Trace number 268191

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) 707.247 712.514

General information on the benchmark

NamequeensKnights/
queensKnights-80-5-mul.xml
MD5SUM28f748351f8d6a329f3688f42fc26be8
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark738.167
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables85
Number of constraints3570
Maximum constraint arity2
Maximum domain size6400
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3570
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/node55/watcher-268191-1168978089 -o ROOT/results/node55/solver-268191-1168978089 -C 1800 -M 900 /tmp/evaluation/268191-1168978089/VALCSP /tmp/evaluation/268191-1168978089/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: 1.56 0.95 0.39 3/73 8640
/proc/meminfo: memFree=1489128/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=1600 CPUtime=0
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 135 0 0 0 0 0 0 0 20 0 1 0 246207577 1638400 113 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 7282456 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 400 113 64 8 0 72 0

[startup+0.103966 s]
/proc/loadavg: 1.56 0.95 0.39 3/73 8640
/proc/meminfo: memFree=1489128/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=4336 CPUtime=0.09
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 799 0 0 0 9 0 0 0 20 0 1 0 246207577 4440064 777 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528748 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 1084 777 64 8 0 756 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4336

[startup+0.512004 s]
/proc/loadavg: 1.56 0.95 0.39 3/73 8640
/proc/meminfo: memFree=1489128/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=12256 CPUtime=0.5
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 2795 0 0 0 49 1 0 0 24 0 1 0 246207577 12550144 2773 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528582 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 3064 2773 64 8 0 2736 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 12256

[startup+1.33808 s]
/proc/loadavg: 1.56 0.95 0.39 3/73 8640
/proc/meminfo: memFree=1466280/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=28228 CPUtime=1.32
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 6799 0 0 0 129 3 0 0 25 0 1 0 246207577 28905472 6777 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529332 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 7057 6777 64 8 0 6729 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 28228

[startup+2.97624 s]
/proc/loadavg: 1.56 0.95 0.39 3/73 8640
/proc/meminfo: memFree=1444264/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=60176 CPUtime=2.94
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 14787 0 0 0 289 5 0 0 25 0 1 0 246207577 61620224 14765 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529359 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 15044 14765 64 8 0 14716 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 60176

[startup+6.25555 s]
/proc/loadavg: 1.59 0.97 0.40 3/73 8640
/proc/meminfo: memFree=1243240/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=246828 CPUtime=6.19
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 61446 0 0 0 595 24 0 0 25 0 1 0 246207577 252751872 61424 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528591 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 61707 61424 64 8 0 61379 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 246828

[startup+12.7142 s]
/proc/loadavg: 1.62 0.99 0.40 3/73 8640
/proc/meminfo: memFree=1243240/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=246828 CPUtime=12.61
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 61446 0 0 0 1236 25 0 0 25 0 1 0 246207577 252751872 61424 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528704 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 61707 61424 64 8 0 61379 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 246828

[startup+25.5204 s]
/proc/loadavg: 1.71 1.04 0.43 3/73 8640
/proc/meminfo: memFree=1243304/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=246828 CPUtime=25.32
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 61446 0 0 0 2507 25 0 0 25 0 1 0 246207577 252751872 61424 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528691 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 61707 61424 64 8 0 61379 0
Current children cumulated CPU time (s) 25.32
Current children cumulated vsize (KiB) 246828

[startup+51.1419 s]
/proc/loadavg: 1.81 1.11 0.47 3/73 8640
/proc/meminfo: memFree=1082984/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=406916 CPUtime=50.75
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 101467 0 0 0 5033 42 0 0 25 0 1 0 246207577 416681984 101445 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 101729 101445 64 8 0 101401 0
Current children cumulated CPU time (s) 50.75
Current children cumulated vsize (KiB) 406916

[startup+102.384 s]
/proc/loadavg: 1.91 1.25 0.55 3/73 8640
/proc/meminfo: memFree=1082920/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=406916 CPUtime=101.61
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 101467 0 0 0 10119 42 0 0 25 0 1 0 246207577 416681984 101445 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 101729 101445 64 8 0 101401 0
Current children cumulated CPU time (s) 101.61
Current children cumulated vsize (KiB) 406916

[startup+162.439 s]
/proc/loadavg: 1.97 1.38 0.64 3/73 8640
/proc/meminfo: memFree=1082984/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=406916 CPUtime=161.23
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 101467 0 0 0 16081 42 0 0 25 0 1 0 246207577 416681984 101445 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 101729 101445 64 8 0 101401 0
Current children cumulated CPU time (s) 161.23
Current children cumulated vsize (KiB) 406916

[startup+222.492 s]
/proc/loadavg: 1.99 1.49 0.72 3/73 8640
/proc/meminfo: memFree=1082920/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=406916 CPUtime=220.84
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 101467 0 0 0 22042 42 0 0 25 0 1 0 246207577 416681984 101445 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 101729 101445 64 8 0 101401 0
Current children cumulated CPU time (s) 220.84
Current children cumulated vsize (KiB) 406916

[startup+282.545 s]
/proc/loadavg: 1.99 1.58 0.80 3/73 8640
/proc/meminfo: memFree=922600/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=567016 CPUtime=280.45
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 141486 0 0 0 27986 59 0 0 25 0 1 0 246207577 580624384 141464 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 141754 141464 64 8 0 141426 0
Current children cumulated CPU time (s) 280.45
Current children cumulated vsize (KiB) 567016

[startup+342.6 s]
/proc/loadavg: 1.99 1.65 0.87 3/73 8640
/proc/meminfo: memFree=922536/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=567016 CPUtime=340.06
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 141486 0 0 0 33947 59 0 0 25 0 1 0 246207577 580624384 141464 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 141754 141464 64 8 0 141426 0
Current children cumulated CPU time (s) 340.06
Current children cumulated vsize (KiB) 567016

[startup+402.659 s]
/proc/loadavg: 1.99 1.71 0.94 3/73 8640
/proc/meminfo: memFree=922600/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=567016 CPUtime=399.68
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 141486 0 0 0 39909 59 0 0 25 0 1 0 246207577 580624384 141464 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 141754 141464 64 8 0 141426 0
Current children cumulated CPU time (s) 399.68
Current children cumulated vsize (KiB) 567016

[startup+462.711 s]
/proc/loadavg: 2.05 1.78 1.01 3/73 8640
/proc/meminfo: memFree=922536/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=567016 CPUtime=459.29
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 141486 0 0 0 45870 59 0 0 25 0 1 0 246207577 580624384 141464 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 141754 141464 64 8 0 141426 0
Current children cumulated CPU time (s) 459.29
Current children cumulated vsize (KiB) 567016

[startup+522.764 s]
/proc/loadavg: 2.02 1.82 1.06 3/73 8640
/proc/meminfo: memFree=601768/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=887056 CPUtime=518.89
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 221527 0 0 0 51798 91 0 0 25 0 1 0 246207577 908345344 221505 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 221764 221505 64 8 0 221436 0
Current children cumulated CPU time (s) 518.89
Current children cumulated vsize (KiB) 887056

[startup+582.817 s]
/proc/loadavg: 2.00 1.85 1.12 3/73 8640
/proc/meminfo: memFree=601768/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=887056 CPUtime=578.51
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 221527 0 0 0 57760 91 0 0 25 0 1 0 246207577 908345344 221505 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528702 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 221764 221505 64 8 0 221436 0
Current children cumulated CPU time (s) 578.51
Current children cumulated vsize (KiB) 887056

[startup+642.875 s]
/proc/loadavg: 2.00 1.87 1.17 3/73 8640
/proc/meminfo: memFree=601768/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=887056 CPUtime=638.12
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 221527 0 0 0 63721 91 0 0 25 0 1 0 246207577 908345344 221505 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 221764 221505 64 8 0 221436 0
Current children cumulated CPU time (s) 638.12
Current children cumulated vsize (KiB) 887056

[startup+702.927 s]
/proc/loadavg: 2.00 1.89 1.22 3/73 8640
/proc/meminfo: memFree=601768/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=887056 CPUtime=697.73
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 221527 0 0 0 69681 92 0 0 25 0 1 0 246207577 908345344 221505 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529332 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 221764 221505 64 8 0 221436 0
Current children cumulated CPU time (s) 697.73
Current children cumulated vsize (KiB) 887056



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+712.354 s]
/proc/loadavg: 2.00 1.90 1.23 3/73 8642
/proc/meminfo: memFree=523240/2055920 swapFree=4192192/4192956
[pid=8639] ppid=8637 vsize=965516 CPUtime=707.09
/proc/8639/stat : 8639 (VALCSP) R 8637 8639 8240 0 -1 4194304 241105 0 0 0 70609 100 0 0 25 0 1 0 246207577 988688384 241083 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134538684 0 0 4096 0 0 0 0 17 1 0 0
/proc/8639/statm: 241379 241083 64 8 0 241051 0
Current children cumulated CPU time (s) 707.09
Current children cumulated vsize (KiB) 965516

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 712.514
CPU time (s): 707.247
CPU user time (s): 706.097
CPU system time (s): 1.15082
CPU usage (%): 99.2608
Max. virtual memory (cumulated for all children) (KiB): 965516

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 706.097
system time used= 1.15082
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 241105
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= 15121

runsolver used 0.830873 s user time and 1.71274 s system time

The end



Launcher Data (download as text)




Begin job on node55 on Tue Jan 16 20:08:10 UTC 2007


IDJOB= 268191
IDBENCH= 3707
IDSOLVER= 90
FILE ID= node55/268191-1168978089

PBS_JOBID= 3566145

Free space on /tmp= 66564 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/queensKnights/queensKnights-80-5-mul.xml
COMMAND LINE= /tmp/evaluation/268191-1168978089/VALCSP /tmp/evaluation/268191-1168978089/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node55/watcher-268191-1168978089 -o ROOT/results/node55/solver-268191-1168978089 -C 1800 -M 900  /tmp/evaluation/268191-1168978089/VALCSP /tmp/evaluation/268191-1168978089/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  28f748351f8d6a329f3688f42fc26be8

RANDOM SEED= 72139007

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		: 3000.218
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		: 3000.218
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:       1489672 kB
Buffers:         49360 kB
Cached:         414812 kB
SwapCached:        268 kB
Active:         156536 kB
Inactive:       331556 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1489672 kB
SwapTotal:     4192956 kB
SwapFree:      4192192 kB
Dirty:             612 kB
Writeback:           0 kB
Mapped:          33696 kB
Slab:            63648 kB
Committed_AS:  5006192 kB
PageTables:       1684 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= 66564 MiB



End job on node55 on Tue Jan 16 20:20:06 UTC 2007