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|
(tag_existing
(
(ent entity STRUCT_ENTITY)
(reg waveform STRUCT_SIMPLE_FLIP_FLOP_OUTPUT)
(clk waveform STRUCT_SIMPLE_FLIP_FLOP_CLOCK)
(ps process STRUCT_SIMPLE_FLIP_FLOP_PROCESS)
)
(and
(is_explicit_process ps)
;; debt: ))
;; Get ps instance
(exists i_ps ps_instance
(and
(is_visible_in i_ps ent)
(is_ps_instance_of i_ps ps)
;; debt: )) ))
;; Get a local waveform matching a clk instance
(exists i_clk wfm_instance
(and
(process_instance_maps i_ps i_clk _)
;; (is_visible_in i_clk ent)
(is_wfm_instance_of i_clk clk)
(exists local_clk waveform
(and
(process_instance_maps i_ps i_clk local_clk)
(is_in_sensitivity_list local_clk ps)
;; debt: )))) ))))
;; Get a local waveform matching a reg instance
(exists i_reg wfm_instance
(and
(process_instance_maps i_ps i_reg _)
;; (is_visible_in i_reg ent)
(is_wfm_instance_of i_reg reg)
(exists local_reg waveform
(and
(process_instance_maps i_ps i_reg local_reg)
;; debt: )))) ))))))))
;; Analyze ps using the local waveforms
(CTL_verifies ps
(AF
(and
(kind "if")
(or
(and
(is_read_structure "(??)")
(or
(is_read_element "0" "falling_edge")
(is_read_element "0" "rising_edge")
)
(is_read_element "1" local_clk)
)
(and
(is_read_structure "(?(??)(???))")
(is_read_element "0" "and")
(is_read_element "1" "event")
(is_read_element "2" local_clk)
(is_read_element "3" "=")
(or
(is_read_element "4" local_clk)
(is_read_element "5" local_clk)
)
)
(and
(is_read_structure "(?(???)(??))")
(is_read_element "0" "and")
(is_read_element "1" "=")
(or
(is_read_element "2" local_clk)
(is_read_element "3" local_clk)
)
(is_read_element "4" "event")
(is_read_element "5" local_clk)
)
)
(EX
(and
(has_option "COND_WAS_TRUE")
(does_not_reach_parent_before
(and
(expr_writes local_reg)
(AX
(not
(EF
(expr_writes local_reg)
)
)
)
)
)
)
)
)
)
)
))))))))))))
|
