Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:07:53 2012 Optimize a model with 341 rows, 342 columns and 1276 nonzeros Presolve removed 3 rows and 20 columns Presolve time: 0.01s Presolved: 338 rows, 322 columns, 1220 nonzeros Variable types: 0 continuous, 322 integer (322 binary) Found heuristic solution: objective 18.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.01 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%