2.98/1.56 WORST_CASE(NON_POLY, ?) 2.98/1.56 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 2.98/1.56 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.98/1.56 2.98/1.56 2.98/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 2.98/1.56 2.98/1.56 (0) CpxTRS 2.98/1.56 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 2.98/1.56 (2) TRS for Loop Detection 2.98/1.56 (3) InfiniteLowerBoundProof [FINISHED, 0 ms] 2.98/1.56 (4) BOUNDS(INF, INF) 2.98/1.56 2.98/1.56 2.98/1.56 ---------------------------------------- 2.98/1.56 2.98/1.56 (0) 2.98/1.56 Obligation: 2.98/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 2.98/1.56 2.98/1.56 2.98/1.56 The TRS R consists of the following rules: 2.98/1.56 2.98/1.56 from(X) -> cons(X, from(s(X))) 2.98/1.56 length(nil) -> 0 2.98/1.56 length(cons(X, Y)) -> s(length1(Y)) 2.98/1.56 length1(X) -> length(X) 2.98/1.56 2.98/1.56 S is empty. 2.98/1.56 Rewrite Strategy: INNERMOST 2.98/1.56 ---------------------------------------- 2.98/1.56 2.98/1.56 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 2.98/1.56 Transformed a relative TRS into a decreasing-loop problem. 2.98/1.56 ---------------------------------------- 2.98/1.56 2.98/1.56 (2) 2.98/1.56 Obligation: 2.98/1.56 Analyzing the following TRS for decreasing loops: 2.98/1.56 2.98/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 2.98/1.56 2.98/1.56 2.98/1.56 The TRS R consists of the following rules: 2.98/1.56 2.98/1.56 from(X) -> cons(X, from(s(X))) 2.98/1.56 length(nil) -> 0 2.98/1.56 length(cons(X, Y)) -> s(length1(Y)) 2.98/1.56 length1(X) -> length(X) 2.98/1.56 2.98/1.56 S is empty. 2.98/1.56 Rewrite Strategy: INNERMOST 2.98/1.56 ---------------------------------------- 2.98/1.56 2.98/1.56 (3) InfiniteLowerBoundProof (FINISHED) 2.98/1.56 The following loop proves infinite runtime complexity: 2.98/1.56 2.98/1.56 The rewrite sequence 2.98/1.56 2.98/1.56 from(X) ->^+ cons(X, from(s(X))) 2.98/1.56 2.98/1.56 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 2.98/1.56 2.98/1.56 The pumping substitution is [ ]. 2.98/1.56 2.98/1.56 The result substitution is [X / s(X)]. 2.98/1.56 2.98/1.56 2.98/1.56 2.98/1.56 2.98/1.56 ---------------------------------------- 2.98/1.56 2.98/1.56 (4) 2.98/1.56 BOUNDS(INF, INF) 3.20/1.58 EOF