diff --git a/iOpt/solver.py b/iOpt/solver.py
index 62d188ae..e7613496 100644
--- a/iOpt/solver.py
+++ b/iOpt/solver.py
@@ -114,6 +114,10 @@ def load_progress(self, file_name: str) -> None:
         Solver.check_parameters(self.problem, self.parameters)
         self.process.load_progress(file_name=file_name)
 
+        if (self.problem.number_of_discrete_variables > 0):
+            self.process.method.iterations_count = self.process.search_data.get_count() - (len(self.method.GetDiscreteParameters(self.problem)) + 1 ) #-2
+        else: self.process.method.iterations_count = self.process.search_data.get_count() - 2
+
     def refresh_listener(self) -> None:
         """
         Метод оповещения наблюдателей о произошедшем событии
diff --git a/problems/shekel.py b/problems/shekel.py
index 6c0bc36f..37e6fdb6 100644
--- a/problems/shekel.py
+++ b/problems/shekel.py
@@ -22,7 +22,7 @@ def __init__(self, function_number: int):
         :param functionNumber: номер задачи в наборе, :math:`1 <= functionNumber <= 1000`
         """
         super(Shekel, self).__init__()
-        self.name = Shekel
+        self.name = "Shekel"
         self.dimension = 1
         self.number_of_float_variables = self.dimension
         self.number_of_discrete_variables = 0
diff --git a/problems/shekel4.py b/problems/shekel4.py
index 2e871df4..aa62886f 100644
--- a/problems/shekel4.py
+++ b/problems/shekel4.py
@@ -22,7 +22,7 @@ def __init__(self, function_number: int):
         :param functionNumber: номер задачи в наборе, :math:`1 <= functionNumber <= 3`
         """
         super(Shekel4, self).__init__()
-        self.name = Shekel4
+        self.name = "Shekel4"
         self.dimension = 4
         self.number_of_float_variables = self.dimension
         self.number_of_discrete_variables = 0
diff --git a/problems/stronginc5.py b/problems/stronginc5.py
index a8ca155c..f8f5a0b4 100644
--- a/problems/stronginc5.py
+++ b/problems/stronginc5.py
@@ -13,7 +13,7 @@ def __init__(self):
         Конструктор класса Stronginc5 problem.
         """
         super(Stronginc5, self).__init__()
-        self.name = 'Stronginc5'
+        self.name = "Stronginc5"
         self.dimension: int = 5
         self.number_of_float_variables = self.dimension
         self.number_of_discrete_variables = 0
diff --git a/problems/xsquared.py b/problems/xsquared.py
index 0a99758e..5d9d0cdf 100644
--- a/problems/xsquared.py
+++ b/problems/xsquared.py
@@ -12,7 +12,7 @@ class XSquared(Problem):
 
     def __init__(self, dimension: int):
         super(XSquared, self).__init__()
-        self.name = XSquared
+        self.name = "XSquared"
         self.dimension = dimension
         self.number_of_float_variables = dimension
         self.number_of_discrete_variables = 0
diff --git a/test/iOpt/method/loadProgress/test_load_progress.py b/test/iOpt/method/loadProgress/test_load_progress.py
index 410f29a8..a6a19318 100644
--- a/test/iOpt/method/loadProgress/test_load_progress.py
+++ b/test/iOpt/method/loadProgress/test_load_progress.py
@@ -53,6 +53,42 @@ def test_Rastrigin2(self):
             if os.path.isfile(path):
                 os.remove(path)
 
+    def test_RastriginInt(self):
+        self.problem = RastriginInt(5, 2)
+        self.params = SolverParameters(r=2.5, eps=0.01, iters_limit=50, refine_solution=False)
+        self.solver = Solver(self.problem, parameters=self.params)
+        self.sol50 = self.solver.solve()
+        self.solver.save_progress('RastriginInt_50.json')
+
+        self.params = SolverParameters(r=2.5, eps=0.01, iters_limit=100, refine_solution=False)
+        self.solver = Solver(self.problem, parameters=self.params)
+        self.solver.load_progress('RastriginInt_50.json')
+        self.sol50_100 = self.solver.solve()
+        self.solver.save_progress('RastriginInt_50_100.json')
+
+        self.params = SolverParameters(r=2.5, eps=0.01, iters_limit=100, refine_solution=False)
+        self.solver = Solver(self.problem, parameters=self.params)
+        self.sol100 = self.solver.solve()
+        self.solver.save_progress('RastriginInt_100.json')
+
+        self.params = SolverParameters(r=2.5, eps=0.01, iters_limit=100, refine_solution=False)
+        self.solver = Solver(self.problem, parameters=self.params)
+        self.sol100_ns = self.solver.solve()
+
+        with open('RastriginInt_50_100.json') as json_file:
+            data1 = json.load(json_file)
+
+        with open('RastriginInt_100.json') as json_file:
+            data2 = json.load(json_file)
+
+        self.assertEqual(self.sol50_100.best_trials, self.sol100_ns.best_trials)
+        self.assertEqual(data1, data2)
+
+        pathlist = ['RastriginInt_50.json', 'RastriginInt_50_100.json', 'RastriginInt_100.json']
+        for path in pathlist:
+            if os.path.isfile(path):
+                os.remove(path)
+
 
     def test_GKLS(self):
         self.problem = GKLS(3, 2)