Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:55:05 2012 Optimize a model with 6404 rows, 11130 columns and 29818 nonzeros Presolve removed 35 rows and 3467 columns Presolve time: 0.14s Presolved: 6369 rows, 7663 columns, 26231 nonzeros Variable types: 0 continuous, 7663 integer (7663 binary) Found heuristic solution: objective 105.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.16 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%