Problem AProVE 10 downfrom

LMPO

Execution Time (secs)
0.033
Answer
MAYBE
InputAProVE 10 downfrom
MAYBE

We consider the following Problem:

  Strict Trs:
    {  isList(nil()) -> tt()
     , isList(Cons(x, xs)) -> isList(xs)
     , downfrom(0()) -> nil()
     , downfrom(s(x)) -> Cons(s(x), downfrom(x))
     , f(x) -> cond(isList(downfrom(x)), s(x))
     , cond(tt(), x) -> f(x)}
  StartTerms: basic terms
  Strategy: innermost

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

MPO

Execution Time (secs)
0.054
Answer
MAYBE
InputAProVE 10 downfrom
MAYBE

We consider the following Problem:

  Strict Trs:
    {  isList(nil()) -> tt()
     , isList(Cons(x, xs)) -> isList(xs)
     , downfrom(0()) -> nil()
     , downfrom(s(x)) -> Cons(s(x), downfrom(x))
     , f(x) -> cond(isList(downfrom(x)), s(x))
     , cond(tt(), x) -> f(x)}
  StartTerms: basic terms
  Strategy: innermost

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

POP*

Execution Time (secs)
0.034
Answer
MAYBE
InputAProVE 10 downfrom
MAYBE

We consider the following Problem:

  Strict Trs:
    {  isList(nil()) -> tt()
     , isList(Cons(x, xs)) -> isList(xs)
     , downfrom(0()) -> nil()
     , downfrom(s(x)) -> Cons(s(x), downfrom(x))
     , f(x) -> cond(isList(downfrom(x)), s(x))
     , cond(tt(), x) -> f(x)}
  StartTerms: basic terms
  Strategy: innermost

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

POP* (PS)

Execution Time (secs)
0.041
Answer
MAYBE
InputAProVE 10 downfrom
MAYBE

We consider the following Problem:

  Strict Trs:
    {  isList(nil()) -> tt()
     , isList(Cons(x, xs)) -> isList(xs)
     , downfrom(0()) -> nil()
     , downfrom(s(x)) -> Cons(s(x), downfrom(x))
     , f(x) -> cond(isList(downfrom(x)), s(x))
     , cond(tt(), x) -> f(x)}
  StartTerms: basic terms
  Strategy: innermost

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

Small POP*

Execution Time (secs)
0.043
Answer
MAYBE
InputAProVE 10 downfrom
MAYBE

We consider the following Problem:

  Strict Trs:
    {  isList(nil()) -> tt()
     , isList(Cons(x, xs)) -> isList(xs)
     , downfrom(0()) -> nil()
     , downfrom(s(x)) -> Cons(s(x), downfrom(x))
     , f(x) -> cond(isList(downfrom(x)), s(x))
     , cond(tt(), x) -> f(x)}
  StartTerms: basic terms
  Strategy: innermost

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

Small POP* (PS)

Execution Time (secs)
0.033
Answer
MAYBE
InputAProVE 10 downfrom
MAYBE

We consider the following Problem:

  Strict Trs:
    {  isList(nil()) -> tt()
     , isList(Cons(x, xs)) -> isList(xs)
     , downfrom(0()) -> nil()
     , downfrom(s(x)) -> Cons(s(x), downfrom(x))
     , f(x) -> cond(isList(downfrom(x)), s(x))
     , cond(tt(), x) -> f(x)}
  StartTerms: basic terms
  Strategy: innermost

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..