Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:55:42 2012

Optimize a model with 3382 rows, 116 columns and 6764 nonzeros
Presolve removed 2440 rows and 0 columns
Presolve time: 0.10s
Presolved: 942 rows, 116 columns, 6560 nonzeros
Variable types: 0 continuous, 116 integer (116 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.579311e+01, 503 iterations, 0.02 seconds

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

     0     0   15.79311    0  110    7.00000   15.79311   126%     -    0s
H    0     0                       8.0000000   15.79311  97.4%     -    0s
H    0     0                       9.0000000   15.79311  75.5%     -    0s
     0     0   15.46472    0  113    9.00000   15.46472  71.8%     -    0s
     0     0   15.22245    0  114    9.00000   15.22245  69.1%     -    0s
     0     0   15.18775    0  115    9.00000   15.18775  68.8%     -    0s
     0     0   15.13784    0  114    9.00000   15.13784  68.2%     -    0s
     0     0   15.09823    0  116    9.00000   15.09823  67.8%     -    0s
     0     0   15.07435    0  115    9.00000   15.07435  67.5%     -    1s
     0     0   15.06950    0  116    9.00000   15.06950  67.4%     -    1s
     0     0   15.06409    0  116    9.00000   15.06409  67.4%     -    1s
     0     0   15.06275    0  116    9.00000   15.06275  67.4%     -    1s
     0     0   15.06252    0  116    9.00000   15.06252  67.4%     -    1s
     0     2   15.06041    0  116    9.00000   15.06041  67.3%     -    1s

Cutting planes:
  Clique: 133

Explored 525 nodes (29357 simplex iterations) in 3.61 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%