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Proof step 13 from proof init-put-short (previous step)

is_shortvalue(st[rk]), rk ∈ st, ¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ ((jvmref -- mkfs(class, void_type, `initstate' .field) ' = rk ⊃ shortval(sho); st[jvmref -- mkfs(class, void_type, `initstate' .field) '])) ≠ initval(undone), jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st[rk, shortval(sho)] ∨ ¬ _uninit ∈ st, ¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ ((jvmref -- mkfs(class, void_type, `initstate' .field) ' = rk ⊃ shortval(sho); st[jvmref -- mkfs(class, void_type, `initstate' .field) '])) ≠ initval(error) ⊦ (¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ st[jvmref -- mkfs(class, void_type, `initstate' .field) '] ≠ initval(undone)) ∧ (jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ ¬ _uninit ∈ st) ∧ (¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ st[jvmref -- mkfs(class, void_type, `initstate' .field) '] ≠ initval(error))

Heuristic if-then-else split applied rule case distinction

And obtained the following new goals

Proof step 12:
((jvmref -- mkfs(class, void_type, `initstate' .field) ' = rk ⊃ shortval(sho); st[jvmref -- mkfs(class, void_type, `initstate' .field) '])) ≠ initval(undone), is_shortvalue(st[rk]), rk ∈ st, jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st[rk, shortval(sho)] ∨ ¬ _uninit ∈ st, ¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ ((jvmref -- mkfs(class, void_type, `initstate' .field) ' = rk ⊃ shortval(sho); st[jvmref -- mkfs(class, void_type, `initstate' .field) '])) ≠ initval(error) ⊦ (¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ st[jvmref -- mkfs(class, void_type, `initstate' .field) '] ≠ initval(undone)) ∧ (jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ ¬ _uninit ∈ st) ∧ (¬ jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st ∨ st[jvmref -- mkfs(class, void_type, `initstate' .field) '] ≠ initval(error))

Rule argument

[CASEDARG : pos: left 3, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ rk ∈ st[rk0, val] ↔ rk = rk0 ∨ rk ∈ st])]]