Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:56:10 2012

Optimize a model with 3382 rows, 117 columns and 6764 nonzeros
Presolve removed 2438 rows and 0 columns
Presolve time: 0.10s
Presolved: 944 rows, 117 columns, 6439 nonzeros
Variable types: 0 continuous, 117 integer (117 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.622600e+01, 491 iterations, 0.02 seconds

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

     0     0   16.22600    0  114    6.00000   16.22600   170%     -    0s
H    0     0                       8.0000000   16.22600   103%     -    0s
     0     0   15.78630    0  116    8.00000   15.78630  97.3%     -    0s
H    0     0                       9.0000000   15.78630  75.4%     -    0s
     0     0   15.68856    0  116    9.00000   15.68856  74.3%     -    0s
     0     0   15.64917    0  114    9.00000   15.64917  73.9%     -    0s
     0     0   15.61113    0  115    9.00000   15.61113  73.5%     -    0s
     0     0   15.56775    0  116    9.00000   15.56775  73.0%     -    1s
     0     0   15.54070    0  117    9.00000   15.54070  72.7%     -    1s
     0     0   15.53190    0  116    9.00000   15.53190  72.6%     -    1s
     0     0   15.52591    0  116    9.00000   15.52591  72.5%     -    1s
     0     0   15.52472    0  116    9.00000   15.52472  72.5%     -    1s
     0     0   15.52463    0  116    9.00000   15.52463  72.5%     -    1s
     0     2   15.52448    0  116    9.00000   15.52448  72.5%     -    2s

Cutting planes:
  Clique: 112

Explored 658 nodes (35080 simplex iterations) in 4.48 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%