3.25/1.67 WORST_CASE(NON_POLY, ?) 3.25/1.68 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 3.25/1.68 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.25/1.68 3.25/1.68 3.25/1.68 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.25/1.68 3.25/1.68 (0) CpxTRS 3.25/1.68 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.25/1.68 (2) TRS for Loop Detection 3.25/1.68 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.25/1.68 (4) BEST 3.25/1.68 (5) proven lower bound 3.25/1.68 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 3.25/1.68 (7) BOUNDS(n^1, INF) 3.25/1.68 (8) TRS for Loop Detection 3.25/1.68 (9) InfiniteLowerBoundProof [FINISHED, 0 ms] 3.25/1.68 (10) BOUNDS(INF, INF) 3.25/1.68 3.25/1.68 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (0) 3.25/1.68 Obligation: 3.25/1.68 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.25/1.68 3.25/1.68 3.25/1.68 The TRS R consists of the following rules: 3.25/1.68 3.25/1.68 badd(x', Cons(x, xs)) -> badd(Cons(Nil, Nil), badd(x', xs)) 3.25/1.68 badd(x, Nil) -> x 3.25/1.68 goal(x, y) -> badd(x, y) 3.25/1.68 3.25/1.68 S is empty. 3.25/1.68 Rewrite Strategy: INNERMOST 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.25/1.68 Transformed a relative TRS into a decreasing-loop problem. 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (2) 3.25/1.68 Obligation: 3.25/1.68 Analyzing the following TRS for decreasing loops: 3.25/1.68 3.25/1.68 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.25/1.68 3.25/1.68 3.25/1.68 The TRS R consists of the following rules: 3.25/1.68 3.25/1.68 badd(x', Cons(x, xs)) -> badd(Cons(Nil, Nil), badd(x', xs)) 3.25/1.68 badd(x, Nil) -> x 3.25/1.68 goal(x, y) -> badd(x, y) 3.25/1.68 3.25/1.68 S is empty. 3.25/1.68 Rewrite Strategy: INNERMOST 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (3) DecreasingLoopProof (LOWER BOUND(ID)) 3.25/1.68 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.25/1.68 3.25/1.68 The rewrite sequence 3.25/1.68 3.25/1.68 badd(x', Cons(x, xs)) ->^+ badd(Cons(Nil, Nil), badd(x', xs)) 3.25/1.68 3.25/1.68 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 3.25/1.68 3.25/1.68 The pumping substitution is [xs / Cons(x, xs)]. 3.25/1.68 3.25/1.68 The result substitution is [ ]. 3.25/1.68 3.25/1.68 3.25/1.68 3.25/1.68 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (4) 3.25/1.68 Complex Obligation (BEST) 3.25/1.68 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (5) 3.25/1.68 Obligation: 3.25/1.68 Proved the lower bound n^1 for the following obligation: 3.25/1.68 3.25/1.68 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.25/1.68 3.25/1.68 3.25/1.68 The TRS R consists of the following rules: 3.25/1.68 3.25/1.68 badd(x', Cons(x, xs)) -> badd(Cons(Nil, Nil), badd(x', xs)) 3.25/1.68 badd(x, Nil) -> x 3.25/1.68 goal(x, y) -> badd(x, y) 3.25/1.68 3.25/1.68 S is empty. 3.25/1.68 Rewrite Strategy: INNERMOST 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (6) LowerBoundPropagationProof (FINISHED) 3.25/1.68 Propagated lower bound. 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (7) 3.25/1.68 BOUNDS(n^1, INF) 3.25/1.68 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (8) 3.25/1.68 Obligation: 3.25/1.68 Analyzing the following TRS for decreasing loops: 3.25/1.68 3.25/1.68 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.25/1.68 3.25/1.68 3.25/1.68 The TRS R consists of the following rules: 3.25/1.68 3.25/1.68 badd(x', Cons(x, xs)) -> badd(Cons(Nil, Nil), badd(x', xs)) 3.25/1.68 badd(x, Nil) -> x 3.25/1.68 goal(x, y) -> badd(x, y) 3.25/1.68 3.25/1.68 S is empty. 3.25/1.68 Rewrite Strategy: INNERMOST 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (9) InfiniteLowerBoundProof (FINISHED) 3.25/1.68 The following loop proves infinite runtime complexity: 3.25/1.68 3.25/1.68 The rewrite sequence 3.25/1.68 3.25/1.68 badd(Cons(x2_0, Nil), Cons(x, Nil)) ->^+ badd(Cons(Nil, Nil), Cons(Nil, Nil)) 3.25/1.68 3.25/1.68 gives rise to a decreasing loop by considering the right hand sides subterm at position []. 3.25/1.68 3.25/1.68 The pumping substitution is [ ]. 3.25/1.68 3.25/1.68 The result substitution is [x2_0 / Nil, x / Nil]. 3.25/1.68 3.25/1.68 3.25/1.68 3.25/1.68 3.25/1.68 ---------------------------------------- 3.25/1.68 3.25/1.68 (10) 3.25/1.68 BOUNDS(INF, INF) 3.49/1.70 EOF