3.04/1.59 WORST_CASE(NON_POLY, ?) 3.04/1.60 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.04/1.60 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.04/1.60 3.04/1.60 3.04/1.60 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.04/1.60 3.04/1.60 (0) CpxTRS 3.04/1.60 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.04/1.60 (2) TRS for Loop Detection 3.04/1.60 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.04/1.60 (4) BEST 3.04/1.60 (5) proven lower bound 3.04/1.60 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 3.04/1.60 (7) BOUNDS(n^1, INF) 3.04/1.60 (8) TRS for Loop Detection 3.04/1.60 (9) DecreasingLoopProof [FINISHED, 0 ms] 3.04/1.60 (10) BOUNDS(EXP, INF) 3.04/1.60 3.04/1.60 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (0) 3.04/1.60 Obligation: 3.04/1.60 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.04/1.60 3.04/1.60 3.04/1.60 The TRS R consists of the following rules: 3.04/1.60 3.04/1.60 f(0) -> 0 3.04/1.60 f(s(0)) -> s(0) 3.04/1.60 f(s(s(x))) -> p(h(g(x))) 3.04/1.60 g(0) -> pair(s(0), s(0)) 3.04/1.60 g(s(x)) -> h(g(x)) 3.04/1.60 h(x) -> pair(+(p(x), q(x)), p(x)) 3.04/1.60 p(pair(x, y)) -> x 3.04/1.60 q(pair(x, y)) -> y 3.04/1.60 +(x, 0) -> x 3.04/1.60 +(x, s(y)) -> s(+(x, y)) 3.04/1.60 f(s(s(x))) -> +(p(g(x)), q(g(x))) 3.04/1.60 g(s(x)) -> pair(+(p(g(x)), q(g(x))), p(g(x))) 3.04/1.60 3.04/1.60 S is empty. 3.04/1.60 Rewrite Strategy: INNERMOST 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.04/1.60 Transformed a relative TRS into a decreasing-loop problem. 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (2) 3.04/1.60 Obligation: 3.04/1.60 Analyzing the following TRS for decreasing loops: 3.04/1.60 3.04/1.60 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.04/1.60 3.04/1.60 3.04/1.60 The TRS R consists of the following rules: 3.04/1.60 3.04/1.60 f(0) -> 0 3.04/1.60 f(s(0)) -> s(0) 3.04/1.60 f(s(s(x))) -> p(h(g(x))) 3.04/1.60 g(0) -> pair(s(0), s(0)) 3.04/1.60 g(s(x)) -> h(g(x)) 3.04/1.60 h(x) -> pair(+(p(x), q(x)), p(x)) 3.04/1.60 p(pair(x, y)) -> x 3.04/1.60 q(pair(x, y)) -> y 3.04/1.60 +(x, 0) -> x 3.04/1.60 +(x, s(y)) -> s(+(x, y)) 3.04/1.60 f(s(s(x))) -> +(p(g(x)), q(g(x))) 3.04/1.60 g(s(x)) -> pair(+(p(g(x)), q(g(x))), p(g(x))) 3.04/1.60 3.04/1.60 S is empty. 3.04/1.60 Rewrite Strategy: INNERMOST 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (3) DecreasingLoopProof (LOWER BOUND(ID)) 3.04/1.60 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.04/1.60 3.04/1.60 The rewrite sequence 3.04/1.60 3.04/1.60 +(x, s(y)) ->^+ s(+(x, y)) 3.04/1.60 3.04/1.60 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 3.04/1.60 3.04/1.60 The pumping substitution is [y / s(y)]. 3.04/1.60 3.04/1.60 The result substitution is [ ]. 3.04/1.60 3.04/1.60 3.04/1.60 3.04/1.60 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (4) 3.04/1.60 Complex Obligation (BEST) 3.04/1.60 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (5) 3.04/1.60 Obligation: 3.04/1.60 Proved the lower bound n^1 for the following obligation: 3.04/1.60 3.04/1.60 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.04/1.60 3.04/1.60 3.04/1.60 The TRS R consists of the following rules: 3.04/1.60 3.04/1.60 f(0) -> 0 3.04/1.60 f(s(0)) -> s(0) 3.04/1.60 f(s(s(x))) -> p(h(g(x))) 3.04/1.60 g(0) -> pair(s(0), s(0)) 3.04/1.60 g(s(x)) -> h(g(x)) 3.04/1.60 h(x) -> pair(+(p(x), q(x)), p(x)) 3.04/1.60 p(pair(x, y)) -> x 3.04/1.60 q(pair(x, y)) -> y 3.04/1.60 +(x, 0) -> x 3.04/1.60 +(x, s(y)) -> s(+(x, y)) 3.04/1.60 f(s(s(x))) -> +(p(g(x)), q(g(x))) 3.04/1.60 g(s(x)) -> pair(+(p(g(x)), q(g(x))), p(g(x))) 3.04/1.60 3.04/1.60 S is empty. 3.04/1.60 Rewrite Strategy: INNERMOST 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (6) LowerBoundPropagationProof (FINISHED) 3.04/1.60 Propagated lower bound. 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (7) 3.04/1.60 BOUNDS(n^1, INF) 3.04/1.60 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (8) 3.04/1.60 Obligation: 3.04/1.60 Analyzing the following TRS for decreasing loops: 3.04/1.60 3.04/1.60 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.04/1.60 3.04/1.60 3.04/1.60 The TRS R consists of the following rules: 3.04/1.60 3.04/1.60 f(0) -> 0 3.04/1.60 f(s(0)) -> s(0) 3.04/1.60 f(s(s(x))) -> p(h(g(x))) 3.04/1.60 g(0) -> pair(s(0), s(0)) 3.04/1.60 g(s(x)) -> h(g(x)) 3.04/1.60 h(x) -> pair(+(p(x), q(x)), p(x)) 3.04/1.60 p(pair(x, y)) -> x 3.04/1.60 q(pair(x, y)) -> y 3.04/1.60 +(x, 0) -> x 3.04/1.60 +(x, s(y)) -> s(+(x, y)) 3.04/1.60 f(s(s(x))) -> +(p(g(x)), q(g(x))) 3.04/1.60 g(s(x)) -> pair(+(p(g(x)), q(g(x))), p(g(x))) 3.04/1.60 3.04/1.60 S is empty. 3.04/1.60 Rewrite Strategy: INNERMOST 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (9) DecreasingLoopProof (FINISHED) 3.04/1.60 The following loop(s) give(s) rise to the lower bound EXP: 3.04/1.60 3.04/1.60 The rewrite sequence 3.04/1.60 3.04/1.60 g(s(x)) ->^+ pair(+(p(g(x)), q(g(x))), p(g(x))) 3.04/1.60 3.04/1.60 gives rise to a decreasing loop by considering the right hand sides subterm at position [0,0,0]. 3.04/1.60 3.04/1.60 The pumping substitution is [x / s(x)]. 3.04/1.60 3.04/1.60 The result substitution is [ ]. 3.04/1.60 3.04/1.60 3.04/1.60 3.04/1.60 The rewrite sequence 3.04/1.60 3.04/1.60 g(s(x)) ->^+ pair(+(p(g(x)), q(g(x))), p(g(x))) 3.04/1.60 3.04/1.60 gives rise to a decreasing loop by considering the right hand sides subterm at position [0,1,0]. 3.04/1.60 3.04/1.60 The pumping substitution is [x / s(x)]. 3.04/1.60 3.04/1.60 The result substitution is [ ]. 3.04/1.60 3.04/1.60 3.04/1.60 3.04/1.60 3.04/1.60 ---------------------------------------- 3.04/1.60 3.04/1.60 (10) 3.04/1.60 BOUNDS(EXP, INF) 3.20/1.63 EOF