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Proof step 48 from proof junkref-addobj-01 (previous step)

fis .keys = instfields(class), fis[mkfs(class0, ty, fieldvar) '] = refval(r0), mkfs(class0, ty, fieldvar) ' ∈ fis, junkrefs(str, r0 ' + refs, ty, addobj(r, class, fis, st)), mkfs(class0, ty, fieldvar) ' ∈ instfields(class), validfieldinits(fis, st), class+∃(str, class), newref(r, st), junkrefs(str, r0 ' + refs, ty, st), is_obj(str, r0, st) ∨ is_array(str, r0, st) ⊦ r = jvmref, r0 = jvmref, is_abstract(class), ∃ refs0. refs0 ≠ [] ∧ refs0 .first = r0 ∧ junkrefs(str, refs0, st[refs0 .first -- _type] .type, st)

User applied rule exists right

And obtained the following new goals

Proof step 47:
fis .keys = instfields(class), fis[mkfs(class0, ty, fieldvar) '] = refval(r0), mkfs(class0, ty, fieldvar) ' ∈ fis, junkrefs(str, r0 ' + refs, ty, addobj(r, class, fis, st)), mkfs(class0, ty, fieldvar) ' ∈ instfields(class), validfieldinits(fis, st), class+∃(str, class), newref(r, st), junkrefs(str, r0 ' + refs, ty, st), is_obj(str, r0, st) ∨ is_array(str, r0, st) ⊦ r = jvmref, r0 = jvmref, is_abstract(class), r0 ' + refs ≠ [] ∧ (r0 ' + refs) .first = r0 ∧ junkrefs(str, r0 ' + refs, st[(r0 ' + refs) .first -- _type] .type, st)

Rule argument

[EXRARG : pos: right 4, [extquanttermlist: (r0 ' + refs) abort:F , discard:T , computed:F ]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r0 ' + refs)]]