Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:37 2012

Optimize a model with 68 rows, 42 columns and 136 nonzeros
Presolve removed 68 rows and 42 columns
Presolve time: 0.00s

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 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%