Trace number 2087478

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 0.3.2? (MO) 137.518 138.835

General information on the benchmark

Namecsp/queens/
normalized-queens-180.xml
MD5SUMc14abf4d20a38dc3ddd30b1ce4c8122e
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 benchmark9.79051
Satisfiable
(Un)Satisfiability was proved
Number of variables180
Number of constraints16110
Maximum constraint arity2
Maximum domain size180
Number of constraints which are defined in extension0
Number of constraints which are defined in intension16110
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c has big domains
0.00/0.02	c big-domain mode
0.00/0.02	c Seed is 1151504553
0.00/0.02	c Constructing HOME/instance-2087478-1247727683.xml 
1.17/1.22	c deduced all_different(V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,V20,V21,V22,V23,V24,V25,V26,V27,V28,V29,V30,V31,V32,V33,V34,V35,V36,V37,V38,V39,V40,V41,V42,V43,V44,V45,V46,V47,V48,V49,V50,V51,V52,V53,V54,V55,V56,V57,V58,V59,V60,V61,V62,V63,V64,V65,V66,V67,V68,V69,V70,V71,V72,V73,V74,V75,V76,V77,V78,V79,V80,V81,V82,V83,V84,V85,V86,V87,V88,V89,V90,V91,V92,V93,V94,V95,V96,V97,V98,V99,V100,V101,V102,V103,V104,V105,V106,V107,V108,V109,V110,V111,V112,V113,V114,V115,V116,V117,V118,V119,V120,V121,V122,V123,V124,V125,V126,V127,V128,V129,V130,V131,V132,V133,V134,V135,V136,V137,V138,V139,V140,V141,V142,V143,V144,V145,V146,V147,V148,V149,V150,V151,V152,V153,V154,V155,V156,V157,V158,V159,V160,V161,V162,V163,V164,V165,V166,V167,V168,V169,V170,V171,V172,V173,V174,V175,V176,V177,V178,V179,V0)
1.17/1.22	c  with 64441 constraints
1.17/1.22	c Solving

Verifier Data 

ERROR: Unexpected answer ! ('s SATISFIABLE'/'s UNSATISFIABLE' expected)
Got answer: <no 's ' line found>

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2087478-1247727683/watcher-2087478-1247727683 -o /tmp/evaluation-result-2087478-1247727683/solver-2087478-1247727683 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1151504553 HOME/instance-2087478-1247727683.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: 2.09 2.10 2.03 4/81 9586
/proc/meminfo: memFree=1304584/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=5356 CPUtime=0
/proc/9586/stat : 9586 (pcssolve) R 9584 9586 8865 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 59834877 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 273952598687 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/9586/statm: 1339 241 200 169 0 50 0
[pid=9587] ppid=9586 vsize=5356 CPUtime=0
/proc/9587/stat : 9587 (pcssolve) R 9586 9586 8865 0 -1 4194368 22 0 0 0 0 0 0 0 22 0 1 0 59834878 5484544 243 996147200 4194304 4889804 548682068800 18446744073709551615 273952599335 0 0 4096 0 0 0 0 17 1 0 0
/proc/9587/statm: 1339 243 202 169 0 50 0
[pid=9588] ppid=9586 vsize=5356 CPUtime=0
/proc/9588/stat : 9588 (pcssolve) R 9586 9586 8865 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 59834878 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 273952598687 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/9588/statm: 1339 241 200 169 0 50 0

[startup+0.067251 s]
/proc/loadavg: 2.09 2.10 2.03 4/81 9586
/proc/meminfo: memFree=1304584/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=5436 CPUtime=0.04
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 1004 656 0 0 4 0 0 0 23 0 1 0 59834877 5566464 635 996147200 134512640 135215973 4294956304 18446744073709551615 134757343 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 1359 635 385 171 0 284 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 5436

[startup+0.10225 s]
/proc/loadavg: 2.09 2.10 2.03 4/81 9586
/proc/meminfo: memFree=1304584/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=5860 CPUtime=0.07
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 1142 656 0 0 7 0 0 0 23 0 1 0 59834877 6000640 740 996147200 134512640 135215973 4294956304 18446744073709551615 4159198434 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 1465 740 385 171 0 390 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5860

[startup+0.302288 s]
/proc/loadavg: 2.09 2.10 2.03 4/81 9586
/proc/meminfo: memFree=1304584/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=9408 CPUtime=0.27
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 2111 656 0 0 26 1 0 0 25 0 1 0 59834877 9633792 1511 996147200 134512640 135215973 4294956304 18446744073709551615 134912290 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 2352 1511 385 171 0 1277 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 9408

[startup+0.701321 s]
/proc/loadavg: 2.09 2.10 2.03 4/81 9586
/proc/meminfo: memFree=1304584/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=15688 CPUtime=0.67
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 4215 656 0 0 65 2 0 0 25 0 1 0 59834877 16064512 2738 996147200 134512640 135215973 4294956304 18446744073709551615 4158960610 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 3922 2738 385 171 0 2847 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 15688

[startup+1.50142 s]
/proc/loadavg: 2.08 2.10 2.03 3/82 9591
/proc/meminfo: memFree=1290816/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=29040 CPUtime=1.45
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 9381 656 0 0 141 4 0 0 25 0 1 0 59834877 29736960 6370 996147200 134512640 135215973 4294956304 18446744073709551615 4158960007 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 7260 6370 403 171 0 6185 0
Current children cumulated CPU time (s) 1.45
Current children cumulated vsize (KiB) 29040

[startup+3.1016 s]
/proc/loadavg: 2.08 2.10 2.03 3/82 9591
/proc/meminfo: memFree=1271232/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=51748 CPUtime=3.04
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 17238 656 0 0 296 8 0 0 25 0 1 0 59834877 52989952 11633 996147200 134512640 135215973 4294956304 18446744073709551615 134532991 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 12937 11633 407 171 0 11862 0
Current children cumulated CPU time (s) 3.04
Current children cumulated vsize (KiB) 51748

[startup+6.30197 s]
/proc/loadavg: 2.07 2.10 2.03 3/82 9591
/proc/meminfo: memFree=1231872/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=84652 CPUtime=6.22
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 28022 656 0 0 609 13 0 0 25 0 1 0 59834877 86683648 18917 996147200 134512640 135215973 4294956304 18446744073709551615 134594146 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 21163 18917 407 171 0 20088 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 84652

[startup+12.7017 s]
/proc/loadavg: 2.07 2.10 2.03 3/82 9591
/proc/meminfo: memFree=1168960/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=162440 CPUtime=12.56
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 50087 656 0 0 1235 21 0 0 25 0 1 0 59834877 166338560 34153 996147200 134512640 135215973 4294956304 18446744073709551615 134600384 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 40610 34153 407 171 0 39535 0
Current children cumulated CPU time (s) 12.56
Current children cumulated vsize (KiB) 162440

[startup+25.5022 s]
/proc/loadavg: 2.05 2.09 2.03 3/82 9591
/proc/meminfo: memFree=1141696/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=176840 CPUtime=25.24
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 57222 656 0 0 2500 24 0 0 25 0 1 0 59834877 181084160 41071 996147200 134512640 135215973 4294956304 18446744073709551615 4158960021 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 44210 41071 407 171 0 43135 0
Current children cumulated CPU time (s) 25.24
Current children cumulated vsize (KiB) 176840

[startup+51.1022 s]
/proc/loadavg: 2.03 2.08 2.03 3/82 9591
/proc/meminfo: memFree=930624/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=423120 CPUtime=50.59
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 123215 656 0 0 5009 50 0 0 25 0 1 0 59834877 433274880 93678 996147200 134512640 135215973 4294956304 18446744073709551615 134587884 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 105780 93678 407 171 0 104705 0
Current children cumulated CPU time (s) 50.59
Current children cumulated vsize (KiB) 423120

[startup+102.306 s]
/proc/loadavg: 2.01 2.07 2.02 3/82 9591
/proc/meminfo: memFree=791808/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=534032 CPUtime=101.32
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 157936 656 0 0 10067 65 0 0 25 0 1 0 59834877 546848768 128314 996147200 134512640 135215973 4294956304 18446744073709551615 134597302 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 133508 128314 407 171 0 132433 0
Current children cumulated CPU time (s) 101.32
Current children cumulated vsize (KiB) 534032



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+138.701 s]
/proc/loadavg: 2.01 2.06 2.02 3/82 9591
/proc/meminfo: memFree=559488/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=940468 CPUtime=137.38
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4194304 215883 656 0 0 13647 91 0 0 25 0 1 0 59834877 963039232 186201 996147200 134512640 135215973 4294956304 18446744073709551615 8054395 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 235117 186201 407 171 0 234042 0
Current children cumulated CPU time (s) 137.38
Current children cumulated vsize (KiB) 940468

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+138.807 s]
/proc/loadavg: 2.01 2.06 2.02 3/82 9591
/proc/meminfo: memFree=559488/2055920 swapFree=4192812/4192956
[pid=9586] ppid=9584 vsize=0 CPUtime=137.47
/proc/9586/stat : 9586 (pcs.big) R 9584 9586 8865 0 -1 4195332 215883 656 0 0 13647 100 0 0 25 0 1 0 59834877 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/9586/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 137.47
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 138.835
CPU time (s): 137.518
CPU user time (s): 136.475
CPU system time (s): 1.04284
CPU usage (%): 99.0516
Max. virtual memory (cumulated for all children) (KiB): 940468

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 136.475
system time used= 1.04284
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 216539
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= 18
involuntary context switches= 5720

runsolver used 0.185971 second user time and 0.45793 second system time

The end

Launcher Data 

Begin job on node20 at 2009-07-16 09:01:23
IDJOB=2087478
IDBENCH=58731
IDSOLVER=734
FILE ID=node20/2087478-1247727683
PBS_JOBID= 9521579
Free space on /tmp= 66296 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/queens/normalized-queens-180.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2087478-1247727683/watcher-2087478-1247727683 -o /tmp/evaluation-result-2087478-1247727683/solver-2087478-1247727683 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1151504553 HOME/instance-2087478-1247727683.xml

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

MD5SUM BENCH= c14abf4d20a38dc3ddd30b1ce4c8122e
RANDOM SEED=1151504553

node20.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		: 3000.236
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		: 3000.236
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:       1305064 kB
Buffers:         90876 kB
Cached:         536628 kB
SwapCached:          0 kB
Active:         158540 kB
Inactive:       502084 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1305064 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4384 kB
Writeback:           0 kB
Mapped:          53580 kB
Slab:            75368 kB
Committed_AS:   492476 kB
PageTables:       1892 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= 66292 MiB
End job on node20 at 2009-07-16 09:03:44