Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:01:57 2012 Optimize a model with 8399 rows, 12656 columns and 37294 nonzeros Presolve removed 31 rows and 3250 columns Presolve time: 0.15s Presolved: 8368 rows, 9406 columns, 33896 nonzeros Variable types: 0 continuous, 9406 integer (9406 binary) Found heuristic solution: objective 112.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.17 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%