Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:40:46 2012 Optimize a model with 2889 rows, 7310 columns and 15553 nonzeros Presolve removed 47 rows and 3827 columns Presolve time: 0.11s Presolved: 2842 rows, 3483 columns, 11660 nonzeros Variable types: 0 continuous, 3483 integer (3483 binary) Found heuristic solution: objective 85.0000000 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%