Error: Override of non-overridable relation Rel in component B in file comp_override.dl at line 6
.comp B : A {
^-------------
Error: Override of non-overridable relation Rel in component D in file comp_override.dl at line 15
.comp D : C {
^-------------
Error: Override of non-inherited relation Rel in component E in file comp_override.dl at line 20
.comp E {
^---------
Error: Override of non-inherited relation Rel in component F in file comp_override.dl at line 26
.comp F {
^---------
4 errors generated, evaluation aborted
