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Proof step 26 from proof junkrefs-put-null-02 (previous step)

¬ (is_array(str, r0, st[r -- i ', refval(jvmref)]) ∧ (st[r -- i ', refval(jvmref)][r0 -- _type]) .type ≤ ty), is_array(str, r0, st), junkrefs(str, r0 ' + acc, ty, st[r -- i ', refval(jvmref)]), is_reftype(st[r -- _type] .type .type), st[r0 -- _type] .type ≤ ty, ∀ st, r, str, ty, i. is_reftype(st[r -- _type] .type .type) ∧ junkrefs(str, acc, ty, st[r -- i ', refval(jvmref)]) → r = jvmref ∨ junkrefs(str, acc, ty, st) ⊦ r0 = jvmref, r = jvmref, junkrefs(str, r0 ' + acc, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 25:
is_array(str, r0, st), junkrefs(str, r0 ' + acc, ty, st[r -- i ', refval(jvmref)]), is_reftype(st[r -- _type] .type .type), st[r0 -- _type] .type ≤ ty, ∀ st, r, str, ty, i. is_reftype(st[r -- _type] .type .type) ∧ junkrefs(str, acc, ty, st[r -- i ', refval(jvmref)]) → r = jvmref ∨ junkrefs(str, acc, ty, st) ⊦ r0 = jvmref, r = jvmref, junkrefs(str, r0 ' + acc, ty, st), is_array(str, r0, st[r -- i ', refval(jvmref)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (st[r -- i ', val][r0 -- _type]) = st[r0 -- _type]], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]