3.09/1.54 WORST_CASE(NON_POLY, ?) 3.09/1.55 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.09/1.55 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.09/1.55 3.09/1.55 3.09/1.55 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.09/1.55 3.09/1.55 (0) CpxTRS 3.09/1.55 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.09/1.55 (2) TRS for Loop Detection 3.09/1.55 (3) InfiniteLowerBoundProof [FINISHED, 0 ms] 3.09/1.55 (4) BOUNDS(INF, INF) 3.09/1.55 3.09/1.55 3.09/1.55 ---------------------------------------- 3.09/1.55 3.09/1.55 (0) 3.09/1.55 Obligation: 3.09/1.55 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.09/1.55 3.09/1.55 3.09/1.55 The TRS R consists of the following rules: 3.09/1.55 3.09/1.55 from(X) -> cons(X, from(s(X))) 3.09/1.55 sel(0, cons(X, XS)) -> X 3.09/1.55 sel(s(N), cons(X, XS)) -> sel(N, XS) 3.09/1.55 minus(X, 0) -> 0 3.09/1.55 minus(s(X), s(Y)) -> minus(X, Y) 3.09/1.55 quot(0, s(Y)) -> 0 3.09/1.55 quot(s(X), s(Y)) -> s(quot(minus(X, Y), s(Y))) 3.09/1.55 zWquot(XS, nil) -> nil 3.09/1.55 zWquot(nil, XS) -> nil 3.09/1.55 zWquot(cons(X, XS), cons(Y, YS)) -> cons(quot(X, Y), zWquot(XS, YS)) 3.09/1.55 3.09/1.55 S is empty. 3.09/1.55 Rewrite Strategy: INNERMOST 3.09/1.55 ---------------------------------------- 3.09/1.55 3.09/1.55 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.09/1.55 Transformed a relative TRS into a decreasing-loop problem. 3.09/1.55 ---------------------------------------- 3.09/1.55 3.09/1.55 (2) 3.09/1.55 Obligation: 3.09/1.55 Analyzing the following TRS for decreasing loops: 3.09/1.55 3.09/1.55 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.09/1.55 3.09/1.55 3.09/1.55 The TRS R consists of the following rules: 3.09/1.55 3.09/1.55 from(X) -> cons(X, from(s(X))) 3.09/1.55 sel(0, cons(X, XS)) -> X 3.09/1.55 sel(s(N), cons(X, XS)) -> sel(N, XS) 3.09/1.55 minus(X, 0) -> 0 3.09/1.55 minus(s(X), s(Y)) -> minus(X, Y) 3.09/1.55 quot(0, s(Y)) -> 0 3.09/1.55 quot(s(X), s(Y)) -> s(quot(minus(X, Y), s(Y))) 3.09/1.55 zWquot(XS, nil) -> nil 3.09/1.55 zWquot(nil, XS) -> nil 3.09/1.55 zWquot(cons(X, XS), cons(Y, YS)) -> cons(quot(X, Y), zWquot(XS, YS)) 3.09/1.55 3.09/1.55 S is empty. 3.09/1.55 Rewrite Strategy: INNERMOST 3.09/1.55 ---------------------------------------- 3.09/1.55 3.09/1.55 (3) InfiniteLowerBoundProof (FINISHED) 3.09/1.55 The following loop proves infinite runtime complexity: 3.09/1.55 3.09/1.55 The rewrite sequence 3.09/1.55 3.09/1.55 from(X) ->^+ cons(X, from(s(X))) 3.09/1.55 3.09/1.55 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 3.09/1.55 3.09/1.55 The pumping substitution is [ ]. 3.09/1.55 3.09/1.55 The result substitution is [X / s(X)]. 3.09/1.55 3.09/1.55 3.09/1.55 3.09/1.55 3.09/1.55 ---------------------------------------- 3.09/1.55 3.09/1.55 (4) 3.09/1.55 BOUNDS(INF, INF) 3.09/1.58 EOF