Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:39:11 2012 Optimize a model with 2293 rows, 5550 columns and 12060 nonzeros Presolve removed 36 rows and 2518 columns Presolve time: 0.11s Presolved: 2257 rows, 3032 columns, 9482 nonzeros Variable types: 0 continuous, 3032 integer (3032 binary) Found heuristic solution: objective 74.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.12 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%