Gurobi 5.0.1 (linux64) logging started Sun Dec  2 01:04:22 2012

Optimize a model with 64966418 rows, 64965612 columns and 259538436 nonzeros
Presolve removed 0 rows and 0 columns (presolve time = 2244s) ...
Presolve removed 0 rows and 0 columns (presolve time = 3122s) ...
Presolve time: 3954.70s

Explored 0 nodes (0 simplex iterations) in 3960.64 seconds
Thread count was 1 (of 16 available processors)

Time limit reached
Best objective -, best bound -, gap -

Gurobi 5.0.1 (linux64) logging started Sat Dec  1 04:39:11 2012