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Bug: IQ-TREE CRASHES WITH SIGNAL SEGMENTATION FAULT #235

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BSohi42 opened this issue Jul 23, 2022 · 0 comments
Open

Bug: IQ-TREE CRASHES WITH SIGNAL SEGMENTATION FAULT #235

BSohi42 opened this issue Jul 23, 2022 · 0 comments

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@BSohi42
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BSohi42 commented Jul 23, 2022

I have been trying to run IQ-tree for a while now with 3 data sets of alignments. I work on windows.

But I keep getting the following error message:

WARNING: 298 sequences contain more than 50% gaps/ambiguity
**** TOTAL 65.17% 352 sequences failed composition chi2 test (p-value<5%; df=19)
NOTE: minimal branch length is reduced to 0.000000014689 for long alignment
Checking for duplicate sequences: done in 11.0597 secs using 384.3% CPU
ERROR:
ERROR: *** IQ-TREE CRASHES WITH SIGNAL SEGMENTATION FAULT
ERROR: *** For bug report please send to developers:
ERROR: *** Log file: alignment_predec1fixed.fasta.log
ERROR: *** Alignment files (if possible)


The example files work and I tried using iqtree version 2.2.0 and also the newest version iqtree 2.2.0.5

Using the "-t PARS" command works and creats a parsimony tree. But I need a maximum likelihood tree.
The alignment files are rather large (> 2GB), there are 352 protein sequences.

The command I used:

Command: iqtree2.exe -s alignment_predec1fixed.fasta -nt AUTO

Seed: 202760 (Using SPRNG - Scalable Parallel Random Number Generator)

for -nt I also used a fixed number of cores (16), but that didn't work either.

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