Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:40 2012

Optimize a model with 101 rows, 81 columns and 331 nonzeros
Presolve time: 0.00s
Presolved: 101 rows, 81 columns, 331 nonzeros
Variable types: 0 continuous, 81 integer (81 binary)
Found heuristic solution: objective 18.0000000

Root relaxation: objective 0.000000e+00, 50 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   31   18.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.66721    0   35   11.00000    0.66721  93.9%     -    0s
     0     0    0.76170    0   36   11.00000    0.76170  93.1%     -    0s
     0     0    0.76254    0   33   11.00000    0.76254  93.1%     -    0s
     0     0    0.76857    0   43   11.00000    0.76857  93.0%     -    0s
     0     2    0.78387    0   43   11.00000    0.78387  92.9%     -    0s
*   14    14               9       9.0000000    1.66154  81.5%  14.5    0s
*  121     5               8       8.0000000    6.66667  16.7%   9.8    0s

Cutting planes:
  Gomory: 1
  Zero half: 8

Explored 127 nodes (1354 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%