Gurobi 5.0.1 (linux64) logging started Sat Dec  8 03:33:12 2012

Optimize a model with 555 rows, 540 columns and 1783 nonzeros
Presolve removed 84 rows and 67 columns
Presolve time: 0.01s

Explored 0 nodes (0 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Model is infeasible
Best objective -, best bound -, gap -