diff --git a/command_line/cadbiom_cmd/solution_search.py b/command_line/cadbiom_cmd/solution_search.py
index 3773cfa30d1e663ad1089cdc14f50b2954059b89..5b04f20b59286827cf4d3d3fbe8fb25fdf1fd0a1 100644
--- a/command_line/cadbiom_cmd/solution_search.py
+++ b/command_line/cadbiom_cmd/solution_search.py
@@ -357,7 +357,7 @@ def find_macs(mcla,
             frontier_sol.save(file, only_macs=True)
 
         # Save min steps
-        # min_step = mcla.unfolder.get_current_step() - 1 # Magic number !
+        # min_step = mcla.unfolder.current_step - 1 # Magic number !
         # LOGGER.debug("%s:: Save minimal steps: %s", final_prop, min_step)
         # with open(mac_step_file, 'a') as file:
         #     file.write(str(min_step)+'\n')
@@ -402,7 +402,7 @@ def find_mac(mcla,
     # Is the property reacheable ?
     reacheable = mcla.sq_is_satisfiable(query, steps)
     # If yes, in how many steps ?
-    min_step = mcla.unfolder.get_current_step()
+    min_step = mcla.unfolder.current_step
 
     if reacheable and (min_step <= steps):
         LOGGER.info("%s:: Property %s is reacheable in %s steps",
@@ -429,7 +429,7 @@ def find_mac(mcla,
             frontier_sol.save(file, only_macs=True)
 
         # Save min steps
-        min_step = mcla.unfolder.get_current_step() - 1  # Magic number !
+        min_step = mcla.unfolder.current_step - 1  # Magic number !
         # LOGGER.debug("%s:: Save minimal steps: %s", final_prop, min_step)
         # with open(mac_step_file, 'a') as file:
         #     file.write(str(min_step)+'\n')
@@ -536,7 +536,7 @@ def detect_model_type(mclanalyser, filepath):
 #
 #    reacheable = mcla.sq_is_satisfiable(query, steps) #important step
 #    print("reacheable:", reacheable)
-#    min_step = mcla.unfolder.get_current_step()
+#    min_step = mcla.unfolder.current_step
 #    print("min_step:", min_step)
 #    # Set max step authorized
 #    query.steps_before_check = min_step - 1
@@ -556,7 +556,7 @@ def detect_model_type(mclanalyser, filepath):
 #        write_list(next_mac, mac_file)
 #
 #        # SAVE STEP
-#        min_step = mcla.unfolder.get_current_step()
+#        min_step = mcla.unfolder.current_step
 #        print("save min step:", min_step)
 #        with open(mac_step_file, 'a') as file:
 #            file.write(str(min_step)+'\n')
diff --git a/library/cadbiom/models/clause_constraints/mcl/CLUnfolder.py b/library/cadbiom/models/clause_constraints/mcl/CLUnfolder.py
index 47b7dd9bdad4d2737d93488c6d567f32af8f3c64..990c42b219b6fabe0845ec3223aecbe554a657ad 100644
--- a/library/cadbiom/models/clause_constraints/mcl/CLUnfolder.py
+++ b/library/cadbiom/models/clause_constraints/mcl/CLUnfolder.py
@@ -588,7 +588,8 @@ class CLUnfolder(object):
         """
         return self.__shift_step
 
-    def get_current_step(self):
+    @property
+    def current_step(self):
         """
         @return: the current number of unfolding
         """
diff --git a/library/cadbiom/models/clause_constraints/mcl/MCLAnalyser.py b/library/cadbiom/models/clause_constraints/mcl/MCLAnalyser.py
index 67b8d58e2137ac9011a54703dc40b81a515b100b..a13d856933466dfd9320cdd4dca95d47a7fd1b2e 100644
--- a/library/cadbiom/models/clause_constraints/mcl/MCLAnalyser.py
+++ b/library/cadbiom/models/clause_constraints/mcl/MCLAnalyser.py
@@ -691,7 +691,7 @@ class MCLAnalyser(object):
         reachable = self.sq_is_satisfiable(query, max_user_step)
 
         # Get the minimum number of steps for reachability
-        min_step = self.unfolder.get_current_step()
+        min_step = self.unfolder.current_step
         # Adjust the number of useless shifts needed before finding a solution
         # (i.e. testing final prop).
         # __steps_before_check can't be >= max_user_step
@@ -721,8 +721,8 @@ class MCLAnalyser(object):
                 # break
 
                 LOGGER.info("MCLA: NOT FOUND -> satis test; current step %s",
-                            self.unfolder.get_current_step())
-                if self.unfolder.get_current_step() + 1 > max_user_step:
+                            self.unfolder.current_step)
+                if self.unfolder.current_step + 1 > max_user_step:
                     # Cosmetic break, avoid to do useless test
                     break
 
@@ -747,7 +747,7 @@ class MCLAnalyser(object):
                     break
                 # __steps_before_check can't be >= min_step
                 # (see squery_is_satisfied() and squery_solve())
-                min_step = self.unfolder.get_current_step()
+                min_step = self.unfolder.current_step
                 query.steps_before_check = min_step - 1
 
                 print("testing AUTO CORRECT max step:", min_step)
diff --git a/library/cadbiom/models/clause_constraints/mcl/MCLSolutions.py b/library/cadbiom/models/clause_constraints/mcl/MCLSolutions.py
index c32cdb160f7a775490b9b004055a31d00429405c..4516e1200bdd611536018829ae2c0838502f4055 100644
--- a/library/cadbiom/models/clause_constraints/mcl/MCLSolutions.py
+++ b/library/cadbiom/models/clause_constraints/mcl/MCLSolutions.py
@@ -134,7 +134,7 @@ class RawSolution(object):
         self.solution = solution
         self.unfolder = unfolder
         self.shift_step = unfolder.get_shift_step()
-        self.current_step = unfolder.get_current_step()
+        self.current_step = unfolder.current_step
         self.shift_direction = unfolder.get_shift_direction()
 
     def get_unshift_code(self, var_num):