Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:18:15 2012 Optimize a model with 5958 rows, 3540 columns and 21120 nonzeros Presolve removed 239 rows and 61 columns Presolve time: 0.17s Presolved: 5719 rows, 3479 columns, 20277 nonzeros Variable types: 0 continuous, 3479 integer (3479 binary) Found heuristic solution: objective 59.0000000 Root relaxation: objective 3.000000e+00, 4164 iterations, 0.30 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% - 1s Explored 0 nodes (12150 simplex iterations) in 1.24 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%