fixing smtfd

Signed-off-by: Nikolaj Bjorner <[email protected]>

Author: NikolajBjorner

src/api/dotnet/Context.cs

@@ -2636,6 +2636,7 @@ public ReExpr MkIntersect(params ReExpr[] t)
 
         /// <summary>
         /// Create the empty regular expression.
+	/// The sort s should be a regular expression.
         /// </summary>
         public ReExpr MkEmptyRe(Sort s) 
         {
@@ -2645,6 +2646,7 @@ public ReExpr MkEmptyRe(Sort s)
 
         /// <summary>
         /// Create the full regular expression.
+	/// The sort s should be a regular expression.
         /// </summary>
         public ReExpr MkFullRe(Sort s) 
         {

src/ast/array_decl_plugin.cpp

@@ -259,8 +259,8 @@ func_decl* array_decl_plugin::mk_select(unsigned arity, sort * const * domain) {
             std::stringstream strm;
             strm << "domain sort " << sort_ref(domain[i+1], *m_manager) << " and parameter ";
             strm << parameter_pp(parameters[i], *m_manager) << " do not match";
+            SASSERT(false);
             m_manager->raise_exception(strm.str());
-            UNREACHABLE();
             return nullptr;
         }
         new_domain.push_back(to_sort(parameters[i].get_ast()));
@@ -303,6 +303,7 @@ func_decl * array_decl_plugin::mk_store(unsigned arity, sort * const * domain) {
         if (!m_manager->compatible_sorts(srt1, srt2)) {
             std::stringstream strm;
             strm << "domain sort " << sort_ref(srt2, *m_manager) << " and parameter sort " << sort_ref(srt1, *m_manager) << " do not match";
+            SASSERT(false);
             m_manager->raise_exception(strm.str());
             UNREACHABLE();
             return nullptr;