fact: Definition Gprog : funspecs := [mark_spec ; main_spec].
imports: Demo.env_mark_bin CertiGraph.graph.graph_model CertiGraph.graph.weak_mark_lemmas CertiGraph.msl_application.Graph CertiGraph.msl_application.Graph_Mark CertiGraph.msl_application.GraphBin CertiGraph.msl_application.GraphBin_Mark CertiGraph.floyd_ext.share Demo.spatial_graph_bin_mark