Unified Coverage Report :: Module :: prim_pulse_sync

Module : prim_pulse_sync

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_08_31/clkmgr-sim-vcs/default/sim-vcs/../src/lowrisc_prim_all_0.1/rtl/prim_pulse_sync.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.u_reg.u_io_meas_ctrl_en_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div2_meas_ctrl_en_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div4_meas_ctrl_en_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_main_meas_ctrl_en_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_usb_meas_ctrl_en_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_src_to_dst_req	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo_err_update_sync	100.00	100.00	100.00			100.00	100.00
tb.dut.u_io_meas.u_meas.u_sync_ref	100.00	100.00	100.00			100.00	100.00
tb.dut.u_io_div2_meas.u_meas.u_sync_ref	100.00	100.00	100.00			100.00	100.00
tb.dut.u_io_div4_meas.u_meas.u_sync_ref	100.00	100.00	100.00			100.00	100.00
tb.dut.u_main_meas.u_meas.u_sync_ref	100.00	100.00	100.00			100.00	100.00
tb.dut.u_usb_meas.u_meas.u_sync_ref	100.00	100.00	100.00			100.00	100.00

---

Module Instance : tb.dut.u_reg.u_io_meas_ctrl_en_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.43	100.00	85.71			100.00	100.00	u_io_meas_ctrl_en_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.92	100.00	91.67			100.00	100.00	u_io_meas_ctrl_shadowed_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
83.33	100.00	66.67					u_arb

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_en_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.43	100.00	85.71			100.00	100.00	u_io_div2_meas_ctrl_en_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.92	100.00	91.67			100.00	100.00	u_io_div2_meas_ctrl_shadowed_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
83.33	100.00	66.67					u_arb

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_en_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.43	100.00	85.71			100.00	100.00	u_io_div4_meas_ctrl_en_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.92	100.00	91.67			100.00	100.00	u_io_div4_meas_ctrl_shadowed_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
83.33	100.00	66.67					u_arb

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_main_meas_ctrl_en_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.43	100.00	85.71			100.00	100.00	u_main_meas_ctrl_en_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.92	100.00	91.67			100.00	100.00	u_main_meas_ctrl_shadowed_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
83.33	100.00	66.67					u_arb

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_usb_meas_ctrl_en_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.43	100.00	85.71			100.00	100.00	u_usb_meas_ctrl_en_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_src_to_dst_req

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.92	100.00	91.67			100.00	100.00	u_usb_meas_ctrl_shadowed_cdc

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
83.33	100.00	66.67					u_arb

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo_err_update_sync

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
100.00	100.00	100.00			100.00	100.00	u_reg

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_io_meas.u_meas.u_sync_ref

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
93.33	100.00	100.00		100.00	100.00	66.67	u_meas

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_io_div2_meas.u_meas.u_sync_ref

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
93.33	100.00	100.00		100.00	100.00	66.67	u_meas

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_io_div4_meas.u_meas.u_sync_ref

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
93.33	100.00	100.00		100.00	100.00	66.67	u_meas

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_main_meas.u_meas.u_sync_ref

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
93.33	100.00	100.00		100.00	100.00	66.67	u_meas

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

---

Module Instance : tb.dut.u_usb_meas.u_meas.u_sync_ref

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
93.33	100.00	100.00		100.00	100.00	66.67	u_meas

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
prim_flop_2sync	100.00	100.00				100.00

Line Coverage for Module : prim_pulse_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Module : prim_pulse_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Module : prim_pulse_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Module : prim_pulse_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	1405181484	458537	0	0
SrcPulseCheck_M	1222689847	456375	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1405181484	458537	0	0
T1	405114	398	0	0
T2	0	56	0	0
T3	0	424	0	0
T9	15157	10	0	0
T10	0	50	0	0
T11	0	262	0	0
T12	0	526	0	0
T13	0	68	0	0
T21	0	412	0	0
T36	0	102	0	0
T40	0	390	0	0
T52	0	654	0	0
T53	15263	0	0	0
T54	18581	0	0	0
T55	8045	0	0	0
T56	10661	0	0	0
T57	18202	0	0	0
T58	12843	0	0	0
T59	59251	0	0	0
T60	38607	0	0	0
T69	263982	0	0	0
T87	9077	1	0	0
T88	5260	1	0	0
T89	14543	1	0	0
T90	2985	1	0	0
T91	10342	2	0	0
T92	6188	2	0	0
T93	7484	4	0	0
T157	5731	2	0	0
T158	6026	1	0	0
T159	13024	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1222689847	456375	0	0
T1	249178	398	0	0
T2	0	56	0	0
T3	0	424	0	0
T9	21485	10	0	0
T10	0	50	0	0
T11	0	262	0	0
T12	0	526	0	0
T13	0	68	0	0
T21	0	412	0	0
T36	0	102	0	0
T40	0	390	0	0
T52	0	654	0	0
T53	4947	0	0	0
T54	6105	0	0	0
T55	4681	0	0	0
T56	4598	0	0	0
T57	5868	0	0	0
T58	7548	0	0	0
T59	14078	0	0	0
T60	11835	0	0	0
T69	27920	0	0	0
T87	7670	1	0	0
T88	4620	1	0	0
T89	13335	1	0	0
T90	5576	1	0	0
T91	19867	2	0	0
T92	5498	2	0	0
T93	3901	4	0	0
T157	2639	2	0	0
T158	5837	1	0	0
T159	5468	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	81499841	11711	0	0
SrcPulseCheck_M	39397092	11711	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	81499841	11711	0	0
T1	70871	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	8900	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	3807	0	0	0
T54	4620	0	0	0
T55	1696	0	0	0
T56	2475	0	0	0
T57	4344	0	0	0
T58	2597	0	0	0
T59	15434	0	0	0
T60	9655	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	11711	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	81499841	17411	0	0
SrcPulseCheck_M	39397092	17428	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	81499841	17411	0	0
T1	70871	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	8900	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	3807	0	0	0
T54	4620	0	0	0
T55	1696	0	0	0
T56	2475	0	0	0
T57	4344	0	0	0
T58	2597	0	0	0
T59	15434	0	0	0
T60	9655	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17428	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	17403	0	0
SrcPulseCheck_M	81499841	17411	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17403	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	81499841	17411	0	0
T1	70871	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	8900	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	3807	0	0	0
T54	4620	0	0	0
T55	1696	0	0	0
T56	2475	0	0	0
T57	4344	0	0	0
T58	2597	0	0	0
T59	15434	0	0	0
T60	9655	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39771598	11711	0	0
SrcPulseCheck_M	39397092	11711	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39771598	11711	0	0
T1	35396	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	2943	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	1857	0	0	0
T54	2257	0	0	0
T55	829	0	0	0
T56	1212	0	0	0
T57	2344	0	0	0
T58	1382	0	0	0
T59	7650	0	0	0
T60	4795	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	11711	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39771598	17401	0	0
SrcPulseCheck_M	39397092	17422	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39771598	17401	0	0
T1	35396	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	2943	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	1857	0	0	0
T54	2257	0	0	0
T55	829	0	0	0
T56	1212	0	0	0
T57	2344	0	0	0
T58	1382	0	0	0
T59	7650	0	0	0
T60	4795	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17422	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	17391	0	0
SrcPulseCheck_M	39771598	17403	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17391	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39771598	17403	0	0
T1	35396	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	2943	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	1857	0	0	0
T54	2257	0	0	0
T55	829	0	0	0
T56	1212	0	0	0
T57	2344	0	0	0
T58	1382	0	0	0
T59	7650	0	0	0
T60	4795	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	19885397	11711	0	0
SrcPulseCheck_M	39397092	11711	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	19885397	11711	0	0
T1	17698	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	1472	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	928	0	0	0
T54	1128	0	0	0
T55	415	0	0	0
T56	606	0	0	0
T57	1171	0	0	0
T58	690	0	0	0
T59	3825	0	0	0
T60	2397	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	11711	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	19885397	17304	0	0
SrcPulseCheck_M	39397092	17336	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	19885397	17304	0	0
T1	17698	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	1472	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	928	0	0	0
T54	1128	0	0	0
T55	415	0	0	0
T56	606	0	0	0
T57	1171	0	0	0
T58	690	0	0	0
T59	3825	0	0	0
T60	2397	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17336	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	17302	0	0
SrcPulseCheck_M	19885397	17311	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17302	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	19885397	17311	0	0
T1	17698	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	1472	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	928	0	0	0
T54	1128	0	0	0
T55	415	0	0	0
T56	606	0	0	0
T57	1171	0	0	0
T58	690	0	0	0
T59	3825	0	0	0
T60	2397	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	89866841	11711	0	0
SrcPulseCheck_M	39397092	11711	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	89866841	11711	0	0
T1	103824	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	3966	0	0	0
T54	4812	0	0	0
T55	1767	0	0	0
T56	2633	0	0	0
T57	4525	0	0	0
T58	2705	0	0	0
T59	16078	0	0	0
T60	10058	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	11711	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	89866841	17368	0	0
SrcPulseCheck_M	39397092	17381	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	89866841	17368	0	0
T1	103824	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	3966	0	0	0
T54	4812	0	0	0
T55	1767	0	0	0
T56	2633	0	0	0
T57	4525	0	0	0
T58	2705	0	0	0
T59	16078	0	0	0
T60	10058	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17381	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	17358	0	0
SrcPulseCheck_M	89866841	17369	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17358	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	89866841	17369	0	0
T1	103824	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	3966	0	0	0
T54	4812	0	0	0
T55	1767	0	0	0
T56	2633	0	0	0
T57	4525	0	0	0
T58	2705	0	0	0
T59	16078	0	0	0
T60	10058	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T1,T10,T2
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_en_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_en_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	43178534	11256	0	0
SrcPulseCheck_M	39397092	11711	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	43178534	11256	0	0
T1	49836	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	4450	1	0	0
T10	0	8	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	1903	0	0	0
T54	2309	0	0	0
T55	848	0	0	0
T56	1171	0	0	0
T57	2172	0	0	0
T58	1299	0	0	0
T59	7717	0	0	0
T60	4828	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	11711	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	2	0	0
T10	0	10	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_src_to_dst_req

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	43178534	17224	0	0
SrcPulseCheck_M	39397092	17408	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	43178534	17224	0	0
T1	49836	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	4450	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	1903	0	0	0
T54	2309	0	0	0
T55	848	0	0	0
T56	1171	0	0	0
T57	2172	0	0	0
T58	1299	0	0	0
T59	7717	0	0	0
T60	4828	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17408	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T9 T1 T10 

---

Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T9,T1,T10
1	0	Covered	T9,T1,T10
1	1	Covered	T9,T1,T10

---

Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_cdc.u_arb.gen_passthru.u_dst_to_src_ack

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	17075	0	0
SrcPulseCheck_M	43178534	17271	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	17075	0	0
T1	106533	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	9271	4	0	0
T10	0	19	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	991	0	0	0
T54	1250	0	0	0
T55	1680	0	0	0
T56	1311	0	0	0
T57	1130	0	0	0
T58	2705	0	0	0
T59	964	0	0	0
T60	2112	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	43178534	17271	0	0
T1	49836	18	0	0
T2	0	4	0	0
T3	0	36	0	0
T9	4450	4	0	0
T10	0	20	0	0
T11	0	26	0	0
T12	0	26	0	0
T21	0	20	0	0
T40	0	16	0	0
T52	0	26	0	0
T53	1903	0	0	0
T54	2309	0	0	0
T55	848	0	0	0
T56	1171	0	0	0
T57	2172	0	0	0
T58	1299	0	0	0
T59	7717	0	0	0
T60	4828	0	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T89 T90 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T89,T90
1	0	Covered	T87,T89,T90
1	1	Covered	T90,T159,T160

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T89,T90
1	0	Covered	T90,T159,T160
1	1	Covered	T87,T89,T90

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	35	0	0
SrcPulseCheck_M	81499841	35	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	35	0	0
T87	9077	2	0	0
T89	14543	2	0	0
T90	2985	2	0	0
T93	7484	2	0	0
T159	13024	2	0	0
T160	5444	2	0	0
T161	9951	1	0	0
T162	4874	1	0	0
T163	6785	4	0	0
T164	6097	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	81499841	35	0	0
T87	17085	2	0	0
T89	28492	2	0	0
T90	11939	2	0	0
T93	9452	2	0	0
T159	13300	2	0	0
T160	27510	2	0	0
T161	9747	1	0	0
T162	9549	1	0	0
T163	26054	4	0	0
T164	24390	1	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T89 T90 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T89,T90
1	0	Covered	T87,T89,T90
1	1	Covered	T90,T162,T160

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T89,T90
1	0	Covered	T90,T162,T160
1	1	Covered	T87,T89,T90

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	35	0	0
SrcPulseCheck_M	81499841	35	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	35	0	0
T87	9077	2	0	0
T89	14543	1	0	0
T90	2985	3	0	0
T93	7484	2	0	0
T159	13024	1	0	0
T160	5444	2	0	0
T161	9951	2	0	0
T162	4874	2	0	0
T163	6785	2	0	0
T165	1698	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	81499841	35	0	0
T87	17085	2	0	0
T89	28492	1	0	0
T90	11939	3	0	0
T93	9452	2	0	0
T159	13300	1	0	0
T160	27510	2	0	0
T161	9747	2	0	0
T162	9549	2	0	0
T163	26054	2	0	0
T165	9589	1	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T88 T89 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T89
1	0	Covered	T87,T88,T89
1	1	Covered	T93,T157,T159

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T89
1	0	Covered	T93,T157,T159
1	1	Covered	T87,T88,T89

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	44	0	0
SrcPulseCheck_M	39771598	44	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	44	0	0
T87	9077	1	0	0
T88	5260	1	0	0
T89	14543	1	0	0
T90	2985	1	0	0
T91	10342	2	0	0
T92	6188	2	0	0
T93	7484	4	0	0
T157	5731	2	0	0
T158	6026	1	0	0
T159	13024	4	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39771598	44	0	0
T87	7670	1	0	0
T88	4620	1	0	0
T89	13335	1	0	0
T90	5576	1	0	0
T91	19867	2	0	0
T92	5498	2	0	0
T93	3901	4	0	0
T157	2639	2	0	0
T158	5837	1	0	0
T159	5468	4	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T88 T89 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T89
1	0	Covered	T87,T88,T89
1	1	Covered	T159,T161,T166

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T89
1	0	Covered	T159,T161,T166
1	1	Covered	T87,T88,T89

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	35	0	0
SrcPulseCheck_M	39771598	35	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	35	0	0
T87	9077	1	0	0
T88	5260	1	0	0
T89	14543	1	0	0
T91	10342	1	0	0
T92	6188	1	0	0
T93	7484	2	0	0
T94	5658	1	0	0
T157	5731	1	0	0
T158	6026	1	0	0
T159	13024	3	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	39771598	35	0	0
T87	7670	1	0	0
T88	4620	1	0	0
T89	13335	1	0	0
T91	19867	1	0	0
T92	5498	1	0	0
T93	3901	2	0	0
T94	13547	1	0	0
T157	2639	1	0	0
T158	5837	1	0	0
T159	5468	3	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T88 T89 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T89
1	0	Covered	T87,T88,T89
1	1	Covered	T87,T91,T165

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T89
1	0	Covered	T87,T91,T165
1	1	Covered	T87,T88,T89

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	30	0	0
SrcPulseCheck_M	19885397	30	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	30	0	0
T87	9077	2	0	0
T88	5260	1	0	0
T89	14543	2	0	0
T91	10342	2	0	0
T92	6188	1	0	0
T93	7484	1	0	0
T157	5731	1	0	0
T158	6026	1	0	0
T161	9951	1	0	0
T167	10420	3	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	19885397	30	0	0
T87	3835	2	0	0
T88	2311	1	0	0
T89	6668	2	0	0
T91	9933	2	0	0
T92	2749	1	0	0
T93	1953	1	0	0
T157	1318	1	0	0
T158	2919	1	0	0
T161	2136	1	0	0
T167	2147	3	0	0

Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T88 T89 

---

Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T89
1	0	Covered	T87,T88,T89
1	1	Covered	T88,T167,T168

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T89
1	0	Covered	T88,T167,T168
1	1	Covered	T87,T88,T89

---

Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	33	0	0
SrcPulseCheck_M	19885397	33	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	33	0	0
T87	9077	1	0	0
T88	5260	2	0	0
T89	14543	2	0	0
T91	10342	1	0	0
T92	6188	1	0	0
T93	7484	1	0	0
T94	5658	1	0	0
T157	5731	2	0	0
T158	6026	1	0	0
T161	9951	2	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	19885397	33	0	0
T87	3835	1	0	0
T88	2311	2	0	0
T89	6668	2	0	0
T91	9933	1	0	0
T92	2749	1	0	0
T93	1953	1	0	0
T94	6774	1	0	0
T157	1318	2	0	0
T158	2919	1	0	0
T161	2136	2	0	0

Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T88 T91 T90 

---

Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T88,T91,T90
1	0	Covered	T88,T91,T90
1	1	Covered	T157,T161,T163

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T88,T91,T90
1	0	Covered	T157,T161,T163
1	1	Covered	T88,T91,T90

---

Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	41	0	0
SrcPulseCheck_M	89866841	41	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	41	0	0
T88	5260	2	0	0
T90	2985	1	0	0
T91	10342	1	0	0
T93	7484	1	0	0
T157	5731	2	0	0
T159	13024	1	0	0
T161	9951	4	0	0
T162	4874	1	0	0
T167	10420	1	0	0
T169	11614	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	89866841	41	0	0
T88	10734	2	0	0
T90	12438	1	0	0
T91	43093	1	0	0
T93	9847	1	0	0
T157	6031	2	0	0
T159	13855	1	0	0
T161	10154	4	0	0
T162	9947	1	0	0
T167	10420	1	0	0
T169	43016	1	0	0

Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T88 T91 

---

Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T91
1	0	Covered	T87,T88,T91
1	1	Covered	T161,T169,T163

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T88,T91
1	0	Covered	T161,T169,T163
1	1	Covered	T87,T88,T91

---

Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	39	0	0
SrcPulseCheck_M	89866841	39	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	39	0	0
T87	9077	1	0	0
T88	5260	1	0	0
T90	2985	1	0	0
T91	10342	1	0	0
T93	7484	1	0	0
T157	5731	1	0	0
T159	13024	1	0	0
T161	9951	3	0	0
T167	10420	1	0	0
T169	11614	2	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	89866841	39	0	0
T87	17798	1	0	0
T88	10734	1	0	0
T90	12438	1	0	0
T91	43093	1	0	0
T93	9847	1	0	0
T157	6031	1	0	0
T159	13855	1	0	0
T161	10154	3	0	0
T167	10420	1	0	0
T169	43016	2	0	0

Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T90 T92 

---

Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T90,T92
1	0	Covered	T87,T90,T92
1	1	Covered	T90,T93,T157

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T90,T92
1	0	Covered	T90,T93,T157
1	1	Covered	T87,T90,T92

---

Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	34	0	0
SrcPulseCheck_M	43178534	34	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	34	0	0
T87	9077	2	0	0
T90	2985	3	0	0
T92	6188	1	0	0
T93	7484	2	0	0
T157	5731	2	0	0
T160	5444	1	0	0
T165	1698	2	0	0
T167	10420	1	0	0
T169	11614	2	0	0
T170	6630	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	43178534	34	0	0
T87	8543	2	0	0
T90	5970	3	0	0
T92	5940	1	0	0
T93	4727	2	0	0
T157	2895	2	0	0
T160	13756	1	0	0
T165	4795	2	0	0
T167	5001	1	0	0
T169	20648	2	0	0
T170	3214	1	0	0

Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T87 T90 T92 

---

Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo_err_update_sync

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T90,T92
1	0	Covered	T87,T90,T92
1	1	Covered	T87,T90,T157

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T87,T90,T92
1	0	Covered	T87,T90,T157
1	1	Covered	T87,T90,T92

---

Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo_err_update_sync

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo_err_update_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	39397092	46	0	0
SrcPulseCheck_M	43178534	46	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39397092	46	0	0
T87	9077	3	0	0
T90	2985	2	0	0
T92	6188	1	0	0
T93	7484	1	0	0
T94	5658	1	0	0
T157	5731	2	0	0
T159	13024	1	0	0
T161	9951	1	0	0
T162	4874	1	0	0
T167	10420	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	43178534	46	0	0
T87	8543	3	0	0
T90	5970	2	0	0
T92	5940	1	0	0
T93	4727	1	0	0
T94	14296	1	0	0
T157	2895	2	0	0
T159	6650	1	0	0
T161	4874	1	0	0
T162	4775	1	0	0
T167	5001	1	0	0

Line Coverage for Instance : tb.dut.u_io_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_io_meas.u_meas.u_sync_ref

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

---

Branch Coverage for Instance : tb.dut.u_io_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_io_meas.u_meas.u_sync_ref

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	78932889	42306	0	0
SrcPulseCheck_M	1196649	41633	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	78932889	42306	0	0
T1	70871	71	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	100	0	0
T13	0	17	0	0
T21	0	67	0	0
T36	0	26	0	0
T40	0	73	0	0
T52	0	135	0	0
T53	3807	0	0	0
T54	4620	0	0	0
T55	1696	0	0	0
T56	2475	0	0	0
T57	4344	0	0	0
T58	2597	0	0	0
T59	15434	0	0	0
T60	9655	0	0	0
T69	95735	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1196649	41633	0	0
T1	164	71	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	100	0	0
T13	0	17	0	0
T21	0	67	0	0
T36	0	26	0	0
T40	0	73	0	0
T52	0	135	0	0
T53	277	0	0	0
T54	337	0	0	0
T55	123	0	0	0
T56	191	0	0	0
T57	316	0	0	0
T58	189	0	0	0
T59	1125	0	0	0
T60	704	0	0	0
T69	6980	0	0	0

Line Coverage for Instance : tb.dut.u_io_div2_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_io_div2_meas.u_meas.u_sync_ref

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

---

Branch Coverage for Instance : tb.dut.u_io_div2_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_io_div2_meas.u_meas.u_sync_ref

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	38533562	42000	0	0
SrcPulseCheck_M	1196649	41334	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38533562	42000	0	0
T1	35396	71	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	100	0	0
T13	0	17	0	0
T21	0	67	0	0
T36	0	26	0	0
T40	0	70	0	0
T52	0	135	0	0
T53	1857	0	0	0
T54	2257	0	0	0
T55	829	0	0	0
T56	1212	0	0	0
T57	2344	0	0	0
T58	1382	0	0	0
T59	7650	0	0	0
T60	4795	0	0	0
T69	45681	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1196649	41334	0	0
T1	164	71	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	100	0	0
T13	0	17	0	0
T21	0	67	0	0
T36	0	26	0	0
T40	0	70	0	0
T52	0	135	0	0
T53	277	0	0	0
T54	337	0	0	0
T55	123	0	0	0
T56	191	0	0	0
T57	316	0	0	0
T58	189	0	0	0
T59	1125	0	0	0
T60	704	0	0	0
T69	6980	0	0	0

Line Coverage for Instance : tb.dut.u_io_div4_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_io_div4_meas.u_meas.u_sync_ref

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

---

Branch Coverage for Instance : tb.dut.u_io_div4_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_io_div4_meas.u_meas.u_sync_ref

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	19266395	41606	0	0
SrcPulseCheck_M	1196649	40947	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	19266395	41606	0	0
T1	17698	71	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	100	0	0
T13	0	17	0	0
T21	0	67	0	0
T36	0	26	0	0
T40	0	65	0	0
T52	0	135	0	0
T53	928	0	0	0
T54	1128	0	0	0
T55	415	0	0	0
T56	606	0	0	0
T57	1171	0	0	0
T58	690	0	0	0
T59	3825	0	0	0
T60	2397	0	0	0
T69	22838	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1196649	40947	0	0
T1	164	71	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	100	0	0
T13	0	17	0	0
T21	0	67	0	0
T36	0	26	0	0
T40	0	65	0	0
T52	0	135	0	0
T53	277	0	0	0
T54	337	0	0	0
T55	123	0	0	0
T56	191	0	0	0
T57	316	0	0	0
T58	189	0	0	0
T59	1125	0	0	0
T60	704	0	0	0
T69	6980	0	0	0

Line Coverage for Instance : tb.dut.u_main_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_main_meas.u_meas.u_sync_ref

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

---

Branch Coverage for Instance : tb.dut.u_main_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_main_meas.u_meas.u_sync_ref

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	87192814	50662	0	0
SrcPulseCheck_M	1263654	50305	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	87192814	50662	0	0
T1	103824	131	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	148	0	0
T13	0	17	0	0
T21	0	151	0	0
T36	0	24	0	0
T40	0	134	0	0
T52	0	171	0	0
T53	3966	0	0	0
T54	4812	0	0	0
T55	1767	0	0	0
T56	2633	0	0	0
T57	4525	0	0	0
T58	2705	0	0	0
T59	16078	0	0	0
T60	10058	0	0	0
T69	99728	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1263654	50305	0	0
T1	224	131	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	148	0	0
T13	0	17	0	0
T21	0	151	0	0
T36	0	24	0	0
T40	0	134	0	0
T52	0	171	0	0
T53	277	0	0	0
T54	337	0	0	0
T55	123	0	0	0
T56	191	0	0	0
T57	316	0	0	0
T58	189	0	0	0
T59	1125	0	0	0
T60	704	0	0	0
T69	6980	0	0	0

Line Coverage for Instance : tb.dut.u_usb_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
TOTAL		7	7	100.00
ALWAYS	31	3	3	100.00
CONT_ASSIGN	49	0	0
CONT_ASSIGN	52	0	0
ALWAYS	55	0	0
ALWAYS	89	3	3	100.00
CONT_ASSIGN	97	1	1	100.00

30                        always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31         1/1              if (!rst_src_ni) begin
           Tests:       T4 T5 T6 
32         1/1                src_level <= 1'b0;
           Tests:       T4 T5 T6 
33                          end else begin
34         1/1                src_level <= src_level ^ src_pulse_i;
           Tests:       T4 T5 T6 
35                          end
36                        end
37                      
38                      
39                        // source active must come far enough such that the destination domain has time
40                        // to create a valid pulse.
41                      `ifdef INC_ASSERT
42                        //VCS coverage off
43                        // pragma coverage off
44                      
45                        // source active flag tracks whether there is an ongoing "toggle" event.
46                        // Until this toggle event is accepted by the destination domain (negative edge of
47                        // of the pulse output), the source side cannot toggle again.
48                        logic effective_rst_n;
49         unreachable    assign effective_rst_n = rst_src_ni && dst_pulse_o;
50                      
51                        logic src_active_flag_d, src_active_flag_q;
52         unreachable    assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53                      
54                        always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55         unreachable      if (!effective_rst_n) begin
56         unreachable        src_active_flag_q <= '0;
57                          end else begin
58         unreachable        src_active_flag_q <= src_active_flag_d;
59                          end
60                        end
61                      
62                        //VCS coverage on
63                        // pragma coverage on
64                      
65                        `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66                      `endif
67                      
68                        //////////////////////////////////////////////////////////
69                        // synchronize level signal to destination clock domain //
70                        //////////////////////////////////////////////////////////
71                        logic dst_level;
72                      
73                        prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74                          // source clock domain
75                          .d_i    (src_level),
76                          // destination clock domain
77                          .clk_i  (clk_dst_i),
78                          .rst_ni (rst_dst_ni),
79                          .q_o    (dst_level)
80                        );
81                      
82                        ////////////////////////////////////////
83                        // convert level signal back to pulse //
84                        ////////////////////////////////////////
85                        logic dst_level_q;
86                      
87                        // delay dst_level by 1 cycle
88                        always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89         1/1              if (!rst_dst_ni) begin
           Tests:       T4 T5 T6 
90         1/1                dst_level_q <= 1'b0;
           Tests:       T4 T5 T6 
91                          end else begin
92         1/1                dst_level_q <= dst_level;
           Tests:       T4 T5 T6 
93                          end
94                        end
95                      
96                        // edge detection
97         1/1            assign dst_pulse_o = dst_level_q ^ dst_level;
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_usb_meas.u_meas.u_sync_ref

	Total	Covered	Percent
Conditions	8	8	100.00
Logical	8	8	100.00
Non-Logical	0	0
Event	0	0

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T2,T3
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

---

Branch Coverage for Instance : tb.dut.u_usb_meas.u_meas.u_sync_ref

	Line No.	Total	Covered	Percent
Branches		4	4	100.00
IF	31	2	2	100.00
IF	89	2	2	100.00

31             if (!rst_src_ni) begin
               -1-  
32               src_level <= 1'b0;
                 ==>
33             end else begin
34               src_level <= src_level ^ src_pulse_i;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

89             if (!rst_dst_ni) begin
               -1-  
90               dst_level_q <= 1'b0;
                 ==>
91             end else begin
92               dst_level_q <= dst_level;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T4,T5,T6
0	Covered	T4,T5,T6

---

Assert Coverage for Instance : tb.dut.u_usb_meas.u_meas.u_sync_ref

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DstPulseCheck_A	41895022	50254	0	0
SrcPulseCheck_M	1258693	49489	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	41895022	50254	0	0
T1	49836	131	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	148	0	0
T13	0	17	0	0
T21	0	150	0	0
T36	0	22	0	0
T40	0	108	0	0
T52	0	183	0	0
T53	1903	0	0	0
T54	2309	0	0	0
T55	848	0	0	0
T56	1171	0	0	0
T57	2172	0	0	0
T58	1299	0	0	0
T59	7717	0	0	0
T60	4828	0	0	0
T69	47870	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1258693	49489	0	0
T1	224	131	0	0
T2	0	11	0	0
T3	0	79	0	0
T11	0	46	0	0
T12	0	148	0	0
T13	0	17	0	0
T21	0	150	0	0
T36	0	22	0	0
T40	0	108	0	0
T52	0	183	0	0
T53	277	0	0	0
T54	337	0	0	0
T55	123	0	0	0
T56	191	0	0	0
T57	316	0	0	0
T58	189	0	0	0
T59	1125	0	0	0
T60	704	0	0	0
T69	6980	0	0	0