WORST_CASE(Omega(n^1), O(n^2))
proof of /export/starexec/sandbox/benchmark/theBenchmark.xml
# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty


The Derivational Complexity (innermost) of the given DCpxTrs could be proven to be BOUNDS(n^1, n^2).

(0) DCpxTrs
(1) DerivationalComplexityToRuntimeComplexityProof [BOTH BOUNDS(ID, ID), 0 ms]
(2) CpxRelTRS
(3) SInnermostTerminationProof [BOTH CONCRETE BOUNDS(ID, ID), 79 ms]
(4) CpxRelTRS
(5) CpxTrsToCdtProof [UPPER BOUND(ID), 0 ms]
(6) CdtProblem
    (7) CdtLeafRemovalProof [ComplexityIfPolyImplication, 0 ms]
    (8) CdtProblem
    (9) CdtGraphSplitRhsProof [BOTH BOUNDS(ID, ID), 0 ms]
    (10) CdtProblem
    (11) CdtLeafRemovalProof [ComplexityIfPolyImplication, 0 ms]
    (12) CdtProblem
    (13) CdtUsableRulesProof [BOTH BOUNDS(ID, ID), 0 ms]
    (14) CdtProblem
    (15) CdtRuleRemovalProof [UPPER BOUND(ADD(n^1)), 79 ms]
    (16) CdtProblem
    (17) CdtRuleRemovalProof [UPPER BOUND(ADD(n^2)), 100 ms]
    (18) CdtProblem
    (19) CdtNarrowingProof [BOTH BOUNDS(ID, ID), 0 ms]
    (20) CdtProblem
    (21) CdtLeafRemovalProof [BOTH BOUNDS(ID, ID), 0 ms]
    (22) CdtProblem
    (23) CdtNarrowingProof [BOTH BOUNDS(ID, ID), 0 ms]
    (24) CdtProblem
    (25) CdtLeafRemovalProof [BOTH BOUNDS(ID, ID), 0 ms]
    (26) CdtProblem
    (27) CdtNarrowingProof [BOTH BOUNDS(ID, ID), 0 ms]
    (28) CdtProblem
    (29) CdtRhsSimplificationProcessorProof [BOTH BOUNDS(ID, ID), 0 ms]
    (30) CdtProblem
    (31) CdtRuleRemovalProof [UPPER BOUND(ADD(n^2)), 115 ms]
    (32) CdtProblem
    (33) SIsEmptyProof [BOTH BOUNDS(ID, ID), 0 ms]
    (34) BOUNDS(1, 1)
(35) RelTrsToDecreasingLoopProblemProof [LOWER BOUND(ID), 0 ms]
(36) TRS for Loop Detection
    (37) DecreasingLoopProof [LOWER BOUND(ID), 0 ms]
    (38) BEST
        (39) proven lower bound
            (40) LowerBoundPropagationProof [FINISHED, 0 ms]
            (41) BOUNDS(n^1, INF)
        (42) TRS for Loop Detection


----------------------------------------

(0)
Obligation:
The Derivational Complexity (innermost) of the given DCpxTrs could be proven to be BOUNDS(n^1, n^2).


The TRS R consists of the following rules:

   f(f(x)) -> f(x)
   f(s(x)) -> f(x)
   g(s(0)) -> g(f(s(0)))

S is empty.
Rewrite Strategy: INNERMOST
----------------------------------------

(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(s(x_1)) -> s(encArg(x_1))
   encArg(0) -> 0
   encArg(cons_f(x_1)) -> f(encArg(x_1))
   encArg(cons_g(x_1)) -> g(encArg(x_1))
   encode_f(x_1) -> f(encArg(x_1))
   encode_s(x_1) -> s(encArg(x_1))
   encode_g(x_1) -> g(encArg(x_1))
   encode_0 -> 0


----------------------------------------

(2)
Obligation:
The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(n^1, n^2).


The TRS R consists of the following rules:

   f(f(x)) -> f(x)
   f(s(x)) -> f(x)
   g(s(0)) -> g(f(s(0)))

The (relative) TRS S consists of the following rules:

   encArg(s(x_1)) -> s(encArg(x_1))
   encArg(0) -> 0
   encArg(cons_f(x_1)) -> f(encArg(x_1))
   encArg(cons_g(x_1)) -> g(encArg(x_1))
   encode_f(x_1) -> f(encArg(x_1))
   encode_s(x_1) -> s(encArg(x_1))
   encode_g(x_1) -> g(encArg(x_1))
   encode_0 -> 0

Rewrite Strategy: INNERMOST
----------------------------------------

(3) SInnermostTerminationProof (BOTH CONCRETE BOUNDS(ID, ID))
proved innermost termination of relative rules
----------------------------------------

(4)
Obligation:
The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(n^1, n^2).


The TRS R consists of the following rules:

   f(f(x)) -> f(x)
   f(s(x)) -> f(x)
   g(s(0)) -> g(f(s(0)))

The (relative) TRS S consists of the following rules:

   encArg(s(x_1)) -> s(encArg(x_1))
   encArg(0) -> 0
   encArg(cons_f(x_1)) -> f(encArg(x_1))
   encArg(cons_g(x_1)) -> g(encArg(x_1))
   encode_f(x_1) -> f(encArg(x_1))
   encode_s(x_1) -> s(encArg(x_1))
   encode_g(x_1) -> g(encArg(x_1))
   encode_0 -> 0

Rewrite Strategy: INNERMOST
----------------------------------------

(5) CpxTrsToCdtProof (UPPER BOUND(ID))
Converted Cpx (relative) TRS to CDT
----------------------------------------

(6)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   encode_f(z0) -> f(encArg(z0))
   encode_s(z0) -> s(encArg(z0))
   encode_g(z0) -> g(encArg(z0))
   encode_0 -> 0
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(0) -> c1
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   ENCODE_F(z0) -> c4(F(encArg(z0)), ENCARG(z0))
   ENCODE_S(z0) -> c5(ENCARG(z0))
   ENCODE_G(z0) -> c6(G(encArg(z0)), ENCARG(z0))
   ENCODE_0 -> c7
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
S tuples:
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
K tuples:none
Defined Rule Symbols:   f_1, g_1, encArg_1, encode_f_1, encode_s_1, encode_g_1, encode_0

Defined Pair Symbols:   ENCARG_1, ENCODE_F_1, ENCODE_S_1, ENCODE_G_1, ENCODE_0, F_1, G_1

Compound Symbols:   c_1, c1, c2_2, c3_2, c4_2, c5_1, c6_2, c7, c8_1, c9_1, c10_2


----------------------------------------

(7) CdtLeafRemovalProof (ComplexityIfPolyImplication)
Removed 1 leading nodes:
   ENCODE_S(z0) -> c5(ENCARG(z0))
Removed 2 trailing nodes:
   ENCARG(0) -> c1
   ENCODE_0 -> c7

----------------------------------------

(8)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   encode_f(z0) -> f(encArg(z0))
   encode_s(z0) -> s(encArg(z0))
   encode_g(z0) -> g(encArg(z0))
   encode_0 -> 0
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   ENCODE_F(z0) -> c4(F(encArg(z0)), ENCARG(z0))
   ENCODE_G(z0) -> c6(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
S tuples:
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
K tuples:none
Defined Rule Symbols:   f_1, g_1, encArg_1, encode_f_1, encode_s_1, encode_g_1, encode_0

Defined Pair Symbols:   ENCARG_1, ENCODE_F_1, ENCODE_G_1, F_1, G_1

Compound Symbols:   c_1, c2_2, c3_2, c4_2, c6_2, c8_1, c9_1, c10_2


----------------------------------------

(9) CdtGraphSplitRhsProof (BOTH BOUNDS(ID, ID))
Split RHS of tuples not part of any SCC
----------------------------------------

(10)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   encode_f(z0) -> f(encArg(z0))
   encode_s(z0) -> s(encArg(z0))
   encode_g(z0) -> g(encArg(z0))
   encode_0 -> 0
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_F(z0) -> c1(ENCARG(z0))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCODE_G(z0) -> c1(ENCARG(z0))
S tuples:
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
K tuples:none
Defined Rule Symbols:   f_1, g_1, encArg_1, encode_f_1, encode_s_1, encode_g_1, encode_0

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c2_2, c3_2, c8_1, c9_1, c10_2, c1_1


----------------------------------------

(11) CdtLeafRemovalProof (ComplexityIfPolyImplication)
Removed 2 leading nodes:
   ENCODE_F(z0) -> c1(ENCARG(z0))
   ENCODE_G(z0) -> c1(ENCARG(z0))

----------------------------------------

(12)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   encode_f(z0) -> f(encArg(z0))
   encode_s(z0) -> s(encArg(z0))
   encode_g(z0) -> g(encArg(z0))
   encode_0 -> 0
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
S tuples:
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
K tuples:none
Defined Rule Symbols:   f_1, g_1, encArg_1, encode_f_1, encode_s_1, encode_g_1, encode_0

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c2_2, c3_2, c8_1, c9_1, c10_2, c1_1


----------------------------------------

(13) CdtUsableRulesProof (BOTH BOUNDS(ID, ID))
The following rules are not usable and were removed:
   encode_f(z0) -> f(encArg(z0))
   encode_s(z0) -> s(encArg(z0))
   encode_g(z0) -> g(encArg(z0))
   encode_0 -> 0

----------------------------------------

(14)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
S tuples:
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
K tuples:none
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c2_2, c3_2, c8_1, c9_1, c10_2, c1_1


----------------------------------------

(15) CdtRuleRemovalProof (UPPER BOUND(ADD(n^1)))
Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
We considered the (Usable) Rules:
   encArg(s(z0)) -> s(encArg(z0))
   g(s(0)) -> g(f(s(0)))
   f(f(z0)) -> f(z0)
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(s(z0)) -> f(z0)
   encArg(0) -> 0
And the Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
The order we found is given by the following interpretation:

Polynomial interpretation :

   POL(0) = [1]
   POL(ENCARG(x_1)) = x_1
   POL(ENCODE_F(x_1)) = 0
   POL(ENCODE_G(x_1)) = [1]
   POL(F(x_1)) = 0
   POL(G(x_1)) = x_1
   POL(c(x_1)) = x_1
   POL(c1(x_1)) = x_1
   POL(c10(x_1, x_2)) = x_1 + x_2
   POL(c2(x_1, x_2)) = x_1 + x_2
   POL(c3(x_1, x_2)) = x_1 + x_2
   POL(c8(x_1)) = x_1
   POL(c9(x_1)) = x_1
   POL(cons_f(x_1)) = [1] + x_1
   POL(cons_g(x_1)) = [1] + x_1
   POL(encArg(x_1)) = [1]
   POL(f(x_1)) = 0
   POL(g(x_1)) = [1]
   POL(s(x_1)) = x_1

----------------------------------------

(16)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
S tuples:
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c2_2, c3_2, c8_1, c9_1, c10_2, c1_1


----------------------------------------

(17) CdtRuleRemovalProof (UPPER BOUND(ADD(n^2)))
Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.
   F(f(z0)) -> c8(F(z0))
We considered the (Usable) Rules:
   encArg(s(z0)) -> s(encArg(z0))
   g(s(0)) -> g(f(s(0)))
   f(f(z0)) -> f(z0)
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(s(z0)) -> f(z0)
   encArg(0) -> 0
And the Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
The order we found is given by the following interpretation:

Polynomial interpretation :

   POL(0) = 0
   POL(ENCARG(x_1)) = x_1^2
   POL(ENCODE_F(x_1)) = [2] + [2]x_1 + [2]x_1^2
   POL(ENCODE_G(x_1)) = [1] + [2]x_1^2
   POL(F(x_1)) = [2]x_1
   POL(G(x_1)) = 0
   POL(c(x_1)) = x_1
   POL(c1(x_1)) = x_1
   POL(c10(x_1, x_2)) = x_1 + x_2
   POL(c2(x_1, x_2)) = x_1 + x_2
   POL(c3(x_1, x_2)) = x_1 + x_2
   POL(c8(x_1)) = x_1
   POL(c9(x_1)) = x_1
   POL(cons_f(x_1)) = [1] + x_1
   POL(cons_g(x_1)) = x_1
   POL(encArg(x_1)) = x_1
   POL(f(x_1)) = [1] + x_1
   POL(g(x_1)) = 0
   POL(s(x_1)) = x_1

----------------------------------------

(18)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
S tuples:
   F(s(z0)) -> c9(F(z0))
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   F(f(z0)) -> c8(F(z0))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c2_2, c3_2, c8_1, c9_1, c10_2, c1_1


----------------------------------------

(19) CdtNarrowingProof (BOTH BOUNDS(ID, ID))
Use narrowing to replace ENCARG(cons_f(z0)) -> c2(F(encArg(z0)), ENCARG(z0)) by 
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(0)) -> c2(F(0), ENCARG(0))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))

----------------------------------------

(20)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(0)) -> c2(F(0), ENCARG(0))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))
S tuples:
   F(s(z0)) -> c9(F(z0))
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   F(f(z0)) -> c8(F(z0))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c3_2, c8_1, c9_1, c10_2, c1_1, c2_2


----------------------------------------

(21) CdtLeafRemovalProof (BOTH BOUNDS(ID, ID))
Removed 1 trailing nodes:
   ENCARG(cons_f(0)) -> c2(F(0), ENCARG(0))

----------------------------------------

(22)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))
S tuples:
   F(s(z0)) -> c9(F(z0))
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   F(f(z0)) -> c8(F(z0))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c3_2, c8_1, c9_1, c10_2, c1_1, c2_2


----------------------------------------

(23) CdtNarrowingProof (BOTH BOUNDS(ID, ID))
Use narrowing to replace ENCARG(cons_g(z0)) -> c3(G(encArg(z0)), ENCARG(z0)) by 
   ENCARG(cons_g(s(z0))) -> c3(G(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_g(0)) -> c3(G(0), ENCARG(0))
   ENCARG(cons_g(cons_f(z0))) -> c3(G(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_g(cons_g(z0))) -> c3(G(g(encArg(z0))), ENCARG(cons_g(z0)))

----------------------------------------

(24)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))
   ENCARG(cons_g(s(z0))) -> c3(G(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_g(0)) -> c3(G(0), ENCARG(0))
   ENCARG(cons_g(cons_f(z0))) -> c3(G(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_g(cons_g(z0))) -> c3(G(g(encArg(z0))), ENCARG(cons_g(z0)))
S tuples:
   F(s(z0)) -> c9(F(z0))
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   F(f(z0)) -> c8(F(z0))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c8_1, c9_1, c10_2, c1_1, c2_2, c3_2


----------------------------------------

(25) CdtLeafRemovalProof (BOTH BOUNDS(ID, ID))
Removed 1 trailing nodes:
   ENCARG(cons_g(0)) -> c3(G(0), ENCARG(0))

----------------------------------------

(26)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))
   ENCARG(cons_g(s(z0))) -> c3(G(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_g(cons_f(z0))) -> c3(G(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_g(cons_g(z0))) -> c3(G(g(encArg(z0))), ENCARG(cons_g(z0)))
S tuples:
   F(s(z0)) -> c9(F(z0))
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   F(f(z0)) -> c8(F(z0))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, G_1, ENCODE_F_1, ENCODE_G_1

Compound Symbols:   c_1, c8_1, c9_1, c10_2, c1_1, c2_2, c3_2


----------------------------------------

(27) CdtNarrowingProof (BOTH BOUNDS(ID, ID))
Use narrowing to replace G(s(0)) -> c10(G(f(s(0))), F(s(0))) by 
   G(s(0)) -> c10(G(f(0)), F(s(0)))

----------------------------------------

(28)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))
   ENCARG(cons_g(s(z0))) -> c3(G(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_g(cons_f(z0))) -> c3(G(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_g(cons_g(z0))) -> c3(G(g(encArg(z0))), ENCARG(cons_g(z0)))
   G(s(0)) -> c10(G(f(0)), F(s(0)))
S tuples:
   F(s(z0)) -> c9(F(z0))
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   F(f(z0)) -> c8(F(z0))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, ENCODE_F_1, ENCODE_G_1, G_1

Compound Symbols:   c_1, c8_1, c9_1, c1_1, c2_2, c3_2, c10_2


----------------------------------------

(29) CdtRhsSimplificationProcessorProof (BOTH BOUNDS(ID, ID))
Removed 1 trailing tuple parts
----------------------------------------

(30)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))
   ENCARG(cons_g(s(z0))) -> c3(G(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_g(cons_f(z0))) -> c3(G(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_g(cons_g(z0))) -> c3(G(g(encArg(z0))), ENCARG(cons_g(z0)))
   G(s(0)) -> c10(F(s(0)))
S tuples:
   F(s(z0)) -> c9(F(z0))
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   F(f(z0)) -> c8(F(z0))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, ENCODE_F_1, ENCODE_G_1, G_1

Compound Symbols:   c_1, c8_1, c9_1, c1_1, c2_2, c3_2, c10_1


----------------------------------------

(31) CdtRuleRemovalProof (UPPER BOUND(ADD(n^2)))
Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.
   F(s(z0)) -> c9(F(z0))
We considered the (Usable) Rules:
   encArg(s(z0)) -> s(encArg(z0))
   g(s(0)) -> g(f(s(0)))
   f(f(z0)) -> f(z0)
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(s(z0)) -> f(z0)
   encArg(0) -> 0
And the Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))
   ENCARG(cons_g(s(z0))) -> c3(G(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_g(cons_f(z0))) -> c3(G(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_g(cons_g(z0))) -> c3(G(g(encArg(z0))), ENCARG(cons_g(z0)))
   G(s(0)) -> c10(F(s(0)))
The order we found is given by the following interpretation:

Polynomial interpretation :

   POL(0) = 0
   POL(ENCARG(x_1)) = x_1^2
   POL(ENCODE_F(x_1)) = [2] + [2]x_1 + [2]x_1^2
   POL(ENCODE_G(x_1)) = [2] + [2]x_1 + x_1^2
   POL(F(x_1)) = x_1
   POL(G(x_1)) = [2]
   POL(c(x_1)) = x_1
   POL(c1(x_1)) = x_1
   POL(c10(x_1)) = x_1
   POL(c2(x_1, x_2)) = x_1 + x_2
   POL(c3(x_1, x_2)) = x_1 + x_2
   POL(c8(x_1)) = x_1
   POL(c9(x_1)) = x_1
   POL(cons_f(x_1)) = [2] + x_1
   POL(cons_g(x_1)) = [1] + x_1
   POL(encArg(x_1)) = [2]x_1
   POL(f(x_1)) = x_1
   POL(g(x_1)) = [2]
   POL(s(x_1)) = [1] + x_1

----------------------------------------

(32)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(0) -> 0
   encArg(cons_f(z0)) -> f(encArg(z0))
   encArg(cons_g(z0)) -> g(encArg(z0))
   f(f(z0)) -> f(z0)
   f(s(z0)) -> f(z0)
   g(s(0)) -> g(f(s(0)))
Tuples:
   ENCARG(s(z0)) -> c(ENCARG(z0))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
   ENCODE_F(z0) -> c1(F(encArg(z0)))
   ENCODE_G(z0) -> c1(G(encArg(z0)))
   ENCARG(cons_f(s(z0))) -> c2(F(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_f(cons_f(z0))) -> c2(F(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_f(cons_g(z0))) -> c2(F(g(encArg(z0))), ENCARG(cons_g(z0)))
   ENCARG(cons_g(s(z0))) -> c3(G(s(encArg(z0))), ENCARG(s(z0)))
   ENCARG(cons_g(cons_f(z0))) -> c3(G(f(encArg(z0))), ENCARG(cons_f(z0)))
   ENCARG(cons_g(cons_g(z0))) -> c3(G(g(encArg(z0))), ENCARG(cons_g(z0)))
   G(s(0)) -> c10(F(s(0)))
S tuples:none
K tuples:
   G(s(0)) -> c10(G(f(s(0))), F(s(0)))
   F(f(z0)) -> c8(F(z0))
   F(s(z0)) -> c9(F(z0))
Defined Rule Symbols:   encArg_1, f_1, g_1

Defined Pair Symbols:   ENCARG_1, F_1, ENCODE_F_1, ENCODE_G_1, G_1

Compound Symbols:   c_1, c8_1, c9_1, c1_1, c2_2, c3_2, c10_1


----------------------------------------

(33) SIsEmptyProof (BOTH BOUNDS(ID, ID))
The set S is empty
----------------------------------------

(34)
BOUNDS(1, 1)

----------------------------------------

(35) RelTrsToDecreasingLoopProblemProof (LOWER BOUND(ID))
Transformed a relative TRS into a decreasing-loop problem.
----------------------------------------

(36)
Obligation:
Analyzing the following TRS for decreasing loops:

The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(n^1, n^2).


The TRS R consists of the following rules:

   f(f(x)) -> f(x)
   f(s(x)) -> f(x)
   g(s(0)) -> g(f(s(0)))

The (relative) TRS S consists of the following rules:

   encArg(s(x_1)) -> s(encArg(x_1))
   encArg(0) -> 0
   encArg(cons_f(x_1)) -> f(encArg(x_1))
   encArg(cons_g(x_1)) -> g(encArg(x_1))
   encode_f(x_1) -> f(encArg(x_1))
   encode_s(x_1) -> s(encArg(x_1))
   encode_g(x_1) -> g(encArg(x_1))
   encode_0 -> 0

Rewrite Strategy: INNERMOST
----------------------------------------

(37) DecreasingLoopProof (LOWER BOUND(ID))
The following loop(s) give(s) rise to the lower bound Omega(n^1):

The rewrite sequence

f(s(x)) ->^+ f(x)

gives rise to a decreasing loop by considering the right hand sides subterm at position [].

The pumping substitution is [x / s(x)].

The result substitution is [ ].




----------------------------------------

(38)
Complex Obligation (BEST)

----------------------------------------

(39)
Obligation:
Proved the lower bound n^1 for the following obligation:

The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(n^1, n^2).


The TRS R consists of the following rules:

   f(f(x)) -> f(x)
   f(s(x)) -> f(x)
   g(s(0)) -> g(f(s(0)))

The (relative) TRS S consists of the following rules:

   encArg(s(x_1)) -> s(encArg(x_1))
   encArg(0) -> 0
   encArg(cons_f(x_1)) -> f(encArg(x_1))
   encArg(cons_g(x_1)) -> g(encArg(x_1))
   encode_f(x_1) -> f(encArg(x_1))
   encode_s(x_1) -> s(encArg(x_1))
   encode_g(x_1) -> g(encArg(x_1))
   encode_0 -> 0

Rewrite Strategy: INNERMOST
----------------------------------------

(40) LowerBoundPropagationProof (FINISHED)
Propagated lower bound.
----------------------------------------

(41)
BOUNDS(n^1, INF)

----------------------------------------

(42)
Obligation:
Analyzing the following TRS for decreasing loops:

The Runtime Complexity (innermost) of the given CpxRelTRS could be proven to be BOUNDS(n^1, n^2).


The TRS R consists of the following rules:

   f(f(x)) -> f(x)
   f(s(x)) -> f(x)
   g(s(0)) -> g(f(s(0)))

The (relative) TRS S consists of the following rules:

   encArg(s(x_1)) -> s(encArg(x_1))
   encArg(0) -> 0
   encArg(cons_f(x_1)) -> f(encArg(x_1))
   encArg(cons_g(x_1)) -> g(encArg(x_1))
   encode_f(x_1) -> f(encArg(x_1))
   encode_s(x_1) -> s(encArg(x_1))
   encode_g(x_1) -> g(encArg(x_1))
   encode_0 -> 0

Rewrite Strategy: INNERMOST