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diff --git a/tests/hol4/paper/paperScript.sml b/tests/hol4/paper/paperScript.sml
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+(** THIS FILE WAS AUTOMATICALLY GENERATED BY AENEAS *)
+(** [paper] *)
+open primitivesLib divDefLib
+
+val _ = new_theory "paper"
+
+
+val ref_incr_fwd_back_def = Define ‘
+  (** [paper::ref_incr]: merged forward/backward function
+      (there is a single backward function, and the forward function returns ()) *)
+  ref_incr_fwd_back (x : i32) : i32 result =
+    i32_add x (int_to_i32 1)
+’
+
+val test_incr_fwd_def = Define ‘
+  (** [paper::test_incr]: forward function *)
+  test_incr_fwd : unit result =
+    do
+    x <- ref_incr_fwd_back (int_to_i32 0);
+    if ~ (x = int_to_i32 1) then Fail Failure else Return ()
+    od
+’
+
+(** Unit test for [paper::test_incr] *)
+val _ = assert_return (“test_incr_fwd”)
+
+val choose_fwd_def = Define ‘
+  (** [paper::choose]: forward function *)
+  choose_fwd (b : bool) (x : 't) (y : 't) : 't result =
+    if b then Return x else Return y
+’
+
+val choose_back_def = Define ‘
+  (** [paper::choose]: backward function 0 *)
+  choose_back (b : bool) (x : 't) (y : 't) (ret : 't) : ('t # 't) result =
+    if b then Return (ret, y) else Return (x, ret)
+’
+
+val test_choose_fwd_def = Define ‘
+  (** [paper::test_choose]: forward function *)
+  test_choose_fwd : unit result =
+    do
+    z <- choose_fwd T (int_to_i32 0) (int_to_i32 0);
+    z0 <- i32_add z (int_to_i32 1);
+    if ~ (z0 = int_to_i32 1)
+    then Fail Failure
+    else (
+      do
+      (x, y) <- choose_back T (int_to_i32 0) (int_to_i32 0) z0;
+      if ~ (x = int_to_i32 1)
+      then Fail Failure
+      else if ~ (y = int_to_i32 0) then Fail Failure else Return ()
+      od)
+    od
+’
+
+(** Unit test for [paper::test_choose] *)
+val _ = assert_return (“test_choose_fwd”)
+
+Datatype:
+  (** [paper::List] *)
+  list_t = | ListCons 't list_t | ListNil
+End
+
+val [list_nth_mut_fwd_def] = DefineDiv ‘
+  (** [paper::list_nth_mut]: forward function *)
+  list_nth_mut_fwd (l : 't list_t) (i : u32) : 't result =
+    (case l of
+    | ListCons x tl =>
+      if i = int_to_u32 0
+      then Return x
+      else (do
+            i0 <- u32_sub i (int_to_u32 1);
+            list_nth_mut_fwd tl i0
+            od)
+    | ListNil => Fail Failure)
+’
+
+val [list_nth_mut_back_def] = DefineDiv ‘
+  (** [paper::list_nth_mut]: backward function 0 *)
+  list_nth_mut_back (l : 't list_t) (i : u32) (ret : 't) : 't list_t result =
+    (case l of
+    | ListCons x tl =>
+      if i = int_to_u32 0
+      then Return (ListCons ret tl)
+      else (
+        do
+        i0 <- u32_sub i (int_to_u32 1);
+        tl0 <- list_nth_mut_back tl i0 ret;
+        Return (ListCons x tl0)
+        od)
+    | ListNil => Fail Failure)
+’
+
+val [sum_fwd_def] = DefineDiv ‘
+  (** [paper::sum]: forward function *)
+  sum_fwd (l : i32 list_t) : i32 result =
+    (case l of
+    | ListCons x tl => do
+                       i <- sum_fwd tl;
+                       i32_add x i
+                       od
+    | ListNil => Return (int_to_i32 0))
+’
+
+val test_nth_fwd_def = Define ‘
+  (** [paper::test_nth]: forward function *)
+  test_nth_fwd : unit result =
+    let l = ListNil in
+    let l0 = ListCons (int_to_i32 3) l in
+    let l1 = ListCons (int_to_i32 2) l0 in
+    do
+    x <- list_nth_mut_fwd (ListCons (int_to_i32 1) l1) (int_to_u32 2);
+    x0 <- i32_add x (int_to_i32 1);
+    l2 <- list_nth_mut_back (ListCons (int_to_i32 1) l1) (int_to_u32 2) x0;
+    i <- sum_fwd l2;
+    if ~ (i = int_to_i32 7) then Fail Failure else Return ()
+    od
+’
+
+(** Unit test for [paper::test_nth] *)
+val _ = assert_return (“test_nth_fwd”)
+
+val call_choose_fwd_def = Define ‘
+  (** [paper::call_choose]: forward function *)
+  call_choose_fwd (p : (u32 # u32)) : u32 result =
+    let (px, py) = p in
+    do
+    pz <- choose_fwd T px py;
+    pz0 <- u32_add pz (int_to_u32 1);
+    (px0, _) <- choose_back T px py pz0;
+    Return px0
+    od
+’
+
+val _ = export_theory ()