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Proof step 26 from proof junkref-class (previous step)

st[r -- mkfs(class, ty, fieldvar) '] = refval(r0), mkfs(class, ty, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st) ⊦ r0 = jvmref, st[r0 -- _type] .type ≤ ty, ∃ fs. fs ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- fs ']) ∧ r0 = st[r -- fs '] .refval ∧ junkrefs(str, st[r -- fs '] .refval ', fs .type, st)

User applied rule exists right

And obtained the following new goals

Proof step 25:
st[r -- mkfs(class, ty, fieldvar) '] = refval(r0), mkfs(class, ty, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st) ⊦ r0 = jvmref, st[r0 -- _type] .type ≤ ty, mkfs(class, ty, fieldvar) ' ∈ instfields(st[r -- _type] .type .class) ∧ is_referencevalue(st[r -- mkfs(class, ty, fieldvar) ']) ∧ r0 = st[r -- mkfs(class, ty, fieldvar) '] .refval ∧ junkrefs(str, st[r -- mkfs(class, ty, fieldvar) '] .refval ', mkfs(class, ty, fieldvar) .type, st)

Rule argument

[EXRARG : pos: right 3, [extquanttermlist: (mkfs(class, ty, fieldvar)) abort:F , discard:T , computed:T ]]

Additional information

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