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Proof step 7 from proof junkrefs-put-null-02 (previous step)

st[r0 -- mkfs(class, ty1, fieldvar) '] = refval(r2), is_reftype(st[r -- _type] .type .type), st[r0 -- _type] .type ≤ ty, is_obj(str, r0, st), mkfs(class, ty1, fieldvar) ' ∈ instfields(st[r0 -- _type] .type .class), junkrefs(str, r2 ' + refs, ty1, st[r -- i ', refval(jvmref)]), ∀ st0, r1, str0, ty0, i0. is_reftype(st0[r1 -- _type] .type .type) ∧ junkrefs(str0, r2 ' + refs, ty0, st0[r1 -- i0 ', refval(jvmref)]) → r1 = jvmref ∨ junkrefs(str0, r2 ' + refs, ty0, st0) ⊦ r0 = jvmref, r = jvmref, junkrefs(str, r2 ' + refs, ty1, st)

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 7, [QUANTTERMLIST : (st, r, str, ty1, i)]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])], [EXTRATERMS : (st, r, str, ty1, i)]]