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Proof step 20 from proof junkref-addobj-01 (previous step)

fis[mkfs(class0, ty, fieldvar) '] = refval(r0), fis .keys = instfields(class), st[r0 -- mkfs(class1, ty0, fieldvar0) '] = refval(r1), junkrefs(str, r1 ' + refs0, ty0, st), mkfs(class1, ty0, fieldvar0) ' ∈ instfields(st[r0 -- _type] .type .class), newref(r, st), class+∃(str, class), validfieldinits(fis, st), mkfs(class0, ty, fieldvar) ' ∈ instfields(class), junkrefs(str, r0 ' + r1 ' + refs0, ty, addobj(r, class, fis, st)), mkfs(class0, ty, fieldvar) ' ∈ fis, is_obj(str, r0, st), st[r0 -- _type] .type ≤ ty ⊦ r0 = jvmref, r = jvmref, is_abstract(class), ∃ fs. fs ' ∈ instfields(st[r0 -- _type] .type .class) ∧ is_referencevalue(st[r0 -- fs ']) ∧ r1 = st[r0 -- fs '] .refval ∧ junkrefs(str, st[r0 -- fs '] .refval ' + refs0, fs .type, st)

User applied rule exists right

And closed the goal!

Rule argument

[EXRARG : pos: right 4, [extquanttermlist: (mkfs(class1, ty0, fieldvar0)) abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .type = ty], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ is_referencevalue(refval(r))], [CSIMPSEQ : ⊦ refval(r) .refval = r])], [EXTRATERMS : (mkfs(class1, ty0, fieldvar0))]]