Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:02:48 2012 Optimize a model with 12407 rows, 17556 columns and 54118 nonzeros Presolve removed 29 rows and 3566 columns Presolve time: 0.22s Presolved: 12378 rows, 13990 columns, 50366 nonzeros Variable types: 0 continuous, 13990 integer (13990 binary) Found heuristic solution: objective 132.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.25 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%