/export/starexec/sandbox2/solver/bin/starexec_run_rcdcRelativeAlsoLower /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files


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


WORST_CASE(?, O(n^2))
proof of /export/starexec/sandbox2/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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty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(1, n^2).

(0) DCpxTrs
(1) DerivationalComplexityToRuntimeComplexityProof [BOTH BOUNDS(ID, ID), 0 ms]
(2) CpxRelTRS
(3) SInnermostTerminationProof [BOTH CONCRETE BOUNDS(ID, ID), 170 ms]
(4) CpxRelTRS
(5) CpxTrsToCdtProof [UPPER BOUND(ID), 0 ms]
(6) CdtProblem
(7) CdtLeafRemovalProof [ComplexityIfPolyImplication, 0 ms]
(8) CdtProblem
(9) CdtRhsSimplificationProcessorProof [BOTH BOUNDS(ID, ID), 0 ms]
(10) CdtProblem
(11) CdtGraphSplitRhsProof [BOTH BOUNDS(ID, ID), 0 ms]
(12) CdtProblem
(13) CdtLeafRemovalProof [ComplexityIfPolyImplication, 0 ms]
(14) CdtProblem
(15) CdtUsableRulesProof [BOTH BOUNDS(ID, ID), 5 ms]
(16) CdtProblem
(17) CdtRuleRemovalProof [UPPER BOUND(ADD(n^1)), 59 ms]
(18) CdtProblem
(19) CdtRuleRemovalProof [UPPER BOUND(ADD(n^2)), 56 ms]
(20) CdtProblem
(21) SIsEmptyProof [BOTH BOUNDS(ID, ID), 0 ms]
(22) BOUNDS(1, 1)


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

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


The TRS R consists of the following rules:

   f(s(X), X) -> f(X, a(X))
   f(X, c(X)) -> f(s(X), X)
   f(X, X) -> c(X)

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(a(x_1)) -> a(encArg(x_1))
   encArg(c(x_1)) -> c(encArg(x_1))
   encArg(cons_f(x_1, x_2)) -> f(encArg(x_1), encArg(x_2))
   encode_f(x_1, x_2) -> f(encArg(x_1), encArg(x_2))
   encode_s(x_1) -> s(encArg(x_1))
   encode_a(x_1) -> a(encArg(x_1))
   encode_c(x_1) -> c(encArg(x_1))


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

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


The TRS R consists of the following rules:

   f(s(X), X) -> f(X, a(X))
   f(X, c(X)) -> f(s(X), X)
   f(X, X) -> c(X)

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

   encArg(s(x_1)) -> s(encArg(x_1))
   encArg(a(x_1)) -> a(encArg(x_1))
   encArg(c(x_1)) -> c(encArg(x_1))
   encArg(cons_f(x_1, x_2)) -> f(encArg(x_1), encArg(x_2))
   encode_f(x_1, x_2) -> f(encArg(x_1), encArg(x_2))
   encode_s(x_1) -> s(encArg(x_1))
   encode_a(x_1) -> a(encArg(x_1))
   encode_c(x_1) -> c(encArg(x_1))

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(1, n^2).


The TRS R consists of the following rules:

   f(s(X), X) -> f(X, a(X))
   f(X, c(X)) -> f(s(X), X)
   f(X, X) -> c(X)

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

   encArg(s(x_1)) -> s(encArg(x_1))
   encArg(a(x_1)) -> a(encArg(x_1))
   encArg(c(x_1)) -> c(encArg(x_1))
   encArg(cons_f(x_1, x_2)) -> f(encArg(x_1), encArg(x_2))
   encode_f(x_1, x_2) -> f(encArg(x_1), encArg(x_2))
   encode_s(x_1) -> s(encArg(x_1))
   encode_a(x_1) -> a(encArg(x_1))
   encode_c(x_1) -> c(encArg(x_1))

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(a(z0)) -> a(encArg(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   encode_f(z0, z1) -> f(encArg(z0), encArg(z1))
   encode_s(z0) -> s(encArg(z0))
   encode_a(z0) -> a(encArg(z0))
   encode_c(z0) -> c(encArg(z0))
   f(s(z0), z0) -> f(z0, a(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   f(z0, z0) -> c(z0)
Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   ENCODE_F(z0, z1) -> c5(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   ENCODE_S(z0) -> c6(ENCARG(z0))
   ENCODE_A(z0) -> c7(ENCARG(z0))
   ENCODE_C(z0) -> c8(ENCARG(z0))
   F(s(z0), z0) -> c9(F(z0, a(z0)))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
S tuples:
   F(s(z0), z0) -> c9(F(z0, a(z0)))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
K tuples:none
Defined Rule Symbols:   f_2, encArg_1, encode_f_2, encode_s_1, encode_a_1, encode_c_1

Defined Pair Symbols:   ENCARG_1, ENCODE_F_2, ENCODE_S_1, ENCODE_A_1, ENCODE_C_1, F_2

Compound Symbols:   c1_1, c2_1, c3_1, c4_3, c5_3, c6_1, c7_1, c8_1, c9_1, c10_1, c11


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

(7) CdtLeafRemovalProof (ComplexityIfPolyImplication)
Removed 3 leading nodes:
   ENCODE_S(z0) -> c6(ENCARG(z0))
   ENCODE_A(z0) -> c7(ENCARG(z0))
   ENCODE_C(z0) -> c8(ENCARG(z0))

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

(8)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(a(z0)) -> a(encArg(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   encode_f(z0, z1) -> f(encArg(z0), encArg(z1))
   encode_s(z0) -> s(encArg(z0))
   encode_a(z0) -> a(encArg(z0))
   encode_c(z0) -> c(encArg(z0))
   f(s(z0), z0) -> f(z0, a(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   f(z0, z0) -> c(z0)
Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   ENCODE_F(z0, z1) -> c5(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(s(z0), z0) -> c9(F(z0, a(z0)))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
S tuples:
   F(s(z0), z0) -> c9(F(z0, a(z0)))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
K tuples:none
Defined Rule Symbols:   f_2, encArg_1, encode_f_2, encode_s_1, encode_a_1, encode_c_1

Defined Pair Symbols:   ENCARG_1, ENCODE_F_2, F_2

Compound Symbols:   c1_1, c2_1, c3_1, c4_3, c5_3, c9_1, c10_1, c11


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

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

(10)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(a(z0)) -> a(encArg(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   encode_f(z0, z1) -> f(encArg(z0), encArg(z1))
   encode_s(z0) -> s(encArg(z0))
   encode_a(z0) -> a(encArg(z0))
   encode_c(z0) -> c(encArg(z0))
   f(s(z0), z0) -> f(z0, a(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   f(z0, z0) -> c(z0)
Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   ENCODE_F(z0, z1) -> c5(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
S tuples:
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
K tuples:none
Defined Rule Symbols:   f_2, encArg_1, encode_f_2, encode_s_1, encode_a_1, encode_c_1

Defined Pair Symbols:   ENCARG_1, ENCODE_F_2, F_2

Compound Symbols:   c1_1, c2_1, c3_1, c4_3, c5_3, c10_1, c11, c9


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

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

(12)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(a(z0)) -> a(encArg(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   encode_f(z0, z1) -> f(encArg(z0), encArg(z1))
   encode_s(z0) -> s(encArg(z0))
   encode_a(z0) -> a(encArg(z0))
   encode_c(z0) -> c(encArg(z0))
   f(s(z0), z0) -> f(z0, a(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   f(z0, z0) -> c(z0)
Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
   ENCODE_F(z0, z1) -> c6(F(encArg(z0), encArg(z1)))
   ENCODE_F(z0, z1) -> c6(ENCARG(z0))
   ENCODE_F(z0, z1) -> c6(ENCARG(z1))
S tuples:
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
K tuples:none
Defined Rule Symbols:   f_2, encArg_1, encode_f_2, encode_s_1, encode_a_1, encode_c_1

Defined Pair Symbols:   ENCARG_1, F_2, ENCODE_F_2

Compound Symbols:   c1_1, c2_1, c3_1, c4_3, c10_1, c11, c9, c6_1


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

(13) CdtLeafRemovalProof (ComplexityIfPolyImplication)
Removed 2 leading nodes:
   ENCODE_F(z0, z1) -> c6(ENCARG(z0))
   ENCODE_F(z0, z1) -> c6(ENCARG(z1))

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

(14)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(a(z0)) -> a(encArg(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   encode_f(z0, z1) -> f(encArg(z0), encArg(z1))
   encode_s(z0) -> s(encArg(z0))
   encode_a(z0) -> a(encArg(z0))
   encode_c(z0) -> c(encArg(z0))
   f(s(z0), z0) -> f(z0, a(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   f(z0, z0) -> c(z0)
Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
   ENCODE_F(z0, z1) -> c6(F(encArg(z0), encArg(z1)))
S tuples:
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
K tuples:none
Defined Rule Symbols:   f_2, encArg_1, encode_f_2, encode_s_1, encode_a_1, encode_c_1

Defined Pair Symbols:   ENCARG_1, F_2, ENCODE_F_2

Compound Symbols:   c1_1, c2_1, c3_1, c4_3, c10_1, c11, c9, c6_1


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

(15) CdtUsableRulesProof (BOTH BOUNDS(ID, ID))
The following rules are not usable and were removed:
   encode_f(z0, z1) -> f(encArg(z0), encArg(z1))
   encode_s(z0) -> s(encArg(z0))
   encode_a(z0) -> a(encArg(z0))
   encode_c(z0) -> c(encArg(z0))

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

(16)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(a(z0)) -> a(encArg(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   f(s(z0), z0) -> f(z0, a(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   f(z0, z0) -> c(z0)
Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
   ENCODE_F(z0, z1) -> c6(F(encArg(z0), encArg(z1)))
S tuples:
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
K tuples:none
Defined Rule Symbols:   encArg_1, f_2

Defined Pair Symbols:   ENCARG_1, F_2, ENCODE_F_2

Compound Symbols:   c1_1, c2_1, c3_1, c4_3, c10_1, c11, c9, c6_1


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

(17) CdtRuleRemovalProof (UPPER BOUND(ADD(n^1)))
Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
We considered the (Usable) Rules:none
And the Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
   ENCODE_F(z0, z1) -> c6(F(encArg(z0), encArg(z1)))
The order we found is given by the following interpretation:

Polynomial interpretation :

   POL(ENCARG(x_1)) = [2]x_1
   POL(ENCODE_F(x_1, x_2)) = [1] + x_2
   POL(F(x_1, x_2)) = [1]
   POL(a(x_1)) = [3] + x_1
   POL(c(x_1)) = [3] + x_1
   POL(c1(x_1)) = x_1
   POL(c10(x_1)) = x_1
   POL(c11) = 0
   POL(c2(x_1)) = x_1
   POL(c3(x_1)) = x_1
   POL(c4(x_1, x_2, x_3)) = x_1 + x_2 + x_3
   POL(c6(x_1)) = x_1
   POL(c9) = 0
   POL(cons_f(x_1, x_2)) = [1] + x_1 + x_2
   POL(encArg(x_1)) = 0
   POL(f(x_1, x_2)) = [3]
   POL(s(x_1)) = [3] + x_1

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

(18)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(a(z0)) -> a(encArg(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   f(s(z0), z0) -> f(z0, a(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   f(z0, z0) -> c(z0)
Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
   ENCODE_F(z0, z1) -> c6(F(encArg(z0), encArg(z1)))
S tuples:
   F(z0, c(z0)) -> c10(F(s(z0), z0))
K tuples:
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
Defined Rule Symbols:   encArg_1, f_2

Defined Pair Symbols:   ENCARG_1, F_2, ENCODE_F_2

Compound Symbols:   c1_1, c2_1, c3_1, c4_3, c10_1, c11, c9, c6_1


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

(19) CdtRuleRemovalProof (UPPER BOUND(ADD(n^2)))
Found a reduction pair which oriented the following tuples strictly. Hence they can be removed from S.
   F(z0, c(z0)) -> c10(F(s(z0), z0))
We considered the (Usable) Rules:
   encArg(s(z0)) -> s(encArg(z0))
   f(s(z0), z0) -> f(z0, a(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(a(z0)) -> a(encArg(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   f(z0, z0) -> c(z0)
And the Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
   ENCODE_F(z0, z1) -> c6(F(encArg(z0), encArg(z1)))
The order we found is given by the following interpretation:

Polynomial interpretation :

   POL(ENCARG(x_1)) = x_1^2
   POL(ENCODE_F(x_1, x_2)) = [2] + [2]x_1 + [2]x_2 + [2]x_2^2 + x_1*x_2 + x_1^2
   POL(F(x_1, x_2)) = x_2
   POL(a(x_1)) = x_1
   POL(c(x_1)) = [1] + x_1
   POL(c1(x_1)) = x_1
   POL(c10(x_1)) = x_1
   POL(c11) = 0
   POL(c2(x_1)) = x_1
   POL(c3(x_1)) = x_1
   POL(c4(x_1, x_2, x_3)) = x_1 + x_2 + x_3
   POL(c6(x_1)) = x_1
   POL(c9) = 0
   POL(cons_f(x_1, x_2)) = [1] + x_1 + x_2
   POL(encArg(x_1)) = x_1
   POL(f(x_1, x_2)) = [1] + x_1 + x_2
   POL(s(x_1)) = x_1

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

(20)
Obligation:
Complexity Dependency Tuples Problem

Rules:
   encArg(s(z0)) -> s(encArg(z0))
   encArg(a(z0)) -> a(encArg(z0))
   encArg(c(z0)) -> c(encArg(z0))
   encArg(cons_f(z0, z1)) -> f(encArg(z0), encArg(z1))
   f(s(z0), z0) -> f(z0, a(z0))
   f(z0, c(z0)) -> f(s(z0), z0)
   f(z0, z0) -> c(z0)
Tuples:
   ENCARG(s(z0)) -> c1(ENCARG(z0))
   ENCARG(a(z0)) -> c2(ENCARG(z0))
   ENCARG(c(z0)) -> c3(ENCARG(z0))
   ENCARG(cons_f(z0, z1)) -> c4(F(encArg(z0), encArg(z1)), ENCARG(z0), ENCARG(z1))
   F(z0, c(z0)) -> c10(F(s(z0), z0))
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
   ENCODE_F(z0, z1) -> c6(F(encArg(z0), encArg(z1)))
S tuples:none
K tuples:
   F(z0, z0) -> c11
   F(s(z0), z0) -> c9
   F(z0, c(z0)) -> c10(F(s(z0), z0))
Defined Rule Symbols:   encArg_1, f_2

Defined Pair Symbols:   ENCARG_1, F_2, ENCODE_F_2

Compound Symbols:   c1_1, c2_1, c3_1, c4_3, c10_1, c11, c9, c6_1


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(21) SIsEmptyProof (BOTH BOUNDS(ID, ID))
The set S is empty
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(22)
BOUNDS(1, 1)