Trace number 269508

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) 108.099 108.92

General information on the benchmark

Nametaillard/
os-taillard-10/os-taillard-10-95-9.xml
MD5SUMd96a1b082adaf530e3e98925ae43a69c
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 benchmark269.004
SatisfiableNO
(Un)Satisfiability was proved
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size574
Number of constraints which are defined in extension0
Number of constraints which are defined in intension900
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/node66/watcher-269508-1168980844 -o ROOT/results/node66/solver-269508-1168980844 -C 1800 -M 900 /tmp/evaluation/269508-1168980844/VALCSP /tmp/evaluation/269508-1168980844/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: 1.72 1.10 0.73 5/73 14488
/proc/meminfo: memFree=1693584/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=2260 CPUtime=0
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 298 0 0 0 0 0 0 0 20 0 1 0 45581611 2314240 276 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 10277505 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 565 276 64 8 0 237 0

[startup+0.106039 s]
/proc/loadavg: 1.72 1.10 0.73 5/73 14488
/proc/meminfo: memFree=1693584/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=3976 CPUtime=0.09
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 731 0 0 0 9 0 0 0 20 0 1 0 45581611 4071424 709 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 994 709 64 8 0 666 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3976

[startup+0.514086 s]
/proc/loadavg: 1.72 1.10 0.73 5/73 14488
/proc/meminfo: memFree=1693584/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=7408 CPUtime=0.49
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 1594 0 0 0 49 0 0 0 24 0 1 0 45581611 7585792 1572 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 1852 1572 64 8 0 1524 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 7408

[startup+1.33519 s]
/proc/loadavg: 1.74 1.11 0.74 3/73 14488
/proc/meminfo: memFree=1682128/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=13876 CPUtime=1.31
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 3226 0 0 0 131 0 0 0 25 0 1 0 45581611 14209024 3204 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529325 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 3469 3204 64 8 0 3141 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 13876

[startup+2.97239 s]
/proc/loadavg: 1.74 1.11 0.74 3/73 14488
/proc/meminfo: memFree=1673104/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=27604 CPUtime=2.94
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 6637 0 0 0 292 2 0 0 25 0 1 0 45581611 28266496 6615 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 6901 6615 64 8 0 6573 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 27604

[startup+6.25178 s]
/proc/loadavg: 1.74 1.11 0.74 3/73 14488
/proc/meminfo: memFree=1645904/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=55324 CPUtime=6.19
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 13571 0 0 0 614 5 0 0 25 0 1 0 45581611 56651776 13549 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528591 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 13831 13549 64 8 0 13503 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 55324

[startup+12.7146 s]
/proc/loadavg: 1.78 1.14 0.75 3/73 14488
/proc/meminfo: memFree=1588816/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=108124 CPUtime=12.6
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 26788 0 0 0 1250 10 0 0 25 0 1 0 45581611 110718976 26766 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 27031 26766 64 8 0 26703 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 108124

[startup+25.5321 s]
/proc/loadavg: 1.81 1.17 0.77 3/73 14488
/proc/meminfo: memFree=1482640/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=218080 CPUtime=25.33
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 54257 0 0 0 2511 22 0 0 25 0 1 0 45581611 223313920 54235 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 54520 54235 64 8 0 54192 0
Current children cumulated CPU time (s) 25.33
Current children cumulated vsize (KiB) 218080

[startup+51.1632 s]
/proc/loadavg: 1.89 1.25 0.80 3/73 14488
/proc/meminfo: memFree=1261200/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=437068 CPUtime=50.76
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 109008 0 0 0 5030 46 0 0 25 0 1 0 45581611 447557632 108986 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 109267 108986 64 8 0 108939 0
Current children cumulated CPU time (s) 50.76
Current children cumulated vsize (KiB) 437068

[startup+102.416 s]
/proc/loadavg: 1.95 1.36 0.86 3/73 14488
/proc/meminfo: memFree=833488/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=866332 CPUtime=101.65
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 216327 0 0 0 10075 90 0 0 25 0 1 0 45581611 887123968 216305 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528694 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 216583 216305 64 8 0 216255 0
Current children cumulated CPU time (s) 101.65
Current children cumulated vsize (KiB) 866332



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+108.77 s]
/proc/loadavg: 1.95 1.37 0.87 3/73 14488
/proc/meminfo: memFree=771024/2055920 swapFree=4192828/4192956
[pid=14487] ppid=14485 vsize=922036 CPUtime=107.95
/proc/14487/stat : 14487 (VALCSP) R 14485 14487 14105 0 -1 4194304 230253 0 0 0 10699 96 0 0 25 0 1 0 45581611 944164864 230231 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/14487/statm: 230509 230231 64 8 0 230181 0
Current children cumulated CPU time (s) 107.95
Current children cumulated vsize (KiB) 922036

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 108.92
CPU time (s): 108.099
CPU user time (s): 106.995
CPU system time (s): 1.10383
CPU usage (%): 99.2459
Max. virtual memory (cumulated for all children) (KiB): 922036

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 106.995
system time used= 1.10383
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230253
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= 2415

runsolver used 0.118981 s user time and 0.279957 s system time

The end



Launcher Data (download as text)




Begin job on node66 on Tue Jan 16 20:54:04 UTC 2007


IDJOB= 269508
IDBENCH= 6765
IDSOLVER= 90
FILE ID= node66/269508-1168980844

PBS_JOBID= 3566361

Free space on /tmp= 66564 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-10/os-taillard-10-95-9.xml
COMMAND LINE= /tmp/evaluation/269508-1168980844/VALCSP /tmp/evaluation/269508-1168980844/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node66/watcher-269508-1168980844 -o ROOT/results/node66/solver-269508-1168980844 -C 1800 -M 900  /tmp/evaluation/269508-1168980844/VALCSP /tmp/evaluation/269508-1168980844/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  d96a1b082adaf530e3e98925ae43a69c

RANDOM SEED= 557739733

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		: 3000.230
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		: 3000.230
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:       1694064 kB
Buffers:         34068 kB
Cached:         213460 kB
SwapCached:        128 kB
Active:          60972 kB
Inactive:       231948 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1694064 kB
SwapTotal:     4192956 kB
SwapFree:      4192828 kB
Dirty:             288 kB
Writeback:           0 kB
Mapped:          56244 kB
Slab:            54412 kB
Committed_AS:   491088 kB
PageTables:       1724 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 node66 on Tue Jan 16 20:55:53 UTC 2007