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Proof step 6 from proof validrefs-put-badclassfield (previous step)

is_classtype(st[r0 -- _type] .type), r = jvmref ∨ r ≠ jvmref ∧ is_valid_ref(str, r, st[r0 -- fs ', val]) ∧ (st[r0 -- fs ', val][r -- _type]) .type ≤ ty ⊦ fs ' = _type, fs ' ∈ instfields(st[r0 -- _type] .type .class), junkref(str, r, st), validrefs(str, r ', ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
⊦ validrefs(str, jvmref ', ty, st)
Proof step 5:
is_classtype(st[r0 -- _type] .type), is_valid_ref(str, r, st[r0 -- fs ', val]), st[r -- _type] .type ≤ ty ⊦ fs ' = _type, r = jvmref, fs ' ∈ instfields(st[r0 -- _type] .type .class), junkref(str, r, st), validrefs(str, r ', ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ sk ≠ sk0 → (st[r -- sk, val][r0 -- sk0]) = st[r0 -- sk0]])]]