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Proof step 44 from proof junkrefs-put-nopathex (previous step)

st[r1 -- i '] = refval(r2), path∃(str, r2, r0, st), 0 ≤ i, junkrefs(str, r2 ' + refs, st[r1 -- _type] .type .type, st[r0 -- sk, val]), i < st[r1 -- _length] .intval, st[r1 -- _type] .type ≤ ty, is_array(str, r1, st), 0 < st[r1 -- _length] .intval ⊦ r1 = r0, r1 = jvmref, sk = _type, r2 = jvmref, junkrefs(str, r2 ' + refs, st[r1 -- _type] .type .type, st), st[r2 -- _type] .type ≤ st[r1 -- _type] .type .type

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: , r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty) → junkrefs(str, r ' + refs, ty, st) ,[st, ty, refs, r, str] → [st, st[r1 -- _type] .type .type, refs, r2, str] ,F ,junkrefs , ,junkrefs-is-junk ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])], [EXTRATERMS : (st, st[r1 -- _type] .type .type, refs, r2, str)]]