1083.45/291.51 WORST_CASE(Omega(n^1), ?) 1083.45/291.53 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 1083.45/291.53 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 1083.45/291.53 1083.45/291.53 1083.45/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1083.45/291.53 1083.45/291.53 (0) CpxTRS 1083.45/291.53 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 1083.45/291.53 (2) TRS for Loop Detection 1083.45/291.53 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 1083.45/291.53 (4) BEST 1083.45/291.53 (5) proven lower bound 1083.45/291.53 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 1083.45/291.53 (7) BOUNDS(n^1, INF) 1083.45/291.53 (8) TRS for Loop Detection 1083.45/291.53 1083.45/291.53 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (0) 1083.45/291.53 Obligation: 1083.45/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1083.45/291.53 1083.45/291.53 1083.45/291.53 The TRS R consists of the following rules: 1083.45/291.53 1083.45/291.53 f(x, a(b(y))) -> f(a(a(x)), y) 1083.45/291.53 f(x, b(a(y))) -> f(b(b(x)), y) 1083.45/291.53 f(a(x), y) -> f(x, a(y)) 1083.45/291.53 f(b(x), y) -> f(x, b(y)) 1083.45/291.53 1083.45/291.53 S is empty. 1083.45/291.53 Rewrite Strategy: FULL 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 1083.45/291.53 Transformed a relative TRS into a decreasing-loop problem. 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (2) 1083.45/291.53 Obligation: 1083.45/291.53 Analyzing the following TRS for decreasing loops: 1083.45/291.53 1083.45/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1083.45/291.53 1083.45/291.53 1083.45/291.53 The TRS R consists of the following rules: 1083.45/291.53 1083.45/291.53 f(x, a(b(y))) -> f(a(a(x)), y) 1083.45/291.53 f(x, b(a(y))) -> f(b(b(x)), y) 1083.45/291.53 f(a(x), y) -> f(x, a(y)) 1083.45/291.53 f(b(x), y) -> f(x, b(y)) 1083.45/291.53 1083.45/291.53 S is empty. 1083.45/291.53 Rewrite Strategy: FULL 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (3) DecreasingLoopProof (LOWER BOUND(ID)) 1083.45/291.53 The following loop(s) give(s) rise to the lower bound Omega(n^1): 1083.45/291.53 1083.45/291.53 The rewrite sequence 1083.45/291.53 1083.45/291.53 f(x, a(b(y))) ->^+ f(a(a(x)), y) 1083.45/291.53 1083.45/291.53 gives rise to a decreasing loop by considering the right hand sides subterm at position []. 1083.45/291.53 1083.45/291.53 The pumping substitution is [y / a(b(y))]. 1083.45/291.53 1083.45/291.53 The result substitution is [x / a(a(x))]. 1083.45/291.53 1083.45/291.53 1083.45/291.53 1083.45/291.53 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (4) 1083.45/291.53 Complex Obligation (BEST) 1083.45/291.53 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (5) 1083.45/291.53 Obligation: 1083.45/291.53 Proved the lower bound n^1 for the following obligation: 1083.45/291.53 1083.45/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1083.45/291.53 1083.45/291.53 1083.45/291.53 The TRS R consists of the following rules: 1083.45/291.53 1083.45/291.53 f(x, a(b(y))) -> f(a(a(x)), y) 1083.45/291.53 f(x, b(a(y))) -> f(b(b(x)), y) 1083.45/291.53 f(a(x), y) -> f(x, a(y)) 1083.45/291.53 f(b(x), y) -> f(x, b(y)) 1083.45/291.53 1083.45/291.53 S is empty. 1083.45/291.53 Rewrite Strategy: FULL 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (6) LowerBoundPropagationProof (FINISHED) 1083.45/291.53 Propagated lower bound. 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (7) 1083.45/291.53 BOUNDS(n^1, INF) 1083.45/291.53 1083.45/291.53 ---------------------------------------- 1083.45/291.53 1083.45/291.53 (8) 1083.45/291.53 Obligation: 1083.45/291.53 Analyzing the following TRS for decreasing loops: 1083.45/291.53 1083.45/291.53 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 1083.45/291.53 1083.45/291.53 1083.45/291.53 The TRS R consists of the following rules: 1083.45/291.53 1083.45/291.53 f(x, a(b(y))) -> f(a(a(x)), y) 1083.45/291.53 f(x, b(a(y))) -> f(b(b(x)), y) 1083.45/291.53 f(a(x), y) -> f(x, a(y)) 1083.45/291.53 f(b(x), y) -> f(x, b(y)) 1083.45/291.53 1083.45/291.53 S is empty. 1083.45/291.53 Rewrite Strategy: FULL 1083.77/291.60 EOF