Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:43:41 2013 Optimize a model with 3303 rows, 729 columns and 10206 nonzeros Presolve removed 693 rows and 380 columns Presolve time: 0.03s Presolved: 2610 rows, 349 columns, 8116 nonzeros Variable types: 12 continuous, 337 integer (337 binary) Found heuristic solution: objective 14804.000000 Root relaxation: objective 1.164544e+04, 1544 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 11645.4391 0 6 14804.0000 11645.4391 21.3% - 0s H 0 0 11653.000000 11645.4391 0.06% - 0s 0 0 11648.1968 0 5 11653.0000 11648.1968 0.04% - 0s 0 0 11648.1968 0 5 11653.0000 11648.1968 0.04% - 0s 0 0 11648.2242 0 14 11653.0000 11648.2242 0.04% - 0s H 0 0 11650.000000 11648.2242 0.02% - 0s 0 1 11648.2252 0 14 11650.0000 11648.2252 0.02% - 0s Explored 3 nodes (1654 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.165000000000e+04, best bound 1.165000000000e+04, gap 0.0%