Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:17:56 2013 Optimize a model with 800 rows, 25350 columns and 50950 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.14s Presolved: 750 rows, 25300 columns, 50750 nonzeros Variable types: 25250 continuous, 50 integer (50 binary) Root relaxation: objective 1.650739e+05, 1953 iterations, 0.08 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 165203.784 0 2 169208.689 165203.784 2.37% - 0s 0 0 165283.476 0 2 169208.689 165283.476 2.32% - 0s 0 0 165333.902 0 2 169208.689 165333.902 2.29% - 0s 0 0 165350.844 0 2 169208.689 165350.844 2.28% - 0s 0 0 165364.664 0 2 169208.689 165364.664 2.27% - 0s 0 0 165369.201 0 2 169208.689 165369.201 2.27% - 0s 0 0 165369.679 0 2 169208.689 165369.679 2.27% - 0s 0 0 165371.662 0 2 169208.689 165371.662 2.27% - 0s 0 0 165372.801 0 2 169208.689 165372.801 2.27% - 0s 0 0 165372.948 0 2 169208.689 165372.948 2.27% - 0s 0 0 165373.243 0 2 169208.689 165373.243 2.27% - 1s 0 0 165373.810 0 2 169208.689 165373.810 2.27% - 1s 0 0 165374.280 0 2 169208.689 165374.280 2.27% - 1s 0 0 165374.349 0 2 169208.689 165374.349 2.27% - 1s 0 0 165374.468 0 2 169208.689 165374.468 2.27% - 1s 0 0 165374.484 0 2 169208.689 165374.484 2.27% - 1s 0 0 165374.565 0 2 169208.689 165374.565 2.27% - 1s 0 0 165374.565 0 2 169208.689 165374.565 2.27% - 1s 0 2 165374.734 0 2 169208.689 165374.734 2.27% - 1s * 8 4 8 165600.16715 165480.086 0.07% 34.1 1s Cutting planes: Flow cover: 19 Explored 12 nodes (3316 simplex iterations) in 1.90 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%