Trace number 1084876

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
MDG-probe 2008-06-27SAT 12.8191 12.9399

DiagnosticValue
ASSIGNMENTS43585
CHECKS2164070

General information on the benchmark

Namecsp/rand-8-20-5/
normalized-rand-8-20-5-18-800-6_ext.xml
MD5SUM3888b994eade183d2e4ca8097fc27fc8
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 benchmark5.20621
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)

0.18/0.21	c mistral-prime version 1.313
0.18/0.21	c 
0.18/0.21	c Parsing xml file
0.18/0.21	c          domains...............     0	(1 domains)
0.18/0.21	c          variables.............     0	(20 variables)
0.18/0.21	c          relations.............   2.9	(18 relations)
2.85/2.94	c          constraints...........8.8905e-17	(18 constraints)
2.85/2.95	c Parsing time:    2.9
2.85/2.95	c
2.85/2.95	c Building model
2.95/3.00	c         0 constants
2.95/3.00	c         0 Boolean variables    (+0)
2.95/3.00	c         0 range variables      (+0)
2.95/3.00	c         0 domain (b) variables (+0)
2.95/3.00	c        20 domain (l) variables (+0)
2.95/3.00	c        18 constraints          (+0)
2.95/3.00	c         0 values 
2.95/3.00	c Building time:   0.06
2.95/3.00	c
2.95/3.00	c Solving instance
2.95/3.00	c          heuristic = dom/wdeg
2.95/3.00	c          Randomized probing iteration = 100
2.95/3.00	c          probing limit = 30
2.95/3.00	c          level based weights = no
2.95/3.00	c          impact probing = no
2.95/3.00	c          restart policy = No restart
2.95/3.00	c          probing ..........  0.53
3.44/3.55	c          Probing Nodes  4023
3.44/3.55	c          final run   9.23
12.67/12.85	c Solving time:   9.76
12.67/12.85	c
12.67/12.85	s SATISFIABLE
12.67/12.85	v 3 2 2 4 2 4 0 1 1 0 3 3 3 0 1 2 0 0 3 1
12.67/12.85	d CHECKS 2164068
12.67/12.85	d ASSIGNMENTS 43585

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-1084876-1215232241/watcher-1084876-1215232241 -o /tmp/evaluation-result-1084876-1215232241/solver-1084876-1215232241 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1084876-1215232241.xml -v 1 -rs 2010161264 -probe 1 -ph 0 -heu dom/wdeg -res no 

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 4/81 28313
/proc/meminfo: memFree=1751176/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=820 CPUtime=0
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 39 0 0 0 0 0 0 0 19 0 1 0 2002198890 839680 25 996147200 134512640 135239859 4294956144 18446744073709551615 7205668 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 205 25 19 177 0 3 0

[startup+0.0807529 s]
/proc/loadavg: 2.06 2.03 2.00 4/81 28313
/proc/meminfo: memFree=1751176/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=6220 CPUtime=0.06
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 829 0 0 0 6 0 0 0 18 0 1 0 2002198890 6369280 795 996147200 134512640 135239859 4294956144 18446744073709551615 134943808 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 1555 795 373 177 0 458 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 6220

[startup+0.101742 s]
/proc/loadavg: 2.06 2.03 2.00 4/81 28313
/proc/meminfo: memFree=1751176/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=6616 CPUtime=0.08
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 937 0 0 0 8 0 0 0 18 0 1 0 2002198890 6774784 903 996147200 134512640 135239859 4294956144 18446744073709551615 134642512 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 1654 903 373 177 0 557 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6616

[startup+0.301694 s]
/proc/loadavg: 2.06 2.03 2.00 4/81 28313
/proc/meminfo: memFree=1751176/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=10616 CPUtime=0.28
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 1960 0 0 0 27 1 0 0 19 0 1 0 2002198890 10870784 1926 996147200 134512640 135239859 4294956144 18446744073709551615 134670418 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 2654 1926 373 177 0 1557 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10616

[startup+0.701589 s]
/proc/loadavg: 2.06 2.03 2.00 4/81 28313
/proc/meminfo: memFree=1751176/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=18928 CPUtime=0.67
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 3998 0 0 0 65 2 0 0 23 0 1 0 2002198890 19382272 3964 996147200 134512640 135239859 4294956144 18446744073709551615 134579435 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 4732 3964 373 177 0 3635 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 18928

[startup+1.50138 s]
/proc/loadavg: 2.06 2.03 2.00 3/82 28314
/proc/meminfo: memFree=1729792/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=35384 CPUtime=1.46
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 8107 0 0 0 141 5 0 0 25 0 1 0 2002198890 36233216 8073 996147200 134512640 135239859 4294956144 18446744073709551615 134643603 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 8846 8073 373 177 0 7749 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 35384

[startup+3.10196 s]
/proc/loadavg: 2.06 2.03 2.00 3/82 28314
/proc/meminfo: memFree=1707840/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=66140 CPUtime=3.05
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 15903 0 0 0 295 10 0 0 25 0 1 0 2002198890 67727360 15869 996147200 134512640 135239859 4294956144 18446744073709551615 134820216 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 16535 15869 410 177 0 15438 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 66140

[startup+6.30113 s]
/proc/loadavg: 2.05 2.03 2.00 3/82 28314
/proc/meminfo: memFree=1689280/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=66140 CPUtime=6.22
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 15904 0 0 0 612 10 0 0 25 0 1 0 2002198890 67727360 15870 996147200 134512640 135239859 4294956144 18446744073709551615 135095222 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 16535 15870 411 177 0 15438 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 66140

[startup+12.7015 s]
/proc/loadavg: 2.05 2.03 2.00 3/82 28314
/proc/meminfo: memFree=1689344/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=66140 CPUtime=12.57
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 15904 0 0 0 1247 10 0 0 25 0 1 0 2002198890 67727360 15870 996147200 134512640 135239859 4294956144 18446744073709551615 134789525 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 16535 15870 411 177 0 15438 0
Current children cumulated CPU time (s) 12.57
Current children cumulated vsize (KiB) 66140

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

[startup+12.9024 s]
/proc/loadavg: 2.05 2.03 2.00 3/82 28314
/proc/meminfo: memFree=1689344/2055920 swapFree=4180112/4192956
[pid=28313] ppid=28311 vsize=62752 CPUtime=12.77
/proc/28313/stat : 28313 (xsolve) R 28311 28313 27691 0 -1 4194304 15915 0 0 0 1267 10 0 0 25 0 1 0 2002198890 64258048 15034 996147200 134512640 135239859 4294956144 18446744073709551615 7638568 0 0 4096 0 0 0 0 17 1 0 0
/proc/28313/statm: 15688 15034 422 177 0 14591 0
Current children cumulated CPU time (s) 12.77
Current children cumulated vsize (KiB) 62752

Child status: 0
Real time (s): 12.9399
CPU time (s): 12.8191
CPU user time (s): 12.7011
CPU system time (s): 0.117982
CPU usage (%): 99.0662
Max. virtual memory (cumulated for all children) (KiB): 66140

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 12.7011
system time used= 0.117982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15916
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= 569

runsolver used 0.017997 second user time and 0.038994 second system time

The end

Launcher Data (download as text)

Begin job on node16 at 2008-07-05 06:30:43
IDJOB=1084876
IDBENCH=57587
IDSOLVER=342
FILE ID=node16/1084876-1215232241
PBS_JOBID= 7881913
Free space on /tmp= 66504 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/rand-8-20-5/normalized-rand-8-20-5-18-800-6_ext.xml
COMMAND LINE= HOME/xsolve BENCHNAME -v 1 -rs RANDOMSEED -probe 1 -ph 0 -heu dom/wdeg -res no
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1084876-1215232241/watcher-1084876-1215232241 -o /tmp/evaluation-result-1084876-1215232241/solver-1084876-1215232241 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1084876-1215232241.xml -v 1 -rs 2010161264 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 3888b994eade183d2e4ca8097fc27fc8
RANDOM SEED=2010161264

node16.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		: 3000.213
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		: 3000.213
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:       1751656 kB
Buffers:         42752 kB
Cached:         186804 kB
SwapCached:       6676 kB
Active:         183088 kB
Inactive:        68984 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1751656 kB
SwapTotal:     4192956 kB
SwapFree:      4180112 kB
Dirty:           22984 kB
Writeback:           0 kB
Mapped:          38580 kB
Slab:            37316 kB
Committed_AS:  3529396 kB
PageTables:       1924 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= 66504 MiB
End job on node16 at 2008-07-05 06:30:56