TIMEOUT

The TRS could not be proven terminating. The proof attempt took 60096 ms.

The following DP Processors were used


Problem 1 remains open; application of the following processors failed [DependencyGraph (95ms), SubtermCriterion (1ms), DependencyGraph (62ms), PolynomialLinearRange4iUR (2506ms), DependencyGraph (57ms), PolynomialLinearRange8NegiUR (15987ms), DependencyGraph (44ms), ReductionPairSAT (timeout)].

The following open problems remain:



Open Dependency Pair Problem 1

Dependency Pairs

app#(app(forall, p), app(app(cons, x), xs)) → app#(app(and, app(p, x)), app(app(forall, p), xs))app#(app(forsome, p), app(app(cons, x), xs)) → app#(forsome, p)
app#(app(forsome, p), app(app(cons, x), xs)) → app#(app(or, app(p, x)), app(app(forsome, p), xs))app#(app(forsome, p), app(app(cons, x), xs)) → app#(app(forsome, p), xs)
app#(app(forall, p), app(app(cons, x), xs)) → app#(forall, p)app#(app(forall, p), app(app(cons, x), xs)) → app#(and, app(p, x))
app#(app(forall, p), app(app(cons, x), xs)) → app#(p, x)app#(app(forall, p), app(app(cons, x), xs)) → app#(app(forall, p), xs)
app#(app(forsome, p), app(app(cons, x), xs)) → app#(p, x)app#(app(forsome, p), app(app(cons, x), xs)) → app#(or, app(p, x))

Rewrite Rules

app(app(and, true), true) → trueapp(app(and, true), false) → false
app(app(and, false), true) → falseapp(app(and, false), false) → false
app(app(or, true), true) → trueapp(app(or, true), false) → true
app(app(or, false), true) → trueapp(app(or, false), false) → false
app(app(forall, p), nil) → trueapp(app(forall, p), app(app(cons, x), xs)) → app(app(and, app(p, x)), app(app(forall, p), xs))
app(app(forsome, p), nil) → falseapp(app(forsome, p), app(app(cons, x), xs)) → app(app(or, app(p, x)), app(app(forsome, p), xs))

Original Signature

Termination of terms over the following signature is verified: app, or, forsome, false, true, forall, cons, nil, and