Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:08 2012

Optimize a model with 21 rows, 36 columns and 86 nonzeros
Presolve removed 0 rows and 9 columns
Presolve time: 0.00s
Presolved: 21 rows, 27 columns, 77 nonzeros
Variable types: 0 continuous, 27 integer (26 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%