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Proof step 6 from proof pathex-putshortfield (previous step)

is_shortvalue(st[r -- mkfs(class, short_type, fieldvar) ']), validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st[r -- mkfs(class, short_type, fieldvar) ', shortval(sho)]) ⊦ refs0 = [], junkref(str, r0, st), r0 + refs0 ≠ [] ∧ (r0 + refs0) .first = r0 ∧ (r0 + refs0) .last = refs0 .last ∧ validrefs(str, r0 + refs0, mkclasstype(`java.lang.Object' .class), st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
is_shortvalue(st[r -- mkfs(class, short_type, fieldvar) ']), validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st[r -- mkfs(class, short_type, fieldvar) ', shortval(sho)]) ⊦ refs0 = [], junkref(str, r0, st), validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ refs ≠ [] → (r ' + refs) .last = refs .last], [CSIMPSEQ : ⊦ (r ' + refs) .first = r], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r ' ≠ []], [CSIMPSEQ : ⊦ ¬ refs + refs0 ≠ [] ↔ refs = [] ∧ refs0 = []], [CSIMPSEQ : ⊦ r + refs = r ' + refs])]]