val k_max_depth : int Flex_state.keyval k_max_app_projections : int Flex_state.keyval k_max_var_imitations : int Flex_state.keyval k_max_rigid_imitations : int Flex_state.keyval k_max_identifications : int Flex_state.keyval k_max_elims : int Flex_state.keyval k_imit_first : bool Flex_state.keyval k_pattern_decider : bool Flex_state.keyval k_solid_decider : bool Flex_state.keyval k_fixpoint_decider : bool Flex_state.keyval k_solidification_limit : int Flex_state.keyval k_max_inferences : int Flex_state.keyval k_max_unifs_solid_ff : int Flex_state.keyval k_use_weight_for_solid_subsumption : bool Flex_state.keyval k_sort_constraints : bool Flex_state.keyval k_try_lfho : bool Flex_state.keyval k_skip_multiplier : float Flex_state.key