Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:50 2012 Optimize a model with 327 rows, 246 columns and 654 nonzeros Presolve removed 290 rows and 215 columns Presolve time: 0.00s Presolved: 37 rows, 31 columns, 74 nonzeros Variable types: 0 continuous, 31 integer (31 binary) Found heuristic solution: objective 131.0000000 Root relaxation: objective 1.325000e+02, 36 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 132.50000 0 31 131.00000 132.50000 1.15% - 0s H 0 0 132.0000000 132.50000 0.38% - 0s Explored 0 nodes (41 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.320000000000e+02, best bound 1.320000000000e+02, gap 0.0%