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Spectre simulation ERROR, convergence issue

SM202501097919 6 months ago

Hi all,

I am beginner in Cadence. I am trying a Verilog A code - Spectre, for creating a Memristor model. But I am getting the following error, where I am using a custom input of ramp signal(which I made a model also),

Notice from spectre during initial setup.
    APS enabled.

Time for parsing: CPU = 1.357 ms, elapsed = 147.152 ms.
Time accumulated: CPU = 99.794 ms, elapsed = 1.72537 s.
Peak resident memory used = 116 Mbytes.

~~~~~~~~~~~~~~~~~~~~~~
Pre-Simulation Summary
~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~

**********************************************
Transient Analysis `tran': time = (0 s -> 4 s)
**********************************************
Matrix is singular (detected at `I0.ion').
Trying `homotopy = gmin' for initial conditions.
Matrix is singular (detected at `I0.ion').
Trying `homotopy = source' for initial conditions.
Matrix is singular (detected at `I0.fil').
Trying `homotopy = dptran' for initial conditions.
Matrix is singular (detected at `I0.ion').
Matrix is singular (detected at `I0.fil').
.
Matrix is singular (detected at `I0.ion').
Trying `homotopy = ptran' for initial conditions.
Matrix is singular (detected at `I0.fil').

Error found by spectre during IC analysis, during transient analysis `tran'.
    ERROR (SPECTRE-16080): Cannot print DC solution because DC did not converge. Resolve the convergence issue and rerun the simulation.


The values for those nodes that did not converge on the last Newton iteration are given below. The manner in which the convergence criteria were not satisfied is also given.
            Failed test: | Value | > RelTol*Ref + AbsTol

Top 10 Solution too large Convergence failure:
    V(I0.n_fil) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0.n_ac) = 0 V
        update too large: | -6.33963 V | > 0 V + 1 uV
    V(I0.ion) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0.fil) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0:fil_filAtu_probe) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    I(I0:fil_filAtu_flow) = 0 A
        update too large: | -5.68985 uA | > 0 A + 1 pA
    I(I0:filAtu_be_flow) = 0 A
        update too large: | -5.67889 uA | > 0 A + 1 pA
    I(I1:vout_gnd_flow) = 0 A
        update too large: | -4.31595 pA | > 0 A + 1 pA
Top 10 Residue too large Convergence failure:
    I(I0:track_gap_gnd_flow) = 0 A
        residue too large: | 20 V | > 100 mV + 1 uV
    V(I0:idt0) = 0 V
        residue too large: | 10 mV | > 50 uV + 1 uV
    V(I0.filAtu) = 0 V
        residue too large: | -4.20477 pA | > 21.0238 fA + 1 pA
    V(out) = 0 V
        residue too large: | 4.20477 pA | > 21.0238 fA + 1 pA

DC simulation time: CPU = 737 us, elapsed = 741.959 us.
Analysis `tran' was terminated prematurely due to an error.
finalTimeOP: writing operating point information to rawfile.

Opening the PSF file ../psf/finalTimeOP.info ...

Error found by spectre during DC analysis, during info `finalTimeOP'.
    ERROR (SPECTRE-16041): The `finalTimeOP' analysis is skipped due to inability to compute operating point. Run 'mmsimpack' (see mmsimpack -h for detailed usage information) to package the netlist and log files as a compressed tar file. Then, contact your Cadence representative or submit a service request via Cadence Online Support, including the tar file and any other information that could help identify the problem.

Analysis `finalTimeOP' was terminated prematurely due to an error.
modelParameter: writing model parameter values to rawfile.

Opening the PSF file ../psf/modelParameter.info ...
element: writing instance parameter values to rawfile.

Opening the PSF file ../psf/element.info ...
outputParameter: writing output parameter values to rawfile.

Opening the PSF file ../psf/outputParameter.info ...
designParamVals: writing netlist parameters to rawfile.

Opening the PSFASCII file ../psf/designParamVals.info ...
primitives: writing primitives to rawfile.

Opening the PSFASCII file ../psf/primitives.info.primitives ...
subckts: writing subcircuits to rawfile.

Opening the PSFASCII file ../psf/subckts.info.subckts ...

Aggregate audit (12:50:17 PM, Thur Feb 27, 2025):
Time used: CPU = 111 ms, elapsed = 1.75 s, util. = 6.35%.
Time spent in licensing: elapsed = 1.09 s, percentage of total = 62.6%.
Peak memory used = 119 Mbytes.
Simulation started at: 12:50:16 PM, Thur Feb 27, 2025, ended at: 12:50:17 PM, Thur Feb 27, 2025, with elapsed time (wall clock): 1.75 s.
spectre completes with 2 errors, 1 warning, and 4 notices.

Can Anyone suggest me, how to debug that error?

Parents

SM202501097919 6 months ago

Hi all,

I am beginner in Cadence. I am trying a Verilog A code - Spectre, for creating a Memristor model. But I am getting the following error, where I am using a custom input of ramp signal(which I made a model also),

Spectre (R) Circuit Simulator
Version 20.1.0.231.isr6 64bit -- 2 May 2021
Copyright (C) 1989-2021 Cadence Design Systems, Inc. All rights reserved worldwide. Cadence and Spectre are registered trademarks of Cadence Design Systems, Inc. All others are the property of their respective holders.

Includes RSA BSAFE(R) Cryptographic or Security Protocol Software from RSA Security, Inc.

User: samrat   Host: cif2.iitpkd.ac.in   HostID: 800A3203   PID: 128701
Memory available: 1.0621 GB physical: 67.0152 GB
Linux   : Red Hat Enterprise Linux release 8.10 (Ootpa)
CPU Type: 12th Gen Intel(R) Core(TM) i7-12700
        Socket: Processors [Frequency] (Hyperthreaded Processor)
        0:       0 [4580.5] ( 1 ), 1 [2100.0] (), 2 [2100.0] ( 3 )
                 3 [2100.0] (), 4 [2100.0] ( 5 ), 5 [2100.0] (), 6 [2100.0] ( 7 )
                 7 [4578.5] (), 8 [2100.0] ( 9 ), 9 [4572.0] (), 10 [4729.6] ( 11 )
                11 [2100.0] (), 12 [4480.4] ( 13 ), 13 [2100.0] (), 14 [4487.5] ( 15 )
                15 [2100.0] (), 16 [2100.0] (), 17 [2100.0] (), 18 [2100.0] (), 19 [2100.0] ()

System load averages (1min, 5min, 15min) : 7.3 %, 10.2 %, 8.6 %
Hyperthreading is enabled
HPC is enabled

Simulating `input.scs' on cif2.iitpkd.ac.in at 12:50:16 PM, Thur Feb 27, 2025 (process id: 128701).
Current working directory: /home/samrat/simulation/Mem_ckt/spectre/schematic/netlist
Command line:
    /home/install/SPECTRE201/tools.lnx86/bin/spectre -64 input.scs \
        +escchars +log ../psf/spectre.out -format psfxl -raw ../psf \
        +aps +lqtimeout 900 -maxw 5 -maxn 5 -env ade

Licensing Information:
[12:50:16.274297] Configured Lic search path (20.02-p002): 5280@c2s.cdacb.in

Licensing Information:
[12:50:17.031458] Periodic Lic check successful

Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libinfineon_sh.so ...
Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libphilips_o_sh.so ...
Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libphilips_sh.so ...
Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libsparam_sh.so ...
Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libstmodels_sh.so ...
Reading file: /home/samrat/simulation/Mem_ckt/spectre/schematic/netlist/input.scs
Reading file: /home/install/SPECTRE201/tools.lnx86/spectre/etc/configs/spectre.cfg
Reading file: /home/samrat/Cadence_memristor/Memristor/Mem_model/veriloga/veriloga.va
Reading file: /home/install/SPECTRE201/tools.lnx86/spectre/etc/ahdl/constants.vams
Reading file: /home/install/SPECTRE201/tools.lnx86/spectre/etc/ahdl/disciplines.vams
Reading file: /home/samrat/Cadence_memristor/Memristor/V_ramp/veriloga/veriloga.va
Time for NDB Parsing: CPU = 42.298 ms, elapsed = 1.56694 s.
Time accumulated: CPU = 87.189 ms, elapsed = 1.56694 s.
Peak resident memory used = 105 Mbytes.

Existing shared object for module Mem_model is up to date.
Installed compiled interface for Mem_model.
Existing shared object for module V_ramp is up to date.
Installed compiled interface for V_ramp.
Time for Elaboration: CPU = 10.855 ms, elapsed = 10.8888 ms.
Time accumulated: CPU = 98.097 ms, elapsed = 1.57788 s.
Peak resident memory used = 113 Mbytes.

Warning from spectre during hierarchy flattening.
    WARNING (SPECTRE-17101): The value 'psf' specified for the 'checklimitdest' option will no longer be supported in future releases. Use 'spectre -h' to see other recommended values for the 'checklimitdest' option.

Time for EDB Visiting: CPU = 242 us, elapsed = 241.995 us.
Time accumulated: CPU = 98.405 ms, elapsed = 1.57819 s.
Peak resident memory used = 114 Mbytes.

Notice from spectre during initial setup.
    Ignorevaref=yes is ignored since all nodes are connected to Verilog-A modules.
    Multithreading is disabled due to the size of the design being too small.

Global user options:
         psfversion = 1.4.0
            vabstol = 1e-06
            iabstol = 1e-12
               temp = 27
               gmin = 1e-12
             rforce = 1
           maxnotes = 5
           maxwarns = 5
             digits = 5
               cols = 80
             pivrel = 0.001
           sensfile = ../psf/sens.output
     checklimitdest = psf
               save = allpub
             reltol = 0.001
               tnom = 27
             scalem = 1
              scale = 1

Scoped user options:

Circuit inventory:
              nodes 2
          Mem_model 1
           resistor 1
             V_ramp 1

Analysis and control statement inventory:
               info 7
               tran 1

Output statements:
             .probe 0
           .measure 0
               save 1

Notice from spectre during initial setup.
    APS enabled.

Time for parsing: CPU = 1.357 ms, elapsed = 147.152 ms.
Time accumulated: CPU = 99.794 ms, elapsed = 1.72537 s.
Peak resident memory used = 116 Mbytes.

~~~~~~~~~~~~~~~~~~~~~~
Pre-Simulation Summary
~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~

**********************************************
Transient Analysis `tran': time = (0 s -> 4 s)
**********************************************
Matrix is singular (detected at `I0.ion').
Trying `homotopy = gmin' for initial conditions.
Matrix is singular (detected at `I0.ion').
Trying `homotopy = source' for initial conditions.
Matrix is singular (detected at `I0.fil').
Trying `homotopy = dptran' for initial conditions.
Matrix is singular (detected at `I0.ion').
Matrix is singular (detected at `I0.fil').
.
Matrix is singular (detected at `I0.ion').
Trying `homotopy = ptran' for initial conditions.
Matrix is singular (detected at `I0.fil').

Error found by spectre during IC analysis, during transient analysis `tran'.
    ERROR (SPECTRE-16080): Cannot print DC solution because DC did not converge. Resolve the convergence issue and rerun the simulation.


The values for those nodes that did not converge on the last Newton iteration are given below. The manner in which the convergence criteria were not satisfied is also given.
            Failed test: | Value | > RelTol*Ref + AbsTol

Top 10 Solution too large Convergence failure:
    V(I0.n_fil) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0.n_ac) = 0 V
        update too large: | -6.33963 V | > 0 V + 1 uV
    V(I0.ion) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0.fil) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0:fil_filAtu_probe) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    I(I0:fil_filAtu_flow) = 0 A
        update too large: | -5.68985 uA | > 0 A + 1 pA
    I(I0:filAtu_be_flow) = 0 A
        update too large: | -5.67889 uA | > 0 A + 1 pA
    I(I1:vout_gnd_flow) = 0 A
        update too large: | -4.31595 pA | > 0 A + 1 pA
Top 10 Residue too large Convergence failure:
    I(I0:track_gap_gnd_flow) = 0 A
        residue too large: | 20 V | > 100 mV + 1 uV
    V(I0:idt0) = 0 V
        residue too large: | 10 mV | > 50 uV + 1 uV
    V(I0.filAtu) = 0 V
        residue too large: | -4.20477 pA | > 21.0238 fA + 1 pA
    V(out) = 0 V
        residue too large: | 4.20477 pA | > 21.0238 fA + 1 pA

DC simulation time: CPU = 737 us, elapsed = 741.959 us.
Analysis `tran' was terminated prematurely due to an error.
finalTimeOP: writing operating point information to rawfile.

Opening the PSF file ../psf/finalTimeOP.info ...

Error found by spectre during DC analysis, during info `finalTimeOP'.
    ERROR (SPECTRE-16041): The `finalTimeOP' analysis is skipped due to inability to compute operating point. Run 'mmsimpack' (see mmsimpack -h for detailed usage information) to package the netlist and log files as a compressed tar file. Then, contact your Cadence representative or submit a service request via Cadence Online Support, including the tar file and any other information that could help identify the problem.

Analysis `finalTimeOP' was terminated prematurely due to an error.
modelParameter: writing model parameter values to rawfile.

Opening the PSF file ../psf/modelParameter.info ...
element: writing instance parameter values to rawfile.

Opening the PSF file ../psf/element.info ...
outputParameter: writing output parameter values to rawfile.

Opening the PSF file ../psf/outputParameter.info ...
designParamVals: writing netlist parameters to rawfile.

Opening the PSFASCII file ../psf/designParamVals.info ...
primitives: writing primitives to rawfile.

Opening the PSFASCII file ../psf/primitives.info.primitives ...
subckts: writing subcircuits to rawfile.

Opening the PSFASCII file ../psf/subckts.info.subckts ...
Licensing Information:
Lic Summary:
[12:50:17.236666] Cdslmd servers:5280@c2s.cdacb.in
[12:50:17.236683] Feature usage summary:
[12:50:17.236683] Virtuoso_Multi_mode_Simulation

Aggregate audit (12:50:17 PM, Thur Feb 27, 2025):
Time used: CPU = 111 ms, elapsed = 1.75 s, util. = 6.35%.
Time spent in licensing: elapsed = 1.09 s, percentage of total = 62.6%.
Peak memory used = 119 Mbytes.
Simulation started at: 12:50:16 PM, Thur Feb 27, 2025, ended at: 12:50:17 PM, Thur Feb 27, 2025, with elapsed time (wall clock): 1.75 s.
spectre completes with 2 errors, 1 warning, and 4 notices.

Can anyone, help me to debug the error.
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Reply

SM202501097919 6 months ago

Hi all,

I am beginner in Cadence. I am trying a Verilog A code - Spectre, for creating a Memristor model. But I am getting the following error, where I am using a custom input of ramp signal(which I made a model also),

Spectre (R) Circuit Simulator
Version 20.1.0.231.isr6 64bit -- 2 May 2021
Copyright (C) 1989-2021 Cadence Design Systems, Inc. All rights reserved worldwide. Cadence and Spectre are registered trademarks of Cadence Design Systems, Inc. All others are the property of their respective holders.

Includes RSA BSAFE(R) Cryptographic or Security Protocol Software from RSA Security, Inc.

User: samrat   Host: cif2.iitpkd.ac.in   HostID: 800A3203   PID: 128701
Memory available: 1.0621 GB physical: 67.0152 GB
Linux   : Red Hat Enterprise Linux release 8.10 (Ootpa)
CPU Type: 12th Gen Intel(R) Core(TM) i7-12700
        Socket: Processors [Frequency] (Hyperthreaded Processor)
        0:       0 [4580.5] ( 1 ), 1 [2100.0] (), 2 [2100.0] ( 3 )
                 3 [2100.0] (), 4 [2100.0] ( 5 ), 5 [2100.0] (), 6 [2100.0] ( 7 )
                 7 [4578.5] (), 8 [2100.0] ( 9 ), 9 [4572.0] (), 10 [4729.6] ( 11 )
                11 [2100.0] (), 12 [4480.4] ( 13 ), 13 [2100.0] (), 14 [4487.5] ( 15 )
                15 [2100.0] (), 16 [2100.0] (), 17 [2100.0] (), 18 [2100.0] (), 19 [2100.0] ()

System load averages (1min, 5min, 15min) : 7.3 %, 10.2 %, 8.6 %
Hyperthreading is enabled
HPC is enabled

Simulating `input.scs' on cif2.iitpkd.ac.in at 12:50:16 PM, Thur Feb 27, 2025 (process id: 128701).
Current working directory: /home/samrat/simulation/Mem_ckt/spectre/schematic/netlist
Command line:
    /home/install/SPECTRE201/tools.lnx86/bin/spectre -64 input.scs \
        +escchars +log ../psf/spectre.out -format psfxl -raw ../psf \
        +aps +lqtimeout 900 -maxw 5 -maxn 5 -env ade

Licensing Information:
[12:50:16.274297] Configured Lic search path (20.02-p002): 5280@c2s.cdacb.in

Licensing Information:
[12:50:17.031458] Periodic Lic check successful

Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libinfineon_sh.so ...
Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libphilips_o_sh.so ...
Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libphilips_sh.so ...
Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libsparam_sh.so ...
Loading /home/install/SPECTRE201/tools.lnx86/cmi/lib/64bit/5.0/libstmodels_sh.so ...
Reading file: /home/samrat/simulation/Mem_ckt/spectre/schematic/netlist/input.scs
Reading file: /home/install/SPECTRE201/tools.lnx86/spectre/etc/configs/spectre.cfg
Reading file: /home/samrat/Cadence_memristor/Memristor/Mem_model/veriloga/veriloga.va
Reading file: /home/install/SPECTRE201/tools.lnx86/spectre/etc/ahdl/constants.vams
Reading file: /home/install/SPECTRE201/tools.lnx86/spectre/etc/ahdl/disciplines.vams
Reading file: /home/samrat/Cadence_memristor/Memristor/V_ramp/veriloga/veriloga.va
Time for NDB Parsing: CPU = 42.298 ms, elapsed = 1.56694 s.
Time accumulated: CPU = 87.189 ms, elapsed = 1.56694 s.
Peak resident memory used = 105 Mbytes.

Existing shared object for module Mem_model is up to date.
Installed compiled interface for Mem_model.
Existing shared object for module V_ramp is up to date.
Installed compiled interface for V_ramp.
Time for Elaboration: CPU = 10.855 ms, elapsed = 10.8888 ms.
Time accumulated: CPU = 98.097 ms, elapsed = 1.57788 s.
Peak resident memory used = 113 Mbytes.

Warning from spectre during hierarchy flattening.
    WARNING (SPECTRE-17101): The value 'psf' specified for the 'checklimitdest' option will no longer be supported in future releases. Use 'spectre -h' to see other recommended values for the 'checklimitdest' option.

Time for EDB Visiting: CPU = 242 us, elapsed = 241.995 us.
Time accumulated: CPU = 98.405 ms, elapsed = 1.57819 s.
Peak resident memory used = 114 Mbytes.

Notice from spectre during initial setup.
    Ignorevaref=yes is ignored since all nodes are connected to Verilog-A modules.
    Multithreading is disabled due to the size of the design being too small.

Global user options:
         psfversion = 1.4.0
            vabstol = 1e-06
            iabstol = 1e-12
               temp = 27
               gmin = 1e-12
             rforce = 1
           maxnotes = 5
           maxwarns = 5
             digits = 5
               cols = 80
             pivrel = 0.001
           sensfile = ../psf/sens.output
     checklimitdest = psf
               save = allpub
             reltol = 0.001
               tnom = 27
             scalem = 1
              scale = 1

Scoped user options:

Circuit inventory:
              nodes 2
          Mem_model 1
           resistor 1
             V_ramp 1

Analysis and control statement inventory:
               info 7
               tran 1

Output statements:
             .probe 0
           .measure 0
               save 1

Notice from spectre during initial setup.
    APS enabled.

Time for parsing: CPU = 1.357 ms, elapsed = 147.152 ms.
Time accumulated: CPU = 99.794 ms, elapsed = 1.72537 s.
Peak resident memory used = 116 Mbytes.

~~~~~~~~~~~~~~~~~~~~~~
Pre-Simulation Summary
~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~

**********************************************
Transient Analysis `tran': time = (0 s -> 4 s)
**********************************************
Matrix is singular (detected at `I0.ion').
Trying `homotopy = gmin' for initial conditions.
Matrix is singular (detected at `I0.ion').
Trying `homotopy = source' for initial conditions.
Matrix is singular (detected at `I0.fil').
Trying `homotopy = dptran' for initial conditions.
Matrix is singular (detected at `I0.ion').
Matrix is singular (detected at `I0.fil').
.
Matrix is singular (detected at `I0.ion').
Trying `homotopy = ptran' for initial conditions.
Matrix is singular (detected at `I0.fil').

Error found by spectre during IC analysis, during transient analysis `tran'.
    ERROR (SPECTRE-16080): Cannot print DC solution because DC did not converge. Resolve the convergence issue and rerun the simulation.


The values for those nodes that did not converge on the last Newton iteration are given below. The manner in which the convergence criteria were not satisfied is also given.
            Failed test: | Value | > RelTol*Ref + AbsTol

Top 10 Solution too large Convergence failure:
    V(I0.n_fil) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0.n_ac) = 0 V
        update too large: | -6.33963 V | > 0 V + 1 uV
    V(I0.ion) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0.fil) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    V(I0:fil_filAtu_probe) = 0 V
        update too large: | 6.33963 V | > 0 V + 1 uV
    I(I0:fil_filAtu_flow) = 0 A
        update too large: | -5.68985 uA | > 0 A + 1 pA
    I(I0:filAtu_be_flow) = 0 A
        update too large: | -5.67889 uA | > 0 A + 1 pA
    I(I1:vout_gnd_flow) = 0 A
        update too large: | -4.31595 pA | > 0 A + 1 pA
Top 10 Residue too large Convergence failure:
    I(I0:track_gap_gnd_flow) = 0 A
        residue too large: | 20 V | > 100 mV + 1 uV
    V(I0:idt0) = 0 V
        residue too large: | 10 mV | > 50 uV + 1 uV
    V(I0.filAtu) = 0 V
        residue too large: | -4.20477 pA | > 21.0238 fA + 1 pA
    V(out) = 0 V
        residue too large: | 4.20477 pA | > 21.0238 fA + 1 pA

DC simulation time: CPU = 737 us, elapsed = 741.959 us.
Analysis `tran' was terminated prematurely due to an error.
finalTimeOP: writing operating point information to rawfile.

Opening the PSF file ../psf/finalTimeOP.info ...

Error found by spectre during DC analysis, during info `finalTimeOP'.
    ERROR (SPECTRE-16041): The `finalTimeOP' analysis is skipped due to inability to compute operating point. Run 'mmsimpack' (see mmsimpack -h for detailed usage information) to package the netlist and log files as a compressed tar file. Then, contact your Cadence representative or submit a service request via Cadence Online Support, including the tar file and any other information that could help identify the problem.

Analysis `finalTimeOP' was terminated prematurely due to an error.
modelParameter: writing model parameter values to rawfile.

Opening the PSF file ../psf/modelParameter.info ...
element: writing instance parameter values to rawfile.

Opening the PSF file ../psf/element.info ...
outputParameter: writing output parameter values to rawfile.

Opening the PSF file ../psf/outputParameter.info ...
designParamVals: writing netlist parameters to rawfile.

Opening the PSFASCII file ../psf/designParamVals.info ...
primitives: writing primitives to rawfile.

Opening the PSFASCII file ../psf/primitives.info.primitives ...
subckts: writing subcircuits to rawfile.

Opening the PSFASCII file ../psf/subckts.info.subckts ...
Licensing Information:
Lic Summary:
[12:50:17.236666] Cdslmd servers:5280@c2s.cdacb.in
[12:50:17.236683] Feature usage summary:
[12:50:17.236683] Virtuoso_Multi_mode_Simulation

Aggregate audit (12:50:17 PM, Thur Feb 27, 2025):
Time used: CPU = 111 ms, elapsed = 1.75 s, util. = 6.35%.
Time spent in licensing: elapsed = 1.09 s, percentage of total = 62.6%.
Peak memory used = 119 Mbytes.
Simulation started at: 12:50:16 PM, Thur Feb 27, 2025, ended at: 12:50:17 PM, Thur Feb 27, 2025, with elapsed time (wall clock): 1.75 s.
spectre completes with 2 errors, 1 warning, and 4 notices.

Can anyone, help me to debug the error.
Cancel
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