diff -r b2ff1902420f -r 06ec8abfd3bc test/Tools/isac/ProgLang/listC.sml
--- a/test/Tools/isac/ProgLang/listC.sml	Wed Jan 11 09:23:18 2023 +0100
+++ b/test/Tools/isac/ProgLang/listC.sml	Wed Jan 11 11:38:01 2023 +0100
@@ -48,9 +48,9 @@
 val prog_expr = get_rls @{context} "prog_expr"
 
 val t = TermC.parse_test @{context} "NTH 1 [a,b,c,d,e]";
-TermC.atomty t;
+TermC.atom_trace_detail @{context} t;
 val thm = Thm.prop_of @{thm NTH_NIL};
-TermC.atomty thm;
+TermC.atom_trace_detail @{context} thm;
 val SOME (t', _) = rewrite_ ctxt Rewrite_Ord.function_empty prog_expr false @{thm NTH_NIL} t;
 if UnparseC.term t' = "a" then () 
 else error "NTH 1 [a,b,c,d,e] = a ..changed";
@@ -65,14 +65,14 @@
              (Const (\<^const_name>\<open>Cons\<close>, _) $ Free ("e", _) $ Const (\<^const_name>\<open>Nil\<close>, _)))))) => ()
 | _ => error "ListC.NTH changed";
 val thm = Thm.prop_of @{thm NTH_CONS};
-TermC.atomty thm;
+TermC.atom_trace_detail @{context} thm;
 val SOME (t', _) = rewrite_ ctxt Rewrite_Ord.function_empty prog_expr false  @{thm NTH_CONS} t;
 if UnparseC.term t' = "NTH (3 + - 1) [b, c, d, e]" then () 
 else error "NTH 3 [a,b,c,d,e] = NTH (3 + - 1) [b, c, d, e] ..changed";
 
 (* now the argument "(3 + - 1)" etc needs to be evaluated in the assumption of NTH_CONS *)
 val t = TermC.parse_test @{context} "NTH 3 [a,b,c,d,e]";
-TermC.atomty t;
+TermC.atom_trace_detail @{context} t;
 
 val SOME (t', _) = rewrite_set_ ctxt false prog_expr t;
 if UnparseC.term t' = "c" then ()