3.13/1.54 WORST_CASE(NON_POLY, ?) 3.13/1.55 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.13/1.55 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.13/1.55 3.13/1.55 3.13/1.55 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.13/1.55 3.13/1.55 (0) CpxTRS 3.13/1.55 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.13/1.55 (2) TRS for Loop Detection 3.13/1.55 (3) InfiniteLowerBoundProof [FINISHED, 0 ms] 3.13/1.55 (4) BOUNDS(INF, INF) 3.13/1.55 3.13/1.55 3.13/1.55 ---------------------------------------- 3.13/1.55 3.13/1.55 (0) 3.13/1.55 Obligation: 3.13/1.55 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.13/1.55 3.13/1.55 3.13/1.55 The TRS R consists of the following rules: 3.13/1.55 3.13/1.55 g(Cons(x, xs), y) -> Cons(x, xs) 3.13/1.55 h(Nil, y) -> h(Nil, y) 3.13/1.55 h(Cons(x, xs), y) -> f(Cons(x, xs), y) 3.13/1.55 g(Nil, y) -> h(Nil, y) 3.13/1.55 f(Nil, y) -> g(Nil, y) 3.13/1.55 f(Cons(x, xs), y) -> h(Cons(x, xs), y) 3.13/1.55 sp1(x, y) -> f(x, y) 3.13/1.55 r(x, y) -> x 3.13/1.55 3.13/1.55 S is empty. 3.13/1.55 Rewrite Strategy: INNERMOST 3.13/1.55 ---------------------------------------- 3.13/1.55 3.13/1.55 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.13/1.55 Transformed a relative TRS into a decreasing-loop problem. 3.13/1.55 ---------------------------------------- 3.13/1.55 3.13/1.55 (2) 3.13/1.55 Obligation: 3.13/1.55 Analyzing the following TRS for decreasing loops: 3.13/1.55 3.13/1.55 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.13/1.55 3.13/1.55 3.13/1.55 The TRS R consists of the following rules: 3.13/1.55 3.13/1.55 g(Cons(x, xs), y) -> Cons(x, xs) 3.13/1.55 h(Nil, y) -> h(Nil, y) 3.13/1.55 h(Cons(x, xs), y) -> f(Cons(x, xs), y) 3.13/1.55 g(Nil, y) -> h(Nil, y) 3.13/1.55 f(Nil, y) -> g(Nil, y) 3.13/1.55 f(Cons(x, xs), y) -> h(Cons(x, xs), y) 3.13/1.55 sp1(x, y) -> f(x, y) 3.13/1.55 r(x, y) -> x 3.13/1.55 3.13/1.55 S is empty. 3.13/1.55 Rewrite Strategy: INNERMOST 3.13/1.55 ---------------------------------------- 3.13/1.55 3.13/1.55 (3) InfiniteLowerBoundProof (FINISHED) 3.13/1.55 The following loop proves infinite runtime complexity: 3.13/1.55 3.13/1.55 The rewrite sequence 3.13/1.55 3.13/1.55 h(Nil, y) ->^+ h(Nil, y) 3.13/1.55 3.13/1.55 gives rise to a decreasing loop by considering the right hand sides subterm at position []. 3.13/1.55 3.13/1.55 The pumping substitution is [ ]. 3.13/1.55 3.13/1.55 The result substitution is [ ]. 3.13/1.55 3.13/1.55 3.13/1.55 3.13/1.55 3.13/1.55 ---------------------------------------- 3.13/1.55 3.13/1.55 (4) 3.13/1.55 BOUNDS(INF, INF) 3.13/1.60 EOF