Certification Problem

Input (TPDB TRS_Innermost/AG01_innermost/#4.4)

The rewrite relation of the following TRS is considered.

f(g(x),x,y) f(y,y,g(y)) (1)
g(g(x)) g(x) (2)
The evaluation strategy is innermost.

Property / Task

Prove or disprove termination.

Answer / Result

Yes.

Proof (by AProVE @ termCOMP 2023)

1 Dependency Pair Transformation

The following set of initial dependency pairs has been identified.
f#(g(x),x,y) f#(y,y,g(y)) (3)
f#(g(x),x,y) g#(y) (4)

1.1 Dependency Graph Processor

The dependency pairs are split into 0 components.