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Proof step 5 from proof validref-put-badclassfield (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
st[r0 -- _type] .type = mkclasstype(class), st[r -- _type] .type ≤ ty, junkref(str, r, st[r0 -- fs ', val]) ⊦ fs ' = _type, r = jvmref, fs ' ∈ instfields(class), junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]