JBMC tests should not use --cover

Use assertions instead.
Tests that make only sense with --cover
are moved to jbmc-cover.

Author: peterschrammel

jbmc/regression/jbmc/covered1/covered1.class renamed to jbmc/regression/jbmc-cover/covered1/covered1.class

@@ -13,10 +13,15 @@ class ClassB {
         int getId() { return id; }
     }
 
-    public int getFromAbstract(AbstractInt<ClassA, ClassB> arg) {
+    public int getFromAbstract(AbstractImpl<ClassA, ClassB> arg) {
+        if (arg == null)
+            return -1;
         AbstractImpl<Dummy, Dummy> dummy = new AbstractImpl<>();
         ClassB b = arg.get();
+        if (b == null)
+            return -1;
         int i = b.getId();
+        assert(i > 0);
         return i;
     }
 }

jbmc/regression/jbmc/covered1/covered1.java renamed to jbmc/regression/jbmc-cover/covered1/covered1.java

@@ -1,9 +1,6 @@
 CORE
 AbstractTest.class
---cover location --function AbstractTest.getFromAbstract
-^EXIT=0$
+--function AbstractTest.getFromAbstract
+^EXIT=10$
 ^SIGNAL=0$
-file AbstractTest.java line 18 .* SATISFIED
-file AbstractTest.java line 19 .* SATISFIED
-file AbstractTest.java line 20 .* SATISFIED
-file AbstractTest.java line 21 .* SATISFIED
+assertion at file AbstractTest.java line 24 .*: FAILURE