Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:22:40 2012 Optimize a model with 10079 rows, 14520 columns and 44158 nonzeros Presolve removed 269 rows and 3242 columns Presolve time: 0.18s Presolved: 9810 rows, 11278 columns, 40154 nonzeros Variable types: 0 continuous, 11278 integer (11278 binary) Found heuristic solution: objective 120.0000000 Root relaxation: objective 3.000000e+00, 5476 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (5476 simplex iterations) in 0.31 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%