diff --git a/baselanguage/languages/jetbrains.mps.baseLanguageExt/models/controlflow.mps b/baselanguage/languages/jetbrains.mps.baseLanguageExt/models/controlflow.mps
index 1b40effd..9bd8cf83 100644
--- a/baselanguage/languages/jetbrains.mps.baseLanguageExt/models/controlflow.mps
+++ b/baselanguage/languages/jetbrains.mps.baseLanguageExt/models/controlflow.mps
@@ -14,6 +14,8 @@
     <import index="wyt6" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.lang(JDK/)" />
     <import index="w7la" ref="bbf5c548-7111-4a53-a117-cdefc664cf34/java:jetbrains.mps.logic.reactor.evaluation(jetbrains.mps.logic.reactor/)" />
     <import index="cxk7" ref="r:daa544a7-0a5c-49c0-a54c-4c2a5b4868aa(jetbrains.mps.logic.builtin.predicate)" />
+    <import index="6exd" ref="r:0f9b1fb3-00f9-4480-b235-1a906a087ab2(jetbrains.mps.logic.dataform)" />
+    <import index="33ny" ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065/java:java.util(JDK/)" />
   </imports>
   <registry>
     <language id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage">
@@ -41,11 +43,13 @@
         <property id="1070475926801" name="value" index="Xl_RC" />
       </concept>
       <concept id="1081236700938" name="jetbrains.mps.baseLanguage.structure.StaticMethodDeclaration" flags="ig" index="2YIFZL" />
+      <concept id="1081236700937" name="jetbrains.mps.baseLanguage.structure.StaticMethodCall" flags="nn" index="2YIFZM">
+        <reference id="1144433194310" name="classConcept" index="1Pybhc" />
+      </concept>
       <concept id="1070533707846" name="jetbrains.mps.baseLanguage.structure.StaticFieldReference" flags="nn" index="10M0yZ">
         <reference id="1144433057691" name="classifier" index="1PxDUh" />
       </concept>
       <concept id="1070534058343" name="jetbrains.mps.baseLanguage.structure.NullLiteral" flags="nn" index="10Nm6u" />
-      <concept id="1070534644030" name="jetbrains.mps.baseLanguage.structure.BooleanType" flags="in" index="10P_77" />
       <concept id="1068390468198" name="jetbrains.mps.baseLanguage.structure.ClassConcept" flags="ig" index="312cEu" />
       <concept id="1068431474542" name="jetbrains.mps.baseLanguage.structure.VariableDeclaration" flags="ng" index="33uBYm">
         <child id="1068431790190" name="initializer" index="33vP2m" />
@@ -82,11 +86,11 @@
       <concept id="1068580320020" name="jetbrains.mps.baseLanguage.structure.IntegerConstant" flags="nn" index="3cmrfG">
         <property id="1068580320021" name="value" index="3cmrfH" />
       </concept>
-      <concept id="1068581242875" name="jetbrains.mps.baseLanguage.structure.PlusExpression" flags="nn" index="3cpWs3" />
       <concept id="1068581242864" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclarationStatement" flags="nn" index="3cpWs8">
         <child id="1068581242865" name="localVariableDeclaration" index="3cpWs9" />
       </concept>
       <concept id="1068581242863" name="jetbrains.mps.baseLanguage.structure.LocalVariableDeclaration" flags="nr" index="3cpWsn" />
+      <concept id="1068581517677" name="jetbrains.mps.baseLanguage.structure.VoidType" flags="in" index="3cqZAl" />
       <concept id="1206060495898" name="jetbrains.mps.baseLanguage.structure.ElsifClause" flags="ng" index="3eNFk2">
         <child id="1206060619838" name="condition" index="3eO9$A" />
         <child id="1206060644605" name="statementList" index="3eOfB_" />
@@ -100,7 +104,6 @@
       </concept>
       <concept id="1107535904670" name="jetbrains.mps.baseLanguage.structure.ClassifierType" flags="in" index="3uibUv">
         <reference id="1107535924139" name="classifier" index="3uigEE" />
-        <child id="1109201940907" name="parameter" index="11_B2D" />
       </concept>
       <concept id="1081773326031" name="jetbrains.mps.baseLanguage.structure.BinaryOperation" flags="nn" index="3uHJSO">
         <child id="1081773367579" name="rightExpression" index="3uHU7w" />
@@ -120,15 +123,19 @@
     </language>
     <language id="35320f26-77cb-4c55-be9f-a97a27770af1" name="jetbrains.mps.logic">
       <concept id="8169506320648805904" name="jetbrains.mps.logic.structure.LogicalVariableDeclarationContainer" flags="ng" index="29MRiA">
+        <child id="6399471711045617306" name="dataType" index="3vLBG7" />
         <child id="3063948360254832884" name="declaration" index="3XD1gS" />
       </concept>
       <concept id="8829335963593820278" name="jetbrains.mps.logic.structure.LogicalVariable" flags="ng" index="a7P8L">
         <reference id="8829335963593822893" name="declaration" index="a7OzE" />
       </concept>
-      <concept id="8829335963591530299" name="jetbrains.mps.logic.structure.ExpressionLogicalVariable" flags="ng" index="aZ4PW">
-        <child id="8829335963591530990" name="expression" index="aZ4eD" />
-      </concept>
       <concept id="8829335963591572611" name="jetbrains.mps.logic.structure.LogicalVariableDeclaration" flags="ng" index="aZer4" />
+      <concept id="4780620083400582599" name="jetbrains.mps.logic.structure.LogicalExpression" flags="ng" index="1nq8_$">
+        <child id="4780620083400582654" name="logical" index="1nq8_t" />
+      </concept>
+      <concept id="2455719244613908503" name="jetbrains.mps.logic.structure.ValueOfLogicalExpression" flags="ng" index="1TmgYN">
+        <child id="2455719244613924416" name="logical" index="1Tms7$" />
+      </concept>
     </language>
     <language id="7866978e-a0f0-4cc7-81bc-4d213d9375e1" name="jetbrains.mps.lang.smodel">
       <concept id="1177026924588" name="jetbrains.mps.lang.smodel.structure.RefConcept_Reference" flags="nn" index="chp4Y">
@@ -174,6 +181,13 @@
       <concept id="1172650591544" name="jetbrains.mps.baseLanguage.collections.structure.SkipOperation" flags="nn" index="7r0gD">
         <child id="1172658456740" name="elementsToSkip" index="7T0AP" />
       </concept>
+      <concept id="1226511727824" name="jetbrains.mps.baseLanguage.collections.structure.SetType" flags="in" index="2hMVRd">
+        <child id="1226511765987" name="elementType" index="2hN53Y" />
+      </concept>
+      <concept id="1226516258405" name="jetbrains.mps.baseLanguage.collections.structure.HashSetCreator" flags="nn" index="2i4dXS" />
+      <concept id="1207233427108" name="jetbrains.mps.baseLanguage.collections.structure.MapRemoveOperation" flags="nn" index="kI3uX">
+        <child id="1207233489861" name="key" index="kIiFs" />
+      </concept>
       <concept id="1153943597977" name="jetbrains.mps.baseLanguage.collections.structure.ForEachStatement" flags="nn" index="2Gpval">
         <child id="1153944400369" name="variable" index="2Gsz3X" />
         <child id="1153944424730" name="inputSequence" index="2GsD0m" />
@@ -182,11 +196,44 @@
       <concept id="1153944233411" name="jetbrains.mps.baseLanguage.collections.structure.ForEachVariableReference" flags="nn" index="2GrUjf">
         <reference id="1153944258490" name="variable" index="2Gs0qQ" />
       </concept>
+      <concept id="1237721394592" name="jetbrains.mps.baseLanguage.collections.structure.AbstractContainerCreator" flags="nn" index="HWqM0">
+        <child id="1237721435808" name="initValue" index="HW$Y0" />
+        <child id="1237721435807" name="elementType" index="HW$YZ" />
+        <child id="1237731803878" name="copyFrom" index="I$8f6" />
+      </concept>
+      <concept id="1201306600024" name="jetbrains.mps.baseLanguage.collections.structure.ContainsKeyOperation" flags="nn" index="2Nt0df">
+        <child id="1201654602639" name="key" index="38cxEo" />
+      </concept>
       <concept id="1203518072036" name="jetbrains.mps.baseLanguage.collections.structure.SmartClosureParameterDeclaration" flags="ig" index="Rh6nW" />
       <concept id="1160612413312" name="jetbrains.mps.baseLanguage.collections.structure.AddElementOperation" flags="nn" index="TSZUe" />
+      <concept id="1160666733551" name="jetbrains.mps.baseLanguage.collections.structure.AddAllElementsOperation" flags="nn" index="X8dFx" />
+      <concept id="1197683403723" name="jetbrains.mps.baseLanguage.collections.structure.MapType" flags="in" index="3rvAFt">
+        <child id="1197683466920" name="keyType" index="3rvQeY" />
+        <child id="1197683475734" name="valueType" index="3rvSg0" />
+      </concept>
+      <concept id="1197686869805" name="jetbrains.mps.baseLanguage.collections.structure.HashMapCreator" flags="nn" index="3rGOSV">
+        <child id="1197687026896" name="keyType" index="3rHrn6" />
+        <child id="1197687035757" name="valueType" index="3rHtpV" />
+        <child id="1206655950512" name="initializer" index="3Mj9YC" />
+      </concept>
       <concept id="1165525191778" name="jetbrains.mps.baseLanguage.collections.structure.GetFirstOperation" flags="nn" index="1uHKPH" />
       <concept id="1165595910856" name="jetbrains.mps.baseLanguage.collections.structure.GetLastOperation" flags="nn" index="1yVyf7" />
+      <concept id="1240824834947" name="jetbrains.mps.baseLanguage.collections.structure.ValueAccessOperation" flags="nn" index="3AV6Ez" />
+      <concept id="1240825616499" name="jetbrains.mps.baseLanguage.collections.structure.KeyAccessOperation" flags="nn" index="3AY5_j" />
+      <concept id="1240854379201" name="jetbrains.mps.baseLanguage.collections.structure.MappingsSetOperation" flags="nn" index="3CFNJx" />
+      <concept id="1197932370469" name="jetbrains.mps.baseLanguage.collections.structure.MapElement" flags="nn" index="3EllGN">
+        <child id="1197932505799" name="map" index="3ElQJh" />
+        <child id="1197932525128" name="key" index="3ElVtu" />
+      </concept>
       <concept id="1176501494711" name="jetbrains.mps.baseLanguage.collections.structure.IsNotEmptyOperation" flags="nn" index="3GX2aA" />
+      <concept id="1172254888721" name="jetbrains.mps.baseLanguage.collections.structure.ContainsOperation" flags="nn" index="3JPx81" />
+      <concept id="1206655653991" name="jetbrains.mps.baseLanguage.collections.structure.MapInitializer" flags="ng" index="3Mi1_Z">
+        <child id="1206655902276" name="entries" index="3MiYds" />
+      </concept>
+      <concept id="1206655735055" name="jetbrains.mps.baseLanguage.collections.structure.MapEntry" flags="ng" index="3Milgn">
+        <child id="1206655844556" name="key" index="3MiK7k" />
+        <child id="1206655853135" name="value" index="3MiMdn" />
+      </concept>
       <concept id="1522217801069359738" name="jetbrains.mps.baseLanguage.collections.structure.ReduceLeftOperation" flags="nn" index="1MCZdW" />
     </language>
     <language id="c4803b19-6d89-4a3b-bf82-390769514add" name="jetbrains.mps.lang.coderules">
@@ -201,6 +248,7 @@
       <concept id="6928531011217258898" name="jetbrains.mps.lang.coderules.structure.LogicVariableConstraint" flags="ng" index="2aLIYG">
         <child id="6928531011217290187" name="variable" index="2aLmnP" />
       </concept>
+      <concept id="6928531011218148071" name="jetbrains.mps.lang.coderules.structure.IsboundVariableConstraint" flags="ng" index="2aM9Np" />
       <concept id="9035818301008609703" name="jetbrains.mps.lang.coderules.structure.QueryTemplate" flags="ng" index="2bWyPT">
         <child id="7871500063838282362" name="code" index="fHCRw" />
       </concept>
@@ -245,10 +293,6 @@
       <concept id="7368070394769139970" name="jetbrains.mps.lang.coderules.structure.RuleInputReference" flags="ng" index="3A2sRY">
         <reference id="7368070394769213644" name="declaration" index="3A2yKK" />
       </concept>
-      <concept id="7368070394770780974" name="jetbrains.mps.lang.coderules.structure.UnifiesConstraint" flags="ng" index="3A8Hvi">
-        <child id="7368070394770793930" name="value" index="3A8w4Q" />
-        <child id="7368070394770793388" name="assignee" index="3A8wtg" />
-      </concept>
       <concept id="7368070394766963750" name="jetbrains.mps.lang.coderules.structure.Head" flags="ng" index="3Aq93q">
         <property id="7368070394767443940" name="keep" index="3ArMco" />
       </concept>
@@ -273,6 +317,10 @@
       <concept id="8581119423153238082" name="jetbrains.mps.lang.coderules.structure.NodeAnchor" flags="ng" index="3BlFb$">
         <child id="8581119423153238083" name="node" index="3BlFb_" />
       </concept>
+      <concept id="1877115349178398764" name="jetbrains.mps.lang.coderules.structure.EqualsConstraint" flags="ng" index="3GeI9q">
+        <child id="1877115349178398815" name="right" index="3GeI8D" />
+        <child id="1877115349178398813" name="left" index="3GeI8F" />
+      </concept>
       <concept id="2316688792938826204" name="jetbrains.mps.lang.coderules.structure.ConstraintLogicalClause" flags="ng" index="3I6s7M">
         <child id="2316688792938826214" name="constraint" index="3I6s78" />
       </concept>
@@ -301,7 +349,12 @@
                 </node>
                 <node concept="3I6s7M" id="AoTMCCYGHy" role="3I6sU7">
                   <node concept="3Aqt3T" id="AoTMCCYGHw" role="3I6s78">
-                    <ref role="3AqCNq" node="AoTMCCYnN1" resolve="trace_rw" />
+                    <ref role="3AqCNq" node="AoTMCCYnN1" resolve="rw" />
+                  </node>
+                </node>
+                <node concept="3I6s7M" id="5pIcDR7JOyn" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7JOyl" role="3I6s78">
+                    <ref role="3AqCNq" node="78H58oeAof4" resolve="checkAll" />
                   </node>
                 </node>
               </node>
@@ -724,6 +777,244 @@
         </node>
       </node>
     </node>
+    <node concept="1nLNMY" id="6Yb9hAqOND8" role="1nK1Vg">
+      <property role="TrG5h" value="localVarInitializer_used" />
+      <node concept="3clFbS" id="6Yb9hAqOND9" role="1nLNMH">
+        <node concept="1nLNNL" id="6Yb9hAqONDa" role="3cqZAp">
+          <node concept="1nLNMm" id="6Yb9hAqONDb" role="1nLNNK">
+            <node concept="3Aq93q" id="6Yb9hAqONDf" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="6Yb9hAqONDg" role="3Ip0Jz">
+                <node concept="3I6s7M" id="6Yb9hAqQnU4" role="3I6sU7">
+                  <node concept="3Aqt3T" id="6Yb9hAqQnU2" role="3I6s78">
+                    <ref role="3AqCNq" node="78H58oeAof4" resolve="checkAll" />
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq9E8" id="6Yb9hAqONDl" role="1nLNMd">
+              <node concept="3I6sU6" id="6Yb9hAqONDm" role="3Ip0Jz">
+                <node concept="3I6s7M" id="6Yb9hAqONDh" role="3I6sU7">
+                  <node concept="3Aqt3T" id="6Yb9hAqONDi" role="3I6s78">
+                    <ref role="3AqCNq" node="6Yb9hAqOFjy" resolve="unusedAssignment" />
+                    <node concept="3BlFb$" id="6Yb9hAqONDj" role="3AunhB">
+                      <node concept="3A2sRY" id="6Yb9hAqONDk" role="3BlFb_">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="6F9w2VbPMSA" role="3cqZAp" />
+        <node concept="1nLNNL" id="5YmBCzQHTZ6" role="3cqZAp">
+          <node concept="1nLNMm" id="5YmBCzQHTZ7" role="1nLNNK">
+            <node concept="3Aq9E8" id="FAZzzit0yB" role="1nLNMd">
+              <node concept="3I6sU6" id="FAZzzit0yC" role="3Ip0Jz">
+                <node concept="3I6s7M" id="FAZzzit0yF" role="3I6sU7">
+                  <node concept="3wWvb2" id="FAZzzit0yG" role="3I6s78">
+                    <node concept="2OqwBi" id="FAZzzit0yH" role="3wWo3s">
+                      <node concept="3A2sRY" id="FAZzzit0yI" role="2Oq$k0">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                      <node concept="2s7oft" id="FAZzzit0yJ" role="2OqNvi">
+                        <property role="2s7ueQ" value="error" />
+                        <node concept="Xl_RD" id="FAZzzit0yK" role="2s7u9n">
+                          <property role="Xl_RC" value="unused assignment" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq93q" id="FAZzzirYEO" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="FAZzzirYEP" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7JOeI" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7JOeD" role="3I6s78">
+                    <ref role="3AqCNq" node="7pxta7vrjE$" resolve="live" />
+                    <node concept="3BlFb$" id="5pIcDR7JOeN" role="3AunhB">
+                      <node concept="3A2sRY" id="5pIcDR7JOeT" role="3BlFb_">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                    </node>
+                    <node concept="3BlFb$" id="5pIcDR7M6se" role="3AunhB">
+                      <node concept="3A2sRY" id="5pIcDR7M6so" role="3BlFb_">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                    </node>
+                    <node concept="a7P8L" id="5pIcDR7JOv0" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7JOew" resolve="RSite" />
+                    </node>
+                    <node concept="a7P8L" id="5pIcDR7JOvc" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7JOez" resolve="Node" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq93q" id="5YmBCzQHTZn" role="1nLNMb">
+              <property role="3ArMco" value="false" />
+              <node concept="3I6sU6" id="5YmBCzQHTZo" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5YmBCzQHTZp" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5YmBCzQHTZq" role="3I6s78">
+                    <ref role="3AqCNq" node="6Yb9hAqOFjy" resolve="unusedAssignment" />
+                    <node concept="3BlFb$" id="5YmBCzQHTZr" role="3AunhB">
+                      <node concept="3A2sRY" id="5YmBCzQHTZs" role="3BlFb_">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="0eUR_" id="5pIcDR7JOeq" role="0UC6o">
+              <node concept="3NuqgR" id="5pIcDR7JOes" role="0eVf_">
+                <node concept="aZer4" id="5pIcDR7JOew" role="3XD1gS">
+                  <property role="TrG5h" value="RSite" />
+                </node>
+                <node concept="aZer4" id="5pIcDR7JOez" role="3XD1gS">
+                  <property role="TrG5h" value="Node" />
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq9_M" id="5pIcDR7JOvl" role="1nLNMa">
+              <node concept="3I6sU6" id="5pIcDR7JOvm" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7JOvq" role="3I6sU7">
+                  <node concept="2aLmEc" id="5pIcDR7JOvp" role="3I6s78">
+                    <node concept="a7P8L" id="5pIcDR7JOvz" role="2aLmnP">
+                      <ref role="a7OzE" node="5pIcDR7JOew" resolve="RSite" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="xaaVXuTWwf" role="3cqZAp" />
+        <node concept="1nLNNL" id="FAZzzit0xl" role="3cqZAp">
+          <node concept="1nLNMm" id="FAZzzit0xm" role="1nLNNK">
+            <node concept="3Aq93q" id="FAZzzit0xn" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="FAZzzit0xo" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7JOv_" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7JOvA" role="3I6s78">
+                    <ref role="3AqCNq" node="7pxta7vrjE$" resolve="live" />
+                    <node concept="3BlFb$" id="5pIcDR7JOvB" role="3AunhB">
+                      <node concept="3A2sRY" id="5pIcDR7JOvC" role="3BlFb_">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                    </node>
+                    <node concept="3BlFb$" id="5pIcDR7M7vI" role="3AunhB">
+                      <node concept="3A2sRY" id="5pIcDR7M7vS" role="3BlFb_">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                    </node>
+                    <node concept="a7P8L" id="5pIcDR7JOvE" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7JOew" resolve="RSite" />
+                    </node>
+                    <node concept="a7P8L" id="5pIcDR7JOvF" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7JOez" resolve="Node" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq93q" id="FAZzzit0xt" role="1nLNMb">
+              <property role="3ArMco" value="false" />
+              <node concept="3I6sU6" id="FAZzzit0xu" role="3Ip0Jz">
+                <node concept="3I6s7M" id="FAZzzit0xv" role="3I6sU7">
+                  <node concept="3Aqt3T" id="FAZzzit0xw" role="3I6s78">
+                    <ref role="3AqCNq" node="6Yb9hAqOFjy" resolve="unusedAssignment" />
+                    <node concept="3BlFb$" id="FAZzzit0xx" role="3AunhB">
+                      <node concept="3A2sRY" id="FAZzzit0xy" role="3BlFb_">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq9_M" id="5pIcDR7JOvP" role="1nLNMa">
+              <node concept="3I6sU6" id="5pIcDR7JOvQ" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7JOvU" role="3I6sU7">
+                  <node concept="2aM9Np" id="5pIcDR7JOvT" role="3I6s78">
+                    <node concept="a7P8L" id="5pIcDR7JOvX" role="2aLmnP">
+                      <ref role="a7OzE" node="5pIcDR7JOew" resolve="RSite" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+        <node concept="3clFbH" id="FAZzzit0xk" role="3cqZAp" />
+        <node concept="1nLNNL" id="6F9w2VbPMUe" role="3cqZAp">
+          <node concept="1nLNMm" id="6F9w2VbPMUf" role="1nLNNK">
+            <node concept="3Aq93q" id="6F9w2VbPMUp" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="6F9w2VbPMUq" role="3Ip0Jz">
+                <node concept="3I6s7M" id="6F9w2VbPMUr" role="3I6sU7">
+                  <node concept="3Aqt3T" id="6F9w2VbPMUs" role="3I6s78">
+                    <ref role="3AqCNq" node="6Yb9hAqOFjy" resolve="unusedAssignment" />
+                    <node concept="3BlFb$" id="6F9w2VbPMUt" role="3AunhB">
+                      <node concept="3A2sRY" id="6F9w2VbPMUu" role="3BlFb_">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq9E8" id="6F9w2VbPMUv" role="1nLNMd">
+              <node concept="3I6sU6" id="6F9w2VbPMUw" role="3Ip0Jz">
+                <node concept="3I6s7M" id="6F9w2VbPMUx" role="3I6sU7">
+                  <node concept="3wWvb2" id="6F9w2VbPMUy" role="3I6s78">
+                    <node concept="2OqwBi" id="6F9w2VbPMUz" role="3wWo3s">
+                      <node concept="3A2sRY" id="6F9w2VbPMU$" role="2Oq$k0">
+                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                      </node>
+                      <node concept="2s7oft" id="6F9w2VbPMU_" role="2OqNvi">
+                        <property role="2s7ueQ" value="error" />
+                        <node concept="Xl_RD" id="6F9w2VbPMUA" role="2s7u9n">
+                          <property role="Xl_RC" value="unused assignment" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="2t___k" id="6Yb9hAqONDt" role="1nLNMg">
+        <ref role="2t_S0q" to="tpee:fzcpWvJ" resolve="LocalVariableDeclaration" />
+        <node concept="3A20r5" id="6Yb9hAqONDu" role="2t_VXX">
+          <property role="TrG5h" value="lvd" />
+        </node>
+      </node>
+      <node concept="cBwPQ" id="6Yb9hAqQ_gP" role="1nLFYo">
+        <node concept="3clFbS" id="6Yb9hAqQ_gQ" role="16YjZG">
+          <node concept="3clFbF" id="6Yb9hAqQ_l4" role="3cqZAp">
+            <node concept="2OqwBi" id="6Yb9hAqQB6$" role="3clFbG">
+              <node concept="2OqwBi" id="6Yb9hAqQ_By" role="2Oq$k0">
+                <node concept="3A2sRY" id="6Yb9hAqQ_l3" role="2Oq$k0">
+                  <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
+                </node>
+                <node concept="3TrEf2" id="6Yb9hAqQAwx" role="2OqNvi">
+                  <ref role="3Tt5mk" to="tpee:fz3vP1I" resolve="initializer" />
+                </node>
+              </node>
+              <node concept="3x8VRR" id="6Yb9hAqQBoM" role="2OqNvi" />
+            </node>
+          </node>
+        </node>
+      </node>
+    </node>
     <node concept="1nLNMY" id="6Yb9hAqObU2" role="1nK1Vg">
       <property role="TrG5h" value="varref_initializedRead" />
       <node concept="3clFbS" id="6Yb9hAqObU3" role="1nLNMH">
@@ -778,12 +1069,28 @@
                   <node concept="3I6sU6" id="FAZzzipfJo" role="3Ip0Jz">
                     <node concept="3I6s7M" id="FAZzzipfKi" role="3I6sU7">
                       <node concept="3Aqt3T" id="FAZzzipfKh" role="3I6s78">
-                        <ref role="3AqCNq" node="FAZzzipe9x" resolve="check_bad" />
+                        <ref role="3AqCNq" node="7pxta7vrjE$" resolve="live" />
                         <node concept="3BlFb$" id="FAZzzipfKn" role="3AunhB">
-                          <node concept="3A2sRY" id="FAZzzipfKt" role="3BlFb_">
+                          <node concept="2OqwBi" id="5pIcDR7Ll7V" role="3BlFb_">
+                            <node concept="3A2sRY" id="FAZzzipfKt" role="2Oq$k0">
+                              <ref role="3A2yKK" node="6Yb9hAqOc4n" resolve="varref" />
+                            </node>
+                            <node concept="3TrEf2" id="5pIcDR7LlBA" role="2OqNvi">
+                              <ref role="3Tt5mk" to="tpee:fzcqZ_w" resolve="variableDeclaration" />
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3BlFb$" id="5pIcDR7LlBI" role="3AunhB">
+                          <node concept="3A2sRY" id="5pIcDR7LlBU" role="3BlFb_">
                             <ref role="3A2yKK" node="6Yb9hAqOc4n" resolve="varref" />
                           </node>
                         </node>
+                        <node concept="a7P8L" id="5pIcDR7JNl5" role="3AunhB">
+                          <ref role="a7OzE" node="5pIcDR7JNkR" resolve="RSite" />
+                        </node>
+                        <node concept="a7P8L" id="5pIcDR7JNlo" role="3AunhB">
+                          <ref role="a7OzE" node="5pIcDR7JNkU" resolve="Node" />
+                        </node>
                       </node>
                     </node>
                   </node>
@@ -822,6 +1129,27 @@
                     </node>
                   </node>
                 </node>
+                <node concept="0eUR_" id="5pIcDR7JNkL" role="0UC6o">
+                  <node concept="3NuqgR" id="5pIcDR7JNkN" role="0eVf_">
+                    <node concept="aZer4" id="5pIcDR7JNkR" role="3XD1gS">
+                      <property role="TrG5h" value="RSite" />
+                    </node>
+                    <node concept="aZer4" id="5pIcDR7JNkU" role="3XD1gS">
+                      <property role="TrG5h" value="Node" />
+                    </node>
+                  </node>
+                </node>
+                <node concept="3Aq9_M" id="5pIcDR7JNlH" role="1nLNMa">
+                  <node concept="3I6sU6" id="5pIcDR7JNlI" role="3Ip0Jz">
+                    <node concept="3I6s7M" id="5pIcDR7JNlM" role="3I6sU7">
+                      <node concept="2aLmEc" id="5pIcDR7JNlL" role="3I6s78">
+                        <node concept="a7P8L" id="5pIcDR7JNlR" role="2aLmnP">
+                          <ref role="a7OzE" node="5pIcDR7JNkR" resolve="RSite" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
               </node>
             </node>
             <node concept="3clFbH" id="5YmBCzQNbnz" role="3cqZAp" />
@@ -830,14 +1158,30 @@
                 <node concept="3Aq93q" id="FAZzzit0v_" role="1nLNMb">
                   <property role="3ArMco" value="true" />
                   <node concept="3I6sU6" id="FAZzzit0vA" role="3Ip0Jz">
-                    <node concept="3I6s7M" id="FAZzzit0vB" role="3I6sU7">
-                      <node concept="3Aqt3T" id="FAZzzit0vC" role="3I6s78">
-                        <ref role="3AqCNq" node="FAZzzipe4v" resolve="check_ok" />
-                        <node concept="3BlFb$" id="FAZzzit0vD" role="3AunhB">
-                          <node concept="3A2sRY" id="FAZzzit0vE" role="3BlFb_">
+                    <node concept="3I6s7M" id="5pIcDR7JNm2" role="3I6sU7">
+                      <node concept="3Aqt3T" id="5pIcDR7JNm3" role="3I6s78">
+                        <ref role="3AqCNq" node="7pxta7vrjE$" resolve="live" />
+                        <node concept="3BlFb$" id="5pIcDR7JNm4" role="3AunhB">
+                          <node concept="2OqwBi" id="5pIcDR7LlLI" role="3BlFb_">
+                            <node concept="3A2sRY" id="5pIcDR7JNm5" role="2Oq$k0">
+                              <ref role="3A2yKK" node="6Yb9hAqOc4n" resolve="varref" />
+                            </node>
+                            <node concept="3TrEf2" id="5pIcDR7Lmht" role="2OqNvi">
+                              <ref role="3Tt5mk" to="tpee:fzcqZ_w" resolve="variableDeclaration" />
+                            </node>
+                          </node>
+                        </node>
+                        <node concept="3BlFb$" id="5pIcDR7Lmhw" role="3AunhB">
+                          <node concept="3A2sRY" id="5pIcDR7LmhG" role="3BlFb_">
                             <ref role="3A2yKK" node="6Yb9hAqOc4n" resolve="varref" />
                           </node>
                         </node>
+                        <node concept="a7P8L" id="5pIcDR7JNm7" role="3AunhB">
+                          <ref role="a7OzE" node="5pIcDR7JNkR" resolve="RSite" />
+                        </node>
+                        <node concept="a7P8L" id="5pIcDR7JNm8" role="3AunhB">
+                          <ref role="a7OzE" node="5pIcDR7JNkU" resolve="Node" />
+                        </node>
                       </node>
                     </node>
                   </node>
@@ -857,6 +1201,17 @@
                     </node>
                   </node>
                 </node>
+                <node concept="3Aq9_M" id="5pIcDR7JNmm" role="1nLNMa">
+                  <node concept="3I6sU6" id="5pIcDR7JNmn" role="3Ip0Jz">
+                    <node concept="3I6s7M" id="5pIcDR7JNmr" role="3I6sU7">
+                      <node concept="2aM9Np" id="5pIcDR7JNmq" role="3I6s78">
+                        <node concept="a7P8L" id="5pIcDR7JNVs" role="2aLmnP">
+                          <ref role="a7OzE" node="5pIcDR7JNkR" resolve="RSite" />
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
               </node>
             </node>
             <node concept="3clFbH" id="FAZzzit0vy" role="3cqZAp" />
@@ -951,14 +1306,30 @@
                   <node concept="3Aq93q" id="5YmBCzQRYwd" role="1nLNMb">
                     <property role="3ArMco" value="true" />
                     <node concept="3I6sU6" id="5YmBCzQRYwe" role="3Ip0Jz">
-                      <node concept="3I6s7M" id="5YmBCzQRYwi" role="3I6sU7">
-                        <node concept="3Aqt3T" id="5YmBCzQRYwh" role="3I6s78">
-                          <ref role="3AqCNq" node="FAZzzipe9x" resolve="check_bad" />
-                          <node concept="3BlFb$" id="5YmBCzQRZa$" role="3AunhB">
-                            <node concept="3A2sRY" id="5YmBCzQRZaI" role="3BlFb_">
+                      <node concept="3I6s7M" id="5pIcDR7JNmP" role="3I6sU7">
+                        <node concept="3Aqt3T" id="5pIcDR7JNmK" role="3I6s78">
+                          <ref role="3AqCNq" node="7pxta7vmNbZ" resolve="used" />
+                          <node concept="3BlFb$" id="5pIcDR7JNmX" role="3AunhB">
+                            <node concept="2OqwBi" id="5pIcDR7JNBw" role="3BlFb_">
+                              <node concept="3A2sRY" id="5pIcDR7JNn4" role="2Oq$k0">
+                                <ref role="3A2yKK" node="6Yb9hAqOc4n" resolve="varref" />
+                              </node>
+                              <node concept="3TrEf2" id="5pIcDR7JNUy" role="2OqNvi">
+                                <ref role="3Tt5mk" to="tpee:fzcqZ_w" resolve="variableDeclaration" />
+                              </node>
+                            </node>
+                          </node>
+                          <node concept="a7P8L" id="5pIcDR7K_9Q" role="3AunhB">
+                            <ref role="a7OzE" node="5pIcDR7K_9I" resolve="WSite" />
+                          </node>
+                          <node concept="3BlFb$" id="5pIcDR7M8zp" role="3AunhB">
+                            <node concept="3A2sRY" id="5pIcDR7M8zR" role="3BlFb_">
                               <ref role="3A2yKK" node="6Yb9hAqOc4n" resolve="varref" />
                             </node>
                           </node>
+                          <node concept="a7P8L" id="5pIcDR7K_a8" role="3AunhB">
+                            <ref role="a7OzE" node="5pIcDR7K_9K" resolve="Node2" />
+                          </node>
                         </node>
                       </node>
                     </node>
@@ -997,6 +1368,27 @@
                       </node>
                     </node>
                   </node>
+                  <node concept="3Aq9_M" id="5pIcDR7JNVf" role="1nLNMa">
+                    <node concept="3I6sU6" id="5pIcDR7JNVg" role="3Ip0Jz">
+                      <node concept="3I6s7M" id="5pIcDR7JNVk" role="3I6sU7">
+                        <node concept="2aLmEc" id="5pIcDR7JNVj" role="3I6s78">
+                          <node concept="a7P8L" id="5pIcDR7K_ah" role="2aLmnP">
+                            <ref role="a7OzE" node="5pIcDR7K_9I" resolve="WSite" />
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                  <node concept="0eUR_" id="5pIcDR7K_9G" role="0UC6o">
+                    <node concept="3NuqgR" id="5pIcDR7K_9H" role="0eVf_">
+                      <node concept="aZer4" id="5pIcDR7K_9I" role="3XD1gS">
+                        <property role="TrG5h" value="WSite" />
+                      </node>
+                      <node concept="aZer4" id="5pIcDR7K_9K" role="3XD1gS">
+                        <property role="TrG5h" value="Node2" />
+                      </node>
+                    </node>
+                  </node>
                 </node>
               </node>
               <node concept="3clFbH" id="5YmBCzQRZaP" role="3cqZAp" />
@@ -1005,14 +1397,30 @@
                   <node concept="3Aq93q" id="FAZzzipfL$" role="1nLNMb">
                     <property role="3ArMco" value="true" />
                     <node concept="3I6sU6" id="FAZzzipfL_" role="3Ip0Jz">
-                      <node concept="3I6s7M" id="FAZzzipfMd" role="3I6sU7">
-                        <node concept="3Aqt3T" id="FAZzzipfMc" role="3I6s78">
-                          <ref role="3AqCNq" node="FAZzzipe4v" resolve="check_ok" />
-                          <node concept="3BlFb$" id="FAZzzipfMi" role="3AunhB">
-                            <node concept="3A2sRY" id="FAZzzipfMo" role="3BlFb_">
+                      <node concept="3I6s7M" id="5pIcDR7JNVv" role="3I6sU7">
+                        <node concept="3Aqt3T" id="5pIcDR7JNVw" role="3I6s78">
+                          <ref role="3AqCNq" node="7pxta7vmNbZ" resolve="used" />
+                          <node concept="3BlFb$" id="5pIcDR7JNVx" role="3AunhB">
+                            <node concept="2OqwBi" id="5pIcDR7JNVy" role="3BlFb_">
+                              <node concept="3A2sRY" id="5pIcDR7JNVz" role="2Oq$k0">
+                                <ref role="3A2yKK" node="6Yb9hAqOc4n" resolve="varref" />
+                              </node>
+                              <node concept="3TrEf2" id="5pIcDR7JNV$" role="2OqNvi">
+                                <ref role="3Tt5mk" to="tpee:fzcqZ_w" resolve="variableDeclaration" />
+                              </node>
+                            </node>
+                          </node>
+                          <node concept="a7P8L" id="5pIcDR7K_ak" role="3AunhB">
+                            <ref role="a7OzE" node="5pIcDR7K_9I" resolve="WSite" />
+                          </node>
+                          <node concept="3BlFb$" id="5pIcDR7M8zU" role="3AunhB">
+                            <node concept="3A2sRY" id="5pIcDR7M8$6" role="3BlFb_">
                               <ref role="3A2yKK" node="6Yb9hAqOc4n" resolve="varref" />
                             </node>
                           </node>
+                          <node concept="a7P8L" id="5pIcDR7K_aA" role="3AunhB">
+                            <ref role="a7OzE" node="5pIcDR7K_9K" resolve="Node2" />
+                          </node>
                         </node>
                       </node>
                     </node>
@@ -1032,6 +1440,17 @@
                       </node>
                     </node>
                   </node>
+                  <node concept="3Aq9_M" id="5pIcDR7JNVS" role="1nLNMa">
+                    <node concept="3I6sU6" id="5pIcDR7JNVT" role="3Ip0Jz">
+                      <node concept="3I6s7M" id="5pIcDR7JNVX" role="3I6sU7">
+                        <node concept="2aM9Np" id="5pIcDR7JNVW" role="3I6s78">
+                          <node concept="a7P8L" id="5pIcDR7K_aJ" role="2aLmnP">
+                            <ref role="a7OzE" node="5pIcDR7K_9I" resolve="WSite" />
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
                 </node>
               </node>
               <node concept="3clFbH" id="AoTMCCZmNt" role="3cqZAp" />
@@ -1105,190 +1524,6 @@
         </node>
       </node>
     </node>
-    <node concept="1nLNMY" id="6Yb9hAqOND8" role="1nK1Vg">
-      <property role="TrG5h" value="localVarInitializer_used" />
-      <node concept="3clFbS" id="6Yb9hAqOND9" role="1nLNMH">
-        <node concept="1nLNNL" id="6Yb9hAqONDa" role="3cqZAp">
-          <node concept="1nLNMm" id="6Yb9hAqONDb" role="1nLNNK">
-            <node concept="3Aq93q" id="6Yb9hAqONDf" role="1nLNMb">
-              <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="6Yb9hAqONDg" role="3Ip0Jz">
-                <node concept="3I6s7M" id="6Yb9hAqQnU4" role="3I6sU7">
-                  <node concept="3Aqt3T" id="6Yb9hAqQnU2" role="3I6s78">
-                    <ref role="3AqCNq" node="78H58oeAof4" resolve="checkAll" />
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq9E8" id="6Yb9hAqONDl" role="1nLNMd">
-              <node concept="3I6sU6" id="6Yb9hAqONDm" role="3Ip0Jz">
-                <node concept="3I6s7M" id="6Yb9hAqONDh" role="3I6sU7">
-                  <node concept="3Aqt3T" id="6Yb9hAqONDi" role="3I6s78">
-                    <ref role="3AqCNq" node="6Yb9hAqOFjy" resolve="unusedAssignment" />
-                    <node concept="3BlFb$" id="6Yb9hAqONDj" role="3AunhB">
-                      <node concept="3A2sRY" id="6Yb9hAqONDk" role="3BlFb_">
-                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-          </node>
-        </node>
-        <node concept="3clFbH" id="6F9w2VbPMSA" role="3cqZAp" />
-        <node concept="1nLNNL" id="5YmBCzQHTZ6" role="3cqZAp">
-          <node concept="1nLNMm" id="5YmBCzQHTZ7" role="1nLNNK">
-            <node concept="3Aq9E8" id="FAZzzit0yB" role="1nLNMd">
-              <node concept="3I6sU6" id="FAZzzit0yC" role="3Ip0Jz">
-                <node concept="3I6s7M" id="FAZzzit0yF" role="3I6sU7">
-                  <node concept="3wWvb2" id="FAZzzit0yG" role="3I6s78">
-                    <node concept="2OqwBi" id="FAZzzit0yH" role="3wWo3s">
-                      <node concept="3A2sRY" id="FAZzzit0yI" role="2Oq$k0">
-                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                      </node>
-                      <node concept="2s7oft" id="FAZzzit0yJ" role="2OqNvi">
-                        <property role="2s7ueQ" value="error" />
-                        <node concept="Xl_RD" id="FAZzzit0yK" role="2s7u9n">
-                          <property role="Xl_RC" value="unused assignment" />
-                        </node>
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq93q" id="FAZzzirYEO" role="1nLNMb">
-              <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="FAZzzirYEP" role="3Ip0Jz">
-                <node concept="3I6s7M" id="FAZzzirYFB" role="3I6sU7">
-                  <node concept="3Aqt3T" id="FAZzzirYFA" role="3I6s78">
-                    <ref role="3AqCNq" node="FAZzzipe9x" resolve="check_bad" />
-                    <node concept="3BlFb$" id="FAZzzirYFG" role="3AunhB">
-                      <node concept="3A2sRY" id="FAZzzirYFM" role="3BlFb_">
-                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq93q" id="5YmBCzQHTZn" role="1nLNMb">
-              <property role="3ArMco" value="false" />
-              <node concept="3I6sU6" id="5YmBCzQHTZo" role="3Ip0Jz">
-                <node concept="3I6s7M" id="5YmBCzQHTZp" role="3I6sU7">
-                  <node concept="3Aqt3T" id="5YmBCzQHTZq" role="3I6s78">
-                    <ref role="3AqCNq" node="6Yb9hAqOFjy" resolve="unusedAssignment" />
-                    <node concept="3BlFb$" id="5YmBCzQHTZr" role="3AunhB">
-                      <node concept="3A2sRY" id="5YmBCzQHTZs" role="3BlFb_">
-                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-          </node>
-        </node>
-        <node concept="3clFbH" id="xaaVXuTWwf" role="3cqZAp" />
-        <node concept="1nLNNL" id="FAZzzit0xl" role="3cqZAp">
-          <node concept="1nLNMm" id="FAZzzit0xm" role="1nLNNK">
-            <node concept="3Aq93q" id="FAZzzit0xn" role="1nLNMb">
-              <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="FAZzzit0xo" role="3Ip0Jz">
-                <node concept="3I6s7M" id="FAZzzit0xp" role="3I6sU7">
-                  <node concept="3Aqt3T" id="FAZzzit0xq" role="3I6s78">
-                    <ref role="3AqCNq" node="FAZzzipe4v" resolve="check_ok" />
-                    <node concept="3BlFb$" id="FAZzzit0xr" role="3AunhB">
-                      <node concept="3A2sRY" id="FAZzzit0xs" role="3BlFb_">
-                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq93q" id="FAZzzit0xt" role="1nLNMb">
-              <property role="3ArMco" value="false" />
-              <node concept="3I6sU6" id="FAZzzit0xu" role="3Ip0Jz">
-                <node concept="3I6s7M" id="FAZzzit0xv" role="3I6sU7">
-                  <node concept="3Aqt3T" id="FAZzzit0xw" role="3I6s78">
-                    <ref role="3AqCNq" node="6Yb9hAqOFjy" resolve="unusedAssignment" />
-                    <node concept="3BlFb$" id="FAZzzit0xx" role="3AunhB">
-                      <node concept="3A2sRY" id="FAZzzit0xy" role="3BlFb_">
-                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-          </node>
-        </node>
-        <node concept="3clFbH" id="FAZzzit0xk" role="3cqZAp" />
-        <node concept="1nLNNL" id="6F9w2VbPMUe" role="3cqZAp">
-          <node concept="1nLNMm" id="6F9w2VbPMUf" role="1nLNNK">
-            <node concept="3Aq93q" id="6F9w2VbPMUp" role="1nLNMb">
-              <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="6F9w2VbPMUq" role="3Ip0Jz">
-                <node concept="3I6s7M" id="6F9w2VbPMUr" role="3I6sU7">
-                  <node concept="3Aqt3T" id="6F9w2VbPMUs" role="3I6s78">
-                    <ref role="3AqCNq" node="6Yb9hAqOFjy" resolve="unusedAssignment" />
-                    <node concept="3BlFb$" id="6F9w2VbPMUt" role="3AunhB">
-                      <node concept="3A2sRY" id="6F9w2VbPMUu" role="3BlFb_">
-                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq9E8" id="6F9w2VbPMUv" role="1nLNMd">
-              <node concept="3I6sU6" id="6F9w2VbPMUw" role="3Ip0Jz">
-                <node concept="3I6s7M" id="6F9w2VbPMUx" role="3I6sU7">
-                  <node concept="3wWvb2" id="6F9w2VbPMUy" role="3I6s78">
-                    <node concept="2OqwBi" id="6F9w2VbPMUz" role="3wWo3s">
-                      <node concept="3A2sRY" id="6F9w2VbPMU$" role="2Oq$k0">
-                        <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                      </node>
-                      <node concept="2s7oft" id="6F9w2VbPMU_" role="2OqNvi">
-                        <property role="2s7ueQ" value="error" />
-                        <node concept="Xl_RD" id="6F9w2VbPMUA" role="2s7u9n">
-                          <property role="Xl_RC" value="unused assignment" />
-                        </node>
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-          </node>
-        </node>
-      </node>
-      <node concept="2t___k" id="6Yb9hAqONDt" role="1nLNMg">
-        <ref role="2t_S0q" to="tpee:fzcpWvJ" resolve="LocalVariableDeclaration" />
-        <node concept="3A20r5" id="6Yb9hAqONDu" role="2t_VXX">
-          <property role="TrG5h" value="lvd" />
-        </node>
-      </node>
-      <node concept="cBwPQ" id="6Yb9hAqQ_gP" role="1nLFYo">
-        <node concept="3clFbS" id="6Yb9hAqQ_gQ" role="16YjZG">
-          <node concept="3clFbF" id="6Yb9hAqQ_l4" role="3cqZAp">
-            <node concept="2OqwBi" id="6Yb9hAqQB6$" role="3clFbG">
-              <node concept="2OqwBi" id="6Yb9hAqQ_By" role="2Oq$k0">
-                <node concept="3A2sRY" id="6Yb9hAqQ_l3" role="2Oq$k0">
-                  <ref role="3A2yKK" node="6Yb9hAqONDu" resolve="lvd" />
-                </node>
-                <node concept="3TrEf2" id="6Yb9hAqQAwx" role="2OqNvi">
-                  <ref role="3Tt5mk" to="tpee:fz3vP1I" resolve="initializer" />
-                </node>
-              </node>
-              <node concept="3x8VRR" id="6Yb9hAqQBoM" role="2OqNvi" />
-            </node>
-          </node>
-        </node>
-      </node>
-    </node>
     <node concept="3AqmO8" id="78H58oeAof4" role="8PkJo">
       <property role="TrG5h" value="checkAll" />
     </node>
@@ -4912,7 +5147,7 @@
                   <node concept="3I6sU6" id="22$xxOvW8oW" role="3Ip0Jz">
                     <node concept="3I6s7M" id="22$xxOvW8Iv" role="3I6sU7">
                       <node concept="3Aqt3T" id="22$xxOvW8It" role="3I6s78">
-                        <ref role="3AqCNq" node="22$xxOvW8Hm" resolve="visit" />
+                        <ref role="3AqCNq" node="22$xxOvW8Hm" resolve="rw_uses" />
                         <node concept="3BlFb$" id="22$xxOvW8IY" role="3AunhB">
                           <node concept="3A2sRY" id="22$xxOvW8IZ" role="3BlFb_">
                             <ref role="3A2yKK" node="22$xxOvW8p_" resolve="bmd" />
@@ -4927,7 +5162,7 @@
                   <node concept="3I6sU6" id="22$xxOvW8pq" role="3Ip0Jz">
                     <node concept="3I6s7M" id="22$xxOvW8pr" role="3I6sU7">
                       <node concept="3Aqt3T" id="22$xxOvW8HY" role="3I6s78">
-                        <ref role="3AqCNq" node="AoTMCCYnN1" resolve="trace_rw" />
+                        <ref role="3AqCNq" node="AoTMCCYnN1" resolve="rw" />
                       </node>
                     </node>
                   </node>
@@ -4961,7 +5196,7 @@
       </node>
     </node>
     <node concept="1nLNMY" id="22$xxOvW87c" role="1nK1Vg">
-      <property role="TrG5h" value="visit" />
+      <property role="TrG5h" value="visit_all" />
       <node concept="3clFbS" id="22$xxOvW87d" role="1nLNMH">
         <node concept="1nLNNL" id="22$xxOvZhBm" role="3cqZAp">
           <node concept="1nLNMm" id="22$xxOvZhBo" role="1nLNNK">
@@ -4970,7 +5205,7 @@
               <node concept="3I6sU6" id="22$xxOvZhC3" role="3Ip0Jz">
                 <node concept="3I6s7M" id="22$xxOvZhC7" role="3I6sU7">
                   <node concept="3Aqt3T" id="22$xxOvZhC6" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvW8Hm" resolve="visit" />
+                    <ref role="3AqCNq" node="22$xxOvW8Hm" resolve="rw_uses" />
                     <node concept="a7P8L" id="22$xxOvZhCv" role="3AunhB">
                       <ref role="a7OzE" node="22$xxOvZhCq" resolve="Pred" />
                     </node>
@@ -5003,23 +5238,59 @@
                   <property role="TrG5h" value="Succ" />
                 </node>
               </node>
-            </node>
-            <node concept="3Aq9E8" id="22$xxOvZhCz" role="1nLNMd">
-              <node concept="3I6sU6" id="22$xxOvZhC$" role="3Ip0Jz">
-                <node concept="3I6s7M" id="22$xxOvZhE0" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOvZhDY" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="visit_write" />
-                    <node concept="a7P8L" id="22$xxOvZhEd" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvZhCq" resolve="Pred" />
+              <node concept="3NuqgR" id="7pxta7v$doK" role="0eVf_">
+                <node concept="aZer4" id="7pxta7vvmYz" role="3XD1gS">
+                  <property role="TrG5h" value="Uses" />
+                </node>
+                <node concept="3rvAFt" id="PYgJzEuPAT" role="3vLBG7">
+                  <node concept="3uibUv" id="PYgJzEuPBP" role="3rvQeY">
+                    <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                  </node>
+                  <node concept="2hMVRd" id="5pIcDR7tvL3" role="3rvSg0">
+                    <node concept="3uibUv" id="5pIcDR7tvL4" role="2hN53Y">
+                      <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
                     </node>
                   </node>
                 </node>
-                <node concept="3I6s7M" id="22$xxOw8LE8" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOw8LE6" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhmm" resolve="visit_read" />
-                    <node concept="a7P8L" id="7pxta7vl1kM" role="3AunhB">
-                      <ref role="a7OzE" node="7pxta7vl1bV" resolve="Succ" />
+              </node>
+            </node>
+            <node concept="3Aq9E8" id="22$xxOvZhCz" role="1nLNMd">
+              <node concept="3I6sU6" id="22$xxOvZhC$" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7hAxz" role="3I6sU7">
+                  <node concept="3GeI9q" id="5pIcDR7hAxt" role="3I6s78">
+                    <node concept="a7P8L" id="5pIcDR7hA$e" role="3GeI8F">
+                      <ref role="a7OzE" node="7pxta7vvmYz" resolve="Uses" />
                     </node>
+                    <node concept="HKQnh" id="5pIcDR7hA_1" role="3GeI8D">
+                      <node concept="2ShNRf" id="5pIcDR7hA_N" role="HKQng">
+                        <node concept="3rGOSV" id="5pIcDR7hBGA" role="2ShVmc">
+                          <node concept="3uibUv" id="5pIcDR7hBIe" role="3rHrn6">
+                            <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                          </node>
+                          <node concept="2hMVRd" id="5pIcDR7tvLR" role="3rHtpV">
+                            <node concept="3uibUv" id="5pIcDR7tvLS" role="2hN53Y">
+                              <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+                <node concept="3I6s7M" id="22$xxOvZhE0" role="3I6sU7">
+                  <node concept="3Aqt3T" id="22$xxOvZhDY" role="3I6s78">
+                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="used_visit" />
+                    <node concept="a7P8L" id="22$xxOvZhEd" role="3AunhB">
+                      <ref role="a7OzE" node="22$xxOvZhCq" resolve="Pred" />
+                    </node>
+                    <node concept="a7P8L" id="7pxta7vvmYI" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vvmYz" resolve="Uses" />
+                    </node>
+                  </node>
+                </node>
+                <node concept="3I6s7M" id="5pIcDR7wWA1" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7wW_Z" role="3I6s78">
+                    <ref role="3AqCNq" node="5pIcDR7wSAo" resolve="rw_live" />
                   </node>
                 </node>
               </node>
@@ -5029,19 +5300,37 @@
       </node>
     </node>
     <node concept="1nLNMY" id="22$xxOvZhn8" role="1nK1Vg">
-      <property role="TrG5h" value="visit_write" />
+      <property role="TrG5h" value="used_visit_pre" />
       <node concept="3clFbS" id="22$xxOvZhn9" role="1nLNMH">
         <node concept="1nLNNL" id="22$xxOw7RN4" role="3cqZAp">
           <node concept="1nLNMm" id="22$xxOw7RN6" role="1nLNNK">
+            <node concept="3Aq9E8" id="PYgJzEdf2y" role="1nLNMd">
+              <node concept="3I6sU6" id="PYgJzEdf2z" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7iI2V" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7iI2T" role="3I6s78">
+                    <ref role="3AqCNq" node="7pxta7vwDws" resolve="append" />
+                    <node concept="a7P8L" id="5pIcDR7iI6a" role="3AunhB">
+                      <ref role="a7OzE" node="PYgJzEdeYB" resolve="Uses2" />
+                    </node>
+                    <node concept="a7P8L" id="5pIcDR7iI4$" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vvmYM" resolve="Uses" />
+                    </node>
+                  </node>
+                </node>
+              </node>
+            </node>
             <node concept="3Aq93q" id="22$xxOw7RN_" role="1nLNMb">
               <property role="3ArMco" value="true" />
               <node concept="3I6sU6" id="22$xxOw7RNA" role="3Ip0Jz">
                 <node concept="3I6s7M" id="22$xxOw7RNE" role="3I6sU7">
                   <node concept="3Aqt3T" id="22$xxOw7RND" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOw7RKD" resolve="visited_write" />
+                    <ref role="3AqCNq" node="22$xxOw7RKD" resolve="used_visited" />
                     <node concept="a7P8L" id="22$xxOw7RNQ" role="3AunhB">
                       <ref role="a7OzE" node="22$xxOw7RNL" resolve="Node" />
                     </node>
+                    <node concept="a7P8L" id="PYgJzEdf1I" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vvmYM" resolve="Uses" />
+                    </node>
                   </node>
                 </node>
               </node>
@@ -5051,10 +5340,13 @@
               <node concept="3I6sU6" id="22$xxOw7ROi" role="3Ip0Jz">
                 <node concept="3I6s7M" id="22$xxOw7ROr" role="3I6sU7">
                   <node concept="3Aqt3T" id="22$xxOw7ROq" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="visit_write" />
+                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="used_visit" />
                     <node concept="a7P8L" id="22$xxOw7ROw" role="3AunhB">
                       <ref role="a7OzE" node="22$xxOw7RNL" resolve="Node" />
                     </node>
+                    <node concept="a7P8L" id="PYgJzEdf0U" role="3AunhB">
+                      <ref role="a7OzE" node="PYgJzEdeYB" resolve="Uses2" />
+                    </node>
                   </node>
                 </node>
               </node>
@@ -5065,6 +5357,24 @@
                   <property role="TrG5h" value="Node" />
                 </node>
               </node>
+              <node concept="3NuqgR" id="7pxta7vzL$M" role="0eVf_">
+                <node concept="aZer4" id="7pxta7vvmYM" role="3XD1gS">
+                  <property role="TrG5h" value="Uses" />
+                </node>
+                <node concept="aZer4" id="PYgJzEdeYB" role="3XD1gS">
+                  <property role="TrG5h" value="Uses2" />
+                </node>
+                <node concept="3rvAFt" id="PYgJzEuPDr" role="3vLBG7">
+                  <node concept="3uibUv" id="PYgJzEuPDs" role="3rvQeY">
+                    <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                  </node>
+                  <node concept="2hMVRd" id="5pIcDR7tvMF" role="3rvSg0">
+                    <node concept="3uibUv" id="5pIcDR7tvMG" role="2hN53Y">
+                      <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                    </node>
+                  </node>
+                </node>
+              </node>
             </node>
           </node>
         </node>
@@ -5076,10 +5386,13 @@
               <node concept="3I6sU6" id="22$xxOvZhnd" role="3Ip0Jz">
                 <node concept="3I6s7M" id="22$xxOvZhne" role="3I6sU7">
                   <node concept="3Aqt3T" id="22$xxOvZhnf" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="visit_write" />
+                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="used_visit" />
                     <node concept="a7P8L" id="22$xxOvZhng" role="3AunhB">
                       <ref role="a7OzE" node="22$xxOvZhnp" resolve="Pred" />
                     </node>
+                    <node concept="a7P8L" id="7pxta7vvn22" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vvmYM" resolve="Uses" />
+                    </node>
                   </node>
                 </node>
               </node>
@@ -5112,12 +5425,47 @@
             </node>
             <node concept="3Aq9E8" id="22$xxOvZhnr" role="1nLNMd">
               <node concept="3I6sU6" id="22$xxOvZhns" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7hBL$" role="3I6sU7">
+                  <node concept="3GeI9q" id="5pIcDR7hBLu" role="3I6s78">
+                    <node concept="a7P8L" id="5pIcDR7hBMx" role="3GeI8F">
+                      <ref role="a7OzE" node="PYgJzEdeYB" resolve="Uses2" />
+                    </node>
+                    <node concept="HKQnh" id="5pIcDR7hBNk" role="3GeI8D">
+                      <node concept="2ShNRf" id="5pIcDR7hBNl" role="HKQng">
+                        <node concept="3rGOSV" id="5pIcDR7hBNm" role="2ShVmc">
+                          <node concept="3uibUv" id="5pIcDR7hBNn" role="3rHrn6">
+                            <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                          </node>
+                          <node concept="2hMVRd" id="5pIcDR7tvNv" role="3rHtpV">
+                            <node concept="3uibUv" id="5pIcDR7tvNw" role="2hN53Y">
+                              <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
                 <node concept="3I6s7M" id="22$xxOvZhnt" role="3I6sU7">
                   <node concept="3Aqt3T" id="22$xxOvZhnu" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="visit_write" />
+                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="used_visit" />
                     <node concept="a7P8L" id="22$xxOvZhnv" role="3AunhB">
                       <ref role="a7OzE" node="22$xxOvZhnq" resolve="Succ" />
                     </node>
+                    <node concept="a7P8L" id="PYgJzEdGXp" role="3AunhB">
+                      <ref role="a7OzE" node="PYgJzEdeYB" resolve="Uses2" />
+                    </node>
+                  </node>
+                </node>
+                <node concept="3I6s7M" id="7pxta7vwDBS" role="3I6sU7">
+                  <node concept="3Aqt3T" id="7pxta7vwDBQ" role="3I6s78">
+                    <ref role="3AqCNq" node="7pxta7vwDws" resolve="append" />
+                    <node concept="a7P8L" id="7pxta7vwDC8" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vvmYM" resolve="Uses" />
+                    </node>
+                    <node concept="a7P8L" id="PYgJzEdGXt" role="3AunhB">
+                      <ref role="a7OzE" node="PYgJzEdeYB" resolve="Uses2" />
+                    </node>
                   </node>
                 </node>
               </node>
@@ -5126,108 +5474,151 @@
         </node>
       </node>
     </node>
-    <node concept="1nLNMY" id="22$xxOvW8Xi" role="1nK1Vg">
-      <property role="TrG5h" value="write_live" />
-      <node concept="3clFbS" id="22$xxOvW8Xj" role="1nLNMH">
-        <node concept="1nLNNL" id="22$xxOvWa3x" role="3cqZAp">
-          <node concept="1nLNMm" id="22$xxOvWa3y" role="1nLNNK">
-            <node concept="3Aq93q" id="22$xxOvWa3z" role="1nLNMb">
-              <property role="3ArMco" value="false" />
-              <node concept="3I6sU6" id="22$xxOvWa3$" role="3Ip0Jz">
-                <node concept="3I6s7M" id="22$xxOvWa3_" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOvWa3A" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="visit_write" />
-                    <node concept="a7P8L" id="22$xxOvWa3B" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+    <node concept="1nLNMY" id="7pxta7vmQsm" role="1nK1Vg">
+      <property role="TrG5h" value="used_visit_read" />
+      <node concept="3clFbS" id="7pxta7vmQsn" role="1nLNMH">
+        <node concept="1nLNNL" id="7pxta7vmQAf" role="3cqZAp">
+          <node concept="1nLNMm" id="7pxta7vmQAg" role="1nLNNK">
+            <node concept="3Aq9E8" id="7pxta7vARq1" role="1nLNMd">
+              <node concept="3I6sU6" id="7pxta7vARq2" role="3Ip0Jz">
+                <node concept="3IrJb3" id="7pxta7vARqs" role="3I6sU7">
+                  <node concept="3clFbS" id="7pxta7vARqt" role="3IrJb0">
+                    <node concept="3Aqczg" id="7pxta7vARrv" role="3cqZAp">
+                      <node concept="3Aqt3T" id="7pxta7vARru" role="3Aqpz8">
+                        <ref role="3AqCNq" node="7pxta7vmNbZ" resolve="used" />
+                        <node concept="a7P8L" id="7pxta7vmQAl" role="3AunhB">
+                          <ref role="a7OzE" node="7pxta7vmQA_" resolve="Loc" />
+                        </node>
+                        <node concept="a7P8L" id="7pxta7vmQBb" role="3AunhB">
+                          <ref role="a7OzE" node="7pxta7vmQAA" resolve="FreshWSite" />
+                        </node>
+                        <node concept="a7P8L" id="7pxta7vmQAm" role="3AunhB">
+                          <ref role="a7OzE" node="7pxta7vmQAD" resolve="Node" />
+                        </node>
+                        <node concept="a7P8L" id="7pxta7vmQAn" role="3AunhB">
+                          <ref role="a7OzE" node="7pxta7vmQAD" resolve="Node" />
+                        </node>
+                      </node>
+                    </node>
+                    <node concept="3Aqczg" id="PYgJzEqgUH" role="3cqZAp">
+                      <node concept="3GeI9q" id="PYgJzEqgUI" role="3Aqpz8">
+                        <node concept="a7P8L" id="PYgJzEqgUJ" role="3GeI8F">
+                          <ref role="a7OzE" node="7pxta7v$DcX" resolve="Uses2" />
+                        </node>
+                        <node concept="HKQnh" id="PYgJzEqgUK" role="3GeI8D">
+                          <node concept="2ShNRf" id="PYgJzEqgWU" role="HKQng">
+                            <node concept="3rGOSV" id="PYgJzEqhbk" role="2ShVmc">
+                              <node concept="3uibUv" id="PYgJzEqhMh" role="3rHrn6">
+                                <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                              </node>
+                              <node concept="2hMVRd" id="5pIcDR7tvOj" role="3rHtpV">
+                                <node concept="3uibUv" id="5pIcDR7tvOk" role="2hN53Y">
+                                  <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                                </node>
+                              </node>
+                              <node concept="3Mi1_Z" id="PYgJzEqhLv" role="3Mj9YC">
+                                <node concept="3Milgn" id="PYgJzEqhNR" role="3MiYds">
+                                  <node concept="1TmgYN" id="PYgJzEqhOH" role="3MiK7k">
+                                    <node concept="1nq8_$" id="PYgJzEqhQr" role="1Tms7$">
+                                      <node concept="a7P8L" id="PYgJzEqhQp" role="1nq8_t">
+                                        <ref role="a7OzE" node="7pxta7vmQA_" resolve="Loc" />
+                                      </node>
+                                    </node>
+                                  </node>
+                                  <node concept="2ShNRf" id="5pIcDR7tvPR" role="3MiMdn">
+                                    <node concept="2i4dXS" id="5pIcDR7tw4f" role="2ShVmc">
+                                      <node concept="3uibUv" id="5pIcDR7twcB" role="HW$YZ">
+                                        <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                                      </node>
+                                      <node concept="1TmgYN" id="PYgJzEqhPz" role="HW$Y0">
+                                        <node concept="1nq8_$" id="PYgJzEqhRg" role="1Tms7$">
+                                          <node concept="a7P8L" id="PYgJzEqhRe" role="1nq8_t">
+                                            <ref role="a7OzE" node="7pxta7vmQAD" resolve="Node" />
+                                          </node>
+                                        </node>
+                                      </node>
+                                    </node>
+                                  </node>
+                                </node>
+                              </node>
+                            </node>
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                    <node concept="3Aqczg" id="7pxta7vARwS" role="3cqZAp">
+                      <node concept="3Aqt3T" id="7pxta7vARwQ" role="3Aqpz8">
+                        <ref role="3AqCNq" node="7pxta7vwDws" resolve="append" />
+                        <node concept="a7P8L" id="7pxta7vwDCP" role="3AunhB">
+                          <ref role="a7OzE" node="7pxta7vvn3G" resolve="Uses" />
+                        </node>
+                        <node concept="a7P8L" id="7pxta7v$DQz" role="3AunhB">
+                          <ref role="a7OzE" node="7pxta7v$DcX" resolve="Uses2" />
+                        </node>
+                      </node>
                     </node>
                   </node>
                 </node>
               </node>
             </node>
-            <node concept="3Aq93q" id="22$xxOvWa3C" role="1nLNMb">
+            <node concept="3Aq93q" id="7pxta7vmQAo" role="1nLNMb">
               <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="22$xxOvWa3D" role="3Ip0Jz">
-                <node concept="3I6s7M" id="22$xxOvWa3E" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOvWa3F" role="3I6s78">
-                    <ref role="3AqCNq" node="6Yb9hAqR6c6" resolve="write" />
-                    <node concept="a7P8L" id="22$xxOvWa3G" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3S" resolve="Loc" />
+              <node concept="3I6sU6" id="7pxta7vmQAp" role="3Ip0Jz">
+                <node concept="3I6s7M" id="7pxta7vmQAq" role="3I6sU7">
+                  <node concept="3Aqt3T" id="7pxta7vmQAr" role="3I6s78">
+                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="used_visit" />
+                    <node concept="a7P8L" id="7pxta7vmQAs" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vmQAD" resolve="Node" />
                     </node>
-                    <node concept="a7P8L" id="22$xxOvWa3H" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+                    <node concept="a7P8L" id="7pxta7vvn3O" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vvn3G" resolve="Uses" />
                     </node>
                   </node>
                 </node>
               </node>
             </node>
-            <node concept="3Aq93q" id="22$xxOvWa3I" role="1nLNMb">
+            <node concept="3Aq93q" id="7pxta7vmQAt" role="1nLNMb">
               <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="22$xxOvWa3J" role="3Ip0Jz">
-                <node concept="3I6s7M" id="22$xxOvWa3K" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOvWa3L" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvW84F" resolve="live" />
-                    <node concept="a7P8L" id="22$xxOvWa3M" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3S" resolve="Loc" />
+              <node concept="3I6sU6" id="7pxta7vmQAu" role="3Ip0Jz">
+                <node concept="3I6s7M" id="7pxta7vmQAv" role="3I6sU7">
+                  <node concept="3Aqt3T" id="7pxta7vmQAw" role="3I6s78">
+                    <ref role="3AqCNq" node="6Yb9hAqNHxU" resolve="read" />
+                    <node concept="a7P8L" id="7pxta7vmQAx" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vmQA_" resolve="Loc" />
                     </node>
-                    <node concept="a7P8L" id="22$xxOvWa3N" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3T" resolve="WSite" />
-                    </node>
-                    <node concept="a7P8L" id="22$xxOvWa3O" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3U" resolve="RSite" />
-                    </node>
-                    <node concept="a7P8L" id="22$xxOw2sQm" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOw2sQf" resolve="Node2" />
+                    <node concept="a7P8L" id="7pxta7vmQAy" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vmQAD" resolve="Node" />
                     </node>
                   </node>
                 </node>
               </node>
             </node>
-            <node concept="0eUR_" id="22$xxOvWa3Q" role="0UC6o">
-              <node concept="3NuqgR" id="22$xxOvWa3R" role="0eVf_">
-                <node concept="aZer4" id="22$xxOvWa3S" role="3XD1gS">
+            <node concept="0eUR_" id="7pxta7vmQAz" role="0UC6o">
+              <node concept="3NuqgR" id="7pxta7vmQA$" role="0eVf_">
+                <node concept="aZer4" id="7pxta7vmQA_" role="3XD1gS">
                   <property role="TrG5h" value="Loc" />
                 </node>
-                <node concept="aZer4" id="22$xxOvWa3T" role="3XD1gS">
-                  <property role="TrG5h" value="WSite" />
+                <node concept="aZer4" id="7pxta7vmQAA" role="3XD1gS">
+                  <property role="TrG5h" value="FreshWSite" />
                 </node>
-                <node concept="aZer4" id="22$xxOvWa3U" role="3XD1gS">
-                  <property role="TrG5h" value="RSite" />
-                </node>
-                <node concept="aZer4" id="22$xxOvWa3V" role="3XD1gS">
-                  <property role="TrG5h" value="FreshRSite" />
-                </node>
-                <node concept="aZer4" id="22$xxOvWa3W" role="3XD1gS">
+                <node concept="aZer4" id="7pxta7vmQAD" role="3XD1gS">
                   <property role="TrG5h" value="Node" />
                 </node>
-                <node concept="aZer4" id="22$xxOw2sQf" role="3XD1gS">
-                  <property role="TrG5h" value="Node2" />
-                </node>
               </node>
-            </node>
-            <node concept="3Aq9E8" id="22$xxOvWa3X" role="1nLNMd">
-              <node concept="3I6sU6" id="22$xxOvWa3Y" role="3Ip0Jz">
-                <node concept="3I6s7M" id="22$xxOw8kBT" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOw8kBR" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOw7RKD" resolve="visited_write" />
-                    <node concept="a7P8L" id="22$xxOw8kCJ" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
-                    </node>
-                  </node>
+              <node concept="3NuqgR" id="7pxta7vzL_m" role="0eVf_">
+                <node concept="aZer4" id="7pxta7vvn3G" role="3XD1gS">
+                  <property role="TrG5h" value="Uses" />
                 </node>
-                <node concept="3I6s7M" id="22$xxOvWa42" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOvWa43" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvW84F" resolve="live" />
-                    <node concept="a7P8L" id="22$xxOvWa44" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3S" resolve="Loc" />
-                    </node>
-                    <node concept="a7P8L" id="22$xxOvWa45" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
-                    </node>
-                    <node concept="a7P8L" id="22$xxOvWa46" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3V" resolve="FreshRSite" />
-                    </node>
-                    <node concept="a7P8L" id="22$xxOvWa47" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+                <node concept="aZer4" id="7pxta7v$DcX" role="3XD1gS">
+                  <property role="TrG5h" value="Uses2" />
+                </node>
+                <node concept="3rvAFt" id="PYgJzEqgRN" role="3vLBG7">
+                  <node concept="3uibUv" id="PYgJzEqgSJ" role="3rvQeY">
+                    <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                  </node>
+                  <node concept="2hMVRd" id="5pIcDR7twmA" role="3rvSg0">
+                    <node concept="3uibUv" id="5pIcDR7twmB" role="2hN53Y">
+                      <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
                     </node>
                   </node>
                 </node>
@@ -5235,62 +5626,116 @@
             </node>
           </node>
         </node>
-        <node concept="3clFbH" id="22$xxOvW9Cu" role="3cqZAp" />
-        <node concept="1nLNNL" id="22$xxOvW9M8" role="3cqZAp">
-          <node concept="1nLNMm" id="22$xxOvW9M9" role="1nLNNK">
-            <node concept="3Aq93q" id="22$xxOvW9Ma" role="1nLNMb">
-              <property role="3ArMco" value="false" />
-              <node concept="3I6sU6" id="22$xxOvW9Mb" role="3Ip0Jz">
-                <node concept="3I6s7M" id="22$xxOvW9Mc" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOvW9Md" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="visit_write" />
-                    <node concept="a7P8L" id="22$xxOvXdrs" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq93q" id="22$xxOvW9Mf" role="1nLNMb">
+      </node>
+    </node>
+    <node concept="1nLNMY" id="5pIcDR7wVru" role="1nK1Vg">
+      <property role="TrG5h" value="used_visit_write" />
+      <node concept="3clFbS" id="5pIcDR7wVrv" role="1nLNMH">
+        <node concept="1nLNNL" id="5pIcDR7wVGS" role="3cqZAp">
+          <node concept="1nLNMm" id="5pIcDR7wVGU" role="1nLNNK">
+            <node concept="3Aq93q" id="5pIcDR7wVHI" role="1nLNMb">
               <property role="3ArMco" value="true" />
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-                <node concept="3I6s7M" id="22$xxOvW9Mh" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOvW9Mi" role="3I6s78">
-                    <ref role="3AqCNq" node="6Yb9hAqR6c6" resolve="write" />
-                    <node concept="a7P8L" id="22$xxOvXdrv" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3S" resolve="Loc" />
+              <node concept="3I6sU6" id="5pIcDR7wVHJ" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7wVIz" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7wVIy" role="3I6s78">
+                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="used_visit" />
+                    <node concept="a7P8L" id="5pIcDR7wVPz" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7wVMw" resolve="Node" />
                     </node>
-                    <node concept="a7P8L" id="22$xxOvXdrz" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+                    <node concept="a7P8L" id="5pIcDR7wVYf" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7wVV6" resolve="Uses" />
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                   </node>
                 </node>
               </node>
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-                    <node concept="a7P8L" id="22$xxOw8kCG" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+            <node concept="3Aq93q" id="5pIcDR7wVZ3" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="5pIcDR7wVZ4" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7wVZY" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7wVZX" role="3I6s78">
+                    <ref role="3AqCNq" node="6Yb9hAqR6c6" resolve="write" />
+                    <node concept="a7P8L" id="5pIcDR7wW3U" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7wW2m" resolve="Loc" />
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+                    <node concept="a7P8L" id="5pIcDR7wW5y" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7wVMw" resolve="Node" />
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-                <node concept="3I6s7M" id="22$xxOvW9Mv" role="3I6sU7">
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-                    <ref role="3AqCNq" node="22$xxOvW84F" resolve="live" />
-                    <node concept="a7P8L" id="22$xxOvXdrB" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3S" resolve="Loc" />
+              </node>
+            </node>
+            <node concept="0eUR_" id="5pIcDR7wVK9" role="0UC6o">
+              <node concept="3NuqgR" id="5pIcDR7wVMv" role="0eVf_">
+                <node concept="aZer4" id="5pIcDR7wW2m" role="3XD1gS">
+                  <property role="TrG5h" value="Loc" />
+                </node>
+                <node concept="aZer4" id="5pIcDR7wVMw" role="3XD1gS">
+                  <property role="TrG5h" value="Node" />
+                </node>
+              </node>
+              <node concept="3NuqgR" id="5pIcDR7xHVW" role="0eVf_">
+                <node concept="aZer4" id="5pIcDR7wVV6" role="3XD1gS">
+                  <property role="TrG5h" value="Uses" />
+                </node>
+                <node concept="aZer4" id="5pIcDR7$26p" role="3XD1gS">
+                  <property role="TrG5h" value="Uses2" />
+                </node>
+                <node concept="3rvAFt" id="5pIcDR7xHWO" role="3vLBG7">
+                  <node concept="3uibUv" id="5pIcDR7xHWP" role="3rvQeY">
+                    <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                  </node>
+                  <node concept="2hMVRd" id="5pIcDR7xHWQ" role="3rvSg0">
+                    <node concept="3uibUv" id="5pIcDR7xHWR" role="2hN53Y">
+                      <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
                     </node>
-                    <node concept="a7P8L" id="22$xxOvXdrH" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+                  </node>
+                </node>
+              </node>
+            </node>
+            <node concept="3Aq9E8" id="5pIcDR7wVR9" role="1nLNMd">
+              <node concept="3I6sU6" id="5pIcDR7wVRa" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7$29I" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7$29G" role="3I6s78">
+                    <ref role="3AqCNq" node="7pxta7vwDws" resolve="append" />
+                    <node concept="a7P8L" id="5pIcDR7$2ck" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7$26p" resolve="Uses2" />
                     </node>
-                    <node concept="a7P8L" id="22$xxOvXdrN" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3V" resolve="FreshRSite" />
+                    <node concept="a7P8L" id="5pIcDR7$2dU" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7wVV6" resolve="Uses" />
                     </node>
-                    <node concept="a7P8L" id="22$xxOvXdrT" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+                  </node>
+                </node>
+                <node concept="3I6s7M" id="5pIcDR7wVRY" role="3I6sU7">
+                  <node concept="3Aqt3T" id="5pIcDR7wVRX" role="3I6s78">
+                    <ref role="3AqCNq" node="5pIcDR7wSAl" resolve="live_visited" />
+                    <node concept="a7P8L" id="5pIcDR7wVTz" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7wVMw" resolve="Node" />
+                    </node>
+                    <node concept="a7P8L" id="5pIcDR7$NdL" role="3AunhB">
+                      <ref role="a7OzE" node="5pIcDR7$26p" resolve="Uses2" />
+                    </node>
+                  </node>
+                </node>
+                <node concept="3I6s7M" id="5pIcDR7zgQ0" role="3I6sU7">
+                  <node concept="3wWvb2" id="5pIcDR7zgQ1" role="3I6s78">
+                    <node concept="2OqwBi" id="5pIcDR7zgQ2" role="3wWo3s">
+                      <node concept="1TmgYN" id="5pIcDR7zgQ3" role="2Oq$k0">
+                        <node concept="1nq8_$" id="5pIcDR7zgQ4" role="1Tms7$">
+                          <node concept="a7P8L" id="5pIcDR7zgQ5" role="1nq8_t">
+                            <ref role="a7OzE" node="5pIcDR7wVV6" resolve="Uses" />
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="kI3uX" id="5pIcDR7zgQ6" role="2OqNvi">
+                        <node concept="1TmgYN" id="5pIcDR7zgQ7" role="kIiFs">
+                          <node concept="1nq8_$" id="5pIcDR7zgQ8" role="1Tms7$">
+                            <node concept="a7P8L" id="5pIcDR7zgQ9" role="1nq8_t">
+                              <ref role="a7OzE" node="5pIcDR7wW2m" resolve="Loc" />
+                            </node>
+                          </node>
+                        </node>
+                      </node>
                     </node>
                   </node>
                 </node>
@@ -5298,7 +5743,11 @@
             </node>
           </node>
         </node>
-        <node concept="3clFbH" id="22$xxOwa8Q_" role="3cqZAp" />
+      </node>
+    </node>
+    <node concept="1nLNMY" id="7pxta7vmNhW" role="1nK1Vg">
+      <property role="TrG5h" value="used_visited_post" />
+      <node concept="3clFbS" id="7pxta7vmNhX" role="1nLNMH">
         <node concept="1nLNNL" id="22$xxOw2srG" role="3cqZAp">
           <node concept="1nLNMm" id="22$xxOw2srI" role="1nLNNK">
             <node concept="3Aq93q" id="22$xxOw2sto" role="1nLNMb">
@@ -5306,9 +5755,12 @@
               <node concept="3I6sU6" id="22$xxOw2stp" role="3Ip0Jz">
                 <node concept="3I6s7M" id="22$xxOw2stt" role="3I6sU7">
                   <node concept="3Aqt3T" id="22$xxOw2sts" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="visit_write" />
-                    <node concept="a7P8L" id="22$xxOw2Tpt" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+                    <ref role="3AqCNq" node="22$xxOvZhlA" resolve="used_visit" />
+                    <node concept="a7P8L" id="7pxta7vmNuF" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vmNuC" resolve="Node" />
+                    </node>
+                    <node concept="a7P8L" id="7pxta7vvM$E" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vvM$$" resolve="Uses" />
                     </node>
                   </node>
                 </node>
@@ -5318,104 +5770,34 @@
               <node concept="3I6sU6" id="22$xxOw8kCw" role="3Ip0Jz">
                 <node concept="3I6s7M" id="22$xxOw8kC$" role="3I6sU7">
                   <node concept="3Aqt3T" id="22$xxOw8kCz" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOw7RKD" resolve="visited_write" />
-                    <node concept="a7P8L" id="22$xxOw8kCD" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOvWa3W" resolve="Node" />
+                    <ref role="3AqCNq" node="22$xxOw7RKD" resolve="used_visited" />
+                    <node concept="a7P8L" id="7pxta7vmNuI" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vmNuC" resolve="Node" />
+                    </node>
+                    <node concept="a7P8L" id="PYgJzEdf6B" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vvM$$" resolve="Uses" />
                     </node>
                   </node>
                 </node>
               </node>
             </node>
-          </node>
-        </node>
-      </node>
-    </node>
-    <node concept="1nLNMY" id="22$xxOvZhtV" role="1nK1Vg">
-      <property role="TrG5h" value="visit_read" />
-      <node concept="3clFbS" id="22$xxOvZhtW" role="1nLNMH">
-        <node concept="1nLNNL" id="22$xxOw8LAT" role="3cqZAp">
-          <node concept="1nLNMm" id="22$xxOw8LAU" role="1nLNNK">
-            <node concept="3Aq93q" id="22$xxOw8LAV" role="1nLNMb">
-              <property role="3ArMco" value="true" />
-              <node concept="3I6sU6" id="22$xxOw8LAW" role="3Ip0Jz">
-                <node concept="3I6s7M" id="22$xxOw8LAX" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOw8LAY" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOw8LBJ" resolve="visited_read" />
-                    <node concept="a7P8L" id="7pxta7vaxzP" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOw8LB7" resolve="Node" />
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq93q" id="22$xxOw8LB0" role="1nLNMb">
-              <property role="3ArMco" value="false" />
-              <node concept="3I6sU6" id="22$xxOw8LB1" role="3Ip0Jz">
-                <node concept="3I6s7M" id="22$xxOw8LB2" role="3I6sU7">
-                  <node concept="3Aqt3T" id="22$xxOw8LB3" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhmm" resolve="visit_read" />
-                    <node concept="a7P8L" id="22$xxOw8LB4" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOw8LB7" resolve="Node" />
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-                </node>
-              </node>
-            </node>
-            <node concept="0eUR_" id="22$xxOw8LB5" role="0UC6o">
-              <node concept="3NuqgR" id="22$xxOw8LB6" role="0eVf_">
-                <node concept="aZer4" id="22$xxOw8LB7" role="3XD1gS">
+            <node concept="0eUR_" id="7pxta7vmNu_" role="0UC6o">
+              <node concept="3NuqgR" id="7pxta7vmNuB" role="0eVf_">
+                <node concept="aZer4" id="7pxta7vmNuC" role="3XD1gS">
                   <property role="TrG5h" value="Node" />
                 </node>
               </node>
-            </node>
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-        <node concept="3clFbH" id="22$xxOw8LB8" role="3cqZAp" />
-        <node concept="1nLNNL" id="22$xxOvZhtX" role="3cqZAp">
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-            <node concept="3Aq93q" id="22$xxOvZhtZ" role="1nLNMb">
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-              <node concept="3I6sU6" id="22$xxOvZhu0" role="3Ip0Jz">
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-                  <node concept="3Aqt3T" id="22$xxOvZhu2" role="3I6s78">
-                    <ref role="3AqCNq" node="22$xxOvZhmm" resolve="visit_read" />
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-                      <ref role="a7OzE" node="22$xxOw8LB7" resolve="Node" />
-                    </node>
+              <node concept="3NuqgR" id="7pxta7v$dpm" role="0eVf_">
+                <node concept="aZer4" id="7pxta7vvM$$" role="3XD1gS">
+                  <property role="TrG5h" value="Uses" />
+                </node>
+                <node concept="3rvAFt" id="PYgJzEqhVJ" role="3vLBG7">
+                  <node concept="3uibUv" id="PYgJzEqhVK" role="3rvQeY">
+                    <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
                   </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq93q" id="22$xxOvZhu4" role="1nLNMb">
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-                  <node concept="3Aqt3T" id="22$xxOvZhu7" role="3I6s78">
-                    <ref role="3AqCNq" node="6Yb9hAqKKfy" resolve="follow" />
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-                    <node concept="a7P8L" id="7pxta7vl0_A" role="3AunhB">
-                      <ref role="a7OzE" node="7pxta7vl0yu" resolve="Next" />
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-                </node>
-              </node>
-            </node>
-            <node concept="0eUR_" id="22$xxOvZhua" role="0UC6o">
-              <node concept="3NuqgR" id="22$xxOvZhub" role="0eVf_">
-                <node concept="aZer4" id="7pxta7vl0yu" role="3XD1gS">
-                  <property role="TrG5h" value="Next" />
-                </node>
-              </node>
-            </node>
-            <node concept="3Aq9E8" id="7pxta7ve0OX" role="1nLNMd">
-              <node concept="3I6sU6" id="7pxta7ve0OY" role="3Ip0Jz">
-                <node concept="3I6s7M" id="7pxta7vl0gQ" role="3I6sU7">
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-                    <ref role="3AqCNq" node="22$xxOvZhmm" resolve="visit_read" />
-                    <node concept="a7P8L" id="7pxta7vl0Bd" role="3AunhB">
-                      <ref role="a7OzE" node="7pxta7vl0yu" resolve="Next" />
+                  <node concept="2hMVRd" id="5pIcDR7tDGq" role="3rvSg0">
+                    <node concept="3uibUv" id="5pIcDR7tDGr" role="2hN53Y">
+                      <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
                     </node>
                   </node>
                 </node>
@@ -5425,389 +5807,114 @@
         </node>
       </node>
     </node>
-    <node concept="1nLNMY" id="22$xxOw4fH3" role="1nK1Vg">
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-              <node concept="3I6sU6" id="7pxta7va4c2" role="3Ip0Jz">
-                <node concept="3I6s7M" id="7pxta7va4cQ" role="3I6sU7">
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-                    <ref role="3AqCNq" node="22$xxOwa8TQ" resolve="visited_read_backtrack" />
-                    <node concept="a7P8L" id="7pxta7va4t3" role="3AunhB">
-                      <ref role="a7OzE" node="7pxta7va4l5" resolve="RSite" />
+    <node concept="1nLNMY" id="7pxta7vmQBH" role="1nK1Vg">
+      <property role="TrG5h" value="live_write" />
+      <node concept="3clFbS" id="7pxta7vmQBI" role="1nLNMH">
+        <node concept="1nLNNL" id="7pxta7vt7AF" role="3cqZAp">
+          <node concept="1nLNMm" id="7pxta7vt7AH" role="1nLNNK">
+            <node concept="3Aq9E8" id="7pxta7vt7Ea" role="1nLNMd">
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+                  <node concept="3Aqt3T" id="7pxta7vt7BK" role="3I6s78">
+                    <ref role="3AqCNq" node="7pxta7vrjE$" resolve="live" />
+                    <node concept="a7P8L" id="7pxta7vt7Cx" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vmQC6" resolve="Loc" />
                     </node>
-                    <node concept="a7P8L" id="7pxta7vaxA8" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOw4fRp" resolve="Node" />
+                    <node concept="a7P8L" id="PYgJzEhGST" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vmQCa" resolve="Node" />
+                    </node>
+                    <node concept="a7P8L" id="7pxta7v$DQL" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vt7CG" resolve="FreshRSite" />
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+                    <node concept="a7P8L" id="7pxta7vt7Dy" role="3AunhB">
+                      <ref role="a7OzE" node="7pxta7vmQCa" resolve="Node" />
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+                  </node>
+                </node>
+                <node concept="3I6s7M" id="7pxta7vBwzr" role="3I6sU7">
+                  <node concept="3Aqt3T" id="7pxta7vBwzp" role="3I6s78">
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+                    <node concept="a7P8L" id="PYgJzEfMUe" role="3AunhB">
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+                    <node concept="a7P8L" id="5pIcDR7pJPJ" role="3AunhB">
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                 </node>
               </node>
             </node>
-            <node concept="3Aq93q" id="7pxta7va4er" role="1nLNMb">
+            <node concept="3Aq93q" id="7pxta7vt7C8" role="1nLNMb">
               <property role="3ArMco" value="false" />
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-                    <node concept="a7P8L" id="7pxta7va4oa" role="3AunhB">
-                      <ref role="a7OzE" node="7pxta7va4iM" resolve="Loc" />
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+                  <node concept="3Aqt3T" id="7pxta7vt7Cm" role="3I6s78">
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+                    <node concept="a7P8L" id="7pxta7vt7Cs" role="3AunhB">
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-                    <node concept="a7P8L" id="7pxta7vaxAW" role="3AunhB">
-                      <ref role="a7OzE" node="22$xxOw4fRp" resolve="Node" />
+                    <node concept="a7P8L" id="5pIcDR7$22Y" role="3AunhB">
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+            <node concept="3Aq93q" id="5pIcDR7wW7T" role="1nLNMb">
+              <property role="3ArMco" value="true" />
+              <node concept="3I6sU6" id="5pIcDR7wW7U" role="3Ip0Jz">
+                <node concept="3I6s7M" id="5pIcDR7wW8Z" role="3I6sU7">
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+                    <ref role="3AqCNq" node="5pIcDR7wSAo" resolve="rw_live" />
+                  </node>
+                </node>
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+              <property role="3ArMco" value="true" />
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+                <node concept="3rvAFt" id="PYgJzEqhTd" role="3vLBG7">
+                  <node concept="3uibUv" id="PYgJzEqhTe" role="3rvQeY">
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@@ -5817,167 +5924,169 @@
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@@ -5985,73 +6094,151 @@
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@@ -6060,11 +6247,214 @@
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+                  <node concept="3wWvb2" id="5pIcDR7tYSl" role="3I6s78">
+                    <node concept="2YIFZM" id="5pIcDR7tYSm" role="3wWo3s">
+                      <ref role="37wK5l" node="5pIcDR7tDMk" resolve="append" />
+                      <ref role="1Pybhc" node="7pxta7vc_Jb" resolve="Util" />
+                      <node concept="1TmgYN" id="5pIcDR7tYSn" role="37wK5m">
+                        <node concept="1nq8_$" id="5pIcDR7tYSo" role="1Tms7$">
+                          <node concept="a7P8L" id="5pIcDR7tYSp" role="1nq8_t">
+                            <ref role="a7OzE" node="7pxta7vwD_p" resolve="Into" />
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="1TmgYN" id="5pIcDR7tYSq" role="37wK5m">
+                        <node concept="1nq8_$" id="5pIcDR7tYSr" role="1Tms7$">
+                          <node concept="a7P8L" id="5pIcDR7tYSs" role="1nq8_t">
+                            <ref role="a7OzE" node="7pxta7vwD_s" resolve="From" />
+                          </node>
+                        </node>
+                      </node>
+                    </node>
+                  </node>
+                </node>
+              </node>
             </node>
           </node>
         </node>
@@ -6088,160 +6478,94 @@
         <property role="TrG5h" value="site" />
       </node>
     </node>
+    <node concept="3AqmO8" id="AoTMCCYnN1" role="8PkJo">
+      <property role="TrG5h" value="rw" />
+    </node>
     <node concept="3AqmO8" id="22$xxOvW8Hm" role="8PkJo">
-      <property role="TrG5h" value="visit" />
+      <property role="TrG5h" value="rw_uses" />
       <node concept="1zAUYm" id="22$xxOvW8HW" role="1zAUyy">
         <property role="TrG5h" value="node" />
       </node>
     </node>
-    <node concept="3AqmO8" id="22$xxOw7RKD" role="8PkJo">
-      <property role="TrG5h" value="visited_write" />
-      <node concept="1zAUYm" id="22$xxOw7RLs" role="1zAUyy">
+    <node concept="3AqmO8" id="5pIcDR7wSAo" role="8PkJo">
+      <property role="TrG5h" value="rw_live" />
+    </node>
+    <node concept="3AqmO8" id="7pxta7vrjE$" role="8PkJo">
+      <property role="TrG5h" value="live" />
+      <node concept="1zAUYm" id="7pxta7vrjE_" role="1zAUyy">
+        <property role="TrG5h" value="loc" />
+      </node>
+      <node concept="1zAUYm" id="7pxta7vrjEA" role="1zAUyy">
+        <property role="TrG5h" value="wsite" />
+      </node>
+      <node concept="1zAUYm" id="7pxta7vrjEB" role="1zAUyy">
+        <property role="TrG5h" value="rsite" />
+      </node>
+      <node concept="1zAUYm" id="7pxta7vrjEC" role="1zAUyy">
+        <property role="TrG5h" value="node" />
+      </node>
+    </node>
+    <node concept="3AqmO8" id="7pxta7vmNbZ" role="8PkJo">
+      <property role="TrG5h" value="used" />
+      <node concept="1zAUYm" id="7pxta7vmNcV" role="1zAUyy">
+        <property role="TrG5h" value="loc" />
+      </node>
+      <node concept="1zAUYm" id="7pxta7vmNcX" role="1zAUyy">
+        <property role="TrG5h" value="wsite" />
+      </node>
+      <node concept="1zAUYm" id="7pxta7vmNd0" role="1zAUyy">
+        <property role="TrG5h" value="rsite" />
+      </node>
+      <node concept="1zAUYm" id="7pxta7vmNd4" role="1zAUyy">
         <property role="TrG5h" value="node" />
       </node>
     </node>
     <node concept="3AqmO8" id="22$xxOvZhlA" role="8PkJo">
-      <property role="TrG5h" value="visit_write" />
+      <property role="TrG5h" value="used_visit" />
       <node concept="1zAUYm" id="22$xxOvZhlB" role="1zAUyy">
         <property role="TrG5h" value="node" />
       </node>
+      <node concept="1zAUYm" id="7pxta7vvmYi" role="1zAUyy">
+        <property role="TrG5h" value="uses" />
+      </node>
     </node>
-    <node concept="3AqmO8" id="22$xxOw9eEw" role="8PkJo">
-      <property role="TrG5h" value="leaf_write" />
-      <node concept="1zAUYm" id="22$xxOw9eFn" role="1zAUyy">
+    <node concept="3AqmO8" id="22$xxOw7RKD" role="8PkJo">
+      <property role="TrG5h" value="used_visited" />
+      <node concept="1zAUYm" id="22$xxOw7RLs" role="1zAUyy">
         <property role="TrG5h" value="node" />
       </node>
+      <node concept="1zAUYm" id="PYgJzEdeVx" role="1zAUyy">
+        <property role="TrG5h" value="uses" />
+      </node>
     </node>
-    <node concept="3AqmO8" id="22$xxOvZhmm" role="8PkJo">
-      <property role="TrG5h" value="visit_read" />
-      <node concept="1zAUYm" id="22$xxOvZhmn" role="1zAUyy">
+    <node concept="3AqmO8" id="5pIcDR7wSAl" role="8PkJo">
+      <property role="TrG5h" value="live_visited" />
+      <node concept="1zAUYm" id="5pIcDR7wSAm" role="1zAUyy">
         <property role="TrG5h" value="node" />
       </node>
-    </node>
-    <node concept="3AqmO8" id="22$xxOw8LBJ" role="8PkJo">
-      <property role="TrG5h" value="visited_read" />
-      <node concept="1zAUYm" id="22$xxOw8LBK" role="1zAUyy">
-        <property role="TrG5h" value="node" />
+      <node concept="1zAUYm" id="5pIcDR7$1ZS" role="1zAUyy">
+        <property role="TrG5h" value="uses" />
       </node>
     </node>
-    <node concept="3AqmO8" id="22$xxOvW84F" role="8PkJo">
-      <property role="TrG5h" value="live" />
-      <node concept="1zAUYm" id="22$xxOvW858" role="1zAUyy">
+    <node concept="3AqmO8" id="PYgJzEfhdR" role="8PkJo">
+      <property role="TrG5h" value="match_uses" />
+      <node concept="1zAUYm" id="PYgJzEfhiw" role="1zAUyy">
         <property role="TrG5h" value="loc" />
       </node>
-      <node concept="1zAUYm" id="22$xxOvW9lz" role="1zAUyy">
+      <node concept="1zAUYm" id="5pIcDR7pJD7" role="1zAUyy">
         <property role="TrG5h" value="wsite" />
       </node>
-      <node concept="1zAUYm" id="22$xxOvW85a" role="1zAUyy">
-        <property role="TrG5h" value="rsite" />
-      </node>
-      <node concept="1zAUYm" id="22$xxOvW85d" role="1zAUyy">
-        <property role="TrG5h" value="node" />
+      <node concept="1zAUYm" id="PYgJzEfhk2" role="1zAUyy">
+        <property role="TrG5h" value="uses" />
       </node>
     </node>
-    <node concept="3AqmO8" id="22$xxOvYnTA" role="8PkJo">
-      <property role="TrG5h" value="read_backtrack" />
-      <node concept="1zAUYm" id="22$xxOvYnUh" role="1zAUyy">
-        <property role="TrG5h" value="loc" />
+    <node concept="3AqmO8" id="7pxta7vwDws" role="8PkJo">
+      <property role="TrG5h" value="append" />
+      <node concept="1zAUYm" id="7pxta7vwDy2" role="1zAUyy">
+        <property role="TrG5h" value="into" />
       </node>
-      <node concept="1zAUYm" id="22$xxOvYnUj" role="1zAUyy">
-        <property role="TrG5h" value="rsite" />
-      </node>
-      <node concept="1zAUYm" id="22$xxOw4fG6" role="1zAUyy">
-        <property role="TrG5h" value="node" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="22$xxOwa8TQ" role="8PkJo">
-      <property role="TrG5h" value="visited_read_backtrack" />
-      <node concept="1zAUYm" id="22$xxOwa8UO" role="1zAUyy">
-        <property role="TrG5h" value="rsite" />
-      </node>
-      <node concept="1zAUYm" id="22$xxOwa8UJ" role="1zAUyy">
-        <property role="TrG5h" value="node" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="22$xxOvW85h" role="8PkJo">
-      <property role="TrG5h" value="unused" />
-      <node concept="1zAUYm" id="22$xxOvW85M" role="1zAUyy">
-        <property role="TrG5h" value="wsite" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="22$xxOvWa_L" role="8PkJo">
-      <property role="TrG5h" value="foul" />
-      <node concept="1zAUYm" id="22$xxOvWaAq" role="1zAUyy">
-        <property role="TrG5h" value="rsite" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="22$xxOvW85O" role="8PkJo">
-      <property role="TrG5h" value="rw" />
-      <node concept="1zAUYm" id="22$xxOvW877" role="1zAUyy">
-        <property role="TrG5h" value="wsite" />
-      </node>
-      <node concept="1zAUYm" id="22$xxOvW879" role="1zAUyy">
-        <property role="TrG5h" value="rsite" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="AoTMCCYnN1" role="8PkJo">
-      <property role="TrG5h" value="trace_rw" />
-    </node>
-    <node concept="3AqmO8" id="FAZzzinz_q" role="8PkJo">
-      <property role="TrG5h" value="rwsite" />
-      <node concept="1zAUYm" id="FAZzzinz_H" role="1zAUyy">
-        <property role="TrG5h" value="loc" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="FAZzzipe4v" role="8PkJo">
-      <property role="TrG5h" value="check_ok" />
-      <node concept="1zAUYm" id="FAZzzipe4O" role="1zAUyy">
-        <property role="TrG5h" value="site" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="FAZzzipe9x" role="8PkJo">
-      <property role="TrG5h" value="check_bad" />
-      <node concept="1zAUYm" id="FAZzzipe9y" role="1zAUyy">
-        <property role="TrG5h" value="site" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="5YmBCzQERxT" role="8PkJo">
-      <property role="TrG5h" value="tr_readOk" />
-      <node concept="1zAUYm" id="5YmBCzQERyk" role="1zAUyy">
-        <property role="TrG5h" value="loc" />
-      </node>
-      <node concept="1zAUYm" id="5YmBCzQLuZa" role="1zAUyy">
-        <property role="TrG5h" value="wsite" />
-      </node>
-      <node concept="1zAUYm" id="5YmBCzQERym" role="1zAUyy">
-        <property role="TrG5h" value="rsite" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="79EwspgMi9T" role="8PkJo">
-      <property role="TrG5h" value="tr_loop_readOk" />
-      <node concept="1zAUYm" id="79EwspgMi9U" role="1zAUyy">
-        <property role="TrG5h" value="loc" />
-      </node>
-      <node concept="1zAUYm" id="79EwspgMi9V" role="1zAUyy">
-        <property role="TrG5h" value="wsite" />
-      </node>
-      <node concept="1zAUYm" id="79EwspgMi9W" role="1zAUyy">
-        <property role="TrG5h" value="rsite" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="5YmBCzQERyW" role="8PkJo">
-      <property role="TrG5h" value="tr_readBad" />
-      <node concept="1zAUYm" id="5YmBCzQERzt" role="1zAUyy">
-        <property role="TrG5h" value="loc" />
-      </node>
-      <node concept="1zAUYm" id="5YmBCzQERzv" role="1zAUyy">
-        <property role="TrG5h" value="via" />
-      </node>
-    </node>
-    <node concept="3AqmO8" id="5YmBCzQERyp" role="8PkJo">
-      <property role="TrG5h" value="tr_writeOk" />
-      <node concept="1zAUYm" id="5YmBCzQERyR" role="1zAUyy">
-        <property role="TrG5h" value="loc" />
-      </node>
-      <node concept="1zAUYm" id="5YmBCzQERyT" role="1zAUyy">
-        <property role="TrG5h" value="wsite" />
+      <node concept="1zAUYm" id="7pxta7vwDy4" role="1zAUyy">
+        <property role="TrG5h" value="from" />
       </node>
     </node>
   </node>
@@ -6288,46 +6612,6 @@
             </node>
             <node concept="3x8VRR" id="FAZzzisEq8" role="2OqNvi" />
           </node>
-          <node concept="3eNFk2" id="22$xxOvWaJ5" role="3eNLev">
-            <node concept="3clFbS" id="22$xxOvWaJ6" role="3eOfB_">
-              <node concept="1nLNNL" id="22$xxOvWaJ7" role="3cqZAp">
-                <node concept="1nLNMm" id="22$xxOvWaJ8" role="1nLNNK">
-                  <node concept="3Aq93q" id="22$xxOvWaJ9" role="1nLNMb">
-                    <property role="3ArMco" value="true" />
-                    <node concept="3I6sU6" id="22$xxOvWaJa" role="3Ip0Jz">
-                      <node concept="3I6s7M" id="22$xxOvWaJb" role="3I6sU7">
-                        <node concept="3Aqt3T" id="22$xxOvWaJc" role="3I6s78">
-                          <ref role="3AqCNq" node="AoTMCCYnN1" resolve="trace_rw" />
-                        </node>
-                      </node>
-                    </node>
-                  </node>
-                  <node concept="3Aq9E8" id="22$xxOvWaJd" role="1nLNMd">
-                    <node concept="3I6sU6" id="22$xxOvWaJe" role="3Ip0Jz">
-                      <node concept="3I6s7M" id="22$xxOvWaJf" role="3I6sU7">
-                        <node concept="3Aqt3T" id="22$xxOvWaJg" role="3I6s78">
-                          <ref role="3AqCNq" node="5YmBCzQERyW" resolve="tr_readBad" />
-                          <node concept="3BlFb$" id="22$xxOvWaJh" role="3AunhB">
-                            <node concept="3A2sRY" id="22$xxOvWaJi" role="3BlFb_">
-                              <ref role="3A2yKK" node="6Yb9hAqNWuH" resolve="lvd" />
-                            </node>
-                          </node>
-                          <node concept="3BlFb$" id="22$xxOvWaJj" role="3AunhB">
-                            <node concept="3A2sRY" id="22$xxOvWaJk" role="3BlFb_">
-                              <ref role="3A2yKK" node="6Yb9hAqNWuH" resolve="lvd" />
-                            </node>
-                          </node>
-                        </node>
-                      </node>
-                    </node>
-                  </node>
-                </node>
-              </node>
-            </node>
-            <node concept="3clFbT" id="22$xxOvWaJ_" role="3eO9$A">
-              <property role="3clFbU" value="false" />
-            </node>
-          </node>
         </node>
       </node>
       <node concept="2t___k" id="6Yb9hAqNWuG" role="1nLNMg">
@@ -6448,65 +6732,121 @@
   </node>
   <node concept="312cEu" id="7pxta7vc_Jb">
     <property role="TrG5h" value="Util" />
-    <node concept="2tJIrI" id="7pxta7vc_Lt" role="jymVt" />
-    <node concept="2YIFZL" id="7pxta7vc_Mm" role="jymVt">
-      <property role="TrG5h" value="inc" />
-      <node concept="37vLTG" id="7pxta7vcD9v" role="3clF46">
-        <property role="TrG5h" value="res" />
-        <node concept="3uibUv" id="7pxta7veuuQ" role="1tU5fm">
-          <ref role="3uigEE" to="bj13:~Logical" resolve="Logical" />
-          <node concept="3uibUv" id="7pxta7veuvI" role="11_B2D">
-            <ref role="3uigEE" to="wyt6:~Integer" resolve="Integer" />
+    <node concept="2tJIrI" id="PYgJzE8MfE" role="jymVt" />
+    <node concept="2YIFZL" id="5pIcDR7tDMk" role="jymVt">
+      <property role="TrG5h" value="append" />
+      <node concept="37vLTG" id="5pIcDR7tDPD" role="3clF46">
+        <property role="TrG5h" value="into" />
+        <node concept="3rvAFt" id="5pIcDR7tDQt" role="1tU5fm">
+          <node concept="3uibUv" id="5pIcDR7tDQu" role="3rvQeY">
+            <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
           </node>
-        </node>
-      </node>
-      <node concept="37vLTG" id="7pxta7vcDbT" role="3clF46">
-        <property role="TrG5h" value="val" />
-        <node concept="3uibUv" id="7pxta7veuwy" role="1tU5fm">
-          <ref role="3uigEE" to="bj13:~Logical" resolve="Logical" />
-          <node concept="3uibUv" id="7pxta7veuxq" role="11_B2D">
-            <ref role="3uigEE" to="wyt6:~Integer" resolve="Integer" />
-          </node>
-        </node>
-      </node>
-      <node concept="10P_77" id="7pxta7vfnAR" role="3clF45" />
-      <node concept="3Tm1VV" id="7pxta7vc_Mp" role="1B3o_S" />
-      <node concept="3clFbS" id="7pxta7vc_Mq" role="3clF47">
-        <node concept="3clFbH" id="7pxta7vfODd" role="3cqZAp" />
-        <node concept="3clFbH" id="7pxta7vfODt" role="3cqZAp" />
-        <node concept="3clFbH" id="7pxta7vfODI" role="3cqZAp" />
-        <node concept="3Aqczg" id="7pxta7vd2fY" role="3cqZAp">
-          <node concept="3A8Hvi" id="7pxta7vd2fS" role="3Aqpz8">
-            <node concept="aZ4PW" id="7pxta7vd2hg" role="3A8wtg">
-              <node concept="37vLTw" id="7pxta7vd2iR" role="aZ4eD">
-                <ref role="3cqZAo" node="7pxta7vcD9v" resolve="res" />
-              </node>
+          <node concept="2hMVRd" id="5pIcDR7tDQv" role="3rvSg0">
+            <node concept="3uibUv" id="5pIcDR7tDQw" role="2hN53Y">
+              <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
             </node>
-            <node concept="HKQnh" id="7pxta7vd2jE" role="3A8w4Q">
-              <node concept="3cpWs3" id="7pxta7vd4gl" role="HKQng">
-                <node concept="3cmrfG" id="7pxta7vd4h9" role="3uHU7w">
-                  <property role="3cmrfH" value="1" />
+          </node>
+        </node>
+      </node>
+      <node concept="37vLTG" id="5pIcDR7tDS5" role="3clF46">
+        <property role="TrG5h" value="from" />
+        <node concept="3rvAFt" id="5pIcDR7tDSY" role="1tU5fm">
+          <node concept="3uibUv" id="5pIcDR7tDSZ" role="3rvQeY">
+            <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+          </node>
+          <node concept="2hMVRd" id="5pIcDR7tDT0" role="3rvSg0">
+            <node concept="3uibUv" id="5pIcDR7tDT1" role="2hN53Y">
+              <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+            </node>
+          </node>
+        </node>
+      </node>
+      <node concept="3cqZAl" id="5pIcDR7tDMm" role="3clF45" />
+      <node concept="3Tm1VV" id="5pIcDR7tDMn" role="1B3o_S" />
+      <node concept="3clFbS" id="5pIcDR7tDMo" role="3clF47">
+        <node concept="2Gpval" id="5pIcDR7tFIx" role="3cqZAp">
+          <node concept="3clFbS" id="5pIcDR7tFeD" role="2LFqv$">
+            <node concept="3clFbJ" id="5pIcDR7tFMs" role="3cqZAp">
+              <node concept="2OqwBi" id="5pIcDR7tGjf" role="3clFbw">
+                <node concept="37vLTw" id="5pIcDR7tFOK" role="2Oq$k0">
+                  <ref role="3cqZAo" node="5pIcDR7tDPD" resolve="into" />
                 </node>
-                <node concept="2OqwBi" id="7pxta7veuyX" role="3uHU7B">
-                  <node concept="2OqwBi" id="7pxta7veuyY" role="2Oq$k0">
-                    <node concept="37vLTw" id="7pxta7veuyZ" role="2Oq$k0">
-                      <ref role="3cqZAo" node="7pxta7vcDbT" resolve="val" />
+                <node concept="2Nt0df" id="5pIcDR7tGTm" role="2OqNvi">
+                  <node concept="2OqwBi" id="5pIcDR7tH9l" role="38cxEo">
+                    <node concept="2GrUjf" id="5pIcDR7tGVE" role="2Oq$k0">
+                      <ref role="2Gs0qQ" node="5pIcDR7tFJd" resolve="m" />
                     </node>
-                    <node concept="liA8E" id="7pxta7veuz0" role="2OqNvi">
-                      <ref role="37wK5l" to="bj13:~Logical.findRoot():jetbrains.mps.logic.reactor.logical.Logical" resolve="findRoot" />
+                    <node concept="3AY5_j" id="5pIcDR7tHFV" role="2OqNvi" />
+                  </node>
+                </node>
+              </node>
+              <node concept="3clFbS" id="5pIcDR7tFMu" role="3clFbx">
+                <node concept="3clFbF" id="5pIcDR7tHIe" role="3cqZAp">
+                  <node concept="2OqwBi" id="5pIcDR7tJqL" role="3clFbG">
+                    <node concept="3EllGN" id="5pIcDR7tIav" role="2Oq$k0">
+                      <node concept="2OqwBi" id="5pIcDR7tIqG" role="3ElVtu">
+                        <node concept="2GrUjf" id="5pIcDR7tIcR" role="2Oq$k0">
+                          <ref role="2Gs0qQ" node="5pIcDR7tFJd" resolve="m" />
+                        </node>
+                        <node concept="3AY5_j" id="5pIcDR7tIKb" role="2OqNvi" />
+                      </node>
+                      <node concept="37vLTw" id="5pIcDR7tHId" role="3ElQJh">
+                        <ref role="3cqZAo" node="5pIcDR7tDPD" resolve="into" />
+                      </node>
+                    </node>
+                    <node concept="X8dFx" id="5pIcDR7tM2o" role="2OqNvi">
+                      <node concept="2OqwBi" id="5pIcDR7tN5b" role="25WWJ7">
+                        <node concept="2GrUjf" id="5pIcDR7tMh2" role="2Oq$k0">
+                          <ref role="2Gs0qQ" node="5pIcDR7tFJd" resolve="m" />
+                        </node>
+                        <node concept="3AV6Ez" id="5pIcDR7tOah" role="2OqNvi" />
+                      </node>
                     </node>
                   </node>
-                  <node concept="liA8E" id="7pxta7veuz1" role="2OqNvi">
-                    <ref role="37wK5l" to="bj13:~Logical.value():java.lang.Object" resolve="value" />
+                </node>
+              </node>
+              <node concept="9aQIb" id="5pIcDR7tOCj" role="9aQIa">
+                <node concept="3clFbS" id="5pIcDR7tOCk" role="9aQI4">
+                  <node concept="3clFbF" id="5pIcDR7tOFn" role="3cqZAp">
+                    <node concept="37vLTI" id="5pIcDR7tT5e" role="3clFbG">
+                      <node concept="2ShNRf" id="5pIcDR7tUhf" role="37vLTx">
+                        <node concept="2i4dXS" id="5pIcDR7tUdT" role="2ShVmc">
+                          <node concept="3uibUv" id="5pIcDR7tUdU" role="HW$YZ">
+                            <ref role="3uigEE" to="6exd:1bm7a6EXvsP" resolve="DataForm" />
+                          </node>
+                          <node concept="2OqwBi" id="5pIcDR7tX9q" role="I$8f6">
+                            <node concept="2GrUjf" id="5pIcDR7tWEZ" role="2Oq$k0">
+                              <ref role="2Gs0qQ" node="5pIcDR7tFJd" resolve="m" />
+                            </node>
+                            <node concept="3AV6Ez" id="5pIcDR7tYye" role="2OqNvi" />
+                          </node>
+                        </node>
+                      </node>
+                      <node concept="3EllGN" id="5pIcDR7tPEZ" role="37vLTJ">
+                        <node concept="2OqwBi" id="5pIcDR7tQkw" role="3ElVtu">
+                          <node concept="2GrUjf" id="5pIcDR7tPHn" role="2Oq$k0">
+                            <ref role="2Gs0qQ" node="5pIcDR7tFJd" resolve="m" />
+                          </node>
+                          <node concept="3AY5_j" id="5pIcDR7tRDi" role="2OqNvi" />
+                        </node>
+                        <node concept="37vLTw" id="5pIcDR7tOFm" role="3ElQJh">
+                          <ref role="3cqZAo" node="5pIcDR7tDPD" resolve="into" />
+                        </node>
+                      </node>
+                    </node>
                   </node>
                 </node>
               </node>
             </node>
           </node>
-        </node>
-        <node concept="3clFbF" id="7pxta7vfnCR" role="3cqZAp">
-          <node concept="3clFbT" id="7pxta7vfnCQ" role="3clFbG">
-            <property role="3clFbU" value="true" />
+          <node concept="2OqwBi" id="5pIcDR7tFeM" role="2GsD0m">
+            <node concept="37vLTw" id="5pIcDR7tFeN" role="2Oq$k0">
+              <ref role="3cqZAo" node="5pIcDR7tDS5" resolve="from" />
+            </node>
+            <node concept="3CFNJx" id="5pIcDR7tFeO" role="2OqNvi" />
+          </node>
+          <node concept="2GrKxI" id="5pIcDR7tFJd" role="2Gsz3X">
+            <property role="TrG5h" value="m" />
           </node>
         </node>
       </node>
diff --git a/build.xml b/build.xml
index a89f0fb5..0e1f56e7 100644
--- a/build.xml
+++ b/build.xml
@@ -1228,9 +1228,7 @@
     <mkdir dir="${build.tmp}/default/jetbrains.mps.typechecking.sample.jar/META-INF" />
     <echoxml file="${build.tmp}/default/jetbrains.mps.typechecking.sample.jar/META-INF/module.xml">
       <module namespace="jetbrains.mps.typechecking.sample" type="solution" uuid="3ddddf69-9ff0-426b-9365-51ae7356fb82">
-        <dependencies>
-          <module ref="6354ebe7-c22a-4a0f-ac54-50b52ab9b065(JDK)" />
-        </dependencies>
+        <dependencies />
         <classpath>
           <entry path="." />
         </classpath>
@@ -2634,6 +2632,7 @@
         <module file="${basedir}/logic/languages/jetbrains.mps.logic/runtime/jetbrains.mps.logic.runtime.msd" />
         <module file="${basedir}/typechecking/languages/jetbrains.mps.typechecking.annotation/jetbrains.mps.typechecking.annotation.mpl" />
         <module file="${basedir}/typechecking/solutions/jetbrains.mps.typechecking.reporting/jetbrains.mps.typechecking.reporting.msd" />
+        <module file="${basedir}/typechecking/solutions/jetbrains.mps.typechecking.sample/jetbrains.mps.typechecking.sample.msd" />
       </chunk>
       <chunk>
         <module file="${basedir}/coderules/solutions/jetbrains.mps.coderules/jetbrains.mps.coderules.msd" />
@@ -2657,7 +2656,6 @@
         <module file="${basedir}/baselanguage/solutions/jetbrains.mps.baseLanguageExt.test/jetbrains.mps.baseLanguageExt.test.msd" />
       </chunk>
       <chunk>
-        <module file="${basedir}/typechecking/solutions/jetbrains.mps.typechecking.sample/jetbrains.mps.typechecking.sample.msd" />
         <module file="${basedir}/typechecking/solutions/jetbrains.mps.typechecking.sample.test/jetbrains.mps.typechecking.sample.test.msd" />
         <module file="${basedir}/typechecking/solutions/jetbrains.mps.typechecking.test/jetbrains.mps.typechecking.test.msd" />
       </chunk>
@@ -4436,6 +4434,7 @@
     <delete dir="${mps.macro.logic_home}/logic/languages/jetbrains.mps.logic/runtime/source_gen" />
     <delete dir="${mps.macro.logic_home}/typechecking/languages/jetbrains.mps.typechecking.annotation/source_gen" />
     <delete dir="${mps.macro.logic_home}/typechecking/solutions/jetbrains.mps.typechecking.reporting/source_gen" />
+    <delete dir="${mps.macro.logic_home}/typechecking/solutions/jetbrains.mps.typechecking.sample/source_gen" />
     <delete dir="${mps.macro.logic_home}/coderules/solutions/jetbrains.mps.coderules/source_gen" />
     <delete dir="${mps.macro.logic_home}/coderules/solutions/jetbrains.mps.coderules.ui/source_gen" />
     <delete dir="${mps.macro.logic_home}/controlflow/solutions/jetbrains.mps.controlflow/source_gen" />
@@ -4458,7 +4457,6 @@
     <delete dir="${mps.macro.logic_home}/typechecking/solutions/jetbrains.mps.typechecking.ui/source_gen" />
     <delete dir="${mps.macro.logic_home}/baselanguage/languages/jetbrains.mps.baseLanguageExt/source_gen" />
     <delete dir="${mps.macro.logic_home}/baselanguage/solutions/jetbrains.mps.baseLanguageExt.test/source_gen" />
-    <delete dir="${mps.macro.logic_home}/typechecking/solutions/jetbrains.mps.typechecking.sample/source_gen" />
     <delete dir="${mps.macro.logic_home}/typechecking/solutions/jetbrains.mps.typechecking.sample.test/source_gen" />
     <delete dir="${mps.macro.logic_home}/typechecking/solutions/jetbrains.mps.typechecking.test/source_gen" />
     <delete dir="${mps.macro.logic_home}/logic/solutions/jetbrains.mps.logic.test/test_gen" />