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Proof step 13 from proof okbar-nopath (previous step)

okbytearray(r, st), ∃ refs. refs ≠ [] ∧ refs .first = r ∧ refs .last = r0 ∧ validrefs(str, refs, mkclasstype(`java.lang.Object' .class), st) ⊦ r = r0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
okbytearray(refs .first, st), validrefs(str, refs, mkclasstype(`java.lang.Object' .class), st) ⊦ refs .first = refs .last, refs = []

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]