3.44/1.68 WORST_CASE(NON_POLY, ?) 3.44/1.69 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.44/1.69 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.44/1.69 3.44/1.69 3.44/1.69 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.44/1.69 3.44/1.69 (0) CpxTRS 3.44/1.69 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.44/1.69 (2) TRS for Loop Detection 3.44/1.69 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.44/1.69 (4) BEST 3.44/1.69 (5) proven lower bound 3.44/1.69 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 3.44/1.69 (7) BOUNDS(n^1, INF) 3.44/1.69 (8) TRS for Loop Detection 3.44/1.69 (9) InfiniteLowerBoundProof [FINISHED, 7 ms] 3.44/1.69 (10) BOUNDS(INF, INF) 3.44/1.69 3.44/1.69 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (0) 3.44/1.69 Obligation: 3.44/1.69 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.44/1.69 3.44/1.69 3.44/1.69 The TRS R consists of the following rules: 3.44/1.69 3.44/1.69 inc(Cons(x, xs)) -> Cons(Cons(Nil, Nil), inc(xs)) 3.44/1.69 nestinc(Nil) -> number17(Nil) 3.44/1.69 nestinc(Cons(x, xs)) -> nestinc(inc(Cons(x, xs))) 3.44/1.69 inc(Nil) -> Cons(Nil, Nil) 3.44/1.69 number17(x) -> Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Nil))))))))))))))))) 3.44/1.69 goal(x) -> nestinc(x) 3.44/1.69 3.44/1.69 S is empty. 3.44/1.69 Rewrite Strategy: INNERMOST 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.44/1.69 Transformed a relative TRS into a decreasing-loop problem. 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (2) 3.44/1.69 Obligation: 3.44/1.69 Analyzing the following TRS for decreasing loops: 3.44/1.69 3.44/1.69 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.44/1.69 3.44/1.69 3.44/1.69 The TRS R consists of the following rules: 3.44/1.69 3.44/1.69 inc(Cons(x, xs)) -> Cons(Cons(Nil, Nil), inc(xs)) 3.44/1.69 nestinc(Nil) -> number17(Nil) 3.44/1.69 nestinc(Cons(x, xs)) -> nestinc(inc(Cons(x, xs))) 3.44/1.69 inc(Nil) -> Cons(Nil, Nil) 3.44/1.69 number17(x) -> Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Nil))))))))))))))))) 3.44/1.69 goal(x) -> nestinc(x) 3.44/1.69 3.44/1.69 S is empty. 3.44/1.69 Rewrite Strategy: INNERMOST 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (3) DecreasingLoopProof (LOWER BOUND(ID)) 3.44/1.69 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.44/1.69 3.44/1.69 The rewrite sequence 3.44/1.69 3.44/1.69 inc(Cons(x, xs)) ->^+ Cons(Cons(Nil, Nil), inc(xs)) 3.44/1.69 3.44/1.69 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 3.44/1.69 3.44/1.69 The pumping substitution is [xs / Cons(x, xs)]. 3.44/1.69 3.44/1.69 The result substitution is [ ]. 3.44/1.69 3.44/1.69 3.44/1.69 3.44/1.69 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (4) 3.44/1.69 Complex Obligation (BEST) 3.44/1.69 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (5) 3.44/1.69 Obligation: 3.44/1.69 Proved the lower bound n^1 for the following obligation: 3.44/1.69 3.44/1.69 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.44/1.69 3.44/1.69 3.44/1.69 The TRS R consists of the following rules: 3.44/1.69 3.44/1.69 inc(Cons(x, xs)) -> Cons(Cons(Nil, Nil), inc(xs)) 3.44/1.69 nestinc(Nil) -> number17(Nil) 3.44/1.69 nestinc(Cons(x, xs)) -> nestinc(inc(Cons(x, xs))) 3.44/1.69 inc(Nil) -> Cons(Nil, Nil) 3.44/1.69 number17(x) -> Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Nil))))))))))))))))) 3.44/1.69 goal(x) -> nestinc(x) 3.44/1.69 3.44/1.69 S is empty. 3.44/1.69 Rewrite Strategy: INNERMOST 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (6) LowerBoundPropagationProof (FINISHED) 3.44/1.69 Propagated lower bound. 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (7) 3.44/1.69 BOUNDS(n^1, INF) 3.44/1.69 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (8) 3.44/1.69 Obligation: 3.44/1.69 Analyzing the following TRS for decreasing loops: 3.44/1.69 3.44/1.69 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.44/1.69 3.44/1.69 3.44/1.69 The TRS R consists of the following rules: 3.44/1.69 3.44/1.69 inc(Cons(x, xs)) -> Cons(Cons(Nil, Nil), inc(xs)) 3.44/1.69 nestinc(Nil) -> number17(Nil) 3.44/1.69 nestinc(Cons(x, xs)) -> nestinc(inc(Cons(x, xs))) 3.44/1.69 inc(Nil) -> Cons(Nil, Nil) 3.44/1.69 number17(x) -> Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Cons(Nil, Nil))))))))))))))))) 3.44/1.69 goal(x) -> nestinc(x) 3.44/1.69 3.44/1.69 S is empty. 3.44/1.69 Rewrite Strategy: INNERMOST 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (9) InfiniteLowerBoundProof (FINISHED) 3.44/1.69 The following loop proves infinite runtime complexity: 3.44/1.69 3.44/1.69 The rewrite sequence 3.44/1.69 3.44/1.69 nestinc(Cons(x, xs)) ->^+ nestinc(Cons(Cons(Nil, Nil), inc(xs))) 3.44/1.69 3.44/1.69 gives rise to a decreasing loop by considering the right hand sides subterm at position []. 3.44/1.69 3.44/1.69 The pumping substitution is [ ]. 3.44/1.69 3.44/1.69 The result substitution is [x / Cons(Nil, Nil), xs / inc(xs)]. 3.44/1.69 3.44/1.69 3.44/1.69 3.44/1.69 3.44/1.69 ---------------------------------------- 3.44/1.69 3.44/1.69 (10) 3.44/1.69 BOUNDS(INF, INF) 3.88/1.73 EOF