Trace number 268486

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) 95.1265 95.5437

General information on the benchmark

Namefapp/fapp36-40/fapp36/
fapp36-2000-3.xml
MD5SUMd481a9361d80c6f0d8e85c5a29d689ed
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark8.13076
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables2000
Number of constraints18600
Maximum constraint arity2
Maximum domain size454
Number of constraints which are defined in extension0
Number of constraints which are defined in intension18600
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/node25/watcher-268486-1168979227 -o ROOT/results/node25/solver-268486-1168979227 -C 1800 -M 900 /tmp/evaluation/268486-1168979227/VALCSP /tmp/evaluation/268486-1168979227/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: 1.77 1.68 1.22 5/86 7663
/proc/meminfo: memFree=1651488/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=2540 CPUtime=0
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 363 0 0 0 0 0 0 0 20 0 1 0 246315162 2600960 341 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 4200059 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 635 341 64 8 0 307 0

[startup+0.107457 s]
/proc/loadavg: 1.77 1.68 1.22 5/86 7663
/proc/meminfo: memFree=1651488/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=63500 CPUtime=0.1
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 15627 0 0 0 3 7 0 0 20 0 1 0 246315162 65024000 15605 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 4208074 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 15875 15605 64 8 0 15547 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 63500

[startup+0.515516 s]
/proc/loadavg: 1.77 1.68 1.22 5/86 7663
/proc/meminfo: memFree=1651488/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=68160 CPUtime=0.5
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 16686 0 0 0 43 7 0 0 24 0 1 0 246315162 69795840 16664 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 17040 16664 65 8 0 16712 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 68160

[startup+1.33766 s]
/proc/loadavg: 1.77 1.68 1.22 3/86 7663
/proc/meminfo: memFree=1569056/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=75288 CPUtime=1.32
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 18464 0 0 0 124 8 0 0 25 0 1 0 246315162 77094912 18442 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529341 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 18822 18442 65 8 0 18494 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 75288

[startup+2.98194 s]
/proc/loadavg: 1.79 1.69 1.23 3/86 7663
/proc/meminfo: memFree=1546784/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=89940 CPUtime=2.95
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 22124 0 0 0 286 9 0 0 25 0 1 0 246315162 92098560 22102 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528683 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 22485 22102 65 8 0 22157 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 89940

[startup+6.26149 s]
/proc/loadavg: 1.79 1.69 1.23 3/86 7663
/proc/meminfo: memFree=1487456/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=119376 CPUtime=6.22
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 29475 0 0 0 609 13 0 0 25 0 1 0 246315162 122241024 29453 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 29844 29453 65 8 0 29516 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 119376

[startup+12.7296 s]
/proc/loadavg: 1.82 1.70 1.24 4/86 7663
/proc/meminfo: memFree=1360744/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=178380 CPUtime=12.65
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 44251 0 0 0 1247 18 0 0 25 0 1 0 246315162 182661120 44229 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528577 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 44595 44229 65 8 0 44267 0
Current children cumulated CPU time (s) 12.65
Current children cumulated vsize (KiB) 178380

[startup+25.5458 s]
/proc/loadavg: 1.85 1.71 1.24 3/86 7663
/proc/meminfo: memFree=1136232/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=290712 CPUtime=25.41
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 72315 0 0 0 2513 28 0 0 25 0 1 0 246315162 297689088 72293 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529299 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 72678 72293 65 8 0 72350 0
Current children cumulated CPU time (s) 25.41
Current children cumulated vsize (KiB) 290712

[startup+51.1941 s]
/proc/loadavg: 1.90 1.73 1.26 3/86 7663
/proc/meminfo: memFree=659944/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=521448 CPUtime=50.93
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 130014 0 0 0 5042 51 0 0 25 0 1 0 246315162 533962752 129992 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/7662/statm: 130362 129992 65 8 0 130034 0
Current children cumulated CPU time (s) 50.93
Current children cumulated vsize (KiB) 521448



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+95.4046 s]
/proc/loadavg: 1.95 1.76 1.29 3/86 7702
/proc/meminfo: memFree=752544/2055920 swapFree=4170268/4192956
[pid=7662] ppid=7660 vsize=922464 CPUtime=94.98
/proc/7662/stat : 7662 (VALCSP) R 7660 7662 7470 0 -1 4194304 230262 0 0 0 9405 93 0 0 25 0 1 0 246315162 944603136 230240 18446744073709551615 134512640 134547260 4294956736 18446744073709551615 134528691 0 0 4096 0 0 0 0 17 0 0 0
/proc/7662/statm: 230616 230240 65 8 0 230288 0
Current children cumulated CPU time (s) 94.98
Current children cumulated vsize (KiB) 922464

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 95.5437
CPU time (s): 95.1265
CPU user time (s): 94.0547
CPU system time (s): 1.07184
CPU usage (%): 99.5634
Max. virtual memory (cumulated for all children) (KiB): 922464

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 94.0547
system time used= 1.07184
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230262
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= 2693

runsolver used 0.117982 s user time and 0.316951 s system time

The end



Launcher Data (download as text)




Begin job on node25 on Tue Jan 16 20:27:08 UTC 2007


IDJOB= 268486
IDBENCH= 4189
IDSOLVER= 90
FILE ID= node25/268486-1168979227

PBS_JOBID= 3566224

Free space on /tmp= 66559 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp36/fapp36-2000-3.xml
COMMAND LINE= /tmp/evaluation/268486-1168979227/VALCSP /tmp/evaluation/268486-1168979227/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node25/watcher-268486-1168979227 -o ROOT/results/node25/solver-268486-1168979227 -C 1800 -M 900  /tmp/evaluation/268486-1168979227/VALCSP /tmp/evaluation/268486-1168979227/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  d481a9361d80c6f0d8e85c5a29d689ed

RANDOM SEED= 168225361

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		: 3000.279
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		: 3000.279
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:       1652416 kB
Buffers:          8524 kB
Cached:         147812 kB
SwapCached:       2920 kB
Active:         192692 kB
Inactive:       139752 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1652416 kB
SwapTotal:     4192956 kB
SwapFree:      4170268 kB
Dirty:            5492 kB
Writeback:           0 kB
Mapped:         186280 kB
Slab:            55692 kB
Committed_AS:  4810784 kB
PageTables:       2544 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= 66561 MiB



End job on node25 on Tue Jan 16 20:28:43 UTC 2007