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Proof step 10 from proof junkref-put-norefval-equiv (previous step)

refs = r + refs0, okval(st[r1 -- mkfs(class, ty, fieldvar) '], ty), r1 -- mkfs(class, ty, fieldvar) ' ∈ st, okval(val, ty), r1 ∈ st, junkrefs(str, refs, st[r -- _type] .type, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, refs = [], 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 9:
okval(st[r1 -- mkfs(class, ty, fieldvar) '], ty), r1 -- mkfs(class, ty, fieldvar) ' ∈ st, okval(val, ty), r1 ∈ st, junkrefs(str, r ' + refs0, 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])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r ' + refs ≠ []], [CSIMPSEQ : ⊦ r + refs = r ' + refs])]]