1072.34/291.51 WORST_CASE(Omega(n^1), ?) 1072.80/291.65 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 1072.80/291.65 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 1072.80/291.65 1072.80/291.65 1072.80/291.65 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1072.80/291.65 1072.80/291.65 (0) CpxTRS 1072.80/291.65 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 1072.80/291.65 (2) TRS for Loop Detection 1072.80/291.65 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 1072.80/291.65 (4) BEST 1072.80/291.65 (5) proven lower bound 1072.80/291.65 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 1072.80/291.65 (7) BOUNDS(n^1, INF) 1072.80/291.65 (8) TRS for Loop Detection 1072.80/291.65 1072.80/291.65 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (0) 1072.80/291.65 Obligation: 1072.80/291.65 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1072.80/291.65 1072.80/291.65 1072.80/291.65 The TRS R consists of the following rules: 1072.80/291.65 1072.80/291.65 f(x, a(a(b(b(y))))) -> f(a(a(a(b(b(b(x)))))), y) 1072.80/291.65 f(a(x), y) -> f(x, a(y)) 1072.80/291.65 f(b(x), y) -> f(x, b(y)) 1072.80/291.65 1072.80/291.65 S is empty. 1072.80/291.65 Rewrite Strategy: INNERMOST 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 1072.80/291.65 Transformed a relative TRS into a decreasing-loop problem. 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (2) 1072.80/291.65 Obligation: 1072.80/291.65 Analyzing the following TRS for decreasing loops: 1072.80/291.65 1072.80/291.65 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1072.80/291.65 1072.80/291.65 1072.80/291.65 The TRS R consists of the following rules: 1072.80/291.65 1072.80/291.65 f(x, a(a(b(b(y))))) -> f(a(a(a(b(b(b(x)))))), y) 1072.80/291.65 f(a(x), y) -> f(x, a(y)) 1072.80/291.65 f(b(x), y) -> f(x, b(y)) 1072.80/291.65 1072.80/291.65 S is empty. 1072.80/291.65 Rewrite Strategy: INNERMOST 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (3) DecreasingLoopProof (LOWER BOUND(ID)) 1072.80/291.65 The following loop(s) give(s) rise to the lower bound Omega(n^1): 1072.80/291.65 1072.80/291.65 The rewrite sequence 1072.80/291.65 1072.80/291.65 f(x, a(a(b(b(y))))) ->^+ f(a(a(a(b(b(b(x)))))), y) 1072.80/291.65 1072.80/291.65 gives rise to a decreasing loop by considering the right hand sides subterm at position []. 1072.80/291.65 1072.80/291.65 The pumping substitution is [y / a(a(b(b(y))))]. 1072.80/291.65 1072.80/291.65 The result substitution is [x / a(a(a(b(b(b(x))))))]. 1072.80/291.65 1072.80/291.65 1072.80/291.65 1072.80/291.65 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (4) 1072.80/291.65 Complex Obligation (BEST) 1072.80/291.65 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (5) 1072.80/291.65 Obligation: 1072.80/291.65 Proved the lower bound n^1 for the following obligation: 1072.80/291.65 1072.80/291.65 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1072.80/291.65 1072.80/291.65 1072.80/291.65 The TRS R consists of the following rules: 1072.80/291.65 1072.80/291.65 f(x, a(a(b(b(y))))) -> f(a(a(a(b(b(b(x)))))), y) 1072.80/291.65 f(a(x), y) -> f(x, a(y)) 1072.80/291.65 f(b(x), y) -> f(x, b(y)) 1072.80/291.65 1072.80/291.65 S is empty. 1072.80/291.65 Rewrite Strategy: INNERMOST 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (6) LowerBoundPropagationProof (FINISHED) 1072.80/291.65 Propagated lower bound. 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (7) 1072.80/291.65 BOUNDS(n^1, INF) 1072.80/291.65 1072.80/291.65 ---------------------------------------- 1072.80/291.65 1072.80/291.65 (8) 1072.80/291.65 Obligation: 1072.80/291.65 Analyzing the following TRS for decreasing loops: 1072.80/291.65 1072.80/291.65 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1072.80/291.65 1072.80/291.65 1072.80/291.65 The TRS R consists of the following rules: 1072.80/291.65 1072.80/291.65 f(x, a(a(b(b(y))))) -> f(a(a(a(b(b(b(x)))))), y) 1072.80/291.65 f(a(x), y) -> f(x, a(y)) 1072.80/291.65 f(b(x), y) -> f(x, b(y)) 1072.80/291.65 1072.80/291.65 S is empty. 1072.80/291.65 Rewrite Strategy: INNERMOST 1072.99/291.71 EOF