Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:13 2012 Optimize a model with 482 rows, 441 columns and 2616 nonzeros Presolve removed 255 rows and 296 columns Presolve time: 0.00s Presolved: 227 rows, 145 columns, 1823 nonzeros Variable types: 16 continuous, 129 integer (129 binary) Root relaxation: objective 3.688951e+02, 81 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 368.89514 0 30 - 368.89514 - - 0s 0 0 378.00000 0 10 - 378.00000 - - 0s 0 0 378.00000 0 10 - 378.00000 - - 0s 0 0 378.00000 0 10 - 378.00000 - - 0s 0 0 378.00000 0 10 - 378.00000 - - 0s H 0 0 400.0000000 378.00000 5.50% - 0s 0 0 378.00000 0 32 400.00000 378.00000 5.50% - 0s 0 0 378.36760 0 12 400.00000 378.36760 5.41% - 0s 0 0 378.41030 0 14 400.00000 378.41030 5.40% - 0s 0 0 378.42848 0 12 400.00000 378.42848 5.39% - 0s 0 0 378.42967 0 12 400.00000 378.42967 5.39% - 0s H 0 0 390.0000000 378.42967 2.97% - 0s H 0 0 388.0000000 378.42967 2.47% - 0s 0 2 378.57143 0 12 388.00000 378.57143 2.43% - 0s Cutting planes: Gomory: 1 Cover: 3 Clique: 3 MIR: 3 GUB cover: 1 Explored 19 nodes (383 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.880000000000e+02, best bound 3.880000000000e+02, gap 0.0%