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test_proj_data_info_subsets_pet occasional segfaults on CI ubuntu clang #1664

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test_proj_data_info_subsets_pet occasional segfaults on CI ubuntu clang#1664
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KrisThielemans
@KrisThielemans

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@KrisThielemans
KrisThielemans
opened on Nov 6, 2025

https://github.com/UCL/STIR/actions/runs/18977369234/job/54200513400
https://github.com/UCL/STIR/actions/runs/19130080168/job/54688432498

6/69 Test  #6: test_proj_data_info_subsets_pet .................................................***Exception: SegFault  2.45 sec
-------- Testing ProjDataInfoSubsetByView --------
------------------ non-TOF
	Generating default ProjData from E953
	Generating default image of Ellipsoid
	 Generated ellipsoid image, min=0, max=1
	Filling ProjData with forward projection
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing ability to split a ProjData into consistent subsets
	Testing ProjDataSubsetByView >= operator
		checking Full subset should >= original ProjDataInfo
		checking Full subset should >= Smaller subset
		checking Independent subsets should not >= one another
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
repeat with an 'unusual' number of subsets, 13
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
repeat with z shift symmetries
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
repeat with all symmetries
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

WARNING: Turning off 90 and 180 degrees minus phi symmetries for subsets.
	Testing Subset forward projection is consistent with unbalanced subset
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 0: views {0}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 1: views {1}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 2: views {2}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 3: views {3}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 4: views {4}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 5: views {5}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 6: views {6}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 7: views {7}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 8: views {8}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing unbalanced subset 9: views {9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23}

	Testing Subset forward projection is consistent
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin
	Testing Subset forward projection is consistent with reduced segment range
	Setting up default projector pair, ProjectorByBinPairUsingProjMatrixByBin

re-running the job often works.

This is a bit reminiscent of the SRT2D MacOS clang 21 failures with OpenMP.

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