Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:13:22 2012

Optimize a model with 21 rows, 50 columns and 100 nonzeros
Presolve removed 7 rows and 33 columns
Presolve time: 0.00s
Presolved: 14 rows, 17 columns, 42 nonzeros
Variable types: 0 continuous, 17 integer (17 binary)
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%