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

Optimize a model with 105 rows, 83 columns and 343 nonzeros
Presolve time: 0.00s
Presolved: 105 rows, 83 columns, 343 nonzeros
Variable types: 0 continuous, 83 integer (83 binary)
Found heuristic solution: objective 26.0000000
Found heuristic solution: objective 25.0000000

Root relaxation: objective 0.000000e+00, 44 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   25.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.55172    0   35   13.00000    0.55172  95.8%     -    0s
     0     0    0.66950    0   33   13.00000    0.66950  94.8%     -    0s
     0     0    0.67097    0   33   13.00000    0.67097  94.8%     -    0s
     0     2    0.71884    0   33   13.00000    0.71884  94.5%     -    0s
*   12    12               9      11.0000000    2.60000  76.4%  19.2    0s
*   14     8               7      10.0000000    2.60000  74.0%  17.7    0s
*   19     6               5       9.0000000    2.78421  69.1%  17.5    0s

Cutting planes:
  Gomory: 1
  Zero half: 3

Explored 31 nodes (669 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%