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Proof step 22 from proof hasSharing-put-statfield (previous step)

∀ sks, sks0. ¬ fits(r, sks, st[jvmref -- sk, val]) ∨ ¬ fits(r, sks0, st[jvmref -- sk, val]) ∨ sks = sks0 ∨ sks = [] ∨ sks0 = [] ∨ (st[jvmref -- sk, val][r -- sks]) .refval = jvmref ∨ (st[jvmref -- sk, val][r -- sks]) ≠ (st[jvmref -- sk, val][r -- sks0]) ⊦ ∀ sks, sks0. ¬ fits(r, sks, st) ∨ ¬ fits(r, sks0, st) ∨ sks = sks0 ∨ sks = [] ∨ sks0 = [] ∨ st[r -- sks] .refval = jvmref ∨ st[r -- sks] ≠ st[r -- sks0], junkref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 21:
st[r -- sks0] = st[r -- sks], fits(r, sks0, st), fits(r, sks, st), ∀ sks, sks0. ¬ fits(r, sks, st[jvmref -- sk, val]) ∨ ¬ fits(r, sks0, st[jvmref -- sk, val]) ∨ sks = sks0 ∨ sks = [] ∨ sks0 = [] ∨ (st[jvmref -- sk, val][r -- sks]) .refval = jvmref ∨ (st[jvmref -- sk, val][r -- sks]) ≠ (st[jvmref -- sk, val][r -- sks0]) ⊦ sks0 = sks, sks0 = [], sks = [], st[r -- sks] .refval = jvmref, junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]