Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:54:13 2013 Optimize a model with 66582 rows, 65772 columns and 262602 nonzeros Presolve removed 81 rows and 0 columns Presolve time: 0.30s Presolved: 66501 rows, 65772 columns, 262521 nonzeros Variable types: 65691 continuous, 81 integer (81 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7009 6.7708199e+04 1.332912e+06 0.000000e+00 5s 8645 6.8408923e+04 0.000000e+00 0.000000e+00 9s Root relaxation: objective 6.840892e+04, 8645 iterations, 8.87 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 68408.9228 0 63 - 68408.9228 - - 9s H 0 0 115746.00000 68408.9228 40.9% - 15s 0 0 94679.3619 0 21 115746.000 94679.3619 18.2% - 26s H 0 0 111017.00000 94679.3619 14.7% - 27s 0 0 100226.642 0 8 111017.000 100226.642 9.72% - 31s H 0 0 106445.00000 100226.642 5.84% - 31s 0 0 100402.955 0 4 106445.000 100402.955 5.68% - 32s H 0 0 105425.88373 100402.955 4.76% - 32s H 0 0 103504.00000 100402.955 3.00% - 32s H 0 0 100985.00000 100402.955 0.58% - 33s 0 2 100407.748 0 4 100985.000 100407.748 0.57% - 35s H 8 7 100744.71186 100642.226 0.10% 335 38s H 9 8 100712.24490 100642.226 0.07% 317 38s * 11 5 8 100682.00000 100642.226 0.04% 278 38s Cutting planes: Implied bound: 77 Explored 15 nodes (23194 simplex iterations) in 38.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.006820000000e+05, best bound 1.006810862161e+05, gap 0.0009%