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Proof step 40 from proof junkrefs-put-badclassfield (previous step)

st[r0 -- _type] .type = mkclasstype(class), st[r -- i '] = refval(r2), junkrefs(str, r2 ' + refs, st[r -- _type] .type .type, st[r0 -- fs ', val]), i < (st[r0 -- fs ', val][r -- _length]) .intval, is_array(str, r, st), st[r -- _type] .type ≤ ty, is_array(str, r, st[r0 -- fs ', val]), 0 < (st[r0 -- fs ', val][r -- _length]) .intval, 0 ≤ i, ∀ str0, ty0, st0, fs0, r1, val0. ¬ junkrefs(str0, r2 ' + refs, ty0, st0) ∧ fs0 ' ≠ _type ∧ is_classtype(st0[r1 -- _type] .type) ∧ ¬ fs0 ' ∈ instfields(st0[r1 -- _type] .type .class) → ¬ junkrefs(str0, r2 ' + refs, ty0, st0[r1 -- fs0 ', val0]) ⊦ r -- _length = r0 -- fs ', r = jvmref, fs ' = _type, junkrefs(str, r ' + r2 ' + refs, ty, st), fs ' ∈ instfields(class)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 39:
st[r0 -- _type] .type = mkclasstype(class), st[r -- i '] = refval(r2), 0 ≤ i, junkrefs(str, r2 ' + refs, st[r -- _type] .type .type, st[r0 -- fs ', val]), i < st[r -- _length] .intval, st[r -- _type] .type ≤ ty, is_array(str, r, st), 0 < st[r -- _length] .intval, ∀ str0, ty0, st0, fs0, r1, val0. ¬ junkrefs(str0, r2 ' + refs, ty0, st0) ∧ fs0 ' ≠ _type ∧ is_classtype(st0[r1 -- _type] .type) ∧ ¬ fs0 ' ∈ instfields(st0[r1 -- _type] .type .class) → ¬ junkrefs(str0, r2 ' + refs, ty0, st0[r1 -- fs0 ', val0]) ⊦ r = jvmref, fs ' = _type, r = r0, junkrefs(str, r ' + r2 ' + refs, ty, st), fs ' ∈ instfields(class)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ i < j ∧ 0 ≤ i → 0 < j], [CSIMPSEQ : ⊦ r ≠ r0 → ( is_array (str, r0, st[r -- sk, val]) ↔ is_array(str, r0, st))], [CSIMPSEQ : ⊦ r ≠ r0 → (st[r0 -- sk0, val][r -- sk]) = st[r -- sk]], [CSIMPSEQ : ⊦ is_array(str, r, st) → st[r -- _type] .type ≠ mkclasstype(class)], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r -- sk = r0 -- sk0 ↔ ¬ ¬ (r = r0 ∧ sk = sk0)])]]