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Proof step 33 from proof sharing-twopaths (previous step)

(st[r -- sks] .refval ' + refs0) .last = st[r -- sks0] .refval, fits(r, sks0, st), fits(r, sks, st), validrefs(str, st[r -- sks] .refval ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ refs0 = [], r = jvmref, sks = sks0, sks = [], sks0 = [], st[r -- sks] .refval = jvmref, st[r -- sks0] .refval = jvmref, sks ⊑ sks0, hasSharing(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 32:
refs0 .last = st[r -- sks0] .refval, fits(r, sks0, st), fits(r, sks, st), validrefs(str, st[r -- sks] .refval ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ refs0 = [], r = jvmref, sks = sks0, sks = [], sks0 = [], st[r -- sks] .refval = jvmref, refs0 .last = jvmref, sks ⊑ sks0, hasSharing(r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ refs ≠ [] → (r ' + refs) .last = refs .last])]]