3.98/1.87 WORST_CASE(NON_POLY, ?) 3.98/1.88 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 3.98/1.88 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.98/1.88 3.98/1.88 3.98/1.88 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.98/1.88 3.98/1.88 (0) CpxTRS 3.98/1.88 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.98/1.88 (2) TRS for Loop Detection 3.98/1.88 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.98/1.88 (4) BEST 3.98/1.88 (5) proven lower bound 3.98/1.88 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 3.98/1.88 (7) BOUNDS(n^1, INF) 3.98/1.88 (8) TRS for Loop Detection 3.98/1.88 (9) InfiniteLowerBoundProof [FINISHED, 79 ms] 3.98/1.88 (10) BOUNDS(INF, INF) 3.98/1.88 3.98/1.88 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (0) 3.98/1.88 Obligation: 3.98/1.88 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.98/1.88 3.98/1.88 3.98/1.88 The TRS R consists of the following rules: 3.98/1.88 3.98/1.88 f(x, h(y)) -> h(f(f(h(a), y), x)) 3.98/1.88 3.98/1.88 S is empty. 3.98/1.88 Rewrite Strategy: FULL 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.98/1.88 Transformed a relative TRS into a decreasing-loop problem. 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (2) 3.98/1.88 Obligation: 3.98/1.88 Analyzing the following TRS for decreasing loops: 3.98/1.88 3.98/1.88 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.98/1.88 3.98/1.88 3.98/1.88 The TRS R consists of the following rules: 3.98/1.88 3.98/1.88 f(x, h(y)) -> h(f(f(h(a), y), x)) 3.98/1.88 3.98/1.88 S is empty. 3.98/1.88 Rewrite Strategy: FULL 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (3) DecreasingLoopProof (LOWER BOUND(ID)) 3.98/1.88 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.98/1.88 3.98/1.88 The rewrite sequence 3.98/1.88 3.98/1.88 f(x, h(y)) ->^+ h(f(f(h(a), y), x)) 3.98/1.88 3.98/1.88 gives rise to a decreasing loop by considering the right hand sides subterm at position [0,0]. 3.98/1.88 3.98/1.88 The pumping substitution is [y / h(y)]. 3.98/1.88 3.98/1.88 The result substitution is [x / h(a)]. 3.98/1.88 3.98/1.88 3.98/1.88 3.98/1.88 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (4) 3.98/1.88 Complex Obligation (BEST) 3.98/1.88 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (5) 3.98/1.88 Obligation: 3.98/1.88 Proved the lower bound n^1 for the following obligation: 3.98/1.88 3.98/1.88 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.98/1.88 3.98/1.88 3.98/1.88 The TRS R consists of the following rules: 3.98/1.88 3.98/1.88 f(x, h(y)) -> h(f(f(h(a), y), x)) 3.98/1.88 3.98/1.88 S is empty. 3.98/1.88 Rewrite Strategy: FULL 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (6) LowerBoundPropagationProof (FINISHED) 3.98/1.88 Propagated lower bound. 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (7) 3.98/1.88 BOUNDS(n^1, INF) 3.98/1.88 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (8) 3.98/1.88 Obligation: 3.98/1.88 Analyzing the following TRS for decreasing loops: 3.98/1.88 3.98/1.88 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 3.98/1.88 3.98/1.88 3.98/1.88 The TRS R consists of the following rules: 3.98/1.88 3.98/1.88 f(x, h(y)) -> h(f(f(h(a), y), x)) 3.98/1.88 3.98/1.88 S is empty. 3.98/1.88 Rewrite Strategy: FULL 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (9) InfiniteLowerBoundProof (FINISHED) 3.98/1.88 The following loop proves infinite runtime complexity: 3.98/1.88 3.98/1.88 The rewrite sequence 3.98/1.88 3.98/1.88 f(h(h(y2_2)), h(h(y2_0))) ->^+ h(h(f(h(h(f(f(h(a), a), f(h(a), y2_2)))), h(h(f(f(h(a), a), f(h(a), y2_0))))))) 3.98/1.88 3.98/1.88 gives rise to a decreasing loop by considering the right hand sides subterm at position [0,0]. 3.98/1.88 3.98/1.88 The pumping substitution is [ ]. 3.98/1.88 3.98/1.88 The result substitution is [y2_2 / f(f(h(a), a), f(h(a), y2_2)), y2_0 / f(f(h(a), a), f(h(a), y2_0))]. 3.98/1.88 3.98/1.88 3.98/1.88 3.98/1.88 3.98/1.88 ---------------------------------------- 3.98/1.88 3.98/1.88 (10) 3.98/1.88 BOUNDS(INF, INF) 4.26/1.92 EOF