1102.91/291.51 WORST_CASE(Omega(n^1), ?) 1105.30/292.12 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 1105.30/292.12 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 1105.30/292.12 1105.30/292.12 1105.30/292.12 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1105.30/292.12 1105.30/292.12 (0) CpxTRS 1105.30/292.12 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 1105.30/292.12 (2) TRS for Loop Detection 1105.30/292.12 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 1105.30/292.12 (4) BEST 1105.30/292.12 (5) proven lower bound 1105.30/292.12 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 1105.30/292.12 (7) BOUNDS(n^1, INF) 1105.30/292.12 (8) TRS for Loop Detection 1105.30/292.12 1105.30/292.12 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (0) 1105.30/292.12 Obligation: 1105.30/292.12 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1105.30/292.12 1105.30/292.12 1105.30/292.12 The TRS R consists of the following rules: 1105.30/292.12 1105.30/292.12 f(x, a(b(y))) -> a(f(a(b(x)), y)) 1105.30/292.12 f(a(x), y) -> f(x, a(y)) 1105.30/292.12 f(b(x), y) -> f(x, b(y)) 1105.30/292.12 1105.30/292.12 S is empty. 1105.30/292.12 Rewrite Strategy: FULL 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 1105.30/292.12 Transformed a relative TRS into a decreasing-loop problem. 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (2) 1105.30/292.12 Obligation: 1105.30/292.12 Analyzing the following TRS for decreasing loops: 1105.30/292.12 1105.30/292.12 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1105.30/292.12 1105.30/292.12 1105.30/292.12 The TRS R consists of the following rules: 1105.30/292.12 1105.30/292.12 f(x, a(b(y))) -> a(f(a(b(x)), y)) 1105.30/292.12 f(a(x), y) -> f(x, a(y)) 1105.30/292.12 f(b(x), y) -> f(x, b(y)) 1105.30/292.12 1105.30/292.12 S is empty. 1105.30/292.12 Rewrite Strategy: FULL 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (3) DecreasingLoopProof (LOWER BOUND(ID)) 1105.30/292.12 The following loop(s) give(s) rise to the lower bound Omega(n^1): 1105.30/292.12 1105.30/292.12 The rewrite sequence 1105.30/292.12 1105.30/292.12 f(x, a(b(y))) ->^+ a(f(a(b(x)), y)) 1105.30/292.12 1105.30/292.12 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 1105.30/292.12 1105.30/292.12 The pumping substitution is [y / a(b(y))]. 1105.30/292.12 1105.30/292.12 The result substitution is [x / a(b(x))]. 1105.30/292.12 1105.30/292.12 1105.30/292.12 1105.30/292.12 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (4) 1105.30/292.12 Complex Obligation (BEST) 1105.30/292.12 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (5) 1105.30/292.12 Obligation: 1105.30/292.12 Proved the lower bound n^1 for the following obligation: 1105.30/292.12 1105.30/292.12 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1105.30/292.12 1105.30/292.12 1105.30/292.12 The TRS R consists of the following rules: 1105.30/292.12 1105.30/292.12 f(x, a(b(y))) -> a(f(a(b(x)), y)) 1105.30/292.12 f(a(x), y) -> f(x, a(y)) 1105.30/292.12 f(b(x), y) -> f(x, b(y)) 1105.30/292.12 1105.30/292.12 S is empty. 1105.30/292.12 Rewrite Strategy: FULL 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (6) LowerBoundPropagationProof (FINISHED) 1105.30/292.12 Propagated lower bound. 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (7) 1105.30/292.12 BOUNDS(n^1, INF) 1105.30/292.12 1105.30/292.12 ---------------------------------------- 1105.30/292.12 1105.30/292.12 (8) 1105.30/292.12 Obligation: 1105.30/292.12 Analyzing the following TRS for decreasing loops: 1105.30/292.12 1105.30/292.12 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1105.30/292.12 1105.30/292.12 1105.30/292.12 The TRS R consists of the following rules: 1105.30/292.12 1105.30/292.12 f(x, a(b(y))) -> a(f(a(b(x)), y)) 1105.30/292.12 f(a(x), y) -> f(x, a(y)) 1105.30/292.12 f(b(x), y) -> f(x, b(y)) 1105.30/292.12 1105.30/292.12 S is empty. 1105.30/292.12 Rewrite Strategy: FULL 1105.52/292.19 EOF