Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:35:42 2012

Optimize a model with 902 rows, 840 columns and 3520 nonzeros
Presolve removed 251 rows and 40 columns
Presolve time: 0.02s
Presolved: 651 rows, 800 columns, 3174 nonzeros
Variable types: 380 continuous, 420 integer (420 binary)

Root relaxation: objective 1.891326e+02, 655 iterations, 0.01 seconds

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

     0     0  189.13261    0   40          -  189.13261     -      -    0s
     0     0  191.25492    0   54          -  191.25492     -      -    0s
     0     0  191.48639    0   55          -  191.48639     -      -    0s
     0     0  191.93850    0   53          -  191.93850     -      -    0s
     0     0  192.24524    0   57          -  192.24524     -      -    0s
     0     0  192.89007    0   53          -  192.89007     -      -    0s
     0     0  192.89007    0   51          -  192.89007     -      -    0s
     0     2  192.92408    0   51          -  192.92408     -      -    0s
*  252   175              25     254.0000000  201.54699  20.7%  45.9    0s
H  744   380                     248.0000000  206.07422  16.9%  45.0    2s
H 2367   849                     245.0000000  209.29754  14.6%  41.7    4s
* 2927  1073              43     244.0000000  210.99399  13.5%  40.8    4s
  2989  1091  224.52176   27   32  244.00000  211.06220  13.5%  40.9    5s
H 3312  1035                     239.0000000  212.20936  11.2%  40.2    5s
H 3652   638                     229.0000000  212.96266  7.00%  40.2    5s
* 3659   545              28     227.0000000  212.96266  6.18%  40.2    5s

Explored 6044 nodes (208427 simplex iterations) in 7.62 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.270000000000e+02, best bound 2.270000000000e+02, gap 0.0%