1. {n. d.}. The APRON Library Documentation. http://apron.cri.ensmp.fr/library/0. 9.10/apron.pdf. {n. d.}. The APRON Library Documentation. http://apron.cri.ensmp.fr/library/0. 9.10/apron.pdf.
2. {n. d.}. The Coq Proof Assistant. https://coq.inria.fr. {n. d.}. The Coq Proof Assistant. https://coq.inria.fr.
3. {n. d.}. ELINA Artifact (POPL 2017). https://www.sri.inf.ethz.ch/optpoly.php. {n. d.}. ELINA Artifact (POPL 2017). https://www.sri.inf.ethz.ch/optpoly.php.
4. {n. d.}. ELINA Artifact (POPL 2018). https://www.sri.inf.ethz.ch/popl18-paper251. php. {n. d.}. ELINA Artifact (POPL 2018). https://www.sri.inf.ethz.ch/popl18-paper251. php.
5. {n. d.}. KLEE Tutorial. http://klee.github.io/tutorials/testing-regex/. {n. d.}. KLEE Tutorial. http://klee.github.io/tutorials/testing-regex/.