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Proof step 30 from proof junkref-primarray-lvl (previous step)

¬ (r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ mkarraytype(ty))), st[r -- _type] = typeval(mkarraytype(ty)), is_primtype(ty), junkrefs(str1, r ' + refs0, mkarraytype(ty), st) ⊦ junkrefs(str, r ' + refs0, mkarraytype(ty), st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 21:
⊦ ¬ junkrefs(str, jvmref ' + refs, ty, st)
Proof step 29:
st[r -- _type] = typeval(mkarraytype(ty)), is_valid_ref(str, r, st), junkrefs(str1, r ' + refs0, mkarraytype(ty), st), is_primtype(ty) ⊦ r = jvmref, junkrefs(str, r ' + refs0, mkarraytype(ty), st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_arraytype(mkarraytype(ty))], [CSIMPSEQ : ⊦ ty ≤ ty], [CSIMPSEQ : ⊦ mkarraytype(ty) .type = ty], [CSIMPSEQ : ⊦ typeval(ty) .type = ty], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ ty0 ≤ mkarraytype(ty) ↔ is_arraytype(ty0) ∧ ty0 .type ≤ ty])]]