diff --git a/code/languages/com.mbeddr.mpsutil/solutions/com.mbeddr.mpsutil.ecore.testing.runtime/models/com/mbeddr/mpsutil/ecore/testing/runtime/main.mps b/code/languages/com.mbeddr.mpsutil/solutions/com.mbeddr.mpsutil.ecore.testing.runtime/models/com/mbeddr/mpsutil/ecore/testing/runtime/main.mps
index a91e1c59a50..4715f6f4563 100644
--- a/code/languages/com.mbeddr.mpsutil/solutions/com.mbeddr.mpsutil.ecore.testing.runtime/models/com/mbeddr/mpsutil/ecore/testing/runtime/main.mps
+++ b/code/languages/com.mbeddr.mpsutil/solutions/com.mbeddr.mpsutil.ecore.testing.runtime/models/com/mbeddr/mpsutil/ecore/testing/runtime/main.mps
@@ -75,7 +75,7 @@
         <property id="1176718929932" name="isFinal" index="3TUv4t" />
         <child id="1068431790190" name="initializer" index="33vP2m" />
       </concept>
-      <concept id="1513279640923991009" name="jetbrains.mps.baseLanguage.structure.IGenericClassCreator" flags="ng" index="366HgL">
+      <concept id="1513279640923991009" name="jetbrains.mps.baseLanguage.structure.IGenericClassCreator" flags="ngI" index="366HgL">
         <property id="1513279640906337053" name="inferTypeParams" index="373rjd" />
       </concept>
       <concept id="1068498886296" name="jetbrains.mps.baseLanguage.structure.VariableReference" flags="nn" index="37vLTw">
@@ -84,6 +84,7 @@
       <concept id="1068498886292" name="jetbrains.mps.baseLanguage.structure.ParameterDeclaration" flags="ir" index="37vLTG" />
       <concept id="1068498886294" name="jetbrains.mps.baseLanguage.structure.AssignmentExpression" flags="nn" index="37vLTI" />
       <concept id="1225271177708" name="jetbrains.mps.baseLanguage.structure.StringType" flags="in" index="17QB3L" />
+      <concept id="1225271221393" name="jetbrains.mps.baseLanguage.structure.NPENotEqualsExpression" flags="nn" index="17QLQc" />
       <concept id="1225271283259" name="jetbrains.mps.baseLanguage.structure.NPEEqualsExpression" flags="nn" index="17R0WA" />
       <concept id="4972933694980447171" name="jetbrains.mps.baseLanguage.structure.BaseVariableDeclaration" flags="ng" index="19Szcq">
         <child id="5680397130376446158" name="type" index="1tU5fm" />
@@ -129,7 +130,7 @@
       <concept id="1079359253375" name="jetbrains.mps.baseLanguage.structure.ParenthesizedExpression" flags="nn" index="1eOMI4">
         <child id="1079359253376" name="expression" index="1eOMHV" />
       </concept>
-      <concept id="1204053956946" name="jetbrains.mps.baseLanguage.structure.IMethodCall" flags="ng" index="1ndlxa">
+      <concept id="1204053956946" name="jetbrains.mps.baseLanguage.structure.IMethodCall" flags="ngI" index="1ndlxa">
         <reference id="1068499141037" name="baseMethodDeclaration" index="37wK5l" />
         <child id="1068499141038" name="actualArgument" index="37wK5m" />
       </concept>
@@ -154,7 +155,7 @@
         <child id="8276990574895933172" name="throwable" index="1zc67B" />
       </concept>
       <concept id="1073239437375" name="jetbrains.mps.baseLanguage.structure.NotEqualsExpression" flags="nn" index="3y3z36" />
-      <concept id="1178549954367" name="jetbrains.mps.baseLanguage.structure.IVisible" flags="ng" index="1B3ioH">
+      <concept id="1178549954367" name="jetbrains.mps.baseLanguage.structure.IVisible" flags="ngI" index="1B3ioH">
         <child id="1178549979242" name="visibility" index="1B3o_S" />
       </concept>
       <concept id="1144226303539" name="jetbrains.mps.baseLanguage.structure.ForeachStatement" flags="nn" index="1DcWWT">
@@ -192,7 +193,7 @@
       <concept id="1172073500303" name="jetbrains.mps.baseLanguage.unitTest.structure.Message" flags="ng" index="3_1$Yv">
         <child id="1172073511101" name="message" index="3_1BAH" />
       </concept>
-      <concept id="1172075514136" name="jetbrains.mps.baseLanguage.unitTest.structure.MessageHolder" flags="ng" index="3_9gw8">
+      <concept id="1172075514136" name="jetbrains.mps.baseLanguage.unitTest.structure.MessageHolder" flags="ngI" index="3_9gw8">
         <child id="1172075534298" name="message" index="3_9lra" />
       </concept>
     </language>
@@ -234,7 +235,7 @@
         <property id="1193676396447" name="virtualPackage" index="3GE5qa" />
         <child id="5169995583184591170" name="smodelAttribute" index="lGtFl" />
       </concept>
-      <concept id="1169194658468" name="jetbrains.mps.lang.core.structure.INamedConcept" flags="ng" index="TrEIO">
+      <concept id="1169194658468" name="jetbrains.mps.lang.core.structure.INamedConcept" flags="ngI" index="TrEIO">
         <property id="1169194664001" name="name" index="TrG5h" />
       </concept>
       <concept id="709746936026466394" name="jetbrains.mps.lang.core.structure.ChildAttribute" flags="ng" index="3VBwX9">
@@ -1797,6 +1798,79 @@
             </node>
           </node>
         </node>
+        <node concept="3clFbF" id="2t75AsPsRRY" role="3cqZAp">
+          <node concept="2OqwBi" id="2t75AsPsRRV" role="3clFbG">
+            <node concept="10M0yZ" id="2t75AsPsRRW" role="2Oq$k0">
+              <ref role="1PxDUh" to="wyt6:~System" resolve="System" />
+              <ref role="3cqZAo" to="wyt6:~System.out" resolve="out" />
+            </node>
+            <node concept="liA8E" id="2t75AsPsRRX" role="2OqNvi">
+              <ref role="37wK5l" to="guwi:~PrintStream.println(java.lang.String)" resolve="println" />
+              <node concept="3cpWs3" id="2t75AsPtzpT" role="37wK5m">
+                <node concept="37vLTw" id="2t75AsPtzvR" role="3uHU7w">
+                  <ref role="3cqZAo" node="4MUcKNHm1vn" resolve="ref" />
+                </node>
+                <node concept="3cpWs3" id="2t75AsPtjKY" role="3uHU7B">
+                  <node concept="3cpWs3" id="2t75AsPthqz" role="3uHU7B">
+                    <node concept="3cpWs3" id="2t75AsPt7Ke" role="3uHU7B">
+                      <node concept="3cpWs3" id="2t75AsPt5p6" role="3uHU7B">
+                        <node concept="Xl_RD" id="2t75AsPsTRA" role="3uHU7B">
+                          <property role="Xl_RC" value="findLanguageByModel mdl=" />
+                        </node>
+                        <node concept="37vLTw" id="2t75AsPt61l" role="3uHU7w">
+                          <ref role="3cqZAo" node="2W468ixlK$L" resolve="mdl" />
+                        </node>
+                      </node>
+                      <node concept="Xl_RD" id="2t75AsPt7N4" role="3uHU7w">
+                        <property role="Xl_RC" value=" rep=" />
+                      </node>
+                    </node>
+                    <node concept="37vLTw" id="2t75AsPti2V" role="3uHU7w">
+                      <ref role="3cqZAo" node="4MUcKNHlY5d" resolve="rep" />
+                    </node>
+                  </node>
+                  <node concept="Xl_RD" id="2t75AsPtjNO" role="3uHU7w">
+                    <property role="Xl_RC" value=" ref=" />
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbJ" id="2t75AsPuvg6" role="3cqZAp">
+          <node concept="3clFbS" id="2t75AsPuvg8" role="3clFbx">
+            <node concept="3clFbF" id="2t75AsPuIBb" role="3cqZAp">
+              <node concept="2OqwBi" id="2t75AsPuIB8" role="3clFbG">
+                <node concept="10M0yZ" id="2t75AsPuIB9" role="2Oq$k0">
+                  <ref role="1PxDUh" to="wyt6:~System" />
+                  <ref role="3cqZAo" to="wyt6:~System.out" />
+                </node>
+                <node concept="liA8E" id="2t75AsPuIBa" role="2OqNvi">
+                  <ref role="37wK5l" to="guwi:~PrintStream.println(java.lang.String)" resolve="println" />
+                  <node concept="3cpWs3" id="2t75AsPuUht" role="37wK5m">
+                    <node concept="2OqwBi" id="2t75AsPuVg3" role="3uHU7w">
+                      <node concept="37vLTw" id="2t75AsPuUna" role="2Oq$k0">
+                        <ref role="3cqZAo" node="4MUcKNHm1vn" resolve="ref" />
+                      </node>
+                      <node concept="liA8E" id="2t75AsPuXYZ" role="2OqNvi">
+                        <ref role="37wK5l" to="lui2:~SModuleReference.getModuleName()" resolve="getModuleName" />
+                      </node>
+                    </node>
+                    <node concept="Xl_RD" id="2t75AsPuKBn" role="3uHU7B">
+                      <property role="Xl_RC" value="    ref points to: " />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+          <node concept="17QLQc" id="2t75AsPuDOD" role="3clFbw">
+            <node concept="10Nm6u" id="2t75AsPuFWC" role="3uHU7w" />
+            <node concept="37vLTw" id="2t75AsPuxsG" role="3uHU7B">
+              <ref role="3cqZAo" node="4MUcKNHm1vn" resolve="ref" />
+            </node>
+          </node>
+        </node>
         <node concept="3cpWs8" id="2W468ixlL6D" role="3cqZAp">
           <node concept="3cpWsn" id="2W468ixlL6G" role="3cpWs9">
             <property role="TrG5h" value="languages" />
@@ -1819,6 +1893,47 @@
             </node>
           </node>
         </node>
+        <node concept="3clFbF" id="2t75AsPtC3a" role="3cqZAp">
+          <node concept="2OqwBi" id="2t75AsPtC37" role="3clFbG">
+            <node concept="10M0yZ" id="2t75AsPtC38" role="2Oq$k0">
+              <ref role="1PxDUh" to="wyt6:~System" />
+              <ref role="3cqZAo" to="wyt6:~System.out" />
+            </node>
+            <node concept="liA8E" id="2t75AsPtC39" role="2OqNvi">
+              <ref role="37wK5l" to="guwi:~PrintStream.println(java.lang.String)" resolve="println" />
+              <node concept="3cpWs3" id="2t75AsPud51" role="37wK5m">
+                <node concept="2OqwBi" id="2t75AsPufTq" role="3uHU7w">
+                  <node concept="37vLTw" id="2t75AsPudY2" role="2Oq$k0">
+                    <ref role="3cqZAo" node="2W468ixlL6G" resolve="languages" />
+                  </node>
+                  <node concept="3$u5V9" id="2t75AsPuj5B" role="2OqNvi">
+                    <node concept="1bVj0M" id="2t75AsPuj5D" role="23t8la">
+                      <node concept="3clFbS" id="2t75AsPuj5E" role="1bW5cS">
+                        <node concept="3clFbF" id="2t75AsPumV9" role="3cqZAp">
+                          <node concept="2OqwBi" id="2t75AsPunJN" role="3clFbG">
+                            <node concept="37vLTw" id="2t75AsPumV8" role="2Oq$k0">
+                              <ref role="3cqZAo" node="2t75AsPuj5F" resolve="it" />
+                            </node>
+                            <node concept="liA8E" id="2t75AsPuqxY" role="2OqNvi">
+                              <ref role="37wK5l" to="c17a:~SLanguage.getQualifiedName()" resolve="getQualifiedName" />
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="gl6BB" id="2t75AsPuj5F" role="1bW2Oz">
+                        <property role="TrG5h" value="it" />
+                        <node concept="2jxLKc" id="2t75AsPuj5G" role="1tU5fm" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+                <node concept="Xl_RD" id="2t75AsPtDMv" role="3uHU7B">
+                  <property role="Xl_RC" value="   languages: " />
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
         <node concept="3cpWs6" id="2W468ixlVeV" role="3cqZAp">
           <node concept="2OqwBi" id="2W468ixlOWr" role="3cqZAk">
             <node concept="37vLTw" id="2W468ixlO9u" role="2Oq$k0">