Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:46:31 2012

Optimize a model with 2139 rows, 93 columns and 4278 nonzeros
Presolve removed 1534 rows and 0 columns
Presolve time: 0.06s
Presolved: 605 rows, 93 columns, 4000 nonzeros
Variable types: 0 continuous, 93 integer (93 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.333342e+01, 325 iterations, 0.01 seconds

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

     0     0   13.33342    0   88    7.00000   13.33342  90.5%     -    0s
H    0     0                       8.0000000   13.33342  66.7%     -    0s
     0     0   13.05528    0   92    8.00000   13.05528  63.2%     -    0s
     0     0   12.97507    0   92    8.00000   12.97507  62.2%     -    0s
H    0     0                       9.0000000   12.97507  44.2%     -    0s
     0     0   12.96669    0   91    9.00000   12.96669  44.1%     -    0s
     0     0   12.95293    0   90    9.00000   12.95293  43.9%     -    0s
     0     0   12.94327    0   90    9.00000   12.94327  43.8%     -    0s
     0     2   12.94093    0   90    9.00000   12.94093  43.8%     -    0s

Cutting planes:
  Clique: 49
  Zero half: 3

Explored 95 nodes (6869 simplex iterations) in 0.91 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%