WORST_CASE(?, O(n^1)) proof of /export/starexec/sandbox2/benchmark/theBenchmark.xml # AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty The Derivational Complexity (full) of the given DCpxTrs could be proven to be BOUNDS(1, n^1). (0) DCpxTrs (1) DerivationalComplexityToRuntimeComplexityProof [BOTH BOUNDS(ID, ID), 0 ms] (2) CpxRelTRS (3) SInnermostTerminationProof [BOTH CONCRETE BOUNDS(ID, ID), 35 ms] (4) CpxRelTRS (5) RelTrsToTrsProof [UPPER BOUND(ID), 0 ms] (6) CpxTRS (7) CpxTrsMatchBoundsProof [FINISHED, 0 ms] (8) BOUNDS(1, n^1) ---------------------------------------- (0) Obligation: The Derivational Complexity (full) of the given DCpxTrs could be proven to be BOUNDS(1, n^1). The TRS R consists of the following rules: b(c(a(x1))) -> a(b(a(b(x1)))) b(x1) -> c(c(x1)) a(a(x1)) -> a(c(b(a(x1)))) S is empty. Rewrite Strategy: FULL ---------------------------------------- (1) DerivationalComplexityToRuntimeComplexityProof (BOTH BOUNDS(ID, ID)) The following rules have been added to S to convert the given derivational complexity problem to a runtime complexity problem: encArg(c(x_1)) -> c(encArg(x_1)) encArg(cons_b(x_1)) -> b(encArg(x_1)) encArg(cons_a(x_1)) -> a(encArg(x_1)) encode_b(x_1) -> b(encArg(x_1)) encode_c(x_1) -> c(encArg(x_1)) encode_a(x_1) -> a(encArg(x_1)) ---------------------------------------- (2) Obligation: The Runtime Complexity (full) of the given CpxRelTRS could be proven to be BOUNDS(1, n^1). The TRS R consists of the following rules: b(c(a(x1))) -> a(b(a(b(x1)))) b(x1) -> c(c(x1)) a(a(x1)) -> a(c(b(a(x1)))) The (relative) TRS S consists of the following rules: encArg(c(x_1)) -> c(encArg(x_1)) encArg(cons_b(x_1)) -> b(encArg(x_1)) encArg(cons_a(x_1)) -> a(encArg(x_1)) encode_b(x_1) -> b(encArg(x_1)) encode_c(x_1) -> c(encArg(x_1)) encode_a(x_1) -> a(encArg(x_1)) Rewrite Strategy: FULL ---------------------------------------- (3) SInnermostTerminationProof (BOTH CONCRETE BOUNDS(ID, ID)) proved innermost termination of relative rules ---------------------------------------- (4) Obligation: The Runtime Complexity (full) of the given CpxRelTRS could be proven to be BOUNDS(1, n^1). The TRS R consists of the following rules: b(c(a(x1))) -> a(b(a(b(x1)))) b(x1) -> c(c(x1)) a(a(x1)) -> a(c(b(a(x1)))) The (relative) TRS S consists of the following rules: encArg(c(x_1)) -> c(encArg(x_1)) encArg(cons_b(x_1)) -> b(encArg(x_1)) encArg(cons_a(x_1)) -> a(encArg(x_1)) encode_b(x_1) -> b(encArg(x_1)) encode_c(x_1) -> c(encArg(x_1)) encode_a(x_1) -> a(encArg(x_1)) Rewrite Strategy: FULL ---------------------------------------- (5) RelTrsToTrsProof (UPPER BOUND(ID)) transformed relative TRS to TRS ---------------------------------------- (6) 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: b(c(a(x1))) -> a(b(a(b(x1)))) b(x1) -> c(c(x1)) a(a(x1)) -> a(c(b(a(x1)))) encArg(c(x_1)) -> c(encArg(x_1)) encArg(cons_b(x_1)) -> b(encArg(x_1)) encArg(cons_a(x_1)) -> a(encArg(x_1)) encode_b(x_1) -> b(encArg(x_1)) encode_c(x_1) -> c(encArg(x_1)) encode_a(x_1) -> a(encArg(x_1)) S is empty. Rewrite Strategy: FULL ---------------------------------------- (7) CpxTrsMatchBoundsProof (FINISHED) A linear upper bound on the runtime complexity of the TRS R could be shown with a Match Bound [MATCHBOUNDS1,MATCHBOUNDS2] of 4. The certificate found is represented by the following graph. "[35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52] {(35,36,[b_1|0, a_1|0, encArg_1|0, encode_b_1|0, encode_c_1|0, encode_a_1|0]), (35,37,[c_1|1]), (35,38,[c_1|1, b_1|1, a_1|1]), (35,39,[c_1|2]), (35,40,[a_1|2]), (35,43,[a_1|2]), (36,36,[c_1|0, cons_b_1|0, cons_a_1|0]), (37,36,[c_1|1]), (38,36,[encArg_1|1]), (38,38,[c_1|1, b_1|1, a_1|1]), (38,39,[c_1|2]), (38,40,[a_1|2]), (38,43,[a_1|2]), (39,38,[c_1|2]), (40,41,[b_1|2]), (40,46,[c_1|3]), (41,42,[a_1|2]), (41,49,[a_1|3]), (42,38,[b_1|2]), (42,40,[b_1|2, a_1|2]), (42,43,[b_1|2]), (42,47,[c_1|3]), (43,44,[c_1|2]), (44,45,[b_1|2]), (44,48,[c_1|3]), (45,38,[a_1|2]), (45,40,[a_1|2]), (45,43,[a_1|2]), (45,49,[a_1|3]), (46,41,[c_1|3]), (47,38,[c_1|3]), (47,40,[c_1|3]), (47,43,[c_1|3]), (48,45,[c_1|3]), (49,50,[c_1|3]), (50,51,[b_1|3]), (50,52,[c_1|4]), (51,40,[a_1|3]), (51,43,[a_1|3]), (52,51,[c_1|4])}" ---------------------------------------- (8) BOUNDS(1, n^1)