Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:15 2012

Optimize a model with 47 rows, 34 columns and 149 nonzeros
Presolve time: 0.00s
Presolved: 47 rows, 34 columns, 149 nonzeros
Variable types: 0 continuous, 34 integer (34 binary)
Found heuristic solution: objective 12.0000000
Found heuristic solution: objective 9.0000000

Root relaxation: objective 0.000000e+00, 15 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   11    9.00000    0.00000   100%     -    0s
     0     0    0.83514    0   19    9.00000    0.83514  90.7%     -    0s
     0     0    1.02083    0   22    9.00000    1.02083  88.7%     -    0s
     0     0    1.09091    0   14    9.00000    1.09091  87.9%     -    0s
     0     0    1.17273    0   17    9.00000    1.17273  87.0%     -    0s
     0     0    1.23077    0   18    9.00000    1.23077  86.3%     -    0s
     0     0    1.25455    0   15    9.00000    1.25455  86.1%     -    0s
     0     0    1.25644    0   27    9.00000    1.25644  86.0%     -    0s
H    0     0                       8.0000000    1.25644  84.3%     -    0s
     0     2    1.26897    0   27    8.00000    1.26897  84.1%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 15

Explored 22 nodes (276 simplex iterations) in 0.01 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%