Many changes made

rtree-c/test/expected/add/reduction/r0000100010.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return add(10, 0);
+}

rtree-c/test/expected/add/reduction/r0000100011.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 1 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 0;
+}

rtree-c/test/expected/add/reduction/r0000100100.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 0 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return add(0, 23);
+}

rtree-c/test/expected/add/reduction/r0000100101.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 0;
+}

rtree-c/test/expected/add/reduction/r0000100110.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return add(0, 0);
+}

rtree-c/test/expected/add/reduction/r0000100111.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 1 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 0;
+}

rtree-c/test/expected/add/reduction/r0000101000.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 1 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 0 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return (10, 23);
+}

rtree-c/test/expected/add/reduction/r0000101001.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 1 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 0;
+}

rtree-c/test/expected/add/reduction/r0000101010.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 1 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 10;
+}

rtree-c/test/expected/add/reduction/r0000101011.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 1 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 1 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 0;
+}

rtree-c/test/expected/add/reduction/r0000101100.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 1 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 0 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 23;
+}

rtree-c/test/expected/add/reduction/r0000101101.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 1 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 0;
+}

rtree-c/test/expected/add/reduction/r000010111.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 1 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return 0;
+}
+int main()
+{
+    return 0;
+}

rtree-c/test/expected/add/reduction/r000011.c

 // 0 remove function add at ("test/cases/small/add.c": line 1)
 // 0 remove statement at ("test/cases/small/add.c": line 2)
-// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 reduce to left at ("test/cases/small/add.c": line 2)
-// 1 reduce to right at ("test/cases/small/add.c": line 2)
+// 0 reduce to right at ("test/cases/small/add.c": line 2)
+// 1 replace by zero at ("test/cases/small/add.c": line 2)
 // 1 remove statement at ("test/cases/small/add.c": line 6)
 
 int add(int a, int b)
 {
-    return b;
+    return 0;
 }
 int main()
 {

rtree-c/test/expected/add/reduction/r000010000.c → rtree-c/test/expected/add/reduction/r0001000000.c

 // 0 remove function add at ("test/cases/small/add.c": line 1)
 // 0 remove statement at ("test/cases/small/add.c": line 2)
-// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 reduce to left at ("test/cases/small/add.c": line 2)
 // 1 reduce to right at ("test/cases/small/add.c": line 2)
+// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 remove statement at ("test/cases/small/add.c": line 6)
-// 0 replace by zero at ("test/cases/small/add.c": line 6)
-// 0 replace by zero at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
 // 0 replace by zero at ("test/cases/small/add.c": line 6)
 
 int add(int a, int b)

rtree-c/test/expected/add/reduction/r0000101.c → rtree-c/test/expected/add/reduction/r0001000001.c

 // 0 remove function add at ("test/cases/small/add.c": line 1)
 // 0 remove statement at ("test/cases/small/add.c": line 2)
-// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 reduce to left at ("test/cases/small/add.c": line 2)
 // 1 reduce to right at ("test/cases/small/add.c": line 2)
+// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
 // 1 replace by zero at ("test/cases/small/add.c": line 6)
 
 int add(int a, int b)

rtree-c/test/expected/add/reduction/r000010001.c → rtree-c/test/expected/add/reduction/r0001000010.c

 // 0 remove function add at ("test/cases/small/add.c": line 1)
 // 0 remove statement at ("test/cases/small/add.c": line 2)
-// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 reduce to left at ("test/cases/small/add.c": line 2)
 // 1 reduce to right at ("test/cases/small/add.c": line 2)
+// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
 // 0 replace by zero at ("test/cases/small/add.c": line 6)
-// 0 replace by zero at ("test/cases/small/add.c": line 6)
-// 1 replace by zero at ("test/cases/small/add.c": line 6)
 
 int add(int a, int b)
 {

rtree-c/test/expected/add/reduction/r0001000011.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 1 reduce to right at ("test/cases/small/add.c": line 2)
+// 0 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 1 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return b;
+}
+int main()
+{
+    return 0;
+}

rtree-c/test/expected/add/reduction/r000010010.c → rtree-c/test/expected/add/reduction/r0001000100.c

 // 0 remove function add at ("test/cases/small/add.c": line 1)
 // 0 remove statement at ("test/cases/small/add.c": line 2)
-// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 reduce to left at ("test/cases/small/add.c": line 2)
 // 1 reduce to right at ("test/cases/small/add.c": line 2)
+// 0 replace by zero at ("test/cases/small/add.c": line 2)
 // 0 remove statement at ("test/cases/small/add.c": line 6)
-// 0 replace by zero at ("test/cases/small/add.c": line 6)
-// 1 replace by zero at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
 // 0 replace by zero at ("test/cases/small/add.c": line 6)
 
 int add(int a, int b)

rtree-c/test/expected/add/reduction/r0001000101.c

+// 0 remove function add at ("test/cases/small/add.c": line 1)
+// 0 remove statement at ("test/cases/small/add.c": line 2)
+// 0 reduce to left at ("test/cases/small/add.c": line 2)
+// 1 reduce to right at ("test/cases/small/add.c": line 2)
+// 0 replace by zero at ("test/cases/small/add.c": line 2)
+// 0 remove statement at ("test/cases/small/add.c": line 6)
+// 0 do without function at ("test/cases/small/add.c": line 6)
+// 1 do without pram at ("test/cases/small/add.c": line 6)
+// 0 do without pram at ("test/cases/small/add.c": line 6)
+// 1 replace by zero at ("test/cases/small/add.c": line 6)
+
+int add(int a, int b)
+{
+    return b;
+}
+int main()
+{
+    return 0;
+}