Trace number 207533

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
buggy_2_5 2007-01-08SAT 18.3002 18.3927

General information on the benchmark

Namefapp/test01-04/test04/
test04-1250-8.xml
MD5SUMa88130445cb0a25bd66e79fb321e4404
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 benchmark18.3002
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables1250
Number of constraints18359
Maximum constraint arity2
Maximum domain size350
Number of constraints which are defined in extension0
Number of constraints which are defined in intension18359
Global constraints used (with number of constraints)

Solver Data (download as text)

c 
c 
c 
c solution file
c 
c 

SAT
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2532 -2232 -2636 -2364 2524 -2448 -2752 2208 2364 -2692 

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node16/watcher-207533-1168293921 -o ROOT/results/node16/solver-207533-1168293921 -C 1800 -M 900 /tmp/evaluation/207533-1168293921/solver /tmp/evaluation/207533-1168293921/unknown 1800 

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: 0.79 1.16 1.45 4/81 28440
/proc/meminfo: memFree=1413656/2055920 swapFree=4191880/4192956
[pid=28439] ppid=28437 vsize=5352 CPUtime=0
/proc/28439/stat : 28439 (solver) R 28437 28439 24290 0 -1 4194304 300 190 0 0 0 0 0 0 19 0 1 0 177787314 5480448 232 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 4345746 0 0 4100 65536 0 0 0 17 1 0 0
/proc/28439/statm: 1338 234 196 169 0 49 0

[startup+0.103469 s]
/proc/loadavg: 0.79 1.16 1.45 4/81 28440
/proc/meminfo: memFree=1413656/2055920 swapFree=4191880/4192956
[pid=28439] ppid=28437 vsize=5352 CPUtime=0
/proc/28439/stat : 28439 (solver) S 28437 28439 24290 0 -1 4194304 354 334 0 0 0 0 0 0 16 0 1 0 177787314 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/28439/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.511391 s]
/proc/loadavg: 0.79 1.16 1.45 4/81 28440
/proc/meminfo: memFree=1413656/2055920 swapFree=4191880/4192956
[pid=28439] ppid=28437 vsize=5352 CPUtime=0.38
/proc/28439/stat : 28439 (solver) S 28437 28439 24290 0 -1 4194304 376 2517 0 0 0 0 35 3 16 0 1 0 177787314 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/28439/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 5352

[startup+1.33224 s]
/proc/loadavg: 0.79 1.16 1.45 2/82 28452
/proc/meminfo: memFree=1373904/2055920 swapFree=4191880/4192956
[pid=28439] ppid=28437 vsize=5352 CPUtime=0.38
/proc/28439/stat : 28439 (solver) S 28437 28439 24290 0 -1 4194304 376 2517 0 0 0 0 35 3 16 0 1 0 177787314 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/28439/statm: 1338 242 203 169 0 49 0
[pid=28452] ppid=28439 vsize=43516 CPUtime=0.94
/proc/28452/stat : 28452 (bordewijk) R 28439 28439 24290 0 -1 4194304 10383 0 0 0 86 8 0 0 25 0 1 0 177787351 44560384 10355 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/28452/statm: 10879 10356 204 97 0 10160 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 48868

[startup+2.96794 s]
/proc/loadavg: 0.79 1.16 1.45 2/82 28452
/proc/meminfo: memFree=1337040/2055920 swapFree=4191880/4192956
[pid=28439] ppid=28437 vsize=5352 CPUtime=0.38
/proc/28439/stat : 28439 (solver) S 28437 28439 24290 0 -1 4194304 376 2517 0 0 0 0 35 3 16 0 1 0 177787314 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/28439/statm: 1338 242 203 169 0 49 0
[pid=28452] ppid=28439 vsize=97352 CPUtime=2.58
/proc/28452/stat : 28452 (bordewijk) R 28439 28439 24290 0 -1 4194304 27295 0 0 0 206 52 0 0 25 0 1 0 177787351 99688448 23489 18446744073709551615 134512640 134912576 4294956768 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/28452/statm: 24338 23489 217 97 0 23619 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 102704

[startup+6.25636 s]
/proc/loadavg: 0.89 1.17 1.46 2/82 28453
/proc/meminfo: memFree=1380944/2055920 swapFree=4191880/4192956
[pid=28439] ppid=28437 vsize=5352 CPUtime=5.07
/proc/28439/stat : 28439 (solver) S 28437 28439 24290 0 -1 4194304 396 29813 0 0 0 0 253 254 16 0 1 0 177787314 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/28439/statm: 1338 242 203 169 0 49 0
[pid=28453] ppid=28439 vsize=40296 CPUtime=1.16
/proc/28453/stat : 28453 (standalone) R 28439 28439 24290 0 -1 4194304 9605 0 0 0 59 57 0 0 25 0 1 0 177787822 41263104 9180 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 134527017 0 0 4096 0 0 0 0 17 0 0 0
/proc/28453/statm: 10074 9180 137 64 0 9389 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 45648

[startup+12.7122 s]
/proc/loadavg: 0.97 1.18 1.46 3/88 29136
/proc/meminfo: memFree=1275552/2055920 swapFree=4191880/4192956
[pid=28439] ppid=28437 vsize=5352 CPUtime=5.07
/proc/28439/stat : 28439 (solver) S 28437 28439 24290 0 -1 4194304 396 29813 0 0 0 0 253 254 16 0 1 0 177787314 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 231962370884 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/28439/statm: 1338 242 203 169 0 49 0
[pid=28453] ppid=28439 vsize=40336 CPUtime=7.56
/proc/28453/stat : 28453 (standalone) R 28439 28439 24290 0 -1 4194304 9862 0 0 0 698 58 0 0 25 0 1 0 177787822 41304064 9437 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 134519664 0 0 4096 0 0 0 0 17 0 0 0
/proc/28453/statm: 10084 9437 138 64 0 9399 0
Current children cumulated CPU time (s) 12.63
Current children cumulated vsize (KiB) 45688

Child status: 0
Real time (s): 18.3927
CPU time (s): 18.3002
CPU user time (s): 15.1427
CPU system time (s): 3.15752
CPU usage (%): 99.497
Max. virtual memory (cumulated for all children) (KiB): 102704

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 15.1427
system time used= 3.15752
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 40134
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= 434
involuntary context switches= 523

runsolver used 0.025996 s user time and 0.052991 s system time

The end

Launcher Data (download as text)

Begin job on node16 on Mon Jan  8 22:05:24 UTC 2007


IDJOB= 207533
IDBENCH= 4296
FILE ID= node16/207533-1168293921

PBS_JOBID= 3501850

Free space on /tmp= 66510 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/test01-04/test04/test04-1250-8.xml
COMMAND LINE= /tmp/evaluation/207533-1168293921/solver /tmp/evaluation/207533-1168293921/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-207533-1168293921 -o ROOT/results/node16/solver-207533-1168293921 -C 1800 -M 900  /tmp/evaluation/207533-1168293921/solver /tmp/evaluation/207533-1168293921/unknown 1800

META MD5SUM SOLVER= 6c84d9851726bfff2e2bc2bb5530c705
MD5SUM BENCH=  a88130445cb0a25bd66e79fb321e4404

RANDOM SEED= 601790601

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		: 3000.220
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		: 3000.220
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:       1414072 kB
Buffers:         92372 kB
Cached:         442544 kB
SwapCached:        448 kB
Active:         356408 kB
Inactive:       226788 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1414072 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:           13512 kB
Writeback:           0 kB
Mapped:          66536 kB
Slab:            43740 kB
Committed_AS:  4962800 kB
PageTables:       2192 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= 66468 MiB



End job on node16 on Mon Jan  8 22:05:43 UTC 2007