session bellman_ford = NTP4Verif +
theories
  "bellman_ford_Graph_sqtvc"
  "bellman_ford_Graph_vertices_cardinal_posqtvc"
  "bellman_ford_Graph_path_in_verticesqtvc"
  "bellman_ford_Graph_long_path_decompositionqtvc"
  "bellman_ford_Graph_long_path_reductionqtvc"
  "bellman_ford_Graph_simple_pathqtvc"
  "bellman_ford_Graph_key_lemma_1qtvc"
  "bellman_ford_BellmanFord_initialize_single_sourceqtvc"
  "bellman_ford_Graph"
  "bellman_ford_BellmanFord_inv2_pathqtvc"
  "bellman_ford_BellmanFord_key_lemma_2qtvc"
  "bellman_ford_BellmanFord_relaxqtvc"
  "bellman_ford_BellmanFord_bellman_fordqtvc"
