Astral_internal.Backend_sigtype ('term, 'model) status = | SMT_Sat of (SMT.Model.t * 'model) option| SMT_Unsat of (SMT.t * 'term) list| SMT_Unknown of stringType of backend's result parametrised by its internal representation of terms and models.
module type DESCRIPTION = sig ... endSignature of basic solver parameters.
module type BACKEND = sig ... endmodule type SMTLIB_BACKEND = sig ... end