Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:34 2013 Optimize a model with 6525 rows, 6275 columns and 25025 nonzeros Presolve removed 576 rows and 0 columns Presolve time: 0.03s Presolved: 5949 rows, 6275 columns, 23873 nonzeros Variable types: 6250 continuous, 25 integer (25 binary) Root relaxation: objective 2.908606e+04, 765 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 29086.0612 0 1 - 29086.0612 - - 0s H 0 0 29243.000000 29086.0612 0.54% - 0s H 0 0 29117.000000 29086.0612 0.11% - 0s 0 0 29091.4301 0 2 29117.0000 29091.4301 0.09% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (775 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.911700000000e+04, best bound 2.911700000000e+04, gap 0.0%