diff --git a/examples/alignments.py b/examples/alignments.py
index fec4a2f..9049e53 100644
--- a/examples/alignments.py
+++ b/examples/alignments.py
@@ -1,4 +1,5 @@
-from micropm4py.log import xes_import_traces_file
+from micropm4py.log import xes_import_traces_file_minimal_dfg
+from micropm4py.log import xes_import_traces_file_minimal_it
 from micropm4py.discovery import alpha
 from micropm4py.petrinet import alignments
 import time
@@ -7,11 +8,11 @@
 
 def main():
     log_file = os.path.join("..", "micro_tests", "reviewing.xes")
-    dfg = xes_import_traces_file.imp_dfg_file(log_file)
+    dfg = xes_import_traces_file_minimal_dfg.imp_dfg_file(log_file)
     net, im, fm = alpha.alpha(dfg)
     del dfg
-    it = xes_import_traces_file.get_it_from_file(log_file)
-    nxt = xes_import_traces_file.get_nxt_trace(it)
+    it = xes_import_traces_file_minimal_it.get_it_from_file(log_file)
+    nxt = xes_import_traces_file_minimal_it.get_nxt_trace(it)
     aa = time.ticks_ms()
     while nxt:
         try:
@@ -19,7 +20,7 @@ def main():
             print(align)
         except:
             print("MemoryError")
-        nxt = xes_import_traces_file.get_nxt_trace(it)
+        nxt = xes_import_traces_file_minimal_it.get_nxt_trace(it)
     bb = time.ticks_ms()
     print(bb - aa)
 
diff --git a/examples/simpler/alignments.py b/examples/simpler/alignments.py
index a496764..fba85ba 100644
--- a/examples/simpler/alignments.py
+++ b/examples/simpler/alignments.py
@@ -1,12 +1,16 @@
+import gc
+from micropm4py.petrinet import petrinet_import_file
+
+model_path = "running-example.pnml"
+net, im, fm = petrinet_import_file.imp_file(model_path)
+del model_path
+gc.collect()
+
 from micropm4py.log import xes_import_traces_file_minimal_it
 from micropm4py.petrinet import alignments
 
 log_path = "running-example.xes"
 
-net = ((0, 0, 0, 0, 0, 0, 0), (('decide', (5, 2), (4,)), ('examine casually', (6,), (2,)), ('examine thoroughly', (6,), (2,)), ('register request', (0,), (1, 6)), ('check ticket', (1,), (5,)), ('reinitiate request', (4,), (6, 1)), ('pay compensation', (4,), (3,)), ('reject request', (4,), (3,))))
-im = {0: 1}
-fm = {3: 1}
-
 # creates an iterator from the log: a single trace is fetched per time
 it = xes_import_traces_file_minimal_it.get_it_from_file(log_path)
 # let's pick the first trace
diff --git a/examples/simpler/token_replay.py b/examples/simpler/token_replay.py
index 09ce278..77c4a63 100644
--- a/examples/simpler/token_replay.py
+++ b/examples/simpler/token_replay.py
@@ -1,13 +1,17 @@
+import gc
+from micropm4py.petrinet import petrinet_import_file
+
+model_path = "running-example.pnml"
+net, im, fm = petrinet_import_file.imp_file(model_path)
+del model_path
+gc.collect()
+
 from micropm4py.log import xes_import_traces_file_minimal_it
 from micropm4py.petrinet import petrinet_exec
 from micropm4py.util import copy
 
 log_path = "running-example.xes"
 
-net = ((0, 0, 0, 0, 0, 0, 0), (('decide', (5, 2), (4,)), ('examine casually', (6,), (2,)), ('examine thoroughly', (6,), (2,)), ('register request', (0,), (1, 6)), ('check ticket', (1,), (5,)), ('reinitiate request', (4,), (6, 1)), ('pay compensation', (4,), (3,)), ('reject request', (4,), (3,))))
-im = {0: 1}
-fm = {3: 1}
-
 # creates an iterator from the log: a single trace is fetched per time
 it = xes_import_traces_file_minimal_it.get_it_from_file(log_path)
 # let's pick the first trace
diff --git a/micropm4py/__init__.py b/micropm4py/__init__.py
index 8217eb8..9a16247 100644
--- a/micropm4py/__init__.py
+++ b/micropm4py/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.1.8'
+__version__ = '0.2.0'
 __doc__ = "MicroPM4Py - Process Mining for Micro-Controllers"
 __author__ = 'Alessandro Berti'
 __author_email__ = 'alessandro.berti89@gmail.com'