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This transformation step uses the results from the dependency analysis. It checks, whether a valid schedule for the SCG exists and calculates the node priorities afterwards. Therefore, the strongly connected components of the SCG are calculated, where the nodes of the SCG are the nodes of directed the graph which is connected by dependency and transition edges. Pause edges are ignored. If such a strongly connected component contains a dependency edge, the SCG is not schedulable. Otherwise, the SCG is schedulale and the node priorities, which are crucial for the schedule, can be determined. The priority of a node is the longest path originating from that node, where strongly connected components are considered as a single node and transition edges have weight 0  and dependency edges have weight 1. Again, pause edges are ignored. The theoretical foundation of this transformation step can be found here.

The image shows the resulting node priorities for ABO (blue).

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