diff --git a/sxpat/synthesis.py b/sxpat/synthesis.py
index a9cc71f98..11b50045f 100644
--- a/sxpat/synthesis.py
+++ b/sxpat/synthesis.py
@@ -170,9 +170,25 @@ def get_num_models_from_json(self, json_obj: List[Dict]):
 
     def set_path(self, this_path: Tuple[str, str], this_name: Optional[str] = None, id: int = 0):
         if this_name is None:
+            # get data from name
             data = NameData.from_filename(self.benchmark_name)
+
+            # updte root if origin
             if data.is_origin:
-                data.root = f'{data.root}_{self.template_name}_enc{self.specs.encoding.value}'
+                data.root = '_'.join((
+                    data.root,
+                    self.template_name,
+                    f'et{self.specs.et}',
+                    f'enc{self.specs.encoding.value}',
+                    f'imax{self.specs.imax}',
+                    f'omax{self.specs.omax}',
+                ))
+            
+            # update et
+            ET_PATTERN = re.compile(r'_et\d+')
+            data.root = ET_PATTERN.sub(f'_et{self.specs.et}', data.root)
+
+            # generate successor path
             this_name = str(data.get_successor(self.specs.iteration, id))
 
         folder, extenstion = this_path
diff --git a/sxpat/utils/name.py b/sxpat/utils/name.py
index 04458681a..ebe028964 100644
--- a/sxpat/utils/name.py
+++ b/sxpat/utils/name.py
@@ -1,9 +1,10 @@
 from __future__ import annotations
-from typing import Any, Mapping, Optional
+from typing import Optional
 from os import PathLike
 import dataclasses as dc
 
 import re
+from time import time_ns
 
 from Z3Log.config import path as z3logpath
 from sxpat.config.config import NameParameters
@@ -52,7 +53,7 @@ class NameData(PathLike):
     source_id: Optional[str] = None
     curr_id: Optional[str] = None
 
-    NAME_PATTERN = re.compile(r'(.+)_s(E|i\d+m\d+)_(i\d+m\d+)')
+    NAME_PATTERN = re.compile(r'(.+)_s(E|i\d+m\d+t\d+)_(i\d+m\d+t\d+)')
 
     def __post_init__(self):
         self.curr_id = self.curr_id or 'E'
@@ -65,7 +66,8 @@ def from_filename(cls, filename: str) -> NameData:
 
     @staticmethod
     def gen_id(iteration_number: int, model_number: int) -> str:
-        return f'i{iteration_number}m{model_number}'
+        timestamp = str(time_ns())[-15:]
+        return f'i{iteration_number}m{model_number}t{timestamp}'
 
     @property
     def is_origin(self) -> bool:
diff --git a/sxpat/xplore.py b/sxpat/xplore.py
index d4d44414d..d13951b16 100644
--- a/sxpat/xplore.py
+++ b/sxpat/xplore.py
@@ -226,8 +226,6 @@ def explore_grid(specs_obj: Specifications):
                 stats_obj.grid.cells[lpp][ppo].store_model_info(best_model_info)
                 pprint.success(f'ErrorEval PASS! with total wce = {best_data[4]}')
 
-                synth_obj.set_path(z3logpath.OUTPUT_PATH['ver'], list(cur_model_results.keys())[0])
-
                 exact_stats = [synth_obj.estimate_area(exact_file_path),
                                synth_obj.estimate_power(exact_file_path),
                                synth_obj.estimate_delay(exact_file_path)]