Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:46:20 2012

Optimize a model with 2104 rows, 92 columns and 4208 nonzeros
Presolve removed 1469 rows and 0 columns
Presolve time: 0.05s
Presolved: 635 rows, 92 columns, 4189 nonzeros
Variable types: 0 continuous, 92 integer (92 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.378136e+01, 336 iterations, 0.01 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   13.78136    0   88    6.00000   13.78136   130%     -    0s
H    0     0                       8.0000000   13.78136  72.3%     -    0s
     0     0   13.38327    0   91    8.00000   13.38327  67.3%     -    0s
     0     0   13.28306    0   91    8.00000   13.28306  66.0%     -    0s
     0     0   13.25681    0   91    8.00000   13.25681  65.7%     -    0s
     0     0   13.22574    0   90    8.00000   13.22574  65.3%     -    0s
     0     0   13.17430    0   89    8.00000   13.17430  64.7%     -    0s
     0     0   13.15055    0   92    8.00000   13.15055  64.4%     -    0s
     0     0   13.12965    0   92    8.00000   13.12965  64.1%     -    0s
     0     0   13.11215    0   92    8.00000   13.11215  63.9%     -    0s
     0     0   13.11180    0   92    8.00000   13.11180  63.9%     -    0s
     0     2   13.10054    0   92    8.00000   13.10054  63.8%     -    0s
H   76    33                       9.0000000   12.47790  38.6%  52.9    0s

Cutting planes:
  Clique: 82

Explored 122 nodes (6946 simplex iterations) in 1.01 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%