Certification Problem

Input (TPDB TRS_Innermost/Mixed_innermost/innermost1)

The rewrite relation of the following TRS is considered.

f(a(x),y) g(x,y) (1)
g(b,y) f(y,y) (2)
a(b) c (3)
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#(a(x),y) g#(x,y) (4)
g#(b,y) f#(y,y) (5)

1.1 Dependency Graph Processor

The dependency pairs are split into 0 components.