36.57/10.26 WORST_CASE(NON_POLY, ?) 36.57/10.26 proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml 36.57/10.26 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 36.57/10.26 36.57/10.26 36.57/10.26 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 36.57/10.26 36.57/10.26 (0) CpxTRS 36.57/10.26 (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 36.57/10.26 (2) TRS for Loop Detection 36.57/10.26 (3) DecreasingLoopProof [LOWER BOUND(ID), 20 ms] 36.57/10.26 (4) BEST 36.57/10.26 (5) proven lower bound 36.57/10.26 (6) LowerBoundPropagationProof [FINISHED, 0 ms] 36.57/10.26 (7) BOUNDS(n^1, INF) 36.57/10.26 (8) TRS for Loop Detection 36.57/10.26 (9) InfiniteLowerBoundProof [FINISHED, 5539 ms] 36.57/10.26 (10) BOUNDS(INF, INF) 36.57/10.26 36.57/10.26 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (0) 36.57/10.26 Obligation: 36.57/10.26 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 36.57/10.26 36.57/10.26 36.57/10.26 The TRS R consists of the following rules: 36.57/10.26 36.57/10.26 zeros -> cons(0, n__zeros) 36.57/10.26 U11(tt, L) -> U12(tt, activate(L)) 36.57/10.26 U12(tt, L) -> s(length(activate(L))) 36.57/10.26 U21(tt, IL, M, N) -> U22(tt, activate(IL), activate(M), activate(N)) 36.57/10.26 U22(tt, IL, M, N) -> U23(tt, activate(IL), activate(M), activate(N)) 36.57/10.26 U23(tt, IL, M, N) -> cons(activate(N), n__take(activate(M), activate(IL))) 36.57/10.26 length(nil) -> 0 36.57/10.26 length(cons(N, L)) -> U11(tt, activate(L)) 36.57/10.26 take(0, IL) -> nil 36.57/10.26 take(s(M), cons(N, IL)) -> U21(tt, activate(IL), M, N) 36.57/10.26 zeros -> n__zeros 36.57/10.26 take(X1, X2) -> n__take(X1, X2) 36.57/10.26 activate(n__zeros) -> zeros 36.57/10.26 activate(n__take(X1, X2)) -> take(X1, X2) 36.57/10.26 activate(X) -> X 36.57/10.26 36.57/10.26 S is empty. 36.57/10.26 Rewrite Strategy: INNERMOST 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 36.57/10.26 Transformed a relative TRS into a decreasing-loop problem. 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (2) 36.57/10.26 Obligation: 36.57/10.26 Analyzing the following TRS for decreasing loops: 36.57/10.26 36.57/10.26 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 36.57/10.26 36.57/10.26 36.57/10.26 The TRS R consists of the following rules: 36.57/10.26 36.57/10.26 zeros -> cons(0, n__zeros) 36.57/10.26 U11(tt, L) -> U12(tt, activate(L)) 36.57/10.26 U12(tt, L) -> s(length(activate(L))) 36.57/10.26 U21(tt, IL, M, N) -> U22(tt, activate(IL), activate(M), activate(N)) 36.57/10.26 U22(tt, IL, M, N) -> U23(tt, activate(IL), activate(M), activate(N)) 36.57/10.26 U23(tt, IL, M, N) -> cons(activate(N), n__take(activate(M), activate(IL))) 36.57/10.26 length(nil) -> 0 36.57/10.26 length(cons(N, L)) -> U11(tt, activate(L)) 36.57/10.26 take(0, IL) -> nil 36.57/10.26 take(s(M), cons(N, IL)) -> U21(tt, activate(IL), M, N) 36.57/10.26 zeros -> n__zeros 36.57/10.26 take(X1, X2) -> n__take(X1, X2) 36.57/10.26 activate(n__zeros) -> zeros 36.57/10.26 activate(n__take(X1, X2)) -> take(X1, X2) 36.57/10.26 activate(X) -> X 36.57/10.26 36.57/10.26 S is empty. 36.57/10.26 Rewrite Strategy: INNERMOST 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (3) DecreasingLoopProof (LOWER BOUND(ID)) 36.57/10.26 The following loop(s) give(s) rise to the lower bound Omega(n^1): 36.57/10.26 36.57/10.26 The rewrite sequence 36.57/10.26 36.57/10.26 activate(n__take(s(M1_0), cons(N2_0, IL3_0))) ->^+ U21(tt, activate(IL3_0), M1_0, N2_0) 36.57/10.26 36.57/10.26 gives rise to a decreasing loop by considering the right hand sides subterm at position [1]. 36.57/10.26 36.57/10.26 The pumping substitution is [IL3_0 / n__take(s(M1_0), cons(N2_0, IL3_0))]. 36.57/10.26 36.57/10.26 The result substitution is [ ]. 36.57/10.26 36.57/10.26 36.57/10.26 36.57/10.26 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (4) 36.57/10.26 Complex Obligation (BEST) 36.57/10.26 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (5) 36.57/10.26 Obligation: 36.57/10.26 Proved the lower bound n^1 for the following obligation: 36.57/10.26 36.57/10.26 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 36.57/10.26 36.57/10.26 36.57/10.26 The TRS R consists of the following rules: 36.57/10.26 36.57/10.26 zeros -> cons(0, n__zeros) 36.57/10.26 U11(tt, L) -> U12(tt, activate(L)) 36.57/10.26 U12(tt, L) -> s(length(activate(L))) 36.57/10.26 U21(tt, IL, M, N) -> U22(tt, activate(IL), activate(M), activate(N)) 36.57/10.26 U22(tt, IL, M, N) -> U23(tt, activate(IL), activate(M), activate(N)) 36.57/10.26 U23(tt, IL, M, N) -> cons(activate(N), n__take(activate(M), activate(IL))) 36.57/10.26 length(nil) -> 0 36.57/10.26 length(cons(N, L)) -> U11(tt, activate(L)) 36.57/10.26 take(0, IL) -> nil 36.57/10.26 take(s(M), cons(N, IL)) -> U21(tt, activate(IL), M, N) 36.57/10.26 zeros -> n__zeros 36.57/10.26 take(X1, X2) -> n__take(X1, X2) 36.57/10.26 activate(n__zeros) -> zeros 36.57/10.26 activate(n__take(X1, X2)) -> take(X1, X2) 36.57/10.26 activate(X) -> X 36.57/10.26 36.57/10.26 S is empty. 36.57/10.26 Rewrite Strategy: INNERMOST 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (6) LowerBoundPropagationProof (FINISHED) 36.57/10.26 Propagated lower bound. 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (7) 36.57/10.26 BOUNDS(n^1, INF) 36.57/10.26 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (8) 36.57/10.26 Obligation: 36.57/10.26 Analyzing the following TRS for decreasing loops: 36.57/10.26 36.57/10.26 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(INF, INF). 36.57/10.26 36.57/10.26 36.57/10.26 The TRS R consists of the following rules: 36.57/10.26 36.57/10.26 zeros -> cons(0, n__zeros) 36.57/10.26 U11(tt, L) -> U12(tt, activate(L)) 36.57/10.26 U12(tt, L) -> s(length(activate(L))) 36.57/10.26 U21(tt, IL, M, N) -> U22(tt, activate(IL), activate(M), activate(N)) 36.57/10.26 U22(tt, IL, M, N) -> U23(tt, activate(IL), activate(M), activate(N)) 36.57/10.26 U23(tt, IL, M, N) -> cons(activate(N), n__take(activate(M), activate(IL))) 36.57/10.26 length(nil) -> 0 36.57/10.26 length(cons(N, L)) -> U11(tt, activate(L)) 36.57/10.26 take(0, IL) -> nil 36.57/10.26 take(s(M), cons(N, IL)) -> U21(tt, activate(IL), M, N) 36.57/10.26 zeros -> n__zeros 36.57/10.26 take(X1, X2) -> n__take(X1, X2) 36.57/10.26 activate(n__zeros) -> zeros 36.57/10.26 activate(n__take(X1, X2)) -> take(X1, X2) 36.57/10.26 activate(X) -> X 36.57/10.26 36.57/10.26 S is empty. 36.57/10.26 Rewrite Strategy: INNERMOST 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (9) InfiniteLowerBoundProof (FINISHED) 36.57/10.26 The following loop proves infinite runtime complexity: 36.57/10.26 36.57/10.26 The rewrite sequence 36.57/10.26 36.57/10.26 length(cons(N, n__zeros)) ->^+ s(length(cons(0, n__zeros))) 36.57/10.26 36.57/10.26 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 36.57/10.26 36.57/10.26 The pumping substitution is [ ]. 36.57/10.26 36.57/10.26 The result substitution is [N / 0]. 36.57/10.26 36.57/10.26 36.57/10.26 36.57/10.26 36.57/10.26 ---------------------------------------- 36.57/10.26 36.57/10.26 (10) 36.57/10.26 BOUNDS(INF, INF) 36.82/10.30 EOF