Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:38:45 2013 Optimize a model with 2951 rows, 676 columns and 9126 nonzeros Presolve removed 523 rows and 348 columns Presolve time: 0.02s Presolved: 2428 rows, 328 columns, 7536 nonzeros Variable types: 11 continuous, 317 integer (317 binary) Found heuristic solution: objective 12159.000000 Root relaxation: objective 9.332958e+03, 1161 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 9332.95833 0 6 12159.0000 9332.95833 23.2% - 0s H 0 0 9343.0000000 9332.95833 0.11% - 0s 0 0 9335.82180 0 14 9343.00000 9335.82180 0.08% - 0s 0 0 9335.82180 0 6 9343.00000 9335.82180 0.08% - 0s 0 0 9336.07878 0 17 9343.00000 9336.07878 0.07% - 0s H 0 0 9339.0000000 9336.07878 0.03% - 0s 0 0 9336.80733 0 14 9339.00000 9336.80733 0.02% - 0s 0 1 9337.01770 0 14 9339.00000 9337.01770 0.02% - 0s Explored 5 nodes (1286 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.339000000000e+03, best bound 9.339000000000e+03, gap 0.0%