Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:34 2013 Optimize a model with 10624 rows, 10304 columns and 41024 nonzeros Presolve removed 32 rows and 0 columns Presolve time: 0.05s Presolved: 10592 rows, 10304 columns, 40992 nonzeros Variable types: 10272 continuous, 32 integer (32 binary) Root relaxation: objective 3.371985e+04, 2122 iterations, 0.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33719.8461 0 28 - 33719.8461 - - 0s H 0 0 39150.000000 33719.8461 13.9% - 0s 0 0 37179.0852 0 1 39150.0000 37179.0852 5.03% - 0s H 0 0 37500.508933 37179.0852 0.86% - 0s H 0 0 37327.000000 37179.0852 0.40% - 0s H 0 0 37219.000000 37179.0852 0.11% - 0s Cutting planes: Gomory: 1 Implied bound: 26 Explored 0 nodes (2680 simplex iterations) in 0.67 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.721900000000e+04, best bound 3.721900000000e+04, gap 0.0%