Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:02 2012

Optimize a model with 77 rows, 62 columns and 252 nonzeros
Presolve time: 0.00s
Presolved: 77 rows, 62 columns, 252 nonzeros
Variable types: 0 continuous, 62 integer (62 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 0.000000e+00, 37 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   24   16.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.50000    0   25   10.00000    0.50000  95.0%     -    0s
     0     0    0.56907    0   27   10.00000    0.56907  94.3%     -    0s
     0     0    0.56907    0   27   10.00000    0.56907  94.3%     -    0s
     0     2    0.62953    0   27   10.00000    0.62953  93.7%     -    0s
*   11    11               7       9.0000000    3.21327  64.3%  11.0    0s
*   20     7               5       8.0000000    3.25742  59.3%   9.9    0s

Cutting planes:
  Gomory: 1
  Mod-K: 2

Explored 34 nodes (427 simplex iterations) in 0.02 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%