Add failing test

Test tries to write and read from and array index.

Author: Petr Bauch

testsuite/gnat2goto/tests/arrays/arrays.adb

@@ -3,5 +3,4 @@ procedure Arrays is
    Actual7 : Arr7 := (1,2,3);
 begin
    Actual7(1) := 2;
---   pragma Assert(Actual7(1) =2);
 end Arrays;

testsuite/gnat2goto/tests/arrays_access/arrays_access.adb

@@ -0,0 +1,7 @@
+procedure Arrays_Access is
+   type Arr7 is array (1 .. 3) of Integer;
+   Actual7 : Arr7 := (1,2,3);
+begin
+   Actual7(1) := 2;
+   pragma Assert(Actual7(1) = 2);
+end Arrays_Access;

testsuite/gnat2goto/tests/arrays_access/test.opt

@@ -0,0 +1 @@
+ALL XFAIL cbmc crashes when reading gnat2goto output (in symex)

testsuite/gnat2goto/tests/arrays_access/test.py

@@ -0,0 +1,3 @@
+from test_support import *
+
+prove()