Problem AProVE 10 isList

Tool LMPO

Execution Time
0.028
Answer
MAYBE
InputAProVE 10 isList

stdout:

MAYBE

We consider the following Problem:

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

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

Tool MPO

Execution Time
0.039
Answer
MAYBE
InputAProVE 10 isList

stdout:

MAYBE

We consider the following Problem:

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

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

Tool POP*

Execution Time
0.028
Answer
MAYBE
InputAProVE 10 isList

stdout:

MAYBE

We consider the following Problem:

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

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

Tool POP* (PS)

Execution Time
0.026
Answer
MAYBE
InputAProVE 10 isList

stdout:

MAYBE

We consider the following Problem:

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

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

Tool Small POP*

Execution Time
0.026
Answer
MAYBE
InputAProVE 10 isList

stdout:

MAYBE

We consider the following Problem:

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

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..

Tool Small POP* (PS)

Execution Time
0.027
Answer
MAYBE
InputAProVE 10 isList

stdout:

MAYBE

We consider the following Problem:

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

Certificate: MAYBE

Proof:
  The input cannot be shown compatible

Arrrr..