Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:49 2012 Optimize a model with 303 rows, 243 columns and 606 nonzeros Presolve removed 288 rows and 230 columns Presolve time: 0.00s Presolved: 15 rows, 13 columns, 30 nonzeros Variable types: 0 continuous, 13 integer (13 binary) Found heuristic solution: objective 138.0000000 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 0 138.00000 138.99986 0.72% - 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 1.380000000000e+02, best bound 1.380000000000e+02, gap 0.0%