- content:
  - invariant:
      ensures: ((((n < \result) || (m != 0)) && ((0 < m) || (m == 0))))
      format: acsl_expression
      location:
        file_name: null
        function: ackermann
        line: 16
      requires: (1)
      type: function_contract
  entry_type: invariant_set
  metadata:
    format_version: '3.0'
