Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:11:22 2012 Optimize a model with 6902 rows, 13806 columns and 33928 nonzeros Presolve removed 47 rows and 5267 columns Presolve time: 0.13s Presolved: 6855 rows, 8539 columns, 28545 nonzeros Variable types: 0 continuous, 8539 integer (8539 binary) Found heuristic solution: objective 117.0000000 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%