Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:24:15 2012

Optimize a model with 442 rows, 441 columns and 1973 nonzeros
Presolve removed 187 rows and 126 columns
Presolve time: 0.01s
Presolved: 255 rows, 315 columns, 2598 nonzeros
Variable types: 20 continuous, 295 integer (295 binary)

Root relaxation: objective 2.155273e+02, 85 iterations, 0.00 seconds

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

     0     0  215.52732    0   31          -  215.52732     -      -    0s
     0     0  248.53333    0   36          -  248.53333     -      -    0s
     0     0  250.86713    0   43          -  250.86713     -      -    0s
     0     0  253.50000    0   38          -  253.50000     -      -    0s
     0     0  254.61250    0   46          -  254.61250     -      -    0s
     0     0  254.61250    0   46          -  254.61250     -      -    0s
     0     0  254.61250    0   41          -  254.61250     -      -    0s
     0     2  258.40000    0   40          -  258.40000     -      -    0s
H  617   419                     342.0000000  273.00000  20.2%   9.6    0s
H  617   398                     319.0000000  273.00000  14.4%   9.6    0s
H  625   382                     306.0000000  273.48571  10.6%   9.5    0s
H  800   356                     300.0000000  281.24000  6.25%  14.2    1s

Cutting planes:
  Gomory: 4
  Cover: 4
  Implied bound: 25
  Clique: 3
  MIR: 17
  GUB cover: 5
  Zero half: 45

Explored 1012 nodes (15666 simplex iterations) in 2.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+02, best bound 3.000000000000e+02, gap 0.0%