Parameter MakeBackendIO.1-B

val init_backend : unit -> unit
type backend_context
val make_context : Shared_ast.decl_ctx -> backend_context
type vc_encoding
val print_encoding : vc_encoding -> string
type model
type solver_result =
| ProvenTrue
| ProvenFalse of model option
| Unknown
val solve_vc_encoding : backend_context -> vc_encoding -> solver_result
val print_model : backend_context -> model -> string
val is_model_empty : model -> bool