Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:49 2012 Optimize a model with 289 rows, 243 columns and 578 nonzeros Presolve removed 158 rows and 140 columns Presolve time: 0.00s Presolved: 131 rows, 103 columns, 263 nonzeros Variable types: 0 continuous, 103 integer (103 binary) Found heuristic solution: objective 132.0000000 Root relaxation: objective 1.400000e+02, 113 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 140.0000000 140.00000 0.0% - 0s Explored 0 nodes (113 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.400000000000e+02, best bound 1.400000000000e+02, gap 0.0%