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Proof step 50 from proof put-switch-primval-index-field (previous step)

st[r -- sks1] = refval(r1) ∧ is_referencevalue(st[r -- sks1]), is_indexkey(sk), fits(r, sks1 + sk ', st), fits(r0, sks + mkfs(class, ty, fieldvar) ' ', st) ⊦ (st[r1 -- sk, val][r0 -- (sks + mkfs(class, ty, fieldvar) ' '), val0]) = (st[r0 -- (sks + mkfs(class, ty, fieldvar) ' '), val0][r -- (sks1 + sk '), val]), sk = mkfs(class, ty, fieldvar) ', junkref(str, r0, st), junkref(str, r, st), is_reftype(ty), is_referencevalue(st[r -- (sks1 + sk ')]), is_referencevalue(val0), is_referencevalue(val)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 49:
st[r -- sks1] = refval(r1), fits(r0, sks + mkfs(class, ty, fieldvar) ' ', st), fits(r, sks1 + sk ', st), is_indexkey(sk) ⊦ sk = mkfs(class, ty, fieldvar) ', (st[r1 -- sk, val][r0 -- (sks + mkfs(class, ty, fieldvar) ' '), val0]) = (st[r0 -- (sks + mkfs(class, ty, fieldvar) ' '), val0][r -- (sks1 + sk '), val]), is_referencevalue(val), is_referencevalue(val0), is_referencevalue(st[r -- (sks1 + sk ')]), is_reftype(ty), junkref(str, r, st), junkref(str, r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : javavalue, , test-19, ⊦ is_referencevalue(refval(r))])]]