Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:26:10 2012 Optimize a model with 35153 rows, 35910 columns and 140425 nonzeros Presolve removed 380 rows and 2 columns Presolve time: 0.84s Presolved: 34962 rows, 35908 columns, 174833 nonzeros Variable types: 0 continuous, 35908 integer (35908 binary) Found heuristic solution: objective 189.0000000 Root relaxation: objective 3.000000e+00, 21245 iterations, 4.00 seconds Total elapsed time = 18.27s 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 (66703 simplex iterations) in 19.93 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%