Trace number 204158

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) 8.5657 8.65354

General information on the benchmark

Namedomino/
domino-1000-1000.xml
MD5SUM96861b95f17b67d8ffe8959ec5be8494
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 benchmark0.06199
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables1000
Number of constraints1000
Maximum constraint arity2
Maximum domain size1000
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/node48/watcher-204158-1168165355 -o ROOT/results/node48/solver-204158-1168165355 -C 1800 -M 900 /tmp/evaluation/204158-1168165355/VALCSP /tmp/evaluation/204158-1168165355/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: 0.49 0.97 1.45 5/81 28274
/proc/meminfo: memFree=1617584/2055920 swapFree=4192812/4192956
[pid=28273] ppid=28271 vsize=18540 CPUtime=0
/proc/28273/stat : 28273 (runsolver) R 28271 28273 28024 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 164934992 18984960 279 18446744073709551615 4194304 4267372 548682069088 18446744073709551615 255539604775 0 0 4096 24578 0 0 0 17 1 0 0
/proc/28273/statm: 4635 279 244 17 0 2626 0

[startup+0.10712 s]
/proc/loadavg: 0.49 0.97 1.45 5/81 28274
/proc/meminfo: memFree=1617584/2055920 swapFree=4192812/4192956
[pid=28273] ppid=28271 vsize=37108 CPUtime=0.09
/proc/28273/stat : 28273 (VALCSP) R 28271 28273 28024 0 -1 4194304 9028 0 0 0 5 4 0 0 18 0 1 0 164934992 37998592 9006 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 3966587 0 0 4096 0 0 0 0 17 0 0 0
/proc/28273/statm: 9277 9006 64 8 0 8949 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 37108

[startup+0.51516 s]
/proc/loadavg: 0.49 0.97 1.45 5/81 28274
/proc/meminfo: memFree=1617584/2055920 swapFree=4192812/4192956
[pid=28273] ppid=28271 vsize=80008 CPUtime=0.5
/proc/28273/stat : 28273 (VALCSP) R 28271 28273 28024 0 -1 4194304 19755 0 0 0 39 11 0 0 22 0 1 0 164934992 81928192 19733 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530192 0 0 4096 0 0 0 0 17 0 0 0
/proc/28273/statm: 20002 19733 64 8 0 19674 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 80008

[startup+1.33623 s]
/proc/loadavg: 0.49 0.97 1.45 4/81 28274
/proc/meminfo: memFree=1398832/2055920 swapFree=4192812/4192956
[pid=28273] ppid=28271 vsize=162376 CPUtime=1.31
/proc/28273/stat : 28273 (VALCSP) R 28271 28273 28024 0 -1 4194304 40327 0 0 0 110 21 0 0 25 0 1 0 164934992 166273024 40305 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530370 0 0 4096 0 0 0 0 17 0 0 0
/proc/28273/statm: 40594 40305 64 8 0 40266 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 162376

[startup+2.97338 s]
/proc/loadavg: 0.49 0.97 1.45 4/81 28274
/proc/meminfo: memFree=1195376/2055920 swapFree=4192812/4192956
[pid=28273] ppid=28271 vsize=334768 CPUtime=2.95
/proc/28273/stat : 28273 (VALCSP) R 28271 28273 28024 0 -1 4194304 83432 0 0 0 256 39 0 0 25 0 1 0 164934992 342802432 83410 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530198 0 0 4096 0 0 0 0 17 0 0 0
/proc/28273/statm: 83692 83410 64 8 0 83364 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 334768

[startup+6.25968 s]
/proc/loadavg: 0.69 1.00 1.46 3/81 28274
/proc/meminfo: memFree=834160/2055920 swapFree=4192812/4192956
[pid=28273] ppid=28271 vsize=687472 CPUtime=6.21
/proc/28273/stat : 28273 (VALCSP) R 28271 28273 28024 0 -1 4194304 171603 0 0 0 548 73 0 0 25 0 1 0 164934992 703971328 171581 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530267 0 0 4096 0 0 0 0 17 0 0 0
/proc/28273/statm: 171868 171581 64 8 0 171540 0
Current children cumulated CPU time (s) 6.21
Current children cumulated vsize (KiB) 687472



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+8.51688 s]
/proc/loadavg: 0.80 1.02 1.46 3/81 28274
/proc/meminfo: memFree=527920/2055920 swapFree=4192812/4192956
[pid=28273] ppid=28271 vsize=926524 CPUtime=8.42
/proc/28273/stat : 28273 (VALCSP) R 28271 28273 28024 0 -1 4194304 231362 0 0 0 745 97 0 0 25 0 1 0 164934992 948760576 231340 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134531029 0 0 4096 0 0 0 0 17 0 0 0
/proc/28273/statm: 231631 231340 64 8 0 231303 0
Current children cumulated CPU time (s) 8.42
Current children cumulated vsize (KiB) 926524

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 8.65354
CPU time (s): 8.5657
CPU user time (s): 7.45887
CPU system time (s): 1.10683
CPU usage (%): 98.9848
Max. virtual memory (cumulated for all children) (KiB): 926524

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.45887
system time used= 1.10683
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 231362
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= 160

runsolver used 0.014997 s user time and 0.025996 s system time

The end



Launcher Data (download as text)




Begin job on node48 on Sun Jan  7 10:22:40 UTC 2007


IDJOB= 204158
IDBENCH= 4004
FILE ID= node48/204158-1168165355

PBS_JOBID= 3478639

Free space on /tmp= 66564 MiB

BENCH NAME= HOME/pub/bench/CPAI06/domino/domino-1000-1000.xml
COMMAND LINE= /tmp/evaluation/204158-1168165355/VALCSP /tmp/evaluation/204158-1168165355/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node48/watcher-204158-1168165355 -o ROOT/results/node48/solver-204158-1168165355 -C 1800 -M 900  /tmp/evaluation/204158-1168165355/VALCSP /tmp/evaluation/204158-1168165355/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  96861b95f17b67d8ffe8959ec5be8494

RANDOM SEED= 387236672

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		: 3000.218
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		: 3000.218
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:       1819016 kB
Buffers:         42840 kB
Cached:         114920 kB
SwapCached:          0 kB
Active:          96468 kB
Inactive:        83280 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1819016 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             692 kB
Writeback:           0 kB
Mapped:          36616 kB
Slab:            42548 kB
Committed_AS:  3550452 kB
PageTables:       1764 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 node48 on Sun Jan  7 10:22:52 UTC 2007