Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:11 2012

Optimize a model with 902 rows, 840 columns and 3640 nonzeros
Presolve removed 137 rows and 40 columns
Presolve time: 0.02s
Presolved: 765 rows, 800 columns, 3403 nonzeros
Variable types: 380 continuous, 420 integer (420 binary)

Root relaxation: objective 1.629296e+02, 843 iterations, 0.02 seconds

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

     0     0  162.92960    0   41          -  162.92960     -      -    0s
     0     0  188.48691    0   46          -  188.48691     -      -    0s
     0     0  203.03491    0   49          -  203.03491     -      -    0s
     0     0  206.44309    0   41          -  206.44309     -      -    0s
     0     0  207.66897    0   39          -  207.66897     -      -    0s
     0     0  208.33725    0   46          -  208.33725     -      -    0s
     0     0  209.11751    0   45          -  209.11751     -      -    0s
     0     0  209.12974    0   45          -  209.12974     -      -    0s
     0     0  209.12974    0   42          -  209.12974     -      -    0s
     0     2  209.17643    0   42          -  209.17643     -      -    0s
*  103    44              17     272.0000000  227.69873  16.3%  43.5    0s
*  108    43              18     269.0000000  227.69873  15.4%  42.3    0s
*  158    51              21     266.0000000  232.69406  12.5%  43.7    0s
H  190    48                     259.0000000  235.28571  9.16%  43.1    0s
H  217    33                     254.0000000  236.78709  6.78%  41.5    0s

Cutting planes:
  Gomory: 3
  Cover: 17
  Implied bound: 6
  Flow cover: 28
  GUB cover: 7

Explored 313 nodes (13396 simplex iterations) in 0.81 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.540000000000e+02, best bound 2.540000000000e+02, gap 0.0%