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Proof step 20 from proof fits-put-short-02 (previous step)

r -- sk ≠ r1 -- fs ', st[r -- sk] = refval(r0), st[r -- _type] .type = mkclasstype(class), sk ∈ instfields(class), fits(r0, sks0, st), is_shortvalue(st[r1 -- fs ']), is_obj(str, r, st), junkref(str, r0, st) ∨ fits(r0, sks0, st[r1 -- fs ', shortval(sho)]), r ≠ r1 ∨ _type ≠ fs ' ⊦ r = jvmref, junkref(str, r, st), fits(st[r -- sk] .refval, sks0, st[r1 -- fs ', shortval(sho)]) ∧ is_referencevalue(st[r -- sk])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
st[r -- _type] .type = mkclasstype(class), st[r -- sk] = refval(r0), is_obj(str, r, st), is_shortvalue(st[r1 -- fs ']), fits(r0, sks0, st), sk ∈ instfields(class), junkref(str, r0, st), r ≠ r1 ∨ sk ≠ fs ', r ≠ r1 ∨ _type ≠ fs ' ⊦ r = jvmref, junkref(str, r, st), fits(r0, sks0, st[r1 -- fs ', shortval(sho)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(refval(r))], [CSIMPSEQ : ⊦ refval(r) .refval = r], [CSIMPSEQ : ⊦ r -- sk = r0 -- sk0 ↔ ¬ ¬ (r = r0 ∧ sk = sk0)])]]