anchor.diff:          type(reference_t) :: reference
           type(qmc_state_t), pointer :: qmc_state_restart, qmc_state_out
   
  -        type(c_ptr) :: qs_ptr
           logical :: have_restart_state
   
           integer :: opts, err
  
positive.code: 
      end subroutine read_restart_in
  
  end module lua_hande_calc
  
negative.code:         ! See interface documentation for the relevant read_TYPE procedure to
          ! understand the options available within a given subtable.
  
          use, intrinsic :: iso_c_binding, only: c_ptr, c_int, c_loc
          use flu_binding, only: flu_State, flu_copyptr, flu_pushlightuserdata
          use aot_table_module, only: aot_table_top, aot_table_close
  
          use dmqmc_data, only: dmqmc_in_t
          use fciqmc, only: do_fciqmc
  