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Proof step 3 from proof junkrefs-put-norefval (previous step)

fs = mkfs(class, ty0, fieldvar), junkrefs(str, refs, ty, st[r1 -- fs ', val]), okval(val, ty0) ⊦ fs ' = _length, ty0 = void_type, junkrefs(str, refs, ty, st), is_referencevalue(val)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
junkrefs(str, refs, ty, st[r1 -- mkfs(class, ty0, fieldvar) ', val]), okval(val, ty0) ⊦ mkfs(class, ty0, fieldvar) ' = _length, ty0 = void_type, junkrefs(str, refs, ty, st), is_referencevalue(val)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]