(0) Obligation:
Runtime Complexity TRS:
The TRS R consists of the following rules:
decrease(Cons(x, xs)) → decrease(xs)
decrease(Nil) → number42(Nil)
number42(x) → Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Nil))))))))))))))))))))))))))))))))))))))))))
goal(x) → decrease(x)
Rewrite Strategy: INNERMOST
(1) CpxTrsToCpxRelTrsProof (BOTH BOUNDS(ID, ID) transformation)
Transformed TRS to relative TRS where S is empty.
(2) Obligation:
Runtime Complexity Relative TRS:
The TRS R consists of the following rules:
decrease(Cons(x, xs)) → decrease(xs)
decrease(Nil) → number42(Nil)
number42(x) → Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Nil))))))))))))))))))))))))))))))))))))))))))
goal(x) → decrease(x)
S is empty.
Rewrite Strategy: INNERMOST
(3) SlicingProof (LOWER BOUND(ID) transformation)
Sliced the following arguments:
Cons/0
number42/0
(4) Obligation:
Runtime Complexity Relative TRS:
The TRS R consists of the following rules:
decrease(Cons(xs)) → decrease(xs)
decrease(Nil) → number42
number42 → Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Cons(Nil))))))))))))))))))))))))))))))))))))))))))
goal(x) → decrease(x)
S is empty.
Rewrite Strategy: INNERMOST
(5) DecreasingLoopProof (EQUIVALENT transformation)
The following loop(s) give(s) rise to the lower bound Ω(n1):
The rewrite sequence
decrease(Cons(xs)) →+ decrease(xs)
gives rise to a decreasing loop by considering the right hand sides subterm at position [].
The pumping substitution is [xs / Cons(xs)].
The result substitution is [ ].
(6) BOUNDS(n^1, INF)