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Proof step 46 from proof validval-put-any (previous step)

sk .fs = mkfs(class0, ty0, fieldvar0), validref(str, r0, ty, st), is_reftype(ty), is_indexkey(sk), okval(refval(r2), st[r1 -- _type] .type .type), validref(str, r2, st[r1 -- _type] .type .type, st), r ≠ r1 ∨ _type ≠ sk ⊦ r2 = jvmref → is_reftype(st[r1 -- _type] .type .type), ty = void_type, mkfs(class, ty, fieldvar) ' = _length, validref(str, r0, ty, st[r1 -- sk, refval(r2)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 34:
⊦ validref(str, jvmref, ty, st)
Proof step 45:
st[r1 -- _type] .type .type = void_type, sk .fs = mkfs(class0, ty0, fieldvar0), is_indexkey(sk), is_reftype(ty), validref(str, r0, ty, st), r ≠ r1 ∨ _type ≠ sk ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, validref(str, r0, ty, st[r1 -- sk, refval(jvmref)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ is_reftype(void_type)], [CSIMPSEQ : ⊦ okval(refval(r), ty) ↔ ty = void_type ∨ is_reftype(ty)])]]