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Proof step 53 from proof junkrefs-put-norefval-equiv (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 52:
okval(st[r1 -- mkfs(class, ty0, fieldvar) '], ty0), r1 -- mkfs(class, ty0, fieldvar) ' ∈ st, okval(val, ty0), r1 ∈ st ⊦ junkrefs(str, refs, ty, st[r1 -- mkfs(class, ty0, fieldvar) ', val]) ↔ junkrefs(str, refs, ty, st), mkfs(class, ty0, fieldvar) ' = _length, ty0 = void_type, is_referencevalue(val)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]