Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:50 2012 Optimize a model with 300 rows, 248 columns and 600 nonzeros Presolve removed 263 rows and 216 columns Presolve time: 0.00s Presolved: 37 rows, 32 columns, 74 nonzeros Variable types: 0 continuous, 32 integer (32 binary) Found heuristic solution: objective 139.0000000 Root relaxation: cutoff, 32 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 139.00000 139.99986 0.72% - 0s Explored 0 nodes (32 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.390000000000e+02, best bound 1.390000000000e+02, gap 0.0%