Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:16:39 2012 Optimize a model with 5935 rows, 3192 columns and 20718 nonzeros Presolve removed 675 rows and 58 columns Presolve time: 0.15s Presolved: 5260 rows, 3134 columns, 18794 nonzeros Variable types: 0 continuous, 3134 integer (3134 binary) Found heuristic solution: objective 56.0000000 Root relaxation: objective 3.000000e+00, 4049 iterations, 0.35 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 (13083 simplex iterations) in 1.20 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%