Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:09:43 2012

Optimize a model with 4 rows, 20 columns and 16 nonzeros
Presolve removed 4 rows and 20 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 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%