Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:58:19 2012

Optimize a model with 3624 rows, 120 columns and 7248 nonzeros
Presolve removed 2600 rows and 0 columns
Presolve time: 0.13s
Presolved: 1024 rows, 120 columns, 7347 nonzeros
Variable types: 0 continuous, 120 integer (120 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.594369e+01, 490 iterations, 0.02 seconds

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

     0     0   15.94369    0  112    5.00000   15.94369   219%     -    0s
H    0     0                       6.0000000   15.94369   166%     -    0s
H    0     0                       7.0000000   15.94369   128%     -    0s
     0     0   15.60481    0  118    7.00000   15.60481   123%     -    0s
H    0     0                       8.0000000   15.60481  95.1%     -    0s
     0     0   15.54833    0  118    8.00000   15.54833  94.4%     -    0s
     0     0   15.50433    0  118    8.00000   15.50433  93.8%     -    0s
H    0     0                       9.0000000   15.50433  72.3%     -    0s
     0     0   15.48423    0  118    9.00000   15.48423  72.0%     -    0s
     0     0   15.47953    0  118    9.00000   15.47953  72.0%     -    1s
     0     0   15.47249    0  118    9.00000   15.47249  71.9%     -    1s
     0     0   15.46558    0  118    9.00000   15.46558  71.8%     -    1s
     0     0   15.46464    0  118    9.00000   15.46464  71.8%     -    1s
     0     0   15.46409    0  118    9.00000   15.46409  71.8%     -    1s
     0     0   15.46390    0  118    9.00000   15.46390  71.8%     -    2s
     0     2   15.46241    0  118    9.00000   15.46241  71.8%     -    2s

Cutting planes:
  Clique: 79

Explored 612 nodes (35167 simplex iterations) in 4.59 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%