diff --git a/.gitignore b/.gitignore
index 3235f2b8..e9f944c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@ report.log
 .idea
 .env
 generate/
+failed/features/search_grid_search.log
+failed/
diff --git a/dataset/example_1d/gaussian_x1_time/interpolator.json b/dataset/example_1d/gaussian_x1_time/interpolator.json
index d9e33211..6d668ca6 100644
--- a/dataset/example_1d/gaussian_x1_time/interpolator.json
+++ b/dataset/example_1d/gaussian_x1_time/interpolator.json
@@ -16,9 +16,9 @@
                                     "type": "instance",
                                     "class_path": "autofit.example.model.Gaussian",
                                     "arguments": {
-                                        "centre": 89.1573244489481,
-                                        "sigma": 0.81944381768238,
-                                        "normalization": 2.2827841577175668e-05
+                                        "centre": 80.36417283002454,
+                                        "normalization": 0.1322807321513491,
+                                        "sigma": 24.28389009387196
                                     }
                                 },
                                 "time": 0
@@ -37,9 +37,9 @@
                                     "type": "instance",
                                     "class_path": "autofit.example.model.Gaussian",
                                     "arguments": {
-                                        "centre": 45.20438069345178,
-                                        "sigma": 4.29561879530823,
-                                        "normalization": 0.025412333573247764
+                                        "centre": 58.98394836578732,
+                                        "normalization": 180.30548036665078,
+                                        "sigma": 23.12323649315004
                                     }
                                 },
                                 "time": 1
@@ -58,9 +58,9 @@
                                     "type": "instance",
                                     "class_path": "autofit.example.model.Gaussian",
                                     "arguments": {
-                                        "centre": 55.62395852314085,
-                                        "sigma": 17.23866290302014,
-                                        "normalization": 1.1001651021764403
+                                        "centre": 83.39315163558207,
+                                        "normalization": 0.020605455281367098,
+                                        "sigma": 10.1820288228663
                                     }
                                 },
                                 "time": 2