Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:17:57 2012 Optimize a model with 24863 rows, 28392 columns and 102142 nonzeros Presolve removed 530 rows and 4034 columns Presolve time: 0.61s Presolved: 24333 rows, 24358 columns, 96644 nonzeros Variable types: 0 continuous, 24358 integer (24358 binary) Found heuristic solution: objective 168.0000000 Root relaxation: objective 3.000000e+00, 19095 iterations, 2.04 seconds Total elapsed time = 8.49s 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% - 9s Explored 0 nodes (46323 simplex iterations) in 9.16 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%