Trace number 268461

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) 115.71 116.237

General information on the benchmark

Namefapp/fapp36-40/fapp40/
fapp40-3000-6.xml
MD5SUMffdafe8b3301c2726a31d80f032e4139
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 benchmark55.9515
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables3000
Number of constraints53548
Maximum constraint arity2
Maximum domain size698
Number of constraints which are defined in extension0
Number of constraints which are defined in intension53548
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/node16/watcher-268461-1168979101 -o ROOT/results/node16/solver-268461-1168979101 -C 1800 -M 900 /tmp/evaluation/268461-1168979101/VALCSP /tmp/evaluation/268461-1168979101/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: 1.87 1.92 1.40 5/86 17702
/proc/meminfo: memFree=1334432/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=9044 CPUtime=0
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 1863 0 0 0 0 0 0 0 20 0 1 0 246305263 9261056 1841 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134533489 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 2261 1841 64 8 0 1933 0

[startup+0.119409 s]
/proc/loadavg: 1.87 1.92 1.40 5/86 17702
/proc/meminfo: memFree=1334432/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=88700 CPUtime=0.1
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 20741 0 0 0 2 8 0 0 20 0 1 0 246305263 90828800 20719 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 7640699 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 22175 20719 64 8 0 21847 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 88700

[startup+0.530323 s]
/proc/loadavg: 1.87 1.92 1.40 5/86 17702
/proc/meminfo: memFree=1334432/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=149560 CPUtime=0.51
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 35432 0 0 0 36 15 0 0 24 0 1 0 246305263 153149440 35410 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528577 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 37390 35410 65 8 0 37062 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 149560

[startup+1.35117 s]
/proc/loadavg: 1.87 1.92 1.40 3/86 17702
/proc/meminfo: memFree=1188448/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=155764 CPUtime=1.33
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 36982 0 0 0 118 15 0 0 25 0 1 0 246305263 159502336 36960 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 38941 36960 65 8 0 38613 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 155764

[startup+2.98786 s]
/proc/loadavg: 1.88 1.92 1.40 3/86 17702
/proc/meminfo: memFree=1178848/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=167248 CPUtime=2.97
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 39851 0 0 0 280 17 0 0 25 0 1 0 246305263 171261952 39829 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 41812 39829 65 8 0 41484 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 167248

[startup+6.26626 s]
/proc/loadavg: 1.88 1.92 1.40 3/86 17702
/proc/meminfo: memFree=1155808/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=192196 CPUtime=6.23
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 46065 0 0 0 604 19 0 0 25 0 1 0 246305263 196808704 46043 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 48049 46043 65 8 0 47721 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 192196

[startup+12.729 s]
/proc/loadavg: 1.90 1.92 1.41 3/86 17702
/proc/meminfo: memFree=1110432/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=233644 CPUtime=12.66
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 56438 0 0 0 1243 23 0 0 25 0 1 0 246305263 239251456 56416 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 58411 56416 65 8 0 58083 0
Current children cumulated CPU time (s) 12.66
Current children cumulated vsize (KiB) 233644

[startup+25.5467 s]
/proc/loadavg: 1.91 1.93 1.41 3/86 17702
/proc/meminfo: memFree=1026528/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=321028 CPUtime=25.43
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 78296 0 0 0 2512 31 0 0 25 0 1 0 246305263 328732672 78274 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 80257 78274 65 8 0 79929 0
Current children cumulated CPU time (s) 25.43
Current children cumulated vsize (KiB) 321028

[startup+51.1839 s]
/proc/loadavg: 1.94 1.93 1.43 3/86 17702
/proc/meminfo: memFree=847072/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=496588 CPUtime=50.94
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 122175 0 0 0 5048 46 0 0 25 0 1 0 246305263 508506112 122153 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 124147 122153 65 8 0 123819 0
Current children cumulated CPU time (s) 50.94
Current children cumulated vsize (KiB) 496588

[startup+102.446 s]
/proc/loadavg: 1.97 1.94 1.46 3/86 17702
/proc/meminfo: memFree=515104/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=832264 CPUtime=101.98
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 206085 0 0 0 10120 78 0 0 25 0 1 0 246305263 852238336 206063 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529341 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 208066 206063 65 8 0 207738 0
Current children cumulated CPU time (s) 101.98
Current children cumulated vsize (KiB) 832264



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+116.084 s]
/proc/loadavg: 1.98 1.94 1.46 3/86 17702
/proc/meminfo: memFree=418592/2055920 swapFree=4191880/4192956
[pid=17701] ppid=17699 vsize=922156 CPUtime=115.56
/proc/17701/stat : 17701 (VALCSP) R 17699 17701 17530 0 -1 4194304 228585 0 0 0 11470 86 0 0 25 0 1 0 246305263 944287744 228563 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528694 0 0 4096 0 0 0 0 17 1 0 0
/proc/17701/statm: 230539 228563 65 8 0 230211 0
Current children cumulated CPU time (s) 115.56
Current children cumulated vsize (KiB) 922156

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 116.237
CPU time (s): 115.71
CPU user time (s): 114.702
CPU system time (s): 1.00885
CPU usage (%): 99.5472
Max. virtual memory (cumulated for all children) (KiB): 922156

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 114.702
system time used= 1.00885
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 228585
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= 3595

runsolver used 0.146977 s user time and 0.383941 s system time

The end



Launcher Data (download as text)




Begin job on node16 on Tue Jan 16 20:25:04 UTC 2007


IDJOB= 268461
IDBENCH= 4164
IDSOLVER= 90
FILE ID= node16/268461-1168979101

PBS_JOBID= 3565971

Free space on /tmp= 66557 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp40/fapp40-3000-6.xml
COMMAND LINE= /tmp/evaluation/268461-1168979101/VALCSP /tmp/evaluation/268461-1168979101/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-268461-1168979101 -o ROOT/results/node16/solver-268461-1168979101 -C 1800 -M 900  /tmp/evaluation/268461-1168979101/VALCSP /tmp/evaluation/268461-1168979101/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  ffdafe8b3301c2726a31d80f032e4139

RANDOM SEED= 111178768

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		: 3000.220
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		: 3000.220
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:       1334912 kB
Buffers:         61140 kB
Cached:         530488 kB
SwapCached:        448 kB
Active:         314924 kB
Inactive:       329040 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1334912 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            7648 kB
Writeback:           0 kB
Mapped:          71360 kB
Slab:            61984 kB
Committed_AS:  6802624 kB
PageTables:       2316 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= 66557 MiB



End job on node16 on Tue Jan 16 20:27:00 UTC 2007