Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:24 2013

Optimize a model with 21 rows, 23 columns and 60 nonzeros
Presolve removed 21 rows and 23 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 2.970068572376e+03, best bound 2.970068572376e+03, gap 0.0%