Trace number 1084909

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
Mistral-option 1.314SAT 18.0583 18.131

DiagnosticValue
ASSIGNMENTS76803
CHECKS3645540

General information on the benchmark

Namecsp/rand-8-20-5/
normalized-rand-8-20-5-18-800-17_ext.xml
MD5SUM20f6936a9f409b14eec766fe1691fa7b
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark8.73467
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints18
Maximum constraint arity8
Maximum domain size5
Number of constraints which are defined in extension18
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.08/0.10	c mistral-option version 1.313
17.92/18.05	s SATISFIABLE
17.92/18.05	v 0 4 1 0 4 0 1 3 3 2 2 1 0 3 3 3 4 0 0 3
17.92/18.05	d CHECKS 3645539
17.92/18.05	d ASSIGNMENTS 76803

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1084909-1215232302/watcher-1084909-1215232302 -o /tmp/evaluation-result-1084909-1215232302/solver-1084909-1215232302 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1084909-1215232302.xml -heu dyn -sac 3 -ds 2 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.06 2.03 2.00 4/69 341
/proc/meminfo: memFree=1453072/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=18572 CPUtime=0
/proc/341/stat : 341 (runsolver) R 339 341 32688 0 -1 4194368 15 0 0 0 0 0 0 0 23 0 1 0 1552897182 19017728 292 996147200 4194304 4296836 548682068416 18446744073709551615 248761609511 0 0 4096 24578 0 0 0 17 1 0 0
/proc/341/statm: 4643 292 257 25 0 2626 0

[startup+0.0322581 s]
/proc/loadavg: 2.06 2.03 2.00 4/69 341
/proc/meminfo: memFree=1453072/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=5288 CPUtime=0.02
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 558 0 0 0 2 0 0 0 22 0 1 0 1552897182 5414912 524 996147200 134512640 135239763 4294956192 18446744073709551615 134670457 0 0 4096 0 0 0 0 17 1 0 0
/proc/341/statm: 1322 524 355 177 0 225 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5288

[startup+0.101272 s]
/proc/loadavg: 2.06 2.03 2.00 4/69 341
/proc/meminfo: memFree=1453072/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=6608 CPUtime=0.08
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 922 0 0 0 8 0 0 0 22 0 1 0 1552897182 6766592 888 996147200 134512640 135239763 4294956192 18446744073709551615 134670324 0 0 4096 0 0 0 0 17 1 0 0
/proc/341/statm: 1652 888 355 177 0 555 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6608

[startup+0.301307 s]
/proc/loadavg: 2.06 2.03 2.00 4/69 341
/proc/meminfo: memFree=1453072/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=10744 CPUtime=0.28
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 1978 0 0 0 27 1 0 0 24 0 1 0 1552897182 11001856 1944 996147200 134512640 135239763 4294956192 18446744073709551615 134579063 0 0 4096 0 0 0 0 17 1 0 0
/proc/341/statm: 2686 1944 355 177 0 1589 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10744

[startup+0.701373 s]
/proc/loadavg: 2.06 2.03 2.00 4/69 341
/proc/meminfo: memFree=1453072/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=19324 CPUtime=0.68
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 4089 0 0 0 66 2 0 0 25 0 1 0 1552897182 19787776 4055 996147200 134512640 135239763 4294956192 18446744073709551615 134524426 0 0 4096 0 0 0 0 17 1 0 0
/proc/341/statm: 4831 4055 355 177 0 3734 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 19324

[startup+1.50151 s]
/proc/loadavg: 2.06 2.03 2.00 3/70 342
/proc/meminfo: memFree=1426312/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=36176 CPUtime=1.48
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 8289 0 0 0 143 5 0 0 25 0 1 0 1552897182 37044224 8255 996147200 134512640 135239763 4294956192 18446744073709551615 134579046 0 0 4096 0 0 0 0 17 1 0 0
/proc/341/statm: 9044 8255 355 177 0 7947 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 36176

[startup+3.10178 s]
/proc/loadavg: 2.06 2.03 2.00 3/70 342
/proc/meminfo: memFree=1397448/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=66136 CPUtime=3.07
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 15886 0 0 0 298 9 0 0 25 0 1 0 1552897182 67723264 15852 996147200 134512640 135239763 4294956192 18446744073709551615 134820182 0 0 4096 0 0 0 0 17 1 0 0
/proc/341/statm: 16534 15852 394 177 0 15437 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 66136

[startup+6.30133 s]
/proc/loadavg: 2.13 2.04 2.01 3/70 342
/proc/meminfo: memFree=1363592/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=66136 CPUtime=6.25
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 15886 0 0 0 616 9 0 0 25 0 1 0 1552897182 67723264 15852 996147200 134512640 135239763 4294956192 18446744073709551615 134819899 0 0 4096 0 0 0 0 17 1 0 0
/proc/341/statm: 16534 15852 394 177 0 15437 0
Current children cumulated CPU time (s) 6.25
Current children cumulated vsize (KiB) 66136

[startup+12.7015 s]
/proc/loadavg: 2.12 2.04 2.01 3/70 342
/proc/meminfo: memFree=1330568/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=66136 CPUtime=12.63
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 15886 0 0 0 1253 10 0 0 25 0 1 0 1552897182 67723264 15852 996147200 134512640 135239763 4294956192 18446744073709551615 134820122 0 0 4096 0 0 0 0 17 1 0 0
/proc/341/statm: 16534 15852 394 177 0 15437 0
Current children cumulated CPU time (s) 12.63
Current children cumulated vsize (KiB) 66136

Solver just ended. Dumping a history of the last processes samples

[startup+15.902 s]
/proc/loadavg: 2.03 2.02 2.00 3/70 360
/proc/meminfo: memFree=1424904/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=66136 CPUtime=15.82
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 15886 0 0 0 1571 11 0 0 25 0 1 0 1552897182 67723264 15852 996147200 134512640 135239763 4294956192 18446744073709551615 135095126 0 0 4096 0 0 0 0 17 0 0 0
/proc/341/statm: 16534 15852 394 177 0 15437 0
Current children cumulated CPU time (s) 15.82
Current children cumulated vsize (KiB) 66136

[startup+17.5013 s]
/proc/loadavg: 2.03 2.02 2.00 3/74 369
/proc/meminfo: memFree=1365928/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=66136 CPUtime=17.42
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 15886 0 0 0 1731 11 0 0 25 0 1 0 1552897182 67723264 15852 996147200 134512640 135239763 4294956192 18446744073709551615 134789433 0 0 4096 0 0 0 0 17 0 0 0
/proc/341/statm: 16534 15852 394 177 0 15437 0
Current children cumulated CPU time (s) 17.42
Current children cumulated vsize (KiB) 66136

[startup+17.9013 s]
/proc/loadavg: 2.03 2.02 2.00 3/74 369
/proc/meminfo: memFree=1365928/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=66136 CPUtime=17.82
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 15886 0 0 0 1771 11 0 0 25 0 1 0 1552897182 67723264 15852 996147200 134512640 135239763 4294956192 18446744073709551615 134820085 0 0 4096 0 0 0 0 17 0 0 0
/proc/341/statm: 16534 15852 394 177 0 15437 0
Current children cumulated CPU time (s) 17.82
Current children cumulated vsize (KiB) 66136

[startup+18.1014 s]
/proc/loadavg: 2.03 2.02 2.00 3/74 369
/proc/meminfo: memFree=1365928/2055920 swapFree=4180408/4192956
[pid=341] ppid=339 vsize=62448 CPUtime=18.02
/proc/341/stat : 341 (xsolve) R 339 341 32688 0 -1 4194304 15901 0 0 0 1791 11 0 0 25 0 1 0 1552897182 63946752 14945 996147200 134512640 135239763 4294956192 18446744073709551615 4159148576 0 0 4096 0 0 0 0 17 0 0 0
/proc/341/statm: 15612 14945 409 177 0 14515 0
Current children cumulated CPU time (s) 18.02
Current children cumulated vsize (KiB) 62448

Child status: 0
Real time (s): 18.131
CPU time (s): 18.0583
CPU user time (s): 17.9323
CPU system time (s): 0.12598
CPU usage (%): 99.5985
Max. virtual memory (cumulated for all children) (KiB): 66136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.9323
system time used= 0.12598
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15902
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= 7
involuntary context switches= 201

runsolver used 0.020996 second user time and 0.054991 second system time

The end

Launcher Data (download as text)

Begin job on node55 at 2008-07-05 06:31:44
IDJOB=1084909
IDBENCH=57588
IDSOLVER=357
FILE ID=node55/1084909-1215232302
PBS_JOBID= 7881927
Free space on /tmp= 66388 MiB

SOLVER NAME= Mistral-option 1.314
BENCH NAME= CPAI08/csp/rand-8-20-5/normalized-rand-8-20-5-18-800-17_ext.xml
COMMAND LINE= HOME/xsolve BENCHNAME -heu dyn -sac 3 -ds 2 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1084909-1215232302/watcher-1084909-1215232302 -o /tmp/evaluation-result-1084909-1215232302/solver-1084909-1215232302 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1084909-1215232302.xml -heu dyn -sac 3 -ds 2 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 20f6936a9f409b14eec766fe1691fa7b
RANDOM SEED=900009884

node55.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.261
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		: 3000.261
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:       1453552 kB
Buffers:         91220 kB
Cached:         402116 kB
SwapCached:       6804 kB
Active:         314572 kB
Inactive:       224348 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1453552 kB
SwapTotal:     4192956 kB
SwapFree:      4180408 kB
Dirty:           36828 kB
Writeback:           0 kB
Mapped:          51508 kB
Slab:            48960 kB
Committed_AS:  3107832 kB
PageTables:       1764 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= 66364 MiB
End job on node55 at 2008-07-05 06:32:02