no erros is input file does not exist

[romani]

Steps:

$ git clone https://github.com/sevntu-checkstyle/methods-distance.git
....
$ cd methods-distance
$ mvn package
..........
$ java -jar methods-distance/target/methods-distance-1.0-SNAPSHOT-jar-with-dependencies.jar --generate-dsm --generate-dot methods-distance/src/main/java/com/github/sevntu/checkstyle/Main111111.java 
$ ll
total 68
drwxrwxr-x 7 rivanov rivanov 4096 Nov 17 11:02 ./
drwxrwxr-x 7 rivanov rivanov 4096 Sep 19 16:47 ../
-rw-rw-r-- 1 rivanov rivanov  983 Nov 17 10:53 appveyor.yml
drwxrwxr-x 2 rivanov rivanov 4096 Sep 19 16:47 config/
-rwxrwxr-x 1 rivanov rivanov 1031 Sep 19 16:47 fast-forward-merge.sh*
drwxrwxr-x 8 rivanov rivanov 4096 Nov 17 11:02 .git/
-rw-rw-r-- 1 rivanov rivanov  304 Sep 19 16:47 .gitignore
drwxrwxr-x 4 rivanov rivanov 4096 Nov 17 10:54 methods-distance/
drwxrwxr-x 4 rivanov rivanov 4096 Nov 17 10:54 methods-distance-web/
-rw-rw-r-- 1 rivanov rivanov 4831 Sep 19 16:47 pom.xml
-rw-rw-r-- 1 rivanov rivanov  131 Sep 19 16:47 Procfile
-rw-rw-r-- 1 rivanov rivanov 4791 Nov 17 11:02 README.md
-rw-rw-r-- 1 rivanov rivanov   79 Sep 19 16:47 system.properties
drwxrwxr-x 2 rivanov rivanov 4096 Nov 17 10:54 target/
-rw-rw-r-- 1 rivanov rivanov  923 Nov 17 10:53 .travis.yml

Expected: exception that file is not found and non-zero exit code .

[romani]

@alex-zuy , please take a look.