YES

The TRS could be proven terminating. The proof took 412 ms.

The following DP Processors were used


Problem 1 was processed with processor DependencyGraph (315ms).
 | – Problem 2 was processed with processor SubtermCriterion (25ms).
 | – Problem 3 was processed with processor SubtermCriterion (1ms).

Problem 1: DependencyGraph



Dependency Pair Problem

Dependency Pairs

D#(m(x, y)) → D#(x)D#(opp(x)) → D#(x)
D#(b(x, y)) → D#(x)D#(ln(x)) → D#(x)
b#(s(x), s(y)) → b#(x, y)D#(c(x, y)) → D#(x)
D#(pow(x, y)) → D#(x)D#(div(x, y)) → D#(x)
D#(div(x, y)) → D#(y)D#(c(x, y)) → b#(c(y, D(x)), c(x, D(y)))
D#(m(x, y)) → D#(y)D#(pow(x, y)) → b#(c(c(y, pow(x, m(y, 1))), D(x)), c(c(pow(x, y), ln(x)), D(y)))
D#(b(x, y)) → b#(D(x), D(y))b#(b(x, y), z) → b#(x, b(y, z))
D#(c(x, y)) → D#(y)D#(b(x, y)) → D#(y)
b#(b(x, y), z) → b#(y, z)D#(pow(x, y)) → D#(y)

Rewrite Rules

D(t) → s(h)D(constant) → h
D(b(x, y)) → b(D(x), D(y))D(c(x, y)) → b(c(y, D(x)), c(x, D(y)))
D(m(x, y)) → m(D(x), D(y))D(opp(x)) → opp(D(x))
D(div(x, y)) → m(div(D(x), y), div(c(x, D(y)), pow(y, 2)))D(ln(x)) → div(D(x), x)
D(pow(x, y)) → b(c(c(y, pow(x, m(y, 1))), D(x)), c(c(pow(x, y), ln(x)), D(y)))b(h, x) → x
b(x, h) → xb(s(x), s(y)) → s(s(b(x, y)))
b(b(x, y), z) → b(x, b(y, z))

Original Signature

Termination of terms over the following signature is verified: D, ln, constant, opp, pow, b, c, div, m, h, 2, 1, t, s

Strategy


The following SCCs where found

b#(b(x, y), z) → b#(x, b(y, z))b#(s(x), s(y)) → b#(x, y)
b#(b(x, y), z) → b#(y, z)

D#(opp(x)) → D#(x)D#(m(x, y)) → D#(x)
D#(b(x, y)) → D#(x)D#(ln(x)) → D#(x)
D#(c(x, y)) → D#(x)D#(pow(x, y)) → D#(x)
D#(c(x, y)) → D#(y)D#(div(x, y)) → D#(y)
D#(div(x, y)) → D#(x)D#(b(x, y)) → D#(y)
D#(m(x, y)) → D#(y)D#(pow(x, y)) → D#(y)

Problem 2: SubtermCriterion



Dependency Pair Problem

Dependency Pairs

b#(b(x, y), z) → b#(x, b(y, z))b#(s(x), s(y)) → b#(x, y)
b#(b(x, y), z) → b#(y, z)

Rewrite Rules

D(t) → s(h)D(constant) → h
D(b(x, y)) → b(D(x), D(y))D(c(x, y)) → b(c(y, D(x)), c(x, D(y)))
D(m(x, y)) → m(D(x), D(y))D(opp(x)) → opp(D(x))
D(div(x, y)) → m(div(D(x), y), div(c(x, D(y)), pow(y, 2)))D(ln(x)) → div(D(x), x)
D(pow(x, y)) → b(c(c(y, pow(x, m(y, 1))), D(x)), c(c(pow(x, y), ln(x)), D(y)))b(h, x) → x
b(x, h) → xb(s(x), s(y)) → s(s(b(x, y)))
b(b(x, y), z) → b(x, b(y, z))

Original Signature

Termination of terms over the following signature is verified: D, ln, constant, opp, pow, b, c, div, m, h, 2, 1, t, s

Strategy


Projection

The following projection was used:

Thus, the following dependency pairs are removed:

b#(b(x, y), z) → b#(x, b(y, z))b#(s(x), s(y)) → b#(x, y)
b#(b(x, y), z) → b#(y, z)

Problem 3: SubtermCriterion



Dependency Pair Problem

Dependency Pairs

D#(opp(x)) → D#(x)D#(m(x, y)) → D#(x)
D#(b(x, y)) → D#(x)D#(ln(x)) → D#(x)
D#(c(x, y)) → D#(x)D#(c(x, y)) → D#(y)
D#(pow(x, y)) → D#(x)D#(div(x, y)) → D#(y)
D#(div(x, y)) → D#(x)D#(b(x, y)) → D#(y)
D#(m(x, y)) → D#(y)D#(pow(x, y)) → D#(y)

Rewrite Rules

D(t) → s(h)D(constant) → h
D(b(x, y)) → b(D(x), D(y))D(c(x, y)) → b(c(y, D(x)), c(x, D(y)))
D(m(x, y)) → m(D(x), D(y))D(opp(x)) → opp(D(x))
D(div(x, y)) → m(div(D(x), y), div(c(x, D(y)), pow(y, 2)))D(ln(x)) → div(D(x), x)
D(pow(x, y)) → b(c(c(y, pow(x, m(y, 1))), D(x)), c(c(pow(x, y), ln(x)), D(y)))b(h, x) → x
b(x, h) → xb(s(x), s(y)) → s(s(b(x, y)))
b(b(x, y), z) → b(x, b(y, z))

Original Signature

Termination of terms over the following signature is verified: D, ln, constant, opp, pow, b, c, div, m, h, 2, 1, t, s

Strategy


Projection

The following projection was used:

Thus, the following dependency pairs are removed:

D#(m(x, y)) → D#(x)D#(opp(x)) → D#(x)
D#(b(x, y)) → D#(x)D#(ln(x)) → D#(x)
D#(c(x, y)) → D#(x)D#(c(x, y)) → D#(y)
D#(pow(x, y)) → D#(x)D#(div(x, y)) → D#(x)
D#(div(x, y)) → D#(y)D#(m(x, y)) → D#(y)
D#(b(x, y)) → D#(y)D#(pow(x, y)) → D#(y)