Gurobi 5.0.1 (linux64) logging started Sun Dec 9 21:45:10 2012 Optimize a model with 5970 rows, 5940 columns and 22664 nonzeros Presolve removed 280 rows and 42 columns Presolve time: 0.03s Presolved: 5690 rows, 5898 columns, 22074 nonzeros Variable types: 5546 continuous, 352 integer (352 binary) Root relaxation: objective 1.164584e+05, 564 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 116458.412 0 5 - 116458.412 - - 0s H 0 0 117042.00000 116458.412 0.50% - 0s H 0 0 116624.00000 116458.412 0.14% - 0s 0 0 116475.940 0 11 116624.000 116475.940 0.13% - 0s 0 0 116475.940 0 5 116624.000 116475.940 0.13% - 0s 0 0 116476.588 0 11 116624.000 116476.588 0.13% - 0s 0 0 116495.557 0 18 116624.000 116495.557 0.11% - 0s 0 0 116503.676 0 15 116624.000 116503.676 0.10% - 0s 0 0 116504.523 0 12 116624.000 116504.523 0.10% - 0s 0 2 116516.491 0 12 116624.000 116516.491 0.09% - 0s * 18 7 14 116593.00000 116541.578 0.04% 2.4 0s Cutting planes: Gomory: 1 Cover: 1 Flow cover: 8 Explored 32 nodes (1049 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.165930000000e+05, best bound 1.165839116509e+05, gap 0.0078%