Trace number 235446

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 3.0? (MO) 112.534 113.578

General information on the benchmark

Nametaillard/os-taillard-10/
os-taillard-10-105-3.xml
MD5SUM5a2186f5581c086b005f3ac2c7f1a5fc
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 benchmark0.199968
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size606
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/node72/watcher-235446-1168337844 -o ROOT/results/node72/solver-235446-1168337844 -C 1800 -M 900 /tmp/evaluation/235446-1168337844/VALCSP /tmp/evaluation/235446-1168337844/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


[startup+0.107903 s]
/proc/loadavg: 2.19 1.84 1.37 5/87 31053
/proc/meminfo: memFree=1535512/2055920 swapFree=4191880/4192956
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0
/proc/loadavg: 2.19 1.84 1.37 5/87 31053
/proc/meminfo: memFree=1535512/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=4240 CPUtime=0.09
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 815 0 0 0 9 0 0 0 20 0 1 0 182193219 4341760 793 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 1060 793 64 8 0 732 0

[startup+0.515938 s]
/proc/loadavg: 2.19 1.84 1.37 5/87 31053
/proc/meminfo: memFree=1535512/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=8068 CPUtime=0.49
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 1751 0 0 0 49 0 0 0 24 0 1 0 182193219 8261632 1729 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 2017 1729 64 8 0 1689 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 8068

[startup+1.34201 s]
/proc/loadavg: 2.19 1.84 1.37 3/87 31053
/proc/meminfo: memFree=1525720/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=13480 CPUtime=1.32
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 3108 0 0 0 131 1 0 0 25 0 1 0 182193219 13803520 3086 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530957 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 3370 3086 64 8 0 3042 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 13480

[startup+2.98316 s]
/proc/loadavg: 2.19 1.84 1.37 3/87 31053
/proc/meminfo: memFree=1516760/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=27076 CPUtime=2.94
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 6514 0 0 0 292 2 0 0 25 0 1 0 182193219 27725824 6492 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530234 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 6769 6492 64 8 0 6441 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 27076

[startup+6.26246 s]
/proc/loadavg: 2.18 1.85 1.38 3/87 31053
/proc/meminfo: memFree=1488024/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=53476 CPUtime=6.19
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 13125 0 0 0 614 5 0 0 25 0 1 0 182193219 54759424 13103 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 13369 13103 64 8 0 13041 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 53476

[startup+12.727 s]
/proc/loadavg: 2.16 1.85 1.38 3/87 31053
/proc/meminfo: memFree=1431576/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=108520 CPUtime=12.6
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 26877 0 0 0 1250 10 0 0 25 0 1 0 182193219 111124480 26855 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530350 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 27130 26855 64 8 0 26802 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 108520

[startup+25.5402 s]
/proc/loadavg: 2.33 1.90 1.40 3/87 31053
/proc/meminfo: memFree=1329048/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=215308 CPUtime=25.29
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 53560 0 0 0 2509 20 0 0 25 0 1 0 182193219 220475392 53538 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 53827 53538 64 8 0 53499 0
Current children cumulated CPU time (s) 25.29
Current children cumulated vsize (KiB) 215308

[startup+51.1805 s]
/proc/loadavg: 2.22 1.91 1.42 3/87 31053
/proc/meminfo: memFree=1122520/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=417004 CPUtime=50.7
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 103998 0 0 0 5031 39 0 0 25 0 1 0 182193219 427012096 103976 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 104251 103976 64 8 0 103923 0
Current children cumulated CPU time (s) 50.7
Current children cumulated vsize (KiB) 417004

[startup+102.45 s]
/proc/loadavg: 2.09 1.92 1.45 3/87 31053
/proc/meminfo: memFree=705944/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=835576 CPUtime=101.5
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 208659 0 0 0 10070 80 0 0 25 0 1 0 182193219 855629824 208637 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 208894 208637 64 8 0 208566 0
Current children cumulated CPU time (s) 101.5
Current children cumulated vsize (KiB) 835576



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+113.427 s]
/proc/loadavg: 2.08 1.92 1.45 3/87 31053
/proc/meminfo: memFree=613848/2055920 swapFree=4191880/4192956
[pid=31052] ppid=31050 vsize=922036 CPUtime=112.38
/proc/31052/stat : 31052 (VALCSP) R 31050 31052 30243 0 -1 4194304 230266 0 0 0 11149 89 0 0 25 0 1 0 182193219 944164864 230244 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530894 0 0 4096 0 0 0 0 17 1 0 0
/proc/31052/statm: 230509 230244 64 8 0 230181 0
Current children cumulated CPU time (s) 112.38
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): 113.578
CPU time (s): 112.534
CPU user time (s): 111.496
CPU system time (s): 1.03784
CPU usage (%): 99.0809
Max. virtual memory (cumulated for all children) (KiB): 922036

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 111.496
system time used= 1.03784
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230266
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= 5
involuntary context switches= 4617

runsolver used 0.166974 s user time and 0.347947 s system time

The end



Launcher Data (download as text)




Begin job on node72 on Tue Jan  9 10:17:24 UTC 2007


IDJOB= 235446
IDBENCH= 6770
FILE ID= node72/235446-1168337844

PBS_JOBID= 3503385

Free space on /tmp= 66549 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-10/os-taillard-10-105-3.xml
COMMAND LINE= /tmp/evaluation/235446-1168337844/VALCSP /tmp/evaluation/235446-1168337844/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node72/watcher-235446-1168337844 -o ROOT/results/node72/solver-235446-1168337844 -C 1800 -M 900  /tmp/evaluation/235446-1168337844/VALCSP /tmp/evaluation/235446-1168337844/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  5a2186f5581c086b005f3ac2c7f1a5fc

RANDOM SEED= 348010330

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		: 3000.223
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		: 3000.223
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:       1536952 kB
Buffers:         52512 kB
Cached:         347740 kB
SwapCached:        268 kB
Active:         140988 kB
Inactive:       314348 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1536952 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:             288 kB
Writeback:           0 kB
Mapped:          73604 kB
Slab:            48472 kB
Committed_AS:  3619224 kB
PageTables:       2276 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= 66549 MiB



End job on node72 on Tue Jan  9 10:19:18 UTC 2007