equation
INSTANCE equation#8;
description = "total_mark = exam_mark + lab_mark";
hlcs_extracted = {adder#4}; (* set indirectly *)
covered_by = {adder#4}; (* set indirectly *)
tipe = simple_type(logical_type);
equal_expressions = {explicit_attribute#323, addition#4};
END_INSTANCE;
INSTANCE equation#9;
description = "sum_marks(courses_taken) = average_mark * SIZEOF(courses_taken)";
hlcs_extracted = {multiplier#4}; (* set indirectly *)
covered_by = {multiplier#4}; (* set indirectly *)
tipe = simple_type(logical_type);
equal_expressions = {function_call#6, multiplication#4};
END_INSTANCE;
INSTANCE equation#10;
extracted_from = {derived_attribute#3};
description = "null";
equal_expressions = {derived_attribute#3, addition#3};
END_INSTANCE;
INSTANCE equation#11;
extracted_from = {derived_attribute#4};
description = "null";
equal_expressions = {derived_attribute#4, multiplication#3};
END_INSTANCE;