Trace number 269391

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) 201.788 202.705

General information on the benchmark

Nametaillard/
os-taillard-20/os-taillard-20-95-1.xml
MD5SUM3f59ce7e2cf0069032dc8d030cfb3b7e
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 benchmark45.4021
SatisfiableYES
(Un)Satisfiability was proved
Number of variables400
Number of constraints7600
Maximum constraint arity2
Maximum domain size1265
Number of constraints which are defined in extension0
Number of constraints which are defined in intension7600
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/node9/watcher-269391-1168980596 -o ROOT/results/node9/solver-269391-1168980596 -C 1800 -M 900 /tmp/evaluation/269391-1168980596/VALCSP /tmp/evaluation/269391-1168980596/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: 0.01 0.30 0.87 4/81 26464
/proc/meminfo: memFree=1702352/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=3060 CPUtime=0
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 506 0 0 0 0 0 0 0 18 0 1 0 246455478 3133440 485 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 9098875 0 0 4096 0 0 0 0 17 1 0 0
/proc/26463/statm: 765 488 63 8 0 437 0

[startup+0.103285 s]
/proc/loadavg: 0.01 0.30 0.87 4/81 26464
/proc/meminfo: memFree=1702352/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=20708 CPUtime=0.1
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 4891 0 0 0 8 2 0 0 18 0 1 0 246455478 21204992 4869 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528607 0 0 4096 0 0 0 0 17 1 0 0
/proc/26463/statm: 5177 4869 65 8 0 4849 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 20708

[startup+0.511329 s]
/proc/loadavg: 0.01 0.30 0.87 4/81 26464
/proc/meminfo: memFree=1702352/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=20708 CPUtime=0.51
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 4891 0 0 0 49 2 0 0 22 0 1 0 246455478 21204992 4869 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/26463/statm: 5177 4869 65 8 0 4849 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 20708

[startup+1.33242 s]
/proc/loadavg: 0.08 0.31 0.87 2/81 26464
/proc/meminfo: memFree=1683024/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=20708 CPUtime=1.33
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 4891 0 0 0 131 2 0 0 25 0 1 0 246455478 21204992 4869 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/26463/statm: 5177 4869 65 8 0 4849 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 20708

[startup+2.96961 s]
/proc/loadavg: 0.08 0.31 0.87 2/81 26464
/proc/meminfo: memFree=1677520/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=31836 CPUtime=2.96
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 7659 0 0 0 293 3 0 0 25 0 1 0 246455478 32600064 7637 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/26463/statm: 7959 7637 65 8 0 7631 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 31836

[startup+6.25298 s]
/proc/loadavg: 0.16 0.32 0.87 2/81 26465
/proc/meminfo: memFree=1660432/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=43388 CPUtime=6.24
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 10566 0 0 0 620 4 0 0 25 0 1 0 246455478 44429312 10544 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/26463/statm: 10847 10544 65 8 0 10519 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 43388

[startup+12.7137 s]
/proc/loadavg: 0.23 0.34 0.87 2/81 26466
/proc/meminfo: memFree=1631760/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=71912 CPUtime=12.7
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 17669 0 0 0 1263 7 0 0 25 0 1 0 246455478 73637888 17647 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/26463/statm: 17978 17647 65 8 0 17650 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 71912

[startup+25.5162 s]
/proc/loadavg: 0.34 0.36 0.87 3/86 26528
/proc/meminfo: memFree=1573608/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=128392 CPUtime=25.45
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 31803 0 0 0 2532 13 0 0 25 0 1 0 246455478 131473408 31781 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/26463/statm: 32098 31781 65 8 0 31770 0
Current children cumulated CPU time (s) 25.45
Current children cumulated vsize (KiB) 128392

[startup+51.1431 s]
/proc/loadavg: 1.00 0.51 0.91 3/86 26566
/proc/meminfo: memFree=1377816/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=242276 CPUtime=50.92
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 60291 0 0 0 5067 25 0 0 25 0 1 0 246455478 248090624 60269 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/26463/statm: 60569 60269 65 8 0 60241 0
Current children cumulated CPU time (s) 50.92
Current children cumulated vsize (KiB) 242276

[startup+102.402 s]
/proc/loadavg: 1.52 0.72 0.96 3/86 26604
/proc/meminfo: memFree=1056280/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=475032 CPUtime=101.97
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 118469 0 0 0 10147 50 0 0 25 0 1 0 246455478 486432768 118447 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 0 0 0
/proc/26463/statm: 118758 118447 65 8 0 118430 0
Current children cumulated CPU time (s) 101.97
Current children cumulated vsize (KiB) 475032

[startup+162.483 s]
/proc/loadavg: 1.82 0.95 1.02 3/86 26604
/proc/meminfo: memFree=785176/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=739716 CPUtime=161.75
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 184646 0 0 0 16094 81 0 0 25 0 1 0 246455478 757469184 184624 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/26463/statm: 184929 184624 65 8 0 184601 0
Current children cumulated CPU time (s) 161.75
Current children cumulated vsize (KiB) 739716



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+202.561 s]
/proc/loadavg: 1.91 1.08 1.06 3/86 26604
/proc/meminfo: memFree=602008/2055920 swapFree=4191880/4192956
[pid=26463] ppid=26461 vsize=922604 CPUtime=201.64
/proc/26463/stat : 26463 (VALCSP) R 26461 26463 26152 0 -1 4194304 230341 0 0 0 20061 103 0 0 25 0 1 0 246455478 944746496 230319 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 0 0 0
/proc/26463/statm: 230651 230319 65 8 0 230323 0
Current children cumulated CPU time (s) 201.64
Current children cumulated vsize (KiB) 922604

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 202.705
CPU time (s): 201.788
CPU user time (s): 200.614
CPU system time (s): 1.17382
CPU usage (%): 99.548
Max. virtual memory (cumulated for all children) (KiB): 922604

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 200.615
system time used= 1.17382
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230341
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= 3746

runsolver used 0.188971 s user time and 0.544917 s system time

The end



Launcher Data (download as text)




Begin job on node9 on Tue Jan 16 20:49:58 UTC 2007


IDJOB= 269391
IDBENCH= 6586
IDSOLVER= 90
FILE ID= node9/269391-1168980596

PBS_JOBID= 3566023

Free space on /tmp= 66564 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-20/os-taillard-20-95-1.xml
COMMAND LINE= /tmp/evaluation/269391-1168980596/VALCSP /tmp/evaluation/269391-1168980596/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-269391-1168980596 -o ROOT/results/node9/solver-269391-1168980596 -C 1800 -M 900  /tmp/evaluation/269391-1168980596/VALCSP /tmp/evaluation/269391-1168980596/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  3f59ce7e2cf0069032dc8d030cfb3b7e

RANDOM SEED= 736914342

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		: 3000.231
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		: 3000.231
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:       1702768 kB
Buffers:         49844 kB
Cached:         175308 kB
SwapCached:        268 kB
Active:          75280 kB
Inactive:       196952 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1702768 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            1196 kB
Writeback:           0 kB
Mapped:          58784 kB
Slab:            65920 kB
Committed_AS:  7383552 kB
PageTables:       2136 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 node9 on Tue Jan 16 20:53:27 UTC 2007