Trace number 269343

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, and are wall clock time (not CPU 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
VALCSP 3.1? (MO) 270.705 270.83

General information on the benchmark

Nametaillard/
js-taillard-20/js-taillard-20-95-4.xml
MD5SUM4c4deeb2afb0e80a3737568b2042a76c
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark374.043
SatisfiableNO
(Un)Satisfiability was proved
Number of variables400
Number of constraints4180
Maximum constraint arity2
Maximum domain size1518
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4180
Global constraints used (with number of constraints)

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SAT/UNSAT expected)
Got answer: 



Watcher Data (download as text)




runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node23/watcher-269343-1168980534 -o ROOT/results/node23/solver-269343-1168980534 -C 1800 -M 900 /tmp/evaluation/269343-1168980534/VALCSP /tmp/evaluation/269343-1168980534/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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

/proc/loadavg: 0.09 0.19 0.56 2/81 6528
/proc/meminfo: memFree=1783672/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=3072 CPUtime=0
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 514 0 0 0 0 0 0 0 18 0 1 0 246449109 3145728 492 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 2930299 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 768 496 63 8 0 440 0

[startup+0.102577 s]
/proc/loadavg: 0.09 0.19 0.56 2/81 6528
/proc/meminfo: memFree=1783672/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=25940 CPUtime=0.09
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 6220 0 0 0 8 1 0 0 18 0 1 0 246449109 26562560 6198 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 6485 6198 64 8 0 6157 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 25940

[startup+0.510658 s]
/proc/loadavg: 0.09 0.19 0.56 2/81 6528
/proc/meminfo: memFree=1783672/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=25940 CPUtime=0.5
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 6220 0 0 0 49 1 0 0 22 0 1 0 246449109 26562560 6198 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 6485 6198 64 8 0 6157 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 25940

[startup+1.33182 s]
/proc/loadavg: 0.09 0.19 0.56 3/86 6533
/proc/meminfo: memFree=1733256/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=25940 CPUtime=1.32
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 6220 0 0 0 131 1 0 0 25 0 1 0 246449109 26562560 6198 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529359 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 6485 6198 64 8 0 6157 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 25940

[startup+2.96914 s]
/proc/loadavg: 0.09 0.19 0.56 3/86 6533
/proc/meminfo: memFree=1733192/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=34640 CPUtime=2.96
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 8386 0 0 0 294 2 0 0 25 0 1 0 246449109 35471360 8364 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 8660 8364 64 8 0 8332 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 34640

[startup+6.25076 s]
/proc/loadavg: 0.24 0.22 0.57 3/86 6533
/proc/meminfo: memFree=1698440/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=43316 CPUtime=6.24
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 10559 0 0 0 621 3 0 0 25 0 1 0 246449109 44355584 10537 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 10829 10537 64 8 0 10501 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 43316

[startup+12.708 s]
/proc/loadavg: 0.38 0.25 0.58 3/86 6533
/proc/meminfo: memFree=1663560/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=60940 CPUtime=12.69
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 14959 0 0 0 1265 4 0 0 25 0 1 0 246449109 62402560 14937 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 15235 14937 64 8 0 14907 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 60940

[startup+25.5215 s]
/proc/loadavg: 0.63 0.30 0.59 3/86 6533
/proc/meminfo: memFree=1568712/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=104276 CPUtime=25.5
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 25811 0 0 0 2541 9 0 0 25 0 1 0 246449109 106778624 25789 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 26069 25789 64 8 0 25741 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 104276

[startup+51.1434 s]
/proc/loadavg: 1.17 0.46 0.63 3/86 6533
/proc/meminfo: memFree=1386248/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=190564 CPUtime=51.11
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 47368 0 0 0 5093 18 0 0 25 0 1 0 246449109 195137536 47346 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 47641 47346 64 8 0 47313 0
Current children cumulated CPU time (s) 51.11
Current children cumulated vsize (KiB) 190564

[startup+102.386 s]
/proc/loadavg: 1.64 0.70 0.70 3/86 6533
/proc/meminfo: memFree=1037704/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=362776 CPUtime=102.33
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 90435 0 0 0 10196 37 0 0 25 0 1 0 246449109 371482624 90413 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 90694 90413 64 8 0 90366 0
Current children cumulated CPU time (s) 102.33
Current children cumulated vsize (KiB) 362776

[startup+162.453 s]
/proc/loadavg: 1.87 0.93 0.78 3/86 6533
/proc/meminfo: memFree=609224/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=562704 CPUtime=162.38
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 140398 0 0 0 16181 57 0 0 25 0 1 0 246449109 576208896 140376 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 140676 140376 64 8 0 140348 0
Current children cumulated CPU time (s) 162.38
Current children cumulated vsize (KiB) 562704

[startup+222.518 s]
/proc/loadavg: 1.95 1.12 0.85 3/86 6533
/proc/meminfo: memFree=192264/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=763400 CPUtime=222.42
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 190575 0 0 0 22165 77 0 0 25 0 1 0 246449109 781721600 190553 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 190850 190553 64 8 0 190522 0
Current children cumulated CPU time (s) 222.42
Current children cumulated vsize (KiB) 763400



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+270.679 s]
/proc/loadavg: 1.79 1.22 0.90 2/78 6548
/proc/meminfo: memFree=873104/2055920 swapFree=4156112/4192956
[pid=6527] ppid=6525 vsize=929848 CPUtime=270.55
/proc/6527/stat : 6527 (VALCSP) R 6525 6527 6141 0 -1 4194304 232188 0 0 0 26960 95 0 0 25 0 1 0 246449109 952164352 232166 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/6527/statm: 232462 232166 64 8 0 232134 0
Current children cumulated CPU time (s) 270.55
Current children cumulated vsize (KiB) 929848

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 270.83
CPU time (s): 270.705
CPU user time (s): 269.607
CPU system time (s): 1.09783
CPU usage (%): 99.9538
Max. virtual memory (cumulated for all children) (KiB): 929848

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 269.607
system time used= 1.09783
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 232188
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= 6
involuntary context switches= 5679

runsolver used 0.236963 s user time and 0.736887 s system time

The end



Launcher Data (download as text)




Begin job on node23 on Tue Jan 16 20:48:58 UTC 2007


IDJOB= 269343
IDBENCH= 6513
IDSOLVER= 90
FILE ID= node23/269343-1168980534

PBS_JOBID= 3566307

Free space on /tmp= 66563 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/taillard/js-taillard-20/js-taillard-20-95-4.xml
COMMAND LINE= /tmp/evaluation/269343-1168980534/VALCSP /tmp/evaluation/269343-1168980534/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node23/watcher-269343-1168980534 -o ROOT/results/node23/solver-269343-1168980534 -C 1800 -M 900  /tmp/evaluation/269343-1168980534/VALCSP /tmp/evaluation/269343-1168980534/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  4c4deeb2afb0e80a3737568b2042a76c

RANDOM SEED= 105628905

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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		: 3000.265
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		: 3000.265
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:       1783944 kB
Buffers:         38252 kB
Cached:         133228 kB
SwapCached:       8040 kB
Active:          54640 kB
Inactive:       148836 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1783944 kB
SwapTotal:     4192956 kB
SwapFree:      4156112 kB
Dirty:            1264 kB
Writeback:           0 kB
Mapped:          47016 kB
Slab:            53504 kB
Committed_AS:  4418940 kB
PageTables:       2124 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= 66564 MiB



End job on node23 on Tue Jan 16 20:53:38 UTC 2007