Exemple #1
0
def export_petri_to_spec(petri_net: PetriNet, filename, write_initial_marking=False):
    file = open(filename, "a")
    place_names = []
    for p in petri_net.get_places():
        place_names.append("x" + str(p))

    file.write("vars\n\t")
    for place in place_names:
        file.write(place + " ")

    file.write("\n\nrules\n")
    for tran in petri_net.get_transitions():
        pre = tran.get_pre()
        first = True
        for p in petri_net.get_places():
            if pre[p] > 0:
                if first:
                    file.write("\t")
                else:
                    file.write(" , ")
                file.write(place_names[p] + " >= " + str(int(pre[p])))
                first = False
        file.write(" ->\n")
        first = True
        incidence = tran.get_incidence()
        for p in petri_net.get_places():
            if incidence[p] != 0:
                if not first:
                    file.write(",\n")
                if incidence[p] > 0:
                    file.write("\t\t" + place_names[p] + "' = " + place_names[p] + "+" + str(int(incidence[p])))
                else:
                    file.write("\t\t" + place_names[p] + "' = " + place_names[p] + "-" + str(int(incidence[p]) * (-1)))
                first = False
        file.write(";\n\n")
    if not write_initial_marking:
        file.close()
        return

    file.write("init\n\t")
    first = True
    init_mark = (petri_net.get_mark())
    for p in petri_net.get_places():
        if not first:
            file.write(" , ")
        if init_mark[p] == float("inf"):
            file.write(place_names[p] + " >= 1")
        else:
            file.write(place_names[p] + " = " + str(int(init_mark[p])))
        first = False
    file.close()
Exemple #2
0
def run_benchmark(name,
                  petri: petri_net.PetriNet,
                  time_out,
                  init_marking=None,
                  with_acc=True):
    benchmark = Benchmark(name)

    print("starting %s" % name + " numb of trans: " +
          str(len(petri.get_transitions())) + " num of places: " +
          str(petri.get_dim()))
    start_time = time.time()
    if init_marking is None:
        cov = CovTree(petri, petri.get_mark())
    else:
        cov = CovTree(petri, init_marking)
    cov.keep_accelerations = with_acc
    cov.type_of_graph_traversal = "DFS"
    cov.use_z3_to_guess_accelerations = False
    cov.check_for_correctness = False
    cov.verbose = True
    cov.timeout = time_out

    benchmark.clover = cov.generate_cov_tree()

    benchmark.timeout = benchmark.clover is None

    elapsed_time = time.time() - start_time
    benchmark.max_vertices = cov.max_size
    benchmark.max_accelerations = cov.max_size_of_acc
    benchmark.final_accelerations = len(cov._accelerations)
    benchmark.final_vertices = len(cov._verSet)
    benchmark.used_accelerations = cov.use_of_acc
    benchmark.time = elapsed_time
    benchmark.places = len(petri.get_places())
    benchmark.transitions = len(petri.get_transitions())
    benchmark.num_of_comparisons = cov.num_of_comparisons
    benchmark.num_of_recheck = cov.num_of_rechecks

    return benchmark, cov