diff --git a/src/vcegar/abstractor.cpp b/src/vcegar/abstractor.cpp
index 2102978c2..8a5597c8e 100644
--- a/src/vcegar/abstractor.cpp
+++ b/src/vcegar/abstractor.cpp
@@ -572,8 +572,9 @@ void abstractort::calc_abstract_trans_rel(
     throw "unexpected result from predabs_sat1.solve()";
   }
 
-  print(9, "Generated "+
-    i2string(trans_cube_set.no_insertions())+" cube(s)");
+  debug() <<"Generated "
+          << i2string(trans_cube_set.no_insertions()) << " cube(s)"
+          << eom;
 
   if(show_cubes)
     std::cout << trans_cube_set;
@@ -693,8 +694,9 @@ void abstractort::calc_abstract_initial_states(
   }
 
   // std::cout<<" The abstract transition relation \n";
-  print(9, "Generated "+
-    i2string(initial.no_insertions())+" cube(s)\n");
+  debug() << "Generated " <<
+          << i2string(initial.no_insertions()) <, " cube(s)\n"
+          << eom;
 
   if(show_cubes)
     std::cout << initial;
diff --git a/src/vcegar/modelchecker_smv.cpp b/src/vcegar/modelchecker_smv.cpp
index d5ccf95d1..922346208 100644
--- a/src/vcegar/modelchecker_smv.cpp
+++ b/src/vcegar/modelchecker_smv.cpp
@@ -164,7 +164,7 @@ bool modelchecker_smvt::read_result_cadence_smv(
           counterexample);
 
 
-        print(9, "Cadence SMV counterexample sucessfully read");
+        debug() << "Cadence SMV counterexample sucessfully read" << eom;
 
         return false;
       }
diff --git a/src/verilog/verilog_typecheck_expr.cpp b/src/verilog/verilog_typecheck_expr.cpp
index 03a98c7aa..0228639a1 100644
--- a/src/verilog/verilog_typecheck_expr.cpp
+++ b/src/verilog/verilog_typecheck_expr.cpp
@@ -2026,6 +2026,9 @@ bool verilog_typecheck(
   message_handlert &message_handler,
   const namespacet &ns)
 {
+  const unsigned errors_before=
+    message_handler.get_message_count(messaget::M_ERROR);
+
   verilog_typecheck_exprt verilog_typecheck_expr(
     ns, module_identifier, message_handler);
 
@@ -2048,6 +2051,6 @@ bool verilog_typecheck(
   {
     verilog_typecheck_expr.error() << e << messaget::eom;
   }
-  
-  return verilog_typecheck_expr.get_error_found();
+
+  return message_handler.get_message_count(messaget::M_ERROR)!=errors_before;
 }