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Proof step 55 from proof junkrefs-put-nopathexplus-equiv (previous step)

st[r -- mkfs(class, ty0, fieldvar) '] = refval(r1), junkrefs(str, r1 ' + refs1, ty0, st), mkfs(class, ty0, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), st[r -- _type] .type ≤ ty, ∀ val, sk, r0, st0, ty, r2, str, refs. # refs < # (r1 + refs1) → (junkrefs(str, r2 ' + refs, ty, st0) → junkrefs(str, r2 ' + refs, ty, st0[r0 -- sk, val]) ∨ sk = _type ∨ path∃+(str, r2, r0, st0)) ⊦ r = r0, r = jvmref, sk = _type, path∃+(str, r, r0, st), ∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- fs ']) ∧ r1 = st[r -- fs '] .refval ∧ junkrefs(str, st[r -- fs '] .refval ' + refs1, fs .type, st[r0 -- sk, val])

User applied rule exists right

And obtained the following new goals

Proof step 54:
st[r -- mkfs(class, ty0, fieldvar) '] = refval(r1), junkrefs(str, r1 ' + refs1, ty0, st), mkfs(class, ty0, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), st[r -- _type] .type ≤ ty, ∀ val, sk, r0, st0, ty, r2, str, refs. # refs < # (r1 + refs1) → (junkrefs(str, r2 ' + refs, ty, st0) → junkrefs(str, r2 ' + refs, ty, st0[r0 -- sk, val]) ∨ sk = _type ∨ path∃+(str, r2, r0, st0)) ⊦ r = r0, r = jvmref, sk = _type, path∃+(str, r, r0, st), mkfs(class, ty0, fieldvar) ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- mkfs(class, ty0, fieldvar) ']) ∧ r1 = st[r -- mkfs(class, ty0, fieldvar) '] .refval ∧ junkrefs(str, st[r -- mkfs(class, ty0, fieldvar) '] .refval ' + refs1, mkfs(class, ty0, fieldvar) .type, st[r0 -- sk, val])

Rule argument

[EXRARG : pos: right 5, [extquanttermlist: (mkfs(class, ty0, fieldvar)) abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (mkfs(class, ty0, fieldvar))]]