Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:02:01 2012 Optimize a model with 7167 rows, 12656 columns and 33598 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.15s Presolved: 7277 rows, 12654 columns, 46014 nonzeros Variable types: 0 continuous, 12654 integer (12654 binary) Found heuristic solution: objective 112.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.17 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%