Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:31 2013 Optimize a model with 352 rows, 10272 columns and 20512 nonzeros Presolve time: 0.02s Presolved: 352 rows, 10272 columns, 20512 nonzeros Variable types: 10240 continuous, 32 integer (32 binary) Root relaxation: objective 3.554059e+04, 560 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 35540.5919 0 8 - 35540.5919 - - 0s H 0 0 35909.000000 35540.5919 1.03% - 0s 0 0 35813.4590 0 1 35909.0000 35813.4590 0.27% - 0s H 0 0 35904.934426 35813.4590 0.25% - 0s H 0 0 35852.000000 35813.4590 0.11% - 0s 0 0 35817.8421 0 1 35852.0000 35817.8421 0.10% - 0s H 0 0 35850.000000 35817.8421 0.09% - 0s H 0 0 35842.000000 35817.8421 0.07% - 0s 0 0 35817.8421 0 1 35842.0000 35817.8421 0.07% - 0s 0 0 35838.2069 0 1 35842.0000 35838.2069 0.01% - 0s Cutting planes: Implied bound: 37 Flow cover: 1 Explored 0 nodes (692 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.584200000000e+04, best bound 3.584200000000e+04, gap 0.0%