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Proof step 49 from proof junkrefs-put-badfield (previous step)

st[r -- i '] = refval(r2), junkrefs(str, r2 ' + refs, st[r -- _type] .type .type, st[r0 -- fs ', val]), 0 ≤ i, i < st[r -- _length] .intval, is_array(str, r, st), is_array(str, r, st[r0 -- fs ', val]), st[r -- _type] .type ≤ ty, 0 < st[r -- _length] .intval, ∀ str0, ty0, st0, r1, fs0, val0. junkrefs(str0, r2 ' + refs, ty0, st0[r1 -- fs0 ', val0]) → junkrefs(str0, r2 ' + refs, ty0, st0) ∨ is_typevalue(st0[r1 -- _type]) ∧ is_reftype(st0[r1 -- _type] .type), r ≠ r0 ∨ _type ≠ fs ', r ≠ r0 ∨ _length ≠ fs ' ⊦ r = jvmref, is_typevalue(st[r0 -- _type]) ∧ is_reftype(st[r0 -- _type] .type), ∃ i0. ¬ i0 < 0 ∧ ¬ st[r -- _length] .intval ≤ i0 ∧ is_referencevalue(st[r -- i0 ']) ∧ r2 = st[r -- i0 '] .refval ∧ junkrefs(str, st[r -- i0 '] .refval ' + refs, st[r -- _type] .type .type, st)

User applied rule exists right

And obtained the following new goals

Rule argument

[EXRARG : pos: right 3, [extquanttermlist: (i)abort:F, discard:T, computed:T]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (i)]]