Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:05:27 2012

Optimize a model with 4147 rows, 128 columns and 8294 nonzeros
Presolve removed 3004 rows and 0 columns
Presolve time: 0.16s
Presolved: 1143 rows, 128 columns, 8552 nonzeros
Variable types: 0 continuous, 128 integer (128 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.632381e+01, 576 iterations, 0.03 seconds

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

     0     0   16.32381    0  118    6.00000   16.32381   172%     -    0s
H    0     0                       7.0000000   16.32381   133%     -    0s
     0     0   15.81076    0  127    7.00000   15.81076   126%     -    0s
H    0     0                       9.0000000   15.81076  75.7%     -    0s
     0     0   15.69928    0  127    9.00000   15.69928  74.4%     -    0s
     0     0   15.66644    0  128    9.00000   15.66644  74.1%     -    0s
     0     0   15.66550    0  127    9.00000   15.66550  74.1%     -    1s
     0     0   15.66496    0  128    9.00000   15.66496  74.1%     -    1s
     0     0   15.66437    0  128    9.00000   15.66437  74.0%     -    1s
     0     2   15.65855    0  128    9.00000   15.65855  74.0%     -    1s
   646   129   10.02479   10   37    9.00000   11.61008  29.0%  62.0    5s

Cutting planes:
  Clique: 138

Explored 799 nodes (48074 simplex iterations) in 5.52 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%