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

Optimize a model with 1101 rows, 66 columns and 2202 nonzeros
Presolve removed 779 rows and 0 columns
Presolve time: 0.02s
Presolved: 322 rows, 66 columns, 2012 nonzeros
Variable types: 0 continuous, 66 integer (66 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.068483e+01, 167 iterations, 0.00 seconds

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

     0     0   10.68483    0   60    5.00000   10.68483   114%     -    0s
H    0     0                       7.0000000   10.68483  52.6%     -    0s
H    0     0                       8.0000000   10.68483  33.6%     -    0s
     0     0   10.54129    0   59    8.00000   10.54129  31.8%     -    0s
     0     0   10.41574    0   63    8.00000   10.41574  30.2%     -    0s
H    0     0                       9.0000000   10.41574  15.7%     -    0s
     0     0   10.38132    0   63    9.00000   10.38132  15.3%     -    0s
     0     0   10.36690    0   65    9.00000   10.36690  15.2%     -    0s
     0     0   10.34310    0   64    9.00000   10.34310  14.9%     -    0s
     0     0   10.33791    0   63    9.00000   10.33791  14.9%     -    0s
     0     0   10.33273    0   64    9.00000   10.33273  14.8%     -    0s
     0     0   10.33214    0   64    9.00000   10.33214  14.8%     -    0s
     0     0   10.33209    0   64    9.00000   10.33209  14.8%     -    0s
     0     2   10.32572    0   64    9.00000   10.32572  14.7%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 31
  Zero half: 3

Explored 7 nodes (617 simplex iterations) in 0.22 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%