Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:02:56 2012 Optimize a model with 8587 rows, 12882 columns and 38079 nonzeros Presolve removed 228 rows and 2 columns Presolve time: 0.16s Presolved: 8472 rows, 12880 columns, 50135 nonzeros Variable types: 0 continuous, 12880 integer (12880 binary) Found heuristic solution: objective 113.0000000 Root relaxation: objective 3.000000e+00, 6312 iterations, 0.34 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 15 113.00000 3.00000 97.3% - 2s H 0 0 3.0000000 3.00000 0.0% - 2s Explored 0 nodes (17457 simplex iterations) in 2.22 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%