Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:47:27 2012 Optimize a model with 15335 rows, 20306 columns and 65602 nonzeros Presolve removed 309 rows and 3268 columns Presolve time: 0.30s Presolved: 15026 rows, 17038 columns, 61414 nonzeros Variable types: 0 continuous, 17038 integer (17038 binary) Found heuristic solution: objective 142.0000000 Root relaxation: objective 3.000000e+00, 10805 iterations, 0.67 seconds Total elapsed time = 5.01s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 90 142.00000 3.00000 97.9% - 5s H 0 0 3.0000000 3.00000 0.0% - 5s Explored 0 nodes (32391 simplex iterations) in 5.18 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%