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Proof step 74 from proof validrefs-del-junkrefs (previous step)

st[r0 -- i '] = refval(r1), 0 < st[r0 -- _length] .intval, 0 ≤ i, junkrefs(str, (r1 ' + acc) + r ', st[r0 -- _type] .type .type, st -- r), i < st[r0 -- _length] .intval, st[r0 -- _type] .type ≤ ty, is_array(str, r0, st), st[r1 -- _type] .type ≤ st[r0 -- _type] .type .type ∧ junkrefs(str, (r1 ' + acc) + r ', st[r0 -- _type] .type .type, st -- r) → r = r1 ∨ junkref(str, r1, st) ∨ r ∈ acc ∨ validrefs(str, r1 ' + acc + r ', st[r0 -- _type] .type .type, st) ⊦ r0 = jvmref, r = r1, r = r0, r ∈ acc, junkref(str, r0, st), validrefs(str, r1 ' + acc + r ', st[r0 -- _type] .type .type, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 73:
st[r0 -- i '] = refval(r1), 0 < st[r0 -- _length] .intval, 0 ≤ i, junkrefs(str, (r1 ' + acc) + r ', st[r0 -- _type] .type .type, st -- r), i < st[r0 -- _length] .intval, st[r0 -- _type] .type ≤ ty, is_array(str, r0, st), st[r1 -- _type] .type ≤ st[r0 -- _type] .type .type → junkref(str, r1, st) ⊦ r0 = jvmref, r = r1, r = r0, r ∈ acc, junkref(str, r0, st), validrefs(str, r1 ' + acc + r ', st[r0 -- _type] .type .type, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]