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Proof step 509 from proof hasSharing-put-index-refval (previous step)

st[r -- sks1] = refval(r0), (st[r0 -- i ', refval(r4)][r4 -- (sks + i ' ' + sks4)]) = refval(r1), st[r0 -- _type] .type = mkarraytype(ty), st[r -- sks0] = refval(r1), st[r4 -- sks] = refval(r0), fits(r4, sks4, st[r0 -- i ', refval(r4)]), fits(r4, sks, st), fits(r, sks1, st), validref(str, r4, ty, st), fits(r, sks0, st), is_referencevalue(st[r0 -- i ', refval(r4)][r0 -- (i ' ' + sks + i ' ' + sks4)]), 0 < st[r0 -- _length] .intval, 0 ≤ i, i < st[r0 -- _length] .intval, validref(str, r, mkclasstype(`java.lang.Object' .class), st), validref(str, r4, mkclasstype(`java.lang.Object' .class), st), ∀ r2, sks2, r3, sks3. r2 ≠ r ∧ r2 ≠ r4 ∨ r3 ≠ r ∧ r3 ≠ r4 ∨ r2 = r3 ∨ ¬ fits(r2, sks2, st) ∨ ¬ fits(r3, sks3, st) ∨ st[r2 -- sks2] ≠ st[r3 -- sks3] ∨ st[r2 -- sks2] .refval = jvmref ⊦ r0 = jvmref, r = r4, r1 = jvmref, sks0 = [], sks0 = sks1 + i ' ' + sks + i ' ' + sks4, sks1 = [], r4 = jvmref, junkref(str, r, st), hasSharing(r4, st), hasSharing(r, st), ∃ sks3, sks5. sks = sks3 + i ' ' + sks5 ∧ st[r4 -- sks3] .refval = r0 ∧ (∀ sks2. sks2 + i ' ' ⊑ sks3 → st[r4 -- sks2] .refval ≠ st[r4 -- sks3] .refval), ∃ sks2. ¬ (sks2 + i ' ' ⊑ sks → st[r4 -- sks2] .refval ≠ r0), ∃ sks1, sks2. sks0 = sks1 + i ' ' + sks2 ∧ st[r -- sks1] .refval = r0 ∧ (∀ sks4. sks4 + i ' ' ⊑ sks1 → st[r -- sks4] .refval ≠ st[r -- sks1] .refval), ∃ sks0, sks2. sks1 = sks0 + i ' ' + sks2 ∧ st[r -- sks0] .refval = r0 ∧ (∀ sks4. sks4 + i ' ' ⊑ sks0 → st[r -- sks4] .refval ≠ st[r -- sks0] .refval), ∃ sks2. ¬ (sks2 + i ' ' ⊑ sks1 → st[r -- sks2] .refval ≠ r0)

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 17, [extquanttermlist: (r, sks1, r4, sks) abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : javavalue, , sel-09, ⊦ refval(r) .refval = r])], [EXTRATERMS : (r, sks1, r4, sks)]]