Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:15 2013 Optimize a model with 14858 rows, 14478 columns and 57798 nonzeros Presolve removed 2150 rows and 0 columns Presolve time: 0.08s Presolved: 12708 rows, 14478 columns, 53498 nonzeros Variable types: 14440 continuous, 38 integer (38 binary) Root relaxation: objective 4.047967e+04, 2229 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 40479.6737 0 1 - 40479.6737 - - 0s H 0 0 40949.000000 40479.6737 1.15% - 0s H 0 0 40942.000000 40479.6737 1.13% - 0s H 0 0 40480.000000 40479.6737 0.00% - 0s Explored 0 nodes (2229 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.048000000000e+04, best bound 4.047967368421e+04, gap 0.0008%