3.40/1.62 WORST_CASE(NON_POLY, ?) 3.40/1.62 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.40/1.62 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.40/1.62 3.40/1.62 3.40/1.62 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.40/1.62 3.40/1.62 (0) CpxTRS 3.40/1.62 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.40/1.62 (2) TRS for Loop Detection 3.40/1.62 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.40/1.62 (4) BEST 3.40/1.62 (5) proven lower bound 3.40/1.62 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 3.40/1.62 (7) BOUNDS(n^1, INF) 3.40/1.62 (8) TRS for Loop Detection 3.40/1.62 (9) DecreasingLoopProof [FINISHED, 0 ms] 3.40/1.62 (10) BOUNDS(EXP, INF) 3.40/1.62 3.40/1.62 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (0) 3.40/1.62 Obligation: 3.40/1.62 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.40/1.62 3.40/1.62 3.40/1.62 The TRS R consists of the following rules: 3.40/1.62 3.40/1.62 plus(0, x) -> x 3.40/1.62 plus(s(x), y) -> s(plus(p(s(x)), y)) 3.40/1.62 times(0, y) -> 0 3.40/1.62 times(s(x), y) -> plus(y, times(p(s(x)), y)) 3.40/1.62 exp(x, 0) -> s(0) 3.40/1.62 exp(x, s(y)) -> times(x, exp(x, y)) 3.40/1.62 p(s(0)) -> 0 3.40/1.62 p(s(s(x))) -> s(p(s(x))) 3.40/1.62 tower(x, y) -> towerIter(x, y, s(0)) 3.40/1.62 towerIter(0, y, z) -> z 3.40/1.62 towerIter(s(x), y, z) -> towerIter(p(s(x)), y, exp(y, z)) 3.40/1.62 3.40/1.62 S is empty. 3.40/1.62 Rewrite Strategy: FULL 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.40/1.62 Transformed a relative TRS into a decreasing-loop problem. 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (2) 3.40/1.62 Obligation: 3.40/1.62 Analyzing the following TRS for decreasing loops: 3.40/1.62 3.40/1.62 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.40/1.62 3.40/1.62 3.40/1.62 The TRS R consists of the following rules: 3.40/1.62 3.40/1.62 plus(0, x) -> x 3.40/1.62 plus(s(x), y) -> s(plus(p(s(x)), y)) 3.40/1.62 times(0, y) -> 0 3.40/1.62 times(s(x), y) -> plus(y, times(p(s(x)), y)) 3.40/1.62 exp(x, 0) -> s(0) 3.40/1.62 exp(x, s(y)) -> times(x, exp(x, y)) 3.40/1.62 p(s(0)) -> 0 3.40/1.62 p(s(s(x))) -> s(p(s(x))) 3.40/1.62 tower(x, y) -> towerIter(x, y, s(0)) 3.40/1.62 towerIter(0, y, z) -> z 3.40/1.62 towerIter(s(x), y, z) -> towerIter(p(s(x)), y, exp(y, z)) 3.40/1.62 3.40/1.62 S is empty. 3.40/1.62 Rewrite Strategy: FULL 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (3) DecreasingLoopProof (LOWER BOUND(ID)) 3.40/1.62 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.40/1.62 3.40/1.62 The rewrite sequence 3.40/1.62 3.40/1.62 p(s(s(x))) ->^+ s(p(s(x))) 3.40/1.62 3.40/1.62 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 3.40/1.62 3.40/1.62 The pumping substitution is [x / s(x)]. 3.40/1.62 3.40/1.62 The result substitution is [ ]. 3.40/1.62 3.40/1.62 3.40/1.62 3.40/1.62 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (4) 3.40/1.62 Complex Obligation (BEST) 3.40/1.62 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (5) 3.40/1.62 Obligation: 3.40/1.62 Proved the lower bound n^1 for the following obligation: 3.40/1.62 3.40/1.62 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.40/1.62 3.40/1.62 3.40/1.62 The TRS R consists of the following rules: 3.40/1.62 3.40/1.62 plus(0, x) -> x 3.40/1.62 plus(s(x), y) -> s(plus(p(s(x)), y)) 3.40/1.62 times(0, y) -> 0 3.40/1.62 times(s(x), y) -> plus(y, times(p(s(x)), y)) 3.40/1.62 exp(x, 0) -> s(0) 3.40/1.62 exp(x, s(y)) -> times(x, exp(x, y)) 3.40/1.62 p(s(0)) -> 0 3.40/1.62 p(s(s(x))) -> s(p(s(x))) 3.40/1.62 tower(x, y) -> towerIter(x, y, s(0)) 3.40/1.62 towerIter(0, y, z) -> z 3.40/1.62 towerIter(s(x), y, z) -> towerIter(p(s(x)), y, exp(y, z)) 3.40/1.62 3.40/1.62 S is empty. 3.40/1.62 Rewrite Strategy: FULL 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (6) LowerBoundPropagationProof (FINISHED) 3.40/1.62 Propagated lower bound. 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (7) 3.40/1.62 BOUNDS(n^1, INF) 3.40/1.62 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (8) 3.40/1.62 Obligation: 3.40/1.62 Analyzing the following TRS for decreasing loops: 3.40/1.62 3.40/1.62 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.40/1.62 3.40/1.62 3.40/1.62 The TRS R consists of the following rules: 3.40/1.62 3.40/1.62 plus(0, x) -> x 3.40/1.62 plus(s(x), y) -> s(plus(p(s(x)), y)) 3.40/1.62 times(0, y) -> 0 3.40/1.62 times(s(x), y) -> plus(y, times(p(s(x)), y)) 3.40/1.62 exp(x, 0) -> s(0) 3.40/1.62 exp(x, s(y)) -> times(x, exp(x, y)) 3.40/1.62 p(s(0)) -> 0 3.40/1.62 p(s(s(x))) -> s(p(s(x))) 3.40/1.62 tower(x, y) -> towerIter(x, y, s(0)) 3.40/1.62 towerIter(0, y, z) -> z 3.40/1.62 towerIter(s(x), y, z) -> towerIter(p(s(x)), y, exp(y, z)) 3.40/1.62 3.40/1.62 S is empty. 3.40/1.62 Rewrite Strategy: FULL 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (9) DecreasingLoopProof (FINISHED) 3.40/1.62 The following loop(s) give(s) rise to the lower bound EXP: 3.40/1.62 3.40/1.62 The rewrite sequence 3.40/1.62 3.40/1.62 exp(s(x1_0), s(y)) ->^+ plus(exp(s(x1_0), y), times(p(s(x1_0)), exp(s(x1_0), y))) 3.40/1.62 3.40/1.62 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 3.40/1.62 3.40/1.62 The pumping substitution is [y / s(y)]. 3.40/1.62 3.40/1.62 The result substitution is [ ]. 3.40/1.62 3.40/1.62 3.40/1.62 3.40/1.62 The rewrite sequence 3.40/1.62 3.40/1.62 exp(s(x1_0), s(y)) ->^+ plus(exp(s(x1_0), y), times(p(s(x1_0)), exp(s(x1_0), y))) 3.40/1.62 3.40/1.62 gives rise to a decreasing loop by considering the right hand sides subterm at position [1,1]. 3.40/1.62 3.40/1.62 The pumping substitution is [y / s(y)]. 3.40/1.62 3.40/1.62 The result substitution is [ ]. 3.40/1.62 3.40/1.62 3.40/1.62 3.40/1.62 3.40/1.62 ---------------------------------------- 3.40/1.62 3.40/1.62 (10) 3.40/1.62 BOUNDS(EXP, INF) 3.40/1.66 EOF