Fixing regression test.

Author: marek-trtik

regression/cbmc/address_space_size_limit1/test.desc

@@ -1,5 +1,7 @@
 CORE
 test.c
 --no-simplify --unwind 300 --object-bits 8
+^EXIT=6$
+^SIGNAL=0$
 too many addressed objects
---
+--

regression/cbmc/realloc3/test.desc

@@ -1,8 +1,12 @@
 CORE
 main.c
 
-^EXIT=0$
+^EXIT=6$
 ^SIGNAL=0$
-^VERIFICATION SUCCESSFUL$
+pointer handling for concurrency is unsound
 --
 ^warning: ignoring
+--
+The test uses "__CPROVER_ASYNC_1:" and the async-called function foo
+does pointer operations over allocated memory - which is not handled sound
+way in CBMC.

regression/strings-smoke-tests/java_format/test.desc

@@ -5,5 +5,4 @@ test.class
 ^SIGNAL=0$
 ^\[.*assertion.1\].* line 6.* SUCCESS$
 ^\[.*assertion.2\].* line 7.* FAILURE$
---
-^ignoring
+--