Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:59:31 2013 Optimize a model with 1078 rows, 96138 columns and 192178 nonzeros Presolve time: 0.16s Presolved: 1078 rows, 96138 columns, 192178 nonzeros Variable types: 96040 continuous, 98 integer (98 binary) Root relaxation: objective 1.625830e+05, 5188 iterations, 0.24 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 162583.031 0 4 - 162583.031 - - 0s H 0 0 167572.00000 162583.031 2.98% - 0s 0 0 162938.291 0 5 167572.000 162938.291 2.77% - 1s 0 0 163005.059 0 5 167572.000 163005.059 2.73% - 1s 0 0 163027.129 0 5 167572.000 163027.129 2.71% - 1s 0 0 163037.551 0 4 167572.000 163037.551 2.71% - 1s 0 0 163037.551 0 4 167572.000 163037.551 2.71% - 1s 0 0 163040.673 0 4 167572.000 163040.673 2.70% - 1s 0 0 163041.610 0 4 167572.000 163041.610 2.70% - 2s 0 0 163041.610 0 4 167572.000 163041.610 2.70% - 2s 0 0 163041.610 0 4 167572.000 163041.610 2.70% - 2s 0 0 163041.610 0 4 167572.000 163041.610 2.70% - 2s H 0 0 163303.00000 163041.610 0.16% - 3s 0 0 163195.621 0 2 163303.000 163195.621 0.07% - 3s 0 0 163238.125 0 2 163303.000 163238.125 0.04% - 3s 0 0 163238.125 0 2 163303.000 163238.125 0.04% - 3s 0 0 163238.125 0 2 163303.000 163238.125 0.04% - 3s 0 0 163238.125 0 2 163303.000 163238.125 0.04% - 3s 0 0 163238.125 0 2 163303.000 163238.125 0.04% - 3s Cutting planes: Implied bound: 43 Flow cover: 1 Explored 0 nodes (9378 simplex iterations) in 4.04 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%