code: private void checkInitialSatisfaction() {
          //Seems to me we don't support ratio change
          for (Node n : rp.getSourceModel().getMapping().getOnlineNodes()) {
              int nIdx = rp.getNode(n);
              double ratio = getOverbookRatio(nIdx)/*.getLB()*/;
              double capa = getSourceResource().getCapacity(n) * ratio;
              int usage = 0;
              for (VM vm : rp.getSourceModel().getMapping().getRunningVMs(n)) {
                  usage += getSourceResource().getConsumption(vm);
                  if (usage > capa) {
                      //Here, the problem is not feasible but we consider an exception
                      //because such a situation does not physically makes sense (one cannot run at 110%)
                      throw new SchedulerModelingException(rp.getSourceModel(), "Usage of virtual resource " + getResourceIdentifier() + " on node " + n + " (" + usage + ") exceeds its capacity (" + capa + ")");
                  }
              }
          }
      }
docs: Check if the initial capacity > sum current consumption
  The ratio is instantiated now so the computation is correct