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Proof step 24 from proof addarrays-initdone (previous step)

is_fskey(mkfs(class, void_type, `initstate' .field) ') ∧ mkfs(class, void_type, `initstate' .field) ' ≠ _length ∧ mkfs(class, void_type, `initstate' .field) ' ≠ _type ⊦ ( ¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ (addarrays(refs, ty, ints, i, st)[jvmref -- mkfs(class, void_type, `initstate' .field) ']) ≠ initval(error)) ∧ ¬ initundone(class, addarrays(refs, ty, ints, i, st)) ↔ initdone(class, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
⊦ is_fskey(sk) ∧ sk ≠ _length ∧ sk ≠ _type → (addarrays(refs, ty, ints, i, st)[r -- sk]) = st[r -- sk]
Proof step 23:
⊦ mkfs(class, void_type, `initstate' .field) ' = _type, (st[jvmref -- mkfs(class, void_type, `initstate' .field) '] ≠ initval(error) ∨ ¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st) ∧ ¬ initundone(class, addarrays(refs, ty, ints, i, st)) ↔ initdone(class, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_fskey(fs ')], [CSIMPSEQ : ⊦ mkfs (class1, ty, `initstate' .field) ' ≠ _length])]]