Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:43:43 2012 Optimize a model with 10416 rows, 15500 columns and 46252 nonzeros Presolve removed 277 rows and 3596 columns Presolve time: 0.20s Presolved: 10139 rows, 11904 columns, 42036 nonzeros Variable types: 0 continuous, 11904 integer (11904 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 3.000000e+00, 11874 iterations, 0.62 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% - 1s Explored 0 nodes (15451 simplex iterations) in 1.33 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%