BEST_CASE(Omega(n^1),?)

Solution:
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  "Cons" :: ["A"(0) x "A"(1)] -(1)-> "A"(1)
  "Cons" :: ["A"(0) x "A"(0)] -(0)-> "A"(0)
  "Nil" :: [] -(0)-> "A"(1)
  "Nil" :: [] -(0)-> "A"(0)
  "Pair" :: ["A"(0) x "A"(0)] -(0)-> "A"(0)
  "foldr#3" :: ["A"(0) x "A"(0) x "A"(1)] -(1)-> "A"(0)
  "lam1_n" :: ["A"(0)] -(0)-> "A"(0)
  "lam2_ms" :: ["A"(0)] -(0)-> "A"(0)
  "main" :: ["A"(0) x "A"(1)] -(1)-> "A"(0)


Cost Free Signatures:
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Base Constructors:
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  "\"Cons\"_A" :: ["A"(0) x "A"(1)] -(1)-> "A"(1)
  "\"Nil\"_A" :: [] -(0)-> "A"(1)
  "\"Pair\"_A" :: ["A"(10) x "A"(0)] -(1)-> "A"(1)
  "\"lam1_n\"_A" :: ["A"(0)] -(1)-> "A"(1)
  "\"lam2_ms\"_A" :: ["A"(0)] -(1)-> "A"(1)