fix: add quotes to ap in pmc-sog formulas

scripts/formula_generator.py

@@ -75,7 +75,8 @@ def generate_spot_formulas(model_name, model_instance, n, paths):
                              f'{model_instance}.pnml')
 
     atomic_propositions = get_atomic_propositions(pnml_file)
-    atomic_propositions = '==1 '.join(atomic_propositions['places'])
+    atomic_propositions = " ".join(
+        [f"{ap}==1" for ap in atomic_propositions['places']])
 
     command = f'{paths["randltl"]} -L -s -p -n{n} --ltl-priorities="{ignored_operators}" {atomic_propositions}'
 
@@ -144,7 +145,11 @@ def write_formula(model_name, model_instance, formula, identifier):
     with open(os.path.join(base, filename_ltsmin), 'w') as ltsmin, \
         open(os.path.join(base, filename_pmcsog), 'w') as pmcsog:
 
-        pmcsog_formula = formula.replace('==1', '')
+        # remove ==1 and add " to atomic propositions
+        pmcsog_formula = re.sub(pattern=r'\((\w*\d*)==1\)',
+                                repl='("\\1")',
+                                string=formula)
+
         ltsmin.write(formula)
         pmcsog.write(pmcsog_formula)
 
@@ -155,7 +160,7 @@ def generate_formulas(model_name,
                       timeout,
                       paths,
                       save=True):
-    """Generates N satified and N violated formulas"""
+    """Generates N satisfied and N violated formulas"""
     true_formulas = []
     false_formulas = []