Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:18 2012 Optimize a model with 743 rows, 992 columns and 3067 nonzeros Presolve removed 76 rows and 374 columns Presolve time: 0.03s Presolved: 667 rows, 618 columns, 2496 nonzeros Variable types: 0 continuous, 618 integer (618 binary) Found heuristic solution: objective 31.0000000 Root relaxation: objective 3.000000e+00, 607 iterations, 0.01 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 (607 simplex iterations) in 0.04 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%