Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:15:04 2012 Optimize a model with 61 rows, 107 columns and 257 nonzeros Presolve removed 0 rows and 36 columns Presolve time: 0.00s Presolved: 61 rows, 71 columns, 221 nonzeros Variable types: 0 continuous, 71 integer (70 binary) Found heuristic solution: objective 1.0000000 Found heuristic solution: objective 0.0000000 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 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%