3.18/1.55 WORST_CASE(NON_POLY, ?) 3.18/1.56 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.18/1.56 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.18/1.56 3.18/1.56 3.18/1.56 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.18/1.56 3.18/1.56 (0) CpxTRS 3.18/1.56 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.18/1.56 (2) TRS for Loop Detection 3.18/1.56 (3) InfiniteLowerBoundProof [FINISHED, 0 ms] 3.18/1.56 (4) BOUNDS(INF, INF) 3.18/1.56 3.18/1.56 3.18/1.56 ---------------------------------------- 3.18/1.56 3.18/1.56 (0) 3.18/1.56 Obligation: 3.18/1.56 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.18/1.56 3.18/1.56 3.18/1.56 The TRS R consists of the following rules: 3.18/1.56 3.18/1.56 app(nil, YS) -> YS 3.18/1.56 app(cons(X, XS), YS) -> cons(X, app(XS, YS)) 3.18/1.56 from(X) -> cons(X, from(s(X))) 3.18/1.56 zWadr(nil, YS) -> nil 3.18/1.56 zWadr(XS, nil) -> nil 3.18/1.56 zWadr(cons(X, XS), cons(Y, YS)) -> cons(app(Y, cons(X, nil)), zWadr(XS, YS)) 3.18/1.56 prefix(L) -> cons(nil, zWadr(L, prefix(L))) 3.18/1.56 3.18/1.56 S is empty. 3.18/1.56 Rewrite Strategy: FULL 3.18/1.56 ---------------------------------------- 3.18/1.56 3.18/1.56 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.18/1.56 Transformed a relative TRS into a decreasing-loop problem. 3.18/1.56 ---------------------------------------- 3.18/1.56 3.18/1.56 (2) 3.18/1.56 Obligation: 3.18/1.56 Analyzing the following TRS for decreasing loops: 3.18/1.56 3.18/1.56 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.18/1.56 3.18/1.56 3.18/1.56 The TRS R consists of the following rules: 3.18/1.56 3.18/1.56 app(nil, YS) -> YS 3.18/1.56 app(cons(X, XS), YS) -> cons(X, app(XS, YS)) 3.18/1.56 from(X) -> cons(X, from(s(X))) 3.18/1.56 zWadr(nil, YS) -> nil 3.18/1.56 zWadr(XS, nil) -> nil 3.18/1.56 zWadr(cons(X, XS), cons(Y, YS)) -> cons(app(Y, cons(X, nil)), zWadr(XS, YS)) 3.18/1.56 prefix(L) -> cons(nil, zWadr(L, prefix(L))) 3.18/1.56 3.18/1.56 S is empty. 3.18/1.56 Rewrite Strategy: FULL 3.18/1.56 ---------------------------------------- 3.18/1.56 3.18/1.56 (3) InfiniteLowerBoundProof (FINISHED) 3.18/1.56 The following loop proves infinite runtime complexity: 3.18/1.56 3.18/1.56 The rewrite sequence 3.18/1.56 3.18/1.56 from(X) ->^+ cons(X, from(s(X))) 3.18/1.56 3.18/1.56 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 3.18/1.56 3.18/1.56 The pumping substitution is [ ]. 3.18/1.56 3.18/1.56 The result substitution is [X / s(X)]. 3.18/1.56 3.18/1.56 3.18/1.56 3.18/1.56 3.18/1.56 ---------------------------------------- 3.18/1.56 3.18/1.56 (4) 3.18/1.56 BOUNDS(INF, INF) 3.18/1.59 EOF