Trace number 269511

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) 114.087 115.151

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/node5/watcher-269511-1168980848 -o ROOT/results/node5/solver-269511-1168980848 -C 1800 -M 900 /tmp/evaluation/269511-1168980848/VALCSP /tmp/evaluation/269511-1168980848/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: 1.90 1.80 1.71 5/86 9162
/proc/meminfo: memFree=1337904/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=1384 CPUtime=0
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 52 0 0 0 0 0 0 0 20 0 1 0 226699202 1417216 37 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 7895693 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 346 37 30 8 0 6 0

[startup+0.104231 s]
/proc/loadavg: 1.90 1.80 1.71 5/86 9162
/proc/meminfo: memFree=1337904/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=4240 CPUtime=0.09
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 815 0 0 0 9 0 0 0 20 0 1 0 226699202 4341760 793 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 1060 793 64 8 0 732 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4240

[startup+0.51228 s]
/proc/loadavg: 1.90 1.80 1.71 5/86 9162
/proc/meminfo: memFree=1337904/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=8068 CPUtime=0.49
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 1751 0 0 0 49 0 0 0 24 0 1 0 226699202 8261632 1729 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529243 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 2017 1729 64 8 0 1689 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 8068

[startup+1.33337 s]
/proc/loadavg: 1.90 1.80 1.71 3/86 9162
/proc/meminfo: memFree=1327152/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=13480 CPUtime=1.31
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 3108 0 0 0 130 1 0 0 25 0 1 0 226699202 13803520 3086 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 3370 3086 64 8 0 3042 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 13480

[startup+2.97055 s]
/proc/loadavg: 1.90 1.80 1.71 3/86 9162
/proc/meminfo: memFree=1318192/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=27076 CPUtime=2.93
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 6514 0 0 0 290 3 0 0 25 0 1 0 226699202 27725824 6492 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 6769 6492 64 8 0 6441 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 27076

[startup+6.25801 s]
/proc/loadavg: 1.91 1.80 1.71 3/86 9162
/proc/meminfo: memFree=1289392/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=53476 CPUtime=6.19
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 13125 0 0 0 613 6 0 0 25 0 1 0 226699202 54759424 13103 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528604 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 13369 13103 64 8 0 13041 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 53476

[startup+12.7247 s]
/proc/loadavg: 1.92 1.81 1.71 3/86 9162
/proc/meminfo: memFree=1235376/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=106012 CPUtime=12.6
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 26249 0 0 0 1247 13 0 0 25 0 1 0 226699202 108556288 26227 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 26503 26227 64 8 0 26175 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 106012

[startup+25.5411 s]
/proc/loadavg: 1.94 1.81 1.72 3/86 9162
/proc/meminfo: memFree=1131568/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=212800 CPUtime=25.3
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 52946 0 0 0 2503 27 0 0 25 0 1 0 226699202 217907200 52924 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529392 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 53200 52924 64 8 0 52872 0
Current children cumulated CPU time (s) 25.3
Current children cumulated vsize (KiB) 212800

[startup+51.187 s]
/proc/loadavg: 1.96 1.83 1.72 3/86 9162
/proc/meminfo: memFree=928944/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=413044 CPUtime=50.7
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 103016 0 0 0 5020 50 0 0 25 0 1 0 226699202 422957056 102994 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 103261 102994 64 8 0 102933 0
Current children cumulated CPU time (s) 50.7
Current children cumulated vsize (KiB) 413044

[startup+102.48 s]
/proc/loadavg: 2.05 1.87 1.74 3/86 9162
/proc/meminfo: memFree=519280/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=825676 CPUtime=101.53
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 206177 0 0 0 10054 99 0 0 25 0 1 0 226699202 845492224 206155 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 8328827 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 206419 206155 64 8 0 206091 0
Current children cumulated CPU time (s) 101.53
Current children cumulated vsize (KiB) 825676



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+114.997 s]
/proc/loadavg: 2.04 1.87 1.74 3/86 9162
/proc/meminfo: memFree=415152/2055920 swapFree=4192812/4192956
[pid=9161] ppid=9159 vsize=922036 CPUtime=113.93
/proc/9161/stat : 9161 (VALCSP) R 9159 9161 9028 0 -1 4194304 230266 0 0 0 11282 111 0 0 25 0 1 0 226699202 944164864 230244 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/9161/statm: 230509 230244 64 8 0 230181 0
Current children cumulated CPU time (s) 113.93
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): 115.151
CPU time (s): 114.087
CPU user time (s): 112.828
CPU system time (s): 1.25881
CPU usage (%): 99.0761
Max. virtual memory (cumulated for all children) (KiB): 922036

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 112.828
system time used= 1.25881
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= 6
involuntary context switches= 2060

runsolver used 0.132979 s user time and 0.39094 s system time

The end



Launcher Data (download as text)




Begin job on node5 on Tue Jan 16 20:54:08 UTC 2007


IDJOB= 269511
IDBENCH= 6770
IDSOLVER= 90
FILE ID= node5/269511-1168980848

PBS_JOBID= 3566035

Free space on /tmp= 66564 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-10/os-taillard-10-105-3.xml
COMMAND LINE= /tmp/evaluation/269511-1168980848/VALCSP /tmp/evaluation/269511-1168980848/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node5/watcher-269511-1168980848 -o ROOT/results/node5/solver-269511-1168980848 -C 1800 -M 900  /tmp/evaluation/269511-1168980848/VALCSP /tmp/evaluation/269511-1168980848/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  5a2186f5581c086b005f3ac2c7f1a5fc

RANDOM SEED= 245563186

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		: 3000.240
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		: 3000.240
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:       1338320 kB
Buffers:         49328 kB
Cached:         457340 kB
SwapCached:          0 kB
Active:         286732 kB
Inactive:       355808 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1338320 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             216 kB
Writeback:           0 kB
Mapped:         155656 kB
Slab:            59824 kB
Committed_AS:  6345016 kB
PageTables:       2292 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 node5 on Tue Jan 16 20:56:03 UTC 2007