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Proof step 5 from proof validref-put-array-refval-02 (previous step)

val = refval(r1), is_arraytype(st[r0 -- _type] .type), is_referencevalue(val), validref(str, r1, st[r0 -- _type] .type .type, st), validref(str, r, ty0, st), r1 = jvmref → is_reftype(st[r0 -- _type] .type .type) ⊦ r0 = jvmref, validref(str, r, ty0, st[r0 -- i ', val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
is_arraytype(st[r0 -- _type] .type), validref(str, r1, st[r0 -- _type] .type .type, st), validref(str, r, ty0, st), r1 = jvmref → is_reftype(st[r0 -- _type] .type .type) ⊦ r0 = jvmref, validref(str, r, ty0, st[r0 -- i ', refval(r1)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(refval(r))])]]