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

Optimize a model with 2096 rows, 92 columns and 4192 nonzeros
Presolve removed 1477 rows and 0 columns
Presolve time: 0.06s
Presolved: 619 rows, 92 columns, 4029 nonzeros
Variable types: 0 continuous, 92 integer (92 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.339188e+01, 394 iterations, 0.01 seconds

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

     0     0   13.39188    0   88    7.00000   13.39188  91.3%     -    0s
H    0     0                       8.0000000   13.39188  67.4%     -    0s
     0     0   13.02287    0   90    8.00000   13.02287  62.8%     -    0s
     0     0   12.98191    0   89    8.00000   12.98191  62.3%     -    0s
     0     0   12.91934    0   88    8.00000   12.91934  61.5%     -    0s
     0     0   12.89656    0   91    8.00000   12.89656  61.2%     -    0s
     0     0   12.88331    0   91    8.00000   12.88331  61.0%     -    0s
     0     0   12.87106    0   91    8.00000   12.87106  60.9%     -    0s
     0     0   12.86031    0   89    8.00000   12.86031  60.8%     -    0s
     0     0   12.86006    0   90    8.00000   12.86006  60.8%     -    0s
     0     2   12.85831    0   90    8.00000   12.85831  60.7%     -    0s
*  107    27               9       9.0000000   12.05250  33.9%  47.9    1s

Cutting planes:
  Clique: 60
  Zero half: 1

Explored 143 nodes (7667 simplex iterations) in 1.20 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%