Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:36 2013

Optimize a model with 7 rows, 9 columns and 18 nonzeros
Presolve removed 4 rows and 4 columns
Presolve time: 0.00s
Presolved: 3 rows, 5 columns, 9 nonzeros
Variable types: 2 continuous, 3 integer (3 binary)
Found heuristic solution: objective 47.0000000

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 4.700000000000e+01, best bound 4.700000000000e+01, gap 0.0%