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OpenSTA/parasitics/test/parasitics_estimate_wirerc.ok

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Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 13178, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 13211, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 13244, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 13277, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 13310, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 13343, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 13376, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 14772, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 14805, timing group from output port.
Warning: ../../test/asap7/asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120.lib.gz line 14838, timing group from output port.
--- baseline ---
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
0.00 0.00 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
48.40 48.40 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
11.77 60.17 ^ u1/Y (BUFx2_ASAP7_75t_R)
14.88 75.04 ^ u2/Y (AND2x2_ASAP7_75t_R)
0.00 75.04 ^ r3/D (DFFHQx4_ASAP7_75t_R)
75.04 data arrival time
500.00 500.00 clock clk (rise edge)
0.00 500.00 clock network delay (propagated)
0.00 500.00 clock reconvergence pessimism
500.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-5.78 494.22 library setup time
494.22 data required time
---------------------------------------------------------
494.22 data required time
-75.04 data arrival time
---------------------------------------------------------
419.17 slack (MET)
PASS: baseline
Found 10 unannotated drivers.
Found 0 partially unannotated drivers.
PASS: baseline parasitic annotation
--- set_pi_model with varied parameters ---
set_pi_model u1/Y (small):
set_pi_model u2/Y (medium):
set_pi_model r1/Q (large):
set_pi_model r2/Q:
set_pi_model r3/Q:
--- set_elmore varied ---
set_elmore u1/Y -> u2/A (small):
set_elmore u2/Y -> r3/D (medium):
set_elmore r1/Q -> u1/A (large):
set_elmore r2/Q -> u2/B:
set_elmore r3/Q -> out:
--- timing with varied parasitics ---
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
0.00 0.00 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
48.40 48.40 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
11.77 60.17 ^ u1/Y (BUFx2_ASAP7_75t_R)
14.88 75.04 ^ u2/Y (AND2x2_ASAP7_75t_R)
0.00 75.04 ^ r3/D (DFFHQx4_ASAP7_75t_R)
75.04 data arrival time
500.00 500.00 clock clk (rise edge)
0.00 500.00 clock network delay (propagated)
0.00 500.00 clock reconvergence pessimism
500.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-5.78 494.22 library setup time
494.22 data required time
---------------------------------------------------------
494.22 data required time
-75.04 data arrival time
---------------------------------------------------------
419.17 slack (MET)
PASS: report_checks with varied parasitics
Startpoint: in1 (input port clocked by clk)
Endpoint: r1 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: min
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (ideal)
1.00 1.00 v input external delay
0.00 1.00 v in1 (in)
0.00 1.00 v r1/D (DFFHQx4_ASAP7_75t_R)
1.00 data arrival time
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
0.00 0.00 clock reconvergence pessimism
0.00 ^ r1/CLK (DFFHQx4_ASAP7_75t_R)
8.56 8.56 library hold time
8.56 data required time
---------------------------------------------------------
8.56 data required time
-1.00 data arrival time
---------------------------------------------------------
-7.56 slack (VIOLATED)
PASS: min path
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
0.00 0.00 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
48.40 48.40 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
11.77 60.17 ^ u1/Y (BUFx2_ASAP7_75t_R)
14.88 75.04 ^ u2/Y (AND2x2_ASAP7_75t_R)
0.00 75.04 ^ r3/D (DFFHQx4_ASAP7_75t_R)
75.04 data arrival time
500.00 500.00 clock clk (rise edge)
0.00 500.00 clock network delay (propagated)
0.00 500.00 clock reconvergence pessimism
500.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-5.78 494.22 library setup time
494.22 data required time
---------------------------------------------------------
494.22 data required time
-75.04 data arrival time
---------------------------------------------------------
419.17 slack (MET)
PASS: max path
Warning: parasitics_estimate_wirerc.tcl line 1, unknown field nets.
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Fanout Cap Slew Delay Time Description
-----------------------------------------------------------------------------
0.00 0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
10.00 0.00 0.00 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
1 0.58 6.10 48.40 48.40 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
6.10 0.00 48.40 ^ u1/A (BUFx2_ASAP7_75t_R)
1 0.57 5.15 11.77 60.17 ^ u1/Y (BUFx2_ASAP7_75t_R)
5.15 0.00 60.17 ^ u2/B (AND2x2_ASAP7_75t_R)
1 0.62 6.96 14.88 75.04 ^ u2/Y (AND2x2_ASAP7_75t_R)
6.96 0.00 75.04 ^ r3/D (DFFHQx4_ASAP7_75t_R)
75.04 data arrival time
0.00 500.00 500.00 clock clk (rise edge)
0.00 500.00 clock network delay (propagated)
0.00 500.00 clock reconvergence pessimism
500.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-5.78 494.22 library setup time
494.22 data required time
-----------------------------------------------------------------------------
494.22 data required time
-75.04 data arrival time
-----------------------------------------------------------------------------
419.17 slack (MET)
PASS: report with fields
--- arnoldi with estimated ---
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
0.00 0.00 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
48.40 48.40 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
11.77 60.17 ^ u1/Y (BUFx2_ASAP7_75t_R)
14.88 75.04 ^ u2/Y (AND2x2_ASAP7_75t_R)
0.00 75.04 ^ r3/D (DFFHQx4_ASAP7_75t_R)
75.04 data arrival time
500.00 500.00 clock clk (rise edge)
0.00 500.00 clock network delay (propagated)
0.00 500.00 clock reconvergence pessimism
500.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-5.78 494.22 library setup time
494.22 data required time
---------------------------------------------------------
494.22 data required time
-75.04 data arrival time
---------------------------------------------------------
419.17 slack (MET)
PASS: arnoldi
Library: asap7sc7p5t_INVBUF_RVT_FF_nldm_211120
Cell: BUFx2_ASAP7_75t_R
Arc sense: positive_unate
Arc type: combinational
A ^ -> Y ^
P = 1.00 V = 0.77 T = 0.00
------- input_net_transition = 6.10
| total_output_net_capacitance = 0.57
| 1.44 2.88
v --------------------
5.00 | 12.83 15.15
10.00 | 14.38 16.68
Table value = 11.77
PVT scale factor = 1.00
Delay = 11.77
------- input_net_transition = 6.10
| total_output_net_capacitance = 0.57
| 1.44 2.88
v --------------------
5.00 | 7.61 11.68
10.00 | 7.63 11.70
Table value = 5.15
PVT scale factor = 1.00
Slew = 5.15
.............................................
A v -> Y v
P = 1.00 V = 0.77 T = 0.00
------- input_net_transition = 5.28
| total_output_net_capacitance = 0.57
| 1.44 2.88
v --------------------
5.00 | 13.40 15.61
10.00 | 15.03 17.25
Table value = 12.15
PVT scale factor = 1.00
Delay = 12.15
------- input_net_transition = 5.28
| total_output_net_capacitance = 0.57
| 1.44 2.88
v --------------------
5.00 | 7.00 10.43
10.00 | 7.02 10.45
Table value = 4.92
PVT scale factor = 1.00
Slew = 4.92
.............................................
arnoldi dcalc u1: done
Library: asap7sc7p5t_SIMPLE_RVT_FF_nldm_211120
Cell: AND2x2_ASAP7_75t_R
Arc sense: positive_unate
Arc type: combinational
A ^ -> Y ^
P = 1.00 V = 0.70 T = 25.00
------- input_net_transition = 6.03
| total_output_net_capacitance = 0.62
| 1.44 2.88
v --------------------
5.00 | 16.66 19.55
10.00 | 17.80 20.69
Table value = 15.25
PVT scale factor = 1.00
Delay = 15.25
------- input_net_transition = 6.03
| total_output_net_capacitance = 0.62
| 1.44 2.88
v --------------------
5.00 | 9.68 14.48
10.00 | 9.68 14.48
Table value = 6.96
PVT scale factor = 1.00
Slew = 6.96
.............................................
A v -> Y v
P = 1.00 V = 0.70 T = 25.00
------- input_net_transition = 5.20
| total_output_net_capacitance = 0.62
| 1.44 2.88
v --------------------
5.00 | 16.72 19.23
10.00 | 18.41 20.93
Table value = 15.36
PVT scale factor = 1.00
Delay = 15.36
------- input_net_transition = 5.20
| total_output_net_capacitance = 0.62
| 1.44 2.88
v --------------------
5.00 | 8.19 11.99
10.00 | 8.20 11.97
Table value = 6.03
PVT scale factor = 1.00
Slew = 6.03
.............................................
arnoldi dcalc u2: done
--- lumped_cap with estimated ---
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
0.00 0.00 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
48.40 48.40 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
11.77 60.17 ^ u1/Y (BUFx2_ASAP7_75t_R)
14.88 75.04 ^ u2/Y (AND2x2_ASAP7_75t_R)
0.00 75.04 ^ r3/D (DFFHQx4_ASAP7_75t_R)
75.04 data arrival time
500.00 500.00 clock clk (rise edge)
0.00 500.00 clock network delay (propagated)
0.00 500.00 clock reconvergence pessimism
500.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-5.78 494.22 library setup time
494.22 data required time
---------------------------------------------------------
494.22 data required time
-75.04 data arrival time
---------------------------------------------------------
419.17 slack (MET)
PASS: lumped_cap
Library: asap7sc7p5t_INVBUF_RVT_FF_nldm_211120
Cell: BUFx2_ASAP7_75t_R
Arc sense: positive_unate
Arc type: combinational
A ^ -> Y ^
P = 1.00 V = 0.77 T = 0.00
------- input_net_transition = 6.10
| total_output_net_capacitance = 0.57
| 1.44 2.88
v --------------------
5.00 | 12.83 15.15
10.00 | 14.38 16.68
Table value = 11.77
PVT scale factor = 1.00
Delay = 11.77
------- input_net_transition = 6.10
| total_output_net_capacitance = 0.57
| 1.44 2.88
v --------------------
5.00 | 7.61 11.68
10.00 | 7.63 11.70
Table value = 5.15
PVT scale factor = 1.00
Slew = 5.15
.............................................
A v -> Y v
P = 1.00 V = 0.77 T = 0.00
------- input_net_transition = 5.28
| total_output_net_capacitance = 0.57
| 1.44 2.88
v --------------------
5.00 | 13.40 15.61
10.00 | 15.03 17.25
Table value = 12.15
PVT scale factor = 1.00
Delay = 12.15
------- input_net_transition = 5.28
| total_output_net_capacitance = 0.57
| 1.44 2.88
v --------------------
5.00 | 7.00 10.43
10.00 | 7.02 10.45
Table value = 4.92
PVT scale factor = 1.00
Slew = 4.92
.............................................
lumped_cap dcalc u1: done
--- dmp_ceff_two_pole with estimated ---
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
0.00 0.00 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
48.40 48.40 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
11.77 60.17 ^ u1/Y (BUFx2_ASAP7_75t_R)
14.88 75.04 ^ u2/Y (AND2x2_ASAP7_75t_R)
0.00 75.04 ^ r3/D (DFFHQx4_ASAP7_75t_R)
75.04 data arrival time
500.00 500.00 clock clk (rise edge)
0.00 500.00 clock network delay (propagated)
0.00 500.00 clock reconvergence pessimism
500.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-5.78 494.22 library setup time
494.22 data required time
---------------------------------------------------------
494.22 data required time
-75.04 data arrival time
---------------------------------------------------------
419.17 slack (MET)
PASS: dmp_ceff_two_pole
Library: asap7sc7p5t_SEQ_RVT_FF_nldm_220123
Cell: DFFHQx4_ASAP7_75t_R
Arc sense: non_unate
Arc type: Reg Clk to Q
CLK ^ -> Q ^
P = 1.00 V = 0.77 T = 0.00
------- input_net_transition = 10.00
| total_output_net_capacitance = 0.52
| 1.44 2.88
v --------------------
10.00 | 49.30 50.80
20.00 | 52.04 53.53
Table value = 48.34
PVT scale factor = 1.00
Delay = 48.34
------- input_net_transition = 10.00
| total_output_net_capacitance = 0.52
| 1.44 2.88
v --------------------
10.00 | 7.26 9.21
20.00 | 7.26 9.21
Table value = 6.03
PVT scale factor = 1.00
Slew = 6.03
Driver waveform slew = 6.03
.............................................
CLK ^ -> Q v
P = 1.00 V = 0.77 T = 0.00
------- input_net_transition = 10.00
| total_output_net_capacitance = 0.51
| 1.44 2.88
v --------------------
10.00 | 47.74 49.14
20.00 | 50.34 51.75
Table value = 46.84
PVT scale factor = 1.00
Delay = 46.84
------- input_net_transition = 10.00
| total_output_net_capacitance = 0.51
| 1.44 2.88
v --------------------
10.00 | 6.31 8.01
20.00 | 6.30 8.01
Table value = 5.20
PVT scale factor = 1.00
Slew = 5.20
Driver waveform slew = 5.20
.............................................
dmp_ceff_two_pole dcalc r1: done
--- override pi model ---
re-set pi_model u1/Y:
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
0.00 0.00 clock network delay (propagated)
0.00 0.00 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
48.40 48.40 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
11.77 60.17 ^ u1/Y (BUFx2_ASAP7_75t_R)
14.88 75.04 ^ u2/Y (AND2x2_ASAP7_75t_R)
0.00 75.04 ^ r3/D (DFFHQx4_ASAP7_75t_R)
75.04 data arrival time
500.00 500.00 clock clk (rise edge)
0.00 500.00 clock network delay (propagated)
0.00 500.00 clock reconvergence pessimism
500.00 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-5.78 494.22 library setup time
494.22 data required time
---------------------------------------------------------
494.22 data required time
-75.04 data arrival time
---------------------------------------------------------
419.17 slack (MET)
PASS: report after pi_model override
--- SPEF override ---
PASS: read_spef after manual parasitics
Startpoint: r2 (rising edge-triggered flip-flop clocked by clk)
Endpoint: r3 (rising edge-triggered flip-flop clocked by clk)
Path Group: clk
Path Type: max
Delay Time Description
---------------------------------------------------------
0.00 0.00 clock clk (rise edge)
12.11 12.11 clock network delay (propagated)
0.00 12.11 ^ r2/CLK (DFFHQx4_ASAP7_75t_R)
56.18 68.29 ^ r2/Q (DFFHQx4_ASAP7_75t_R)
11.77 80.05 ^ u1/Y (BUFx2_ASAP7_75t_R)
14.88 94.93 ^ u2/Y (AND2x2_ASAP7_75t_R)
0.00 94.93 ^ r3/D (DFFHQx4_ASAP7_75t_R)
94.93 data arrival time
500.00 500.00 clock clk (rise edge)
11.92 511.92 clock network delay (propagated)
0.00 511.92 clock reconvergence pessimism
511.92 ^ r3/CLK (DFFHQx4_ASAP7_75t_R)
-3.87 508.05 library setup time
508.05 data required time
---------------------------------------------------------
508.05 data required time
-94.93 data arrival time
---------------------------------------------------------
413.12 slack (MET)
PASS: report_checks after SPEF override
Found 0 unannotated drivers.
Found 0 partially unannotated drivers.
PASS: parasitic annotation after SPEF
Found 0 unannotated drivers.
Found 0 partially unannotated drivers.
PASS: parasitic annotation unannotated after SPEF
--- report_net after SPEF ---
Net r1q
Pin capacitance: 0.3994-0.5226
Wire capacitance: 0.0000
Total capacitance: 0.3994-0.5226
Number of drivers: 1
Number of loads: 1
Number of pins: 2
Driver pins
r1/Q output (DFFHQx4_ASAP7_75t_R)
Load pins
u2/A input (AND2x2_ASAP7_75t_R) 0.3994-0.5226
report_net r1q: done
Net r2q
Pin capacitance: 0.4414-0.5770
Wire capacitance: 0.0000
Total capacitance: 0.4414-0.5770
Number of drivers: 1
Number of loads: 1
Number of pins: 2
Driver pins
r2/Q output (DFFHQx4_ASAP7_75t_R)
Load pins
u1/A input (BUFx2_ASAP7_75t_R) 0.4414-0.5770
report_net r2q: done
Net u1z
Pin capacitance: 0.3171-0.5657
Wire capacitance: 0.0000
Total capacitance: 0.3171-0.5657
Number of drivers: 1
Number of loads: 1
Number of pins: 2
Driver pins
u1/Y output (BUFx2_ASAP7_75t_R)
Load pins
u2/B input (AND2x2_ASAP7_75t_R) 0.3171-0.5657
report_net u1z: done
Net u2z
Pin capacitance: 0.5479-0.6212
Wire capacitance: 0.0000
Total capacitance: 0.5479-0.6212
Number of drivers: 1
Number of loads: 1
Number of pins: 2
Driver pins
u2/Y output (AND2x2_ASAP7_75t_R)
Load pins
r3/D input (DFFHQx4_ASAP7_75t_R) 0.5479-0.6212
report_net u2z: done
Net out
Pin capacitance: 0.0000
Wire capacitance: 0.0020
Total capacitance: 0.0020
Number of drivers: 1
Number of loads: 1
Number of pins: 2
Driver pins
r3/Q output (DFFHQx4_ASAP7_75t_R)
Load pins
out output port
report_net out: done
Net in1
Pin capacitance: 0.5479-0.6212
Wire capacitance: 13.4000-13.4000
Total capacitance: 13.9479-14.0212
Number of drivers: 1
Number of loads: 1
Number of pins: 2
Driver pins
in1 input port
Load pins
r1/D input (DFFHQx4_ASAP7_75t_R) 0.5479-0.6212
report_net in1: done
Net in2
Pin capacitance: 0.5479-0.6212
Wire capacitance: 13.4000-13.4000
Total capacitance: 13.9479-14.0212
Number of drivers: 1
Number of loads: 1
Number of pins: 2
Driver pins
in2 input port
Load pins
r2/D input (DFFHQx4_ASAP7_75t_R) 0.5479-0.6212
report_net in2: done
--- annotated delay ---
Not
Delay type Total Annotated Annotated
----------------------------------------------------------------
cell arcs 6 0 6
internal net arcs 4 0 4
----------------------------------------------------------------
10 0 10
annotated -cell -net: done
Not
Delay type Total Annotated Annotated
----------------------------------------------------------------
net arcs from primary inputs 5 0 5
net arcs to primary outputs 1 0 1
----------------------------------------------------------------
6 0 6
annotated from/to: done
Not
Delay type Total Annotated Annotated
----------------------------------------------------------------
cell arcs 6 0 6
internal net arcs 4 0 4
net arcs from primary inputs 5 0 5
net arcs to primary outputs 1 0 1
----------------------------------------------------------------
16 0 16
Annotated Arcs
annotated -report_annotated: done
Not
Delay type Total Annotated Annotated
----------------------------------------------------------------
cell arcs 6 0 6
internal net arcs 4 0 4
net arcs from primary inputs 5 0 5
net arcs to primary outputs 1 0 1
----------------------------------------------------------------
16 0 16
Unannotated Arcs
primary input net clk1 -> r1/CLK
primary input net clk2 -> r2/CLK
primary input net clk3 -> r3/CLK
primary input net in1 -> r1/D
primary input net in2 -> r2/D
delay r1/CLK -> r1/Q
internal net r1/Q -> u2/A
delay r2/CLK -> r2/Q
internal net r2/Q -> u1/A
delay r3/CLK -> r3/Q
primary output net r3/Q -> out
delay u1/A -> u1/Y
internal net u1/Y -> u2/B
delay u2/A -> u2/Y
delay u2/B -> u2/Y
internal net u2/Y -> r3/D
annotated -report_unannotated: done
ALL PASSED
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