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Proof step 64 from proof hasSharing-put-byteval-01 (previous step)

fs = mkfs(class, ty, fieldvar), ty = byte_type, is_bytevalue(st[r -- fs ']) ⊦ ¬ hasSharing(r0, st[r -- fs ', byteval(by)]) ↔ ¬ hasSharing(r0, st), fs ' = _type, fs ' = _length, r = jvmref, junkref(str, r0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 63:
is_bytevalue(st[r -- mkfs(class, byte_type, fieldvar) ']) ⊦ ¬ hasSharing(r0, st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) ↔ ¬ hasSharing(r0, st), mkfs(class, byte_type, fieldvar) ' = _length, r = jvmref, junkref(str, r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class1, byte_type, fieldvar) ' ≠ _type])]]