MAYBE proof of input_16bzADiqRw.trs # AProVE Commit ID: aff8ecad908e01718a4c36e68d2e55d5e0f16e15 fuhs 20220216 unpublished The Runtime Complexity (parallel-innermost) of the given CpxTRS could be proven to be BOUNDS(1, INF). (0) CpxTRS (1) RenamingProof [BOTH BOUNDS(ID, ID), 0 ms] (2) CpxTRS (3) RelTrsToTrsProof [UPPER BOUND(ID), 0 ms] (4) CpxTRS (5) CpxTrsToCdtProof [BOTH BOUNDS(ID, ID), 0 ms] (6) CdtProblem (7) CdtToCpxRelTrsProof [BOTH BOUNDS(ID, ID), 0 ms] (8) CpxRelTRS (9) RenamingProof [BOTH BOUNDS(ID, ID), 0 ms] (10) CpxRelTRS (11) TypeInferenceProof [BOTH BOUNDS(ID, ID), 6 ms] (12) typed CpxTrs (13) OrderProof [LOWER BOUND(ID), 0 ms] (14) typed CpxTrs (15) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms] (16) TRS for Loop Detection (17) CpxTrsToCdtProof [UPPER BOUND(ID), 0 ms] (18) CdtProblem (19) CdtLeafRemovalProof [BOTH BOUNDS(ID, ID), 0 ms] (20) CdtProblem (21) CdtRhsSimplificationProcessorProof [BOTH BOUNDS(ID, ID), 0 ms] (22) CdtProblem (23) CdtUsableRulesProof [BOTH BOUNDS(ID, ID), 0 ms] (24) CdtProblem (25) CdtToCpxRelTrsProof [BOTH BOUNDS(ID, ID), 0 ms] (26) CpxTRS (27) RelTrsToTrsProof [UPPER BOUND(ID), 0 ms] (28) CpxTRS (29) RelTrsToWeightedTrsProof [BOTH BOUNDS(ID, ID), 0 ms] (30) CpxWeightedTrs (31) TypeInferenceProof [BOTH BOUNDS(ID, ID), 0 ms] (32) CpxTypedWeightedTrs (33) CompletionProof [UPPER BOUND(ID), 0 ms] (34) CpxTypedWeightedCompleteTrs (35) NarrowingProof [BOTH BOUNDS(ID, ID), 0 ms] (36) CpxTypedWeightedCompleteTrs (37) CpxTypedWeightedTrsToRntsProof [UPPER BOUND(ID), 0 ms] (38) CpxRNTS (39) SimplificationProof [BOTH BOUNDS(ID, ID), 0 ms] (40) CpxRNTS (41) CpxRntsAnalysisOrderProof [BOTH BOUNDS(ID, ID), 0 ms] (42) CpxRNTS (43) ResultPropagationProof [UPPER BOUND(ID), 0 ms] (44) CpxRNTS (45) IntTrsBoundProof [UPPER BOUND(ID), 98 ms] (46) CpxRNTS (47) IntTrsBoundProof [UPPER BOUND(ID), 32 ms] (48) CpxRNTS (49) CompletionProof [UPPER BOUND(ID), 0 ms] (50) CpxTypedWeightedCompleteTrs (51) CpxTypedWeightedTrsToRntsProof [UPPER BOUND(ID), 0 ms] (52) CpxRNTS (53) RelTrsToWeightedTrsProof [UPPER BOUND(ID), 0 ms] (54) CpxWeightedTrs (55) TypeInferenceProof [BOTH BOUNDS(ID, ID), 0 ms] (56) CpxTypedWeightedTrs (57) CompletionProof [UPPER BOUND(ID), 0 ms] (58) CpxTypedWeightedCompleteTrs (59) CpxTypedWeightedTrsToRntsProof [UPPER BOUND(ID), 0 ms] (60) CpxRNTS (61) CompletionProof [UPPER BOUND(ID), 0 ms] (62) CpxTypedWeightedCompleteTrs (63) NarrowingProof [BOTH BOUNDS(ID, ID), 0 ms] (64) CpxTypedWeightedCompleteTrs (65) CpxTypedWeightedTrsToRntsProof [UPPER BOUND(ID), 0 ms] (66) CpxRNTS (67) InliningProof [UPPER BOUND(ID), 0 ms] (68) CpxRNTS (69) SimplificationProof [BOTH BOUNDS(ID, ID), 0 ms] (70) CpxRNTS (71) CpxRntsAnalysisOrderProof [BOTH BOUNDS(ID, ID), 0 ms] (72) CpxRNTS (73) ResultPropagationProof [UPPER BOUND(ID), 0 ms] (74) CpxRNTS (75) IntTrsBoundProof [UPPER BOUND(ID), 118 ms] (76) CpxRNTS (77) IntTrsBoundProof [UPPER BOUND(ID), 8 ms] (78) CpxRNTS (79) ResultPropagationProof [UPPER BOUND(ID), 0 ms] (80) CpxRNTS (81) IntTrsBoundProof [UPPER BOUND(ID), 172 ms] (82) CpxRNTS (83) IntTrsBoundProof [UPPER BOUND(ID), 43 ms] (84) CpxRNTS ---------------------------------------- (0) Obligation: The Runtime Complexity (parallel-innermost) of the given CpxTRS could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: c -> f(g(c)) f(g(X)) -> g(X) S is empty. Rewrite Strategy: PARALLEL_INNERMOST ---------------------------------------- (1) RenamingProof (BOTH BOUNDS(ID, ID)) Renamed function symbols to avoid clashes with predefined symbol. ---------------------------------------- (2) Obligation: The Runtime Complexity (parallel-innermost) of the given CpxTRS could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: c -> f(g(c)) f(g(X)) -> g(X) S is empty. Rewrite Strategy: PARALLEL_INNERMOST ---------------------------------------- (3) RelTrsToTrsProof (UPPER BOUND(ID)) transformed relative TRS to TRS ---------------------------------------- (4) Obligation: The Runtime Complexity (parallel-innermost) of the given CpxTRS could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: c -> f(g(c)) f(g(X)) -> g(X) S is empty. Rewrite Strategy: PARALLEL_INNERMOST ---------------------------------------- (5) CpxTrsToCdtProof (BOTH BOUNDS(ID, ID)) Converted Cpx (relative) TRS with rewrite strategy PARALLEL_INNERMOST to CDT ---------------------------------------- (6) Obligation: Complexity Dependency Tuples Problem Rules: c -> f(g(c)) f(g(z0)) -> g(z0) Tuples: C -> c1(F(g(c)), C) F(g(z0)) -> c2 S tuples: C -> c1(F(g(c)), C) F(g(z0)) -> c2 K tuples:none Defined Rule Symbols: c, f_1 Defined Pair Symbols: C, F_1 Compound Symbols: c1_2, c2 ---------------------------------------- (7) CdtToCpxRelTrsProof (BOTH BOUNDS(ID, ID)) Converted S to standard rules, and D \ S as well as R to relative rules. ---------------------------------------- (8) Obligation: The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: C -> c1(F(g(c)), C) F(g(z0)) -> c2 The (relative) TRS S consists of the following rules: c -> f(g(c)) f(g(z0)) -> g(z0) Rewrite Strategy: INNERMOST ---------------------------------------- (9) RenamingProof (BOTH BOUNDS(ID, ID)) Renamed function symbols to avoid clashes with predefined symbol. ---------------------------------------- (10) Obligation: The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: C -> c1(F(g(c)), C) F(g(z0)) -> c2 The (relative) TRS S consists of the following rules: c -> f(g(c)) f(g(z0)) -> g(z0) Rewrite Strategy: INNERMOST ---------------------------------------- (11) TypeInferenceProof (BOTH BOUNDS(ID, ID)) Inferred types. ---------------------------------------- (12) Obligation: Innermost TRS: Rules: C -> c1(F(g(c)), C) F(g(z0)) -> c2 c -> f(g(c)) f(g(z0)) -> g(z0) Types: C :: c1 c1 :: c2 -> c1 -> c1 F :: g -> c2 g :: g -> g c :: g c2 :: c2 f :: g -> g hole_c11_3 :: c1 hole_c22_3 :: c2 hole_g3_3 :: g gen_c14_3 :: Nat -> c1 gen_g5_3 :: Nat -> g ---------------------------------------- (13) OrderProof (LOWER BOUND(ID)) Heuristically decided to analyse the following defined symbols: C, c They will be analysed ascendingly in the following order: c < C ---------------------------------------- (14) Obligation: Innermost TRS: Rules: C -> c1(F(g(c)), C) F(g(z0)) -> c2 c -> f(g(c)) f(g(z0)) -> g(z0) Types: C :: c1 c1 :: c2 -> c1 -> c1 F :: g -> c2 g :: g -> g c :: g c2 :: c2 f :: g -> g hole_c11_3 :: c1 hole_c22_3 :: c2 hole_g3_3 :: g gen_c14_3 :: Nat -> c1 gen_g5_3 :: Nat -> g Generator Equations: gen_c14_3(0) <=> hole_c11_3 gen_c14_3(+(x, 1)) <=> c1(c2, gen_c14_3(x)) gen_g5_3(0) <=> hole_g3_3 gen_g5_3(+(x, 1)) <=> g(gen_g5_3(x)) The following defined symbols remain to be analysed: c, C They will be analysed ascendingly in the following order: c < C ---------------------------------------- (15) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID)) Transformed a relative TRS into a decreasing-loop problem. ---------------------------------------- (16) Obligation: Analyzing the following TRS for decreasing loops: The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: C -> c1(F(g(c)), C) F(g(z0)) -> c2 The (relative) TRS S consists of the following rules: c -> f(g(c)) f(g(z0)) -> g(z0) Rewrite Strategy: INNERMOST ---------------------------------------- (17) CpxTrsToCdtProof (UPPER BOUND(ID)) Converted Cpx (relative) TRS with rewrite strategy PARALLEL_INNERMOST to CDT ---------------------------------------- (18) Obligation: Complexity Dependency Tuples Problem Rules: c -> f(g(c)) f(g(z0)) -> g(z0) Tuples: C -> c1(F(g(c)), C) F(g(z0)) -> c2 S tuples: C -> c1(F(g(c)), C) F(g(z0)) -> c2 K tuples:none Defined Rule Symbols: c, f_1 Defined Pair Symbols: C, F_1 Compound Symbols: c1_2, c2 ---------------------------------------- (19) CdtLeafRemovalProof (BOTH BOUNDS(ID, ID)) Removed 1 trailing nodes: F(g(z0)) -> c2 ---------------------------------------- (20) Obligation: Complexity Dependency Tuples Problem Rules: c -> f(g(c)) f(g(z0)) -> g(z0) Tuples: C -> c1(F(g(c)), C) S tuples: C -> c1(F(g(c)), C) K tuples:none Defined Rule Symbols: c, f_1 Defined Pair Symbols: C Compound Symbols: c1_2 ---------------------------------------- (21) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID)) Removed 1 trailing tuple parts ---------------------------------------- (22) Obligation: Complexity Dependency Tuples Problem Rules: c -> f(g(c)) f(g(z0)) -> g(z0) Tuples: C -> c1(C) S tuples: C -> c1(C) K tuples:none Defined Rule Symbols: c, f_1 Defined Pair Symbols: C Compound Symbols: c1_1 ---------------------------------------- (23) CdtUsableRulesProof (BOTH BOUNDS(ID, ID)) The following rules are not usable and were removed: c -> f(g(c)) f(g(z0)) -> g(z0) ---------------------------------------- (24) Obligation: Complexity Dependency Tuples Problem Rules:none Tuples: C -> c1(C) S tuples: C -> c1(C) K tuples:none Defined Rule Symbols:none Defined Pair Symbols: C Compound Symbols: c1_1 ---------------------------------------- (25) CdtToCpxRelTrsProof (BOTH BOUNDS(ID, ID)) Converted S to standard rules, and D \ S as well as R to relative rules. ---------------------------------------- (26) Obligation: The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: C -> c1(C) S is empty. Rewrite Strategy: INNERMOST ---------------------------------------- (27) RelTrsToTrsProof (UPPER BOUND(ID)) transformed relative TRS to TRS ---------------------------------------- (28) Obligation: The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: C -> c1(C) S is empty. Rewrite Strategy: INNERMOST ---------------------------------------- (29) RelTrsToWeightedTrsProof (BOTH BOUNDS(ID, ID)) Transformed relative TRS to weighted TRS ---------------------------------------- (30) Obligation: The Runtime Complexity (innermost) of the given CpxWeightedTrs could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: C -> c1(C) [1] Rewrite Strategy: INNERMOST ---------------------------------------- (31) TypeInferenceProof (BOTH BOUNDS(ID, ID)) Infered types. ---------------------------------------- (32) Obligation: Runtime Complexity Weighted TRS with Types. The TRS R consists of the following rules: C -> c1(C) [1] The TRS has the following type information: C :: c1 c1 :: c1 -> c1 Rewrite Strategy: INNERMOST ---------------------------------------- (33) CompletionProof (UPPER BOUND(ID)) The transformation into a RNTS is sound, since: (a) The obligation is a constructor system where every type has a constant constructor, (b) The following defined symbols do not have to be completely defined, as they can never occur inside other defined symbols: C (c) The following functions are completely defined: none Due to the following rules being added: none And the following fresh constants: const ---------------------------------------- (34) Obligation: Runtime Complexity Weighted TRS where critical functions are completely defined. The underlying TRS is: Runtime Complexity Weighted TRS with Types. The TRS R consists of the following rules: C -> c1(C) [1] The TRS has the following type information: C :: c1 c1 :: c1 -> c1 const :: c1 Rewrite Strategy: INNERMOST ---------------------------------------- (35) NarrowingProof (BOTH BOUNDS(ID, ID)) Narrowed the inner basic terms of all right-hand sides by a single narrowing step. ---------------------------------------- (36) Obligation: Runtime Complexity Weighted TRS where critical functions are completely defined. The underlying TRS is: Runtime Complexity Weighted TRS with Types. The TRS R consists of the following rules: C -> c1(C) [1] The TRS has the following type information: C :: c1 c1 :: c1 -> c1 const :: c1 Rewrite Strategy: INNERMOST ---------------------------------------- (37) CpxTypedWeightedTrsToRntsProof (UPPER BOUND(ID)) Transformed the TRS into an over-approximating RNTS by (improved) Size Abstraction. The constant constructors are abstracted as follows: const => 0 ---------------------------------------- (38) Obligation: Complexity RNTS consisting of the following rules: C -{ 1 }-> 1 + C :|: ---------------------------------------- (39) SimplificationProof (BOTH BOUNDS(ID, ID)) Simplified the RNTS by moving equalities from the constraints into the right-hand sides. ---------------------------------------- (40) Obligation: Complexity RNTS consisting of the following rules: C -{ 1 }-> 1 + C :|: ---------------------------------------- (41) CpxRntsAnalysisOrderProof (BOTH BOUNDS(ID, ID)) Found the following analysis order by SCC decomposition: { C } ---------------------------------------- (42) Obligation: Complexity RNTS consisting of the following rules: C -{ 1 }-> 1 + C :|: Function symbols to be analyzed: {C} ---------------------------------------- (43) ResultPropagationProof (UPPER BOUND(ID)) Applied inner abstraction using the recently inferred runtime/size bounds where possible. ---------------------------------------- (44) Obligation: Complexity RNTS consisting of the following rules: C -{ 1 }-> 1 + C :|: Function symbols to be analyzed: {C} ---------------------------------------- (45) IntTrsBoundProof (UPPER BOUND(ID)) Computed SIZE bound using CoFloCo for: C after applying outer abstraction to obtain an ITS, resulting in: O(1) with polynomial bound: 0 ---------------------------------------- (46) Obligation: Complexity RNTS consisting of the following rules: C -{ 1 }-> 1 + C :|: Function symbols to be analyzed: {C} Previous analysis results are: C: runtime: ?, size: O(1) [0] ---------------------------------------- (47) IntTrsBoundProof (UPPER BOUND(ID)) Computed RUNTIME bound using CoFloCo for: C after applying outer abstraction to obtain an ITS, resulting in: INF with polynomial bound: ? ---------------------------------------- (48) Obligation: Complexity RNTS consisting of the following rules: C -{ 1 }-> 1 + C :|: Function symbols to be analyzed: {C} Previous analysis results are: C: runtime: INF, size: O(1) [0] ---------------------------------------- (49) CompletionProof (UPPER BOUND(ID)) The TRS is a completely defined constructor system, as every type has a constant constructor and the following rules were added: none And the following fresh constants: const ---------------------------------------- (50) Obligation: Runtime Complexity Weighted TRS where all functions are completely defined. The underlying TRS is: Runtime Complexity Weighted TRS with Types. The TRS R consists of the following rules: C -> c1(C) [1] The TRS has the following type information: C :: c1 c1 :: c1 -> c1 const :: c1 Rewrite Strategy: INNERMOST ---------------------------------------- (51) CpxTypedWeightedTrsToRntsProof (UPPER BOUND(ID)) Transformed the TRS into an over-approximating RNTS by (improved) Size Abstraction. The constant constructors are abstracted as follows: const => 0 ---------------------------------------- (52) Obligation: Complexity RNTS consisting of the following rules: C -{ 1 }-> 1 + C :|: Only complete derivations are relevant for the runtime complexity. ---------------------------------------- (53) RelTrsToWeightedTrsProof (UPPER BOUND(ID)) Transformed relative TRS to weighted TRS ---------------------------------------- (54) Obligation: The Runtime Complexity (innermost) of the given CpxWeightedTrs could be proven to be BOUNDS(1, INF). The TRS R consists of the following rules: c -> f(g(c)) [1] f(g(X)) -> g(X) [1] Rewrite Strategy: INNERMOST ---------------------------------------- (55) TypeInferenceProof (BOTH BOUNDS(ID, ID)) Infered types. ---------------------------------------- (56) Obligation: Runtime Complexity Weighted TRS with Types. The TRS R consists of the following rules: c -> f(g(c)) [1] f(g(X)) -> g(X) [1] The TRS has the following type information: c :: g f :: g -> g g :: g -> g Rewrite Strategy: INNERMOST ---------------------------------------- (57) CompletionProof (UPPER BOUND(ID)) The TRS is a completely defined constructor system, as every type has a constant constructor and the following rules were added: f(v0) -> null_f [0] And the following fresh constants: null_f ---------------------------------------- (58) Obligation: Runtime Complexity Weighted TRS where all functions are completely defined. The underlying TRS is: Runtime Complexity Weighted TRS with Types. The TRS R consists of the following rules: c -> f(g(c)) [1] f(g(X)) -> g(X) [1] f(v0) -> null_f [0] The TRS has the following type information: c :: g:null_f f :: g:null_f -> g:null_f g :: g:null_f -> g:null_f null_f :: g:null_f Rewrite Strategy: INNERMOST ---------------------------------------- (59) CpxTypedWeightedTrsToRntsProof (UPPER BOUND(ID)) Transformed the TRS into an over-approximating RNTS by (improved) Size Abstraction. The constant constructors are abstracted as follows: null_f => 0 ---------------------------------------- (60) Obligation: Complexity RNTS consisting of the following rules: c -{ 1 }-> f(1 + c) :|: f(z) -{ 0 }-> 0 :|: v0 >= 0, z = v0 f(z) -{ 1 }-> 1 + X :|: z = 1 + X, X >= 0 Only complete derivations are relevant for the runtime complexity. ---------------------------------------- (61) CompletionProof (UPPER BOUND(ID)) The transformation into a RNTS is sound, since: (a) The obligation is a constructor system where every type has a constant constructor, (b) The following defined symbols do not have to be completely defined, as they can never occur inside other defined symbols: none (c) The following functions are completely defined: c f_1 Due to the following rules being added: f(v0) -> const [0] And the following fresh constants: const ---------------------------------------- (62) Obligation: Runtime Complexity Weighted TRS where critical functions are completely defined. The underlying TRS is: Runtime Complexity Weighted TRS with Types. The TRS R consists of the following rules: c -> f(g(c)) [1] f(g(X)) -> g(X) [1] f(v0) -> const [0] The TRS has the following type information: c :: g:const f :: g:const -> g:const g :: g:const -> g:const const :: g:const Rewrite Strategy: INNERMOST ---------------------------------------- (63) NarrowingProof (BOTH BOUNDS(ID, ID)) Narrowed the inner basic terms of all right-hand sides by a single narrowing step. ---------------------------------------- (64) Obligation: Runtime Complexity Weighted TRS where critical functions are completely defined. The underlying TRS is: Runtime Complexity Weighted TRS with Types. The TRS R consists of the following rules: c -> f(g(f(g(c)))) [2] f(g(X)) -> g(X) [1] f(v0) -> const [0] The TRS has the following type information: c :: g:const f :: g:const -> g:const g :: g:const -> g:const const :: g:const Rewrite Strategy: INNERMOST ---------------------------------------- (65) CpxTypedWeightedTrsToRntsProof (UPPER BOUND(ID)) Transformed the TRS into an over-approximating RNTS by (improved) Size Abstraction. The constant constructors are abstracted as follows: const => 0 ---------------------------------------- (66) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: v0 >= 0, z = v0 f(z) -{ 1 }-> 1 + X :|: z = 1 + X, X >= 0 ---------------------------------------- (67) InliningProof (UPPER BOUND(ID)) Inlined the following terminating rules on right-hand sides where appropriate: f(z) -{ 0 }-> 0 :|: v0 >= 0, z = v0 f(z) -{ 1 }-> 1 + X :|: z = 1 + X, X >= 0 ---------------------------------------- (68) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: v0 >= 0, z = v0 f(z) -{ 1 }-> 1 + X :|: z = 1 + X, X >= 0 ---------------------------------------- (69) SimplificationProof (BOTH BOUNDS(ID, ID)) Simplified the RNTS by moving equalities from the constraints into the right-hand sides. ---------------------------------------- (70) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: z >= 0 f(z) -{ 1 }-> 1 + (z - 1) :|: z - 1 >= 0 ---------------------------------------- (71) CpxRntsAnalysisOrderProof (BOTH BOUNDS(ID, ID)) Found the following analysis order by SCC decomposition: { f } { c } ---------------------------------------- (72) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: z >= 0 f(z) -{ 1 }-> 1 + (z - 1) :|: z - 1 >= 0 Function symbols to be analyzed: {f}, {c} ---------------------------------------- (73) ResultPropagationProof (UPPER BOUND(ID)) Applied inner abstraction using the recently inferred runtime/size bounds where possible. ---------------------------------------- (74) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: z >= 0 f(z) -{ 1 }-> 1 + (z - 1) :|: z - 1 >= 0 Function symbols to be analyzed: {f}, {c} ---------------------------------------- (75) IntTrsBoundProof (UPPER BOUND(ID)) Computed SIZE bound using CoFloCo for: f after applying outer abstraction to obtain an ITS, resulting in: O(n^1) with polynomial bound: z ---------------------------------------- (76) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: z >= 0 f(z) -{ 1 }-> 1 + (z - 1) :|: z - 1 >= 0 Function symbols to be analyzed: {f}, {c} Previous analysis results are: f: runtime: ?, size: O(n^1) [z] ---------------------------------------- (77) IntTrsBoundProof (UPPER BOUND(ID)) Computed RUNTIME bound using CoFloCo for: f after applying outer abstraction to obtain an ITS, resulting in: O(1) with polynomial bound: 1 ---------------------------------------- (78) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: z >= 0 f(z) -{ 1 }-> 1 + (z - 1) :|: z - 1 >= 0 Function symbols to be analyzed: {c} Previous analysis results are: f: runtime: O(1) [1], size: O(n^1) [z] ---------------------------------------- (79) ResultPropagationProof (UPPER BOUND(ID)) Applied inner abstraction using the recently inferred runtime/size bounds where possible. ---------------------------------------- (80) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: z >= 0 f(z) -{ 1 }-> 1 + (z - 1) :|: z - 1 >= 0 Function symbols to be analyzed: {c} Previous analysis results are: f: runtime: O(1) [1], size: O(n^1) [z] ---------------------------------------- (81) IntTrsBoundProof (UPPER BOUND(ID)) Computed SIZE bound using CoFloCo for: c after applying outer abstraction to obtain an ITS, resulting in: O(1) with polynomial bound: 0 ---------------------------------------- (82) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: z >= 0 f(z) -{ 1 }-> 1 + (z - 1) :|: z - 1 >= 0 Function symbols to be analyzed: {c} Previous analysis results are: f: runtime: O(1) [1], size: O(n^1) [z] c: runtime: ?, size: O(1) [0] ---------------------------------------- (83) IntTrsBoundProof (UPPER BOUND(ID)) Computed RUNTIME bound using CoFloCo for: c after applying outer abstraction to obtain an ITS, resulting in: INF with polynomial bound: ? ---------------------------------------- (84) Obligation: Complexity RNTS consisting of the following rules: c -{ 2 }-> f(1 + f(1 + c)) :|: f(z) -{ 0 }-> 0 :|: z >= 0 f(z) -{ 1 }-> 1 + (z - 1) :|: z - 1 >= 0 Function symbols to be analyzed: {c} Previous analysis results are: f: runtime: O(1) [1], size: O(n^1) [z] c: runtime: INF, size: O(1) [0]