Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:06 2013 Optimize a model with 34 rows, 72 columns and 181 nonzeros Presolve removed 34 rows and 72 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 3.501945043754e+03, best bound 3.501945043754e+03, gap 0.0%