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Proof step 40 from proof unchanged-junkrefs-level (previous step)

st[r -- mkfs(class, ty1, fieldvar) '] = refval(r1), st[r -- _type] .type = mkclasstype(class0), st1[r -- _type] = st[r -- _type], st1[r -- mkfs(class, ty1, fieldvar) '] = refval(r1), class0 ≤ class1, is_valid_ref(str0, r, st1), is_obj(str, r, st1), is_obj(str, r, st), unchangedNorec(r, st, st1), is_obj(str0, r, st), level⊆(str, str0), unchanged(str0, r, st, st1), junkrefs(str, r1 ' + refs, ty1, st), mkfs(class, ty1, fieldvar) ' ∈ instfields(class0), ∀ str1, st0, st2, str2, ty0. unchanged(str1, r1, st0, st2) ∧ junkrefs(str2, r1 ' + refs, ty0, st0) ∧ level⊆(str2, str1) → junkrefs(str2, r1 ' + refs, ty0, st2), ∀ r0. (path∃(str0, r, r0, st) ↔ path∃(str0, r, r0, st1)) ∧ (path∃(str0, r, r0, st) → unchangedNorec(r0, st, st1)), ∀ fs. fs ' ∈ instfields(class0) → st[r -- fs '] = st1[r -- fs '] ⊦ r = jvmref, junkrefs(str, r1 ' + refs, ty1, st1)

User applied rule all left

And obtained the following new goals

Rule argument

[EXRARG : pos: left 15, [extquanttermlist: (str0, st, st1, str, ty1) abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str0, st, st1, str, ty1)]]