Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:21 2012

Optimize a model with 83 rows, 69 columns and 274 nonzeros
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 83 rows, 65 columns, 270 nonzeros
Variable types: 0 continuous, 65 integer (64 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 0.000000e+00, 38 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   23   14.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.36930    0   26    9.00000    0.36930  95.9%     -    0s
     0     0    0.78654    0   29    9.00000    0.78654  91.3%     -    0s
     0     2    0.81246    0   29    9.00000    0.81246  91.0%     -    0s
*   11     8               7       8.0000000    2.76923  65.4%  18.7    0s

Cutting planes:
  Gomory: 4

Explored 44 nodes (562 simplex iterations) in 0.03 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%