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(* Title: HOL/SMT_Examples/Boogie.thy
Author: Sascha Boehme, TU Muenchen
*)
section \<open>Proving Boogie-generated verification conditions\<close>
theory Boogie
imports Main
keywords "boogie_file" :: thy_load
begin
text \<open>
HOL-Boogie and its applications are described in:
\begin{itemize}
\item Sascha B"ohme, K. Rustan M. Leino, and Burkhart Wolff.
HOL-Boogie --- An Interactive Prover for the Boogie Program-Verifier.
Theorem Proving in Higher Order Logics, 2008.
\item Sascha B"ohme, Micha{\l} Moskal, Wolfram Schulte, and Burkhart Wolff.
HOL-Boogie --- An Interactive Prover-Backend for the Verifying C Compiler.
Journal of Automated Reasoning, 2009.
\end{itemize}
\<close>
section \<open>Built-in types and functions of Boogie\<close>
subsection \<open>Integer arithmetics\<close>
text \<open>
The operations \<open>div\<close> and \<open>mod\<close> are built-in in Boogie, but
without a particular semantics due to different interpretations in
programming languages. We assume that each application comes with a
proper axiomatization.
\<close>
axiomatization
boogie_div :: "int \ int \ int" (infixl "div'_b" 70) and
boogie_mod :: "int \ int \ int" (infixl "mod'_b" 70)
section \<open>Setup\<close>
ML_file \<open>boogie.ML\<close>
section \<open>Verification condition proofs\<close>
declare [[smt_oracle = false]]
declare [[smt_read_only_certificates = true]]
external_file \<open>Boogie_Max.certs\<close>
declare [[smt_certificates = "Boogie_Max.certs"]]
boogie_file \<open>Boogie_Max.b2i\<close>
external_file \<open>Boogie_Dijkstra.certs\<close>
declare [[smt_certificates = "Boogie_Dijkstra.certs"]]
boogie_file \<open>Boogie_Dijkstra.b2i\<close>
declare [[z3_extensions = true]]
external_file \<open>VCC_Max.certs\<close>
declare [[smt_certificates = "VCC_Max.certs"]]
boogie_file \<open>VCC_Max.b2i\<close>
end
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