908.95/291.52 WORST_CASE(Omega(n^1), ?) 908.95/291.53 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 908.95/291.53 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 908.95/291.53 908.95/291.53 908.95/291.53 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 908.95/291.53 908.95/291.53 (0) CpxTRS 908.95/291.53 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 908.95/291.53 (2) TRS for Loop Detection 908.95/291.53 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 908.95/291.53 (4) BEST 908.95/291.53 (5) proven lower bound 908.95/291.53 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 908.95/291.53 (7) BOUNDS(n^1, INF) 908.95/291.53 (8) TRS for Loop Detection 908.95/291.53 908.95/291.53 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (0) 908.95/291.53 Obligation: 908.95/291.53 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 908.95/291.53 908.95/291.53 908.95/291.53 The TRS R consists of the following rules: 908.95/291.53 908.95/291.53 a__f(a, b, X) -> a__f(X, X, mark(X)) 908.95/291.53 a__c -> a 908.95/291.53 a__c -> b 908.95/291.53 mark(f(X1, X2, X3)) -> a__f(X1, X2, mark(X3)) 908.95/291.53 mark(c) -> a__c 908.95/291.53 mark(a) -> a 908.95/291.53 mark(b) -> b 908.95/291.53 a__f(X1, X2, X3) -> f(X1, X2, X3) 908.95/291.53 a__c -> c 908.95/291.53 908.95/291.53 S is empty. 908.95/291.53 Rewrite Strategy: INNERMOST 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 908.95/291.53 Transformed a relative TRS into a decreasing-loop problem. 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (2) 908.95/291.53 Obligation: 908.95/291.53 Analyzing the following TRS for decreasing loops: 908.95/291.53 908.95/291.53 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 908.95/291.53 908.95/291.53 908.95/291.53 The TRS R consists of the following rules: 908.95/291.53 908.95/291.53 a__f(a, b, X) -> a__f(X, X, mark(X)) 908.95/291.53 a__c -> a 908.95/291.53 a__c -> b 908.95/291.53 mark(f(X1, X2, X3)) -> a__f(X1, X2, mark(X3)) 908.95/291.53 mark(c) -> a__c 908.95/291.53 mark(a) -> a 908.95/291.53 mark(b) -> b 908.95/291.53 a__f(X1, X2, X3) -> f(X1, X2, X3) 908.95/291.53 a__c -> c 908.95/291.53 908.95/291.53 S is empty. 908.95/291.53 Rewrite Strategy: INNERMOST 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (3) DecreasingLoopProof (LOWER BOUND(ID)) 908.95/291.53 The following loop(s) give(s) rise to the lower bound Omega(n^1): 908.95/291.53 908.95/291.53 The rewrite sequence 908.95/291.53 908.95/291.53 mark(f(X1, X2, X3)) ->^+ a__f(X1, X2, mark(X3)) 908.95/291.53 908.95/291.53 gives rise to a decreasing loop by considering the right hand sides subterm at position [2]. 908.95/291.53 908.95/291.53 The pumping substitution is [X3 / f(X1, X2, X3)]. 908.95/291.53 908.95/291.53 The result substitution is [ ]. 908.95/291.53 908.95/291.53 908.95/291.53 908.95/291.53 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (4) 908.95/291.53 Complex Obligation (BEST) 908.95/291.53 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (5) 908.95/291.53 Obligation: 908.95/291.53 Proved the lower bound n^1 for the following obligation: 908.95/291.53 908.95/291.53 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 908.95/291.53 908.95/291.53 908.95/291.53 The TRS R consists of the following rules: 908.95/291.53 908.95/291.53 a__f(a, b, X) -> a__f(X, X, mark(X)) 908.95/291.53 a__c -> a 908.95/291.53 a__c -> b 908.95/291.53 mark(f(X1, X2, X3)) -> a__f(X1, X2, mark(X3)) 908.95/291.53 mark(c) -> a__c 908.95/291.53 mark(a) -> a 908.95/291.53 mark(b) -> b 908.95/291.53 a__f(X1, X2, X3) -> f(X1, X2, X3) 908.95/291.53 a__c -> c 908.95/291.53 908.95/291.53 S is empty. 908.95/291.53 Rewrite Strategy: INNERMOST 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (6) LowerBoundPropagationProof (FINISHED) 908.95/291.53 Propagated lower bound. 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (7) 908.95/291.53 BOUNDS(n^1, INF) 908.95/291.53 908.95/291.53 ---------------------------------------- 908.95/291.53 908.95/291.53 (8) 908.95/291.53 Obligation: 908.95/291.53 Analyzing the following TRS for decreasing loops: 908.95/291.53 908.95/291.53 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 908.95/291.53 908.95/291.53 908.95/291.53 The TRS R consists of the following rules: 908.95/291.53 908.95/291.53 a__f(a, b, X) -> a__f(X, X, mark(X)) 908.95/291.53 a__c -> a 908.95/291.53 a__c -> b 908.95/291.53 mark(f(X1, X2, X3)) -> a__f(X1, X2, mark(X3)) 908.95/291.53 mark(c) -> a__c 908.95/291.53 mark(a) -> a 908.95/291.53 mark(b) -> b 908.95/291.53 a__f(X1, X2, X3) -> f(X1, X2, X3) 908.95/291.53 a__c -> c 908.95/291.53 908.95/291.53 S is empty. 908.95/291.53 Rewrite Strategy: INNERMOST 909.15/291.56 EOF