1 files changed, 59 insertions, 0 deletions
diff --git a/property/CNE_00100.pro b/property/CNE_00100.pro
new file mode 100644
index 0000000..1078938
--- /dev/null
+++ b/property/CNE_00100.pro
@@ -0,0 +1,59 @@
+(seek
+   (
+      (wfm waveform)
+   )
+   (and
+      ;; If the name of the waveform does not end in "_n",
+      (not (string_matches [identifier [is_waveform_of wfm]] ".*_n"))
+      ;; and there is a process
+      (exists p1 process
+         ;; that.
+         (CTL_verifies p1
+            ;; at some point,
+            (EF
+               (and
+                  ;; has a condition which tests the the signal against '0'.
+                  (kind "if")
+                  (is_read_structure "(???)")
+                  (is_read_element "0" "=")
+                  (or
+                     (and
+                        (is_read_element "1" "'0'")
+                        (is_read_element "2" wfm)
+                     )
+                     (and
+                        (is_read_element "1" wfm)
+                        (is_read_element "2" "'0'")
+                     )
+                  )
+               )
+            )
+         )
+      )
+      ;; and that signal is never tested against '1'.
+      (not
+         (exists p2 process
+            (CTL_verifies p2
+               (EF
+                  (and
+                     (kind "if")
+                     (is_read_structure "(???)")
+                     (is_read_element "0" "=")
+                     (or
+                        (and
+                           (is_read_element "1" "'1'")
+                           (is_read_element "2" wfm)
+                        )
+                        (and
+                           (is_read_element "1" wfm)
+                           (is_read_element "2" "'1'")
+                        )
+                     )
+                  )
+               )
+            )
+         )
+      )
+   )
+   ;; Then it is misnamed.
+)