Smtbackend.Smtlib_sig
type counter_example = unit
type sat =
| Sat of counter_example
| Unsat
| Unknown
module type Common_S = sig ... end
module type Typed_S = sig ... end
module type Untyped_S = sig ... end
module type Untyped_Muz = sig ... end
module type Param_S = sig ... end