Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:59:00 2012 Optimize a model with 6539 rows, 11990 columns and 31063 nonzeros Presolve removed 438 rows and 2 columns Presolve time: 0.14s Presolved: 6210 rows, 11988 columns, 41742 nonzeros Variable types: 0 continuous, 11988 integer (11988 binary) Found heuristic solution: objective 109.0000000 Root relaxation: objective 3.000000e+00, 4271 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (9678 simplex iterations) in 0.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%