{
  "problem": 7,
  "title": "Mine Operation and Irreversible Closure",
  "objective": 20.67693463561232,
  "objective_units": "million USD, discounted to time zero",
  "sense": "maximize",
  "termination": "optimal",
  "max_violation": 0.0,
  "domain_checks": "passed",
  "pyomo": "6.10.1",
  "highspy": "1.15.1"
}