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Proof step 36 from proof fits-subset (previous step)

is_array(str, r, st0), st0[r -- i '] = refval(r0), 0 < st0[r -- _length] .intval, 0 ≤ i, r ∈ st0, i < st0[r -- _length] .intval, is_arraytype(st0[r -- _type] .type), fits(r0, sks0, st), st0 ⊆ st, is_array(str, r, st0), r -- _type ∈ st0, r -- _length ∈ st0, r -- i ' ∈ st0, junkref(str, r0, st0) ⊦ r = jvmref, ∃ i. 0 ≤ i ∧ i < st0[r -- _length] .intval ∧ is_referencevalue(st0[r -- i ']) ∧ st0[r -- i '] .refval ≠ jvmref ∧ (¬ st0[st0[r -- i '] .refval -- _type] .type ≤ st0[r -- _type] .type .type ∨ junkref(str, st0[r -- i '] .refval, st0)), fits(r0, sks0, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 35:
st0[r -- i '] = refval(r0), 0 < st0[r -- _length] .intval, 0 ≤ i, r ∈ st0, i < st0[r -- _length] .intval, is_arraytype(st0[r -- _type] .type), fits(r0, sks0, st), st0 ⊆ st, is_array(str, r, st0), r -- _type ∈ st0, r -- _length ∈ st0, r -- i ' ∈ st0, junkref(str, r0, st0) ⊦ r = jvmref, fits(r0, sks0, st0), ∃ i0. ¬ i0 < 0 ∧ ¬ st0[r -- _length] .intval ≤ i0 ∧ is_referencevalue(st0[r -- i0 ']) ∧ st0[r -- i0 '] .refval ≠ jvmref ∧ (¬ st0[st0[r -- i0 '] .refval -- _type] .type ≤ st0[r -- _type] .type .type ∨ junkref(str, st0[r -- i0 '] .refval, st0))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ i < j ↔ j ≤ i], [CSIMPSEQ : ⊦ ¬ i ≤ j ↔ j < i])]]