Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:47 2012 Optimize a model with 277 rows, 235 columns and 554 nonzeros Presolve removed 260 rows and 219 columns Presolve time: 0.00s Presolved: 17 rows, 16 columns, 34 nonzeros Variable types: 0 continuous, 16 integer (16 binary) Found heuristic solution: objective 134.0000000 Root relaxation: cutoff, 12 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 134.00000 134.99986 0.75% - 0s Explored 0 nodes (12 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.340000000000e+02, best bound 1.340000000000e+02, gap 0.0%