\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[french]{babel}
\usepackage{amsmath, amsthm, amsfonts, amssymb}
\usepackage{hyperref}
\usepackage{vmargin}
\usepackage{url}
\usepackage{listings}
\usepackage{stmaryrd}

\lstdefinestyle{clang}{
  language=[ANSI]C,
  basicstyle=\ttfamily,
  keywordstyle=\color{blue},
  stringstyle=\color{brown},
  commentstyle=\bfseries\color{red},
  identifierstyle=\color{green!40!black}
}


\lstset{language=C,style=clang,numbers=left}

\usepackage{color}
\usepackage[tikz]{bclogo}

%% Macros d'environnements utiles
\newtheorem{exemple}{Exemple}[section]
\newtheorem{definition}[exemple]{D\'efinition}
\newtheorem{theoreme}[exemple]{Th\'eor\`eme}
\newtheorem{lemme}[exemple]{Lemme}
\newtheorem{corollaire}[exemple]{Corollaire}
\newtheorem{propriete}[exemple]{Propri\'et\'e}
\newtheorem{probleme}[exemple]{Probl\`eme}
\newtheorem{remarque}[exemple]{Remarque}
\newtheorem{conjecture}[exemple]{Conjecture}
\newtheorem{exercice}[exemple]{Exercice}
\newtheorem{proposition}[exemple]{Proposition}
\newtheorem{notation}[exemple]{Notation}

\newcounter{numExercice}
  
\newcommand{\Z}{\mathbb{Z}}

\newcommand{\Var}{\mathrm{Var}}
\newcommand{\Arith}{\mathrm{Arith}}
\newcommand{\Test}{\mathrm{Test}}
\newcommand{\MemSet}{\mathbb{M}}
\newcommand{\memory}{\mathcal{M}}
\newcommand{\eval}[2]{\llbracket#1\rrbracket_{#2}}
\newcommand{\Comp}{\mathrm{Comp}}
\newcommand{\Guard}{\mathrm{Guard}}

\newcommand{\Csimple}{\mathrm{C}_1}
\newcommand{\Cboucles}{\mathrm{C}_2}

\newcommand{\ArithP}{\mathrm{Arith_P}}

\newcommand{\WP}{\mathrm{WP}}
\newcommand{\WLP}{\mathrm{WLP}}

\newcommand{\code}[1]{\text{\lstinline{#1}}}

\newcommand{\result}{\backslash\text{\lstinline{result}}}
\newcommand{\old}{\mathrm{old}}
\newcommand{\atp}{\mathrm{at}}

\newcommand{\triplet}[3]{\{#2\}#1\{#3\}}