Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:01:01 2013 Optimize a model with 5700 rows, 40100 columns and 90050 nonzeros Presolve removed 100 rows and 150 columns Presolve time: 0.30s Presolved: 5600 rows, 39950 columns, 79900 nonzeros Variable types: 35000 continuous, 4950 integer (4950 binary) Root relaxation: objective 1.626233e+05, 2818 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 162623.326 0 5 - 162623.326 - - 0s 0 0 162685.890 0 7 - 162685.890 - - 1s 0 0 162687.504 0 7 - 162687.504 - - 1s 0 0 162691.870 0 7 - 162691.870 - - 1s 0 0 162698.520 0 5 - 162698.520 - - 1s 0 0 162700.127 0 6 - 162700.127 - - 1s 0 0 162700.127 0 6 - 162700.127 - - 2s H 0 0 164860.13882 162700.127 1.31% - 2s 0 2 162703.634 0 6 164860.139 162703.634 1.31% - 2s 49 51 162851.385 47 2 164860.139 162758.565 1.27% 11.0 5s H 54 26 162944.30823 162758.565 0.11% 10.3 5s H 135 47 162943.21145 162758.565 0.11% 9.4 6s * 174 63 162 162942.45491 162758.565 0.11% 8.6 7s * 178 60 162 162942.17609 162758.565 0.11% 8.5 7s * 181 59 161 162941.89472 162758.565 0.11% 8.4 7s 459 150 162856.544 38 1 162941.895 162849.132 0.06% 8.7 10s * 476 140 48 162932.97797 162849.132 0.05% 8.5 10s * 478 135 47 162932.02959 162849.132 0.05% 8.5 10s * 479 132 47 162931.07566 162849.132 0.05% 8.5 10s 605 176 162858.162 39 6 162931.076 162852.074 0.05% 7.6 15s 752 195 162915.923 115 1 162931.076 162852.074 0.05% 14.7 20s 1243 207 162863.727 107 1 162931.076 162853.924 0.05% 11.2 25s 1620 247 162925.625 484 1 162931.076 162853.924 0.05% 8.9 30s * 1676 246 43 162929.73038 162855.847 0.05% 8.7 30s * 1681 208 45 162922.13055 162855.847 0.04% 8.7 30s 2027 274 162867.664 84 1 162922.131 162857.970 0.04% 7.8 35s * 2688 432 37 162919.50628 162863.483 0.03% 6.8 38s 2921 489 162915.017 263 2 162919.506 162863.965 0.03% 6.5 40s H 2943 480 162919.13878 162864.317 0.03% 6.5 41s * 2963 480 37 162918.91120 162864.368 0.03% 6.5 41s 3680 544 162887.357 73 1 162918.911 162872.272 0.03% 6.1 45s 4707 667 162901.936 128 2 162918.911 162879.722 0.02% 5.5 50s 5650 712 162901.220 80 1 162918.911 162888.818 0.02% 5.3 55s 6343 676 162897.251 52 1 162918.911 162897.251 0.01% 5.0 60s Cutting planes: Gomory: 6 Flow cover: 7 Explored 6741 nodes (38302 simplex iterations) in 62.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.629189111988e+05, best bound 1.629026619876e+05, gap 0.0100%