Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:31:54 2012 Optimize a model with 442 rows, 441 columns and 2019 nonzeros Presolve removed 77 rows and 48 columns Presolve time: 0.01s Presolved: 365 rows, 393 columns, 5247 nonzeros Variable types: 20 continuous, 373 integer (373 binary) Root relaxation: objective 1.508821e+02, 111 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 150.88209 0 43 - 150.88209 - - 0s 0 0 189.56281 0 37 - 189.56281 - - 0s 0 0 192.23616 0 41 - 192.23616 - - 0s 0 0 192.33333 0 39 - 192.33333 - - 0s 0 0 192.50000 0 38 - 192.50000 - - 0s 0 0 192.50000 0 38 - 192.50000 - - 0s 0 2 193.00000 0 34 - 193.00000 - - 0s * 264 204 70 322.0000000 197.49056 38.7% 11.6 0s H 430 295 320.0000000 197.99402 38.1% 11.3 0s H 565 373 312.0000000 198.61296 36.3% 10.3 0s H 721 449 303.0000000 200.96447 33.7% 10.1 1s H 721 427 285.0000000 200.96447 29.5% 10.1 1s H 776 427 265.0000000 202.13642 23.7% 13.3 1s H 885 434 264.0000000 202.57827 23.3% 14.5 1s H 1144 406 252.0000000 203.48338 19.3% 15.1 2s * 1503 400 23 251.0000000 208.49339 16.9% 16.3 2s * 2188 445 53 243.0000000 213.84737 12.0% 16.1 3s H 2247 411 241.0000000 214.24757 11.1% 16.1 3s * 2716 451 57 240.0000000 217.00000 9.58% 16.7 4s 3018 407 226.12113 30 28 240.00000 217.00000 9.58% 17.0 5s H 3106 374 239.0000000 217.00000 9.21% 17.0 5s H 3430 251 233.0000000 217.00000 6.87% 17.4 5s Cutting planes: Gomory: 10 Cover: 1 Clique: 1 MIR: 6 Zero half: 10 Explored 6430 nodes (84862 simplex iterations) in 6.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.330000000000e+02, best bound 2.330000000000e+02, gap 0.0%