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Proof step 20 from proof initsubset-initerror-02 (previous step)

initdone(class2, st), tdname∃(str, class2), mkfs(class0, ty, fieldvar) ' ∈ statfields(class2), tdname∃(str, class0), mkfs(class0, ty, fieldvar) ' ∈ statfields(class0), initdone(class0, st), jvmref -- mkfs(class0, ty, fieldvar) ' ∈ st, okval(st[jvmref -- mkfs(class0, ty, fieldvar) '], ty), type∃(str, ty), jvmref ∈ st, is_reftype(ty) → validrefval(str, st[jvmref -- mkfs(class0, ty, fieldvar) '], ty, st) ⊦ class = `java.lang.Object' .class, class0 = class, ty = void_type, initdone(class, st), mkfs(class, void_type, `initstate' .field) ' ∈ fis, ( is_reftype(ty) → validrefval (str, st[jvmref -- mkfs(class0, ty, fieldvar) '], ty, addclass(class, fis + (mkfs(class, void_type, `initstate' .field) ' × initval(error)) ', st))) ∧ is_fskey(mkfs(class0, ty, fieldvar) ') ∧ jvmref -- mkfs(class0, ty, fieldvar) ' ∈ addclass(class, fis + (mkfs(class, void_type, `initstate' .field) ' × initval(error)) ', st) ∧ okval (addclass(class, fis + (mkfs(class, void_type, `initstate' .field) ' × initval(error)) ', st)[jvmref -- mkfs(class0, ty, fieldvar) '], mkfs(class0, ty, fieldvar) ' .fs .type)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
type∃(str, ty), jvmref ∈ st, is_reftype(ty), initdone(class2, st), tdname∃(str, class2), mkfs(class0, ty, fieldvar) ' ∈ statfields(class2), tdname∃(str, class0), mkfs(class0, ty, fieldvar) ' ∈ statfields(class0), initdone(class0, st), jvmref -- mkfs(class0, ty, fieldvar) ' ∈ st, is_referencevalue(st[jvmref -- mkfs(class0, ty, fieldvar) ']), validrefval(str, st[jvmref -- mkfs(class0, ty, fieldvar) '], ty, st) ⊦ class = `java.lang.Object' .class, class0 = class, ty = void_type, initdone(class, st), mkfs(class, void_type, `initstate' .field) ' ∈ fis, validrefval (str, st[jvmref -- mkfs(class0, ty, fieldvar) '], ty, addclass(class, fis + (mkfs(class, void_type, `initstate' .field) ' × initval(error)) ', st))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_reftype(ty) → ( okval(val, ty) ↔ is_referencevalue(val))], [CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) .type = ty], [CSIMPSEQ : ⊦ fs ' .fs = fs], [CSIMPSEQ : class1 ≠ class2 ⊦ (addclass(class2, fis, st) [ jvmref -- mkfs(class1, ty, fieldvar) ' ] ) = st[ jvmref -- mkfs(class1, ty, fieldvar) ']], [CSIMPSEQ : class1 ≠ class2 ⊦ jvmref -- mkfs(class1, ty, fieldvar) ' ∈ addclass(class2, fis, st) ↔ jvmref -- mkfs(class1, ty, fieldvar) ' ∈ st], [CSIMPSEQ : ⊦ is_fskey(fs ')])]]