[2026-06-08T07:53:29] Launching Arriba 2.4.0
[2026-06-08T07:53:29] Loading assembly from 'ref_genome.fa' 
[2026-06-08T07:53:40] Loading annotation from 'ref_annot.gtf' 
[2026-06-08T07:53:46] Reading chimeric alignments from 'SkinN_FFPE_L01_RNA_01_B23LG7FLT4_2.Aligned.sortedByCoord.out.bam' (total=10327345)
[2026-06-08T07:57:51] Marking multi-mapping alignments (marked=8346350)
[2026-06-08T07:57:55] Detecting strandedness (reverse)
[2026-06-08T07:57:55] Assigning strands to alignments 
[2026-06-08T07:57:57] Annotating alignments 
[2026-06-08T07:58:39] Filtering duplicates (remaining=2148359)
[2026-06-08T07:58:46] Filtering mates which do not map to interesting contigs (1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 X Y AC_* NC_*) (remaining=1653706)
[2026-06-08T07:58:48] Filtering mates which only map to viral contigs (AC_* NC_*) (remaining=1653706)
[2026-06-08T07:58:51] Filtering viral contigs with expression lower than the top 5 (remaining=1653706)
[2026-06-08T07:58:55] Filtering viral contigs with less than 5% coverage (remaining=1653706)
[2026-06-08T07:58:57] Estimating fragment length (mate gap mean=-66.134, mate gap stddev=29.1613, read length mean=102.055)
[2026-06-08T07:58:58] Filtering read-through fragments with a distance <=10000bp (remaining=1615187)
[2026-06-08T07:59:00] Filtering inconsistently clipped mates (remaining=1563705)
[2026-06-08T07:59:02] Filtering breakpoints adjacent to homopolymers >=6nt (remaining=1399826)
[2026-06-08T07:59:06] Filtering fragments with small insert size (remaining=1397604)
[2026-06-08T07:59:08] Filtering alignments with long gaps (remaining=1397604)
[2026-06-08T07:59:10] Filtering fragments with both mates in the same gene (remaining=1396555)
[2026-06-08T07:59:13] Filtering fusions arising from hairpin structures (remaining=1319011)
[2026-06-08T07:59:15] Filtering reads with a mismatch p-value <=0.01 (remaining=339501)
[2026-06-08T07:59:20] Filtering reads with low entropy (k-mer content >=60%) (remaining=127517)
[2026-06-08T07:59:26] Finding fusions and counting supporting reads (total=120443)
[2026-06-08T07:59:40] Merging adjacent fusion breakpoints (remaining=119154)
[2026-06-08T07:59:41] Filtering multi-mapping fusions by alignment score and read support (remaining=44057)
[2026-06-08T08:00:15] Estimating expected number of fusions by random chance (e-value) 
[2026-06-08T08:00:18] Filtering fusions with both breakpoints in adjacent non-coding/intergenic regions (remaining=43086)
[2026-06-08T08:00:19] Filtering intragenic fusions with both breakpoints in exonic regions (remaining=34979)
[2026-06-08T08:00:19] Filtering fusions with <2 supporting reads (remaining=1281)
[2026-06-08T08:00:19] Filtering fusions with an e-value >=0.3 (remaining=282)
[2026-06-08T08:00:20] Searching for internal tandem duplications <=100bp with >=10 supporting reads and >=7% allele fraction (remaining=287)
[2026-06-08T08:00:23] Filtering fusions with both breakpoints in intronic/intergenic regions (remaining=202)
[2026-06-08T08:00:23] Searching for known fusions in 'known_fusions_hg38_GRCh38_v2.4.0.tsv.gz' (remaining=202)
[2026-06-08T08:00:24] Filtering in vitro-generated fusions between genes with an expression above the 99.8% quantile (remaining=201)
[2026-06-08T08:00:28] Searching for fusions with spliced split reads (remaining=216)
[2026-06-08T08:00:33] Selecting best breakpoints from genes with multiple breakpoints (remaining=178)
[2026-06-08T08:00:33] Filtering read-through fusions with breakpoints near the gene boundary (remaining=174)
[2026-06-08T08:00:34] Searching for fusions with >=4 spliced events (remaining=176)
[2026-06-08T08:00:34] Filtering blacklisted fusions in 'blacklist_hg38_GRCh38_v2.4.0.tsv.gz' (remaining=47)
[2026-06-08T08:00:51] Filtering fusions with anchors <=23nt (remaining=41)
[2026-06-08T08:00:52] Filtering end-to-end fusions with low support (remaining=40)
[2026-06-08T08:00:52] Filtering fusions with no coverage around the breakpoints (remaining=40)
[2026-06-08T08:00:52] Indexing gene sequences 
[2026-06-08T08:00:53] Filtering genes with >=30% identity (remaining=20)
[2026-06-08T08:00:54] Re-aligning chimeric reads to filter fusions with >=80% mis-mappers (remaining=6)
[2026-06-08T08:00:54] Selecting best breakpoints from genes with multiple breakpoints (remaining=6)
[2026-06-08T08:00:55] Searching for additional isoforms (remaining=6)
[2026-06-08T08:00:55] Assigning confidence scores to events 
[2026-06-08T08:00:57] Loading protein domains from 'protein_domains_hg38_GRCh38_v2.4.0.gff3'
[2026-06-08T08:00:57] Writing fusions to file 'SkinN_FFPE_L01_RNA_01_B23LG7FLT4_2.arriba.fusions.tsv' 
[2026-06-08T08:00:57] Writing discarded fusions to file 'SkinN_FFPE_L01_RNA_01_B23LG7FLT4_2.arriba.fusions.discarded.tsv'
[2026-06-08T08:01:10] Freeing resources
[2026-06-08T08:01:30] Done (elapsed time=00:08:01, CPU time=00:08:00, peak memory=14.5gb)