Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:13:20 2012 Optimize a model with 7079 rows, 14042 columns and 34690 nonzeros Presolve removed 49 rows and 5548 columns Presolve time: 0.14s Presolved: 7030 rows, 8494 columns, 29024 nonzeros Variable types: 0 continuous, 8494 integer (8494 binary) Found heuristic solution: objective 118.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.16 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%