Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:44:02 2012 Optimize a model with 4939 rows, 9120 columns and 23463 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.14s Presolved: 5032 rows, 9118 columns, 32384 nonzeros Variable types: 0 continuous, 9118 integer (9118 binary) Found heuristic solution: objective 95.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%