Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:27:05 2012 Optimize a model with 8960 rows, 4970 columns and 31570 nonzeros Presolve removed 980 rows and 0 columns Presolve time: 0.15s Presolved: 7980 rows, 4970 columns, 29190 nonzeros Variable types: 0 continuous, 4970 integer (4970 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 3.000000e+00, 7681 iterations, 0.82 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 (11291 simplex iterations) in 1.60 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%