TIMEOUT

The TRS could not be proven terminating. The proof attempt took 60044 ms.

The following DP Processors were used


Problem 1 was processed with processor DependencyGraph (111ms).
 | – Problem 2 remains open; application of the following processors failed [SubtermCriterion (13ms), DependencyGraph (10ms), PolynomialLinearRange4iUR (175ms), DependencyGraph (10ms), PolynomialLinearRange8NegiUR (471ms), DependencyGraph (10ms), ReductionPairSAT (timeout)].

The following open problems remain:



Open Dependency Pair Problem 2

Dependency Pairs

e1#(h1, h2, x, y, z)e2#(x, x, y, z, z)e3#(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)e4#(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)
e2#(f1, x, y, z, f2)e3#(x, y, x, y, y, z, y, z, x, y, z)e4#(g1, x1, g2, x1, g1, x1, g2, x1, x, y, z)e1#(x1, x1, x, y, z)

Rewrite Rules

f1g1f1g2
f2g1f2g2
g1h1g1h2
g2h1g2h2
h1ih2i
e1(h1, h2, x, y, z)e2(x, x, y, z, z)e1(x1, x1, x, y, z)e5(x1, x, y, z)
e2(f1, x, y, z, f2)e3(x, y, x, y, y, z, y, z, x, y, z)e2(x, x, y, z, z)e6(x, y, z)
e2(i, x, y, z, i)e6(x, y, z)e3(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)e4(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)
e3(x, y, x, y, y, z, y, z, x, y, z)e6(x, y, z)e4(g1, x1, g2, x1, g1, x1, g2, x1, x, y, z)e1(x1, x1, x, y, z)
e4(i, x1, i, x1, i, x1, i, x1, x, y, z)e5(x1, x, y, z)e4(x, x, x, x, x, x, x, x, x, x, x)e6(x, x, x)
e5(i, x, y, z)e6(x, y, z)

Original Signature

Termination of terms over the following signature is verified: e6, i, e5, e3, e4, e1, e2, g2, g1, f1, h1, f2, h2


Problem 1: DependencyGraph



Dependency Pair Problem

Dependency Pairs

e1#(h1, h2, x, y, z)e2#(x, x, y, z, z)e1#(x1, x1, x, y, z)e5#(x1, x, y, z)
e4#(i, x1, i, x1, i, x1, i, x1, x, y, z)e5#(x1, x, y, z)g2#h2#
g1#h1#e3#(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)e4#(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)
f2#g1#e2#(f1, x, y, z, f2)e3#(x, y, x, y, y, z, y, z, x, y, z)
f1#g1#f2#g2#
g1#h2#g2#h1#
f1#g2#e4#(g1, x1, g2, x1, g1, x1, g2, x1, x, y, z)e1#(x1, x1, x, y, z)

Rewrite Rules

f1g1f1g2
f2g1f2g2
g1h1g1h2
g2h1g2h2
h1ih2i
e1(h1, h2, x, y, z)e2(x, x, y, z, z)e1(x1, x1, x, y, z)e5(x1, x, y, z)
e2(f1, x, y, z, f2)e3(x, y, x, y, y, z, y, z, x, y, z)e2(x, x, y, z, z)e6(x, y, z)
e2(i, x, y, z, i)e6(x, y, z)e3(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)e4(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)
e3(x, y, x, y, y, z, y, z, x, y, z)e6(x, y, z)e4(g1, x1, g2, x1, g1, x1, g2, x1, x, y, z)e1(x1, x1, x, y, z)
e4(i, x1, i, x1, i, x1, i, x1, x, y, z)e5(x1, x, y, z)e4(x, x, x, x, x, x, x, x, x, x, x)e6(x, x, x)
e5(i, x, y, z)e6(x, y, z)

Original Signature

Termination of terms over the following signature is verified: e6, i, e5, e3, e4, e1, e2, g2, g1, f1, h1, f2, h2

Strategy


The following SCCs where found

e1#(h1, h2, x, y, z) → e2#(x, x, y, z, z)e3#(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z) → e4#(x1, x1, x2, x2, x3, x3, x4, x4, x, y, z)
e2#(f1, x, y, z, f2) → e3#(x, y, x, y, y, z, y, z, x, y, z)e4#(g1, x1, g2, x1, g1, x1, g2, x1, x, y, z) → e1#(x1, x1, x, y, z)