enrich refine-def with predicates T : cstate × astate; axioms initialization : ⊦ CINIT ⊗ T ⊆ AINIT; correctness : ⊦ COP(i) ⊗ T ⊆ T ⊗ AOP(i); finalization : ⊦ CFIN ⊆ T ⊗ AFIN; end enrich