thesis: Add call sequence graph

thesis/src/02.intercept.tex

@@ -566,3 +566,14 @@ Other checks may also include guards to calls to ``forbidden'' functions, or tha
 Another important post-condition of most library functions is the return value, which in most cases indicates success or failure of an operation.
 However, intercepting of calls alone may not be able to verify if a program really checks the return value of a function and acts accordingly.
 Chapter~\ref{ch:manipulating-function-calls} shows how this problem may be solved.
+
+\subsection{Validating Memory Management}\label{subsec:testing-memory-management}
+
+Lorem Ipsum.
+(malloc, calloc, realloc, free, getaddrinfo, freeaddrinfo).
+
+
+\subsection{Validating Resource Management}\label{subsec:validating-resource-management}
+
+Lorem Ipsum.
+(open, close, socket, \dots).