3.07/1.53 WORST_CASE(NON_POLY, ?) 3.07/1.54 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.07/1.54 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.07/1.54 3.07/1.54 3.07/1.54 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.07/1.54 3.07/1.54 (0) CpxTRS 3.07/1.54 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.07/1.54 (2) TRS for Loop Detection 3.07/1.54 (3) InfiniteLowerBoundProof [FINISHED, 0 ms] 3.07/1.54 (4) BOUNDS(INF, INF) 3.07/1.54 3.07/1.54 3.07/1.54 ---------------------------------------- 3.07/1.54 3.07/1.54 (0) 3.07/1.54 Obligation: 3.07/1.54 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.07/1.54 3.07/1.54 3.07/1.54 The TRS R consists of the following rules: 3.07/1.54 3.07/1.54 letexp(x, y) -> letexp(Cons(Cons(Nil, Nil), x), y) 3.07/1.54 goal(x, y) -> letexp(x, y) 3.07/1.54 3.07/1.54 S is empty. 3.07/1.54 Rewrite Strategy: INNERMOST 3.07/1.54 ---------------------------------------- 3.07/1.54 3.07/1.54 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.07/1.54 Transformed a relative TRS into a decreasing-loop problem. 3.07/1.54 ---------------------------------------- 3.07/1.54 3.07/1.54 (2) 3.07/1.54 Obligation: 3.07/1.54 Analyzing the following TRS for decreasing loops: 3.07/1.54 3.07/1.54 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.07/1.54 3.07/1.54 3.07/1.54 The TRS R consists of the following rules: 3.07/1.54 3.07/1.54 letexp(x, y) -> letexp(Cons(Cons(Nil, Nil), x), y) 3.07/1.54 goal(x, y) -> letexp(x, y) 3.07/1.54 3.07/1.54 S is empty. 3.07/1.54 Rewrite Strategy: INNERMOST 3.07/1.54 ---------------------------------------- 3.07/1.54 3.07/1.54 (3) InfiniteLowerBoundProof (FINISHED) 3.07/1.54 The following loop proves infinite runtime complexity: 3.07/1.54 3.07/1.54 The rewrite sequence 3.07/1.54 3.07/1.54 letexp(x, y) ->^+ letexp(Cons(Cons(Nil, Nil), x), y) 3.07/1.54 3.07/1.54 gives rise to a decreasing loop by considering the right hand sides subterm at position []. 3.07/1.54 3.07/1.54 The pumping substitution is [ ]. 3.07/1.54 3.07/1.54 The result substitution is [x / Cons(Cons(Nil, Nil), x)]. 3.07/1.54 3.07/1.54 3.07/1.54 3.07/1.54 3.07/1.54 ---------------------------------------- 3.07/1.54 3.07/1.54 (4) 3.07/1.54 BOUNDS(INF, INF) 3.21/1.57 EOF