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Proof step 132 from proof unchanged-junkrefs-level (previous step)

¬ (r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st1) ∨ ¬ st1[r -- _type] .type ≤ ty)), level⊆(str, str0), unchanged(str0, r, st, st1), junkrefs(str, r ' + refs0, ty, st), ∀ str0, st, st1, str, ty. unchanged(str0, refs0 .first, st, st1) ∧ junkrefs(str, refs0, ty, st) ∧ level⊆(str, str0) → junkrefs(str, refs0, ty, st1) ⊦ junkrefs(str, r ' + refs0, ty, st1)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 131:
level⊆(str, str0), unchanged(str0, r, st, st1), junkrefs(str, r ' + refs0, ty, st), is_valid_ref(str, r, st1), st1[r -- _type] .type ≤ ty, ∀ str0, st, st1, str, ty. unchanged(str0, refs0 .first, st, st1) ∧ junkrefs(str, refs0, ty, st) ∧ level⊆(str, str0) → junkrefs(str, refs0, ty, st1) ⊦ r = jvmref, junkrefs(str, r ' + refs0, ty, st1)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : junkrefs, , junkrefs-null-02, ⊦ ¬ junkrefs (str, jvmref ' + refs, ty, st)], [CSIMPNAMEDSEQ : list, references, a, ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]