Trace number 204398

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 3.0? (MO) 83.3063 84.0744

General information on the benchmark

Namefapp/fapp16-20/fapp20/
fapp20-0420-4.xml
MD5SUMf874a5ab86ad025cdd8a1aac040ad57b
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 benchmark2.04969
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables420
Number of constraints4737
Maximum constraint arity2
Maximum domain size302
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4737
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/node40/watcher-204398-1168165735 -o ROOT/results/node40/solver-204398-1168165735 -C 1800 -M 900 /tmp/evaluation/204398-1168165735/VALCSP /tmp/evaluation/204398-1168165735/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: 2.00 1.99 1.91 5/81 20235
/proc/meminfo: memFree=1149584/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=2260 CPUtime=0
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 299 0 0 0 0 0 0 0 20 0 1 0 164972871 2314240 277 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 7345787 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 565 277 62 8 0 237 0

[startup+0.105733 s]
/proc/loadavg: 2.00 1.99 1.91 5/81 20235
/proc/meminfo: memFree=1149584/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=6700 CPUtime=0.09
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 1390 0 0 0 9 0 0 0 20 0 1 0 164972871 6860800 1368 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530278 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 1675 1368 64 8 0 1347 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6700

[startup+0.513785 s]
/proc/loadavg: 2.00 1.99 1.91 5/81 20235
/proc/meminfo: memFree=1149584/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=10660 CPUtime=0.49
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 2387 0 0 0 48 1 0 0 24 0 1 0 164972871 10915840 2365 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530962 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 2665 2365 64 8 0 2337 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 10660

[startup+1.33489 s]
/proc/loadavg: 2.00 1.99 1.91 3/81 20235
/proc/meminfo: memFree=1131664/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=20956 CPUtime=1.3
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 4950 0 0 0 129 1 0 0 25 0 1 0 164972871 21458944 4928 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530267 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 5239 4928 64 8 0 4911 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 20956

[startup+2.9721 s]
/proc/loadavg: 2.00 1.99 1.91 3/81 20235
/proc/meminfo: memFree=1117520/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=39568 CPUtime=2.93
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 9631 0 0 0 289 4 0 0 25 0 1 0 164972871 40517632 9609 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 9892 9609 64 8 0 9564 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 39568

[startup+6.25853 s]
/proc/loadavg: 2.00 1.99 1.91 3/81 20235
/proc/meminfo: memFree=1076880/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=75208 CPUtime=6.19
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 18532 0 0 0 611 8 0 0 25 0 1 0 164972871 77012992 18510 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 18802 18510 64 8 0 18474 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 75208

[startup+12.7164 s]
/proc/loadavg: 2.00 1.99 1.91 3/81 20235
/proc/meminfo: memFree=993424/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=148204 CPUtime=12.58
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 36769 0 0 0 1243 15 0 0 25 0 1 0 164972871 151760896 36747 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530192 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 37051 36747 64 8 0 36723 0
Current children cumulated CPU time (s) 12.58
Current children cumulated vsize (KiB) 148204

[startup+25.546 s]
/proc/loadavg: 2.00 1.99 1.91 3/81 20235
/proc/meminfo: memFree=844304/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=289576 CPUtime=25.3
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 72120 0 0 0 2500 30 0 0 25 0 1 0 164972871 296525824 72098 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530207 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 72394 72098 64 8 0 72066 0
Current children cumulated CPU time (s) 25.3
Current children cumulated vsize (KiB) 289576

[startup+51.1983 s]
/proc/loadavg: 2.00 1.99 1.91 3/81 20235
/proc/meminfo: memFree=536848/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=566652 CPUtime=50.73
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 141407 0 0 0 5013 60 0 0 25 0 1 0 164972871 580251648 141385 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530223 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 141663 141385 64 8 0 141335 0
Current children cumulated CPU time (s) 50.73
Current children cumulated vsize (KiB) 566652



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+83.9236 s]
/proc/loadavg: 2.00 1.99 1.91 3/81 20235
/proc/meminfo: memFree=142672/2055920 swapFree=4192812/4192956
[pid=20234] ppid=20232 vsize=922424 CPUtime=83.16
/proc/20234/stat : 20234 (VALCSP) R 20232 20234 19658 0 -1 4194304 230363 0 0 0 8218 98 0 0 25 0 1 0 164972871 944562176 230341 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/20234/statm: 230606 230341 64 8 0 230278 0
Current children cumulated CPU time (s) 83.16
Current children cumulated vsize (KiB) 922424

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 84.0744
CPU time (s): 83.3063
CPU user time (s): 82.1845
CPU system time (s): 1.12183
CPU usage (%): 99.0864
Max. virtual memory (cumulated for all children) (KiB): 922424

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 82.1845
system time used= 1.12183
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230363
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= 3318

runsolver used 0.103984 s user time and 0.26096 s system time

The end



Launcher Data (download as text)




Begin job on node40 on Sun Jan  7 10:28:55 UTC 2007


IDJOB= 204398
IDBENCH= 4019
FILE ID= node40/204398-1168165735

PBS_JOBID= 3478618

Free space on /tmp= 65998 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp16-20/fapp20/fapp20-0420-4.xml
COMMAND LINE= /tmp/evaluation/204398-1168165735/VALCSP /tmp/evaluation/204398-1168165735/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node40/watcher-204398-1168165735 -o ROOT/results/node40/solver-204398-1168165735 -C 1800 -M 900  /tmp/evaluation/204398-1168165735/VALCSP /tmp/evaluation/204398-1168165735/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  f874a5ab86ad025cdd8a1aac040ad57b

RANDOM SEED= 515571731

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		: 3000.239
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		: 3000.239
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:       1150000 kB
Buffers:         18892 kB
Cached:         726456 kB
SwapCached:          0 kB
Active:         457880 kB
Inactive:       383532 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1150000 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:          209912 kB
Writeback:           0 kB
Mapped:         115112 kB
Slab:            49620 kB
Committed_AS:  4018440 kB
PageTables:       2032 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= 65917 MiB



End job on node40 on Sun Jan  7 10:30:20 UTC 2007