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Proof step 159 from proof pseq-sym-01 (previous step)

st1[r1 -- i '] = refval(r2), st[r -- _type] = st1[r1 -- _type], st[r -- _length] .intval = st1[r1 -- _length] .intval, i < st1[r1 -- _length] .intval, is_arraytype(st1[r1 -- _type] .type), 0 ≤ i, 0 < st1[r1 -- _length] .intval, ∀ i. ¬ i < 0 ∧ ¬ st1[r1 -- _length] .intval ≤ i ∧ ¬ is_referencevalue(st[r -- i ']) → st[r -- i '] = st1[r1 -- i '], is_referencevalue(st[r -- i ']) → ps=(st[r -- i '] .refval, st, r2, st1), ∀ st, r, st0, r0, str0. maxpath(str0, r0, st0) < maxpath(str, r1, st1) → ( true → ( ¬ cyclic(str0, r, st) ∧ ¬ cyclic(str0, r0, st0) ∧ ¬ junkref(str0, r, st) ∧ ¬ junkref(str0, r0, st0) → (ps=(r, st, r0, st0) → ps=(r0, st0, r, st)))) ⊦ r1 = jvmref, r = jvmref, ps=(r2, st1, st[r -- i '] .refval, st), cyclic(str, r, st), cyclic(str, r1, st1), junkref(str, r, st), junkref(str, r1, st1)

User applied rule case distinction

And obtained the following new goals

Rule argument

[CASEDARG : pos: left 9, ()]

Additional information

[[CONCRETESIMPRULES : ()]]