Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/81/c47e3aa2313923675aa2c6592a8958/Sig_18_Blood.CHIP_PON.merged.vcf.gz
  Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/10/4749a68411a85c220e07454e383082/.command.sh
  Downloading: s3://natera-platform-sandbox/pipeline-resources/ngi-igenomes/igenomes/Homo_sapiens/GATK/GRCh38/Annotation/CHIP/gene_tiers.tsv
  Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/81/c47e3aa2313923675aa2c6592a8958/Sig_18_Blood.CHIP_PON.merged.vcf.gz.tbi
  Downloading: s3://natera-platform-sandbox/pipeline-resources/ngi-igenomes/igenomes/Homo_sapiens/GATK/GRCh38/Annotation/CHIP/cohort_blacklist.bed.gz
  Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/10/4749a68411a85c220e07454e383082/.command.run
  Downloading: s3://natera-platform-sandbox/pipeline-resources/ngi-igenomes/igenomes/Homo_sapiens/GATK/GRCh38/Annotation/CHIP/gene_family_blacklist.bed.gz
  Downloading: s3://natera-platform-sandbox/pipeline-resources/ngi-igenomes/igenomes/Homo_sapiens/GATK/GRCh38/Annotation/CHIP/encode_blacklist.bed.gz
==> STAGING COMPLETE (8 inputs)

[INFO] Loading resources...
[INFO] Cohort blacklist: 68611 positions
[INFO] Gene-family blacklist: 76473 positions
[INFO] ENCODE blacklist: 636 intervals
[INFO] Gene tiers: 19423 genes, max_tier=2
[INFO] Pre-filter: 0 PASS, 321 FAIL, 321 total
[INFO] Survivors BED: 0 sites written to Sig_18_Blood.survivors.bed
[INFO]   no_functional_impact: 242
[INFO]   hard_filter_reject: 50
[INFO]   cohort_blacklist: 19
[INFO]   gene_not_in_universe: 8
[INFO]   pon_artifact: 1
[INFO]   gene_family_blacklist: 1