Trace number 268458

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) 116.358 116.403

General information on the benchmark

Namefapp/fapp36-40/fapp40/
fapp40-3000-10.xml
MD5SUM5e6866fa03c606526e6f95a98ab50ddf
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 benchmark63.0164
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/node6/watcher-268458-1168979097 -o ROOT/results/node6/solver-268458-1168979097 -C 1800 -M 900 /tmp/evaluation/268458-1168979097/VALCSP /tmp/evaluation/268458-1168979097/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: 1.50 1.79 1.35 5/86 9226
/proc/meminfo: memFree=1747672/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=3332 CPUtime=0
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 512 0 0 0 0 0 0 0 18 0 1 0 246305485 3411968 490 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 2623099 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 833 497 64 8 0 505 0

[startup+0.106657 s]
/proc/loadavg: 1.50 1.79 1.35 5/86 9226
/proc/meminfo: memFree=1747672/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=80216 CPUtime=0.09
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 18730 0 0 0 2 7 0 0 18 0 1 0 246305485 82141184 18708 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134533499 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 20087 18716 64 8 0 19759 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 80216

[startup+0.5147 s]
/proc/loadavg: 1.50 1.79 1.35 5/86 9226
/proc/meminfo: memFree=1747672/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=149560 CPUtime=0.5
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 35432 0 0 0 36 14 0 0 22 0 1 0 246305485 153149440 35410 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 37390 35410 65 8 0 37062 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 149560

[startup+1.3348 s]
/proc/loadavg: 1.54 1.79 1.35 3/86 9226
/proc/meminfo: memFree=1601824/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=155764 CPUtime=1.32
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 36982 0 0 0 117 15 0 0 25 0 1 0 246305485 159502336 36960 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 38941 36960 65 8 0 38613 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 155764

[startup+2.97199 s]
/proc/loadavg: 1.54 1.79 1.35 3/86 9226
/proc/meminfo: memFree=1594144/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=167248 CPUtime=2.95
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 39851 0 0 0 279 16 0 0 25 0 1 0 246305485 171261952 39829 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528636 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 41812 39829 65 8 0 41484 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 167248

[startup+6.25137 s]
/proc/loadavg: 1.58 1.80 1.35 3/86 9226
/proc/meminfo: memFree=1571104/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=190216 CPUtime=6.24
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 45587 0 0 0 605 19 0 0 25 0 1 0 246305485 194781184 45565 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 47554 45565 65 8 0 47226 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 190216

[startup+12.7111 s]
/proc/loadavg: 1.61 1.80 1.36 3/86 9226
/proc/meminfo: memFree=1523872/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=233644 CPUtime=12.7
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 56438 0 0 0 1246 24 0 0 25 0 1 0 246305485 239251456 56416 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 58411 56416 65 8 0 58083 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 233644

[startup+25.5296 s]
/proc/loadavg: 1.67 1.81 1.36 3/86 9226
/proc/meminfo: memFree=1440288/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=321028 CPUtime=25.5
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 78296 0 0 0 2518 32 0 0 25 0 1 0 246305485 328732672 78274 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 80257 78274 65 8 0 79929 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 321028

[startup+51.1576 s]
/proc/loadavg: 1.80 1.82 1.38 3/86 9226
/proc/meminfo: memFree=1262560/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=496588 CPUtime=51.12
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 122175 0 0 0 5061 51 0 0 25 0 1 0 246305485 508506112 122153 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529243 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 124147 122153 65 8 0 123819 0
Current children cumulated CPU time (s) 51.12
Current children cumulated vsize (KiB) 496588

[startup+102.412 s]
/proc/loadavg: 1.91 1.85 1.41 3/86 9226
/proc/meminfo: memFree=930592/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=830284 CPUtime=102.37
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 205607 0 0 0 10152 85 0 0 25 0 1 0 246305485 850210816 205585 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 207571 205585 65 8 0 207243 0
Current children cumulated CPU time (s) 102.37
Current children cumulated vsize (KiB) 830284



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+116.249 s]
/proc/loadavg: 1.93 1.85 1.42 3/86 9226
/proc/meminfo: memFree=832160/2055924 swapFree=4165736/4192956
[pid=9225] ppid=9223 vsize=922156 CPUtime=116.2
/proc/9225/stat : 9225 (VALCSP) R 9223 9225 9169 0 -1 4194304 228585 0 0 0 11528 92 0 0 25 0 1 0 246305485 944287744 228563 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529466 0 0 4096 0 0 0 0 17 1 0 0
/proc/9225/statm: 230539 228563 65 8 0 230211 0
Current children cumulated CPU time (s) 116.2
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): 116.403
CPU time (s): 116.358
CPU user time (s): 115.287
CPU system time (s): 1.07084
CPU usage (%): 99.9616
Max. virtual memory (cumulated for all children) (KiB): 922156

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 115.287
system time used= 1.07084
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= 2505

runsolver used 0.117982 s user time and 0.304953 s system time

The end



Launcher Data (download as text)




Begin job on node6 on Tue Jan 16 20:24:59 UTC 2007


IDJOB= 268458
IDBENCH= 4161
IDSOLVER= 90
FILE ID= node6/268458-1168979097

PBS_JOBID= 3565974

Free space on /tmp= 66557 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp40/fapp40-3000-10.xml
COMMAND LINE= /tmp/evaluation/268458-1168979097/VALCSP /tmp/evaluation/268458-1168979097/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node6/watcher-268458-1168979097 -o ROOT/results/node6/solver-268458-1168979097 -C 1800 -M 900  /tmp/evaluation/268458-1168979097/VALCSP /tmp/evaluation/268458-1168979097/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  5e6866fa03c606526e6f95a98ab50ddf

RANDOM SEED= 78139622

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:       1748288 kB
Buffers:         43168 kB
Cached:         162504 kB
SwapCached:       2476 kB
Active:          63724 kB
Inactive:       184600 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1748288 kB
SwapTotal:     4192956 kB
SwapFree:      4165736 kB
Dirty:            7724 kB
Writeback:           0 kB
Mapped:          53084 kB
Slab:            44208 kB
Committed_AS:  7409792 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= 66557 MiB



End job on node6 on Tue Jan 16 20:26:58 UTC 2007