Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:42 2012 Optimize a model with 226 rows, 213 columns and 452 nonzeros Presolve removed 206 rows and 194 columns Presolve time: 0.00s Presolved: 20 rows, 19 columns, 40 nonzeros Variable types: 0 continuous, 19 integer (19 binary) Found heuristic solution: objective 129.0000000 Root relaxation: objective 1.305000e+02, 20 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 130.50000 0 19 129.00000 130.50000 1.16% - 0s H 0 0 130.0000000 130.50000 0.38% - 0s Explored 0 nodes (22 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300000000000e+02, best bound 1.300000000000e+02, gap 0.0%