diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__append_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__append_element/why3session.xml
new file mode 100644
index 0000000000..7064af1251
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__append_element/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__append_element__insert/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__append_element__insert/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__append_element__insert/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__available_space/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__available_space/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__available_space/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__byte_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__byte_size/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__byte_size/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__context/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__context/why3session.xml
new file mode 100644
index 0000000000..6d2cb88624
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__context/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__contextPredicate/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__contextPredicate/why3session.xml
new file mode 100644
index 0000000000..181d7aacb3
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__contextPredicate/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__copy/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__copy/why3session.xml
new file mode 100644
index 0000000000..b0bccd59f6
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__copy/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__get_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__get_element/why3session.xml
new file mode 100644
index 0000000000..9ccc4fdc54
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__get_element/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__initialize/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__initialize/why3session.xml
new file mode 100644
index 0000000000..c3a0eb1c86
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__initialize/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__initialize__2/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__initialize__2/why3session.xml
new file mode 100644
index 0000000000..762b7be6dc
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__initialize__2/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__next/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__next/why3session.xml
new file mode 100644
index 0000000000..af4d71dbd5
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__next/why3session.xml
@@ -0,0 +1,105 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__read_next_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__read_next_element/why3session.xml
new file mode 100644
index 0000000000..c464f83ec3
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__read_next_element/why3session.xml
@@ -0,0 +1,190 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__read_next_element__extract/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__read_next_element__extract/why3session.xml
new file mode 100644
index 0000000000..357cb950a2
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__read_next_element__extract/why3session.xml
@@ -0,0 +1,72 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__size/why3session.xml
new file mode 100644
index 0000000000..d3a9362d51
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__size/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__take_buffer/why3session.xml
new file mode 100644
index 0000000000..5047951c95
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__take_buffer/why3session.xml
@@ -0,0 +1,153 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__valid_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__valid_element/why3session.xml
new file mode 100644
index 0000000000..cebe2e94ba
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__av_enumeration_vector__valid_element/why3session.xml
@@ -0,0 +1,90 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__append_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__append_element/why3session.xml
new file mode 100644
index 0000000000..260fc6a4b6
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__append_element/why3session.xml
@@ -0,0 +1,217 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__append_element__insert/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__append_element__insert/why3session.xml
new file mode 100644
index 0000000000..6861c44815
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__append_element__insert/why3session.xml
@@ -0,0 +1,55 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__available_space/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__available_space/why3session.xml
new file mode 100644
index 0000000000..67243d1eb6
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__available_space/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__byte_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__byte_size/why3session.xml
new file mode 100644
index 0000000000..aa5013df09
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__byte_size/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__context/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__context/why3session.xml
new file mode 100644
index 0000000000..f3b9d05a7f
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__context/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__contextPredicate/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__contextPredicate/why3session.xml
new file mode 100644
index 0000000000..10fc2d10aa
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__contextPredicate/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__copy/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__copy/why3session.xml
new file mode 100644
index 0000000000..582e92d0f2
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__copy/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__get_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__get_element/why3session.xml
new file mode 100644
index 0000000000..5c1f5b81d7
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__get_element/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__initialize/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__initialize/why3session.xml
new file mode 100644
index 0000000000..744a353e21
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__initialize/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__initialize__2/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__initialize__2/why3session.xml
new file mode 100644
index 0000000000..84000b96b6
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__initialize__2/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__next/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__next/why3session.xml
new file mode 100644
index 0000000000..8aee76ce62
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__next/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__read_next_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__read_next_element/why3session.xml
new file mode 100644
index 0000000000..aa3fa5ffb2
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__read_next_element/why3session.xml
@@ -0,0 +1,190 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__read_next_element__extract/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__read_next_element__extract/why3session.xml
new file mode 100644
index 0000000000..ca00c1e0f5
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__read_next_element__extract/why3session.xml
@@ -0,0 +1,72 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__size/why3session.xml
new file mode 100644
index 0000000000..453d665545
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__size/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__take_buffer/why3session.xml
new file mode 100644
index 0000000000..1698dc0bd2
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__take_buffer/why3session.xml
@@ -0,0 +1,153 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__valid_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__valid_element/why3session.xml
new file mode 100644
index 0000000000..f189963d34
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__enumeration_vector__valid_element/why3session.xml
@@ -0,0 +1,90 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_condition/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_condition/why3session.xml
index dd27654f54..091eb37b66 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_condition/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_condition/why3session.xml
@@ -22,7 +22,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_first/why3session.xml
index 1c71125174..ef35167373 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_first/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_first/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_size/why3session.xml
index 99e987061b..004e5f34b1 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_size/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__field_size/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__get_length/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__get_length/why3session.xml
index 442ece0c1a..2bb76c91fd 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__get_length/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__get_length/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize/why3session.xml
index 71e8811537..8be3181516 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize/why3session.xml
@@ -38,7 +38,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize__2/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize__2/why3session.xml
index 0ab9ee12a6..a2e52a045b 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize__2/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize__2/why3session.xml
@@ -56,7 +56,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize_payload/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize_payload/why3session.xml
index a43ed0daf7..42376f942a 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize_payload/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__initialize_payload/why3session.xml
@@ -66,26 +66,26 @@
-
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@@ -93,7 +93,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__path_condition/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__path_condition/why3session.xml
index a7352eb81e..10c0943b34 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__path_condition/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__path_condition/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__reset_dependent_fields/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__reset_dependent_fields/why3session.xml
index 8ba5b9f78f..02ce6937c6 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__reset_dependent_fields/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__reset_dependent_fields/why3session.xml
@@ -24,7 +24,7 @@
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@@ -32,8 +32,9 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_length/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_length/why3session.xml
index 3a12e0e18d..a8928af603 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_length/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_length/why3session.xml
@@ -62,19 +62,19 @@
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@@ -231,7 +231,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload/why3session.xml
new file mode 100644
index 0000000000..ec36b2b08e
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data__set_value__buffer_last/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload__buffer_first/why3session.xml
similarity index 76%
rename from tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data__set_value__buffer_last/why3session.xml
rename to tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload__buffer_first/why3session.xml
index e2422615eb..6119320f66 100644
--- a/tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data__set_value__buffer_last/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload__buffer_first/why3session.xml
@@ -4,8 +4,8 @@
-
-
+
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diff --git a/tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data_zero__set_value__buffer_last/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload__buffer_last/why3session.xml
similarity index 76%
rename from tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data_zero__set_value__buffer_last/why3session.xml
rename to tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload__buffer_last/why3session.xml
index f0de12fc6b..009d269836 100644
--- a/tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data_zero__set_value__buffer_last/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload__buffer_last/why3session.xml
@@ -4,8 +4,8 @@
-
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload_empty/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload_empty/why3session.xml
index 2987200d02..9754051780 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload_empty/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__set_payload_empty/why3session.xml
@@ -73,7 +73,7 @@
-
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@@ -89,16 +89,16 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__structural_valid_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__structural_valid_message/why3session.xml
index 4e8be3d57b..02a7cdac3c 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__structural_valid_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__structural_valid_message/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__successor/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__successor/why3session.xml
index de8ab66cfd..332b019731 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__successor/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__successor/why3session.xml
@@ -26,7 +26,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__take_buffer/why3session.xml
index a65d5fd0a3..44b5b12d0f 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__take_buffer/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__take_buffer/why3session.xml
@@ -18,7 +18,7 @@
-
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@@ -28,7 +28,7 @@
-
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@@ -36,7 +36,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__valid_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__valid_message/why3session.xml
index d142fa23b6..aa4c947c21 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__valid_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__valid_message/why3session.xml
@@ -18,7 +18,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__verify/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__verify/why3session.xml
index 213151b783..e4fde26ffd 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__verify/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__verify/why3session.xml
@@ -13,7 +13,7 @@
-
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@@ -29,7 +29,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__verify_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__verify_message/why3session.xml
index d44a33078f..0ab9219ba8 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__verify_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_message__verify_message/why3session.xml
@@ -21,7 +21,7 @@
-
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@@ -29,7 +29,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__switch/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__switch/why3session.xml
index e8809afd5a..d9c62123ca 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__switch/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__switch/why3session.xml
@@ -30,17 +30,17 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__take_buffer/why3session.xml
index d9c33c5148..637ef62743 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__take_buffer/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__take_buffer/why3session.xml
@@ -28,19 +28,19 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__update/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__update/why3session.xml
index e87ae764bd..b2a8a3e149 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__update/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__inner_messages__update/why3session.xml
@@ -30,7 +30,7 @@
-
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@@ -60,7 +60,8 @@
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@@ -73,9 +74,8 @@
-
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@@ -89,7 +89,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__reset_dependent_fields/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__reset_dependent_fields/why3session.xml
index 34ad5493fc..36c7c8185e 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__reset_dependent_fields/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__reset_dependent_fields/why3session.xml
@@ -24,7 +24,7 @@
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@@ -40,29 +40,29 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_length/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_length/why3session.xml
index 6c632eb04f..3c7886e1ec 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_length/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_length/why3session.xml
@@ -62,7 +62,7 @@
-
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@@ -78,7 +78,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_messages/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_messages/why3session.xml
index 51bcc04c30..050e111dda 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_messages/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_messages/why3session.xml
@@ -77,19 +77,18 @@
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@@ -97,7 +96,7 @@
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@@ -109,8 +108,9 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_messages_empty/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_messages_empty/why3session.xml
index dc2ac66176..beb9cc73a8 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_messages_empty/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__set_messages_empty/why3session.xml
@@ -77,26 +77,26 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__update_messages/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__update_messages/why3session.xml
index a8d30b27c1..27e0fa5921 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__update_messages/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__update_messages/why3session.xml
@@ -49,7 +49,8 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__verify/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__verify/why3session.xml
index c893ccb6ae..ce6ad75ee4 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__verify/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__verify/why3session.xml
@@ -25,11 +25,11 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__verify_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__verify_message/why3session.xml
index f9d82aa314..ab95efc7da 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__verify_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__messages_message__verify_message/why3session.xml
@@ -13,11 +13,11 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__append_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__append_element/why3session.xml
new file mode 100644
index 0000000000..604436c629
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__append_element/why3session.xml
@@ -0,0 +1,217 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__append_element__insert/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__append_element__insert/why3session.xml
new file mode 100644
index 0000000000..d04cfef3b4
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__append_element__insert/why3session.xml
@@ -0,0 +1,55 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__available_space/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__available_space/why3session.xml
new file mode 100644
index 0000000000..e9a8e7b2af
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__available_space/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__byte_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__byte_size/why3session.xml
new file mode 100644
index 0000000000..8b58027ba6
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__byte_size/why3session.xml
@@ -0,0 +1,41 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__context/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__context/why3session.xml
new file mode 100644
index 0000000000..f31c3ff1a9
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__context/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__contextPredicate/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__contextPredicate/why3session.xml
new file mode 100644
index 0000000000..749ad4f2b9
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__contextPredicate/why3session.xml
@@ -0,0 +1,55 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__copy/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__copy/why3session.xml
new file mode 100644
index 0000000000..8fa196ad52
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__copy/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__get_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__get_element/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__get_element/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__initialize/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__initialize/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__initialize/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__initialize__2/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__initialize__2/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__initialize__2/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__next/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__next/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__next/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__read_next_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__read_next_element/why3session.xml
new file mode 100644
index 0000000000..2ccee7122f
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__read_next_element/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__read_next_element__extract/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__read_next_element__extract/why3session.xml
new file mode 100644
index 0000000000..3d589a0711
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__read_next_element__extract/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__size/why3session.xml
new file mode 100644
index 0000000000..e201b4bd73
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__size/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__take_buffer/why3session.xml
new file mode 100644
index 0000000000..ea39943b8b
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__take_buffer/why3session.xml
@@ -0,0 +1,153 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__valid_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__valid_element/why3session.xml
new file mode 100644
index 0000000000..d7fcca3691
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__modular_vector__valid_element/why3session.xml
@@ -0,0 +1,90 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__append_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__append_element/why3session.xml
new file mode 100644
index 0000000000..f7ef57d03d
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__append_element/why3session.xml
@@ -0,0 +1,217 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__append_element__insert/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__append_element__insert/why3session.xml
new file mode 100644
index 0000000000..310d6ec338
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__append_element__insert/why3session.xml
@@ -0,0 +1,55 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__available_space/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__available_space/why3session.xml
new file mode 100644
index 0000000000..a324b14e05
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__available_space/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__byte_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__byte_size/why3session.xml
new file mode 100644
index 0000000000..0c474fa8de
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__byte_size/why3session.xml
@@ -0,0 +1,41 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__context/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__context/why3session.xml
new file mode 100644
index 0000000000..ca2261f8c3
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__context/why3session.xml
@@ -0,0 +1,46 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__contextPredicate/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__contextPredicate/why3session.xml
new file mode 100644
index 0000000000..084c37c15c
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__contextPredicate/why3session.xml
@@ -0,0 +1,55 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__copy/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__copy/why3session.xml
new file mode 100644
index 0000000000..837041c00c
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__copy/why3session.xml
@@ -0,0 +1,157 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__get_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__get_element/why3session.xml
new file mode 100644
index 0000000000..8330264987
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__get_element/why3session.xml
@@ -0,0 +1,38 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__initialize/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__initialize/why3session.xml
new file mode 100644
index 0000000000..f97be4b2f5
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__initialize/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__initialize__2/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__initialize__2/why3session.xml
new file mode 100644
index 0000000000..240f050cd0
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__initialize__2/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__next/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__next/why3session.xml
new file mode 100644
index 0000000000..a2e9991c05
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__next/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__read_next_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__read_next_element/why3session.xml
new file mode 100644
index 0000000000..c0e0fffe6d
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__read_next_element/why3session.xml
@@ -0,0 +1,190 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__read_next_element__extract/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__read_next_element__extract/why3session.xml
new file mode 100644
index 0000000000..675bc0f4b8
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__read_next_element__extract/why3session.xml
@@ -0,0 +1,72 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__size/why3session.xml
new file mode 100644
index 0000000000..477d221784
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__size/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__take_buffer/why3session.xml
new file mode 100644
index 0000000000..574161c4dc
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__take_buffer/why3session.xml
@@ -0,0 +1,153 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__valid_element/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__valid_element/why3session.xml
new file mode 100644
index 0000000000..f48c290b05
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__arrays__range_vector__valid_element/why3session.xml
@@ -0,0 +1,90 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__context/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__context/why3session.xml
index 64eb929f2a..9d34c0b07b 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__context/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__context/why3session.xml
@@ -10,7 +10,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_condition/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_condition/why3session.xml
index c6b947d28a..5ceeaa03de 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_condition/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_condition/why3session.xml
@@ -22,7 +22,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_first/why3session.xml
index 2701f14061..54a3c2d30d 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_first/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_first/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_size/why3session.xml
index 31c686a682..d551921e10 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_size/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__field_size/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__get_length/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__get_length/why3session.xml
index 5b8d18c19f..ed73d1fc3e 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__get_length/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__get_length/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__get_tag/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__get_tag/why3session.xml
index 4be7a3388a..610250df64 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__get_tag/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__get_tag/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__initialize/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__initialize/why3session.xml
index 67de54e591..f6d2d3bb26 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__initialize/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__initialize/why3session.xml
@@ -38,7 +38,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__initialize__2/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__initialize__2/why3session.xml
index 2b5aa7e875..222968a994 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__initialize__2/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__initialize__2/why3session.xml
@@ -56,7 +56,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__path_condition/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__path_condition/why3session.xml
index c311971dcf..0d1311fd07 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__path_condition/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__path_condition/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__reset_dependent_fields/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__reset_dependent_fields/why3session.xml
index 00b6569266..364ce3a936 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__reset_dependent_fields/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__reset_dependent_fields/why3session.xml
@@ -24,7 +24,7 @@
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@@ -32,8 +32,9 @@
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@@ -43,8 +44,9 @@
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@@ -55,8 +57,7 @@
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@@ -66,9 +67,8 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_length/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_length/why3session.xml
index 3151b872a3..42b6fe4be5 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_length/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_length/why3session.xml
@@ -62,15 +62,14 @@
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@@ -79,13 +78,14 @@
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@@ -93,11 +93,11 @@
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@@ -253,13 +253,13 @@
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@@ -277,7 +277,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_tag/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_tag/why3session.xml
index b417fc3526..0f05620305 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_tag/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_tag/why3session.xml
@@ -62,7 +62,7 @@
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@@ -78,7 +78,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value/why3session.xml
new file mode 100644
index 0000000000..09ca81ebc2
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value/why3session.xml
@@ -0,0 +1,327 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value__buffer_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value__buffer_first/why3session.xml
new file mode 100644
index 0000000000..a523b53560
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value__buffer_first/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value__buffer_last/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value__buffer_last/why3session.xml
new file mode 100644
index 0000000000..e87e8f3ac6
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value__buffer_last/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value_empty/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value_empty/why3session.xml
index 13b28964fe..8c23d06db3 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value_empty/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__set_value_empty/why3session.xml
@@ -65,7 +65,7 @@
-
+
@@ -77,27 +77,27 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__structural_valid_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__structural_valid_message/why3session.xml
index 7da3adf5bc..b62adeae88 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__structural_valid_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__structural_valid_message/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__successor/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__successor/why3session.xml
index 80dba88202..f8d9ea38c4 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__successor/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__successor/why3session.xml
@@ -26,7 +26,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__take_buffer/why3session.xml
index d0719ef4bb..67ba49bac6 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__take_buffer/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__take_buffer/why3session.xml
@@ -18,13 +18,13 @@
-
+
-
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@@ -36,7 +36,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__valid_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__valid_message/why3session.xml
index 18317e384e..ed531a374f 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__valid_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__valid_message/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__verify/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__verify/why3session.xml
index 8b4a755a69..67ce18d994 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__verify/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__derivation__message__verify/why3session.xml
@@ -13,7 +13,7 @@
-
+
@@ -21,7 +21,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_condition/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_condition/why3session.xml
index e650355988..830de5057e 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_condition/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_condition/why3session.xml
@@ -22,7 +22,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_first/why3session.xml
index 69e77c8749..07553189e0 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_first/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_first/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_size/why3session.xml
index c724d94f80..581866c4ee 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_size/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__field_size/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__get_destination/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__get_destination/why3session.xml
index 32916438c8..5920cfefdc 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__get_destination/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__get_destination/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__get_type_length_tpid/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__get_type_length_tpid/why3session.xml
index a88f6744cc..8ec151b498 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__get_type_length_tpid/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__get_type_length_tpid/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__initialize/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__initialize/why3session.xml
index 722de37c32..1d1ce77859 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__initialize/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__initialize/why3session.xml
@@ -38,7 +38,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__initialize_payload/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__initialize_payload/why3session.xml
index 5a53804278..40f7859039 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__initialize_payload/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__initialize_payload/why3session.xml
@@ -73,53 +73,53 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__path_condition/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__path_condition/why3session.xml
index aa278458a1..f01fbd123a 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__path_condition/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__path_condition/why3session.xml
@@ -18,7 +18,7 @@
-
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__reset_dependent_fields/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__reset_dependent_fields/why3session.xml
index 26bf974139..a714d5eecd 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__reset_dependent_fields/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__reset_dependent_fields/why3session.xml
@@ -28,7 +28,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_destination/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_destination/why3session.xml
index e1f9c37808..d4fc9784b9 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_destination/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_destination/why3session.xml
@@ -62,7 +62,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload/why3session.xml
new file mode 100644
index 0000000000..04ae5b15f3
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload/why3session.xml
@@ -0,0 +1,356 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload__buffer_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload__buffer_first/why3session.xml
new file mode 100644
index 0000000000..8fb94a19a4
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload__buffer_first/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload__buffer_last/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload__buffer_last/why3session.xml
new file mode 100644
index 0000000000..14aeb2acdb
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_payload__buffer_last/why3session.xml
@@ -0,0 +1,27 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_source/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_source/why3session.xml
index 12c4ef9a21..53f0423179 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_source/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_source/why3session.xml
@@ -66,8 +66,9 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_tci/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_tci/why3session.xml
index b748780a6e..d05c6fd021 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_tci/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_tci/why3session.xml
@@ -67,29 +67,28 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_tpid/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_tpid/why3session.xml
index c8b01a4d4c..da910a3d70 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_tpid/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_tpid/why3session.xml
@@ -62,15 +62,14 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_type_length/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_type_length/why3session.xml
index 1f7b5bc77e..c0870c1f19 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_type_length/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_type_length/why3session.xml
@@ -62,23 +62,22 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_type_length_tpid/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_type_length_tpid/why3session.xml
index aedf95ba8e..f4266c9185 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_type_length_tpid/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__set_type_length_tpid/why3session.xml
@@ -62,15 +62,14 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__structural_valid_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__structural_valid_message/why3session.xml
index 4f9dba99a5..882541df60 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__structural_valid_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__structural_valid_message/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__take_buffer/why3session.xml
index 55ca757a4d..e2a94b2381 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__take_buffer/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__take_buffer/why3session.xml
@@ -18,13 +18,13 @@
-
+
-
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@@ -36,7 +36,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__valid_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__valid_message/why3session.xml
index bc2ea37c86..92bdd8ea18 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__valid_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__valid_message/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__verify/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__verify/why3session.xml
index 93eb75fdcd..69018bbb7e 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__verify/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__verify/why3session.xml
@@ -21,7 +21,7 @@
-
+
@@ -29,7 +29,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__verify_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__verify_message/why3session.xml
index 17488573a6..254cf2e0c1 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__verify_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ethernet__frame__verify_message/why3session.xml
@@ -25,11 +25,11 @@
-
+
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__field_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__field_first/why3session.xml
index 9ec9425794..c4f2a50f3e 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__field_first/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__field_first/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__field_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__field_size/why3session.xml
index c95b35baad..858566070d 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__field_size/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__field_size/why3session.xml
@@ -18,7 +18,7 @@
-
+
diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize/why3session.xml
index 98d49f74b8..1fe175b1d4 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize/why3session.xml
@@ -38,7 +38,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize__2/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize__2/why3session.xml
index c6456a46ee..ad8c7e36eb 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize__2/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize__2/why3session.xml
@@ -56,7 +56,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize_payload/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize_payload/why3session.xml
index 839debcce1..926d293b6b 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize_payload/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__initialize_payload/why3session.xml
@@ -66,7 +66,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__reset_dependent_fields/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__reset_dependent_fields/why3session.xml
index c30e3ea5e5..5c717fedea 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__reset_dependent_fields/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__reset_dependent_fields/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data_zero__set_value/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload/why3session.xml
similarity index 53%
rename from tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data_zero__set_value/why3session.xml
rename to tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload/why3session.xml
index 564ccc0ca3..b593e6727f 100644
--- a/tests/spark/proof/sessions/ada___rflx__tlv_tests__test_generating_tlv_data_zero__set_value/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload__buffer_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload__buffer_first/why3session.xml
new file mode 100644
index 0000000000..78e27b960e
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload__buffer_first/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload__buffer_last/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload__buffer_last/why3session.xml
new file mode 100644
index 0000000000..9159670596
--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__set_payload__buffer_last/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__structural_valid_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__structural_valid_message/why3session.xml
index 2e479eb4c0..cf9f8dbb7b 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__structural_valid_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__structural_valid_message/why3session.xml
@@ -18,7 +18,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__take_buffer/why3session.xml
index d907f04df2..7c80e49db3 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__take_buffer/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__take_buffer/why3session.xml
@@ -36,11 +36,11 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__valid_message/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__valid_message/why3session.xml
index 6bc995221e..eea4f79398 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__valid_message/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__valid_message/why3session.xml
@@ -18,7 +18,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__verify/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__verify/why3session.xml
index 1bf5443b87..f265f8fb7e 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__expression__message__verify/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__expression__message__verify/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__context/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__context/why3session.xml
index cf7855e2cb..156573f803 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__context/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__context/why3session.xml
@@ -10,7 +10,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__initialize_data/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__initialize_data/why3session.xml
index ef43302508..08c608c54d 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__initialize_data/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__initialize_data/why3session.xml
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index d31a7e7e23..b7a2f75806 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__reset_dependent_fields/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__reset_dependent_fields/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_checksum/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_checksum/why3session.xml
index e2832fc625..27ecef4816 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_checksum/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_checksum/why3session.xml
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index 8ca8546337..2f329d771f 100644
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+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_code_destination_unreachable/why3session.xml
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index 74d3018320..a180990f84 100644
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+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_code_redirect/why3session.xml
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index 0cf6d96d93..c56030ed6c 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_code_time_exceeded/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_code_time_exceeded/why3session.xml
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index be27d98797..b2b0e72c1a 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_code_zero/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_code_zero/why3session.xml
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new file mode 100644
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data__buffer_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data__buffer_first/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data__buffer_first/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data__buffer_last/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data__buffer_last/why3session.xml
new file mode 100644
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--- /dev/null
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data__buffer_last/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data_empty/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data_empty/why3session.xml
index 4c6fc19ceb..2382aead39 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data_empty/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_data_empty/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_gateway_internet_address/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_gateway_internet_address/why3session.xml
index a495c2071b..98ded20eab 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_gateway_internet_address/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_gateway_internet_address/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_identifier/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_identifier/why3session.xml
index 475cbd7fc4..696cc30e01 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_identifier/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_identifier/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_originate_timestamp/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_originate_timestamp/why3session.xml
index a8140479cb..429306484a 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_originate_timestamp/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_originate_timestamp/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_pointer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_pointer/why3session.xml
index cb1ebafef7..9c438ebe5e 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_pointer/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_pointer/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_receive_timestamp/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_receive_timestamp/why3session.xml
index 97f3d0f78e..e8b663338a 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_receive_timestamp/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_receive_timestamp/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_sequence_number/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_sequence_number/why3session.xml
index 9edd519940..164454d317 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_sequence_number/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_sequence_number/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_tag/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_tag/why3session.xml
index 0d6d15d76d..eb26041161 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_tag/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_tag/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_transmit_timestamp/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_transmit_timestamp/why3session.xml
index 8a4629beaf..cf07d35cf4 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_transmit_timestamp/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_transmit_timestamp/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_unused_24/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_unused_24/why3session.xml
index 710a12b093..dac2c6e037 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_unused_24/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_unused_24/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_unused_32/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_unused_32/why3session.xml
index f1d8a9fb59..83933c6fc2 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__set_unused_32/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__take_buffer/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__take_buffer/why3session.xml
index 43b378dd3e..adf7a80715 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__take_buffer/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__take_buffer/why3session.xml
@@ -36,11 +36,11 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__verify/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__verify/why3session.xml
index e58f6092c1..47d3713659 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__verify/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__icmp__message__verify/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__in_ethernet__contains__switch_to_payload/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__in_ethernet__contains__switch_to_payload/why3session.xml
index 87cbda0444..cd284c8cb9 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__in_ethernet__contains__switch_to_payload/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__in_ethernet__contains__switch_to_payload/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_condition/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_condition/why3session.xml
index 9b58e6679b..6796d00893 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_condition/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_condition/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_first/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_first/why3session.xml
index 8faa99bbe8..5dccde0bf6 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_first/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_first/why3session.xml
@@ -18,7 +18,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_size/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_size/why3session.xml
index aefe923c8d..95285e02ae 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_size/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__field_size/why3session.xml
@@ -18,7 +18,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__get_option_class/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__get_option_class/why3session.xml
index b718da78e6..c0ce700ee5 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__get_option_class/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__get_option_class/why3session.xml
@@ -18,7 +18,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__get_option_number/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__get_option_number/why3session.xml
index d877dac00a..77639b8938 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__get_option_number/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__get_option_number/why3session.xml
@@ -18,7 +18,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__initialize_option_data/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__initialize_option_data/why3session.xml
index 36844a1a05..5ddec876c2 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__initialize_option_data/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__initialize_option_data/why3session.xml
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__path_condition/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__path_condition/why3session.xml
index e93220e31a..4f3251a127 100644
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@@ -18,7 +18,7 @@
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diff --git a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__reset_dependent_fields/why3session.xml b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__reset_dependent_fields/why3session.xml
index 767725e0da..edd786cf90 100644
--- a/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__reset_dependent_fields/why3session.xml
+++ b/tests/spark/proof/sessions/ada___ada___rflx__ipv4__option__reset_dependent_fields/why3session.xml
@@ -32,16 +32,16 @@
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