Error while running the process p p > b b~ a a $ h in heft model

Asked by Harshal Kulkarni

Hi,
While running the process p p > b b~ a a $ h in the heft model, I encountered the following error while launching the output:

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Backtrace for this error:
#0 0x7ffeedf10d5a
#1 0x7ffeedf0fef5
#2 0x7ffeedbc620f
#3 0x7ffeee210577
#4 0x7ffeee21db4f
#5 0x7ffeee22b5cb
#6 0x7ffeee22c779
#7 0x7ffeee244b5b
#8 0x7ffeee20f54e
#9 0x7ffeee20f6c2
#10 0x7ffeedba70b2
#11 0x7ffeee20d41d
#12 0xffffffffffffffff
INFO: Idle: 7, Running: 8, Completed: 0 [ current time: 20h07 ]
rm: cannot remove 'results.dat': No such file or directory
ERROR DETECTED
INFO: Idle: 6, Running: 8, Completed: 1 [ 0.11s ]
INFO: Idle: 5, Running: 8, Completed: 2 [ 3.5s ]
STOP 1
rm: cannot remove 'results.dat': No such file or directory
ERROR DETECTED

Note: The following floating-point exceptions are signalling: IEEE_INVALID_FLAG IEEE_OVERFLOW_FLAG IEEE_UNDERFLOW_FLAG IEEE_DENORMAL
INFO: Idle: 3, Running: 8, Completed: 4 [ 23.7s ]
Note: The following floating-point exceptions are signalling: IEEE_INVALID_FLAG IEEE_OVERFLOW_FLAG IEEE_UNDERFLOW_FLAG IEEE_DENORMAL
Note: The following floating-point exceptions are signalling: IEEE_INVALID_FLAG IEEE_OVERFLOW_FLAG IEEE_UNDERFLOW_FLAG IEEE_DENORMAL
STOP 1
rm: cannot remove 'results.dat': No such file or directory
ERROR DETECTED
Note: The following floating-point exceptions are signalling: IEEE_UNDERFLOW_FLAG IEEE_DENORMAL

And even after this error the program keeps running (for 30+ minutes)
Edit: In the end, the program gives the following error-

INFO: Combining runs
Error when reading /mnt/c/Users/Harshal.Kulkarni/MG5_aMC_v2_9_4/pp_bb~aa$heft/SubProcesses/P1_gg_bbxaa/G28/results.dat
Command "generate_events run_01" interrupted with error:
ValueError : could not convert string to float: ''

Can anyone please tell me the cause of this error and the possible solution?

Thanks,
Harshal

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Olivier Mattelaer (olivier-mattelaer) said :
#1

I do not reproduce any issue here. So I guess that i need more details to reproduce your issue

I have done the following (in the LTS version 2.9.4):
import model heft
generate p p > b b~ a a $h
output
launch

Do I miss something?
I have also set all compilation flag to maximum sensitivity for numerical issue and no crash was triggered.

Cheers,

Olivier

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