Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:49:21 2012

Optimize a model with 2638 rows, 103 columns and 5276 nonzeros
Presolve removed 1850 rows and 0 columns
Presolve time: 0.08s
Presolved: 788 rows, 103 columns, 5461 nonzeros
Variable types: 0 continuous, 103 integer (103 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.420757e+01, 440 iterations, 0.02 seconds

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

     0     0   14.20757    0   98    6.00000   14.20757   137%     -    0s
H    0     0                       7.0000000   14.20757   103%     -    0s
     0     0   13.95589    0  103    7.00000   13.95589  99.4%     -    0s
     0     0   13.90350    0  103    7.00000   13.90350  98.6%     -    0s
H    0     0                       8.0000000   13.90350  73.8%     -    0s
     0     0   13.83120    0  102    8.00000   13.83120  72.9%     -    0s
     0     0   13.81325    0  103    8.00000   13.81325  72.7%     -    0s
     0     0   13.80836    0  100    8.00000   13.80836  72.6%     -    0s
H    0     0                       9.0000000   13.80836  53.4%     -    0s
     0     0   13.80783    0  101    9.00000   13.80783  53.4%     -    0s
     0     0   13.80768    0  101    9.00000   13.80768  53.4%     -    0s
     0     2   13.80748    0  101    9.00000   13.80748  53.4%     -    1s

Cutting planes:
  Clique: 56
  Zero half: 4

Explored 182 nodes (12002 simplex iterations) in 1.71 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%