Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:35:04 2012 Optimize a model with 27317 rows, 30450 columns and 111532 nonzeros Presolve removed 350 rows and 2 columns Presolve time: 0.65s Presolved: 27141 rows, 30448 columns, 140628 nonzeros Variable types: 0 continuous, 30448 integer (30448 binary) Found heuristic solution: objective 174.0000000 Root relaxation: objective 3.000000e+00, 20373 iterations, 2.85 seconds Total elapsed time = 10.06s 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% - 10s Explored 0 nodes (47657 simplex iterations) in 10.46 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%