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Proof step 8 from proof validref-addarray-same (previous step)

⊦ r = jvmref, junkref(str, r, addarray(r, ty, i, st)), ¬ i < 0 ∧ type∃(str, ty) ∧ ty .jtelemtype ≠ abstract_type ∧ ty .jtelemtype ≠ void_type

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ r ≠ jvmref ∧ ¬ is_valid_ref(str, r, st) → junkref(str, r, st)
Proof step 7:
¬ (r ≠ jvmref ∧ ¬ is_valid_ref(str, r, addarray(r, ty, i, st))) ⊦ r = jvmref, junkref(str, r, addarray(r, ty, i, st)), ¬ i < 0 ∧ type∃(str, ty) ∧ ty .jtelemtype ≠ abstract_type ∧ ty .jtelemtype ≠ void_type

Rule argument

[crewrite-arg: junkref-is-junk , F , [st, r, str] → [addarray(r, ty, i, st), r, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (addarray(r, ty, i, st), r, str)]]