884.71/291.54 WORST_CASE(Omega(n^1), ?) 884.71/291.54 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 884.71/291.54 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 884.71/291.54 884.71/291.54 884.71/291.54 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 884.71/291.54 884.71/291.54 (0) CpxTRS 884.71/291.54 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 884.71/291.54 (2) TRS for Loop Detection 884.71/291.54 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 884.71/291.54 (4) BEST 884.71/291.54 (5) proven lower bound 884.71/291.54 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 884.71/291.54 (7) BOUNDS(n^1, INF) 884.71/291.54 (8) TRS for Loop Detection 884.71/291.54 884.71/291.54 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (0) 884.71/291.54 Obligation: 884.71/291.54 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 884.71/291.54 884.71/291.54 884.71/291.54 The TRS R consists of the following rules: 884.71/291.54 884.71/291.54 g(x, 0) -> 0 884.71/291.54 g(d, s(x)) -> s(s(g(d, x))) 884.71/291.54 g(h, s(0)) -> 0 884.71/291.54 g(h, s(s(x))) -> s(g(h, x)) 884.71/291.54 double(x) -> g(d, x) 884.71/291.54 half(x) -> g(h, x) 884.71/291.54 f(s(x), y) -> f(half(s(x)), double(y)) 884.71/291.54 f(s(0), y) -> y 884.71/291.54 id(x) -> f(x, s(0)) 884.71/291.54 884.71/291.54 S is empty. 884.71/291.54 Rewrite Strategy: FULL 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 884.71/291.54 Transformed a relative TRS into a decreasing-loop problem. 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (2) 884.71/291.54 Obligation: 884.71/291.54 Analyzing the following TRS for decreasing loops: 884.71/291.54 884.71/291.54 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 884.71/291.54 884.71/291.54 884.71/291.54 The TRS R consists of the following rules: 884.71/291.54 884.71/291.54 g(x, 0) -> 0 884.71/291.54 g(d, s(x)) -> s(s(g(d, x))) 884.71/291.54 g(h, s(0)) -> 0 884.71/291.54 g(h, s(s(x))) -> s(g(h, x)) 884.71/291.54 double(x) -> g(d, x) 884.71/291.54 half(x) -> g(h, x) 884.71/291.54 f(s(x), y) -> f(half(s(x)), double(y)) 884.71/291.54 f(s(0), y) -> y 884.71/291.54 id(x) -> f(x, s(0)) 884.71/291.54 884.71/291.54 S is empty. 884.71/291.54 Rewrite Strategy: FULL 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (3) DecreasingLoopProof (LOWER BOUND(ID)) 884.71/291.54 The following loop(s) give(s) rise to the lower bound Omega(n^1): 884.71/291.54 884.71/291.54 The rewrite sequence 884.71/291.54 884.71/291.54 g(h, s(s(x))) ->^+ s(g(h, x)) 884.71/291.54 884.71/291.54 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 884.71/291.54 884.71/291.54 The pumping substitution is [x / s(s(x))]. 884.71/291.54 884.71/291.54 The result substitution is [ ]. 884.71/291.54 884.71/291.54 884.71/291.54 884.71/291.54 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (4) 884.71/291.54 Complex Obligation (BEST) 884.71/291.54 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (5) 884.71/291.54 Obligation: 884.71/291.54 Proved the lower bound n^1 for the following obligation: 884.71/291.54 884.71/291.54 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 884.71/291.54 884.71/291.54 884.71/291.54 The TRS R consists of the following rules: 884.71/291.54 884.71/291.54 g(x, 0) -> 0 884.71/291.54 g(d, s(x)) -> s(s(g(d, x))) 884.71/291.54 g(h, s(0)) -> 0 884.71/291.54 g(h, s(s(x))) -> s(g(h, x)) 884.71/291.54 double(x) -> g(d, x) 884.71/291.54 half(x) -> g(h, x) 884.71/291.54 f(s(x), y) -> f(half(s(x)), double(y)) 884.71/291.54 f(s(0), y) -> y 884.71/291.54 id(x) -> f(x, s(0)) 884.71/291.54 884.71/291.54 S is empty. 884.71/291.54 Rewrite Strategy: FULL 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (6) LowerBoundPropagationProof (FINISHED) 884.71/291.54 Propagated lower bound. 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (7) 884.71/291.54 BOUNDS(n^1, INF) 884.71/291.54 884.71/291.54 ---------------------------------------- 884.71/291.54 884.71/291.54 (8) 884.71/291.54 Obligation: 884.71/291.54 Analyzing the following TRS for decreasing loops: 884.71/291.54 884.71/291.54 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). 884.71/291.54 884.71/291.54 884.71/291.54 The TRS R consists of the following rules: 884.71/291.54 884.71/291.54 g(x, 0) -> 0 884.71/291.54 g(d, s(x)) -> s(s(g(d, x))) 884.71/291.54 g(h, s(0)) -> 0 884.71/291.54 g(h, s(s(x))) -> s(g(h, x)) 884.71/291.54 double(x) -> g(d, x) 884.71/291.54 half(x) -> g(h, x) 884.71/291.54 f(s(x), y) -> f(half(s(x)), double(y)) 884.71/291.54 f(s(0), y) -> y 884.71/291.54 id(x) -> f(x, s(0)) 884.71/291.54 884.71/291.54 S is empty. 884.71/291.54 Rewrite Strategy: FULL 884.83/291.59 EOF