22 files changed, 73 insertions, 89 deletions
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e66e5753..17ed0f26 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,11 +18,8 @@ permissions:
 jobs:
   # Avoid `push` and `pull_request` running the same job twice
   check_if_skip_duplicate_job:
-    # runs-on: [self-hosted, linux, nix]
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, linux, nix]
     steps:
-      - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
       - id: skip_check
         uses: fkirc/skip-duplicate-actions@v5
         with:
@@ -33,13 +30,11 @@ jobs:
       should_skip: ${{ steps.skip_check.outputs.should_skip }}
 
   nix:
-    # runs-on: [self-hosted, linux, nix]
-    runs-on: ubuntu-latest
+    #runs-on: ubuntu-latest
+    runs-on: [self-hosted, linux, nix]
     needs: check_if_skip_duplicate_job
     if: needs.check_if_skip_duplicate_job.outputs.should_skip != 'true'
     steps:
-      - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
       - uses: actions/checkout@v4
       - run: nix build -L .#checks.x86_64-linux.aeneas-check-tidiness
       - run: nix build -L .#checks.x86_64-linux.check-charon-pin
@@ -61,11 +56,8 @@ jobs:
       - run: nix develop --command bash -c "cd tests/lean && make"
 
   check-charon-pin:
-    # runs-on: [self-hosted, linux, nix]
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, linux, nix]
     steps:
-      - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0 # deep clone in order to get access to other commits
diff --git a/charon-pin b/charon-pin
index b327ce94..b2e7572a 100644
--- a/charon-pin
+++ b/charon-pin
@@ -1,2 +1,2 @@
 # This is the commit from https://github.com/AeneasVerif/charon that should be used with this version of aeneas.
-f818fc0c4f380b0140be077308f354cfd89c2d7f
+a350f1e4795d57fb7b23c4c2d24003cf5e16315f
diff --git a/compiler/Errors.ml b/compiler/Errors.ml
index 6e2de7e1..838e1e37 100644
--- a/compiler/Errors.ml
+++ b/compiler/Errors.ml
@@ -1,7 +1,6 @@
 let log = Logging.errors_log
 
-let span_to_string (span : Meta.span) =
-  let raw_span = span.span in
+let raw_span_to_string (raw_span : Meta.raw_span) =
   let file = match raw_span.file with Virtual s | Local s -> s in
   let loc_to_string (l : Meta.loc) : string =
     string_of_int l.line ^ ":" ^ string_of_int l.col
@@ -11,6 +10,8 @@ let span_to_string (span : Meta.span) =
   ^ "-"
   ^ loc_to_string raw_span.end_loc
 
+let span_to_string (span : Meta.span) = raw_span_to_string span.span
+
 let format_error_message (span : Meta.span option) (msg : string) =
   let span =
     match span with None -> "" | Some span -> "\n" ^ span_to_string span
diff --git a/compiler/ExtractTypes.ml b/compiler/ExtractTypes.ml
index 631db13e..edd9d58e 100644
--- a/compiler/ExtractTypes.ml
+++ b/compiler/ExtractTypes.ml
@@ -1162,16 +1162,7 @@ let extract_comment_with_raw_span (ctx : extraction_ctx) (fmt : F.formatter)
     (sl : string list) (name : Types.name option)
     ?(generics : (Types.generic_params * Types.generic_args) option = None)
     (raw_span : Meta.raw_span) : unit =
-  let file = match raw_span.file with Virtual s | Local s -> s in
-  let loc_to_string (l : Meta.loc) : string =
-    string_of_int l.line ^ ":" ^ string_of_int l.col
-  in
-  let raw_span =
-    "Source: '" ^ file ^ "', lines "
-    ^ loc_to_string raw_span.beg_loc
-    ^ "-"
-    ^ loc_to_string raw_span.end_loc
-  in
+  let raw_span = raw_span_to_string raw_span in
   let name =
     match (name, generics) with
     | None, _ -> []
diff --git a/flake.lock b/flake.lock
index 759e37a2..7242c015 100644
--- a/flake.lock
+++ b/flake.lock
@@ -9,11 +9,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1718628521,
-        "narHash": "sha256-RskPLip2zGm96bw6Qpu0teff3RMKGVDfGxIdj5vFz7w=",
+        "lastModified": 1718705446,
+        "narHash": "sha256-1IAwhNbHkgtZRgkq9Fq+E5yOuszhTPO2J/88gyyg7jQ=",
         "owner": "aeneasverif",
         "repo": "charon",
-        "rev": "f818fc0c4f380b0140be077308f354cfd89c2d7f",
+        "rev": "a350f1e4795d57fb7b23c4c2d24003cf5e16315f",
         "type": "github"
       },
       "original": {
diff --git a/tests/coq/arrays/Arrays.v b/tests/coq/arrays/Arrays.v
index 5ff17341..cd6a4b87 100644
--- a/tests/coq/arrays/Arrays.v
+++ b/tests/coq/arrays/Arrays.v
@@ -376,7 +376,7 @@ Definition non_copyable_array : result unit :=
 .
 
 (** [arrays::sum]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 245:0-253:1 *)
+    Source: 'tests/src/arrays.rs', lines 247:4-253:1 *)
 Fixpoint sum_loop
   (n : nat) (s : slice u32) (sum1 : u32) (i : usize) : result u32 :=
   match n with
@@ -400,7 +400,7 @@ Definition sum (n : nat) (s : slice u32) : result u32 :=
 .
 
 (** [arrays::sum2]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 255:0-264:1 *)
+    Source: 'tests/src/arrays.rs', lines 258:4-264:1 *)
 Fixpoint sum2_loop
   (n : nat) (s : slice u32) (s2 : slice u32) (sum1 : u32) (i : usize) :
   result u32
@@ -508,7 +508,7 @@ Definition ite : result unit :=
 .
 
 (** [arrays::zero_slice]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 306:0-313:1 *)
+    Source: 'tests/src/arrays.rs', lines 308:4-313:1 *)
 Fixpoint zero_slice_loop
   (n : nat) (a : slice u8) (i : usize) (len : usize) : result (slice u8) :=
   match n with
@@ -532,7 +532,7 @@ Definition zero_slice (n : nat) (a : slice u8) : result (slice u8) :=
 .
 
 (** [arrays::iter_mut_slice]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 315:0-321:1 *)
+    Source: 'tests/src/arrays.rs', lines 317:4-321:1 *)
 Fixpoint iter_mut_slice_loop
   (n : nat) (len : usize) (i : usize) : result unit :=
   match n with
@@ -551,7 +551,7 @@ Definition iter_mut_slice (n : nat) (a : slice u8) : result (slice u8) :=
 .
 
 (** [arrays::sum_mut_slice]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 323:0-331:1 *)
+    Source: 'tests/src/arrays.rs', lines 325:4-331:1 *)
 Fixpoint sum_mut_slice_loop
   (n : nat) (a : slice u32) (i : usize) (s : u32) : result u32 :=
   match n with
diff --git a/tests/coq/betree/Betree_Funs.v b/tests/coq/betree/Betree_Funs.v
index 1c6092ba..bb9fe90e 100644
--- a/tests/coq/betree/Betree_Funs.v
+++ b/tests/coq/betree/Betree_Funs.v
@@ -89,7 +89,7 @@ Definition betree_upsert_update
 .
 
 (** [betree::betree::{betree::betree::List<T>#1}::len]: loop 0:
-    Source: 'src/betree.rs', lines 276:4-284:5 *)
+    Source: 'src/betree.rs', lines 278:8-284:5 *)
 Fixpoint betree_List_len_loop
   (T : Type) (n : nat) (self : betree_List_t T) (len : u64) : result u64 :=
   match n with
@@ -111,7 +111,7 @@ Definition betree_List_len
 .
 
 (** [betree::betree::{betree::betree::List<T>#1}::reverse]: loop 0:
-    Source: 'src/betree.rs', lines 304:4-312:5 *)
+    Source: 'src/betree.rs', lines 305:8-312:5 *)
 Fixpoint betree_List_reverse_loop
   (T : Type) (n : nat) (self : betree_List_t T) (out : betree_List_t T) :
   result (betree_List_t T)
@@ -135,7 +135,7 @@ Definition betree_List_reverse
 .
 
 (** [betree::betree::{betree::betree::List<T>#1}::split_at]: loop 0:
-    Source: 'src/betree.rs', lines 287:4-302:5 *)
+    Source: 'src/betree.rs', lines 289:8-302:5 *)
 Fixpoint betree_List_split_at_loop
   (T : Type) (n : nat) (n1 : u64) (beg : betree_List_t T)
   (self : betree_List_t T) :
@@ -204,7 +204,7 @@ Definition betree_ListPairU64T_head_has_key
 .
 
 (** [betree::betree::{betree::betree::List<(u64, T)>#2}::partition_at_pivot]: loop 0:
-    Source: 'src/betree.rs', lines 355:4-370:5 *)
+    Source: 'src/betree.rs', lines 358:8-370:5 *)
 Fixpoint betree_ListPairU64T_partition_at_pivot_loop
   (T : Type) (n : nat) (pivot : u64) (beg : betree_List_t (u64 * T))
   (end1 : betree_List_t (u64 * T)) (self : betree_List_t (u64 * T)) :
diff --git a/tests/coq/hashmap/Hashmap_Funs.v b/tests/coq/hashmap/Hashmap_Funs.v
index d63c6f72..39bd5098 100644
--- a/tests/coq/hashmap/Hashmap_Funs.v
+++ b/tests/coq/hashmap/Hashmap_Funs.v
@@ -70,7 +70,7 @@ Definition hashMap_new (T : Type) (n : nat) : result (HashMap_t T) :=
 .
 
 (** [hashmap::{hashmap::HashMap<T>}::clear]: loop 0:
-    Source: 'tests/src/hashmap.rs', lines 91:4-99:5 *)
+    Source: 'tests/src/hashmap.rs', lines 94:8-99:5 *)
 Fixpoint hashMap_clear_loop
   (T : Type) (n : nat) (slots : alloc_vec_Vec (AList_t T)) (i : usize) :
   result (alloc_vec_Vec (AList_t T))
diff --git a/tests/coq/misc/Loops.v b/tests/coq/misc/Loops.v
index 87b05193..a29394e1 100644
--- a/tests/coq/misc/Loops.v
+++ b/tests/coq/misc/Loops.v
@@ -9,7 +9,7 @@ Local Open Scope Primitives_scope.
 Module Loops.
 
 (** [loops::sum]: loop 0:
-    Source: 'tests/src/loops.rs', lines 8:0-18:1 *)
+    Source: 'tests/src/loops.rs', lines 10:4-18:1 *)
 Fixpoint sum_loop (n : nat) (max : u32) (i : u32) (s : u32) : result u32 :=
   match n with
   | O => Fail_ OutOfFuel
@@ -27,7 +27,7 @@ Definition sum (n : nat) (max : u32) : result u32 :=
 .
 
 (** [loops::sum_with_mut_borrows]: loop 0:
-    Source: 'tests/src/loops.rs', lines 23:0-35:1 *)
+    Source: 'tests/src/loops.rs', lines 25:4-35:1 *)
 Fixpoint sum_with_mut_borrows_loop
   (n : nat) (max : u32) (i : u32) (s : u32) : result u32 :=
   match n with
@@ -49,7 +49,7 @@ Definition sum_with_mut_borrows (n : nat) (max : u32) : result u32 :=
 .
 
 (** [loops::sum_with_shared_borrows]: loop 0:
-    Source: 'tests/src/loops.rs', lines 38:0-52:1 *)
+    Source: 'tests/src/loops.rs', lines 40:4-52:1 *)
 Fixpoint sum_with_shared_borrows_loop
   (n : nat) (max : u32) (i : u32) (s : u32) : result u32 :=
   match n with
@@ -71,7 +71,7 @@ Definition sum_with_shared_borrows (n : nat) (max : u32) : result u32 :=
 .
 
 (** [loops::sum_array]: loop 0:
-    Source: 'tests/src/loops.rs', lines 54:0-62:1 *)
+    Source: 'tests/src/loops.rs', lines 56:4-62:1 *)
 Fixpoint sum_array_loop
   (N : usize) (n : nat) (a : array u32 N) (i : usize) (s : u32) : result u32 :=
   match n with
@@ -94,7 +94,7 @@ Definition sum_array (N : usize) (n : nat) (a : array u32 N) : result u32 :=
 .
 
 (** [loops::clear]: loop 0:
-    Source: 'tests/src/loops.rs', lines 66:0-72:1 *)
+    Source: 'tests/src/loops.rs', lines 67:4-72:1 *)
 Fixpoint clear_loop
   (n : nat) (v : alloc_vec_Vec u32) (i : usize) : result (alloc_vec_Vec u32) :=
   match n with
diff --git a/tests/fstar/arrays/Arrays.Clauses.Template.fst b/tests/fstar/arrays/Arrays.Clauses.Template.fst
index 914ef44e..b5818ab6 100644
--- a/tests/fstar/arrays/Arrays.Clauses.Template.fst
+++ b/tests/fstar/arrays/Arrays.Clauses.Template.fst
@@ -7,31 +7,31 @@ open Arrays.Types
 #set-options "--z3rlimit 50 --fuel 1 --ifuel 1"
 
 (** [arrays::sum]: decreases clause
-    Source: 'tests/src/arrays.rs', lines 245:0-253:1 *)
+    Source: 'tests/src/arrays.rs', lines 247:4-253:1 *)
 unfold
 let sum_loop_decreases (s : slice u32) (sum1 : u32) (i : usize) : nat =
   admit ()
 
 (** [arrays::sum2]: decreases clause
-    Source: 'tests/src/arrays.rs', lines 255:0-264:1 *)
+    Source: 'tests/src/arrays.rs', lines 258:4-264:1 *)
 unfold
 let sum2_loop_decreases (s : slice u32) (s2 : slice u32) (sum1 : u32)
   (i : usize) : nat =
   admit ()
 
 (** [arrays::zero_slice]: decreases clause
-    Source: 'tests/src/arrays.rs', lines 306:0-313:1 *)
+    Source: 'tests/src/arrays.rs', lines 308:4-313:1 *)
 unfold
 let zero_slice_loop_decreases (a : slice u8) (i : usize) (len : usize) : nat =
   admit ()
 
 (** [arrays::iter_mut_slice]: decreases clause
-    Source: 'tests/src/arrays.rs', lines 315:0-321:1 *)
+    Source: 'tests/src/arrays.rs', lines 317:4-321:1 *)
 unfold
 let iter_mut_slice_loop_decreases (len : usize) (i : usize) : nat = admit ()
 
 (** [arrays::sum_mut_slice]: decreases clause
-    Source: 'tests/src/arrays.rs', lines 323:0-331:1 *)
+    Source: 'tests/src/arrays.rs', lines 325:4-331:1 *)
 unfold
 let sum_mut_slice_loop_decreases (a : slice u32) (i : usize) (s : u32) : nat =
   admit ()
diff --git a/tests/fstar/arrays/Arrays.Funs.fst b/tests/fstar/arrays/Arrays.Funs.fst
index a4f2e19f..5aad99e0 100644
--- a/tests/fstar/arrays/Arrays.Funs.fst
+++ b/tests/fstar/arrays/Arrays.Funs.fst
@@ -307,7 +307,7 @@ let non_copyable_array : result unit =
   take_array_t (mk_array aB_t 2 [ AB_A; AB_B ])
 
 (** [arrays::sum]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 245:0-253:1 *)
+    Source: 'tests/src/arrays.rs', lines 247:4-253:1 *)
 let rec sum_loop
   (s : slice u32) (sum1 : u32) (i : usize) :
   Tot (result u32) (decreases (sum_loop_decreases s sum1 i))
@@ -327,7 +327,7 @@ let sum (s : slice u32) : result u32 =
   sum_loop s 0 0
 
 (** [arrays::sum2]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 255:0-264:1 *)
+    Source: 'tests/src/arrays.rs', lines 258:4-264:1 *)
 let rec sum2_loop
   (s : slice u32) (s2 : slice u32) (sum1 : u32) (i : usize) :
   Tot (result u32) (decreases (sum2_loop_decreases s s2 sum1 i))
@@ -415,7 +415,7 @@ let ite : result unit =
   Ok ()
 
 (** [arrays::zero_slice]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 306:0-313:1 *)
+    Source: 'tests/src/arrays.rs', lines 308:4-313:1 *)
 let rec zero_slice_loop
   (a : slice u8) (i : usize) (len : usize) :
   Tot (result (slice u8)) (decreases (zero_slice_loop_decreases a i len))
@@ -434,7 +434,7 @@ let zero_slice (a : slice u8) : result (slice u8) =
   let len = slice_len u8 a in zero_slice_loop a 0 len
 
 (** [arrays::iter_mut_slice]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 315:0-321:1 *)
+    Source: 'tests/src/arrays.rs', lines 317:4-321:1 *)
 let rec iter_mut_slice_loop
   (len : usize) (i : usize) :
   Tot (result unit) (decreases (iter_mut_slice_loop_decreases len i))
@@ -449,7 +449,7 @@ let iter_mut_slice (a : slice u8) : result (slice u8) =
   let len = slice_len u8 a in let* _ = iter_mut_slice_loop len 0 in Ok a
 
 (** [arrays::sum_mut_slice]: loop 0:
-    Source: 'tests/src/arrays.rs', lines 323:0-331:1 *)
+    Source: 'tests/src/arrays.rs', lines 325:4-331:1 *)
 let rec sum_mut_slice_loop
   (a : slice u32) (i : usize) (s : u32) :
   Tot (result u32) (decreases (sum_mut_slice_loop_decreases a i s))
diff --git a/tests/fstar/betree/Betree.Clauses.Template.fst b/tests/fstar/betree/Betree.Clauses.Template.fst
index d3e07c7e..dbbfae2b 100644
--- a/tests/fstar/betree/Betree.Clauses.Template.fst
+++ b/tests/fstar/betree/Betree.Clauses.Template.fst
@@ -7,28 +7,28 @@ open Betree.Types
 #set-options "--z3rlimit 50 --fuel 1 --ifuel 1"
 
 (** [betree::betree::{betree::betree::List<T>#1}::len]: decreases clause
-    Source: 'src/betree.rs', lines 276:4-284:5 *)
+    Source: 'src/betree.rs', lines 278:8-284:5 *)
 unfold
 let betree_List_len_loop_decreases (t : Type0) (self : betree_List_t t)
   (len : u64) : nat =
   admit ()
 
 (** [betree::betree::{betree::betree::List<T>#1}::reverse]: decreases clause
-    Source: 'src/betree.rs', lines 304:4-312:5 *)
+    Source: 'src/betree.rs', lines 305:8-312:5 *)
 unfold
 let betree_List_reverse_loop_decreases (t : Type0) (self : betree_List_t t)
   (out : betree_List_t t) : nat =
   admit ()
 
 (** [betree::betree::{betree::betree::List<T>#1}::split_at]: decreases clause
-    Source: 'src/betree.rs', lines 287:4-302:5 *)
+    Source: 'src/betree.rs', lines 289:8-302:5 *)
 unfold
 let betree_List_split_at_loop_decreases (t : Type0) (n : u64)
   (beg : betree_List_t t) (self : betree_List_t t) : nat =
   admit ()
 
 (** [betree::betree::{betree::betree::List<(u64, T)>#2}::partition_at_pivot]: decreases clause
-    Source: 'src/betree.rs', lines 355:4-370:5 *)
+    Source: 'src/betree.rs', lines 358:8-370:5 *)
 unfold
 let betree_ListPairU64T_partition_at_pivot_loop_decreases (t : Type0)
   (pivot : u64) (beg : betree_List_t (u64 & t))
diff --git a/tests/fstar/betree/Betree.Funs.fst b/tests/fstar/betree/Betree.Funs.fst
index de3ac13c..53356bdb 100644
--- a/tests/fstar/betree/Betree.Funs.fst
+++ b/tests/fstar/betree/Betree.Funs.fst
@@ -76,7 +76,7 @@ let betree_upsert_update
   end
 
 (** [betree::betree::{betree::betree::List<T>#1}::len]: loop 0:
-    Source: 'src/betree.rs', lines 276:4-284:5 *)
+    Source: 'src/betree.rs', lines 278:8-284:5 *)
 let rec betree_List_len_loop
   (t : Type0) (self : betree_List_t t) (len : u64) :
   Tot (result u64) (decreases (betree_List_len_loop_decreases t self len))
@@ -93,7 +93,7 @@ let betree_List_len (t : Type0) (self : betree_List_t t) : result u64 =
   betree_List_len_loop t self 0
 
 (** [betree::betree::{betree::betree::List<T>#1}::reverse]: loop 0:
-    Source: 'src/betree.rs', lines 304:4-312:5 *)
+    Source: 'src/betree.rs', lines 305:8-312:5 *)
 let rec betree_List_reverse_loop
   (t : Type0) (self : betree_List_t t) (out : betree_List_t t) :
   Tot (result (betree_List_t t))
@@ -112,7 +112,7 @@ let betree_List_reverse
   betree_List_reverse_loop t self Betree_List_Nil
 
 (** [betree::betree::{betree::betree::List<T>#1}::split_at]: loop 0:
-    Source: 'src/betree.rs', lines 287:4-302:5 *)
+    Source: 'src/betree.rs', lines 289:8-302:5 *)
 let rec betree_List_split_at_loop
   (t : Type0) (n : u64) (beg : betree_List_t t) (self : betree_List_t t) :
   Tot (result ((betree_List_t t) & (betree_List_t t)))
@@ -171,7 +171,7 @@ let betree_ListPairU64T_head_has_key
   end
 
 (** [betree::betree::{betree::betree::List<(u64, T)>#2}::partition_at_pivot]: loop 0:
-    Source: 'src/betree.rs', lines 355:4-370:5 *)
+    Source: 'src/betree.rs', lines 358:8-370:5 *)
 let rec betree_ListPairU64T_partition_at_pivot_loop
   (t : Type0) (pivot : u64) (beg : betree_List_t (u64 & t))
   (end1 : betree_List_t (u64 & t)) (self : betree_List_t (u64 & t)) :
diff --git a/tests/fstar/hashmap/Hashmap.Clauses.Template.fst b/tests/fstar/hashmap/Hashmap.Clauses.Template.fst
index 888cd4ec..d6ba503e 100644
--- a/tests/fstar/hashmap/Hashmap.Clauses.Template.fst
+++ b/tests/fstar/hashmap/Hashmap.Clauses.Template.fst
@@ -14,7 +14,7 @@ let hashMap_allocate_slots_loop_decreases (t : Type0)
   admit ()
 
 (** [hashmap::{hashmap::HashMap<T>}::clear]: decreases clause
-    Source: 'tests/src/hashmap.rs', lines 91:4-99:5 *)
+    Source: 'tests/src/hashmap.rs', lines 94:8-99:5 *)
 unfold
 let hashMap_clear_loop_decreases (t : Type0)
   (slots : alloc_vec_Vec (aList_t t)) (i : usize) : nat =
diff --git a/tests/fstar/hashmap/Hashmap.Funs.fst b/tests/fstar/hashmap/Hashmap.Funs.fst
index 0569c32a..40362176 100644
--- a/tests/fstar/hashmap/Hashmap.Funs.fst
+++ b/tests/fstar/hashmap/Hashmap.Funs.fst
@@ -60,7 +60,7 @@ let hashMap_new (t : Type0) : result (hashMap_t t) =
   hashMap_new_with_capacity t 32 4 5
 
 (** [hashmap::{hashmap::HashMap<T>}::clear]: loop 0:
-    Source: 'tests/src/hashmap.rs', lines 91:4-99:5 *)
+    Source: 'tests/src/hashmap.rs', lines 94:8-99:5 *)
 let rec hashMap_clear_loop
   (t : Type0) (slots : alloc_vec_Vec (aList_t t)) (i : usize) :
   Tot (result (alloc_vec_Vec (aList_t t)))
diff --git a/tests/fstar/misc/Loops.Clauses.Template.fst b/tests/fstar/misc/Loops.Clauses.Template.fst
index 5d450275..7c77ad50 100644
--- a/tests/fstar/misc/Loops.Clauses.Template.fst
+++ b/tests/fstar/misc/Loops.Clauses.Template.fst
@@ -7,31 +7,31 @@ open Loops.Types
 #set-options "--z3rlimit 50 --fuel 1 --ifuel 1"
 
 (** [loops::sum]: decreases clause
-    Source: 'tests/src/loops.rs', lines 8:0-18:1 *)
+    Source: 'tests/src/loops.rs', lines 10:4-18:1 *)
 unfold let sum_loop_decreases (max : u32) (i : u32) (s : u32) : nat = admit ()
 
 (** [loops::sum_with_mut_borrows]: decreases clause
-    Source: 'tests/src/loops.rs', lines 23:0-35:1 *)
+    Source: 'tests/src/loops.rs', lines 25:4-35:1 *)
 unfold
 let sum_with_mut_borrows_loop_decreases (max : u32) (i : u32) (s : u32) : nat =
   admit ()
 
 (** [loops::sum_with_shared_borrows]: decreases clause
-    Source: 'tests/src/loops.rs', lines 38:0-52:1 *)
+    Source: 'tests/src/loops.rs', lines 40:4-52:1 *)
 unfold
 let sum_with_shared_borrows_loop_decreases (max : u32) (i : u32) (s : u32) :
   nat =
   admit ()
 
 (** [loops::sum_array]: decreases clause
-    Source: 'tests/src/loops.rs', lines 54:0-62:1 *)
+    Source: 'tests/src/loops.rs', lines 56:4-62:1 *)
 unfold
 let sum_array_loop_decreases (n : usize) (a : array u32 n) (i : usize)
   (s : u32) : nat =
   admit ()
 
 (** [loops::clear]: decreases clause
-    Source: 'tests/src/loops.rs', lines 66:0-72:1 *)
+    Source: 'tests/src/loops.rs', lines 67:4-72:1 *)
 unfold
 let clear_loop_decreases (v : alloc_vec_Vec u32) (i : usize) : nat = admit ()
 
diff --git a/tests/fstar/misc/Loops.Funs.fst b/tests/fstar/misc/Loops.Funs.fst
index 05e77046..b9d4468a 100644
--- a/tests/fstar/misc/Loops.Funs.fst
+++ b/tests/fstar/misc/Loops.Funs.fst
@@ -8,7 +8,7 @@ include Loops.Clauses
 #set-options "--z3rlimit 50 --fuel 1 --ifuel 1"
 
 (** [loops::sum]: loop 0:
-    Source: 'tests/src/loops.rs', lines 8:0-18:1 *)
+    Source: 'tests/src/loops.rs', lines 10:4-18:1 *)
 let rec sum_loop
   (max : u32) (i : u32) (s : u32) :
   Tot (result u32) (decreases (sum_loop_decreases max i s))
@@ -23,7 +23,7 @@ let sum (max : u32) : result u32 =
   sum_loop max 0 0
 
 (** [loops::sum_with_mut_borrows]: loop 0:
-    Source: 'tests/src/loops.rs', lines 23:0-35:1 *)
+    Source: 'tests/src/loops.rs', lines 25:4-35:1 *)
 let rec sum_with_mut_borrows_loop
   (max : u32) (i : u32) (s : u32) :
   Tot (result u32) (decreases (sum_with_mut_borrows_loop_decreases max i s))
@@ -41,7 +41,7 @@ let sum_with_mut_borrows (max : u32) : result u32 =
   sum_with_mut_borrows_loop max 0 0
 
 (** [loops::sum_with_shared_borrows]: loop 0:
-    Source: 'tests/src/loops.rs', lines 38:0-52:1 *)
+    Source: 'tests/src/loops.rs', lines 40:4-52:1 *)
 let rec sum_with_shared_borrows_loop
   (max : u32) (i : u32) (s : u32) :
   Tot (result u32) (decreases (sum_with_shared_borrows_loop_decreases max i s))
@@ -59,7 +59,7 @@ let sum_with_shared_borrows (max : u32) : result u32 =
   sum_with_shared_borrows_loop max 0 0
 
 (** [loops::sum_array]: loop 0:
-    Source: 'tests/src/loops.rs', lines 54:0-62:1 *)
+    Source: 'tests/src/loops.rs', lines 56:4-62:1 *)
 let rec sum_array_loop
   (n : usize) (a : array u32 n) (i : usize) (s : u32) :
   Tot (result u32) (decreases (sum_array_loop_decreases n a i s))
@@ -78,7 +78,7 @@ let sum_array (n : usize) (a : array u32 n) : result u32 =
   sum_array_loop n a 0 0
 
 (** [loops::clear]: loop 0:
-    Source: 'tests/src/loops.rs', lines 66:0-72:1 *)
+    Source: 'tests/src/loops.rs', lines 67:4-72:1 *)
 let rec clear_loop
   (v : alloc_vec_Vec u32) (i : usize) :
   Tot (result (alloc_vec_Vec u32)) (decreases (clear_loop_decreases v i))
diff --git a/tests/lean/Arrays.lean b/tests/lean/Arrays.lean
index bb97d5c4..bdaa7380 100644
--- a/tests/lean/Arrays.lean
+++ b/tests/lean/Arrays.lean
@@ -349,7 +349,7 @@ def non_copyable_array : Result Unit :=
   take_array_t (Array.make AB 2#usize [ AB.A, AB.B ])
 
 /- [arrays::sum]: loop 0:
-   Source: 'tests/src/arrays.rs', lines 245:0-253:1 -/
+   Source: 'tests/src/arrays.rs', lines 247:4-253:1 -/
 divergent def sum_loop (s : Slice U32) (sum1 : U32) (i : Usize) : Result U32 :=
   let i1 := Slice.len U32 s
   if i < i1
@@ -367,7 +367,7 @@ def sum (s : Slice U32) : Result U32 :=
   sum_loop s 0#u32 0#usize
 
 /- [arrays::sum2]: loop 0:
-   Source: 'tests/src/arrays.rs', lines 255:0-264:1 -/
+   Source: 'tests/src/arrays.rs', lines 258:4-264:1 -/
 divergent def sum2_loop
   (s : Slice U32) (s2 : Slice U32) (sum1 : U32) (i : Usize) : Result U32 :=
   let i1 := Slice.len U32 s
@@ -464,7 +464,7 @@ def ite : Result Unit :=
   Result.ok ()
 
 /- [arrays::zero_slice]: loop 0:
-   Source: 'tests/src/arrays.rs', lines 306:0-313:1 -/
+   Source: 'tests/src/arrays.rs', lines 308:4-313:1 -/
 divergent def zero_slice_loop
   (a : Slice U8) (i : Usize) (len : Usize) : Result (Slice U8) :=
   if i < len
@@ -483,7 +483,7 @@ def zero_slice (a : Slice U8) : Result (Slice U8) :=
   zero_slice_loop a 0#usize len
 
 /- [arrays::iter_mut_slice]: loop 0:
-   Source: 'tests/src/arrays.rs', lines 315:0-321:1 -/
+   Source: 'tests/src/arrays.rs', lines 317:4-321:1 -/
 divergent def iter_mut_slice_loop (len : Usize) (i : Usize) : Result Unit :=
   if i < len
   then do
@@ -500,7 +500,7 @@ def iter_mut_slice (a : Slice U8) : Result (Slice U8) :=
   Result.ok a
 
 /- [arrays::sum_mut_slice]: loop 0:
-   Source: 'tests/src/arrays.rs', lines 323:0-331:1 -/
+   Source: 'tests/src/arrays.rs', lines 325:4-331:1 -/
 divergent def sum_mut_slice_loop
   (a : Slice U32) (i : Usize) (s : U32) : Result U32 :=
   let i1 := Slice.len U32 a
diff --git a/tests/lean/Betree/Funs.lean b/tests/lean/Betree/Funs.lean
index 4592e91c..dd8dfb05 100644
--- a/tests/lean/Betree/Funs.lean
+++ b/tests/lean/Betree/Funs.lean
@@ -83,7 +83,7 @@ def betree.upsert_update
       else Result.ok 0#u64
 
 /- [betree::betree::{betree::betree::List<T>#1}::len]: loop 0:
-   Source: 'src/betree.rs', lines 276:4-284:5 -/
+   Source: 'src/betree.rs', lines 278:8-284:5 -/
 divergent def betree.List.len_loop
   (T : Type) (self : betree.List T) (len : U64) : Result U64 :=
   match self with
@@ -99,7 +99,7 @@ def betree.List.len (T : Type) (self : betree.List T) : Result U64 :=
   betree.List.len_loop T self 0#u64
 
 /- [betree::betree::{betree::betree::List<T>#1}::reverse]: loop 0:
-   Source: 'src/betree.rs', lines 304:4-312:5 -/
+   Source: 'src/betree.rs', lines 305:8-312:5 -/
 divergent def betree.List.reverse_loop
   (T : Type) (self : betree.List T) (out : betree.List T) :
   Result (betree.List T)
@@ -116,7 +116,7 @@ def betree.List.reverse
   betree.List.reverse_loop T self betree.List.Nil
 
 /- [betree::betree::{betree::betree::List<T>#1}::split_at]: loop 0:
-   Source: 'src/betree.rs', lines 287:4-302:5 -/
+   Source: 'src/betree.rs', lines 289:8-302:5 -/
 divergent def betree.List.split_at_loop
   (T : Type) (n : U64) (beg : betree.List T) (self : betree.List T) :
   Result ((betree.List T) × (betree.List T))
@@ -174,7 +174,7 @@ def betree.ListPairU64T.head_has_key
   | betree.List.Nil => Result.ok false
 
 /- [betree::betree::{betree::betree::List<(u64, T)>#2}::partition_at_pivot]: loop 0:
-   Source: 'src/betree.rs', lines 355:4-370:5 -/
+   Source: 'src/betree.rs', lines 358:8-370:5 -/
 divergent def betree.ListPairU64T.partition_at_pivot_loop
   (T : Type) (pivot : U64) (beg : betree.List (U64 × T))
   (end1 : betree.List (U64 × T)) (self : betree.List (U64 × T)) :
diff --git a/tests/lean/Hashmap/Funs.lean b/tests/lean/Hashmap/Funs.lean
index 7972b715..76ec5041 100644
--- a/tests/lean/Hashmap/Funs.lean
+++ b/tests/lean/Hashmap/Funs.lean
@@ -63,7 +63,7 @@ def HashMap.new (T : Type) : Result (HashMap T) :=
   HashMap.new_with_capacity T 32#usize 4#usize 5#usize
 
 /- [hashmap::{hashmap::HashMap<T>}::clear]: loop 0:
-   Source: 'tests/src/hashmap.rs', lines 91:4-99:5 -/
+   Source: 'tests/src/hashmap.rs', lines 94:8-99:5 -/
 divergent def HashMap.clear_loop
   (T : Type) (slots : alloc.vec.Vec (AList T)) (i : Usize) :
   Result (alloc.vec.Vec (AList T))
diff --git a/tests/lean/Loops.lean b/tests/lean/Loops.lean
index e676336e..6435cabb 100644
--- a/tests/lean/Loops.lean
+++ b/tests/lean/Loops.lean
@@ -9,7 +9,7 @@ set_option linter.unusedVariables false
 namespace loops
 
 /- [loops::sum]: loop 0:
-   Source: 'tests/src/loops.rs', lines 8:0-18:1 -/
+   Source: 'tests/src/loops.rs', lines 10:4-18:1 -/
 divergent def sum_loop (max : U32) (i : U32) (s : U32) : Result U32 :=
   if i < max
   then do
@@ -24,7 +24,7 @@ def sum (max : U32) : Result U32 :=
   sum_loop max 0#u32 0#u32
 
 /- [loops::sum_with_mut_borrows]: loop 0:
-   Source: 'tests/src/loops.rs', lines 23:0-35:1 -/
+   Source: 'tests/src/loops.rs', lines 25:4-35:1 -/
 divergent def sum_with_mut_borrows_loop
   (max : U32) (i : U32) (s : U32) : Result U32 :=
   if i < max
@@ -41,7 +41,7 @@ def sum_with_mut_borrows (max : U32) : Result U32 :=
   sum_with_mut_borrows_loop max 0#u32 0#u32
 
 /- [loops::sum_with_shared_borrows]: loop 0:
-   Source: 'tests/src/loops.rs', lines 38:0-52:1 -/
+   Source: 'tests/src/loops.rs', lines 40:4-52:1 -/
 divergent def sum_with_shared_borrows_loop
   (max : U32) (i : U32) (s : U32) : Result U32 :=
   if i < max
@@ -58,7 +58,7 @@ def sum_with_shared_borrows (max : U32) : Result U32 :=
   sum_with_shared_borrows_loop max 0#u32 0#u32
 
 /- [loops::sum_array]: loop 0:
-   Source: 'tests/src/loops.rs', lines 54:0-62:1 -/
+   Source: 'tests/src/loops.rs', lines 56:4-62:1 -/
 divergent def sum_array_loop
   (N : Usize) (a : Array U32 N) (i : Usize) (s : U32) : Result U32 :=
   if i < N
@@ -76,7 +76,7 @@ def sum_array (N : Usize) (a : Array U32 N) : Result U32 :=
   sum_array_loop N a 0#usize 0#u32
 
 /- [loops::clear]: loop 0:
-   Source: 'tests/src/loops.rs', lines 66:0-72:1 -/
+   Source: 'tests/src/loops.rs', lines 67:4-72:1 -/
 divergent def clear_loop
   (v : alloc.vec.Vec U32) (i : Usize) : Result (alloc.vec.Vec U32) :=
   let i1 := alloc.vec.Vec.len U32 v
diff --git a/tests/src/mutually-recursive-traits.lean.out b/tests/src/mutually-recursive-traits.lean.out
index 9b3b0737..d4ca5af3 100644
--- a/tests/src/mutually-recursive-traits.lean.out
+++ b/tests/src/mutually-recursive-traits.lean.out
@@ -9,7 +9,7 @@ Uncaught exception:
    \nIn file Translate.ml, line 813:\
    \nMutually recursive trait declarations are not supported")
 
-Raised at Aeneas__Errors.craise_opt_span in file "Errors.ml", line 46, characters 4-76
+Raised at Aeneas__Errors.craise_opt_span in file "Errors.ml", line 47, characters 4-76
 Called from Stdlib__List.iter in file "list.ml", line 110, characters 12-15
 Called from Aeneas__Translate.extract_definitions in file "Translate.ml", line 836, characters 2-52
 Called from Aeneas__Translate.extract_file in file "Translate.ml", line 963, characters 2-36