Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:26 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 9.601887e+03, 37 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 9601.88662 0 1 - 9601.88662 - - 0s 0 0 9602.33317 0 2 - 9602.33317 - - 0s 0 0 9602.33317 0 2 - 9602.33317 - - 0s 0 0 9602.33317 0 2 - 9602.33317 - - 0s H 0 0 9667.6565769 9602.33317 0.68% - 0s 0 2 9602.40791 0 2 9667.65658 9602.40791 0.67% - 0s * 75 29 75 9659.5026973 9610.95438 0.50% 1.6 0s H 81 4 9635.7215361 9616.32821 0.20% 1.6 0s * 99 5 7 9629.3345922 9624.20662 0.05% 1.7 0s * 101 2 6 9627.6488021 9624.20662 0.04% 1.7 0s * 102 0 4 9624.2066185 9624.20662 0.0% 1.7 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 103 nodes (315 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.624206618510e+03, best bound 9.624206618510e+03, gap 0.0%