Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:27:20 2012 Optimize a model with 442 rows, 441 columns and 1998 nonzeros Presolve removed 131 rows and 80 columns Presolve time: 0.02s Presolved: 311 rows, 361 columns, 3837 nonzeros Variable types: 20 continuous, 341 integer (341 binary) Root relaxation: objective 1.486014e+02, 95 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 148.60136 0 27 - 148.60136 - - 0s 0 0 189.47368 0 28 - 189.47368 - - 0s 0 0 189.87179 0 31 - 189.87179 - - 0s 0 0 191.00000 0 14 - 191.00000 - - 0s 0 0 192.00000 0 30 - 192.00000 - - 0s 0 0 192.00000 0 32 - 192.00000 - - 0s 0 0 192.00000 0 27 - 192.00000 - - 0s 0 0 192.00000 0 27 - 192.00000 - - 0s 0 0 192.00000 0 35 - 192.00000 - - 0s 0 0 192.00000 0 35 - 192.00000 - - 0s H 0 0 373.0000000 192.00000 48.5% - 0s 0 2 194.00000 0 33 373.00000 194.00000 48.0% - 0s H 218 133 285.0000000 200.84396 29.5% 7.5 0s * 388 270 37 284.0000000 205.63415 27.6% 6.7 0s * 394 267 36 283.0000000 205.63415 27.3% 6.6 0s H 600 299 263.0000000 217.62069 17.3% 6.3 0s H 696 316 252.0000000 217.62069 13.6% 9.4 1s H 744 298 247.0000000 217.62069 11.9% 9.6 1s * 935 299 51 244.0000000 219.57042 10.0% 9.3 1s H 949 275 241.0000000 219.88858 8.76% 9.3 1s Cutting planes: Gomory: 3 Implied bound: 7 Clique: 2 MIR: 2 GUB cover: 1 Zero half: 15 Explored 2506 nodes (22579 simplex iterations) in 2.80 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.410000000000e+02, best bound 2.410000000000e+02, gap 0.0%