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Proof step 37 from proof validrefs-del-junkrefs (previous step)

st[r0 -- i '] = refval(r), 0 < st[r0 -- _length] .intval, 0 ≤ i, junkrefs(str, r ', st[r0 -- _type] .type .type, st -- r), is_referencevalue(st[r0 -- i ']), i < st[r0 -- _length] .intval, is_array(str, r0, st), st[r0 -- _type] .type ≤ ty ⊦ r = r0, r0 = jvmref, junkref(str, r0, st), validrefs(str, r0 ' + r ', ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 36:
st[r0 -- i '] = refval(r), st[r0 -- _type] .type ≤ ty, is_array(str, r0, st), i < st[r0 -- _length] .intval, junkrefs(str, r ', st[r0 -- _type] .type .type, st -- r), 0 ≤ i, 0 < st[r0 -- _length] .intval ⊦ r0 = jvmref, r = r0, validrefs(str, r0 ' + r ', ty, st), junkref(str, r0, st)

Rule argument

[emptyarg]

Additional information

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