Gurobi 5.0.1 (linux64) logging started Sun Dec 9 21:45:05 2012 Optimize a model with 5970 rows, 5940 columns and 22641 nonzeros Presolve removed 362 rows and 68 columns Presolve time: 0.03s Presolved: 5608 rows, 5872 columns, 21874 nonzeros Variable types: 5522 continuous, 350 integer (350 binary) Root relaxation: objective 1.275216e+05, 539 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 127521.591 0 5 - 127521.591 - - 0s H 0 0 127702.00000 127521.591 0.14% - 0s 0 0 127540.214 0 10 127702.000 127540.214 0.13% - 0s 0 0 127540.214 0 5 127702.000 127540.214 0.13% - 0s 0 0 127553.120 0 10 127702.000 127553.120 0.12% - 0s 0 0 127555.350 0 6 127702.000 127555.350 0.11% - 0s 0 0 127555.567 0 2 127702.000 127555.567 0.11% - 0s H 0 0 127574.00000 127555.567 0.01% - 0s 0 2 127558.457 0 3 127574.000 127558.457 0.01% - 0s Cutting planes: Gomory: 1 Flow cover: 5 Explored 2 nodes (935 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.275740000000e+05, best bound 1.275660000000e+05, gap 0.0063%