Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:51:24 2013 Optimize a model with 10700 rows, 35100 columns and 90050 nonzeros Presolve removed 150 rows and 100 columns Presolve time: 0.36s Presolved: 10550 rows, 35000 columns, 79900 nonzeros Variable types: 30050 continuous, 4950 integer (4950 binary) Root relaxation: objective 1.626233e+05, 8838 iterations, 0.58 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 - - 1s 0 0 162715.669 0 5 - 162715.669 - - 1s 0 0 162729.893 0 6 - 162729.893 - - 1s 0 0 162733.124 0 5 - 162733.124 - - 1s 0 0 162733.124 0 5 - 162733.124 - - 1s 0 0 162736.577 0 6 - 162736.577 - - 1s 0 0 162736.889 0 6 - 162736.889 - - 2s 0 0 162737.089 0 5 - 162737.089 - - 2s 0 0 162737.089 0 5 - 162737.089 - - 2s H 0 0 164271.69524 162737.089 0.93% - 3s 0 2 162737.331 0 5 164271.695 162737.331 0.93% - 3s 32 29 162839.808 31 2 164271.695 162786.246 0.90% 8.5 5s H 54 27 162944.30823 162786.246 0.10% 7.0 5s H 266 159 162942.47380 162847.216 0.06% 7.5 9s H 268 154 162940.46783 162847.216 0.06% 7.5 9s H 271 131 162931.14957 162847.216 0.05% 7.5 9s * 293 136 30 162929.37229 162847.720 0.05% 7.8 9s 304 134 162849.357 10 2 162929.372 162849.357 0.05% 8.4 10s 603 358 162910.300 19 5 162929.372 162854.112 0.05% 6.0 15s 879 431 162871.363 18 2 162929.372 162854.112 0.05% 10.3 20s * 959 407 38 162918.92663 162854.806 0.04% 9.8 20s 1730 366 162879.356 37 1 162918.927 162871.545 0.03% 9.5 25s 2645 427 162894.469 50 1 162918.927 162887.821 0.02% 10.3 30s 3578 338 162905.016 49 1 162918.927 162901.448 0.01% 10.5 35s Cutting planes: Gomory: 6 Flow cover: 10 Explored 3652 nodes (47174 simplex iterations) in 35.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.629189266268e+05, best bound 1.629026552490e+05, gap 0.0100%