[2026-06-04T20:20:31] Launching Arriba 2.4.0
[2026-06-04T20:20:31] Loading assembly from 'ref_genome.fa' 
[2026-06-04T20:20:39] Loading annotation from 'ref_annot.gtf' 
[2026-06-04T20:20:42] Reading chimeric alignments from 'NTC_0001_0001_B23MHV2LT4_2.Aligned.sortedByCoord.out.bam' (total=20616)
[2026-06-04T20:20:43] Marking multi-mapping alignments (marked=18861)
[2026-06-04T20:20:43] Detecting strandedness (no)
[2026-06-04T20:20:43] Annotating alignments 
[2026-06-04T20:20:43] Filtering duplicates (remaining=9481)
[2026-06-04T20:20:43] 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=8191)
[2026-06-04T20:20:43] Filtering mates which only map to viral contigs (AC_* NC_*) (remaining=8191)
[2026-06-04T20:20:43] Filtering viral contigs with expression lower than the top 5 (remaining=8191)
[2026-06-04T20:20:43] Filtering viral contigs with less than 5% coverage (remaining=8191)
[2026-06-04T20:20:43] Estimating fragment length [2026-06-04T20:20:43] Filtering read-through fragments with a distance <=10000bp (remaining=8187)
[2026-06-04T20:20:43] Filtering inconsistently clipped mates (remaining=7240)
[2026-06-04T20:20:43] Filtering breakpoints adjacent to homopolymers >=6nt (remaining=6579)
[2026-06-04T20:20:43] Filtering fragments with small insert size (remaining=6568)
[2026-06-04T20:20:43] Filtering alignments with long gaps (remaining=6568)
[2026-06-04T20:20:43] Filtering fragments with both mates in the same gene (remaining=6506)
[2026-06-04T20:20:43] Filtering fusions arising from hairpin structures (remaining=5685)
[2026-06-04T20:20:43] Filtering reads with a mismatch p-value <=0.01 (remaining=259)
[2026-06-04T20:20:43] Filtering reads with low entropy (k-mer content >=60%) (remaining=20)
[2026-06-04T20:20:43] Finding fusions and counting supporting reads (total=21)
[2026-06-04T20:20:43] Merging adjacent fusion breakpoints (remaining=21)
[2026-06-04T20:20:43] Filtering multi-mapping fusions by alignment score and read support (remaining=21)
[2026-06-04T20:20:43] Estimating expected number of fusions by random chance (e-value) 
[2026-06-04T20:20:43] Filtering fusions with both breakpoints in adjacent non-coding/intergenic regions (remaining=21)
[2026-06-04T20:20:43] Filtering intragenic fusions with both breakpoints in exonic regions (remaining=21)
[2026-06-04T20:20:43] Filtering fusions with <2 supporting reads (remaining=0)
[2026-06-04T20:20:43] Filtering fusions with an e-value >=0.3 (remaining=0)
[2026-06-04T20:20:43] Searching for internal tandem duplications <=100bp with >=10 supporting reads and >=7% allele fraction (remaining=0)
[2026-06-04T20:20:43] Filtering fusions with both breakpoints in intronic/intergenic regions (remaining=0)
[2026-06-04T20:20:43] Searching for known fusions in 'known_fusions_hg38_GRCh38_v2.4.0.tsv.gz' (remaining=0)
[2026-06-04T20:20:43] Filtering in vitro-generated fusions between genes with an expression above the 99.8% quantile (remaining=0)
[2026-06-04T20:20:43] Searching for fusions with spliced split reads (remaining=0)
[2026-06-04T20:20:43] Selecting best breakpoints from genes with multiple breakpoints (remaining=0)
[2026-06-04T20:20:43] Filtering read-through fusions with breakpoints near the gene boundary (remaining=0)
[2026-06-04T20:20:43] Searching for fusions with >=4 spliced events (remaining=0)
[2026-06-04T20:20:43] Filtering blacklisted fusions in 'blacklist_hg38_GRCh38_v2.4.0.tsv.gz' (remaining=0)
[2026-06-04T20:20:52] Filtering fusions with anchors <=23nt (remaining=0)
[2026-06-04T20:20:52] Filtering end-to-end fusions with low support (remaining=0)
[2026-06-04T20:20:52] Filtering fusions with no coverage around the breakpoints (remaining=0)
[2026-06-04T20:20:52] Indexing gene sequences 
[2026-06-04T20:20:52] Filtering genes with >=30% identity (remaining=0)
[2026-06-04T20:20:52] Re-aligning chimeric reads to filter fusions with >=80% mis-mappers (remaining=0)
[2026-06-04T20:20:52] Selecting best breakpoints from genes with multiple breakpoints (remaining=0)
[2026-06-04T20:20:52] Searching for additional isoforms (remaining=0)
[2026-06-04T20:20:52] Assigning confidence scores to events 
[2026-06-04T20:20:52] Loading protein domains from 'protein_domains_hg38_GRCh38_v2.4.0.gff3'
[2026-06-04T20:20:52] Writing fusions to file 'NTC_0001_0001_B23MHV2LT4_2.arriba.fusions.tsv' 
[2026-06-04T20:20:52] Writing discarded fusions to file 'NTC_0001_0001_B23MHV2LT4_2.arriba.fusions.discarded.tsv'
[2026-06-04T20:20:52] Freeing resources
[2026-06-04T20:20:53] Done (elapsed time=00:00:22, CPU time=00:00:21, peak memory=4.1gb)