 0 162 17256.0000 15695.1991 9.04% - 2s 0 0 15696.8915 0 164 17256.0000 15696.8915 9.04% - 2s 0 0 15699.6308 0 156 17256.0000 15699.6308 9.02% - 2s 0 0 15699.7910 0 161 17256.0000 15699.7910 9.02% - 2s 0 0 15699.7910 0 154 17256.0000 15699.7910 9.02% - 2s H 0 0 16299.000000 15699.7910 3.68% - 2s 0 0 15699.7910 0 70 16299.0000 15699.7910 3.68% - 3s 0 0 15699.7910 0 139 16299.0000 15699.7910 3.68% - 3s 0 0 15699.7910 0 134 16299.0000 15699.7910 3.68% - 3s 0 0 15699.7910 0 138 16299.0000 15699.7910 3.68% - 3s 0 0 15700.0720 0 156 16299.0000 15700.0720 3.67% - 3s 0 0 15700.3353 0 167 16299.0000 15700.3353 3.67% - 3s 0 0 15700.5989 0 158 16299.0000 15700.5989 3.67% - 4s 0 0 15700.7810 0 167 16299.0000 15700.7810 3.67% - 4s 0 0 15700.7810 0 167 16299.0000 15700.7810 3.67% - 4s H 0 0 16272.000000 15700.7810 3.51% - 4s H 0 0 15748.000000 15700.7810 0.30% - 4s 0 2 15702.2810 0 167 15748.0000 15702.2810 0.29% - 4s H 54 5 15738.000000 15730.1905 0.05% 13.0 4s Cutting planes: Zero half: 49 Explored 86 nodes (2584 simplex iterations) in 4.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.573800000000e+04, best bound 1.573800000000e+04, gap 0.0% Optimize a model with 298 rows, 19503 columns and 161765 nonzeros Presolve time: 0.18s Presolved: 298 rows, 19503 columns, 161765 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.564425e+04, 427 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15644.2500 0 70 - 15644.2500 - - 0s Another try with MIP start H 0 0 17170.000000 15644.2500 8.89% - 0s 0 0 15659.5833 0 90 17170.0000 15659.5833 8.80% - 0s 0 0 15665.0000 0 97 17170.0000 15665.0000 8.77% - 0s 0 0 15672.5000 0 105 17170.0000 15672.5000 8.72% - 0s 0 0 15674.7708 0 122 17170.0000 15674.7708 8.71% - 0s 0 0 15676.1250 0 141 17170.0000 15676.1250 8.70% - 0s 0 0 15679.8452 0 146 17170.0000 15679.8452 8.68% - 0s 0 0 15680.2500 0 88 17170.0000 15680.2500 8.68% - 1s 0 0 15681.3750 0 115 17170.0000 15681.3750 8.67% - 1s 0 0 15682.1059 0 131 17170.0000 15682.1059 8.67% - 1s 0 0 15684.3667 0 105 17170.0000 15684.3667 8.65% - 1s 0 0 15688.2407 0 182 17170.0000 15688.2407 8.63% - 1s 0 0 15688.7024 0 144 17170.0000 15688.7024 8.63% - 1s 0 0 15689.2188 0 176 17170.0000 15689.2188 8.62% - 1s 0 0 15689.6511 0 196 17170.0000 15689.6511 8.62% - 1s 0 0 15692.3489 0 175 17170.0000 15692.3489 8.61% - 2s 0 0 15693.1278 0 181 17170.0000 15693.1278 8.60% - 2s 0 0 15694.3031 0 173 17170.0000 15694.3031 8.59% - 2s 0 0 15696.5277 0 196 17170.0000 15696.5277 8.58% - 2s 0 0 15701.3846 0 188 17170.0000 15701.3846 8.55% - 2s 0 0 15704.7738 0 198 17170.0000 15704.7738 8.53% - 2s 0 0 15704.8442 0 202 17170.0000 15704.8442 8.53% - 2s 0 0 15704.8442 0 198 17170.0000 15704.8442 8.53% - 2s H 0 0 16243.000000 15704.8442 3.31% - 3s 0 0 15704.8442 0 70 16243.0000 15704.8442 3.31% - 3s 0 0 15704.8442 0 112 16243.0000 15704.8442 3.31% - 3s 0 0 15704.8442 0 176 16243.0000 15704.8442 3.31% - 3s 0 0 15705.0765 0 179 16243.0000 15705.0765 3.31% - 3s 0 0 15705.2158 0 194 16243.0000 15705.2158 3.31% - 4s 0 0 15705.2300 0 185 16243.0000 15705.2300 3.31% - 4s 0 0 15705.2562 0 196 16243.0000 15705.2562 3.31% - 4s 0 0 15705.2562 0 196 16243.0000 15705.2562 3.31% - 4s H 0 0 15750.000000 15705.2562 0.28% - 5s 0 2 15710.7192 0 196 15750.0000 15710.7192 0.25% - 5s H 54 28 15747.000000 15727.4021 0.12% 8.9 5s * 111 49 14 15745.000000 15731.4444 0.09% 7.1 5s Cutting planes: Zero half: 44 Explored 237 nodes (3147 simplex iterations) in 5.73 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.574500000000e+04, best bound 1.574400000000e+04, gap 0.0064% Optimize a model with 302 rows, 19503 columns and 170188 nonzeros Presolve time: 0.19s Presolved: 302 rows, 19503 columns, 170188 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.564425e+04, 446 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15644.2500 0 72 - 15644.2500 - - 0s Another try with MIP start H 0 0 17111.000000 15644.2500 8.57% - 0s 0 0 15659.5833 0 94 17111.0000 15659.5833 8.48% - 0s 0 0 15662.8333 0 95 17111.0000 15662.8333 8.46% - 0s 0 0 15671.8462 0 128 17111.0000 15671.8462 8.41% - 0s 0 0 15675.9250 0 130 17111.0000 15675.9250 8.39% - 0s 0 0 15678.2417 0 108 17111.0000 15678.2417 8.37% - 0s 0 0 15680.2083 0 112 17111.0000 15680.2083 8.36% - 0s 0 0 15680.9000 0 122 17111.0000 15680.9000 8.36% - 1s 0 0 15685.2500 0 117 17111.0000 15685.2500 8.33% - 1s 0 0 15686.1562 0 118 17111.0000 15686.1562 8.33% - 1s 0 0 15689.4250 0 144 17111.0000 15689.4250 8.31% - 1s 0 0 15690.5551 0 151 17111.0000 15690.5551 8.30% - 1s 0 0 15691.4896 0 188 17111.0000 15691.4896 8.30% - 1s 0 0 15692.3962 0 184 17111.0000 15692.3962 8.29% - 1s 0 0 15694.0217 0 200 17111.0000 15694.0217 8.28% - 1s 0 0 15695.6941 0 181 17111.0000 15695.6941 8.27% - 1s 0 0 15697.2156 0 196 17111.0000 15697.2156 8.26% - 2s 0 0 15697.9665 0 192 17111.0000 15697.9665 8.26% - 2s 0 0 15699.6479 0 178 17111.0000 15699.6479 8.25% - 2s 0 0 15700.0137 0 145 17111.0000 15700.0137 8.25% - 2s 0 0 15700.3611 0 174 17111.0000 15700.3611 8.24% - 2s 0 0 15700.4167 0 134 17111.0000 15700.4167 8.24% - 3s 0 0 15700.4359 0 139 17111.0000 15700.4359 8.24% - 3s 0 0 15700.4359 0 138 17111.0000 15700.4359 8.24% - 3s H 0 0 16042.000000 15700.4359 2.13% - 4s 0 0 15700.4359 0 72 16042.0000 15700.4359 2.13% - 4s 0 0 15700.4359 0 138 16042.0000 15700.4359 2.13% - 4s 0 0 15700.4359 0 153 16042.0000 15700.4359 2.13% - 4s 0 0 15701.6187 0 152 16042.0000 15701.6187 2.12% - 4s 0 0 15703.6448 0 166 16042.0000 15703.6448 2.11% - 4s 0 0 15704.1393 0 148 16042.0000 15704.1393 2.11% - 5s 0 0 15704.1810 0 140 16042.0000 15704.1810 2.11% - 5s 0 0 15704.1810 0 145 16042.0000 15704.1810 2.11% - 5s 0 0 15704.3491 0 148 16042.0000 15704.3491 2.10% - 5s 0 0 15704.3491 0 146 16042.0000 15704.3491 2.10% - 5s 0 2 15705.3491 0 146 16042.0000 15705.3491 2.10% - 5s * 48 44 32 15764.000000 15722.4875 0.26% 9.7 5s * 67 47 14 15750.000000 15722.5010 0.17% 9.6 5s * 109 57 8 15747.000000 15723.3165 0.15% 10.0 5s Cutting planes: Zero half: 56 Explored 444 nodes (5872 simplex iterations) in 6.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.574700000000e+04, best bound 1.574700000000e+04, gap 0.0% Optimize a model with 306 rows, 19503 columns and 176507 nonzeros Presolve time: 0.20s Presolved: 306 rows, 19503 columns, 176507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.565575e+04, 427 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15655.7500 0 62 - 15655.7500 - - 0s Another try with MIP start H 0 0 17161.000000 15655.7500 8.77% - 0s 0 0 15674.0833 0 77 17161.0000 15674.0833 8.66% - 0s 0 0 15681.6042 0 108 17161.0000 15681.6042 8.62% - 0s 0 0 15691.5000 0 78 17161.0000 15691.5000 8.56% - 0s 0 0 15693.6750 0 119 17161.0000 15693.6750 8.55% - 0s 0 0 15697.6250 0 101 17161.0000 15697.6250 8.53% - 0s 0 0 15698.3929 0 106 17161.0000 15698.3929 8.52% - 0s 0 0 15698.8667 0 117 17161.0000 15698.8667 8.52% - 1s 0 0 15699.7500 0 124 17161.0000 15699.7500 8.51% - 1s 0 0 15699.9907 0 119 17161.0000 15699.9907 8.51% - 1s 0 0 15705.4070 0 136 17161.0000 15705.4070 8.48% - 1s 0 0 15706.2125 0 130 17161.0000 15706.2125 8.48% - 1s 0 0 15707.0404 0 152 17161.0000 15707.0404 8.47% - 1s 0 0 15708.6111 0 143 17161.0000 15708.6111 8.46% - 1s 0 0 15709.6111 0 139 17161.0000 15709.6111 8.46% - 1s 0 0 15711.2028 0 163 17161.0000 15711.2028 8.45% - 1s 0 0 15712.2280 0 171 17161.0000 15712.2280 8.44% - 1s 0 0 15713.6472 0 167 17161.0000 15713.6472 8.43% - 2s 0 0 15713.7874 0 163 17161.0000 15713.7874 8.43% - 2s 0 0 15715.6691 0 170 17161.0000 15715.6691 8.42% - 2s 0 0 15715.7426 0 176 17161.0000 15715.7426 8.42% - 2s 0 0 15715.7426 0 170 17161.0000 15715.7426 8.42% - 2s H 0 0 16237.000000 15715.7426 3.21% - 3s 0 0 15715.7426 0 62 16237.0000 15715.7426 3.21% - 3s 0 0 15715.7426 0 116 16237.0000 15715.7426 3.21% - 3s 0 0 15715.7426 0 139 16237.0000 15715.7426 3.21% - 3s 0 0 15715.7426 0 151 16237.0000 15715.7426 3.21% - 3s 0 0 15716.7008 0 162 16237.0000 15716.7008 3.20% - 4s 0 0 15718.2641 0 139 16237.0000 15718.2641 3.19% - 4s 0 0 15719.7368 0 122 16237.0000 15719.7368 3.19% - 4s 0 0 15719.9167 0 147 16237.0000 15719.9167 3.18% - 4s 0 0 15720.0667 0 193 16237.0000 15720.0667 3.18% - 4s 0 0 15720.0667 0 180 16237.0000 15720.0667 3.18% - 4s H 0 0 15876.000000 15720.0667 0.98% - 4s H 0 0 15772.000000 15720.0667 0.33% - 5s 0 2 15721.1667 0 180 15772.0000 15721.1667 0.32% - 5s * 21 20 14 15750.000000 15722.8030 0.17% 7.5 5s * 84 12 12 15749.000000 15744.1667 0.03% 7.3 5s Cutting planes: Zero half: 52 Explored 100 nodes (2241 simplex iterations) in 5.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.574900000000e+04, best bound 1.574800000000e+04, gap 0.0063% Optimize a model with 308 rows, 19503 columns and 186245 nonzeros Presolve time: 0.21s Presolved: 308 rows, 19503 columns, 186245 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.568625e+04, 423 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15686.2500 0 62 - 15686.2500 - - 0s Another try with MIP start H 0 0 15810.000000 15686.2500 0.78% - 0s 0 0 15702.0833 0 77 15810.0000 15702.0833 0.68% - 0s 0 0 15702.0833 0 62 15810.0000 15702.0833 0.68% - 0s 0 0 15743.7500 0 69 15810.0000 15743.7500 0.42% - 0s 0 0 15747.3889 0 109 15810.0000 15747.3889 0.40% - 0s 0 2 15754.2778 0 108 15810.0000 15754.2778 0.35% - 0s H 4 4 15780.000000 15759.5833 0.13% 1.2 1s H 8 7 15769.000000 15768.5000 0.00% 62.2 1s Cutting planes: Gomory: 16 Zero half: 9 Explored 8 nodes (1551 simplex iterations) in 1.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.576900000000e+04, best bound 1.576900000000e+04, gap 0.0% Optimize a model with 310 rows, 19503 columns and 197103 nonzeros Presolve time: 0.22s Presolved: 310 rows, 19503 columns, 197103 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.568625e+04, 427 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15686.2500 0 62 - 15686.2500 - - 0s Another try with MIP start H 0 0 17121.000000 15686.2500 8.38% - 0s 0 0 15702.0833 0 85 17121.0000 15702.0833 8.29% - 0s 0 0 15707.6667 0 107 17121.0000 15707.6667 8.25% - 0s 0 0 15715.7000 0 120 17121.0000 15715.7000 8.21% - 0s 0 0 15720.0083 0 147 17121.0000 15720.0083 8.18% - 0s 0 0 15727.0280 0 164 17121.0000 15727.0280 8.14% - 1s 0 0 15729.2083 0 110 17121.0000 15729.2083 8.13% - 1s 0 0 15729.8785 0 162 17121.0000 15729.8785 8.13% - 1s 0 0 15731.6251 0 171 17121.0000 15731.6251 8.12% - 1s 0 0 15733.7086 0 140 17121.0000 15733.7086 8.10% - 1s 0 0 15734.0542 0 170 17121.0000 15734.0542 8.10% - 1s 0 0 15734.2836 0 190 17121.0000 15734.2836 8.10% - 1s 0 0 15735.8325 0 171 17121.0000 15735.8325 8.09% - 2s 0 0 15736.3436 0 179 17121.0000 15736.3436 8.09% - 2s 0 0 15738.2650 0 181 17121.0000 15738.2650 8.08% - 2s 0 0 15738.7174 0 200 17121.0000 15738.7174 8.07% - 2s 0 0 15739.3245 0 196 17121.0000 15739.3245 8.07% - 2s 0 0 15740.9831 0 176 17121.0000 15740.9831 8.06% - 2s 0 0 15741.6137 0 197 17121.0000 15741.6137 8.06% - 3s 0 0 15744.4218 0 206 17121.0000 15744.4218 8.04% - 3s 0 0 15745.7658 0 216 17121.0000 15745.7658 8.03% - 3s 0 0 15747.1454 0 211 17121.0000 15747.1454 8.02% - 3s 0 0 15747.4761 0 212 17121.0000 15747.4761 8.02% - 3s 0 0 15747.4761 0 206 17121.0000 15747.4761 8.02% - 4s H 0 0 16374.000000 15747.4761 3.83% - 4s 0 0 15747.4761 0 62 16374.0000 15747.4761 3.83% - 4s 0 0 15747.4761 0 137 16374.0000 15747.4761 3.83% - 4s 0 0 15747.4761 0 188 16374.0000 15747.4761 3.83% - 4s 0 0 15747.5179 0 158 16374.0000 15747.5179 3.83% - 5s 0 0 15747.9050 0 209 16374.0000 15747.9050 3.82% - 5s 0 0 15748.2074 0 227 16374.0000 15748.2074 3.82% - 5s 0 0 15748.2074 0 227 16374.0000 15748.2074 3.82% - 5s 0 2 15748.2106 0 227 16374.0000 15748.2106 3.82% - 6s * 27 25 16 15794.000000 15748.4011 0.29% 8.8 6s H 29 19 15790.000000 15748.4011 0.26% 8.2 6s H 86 41 15781.000000 15750.5212 0.19% 11.2 6s * 191 51 9 15780.000000 15761.8333 0.12% 11.6 6s Cutting planes: Zero half: 64 Explored 298 nodes (4651 simplex iterations) in 7.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.578000000000e+04, best bound 1.577900000000e+04, gap 0.0063% Optimize a model with 312 rows, 19503 columns and 211846 nonzeros Presolve time: 0.24s Presolved: 312 rows, 19503 columns, 211846 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.568625e+04, 441 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15686.2500 0 62 - 15686.2500 - - 0s Another try with MIP start H 0 0 17223.000000 15686.2500 8.92% - 0s 0 0 15702.0833 0 77 17223.0000 15702.0833 8.83% - 0s 0 0 15708.7500 0 99 17223.0000 15708.7500 8.79% - 0s 0 0 15720.3269 0 108 17223.0000 15720.3269 8.72% - 0s 0 0 15724.7500 0 107 17223.0000 15724.7500 8.70% - 1s 0 0 15727.0833 0 108 17223.0000 15727.0833 8.69% - 1s 0 0 15729.4687 0 111 17223.0000 15729.4687 8.67% - 1s 0 0 15731.0833 0 116 17223.0000 15731.0833 8.66% - 1s 0 0 15731.1131 0 128 17223.0000 15731.1131 8.66% - 1s 0 0 15734.0208 0 112 17223.0000 15734.0208 8.65% - 1s 0 0 15734.0677 0 125 17223.0000 15734.0677 8.65% - 2s 0 0 15737.5750 0 130 17223.0000 15737.5750 8.62% - 2s 0 0 15738.1500 0 137 17223.0000 15738.1500 8.62% - 2s 0 0 15738.9358 0 153 17223.0000 15738.9358 8.62% - 2s 0 0 15739.5357 0 142 17223.0000 15739.5357 8.61% - 2s 0 0 15739.8036 0 158 17223.0000 15739.8036 8.61% - 2s 0 0 15740.1439 0 164 17223.0000 15740.1439 8.61% - 3s 0 0 15741.0187 0 165 17223.0000 15741.0187 8.60% - 3s 0 0 15742.3222 0 196 17223.0000 15742.3222 8.60% - 3s 0 0 15742.9736 0 175 17223.0000 15742.9736 8.59% - 3s 0 0 15744.0241 0 188 17223.0000 15744.0241 8.59% - 3s 0 0 15745.1708 0 193 17223.0000 15745.1708 8.58% - 3s 0 0 15745.4983 0 203 17223.0000 15745.4983 8.58% - 4s 0 0 15748.0235 0 166 17223.0000 15748.0235 8.56% - 4s 0 0 15749.2732 0 208 17223.0000 15749.2732 8.56% - 4s 0 0 15749.7122 0 178 17223.0000 15749.7122 8.55% - 4s 0 0 15750.0983 0 184 17223.0000 15750.0983 8.55% - 4s 0 0 15750.0983 0 183 17223.0000 15750.0983 8.55% - 5s H 0 0 16495.000000 15750.0983 4.52% - 5s 0 0 15750.0983 0 62 16495.0000 15750.0983 4.52% - 6s 0 0 15750.0983 0 113 16495.0000 15750.0983 4.52% - 6s 0 0 15750.0983 0 169 16495.0000 15750.0983 4.52% - 6s 0 0 15750.0983 0 180 16495.0000 15750.0983 4.52% - 6s 0 0 15750.0983 0 185 16495.0000 15750.0983 4.52% - 6s 0 0 15750.0983 0 185 16495.0000 15750.0983 4.52% - 7s H 0 0 16391.000000 15750.0983 3.91% - 7s H 0 0 15826.000000 15750.0983 0.48% - 7s 0 2 15752.0813 0 183 15826.0000 15752.0813 0.47% - 7s * 22 20 16 15786.000000 15755.4373 0.19% 12.6 7s * 52 27 8 15780.000000 15762.9373 0.11% 11.6 7s Cutting planes: Zero half: 52 Explored 126 nodes (3025 simplex iterations) in 8.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.578000000000e+04, best bound 1.578000000000e+04, gap 0.0% Optimize a model with 315 rows, 19503 columns and 221474 nonzeros Presolve time: 0.24s Presolved: 315 rows, 19503 columns, 221474 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 19503 integer (19503 binary) Root relaxation: objective 1.568625e+04, 433 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15686.2500 0 62 - 15686.2500 - - 0s Another try with MIP start H 0 0 17223.000000 15686.2500 8.92% - 0s 0 0 15702.0833 0 89 17223.0000 15702.0833 8.83% - 0s 0 0 15706.9167 0 98 17223.0000 15706.9167 8.80% - 0s 0 0 15714.9000 0 137 17223.0000 15714.9000 8.76% - 0s 0 0 15729.1143 0 110 17223.0000 15729.1143 8.67% - 1s 0 0 15731.4167 0 113 17223.0000 15731.4167 8.66% - 1s 0 0 15731.8929 0 135 17223.0000 15731.8929 8.66% - 1s 0 0 15732.9808 0 109 17223.0000 15732.9808 8.65% - 1s 0 0 15735.1905 0 135 17223.0000 15735.1905 8.64% - 1s 0 0 15736.3205 0 162 17223.0000 15736.3205 8.63% - 1s 0 0 15738.8283 0 147 17223.0000 15738.8283 8.62% - 1s 0 0 15739.3516 0 154 17223.0000 15739.3516 8.61% - 1s 0 0 15739.9762 0 188 17223.0000 15739.9762 8.61% - 2s 0 0 15743.0341 0 178 17223.0000 15743.0341 8.59% - 2s 0 0 15743.5640 0 169 17223.0000 15743.5640 8.59% - 2s 0 0 15744.0107 0 173 17223.0000 15744.0107 8.59% - 2s 0 0 15744.7981 0 175 17223.0000 15744.7981 8.58% - 2s 0 0 15745.3606 0 192 17223.0000 15745.3606 8.58% - 3s 0 0 15746.5893 0 202 17223.0000 15746.5893 8.57% - 3s 0 0 15746.8084 0 196 17223.0000 15746.8084 8.57% - 3s 0 0 15747.1552 0 207 17223.0000 15747.1552 8.57% - 4s 0 0 15747.1552 0 194 17223.0000 15747.1552 8.57% - 4s H 0 0 16833.000000 15747.1552 6.45% - 5s 0 2 15747.1669 0 191 16833.0000 15747.1669 6.45% - 6s H 27 27 16235.000000 15747.2081 3.00% 15.7 8s * 205 201 127 16069.000000 15747.2081 2.00% 7.0 9s * 229 44 17 15780.000000 15747.7687 0.20% 7.5 9s 411 73 15778.2000 10 30 15780.0000 15758.5841 0.14% 10.2 10s Cutting planes: Zero half: 95 Explored 1012 nodes (10817 simplex iterations) in 11.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.578000000000e+04, best bound 1.577900000000e+04, gap 0.0063% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:52:07 2012