INPUT
===================
- data sources : input_folder/NunitTypeDec
- input files : 183
- minSupport : 3

OUTPUT
===================
- Step 1: Mining frequent patterns with max size constraints
	 + running time = 146s
	 + root occurrences groups = 126
- Step 2: Mining maximal patterns WITHOUT max size constraint:
	 + search finished
	 + maximal patterns: 65
	 + running time: ...1440s
