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Proof step 104 from proof hasSharing-addobj-same (previous step)

fis .keys = instfields(class), fis[sk0] = refval(r0), fis[sk] = refval(r0), sk0 ∈ fis, sk ∈ fis, newref(r, st), validfieldinits(str, fis, st) ⊦ r = jvmref, r0 = jvmref, sk0 = sk, junkref(str, r, addobj(r, class, fis, st)), dups(instfields(class)), ∃ sks1, sks2. fits(r, sks1, addobj(r, class, fis, st)) ∧ fits(r, sks2, addobj(r, class, fis, st)) ∧ sks1 ≠ sks2 ∧ (addobj(r, class, fis, st)[r -- sks1]) .refval ≠ jvmref ∧ (addobj(r, class, fis, st)[r -- sks1]) = (addobj(r, class, fis, st)[r -- sks2])

User applied rule exists right

And obtained the following new goals

Proof step 103:
fis .keys = instfields(class), fis[sk0] = refval(r0), fis[sk] = refval(r0), sk0 ∈ fis, sk ∈ fis, newref(r, st), validfieldinits(str, fis, st) ⊦ r = jvmref, r0 = jvmref, sk0 = sk, junkref(str, r, addobj(r, class, fis, st)), dups(instfields(class)), fits(r, sk ', addobj(r, class, fis, st)) ∧ fits(r, sk0 ', addobj(r, class, fis, st)) ∧ sk ' ≠ sk0 ' ∧ (addobj(r, class, fis, st)[r -- sk ']) .refval ≠ jvmref ∧ (addobj(r, class, fis, st)[r -- sk ']) = (addobj(r, class, fis, st)[r -- sk0 '])

Rule argument

[EXRARG : pos: right 6, [extquanttermlist: (sk ', sk0 ') abort:F , discard:T , computed:F ]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (sk ', sk0 ')]]