Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:07:43 2012 Optimize a model with 11 rows, 20 columns and 34 nonzeros Presolve removed 5 rows and 11 columns Presolve time: 0.00s Presolved: 6 rows, 9 columns, 18 nonzeros Variable types: 0 continuous, 9 integer (9 binary) Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 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%