Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:27:33 2013 Optimize a model with 160 rows, 5425 columns and 60595 nonzeros Presolve removed 5 rows and 125 columns Presolve time: 0.16s Presolved: 155 rows, 5300 columns, 55595 nonzeros Variable types: 5255 continuous, 45 integer (45 binary) Root relaxation: objective 1.121714e+04, 67 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 11217.1409 0 7 - 11217.1409 - - 0s 0 0 11217.1409 0 7 - 11217.1409 - - 0s 0 0 11217.1493 0 7 - 11217.1493 - - 0s 0 0 11242.8981 0 5 - 11242.8981 - - 0s 0 0 11242.8981 0 5 - 11242.8981 - - 0s H 0 0 11310.443122 11242.8981 0.60% - 0s 0 0 11249.8766 0 4 11310.4431 11249.8766 0.54% - 0s 0 0 11249.8766 0 4 11310.4431 11249.8766 0.54% - 0s 0 0 11249.8766 0 4 11310.4431 11249.8766 0.54% - 0s 0 2 11250.3344 0 4 11310.4431 11250.3344 0.53% - 0s * 7 1 5 11250.404428 11250.4021 0.00% 9.7 0s Cutting planes: Flow cover: 1 Explored 8 nodes (634 simplex iterations) in 0.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.125040442803e+04, best bound 1.125040206694e+04, gap 0.0000%