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blob: bc83c8c484e30cfe8ebeeb1dc11721d5c6d2218b (plain)
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(tag_existing
   (
      (x_re waveform CNE_01700_HAS_BAD_NAME)
   )
   (and
      (not (string_matches [identifier [is_waveform_of x_re]] ".*_re"))
      (exists x waveform
         (exists x_r1 waveform
            (and
               (exists ps2 process
                  (and
                     (is_in_sensitivity_list x_r1 ps2)
                     (is_in_sensitivity_list x ps2)
                     (is_accessed_by x_re ps2)
                     (CTL_verifies ps2
                        (AF
                           (and
                              (expr_writes x_re)
                              (is_read_element "0" "and")
                              (or
                                 (and
                                    (is_read_structure "(?(??)?)")
                                    (is_read_element "1" "not")
                                    (is_read_element "2" x_r1)
                                    (is_read_element "3" x)
                                 )
                                 (and
                                    (is_read_structure "(??(??))")
                                    (is_read_element "1" x)
                                    (is_read_element "2" "not")
                                    (is_read_element "3" x_r1)
                                 )
                              )
                              (AX
                                 (not
                                    (EF
                                       (expr_writes x_r1)
                                    )
                                 )
                              )
                           )
                        )
                     )
                  )
               )
               (exists ps1 process
                  (and
                     (is_accessed_by x_r1 ps1)
                     (is_accessed_by x ps1)
                     (is_explicit_process ps1)
                     (exists clk1 waveform
                        (and
                           (is_in_sensitivity_list clk1 ps1)
                           (or
                              (CTL_verifies ps1
                                 (AF
                                    (and
                                       (kind "if")
                                       (is_read_structure "(??)")
                                       (or
                                          (is_read_element "0" "falling_edge")
                                          (is_read_element "0" "rising_edge")
                                       )
                                       (is_read_element "1" clk1)
                                       (EX
                                          (and
                                             (has_option "cond_was_true")
                                             (does_not_reach_parent_before
                                                (and
                                                   (expr_writes x_r1)
                                                   (is_read_structure "?")
                                                   (is_read_element "0" x)
                                                   (AX
                                                      (not
                                                         (EF
                                                            (expr_writes x_r1)
                                                         )
                                                      )
                                                   )
                                                )
                                             )
                                          )
                                       )
                                    )
                                 )
                              )
                              (exists rst1 waveform
                                 (and
                                    (is_in_sensitivity_list rst1 ps1)
                                    (CTL_verifies ps1
                                       (AF
                                          (and
                                             (kind "if")
                                             (is_read_structure "(???)")
                                             (is_read_element "0" "=")
                                             (is_read_element _ rst1)
                                             (EX
                                                (and
                                                   (not (has_option "cond_was_true"))
                                                   (kind "if")
                                                   (is_read_structure "(??)")
                                                   (or
                                                      (is_read_element "0" "falling_edge")
                                                      (is_read_element "0" "rising_edge")
                                                   )
                                                   (is_read_element "1" clk1)
                                                   (EX
                                                      (and
                                                         (has_option "cond_was_true")
                                                         (does_not_reach_parent_before
                                                            (and
                                                               (expr_writes x_r1)
                                                               (is_read_structure "?")
                                                               (is_read_element "0" x)
                                                               (AX
                                                                  (not
                                                                     (EF
                                                                        (expr_writes x_r1)
                                                                     )
                                                                  )
                                                               )
                                                            )
                                                         )
                                                      )
                                                   )
                                                )
                                             )
                                          )
                                       )
                                    )
                                 )
                              )
                           )
                        )
                     )
                  )
               )
            )
         )
      )
   )
)