Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:48:59 2012

Optimize a model with 2585 rows, 102 columns and 5170 nonzeros
Presolve removed 1829 rows and 0 columns
Presolve time: 0.09s
Presolved: 756 rows, 102 columns, 5139 nonzeros
Variable types: 0 continuous, 102 integer (102 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.430454e+01, 403 iterations, 0.02 seconds

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

     0     0   14.30454    0   94    6.00000   14.30454   138%     -    0s
H    0     0                       8.0000000   14.30454  78.8%     -    0s
     0     0   13.97700    0   99    8.00000   13.97700  74.7%     -    0s
     0     0   13.93210    0  100    8.00000   13.93210  74.2%     -    0s
     0     0   13.91154    0  101    8.00000   13.91154  73.9%     -    0s
     0     0   13.87393    0  100    8.00000   13.87393  73.4%     -    0s
     0     0   13.85821    0  101    8.00000   13.85821  73.2%     -    0s
     0     0   13.85739    0  100    8.00000   13.85739  73.2%     -    0s
     0     0   13.85554    0  100    8.00000   13.85554  73.2%     -    0s
     0     0   13.85413    0  100    8.00000   13.85413  73.2%     -    0s
     0     2   13.85133    0  100    8.00000   13.85133  73.1%     -    1s
H   86    36                       9.0000000   13.57550  50.8%  49.2    1s

Cutting planes:
  Clique: 66
  Zero half: 4

Explored 195 nodes (11873 simplex iterations) in 1.79 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%