Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:03 2012

Optimize a model with 109 rows, 88 columns and 358 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 109 rows, 87 columns, 357 nonzeros
Variable types: 0 continuous, 87 integer (86 binary)
Found heuristic solution: objective 19.0000000

Root relaxation: objective 0.000000e+00, 48 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   32   19.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.58594    0   33   11.00000    0.58594  94.7%     -    0s
     0     0    1.10218    0   35   11.00000    1.10218  90.0%     -    0s
     0     0    1.23412    0   35   11.00000    1.23412  88.8%     -    0s
     0     0    1.25687    0   35   11.00000    1.25687  88.6%     -    0s
     0     0    1.25687    0   35   11.00000    1.25687  88.6%     -    0s
     0     2    1.33059    0   35   11.00000    1.33059  87.9%     -    0s
*   12     8               8       9.0000000    2.82883  68.6%  15.9    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 48 nodes (831 simplex iterations) in 0.05 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%