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Theorem nosharing-forward

⊦ is_classtype(st[r -- _type] .type) ∧ validrefnotnull(str, r, ty, st) ∧ fs ' ∈ instfields(st[r -- _type] .type .class) ∧ ¬ hasSharing(r, st) → ¬ hasSharing(st[r -- fs '] .refval, st)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 17
Proof steps: 34
Used lemmas: fits-storekeys-rec, hasSharing-def,
Used spec theorems:
Used simplifier rules:
- javavalue/sel-09
- list/storekeys/e-01
- junkrefs/validref-null
- javatype/test-28
- javatype/sel-02
- storekey/test-07
- list/storekeys/e
- list/storekeys/app-02-ant
- list/storekeys/a
- list/storekeys/app-01
- list/storekeys/c
- javavalue/test-19
- valuefuns/refval-xtra
- javavalue/elim-refval
- javatype/test-10
- junkrefs/validrefnotnull-notnull
- javatype/elim-02