Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:50 2012 Optimize a model with 299 rows, 246 columns and 598 nonzeros Presolve removed 277 rows and 228 columns Presolve time: 0.00s Presolved: 22 rows, 18 columns, 44 nonzeros Variable types: 0 continuous, 18 integer (18 binary) Found heuristic solution: objective 142.0000000 Root relaxation: cutoff, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 142.00000 142.99986 0.70% - 0s Explored 0 nodes (16 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.420000000000e+02, best bound 1.420000000000e+02, gap 0.0%