MAYBE
The TRS could not be proven terminating. The proof attempt took 14940 ms.
Problem 1 remains open; application of the following processors failed [DependencyGraph (31ms), SubtermCriterion (1ms), DependencyGraph (11ms), PolynomialLinearRange4iUR (766ms), DependencyGraph (8ms), PolynomialLinearRange8NegiUR (3041ms), DependencyGraph (7ms), ReductionPairSAT (10805ms), DependencyGraph (7ms), SizeChangePrinciple (16ms)].
ap#(ap(ap(g, x), y), ap(s, z)) | → | ap#(ap(x, y), 0) | ap#(ap(ap(g, x), y), ap(s, z)) | → | ap#(ap(ap(g, x), y), ap(ap(x, y), 0)) | |
ap#(ap(ap(g, x), y), ap(s, z)) | → | ap#(ap(g, x), y) | ap#(ap(ap(g, x), y), ap(s, z)) | → | ap#(x, y) | |
ap#(ap(ap(g, x), y), ap(s, z)) | → | ap#(g, x) |
ap(f, x) | → | x | ap(ap(ap(g, x), y), ap(s, z)) | → | ap(ap(ap(g, x), y), ap(ap(x, y), 0)) |
Termination of terms over the following signature is verified: f, g, 0, s, ap