3.36/1.60 WORST_CASE(Omega(n^1), O(n^1)) 3.36/1.61 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.36/1.61 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.36/1.61 3.36/1.61 3.36/1.61 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.61 3.36/1.61 (0) CpxTRS 3.36/1.61 (1) RelTrsToTrsProof [UPPER BOUND(ID), 0 ms] 3.36/1.61 (2) CpxTRS 3.36/1.61 (3) CpxTrsMatchBoundsTAProof [FINISHED, 37 ms] 3.36/1.61 (4) BOUNDS(1, n^1) 3.36/1.61 (5) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] 3.36/1.61 (6) TRS for Loop Detection 3.36/1.61 (7) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] 3.36/1.61 (8) BEST 3.36/1.61 (9) proven lower bound 3.36/1.61 (10) LowerBoundPropagationProof [FINISHED, 0 ms] 3.36/1.61 (11) BOUNDS(n^1, INF) 3.36/1.61 (12) TRS for Loop Detection 3.36/1.61 3.36/1.61 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (0) 3.36/1.61 Obligation: 3.36/1.61 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.61 3.36/1.61 3.36/1.61 The TRS R consists of the following rules: 3.36/1.61 3.36/1.61 walk#1(Nil) -> walk_xs 3.36/1.61 walk#1(Cons(x4, x3)) -> comp_f_g(walk#1(x3), walk_xs_3(x4)) 3.36/1.61 comp_f_g#1(comp_f_g(x7, x9), walk_xs_3(x8), x12) -> comp_f_g#1(x7, x9, Cons(x8, x12)) 3.36/1.61 comp_f_g#1(walk_xs, walk_xs_3(x8), x12) -> Cons(x8, x12) 3.36/1.61 main(Nil) -> Nil 3.36/1.61 main(Cons(x4, x5)) -> comp_f_g#1(walk#1(x5), walk_xs_3(x4), Nil) 3.36/1.61 3.36/1.61 S is empty. 3.36/1.61 Rewrite Strategy: INNERMOST 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (1) RelTrsToTrsProof (UPPER BOUND(ID)) 3.36/1.61 transformed relative TRS to TRS 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (2) 3.36/1.61 Obligation: 3.36/1.61 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(1, n^1). 3.36/1.61 3.36/1.61 3.36/1.61 The TRS R consists of the following rules: 3.36/1.61 3.36/1.61 walk#1(Nil) -> walk_xs 3.36/1.61 walk#1(Cons(x4, x3)) -> comp_f_g(walk#1(x3), walk_xs_3(x4)) 3.36/1.61 comp_f_g#1(comp_f_g(x7, x9), walk_xs_3(x8), x12) -> comp_f_g#1(x7, x9, Cons(x8, x12)) 3.36/1.61 comp_f_g#1(walk_xs, walk_xs_3(x8), x12) -> Cons(x8, x12) 3.36/1.61 main(Nil) -> Nil 3.36/1.61 main(Cons(x4, x5)) -> comp_f_g#1(walk#1(x5), walk_xs_3(x4), Nil) 3.36/1.61 3.36/1.61 S is empty. 3.36/1.61 Rewrite Strategy: INNERMOST 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (3) CpxTrsMatchBoundsTAProof (FINISHED) 3.36/1.61 A linear upper bound on the runtime complexity of the TRS R could be shown with a Match-Bound[TAB_LEFTLINEAR,TAB_NONLEFTLINEAR] (for contructor-based start-terms) of 2. 3.36/1.61 3.36/1.61 The compatible tree automaton used to show the Match-Boundedness (for constructor-based start-terms) is represented by: 3.36/1.61 final states : [1, 2, 3] 3.36/1.61 transitions: 3.36/1.61 Nil0() -> 0 3.36/1.61 walk_xs0() -> 0 3.36/1.61 Cons0(0, 0) -> 0 3.36/1.61 comp_f_g0(0, 0) -> 0 3.36/1.61 walk_xs_30(0) -> 0 3.36/1.61 walk#10(0) -> 1 3.36/1.61 comp_f_g#10(0, 0, 0) -> 2 3.36/1.61 main0(0) -> 3 3.36/1.61 walk_xs1() -> 1 3.36/1.61 walk#11(0) -> 4 3.36/1.61 walk_xs_31(0) -> 5 3.36/1.61 comp_f_g1(4, 5) -> 1 3.36/1.61 Cons1(0, 0) -> 6 3.36/1.61 comp_f_g#11(0, 0, 6) -> 2 3.36/1.61 Cons1(0, 0) -> 2 3.36/1.61 Nil1() -> 3 3.36/1.61 walk#11(0) -> 7 3.36/1.61 walk_xs_31(0) -> 8 3.36/1.61 Nil1() -> 9 3.36/1.61 comp_f_g#11(7, 8, 9) -> 3 3.36/1.61 walk_xs1() -> 4 3.36/1.61 walk_xs1() -> 7 3.36/1.61 comp_f_g1(4, 5) -> 4 3.36/1.61 comp_f_g1(4, 5) -> 7 3.36/1.61 Cons1(0, 6) -> 6 3.36/1.61 Cons1(0, 6) -> 2 3.36/1.61 Cons2(0, 9) -> 10 3.36/1.61 comp_f_g#12(4, 5, 10) -> 3 3.36/1.61 Cons2(0, 9) -> 3 3.36/1.61 Cons2(0, 10) -> 10 3.36/1.61 Cons2(0, 10) -> 3 3.36/1.61 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (4) 3.36/1.61 BOUNDS(1, n^1) 3.36/1.61 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (5) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) 3.36/1.61 Transformed a relative TRS into a decreasing-loop problem. 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (6) 3.36/1.61 Obligation: 3.36/1.61 Analyzing the following TRS for decreasing loops: 3.36/1.61 3.36/1.61 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.61 3.36/1.61 3.36/1.61 The TRS R consists of the following rules: 3.36/1.61 3.36/1.61 walk#1(Nil) -> walk_xs 3.36/1.61 walk#1(Cons(x4, x3)) -> comp_f_g(walk#1(x3), walk_xs_3(x4)) 3.36/1.61 comp_f_g#1(comp_f_g(x7, x9), walk_xs_3(x8), x12) -> comp_f_g#1(x7, x9, Cons(x8, x12)) 3.36/1.61 comp_f_g#1(walk_xs, walk_xs_3(x8), x12) -> Cons(x8, x12) 3.36/1.61 main(Nil) -> Nil 3.36/1.61 main(Cons(x4, x5)) -> comp_f_g#1(walk#1(x5), walk_xs_3(x4), Nil) 3.36/1.61 3.36/1.61 S is empty. 3.36/1.61 Rewrite Strategy: INNERMOST 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (7) DecreasingLoopProof (LOWER BOUND(ID)) 3.36/1.61 The following loop(s) give(s) rise to the lower bound Omega(n^1): 3.36/1.61 3.36/1.61 The rewrite sequence 3.36/1.61 3.36/1.61 walk#1(Cons(x4, x3)) ->^+ comp_f_g(walk#1(x3), walk_xs_3(x4)) 3.36/1.61 3.36/1.61 gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. 3.36/1.61 3.36/1.61 The pumping substitution is [x3 / Cons(x4, x3)]. 3.36/1.61 3.36/1.61 The result substitution is [ ]. 3.36/1.61 3.36/1.61 3.36/1.61 3.36/1.61 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (8) 3.36/1.61 Complex Obligation (BEST) 3.36/1.61 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (9) 3.36/1.61 Obligation: 3.36/1.61 Proved the lower bound n^1 for the following obligation: 3.36/1.61 3.36/1.61 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.61 3.36/1.61 3.36/1.61 The TRS R consists of the following rules: 3.36/1.61 3.36/1.61 walk#1(Nil) -> walk_xs 3.36/1.61 walk#1(Cons(x4, x3)) -> comp_f_g(walk#1(x3), walk_xs_3(x4)) 3.36/1.61 comp_f_g#1(comp_f_g(x7, x9), walk_xs_3(x8), x12) -> comp_f_g#1(x7, x9, Cons(x8, x12)) 3.36/1.61 comp_f_g#1(walk_xs, walk_xs_3(x8), x12) -> Cons(x8, x12) 3.36/1.61 main(Nil) -> Nil 3.36/1.61 main(Cons(x4, x5)) -> comp_f_g#1(walk#1(x5), walk_xs_3(x4), Nil) 3.36/1.61 3.36/1.61 S is empty. 3.36/1.61 Rewrite Strategy: INNERMOST 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (10) LowerBoundPropagationProof (FINISHED) 3.36/1.61 Propagated lower bound. 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (11) 3.36/1.61 BOUNDS(n^1, INF) 3.36/1.61 3.36/1.61 ---------------------------------------- 3.36/1.61 3.36/1.61 (12) 3.36/1.61 Obligation: 3.36/1.61 Analyzing the following TRS for decreasing loops: 3.36/1.61 3.36/1.61 The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). 3.36/1.61 3.36/1.61 3.36/1.61 The TRS R consists of the following rules: 3.36/1.61 3.36/1.61 walk#1(Nil) -> walk_xs 3.36/1.61 walk#1(Cons(x4, x3)) -> comp_f_g(walk#1(x3), walk_xs_3(x4)) 3.36/1.61 comp_f_g#1(comp_f_g(x7, x9), walk_xs_3(x8), x12) -> comp_f_g#1(x7, x9, Cons(x8, x12)) 3.36/1.61 comp_f_g#1(walk_xs, walk_xs_3(x8), x12) -> Cons(x8, x12) 3.36/1.61 main(Nil) -> Nil 3.36/1.61 main(Cons(x4, x5)) -> comp_f_g#1(walk#1(x5), walk_xs_3(x4), Nil) 3.36/1.61 3.36/1.61 S is empty. 3.36/1.61 Rewrite Strategy: INNERMOST 3.36/1.65 EOF