Random failure in Unit.PointwiseFunctions.AnalyticSolutions.Xcts.Schwarzschild

[wthrowe]

Seen on CI, can also reproduce locally.

2025-02-13T23:45:05.3047585Z 1209/1482 Test #1340: Unit.PointwiseFunctions.AnalyticSolutions.Xcts.Schwarzschild .......................***Failed    8.70 sec
2025-02-13T23:45:05.3061573Z The following options differ from their suggested values:
2025-02-13T23:45:05.3062275Z The following options differ from their suggested values:
2025-02-13T23:45:05.3062891Z The following options differ from their suggested values:
2025-02-13T23:45:05.3063662Z The following options differ from their suggested values:
2025-02-13T23:45:05.3064265Z The following options differ from their suggested values:
2025-02-13T23:45:05.3064860Z The following options differ from their suggested values:
2025-02-13T23:45:05.3065457Z The following options differ from their suggested values:
2025-02-13T23:45:05.3066880Z /__w/spectre/spectre/tests/Unit/PointwiseFunctions/AnalyticSolutions/Xcts/SchwarzschildMaximalIsotropic.py:26: RuntimeWarning: invalid value encountered in scalar power
2025-02-13T23:45:05.3068322Z   part2 = (part2_numerator / part2_denominator) ** (1 / sqrt(2))
2025-02-13T23:45:05.3068874Z SpECTRE Build Information:
2025-02-13T23:45:05.3069589Z Version:                      2025.01.30
2025-02-13T23:45:05.3070025Z Compiled on host:             2a702d06ed8f
2025-02-13T23:45:05.3070602Z Compiled in directory:        /__w/spectre/spectre/build
2025-02-13T23:45:05.3071162Z Source directory is:          /__w/spectre/spectre
2025-02-13T23:45:05.3071647Z Compiled on git branch:       develop
2025-02-13T23:45:05.3072073Z Compiled on git revision:     54d0906
2025-02-13T23:45:05.3072522Z Linked on:                    Thu Feb 13 23:32:53 2025
2025-02-13T23:45:05.3073121Z Build type:                   Debug
2025-02-13T23:45:05.3073707Z Filters: ""Unit.PointwiseFunctions.AnalyticSolutions.Xcts.Schwarzschild""
2025-02-13T23:45:05.3074301Z Randomness seeded to: 3342733995
2025-02-13T23:45:05.3074643Z Traceback (most recent call last):
2025-02-13T23:45:05.3075733Z   File "/__w/spectre/spectre/tests/Unit/PointwiseFunctions/AnalyticSolutions/Xcts/SchwarzschildMaximalIsotropic.py", line 73, in conformal_factor
2025-02-13T23:45:05.3077304Z     r_areal = areal_radius_from_isotropic(r_isotropic, mass)
2025-02-13T23:45:05.3078652Z   File "/__w/spectre/spectre/tests/Unit/PointwiseFunctions/AnalyticSolutions/Xcts/SchwarzschildMaximalIsotropic.py", line 48, in areal_radius_from_isotropic
2025-02-13T23:45:05.3080011Z     return newton(func=f, fprime=fprime, x0=r_isotropic, tol=1.0e-12)
2025-02-13T23:45:05.3080874Z   File "/usr/local/lib/python3.10/dist-packages/scipy/optimize/_zeros_py.py", line 391, in newton
2025-02-13T23:45:05.3081607Z     raise RuntimeError(msg)
2025-02-13T23:45:05.3082146Z RuntimeError: Failed to converge after 50 iterations, value is nan.
2025-02-13T23:45:05.3082590Z 
2025-02-13T23:45:05.3082790Z ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2025-02-13T23:45:05.3086771Z "Debug.Unit.PointwiseFunctions.AnalyticSolutions.Xcts.Schwarzschild" is a Catch2 v3.4.0 host application.
2025-02-13T23:45:05.3087660Z Run with -? for options
2025-02-13T23:45:05.3087884Z 
2025-02-13T23:45:05.3088132Z -------------------------------------------------------------------------------
2025-02-13T23:45:05.3088848Z Unit.PointwiseFunctions.AnalyticSolutions.Xcts.Schwarzschild
2025-02-13T23:45:05.3089534Z -------------------------------------------------------------------------------
2025-02-13T23:45:05.3090352Z ../../../../../../tests/Unit/PointwiseFunctions/AnalyticSolutions/Xcts/Test_Schwarzschild.cpp:151
2025-02-13T23:45:05.3091121Z ...............................................................................
2025-02-13T23:45:05.3091473Z 
2025-02-13T23:45:05.3091957Z ../../../../../../tests/Unit/PointwiseFunctions/AnalyticSolutions/Xcts/Test_Schwarzschild.cpp:151: FAILED:
2025-02-13T23:45:05.3092771Z   {Unknown expression after the reported line}
2025-02-13T23:45:05.3102144Z due to unexpected exception with messages:
2025-02-13T23:45:05.3102613Z   mass := 1.0
2025-02-13T23:45:05.3103222Z   coords := MaximalIsotropic
2025-02-13T23:45:05.3103612Z   Random-value tests
2025-02-13T23:45:05.3104081Z   Seed is: 1176091585 from ../../../../../../tests/Unit/Framework/
2025-02-13T23:45:05.3104631Z   CheckWithRandomValues.hpp:622
2025-02-13T23:45:05.3105099Z   module_name := "SchwarzschildMaximalIsotropic"
2025-02-13T23:45:05.3105592Z   function_name := "conformal_factor"
2025-02-13T23:45:05.3106012Z   args := { T(0)=(2.28035,0.815026,1.46844)
2025-02-13T23:45:05.3106415Z   T(1)=(1.1538,0.855539,1.70191)
2025-02-13T23:45:05.3106777Z   T(2)=(1.70511,0.915308,1.22956) }
2025-02-13T23:45:05.3107153Z   member_args := { 1.0 }
2025-02-13T23:45:05.3107492Z   Function returned null
2025-02-13T23:45:05.3107720Z 
2025-02-13T23:45:05.3108058Z 0.000 s: Unit.PointwiseFunctions.AnalyticSolutions.Xcts.Schwarzschild
2025-02-13T23:45:05.3108708Z ===============================================================================
2025-02-13T23:45:05.3109194Z test cases:      1 |      0 passed | 1 failed
2025-02-13T23:45:05.3109658Z assertions: 992198 | 992197 passed | 1 failed
2025-02-13T23:45:05.3109958Z 
2025-02-13T23:45:05.3110004Z