MATLAB shuts down by itself

im runnig a program called ROAST for segmentation which takes around 10 hrs in my system to run, so i prefer to run it overnight while and leave. in the morning, i found matlab closed, the program had run for around 8 hours (last file was generated 8 hours later).

[Walter Roberson]

Look to see if any crash report was generated; https://www.mathworks.com/matlabcentral/answers/100816-how-do-i-locate-the-crash-dump-files-generated-by-matlab