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Proof step 17 from proof sharing-pathex-field-self-01 (previous step)

st[r -- fs '] = refval(r0) ∧ is_referencevalue(st[r -- fs ']), r = r0, is_classtype(st[r -- _type] .type), fs ' ∈ instfields(st[r -- _type] .type .class), validrefs(str, r ', mkclasstype(`java.lang.Object' .class), st) ⊦ r = jvmref, hasSharing(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 16:
st[r0 -- fs '] = refval(r0), validrefs(str, r0 ', mkclasstype(`java.lang.Object' .class), st), fs ' ∈ instfields(st[r0 -- _type] .type .class), is_classtype(st[r0 -- _type] .type) ⊦ r0 = jvmref, hasSharing(r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : javavalue, , test-19, ⊦ is_referencevalue(refval(r))])]]