3.36/1.55 WORST_CASE(Omega(n^1), O(n^1)) 3.36/1.56 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 3.36/1.56 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.36/1.56 3.36/1.56 3.36/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.56 3.36/1.56 (0) CpxTRS 3.36/1.56 (1) RelTrsToTrsProof [UPPER BOUND(ID), 0 ms] 3.36/1.56 (2) CpxTRS 3.36/1.56 (3) CpxTrsMatchBoundsTAProof [FINISHED, 0 ms] 3.36/1.56 (4) BOUNDS(1, n^1) 3.36/1.56 (5) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.36/1.56 (6) TRS for Loop Detection 3.36/1.56 (7) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.36/1.56 (8) BEST 3.36/1.56 (9) proven lower bound 3.36/1.56 (10) LowerBoundPropagationProof [FINISHED, 0 ms] 3.36/1.56 (11) BOUNDS(n^1, INF) 3.36/1.56 (12) TRS for Loop Detection 3.36/1.56 3.36/1.56 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (0) 3.36/1.56 Obligation: 3.36/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.56 3.36/1.56 3.36/1.56 The TRS R consists of the following rules: 3.36/1.56 3.36/1.56 odd(Cons(x, xs)) -> even(xs) 3.36/1.56 odd(Nil) -> False 3.36/1.56 even(Cons(x, xs)) -> odd(xs) 3.36/1.56 notEmpty(Cons(x, xs)) -> True 3.36/1.56 notEmpty(Nil) -> False 3.36/1.56 even(Nil) -> True 3.36/1.56 evenodd(x) -> even(x) 3.36/1.56 3.36/1.56 S is empty. 3.36/1.56 Rewrite Strategy: INNERMOST 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (1) RelTrsToTrsProof (UPPER BOUND(ID)) 3.36/1.56 transformed relative TRS to TRS 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (2) 3.36/1.56 Obligation: 3.36/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(1, n^1). 3.36/1.56 3.36/1.56 3.36/1.56 The TRS R consists of the following rules: 3.36/1.56 3.36/1.56 odd(Cons(x, xs)) -> even(xs) 3.36/1.56 odd(Nil) -> False 3.36/1.56 even(Cons(x, xs)) -> odd(xs) 3.36/1.56 notEmpty(Cons(x, xs)) -> True 3.36/1.56 notEmpty(Nil) -> False 3.36/1.56 even(Nil) -> True 3.36/1.56 evenodd(x) -> even(x) 3.36/1.56 3.36/1.56 S is empty. 3.36/1.56 Rewrite Strategy: INNERMOST 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (3) CpxTrsMatchBoundsTAProof (FINISHED) 3.36/1.56 A linear upper bound on the runtime complexity of the TRS R could be shown with a Match-Bound[TAB_LEFTLINEAR,TAB_NONLEFTLINEAR] (for contructor-based start-terms) of 1. 3.36/1.56 3.36/1.56 The compatible tree automaton used to show the Match-Boundedness (for constructor-based start-terms) is represented by: 3.36/1.56 final states : [1, 2, 3, 4] 3.36/1.56 transitions: 3.36/1.56 Cons0(0, 0) -> 0 3.36/1.56 Nil0() -> 0 3.36/1.56 False0() -> 0 3.36/1.56 True0() -> 0 3.36/1.56 odd0(0) -> 1 3.36/1.56 even0(0) -> 2 3.36/1.56 notEmpty0(0) -> 3 3.36/1.56 evenodd0(0) -> 4 3.36/1.56 even1(0) -> 1 3.36/1.56 False1() -> 1 3.36/1.56 odd1(0) -> 2 3.36/1.56 True1() -> 3 3.36/1.56 False1() -> 3 3.36/1.56 True1() -> 2 3.36/1.56 even1(0) -> 4 3.36/1.56 even1(0) -> 2 3.36/1.56 False1() -> 2 3.36/1.56 odd1(0) -> 1 3.36/1.56 odd1(0) -> 4 3.36/1.56 True1() -> 1 3.36/1.56 True1() -> 4 3.36/1.56 False1() -> 4 3.36/1.56 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (4) 3.36/1.56 BOUNDS(1, n^1) 3.36/1.56 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (5) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.36/1.56 Transformed a relative TRS into a decreasing-loop problem. 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (6) 3.36/1.56 Obligation: 3.36/1.56 Analyzing the following TRS for decreasing loops: 3.36/1.56 3.36/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.56 3.36/1.56 3.36/1.56 The TRS R consists of the following rules: 3.36/1.56 3.36/1.56 odd(Cons(x, xs)) -> even(xs) 3.36/1.56 odd(Nil) -> False 3.36/1.56 even(Cons(x, xs)) -> odd(xs) 3.36/1.56 notEmpty(Cons(x, xs)) -> True 3.36/1.56 notEmpty(Nil) -> False 3.36/1.56 even(Nil) -> True 3.36/1.56 evenodd(x) -> even(x) 3.36/1.56 3.36/1.56 S is empty. 3.36/1.56 Rewrite Strategy: INNERMOST 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (7) DecreasingLoopProof (LOWER BOUND(ID)) 3.36/1.56 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.36/1.56 3.36/1.56 The rewrite sequence 3.36/1.56 3.36/1.56 even(Cons(x, Cons(x1_0, xs2_0))) ->^+ even(xs2_0) 3.36/1.56 3.36/1.56 gives rise to a decreasing loop by considering the right hand sides subterm at position []. 3.36/1.56 3.36/1.56 The pumping substitution is [xs2_0 / Cons(x, Cons(x1_0, xs2_0))]. 3.36/1.56 3.36/1.56 The result substitution is [ ]. 3.36/1.56 3.36/1.56 3.36/1.56 3.36/1.56 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (8) 3.36/1.56 Complex Obligation (BEST) 3.36/1.56 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (9) 3.36/1.56 Obligation: 3.36/1.56 Proved the lower bound n^1 for the following obligation: 3.36/1.56 3.36/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.56 3.36/1.56 3.36/1.56 The TRS R consists of the following rules: 3.36/1.56 3.36/1.56 odd(Cons(x, xs)) -> even(xs) 3.36/1.56 odd(Nil) -> False 3.36/1.56 even(Cons(x, xs)) -> odd(xs) 3.36/1.56 notEmpty(Cons(x, xs)) -> True 3.36/1.56 notEmpty(Nil) -> False 3.36/1.56 even(Nil) -> True 3.36/1.56 evenodd(x) -> even(x) 3.36/1.56 3.36/1.56 S is empty. 3.36/1.56 Rewrite Strategy: INNERMOST 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (10) LowerBoundPropagationProof (FINISHED) 3.36/1.56 Propagated lower bound. 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (11) 3.36/1.56 BOUNDS(n^1, INF) 3.36/1.56 3.36/1.56 ---------------------------------------- 3.36/1.56 3.36/1.56 (12) 3.36/1.56 Obligation: 3.36/1.56 Analyzing the following TRS for decreasing loops: 3.36/1.56 3.36/1.56 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.56 3.36/1.56 3.36/1.56 The TRS R consists of the following rules: 3.36/1.56 3.36/1.56 odd(Cons(x, xs)) -> even(xs) 3.36/1.56 odd(Nil) -> False 3.36/1.56 even(Cons(x, xs)) -> odd(xs) 3.36/1.56 notEmpty(Cons(x, xs)) -> True 3.36/1.56 notEmpty(Nil) -> False 3.36/1.56 even(Nil) -> True 3.36/1.56 evenodd(x) -> even(x) 3.36/1.56 3.36/1.56 S is empty. 3.36/1.56 Rewrite Strategy: INNERMOST 3.55/1.59 EOF