diff --git a/db/11/11p0ncsn5kxzu3gt335tx3g05a7lp3a.puml b/db/11/11p0ncsn5kxzu3gt335tx3g05a7lp3a.puml
new file mode 100644
index 00000000..1c3802dd
--- /dev/null
+++ b/db/11/11p0ncsn5kxzu3gt335tx3g05a7lp3a.puml
@@ -0,0 +1,18 @@
+{
+  "sha1": "11p0ncsn5kxzu3gt335tx3g05a7lp3a",
+  "insertion": {
+    "when": "2025-11-05T08:52:15.498Z",
+    "url": "https://github.com/plantuml/plantuml/issues/2416",
+    "user": "plantuml@gmail.com"
+  }
+}
+@startuml
+!include <DomainStory/domainStory>
+
+Boundary(System) {
+Person(Alice)
+Conversation(weather)
+Person(Bob)
+}
+activity(1, Alice, talks about the, weather, with, Bob)
+@enduml
diff --git a/db/i1/i19g6g2zrxikw0539nqvknf75lf2o8.puml b/db/i1/i19g6g2zrxikw0539nqvknf75lf2o8.puml
new file mode 100644
index 00000000..7775f509
--- /dev/null
+++ b/db/i1/i19g6g2zrxikw0539nqvknf75lf2o8.puml
@@ -0,0 +1,15 @@
+{
+  "sha1": "i19g6g2zrxikw0539nqvknf75lf2o8",
+  "insertion": {
+    "when": "2025-11-05T08:52:15.459Z",
+    "url": "https://github.com/plantuml/plantuml/issues/2416",
+    "user": "plantuml@gmail.com"
+  }
+}
+@startuml
+!$var=5
+!$var=$var-1
+
+participant a
+a --> b : $var
+@enduml
diff --git a/db/jj/jjiled5ktvlvnfq19m19hx13aw7el6i.puml b/db/jj/jjiled5ktvlvnfq19m19hx13aw7el6i.puml
new file mode 100644
index 00000000..8bacd899
--- /dev/null
+++ b/db/jj/jjiled5ktvlvnfq19m19hx13aw7el6i.puml
@@ -0,0 +1,14 @@
+{
+  "sha1": "jjiled5ktvlvnfq19m19hx13aw7el6i",
+  "insertion": {
+    "when": "2025-11-05T08:52:15.497Z",
+    "url": "https://github.com/plantuml/plantuml/issues/2416",
+    "user": "plantuml@gmail.com"
+  }
+}
+@startuml
+!$var = 5
+!if $var > -1
+: var is $var ;
+!endif
+@enduml
diff --git a/input/negative.puml b/input/negative.puml
new file mode 100644
index 00000000..ec6eca43
--- /dev/null
+++ b/input/negative.puml
@@ -0,0 +1,35 @@
+
+https://github.com/plantuml/plantuml/issues/2416
+
+@startuml
+!$var=5
+!$var=$var-1
+
+participant a
+a --> b : $var
+@enduml
+
+
+https://github.com/plantuml/plantuml/issues/2416
+
+@startuml
+!$var = 5
+!if $var > -1
+: var is $var ;
+!endif
+@enduml
+
+
+
+https://github.com/plantuml/plantuml/issues/2416
+
+@startuml
+!include <DomainStory/domainStory>
+
+Boundary(System) {
+Person(Alice)
+Conversation(weather)
+Person(Bob)
+}
+activity(1, Alice, talks about the, weather, with, Bob)
+@enduml