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Proof step 27 from proof junkrefs-append (previous step)

st[r -- i '] = refval(r0), st[r -- _type] .type ≤ ty, 0 ≤ i, 0 < st[r -- _length] .intval, is_array(str, r, st), i < st[r -- _length] .intval, is_referencevalue(st[r -- i ']), junkrefs(str, r0 ' + refs, st[r -- _type] .type .type, st), ∀ str0, ty0, st0, refs1. junkrefs(str0, r0 ' + refs, ty0, st0) → junkrefs(str0, (r0 ' + refs) + refs1, ty0, st0) ⊦ r = jvmref, junkrefs(str, r ' + (r0 ' + refs) + refs0, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 26:
st[r -- i '] = refval(r0), junkrefs(str, r0 ' + refs, st[r -- _type] .type .type, st), i < st[r -- _length] .intval, is_array(str, r, st), 0 < st[r -- _length] .intval, 0 ≤ i, st[r -- _type] .type ≤ ty, ∀ str0, ty0, st0, refs1. junkrefs(str0, r0 ' + refs, ty0, st0) → junkrefs(str0, (r0 ' + refs) + refs1, ty0, st0) ⊦ r = jvmref, junkrefs(str, r ' + (r0 ' + refs) + refs0, ty, st)

Rule argument

[emptyarg]

Additional information

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