6.64/2.50 WORST_CASE(Omega(n^1), O(n^1)) 6.64/2.51 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 6.64/2.51 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 6.64/2.51 6.64/2.51 6.64/2.51 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 6.64/2.51 6.64/2.51 (0) CpxTRS 6.64/2.51 (1) RelTrsToTrsProof [UPPER BOUND(ID), 0 ms] 6.64/2.51 (2) CpxTRS 6.64/2.51 (3) CpxTrsMatchBoundsProof [FINISHED, 0 ms] 6.64/2.51 (4) BOUNDS(1, n^1) 6.64/2.51 (5) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 6.64/2.51 (6) TRS for Loop Detection 6.64/2.51 (7) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 6.64/2.51 (8) BEST 6.64/2.51 (9) proven lower bound 6.64/2.51 (10) LowerBoundPropagationProof [FINISHED, 0 ms] 6.64/2.51 (11) BOUNDS(n^1, INF) 6.64/2.51 (12) TRS for Loop Detection 6.64/2.51 6.64/2.51 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (0) 6.64/2.51 Obligation: 6.64/2.51 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 6.64/2.51 6.64/2.51 6.64/2.51 The TRS R consists of the following rules: 6.64/2.51 6.64/2.51 a(b(x)) -> b(b(a(x))) 6.64/2.51 6.64/2.51 S is empty. 6.64/2.51 Rewrite Strategy: INNERMOST 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (1) RelTrsToTrsProof (UPPER BOUND(ID)) 6.64/2.51 transformed relative TRS to TRS 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (2) 6.64/2.51 Obligation: 6.64/2.51 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(1, n^1). 6.64/2.51 6.64/2.51 6.64/2.51 The TRS R consists of the following rules: 6.64/2.51 6.64/2.51 a(b(x)) -> b(b(a(x))) 6.64/2.51 6.64/2.51 S is empty. 6.64/2.51 Rewrite Strategy: INNERMOST 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (3) CpxTrsMatchBoundsProof (FINISHED) 6.64/2.51 A linear upper bound on the runtime complexity of the TRS R could be shown with a Match Bound [MATCHBOUNDS1,MATCHBOUNDS2] of 1. 6.64/2.51 The certificate found is represented by the following graph. 6.64/2.51 6.64/2.51 "[1, 2, 3, 4] 6.64/2.51 {(1,2,[a_1|0]), (1,3,[b_1|1]), (2,2,[b_1|0]), (3,4,[b_1|1]), (4,2,[a_1|1]), (4,3,[b_1|1])}" 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (4) 6.64/2.51 BOUNDS(1, n^1) 6.64/2.51 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (5) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 6.64/2.51 Transformed a relative TRS into a decreasing-loop problem. 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (6) 6.64/2.51 Obligation: 6.64/2.51 Analyzing the following TRS for decreasing loops: 6.64/2.51 6.64/2.51 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 6.64/2.51 6.64/2.51 6.64/2.51 The TRS R consists of the following rules: 6.64/2.51 6.64/2.51 a(b(x)) -> b(b(a(x))) 6.64/2.51 6.64/2.51 S is empty. 6.64/2.51 Rewrite Strategy: INNERMOST 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (7) DecreasingLoopProof (LOWER BOUND(ID)) 6.64/2.51 The following loop(s) give(s) rise to the lower bound Omega(n^1): 6.64/2.51 6.64/2.51 The rewrite sequence 6.64/2.51 6.64/2.51 a(b(x)) ->^+ b(b(a(x))) 6.64/2.51 6.64/2.51 gives rise to a decreasing loop by considering the right hand sides subterm at position [0,0]. 6.64/2.51 6.64/2.51 The pumping substitution is [x / b(x)]. 6.64/2.51 6.64/2.51 The result substitution is [ ]. 6.64/2.51 6.64/2.51 6.64/2.51 6.64/2.51 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (8) 6.64/2.51 Complex Obligation (BEST) 6.64/2.51 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (9) 6.64/2.51 Obligation: 6.64/2.51 Proved the lower bound n^1 for the following obligation: 6.64/2.51 6.64/2.51 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 6.64/2.51 6.64/2.51 6.64/2.51 The TRS R consists of the following rules: 6.64/2.51 6.64/2.51 a(b(x)) -> b(b(a(x))) 6.64/2.51 6.64/2.51 S is empty. 6.64/2.51 Rewrite Strategy: INNERMOST 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (10) LowerBoundPropagationProof (FINISHED) 6.64/2.51 Propagated lower bound. 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (11) 6.64/2.51 BOUNDS(n^1, INF) 6.64/2.51 6.64/2.51 ---------------------------------------- 6.64/2.51 6.64/2.51 (12) 6.64/2.51 Obligation: 6.64/2.51 Analyzing the following TRS for decreasing loops: 6.64/2.51 6.64/2.51 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 6.64/2.51 6.64/2.51 6.64/2.51 The TRS R consists of the following rules: 6.64/2.51 6.64/2.51 a(b(x)) -> b(b(a(x))) 6.64/2.51 6.64/2.51 S is empty. 6.64/2.51 Rewrite Strategy: INNERMOST 6.89/2.54 EOF