Skip to content

goto-instrument --unwind: identify loop unwinding assertions as such #7262

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 20, 2022
Merged

goto-instrument --unwind: identify loop unwinding assertions as such #7262

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions regression/goto-instrument/unwind-assert1/test.desc
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,8 +1,10 @@
CORE
main.c
--unwind 10 --unwinding-assertions
^\[main.unwind.1\] line 5 unwinding assertion loop 0: SUCCESS$
^EXIT=0$
^SIGNAL=0$
^VERIFICATION SUCCESSFUL$
--
^warning: ignoring
^\[main.\d+\] line 5 assertion: SUCCESS$
7 changes: 6 additions & 1 deletion src/goto-instrument/unwind.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -153,8 +153,13 @@ void goto_unwindt::unwind(
unwind_strategy == unwind_strategyt::ASSERT_ASSUME ||
unwind_strategy == unwind_strategyt::ASSERT_PARTIAL)
{
const std::string loop_number = std::to_string(t->loop_number);
source_locationt source_location_annotated = loop_head->source_location();
source_location_annotated.set_property_class("unwind");
source_location_annotated.set_comment(
"unwinding assertion loop " + loop_number);
goto_programt::targett assertion = rest_program.add(
goto_programt::make_assertion(exit_cond, loop_head->source_location()));
goto_programt::make_assertion(exit_cond, source_location_annotated));
unwind_log.insert(assertion, loop_head->location_number);
}

Expand Down