Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:33:51 2012 Optimize a model with 482 rows, 441 columns and 2854 nonzeros Presolve removed 33 rows and 56 columns Presolve time: 0.01s Presolved: 449 rows, 385 columns, 4381 nonzeros Variable types: 20 continuous, 365 integer (365 binary) Root relaxation: objective 2.020828e+02, 112 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 202.08284 0 49 - 202.08284 - - 0s 0 0 219.52393 0 40 - 219.52393 - - 0s 0 0 221.15418 0 42 - 221.15418 - - 0s 0 0 221.40000 0 42 - 221.40000 - - 0s 0 0 221.57633 0 48 - 221.57633 - - 0s 0 0 221.92591 0 47 - 221.92591 - - 0s 0 0 222.08024 0 46 - 222.08024 - - 0s 0 0 222.11741 0 46 - 222.11741 - - 0s 0 0 222.18255 0 45 - 222.18255 - - 0s 0 0 222.18255 0 45 - 222.18255 - - 0s 0 0 222.18255 0 45 - 222.18255 - - 0s 0 2 222.47727 0 45 - 222.47727 - - 0s * 707 460 51 403.0000000 247.52790 38.6% 11.9 2s * 769 436 46 352.0000000 247.52790 29.7% 12.4 2s * 780 410 52 342.0000000 247.52790 27.6% 12.3 2s H 872 404 335.0000000 247.52790 26.1% 13.3 2s H 953 385 320.0000000 247.52790 22.6% 13.1 2s H 994 307 300.0000000 247.52790 17.5% 12.8 2s H 1061 293 297.0000000 248.61881 16.3% 13.3 2s H 1088 256 294.0000000 248.84615 15.4% 13.5 2s 2889 362 276.18695 23 40 294.00000 267.17823 9.12% 14.9 5s * 4988 182 34 293.0000000 284.00000 3.07% 13.8 6s Cutting planes: Learned: 3 Gomory: 5 Cover: 13 Implied bound: 16 Clique: 3 MIR: 60 GUB cover: 22 Zero half: 110 Explored 5454 nodes (72777 simplex iterations) in 7.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.930000000000e+02, best bound 2.930000000000e+02, gap 0.0%