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Proof step 42 from proof validval-put-any (previous step)

¬ (validref(str, r0, ty, st) ∧ ¬ is_array(str, r1, st)), st[r1 -- _type] .type .type = void_type, i ' .fs = mkfs(class0, ty0, fieldvar0), is_reftype(ty), validref(str, r0, ty, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, validref(str, r0, ty, st[r1 -- i ', refval(jvmref)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 41:
st[r1 -- _type] .type .type = void_type, i ' .fs = mkfs(class0, ty0, fieldvar0), is_reftype(ty), validref(str, r0, ty, st), is_array(str, r1, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, validref(str, r0, ty, st[r1 -- i ', refval(jvmref)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]