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Proof step 26 from proof nopathex-badarrayfield (previous step)

refs0 = refs + r0 ', fs ' = _length, validrefs(str, r ' + refs0, st[r -- _type] .type, st), is_arraytype(st[r0 -- _type] .type), contains(str, st[r -- _type] .type, st[r0 -- _type] .type), is_valid_ref(str, r, st) ⊦ r = r0, refs0 = [], r0 = jvmref, r = jvmref, contains(str, st[r -- _type] .type, fs)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 25:
fs ' = _length, validrefs(str, r ' + refs + r0 ', st[r -- _type] .type, st), is_arraytype(st[r0 -- _type] .type), contains(str, st[r -- _type] .type, st[r0 -- _type] .type), is_valid_ref(str, r, st) ⊦ r = r0, r0 = jvmref, r = jvmref, contains(str, st[r -- _type] .type, fs)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ refs + r ' ≠ []])]]