Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:28 2012 Optimize a model with 127 rows, 148 columns and 254 nonzeros Presolve removed 114 rows and 136 columns Presolve time: 0.00s Presolved: 13 rows, 12 columns, 26 nonzeros Variable types: 0 continuous, 12 integer (12 binary) Found heuristic solution: objective 96.0000000 Root relaxation: cutoff, 9 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 96.00000 96.99990 1.04% - 0s Explored 0 nodes (9 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.600000000000e+01, best bound 9.600000000000e+01, gap 0.0%