Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:27:10 2013 Optimize a model with 924 rows, 70644 columns and 141204 nonzeros Presolve time: 0.11s Presolved: 924 rows, 70644 columns, 141204 nonzeros Variable types: 70560 continuous, 84 integer (84 binary) Root relaxation: objective 1.041927e+05, 2815 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 104192.663 0 7 - 104192.663 - - 0s H 0 0 109573.00000 104192.663 4.91% - 0s H 0 0 106091.00000 104192.663 1.79% - 0s 0 0 104269.270 0 3 106091.000 104269.270 1.72% - 0s 0 0 104275.259 0 4 106091.000 104275.259 1.71% - 0s 0 0 104282.234 0 4 106091.000 104282.234 1.70% - 0s 0 0 104285.551 0 3 106091.000 104285.551 1.70% - 0s 0 0 104287.414 0 4 106091.000 104287.414 1.70% - 1s 0 0 104287.442 0 3 106091.000 104287.442 1.70% - 1s 0 0 104287.442 0 3 106091.000 104287.442 1.70% - 1s H 0 0 104473.00000 104287.442 0.18% - 1s 0 0 104291.359 0 4 104473.000 104291.359 0.17% - 1s 0 0 104328.102 0 4 104473.000 104328.102 0.14% - 1s 0 0 104333.804 0 3 104473.000 104333.804 0.13% - 1s 0 0 104343.237 0 3 104473.000 104343.237 0.12% - 2s 0 0 104343.237 0 3 104473.000 104343.237 0.12% - 2s 0 0 104343.251 0 3 104473.000 104343.251 0.12% - 2s 0 0 104343.251 0 3 104473.000 104343.251 0.12% - 2s 0 0 104345.454 0 3 104473.000 104345.454 0.12% - 2s 0 0 104345.454 0 3 104473.000 104345.454 0.12% - 2s 0 0 104345.454 0 3 104473.000 104345.454 0.12% - 2s 0 2 104346.010 0 3 104473.000 104346.010 0.12% - 2s Cutting planes: Implied bound: 62 Flow cover: 2 Explored 8 nodes (5159 simplex iterations) in 2.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.044730000000e+05, best bound 1.044730000000e+05, gap 0.0%