(0) Obligation:

The Runtime Complexity (innermost) of the given CpxTRS could be proven to be BOUNDS(1, 1).


The TRS R consists of the following rules:

a__ca__f(g(c))
a__f(g(X)) → g(X)
mark(c) → a__c
mark(f(X)) → a__f(X)
mark(g(X)) → g(X)
a__cc
a__f(X) → f(X)

Rewrite Strategy: INNERMOST

(1) CpxTrsToCdtProof (BOTH BOUNDS(ID, ID) transformation)

Converted Cpx (relative) TRS to CDT

(2) Obligation:

Complexity Dependency Tuples Problem
Rules:

a__ca__f(g(c))
a__cc
a__f(g(z0)) → g(z0)
a__f(z0) → f(z0)
mark(c) → a__c
mark(f(z0)) → a__f(z0)
mark(g(z0)) → g(z0)
Tuples:

A__Cc1(A__F(g(c)))
A__Cc2
A__F(g(z0)) → c3
A__F(z0) → c4
MARK(c) → c5(A__C)
MARK(f(z0)) → c6(A__F(z0))
MARK(g(z0)) → c7
S tuples:

A__Cc1(A__F(g(c)))
A__Cc2
A__F(g(z0)) → c3
A__F(z0) → c4
MARK(c) → c5(A__C)
MARK(f(z0)) → c6(A__F(z0))
MARK(g(z0)) → c7
K tuples:none
Defined Rule Symbols:

a__c, a__f, mark

Defined Pair Symbols:

A__C, A__F, MARK

Compound Symbols:

c1, c2, c3, c4, c5, c6, c7

(3) CdtLeafRemovalProof (BOTH BOUNDS(ID, ID) transformation)

Removed 7 trailing nodes:

MARK(g(z0)) → c7
MARK(f(z0)) → c6(A__F(z0))
MARK(c) → c5(A__C)
A__Cc2
A__F(z0) → c4
A__Cc1(A__F(g(c)))
A__F(g(z0)) → c3

(4) Obligation:

Complexity Dependency Tuples Problem
Rules:

a__ca__f(g(c))
a__cc
a__f(g(z0)) → g(z0)
a__f(z0) → f(z0)
mark(c) → a__c
mark(f(z0)) → a__f(z0)
mark(g(z0)) → g(z0)
Tuples:none
S tuples:none
K tuples:none
Defined Rule Symbols:

a__c, a__f, mark

Defined Pair Symbols:none

Compound Symbols:none

(5) SIsEmptyProof (BOTH BOUNDS(ID, ID) transformation)

The set S is empty

(6) BOUNDS(1, 1)