Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:47:16 2012

Optimize a model with 2266 rows, 96 columns and 4532 nonzeros
Presolve removed 1606 rows and 0 columns
Presolve time: 0.06s
Presolved: 660 rows, 96 columns, 4332 nonzeros
Variable types: 0 continuous, 96 integer (96 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.389360e+01, 383 iterations, 0.01 seconds

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

     0     0   13.89360    0   90    8.00000   13.89360  73.7%     -    0s
H    0     0                       9.0000000   13.89360  54.4%     -    0s
     0     0   13.53920    0   96    9.00000   13.53920  50.4%     -    0s
     0     0   13.46059    0   95    9.00000   13.46059  49.6%     -    0s
     0     0   13.42327    0   94    9.00000   13.42327  49.1%     -    0s
     0     0   13.40979    0   96    9.00000   13.40979  49.0%     -    0s
     0     0   13.40580    0   96    9.00000   13.40580  49.0%     -    0s
     0     0   13.39764    0   96    9.00000   13.39764  48.9%     -    0s
     0     0   13.39636    0   96    9.00000   13.39636  48.8%     -    0s
     0     0   13.39627    0   96    9.00000   13.39627  48.8%     -    0s
     0     0   13.39623    0   96    9.00000   13.39623  48.8%     -    0s
     0     0   13.39623    0   96    9.00000   13.39623  48.8%     -    1s
     0     2   13.39609    0   96    9.00000   13.39609  48.8%     -    1s

Cutting planes:
  Clique: 66
  Zero half: 2

Explored 163 nodes (8950 simplex iterations) in 1.51 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%