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Proof step 728 from proof hasSharing-put-index-refval (previous step)

st[r3 -- _type] .type = mkarraytype(ty), st[r -- sks] = refval(r1), st[r -- sks1] = refval(r3), (st[r3 -- i ', refval(r4)][r4 -- (sks0 + i ' ' + sks3)]) = refval(r1), st[r4 -- sks0] = refval(r3), 0 < st[r3 -- _length] .intval, 0 ≤ i, i < st[r3 -- _length] .intval, validref(str, r4, ty, st), disjoint(str, r ' + r4 ', st), fits(r, sks, st), fits(r, sks1, st), fits(r4, sks0, st), fits(r4, sks3, st[r3 -- i ', refval(r4)]) ⊦ sks1 = [], sks1 + i ' ' + sks0 + i ' ' + sks3 = sks, sks = [], r1 = jvmref, r = r4, r3 = jvmref, r4 = jvmref, hasSharing(r, st), hasSharing(r4, st), junkref(str, r, st), validreflist(str, refval(r) ' + refval(r4) ', mkclasstype(`java.lang.Object' .class), st), ∃ sks1, sks3. sks = sks1 + i ' ' + sks3 ∧ st[r -- sks1] .refval = r3 ∧ (∀ sks2. sks2 + i ' ' ⊑ sks1 → st[r -- sks2] .refval ≠ st[r -- sks1] .refval), ∃ sks3. ¬ (sks3 + i ' ' ⊑ sks1 → st[r -- sks3] .refval ≠ r3), ∃ sks, sks3. sks1 = sks + i ' ' + sks3 ∧ st[r -- sks] .refval = r3 ∧ (∀ sks4. sks4 + i ' ' ⊑ sks → st[r -- sks4] .refval ≠ st[r -- sks] .refval), ∃ sks4. ¬ (sks4 + i ' ' ⊑ sks0 → st[r4 -- sks4] .refval ≠ r3), ∃ sks2, sks4. sks0 = sks2 + i ' ' + sks4 ∧ st[r4 -- sks2] .refval = r3 ∧ (∀ sks5. sks5 + i ' ' ⊑ sks2 → st[r4 -- sks5] .refval ≠ st[r4 -- sks2] .refval)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 723:
⊦ validreflist(str, val ' + vals, ty, st) ↔ is_referencevalue(val) ∧ validref(str, val .refval, ty, st) ∧ validreflist(str, vals, ty, st)
Proof step 727:
st[r3 -- _type] .type = mkarraytype(ty), st[r -- sks] = refval(r1), st[r -- sks1] = refval(r3), (st[r3 -- i ', refval(r4)][r4 -- (sks0 + i ' ' + sks3)]) = refval(r1), st[r4 -- sks0] = refval(r3), 0 < st[r3 -- _length] .intval, 0 ≤ i, i < st[r3 -- _length] .intval, validref(str, r4, ty, st), disjoint(str, r ' + r4 ', st), fits(r, sks, st), fits(r, sks1, st), fits(r4, sks0, st), fits(r4, sks3, st[r3 -- i ', refval(r4)]) ⊦ sks1 = [], sks1 + i ' ' + sks0 + i ' ' + sks3 = sks, sks = [], r1 = jvmref, r = r4, r3 = jvmref, r4 = jvmref, hasSharing(r, st), hasSharing(r4, st), junkref(str, r, st), is_referencevalue(refval(r)) ∧ validref(str, refval(r) .refval, mkclasstype(`java.lang.Object' .class), st) ∧ validreflist(str, refval(r4) ', mkclasstype(`java.lang.Object' .class), st), ∃ sks1, sks3. sks = sks1 + i ' ' + sks3 ∧ st[r -- sks1] .refval = r3 ∧ (∀ sks2. sks2 + i ' ' ⊑ sks1 → st[r -- sks2] .refval ≠ st[r -- sks1] .refval), ∃ sks3. ¬ (sks3 + i ' ' ⊑ sks1 → st[r -- sks3] .refval ≠ r3), ∃ sks, sks3. sks1 = sks + i ' ' + sks3 ∧ st[r -- sks] .refval = r3 ∧ (∀ sks4. sks4 + i ' ' ⊑ sks → st[r -- sks4] .refval ≠ st[r -- sks] .refval), ∃ sks4. ¬ (sks4 + i ' ' ⊑ sks0 → st[r4 -- sks4] .refval ≠ r3), ∃ sks2, sks4. sks0 = sks2 + i ' ' + sks4 ∧ st[r4 -- sks2] .refval = r3 ∧ (∀ sks5. sks5 + i ' ' ⊑ sks2 → st[r4 -- sks5] .refval ≠ st[r4 -- sks2] .refval)

Rule argument

[x0lemmaarg: spec-name: junkrefs instance-name: lemma-name: validreflist-rec antecedent: succedent: validreflist(str, val ' + vals, ty, st) ↔ is_referencevalue(val) ∧ validref(str, val .refval, ty, st) ∧ validreflist(str, vals, ty, st) substlist: [st, ty, vals, val, str] → [st, mkclasstype(`java.lang.Object' .class), refval(r4) ', refval(r), str] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((1, 0, 10)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, mkclasstype(`java.lang.Object' .class), refval(r4) ', refval(r), str)]]