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Proof step 41 from proof fits-no-refval (previous step)

sks0 ⊑ sk0 ' + sks, r ≠ jvmref ∧ is_referencevalue(st[r -- sk0]) ∧ (is_classtype(st[r -- _type] .type) → sk0 ∈ instfields(st[r -- _type] .type .class)) ∧ (is_arraytype(st[r -- _type] .type) → is_indexkey(sk0) ∧ 0 ≤ sk0 .index ∧ sk0 .index < st[r -- _length] .intval) ∧ fits(st[r -- sk0] .refval, sks + sk ', st), ∀ sks0, r, sk, st, str. sks0 ⊑ sks ∧ fits(r, sks + sk ', st) → is_referencevalue(st[r -- sks0]) ∨ junkref(str, r, st) ⊦ is_referencevalue(st[r -- sks0]), junkref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 40:
fits(st[r -- sk0] .refval, sks + sk ', st), is_referencevalue(st[r -- sk0]), sks0 ⊑ sk0 ' + sks, ∀ sks0, r, sk, st, str. sks0 ⊑ sks ∧ fits(r, sks + sk ', st) → is_referencevalue(st[r -- sks0]) ∨ junkref(str, r, st), is_arraytype(st[r -- _type] .type) → is_indexkey(sk0) ∧ 0 ≤ sk0 .index ∧ sk0 .index < st[r -- _length] .intval, is_classtype(st[r -- _type] .type) → sk0 ∈ instfields(st[r -- _type] .type .class) ⊦ r = jvmref, junkref(str, r, st), is_referencevalue(st[r -- sks0])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]