Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:02:02 2013 Optimize a model with 97216 rows, 96236 columns and 384356 nonzeros Presolve removed 98 rows and 0 columns Presolve time: 0.49s Presolved: 97118 rows, 96236 columns, 384258 nonzeros Variable types: 96138 continuous, 98 integer (98 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9093 8.3452881e+04 7.330592e+05 0.000000e+00 5s 10677 8.5222448e+04 1.018694e+05 0.000000e+00 10s 12261 8.6062768e+04 1.493570e+04 0.000000e+00 15s 13434 8.6295896e+04 0.000000e+00 0.000000e+00 20s Root relaxation: objective 8.629590e+04, 13434 iterations, 19.70 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 86295.8959 0 75 - 86295.8959 - - 20s H 0 0 160256.00000 86295.8959 46.2% - 32s 0 0 113158.409 0 31 160256.000 113158.409 29.4% - 66s H 0 0 159174.00000 113158.409 28.9% - 72s 0 0 121453.700 0 5 159174.000 121453.700 23.7% - 84s H 0 0 141440.48135 121453.700 14.1% - 84s H 0 0 138553.00000 121453.700 12.3% - 84s H 0 0 123309.00000 121453.700 1.50% - 85s 0 0 122279.520 0 5 123309.000 122279.520 0.83% - 87s 0 2 122313.884 0 5 123309.000 122313.884 0.81% - 93s 2 4 122512.385 2 4 123309.000 122438.527 0.71% 738 95s H 3 3 122880.11818 122438.527 0.36% 492 95s 12 6 122726.765 6 1 122880.118 122444.531 0.35% 559 100s * 16 7 10 122794.00000 122444.531 0.28% 469 100s H 36 7 122774.80000 122608.666 0.14% 345 104s * 38 5 9 122695.00000 122608.666 0.07% 334 104s Cutting planes: Implied bound: 97 Explored 44 nodes (45026 simplex iterations) in 104.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.226950000000e+05, best bound 1.226950000000e+05, gap 0.0%