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Proof step 16 from proof junkrefs-put-badfield (previous step)

st[r -- mkfs(class, ty1, fieldvar) '] = refval(r2), mkfs(class, ty1, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), st[r -- _type] .type ≤ ty, is_obj(str, r, st[r0 -- fs ', val]), junkrefs(str, r2 ' + refs, ty1, st[r0 -- fs ', val]), r ≠ r0 ∨ mkfs(class, ty1, fieldvar) ≠ fs, r ≠ r0 ∨ _type ≠ fs ', ∀ str0, ty0, st0, r1, fs1, val0. junkrefs(str0, r2 ' + refs, ty0, st0[r1 -- fs1 ', val0]) → junkrefs(str0, r2 ' + refs, ty0, st0) ∨ is_typevalue(st0[r1 -- _type]) ∧ is_reftype(st0[r1 -- _type] .type) ⊦ r = jvmref, junkrefs(str, r2 ' + refs, ty1, st), is_typevalue(st[r0 -- _type]) ∧ is_reftype(st[r0 -- _type] .type)

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 9, [extquanttermlist: (str, ty1, st, r0, fs, val) abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])], [EXTRATERMS : (str, ty1, st, r0, fs, val)]]