diff --git a/linearizability_tester/main.cc b/linearizability_tester/main.cc
index 43990fe..b342b0f 100644
--- a/linearizability_tester/main.cc
+++ b/linearizability_tester/main.cc
@@ -7,175 +7,175 @@
 
 template<std::size_t N, class S>
 static void embb_worker_stack(
-	const WorkerConfiguration& worker_configuration,
-	ConcurrentLog<state::Stack<N>>& concurrent_log,
-	S& concurrent_stack)
+  const WorkerConfiguration& worker_configuration,
+  ConcurrentLog<state::Stack<N>>& concurrent_log,
+  S& concurrent_stack)
 {
-	std::random_device rd;
-	std::mt19937 gen(rd());
-	std::uniform_int_distribution<> value_dist('\0', worker_configuration.max_value);
-	std::uniform_int_distribution<> percentage_dist(0, 100);
-
-	// each operation returns false
-	bool ret;
-
-	char value;
-	unsigned percentage;
-	EntryPtr<state::Stack<N>> call_entry_ptr;
-	for (unsigned number_of_ops{ 0U };
-	number_of_ops < worker_configuration.number_of_ops;
-		++number_of_ops)
-	{
-		value = value_dist(rd);
-		percentage = percentage_dist(rd);
-		if (percentage < 30)
-		{
-			call_entry_ptr = concurrent_log.push_back(state::Stack<N>::make_try_push_call(value));
-			ret = concurrent_stack.TryPush(value);
-			concurrent_log.push_back(call_entry_ptr, state::Stack<N>::make_try_push_ret(ret));
-		}
-		else
-		{
-			call_entry_ptr = concurrent_log.push_back(state::Stack<N>::make_try_pop_call());
-			ret = concurrent_stack.TryPop(value);
-			concurrent_log.push_back(call_entry_ptr, state::Stack<N>::make_try_pop_ret(ret, value));
-		}
-	}
+  std::random_device rd;
+  std::mt19937 gen(rd());
+  std::uniform_int_distribution<> value_dist('\0', worker_configuration.max_value);
+  std::uniform_int_distribution<> percentage_dist(0, 100);
+
+  // each operation returns false
+  bool ret;
+
+  char value;
+  unsigned percentage;
+  EntryPtr<state::Stack<N>> call_entry_ptr;
+  for (unsigned number_of_ops{ 0U };
+  number_of_ops < worker_configuration.number_of_ops;
+    ++number_of_ops)
+  {
+    value = value_dist(rd);
+    percentage = percentage_dist(rd);
+    if (percentage < 30)
+    {
+      call_entry_ptr = concurrent_log.push_back(state::Stack<N>::make_try_push_call(value));
+      ret = concurrent_stack.TryPush(value);
+      concurrent_log.push_back(call_entry_ptr, state::Stack<N>::make_try_push_ret(ret));
+    }
+    else
+    {
+      call_entry_ptr = concurrent_log.push_back(state::Stack<N>::make_try_pop_call());
+      ret = concurrent_stack.TryPop(value);
+      concurrent_log.push_back(call_entry_ptr, state::Stack<N>::make_try_pop_ret(ret, value));
+    }
+  }
 }
 
 template<std::size_t N, class S>
 static void embb_worker_queue(
-	const WorkerConfiguration& worker_configuration,
-	ConcurrentLog<state::Queue<N>>& concurrent_log,
-	S& concurrent_queue)
+  const WorkerConfiguration& worker_configuration,
+  ConcurrentLog<state::Queue<N>>& concurrent_log,
+  S& concurrent_queue)
 {
-	std::random_device rd;
-	std::mt19937 gen(rd());
-	std::uniform_int_distribution<> value_dist('\0', worker_configuration.max_value);
-	std::uniform_int_distribution<> percentage_dist(0, 100);
-
-	// each operation returns false
-	bool ret;
-
-	char value;
-	unsigned percentage;
-	EntryPtr<state::Queue<N>> call_entry_ptr;
-	for (unsigned number_of_ops{ 0U };
-	number_of_ops < worker_configuration.number_of_ops;
-		++number_of_ops)
-	{
-		value = value_dist(rd);
-		percentage = percentage_dist(rd);
-		if (percentage < 20)
-		{
-			call_entry_ptr = concurrent_log.push_back(state::Queue<N>::make_try_enqueue_call(value));
-			ret = concurrent_queue.TryEnqueue(value);
-			concurrent_log.push_back(call_entry_ptr, state::Queue<N>::make_try_enqueue_ret(ret));
-		}
-		else
-		{
-			call_entry_ptr = concurrent_log.push_back(state::Queue<N>::make_try_dequeue_call());
-			ret = concurrent_queue.TryDequeue(value);
-			concurrent_log.push_back(call_entry_ptr, state::Queue<N>::make_try_dequeue_ret(ret, value));
-		}
-	}
+  std::random_device rd;
+  std::mt19937 gen(rd());
+  std::uniform_int_distribution<> value_dist('\0', worker_configuration.max_value);
+  std::uniform_int_distribution<> percentage_dist(0, 100);
+
+  // each operation returns false
+  bool ret;
+
+  char value;
+  unsigned percentage;
+  EntryPtr<state::Queue<N>> call_entry_ptr;
+  for (unsigned number_of_ops{ 0U };
+  number_of_ops < worker_configuration.number_of_ops;
+    ++number_of_ops)
+  {
+    value = value_dist(rd);
+    percentage = percentage_dist(rd);
+    if (percentage < 20)
+    {
+      call_entry_ptr = concurrent_log.push_back(state::Queue<N>::make_try_enqueue_call(value));
+      ret = concurrent_queue.TryEnqueue(value);
+      concurrent_log.push_back(call_entry_ptr, state::Queue<N>::make_try_enqueue_ret(ret));
+    }
+    else
+    {
+      call_entry_ptr = concurrent_log.push_back(state::Queue<N>::make_try_dequeue_call());
+      ret = concurrent_queue.TryDequeue(value);
+      concurrent_log.push_back(call_entry_ptr, state::Queue<N>::make_try_dequeue_ret(ret, value));
+    }
+  }
 }
 
 template <class S>
 static void embb_experiment_stack(bool is_linearizable)
 {
-	constexpr std::chrono::hours max_duration{ 1 };
-	constexpr std::size_t N = 560000U;
-	constexpr unsigned number_of_threads = 4U;
-	constexpr WorkerConfiguration worker_configuration = { '\24', 70000U };
-	constexpr unsigned log_size = number_of_threads * worker_configuration.number_of_ops;
-
-	Result<state::Stack<N>> result;
-	ConcurrentLog<state::Stack<N>> concurrent_log{ 2U * log_size };
-	S concurrent_stack(N);
-
-	if (!is_linearizable)
-	{
-		bool ok = concurrent_stack.TryPush(5);
-		assert(ok);
-	}
-
-	// create history
-	start_threads(number_of_threads, embb_worker_stack<N, S>, std::cref(worker_configuration),
-		std::ref(concurrent_log), std::ref(concurrent_stack));
-
-	const std::size_t number_of_entries{ concurrent_log.number_of_entries() };
-	const LogInfo<state::Stack<N>> log_info{ concurrent_log.info() };
-
-	auto start = std::chrono::system_clock::now();
-	auto end = std::chrono::system_clock::now();
-	std::chrono::seconds seconds;
-
-	start = std::chrono::system_clock::now();
-	{
-		Log<state::Stack<N>> log_copy{ log_info };
-		assert(log_copy.number_of_entries() == number_of_entries);
-
-		LinearizabilityTester<state::Stack<N>, Option::LRU_CACHE> tester{ log_copy.info(), max_duration };
-		tester.check(result);
-		assert(result.is_timeout() || result.is_linearizable() == is_linearizable);
-	}
-	end = std::chrono::system_clock::now();
-	seconds = std::chrono::duration_cast<std::chrono::seconds>(end - start);
-	std::cout << "History length: " << number_of_entries
-		<< ", elapsed time: "
-		<< seconds.count() << " s " << std::endl;
+  constexpr std::chrono::hours max_duration{ 1 };
+  constexpr std::size_t N = 560000U;
+  constexpr unsigned number_of_threads = 4U;
+  constexpr WorkerConfiguration worker_configuration = { '\24', 70000U };
+  constexpr unsigned log_size = number_of_threads * worker_configuration.number_of_ops;
+
+  Result<state::Stack<N>> result;
+  ConcurrentLog<state::Stack<N>> concurrent_log{ 2U * log_size };
+  S concurrent_stack(N);
+
+  if (!is_linearizable)
+  {
+    bool ok = concurrent_stack.TryPush(5);
+    assert(ok);
+  }
+
+  // create history
+  start_threads(number_of_threads, embb_worker_stack<N, S>, std::cref(worker_configuration),
+    std::ref(concurrent_log), std::ref(concurrent_stack));
+
+  const std::size_t number_of_entries{ concurrent_log.number_of_entries() };
+  const LogInfo<state::Stack<N>> log_info{ concurrent_log.info() };
+
+  auto start = std::chrono::system_clock::now();
+  auto end = std::chrono::system_clock::now();
+  std::chrono::seconds seconds;
+
+  start = std::chrono::system_clock::now();
+  {
+    Log<state::Stack<N>> log_copy{ log_info };
+    assert(log_copy.number_of_entries() == number_of_entries);
+
+    LinearizabilityTester<state::Stack<N>, Option::LRU_CACHE> tester{ log_copy.info(), max_duration };
+    tester.check(result);
+    assert(result.is_timeout() || result.is_linearizable() == is_linearizable);
+  }
+  end = std::chrono::system_clock::now();
+  seconds = std::chrono::duration_cast<std::chrono::seconds>(end - start);
+  std::cout << "History length: " << number_of_entries
+    << ", elapsed time: "
+    << seconds.count() << " s " << std::endl;
 }
 
 template <class S>
 static void embb_experiment_queue(bool is_linearizable)
 {
-	constexpr std::chrono::hours max_duration{ 1 };
-	constexpr std::size_t N = 560000U;
-	constexpr unsigned number_of_threads = 4U;
-	constexpr WorkerConfiguration worker_configuration = { '\24', 70000U };
-	constexpr unsigned log_size = number_of_threads * worker_configuration.number_of_ops;
-
-
-	Result<state::Queue<N>> result;
-	ConcurrentLog<state::Queue<N>> concurrent_log{ 2U * log_size };
-	S concurrent_queue(N);
-
-	if (!is_linearizable)
-	{
-		bool ok = concurrent_queue.TryEnqueue(5);
-		assert(ok);
-	}
-
-	// create history
-	start_threads(number_of_threads, embb_worker_queue<N, S>, std::cref(worker_configuration),
-		std::ref(concurrent_log), std::ref(concurrent_queue));
-	const std::size_t number_of_entries{ concurrent_log.number_of_entries() };
-	const LogInfo<state::Queue<N>> log_info{ concurrent_log.info() };
-	// std::cout << log_info << std::endl;
-
-	auto start = std::chrono::system_clock::now();
-	auto end = std::chrono::system_clock::now();
-	std::chrono::seconds seconds;
-
-	start = std::chrono::system_clock::now();
-	{
-		Log<state::Queue<N>> log_copy{ log_info };
-		assert(log_copy.number_of_entries() == number_of_entries);
-		LinearizabilityTester<state::Queue<N>, Option::LRU_CACHE> tester{ log_copy.info(), max_duration };
-		tester.check(result);
-		assert(result.is_timeout() || result.is_linearizable() == is_linearizable);
-	}
-	end = std::chrono::system_clock::now();
-	seconds = std::chrono::duration_cast<std::chrono::seconds>(end - start);
-	std::cout << "History length: " << number_of_entries
-		<< ", elapsed time:  "
-		<< seconds.count() << " s " << std::endl;
+  constexpr std::chrono::hours max_duration{ 1 };
+  constexpr std::size_t N = 560000U;
+  constexpr unsigned number_of_threads = 4U;
+  constexpr WorkerConfiguration worker_configuration = { '\24', 70000U };
+  constexpr unsigned log_size = number_of_threads * worker_configuration.number_of_ops;
+
+
+  Result<state::Queue<N>> result;
+  ConcurrentLog<state::Queue<N>> concurrent_log{ 2U * log_size };
+  S concurrent_queue(N);
+
+  if (!is_linearizable)
+  {
+    bool ok = concurrent_queue.TryEnqueue(5);
+    assert(ok);
+  }
+
+  // create history
+  start_threads(number_of_threads, embb_worker_queue<N, S>, std::cref(worker_configuration),
+    std::ref(concurrent_log), std::ref(concurrent_queue));
+  const std::size_t number_of_entries{ concurrent_log.number_of_entries() };
+  const LogInfo<state::Queue<N>> log_info{ concurrent_log.info() };
+  // std::cout << log_info << std::endl;
+
+  auto start = std::chrono::system_clock::now();
+  auto end = std::chrono::system_clock::now();
+  std::chrono::seconds seconds;
+
+  start = std::chrono::system_clock::now();
+  {
+    Log<state::Queue<N>> log_copy{ log_info };
+    assert(log_copy.number_of_entries() == number_of_entries);
+    LinearizabilityTester<state::Queue<N>, Option::LRU_CACHE> tester{ log_copy.info(), max_duration };
+    tester.check(result);
+    assert(result.is_timeout() || result.is_linearizable() == is_linearizable);
+  }
+  end = std::chrono::system_clock::now();
+  seconds = std::chrono::duration_cast<std::chrono::seconds>(end - start);
+  std::cout << "History length: " << number_of_entries
+    << ", elapsed time:  "
+    << seconds.count() << " s " << std::endl;
 }
 
 
 int main()
-{	
+{  
 
   // Test functions and structures in linearizability_tester.h
   run_tests();