Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:18:33 2012 Optimize a model with 5400 rows, 3660 columns and 19620 nonzeros Presolve removed 722 rows and 120 columns Presolve time: 0.12s Presolved: 4678 rows, 3540 columns, 17700 nonzeros Variable types: 0 continuous, 3540 integer (3540 binary) Found heuristic solution: objective 34.0000000 Root relaxation: objective 3.000000e+00, 4622 iterations, 0.25 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% - 0s Explored 0 nodes (8412 simplex iterations) in 0.60 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%