Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:10:56 2012

Optimize a model with 4337 rows, 133 columns and 8674 nonzeros
Presolve removed 3109 rows and 0 columns
Presolve time: 0.15s
Presolved: 1228 rows, 133 columns, 8531 nonzeros
Variable types: 0 continuous, 133 integer (133 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.766262e+01, 588 iterations, 0.03 seconds

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

     0     0   17.66262    0  131    8.00000   17.66262   121%     -    0s
H    0     0                       9.0000000   17.66262  96.3%     -    0s
     0     0   17.07191    0  130    9.00000   17.07191  89.7%     -    0s
     0     0   16.95030    0  131    9.00000   16.95030  88.3%     -    0s
     0     0   16.92191    0  132    9.00000   16.92191  88.0%     -    0s
     0     0   16.85103    0  132    9.00000   16.85103  87.2%     -    1s
     0     0   16.80698    0  133    9.00000   16.80698  86.7%     -    1s
     0     0   16.79672    0  132    9.00000   16.79672  86.6%     -    1s
H    0     0                      10.0000000   16.79672  68.0%     -    1s
     0     0   16.78354    0  132   10.00000   16.78354  67.8%     -    1s
     0     0   16.77878    0  133   10.00000   16.77878  67.8%     -    1s
     0     0   16.77521    0  132   10.00000   16.77521  67.8%     -    2s
     0     0   16.77506    0  132   10.00000   16.77506  67.8%     -    2s
     0     0   16.77501    0  132   10.00000   16.77501  67.8%     -    2s
     0     2   16.77332    0  132   10.00000   16.77332  67.7%     -    2s
   343   136   12.25589   20   57   10.00000   14.39844  44.0%  81.0    5s

Cutting planes:
  Clique: 102

Explored 635 nodes (47325 simplex iterations) in 6.44 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%