Non bool relations (#130)

This adds a source-to-source translation that removes all
non-boolean-returning relations. It also changes the todo!s in the
checkers to panic!s and updates the checker code paths in command.rs.

---------

Signed-off-by: Alex Fischman <[email protected]>
Signed-off-by: James R. Wilcox <[email protected]>
Co-authored-by: James R. Wilcox <[email protected]>

bounded/src/bdd.rs

@@ -294,12 +294,12 @@ fn check_internal<'a>(
 
     for relation in &module.signature.relations {
         if relation.sort != Sort::Bool {
-            todo!("non-bool relations")
+            panic!("non-bool relations in checker (use Module::convert_non_bool_relations)")
         }
     }
 
     if !module.defs.is_empty() {
-        todo!("definitions are not supported yet");
+        panic!("definitions in checker (use Module::inline_defs)")
     }
 
     let d = extract(module).map_err(CheckerError::ExtractionError)?;

bounded/src/sat.rs

@@ -168,12 +168,12 @@ pub fn check(
 
     for relation in &module.signature.relations {
         if relation.sort != Sort::Bool {
-            todo!("non-bool relations")
+            panic!("non-bool relations in checker (use Module::convert_non_bool_relations)")
         }
     }
 
     if !module.defs.is_empty() {
-        todo!("definitions are not supported yet");
+        panic!("definitions in checker (use Module::inline_defs)")
     }
 
     let d = extract(module).map_err(CheckerError::ExtractionError)?;

bounded/src/set.rs

@@ -563,7 +563,7 @@ fn translate<'a>(
 ) -> Result<(BoundedProgram, Indices<'a>), TranslationError> {
     for relation in &module.signature.relations {
         if relation.sort != Sort::Bool {
-            todo!("non-bool relations")
+            panic!("non-bool relations in checker (use Module::convert_non_bool_relations)")
         }
     }
 
@@ -579,7 +579,7 @@ fn translate<'a>(
     }
 
     if !module.defs.is_empty() {
-        todo!("definitions are not supported yet");
+        panic!("definitions in checker (use Module::inline_defs)")
     }
 
     let d = extract(module).map_err(TranslationError::ExtractionError)?;

bounded/src/smt.rs

@@ -37,7 +37,7 @@ pub fn check(
     print_timing: bool,
 ) -> Result<CheckerAnswer, CheckerError> {
     if !module.defs.is_empty() {
-        todo!("definitions are not supported yet");
+        panic!("definitions are not supported yet");
     }
 
     let d = extract(module).map_err(CheckerError::ExtractionError)?;

fly/src/lib.rs

@@ -18,6 +18,7 @@ pub mod defs;
 pub mod ouritertools;
 pub mod parser;
 pub mod printer;
+pub mod rets;
 pub mod semantics;
 pub mod sorts;
 pub mod syntax;