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Proof step 25 from proof hasSharing-def-better (previous step)

st[r -- sks0] = refval(r0), st[r -- sks] = refval(r0), fits(r, sks, st), fits(r, sks0, st) ⊦ sks0 = sks, r0 = jvmref, fits(r, sks0, st) ∧ fits(r, sks, st) ∧ sks0 ≠ sks ∧ sks0 ≠ [] ∧ sks ≠ [] ∧ st[r -- sks0] .refval ≠ jvmref ∧ st[r -- sks0] = st[r -- sks], ∃ sks1, sks2. fits(r, sks1, st) ∧ fits(r, sks2, st) ∧ sks1 ≠ sks2 ∧ sks1 ≠ [] ∧ sks2 ≠ [] ∧ st[r -- sks1] .refval ≠ jvmref ∧ st[r -- sks1] = st[r -- sks2]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 24:
st[r -- sks] = refval(r0), st[r -- sks0] = refval(r0), fits(r, sks0, st), fits(r, sks, st) ⊦ r0 = jvmref, sks0 = sks, ∃ sks1, sks2. fits(r, sks1, st) ∧ fits(r, sks2, st) ∧ sks1 ≠ sks2 ∧ sks1 ≠ [] ∧ sks2 ≠ [] ∧ st[r -- sks1] .refval ≠ jvmref ∧ st[r -- sks1] = st[r -- sks2], sks0 ≠ [] ∧ sks ≠ []

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ refval(r) .refval = r])]]