Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:35:39 2012 Optimize a model with 1762 rows, 1681 columns and 10330 nonzeros Presolve removed 504 rows and 616 columns Presolve time: 0.06s Presolved: 1258 rows, 1065 columns, 16896 nonzeros Variable types: 40 continuous, 1025 integer (1025 binary) Root relaxation: objective 3.447090e+02, 230 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 344.70898 0 89 - 344.70898 - - 0s 0 0 366.82654 0 66 - 366.82654 - - 0s 0 0 367.32084 0 53 - 367.32084 - - 0s 0 0 367.53875 0 66 - 367.53875 - - 0s 0 0 367.63607 0 66 - 367.63607 - - 0s 0 0 367.63607 0 66 - 367.63607 - - 0s 0 0 367.63607 0 66 - 367.63607 - - 0s 0 2 367.63607 0 54 - 367.63607 - - 0s 627 515 399.12308 27 75 - 375.05502 - 14.1 5s * 1153 536 34 412.0000000 376.57285 8.60% 19.7 8s H 1181 497 409.0000000 376.59754 7.92% 19.4 9s H 1235 471 403.0000000 376.60163 6.55% 19.0 9s H 1318 458 402.0000000 376.85556 6.25% 18.6 9s 1414 489 388.01447 39 83 402.00000 377.09658 6.19% 18.3 10s H 1719 485 396.0000000 378.39383 4.45% 19.3 11s H 2038 374 395.0000000 382.69353 3.12% 19.1 12s Cutting planes: Learned: 2 Gomory: 21 Cover: 68 Implied bound: 4 Clique: 10 MIR: 76 GUB cover: 17 Zero half: 23 Explored 2402 nodes (45011 simplex iterations) in 13.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.950000000000e+02, best bound 3.950000000000e+02, gap 0.0%