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Proof step 12 from proof junkref-put-norefval-equiv (previous step)

okval(st[r1 -- mkfs(class, ty, fieldvar) '], ty), r1 -- mkfs(class, ty, fieldvar) ' ∈ st, okval(val, ty), r1 ∈ st, ∃ refs. refs ≠ [] ∧ refs .first = r ∧ junkrefs(str, refs, st[r -- _type] .type, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, is_referencevalue(val), junkref(str, r, st[r1 -- mkfs(class, ty, fieldvar) ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 11:
okval(st[r1 -- mkfs(class, ty, fieldvar) '], ty), r1 -- mkfs(class, ty, fieldvar) ' ∈ st, okval(val, ty), r1 ∈ st, junkrefs(str, refs, st[refs .first -- _type] .type, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, refs = [], is_referencevalue(val), junkref(str, refs .first, st[r1 -- mkfs(class, ty, fieldvar) ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]