Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:42 2012

Optimize a model with 1104 rows, 66 columns and 2208 nonzeros
Presolve removed 785 rows and 0 columns
Presolve time: 0.03s
Presolved: 319 rows, 66 columns, 1984 nonzeros
Variable types: 0 continuous, 66 integer (66 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.064700e+01, 168 iterations, 0.01 seconds

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

     0     0   10.64700    0   61    5.00000   10.64700   113%     -    0s
H    0     0                       6.0000000   10.64700  77.5%     -    0s
H    0     0                       7.0000000   10.64700  52.1%     -    0s
     0     0   10.42146    0   63    7.00000   10.42146  48.9%     -    0s
H    0     0                       8.0000000   10.42146  30.3%     -    0s
     0     0   10.38724    0   62    8.00000   10.38724  29.8%     -    0s
     0     0   10.36961    0   63    8.00000   10.36961  29.6%     -    0s
     0     0   10.34788    0   62    8.00000   10.34788  29.3%     -    0s
     0     0   10.34223    0   62    8.00000   10.34223  29.3%     -    0s
     0     0   10.33953    0   64    8.00000   10.33953  29.2%     -    0s
     0     0   10.33645    0   64    8.00000   10.33645  29.2%     -    0s
     0     0   10.33598    0   64    8.00000   10.33598  29.2%     -    0s
     0     2   10.33361    0   64    8.00000   10.33361  29.2%     -    0s

Cutting planes:
  Gomory: 2
  Clique: 23
  Zero half: 8

Explored 21 nodes (1283 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%