3.35/1.68 WORST_CASE(Omega(n^1), O(n^1)) 3.35/1.69 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.35/1.69 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.35/1.69 3.35/1.69 3.35/1.69 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.35/1.69 3.35/1.69 (0) CpxTRS 3.35/1.69 (1) RelTrsToTrsProof [UPPER BOUND(ID), 0 ms] 3.35/1.69 (2) CpxTRS 3.35/1.69 (3) CpxTrsMatchBoundsTAProof [FINISHED, 38 ms] 3.35/1.69 (4) BOUNDS(1, n^1) 3.35/1.69 (5) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.35/1.69 (6) TRS for Loop Detection 3.35/1.69 (7) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.35/1.69 (8) BEST 3.35/1.69 (9) proven lower bound 3.35/1.69 (10) LowerBoundPropagationProof [FINISHED, 0 ms] 3.35/1.69 (11) BOUNDS(n^1, INF) 3.35/1.69 (12) TRS for Loop Detection 3.35/1.69 3.35/1.69 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (0) 3.35/1.69 Obligation: 3.35/1.69 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.35/1.69 3.35/1.69 3.35/1.69 The TRS R consists of the following rules: 3.35/1.69 3.35/1.69 merge(x, nil) -> x 3.35/1.69 merge(nil, y) -> y 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(x, merge(y, ++(u, v))) 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(u, merge(++(x, y), v)) 3.35/1.69 3.35/1.69 S is empty. 3.35/1.69 Rewrite Strategy: FULL 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (1) RelTrsToTrsProof (UPPER BOUND(ID)) 3.35/1.69 transformed relative TRS to TRS 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (2) 3.35/1.69 Obligation: 3.35/1.69 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(1, n^1). 3.35/1.69 3.35/1.69 3.35/1.69 The TRS R consists of the following rules: 3.35/1.69 3.35/1.69 merge(x, nil) -> x 3.35/1.69 merge(nil, y) -> y 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(x, merge(y, ++(u, v))) 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(u, merge(++(x, y), v)) 3.35/1.69 3.35/1.69 S is empty. 3.35/1.69 Rewrite Strategy: FULL 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (3) CpxTrsMatchBoundsTAProof (FINISHED) 3.35/1.69 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. 3.35/1.69 3.35/1.69 The compatible tree automaton used to show the Match-Boundedness (for constructor-based start-terms) is represented by: 3.35/1.69 final states : [1] 3.35/1.69 transitions: 3.35/1.69 nil0() -> 0 3.35/1.69 ++0(0, 0) -> 0 3.35/1.69 u0() -> 0 3.35/1.69 v0() -> 0 3.35/1.69 merge0(0, 0) -> 1 3.35/1.69 u1() -> 4 3.35/1.69 v1() -> 5 3.35/1.69 ++1(4, 5) -> 3 3.35/1.69 merge1(0, 3) -> 2 3.35/1.69 ++1(0, 2) -> 1 3.35/1.69 ++1(0, 0) -> 7 3.35/1.69 v1() -> 8 3.35/1.69 merge1(7, 8) -> 6 3.35/1.69 ++1(4, 6) -> 1 3.35/1.69 ++1(0, 2) -> 2 3.35/1.69 ++1(4, 6) -> 2 3.35/1.69 0 -> 1 3.35/1.69 3 -> 2 3.35/1.69 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (4) 3.35/1.69 BOUNDS(1, n^1) 3.35/1.69 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (5) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.35/1.69 Transformed a relative TRS into a decreasing-loop problem. 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (6) 3.35/1.69 Obligation: 3.35/1.69 Analyzing the following TRS for decreasing loops: 3.35/1.69 3.35/1.69 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.35/1.69 3.35/1.69 3.35/1.69 The TRS R consists of the following rules: 3.35/1.69 3.35/1.69 merge(x, nil) -> x 3.35/1.69 merge(nil, y) -> y 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(x, merge(y, ++(u, v))) 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(u, merge(++(x, y), v)) 3.35/1.69 3.35/1.69 S is empty. 3.35/1.69 Rewrite Strategy: FULL 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (7) DecreasingLoopProof (LOWER BOUND(ID)) 3.35/1.69 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.35/1.69 3.35/1.69 The rewrite sequence 3.35/1.69 3.35/1.69 merge(++(x, y), ++(u, v)) ->^+ ++(x, merge(y, ++(u, v))) 3.35/1.69 3.35/1.69 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 3.35/1.69 3.35/1.69 The pumping substitution is [y / ++(x, y)]. 3.35/1.69 3.35/1.69 The result substitution is [ ]. 3.35/1.69 3.35/1.69 3.35/1.69 3.35/1.69 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (8) 3.35/1.69 Complex Obligation (BEST) 3.35/1.69 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (9) 3.35/1.69 Obligation: 3.35/1.69 Proved the lower bound n^1 for the following obligation: 3.35/1.69 3.35/1.69 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.35/1.69 3.35/1.69 3.35/1.69 The TRS R consists of the following rules: 3.35/1.69 3.35/1.69 merge(x, nil) -> x 3.35/1.69 merge(nil, y) -> y 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(x, merge(y, ++(u, v))) 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(u, merge(++(x, y), v)) 3.35/1.69 3.35/1.69 S is empty. 3.35/1.69 Rewrite Strategy: FULL 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (10) LowerBoundPropagationProof (FINISHED) 3.35/1.69 Propagated lower bound. 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (11) 3.35/1.69 BOUNDS(n^1, INF) 3.35/1.69 3.35/1.69 ---------------------------------------- 3.35/1.69 3.35/1.69 (12) 3.35/1.69 Obligation: 3.35/1.69 Analyzing the following TRS for decreasing loops: 3.35/1.69 3.35/1.69 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.35/1.69 3.35/1.69 3.35/1.69 The TRS R consists of the following rules: 3.35/1.69 3.35/1.69 merge(x, nil) -> x 3.35/1.69 merge(nil, y) -> y 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(x, merge(y, ++(u, v))) 3.35/1.69 merge(++(x, y), ++(u, v)) -> ++(u, merge(++(x, y), v)) 3.35/1.69 3.35/1.69 S is empty. 3.35/1.69 Rewrite Strategy: FULL 3.60/1.72 EOF