Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:34:44 2012 Optimize a model with 9881 rows, 15006 columns and 44040 nonzeros Presolve removed 273 rows and 3296 columns Presolve time: 0.18s Presolved: 9608 rows, 11710 columns, 39978 nonzeros Variable types: 0 continuous, 11710 integer (11710 binary) Found heuristic solution: objective 122.0000000 Root relaxation: objective 3.000000e+00, 5432 iterations, 0.21 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 133 122.00000 3.00000 97.5% - 2s H 0 0 3.0000000 3.00000 0.0% - 2s Explored 0 nodes (20788 simplex iterations) in 2.39 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%