/export/starexec/sandbox/solver/bin/starexec_run_complexity /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- WORST_CASE(Omega(n^1), O(n^1)) proof of /export/starexec/sandbox/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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). (0) CpxTRS (1) NestedDefinedSymbolProof [UPPER BOUND(ID), 0 ms] (2) CpxTRS (3) RelTrsToTrsProof [UPPER BOUND(ID), 0 ms] (4) CpxTRS (5) CpxTrsMatchBoundsTAProof [FINISHED, 131 ms] (6) BOUNDS(1, n^1) (7) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] (8) TRS for Loop Detection (9) DecreasingLoopProof [LOWER BOUND(ID), 0 ms] (10) BEST (11) proven lower bound (12) LowerBoundPropagationProof [FINISHED, 0 ms] (13) BOUNDS(n^1, INF) (14) TRS for Loop Detection ---------------------------------------- (0) Obligation: The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). The TRS R consists of the following rules: active(f(b, c, x)) -> mark(f(x, x, x)) active(f(x, y, z)) -> f(x, y, active(z)) active(d) -> m(b) f(x, y, mark(z)) -> mark(f(x, y, z)) active(d) -> mark(c) proper(b) -> ok(b) proper(c) -> ok(c) proper(d) -> ok(d) proper(f(x, y, z)) -> f(proper(x), proper(y), proper(z)) f(ok(x), ok(y), ok(z)) -> ok(f(x, y, z)) top(mark(x)) -> top(proper(x)) top(ok(x)) -> top(active(x)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (1) NestedDefinedSymbolProof (UPPER BOUND(ID)) The following defined symbols can occur below the 0th argument of top: active, proper The following defined symbols can occur below the 0th argument of active: active, proper The following defined symbols can occur below the 0th argument of proper: active, proper Hence, the left-hand sides of the following rules are not basic-reachable and can be removed: active(f(b, c, x)) -> mark(f(x, x, x)) active(f(x, y, z)) -> f(x, y, active(z)) proper(f(x, y, z)) -> f(proper(x), proper(y), proper(z)) ---------------------------------------- (2) Obligation: The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(1, n^1). The TRS R consists of the following rules: active(d) -> m(b) f(x, y, mark(z)) -> mark(f(x, y, z)) active(d) -> mark(c) proper(b) -> ok(b) proper(c) -> ok(c) proper(d) -> ok(d) f(ok(x), ok(y), ok(z)) -> ok(f(x, y, z)) top(mark(x)) -> top(proper(x)) top(ok(x)) -> top(active(x)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (3) RelTrsToTrsProof (UPPER BOUND(ID)) transformed relative TRS to TRS ---------------------------------------- (4) Obligation: The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(1, n^1). The TRS R consists of the following rules: active(d) -> m(b) f(x, y, mark(z)) -> mark(f(x, y, z)) active(d) -> mark(c) proper(b) -> ok(b) proper(c) -> ok(c) proper(d) -> ok(d) f(ok(x), ok(y), ok(z)) -> ok(f(x, y, z)) top(mark(x)) -> top(proper(x)) top(ok(x)) -> top(active(x)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (5) CpxTrsMatchBoundsTAProof (FINISHED) 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 4. The compatible tree automaton used to show the Match-Boundedness (for constructor-based start-terms) is represented by: final states : [1, 2, 3, 4] transitions: d0() -> 0 m0(0) -> 0 b0() -> 0 mark0(0) -> 0 c0() -> 0 ok0(0) -> 0 active0(0) -> 1 f0(0, 0, 0) -> 2 proper0(0) -> 3 top0(0) -> 4 b1() -> 5 m1(5) -> 1 f1(0, 0, 0) -> 6 mark1(6) -> 2 c1() -> 7 mark1(7) -> 1 b1() -> 8 ok1(8) -> 3 c1() -> 9 ok1(9) -> 3 d1() -> 10 ok1(10) -> 3 f1(0, 0, 0) -> 11 ok1(11) -> 2 proper1(0) -> 12 top1(12) -> 4 active1(0) -> 13 top1(13) -> 4 m1(5) -> 13 mark1(6) -> 6 mark1(6) -> 11 mark1(7) -> 13 ok1(8) -> 12 ok1(9) -> 12 ok1(10) -> 12 ok1(11) -> 6 ok1(11) -> 11 proper2(7) -> 14 top2(14) -> 4 active2(8) -> 15 top2(15) -> 4 active2(9) -> 15 active2(10) -> 15 b2() -> 16 m2(16) -> 15 c2() -> 17 mark2(17) -> 15 c2() -> 18 ok2(18) -> 14 proper3(17) -> 19 top3(19) -> 4 active3(18) -> 20 top3(20) -> 4 c3() -> 21 ok3(21) -> 19 active4(21) -> 22 top4(22) -> 4 ---------------------------------------- (6) BOUNDS(1, n^1) ---------------------------------------- (7) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) Transformed a relative TRS into a decreasing-loop problem. ---------------------------------------- (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, n^1). The TRS R consists of the following rules: active(f(b, c, x)) -> mark(f(x, x, x)) active(f(x, y, z)) -> f(x, y, active(z)) active(d) -> m(b) f(x, y, mark(z)) -> mark(f(x, y, z)) active(d) -> mark(c) proper(b) -> ok(b) proper(c) -> ok(c) proper(d) -> ok(d) proper(f(x, y, z)) -> f(proper(x), proper(y), proper(z)) f(ok(x), ok(y), ok(z)) -> ok(f(x, y, z)) top(mark(x)) -> top(proper(x)) top(ok(x)) -> top(active(x)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (9) DecreasingLoopProof (LOWER BOUND(ID)) The following loop(s) give(s) rise to the lower bound Omega(n^1): The rewrite sequence f(ok(x), ok(y), ok(z)) ->^+ ok(f(x, y, z)) gives rise to a decreasing loop by considering the right hand sides subterm at position [0]. The pumping substitution is [x / ok(x), y / ok(y), z / ok(z)]. The result substitution is [ ]. ---------------------------------------- (10) Complex Obligation (BEST) ---------------------------------------- (11) 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, n^1). The TRS R consists of the following rules: active(f(b, c, x)) -> mark(f(x, x, x)) active(f(x, y, z)) -> f(x, y, active(z)) active(d) -> m(b) f(x, y, mark(z)) -> mark(f(x, y, z)) active(d) -> mark(c) proper(b) -> ok(b) proper(c) -> ok(c) proper(d) -> ok(d) proper(f(x, y, z)) -> f(proper(x), proper(y), proper(z)) f(ok(x), ok(y), ok(z)) -> ok(f(x, y, z)) top(mark(x)) -> top(proper(x)) top(ok(x)) -> top(active(x)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (12) LowerBoundPropagationProof (FINISHED) Propagated lower bound. ---------------------------------------- (13) BOUNDS(n^1, INF) ---------------------------------------- (14) Obligation: Analyzing the following TRS for decreasing loops: The Runtime Complexity (full) of the given CpxTRS could be proven to be BOUNDS(n^1, n^1). The TRS R consists of the following rules: active(f(b, c, x)) -> mark(f(x, x, x)) active(f(x, y, z)) -> f(x, y, active(z)) active(d) -> m(b) f(x, y, mark(z)) -> mark(f(x, y, z)) active(d) -> mark(c) proper(b) -> ok(b) proper(c) -> ok(c) proper(d) -> ok(d) proper(f(x, y, z)) -> f(proper(x), proper(y), proper(z)) f(ok(x), ok(y), ok(z)) -> ok(f(x, y, z)) top(mark(x)) -> top(proper(x)) top(ok(x)) -> top(active(x)) S is empty. Rewrite Strategy: FULL