Trace number 268469

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) 122.708 123.194

General information on the benchmark

Namefapp/fapp36-40/fapp38/
fapp38-2500-5.xml
MD5SUMac254b65cbcbcdf13e0c04fa74395cfe
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 benchmark45.897
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2500
Number of constraints62132
Maximum constraint arity2
Maximum domain size698
Number of constraints which are defined in extension0
Number of constraints which are defined in intension62132
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/node58/watcher-268469-1168979110 -o ROOT/results/node58/solver-268469-1168979110 -C 1800 -M 900 /tmp/evaluation/268469-1168979110/VALCSP /tmp/evaluation/268469-1168979110/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: 1.99 1.80 1.17 3/73 20420
/proc/meminfo: memFree=1422480/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=140 CPUtime=0
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 38 0 0 0 0 0 0 0 20 0 1 0 246308990 143360 23 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 4870948 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 35 23 18 8 0 2 0

[startup+0.10303 s]
/proc/loadavg: 1.99 1.80 1.17 3/73 20420
/proc/meminfo: memFree=1422480/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=72512 CPUtime=0.09
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 17315 0 0 0 2 7 0 0 20 0 1 0 246308990 74252288 17293 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 5305979 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 18128 17293 64 8 0 17800 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 72512

[startup+0.511056 s]
/proc/loadavg: 1.99 1.80 1.17 3/73 20420
/proc/meminfo: memFree=1422480/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=109348 CPUtime=0.49
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 26190 0 0 0 39 10 0 0 23 0 1 0 246308990 111972352 26168 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529346 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 27337 26168 65 8 0 27009 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 109348

[startup+1.33212 s]
/proc/loadavg: 1.99 1.80 1.17 3/73 20420
/proc/meminfo: memFree=1313936/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=113176 CPUtime=1.32
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 27146 0 0 0 121 11 0 0 25 0 1 0 246308990 115892224 27124 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528577 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 28294 27124 65 8 0 27966 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 113176

[startup+2.96927 s]
/proc/loadavg: 1.99 1.80 1.17 3/73 20420
/proc/meminfo: memFree=1307664/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=124264 CPUtime=2.95
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 29912 0 0 0 283 12 0 0 25 0 1 0 246308990 127246336 29890 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528577 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 31066 29890 65 8 0 30738 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 124264

[startup+6.24856 s]
/proc/loadavg: 1.99 1.80 1.17 3/73 20420
/proc/meminfo: memFree=1283408/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=147496 CPUtime=6.21
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 35706 0 0 0 607 14 0 0 25 0 1 0 246308990 151035904 35684 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 36874 35684 65 8 0 36546 0
Current children cumulated CPU time (s) 6.21
Current children cumulated vsize (KiB) 147496

[startup+12.7121 s]
/proc/loadavg: 1.99 1.81 1.18 3/73 20420
/proc/meminfo: memFree=1239184/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=190264 CPUtime=12.65
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 46396 0 0 0 1246 19 0 0 25 0 1 0 246308990 194830336 46374 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 47566 46374 65 8 0 47238 0
Current children cumulated CPU time (s) 12.65
Current children cumulated vsize (KiB) 190264

[startup+25.5323 s]
/proc/loadavg: 1.99 1.82 1.19 3/73 20420
/proc/meminfo: memFree=1156816/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=275932 CPUtime=25.42
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 67830 0 0 0 2516 26 0 0 25 0 1 0 246308990 282554368 67808 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529332 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 68983 67808 65 8 0 68655 0
Current children cumulated CPU time (s) 25.42
Current children cumulated vsize (KiB) 275932

[startup+51.1675 s]
/proc/loadavg: 1.99 1.83 1.21 3/73 20420
/proc/meminfo: memFree=989200/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=441328 CPUtime=50.95
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 109170 0 0 0 5054 41 0 0 25 0 1 0 246308990 451919872 109148 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 110332 109148 65 8 0 110004 0
Current children cumulated CPU time (s) 50.95
Current children cumulated vsize (KiB) 441328

[startup+102.436 s]
/proc/loadavg: 1.99 1.86 1.25 3/73 20420
/proc/meminfo: memFree=651280/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=782416 CPUtime=102.03
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 194455 0 0 0 10129 74 0 0 25 0 1 0 246308990 801193984 194433 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528576 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 195604 194433 65 8 0 195276 0
Current children cumulated CPU time (s) 102.03
Current children cumulated vsize (KiB) 782416



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+123.046 s]
/proc/loadavg: 1.99 1.86 1.27 3/73 20420
/proc/meminfo: memFree=503248/2055920 swapFree=4184236/4192956
[pid=20419] ppid=20417 vsize=922468 CPUtime=122.55
/proc/20419/stat : 20419 (VALCSP) R 20417 20419 20035 0 -1 4194304 229461 0 0 0 12169 86 0 0 25 0 1 0 246308990 944607232 229439 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/20419/statm: 230617 229439 65 8 0 230289 0
Current children cumulated CPU time (s) 122.55
Current children cumulated vsize (KiB) 922468

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 123.194
CPU time (s): 122.708
CPU user time (s): 121.698
CPU system time (s): 1.00985
CPU usage (%): 99.6057
Max. virtual memory (cumulated for all children) (KiB): 922468

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 121.698
system time used= 1.00985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 229461
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= 1585

runsolver used 0.119981 s user time and 0.331949 s system time

The end



Launcher Data (download as text)




Begin job on node58 on Tue Jan 16 20:25:10 UTC 2007


IDJOB= 268469
IDBENCH= 4172
IDSOLVER= 90
FILE ID= node58/268469-1168979110

PBS_JOBID= 3566202

Free space on /tmp= 66556 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp38/fapp38-2500-5.xml
COMMAND LINE= /tmp/evaluation/268469-1168979110/VALCSP /tmp/evaluation/268469-1168979110/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node58/watcher-268469-1168979110 -o ROOT/results/node58/solver-268469-1168979110 -C 1800 -M 900  /tmp/evaluation/268469-1168979110/VALCSP /tmp/evaluation/268469-1168979110/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  ac254b65cbcbcdf13e0c04fa74395cfe

RANDOM SEED= 371373364

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		: 3000.223
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		: 3000.223
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:       1422896 kB
Buffers:         43380 kB
Cached:         495296 kB
SwapCached:       2808 kB
Active:          41108 kB
Inactive:       516728 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1422896 kB
SwapTotal:     4192956 kB
SwapFree:      4184236 kB
Dirty:            8676 kB
Writeback:           0 kB
Mapped:          25984 kB
Slab:            60800 kB
Committed_AS:  4157388 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= 66556 MiB



End job on node58 on Tue Jan 16 20:27:13 UTC 2007