code: def store_field(self, state, field_name, field_type, value):
          
          field_ref = SimSootValue_InstanceFieldRef(self.heap_alloc_id, self.type, field_name, field_type)
          state.memory.store(field_ref, value)
docs: Store a field of a given object, without resolving hierachy
  
          :param state: angr state where we want to allocate the object attribute
          :type SimState
          :param field_name: name of the attribute
          :type str
          :param field_value: attibute's value
          :type SimSootValue