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Proof step 74 from proof validrefs-junkrefs (previous step)

is_array(str, r, st) ∧ st[r -- _type] .type ≤ ty, r1 ' + refs1 = refs + r0 ' + refs0, st[r -- i '] = refval(r1), validrefs(str, refs, st[r -- _type] .type .type, st), st[r -- _type] .type ≤ ty, 0 ≤ i, 0 < st[r -- _length] .intval, is_array(str, r, st), i < st[r -- _length] .intval, junkrefs(str, r1 ' + refs1, st[r -- _type] .type .type, st), r1 ∈ refs, ¬ is_valid_ref(str, r0, st) ∨ is_obj(refs .last, st) ∧ mkfs(class, ty0, fieldvar) ' ∈ instfields(st[refs .last -- _type] .type .class) ∧ is_referencevalue(st[refs .last -- mkfs(class, ty0, fieldvar) ']) ∧ r0 = st[refs .last -- mkfs(class, ty0, fieldvar) '] .refval ∧ ¬ st[st[refs .last -- mkfs(class, ty0, fieldvar) '] .refval -- _type] .type ≤ ty0 ∨ is_array(refs .last, st) ∧ 0 ≤ i0 ∧ i0 < st[refs .last -- _length] .intval ∧ is_referencevalue(st[refs .last -- i0 ']) ∧ r0 = st[refs .last -- i0 '] .refval ∧ ¬ st[st[refs .last -- i0 '] .refval -- _type] .type ≤ st[refs .last -- _type] .type .type ⊦ refs = [], r0 = jvmref, r = jvmref, refs = [] ∨ (∃ i. 0 ≤ i ∧ i < st[r -- _length] .intval ∧ is_referencevalue(st[r -- i ']) ∧ refs .first = st[r -- i '] .refval ∧ validrefs(str, refs, st[r -- _type] .type .type, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ i < j ↔ j ≤ i], [CSIMPSEQ : ⊦ ¬ i ≤ j ↔ j < i])]]