Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:10:57 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 10616 9.0575631e+04 2.504557e+05 0.000000e+00 5s 12376 9.2637718e+04 7.529401e+05 0.000000e+00 10s 13960 9.4155222e+04 4.826091e+05 0.000000e+00 16s 15192 9.5006619e+04 5.631840e+03 0.000000e+00 20s 16424 9.5509917e+04 8.485279e+04 0.000000e+00 25s Warning: Markowitz tolerance tightened to 0.125 17832 9.5774577e+04 4.004213e+02 0.000000e+00 31s 18347 9.5784426e+04 0.000000e+00 0.000000e+00 32s Root relaxation: objective 9.578443e+04, 18347 iterations, 32.47 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 95784.4256 0 74 - 95784.4256 - - 33s H 0 0 222412.00000 95784.4256 56.9% - 57s 0 0 149847.290 0 13 222412.000 149847.290 32.6% - 99s H 0 0 191943.23329 149847.290 21.9% - 100s H 0 0 180553.00000 149847.290 17.0% - 101s 0 0 160613.738 0 8 180553.000 160613.738 11.0% - 113s H 0 0 177343.00000 160613.738 9.43% - 114s 0 0 162789.101 0 8 177343.000 162789.101 8.21% - 119s 0 0 163042.437 0 3 177343.000 163042.437 8.06% - 121s H 0 0 168465.70247 163042.437 3.22% - 121s H 0 0 167029.00000 163042.437 2.39% - 121s H 0 0 163303.00000 163042.437 0.16% - 121s 0 0 163238.125 0 2 163303.000 163238.125 0.04% - 124s 0 2 163239.104 0 2 163303.000 163239.104 0.04% - 125s Cutting planes: Implied bound: 96 Explored 3 nodes (53418 simplex iterations) in 125.84 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%