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Proof step 41 from proof fits-put-04 (previous step)

st[r -- i '] = refval(r0), is_array(str, r, st), 0 ≤ i, 0 < st[r -- _length] .intval, i < st[r -- _length] .intval, is_arraytype(st[r -- _type] .type), fits(r0, sks0, st), is_bytevalue(st[r1 -- fs ']), is_referencevalue(st[r0 -- sks0]), junkref(str, r0, st), r ≠ r1 ∨ _length ≠ fs ', r ≠ r1 ∨ _type ≠ fs ' ⊦ sks0 = [], r = jvmref, fits(r0, sks0, st[r1 -- fs ', byteval(by)]), junkref(str, r, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: , is_array(str, r, st) → ( junkref(str, r, st) ↔ (∃ i. 0 ≤ i ∧ i < st[r -- _length] .intval ∧ is_referencevalue(st[r -- i ']) ∧ st[r -- i '] .refval ≠ jvmref ∧ ( ¬ st[st[r -- i '] .refval -- _type] .type ≤ st[r -- _type] .type .type ∨ junkref(str, st[r -- i '] .refval, st)))) ,[st, r, str] → [st, r, str] ,F ,junkrefs , ,junkref-array ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, r, str)]]