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_10_14/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:       T1 T2 T3 

---

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	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 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	1422264788	468301	0	0
SrcPulseCheck_M	1248106718	464910	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1422264788	468301	0	0
T1	183858	164	0	0
T2	185826	61	0	0
T3	461208	280	0	0
T7	0	134	0	0
T8	0	318	0	0
T9	0	41	0	0
T10	0	194	0	0
T17	35581	0	0	0
T18	7554	0	0	0
T19	6205	0	0	0
T20	24478	0	0	0
T21	13284	0	0	0
T26	0	170	0	0
T34	0	150	0	0
T45	0	606	0	0
T46	0	128	0	0
T47	0	80	0	0
T49	8802	0	0	0
T50	9065	0	0	0
T51	0	763	0	0
T73	0	438	0	0
T76	10970	1	0	0
T103	14288	2	0	0
T104	5852	1	0	0
T105	10342	1	0	0
T106	18906	4	0	0
T107	16968	6	0	0
T125	31020	1	0	0
T126	6030	0	0	0
T127	17706	0	0	0
T128	10681	0	0	0
T129	6475	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1248106718	464910	0	0
T1	115439	164	0	0
T2	30344	61	0	0
T3	115119	280	0	0
T7	0	134	0	0
T8	0	318	0	0
T9	0	41	0	0
T10	0	196	0	0
T17	11457	0	0	0
T18	3215	0	0	0
T19	3749	0	0	0
T20	10409	0	0	0
T21	4476	0	0	0
T26	0	170	0	0
T34	0	150	0	0
T45	0	606	0	0
T46	0	128	0	0
T47	0	80	0	0
T49	4860	0	0	0
T50	5429	0	0	0
T51	0	763	0	0
T73	0	438	0	0
T76	19482	1	0	0
T103	26942	2	0	0
T104	11158	1	0	0
T105	33320	1	0	0
T106	7730	4	0	0
T107	6912	6	0	0
T125	14244	1	0	0
T126	10092	0	0	0
T127	14972	0	0	0
T128	4597	0	0	0
T129	12688	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:       T1 T2 T3 

---

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	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_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	84690942	11793	0	0
SrcPulseCheck_M	38348859	11793	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	84690942	11793	0	0
T1	30639	8	0	0
T2	57633	12	0	0
T3	114123	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	8361	0	0	0
T18	1762	0	0	0
T19	1336	0	0	0
T20	5686	0	0	0
T21	3269	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	1917	0	0	0
T50	1900	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	11793	0	0
T1	49917	8	0	0
T2	6003	12	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	84690942	17669	0	0
SrcPulseCheck_M	38348859	17681	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	84690942	17669	0	0
T1	30639	8	0	0
T2	57633	24	0	0
T3	114123	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	8361	0	0	0
T18	1762	0	0	0
T19	1336	0	0	0
T20	5686	0	0	0
T21	3269	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1917	0	0	0
T50	1900	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17681	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	38348859	17659	0	0
SrcPulseCheck_M	84690942	17671	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17659	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	84690942	17671	0	0
T1	30639	8	0	0
T2	57633	24	0	0
T3	114123	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	8361	0	0	0
T18	1762	0	0	0
T19	1336	0	0	0
T20	5686	0	0	0
T21	3269	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1917	0	0	0
T50	1900	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:       T1 T2 T3 

---

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	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_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	41525459	11793	0	0
SrcPulseCheck_M	38348859	11793	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	41525459	11793	0	0
T1	15253	8	0	0
T2	17758	12	0	0
T3	57049	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	4667	0	0	0
T18	869	0	0	0
T19	601	0	0	0
T20	2831	0	0	0
T21	1616	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	912	0	0	0
T50	917	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	11793	0	0
T1	49917	8	0	0
T2	6003	12	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	41525459	17715	0	0
SrcPulseCheck_M	38348859	17736	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	41525459	17715	0	0
T1	15253	8	0	0
T2	17758	24	0	0
T3	57049	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	4667	0	0	0
T18	869	0	0	0
T19	601	0	0	0
T20	2831	0	0	0
T21	1616	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	912	0	0	0
T50	917	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17736	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	38348859	17708	0	0
SrcPulseCheck_M	41525459	17719	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17708	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	41525459	17719	0	0
T1	15253	8	0	0
T2	17758	24	0	0
T3	57049	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	4667	0	0	0
T18	869	0	0	0
T19	601	0	0	0
T20	2831	0	0	0
T21	1616	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	912	0	0	0
T50	917	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:       T1 T2 T3 

---

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	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_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	20762303	11793	0	0
SrcPulseCheck_M	38348859	11793	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	20762303	11793	0	0
T1	7626	8	0	0
T2	8879	12	0	0
T3	28525	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	2332	0	0	0
T18	434	0	0	0
T19	300	0	0	0
T20	1415	0	0	0
T21	808	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	456	0	0	0
T50	458	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	11793	0	0
T1	49917	8	0	0
T2	6003	12	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	20762303	17723	0	0
SrcPulseCheck_M	38348859	17755	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	20762303	17723	0	0
T1	7626	8	0	0
T2	8879	24	0	0
T3	28525	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2332	0	0	0
T18	434	0	0	0
T19	300	0	0	0
T20	1415	0	0	0
T21	808	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	456	0	0	0
T50	458	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17755	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	38348859	17720	0	0
SrcPulseCheck_M	20762303	17726	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17720	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	20762303	17726	0	0
T1	7626	8	0	0
T2	8879	24	0	0
T3	28525	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2332	0	0	0
T18	434	0	0	0
T19	300	0	0	0
T20	1415	0	0	0
T21	808	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	456	0	0	0
T50	458	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:       T1 T2 T3 

---

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	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_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	93990126	11793	0	0
SrcPulseCheck_M	38348859	11793	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	93990126	11793	0	0
T1	49917	8	0	0
T2	60037	12	0	0
T3	118882	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	8710	0	0	0
T18	1834	0	0	0
T19	1390	0	0	0
T20	5923	0	0	0
T21	3405	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	1997	0	0	0
T50	1978	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	11793	0	0
T1	49917	8	0	0
T2	6003	12	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	93990126	17745	0	0
SrcPulseCheck_M	38348859	17761	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	93990126	17745	0	0
T1	49917	8	0	0
T2	60037	24	0	0
T3	118882	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	8710	0	0	0
T18	1834	0	0	0
T19	1390	0	0	0
T20	5923	0	0	0
T21	3405	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1997	0	0	0
T50	1978	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17761	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	38348859	17731	0	0
SrcPulseCheck_M	93990126	17751	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17731	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	93990126	17751	0	0
T1	49917	8	0	0
T2	60037	24	0	0
T3	118882	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	8710	0	0	0
T18	1834	0	0	0
T19	1390	0	0	0
T20	5923	0	0	0
T21	3405	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1997	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	45143773	11446	0	0
SrcPulseCheck_M	38348859	11793	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	45143773	11446	0	0
T1	21079	8	0	0
T2	28818	12	0	0
T3	57064	20	0	0
T7	0	10	0	0
T9	0	6	0	0
T17	4181	0	0	0
T18	881	0	0	0
T19	651	0	0	0
T20	2843	0	0	0
T21	1634	0	0	0
T26	0	19	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	8	0	0
T49	958	0	0	0
T50	950	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	11793	0	0
T1	49917	8	0	0
T2	6003	12	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	8	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	34	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	16	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	45143773	17700	0	0
SrcPulseCheck_M	38348859	17839	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	45143773	17700	0	0
T1	21079	8	0	0
T2	28818	24	0	0
T3	57064	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	4181	0	0	0
T18	881	0	0	0
T19	651	0	0	0
T20	2843	0	0	0
T21	1634	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	31	0	0
T49	958	0	0	0
T50	950	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17839	0	0
T1	49917	8	0	0
T2	6003	24	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	1696	0	0	0
T50	1978	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:       T1 T2 T3 

---

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	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_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	38348859	17585	0	0
SrcPulseCheck_M	45143773	17755	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	17585	0	0
T1	49917	8	0	0
T2	6003	18	0	0
T3	28531	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	2177	0	0	0
T18	917	0	0	0
T19	1376	0	0	0
T20	2961	0	0	0
T21	954	0	0	0
T26	0	67	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	29	0	0
T49	1696	0	0	0
T50	1978	0	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	45143773	17755	0	0
T1	21079	8	0	0
T2	28818	24	0	0
T3	57064	20	0	0
T7	0	10	0	0
T9	0	16	0	0
T17	4181	0	0	0
T18	881	0	0	0
T19	651	0	0	0
T20	2843	0	0	0
T21	1634	0	0	0
T26	0	68	0	0
T34	0	10	0	0
T45	0	30	0	0
T46	0	4	0	0
T47	0	32	0	0
T49	958	0	0	0
T50	950	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:       T101 T102 T80 

---

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	T101,T102,T80
1	0	Covered	T101,T102,T80
1	1	Covered	T105,T126,T130

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T101,T102,T80
1	0	Covered	T105,T126,T130
1	1	Covered	T101,T102,T80

---

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	38348859	33	0	0
SrcPulseCheck_M	84690942	33	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	33	0	0
T80	5764	1	0	0
T84	15266	1	0	0
T101	4083	1	0	0
T102	6459	1	0	0
T103	7144	1	0	0
T105	5171	2	0	0
T106	9453	2	0	0
T125	15510	2	0	0
T126	6030	2	0	0
T131	10053	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	84690942	33	0	0
T80	29128	1	0	0
T84	29909	1	0	0
T101	21776	1	0	0
T102	6459	1	0	0
T103	28576	1	0	0
T105	35456	2	0	0
T106	9453	2	0	0
T125	15672	2	0	0
T126	22266	2	0	0
T131	87733	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:       T101 T102 T80 

---

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	T101,T102,T80
1	0	Covered	T101,T102,T80
1	1	Covered	T105,T126,T130

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T101,T102,T80
1	0	Covered	T105,T126,T130
1	1	Covered	T101,T102,T80

---

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	38348859	27	0	0
SrcPulseCheck_M	84690942	27	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	27	0	0
T80	5764	1	0	0
T101	4083	1	0	0
T102	6459	1	0	0
T103	7144	1	0	0
T105	5171	2	0	0
T106	9453	2	0	0
T126	6030	2	0	0
T128	10681	1	0	0
T131	10053	1	0	0
T132	5550	2	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	84690942	27	0	0
T80	29128	1	0	0
T101	21776	1	0	0
T102	6459	1	0	0
T103	28576	1	0	0
T105	35456	2	0	0
T106	9453	2	0	0
T126	22266	2	0	0
T128	10253	1	0	0
T131	87733	1	0	0
T132	28042	2	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:       T76 T103 T104 

---

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	T76,T103,T104
1	0	Covered	T76,T103,T104
1	1	Covered	T106,T107,T133

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T76,T103,T104
1	0	Covered	T106,T107,T133
1	1	Covered	T76,T103,T104

---

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	38348859	34	0	0
SrcPulseCheck_M	41525459	34	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	34	0	0
T76	5485	1	0	0
T103	7144	2	0	0
T104	2926	1	0	0
T105	5171	1	0	0
T106	9453	4	0	0
T107	8484	6	0	0
T125	15510	1	0	0
T127	8853	1	0	0
T128	10681	1	0	0
T129	6475	2	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	41525459	34	0	0
T76	9741	1	0	0
T103	13471	2	0	0
T104	5579	1	0	0
T105	16660	1	0	0
T106	3865	4	0	0
T107	3456	6	0	0
T125	7122	1	0	0
T127	7486	1	0	0
T128	4597	1	0	0
T129	12688	2	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:       T76 T103 T104 

---

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	T76,T103,T104
1	0	Covered	T76,T103,T104
1	1	Covered	T106,T107,T134

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T76,T103,T104
1	0	Covered	T106,T107,T134
1	1	Covered	T76,T103,T104

---

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	38348859	37	0	0
SrcPulseCheck_M	41525459	37	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	37	0	0
T76	5485	1	0	0
T103	7144	1	0	0
T104	2926	1	0	0
T105	5171	1	0	0
T106	9453	6	0	0
T107	8484	5	0	0
T125	15510	1	0	0
T126	6030	1	0	0
T127	8853	1	0	0
T135	10399	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	41525459	37	0	0
T76	9741	1	0	0
T103	13471	1	0	0
T104	5579	1	0	0
T105	16660	1	0	0
T106	3865	6	0	0
T107	3456	5	0	0
T125	7122	1	0	0
T126	10092	1	0	0
T127	7486	1	0	0
T135	9266	1	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:       T101 T76 T103 

---

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	T101,T76,T103
1	0	Covered	T101,T76,T103
1	1	Covered	T105,T126,T133

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T101,T76,T103
1	0	Covered	T105,T126,T133
1	1	Covered	T101,T76,T103

---

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	38348859	42	0	0
SrcPulseCheck_M	20762303	42	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	42	0	0
T76	5485	1	0	0
T84	15266	1	0	0
T101	4083	1	0	0
T103	7144	3	0	0
T105	5171	3	0	0
T107	8484	2	0	0
T125	15510	1	0	0
T126	6030	3	0	0
T135	10399	1	0	0
T136	8470	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	20762303	42	0	0
T76	4872	1	0	0
T84	7057	1	0	0
T101	5194	1	0	0
T103	6735	3	0	0
T105	8330	3	0	0
T107	1730	2	0	0
T125	3561	1	0	0
T126	5045	3	0	0
T135	4634	1	0	0
T136	3889	1	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:       T101 T80 T103 

---

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	T101,T80,T103
1	0	Covered	T101,T80,T103
1	1	Covered	T126,T137,T138

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T101,T80,T103
1	0	Covered	T126,T137,T138
1	1	Covered	T101,T80,T103

---

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	38348859	44	0	0
SrcPulseCheck_M	20762303	44	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	44	0	0
T80	5764	1	0	0
T84	15266	1	0	0
T101	4083	1	0	0
T103	7144	3	0	0
T105	5171	1	0	0
T107	8484	1	0	0
T125	15510	2	0	0
T126	6030	3	0	0
T127	8853	1	0	0
T136	8470	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	20762303	44	0	0
T80	6956	1	0	0
T84	7057	1	0	0
T101	5194	1	0	0
T103	6735	3	0	0
T105	8330	1	0	0
T107	1730	1	0	0
T125	3561	2	0	0
T126	5045	3	0	0
T127	3741	1	0	0
T136	3889	1	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:       T101 T102 T84 

---

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	T101,T102,T84
1	0	Covered	T101,T102,T84
1	1	Covered	T135,T136,T132

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T101,T102,T84
1	0	Covered	T135,T136,T132
1	1	Covered	T101,T102,T84

---

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	38348859	44	0	0
SrcPulseCheck_M	93990126	44	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	44	0	0
T84	15266	2	0	0
T101	4083	2	0	0
T102	6459	1	0	0
T105	5171	1	0	0
T106	9453	1	0	0
T107	8484	1	0	0
T125	15510	3	0	0
T126	6030	1	0	0
T135	10399	3	0	0
T139	8199	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	93990126	44	0	0
T84	31157	2	0	0
T101	22684	2	0	0
T102	6729	1	0	0
T105	36935	1	0	0
T106	9848	1	0	0
T107	8657	1	0	0
T125	16326	3	0	0
T126	23196	1	0	0
T135	21223	3	0	0
T139	9318	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:       T101 T102 T84 

---

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	T101,T102,T84
1	0	Covered	T101,T102,T84
1	1	Covered	T135,T136,T129

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T101,T102,T84
1	0	Covered	T135,T136,T129
1	1	Covered	T101,T102,T84

---

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	38348859	38	0	0
SrcPulseCheck_M	93990126	38	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	38	0	0
T84	15266	1	0	0
T101	4083	2	0	0
T102	6459	1	0	0
T105	5171	2	0	0
T106	9453	1	0	0
T107	8484	1	0	0
T125	15510	1	0	0
T126	6030	1	0	0
T135	10399	3	0	0
T139	8199	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	93990126	38	0	0
T84	31157	1	0	0
T101	22684	2	0	0
T102	6729	1	0	0
T105	36935	2	0	0
T106	9848	1	0	0
T107	8657	1	0	0
T125	16326	1	0	0
T126	23196	1	0	0
T135	21223	3	0	0
T139	9318	1	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:       T103 T84 T107 

---

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	T103,T84,T107
1	0	Covered	T103,T84,T107
1	1	Covered	T103,T135,T133

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T103,T84,T107
1	0	Covered	T103,T135,T133
1	1	Covered	T103,T84,T107

---

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	38348859	30	0	0
SrcPulseCheck_M	45143773	30	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	30	0	0
T84	15266	2	0	0
T103	7144	3	0	0
T107	8484	2	0	0
T131	10053	1	0	0
T132	5550	1	0	0
T133	7254	3	0	0
T135	10399	3	0	0
T136	8470	1	0	0
T140	7434	1	0	0
T141	4667	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	45143773	30	0	0
T84	14955	2	0	0
T103	14288	3	0	0
T107	4155	2	0	0
T131	43869	1	0	0
T132	14022	1	0	0
T133	38694	3	0	0
T135	10187	3	0	0
T136	8470	1	0	0
T140	7930	1	0	0
T141	2287	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:       T103 T84 T105 

---

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	T103,T84,T105
1	0	Covered	T103,T84,T105
1	1	Covered	T103,T135

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T103,T84,T105
1	0	Covered	T103,T135
1	1	Covered	T103,T84,T105

---

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	38348859	30	0	0
SrcPulseCheck_M	45143773	30	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	38348859	30	0	0
T84	15266	1	0	0
T103	7144	4	0	0
T105	5171	1	0	0
T107	8484	1	0	0
T126	6030	1	0	0
T131	10053	2	0	0
T132	5550	1	0	0
T135	10399	3	0	0
T136	8470	1	0	0
T139	8199	1	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	45143773	30	0	0
T84	14955	1	0	0
T103	14288	4	0	0
T105	17729	1	0	0
T107	4155	1	0	0
T126	11134	1	0	0
T131	43869	2	0	0
T132	14022	1	0	0
T135	10187	3	0	0
T136	8470	1	0	0
T139	4473	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,T3,T34
1	1	Covered	T1,T3,T34

 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,T3,T34
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	81234049	42836	0	0
SrcPulseCheck_M	1245764	41765	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	81234049	42836	0	0
T1	30639	26	0	0
T2	57633	1	0	0
T3	114123	55	0	0
T7	0	26	0	0
T9	0	1	0	0
T17	8361	0	0	0
T18	1762	0	0	0
T19	1336	0	0	0
T20	5686	0	0	0
T21	3269	0	0	0
T34	0	30	0	0
T45	0	96	0	0
T46	0	32	0	0
T49	1917	0	0	0
T50	1900	0	0	0
T51	0	187	0	0
T73	0	89	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1245764	41765	0	0
T1	79	26	0	0
T2	145	1	0	0
T3	252	55	0	0
T7	0	26	0	0
T9	0	1	0	0
T17	609	0	0	0
T18	128	0	0	0
T19	99	0	0	0
T20	414	0	0	0
T21	238	0	0	0
T34	0	30	0	0
T45	0	96	0	0
T46	0	32	0	0
T49	139	0	0	0
T50	139	0	0	0
T51	0	187	0	0
T73	0	89	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 T3 T34 

---

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,T3,T34
1	0	Covered	T1,T3,T34
1	1	Covered	T1,T3,T34

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T3,T34
1	0	Covered	T1,T3,T34
1	1	Covered	T1,T3,T34

---

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	39845802	42514	0	0
SrcPulseCheck_M	1245764	41453	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	39845802	42514	0	0
T1	15253	26	0	0
T2	17758	0	0	0
T3	57049	55	0	0
T7	0	26	0	0
T8	0	106	0	0
T10	0	55	0	0
T17	4667	0	0	0
T18	869	0	0	0
T19	601	0	0	0
T20	2831	0	0	0
T21	1616	0	0	0
T34	0	30	0	0
T45	0	96	0	0
T46	0	32	0	0
T49	912	0	0	0
T50	917	0	0	0
T51	0	187	0	0
T73	0	89	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1245764	41453	0	0
T1	79	26	0	0
T2	145	0	0	0
T3	252	55	0	0
T7	0	26	0	0
T8	0	106	0	0
T10	0	56	0	0
T17	609	0	0	0
T18	128	0	0	0
T19	99	0	0	0
T20	414	0	0	0
T21	238	0	0	0
T34	0	30	0	0
T45	0	96	0	0
T46	0	32	0	0
T49	139	0	0	0
T50	139	0	0	0
T51	0	187	0	0
T73	0	89	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 T3 T34 

---

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,T3,T34
1	0	Covered	T1,T3,T34
1	1	Covered	T1,T3,T34

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T3,T34
1	0	Covered	T1,T3,T34
1	1	Covered	T1,T3,T34

---

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	19922488	41964	0	0
SrcPulseCheck_M	1245764	40918	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	19922488	41964	0	0
T1	7626	26	0	0
T2	8879	0	0	0
T3	28525	55	0	0
T7	0	26	0	0
T8	0	106	0	0
T10	0	55	0	0
T17	2332	0	0	0
T18	434	0	0	0
T19	300	0	0	0
T20	1415	0	0	0
T21	808	0	0	0
T34	0	30	0	0
T45	0	96	0	0
T46	0	32	0	0
T49	456	0	0	0
T50	458	0	0	0
T51	0	186	0	0
T73	0	86	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1245764	40918	0	0
T1	79	26	0	0
T2	145	0	0	0
T3	252	55	0	0
T7	0	26	0	0
T8	0	106	0	0
T10	0	56	0	0
T17	609	0	0	0
T18	128	0	0	0
T19	99	0	0	0
T20	414	0	0	0
T21	238	0	0	0
T34	0	30	0	0
T45	0	96	0	0
T46	0	32	0	0
T49	139	0	0	0
T50	139	0	0	0
T51	0	186	0	0
T73	0	86	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 T3 T34 

---

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,T3,T34
1	0	Covered	T1,T3,T34
1	1	Covered	T1,T3,T34

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T3,T34
1	0	Covered	T1,T3,T34
1	1	Covered	T1,T3,T34

---

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	90389067	52702	0	0
SrcPulseCheck_M	1271417	52354	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	90389067	52702	0	0
T1	49917	62	0	0
T2	60037	0	0	0
T3	118882	55	0	0
T7	0	26	0	0
T8	0	106	0	0
T10	0	84	0	0
T17	8710	0	0	0
T18	1834	0	0	0
T19	1390	0	0	0
T20	5923	0	0	0
T21	3405	0	0	0
T34	0	30	0	0
T45	0	228	0	0
T46	0	20	0	0
T49	1997	0	0	0
T50	1978	0	0	0
T51	0	203	0	0
T73	0	174	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1271417	52354	0	0
T1	115	62	0	0
T2	145	0	0	0
T3	252	55	0	0
T7	0	26	0	0
T8	0	106	0	0
T10	0	84	0	0
T17	609	0	0	0
T18	128	0	0	0
T19	99	0	0	0
T20	414	0	0	0
T21	238	0	0	0
T34	0	30	0	0
T45	0	228	0	0
T46	0	20	0	0
T49	139	0	0	0
T50	139	0	0	0
T51	0	203	0	0
T73	0	174	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 T3 T34 

---

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,T3,T34
1	0	Covered	T1,T3,T34
1	1	Covered	T1,T3,T34

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

-1-	-2-	Status	Tests
0	0	Covered	T4,T5,T6
0	1	Covered	T1,T3,T34
1	0	Covered	T1,T3,T34
1	1	Covered	T1,T3,T34

---

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	43415291	52353	0	0
SrcPulseCheck_M	1271610	51702	0	0

DstPulseCheck_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	43415291	52353	0	0
T1	21079	50	0	0
T2	28818	0	0	0
T3	57064	53	0	0
T7	0	26	0	0
T8	0	106	0	0
T10	0	84	0	0
T17	4181	0	0	0
T18	881	0	0	0
T19	651	0	0	0
T20	2843	0	0	0
T21	1634	0	0	0
T34	0	30	0	0
T45	0	228	0	0
T46	0	32	0	0
T49	958	0	0	0
T50	950	0	0	0
T51	0	243	0	0
T73	0	138	0	0

SrcPulseCheck_M

Name	Attempts	Real Successes	Failures	Incomplete
Total	1271610	51702	0	0
T1	103	50	0	0
T2	145	0	0	0
T3	252	53	0	0
T7	0	26	0	0
T8	0	106	0	0
T10	0	17	0	0
T17	609	0	0	0
T18	128	0	0	0
T19	99	0	0	0
T20	414	0	0	0
T21	238	0	0	0
T34	0	30	0	0
T45	0	228	0	0
T46	0	32	0	0
T49	139	0	0	0
T50	139	0	0	0
T51	0	243	0	0
T73	0	138	0	0