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Proof step 4 from proof initundone-03 (previous step)

⊦ _uninit ∈ st[r -- _length, val] ∧ ¬ jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st ∨ st[jvmref -- mkfs(class1, void_type, `initstate' .field) '] = initval(undone) ∧ jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st[r -- _length, val] ↔ jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st ∧ st[jvmref -- mkfs(class1, void_type, `initstate' .field) '] = initval(undone) ∨ ¬ jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st ∧ _uninit ∈ st

Heuristic pl case distinction applied rule case distinction

And obtained the following new goals

Proof step 3:
_uninit ∈ st[r -- _length, val] ∧ ¬ jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st ∨ st[jvmref -- mkfs(class1, void_type, `initstate' .field) '] = initval(undone) ∧ jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st[r -- _length, val] ⊦ jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st ∧ st[jvmref -- mkfs(class1, void_type, `initstate' .field) '] = initval(undone) ∨ ¬ jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st ∧ _uninit ∈ st

Rule argument

[CASEDARG : pos: right 1, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ rk ∈ st[rk0, val] ↔ rk = rk0 ∨ rk ∈ st], [CSIMPSEQ : ⊦ r -- _length ≠ _uninit], [CSIMPSEQ : ⊦ r -- sk = r0 -- sk0 ↔ ¬ ¬ (r = r0 ∧ sk = sk0)], [CSIMPSEQ : ⊦ mkfs (class1, ty, `initstate' .field) ' ≠ _length])]]