Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:32:57 2012 Optimize a model with 482 rows, 441 columns and 2865 nonzeros Presolve removed 30 rows and 53 columns Presolve time: 0.02s Presolved: 452 rows, 388 columns, 4370 nonzeros Variable types: 20 continuous, 368 integer (368 binary) Root relaxation: objective 1.848437e+02, 104 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 184.84374 0 43 - 184.84374 - - 0s 0 0 201.09712 0 34 - 201.09712 - - 0s 0 0 207.32978 0 41 - 207.32978 - - 0s 0 0 208.25000 0 29 - 208.25000 - - 0s 0 0 208.25000 0 30 - 208.25000 - - 0s 0 0 208.35714 0 38 - 208.35714 - - 0s 0 0 208.87500 0 34 - 208.87500 - - 0s 0 0 208.87500 0 30 - 208.87500 - - 0s 0 0 209.00000 0 32 - 209.00000 - - 0s 0 0 209.00592 0 36 - 209.00592 - - 0s 0 0 209.05000 0 34 - 209.05000 - - 0s 0 0 209.05000 0 34 - 209.05000 - - 0s 0 2 209.40000 0 34 - 209.40000 - - 0s * 385 135 28 263.0000000 220.95275 16.0% 11.7 0s H 441 139 262.0000000 224.94059 14.1% 12.4 0s H 622 219 260.0000000 227.78351 12.4% 11.3 1s * 878 242 33 258.0000000 230.59577 10.6% 15.0 2s H 1588 415 256.0000000 235.71847 7.92% 13.8 3s H 2420 586 252.0000000 238.89049 5.20% 12.6 4s * 2433 565 44 251.0000000 238.89049 4.82% 12.6 4s * 2853 381 24 249.0000000 241.52027 3.00% 12.4 4s 3601 244 244.70816 39 26 249.00000 244.70552 1.72% 12.3 5s Cutting planes: Learned: 5 Gomory: 14 Cover: 10 Implied bound: 15 Clique: 2 MIR: 47 GUB cover: 22 Zero half: 57 Mod-K: 1 Explored 4018 nodes (48059 simplex iterations) in 5.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.490000000000e+02, best bound 2.490000000000e+02, gap 0.0%