Trace number 268603

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
VALCSP 3.1? (MO) 123.243 123.841

General information on the benchmark

Namefapp/fapp26-30/fapp30/
fapp30-3000-10.xml
MD5SUM2b4ef9677f52263fa3f34f9b296a1bd2
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark71.1032
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables3000
Number of constraints63204
Maximum constraint arity2
Maximum domain size778
Number of constraints which are defined in extension0
Number of constraints which are defined in intension63204
Global constraints used (with number of constraints)

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SAT/UNSAT expected)
Got answer: 



Watcher Data (download as text)




runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node6/watcher-268603-1168979560 -o ROOT/results/node6/solver-268603-1168979560 -C 1800 -M 900 /tmp/evaluation/268603-1168979560/VALCSP /tmp/evaluation/268603-1168979560/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB

/proc/loadavg: 1.86 1.88 1.57 5/86 9529
/proc/meminfo: memFree=1732448/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=7472 CPUtime=0
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 1490 0 0 0 0 0 0 0 20 0 1 0 246351588 7651328 1468 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 2623099 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 1868 1468 64 8 0 1540 0

[startup+0.11767 s]
/proc/loadavg: 1.86 1.88 1.57 5/86 9529
/proc/meminfo: memFree=1732448/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=84356 CPUtime=0.1
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 19709 0 0 0 2 8 0 0 20 0 1 0 246351588 86380544 19687 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134533489 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 21089 19687 64 8 0 20761 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 84356

[startup+0.525707 s]
/proc/loadavg: 1.86 1.88 1.57 5/86 9529
/proc/meminfo: memFree=1732448/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=149932 CPUtime=0.51
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 35490 0 0 0 36 15 0 0 24 0 1 0 246351588 153530368 35468 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528685 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 37483 35468 65 8 0 37155 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 149932

[startup+1.3468 s]
/proc/loadavg: 1.86 1.88 1.57 3/86 9529
/proc/meminfo: memFree=1585760/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=157060 CPUtime=1.33
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 37271 0 0 0 117 16 0 0 25 0 1 0 246351588 160829440 37249 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528588 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 39265 37249 65 8 0 38937 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 157060

[startup+2.98699 s]
/proc/loadavg: 1.86 1.88 1.57 3/86 9529
/proc/meminfo: memFree=1575904/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=166564 CPUtime=2.96
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 39645 0 0 0 278 18 0 0 25 0 1 0 246351588 170561536 39623 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 41641 39623 65 8 0 41313 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 166564

[startup+6.26838 s]
/proc/loadavg: 1.87 1.89 1.57 3/86 9529
/proc/meminfo: memFree=1554144/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=190984 CPUtime=6.22
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 45742 0 0 0 602 20 0 0 25 0 1 0 246351588 195567616 45720 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 47746 45720 65 8 0 47418 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 190984

[startup+12.7301 s]
/proc/loadavg: 1.88 1.89 1.57 3/86 9529
/proc/meminfo: memFree=1512608/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=230188 CPUtime=12.65
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 55526 0 0 0 1241 24 0 0 25 0 1 0 246351588 235712512 55504 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529490 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 57547 55504 65 8 0 57219 0
Current children cumulated CPU time (s) 12.65
Current children cumulated vsize (KiB) 230188

[startup+25.5506 s]
/proc/loadavg: 1.90 1.89 1.58 3/86 9529
/proc/meminfo: memFree=1436512/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=308596 CPUtime=25.42
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 75159 0 0 0 2510 32 0 0 25 0 1 0 246351588 316002304 75137 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 77149 75137 65 8 0 76821 0
Current children cumulated CPU time (s) 25.42
Current children cumulated vsize (KiB) 308596

[startup+51.1886 s]
/proc/loadavg: 1.94 1.90 1.59 3/86 9529
/proc/meminfo: memFree=1275936/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=466600 CPUtime=50.93
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 114656 0 0 0 5046 47 0 0 25 0 1 0 246351588 477798400 114634 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 116650 114634 65 8 0 116322 0
Current children cumulated CPU time (s) 50.93
Current children cumulated vsize (KiB) 466600

[startup+102.465 s]
/proc/loadavg: 1.97 1.91 1.60 3/86 9529
/proc/meminfo: memFree=960608/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=786040 CPUtime=101.97
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 194494 0 0 0 10120 77 0 0 25 0 1 0 246351588 804904960 194472 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 196510 194472 65 8 0 196182 0
Current children cumulated CPU time (s) 101.97
Current children cumulated vsize (KiB) 786040



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+123.691 s]
/proc/loadavg: 1.98 1.92 1.61 3/86 9529
/proc/meminfo: memFree=815776/2055924 swapFree=4165736/4192956
[pid=9528] ppid=9526 vsize=923452 CPUtime=123.09
/proc/9528/stat : 9528 (VALCSP) R 9526 9528 9395 0 -1 4194304 228856 0 0 0 12220 89 0 0 25 0 1 0 246351588 945614848 228834 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9528/statm: 230863 228834 65 8 0 230535 0
Current children cumulated CPU time (s) 123.09
Current children cumulated vsize (KiB) 923452

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

Child ended because it received signal 15 (SIGTERM)
Real time (s): 123.841
CPU time (s): 123.243
CPU user time (s): 122.204
CPU system time (s): 1.03884
CPU usage (%): 99.5176
Max. virtual memory (cumulated for all children) (KiB): 923452

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 122.204
system time used= 1.03884
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 228856
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 6
involuntary context switches= 3831

runsolver used 0.162975 s user time and 0.39094 s system time

The end



Launcher Data (download as text)




Begin job on node6 on Tue Jan 16 20:32:42 UTC 2007


IDJOB= 268603
IDBENCH= 4520
IDSOLVER= 90
FILE ID= node6/268603-1168979560

PBS_JOBID= 3565983

Free space on /tmp= 66555 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp26-30/fapp30/fapp30-3000-10.xml
COMMAND LINE= /tmp/evaluation/268603-1168979560/VALCSP /tmp/evaluation/268603-1168979560/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node6/watcher-268603-1168979560 -o ROOT/results/node6/solver-268603-1168979560 -C 1800 -M 900  /tmp/evaluation/268603-1168979560/VALCSP /tmp/evaluation/268603-1168979560/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  2b4ef9677f52263fa3f34f9b296a1bd2

RANDOM SEED= 469459201

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.240
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.240
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055924 kB
MemFree:       1732928 kB
Buffers:         43836 kB
Cached:         176932 kB
SwapCached:       2476 kB
Active:          66636 kB
Inactive:       196820 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1732928 kB
SwapTotal:     4192956 kB
SwapFree:      4165736 kB
Dirty:            8924 kB
Writeback:           0 kB
Mapped:          53156 kB
Slab:            44292 kB
Committed_AS:  7409884 kB
PageTables:       2324 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66555 MiB



End job on node6 on Tue Jan 16 20:34:48 UTC 2007