3.61/1.72 WORST_CASE(NON_POLY, ?) 3.61/1.72 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.61/1.72 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.61/1.72 3.61/1.72 3.61/1.72 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.61/1.72 3.61/1.72 (0) CpxTRS 3.61/1.72 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.61/1.72 (2) TRS for Loop Detection 3.61/1.72 (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.61/1.72 (4) BEST 3.61/1.72 (5) proven lower bound 3.61/1.72 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 3.61/1.72 (7) BOUNDS(n^1, INF) 3.61/1.72 (8) TRS for Loop Detection 3.61/1.72 (9) DecreasingLoopProof [FINISHED, 18 ms] 3.61/1.72 (10) BOUNDS(EXP, INF) 3.61/1.72 3.61/1.72 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (0) 3.61/1.72 Obligation: 3.61/1.72 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.61/1.72 3.61/1.72 3.61/1.72 The TRS R consists of the following rules: 3.61/1.72 3.61/1.72 a__fst(0, Z) -> nil 3.61/1.72 a__fst(s(X), cons(Y, Z)) -> cons(mark(Y), fst(X, Z)) 3.61/1.72 a__from(X) -> cons(mark(X), from(s(X))) 3.61/1.72 a__add(0, X) -> mark(X) 3.61/1.72 a__add(s(X), Y) -> s(add(X, Y)) 3.61/1.72 a__len(nil) -> 0 3.61/1.72 a__len(cons(X, Z)) -> s(len(Z)) 3.61/1.72 mark(fst(X1, X2)) -> a__fst(mark(X1), mark(X2)) 3.61/1.72 mark(from(X)) -> a__from(mark(X)) 3.61/1.72 mark(add(X1, X2)) -> a__add(mark(X1), mark(X2)) 3.61/1.72 mark(len(X)) -> a__len(mark(X)) 3.61/1.72 mark(0) -> 0 3.61/1.72 mark(s(X)) -> s(X) 3.61/1.72 mark(nil) -> nil 3.61/1.72 mark(cons(X1, X2)) -> cons(mark(X1), X2) 3.61/1.72 a__fst(X1, X2) -> fst(X1, X2) 3.61/1.72 a__from(X) -> from(X) 3.61/1.72 a__add(X1, X2) -> add(X1, X2) 3.61/1.72 a__len(X) -> len(X) 3.61/1.72 3.61/1.72 S is empty. 3.61/1.72 Rewrite Strategy: FULL 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.61/1.72 Transformed a relative TRS into a decreasing-loop problem. 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (2) 3.61/1.72 Obligation: 3.61/1.72 Analyzing the following TRS for decreasing loops: 3.61/1.72 3.61/1.72 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.61/1.72 3.61/1.72 3.61/1.72 The TRS R consists of the following rules: 3.61/1.72 3.61/1.72 a__fst(0, Z) -> nil 3.61/1.72 a__fst(s(X), cons(Y, Z)) -> cons(mark(Y), fst(X, Z)) 3.61/1.72 a__from(X) -> cons(mark(X), from(s(X))) 3.61/1.72 a__add(0, X) -> mark(X) 3.61/1.72 a__add(s(X), Y) -> s(add(X, Y)) 3.61/1.72 a__len(nil) -> 0 3.61/1.72 a__len(cons(X, Z)) -> s(len(Z)) 3.61/1.72 mark(fst(X1, X2)) -> a__fst(mark(X1), mark(X2)) 3.61/1.72 mark(from(X)) -> a__from(mark(X)) 3.61/1.72 mark(add(X1, X2)) -> a__add(mark(X1), mark(X2)) 3.61/1.72 mark(len(X)) -> a__len(mark(X)) 3.61/1.72 mark(0) -> 0 3.61/1.72 mark(s(X)) -> s(X) 3.61/1.72 mark(nil) -> nil 3.61/1.72 mark(cons(X1, X2)) -> cons(mark(X1), X2) 3.61/1.72 a__fst(X1, X2) -> fst(X1, X2) 3.61/1.72 a__from(X) -> from(X) 3.61/1.72 a__add(X1, X2) -> add(X1, X2) 3.61/1.72 a__len(X) -> len(X) 3.61/1.72 3.61/1.72 S is empty. 3.61/1.72 Rewrite Strategy: FULL 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (3) DecreasingLoopProof (LOWER BOUND(ID)) 3.61/1.72 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.61/1.72 3.61/1.72 The rewrite sequence 3.61/1.72 3.61/1.72 mark(len(X)) ->^+ a__len(mark(X)) 3.61/1.72 3.61/1.72 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 3.61/1.72 3.61/1.72 The pumping substitution is [X / len(X)]. 3.61/1.72 3.61/1.72 The result substitution is [ ]. 3.61/1.72 3.61/1.72 3.61/1.72 3.61/1.72 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (4) 3.61/1.72 Complex Obligation (BEST) 3.61/1.72 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (5) 3.61/1.72 Obligation: 3.61/1.72 Proved the lower bound n^1 for the following obligation: 3.61/1.72 3.61/1.72 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.61/1.72 3.61/1.72 3.61/1.72 The TRS R consists of the following rules: 3.61/1.72 3.61/1.72 a__fst(0, Z) -> nil 3.61/1.72 a__fst(s(X), cons(Y, Z)) -> cons(mark(Y), fst(X, Z)) 3.61/1.72 a__from(X) -> cons(mark(X), from(s(X))) 3.61/1.72 a__add(0, X) -> mark(X) 3.61/1.72 a__add(s(X), Y) -> s(add(X, Y)) 3.61/1.72 a__len(nil) -> 0 3.61/1.72 a__len(cons(X, Z)) -> s(len(Z)) 3.61/1.72 mark(fst(X1, X2)) -> a__fst(mark(X1), mark(X2)) 3.61/1.72 mark(from(X)) -> a__from(mark(X)) 3.61/1.72 mark(add(X1, X2)) -> a__add(mark(X1), mark(X2)) 3.61/1.72 mark(len(X)) -> a__len(mark(X)) 3.61/1.72 mark(0) -> 0 3.61/1.72 mark(s(X)) -> s(X) 3.61/1.72 mark(nil) -> nil 3.61/1.72 mark(cons(X1, X2)) -> cons(mark(X1), X2) 3.61/1.72 a__fst(X1, X2) -> fst(X1, X2) 3.61/1.72 a__from(X) -> from(X) 3.61/1.72 a__add(X1, X2) -> add(X1, X2) 3.61/1.72 a__len(X) -> len(X) 3.61/1.72 3.61/1.72 S is empty. 3.61/1.72 Rewrite Strategy: FULL 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (6) LowerBoundPropagationProof (FINISHED) 3.61/1.72 Propagated lower bound. 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (7) 3.61/1.72 BOUNDS(n^1, INF) 3.61/1.72 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (8) 3.61/1.72 Obligation: 3.61/1.72 Analyzing the following TRS for decreasing loops: 3.61/1.72 3.61/1.72 The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(EXP, INF). 3.61/1.72 3.61/1.72 3.61/1.72 The TRS R consists of the following rules: 3.61/1.72 3.61/1.72 a__fst(0, Z) -> nil 3.61/1.72 a__fst(s(X), cons(Y, Z)) -> cons(mark(Y), fst(X, Z)) 3.61/1.72 a__from(X) -> cons(mark(X), from(s(X))) 3.61/1.72 a__add(0, X) -> mark(X) 3.61/1.72 a__add(s(X), Y) -> s(add(X, Y)) 3.61/1.72 a__len(nil) -> 0 3.61/1.72 a__len(cons(X, Z)) -> s(len(Z)) 3.61/1.72 mark(fst(X1, X2)) -> a__fst(mark(X1), mark(X2)) 3.61/1.72 mark(from(X)) -> a__from(mark(X)) 3.61/1.72 mark(add(X1, X2)) -> a__add(mark(X1), mark(X2)) 3.61/1.72 mark(len(X)) -> a__len(mark(X)) 3.61/1.72 mark(0) -> 0 3.61/1.72 mark(s(X)) -> s(X) 3.61/1.72 mark(nil) -> nil 3.61/1.72 mark(cons(X1, X2)) -> cons(mark(X1), X2) 3.61/1.72 a__fst(X1, X2) -> fst(X1, X2) 3.61/1.72 a__from(X) -> from(X) 3.61/1.72 a__add(X1, X2) -> add(X1, X2) 3.61/1.72 a__len(X) -> len(X) 3.61/1.72 3.61/1.72 S is empty. 3.61/1.72 Rewrite Strategy: FULL 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (9) DecreasingLoopProof (FINISHED) 3.61/1.72 The following loop(s) give(s) rise to the lower bound EXP: 3.61/1.72 3.61/1.72 The rewrite sequence 3.61/1.72 3.61/1.72 mark(from(X)) ->^+ cons(mark(mark(X)), from(s(mark(X)))) 3.61/1.72 3.61/1.72 gives rise to a decreasing loop by considering the right hand sides subterm at position [0,0]. 3.61/1.72 3.61/1.72 The pumping substitution is [X / from(X)]. 3.61/1.72 3.61/1.72 The result substitution is [ ]. 3.61/1.72 3.61/1.72 3.61/1.72 3.61/1.72 The rewrite sequence 3.61/1.72 3.61/1.72 mark(from(X)) ->^+ cons(mark(mark(X)), from(s(mark(X)))) 3.61/1.72 3.61/1.72 gives rise to a decreasing loop by considering the right hand sides subterm at position [1,0,0]. 3.61/1.72 3.61/1.72 The pumping substitution is [X / from(X)]. 3.61/1.72 3.61/1.72 The result substitution is [ ]. 3.61/1.72 3.61/1.72 3.61/1.72 3.61/1.72 3.61/1.72 ---------------------------------------- 3.61/1.72 3.61/1.72 (10) 3.61/1.72 BOUNDS(EXP, INF) 3.61/1.76 EOF