\begin{Verbatim}[commandchars=\\\{\},numbers=left,firstnumber=1,stepnumber=1,codes={\catcode`\$=3\catcode`\^=7\catcode`\_=8\relax},xleftmargin=5mm]
\PY{k+kt}{array}\PY{p}{[}\PY{l+m}{1}\PY{o}{..}\PY{n+nv}{n}\PY{p}{]}\PY{l+s}{ }\PY{k+kt}{of}\PY{l+s}{ }\PY{k+kt}{var}\PY{l+s}{ }\PY{l+m}{1}\PY{o}{..}\PY{n+nv}{n}\PY{p}{:}\PY{l+s}{ }\PY{n+nv}{x}\PY{p}{;}\PY{l+s}{ }\PY{l+s}{ }\PY{c}{\PYZpc{} decision variables}
\PY{k+kt}{var}\PY{l+s}{ }\PY{k+kt}{int}\PY{p}{:}\PY{l+s}{ }\PY{n+nv}{cost}\PY{p}{;}\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{c}{\PYZpc{} objective function}

\PY{c}{\PYZpc{} --- some constraints defining the problem ---}

\PY{c}{\PYZpc{} The user-defined LNS strategy}
\PY{k}{predicate}\PY{l+s}{ }\PY{n+nf}{my\PYZus{}lns}\PY{p}{(}\PY{p}{)}\PY{l+s}{ }\PY{o}{=}\PY{l+s}{ }\PY{n+nf}{basic\PYZus{}lns}\PY{p}{(}\PY{n+nf}{uniform\PYZus{}neighbourhood}\PY{p}{(}\PY{n+nv}{x}\PY{p}{,}\PY{l+s}{ }\PY{l+m}{0.2}\PY{p}{)}\PY{p}{)}\PY{p}{;}

\PY{c}{\PYZpc{} Solve using my\_lns, restart every 500 nodes, overall timeout 120 seconds}
\PY{k}{solve}\PY{l+s}{ }\PY{p}{:}\PY{p}{:}\PY{n+nf}{on\PYZus{}restart}\PY{p}{(}\PY{l+s}{\PYZdq{}}\PY{l+s}{my\PYZus{}lns}\PY{l+s}{\PYZdq{}}\PY{p}{)}\PY{l+s}{ }\PY{p}{:}\PY{p}{:}\PY{n+nf}{restart\PYZus{}constant}\PY{p}{(}\PY{l+m}{500}\PY{p}{)}\PY{l+s}{ }\PY{p}{:}\PY{p}{:}\PY{n+nf}{timeout}\PY{p}{(}\PY{l+m}{120}\PY{p}{)}
\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{k}{minimize}\PY{l+s}{ }\PY{n+nv}{cost}\PY{p}{;}
\end{Verbatim}