Trace number 268622

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) 82.8814 82.9134

General information on the benchmark

Namefapp/fapp26-30/fapp26/
fapp26-2300-7.xml
MD5SUM39fd319fe26c856a24205927bfd025f7
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 benchmark11.9342
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2300
Number of constraints24253
Maximum constraint arity2
Maximum domain size302
Number of constraints which are defined in extension0
Number of constraints which are defined in intension24253
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/node50/watcher-268622-1168979652 -o ROOT/results/node50/solver-268622-1168979652 -C 1800 -M 900 /tmp/evaluation/268622-1168979652/VALCSP /tmp/evaluation/268622-1168979652/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: 0.92 0.98 0.84 4/65 852
/proc/meminfo: memFree=1671856/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=3484 CPUtime=0
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 583 0 0 0 0 0 0 0 18 0 1 0 246363813 3567616 561 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134533499 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 871 568 64 8 0 543 0

[startup+0.102618 s]
/proc/loadavg: 0.92 0.98 0.84 4/65 852
/proc/meminfo: memFree=1671856/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=70692 CPUtime=0.09
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 17415 0 0 0 3 6 0 0 18 0 1 0 246363813 72388608 17393 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 8353403 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 17673 17397 64 8 0 17345 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 70692

[startup+0.510684 s]
/proc/loadavg: 0.92 0.98 0.84 4/65 852
/proc/meminfo: memFree=1671856/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=81560 CPUtime=0.5
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 20010 0 0 0 42 8 0 0 22 0 1 0 246363813 83517440 19988 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 20390 19988 65 8 0 20062 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 81560

[startup+1.33082 s]
/proc/loadavg: 0.93 0.98 0.84 2/65 852
/proc/meminfo: memFree=1585904/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=90008 CPUtime=1.32
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 22098 0 0 0 123 9 0 0 25 0 1 0 246363813 92168192 22076 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528660 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 22502 22076 65 8 0 22174 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 90008

[startup+2.9681 s]
/proc/loadavg: 0.93 0.98 0.84 2/65 852
/proc/meminfo: memFree=1573808/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=107960 CPUtime=2.95
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 26585 0 0 0 284 11 0 0 25 0 1 0 246363813 110551040 26563 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 26990 26563 65 8 0 26662 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 107960

[startup+6.24465 s]
/proc/loadavg: 0.93 0.98 0.84 2/65 852
/proc/meminfo: memFree=1539128/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=140828 CPUtime=6.23
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 34807 0 0 0 608 15 0 0 25 0 1 0 246363813 144207872 34785 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528607 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 35207 34785 65 8 0 34879 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 140828

[startup+12.7017 s]
/proc/loadavg: 0.94 0.98 0.84 2/65 852
/proc/meminfo: memFree=1470072/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=206828 CPUtime=12.69
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 51309 0 0 0 1247 22 0 0 25 0 1 0 246363813 211791872 51287 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529332 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 51707 51287 65 8 0 51379 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 206828

[startup+25.5179 s]
/proc/loadavg: 0.95 0.98 0.84 2/65 852
/proc/meminfo: memFree=1345272/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=334736 CPUtime=25.49
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 83289 0 0 0 2515 34 0 0 25 0 1 0 246363813 342769664 83267 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 83684 83267 65 8 0 83356 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 334736

[startup+51.1222 s]
/proc/loadavg: 0.97 0.98 0.85 2/65 852
/proc/meminfo: memFree=1081336/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=595172 CPUtime=51.09
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 148411 0 0 0 5049 60 0 0 25 0 1 0 246363813 609456128 148389 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529388 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 148793 148389 65 8 0 148465 0
Current children cumulated CPU time (s) 51.09
Current children cumulated vsize (KiB) 595172



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+82.7675 s]
/proc/loadavg: 0.98 0.98 0.85 2/65 852
/proc/meminfo: memFree=749112/2055920 swapFree=4191892/4192956
[pid=851] ppid=849 vsize=922940 CPUtime=82.73
/proc/851/stat : 851 (VALCSP) R 849 851 321 0 -1 4194304 230345 0 0 0 8180 93 0 0 25 0 1 0 246363813 945090560 230323 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528639 0 0 4096 0 0 0 0 17 1 0 0
/proc/851/statm: 230735 230323 65 8 0 230407 0
Current children cumulated CPU time (s) 82.73
Current children cumulated vsize (KiB) 922940

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 82.9134
CPU time (s): 82.8814
CPU user time (s): 81.8026
CPU system time (s): 1.07883
CPU usage (%): 99.9614
Max. virtual memory (cumulated for all children) (KiB): 922940

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 81.8026
system time used= 1.07883
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230345
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= 181

runsolver used 0.06499 s user time and 0.166974 s system time

The end



Launcher Data (download as text)




Begin job on node50 on Tue Jan 16 20:34:13 UTC 2007


IDJOB= 268622
IDBENCH= 4561
IDSOLVER= 90
FILE ID= node50/268622-1168979652

PBS_JOBID= 3566151

Free space on /tmp= 66561 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp26-30/fapp26/fapp26-2300-7.xml
COMMAND LINE= /tmp/evaluation/268622-1168979652/VALCSP /tmp/evaluation/268622-1168979652/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node50/watcher-268622-1168979652 -o ROOT/results/node50/solver-268622-1168979652 -C 1800 -M 900  /tmp/evaluation/268622-1168979652/VALCSP /tmp/evaluation/268622-1168979652/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  39fd319fe26c856a24205927bfd025f7

RANDOM SEED= 522436529

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		: 3000.263
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	: 5931.00
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		: 3000.263
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:      2055920 kB
MemFree:       1672336 kB
Buffers:         45000 kB
Cached:         249980 kB
SwapCached:        276 kB
Active:         151392 kB
Inactive:       158288 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1672336 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:            3440 kB
Writeback:           0 kB
Mapped:          23608 kB
Slab:            59888 kB
Committed_AS:  5120628 kB
PageTables:       1460 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= 66561 MiB



End job on node50 on Tue Jan 16 20:35:37 UTC 2007