Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:08 2012 Optimize a model with 751 rows, 2256 columns and 4275 nonzeros Presolve removed 29 rows and 1271 columns Presolve time: 0.04s Presolved: 722 rows, 985 columns, 2974 nonzeros Variable types: 0 continuous, 985 integer (985 binary) Found heuristic solution: objective 47.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.05 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%