Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:00:56 2012 Optimize a model with 16955 rows, 24806 columns and 74887 nonzeros Presolve removed 34 rows and 5026 columns Presolve time: 0.34s Presolved: 16921 rows, 19780 columns, 69647 nonzeros Variable types: 0 continuous, 19780 integer (19780 binary) Found heuristic solution: objective 157.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.38 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%