{
 "task": "G0004",
 "mutants": [
  {
   "object": "{{P}}STOCK_AGE",
   "mutant": "line 55: = -> <> (eq)",
   "status": "invalid",
   "hidden": "0/0",
   "failed_tests": []
  },
  {
   "object": "{{P}}STOCK_AGE",
   "mutant": "line 66: + -> - (arith)",
   "status": "killed",
   "hidden": "9/10",
   "failed_tests": [
    "TOTAL_GROUPS_BY_MATERIAL"
   ]
  },
  {
   "object": "{{P}}STOCK_AGE",
   "mutant": "line 74: OR -> AND (logic)",
   "status": "killed",
   "hidden": "8/10",
   "failed_tests": [
    "INVALID_ROWS_ARE_IGNORED",
    "TOTAL_IGNORES_INVALID_ROWS"
   ]
  },
  {
   "object": "{{P}}STOCK_AGE",
   "mutant": "line 77: - -> + (arith)",
   "status": "killed",
   "hidden": "6/10",
   "failed_tests": [
    "BUCKET_BOUNDARIES",
    "GROUPS_SUM_QUANTITY_AND_COUNT",
    "RESULT_IS_SORTED",
    "SINGLE_BATCH_BUCKET_01"
   ]
  },
  {
   "object": "{{P}}STOCK_AGE",
   "mutant": "line 82: <= -> > (rel)",
   "status": "killed",
   "hidden": "6/10",
   "failed_tests": [
    "BUCKET_BOUNDARIES",
    "GROUPS_SUM_QUANTITY_AND_COUNT",
    "RESULT_IS_SORTED",
    "SINGLE_BATCH_BUCKET_01"
   ]
  }
 ],
 "valid": 4,
 "killed": 4,
 "kill_rate": 1.0,
 "ok": true
}