(command.CommandList
  children: [
    (command.ShFunction
      name: force_state_change
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.LogicalAnd
                      left: 
                        (bool_expr.Binary
                          op_id: Id.BoolBinary_GlobNEqual
                          left: {($ Id.VSub_Number 2)}
                          right: {(DQ <online>)}
                        )
                      right: 
                        (bool_expr.Binary
                          op_id: Id.BoolBinary_GlobNEqual
                          left: {($ Id.VSub_Number 2)}
                          right: {(DQ <offline>)}
                        )
                    )
                  redirects: []
                )
                (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
              ]
            )
            (command.Pipeline
              children: [
                (C {<th_manage>} {($ Id.VSub_Number 1)} {<getstate>})
                (C {<read>} {<path>} {<state>} {<busy>})
              ]
              negated: F
              stderr_indices: []
            )
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobNEqual
                      left: {($ Id.VSub_QMark '?')}
                      right: {<0>}
                    )
                  redirects: []
                )
                (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
              ]
            )
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobEqual
                      left: {(DQ ($ Id.VSub_DollarName state))}
                      right: {(DQ ($ Id.VSub_Number 2))}
                    )
                  redirects: []
                )
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<0>}
                )
              ]
            )
            (C {<th_manage>} {($ Id.VSub_Number 1)} {($ Id.VSub_Number 2)})
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobNEqual
                      left: {($ Id.VSub_QMark '?')}
                      right: {<0>}
                    )
                  redirects: []
                )
                (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
              ]
            )
            (command.Pipeline
              children: [
                (C {<th_manage>} {($ Id.VSub_Number 1)} {<getstate>})
                (C {<read>} {<path>} {<state>} {<busy>})
              ]
              negated: F
              stderr_indices: []
            )
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobNEqual
                      left: {($ Id.VSub_QMark '?')}
                      right: {<0>}
                    )
                  redirects: []
                )
                (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
              ]
            )
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobNEqual
                      left: {(DQ ($ Id.VSub_DollarName state))}
                      right: {(DQ ($ Id.VSub_Number 2))}
                    )
                  redirects: []
                )
                (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
              ]
            )
            (command.ControlFlow token:<Id.ControlFlow_Return return> arg_word:{<0>})
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'script_pid='> name:script_pid)
          op: assign_op.Equal
          rhs: {<0>}
          spids: [263]
        )
      ]
      redirects: []
    )
    (C {<trap>} {(SQ <' terminate $script_pid '>)} {<1>} {<2>} {<3>} {<15>})
    (command.ShFunction
      name: terminate
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_gt
                      left: {($ Id.VSub_Number 1)}
                      right: {<0>}
                    )
                  redirects: []
                )
                (command.Simple
                  words: [{<kill>} {($ Id.VSub_Number 1)}]
                  redirects: [
                    (redir
                      op: <Id.Redir_Great '>'>
                      loc: (redir_loc.Fd fd:1)
                      arg: {<'/dev/null'>}
                    )
                    (redir
                      op: <Id.Redir_GreatAnd '2>&'>
                      loc: (redir_loc.Fd fd:2)
                      arg: {<1>}
                    )
                  ]
                  more_env: []
                  do_fork: T
                )
              ]
            )
            (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name: control_workload
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (C {<fixup_script>} {<1>})
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (C {<Id.Lit_LBracket '['>} {($ Id.VSub_QMark '?')} 
                              {<Id.Lit_Equals '='> <Id.Lit_Equals '='>} {<0>} {<Id.Lit_RBracket ']'>}
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [(command.ControlFlow token:<Id.ControlFlow_Return return>)]
                  spids: [357 371]
                )
              ]
              else_action: []
              redirects: []
            )
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              expr: 
                                (bool_expr.Binary
                                  op_id: Id.BoolBinary_gt
                                  left: {($ Id.VSub_Number 2)}
                                  right: {<0>}
                                )
                              redirects: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (command.Simple
                      words: [{<kill>} {($ Id.VSub_Number 2)}]
                      redirects: [
                        (redir
                          op: <Id.Redir_Great '>'>
                          loc: (redir_loc.Fd fd:1)
                          arg: {<'/dev/null'>}
                        )
                        (redir
                          op: <Id.Redir_GreatAnd '2>&'>
                          loc: (redir_loc.Fd fd:2)
                          arg: {<1>}
                        )
                      ]
                      more_env: []
                      do_fork: T
                    )
                  ]
                  spids: [398 411]
                )
              ]
              else_action: []
              redirects: []
            )
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (C {<Id.Lit_LBracket '['>} {($ Id.VSub_Pound '#')} {<-lt>} {<2>} 
                              {<Id.Lit_RBracket ']'>}
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (C {<echo>} {<syntax> <Id.Lit_Colon ':'>} {($ Id.VSub_Number 0)} {<path>} {<pid>})
                  ]
                  spids: [429 442]
                )
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (C {<Id.Lit_LBracket '['>} {($ Id.VSub_DollarName DRIVER_UNCONFIGURE)} 
                              {<Id.Lit_Equals '='>} {<1>} {<Id.Lit_RBracket ']'>}
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (command.Sentence
                      child: (C {<Id.Lit_Colon ':'>} {<no>} {<unconfigure>} {<action>} {<required>})
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  spids: [457 470]
                )
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (C {<Id.Lit_LBracket '['>} {($ Id.VSub_DollarName DRIVER_CONFIGURE)} 
                              {<Id.Lit_Equals '='>} {<1>} {<Id.Lit_RBracket ']'>}
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (command.Sentence
                      child: 
                        (command.WhileUntil
                          keyword: <Id.KW_While while>
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: (C {<Id.Lit_LBracket '['>} {<1>} {<Id.Lit_RBracket ']'>})
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          body: 
                            (command.DoGroup
                              children: [
                                (C {<sleep>} {<2>})
                                (C {<force_state_change>} {($ Id.VSub_Number 1)} {<offline>})
                                (C {<force_state_change>} {($ Id.VSub_Number 1)} {<online>})
                              ]
                            )
                          redirects: []
                        )
                      terminator: <Id.Op_Amp _>
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'script_pid='> name:script_pid)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_Bang '!')}
                          spids: [538]
                        )
                      ]
                      redirects: []
                    )
                  ]
                  spids: [486 499]
                )
              ]
              else_action: []
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name: prepare_for_errdef
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (C {<export>} {<Id.Lit_VarLike 'DRIVER_PATH='> ($ Id.VSub_Number 1)})
            (C {<export>} {<Id.Lit_VarLike 'DRIVER_NAME='> ($ Id.VSub_Number 2)})
            (C {<export>} {<Id.Lit_VarLike 'DRIVER_INSTANCE='> ($ Id.VSub_Number 3)})
            (C {<export>} {<Id.Lit_VarLike 'DRIVER_UNCONFIGURE='> <1>})
            (C {<export>} {<Id.Lit_VarLike 'DRIVER_CONFIGURE='> <0>})
            (C {<control_workload>} {($ Id.VSub_Number 1)} {($ Id.VSub_DollarName script_pid)})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'script_pid='> name:script_pid)
                  op: assign_op.Equal
                  rhs: {<0>}
                  spids: [600]
                )
              ]
              redirects: []
            )
            (command.Simple
              words: [{<th_manage>} {($ Id.VSub_Number 2)} {($ Id.VSub_Number 3)} {<get_handles>}]
              redirects: [
                (redir
                  op: <Id.Redir_Great '>'>
                  loc: (redir_loc.Fd fd:1)
                  arg: {<'/dev/null'>}
                )
                (redir op:<Id.Redir_GreatAnd '2>&'> loc:(redir_loc.Fd fd:2) arg:{<1>})
              ]
              more_env: []
              do_fork: T
            )
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobNEqual
                      left: {($ Id.VSub_QMark '?')}
                      right: {<0>}
                    )
                  redirects: []
                )
                (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
              ]
            )
            (C {<force_state_change>} {($ Id.VSub_Number 1)} {<offline>})
            (C {<force_state_change>} {($ Id.VSub_Number 1)} {<online>})
            (C {<export>} {<Id.Lit_VarLike 'DRIVER_UNCONFIGURE='> <0>})
            (C {<export>} {<Id.Lit_VarLike 'DRIVER_CONFIGURE='> <1>})
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobDEqual
                      left: {($ Id.VSub_Number 4)}
                      right: {<1>}
                    )
                  redirects: []
                )
                (C {<control_workload>} {($ Id.VSub_Number 1)} {($ Id.VSub_DollarName script_pid)})
              ]
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name: monitor_edef
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (C {<let>} {<Id.Lit_VarLike 'aborted='> <0>})
            (C {<trap>} {(SQ <' (( aborted += 1 )) '>)} {<16>})
            (C {<sleep>} {<2>})
            (C {<th_manage>} {($ Id.VSub_Number 1)} {($ Id.VSub_Number 2)} {<start>})
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobNEqual
                      left: {($ Id.VSub_QMark '?')}
                      right: {<0>}
                    )
                  redirects: []
                )
                (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
              ]
            )
            (C {<let>} {<Id.Lit_VarLike 's='> <0>})
            (C {<let>} {<Id.Lit_VarLike 'x='> ($ Id.VSub_Number 3)})
            (C {<set>} {<-A>} {<stats>} {<0>} {<0>} {<1>} {<0>} {<0>} {<0>} {<0>} {(DQ )})
            (command.WhileUntil
              keyword: <Id.KW_While while>
              cond: 
                (condition.Shell
                  commands: [
                    (command.DParen
                      child: 
                        (arith_expr.Binary
                          op_id: Id.Arith_GreatEqual
                          left: 
                            (arith_expr.BinaryAssign
                              op_id: Id.Arith_MinusEqual
                              left: ($ Id.Lit_ArithVarLike x)
                              right: {<Id.Lit_Digits 1>}
                            )
                          right: {<Id.Lit_Digits 0>}
                        )
                      redirects: []
                    )
                  ]
                )
              body: 
                (command.DoGroup
                  children: [
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DParen
                          child: 
                            (arith_expr.Binary
                              op_id: Id.Arith_Great
                              left: ($ Id.Lit_ArithVarLike aborted)
                              right: {<Id.Lit_Digits 0>}
                            )
                          redirects: []
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Break break>
                        )
                      ]
                    )
                    (C {<read>} {<line>})
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (C {<Id.Lit_LBracket '['>} {<-z>} {(DQ ($ Id.VSub_DollarName line))} 
                          {<Id.Lit_RBracket ']'>}
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Break break>
                        )
                      ]
                    )
                    (C {<set>} {<-A>} {<stats>} 
                      {
                        (command_sub
                          left_token: <Id.Left_DollarParen '$('>
                          child: 
                            (command.Pipeline
                              children: [
                                (C {<echo>} {(DQ ($ Id.VSub_DollarName line))})
                                (C {<'/usr/bin/awk'>} {<-F> <Id.Lit_Colon ':'>} 
                                  {(SQ <'{for (i = 1; i <= NF; i++) print $i}'>)}
                                )
                              ]
                              negated: F
                              stderr_indices: []
                            )
                          right: <Id.Eof_RParen _>
                        )
                      }
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (C {<Id.Lit_LBracket '['>} 
                          {
                            (DQ 
                              (braced_var_sub
                                left: <Id.Left_DollarBrace '${'>
                                token: <Id.VSub_Name stats>
                                var_name: stats
                                bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 6>})
                                right: <Id.Right_DollarBrace '}'>
                              )
                            )
                          } {<-ne>} {(DQ <0>)} {<Id.Lit_RBracket ']'>}
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Break break>
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp Id.Op_DAmp]
                      children: [
                        (C {<Id.Lit_LBracket '['>} 
                          {
                            (DQ 
                              (braced_var_sub
                                left: <Id.Left_DollarBrace '${'>
                                token: <Id.VSub_Name stats>
                                var_name: stats
                                bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 3>})
                                right: <Id.Right_DollarBrace '}'>
                              )
                            )
                          } {<Id.Lit_Equals '='>} {(DQ <0>)} {<Id.Lit_RBracket ']'>}
                        )
                        (command.DParen
                          child: 
                            (arith_expr.Binary
                              op_id: Id.Arith_Great
                              left: 
                                (arith_expr.BinaryAssign
                                  op_id: Id.Arith_PlusEqual
                                  left: ($ Id.Lit_ArithVarLike s)
                                  right: {<Id.Lit_Digits 1>}
                                )
                              right: {<Id.Lit_Digits 3>}
                            )
                          redirects: []
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Break break>
                        )
                      ]
                    )
                  ]
                )
              redirects: []
            )
            (C {<th_manage>} {($ Id.VSub_Number 1)} {($ Id.VSub_Number 2)} {<clear_errdefs>})
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobNEqual
                      left: {($ Id.VSub_QMark '?')}
                      right: {<0>}
                    )
                  redirects: []
                )
                (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
              ]
            )
            (C {<echo>} 
              {
                (DQ 
                  (braced_var_sub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Name stats>
                    var_name: stats
                    bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                    right: <Id.Right_DollarBrace '}'>
                  )
                )
              }
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name: run_subtest
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (C {<let>} {<Id.Lit_VarLike 'edefid='> <0>})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'drv='> name:drv)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_Number 1)}
                  spids: [1042]
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'inst='> name:inst)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_Number 2)}
                  spids: [1046]
                )
              ]
              redirects: []
            )
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (C {<Id.Lit_LBracket '['>} {($ Id.VSub_DollarName devpath)} 
                          {<Id.Lit_Equals '='>} {(DQ <NULL>)} {<Id.Lit_RBracket ']'>}
                        )
                      ]
                    )
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'path='> name:path)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (command_sub
                                left_token: <Id.Left_DollarParen '$('>
                                child: 
                                  (C {<th_manage>} {($ Id.VSub_Number 1)} {($ Id.VSub_Number 2)} 
                                    {<getpath>}
                                  )
                                right: <Id.Eof_RParen _>
                              )
                            }
                          spids: [1068]
                        )
                      ]
                      redirects: []
                    )
                  ]
                  spids: [1050 1065]
                )
              ]
              else_action: [
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'path='> name:path)
                      op: assign_op.Equal
                      rhs: {($ Id.VSub_DollarName devpath)}
                      spids: [1083]
                    )
                  ]
                  redirects: []
                )
              ]
              redirects: []
            )
            (command.WhileUntil
              keyword: <Id.KW_While while>
              cond: (condition.Shell commands:[(C {<read>} {<line>})])
              body: 
                (command.DoGroup
                  children: [
                    (C {<set>} {<-->} 
                      {
                        (command_sub
                          left_token: <Id.Left_DollarParen '$('>
                          child: 
                            (command.Pipeline
                              children: [
                                (C {<echo>} {(DQ ($ Id.VSub_DollarName line))})
                                (C {<'/usr/bin/awk'>} {(SQ <'{for (i = 1; i <= NF; i++) print $i}'>)})
                              ]
                              negated: F
                              stderr_indices: []
                            )
                          right: <Id.Eof_RParen _>
                        )
                      }
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'w='> name:w)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (braced_var_sub
                                left: <Id.Left_DollarBrace '${'>
                                token: <Id.VSub_Name line>
                                var_name: line
                                suffix_op: 
                                  (suffix_op.Unary
                                    op: <Id.VOp1_DPound '##'>
                                    arg_word: {<Id.Lit_Other '*'> (DQ <'-w '>)}
                                  )
                                right: <Id.Right_DollarBrace '}'>
                              )
                            }
                          spids: [1123]
                        )
                      ]
                      redirects: []
                    )
                    (C {<let>} 
                      {<Id.Lit_VarLike 'a='> 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Name w>
                          var_name: w
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VOp1_DPercent '%%'>
                              arg_word: {(DQ <' '>) <Id.Lit_Other '*'>}
                            )
                          right: <Id.Right_DollarBrace '}'>
                        )
                      }
                    )
                    (C {<let>} 
                      {<Id.Lit_VarLike 'b='> 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Name w>
                          var_name: w
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VOp1_DPound '##'>
                              arg_word: {<Id.Lit_Other '*'> (DQ <' '>)}
                            )
                          right: <Id.Right_DollarBrace '}'>
                        )
                      }
                    )
                    (C {<let>} {<Id.Lit_VarLike 'x='> (SQ <'a / b'>)})
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DParen
                          child: 
                            (arith_expr.Binary
                              op_id: Id.Arith_Great
                              left: 
                                (arith_expr.Binary
                                  op_id: Id.Arith_Percent
                                  left: ($ Id.Lit_ArithVarLike a)
                                  right: ($ Id.Lit_ArithVarLike b)
                                )
                              right: {<Id.Lit_Digits 0>}
                            )
                          redirects: []
                        )
                        (command.DParen
                          child: 
                            (arith_expr.BinaryAssign
                              op_id: Id.Arith_PlusEqual
                              left: ($ Id.Lit_ArithVarLike x)
                              right: {<Id.Lit_Digits 1>}
                            )
                          redirects: []
                        )
                      ]
                    )
                    (C {<prepare_for_errdef>} {($ Id.VSub_DollarName path)} {($ Id.VSub_DollarName drv)} 
                      {($ Id.VSub_DollarName inst)} {<1>}
                    )
                    (C {<set>} {<-A>} {<status>} 
                      {
                        (command_sub
                          left_token: <Id.Left_DollarParen '$('>
                          child: 
                            (command.Pipeline
                              children: [
                                (command.Simple
                                  words: [{<th_define>} {($ Id.VSub_Star '*')}]
                                  redirects: [
                                    (redir
                                      op: <Id.Redir_Great '2>'>
                                      loc: (redir_loc.Fd fd:2)
                                      arg: {<'./elog'>}
                                    )
                                  ]
                                  more_env: []
                                  do_fork: T
                                )
                                (C {<monitor_edef>} {($ Id.VSub_DollarName drv)} 
                                  {($ Id.VSub_DollarName inst)} {($ Id.VSub_DollarName x)}
                                )
                              ]
                              negated: F
                              stderr_indices: []
                            )
                          right: <Id.Eof_RParen _>
                        )
                      }
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            left: <Id.Left_DollarBrace '${'>
                                            token: <Id.VSub_Name status>
                                            var_name: status
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {<Id.Lit_Digits 2>}
                                              )
                                            right: <Id.Right_DollarBrace '}'>
                                          )
                                        )
                                      } {<-gt>} {<0>} {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'res='> name:res)
                                  op: assign_op.Equal
                                  rhs: {(DQ <'test not triggered'>)}
                                  spids: [1259]
                                )
                              ]
                              redirects: []
                            )
                          ]
                          spids: [1236 1256]
                        )
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            left: <Id.Left_DollarBrace '${'>
                                            token: <Id.VSub_Name status>
                                            var_name: status
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {<Id.Lit_Digits 1>}
                                              )
                                            right: <Id.Right_DollarBrace '}'>
                                          )
                                        )
                                      } {<-eq>} {<0>} {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'res='> name:res)
                                  op: assign_op.Equal
                                  rhs: {(DQ <'success (error undetected)'>)}
                                  spids: [1288]
                                )
                              ]
                              redirects: []
                            )
                          ]
                          spids: [1265 1285]
                        )
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            left: <Id.Left_DollarBrace '${'>
                                            token: <Id.VSub_Name status>
                                            var_name: status
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {<Id.Lit_Digits 1>}
                                              )
                                            right: <Id.Right_DollarBrace '}'>
                                          )
                                        )
                                      } {<-gt>} {<0>} {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (command.If
                              arms: [
                                (if_arm
                                  cond: 
                                    (condition.Shell
                                      commands: [
                                        (command.Sentence
                                          child: 
                                            (C {<Id.Lit_LBracket '['>} 
                                              {
                                                (DQ 
                                                  (braced_var_sub
                                                    left: <Id.Left_DollarBrace '${'>
                                                    token: <Id.VSub_Name status>
                                                    var_name: status
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: {<Id.Lit_Digits 6>}
                                                      )
                                                    right: <Id.Right_DollarBrace '}'>
                                                  )
                                                )
                                              } {<-eq>} {<16>} {<Id.Lit_RBracket ']'>}
                                            )
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                    )
                                  action: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: 
                                            (sh_lhs_expr.Name
                                              left: <Id.Lit_VarLike 'res='>
                                              name: res
                                            )
                                          op: assign_op.Equal
                                          rhs: {(DQ <'failure (no service impact reported)'>)}
                                          spids: [1340]
                                        )
                                      ]
                                      redirects: []
                                    )
                                  ]
                                  spids: [1317 1337]
                                )
                              ]
                              else_action: [
                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'res='> name:res)
                                      op: assign_op.Equal
                                      rhs: {(DQ <'success (error reported)'>)}
                                      spids: [1349]
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              redirects: []
                            )
                          ]
                          spids: [1294 1314]
                        )
                      ]
                      else_action: [
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'res='> name:res)
                              op: assign_op.Equal
                              rhs: (rhs_word.Empty)
                              spids: [1361]
                            )
                          ]
                          redirects: []
                        )
                      ]
                      redirects: []
                    )
                    (C {<echo>} 
                      {
                        (DQ <'Subtest '> ($ Id.VSub_DollarName edefid) <': Result: '> 
                          (word_part.EscapedLiteral
                            token: <Id.Lit_EscapedChar '\\"'>
                            ch: '"'
                          ) ($ Id.VSub_DollarName res) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"')
                        )
                      }
                    )
                    (C {<echo>} {($ Id.VSub_DollarName line)})
                    (command.If
                      arms: [
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} {<-n>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            left: <Id.Left_DollarBrace '${'>
                                            token: <Id.VSub_Name status>
                                            var_name: status
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {<Id.Lit_Digits 7>}
                                              )
                                            right: <Id.Right_DollarBrace '}'>
                                          )
                                        )
                                      } {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (C {<let>} {<Id.Lit_VarLike 'i='> <6>})
                            (C {<let>} 
                              {<Id.Lit_VarLike 'l='> 
                                (braced_var_sub
                                  left: <Id.Left_DollarBrace '${'>
                                  token: <Id.VSub_Name status>
                                  var_name: status
                                  prefix_op: <Id.VSub_Pound '#'>
                                  bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                                  right: <Id.Right_DollarBrace '}'>
                                )
                              }
                            )
                            (C {<echo>} 
                              {
                                (DQ <'\tFail Msg  :'> <Id.Lit_BadBackslash '\\'> <t> 
                                  <Id.Lit_BadBackslash '\\'> <c>
                                )
                              }
                            )
                            (command.WhileUntil
                              keyword: <Id.KW_While while>
                              cond: 
                                (condition.Shell
                                  commands: [
                                    (command.DParen
                                      child: 
                                        (arith_expr.Binary
                                          op_id: Id.Arith_LessEqual
                                          left: 
                                            (arith_expr.BinaryAssign
                                              op_id: Id.Arith_PlusEqual
                                              left: ($ Id.Lit_ArithVarLike i)
                                              right: {<Id.Lit_Digits 1>}
                                            )
                                          right: ($ Id.Lit_ArithVarLike l)
                                        )
                                      redirects: []
                                    )
                                  ]
                                )
                              body: 
                                (command.DoGroup
                                  children: [
                                    (C {<echo>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            left: <Id.Left_DollarBrace '${'>
                                            token: <Id.VSub_Name status>
                                            var_name: status
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {($ Id.VSub_DollarName i)}
                                              )
                                            right: <Id.Right_DollarBrace '}'>
                                          ) <' '> <Id.Lit_BadBackslash '\\'> <c>
                                        )
                                      }
                                    )
                                  ]
                                )
                              redirects: []
                            )
                            (C {<echo>} {(DQ )})
                          ]
                          spids: [1384 1402]
                        )
                      ]
                      else_action: []
                      redirects: []
                    )
                    (C {<echo>} 
                      {
                        (DQ <Id.Lit_BadBackslash '\\'> <'tFail Time :'> <Id.Lit_BadBackslash '\\'> <t> 
                          (braced_var_sub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name status>
                            var_name: status
                            bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 0>})
                            right: <Id.Right_DollarBrace '}'>
                          ) <Id.Lit_BadBackslash '\\'> <'tMsg Time  :'> <Id.Lit_BadBackslash '\\'> <t> 
                          (braced_var_sub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name status>
                            var_name: status
                            bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 1>})
                            right: <Id.Right_DollarBrace '}'>
                          )
                        )
                      }
                    )
                    (C {<echo>} 
                      {
                        (DQ <Id.Lit_BadBackslash '\\'> <'tAcc count :'> <Id.Lit_BadBackslash '\\'> <t> 
                          (braced_var_sub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name status>
                            var_name: status
                            bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 2>})
                            right: <Id.Right_DollarBrace '}'>
                          ) <Id.Lit_BadBackslash '\\'> <'tFail count:'> <Id.Lit_BadBackslash '\\'> <t> 
                          (braced_var_sub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name status>
                            var_name: status
                            bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 3>})
                            right: <Id.Right_DollarBrace '}'>
                          )
                        )
                      }
                    )
                    (C {<echo>} 
                      {
                        (DQ <Id.Lit_BadBackslash '\\'> <'tAccess Chk:'> <Id.Lit_BadBackslash '\\'> <t> 
                          (braced_var_sub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name status>
                            var_name: status
                            bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 4>})
                            right: <Id.Right_DollarBrace '}'>
                          ) <Id.Lit_BadBackslash '\\'> <'tEmsg count:'> <Id.Lit_BadBackslash '\\'> <t> 
                          (braced_var_sub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name status>
                            var_name: status
                            bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 5>})
                            right: <Id.Right_DollarBrace '}'>
                          )
                        )
                      }
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            left: <Id.Left_DollarBrace '${'>
                                            token: <Id.VSub_Name status>
                                            var_name: status
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {<Id.Lit_Digits 6>}
                                              )
                                            right: <Id.Right_DollarBrace '}'>
                                          )
                                        )
                                      } {<-eq>} {<0>} {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (C {<echo>} 
                              {
                                (DQ <Id.Lit_BadBackslash '\\'> <'tSeverity:'> 
                                  <Id.Lit_BadBackslash '\\'> <'tSERVICE UNAFFECTED'>
                                )
                              }
                            )
                          ]
                          spids: [1562 1582]
                        )
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            left: <Id.Left_DollarBrace '${'>
                                            token: <Id.VSub_Name status>
                                            var_name: status
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {<Id.Lit_Digits 6>}
                                              )
                                            right: <Id.Right_DollarBrace '}'>
                                          )
                                        )
                                      } {<-eq>} {<-16>} {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (C {<echo>} 
                              {
                                (DQ <Id.Lit_BadBackslash '\\'> <'tSeverity:'> 
                                  <Id.Lit_BadBackslash '\\'> <'tSERVICE DEGRADED'>
                                )
                              }
                            )
                          ]
                          spids: [1595 1615]
                        )
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            left: <Id.Left_DollarBrace '${'>
                                            token: <Id.VSub_Name status>
                                            var_name: status
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {<Id.Lit_Digits 6>}
                                              )
                                            right: <Id.Right_DollarBrace '}'>
                                          )
                                        )
                                      } {<-eq>} {<-32>} {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (C {<echo>} 
                              {
                                (DQ <Id.Lit_BadBackslash '\\'> <'tSeverity:'> 
                                  <Id.Lit_BadBackslash '\\'> <'tSERVICE LOST'>
                                )
                              }
                            )
                          ]
                          spids: [1628 1648]
                        )
                      ]
                      else_action: []
                      redirects: []
                    )
                    (command.DParen
                      child: 
                        (arith_expr.BinaryAssign
                          op_id: Id.Arith_PlusEqual
                          left: ($ Id.Lit_ArithVarLike edefid)
                          right: {<Id.Lit_Digits 1>}
                        )
                      redirects: []
                    )
                  ]
                )
              redirects: []
            )
            (C {<fixup_script>} {<0>})
            (C {<prepare_for_errdef>} {($ Id.VSub_DollarName path)} {($ Id.VSub_DollarName drv)} 
              {($ Id.VSub_DollarName inst)} {<0>}
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
  ]
)