Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:03:10 2012 Optimize a model with 34220 rows, 33672 columns and 135418 nonzeros Presolve removed 734 rows and 2 columns Presolve time: 0.82s Presolved: 33669 rows, 33670 columns, 166711 nonzeros Variable types: 0 continuous, 33670 integer (33670 binary) Found heuristic solution: objective 183.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: infeasible, 307 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 infeasible 0 3.00000 2.00000 33.3% - 0s Explored 0 nodes (307 simplex iterations) in 0.94 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%