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Proof step 14 from proof nopathex-badclassfield (previous step)

¬ (¬ is_valid_ref(str, r0, st) ∧ r0 ≠ jvmref), st[r0 -- _type] .type = mkclasstype(class), type∃(str, st[r -- _type] .type), path∃(str, r, r0, st), fs ' ∈ instfields(class), contains(str, st[r -- _type] .type ' + tys + mkclasstype(class) '), interface∃(str, class) ⊦ r = r0, r0 = jvmref, fs ' = _type

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
st[r0 -- _type] .type = mkclasstype(class), type∃(str, st[r -- _type] .type), path∃(str, r, r0, st), fs ' ∈ instfields(class), contains(str, st[r -- _type] .type ' + tys + mkclasstype(class) '), interface∃(str, class), is_valid_ref(str, r0, st) ⊦ r = r0, r0 = jvmref, fs ' = _type

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]