Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:46 2012 Optimize a model with 295 rows, 230 columns and 590 nonzeros Presolve removed 231 rows and 177 columns Presolve time: 0.00s Presolved: 64 rows, 53 columns, 128 nonzeros Variable types: 0 continuous, 53 integer (53 binary) Found heuristic solution: objective 125.0000000 Root relaxation: objective 1.275000e+02, 60 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 127.50000 0 31 125.00000 127.50000 2.00% - 0s H 0 0 127.0000000 127.50000 0.39% - 0s Explored 0 nodes (76 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.270000000000e+02, best bound 1.270000000000e+02, gap 0.0%