Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:07:45 2012

Optimize a model with 47 rows, 72 columns and 174 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.00s
Presolved: 53 rows, 70 columns, 226 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 8.0000000
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%