Trace number 269398

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) 207.635 209.567

General information on the benchmark

Nametaillard/
os-taillard-20/os-taillard-20-95-6.xml
MD5SUM4323238ba4bd95d86b69074f31564b40
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables400
Number of constraints7600
Maximum constraint arity2
Maximum domain size1284
Number of constraints which are defined in extension0
Number of constraints which are defined in intension7600
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/node2/watcher-269398-1168980602 -o ROOT/results/node2/solver-269398-1168980602 -C 1800 -M 900 /tmp/evaluation/269398-1168980602/VALCSP /tmp/evaluation/269398-1168980602/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+0.107678 s]
/proc/loadavg: 0.54 0.71 1.18 5/86 8728
/proc/meminfo: memFree=1402784/2055920 swapFree=4180552/4192956
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0
/proc/loadavg: 0.54 0.71 1.18 5/86 8728
/proc/meminfo: memFree=1402784/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=21244 CPUtime=0.09
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 5013 0 0 0 8 1 0 0 21 0 1 0 246456366 21753856 4991 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528607 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 5311 4991 65 8 0 4983 0

[startup+0.515747 s]
/proc/loadavg: 0.54 0.71 1.18 5/86 8728
/proc/meminfo: memFree=1402784/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=21244 CPUtime=0.49
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 5013 0 0 0 48 1 0 0 24 0 1 0 246456366 21753856 4991 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529359 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 5311 4991 65 8 0 4983 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 21244

[startup+1.3369 s]
/proc/loadavg: 0.54 0.71 1.18 3/86 8728
/proc/meminfo: memFree=1373728/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=21244 CPUtime=1.31
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 5013 0 0 0 130 1 0 0 25 0 1 0 246456366 21753856 4991 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 5311 4991 65 8 0 4983 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 21244

[startup+2.9742 s]
/proc/loadavg: 0.54 0.71 1.18 3/86 8728
/proc/meminfo: memFree=1367904/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=32768 CPUtime=2.93
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 7909 0 0 0 291 2 0 0 25 0 1 0 246456366 33554432 7887 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 8192 7887 65 8 0 7864 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 32768

[startup+6.2548 s]
/proc/loadavg: 0.66 0.73 1.18 3/86 8728
/proc/meminfo: memFree=1339560/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=44856 CPUtime=6.19
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 10921 0 0 0 616 3 0 0 25 0 1 0 246456366 45932544 10899 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 11214 10899 65 8 0 10886 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 44856

[startup+12.712 s]
/proc/loadavg: 0.77 0.75 1.18 3/86 8728
/proc/meminfo: memFree=1289128/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=73928 CPUtime=12.6
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 18172 0 0 0 1253 7 0 0 25 0 1 0 246456366 75702272 18150 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 18482 18150 65 8 0 18154 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 73928

[startup+25.5243 s]
/proc/loadavg: 1.04 0.81 1.20 3/86 8728
/proc/meminfo: memFree=1192296/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=127744 CPUtime=25.3
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 31626 0 0 0 2518 12 0 0 25 0 1 0 246456366 130809856 31604 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 31936 31604 65 8 0 31608 0
Current children cumulated CPU time (s) 25.3
Current children cumulated vsize (KiB) 127744

[startup+51.15 s]
/proc/loadavg: 1.37 0.90 1.22 3/86 8728
/proc/meminfo: memFree=1007656/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=236656 CPUtime=50.72
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 58871 0 0 0 5049 23 0 0 25 0 1 0 246456366 242335744 58849 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529359 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 59164 58849 65 8 0 58836 0
Current children cumulated CPU time (s) 50.72
Current children cumulated vsize (KiB) 236656

[startup+102.399 s]
/proc/loadavg: 1.72 1.07 1.25 3/86 8728
/proc/meminfo: memFree=631656/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=466264 CPUtime=101.55
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 116284 0 0 0 10111 44 0 0 25 0 1 0 246456366 477454336 116262 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 116566 116262 65 8 0 116238 0
Current children cumulated CPU time (s) 101.55
Current children cumulated vsize (KiB) 466264

[startup+162.479 s]
/proc/loadavg: 1.90 1.24 1.30 3/86 8728
/proc/meminfo: memFree=179624/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=718836 CPUtime=161.09
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 179403 0 0 0 16041 68 0 0 25 0 1 0 246456366 736088064 179381 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 179709 179381 65 8 0 179381 0
Current children cumulated CPU time (s) 161.09
Current children cumulated vsize (KiB) 718836



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+209.426 s]
/proc/loadavg: 1.95 1.35 1.33 3/86 8728
/proc/meminfo: memFree=14888/2055920 swapFree=4180552/4192956
[pid=8727] ppid=8725 vsize=926096 CPUtime=207.49
/proc/8727/stat : 8727 (VALCSP) R 8725 8727 8528 0 -1 4194304 231220 0 0 0 20659 90 0 0 25 0 1 0 246456366 948322304 231198 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 0 0 0
/proc/8727/statm: 231524 231198 65 8 0 231196 0
Current children cumulated CPU time (s) 207.49
Current children cumulated vsize (KiB) 926096

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 209.567
CPU time (s): 207.635
CPU user time (s): 206.6
CPU system time (s): 1.03584
CPU usage (%): 99.0784
Max. virtual memory (cumulated for all children) (KiB): 926096

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 206.6
system time used= 1.03584
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 231220
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= 5510

runsolver used 0.213967 s user time and 0.58591 s system time

The end



Launcher Data (download as text)




Begin job on node2 on Tue Jan 16 20:50:04 UTC 2007


IDJOB= 269398
IDBENCH= 6593
IDSOLVER= 90
FILE ID= node2/269398-1168980602

PBS_JOBID= 3566029

Free space on /tmp= 66563 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-20/os-taillard-20-95-6.xml
COMMAND LINE= /tmp/evaluation/269398-1168980602/VALCSP /tmp/evaluation/269398-1168980602/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-269398-1168980602 -o ROOT/results/node2/solver-269398-1168980602 -C 1800 -M 900  /tmp/evaluation/269398-1168980602/VALCSP /tmp/evaluation/269398-1168980602/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  4323238ba4bd95d86b69074f31564b40

RANDOM SEED= 166043345

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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1415232 kB
Buffers:         61252 kB
Cached:         300176 kB
SwapCached:        604 kB
Active:         385936 kB
Inactive:       170424 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1415232 kB
SwapTotal:     4192956 kB
SwapFree:      4180552 kB
Dirty:            1168 kB
Writeback:           0 kB
Mapped:         206968 kB
Slab:            68880 kB
Committed_AS:  6552996 kB
PageTables:       2620 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= 66563 MiB



End job on node2 on Tue Jan 16 20:53:38 UTC 2007