Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:40 2013 Optimize a model with 12635 rows, 12285 columns and 49035 nonzeros Presolve removed 885 rows and 0 columns Presolve time: 0.07s Presolved: 11750 rows, 12285 columns, 47265 nonzeros Variable types: 12250 continuous, 35 integer (35 binary) Root relaxation: objective 4.087226e+04, 2111 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 40872.2632 0 1 - 40872.2632 - - 0s H 0 0 40882.000000 40872.2632 0.02% - 0s 0 0 cutoff 0 40882.0000 40882.0000 0.0% - 0s Explored 0 nodes (2123 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.088200000000e+04, best bound 4.088200000000e+04, gap 0.0%