Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:41 2013 Optimize a model with 297 rows, 793 columns and 33492 nonzeros Presolve removed 80 rows and 314 columns Presolve time: 0.15s Presolved: 217 rows, 479 columns, 24342 nonzeros Variable types: 0 continuous, 479 integer (479 binary) Found heuristic solution: objective 495.0000000 Root relaxation: objective 4.825000e+02, 62 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 482.50000 0 6 495.00000 482.50000 2.53% - 0s Explored 0 nodes (95 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.950000000000e+02, best bound 4.950000000000e+02, gap 0.0%