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Proof step 9 from proof validref-put-norefval-equiv (previous step)

okval(st[r1 -- mkfs(class, ty0, fieldvar) '], ty0), r1 -- mkfs(class, ty0, fieldvar) ' ∈ st, okval(val, ty0), r1 ∈ st, r = jvmref ∨ (st[r1 -- mkfs(class, ty0, fieldvar) ', val][r -- _type]) .type ≤ ty ∧ ¬ junkref(str, r, st[r1 -- mkfs(class, ty0, fieldvar) ', val]) ⊦ mkfs(class, ty0, fieldvar) ' = _length, ty0 = void_type, is_referencevalue(val), validref(str, r, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
⊦ validref(str, jvmref, ty, st)
Proof step 8:
okval(st[r1 -- mkfs(class, ty0, fieldvar) '], ty0), r1 -- mkfs(class, ty0, fieldvar) ' ∈ st, okval(val, ty0), r1 ∈ st, st[r -- _type] .type ≤ ty ⊦ mkfs(class, ty0, fieldvar) ' = _length, ty0 = void_type, r = jvmref, is_referencevalue(val), validref(str, r, ty, st), junkref(str, r, st[r1 -- mkfs(class, ty0, fieldvar) ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ty ≠ void_type → (st[ r -- mkfs (class, ty, fieldvar) ', val] [r0 -- _type ] ) = st[r0 -- _type]])]]