NO
0 QTRS
↳1 NonTerminationProof (⇒, 47 ms)
↳2 NO
Begin(a(x)) → Wait(Right1(x))
Begin(a(x)) → Wait(Right2(x))
Begin(b(c(x))) → Wait(Right3(x))
Begin(c(x)) → Wait(Right4(x))
Begin(b(x)) → Wait(Right5(x))
Begin(a(x)) → Wait(Right6(x))
Right1(a(End(x))) → Left(b(End(x)))
Right2(b(End(x))) → Left(a(b(End(x))))
Right3(b(End(x))) → Left(c(a(End(x))))
Right4(b(b(End(x)))) → Left(c(a(End(x))))
Right5(b(End(x))) → Left(a(a(a(End(x)))))
Right6(c(End(x))) → Left(b(a(c(End(x)))))
Right1(a(x)) → Aa(Right1(x))
Right2(a(x)) → Aa(Right2(x))
Right3(a(x)) → Aa(Right3(x))
Right4(a(x)) → Aa(Right4(x))
Right5(a(x)) → Aa(Right5(x))
Right6(a(x)) → Aa(Right6(x))
Right1(b(x)) → Ab(Right1(x))
Right2(b(x)) → Ab(Right2(x))
Right3(b(x)) → Ab(Right3(x))
Right4(b(x)) → Ab(Right4(x))
Right5(b(x)) → Ab(Right5(x))
Right6(b(x)) → Ab(Right6(x))
Right1(c(x)) → Ac(Right1(x))
Right2(c(x)) → Ac(Right2(x))
Right3(c(x)) → Ac(Right3(x))
Right4(c(x)) → Ac(Right4(x))
Right5(c(x)) → Ac(Right5(x))
Right6(c(x)) → Ac(Right6(x))
Aa(Left(x)) → Left(a(x))
Ab(Left(x)) → Left(b(x))
Ac(Left(x)) → Left(c(x))
Wait(Left(x)) → Begin(x)
a(a(x)) → b(x)
b(a(x)) → a(b(x))
b(b(c(x))) → c(a(x))
b(b(x)) → a(a(a(x)))
c(a(x)) → b(a(c(x)))
Wait Left a b End → Wait Left a b End
Wait Left a → Wait Right2
by OverlapClosure OC 2Wait Left → Begin
by original rule (OC 1)Begin a → Wait Right2
by original rule (OC 1)
Right2 b End → Left a b End
by original rule (OC 1)