Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:30:40 2012

Optimize a model with 902 rows, 840 columns and 3540 nonzeros
Presolve removed 232 rows and 40 columns
Presolve time: 0.02s
Presolved: 670 rows, 800 columns, 3213 nonzeros
Variable types: 380 continuous, 420 integer (420 binary)

Root relaxation: objective 1.685143e+02, 469 iterations, 0.01 seconds

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

     0     0  168.51431    0   41          -  168.51431     -      -    0s
     0     0  176.30192    0   42          -  176.30192     -      -    0s
     0     0  177.25259    0   43          -  177.25259     -      -    0s
     0     0  177.55709    0   42          -  177.55709     -      -    0s
     0     0  177.62296    0   43          -  177.62296     -      -    0s
     0     0  177.62296    0   43          -  177.62296     -      -    0s
     0     0  177.62296    0   39          -  177.62296     -      -    0s
     0     2  177.63173    0   39          -  177.63173     -      -    0s
  2379  1394  191.01555   38   28          -  189.18781     -   41.7    5s
* 2623   774              67     220.0000000  189.22901  14.0%  40.3    5s
H 2678   392                     205.0000000  189.34969  7.63%  40.0    5s
H 2918   430                     201.0000000  189.71587  5.61%  39.4    6s

Cutting planes:
  Gomory: 6
  Cover: 1
  Implied bound: 5
  Flow cover: 16

Explored 3171 nodes (122617 simplex iterations) in 6.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.010000000000e+02, best bound 2.010000000000e+02, gap 0.0%