Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:25 2013 Optimize a model with 320 rows, 1010 columns and 2505 nonzeros Presolve removed 10 rows and 15 columns Presolve time: 0.02s Presolved: 310 rows, 995 columns, 1990 nonzeros Variable types: 750 continuous, 245 integer (245 binary) Root relaxation: objective 1.121714e+04, 33 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 1 - 11217.1409 - - 0s 0 0 11217.8072 0 2 - 11217.8072 - - 0s 0 0 11217.8520 0 2 - 11217.8520 - - 0s 0 0 11217.8520 0 2 - 11217.8520 - - 0s 0 2 11218.5400 0 2 - 11218.5400 - - 0s * 39 6 39 11364.823239 11250.3879 1.01% 2.1 0s * 41 0 2 11250.387904 11250.3879 0.0% 2.0 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 42 nodes (178 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.125038790425e+04, best bound 1.125038790425e+04, gap 0.0%