Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:52:02 2013 Optimize a model with 10700 rows, 35100 columns and 90050 nonzeros Presolve removed 150 rows and 100 columns Presolve time: 0.28s Presolved: 10550 rows, 35000 columns, 79900 nonzeros Variable types: 30050 continuous, 4950 integer (4950 binary) Root relaxation: objective 1.959342e+05, 8029 iterations, 0.36 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 195934.242 0 3 - 195934.242 - - 0s 0 0 196095.435 0 3 - 196095.435 - - 0s 0 0 196131.445 0 3 - 196131.445 - - 1s 0 0 196133.698 0 4 - 196133.698 - - 1s 0 0 196133.698 0 4 - 196133.698 - - 1s 0 0 196137.164 0 3 - 196137.164 - - 1s 0 0 196139.914 0 4 - 196139.914 - - 1s 0 0 196141.994 0 3 - 196141.994 - - 1s 0 0 196142.923 0 3 - 196142.923 - - 1s 0 0 196144.437 0 3 - 196144.437 - - 1s 0 0 196145.055 0 3 - 196145.055 - - 2s 0 0 196145.273 0 3 - 196145.273 - - 2s 0 0 196146.217 0 3 - 196146.217 - - 2s 0 0 196146.940 0 3 - 196146.940 - - 2s 0 0 196147.492 0 3 - 196147.492 - - 2s 0 0 196148.970 0 3 - 196148.970 - - 2s 0 0 196148.970 0 3 - 196148.970 - - 2s 0 0 196150.903 0 3 - 196150.903 - - 2s 0 0 196150.903 0 3 - 196150.903 - - 3s 0 0 196151.663 0 3 - 196151.663 - - 3s 0 0 196153.492 0 3 - 196153.492 - - 3s 0 0 196153.492 0 3 - 196153.492 - - 3s 0 0 196154.083 0 3 - 196154.083 - - 3s 0 0 196154.976 0 3 - 196154.976 - - 3s 0 0 196154.976 0 3 - 196154.976 - - 3s 0 0 196155.120 0 3 - 196155.120 - - 3s 0 0 196155.120 0 3 - 196155.120 - - 4s 0 2 196159.890 0 3 - 196159.890 - - 5s H 79 13 196567.10915 196330.701 0.12% 18.1 9s H 79 13 196566.95991 196330.701 0.12% 18.1 9s H 92 20 196565.94194 196330.701 0.12% 19.0 9s H 95 22 196565.57890 196330.701 0.12% 18.6 9s H 106 24 196565.17105 196330.701 0.12% 17.1 10s Cutting planes: Gomory: 1 Flow cover: 41 Explored 310 nodes (14181 simplex iterations) in 12.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965651710463e+05, best bound 1.965463540247e+05, gap 0.0096%