Trace number 269526

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) 173.568 174.37

General information on the benchmark

Nameos-gp/
gp10-07-1079.xml
MD5SUMdec77aa15d4293ea0fa019d6e71a02d6
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 benchmark0.532918
SatisfiableYES
(Un)Satisfiability was proved
Number of variables101
Number of constraints1000
Maximum constraint arity2
Maximum domain size1080
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1000
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/node76/watcher-269526-1168980943 -o ROOT/results/node76/solver-269526-1168980943 -C 1800 -M 900 /tmp/evaluation/269526-1168980943/VALCSP /tmp/evaluation/269526-1168980943/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: 1.87 1.40 0.92 5/78 18880
/proc/meminfo: memFree=1850200/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=3716 CPUtime=0
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 669 0 0 0 0 0 0 0 18 0 1 0 246491441 3805184 647 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 5253163 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 929 647 64 8 0 600 0

[startup+0.106973 s]
/proc/loadavg: 1.87 1.40 0.92 5/78 18880
/proc/meminfo: memFree=1850200/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=8732 CPUtime=0.09
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 1934 0 0 0 9 0 0 0 18 0 1 0 246491441 8941568 1912 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 2183 1912 64 8 0 1854 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8732

[startup+0.515052 s]
/proc/loadavg: 1.87 1.40 0.92 5/78 18880
/proc/meminfo: memFree=1850200/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=8732 CPUtime=0.5
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 1934 0 0 0 50 0 0 0 22 0 1 0 246491441 8941568 1912 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 2183 1912 64 8 0 1854 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 8732

[startup+1.33621 s]
/proc/loadavg: 1.87 1.40 0.92 3/78 18880
/proc/meminfo: memFree=1833432/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=13352 CPUtime=1.32
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 3077 0 0 0 131 1 0 0 25 0 1 0 246491441 13672448 3055 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529232 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 3338 3055 64 8 0 3009 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 13352

[startup+2.97353 s]
/proc/loadavg: 1.88 1.41 0.92 3/78 18880
/proc/meminfo: memFree=1824216/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=22460 CPUtime=2.95
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 5361 0 0 0 294 1 0 0 25 0 1 0 246491441 22999040 5339 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 5615 5339 64 8 0 5286 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 22460

[startup+6.25418 s]
/proc/loadavg: 1.88 1.41 0.92 3/78 18880
/proc/meminfo: memFree=1787032/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=40692 CPUtime=6.22
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 9931 0 0 0 619 3 0 0 25 0 1 0 246491441 41668608 9909 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 10173 9909 64 8 0 9844 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 40692

[startup+12.7125 s]
/proc/loadavg: 1.90 1.43 0.93 3/78 18880
/proc/meminfo: memFree=1712920/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=72784 CPUtime=12.65
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 17928 0 0 0 1258 7 0 0 25 0 1 0 246491441 74530816 17906 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 18196 17906 64 8 0 17867 0
Current children cumulated CPU time (s) 12.65
Current children cumulated vsize (KiB) 72784

[startup+25.5229 s]
/proc/loadavg: 1.92 1.45 0.94 3/78 18880
/proc/meminfo: memFree=1592344/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=136704 CPUtime=25.39
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 33922 0 0 0 2525 14 0 0 25 0 1 0 246491441 139984896 33900 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 34176 33900 64 8 0 33847 0
Current children cumulated CPU time (s) 25.39
Current children cumulated vsize (KiB) 136704

[startup+51.142 s]
/proc/loadavg: 1.94 1.49 0.97 3/78 18880
/proc/meminfo: memFree=1295640/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=287572 CPUtime=50.9
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 71621 0 0 0 5060 30 0 0 25 0 1 0 246491441 294473728 71599 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 71893 71599 64 8 0 71564 0
Current children cumulated CPU time (s) 50.9
Current children cumulated vsize (KiB) 287572

[startup+102.382 s]
/proc/loadavg: 1.97 1.57 1.02 3/78 18880
/proc/meminfo: memFree=762328/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=552544 CPUtime=101.91
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 137880 0 0 0 10136 55 0 0 25 0 1 0 246491441 565805056 137858 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 138136 137858 64 8 0 137807 0
Current children cumulated CPU time (s) 101.91
Current children cumulated vsize (KiB) 552544

[startup+162.444 s]
/proc/loadavg: 1.99 1.65 1.08 3/78 18880
/proc/meminfo: memFree=140888/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=863316 CPUtime=161.68
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 215565 0 0 0 16083 85 0 0 25 0 1 0 246491441 884035584 215543 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 215829 215543 64 8 0 215500 0
Current children cumulated CPU time (s) 161.68
Current children cumulated vsize (KiB) 863316



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+174.226 s]
/proc/loadavg: 1.99 1.66 1.09 3/78 18880
/proc/meminfo: memFree=24920/2055888 swapFree=4095388/4096564
[pid=18879] ppid=18877 vsize=922680 CPUtime=173.42
/proc/18879/stat : 18879 (VALCSP) R 18877 18879 18533 0 -1 4194304 230416 0 0 0 17251 91 0 0 25 0 1 0 246491441 944824320 230394 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/18879/statm: 230670 230394 64 8 0 230341 0
Current children cumulated CPU time (s) 173.42
Current children cumulated vsize (KiB) 922680

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 174.37
CPU time (s): 173.568
CPU user time (s): 172.521
CPU system time (s): 1.04684
CPU usage (%): 99.5399
Max. virtual memory (cumulated for all children) (KiB): 922680

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 172.521
system time used= 1.04684
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230416
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= 2153

runsolver used 0.172973 s user time and 0.45893 s system time

The end



Launcher Data (download as text)




Begin job on node76 on Tue Jan 16 20:55:43 UTC 2007


IDJOB= 269526
IDBENCH= 6915
IDSOLVER= 90
FILE ID= node76/269526-1168980943

PBS_JOBID= 3566369

Free space on /tmp= 66652 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/os-gp/gp10-07-1079.xml
COMMAND LINE= /tmp/evaluation/269526-1168980943/VALCSP /tmp/evaluation/269526-1168980943/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node76/watcher-269526-1168980943 -o ROOT/results/node76/solver-269526-1168980943 -C 1800 -M 900  /tmp/evaluation/269526-1168980943/VALCSP /tmp/evaluation/269526-1168980943/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  dec77aa15d4293ea0fa019d6e71a02d6

RANDOM SEED= 716940487

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		: 3000.254
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	: 6006.17
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		: 3000.254
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	: 5999.42
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055888 kB
MemFree:       1850488 kB
Buffers:         14304 kB
Cached:          92384 kB
SwapCached:        276 kB
Active:          39272 kB
Inactive:       100084 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055888 kB
LowFree:       1850488 kB
SwapTotal:     4096564 kB
SwapFree:      4095388 kB
Dirty:             392 kB
Writeback:           0 kB
Mapped:          42616 kB
Slab:            51748 kB
Committed_AS:  7629988 kB
PageTables:       1756 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66652 MiB



End job on node76 on Tue Jan 16 20:58:38 UTC 2007