Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:52:03 2013 Optimize a model with 91390 rows, 90440 columns and 361190 nonzeros Presolve removed 95 rows and 0 columns Presolve time: 0.45s Presolved: 91295 rows, 90440 columns, 361095 nonzeros Variable types: 90345 continuous, 95 integer (95 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9029 8.0865525e+04 2.567695e+04 0.000000e+00 5s 10739 8.2599332e+04 1.179982e+06 0.000000e+00 10s 12449 8.3361802e+04 1.801083e+04 0.000000e+00 16s 12993 8.3390108e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 8.339011e+04, 12993 iterations, 17.20 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 83390.1079 0 71 - 83390.1079 - - 18s H 0 0 163475.00000 83390.1079 49.0% - 30s 0 0 114252.833 0 18 163475.000 114252.833 30.1% - 59s H 0 0 145057.00000 114252.833 21.2% - 60s 0 0 123854.378 0 8 145057.000 123854.378 14.6% - 68s H 0 0 140596.21949 123854.378 11.9% - 68s H 0 0 133581.00000 123854.378 7.28% - 69s 0 0 124803.907 0 8 133581.000 124803.907 6.57% - 72s 0 0 125714.351 0 3 133581.000 125714.351 5.89% - 75s H 0 0 127128.86596 125714.351 1.11% - 75s H 0 0 126829.00000 125714.351 0.88% - 75s H 0 0 126709.00000 125714.351 0.78% - 76s 0 2 125752.002 0 3 126709.000 125752.002 0.76% - 79s 1 3 125836.834 1 3 126709.000 125836.834 0.69% 205 80s H 8 7 126705.85965 125941.633 0.60% 366 83s * 9 8 8 126349.00000 125941.633 0.32% 432 83s 16 8 126217.286 5 1 126349.000 126044.870 0.24% 391 85s * 18 8 7 126234.00000 126044.870 0.15% 362 85s Cutting planes: Implied bound: 94 Explored 31 nodes (44369 simplex iterations) in 87.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.262340000000e+05, best bound 1.262340000000e+05, gap 0.0%