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Proof step 50 from proof junkrefs-union-disjoint (previous step)

st1[r -- mkfs(class, ty0, fieldvar) '] = refval(r0), st1 .refs ∩ st .refs = ∅, st1[r -- _type] .type ≤ ty, r ∈ st1, junkrefs(str, r0 ' + acc, ty0, st1 ∪ st), mkfs(class, ty0, fieldvar) ' ∈ instfields(st1[r -- _type] .type .class), is_obj(str, r, st1), ∀ st1, st, r, str, ty. st1 .refs ∩ st .refs = ∅ ∧ r ∈ st1 ∧ junkrefs(str, r ' + acc, ty, st1 ∪ st) → junkrefs(str, r ' + acc, ty, st1) ⊦ r = jvmref, r -- mkfs(class, ty0, fieldvar) ' ∈ st, r -- _type ∈ st, junkrefs(str, r0 ' + acc, ty0, st1), ∃ fs0. fs0 ' ∈ instfields(st1[r -- _type] .type .class) ∧ is_referencevalue(st1[r -- fs0 ']) ∧ r0 = st1[r -- fs0 '] .refval ∧ junkrefs(str, st1[r -- fs0 '] .refval ' + acc, fs0 .type, st1)

User applied rule all left

And obtained the following new goals

Rule argument

[EXRARG : pos: left 8, [extquanttermlist: (st1, st, r0, str, ty0) abort:F , discard:F , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])], [EXTRATERMS : (st1, st, r0, str, ty0)]]