[ET Trac] #2881: Running BBH with CarpetX: Assertion `all(i >= 0 && i + order < grid.lsh)' failed

Alejandra Gonzalez trac-noreply at einsteintoolkit.org
Fri Aug 8 03:25:14 CDT 2025


#2881: Running BBH with CarpetX: Assertion `all(i >= 0 && i + order < grid.lsh)' failed

 Reporter: Alejandra Gonzalez
   Status: new
Milestone: 
  Version: 
     Type: bug
 Priority: major
Component: CarpetX

Comment (by Alejandra Gonzalez):

Hi Liwei, this error happens before it starts evolution, especifically after these lines:  

```
INFO (CarpetX): Initializing level 6...
INFO (PunctureTracker): Writing punc coords to box 0.
INFO (PunctureTracker): Writing punc coords to box 1.
INFO (CarpetX): Regridding...
INFO (CarpetX):   level 0: 4 boxes, 2097152 cells (100%)
INFO (CarpetX):   level 1: 4 boxes, 665600 cells (3.967%, 4%)
INFO (CarpetX):   level 2: 4 boxes, 165888 cells (0.1236%, 3%)
INFO (CarpetX):   level 3: 4 boxes, 239616 cells (0.02232%, 18%)
INFO (CarpetX):   level 4: 4 boxes, 221184 cells (0.002575%, 12%)
INFO (CarpetX):   level 5: 4 boxes, 221184 cells (0.0003219%, 12%)
INFO (CarpetX):   level 6: 4 boxes, 221184 cells (4.023e-05%, 12%)
INFO (CarpetX): Initialized 7 levels
INFO (AHFinderDirect): proc 0: searching for horizon 1/3
```

‌

--
Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2881/running-bbh-with-carpetx-assertion-all-i-0
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