Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:10 2013 Optimize a model with 8148 rows, 7868 columns and 31388 nonzeros Presolve removed 757 rows and 0 columns Presolve time: 0.04s Presolved: 7391 rows, 7868 columns, 29874 nonzeros Variable types: 7840 continuous, 28 integer (28 binary) Root relaxation: objective 3.315100e+04, 963 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 33151.000000 33151.0000 0.0% - 0s Explored 0 nodes (963 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.315100000000e+04, best bound 3.315100000000e+04, gap 0.0%