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Proof step 60 from proof validrefs-junkrefs (previous step)

r1 ' + refs1 = refs + r0 ' + refs0, st[r -- i '] = refval(r1), st[refs .last -- i0 '] = refval(r0), is_array(refs .last, st), i0 < st[refs .last -- _length] .intval, validrefs(str, r ' + refs, ty, st), validrefs(str, refs, st[r -- _type] .type .type, st), st[r -- _type] .type ≤ ty, 0 ≤ i, 0 < st[r -- _length] .intval, is_array(str, r, st), i < st[r -- _length] .intval, junkrefs(str, r1 ' + refs1, st[r -- _type] .type .type, st), r1 ∈ refs, is_valid_ref(str, r0, st), 0 ≤ i0, 0 < st[refs .last -- _length] .intval ⊦ refs = [], r0 = jvmref, r = jvmref, st[r0 -- _type] .type ≤ st[refs .last -- _type] .type .type, ∃ i1. ¬ i1 < 0 ∧ ¬ st[refs .last -- _length] .intval ≤ i1 ∧ is_referencevalue(st[refs .last -- i1 ']) ∧ r0 = st[refs .last -- i1 '] .refval

User applied rule exists right

And closed the goal!

Rule argument

[EXRARG : pos: right 5, [extquanttermlist: (i0)abort:F, discard:T, computed:F]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i < j → (¬ ¬ j ≤ i ↔ false)], [CSIMPSEQ : ⊦ is_referencevalue(refval(r))], [CSIMPSEQ : ⊦ refval(r) .refval = r])], [EXTRATERMS : (i0)]]