Trace number 268604

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) 123.132 123.735

General information on the benchmark

Namefapp/fapp26-30/fapp30/
fapp30-3000-8.xml
MD5SUMa2bd6dbc97857e933555789faaebf156
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 benchmark68.0856
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables3000
Number of constraints63204
Maximum constraint arity2
Maximum domain size778
Number of constraints which are defined in extension0
Number of constraints which are defined in intension63204
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/node3/watcher-268604-1168979562 -o ROOT/results/node3/solver-268604-1168979562 -C 1800 -M 900 /tmp/evaluation/268604-1168979562/VALCSP /tmp/evaluation/268604-1168979562/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: 1.95 1.89 1.53 5/86 20452
/proc/meminfo: memFree=1538832/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=7604 CPUtime=0
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 1546 0 0 0 0 0 0 0 20 0 1 0 246351839 7786496 1524 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134533499 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 1901 1524 64 8 0 1573 0

[startup+0.118131 s]
/proc/loadavg: 1.95 1.89 1.53 5/86 20452
/proc/meminfo: memFree=1538832/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=86864 CPUtime=0.1
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 20320 0 0 0 2 8 0 0 20 0 1 0 246351839 88948736 20298 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134533518 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 21716 20298 64 8 0 21388 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 86864

[startup+0.526188 s]
/proc/loadavg: 1.95 1.89 1.53 5/86 20452
/proc/meminfo: memFree=1538832/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=149932 CPUtime=0.51
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 35490 0 0 0 37 14 0 0 24 0 1 0 246351839 153530368 35468 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529332 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 37483 35468 65 8 0 37155 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 149932

[startup+1.34732 s]
/proc/loadavg: 1.95 1.89 1.54 3/86 20452
/proc/meminfo: memFree=1392144/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=157060 CPUtime=1.32
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 37271 0 0 0 117 15 0 0 25 0 1 0 246351839 160829440 37249 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 39265 37249 65 8 0 38937 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 157060

[startup+2.98458 s]
/proc/loadavg: 1.95 1.89 1.54 3/86 20452
/proc/meminfo: memFree=1382608/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=166564 CPUtime=2.96
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 39645 0 0 0 280 16 0 0 25 0 1 0 246351839 170561536 39623 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528577 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 41641 39623 65 8 0 41313 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 166564

[startup+6.26913 s]
/proc/loadavg: 1.95 1.89 1.54 3/86 20452
/proc/meminfo: memFree=1360336/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=190984 CPUtime=6.22
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 45742 0 0 0 604 18 0 0 25 0 1 0 246351839 195567616 45720 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 47746 45720 65 8 0 47418 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 190984

[startup+12.7302 s]
/proc/loadavg: 1.96 1.89 1.54 3/86 20452
/proc/meminfo: memFree=1318864/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=230188 CPUtime=12.65
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 55526 0 0 0 1243 22 0 0 25 0 1 0 246351839 235712512 55504 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528607 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 57547 55504 65 8 0 57219 0
Current children cumulated CPU time (s) 12.65
Current children cumulated vsize (KiB) 230188

[startup+25.5492 s]
/proc/loadavg: 1.96 1.90 1.54 3/86 20452
/proc/meminfo: memFree=1240336/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=308596 CPUtime=25.42
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 75159 0 0 0 2511 31 0 0 25 0 1 0 246351839 316002304 75137 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 77149 75137 65 8 0 76821 0
Current children cumulated CPU time (s) 25.42
Current children cumulated vsize (KiB) 308596

[startup+51.1884 s]
/proc/loadavg: 1.98 1.90 1.56 3/86 20452
/proc/meminfo: memFree=1082128/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=466600 CPUtime=50.92
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 114656 0 0 0 5047 45 0 0 25 0 1 0 246351839 477798400 114634 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 116650 114634 65 8 0 116322 0
Current children cumulated CPU time (s) 50.92
Current children cumulated vsize (KiB) 466600

[startup+102.462 s]
/proc/loadavg: 1.99 1.92 1.58 3/86 20452
/proc/meminfo: memFree=764504/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=788416 CPUtime=101.96
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 195088 0 0 0 10122 74 0 0 25 0 1 0 246351839 807337984 195066 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528604 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 197104 195066 65 8 0 196776 0
Current children cumulated CPU time (s) 101.96
Current children cumulated vsize (KiB) 788416



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+123.589 s]
/proc/loadavg: 1.99 1.92 1.58 3/86 20452
/proc/meminfo: memFree=622168/2055920 swapFree=4191880/4192956
[pid=20451] ppid=20449 vsize=923188 CPUtime=122.99
/proc/20451/stat : 20451 (VALCSP) R 20449 20451 20204 0 -1 4194304 228803 0 0 0 12212 87 0 0 25 0 1 0 246351839 945344512 228781 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 11359867 0 0 4096 0 0 0 0 17 1 0 0
/proc/20451/statm: 230797 228781 65 8 0 230469 0
Current children cumulated CPU time (s) 122.99
Current children cumulated vsize (KiB) 923188

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 123.735
CPU time (s): 123.132
CPU user time (s): 122.121
CPU system time (s): 1.01085
CPU usage (%): 99.5128
Max. virtual memory (cumulated for all children) (KiB): 923188

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 122.121
system time used= 1.01085
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 228803
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= 4002

runsolver used 0.161975 s user time and 0.395939 s system time

The end



Launcher Data (download as text)




Begin job on node3 on Tue Jan 16 20:32:42 UTC 2007


IDJOB= 268604
IDBENCH= 4521
IDSOLVER= 90
FILE ID= node3/268604-1168979562

PBS_JOBID= 3565978

Free space on /tmp= 66556 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp26-30/fapp30/fapp30-3000-8.xml
COMMAND LINE= /tmp/evaluation/268604-1168979562/VALCSP /tmp/evaluation/268604-1168979562/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-268604-1168979562 -o ROOT/results/node3/solver-268604-1168979562 -C 1800 -M 900  /tmp/evaluation/268604-1168979562/VALCSP /tmp/evaluation/268604-1168979562/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  a2bd6dbc97857e933555789faaebf156

RANDOM SEED= 866042124

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:       1539248 kB
Buffers:         50716 kB
Cached:         335172 kB
SwapCached:        284 kB
Active:         229604 kB
Inactive:       215144 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1539248 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            8880 kB
Writeback:           0 kB
Mapped:          71224 kB
Slab:            57040 kB
Committed_AS:  6631044 kB
PageTables:       2012 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= 66556 MiB



End job on node3 on Tue Jan 16 20:34:48 UTC 2007