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Proof step 8 from proof validrefs-put-notin-02 (previous step)

okval(val, ty0), r0 = jvmref ∨ r0 ≠ jvmref ∧ is_valid_ref(str, r0, st) ∧ st[r0 -- _type] .type ≤ ty ⊦ mkfs(class, ty0, fieldvar) ' = _length, mkfs(class, ty0, fieldvar) ' = _type, r0 = jvmref, is_valid_ref(str, r0, st[r -- mkfs(class, ty0, fieldvar) ', val]) ∧ st[r0 -- _type] .type ≤ ty

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
okval(val, ty0), is_valid_ref(str, r0, st), st[r0 -- _type] .type ≤ ty ⊦ mkfs(class, ty0, fieldvar) ' = _length, mkfs(class, ty0, fieldvar) ' = _type, r0 = jvmref, is_valid_ref(str, r0, st[r -- mkfs(class, ty0, fieldvar) ', val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]