/export/starexec/sandbox2/solver/bin/starexec_run_complexity /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- WORST_CASE(Omega(n^1), ?) proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). (0) CpxTRS (1) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] (2) TRS for Loop Detection (3) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] (4) BEST (5) proven lower bound (6) LowerBoundPropagationProof [FINISHED, 0 ms] (7) BOUNDS(n^1, INF) (8) TRS for Loop Detection ---------------------------------------- (0) Obligation: The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). The TRS R consists of the following rules: div(x, s(y)) -> d(x, s(y), 0) d(x, s(y), z) -> cond(ge(x, z), x, y, z) cond(true, x, y, z) -> s(d(x, s(y), plus(s(y), z))) cond(false, x, y, z) -> 0 ge(u, 0) -> true ge(0, s(v)) -> false ge(s(u), s(v)) -> ge(u, v) plus(n, 0) -> n plus(n, s(m)) -> s(plus(n, m)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (1) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) Transformed a relative TRS into a decreasing-loop problem. ---------------------------------------- (2) Obligation: Analyzing the following TRS for decreasing loops: The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). The TRS R consists of the following rules: div(x, s(y)) -> d(x, s(y), 0) d(x, s(y), z) -> cond(ge(x, z), x, y, z) cond(true, x, y, z) -> s(d(x, s(y), plus(s(y), z))) cond(false, x, y, z) -> 0 ge(u, 0) -> true ge(0, s(v)) -> false ge(s(u), s(v)) -> ge(u, v) plus(n, 0) -> n plus(n, s(m)) -> s(plus(n, m)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (3) DecreasingLoopProof (LOWER BOUND(ID)) The following loop(s) give(s) rise to the lower bound Omega(n^1): The rewrite sequence plus(n, s(m)) ->^+ s(plus(n, m)) gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. The pumping substitution is [m / s(m)]. The result substitution is [ ]. ---------------------------------------- (4) Complex Obligation (BEST) ---------------------------------------- (5) Obligation: Proved the lower bound n^1 for the following obligation: The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). The TRS R consists of the following rules: div(x, s(y)) -> d(x, s(y), 0) d(x, s(y), z) -> cond(ge(x, z), x, y, z) cond(true, x, y, z) -> s(d(x, s(y), plus(s(y), z))) cond(false, x, y, z) -> 0 ge(u, 0) -> true ge(0, s(v)) -> false ge(s(u), s(v)) -> ge(u, v) plus(n, 0) -> n plus(n, s(m)) -> s(plus(n, m)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (6) LowerBoundPropagationProof (FINISHED) Propagated lower bound. ---------------------------------------- (7) BOUNDS(n^1, INF) ---------------------------------------- (8) Obligation: Analyzing the following TRS for decreasing loops: The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, INF). The TRS R consists of the following rules: div(x, s(y)) -> d(x, s(y), 0) d(x, s(y), z) -> cond(ge(x, z), x, y, z) cond(true, x, y, z) -> s(d(x, s(y), plus(s(y), z))) cond(false, x, y, z) -> 0 ge(u, 0) -> true ge(0, s(v)) -> false ge(s(u), s(v)) -> ge(u, v) plus(n, 0) -> n plus(n, s(m)) -> s(plus(n, m)) S is empty. Rewrite Strategy: FULL