.

Route.tla

@@ -13,10 +13,13 @@ ASSUME /\ root \in Nodes
 
 
 \* Connected is true if two nodes i and j are interconnected by some path.
-RECURSIVE Connected(_,_)
-Connected(i,j) ==
-        \/ {i,j} \in Edges
-        \/ \E x \in Nodes : ({i,x} \in Edges) /\ Connected(x,j)
+RECURSIVE _Connected(_,_,_)
+_Connected(i,j,Intra) ==
+        CASE {i,j} \in Edges -> TRUE
+          [] Intra = {}      -> FALSE
+          [] OTHER           -> \E x \in Intra : ({i,x} \in Edges) /\ _Connected(x,j, Intra\{x})
+
+Connected(i,j) == _Connected(i,j, Nodes\{i,j})
 
 \* All nodes must be connected
 ASSUME \A i,j \in Nodes : Connected(i,j)
@@ -77,7 +80,7 @@ QueuesTo(n)   == {q \in Queues : q[2] = n}
             with (q \in {r \in QueuesTo(self) : msgs[r] /= << >>}) {
               with (m = Head(msgs[q])) {
               with (msgs_ = [msgs EXCEPT ![q] = Tail(msgs[q])]) {
-                if (m < depth - 1) {
+                if (depth = Inf \/ m < depth - 1) {
                   depth := m + 1;
                   parent := q[1];
                   \* send m further to all neighbours except from whom we received it
@@ -96,7 +99,7 @@ QueuesTo(n)   == {q \in Queues : q[2] = n}
   }
 };
 ********)
-\* BEGIN TRANSLATION (chksum(pcal) = "a6173f58" /\ chksum(tla) = "9d62fe6c")
+\* BEGIN TRANSLATION (chksum(pcal) = "b56d10df" /\ chksum(tla) = "c40e6a89")
 VARIABLES msgs, depth, parent
 
 vars == << msgs, depth, parent >>
@@ -114,7 +117,7 @@ Init == (* Global variables *)
 RT(self) == \E q \in {r \in QueuesTo(self) : msgs[r] /= << >>}:
               LET m == Head(msgs[q]) IN
                 LET msgs_ == [msgs EXCEPT ![q] = Tail(msgs[q])] IN
-                  IF m < depth[self] - 1
+                  IF depth[self] = Inf \/ m < depth[self] - 1
                      THEN /\ depth' = [depth EXCEPT ![self] = m + 1]
                           /\ parent' = [parent EXCEPT ![self] = q[1]]
                           /\ LET msgs__ ==      [t \in Queues |->

Route.toolbox/Route___Model_1.launch

@@ -5,7 +5,7 @@
     <stringAttribute key="distributedNetworkInterface" value="192.168.122.1"/>
     <intAttribute key="distributedNodesCount" value="1"/>
     <stringAttribute key="distributedTLC" value="off"/>
-    <intAttribute key="fpIndex" value="26"/>
+    <intAttribute key="fpIndex" value="93"/>
     <intAttribute key="maxHeapSize" value="25"/>
     <stringAttribute key="modelBehaviorInit" value=""/>
     <stringAttribute key="modelBehaviorNext" value=""/>