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Proof step 447 from proof hasSharing-put-index-refval (previous step)

is_referencevalue(st[r2 -- i ', refval(r3)][r2 -- (i ' ' + sks2)]) ∧ i ' ' + sks2 ≠ [], st[r -- sks1] = refval(r2), (st[r2 -- i ', refval(r3)][r3 -- sks3]) = refval(r1), st[r2 -- _type] .type = mkarraytype(ty), (st[r2 -- i ', refval(r3)][(st[r2 -- i ', refval(r3)][r2 -- (i ' ' + sks2) .first]) .refval -- (i ' ' + sks2) .rest]) = refval(r1), fits(r3, sks2, st[r2 -- i ', refval(r3)]), is_referencevalue(st[r2 -- i ', refval(r3)][r2 -- (i ' ' + sks3)]), 0 ≤ i, i < st[r2 -- _length] .intval, fits(r3, sks3, st[r2 -- i ', refval(r3)]), fits(r, sks1, st), disjoint(str, r ' + r3 ', st), validref(str, r3, ty, st), 0 < st[r2 -- _length] .intval, r3 = jvmref → is_reftype(ty) ⊦ sks1 = [], r2 = jvmref, r = r3, r1 = jvmref, sks2 = sks3, junkref(str, r, st), hasSharing(r3, st), hasSharing(r, st), ∃ sks0, sks4. sks1 = sks0 + i ' ' + sks4 ∧ st[r -- sks0] .refval = r2 ∧ (∀ sks5. sks5 + i ' ' ⊑ sks0 → st[r -- sks5] .refval ≠ st[r -- sks0] .refval), ∃ sks4. ¬ (sks4 + i ' ' ⊑ sks1 → st[r -- sks4] .refval ≠ r2), ∃ sks0, sks2. sks1 = sks0 + i ' ' + sks2 ∧ st[r -- sks0] .refval = r2 ∧ (∀ sks4. sks4 + i ' ' ⊑ sks0 → st[r -- sks4] .refval ≠ st[r -- sks0] .refval), ∃ sks2. ¬ (sks2 + i ' ' ⊑ sks1 → st[r -- sks2] .refval ≠ r2)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 446:
st[r -- sks1] = refval(r2), (st[r2 -- i ', refval(r3)][r3 -- sks3]) = refval(r1), st[r2 -- _type] .type = mkarraytype(ty), (st[r2 -- i ', refval(r3)][r3 -- sks2]) = refval(r1), is_referencevalue(st[r2 -- i ', refval(r3)][r2 -- (i ' ' + sks2)]), fits(r3, sks2, st[r2 -- i ', refval(r3)]), is_referencevalue(st[r2 -- i ', refval(r3)][r2 -- (i ' ' + sks3)]), 0 ≤ i, i < st[r2 -- _length] .intval, fits(r3, sks3, st[r2 -- i ', refval(r3)]), fits(r, sks1, st), disjoint(str, r ' + r3 ', st), validref(str, r3, ty, st), 0 < st[r2 -- _length] .intval, r3 = jvmref → is_reftype(ty) ⊦ sks1 = [], r2 = jvmref, r = r3, r1 = jvmref, sks2 = sks3, junkref(str, r, st), hasSharing(r3, st), hasSharing(r, st), ∃ sks0, sks4. sks1 = sks0 + i ' ' + sks4 ∧ st[r -- sks0] .refval = r2 ∧ (∀ sks5. sks5 + i ' ' ⊑ sks0 → st[r -- sks5] .refval ≠ st[r -- sks0] .refval), ∃ sks4. ¬ (sks4 + i ' ' ⊑ sks1 → st[r -- sks4] .refval ≠ r2), ∃ sks0, sks2. sks1 = sks0 + i ' ' + sks2 ∧ st[r -- sks0] .refval = r2 ∧ (∀ sks4. sks4 + i ' ' ⊑ sks0 → st[r -- sks4] .refval ≠ st[r -- sks0] .refval), ∃ sks2. ¬ (sks2 + i ' ' ⊑ sks1 → st[r -- sks2] .refval ≠ r2)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : list, storekeys, e-01, ⊦ sk ' + sks ≠ []], [CSIMPNAMEDSEQ : list, storekeys, c-07, ⊦ (sk ' + sks) .rest = sks], [CSIMPNAMEDSEQ : javavalue, , sel-09, ⊦ refval(r) .refval = r], [CSIMPNAMEDSEQ : store, javastore, At-same, ⊦ (st[rk, val][rk]) = val], [CSIMPNAMEDSEQ : list, storekeys, a, ⊦ (sks + sks0) + sks1 = sks + sks0 + sks1], [CSIMPNAMEDSEQ : list, storekeys, c-08, ⊦ (sk ' + sks) .first = sk])]]