- xbt_propositional_symbol_t ps = xbt_new_propositional_symbol(automaton,"p", &predP);
- ps = xbt_new_propositional_symbol(automaton,"q", &predQ);
+ xbt_new_propositional_symbol(automaton,"p", &predP);
+ xbt_new_propositional_symbol(automaton,"q", &predQ);