Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:57:34 2012 Optimize a model with 16477 rows, 23870 columns and 72532 nonzeros Presolve removed 37 rows and 5392 columns Presolve time: 0.31s Presolved: 16440 rows, 18478 columns, 66928 nonzeros Variable types: 0 continuous, 18478 integer (18478 binary) Found heuristic solution: objective 154.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.35 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%