Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:00:11 2012 Optimize a model with 30393 rows, 33306 columns and 123576 nonzeros Presolve removed 1094 rows and 2 columns Presolve time: 0.86s Presolved: 29481 rows, 33304 columns, 153648 nonzeros Variable types: 0 continuous, 33304 integer (33304 binary) Found heuristic solution: objective 182.0000000 Root relaxation: objective 3.000000e+00, 17863 iterations, 2.63 seconds Total elapsed time = 16.07s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 42 182.00000 3.00000 98.4% - 17s H 0 0 3.0000000 3.00000 0.0% - 17s Explored 0 nodes (57803 simplex iterations) in 17.47 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%