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Proof step 12 from proof junkrefs-append (previous step)

st[r -- mkfs(class, ty1, fieldvar) '] = refval(r0), is_referencevalue(st[r -- mkfs(class, ty1, fieldvar) ']), mkfs(class, ty1, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), st[r -- _type] .type ≤ ty, junkrefs(str, r0 ' + refs, ty1, st), ∀ str0, ty0, st0, refs1. junkrefs(str0, r0 ' + refs, ty0, st0) → junkrefs(str0, (r0 ' + refs) + refs1, ty0, st0) ⊦ r = jvmref, junkrefs(str, r ' + (r0 ' + refs) + refs0, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 11:
st[r -- mkfs(class, ty1, fieldvar) '] = refval(r0), junkrefs(str, r0 ' + refs, ty1, st), st[r -- _type] .type ≤ ty, is_obj(str, r, st), mkfs(class, ty1, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), ∀ str0, ty0, st0, refs1. junkrefs(str0, r0 ' + refs, ty0, st0) → junkrefs(str0, (r0 ' + refs) + refs1, ty0, st0) ⊦ r = jvmref, junkrefs(str, r ' + (r0 ' + refs) + refs0, ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(refval(r))])]]