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Proof step 30 from proof validref-putrkvs (previous step)

st[r0 -- _type] .type = mkarraytype(ty1), ty1 = void_type, sk .fs = mkfs(class, ty0, fieldvar), is_arraytype(st[r0 -- _type] .type), is_indexkey(sk), validvals(str, rkvs0, st), validref(str, r, ty, st), ∀ str, r, ty, st. validref(str, r, ty, st) ∧ validvals(str, rkvs0, st) → validref(str, r, ty, st[rkvs0]) ⊦ r0 = jvmref, validref(str, r, ty, st[r0 -- sk, refval(jvmref)][rkvs0]), validref(str, r, ty, st[r0 -- sk, refval(jvmref)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 29:
sk .fs = mkfs(class, ty0, fieldvar), st[r0 -- _type] .type = mkarraytype(void_type), validref(str, r, ty, st), validvals(str, rkvs0, st), is_indexkey(sk), ∀ str, r, ty, st. validref(str, r, ty, st) ∧ validvals(str, rkvs0, st) → validref(str, r, ty, st[rkvs0]) ⊦ r0 = jvmref, validref(str, r, ty, st[r0 -- sk, refval(jvmref)]), validref(str, r, ty, st[r0 -- sk, refval(jvmref)][rkvs0])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_arraytype(mkarraytype(ty))])]]