Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:18:01 2012 Optimize a model with 5723 rows, 3540 columns and 20473 nonzeros Presolve removed 651 rows and 118 columns Presolve time: 0.13s Presolved: 5072 rows, 3422 columns, 18821 nonzeros Variable types: 0 continuous, 3422 integer (3422 binary) Found heuristic solution: objective 30.0000000 Root relaxation: objective 3.000000e+00, 5114 iterations, 0.43 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 (12681 simplex iterations) in 1.30 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%