\documentclass{article}
\usepackage{pgfplots}
\usepackage{filecontents}

%\newcommand{\resultPath}{../mdp/consensus/results_3_3_2/}
%\newcommand{\resultPath}{../mdp/scheduler/results05/}
%\newcommand{\resultPath}{../mdp/zeroconf-tb/results4_10/}
\newcommand{\resultPath}{../ma/stream/results1000/}

\begin{document}
	\centering
\begin{tikzpicture}[scale=1.75]
\begin{axis}[enlargelimits=false, axis background/.style={fill=red!50}]
\addplot[fill=white, very thin] table [col sep=comma] {\resultPath overapproximation.csv} -- cycle;
\addplot[fill=green, very thin] table [col sep=comma] {\resultPath underapproximation.csv} -- cycle;
%\addplot[mark=o, mark options={blue, scale=1.3, thick}, only marks] table [col sep=comma] {\resultPath paretopoints.csv};
\addplot[mark=false] table [col sep=comma] {\resultPath boundaries.csv};
\end{axis}
\end{tikzpicture}

\end{document}