Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:23:04 2012

Optimize a model with 482 rows, 441 columns and 2740 nonzeros
Presolve removed 78 rows and 105 columns
Presolve time: 0.02s
Presolved: 404 rows, 336 columns, 3787 nonzeros
Variable types: 20 continuous, 316 integer (316 binary)

Root relaxation: objective 2.504993e+02, 135 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0  250.49933    0   43          -  250.49933     -      -    0s
     0     0  267.00000    0    8          -  267.00000     -      -    0s
     0     0  267.00000    0    8          -  267.00000     -      -    0s
*    0     0               0     267.0000000  267.00000   0.0%     -    0s

Cutting planes:
  Cover: 1
  Clique: 1
  MIR: 2
  GUB cover: 4

Explored 0 nodes (199 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.670000000000e+02, best bound 2.670000000000e+02, gap 0.0%