Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:58:07 2012 Optimize a model with 5723 rows, 11772 columns and 28402 nonzeros Presolve removed 40 rows and 4106 columns Presolve time: 0.14s Presolved: 5683 rows, 7666 columns, 24192 nonzeros Variable types: 0 continuous, 7666 integer (7666 binary) Found heuristic solution: objective 108.0000000 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%