As soon as an XOR rule with multiple outgoing connections is activated, a process folder with the process number of the activating process folder is forwarded to exactly one subsequent control flow object. Forwarding is based on probabilities by default. Probabilities can be defined for connections or for the events that follow them (Simulation attribute type group, Probability attribute). If probabilities have been defined for both connections and events, the probabilities defined for the connections have precedence. The sum of probabilities for all events or connections of the leads to type that occur after an XOR rule must be equal to 1. If no probabilities have been specified or if the sum of all probabilities is not equal to 1, the following rules apply:
If all probabilities have been specified and they are equal to 0, nothing is changed.
If all probabilities have been specified and the sum is not equal to 1, the probability values are normalized so that their sum is equivalent to 1.
If probabilities have been specified only partly and their sum is less than 1, the difference between 1 and the sum of the specified probabilities is distributed equally among the probabilities that have not been specified.
If probabilities have been specified only partly and their sum is greater than 1, missing probabilities are set to 0 and the probabilities that have been specified are normalized so that their sum is equal to 1.