Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:36:49 2012 Optimize a model with 480 rows, 1406 columns and 2662 nonzeros Presolve removed 23 rows and 779 columns Presolve time: 0.02s Presolved: 457 rows, 627 columns, 1859 nonzeros Variable types: 0 continuous, 627 integer (627 binary) Found heuristic solution: objective 37.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.02 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%