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I am trying to simulate a basic ring oscillator circuit using spectra . I have generated a netlist file. when I run it, I am getting the following error: I need help urgently for my thesis

Sudipta

Command line:
/home/buet/cadence/MMSIM121/tools.lnx86/spectre/bin/32bit/spectre \
input.scs +escchars +log ../psf/spectre.out +inter=mpsc \
+mpssession=spectre18_3336_36 -format psfxl -raw ../psf \
+lqtimeout 900 -maxw 5 -maxn 5
spectre pid = 6451

Loading /home/buet/cadence/MMSIM121/tools.lnx86/cmi/lib/5.0/libinfineon_sh.so ...
Loading /home/buet/cadence/MMSIM121/tools.lnx86/cmi/lib/5.0/libphilips_o_sh.so ...
Loading /home/buet/cadence/MMSIM121/tools.lnx86/cmi/lib/5.0/libphilips_sh.so ...
Loading /home/buet/cadence/MMSIM121/tools.lnx86/cmi/lib/5.0/libsparam_sh.so ...
Loading /home/buet/cadence/MMSIM121/tools.lnx86/cmi/lib/5.0/libstmodels_sh.so ...
Reading file: /home/buet/simulation/ring_modification/spectre/schematic/netlist/input.scs
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/gpdk090.scs
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/gpdk090_mos.scs
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/gpdk090_mos_iso.scs
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/gpdk090_resistor.scs
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/resd_va.va
Reading link: /home/buet/cadence/MMSIM121/tools.lnx86/spectre/etc/ahdl/discipline.h
Reading file: /home/buet/cadence/MMSIM121/tools.lnx86/spectre/etc/ahdl/disciplines.vams
Reading link: /home/buet/cadence/MMSIM121/tools.lnx86/spectre/etc/ahdl/constants.h
Reading file: /home/buet/cadence/MMSIM121/tools.lnx86/spectre/etc/ahdl/constants.vams
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/rnoise_va.va
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/gpdk090_capacitor.scs
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/gpdk090_diode.scs
Reading file: /home/buet/cadence/gpdk090_v4.6/models/spectre/gpdk090_bipolar.scs

Error found by spectre during circuit read-in.
ERROR (SFE-874): "input.scs" 31: Unexpected end of line.


Time for NDB Parsing: CPU = 496.924 ms, elapsed = 484.179 ms.
Time accumulated: CPU = 496.924 ms, elapsed = 484.179 ms.
Peak resident memory used = 32.3 Mbytes.


Time for parsing: CPU = 0 s, elapsed = 15.0204 us.
Time accumulated: CPU = 497.924 ms, elapsed = 484.438 ms.
Peak resident memory used = 32.3 Mbytes.


Aggregate audit (10:01:38 AM, Fri May 20, 2022):
Time used: CPU = 500 ms, elapsed = 500 ms, util. = 100%.
Time spent in licensing: elapsed = 387 ms, percentage of total = 77.4%.
Peak memory used = 32.3 Mbytes.
Simulation started at: 10:01:38 AM, Fri May 20, 2022, ended at: 10:01:38 AM, Fri May 20, 2022, with elapsed time (wall clock): 500 ms.
spectre completes with 1 error, 0 warnings, and 0 notices.
spectre terminated prematurely due to fatal error.

Parents
  • Andrew Beckett
    Sudipta said:

    ERROR (SFE-874): "input.scs" 31: Unexpected end of line.

    Did you look at line 31 of input.scs to see what the problem was? It's a pretty clear error - it suggests that this line in the netlist is incomplete. Perhaps you could share the input.scs (or at least the lines around line 31).

    Also, do you have a good reason for using a 10 year old version of the simulator?

    By the way, your post initially went into moderation because the repeated text in the log you've posted triggers the spam detection, so I had to allow it through. It's better to include log files as attachments rather than in the main text.

    Andrew

Reply
  • Andrew Beckett
    Sudipta said:

    ERROR (SFE-874): "input.scs" 31: Unexpected end of line.

    Did you look at line 31 of input.scs to see what the problem was? It's a pretty clear error - it suggests that this line in the netlist is incomplete. Perhaps you could share the input.scs (or at least the lines around line 31).

    Also, do you have a good reason for using a 10 year old version of the simulator?

    By the way, your post initially went into moderation because the repeated text in the log you've posted triggers the spam detection, so I had to allow it through. It's better to include log files as attachments rather than in the main text.

    Andrew

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