Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:46:08 2012

Optimize a model with 2052 rows, 91 columns and 4104 nonzeros
Presolve removed 1464 rows and 0 columns
Presolve time: 0.05s
Presolved: 588 rows, 91 columns, 3834 nonzeros
Variable types: 0 continuous, 91 integer (91 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.333796e+01, 356 iterations, 0.01 seconds

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

     0     0   13.33796    0   85    7.00000   13.33796  90.5%     -    0s
H    0     0                       9.0000000   13.33796  48.2%     -    0s
     0     0   12.87508    0   89    9.00000   12.87508  43.1%     -    0s
     0     0   12.79831    0   89    9.00000   12.79831  42.2%     -    0s
     0     0   12.75005    0   88    9.00000   12.75005  41.7%     -    0s
     0     0   12.71380    0   88    9.00000   12.71380  41.3%     -    0s
     0     0   12.70061    0   89    9.00000   12.70061  41.1%     -    0s
     0     0   12.69081    0   89    9.00000   12.69081  41.0%     -    0s
     0     0   12.68996    0   89    9.00000   12.68996  41.0%     -    0s
     0     2   12.68965    0   89    9.00000   12.68965  41.0%     -    0s

Cutting planes:
  Clique: 65

Explored 79 nodes (5472 simplex iterations) in 0.81 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%