Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:13:48 2012 Optimize a model with 33285 rows, 35156 columns and 134077 nonzeros Presolve removed 399 rows and 4303 columns Presolve time: 0.80s Presolved: 32886 rows, 30853 columns, 128489 nonzeros Variable types: 0 continuous, 30853 integer (30853 binary) Found heuristic solution: objective 187.0000000 Root relaxation: objective 3.000000e+00, 22083 iterations, 2.85 seconds Total elapsed time = 16.85s 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% - 19s Explored 0 nodes (61584 simplex iterations) in 19.31 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%