{
 "task": "G1037",
 "mutants": [
  {
   "object": "{{P}}PIANO_PRICER",
   "mutant": "line 63: + -> - (arith)",
   "status": "killed",
   "hidden": "7/11",
   "failed_tests": [
    "CONCERT_GRAND",
    "DIGITAL_PIANO",
    "GRAND_PITCH_RAISE",
    "STUDIO_PIANO"
   ]
  },
  {
   "object": "{{P}}PIANO_PRICER",
   "mutant": "line 74: <= -> > (rel)",
   "status": "killed",
   "hidden": "5/11",
   "failed_tests": [
    "CONCERT_GRAND",
    "DIGITAL_PIANO",
    "GRAND_PITCH_RAISE",
    "STUDIO_PIANO",
    "TRAVEL_BEYOND_FREE",
    "UPRIGHT_BASIC"
   ]
  },
  {
   "object": "{{P}}PIANO_PRICER",
   "mutant": "line 77: * -> / (arith)",
   "status": "killed",
   "hidden": "8/11",
   "failed_tests": [
    "CONCERT_GRAND",
    "GRAND_PITCH_RAISE",
    "STUDIO_PIANO"
   ]
  },
  {
   "object": "{{P}}PIANO_PRICER",
   "mutant": "line 82: <= -> > (rel)",
   "status": "killed",
   "hidden": "6/11",
   "failed_tests": [
    "CONCERT_GRAND",
    "GRAND_PITCH_RAISE",
    "STUDIO_PIANO",
    "TRAVEL_BEYOND_FREE",
    "UPRIGHT_BASIC"
   ]
  },
  {
   "object": "{{P}}PIANO_PRICER",
   "mutant": "line 85: * -> / (arith)",
   "status": "killed",
   "hidden": "8/11",
   "failed_tests": [
    "CONCERT_GRAND",
    "STUDIO_PIANO",
    "TRAVEL_BEYOND_FREE"
   ]
  }
 ],
 "valid": 5,
 "killed": 5,
 "kill_rate": 1.0,
 "ok": true
}