Gurobi 5.0.1 (linux64) logging started Sun Dec 9 21:44:22 2012 Optimize a model with 1110 rows, 1080 columns and 3576 nonzeros Presolve removed 54 rows and 32 columns Presolve time: 0.01s Presolved: 1056 rows, 1048 columns, 3448 nonzeros Variable types: 698 continuous, 350 integer (350 binary) Root relaxation: objective 9.375415e+04, 522 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 93754.1498 0 166 - 93754.1498 - - 0s H 0 0 159678.00000 93754.1498 41.3% - 0s 0 0 114654.374 0 32 159678.000 114654.374 28.2% - 0s H 0 0 132194.64831 114654.374 13.3% - 0s 0 0 115696.576 0 20 132194.648 115696.576 12.5% - 0s 0 0 115948.098 0 16 132194.648 115948.098 12.3% - 0s 0 0 116048.901 0 16 132194.648 116048.901 12.2% - 0s 0 0 116095.270 0 4 132194.648 116095.270 12.2% - 0s H 0 0 116427.00000 116095.270 0.28% - 0s 0 2 116098.568 0 4 116427.000 116098.568 0.28% - 0s H 16 2 116425.00000 116100.470 0.28% 2.8 0s * 43 11 9 116256.00000 116105.040 0.13% 2.6 0s * 44 6 9 116205.00000 116105.040 0.09% 2.6 0s Cutting planes: Gomory: 20 Cover: 1 Implied bound: 1 Flow cover: 90 Flow path: 86 Explored 66 nodes (943 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.162050000000e+05, best bound 1.162050000000e+05, gap 0.0%