Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:13 2012 Optimize a model with 660 rows, 930 columns and 2790 nonzeros Presolve removed 66 rows and 180 columns Presolve time: 0.01s Presolved: 594 rows, 750 columns, 2460 nonzeros Variable types: 0 continuous, 750 integer (750 binary) Found heuristic solution: objective 10.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: cutoff, 624 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 3.00000 2.00000 33.3% - 0s Explored 0 nodes (624 simplex iterations) in 0.02 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%