Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:35:03 2013 Optimize a model with 2090 rows, 361190 columns and 722190 nonzeros Presolve time: 1.76s Presolved: 2090 rows, 361190 columns, 722190 nonzeros Variable types: 361000 continuous, 190 integer (190 binary) Root relaxation: objective 3.443552e+05, 12356 iterations, 1.68 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 344355.223 0 5 - 344355.223 - - 3s H 0 0 370079.00000 344355.223 6.95% - 5s 0 0 344453.409 0 4 370079.000 344453.409 6.92% - 6s H 0 0 367736.96602 344453.409 6.33% - 6s H 0 0 367263.00000 344453.409 6.21% - 6s 0 0 344486.025 0 4 367263.000 344486.025 6.20% - 7s 0 0 344489.655 0 4 367263.000 344489.655 6.20% - 8s H 0 0 357753.00000 344489.655 3.71% - 8s 0 0 344489.947 0 3 357753.000 344489.947 3.71% - 9s 0 0 344490.092 0 4 357753.000 344490.092 3.71% - 10s 0 0 344498.108 0 3 357753.000 344498.108 3.71% - 10s 0 0 344498.108 0 3 357753.000 344498.108 3.71% - 11s 0 0 344498.713 0 2 357753.000 344498.713 3.70% - 12s H 0 0 357730.00000 344498.713 3.70% - 12s 0 0 344498.713 0 2 357730.000 344498.713 3.70% - 13s H 0 0 357727.00000 344498.713 3.70% - 13s 0 0 344498.713 0 2 357727.000 344498.713 3.70% - 13s 0 0 344498.713 0 2 357727.000 344498.713 3.70% - 14s 0 0 344498.713 0 5 357727.000 344498.713 3.70% - 19s 0 0 344498.713 0 4 357727.000 344498.713 3.70% - 20s 0 0 344498.713 0 4 357727.000 344498.713 3.70% - 21s 0 0 344498.713 0 4 357727.000 344498.713 3.70% - 22s H 0 0 357689.00000 344498.713 3.69% - 22s 0 0 344498.713 0 3 357689.000 344498.713 3.69% - 23s 0 0 344498.713 0 4 357689.000 344498.713 3.69% - 23s 0 0 344498.713 0 4 357689.000 344498.713 3.69% - 24s 0 0 344498.713 0 3 357689.000 344498.713 3.69% - 25s 0 0 344498.713 0 2 357689.000 344498.713 3.69% - 25s 0 0 344498.713 0 2 357689.000 344498.713 3.69% - 26s 0 2 344511.210 0 2 357689.000 344511.210 3.68% - 28s H 3 3 350902.76796 344752.949 1.75% 192 30s H 4 4 347577.43836 344817.551 0.79% 180 30s H 6 6 347134.00000 344850.678 0.66% 300 32s H 7 7 347080.00000 344850.678 0.64% 283 32s H 11 11 346155.00000 344850.678 0.38% 205 33s H 13 12 346115.00000 344850.678 0.37% 189 33s H 19 11 345333.00000 344850.678 0.14% 141 34s 23 12 345193.455 18 1 345333.000 344850.678 0.14% 124 35s H 25 11 345325.00000 344850.678 0.14% 116 35s H 27 12 345296.00000 344850.678 0.13% 109 35s H 27 12 345267.00000 344850.678 0.12% 109 35s * 43 14 12 345160.00000 344908.665 0.07% 106 37s * 64 13 16 345140.00000 345042.347 0.03% 84.6 38s 80 9 345082.974 5 2 345140.000 345080.156 0.02% 78.6 40s Cutting planes: Implied bound: 152 Flow cover: 2 Explored 89 nodes (33082 simplex iterations) in 40.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.451400000000e+05, best bound 3.451189613260e+05, gap 0.0061%