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

Optimize a model with 49 rows, 35 columns and 155 nonzeros
Presolve time: 0.00s
Presolved: 49 rows, 35 columns, 155 nonzeros
Variable types: 0 continuous, 35 integer (35 binary)
Found heuristic solution: objective 11.0000000

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   11.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
     0     0    1.12500    0   18    8.00000    1.12500  85.9%     -    0s
     0     0    1.27273    0   14    8.00000    1.27273  84.1%     -    0s
     0     0    1.35714    0   17    8.00000    1.35714  83.0%     -    0s
     0     0    1.36364    0   23    8.00000    1.36364  83.0%     -    0s
     0     0    1.36364    0   23    8.00000    1.36364  83.0%     -    0s
     0     2    1.50000    0   23    8.00000    1.50000  81.2%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 9

Explored 19 nodes (252 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%