Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:31 2012 Optimize a model with 137 rows, 165 columns and 274 nonzeros Presolve removed 128 rows and 156 columns Presolve time: 0.00s Presolved: 9 rows, 9 columns, 18 nonzeros Variable types: 0 continuous, 9 integer (9 binary) Found heuristic solution: objective 107.0000000 Root relaxation: cutoff, 8 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 107.00000 107.99989 0.93% - 0s Explored 0 nodes (8 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.070000000000e+02, best bound 1.070000000000e+02, gap 0.0%