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Proof step 26 from proof sharing-twopaths (previous step)

st[r -- sks0] = refval(refs0 .last), st[r -- sks] = refval(r0), # sks1 = # refs0, fits(r, sks0, st), fits(r, sks, st), validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st), fits(r0, sks1, st), ∀ n. n ≠ 0 ∧ ¬ # refs0 < n → st[r0 -- firstn(n, sks1)] .refval = (r0 ' + refs0)[n] ⊦ refs0 = [], r = jvmref, sks = sks0, sks = [], sks0 = [], r0 = jvmref, refs0 .last = jvmref, sks ⊑ sks0, hasSharing(r, st)

User applied rule all left

And obtained the following new goals

Proof step 25:
st[r -- sks0] = refval(refs0 .last), st[r -- sks] = refval(r0), # sks1 = # refs0, fits(r, sks0, st), fits(r, sks, st), validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st), fits(r0, sks1, st), # refs0 ≠ 0 ∧ ¬ # refs0 < # refs0 → st[r0 -- firstn(# refs0, sks1)] .refval = (r0 ' + refs0)[# refs0] ⊦ refs0 = [], r = jvmref, sks = sks0, sks = [], sks0 = [], r0 = jvmref, refs0 .last = jvmref, sks ⊑ sks0, hasSharing(r, st)

Rule argument

[EXRARG : pos: left 8, [extquanttermlist: (# refs0)abort:F, discard:T, computed:T]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (# refs0)]]