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Proof step 14 from proof junkref-put-refval-01 (previous step)

r1 ≠ jvmref, is_arraytype(st[r0 -- _type] .type), mkarraytype(ty) ≤ st[r0 -- _type] .type, junkrefs(str, r ' + refs0, st[r -- _type] .type, st[r0 -- i ', refval(r1)]), r1 = jvmref → is_reftype(ty), r1 = jvmref ∨ st[r1 -- _type] .type ≤ ty ⊦ r0 = jvmref, junkref(str, r, st), junkref(str, r1, st), r1 ≠ jvmref ∧ mkarraytype(st[r1 -- _type] .type) ≤ st[r0 -- _type] .type

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
is_arraytype(st[r0 -- _type] .type), mkarraytype(ty) ≤ st[r0 -- _type] .type, junkrefs(str, r ' + refs0, st[r -- _type] .type, st[r0 -- i ', refval(r1)]), st[r1 -- _type] .type ≤ ty ⊦ r0 = jvmref, r1 = jvmref, junkref(str, r, st), junkref(str, r1, st), mkarraytype(st[r1 -- _type] .type) ≤ st[r0 -- _type] .type

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]