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Proof step 32 from proof unchanged-fits (previous step)

st[r -- sk] = st0[r -- sk], unchanged(str, st[r -- sk] .refval, st, st0), unchanged(str, r, st, st0), is_referencevalue(st[r -- sk]), fits(st[r -- sk] .refval, sks0, st), fits(st[r -- sk] .refval, sks0, st0), is_classtype(st[r -- _type] .type) → sk ∈ instfields(st[r -- _type] .type .class), is_arraytype(st[r -- _type] .type) → is_indexkey(sk) ∧ 0 ≤ sk .index ∧ sk .index < st[r -- _length] .intval ⊦ r = jvmref, junkref(str, st[r -- sk] .refval, st), junkref(str, r, st), fits(st0[r -- sk] .refval, sks0, st0) ∧ (is_arraytype(st0[r -- _type] .type) → ¬ is_fskey(sk) ∧ ¬ sk .index < 0 ∧ ¬ st0[r -- _length] .intval ≤ sk .index) ∧ (is_classtype(st0[r -- _type] .type) → sk ∈ instfields(st0[r -- _type] .type .class)) ∧ is_referencevalue(st0[r -- sk])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 31:
st[r -- sk] = st0[r -- sk], fits(st0[r -- sk] .refval, sks0, st0), fits(st0[r -- sk] .refval, sks0, st), is_referencevalue(st0[r -- sk]), unchanged(str, r, st, st0), unchanged(str, st0[r -- sk] .refval, st, st0), is_arraytype(st[r -- _type] .type) → is_indexkey(sk) ∧ 0 ≤ sk .index ∧ sk .index < st[r -- _length] .intval, is_classtype(st[r -- _type] .type) → sk ∈ instfields(st[r -- _type] .type .class) ⊦ r = jvmref, junkref(str, r, st), junkref(str, st0[r -- sk] .refval, st), (is_arraytype(st0[r -- _type] .type) → ¬ is_fskey(sk) ∧ ¬ sk .index < 0 ∧ ¬ st0[r -- _length] .intval ≤ sk .index) ∧ (is_classtype(st0[r -- _type] .type) → sk ∈ instfields(st0[r -- _type] .type .class))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]