Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:21:27 2012

Optimize a model with 4764 rows, 139 columns and 9528 nonzeros
Presolve removed 3409 rows and 0 columns
Presolve time: 0.17s
Presolved: 1355 rows, 139 columns, 9678 nonzeros
Variable types: 0 continuous, 139 integer (139 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.808405e+01, 573 iterations, 0.04 seconds

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

     0     0   18.08405    0  137    8.00000   18.08405   126%     -    0s
H    0     0                       9.0000000   18.08405   101%     -    0s
     0     0   17.68432    0  135    9.00000   17.68432  96.5%     -    0s
     0     0   17.46594    0  138    9.00000   17.46594  94.1%     -    0s
     0     0   17.38624    0  138    9.00000   17.38624  93.2%     -    0s
     0     0   17.37527    0  137    9.00000   17.37527  93.1%     -    1s
     0     0   17.36476    0  137    9.00000   17.36476  92.9%     -    1s
     0     0   17.36174    0  138    9.00000   17.36174  92.9%     -    1s
     0     0   17.35217    0  137    9.00000   17.35217  92.8%     -    1s
     0     0   17.34654    0  138    9.00000   17.34654  92.7%     -    1s
     0     0   17.34579    0  138    9.00000   17.34579  92.7%     -    2s
     0     0   17.34526    0  138    9.00000   17.34526  92.7%     -    2s
     0     0   17.34442    0  138    9.00000   17.34442  92.7%     -    2s
     0     2   17.34405    0  138    9.00000   17.34405  92.7%     -    2s
H  166   110                      10.0000000   16.72526  67.3%  81.7    4s
   313   149   11.93628   15   60   10.00000   15.65939  56.6%  78.6    5s

Cutting planes:
  Clique: 131

Explored 902 nodes (63102 simplex iterations) in 8.75 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%