2.97/1.58 WORST_CASE(NON_POLY, ?) 2.97/1.59 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.97/1.59 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.97/1.59 2.97/1.59 2.97/1.59 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 2.97/1.59 2.97/1.59 (0) CpxTRS 2.97/1.59 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 2.97/1.59 (2) TRS for Loop Detection 2.97/1.59 (3) InfiniteLowerBoundProof [FINISHED, 0 ms] 2.97/1.59 (4) BOUNDS(INF, INF) 2.97/1.59 2.97/1.59 2.97/1.59 ---------------------------------------- 2.97/1.59 2.97/1.59 (0) 2.97/1.59 Obligation: 2.97/1.59 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 2.97/1.59 2.97/1.59 2.97/1.59 The TRS R consists of the following rules: 2.97/1.59 2.97/1.59 from(X) -> cons(X, from(s(X))) 2.97/1.59 head(cons(X, XS)) -> X 2.97/1.59 2nd(cons(X, XS)) -> head(XS) 2.97/1.59 take(0, XS) -> nil 2.97/1.59 take(s(N), cons(X, XS)) -> cons(X, take(N, XS)) 2.97/1.59 sel(0, cons(X, XS)) -> X 2.97/1.59 sel(s(N), cons(X, XS)) -> sel(N, XS) 2.97/1.59 2.97/1.59 S is empty. 2.97/1.59 Rewrite Strategy: FULL 2.97/1.59 ---------------------------------------- 2.97/1.59 2.97/1.59 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 2.97/1.59 Transformed a relative TRS into a decreasing-loop problem. 2.97/1.59 ---------------------------------------- 2.97/1.59 2.97/1.59 (2) 2.97/1.59 Obligation: 2.97/1.59 Analyzing the following TRS for decreasing loops: 2.97/1.59 2.97/1.59 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 2.97/1.59 2.97/1.59 2.97/1.59 The TRS R consists of the following rules: 2.97/1.59 2.97/1.59 from(X) -> cons(X, from(s(X))) 2.97/1.59 head(cons(X, XS)) -> X 2.97/1.59 2nd(cons(X, XS)) -> head(XS) 2.97/1.59 take(0, XS) -> nil 2.97/1.59 take(s(N), cons(X, XS)) -> cons(X, take(N, XS)) 2.97/1.59 sel(0, cons(X, XS)) -> X 2.97/1.59 sel(s(N), cons(X, XS)) -> sel(N, XS) 2.97/1.59 2.97/1.59 S is empty. 2.97/1.59 Rewrite Strategy: FULL 2.97/1.59 ---------------------------------------- 2.97/1.59 2.97/1.59 (3) InfiniteLowerBoundProof (FINISHED) 2.97/1.59 The following loop proves infinite runtime complexity: 2.97/1.59 2.97/1.59 The rewrite sequence 2.97/1.59 2.97/1.59 from(X) ->^+ cons(X, from(s(X))) 2.97/1.59 2.97/1.59 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 2.97/1.59 2.97/1.59 The pumping substitution is [ ]. 2.97/1.59 2.97/1.59 The result substitution is [X / s(X)]. 2.97/1.59 2.97/1.59 2.97/1.59 2.97/1.59 2.97/1.59 ---------------------------------------- 2.97/1.59 2.97/1.59 (4) 2.97/1.59 BOUNDS(INF, INF) 3.23/1.62 EOF