Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:45 2012 Optimize a model with 289 rows, 227 columns and 578 nonzeros Presolve removed 254 rows and 197 columns Presolve time: 0.00s Presolved: 35 rows, 30 columns, 70 nonzeros Variable types: 0 continuous, 30 integer (30 binary) Found heuristic solution: objective 126.0000000 Root relaxation: objective 1.280000e+02, 31 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 128.0000000 128.00000 0.0% - 0s Explored 0 nodes (42 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.280000000000e+02, best bound 1.280000000000e+02, gap 0.0%