F321 real-MPI checks, 2026-08-07 UTC

environment:
  uid=1000
  mpirun=Open MPI 4.1.6
  execution_timeout_sec=1
  max_idle_sec=1
  shutdown_grace_sec=5
  finalize_grace_sec=5

automated-gates:
  py_compile=pass
  ruff=pass
  targeted_pytest=107_passed_10_subtests_5.51s
  full_pytest=618_passed_38_subtests_82.66s

healthy-two-master:
  temp_dir=/tmp/symcc-f321-normal.Pg2OYy
  exit_code=0
  corpus_regular_files=12
  standalone_work_directories=0
  analysis_observations=12
  master_0_observations=6
  master_1_observations=6
  worker_shutdown_acks=6/6

staged-child-two-master:
  temp_dir=/tmp/symcc-f321-irreversible-commit.ybteXh
  exit_code=0
  corpus_regular_files=13
  standalone_work_directories=0
  analysis_observations=13
  generated_unique_children=1
  master_0_observations=7
  master_1_observations=6
  worker_shutdown_acks=6/6

staged-child-single-master:
  temp_dir=/tmp/symcc-f321-single-stage.UE3wwN
  exit_code=0
  corpus_regular_files=3
  standalone_work_directories=0
  analysis_observations=3
  generated_unique_children=1
  master_0_observations=3
  worker_shutdown_acks=2/2

corrupt-corpus-fail-closed:
  temp_dir=/tmp/symcc-f321-corrupt.hm0mz1
  exit_code=70
  expected_sha256=296d2b7cf9b0b70d9d915f72ce7b993a0f564838fa7576bb82faf20fcbebad47
  observed_sha256=1b5a2d2c5f5dce29936736a63fb08b39a3f6fadc5a36a4e9b19d229de13f781f
  standalone_work_directories=0
  analysis_observations=0
  worker_shutdown_acks=2/2