MAYBE

'Pop* with parameter subtitution (timeout of 60.0 seconds)'
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Answer:           MAYBE
Input Problem:    innermost relative runtime-complexity with respect to
  Strict Rules:
    {  R(x, B2()) -> B2()
     , W(x, B2()) -> B2()}
  Weak Rules:
    {  B1() -> R(T(), B1())
     , B1() -> W(T(), B1())}

Proof Output:    
  The input cannot be shown compatible