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Proof step 43 from proof validval-put-any (previous step)

st[r1 -- _type] .type .type = void_type, i ' .fs = mkfs(class0, ty0, fieldvar0), is_reftype(ty), validref(str, r0, ty, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, validref(str, r0, ty, st[r1 -- i ', refval(jvmref)])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 36:
⊦ validref(str, r, ty, st) ∧ ¬ is_array(str, r0, st) → validref(str, r, ty, st[r0 -- i ', val])
Proof step 42:
¬ (validref(str, r0, ty, st) ∧ ¬ is_array(str, r1, st)), st[r1 -- _type] .type .type = void_type, i ' .fs = mkfs(class0, ty0, fieldvar0), is_reftype(ty), validref(str, r0, ty, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, validref(str, r0, ty, st[r1 -- i ', refval(jvmref)])

Rule argument

[crewrite-arg: validref-put-badarrayindex , F , [val, i, r0, st, ty, r, str] → [refval(jvmref), i, r1, st, ty, r0, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (refval(jvmref), i, r1, st, ty, r0, str)]]