} else {
size = c.getSize();
}
ConcreteEquation identity = new ConcreteEquation();
Variable variable = RelativeVariable.get(c, VariableType.WIDTH);
this.componentAssociations.put(variable, c);
identity.setCoefficient(1, variable);
identity.setRightHandSide(size.width);
myBackend.addEquation(variable, identity);