Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:09:54 2012 Optimize a model with 230 rows, 462 columns and 1048 nonzeros Presolve removed 10 rows and 170 columns Presolve time: 0.00s Presolved: 220 rows, 292 columns, 858 nonzeros Variable types: 0 continuous, 292 integer (292 binary) Found heuristic solution: objective 21.0000000 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%