Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:40:44 2013 Optimize a model with 10160 rows, 21030 columns and 72050 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.23s Presolved: 10150 rows, 21020 columns, 62040 nonzeros Variable types: 11020 continuous, 10000 integer (10000 binary) Root relaxation: objective 2.387367e+04, 241 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23873.6700 0 2 - 23873.6700 - - 2s 0 0 23878.5949 0 2 - 23878.5949 - - 2s 0 0 23880.5194 0 2 - 23880.5194 - - 2s 0 0 23881.1221 0 3 - 23881.1221 - - 2s 0 0 23881.9637 0 2 - 23881.9637 - - 2s 0 0 23882.7872 0 2 - 23882.7872 - - 2s 0 0 23883.1600 0 2 - 23883.1600 - - 2s 0 0 23884.1984 0 2 - 23884.1984 - - 2s 0 0 23884.4230 0 6 - 23884.4230 - - 3s 0 0 23885.1248 0 2 - 23885.1248 - - 3s 0 0 23885.3173 0 6 - 23885.3173 - - 3s 0 0 23885.9664 0 2 - 23885.9664 - - 3s 0 0 23886.0770 0 5 - 23886.0770 - - 3s 0 0 23886.7413 0 2 - 23886.7413 - - 3s 0 0 23886.9923 0 8 - 23886.9923 - - 3s 0 0 23887.4615 0 2 - 23887.4615 - - 3s 0 0 23887.7839 0 5 - 23887.7839 - - 3s 0 0 23888.1362 0 2 - 23888.1362 - - 3s 0 0 23888.1896 0 11 - 23888.1896 - - 3s 0 0 23888.7721 0 2 - 23888.7721 - - 3s 0 0 23888.7925 0 7 - 23888.7925 - - 3s 0 0 23889.3745 0 2 - 23889.3745 - - 4s 0 0 23889.4190 0 3 - 23889.4190 - - 4s 0 0 23889.4925 0 5 - 23889.4925 - - 4s 0 0 23889.4967 0 4 - 23889.4967 - - 4s 0 0 23889.5161 0 10 - 23889.5161 - - 4s 0 0 23889.9476 0 2 - 23889.9476 - - 4s 0 0 23890.1525 0 7 - 23890.1525 - - 4s 0 0 23890.4946 0 2 - 23890.4946 - - 4s 0 0 23890.5550 0 9 - 23890.5550 - - 4s 0 0 23891.0185 0 2 - 23891.0185 - - 4s 0 0 23891.0608 0 4 - 23891.0608 - - 4s 0 0 23891.3554 0 5 - 23891.3554 - - 4s 0 0 23891.4862 0 13 - 23891.4862 - - 4s 0 0 23891.5215 0 2 - 23891.5215 - - 4s 0 0 23891.5525 0 18 - 23891.5525 - - 5s 0 0 23892.0056 0 2 - 23892.0056 - - 5s 0 0 23892.0387 0 19 - 23892.0387 - - 5s 0 0 23892.4725 0 2 - 23892.4725 - - 5s 0 0 23892.5423 0 20 - 23892.5423 - - 5s 0 0 23892.6246 0 14 - 23892.6246 - - 5s 0 0 23892.8011 0 7 - 23892.8011 - - 5s 0 0 23892.9236 0 2 - 23892.9236 - - 5s 0 0 23892.9425 0 17 - 23892.9425 - - 5s 0 0 23893.0547 0 8 - 23893.0547 - - 5s 0 0 23893.1108 0 15 - 23893.1108 - - 5s 0 0 23893.2236 0 21 - 23893.2236 - - 6s 0 0 23893.2303 0 21 - 23893.2303 - - 6s 0 0 23893.2771 0 20 - 23893.2771 - - 6s 0 0 23893.2779 0 21 - 23893.2779 - - 6s 0 0 23893.2779 0 21 - 23893.2779 - - 6s 0 2 23893.2779 0 21 - 23893.2779 - - 8s * 20 6 10 23950.729889 23950.7299 0.0% 82.0 8s Cutting planes: Gomory: 1 Implied bound: 52 Flow cover: 8 Explored 21 nodes (3118 simplex iterations) in 8.85 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.395072988868e+04, best bound 2.395072988868e+04, gap 0.0%