Trace number 2091944

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
pcs-restart 0.3.2UNSAT 69.1395 70.0304

DiagnosticValue
ASSIGNMENTS98300

General information on the benchmark

Namecsp/tightness0.1/
normalized-rand-2-40-8-753-100-3_ext.xml
MD5SUMd2ddf61ca5264612cbfc8fe286f71e64
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.61645
Satisfiable
(Un)Satisfiability was proved
Number of variables40
Number of constraints752
Maximum constraint arity2
Maximum domain size8
Number of constraints which are defined in extension752
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c small-domain mode
0.18/0.20	c Seed is 174232590
0.18/0.20	c Constructing HOME/instance-2091944-1247733603.xml  with 3075 constraints
0.18/0.20	c Solving 98300 backtracks 19 restarts
69.09/70.02	s UNSATISFIABLE
69.09/70.02	d ASSIGNMENTS 98300

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2091944-1247733603/watcher-2091944-1247733603 -o /tmp/evaluation-result-2091944-1247733603/solver-2091944-1247733603 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 174232590 HOME/instance-2091944-1247733603.xml 

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): 2000 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


[startup+0 s]
/proc/loadavg: 2.04 2.01 2.00 4/72 20980
/proc/meminfo: memFree=1442348/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=5356 CPUtime=0
/proc/20980/stat : 20980 (pcssolve) R 20978 20980 20521 0 -1 4194304 290 0 0 0 0 0 0 0 19 0 1 0 60424953 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 256364833439 0 65538 4100 65536 0 0 0 17 0 0 0
/proc/20980/statm: 1339 241 200 169 0 50 0
[pid=20981] ppid=20980 vsize=0 CPUtime=0
/proc/20981/stat : 20981 (fgrep) Z 20980 20980 20521 0 -1 4194316 155 0 0 0 0 0 0 0 19 0 1 0 60424954 0 0 996147200 0 0 0 0 0 0 0 4096 0 18446744071563351923 0 0 17 1 0 0
/proc/20981/statm: 0 0 0 0 0 0 0
[pid=20982] ppid=20980 vsize=5356 CPUtime=0
/proc/20982/stat : 20982 (pcssolve) R 20980 20980 20521 0 -1 4194368 0 0 0 0 0 0 0 0 19 0 1 0 60424954 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 256364833439 0 65538 4100 65536 0 0 0 17 0 0 0
/proc/20982/statm: 1339 241 200 169 0 50 0

[startup+0.086015 s]
/proc/loadavg: 2.04 2.01 2.00 4/72 20980
/proc/meminfo: memFree=1442348/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=5080 CPUtime=0.06
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 1000 822 0 0 6 0 0 0 18 0 1 0 60424953 5201920 609 996147200 134512640 135095119 4294956304 18446744073709551615 134588912 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 1270 609 378 142 0 224 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5080

[startup+0.101015 s]
/proc/loadavg: 2.04 2.01 2.00 4/72 20980
/proc/meminfo: memFree=1442348/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=5080 CPUtime=0.08
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 1000 822 0 0 8 0 0 0 18 0 1 0 60424953 5201920 609 996147200 134512640 135095119 4294956304 18446744073709551615 134589668 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 1270 609 378 142 0 224 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5080

[startup+0.301037 s]
/proc/loadavg: 2.04 2.01 2.00 4/72 20980
/proc/meminfo: memFree=1442348/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=5340 CPUtime=0.28
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 1063 822 0 0 28 0 0 0 19 0 1 0 60424953 5468160 639 996147200 134512640 135095119 4294956304 18446744073709551615 134842291 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 1335 639 378 142 0 289 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 5340

[startup+0.701077 s]
/proc/loadavg: 2.04 2.01 2.00 4/72 20980
/proc/meminfo: memFree=1442348/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=5728 CPUtime=0.67
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 1203 822 0 0 67 0 0 0 23 0 1 0 60424953 5865472 746 996147200 134512640 135095119 4294956304 18446744073709551615 134577772 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 1432 746 378 142 0 386 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 5728

[startup+1.50116 s]
/proc/loadavg: 2.04 2.01 2.00 3/73 20986
/proc/meminfo: memFree=1440420/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=6896 CPUtime=1.47
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 1577 822 0 0 147 0 0 0 25 0 1 0 60424953 7061504 990 996147200 134512640 135095119 4294956304 18446744073709551615 134615623 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 1724 990 378 142 0 678 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 6896

[startup+3.10133 s]
/proc/loadavg: 2.12 2.03 2.01 3/73 20986
/proc/meminfo: memFree=1439268/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=7796 CPUtime=2.71
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 1907 822 0 0 271 0 0 0 25 0 1 0 60424953 7983104 1191 996147200 134512640 135095119 4294956304 18446744073709551615 134644025 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 1949 1191 378 142 0 903 0
Current children cumulated CPU time (s) 2.71
Current children cumulated vsize (KiB) 7796

[startup+6.30166 s]
/proc/loadavg: 2.12 2.03 2.01 3/73 20986
/proc/meminfo: memFree=1436324/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=11044 CPUtime=5.87
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 2961 822 0 0 586 1 0 0 25 0 1 0 60424953 11309056 1859 996147200 134512640 135095119 4294956304 18446744073709551615 134589545 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 2761 1859 378 142 0 1715 0
Current children cumulated CPU time (s) 5.87
Current children cumulated vsize (KiB) 11044

[startup+12.7013 s]
/proc/loadavg: 2.10 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1430756/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=17524 CPUtime=12.23
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 4970 822 0 0 1220 3 0 0 25 0 1 0 60424953 17944576 3098 996147200 134512640 135095119 4294956304 18446744073709551615 134589508 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 4381 3098 378 142 0 3335 0
Current children cumulated CPU time (s) 12.23
Current children cumulated vsize (KiB) 17524

[startup+25.5067 s]
/proc/loadavg: 2.08 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1425188/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=24348 CPUtime=24.94
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 7244 822 0 0 2489 5 0 0 25 0 1 0 60424953 24932352 4347 996147200 134512640 135095119 4294956304 18446744073709551615 134589562 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 6087 4347 378 142 0 5041 0
Current children cumulated CPU time (s) 24.94
Current children cumulated vsize (KiB) 24348

[startup+51.1013 s]
/proc/loadavg: 2.06 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1415908/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=31784 CPUtime=50.34
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 9837 822 0 0 5027 7 0 0 25 0 1 0 60424953 32546816 6427 996147200 134512640 135095119 4294956304 18446744073709551615 134617027 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 7946 6427 378 142 0 6900 0
Current children cumulated CPU time (s) 50.34
Current children cumulated vsize (KiB) 31784

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

[startup+51.3013 s]
/proc/loadavg: 2.06 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1415908/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=31784 CPUtime=50.54
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 9848 822 0 0 5047 7 0 0 25 0 1 0 60424953 32546816 6438 996147200 134512640 135095119 4294956304 18446744073709551615 134617043 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 7946 6438 378 142 0 6900 0
Current children cumulated CPU time (s) 50.54
Current children cumulated vsize (KiB) 31784

[startup+57.702 s]
/proc/loadavg: 2.05 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1413924/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=32700 CPUtime=56.89
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 10253 822 0 0 5682 7 0 0 25 0 1 0 60424953 33484800 6843 996147200 134512640 135095119 4294956304 18446744073709551615 134615475 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 8175 6843 378 142 0 7129 0
Current children cumulated CPU time (s) 56.89
Current children cumulated vsize (KiB) 32700

[startup+64.1026 s]
/proc/loadavg: 2.04 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1412004/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=33740 CPUtime=63.24
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 10641 822 0 0 6316 8 0 0 25 0 1 0 60424953 34549760 7231 996147200 134512640 135095119 4294956304 18446744073709551615 134589562 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 8435 7231 378 142 0 7389 0
Current children cumulated CPU time (s) 63.24
Current children cumulated vsize (KiB) 33740

[startup+67.306 s]
/proc/loadavg: 2.04 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1411108/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=34128 CPUtime=66.42
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 10828 822 0 0 6634 8 0 0 25 0 1 0 60424953 34947072 7418 996147200 134512640 135095119 4294956304 18446744073709551615 134589560 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 8532 7418 378 142 0 7486 0
Current children cumulated CPU time (s) 66.42
Current children cumulated vsize (KiB) 34128

[startup+68.9011 s]
/proc/loadavg: 2.04 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1410852/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=34384 CPUtime=68
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 10921 822 0 0 6792 8 0 0 25 0 1 0 60424953 35209216 7511 996147200 134512640 135095119 4294956304 18446744073709551615 134589562 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 8596 7511 378 142 0 7550 0
Current children cumulated CPU time (s) 68
Current children cumulated vsize (KiB) 34384

[startup+69.7012 s]
/proc/loadavg: 2.04 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1410532/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=34516 CPUtime=68.79
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 10970 822 0 0 6871 8 0 0 25 0 1 0 60424953 35344384 7560 996147200 134512640 135095119 4294956304 18446744073709551615 134616896 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 8629 7560 378 142 0 7583 0
Current children cumulated CPU time (s) 68.79
Current children cumulated vsize (KiB) 34516

[startup+69.9012 s]
/proc/loadavg: 2.04 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1410532/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=34516 CPUtime=68.99
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 10981 822 0 0 6891 8 0 0 25 0 1 0 60424953 35344384 7571 996147200 134512640 135095119 4294956304 18446744073709551615 134589560 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 8629 7571 378 142 0 7583 0
Current children cumulated CPU time (s) 68.99
Current children cumulated vsize (KiB) 34516

[startup+70.0013 s]
/proc/loadavg: 2.04 2.02 2.00 3/73 20986
/proc/meminfo: memFree=1410532/2055920 swapFree=4192812/4192956
[pid=20980] ppid=20978 vsize=22220 CPUtime=69.09
/proc/20980/stat : 20980 (pcs.small) R 20978 20980 20521 0 -1 4194304 10982 822 0 0 6901 8 0 0 25 0 1 0 60424953 22753280 4901 996147200 134512640 135095119 4294956304 18446744073709551615 10690712 0 0 4096 0 0 0 0 17 1 0 0
/proc/20980/statm: 5555 4901 378 142 0 4509 0
Current children cumulated CPU time (s) 69.09
Current children cumulated vsize (KiB) 22220

Child status: 0
Real time (s): 70.0304
CPU time (s): 69.1395
CPU user time (s): 69.0425
CPU system time (s): 0.096985
CPU usage (%): 98.7279
Max. virtual memory (cumulated for all children) (KiB): 34516

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 69.0425
system time used= 0.096985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11807
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= 14
involuntary context switches= 1527

runsolver used 0.136979 second user time and 0.404938 second system time

The end

Launcher Data 

Begin job on node90 at 2009-07-16 10:40:03
IDJOB=2091944
IDBENCH=60196
IDSOLVER=734
FILE ID=node90/2091944-1247733603
PBS_JOBID= 9521644
Free space on /tmp= 66096 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/tightness0.1/normalized-rand-2-40-8-753-100-3_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2091944-1247733603/watcher-2091944-1247733603 -o /tmp/evaluation-result-2091944-1247733603/solver-2091944-1247733603 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 174232590 HOME/instance-2091944-1247733603.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= d2ddf61ca5264612cbfc8fe286f71e64
RANDOM SEED=174232590

node90.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		: 3000.212
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		: 3000.212
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:       1442828 kB
Buffers:         96436 kB
Cached:         318432 kB
SwapCached:          0 kB
Active:         129960 kB
Inactive:       378912 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1442828 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2100 kB
Writeback:           0 kB
Mapped:          99224 kB
Slab:            89480 kB
Committed_AS:   706872 kB
PageTables:       1964 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= 66096 MiB
End job on node90 at 2009-07-16 10:41:13