Trace number 1097653

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-noprobe 2008-06-27SAT 3.19151 3.20896

DiagnosticValue
ASSIGNMENTS32395
CHECKS13039100

General information on the benchmark

Namecsp/tightness0.35/
normalized-rand-2-40-16-250-350-64_ext.xml
MD5SUM9176eba9f5c38264a403efbef35c3d11
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.13452
Satisfiable
(Un)Satisfiability was proved
Number of variables40
Number of constraints250
Maximum constraint arity2
Maximum domain size16
Number of constraints which are defined in extension250
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.09/0.10	c mistral-prime version 1.313
3.08/3.20	s SATISFIABLE
3.08/3.20	v 1 0 4 13 1 1 0 3 3 2 13 5 1 6 6 10 6 5 8 11 0 3 0 6 6 4 1 7 1 10 12 1 7 5 14 6 11 3 15 5
3.08/3.20	d CHECKS 13039104
3.08/3.20	d ASSIGNMENTS 32395

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-1097653-1215282667/watcher-1097653-1215282667 -o /tmp/evaluation-result-1097653-1215282667/solver-1097653-1215282667 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1097653-1215282667.xml -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: 2.03 2.02 2.00 4/82 8367
/proc/meminfo: memFree=1753992/2055920 swapFree=4179388/4192956
[pid=8367] ppid=8365 vsize=1968 CPUtime=0
/proc/8367/stat : 8367 (xsolve) R 8365 8367 7342 0 -1 4194304 44 0 0 0 0 0 0 0 20 0 1 0 640522362 2015232 29 996147200 134512640 135239859 4294956208 18446744073709551615 1606436 0 0 4096 0 0 0 0 17 1 0 0
/proc/8367/statm: 492 29 21 177 0 4 0

[startup+0.0615601 s]
/proc/loadavg: 2.03 2.02 2.00 4/82 8367
/proc/meminfo: memFree=1753992/2055920 swapFree=4179388/4192956
[pid=8367] ppid=8365 vsize=5512 CPUtime=0.05
/proc/8367/stat : 8367 (xsolve) R 8365 8367 7342 0 -1 4194304 703 0 0 0 5 0 0 0 20 0 1 0 640522362 5644288 669 996147200 134512640 135239859 4294956208 18446744073709551615 135031006 0 0 4096 0 0 0 0 17 0 0 0
/proc/8367/statm: 1378 669 386 177 0 281 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 5512

[startup+0.101557 s]
/proc/loadavg: 2.03 2.02 2.00 4/82 8367
/proc/meminfo: memFree=1753992/2055920 swapFree=4179388/4192956
[pid=8367] ppid=8365 vsize=5512 CPUtime=0.09
/proc/8367/stat : 8367 (xsolve) R 8365 8367 7342 0 -1 4194304 703 0 0 0 9 0 0 0 20 0 1 0 640522362 5644288 669 996147200 134512640 135239859 4294956208 18446744073709551615 135103158 0 0 4096 0 0 0 0 17 0 0 0
/proc/8367/statm: 1378 669 386 177 0 281 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5512

[startup+0.30158 s]
/proc/loadavg: 2.03 2.02 2.00 4/82 8367
/proc/meminfo: memFree=1753992/2055920 swapFree=4179388/4192956
[pid=8367] ppid=8365 vsize=5516 CPUtime=0.29
/proc/8367/stat : 8367 (xsolve) R 8365 8367 7342 0 -1 4194304 704 0 0 0 29 0 0 0 22 0 1 0 640522362 5648384 670 996147200 134512640 135239859 4294956208 18446744073709551615 135103108 0 0 4096 0 0 0 0 17 0 0 0
/proc/8367/statm: 1379 670 386 177 0 282 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5516

[startup+0.701624 s]
/proc/loadavg: 2.03 2.02 2.00 4/82 8367
/proc/meminfo: memFree=1753992/2055920 swapFree=4179388/4192956
[pid=8367] ppid=8365 vsize=5516 CPUtime=0.69
/proc/8367/stat : 8367 (xsolve) R 8365 8367 7342 0 -1 4194304 704 0 0 0 69 0 0 0 25 0 1 0 640522362 5648384 670 996147200 134512640 135239859 4294956208 18446744073709551615 135019211 0 0 4096 0 0 0 0 17 0 0 0
/proc/8367/statm: 1379 670 386 177 0 282 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5516

[startup+1.50172 s]
/proc/loadavg: 2.03 2.02 2.00 3/83 8368
/proc/meminfo: memFree=1752704/2055920 swapFree=4179388/4192956
[pid=8367] ppid=8365 vsize=5516 CPUtime=1.48
/proc/8367/stat : 8367 (xsolve) R 8365 8367 7342 0 -1 4194304 704 0 0 0 148 0 0 0 25 0 1 0 640522362 5648384 670 996147200 134512640 135239859 4294956208 18446744073709551615 134788033 0 0 4096 0 0 0 0 17 0 0 0
/proc/8367/statm: 1379 670 386 177 0 282 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 5516

[startup+3.10189 s]
/proc/loadavg: 2.03 2.02 2.00 3/83 8368
/proc/meminfo: memFree=1752576/2055920 swapFree=4179388/4192956
[pid=8367] ppid=8365 vsize=5516 CPUtime=3.08
/proc/8367/stat : 8367 (xsolve) R 8365 8367 7342 0 -1 4194304 704 0 0 0 308 0 0 0 25 0 1 0 640522362 5648384 670 996147200 134512640 135239859 4294956208 18446744073709551615 134821224 0 0 4096 0 0 0 0 17 0 0 0
/proc/8367/statm: 1379 670 386 177 0 282 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 5516

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

[startup+3.20191 s]
/proc/loadavg: 2.03 2.02 2.00 3/83 8368
/proc/meminfo: memFree=1752576/2055920 swapFree=4179388/4192956
[pid=8367] ppid=8365 vsize=5516 CPUtime=3.18
/proc/8367/stat : 8367 (xsolve) R 8365 8367 7342 0 -1 4194304 719 0 0 0 318 0 0 0 25 0 1 0 640522362 5648384 685 996147200 134512640 135239859 4294956208 18446744073709551615 135013704 0 0 4096 0 0 0 0 17 0 0 0
/proc/8367/statm: 1379 685 401 177 0 282 0
Current children cumulated CPU time (s) 3.18
Current children cumulated vsize (KiB) 5516

Child status: 0
Real time (s): 3.20896
CPU time (s): 3.19151
CPU user time (s): 3.18751
CPU system time (s): 0.003999
CPU usage (%): 99.4562
Max. virtual memory (cumulated for all children) (KiB): 5516

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.18751
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 720
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= 51

runsolver used 0.005999 second user time and 0.016997 second system time

The end

Launcher Data (download as text)

Begin job on node87 at 2008-07-05 20:31:07
IDJOB=1097653
IDBENCH=59516
IDSOLVER=343
FILE ID=node87/1097653-1215282667
PBS_JOBID= 7882311
Free space on /tmp= 66484 MiB

SOLVER NAME= MDG-noprobe 2008-06-27
BENCH NAME= CPAI08/csp/tightness0.35/normalized-rand-2-40-16-250-350-64_ext.xml
COMMAND LINE= HOME/xsolve BENCHNAME -heu dom/wdeg -res no 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1097653-1215282667/watcher-1097653-1215282667 -o /tmp/evaluation-result-1097653-1215282667/solver-1097653-1215282667 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1097653-1215282667.xml -heu dom/wdeg -res no 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 9176eba9f5c38264a403efbef35c3d11
RANDOM SEED=330956078

node87.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		: 3000.232
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		: 3000.232
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1754472 kB
Buffers:         43676 kB
Cached:         189396 kB
SwapCached:       7716 kB
Active:         155656 kB
Inactive:        99036 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1754472 kB
SwapTotal:     4192956 kB
SwapFree:      4179388 kB
Dirty:            1072 kB
Writeback:           0 kB
Mapped:          37532 kB
Slab:            31780 kB
Committed_AS:  1722696 kB
PageTables:       1960 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264992 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66484 MiB
End job on node87 at 2008-07-05 20:31:10