3.45/1.64 WORST_CASE(NON_POLY, ?) 3.45/1.66 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.45/1.66 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.45/1.66 3.45/1.66 3.45/1.66 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.45/1.66 3.45/1.66 (0) CpxTRS 3.45/1.66 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.45/1.66 (2) TRS for Loop Detection 3.45/1.66 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.45/1.66 (4) BEST 3.45/1.66 (5) proven lower bound 3.45/1.66 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 3.45/1.66 (7) BOUNDS(n^1, INF) 3.45/1.66 (8) TRS for Loop Detection 3.45/1.66 (9) InfiniteLowerBoundProof [FINISHED, 16 ms] 3.45/1.66 (10) BOUNDS(INF, INF) 3.45/1.66 3.45/1.66 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (0) 3.45/1.66 Obligation: 3.45/1.66 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.45/1.66 3.45/1.66 3.45/1.66 The TRS R consists of the following rules: 3.45/1.66 3.45/1.66 f(g(X), Y) -> f(X, n__f(g(X), activate(Y))) 3.45/1.66 f(X1, X2) -> n__f(X1, X2) 3.45/1.66 activate(n__f(X1, X2)) -> f(X1, X2) 3.45/1.66 activate(X) -> X 3.45/1.66 3.45/1.66 S is empty. 3.45/1.66 Rewrite Strategy: INNERMOST 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.45/1.66 Transformed a relative TRS into a decreasing-loop problem. 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (2) 3.45/1.66 Obligation: 3.45/1.66 Analyzing the following TRS for decreasing loops: 3.45/1.66 3.45/1.66 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.45/1.66 3.45/1.66 3.45/1.66 The TRS R consists of the following rules: 3.45/1.66 3.45/1.66 f(g(X), Y) -> f(X, n__f(g(X), activate(Y))) 3.45/1.66 f(X1, X2) -> n__f(X1, X2) 3.45/1.66 activate(n__f(X1, X2)) -> f(X1, X2) 3.45/1.66 activate(X) -> X 3.45/1.66 3.45/1.66 S is empty. 3.45/1.66 Rewrite Strategy: INNERMOST 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (3) DecreasingLoopProof (LOWER BOUND(ID)) 3.45/1.66 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.45/1.66 3.45/1.66 The rewrite sequence 3.45/1.66 3.45/1.66 f(g(X), Y) ->^+ f(X, n__f(g(X), activate(Y))) 3.45/1.66 3.45/1.66 gives rise to a decreasing loop by considering the right hand sides subterm at position []. 3.45/1.66 3.45/1.66 The pumping substitution is [X / g(X)]. 3.45/1.66 3.45/1.66 The result substitution is [Y / n__f(g(X), activate(Y))]. 3.45/1.66 3.45/1.66 3.45/1.66 3.45/1.66 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (4) 3.45/1.66 Complex Obligation (BEST) 3.45/1.66 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (5) 3.45/1.66 Obligation: 3.45/1.66 Proved the lower bound n^1 for the following obligation: 3.45/1.66 3.45/1.66 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.45/1.66 3.45/1.66 3.45/1.66 The TRS R consists of the following rules: 3.45/1.66 3.45/1.66 f(g(X), Y) -> f(X, n__f(g(X), activate(Y))) 3.45/1.66 f(X1, X2) -> n__f(X1, X2) 3.45/1.66 activate(n__f(X1, X2)) -> f(X1, X2) 3.45/1.66 activate(X) -> X 3.45/1.66 3.45/1.66 S is empty. 3.45/1.66 Rewrite Strategy: INNERMOST 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (6) LowerBoundPropagationProof (FINISHED) 3.45/1.66 Propagated lower bound. 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (7) 3.45/1.66 BOUNDS(n^1, INF) 3.45/1.66 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (8) 3.45/1.66 Obligation: 3.45/1.66 Analyzing the following TRS for decreasing loops: 3.45/1.66 3.45/1.66 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.45/1.66 3.45/1.66 3.45/1.66 The TRS R consists of the following rules: 3.45/1.66 3.45/1.66 f(g(X), Y) -> f(X, n__f(g(X), activate(Y))) 3.45/1.66 f(X1, X2) -> n__f(X1, X2) 3.45/1.66 activate(n__f(X1, X2)) -> f(X1, X2) 3.45/1.66 activate(X) -> X 3.45/1.66 3.45/1.66 S is empty. 3.45/1.66 Rewrite Strategy: INNERMOST 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (9) InfiniteLowerBoundProof (FINISHED) 3.45/1.66 The following loop proves infinite runtime complexity: 3.45/1.66 3.45/1.66 The rewrite sequence 3.45/1.66 3.45/1.66 f(g(g(X1_0)), Y) ->^+ f(X1_0, n__f(g(X1_0), f(g(g(X1_0)), Y))) 3.45/1.66 3.45/1.66 gives rise to a decreasing loop by considering the right hand sides subterm at position [1,1]. 3.45/1.66 3.45/1.66 The pumping substitution is [ ]. 3.45/1.66 3.45/1.66 The result substitution is [ ]. 3.45/1.66 3.45/1.66 3.45/1.66 3.45/1.66 3.45/1.66 ---------------------------------------- 3.45/1.66 3.45/1.66 (10) 3.45/1.66 BOUNDS(INF, INF) 3.60/1.68 EOF