Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:37:21 2012 Optimize a model with 831 rows, 2756 columns and 4990 nonzeros Presolve removed 31 rows and 1510 columns Presolve time: 0.06s Presolved: 800 rows, 1246 columns, 3450 nonzeros Variable types: 0 continuous, 1246 integer (1246 binary) Found heuristic solution: objective 52.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.06 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%