According to example embodiments of the present invention, an object to be monitored is determined, the object being associated with a variable in a code snippet including a plurality of statements. The object is monitored in execution of the plurality of statements. If a plurality of updates of the object are detected in the execution of the plurality of statements, a snapshot associated with each of the updates of the object is created. The snapshot includes a current value of the object and a memory address for the current value of the object.