Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:07:12 2012

Optimize a model with 341 rows, 197 columns and 1047 nonzeros
Presolve time: 0.00s
Presolved: 341 rows, 197 columns, 1047 nonzeros
Variable types: 0 continuous, 197 integer (197 binary)
Found heuristic solution: objective 96.0000000

Root relaxation: objective 0.000000e+00, 53 iterations, 0.00 seconds

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

     0     0    0.00000    0   27   96.00000    0.00000   100%     -    0s
H    0     0                      88.0000000    0.00000   100%     -    0s
H    0     0                      80.0000000    0.00000   100%     -    0s
     0     0    0.71594    0   41   80.00000    0.71594  99.1%     -    0s
     0     0    0.77778    0   29   80.00000    0.77778  99.0%     -    0s
     0     0    0.77778    0   29   80.00000    0.77778  99.0%     -    0s
     0     0    0.77778    0   29   80.00000    0.77778  99.0%     -    0s
     0     0    0.77778    0   29   80.00000    0.77778  99.0%     -    0s
     0     2    1.00000    0   29   80.00000    1.00000  98.8%     -    0s
H  191   109                      73.0000000   20.13043  72.4%  34.0    0s
*  240   133              19      70.0000000   20.15789  71.2%  32.9    0s
H  990   292                      67.0000000   31.10000  53.6%  28.9    0s
* 1706   300              27      65.0000000   41.20000  36.6%  26.4    1s
* 6838   176              27      64.0000000   56.33333  12.0%  20.2    4s

Cutting planes:
  Gomory: 1
  Zero half: 2

Explored 7229 nodes (143925 simplex iterations) in 4.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.400000000000e+01, best bound 6.400000000000e+01, gap 0.0%