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Proof step 67 from proof validstatfield-putrkvs (previous step)

¬ jvmref -- mkfs(class, ty, fieldvar) ' ∈ rkvs, validvals(str, rkvs, st), mkfs(class, ty, fieldvar) ' ∈ statfields(class), tdname∃(str, class), initdone(class, st), jvmref -- mkfs(class, ty, fieldvar) ' ∈ st, okval(st[jvmref -- mkfs(class, ty, fieldvar) '], ty), type∃(str, ty), jvmref ∈ st, is_reftype(ty) → validrefval(str, st[jvmref -- mkfs(class, ty, fieldvar) '], ty, st) ⊦ ty = void_type, _uninit ∈ rkvs, jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ rkvs, (is_reftype(ty) → validrefval(str, st[jvmref -- mkfs(class, ty, fieldvar) '], ty, st[rkvs])) ∧ okval(st[jvmref -- mkfs(class, ty, fieldvar) '], ty)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 66:
type∃(str, ty), jvmref ∈ st, is_reftype(ty), validvals(str, rkvs, st), mkfs(class, ty, fieldvar) ' ∈ statfields(class), tdname∃(str, class), initdone(class, st), jvmref -- mkfs(class, ty, fieldvar) ' ∈ st, is_referencevalue(st[jvmref -- mkfs(class, ty, fieldvar) ']), validrefval(str, st[jvmref -- mkfs(class, ty, fieldvar) '], ty, st) ⊦ ty = void_type, _uninit ∈ rkvs, jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ rkvs, jvmref -- mkfs(class, ty, fieldvar) ' ∈ rkvs, validrefval(str, st[jvmref -- mkfs(class, ty, fieldvar) '], ty, st[rkvs])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_reftype(ty) → ( okval(val, ty) ↔ is_referencevalue(val))])]]