Discussion related to cado-nfs

[Christophe Clavier <christophe.clavier@unilim.fr>]

Hello,

I have some problem to terminate the factorization of a c155 with cado 2.0.
All seemed correct up to the square root phase which terminates with error.

Here is a log of the standard output :

Info:Polynomial Selection: Starting
Info:Polynomial Selection: Best polynomial previously found in 
/home/clavip01/math/cado-nfs-2.0/servers/A_9120_0988.c155/tmp/A_9120_0988.c155.upload/A_9120_0988.c155.polyselect.9448w_.1000000-1200000 
has Murphy_E = 2.4e-12
Info:Polynomial Selection: Polynomial selection already finished - 
nothing to do
Info:Lattice Sieving: Starting
Info:Lattice Sieving: Reached target of 70000000 relations, now have 
107044798
Info:Filtering - Duplicate Removal, splitting pass: Starting
Info:Filtering - Duplicate Removal, splitting pass: No new files to split
Info:Filtering - Duplicate Removal, splitting pass: Relations per slice: 
0: 53523685, 1: 53521113
Info:Filtering - Duplicate Removal, removal pass: Starting
Info:Filtering - Duplicate Removal, removal pass: No new files for slice 
0, nothing to do
Info:Filtering - Duplicate Removal, removal pass: No new files for slice 
1, nothing to do
Info:Filtering - Duplicate Removal, removal pass: 84362931 unique 
relations remain in total
Info:Filtering - Singleton removal: Starting
Info:Filtering - Singleton removal: Already have a purged file, and no 
new input relations available. Nothing to do
Info:Lattice Sieving: Cancelling remaining workunits
Info:Square Root: Starting
Info:Square Root: Creating file of (a,b) values
Info:Square Root: Trying dependency 0
Warning:Command: Process with PID 15120 finished with return code 1
Traceback (most recent call last):
  File "../../scripts/cadofactor/cadofactor.py", line 75, in <module>
    factors = factorjob.run()
  File 
"/home/clavip01/math/cado-nfs-2.0/scripts/cadofactor/cadotask.py", line 
3277, in run
    while self.run_next_task():
  File 
"/home/clavip01/math/cado-nfs-2.0/scripts/cadofactor/cadotask.py", line 
3337, in run_next_task
    return task.run()
  File 
"/home/clavip01/math/cado-nfs-2.0/scripts/cadofactor/cadotask.py", line 
2694, in run
    raise Exception("Program failed")
Exception: Program failed

Any help appreciated

Christophe