Add protection cram tests for 13-privatized/19-publish-precision and 20-publish-regression

Author: sim642

tests/regression/13-privatized/19-publish-precision.t

@@ -0,0 +1,21 @@
+  $ goblint --enable dbg.print_protection 19-publish-precision.c
+  [Success][Assert] Assertion "glob1 == 0" will succeed (19-publish-precision.c:27:3-27:30)
+  [Success][Assert] Assertion "glob1 == 5" will succeed (19-publish-precision.c:17:3-17:30)
+  [Warning][Assert] Assertion "glob1 == 0" is unknown. (19-publish-precision.c:30:3-30:30)
+  [Warning][Assert] Assertion "glob1 == 5" is unknown. (19-publish-precision.c:31:3-31:30)
+  [Info][Deadcode] Logical lines of code (LLoC) summary:
+    live: 20
+    dead: 0
+    total lines: 20
+  [Info][Race] Mutex mutex1 read-write protects 0 variable(s): {}
+  [Info][Race] Variable glob1 read-write protected by 1 mutex(es): {mutex2}
+  [Info][Race] Mutex mutex2 read-write protects 1 variable(s): {glob1}
+  [Info][Race] Mutex read-write protection summary:
+    Number of mutexes: 2
+    Max number variables of protected by a mutex: 1
+    Total number of protected variables (including duplicates): 1
+  [Info][Race] Memory locations race summary:
+    safe: 1
+    vulnerable: 0
+    unsafe: 0
+    total memory locations: 1

tests/regression/13-privatized/20-publish-regression.t

@@ -0,0 +1,20 @@
+  $ goblint --enable dbg.print_protection 20-publish-regression.c
+  [Success][Assert] Assertion "glob1 == 0" will succeed (20-publish-regression.c:29:3-29:30)
+  [Success][Assert] Assertion "glob1 == 5" will succeed (20-publish-regression.c:20:3-20:30)
+  [Success][Assert] Assertion "glob1 == 0" will succeed (20-publish-regression.c:32:3-32:30)
+  [Info][Deadcode] Logical lines of code (LLoC) summary:
+    live: 19
+    dead: 0
+    total lines: 19
+  [Info][Race] Mutex mutex1 read-write protects 1 variable(s): {glob1}
+  [Info][Race] Variable glob1 read-write protected by 1 mutex(es): {mutex1}
+  [Info][Race] Mutex mutex2 read-write protects 0 variable(s): {}
+  [Info][Race] Mutex read-write protection summary:
+    Number of mutexes: 2
+    Max number variables of protected by a mutex: 1
+    Total number of protected variables (including duplicates): 1
+  [Info][Race] Memory locations race summary:
+    safe: 1
+    vulnerable: 0
+    unsafe: 0
+    total memory locations: 1