Trace number 269401

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) 166.515 166.7

General information on the benchmark

Nametaillard/
os-taillard-15/os-taillard-15-95-4.xml
MD5SUMa7015b7b8a0911f86cf4ded97ed359d1
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables225
Number of constraints3150
Maximum constraint arity2
Maximum domain size942
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3150
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/node22/watcher-269401-1168980601 -o ROOT/results/node22/solver-269401-1168980601 -C 1800 -M 900 /tmp/evaluation/269401-1168980601/VALCSP /tmp/evaluation/269401-1168980601/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: 0.86 1.46 1.58 5/86 17297
/proc/meminfo: memFree=1346636/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=3184 CPUtime=0
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 530 0 0 0 0 0 0 0 18 0 1 0 246455147 3260416 509 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 5113467 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 796 515 64 8 0 468 0

[startup+0.103193 s]
/proc/loadavg: 0.86 1.46 1.58 5/86 17297
/proc/meminfo: memFree=1346636/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=9916 CPUtime=0.09
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 2219 0 0 0 9 0 0 0 18 0 1 0 246455147 10153984 2197 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 2479 2197 64 8 0 2151 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9916

[startup+0.511255 s]
/proc/loadavg: 0.86 1.46 1.58 5/86 17297
/proc/meminfo: memFree=1346636/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=9916 CPUtime=0.5
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 2219 0 0 0 49 1 0 0 22 0 1 0 246455147 10153984 2197 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 2479 2197 64 8 0 2151 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 9916

[startup+1.33238 s]
/proc/loadavg: 0.86 1.46 1.58 3/86 17297
/proc/meminfo: memFree=1334952/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=16252 CPUtime=1.32
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 3790 0 0 0 131 1 0 0 25 0 1 0 246455147 16642048 3768 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 4063 3768 64 8 0 3735 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 16252

[startup+2.96963 s]
/proc/loadavg: 0.86 1.46 1.58 3/86 17297
/proc/meminfo: memFree=1325672/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=25360 CPUtime=2.96
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 6055 0 0 0 294 2 0 0 25 0 1 0 246455147 25968640 6033 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 6340 6033 64 8 0 6012 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 25360

[startup+6.25114 s]
/proc/loadavg: 0.95 1.47 1.59 3/86 17297
/proc/meminfo: memFree=1296488/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=43444 CPUtime=6.24
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 10596 0 0 0 620 4 0 0 25 0 1 0 246455147 44486656 10574 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528653 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 10861 10574 64 8 0 10533 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 43444

[startup+12.7091 s]
/proc/loadavg: 1.04 1.48 1.59 3/86 17297
/proc/meminfo: memFree=1228200/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=80008 CPUtime=12.69
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 19738 0 0 0 1261 8 0 0 25 0 1 0 246455147 81928192 19716 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 20002 19716 64 8 0 19674 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 80008

[startup+25.5201 s]
/proc/loadavg: 1.25 1.50 1.59 3/86 17297
/proc/meminfo: memFree=1114600/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=151420 CPUtime=25.5
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 37591 0 0 0 2534 16 0 0 25 0 1 0 246455147 155054080 37569 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 37855 37569 64 8 0 37527 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 151420

[startup+51.143 s]
/proc/loadavg: 1.50 1.54 1.60 3/86 17297
/proc/meminfo: memFree=879976/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=301240 CPUtime=51.12
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 75050 0 0 0 5080 32 0 0 25 0 1 0 246455147 308469760 75028 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 75310 75028 64 8 0 74982 0
Current children cumulated CPU time (s) 51.12
Current children cumulated vsize (KiB) 301240

[startup+102.387 s]
/proc/loadavg: 1.78 1.61 1.62 3/86 17297
/proc/meminfo: memFree=427304/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=586096 CPUtime=102.34
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 146240 0 0 0 10174 60 0 0 25 0 1 0 246455147 600162304 146218 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 146524 146218 64 8 0 146196 0
Current children cumulated CPU time (s) 102.34
Current children cumulated vsize (KiB) 586096

[startup+162.452 s]
/proc/loadavg: 1.92 1.68 1.64 3/86 17297
/proc/meminfo: memFree=15080/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=899596 CPUtime=162.3
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 224645 0 0 0 16138 92 0 0 25 0 1 0 246455147 921186304 224623 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528697 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 224899 224623 64 8 0 224571 0
Current children cumulated CPU time (s) 162.3
Current children cumulated vsize (KiB) 899596



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+166.552 s]
/proc/loadavg: 1.92 1.68 1.65 3/86 17297
/proc/meminfo: memFree=14824/2055920 swapFree=4157544/4192956
[pid=17296] ppid=17294 vsize=924544 CPUtime=166.37
/proc/17296/stat : 17296 (VALCSP) R 17294 17296 17053 0 -1 4194304 230857 0 0 0 16542 95 0 0 25 0 1 0 246455147 946733056 230835 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529303 0 0 4096 0 0 0 0 17 1 0 0
/proc/17296/statm: 231136 230835 64 8 0 230808 0
Current children cumulated CPU time (s) 166.37
Current children cumulated vsize (KiB) 924544

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 166.7
CPU time (s): 166.515
CPU user time (s): 165.422
CPU system time (s): 1.09283
CPU usage (%): 99.889
Max. virtual memory (cumulated for all children) (KiB): 924544

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 165.422
system time used= 1.09283
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230857
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= 3562

runsolver used 0.157975 s user time and 0.441932 s system time

The end



Launcher Data (download as text)




Begin job on node22 on Tue Jan 16 20:50:04 UTC 2007


IDJOB= 269401
IDBENCH= 6604
IDSOLVER= 90
FILE ID= node22/269401-1168980601

PBS_JOBID= 3566205

Free space on /tmp= 66564 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-15/os-taillard-15-95-4.xml
COMMAND LINE= /tmp/evaluation/269401-1168980601/VALCSP /tmp/evaluation/269401-1168980601/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node22/watcher-269401-1168980601 -o ROOT/results/node22/solver-269401-1168980601 -C 1800 -M 900  /tmp/evaluation/269401-1168980601/VALCSP /tmp/evaluation/269401-1168980601/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  a7015b7b8a0911f86cf4ded97ed359d1

RANDOM SEED= 901044882

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		: 3000.279
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		: 3000.279
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:       1357704 kB
Buffers:         52792 kB
Cached:         325056 kB
SwapCached:      11248 kB
Active:         404860 kB
Inactive:       213708 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1357704 kB
SwapTotal:     4192956 kB
SwapFree:      4157544 kB
Dirty:             560 kB
Writeback:           0 kB
Mapped:         259236 kB
Slab:            64040 kB
Committed_AS:  4343476 kB
PageTables:       2608 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 node22 on Tue Jan 16 20:52:55 UTC 2007