Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:17:16 2013 Optimize a model with 800 rows, 25400 columns and 50850 nonzeros Presolve removed 100 rows and 150 columns Presolve time: 0.21s Presolved: 700 rows, 25250 columns, 50500 nonzeros Variable types: 25200 continuous, 50 integer (50 binary) Root relaxation: objective 1.650739e+05, 2224 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 165073.856 0 2 - 165073.856 - - 0s H 0 0 169208.68884 165073.856 2.44% - 0s 0 0 165205.091 0 3 169208.689 165205.091 2.37% - 0s 0 0 165283.018 0 2 169208.689 165283.018 2.32% - 0s 0 0 165335.007 0 2 169208.689 165335.007 2.29% - 0s 0 0 165351.377 0 2 169208.689 165351.377 2.28% - 0s 0 0 165358.773 0 2 169208.689 165358.773 2.28% - 0s 0 0 165365.676 0 2 169208.689 165365.676 2.27% - 0s 0 0 165367.084 0 2 169208.689 165367.084 2.27% - 1s 0 0 165371.849 0 2 169208.689 165371.849 2.27% - 1s 0 0 165372.141 0 2 169208.689 165372.141 2.27% - 1s 0 0 165372.973 0 2 169208.689 165372.973 2.27% - 1s 0 0 165373.056 0 2 169208.689 165373.056 2.27% - 1s 0 0 165373.495 0 2 169208.689 165373.495 2.27% - 1s 0 0 165373.848 0 2 169208.689 165373.848 2.27% - 1s 0 0 165373.886 0 2 169208.689 165373.886 2.27% - 1s 0 0 165373.974 0 2 169208.689 165373.974 2.27% - 1s 0 0 165374.013 0 2 169208.689 165374.013 2.27% - 1s 0 0 165374.162 0 2 169208.689 165374.162 2.27% - 1s 0 0 165374.162 0 2 169208.689 165374.162 2.27% - 1s 0 2 165375.283 0 2 169208.689 165375.283 2.27% - 1s * 9 2 8 165600.16715 165600.167 0.0% 62.6 2s Cutting planes: Flow cover: 19 Explored 10 nodes (3471 simplex iterations) in 2.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.656001671541e+05, best bound 1.656001671541e+05, gap 0.0%