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

Optimize a model with 2609 rows, 102 columns and 5218 nonzeros
Presolve removed 1877 rows and 0 columns
Presolve time: 0.07s
Presolved: 732 rows, 102 columns, 4991 nonzeros
Variable types: 0 continuous, 102 integer (102 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.443904e+01, 476 iterations, 0.02 seconds

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

     0     0   14.43904    0   96    6.00000   14.43904   141%     -    0s
H    0     0                       8.0000000   14.43904  80.5%     -    0s
     0     0   14.05006    0  100    8.00000   14.05006  75.6%     -    0s
H    0     0                       9.0000000   14.05006  56.1%     -    0s
     0     0   13.85515    0   98    9.00000   13.85515  53.9%     -    0s
     0     0   13.82057    0   99    9.00000   13.82057  53.6%     -    0s
     0     0   13.80377    0   99    9.00000   13.80377  53.4%     -    0s
     0     0   13.79555    0  100    9.00000   13.79555  53.3%     -    0s
     0     0   13.77455    0  101    9.00000   13.77455  53.1%     -    0s
     0     0   13.76877    0  101    9.00000   13.76877  53.0%     -    1s
     0     0   13.76875    0  101    9.00000   13.76875  53.0%     -    1s
     0     0   13.76873    0  102    9.00000   13.76873  53.0%     -    1s
     0     2   13.76676    0  102    9.00000   13.76676  53.0%     -    1s

Cutting planes:
  Clique: 86

Explored 187 nodes (12541 simplex iterations) in 2.07 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%