Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:56:46 2013 Optimize a model with 97118 rows, 96138 columns and 384258 nonzeros Presolve removed 6314 rows and 0 columns Presolve time: 0.71s Presolved: 90804 rows, 96138 columns, 371630 nonzeros Variable types: 96040 continuous, 98 integer (98 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 19389 1.3505415e+05 2.415405e+04 0.000000e+00 5s 32930 1.6174209e+05 2.821868e+03 0.000000e+00 10s 35491 1.6304244e+05 0.000000e+00 0.000000e+00 12s Root relaxation: objective 1.630424e+05, 35491 iterations, 11.55 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 163042.437 0 3 - 163042.437 - - 12s H 0 0 165680.00000 163042.437 1.59% - 13s H 0 0 163303.00000 163042.437 0.16% - 13s 0 0 163046.701 0 5 163303.000 163046.701 0.16% - 14s 0 0 163046.701 0 3 163303.000 163046.701 0.16% - 18s 0 0 163046.701 0 5 163303.000 163046.701 0.16% - 19s 0 0 163046.701 0 5 163303.000 163046.701 0.16% - 19s 0 0 163238.125 0 2 163303.000 163238.125 0.04% - 20s 0 2 163239.104 0 2 163303.000 163239.104 0.04% - 21s Explored 3 nodes (47370 simplex iterations) in 21.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.633030000000e+05, best bound 1.633030000000e+05, gap 0.0%