Trace number 200937

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) 95.2825 95.7405

General information on the benchmark

Namefapp/fapp11-15/fapp14/
fapp14-2500-3.xml
MD5SUM4617dd65e04376af0f17b07f3d79e34a
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 benchmark15.1547
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables2500
Number of constraints40767
Maximum constraint arity2
Maximum domain size362
Number of constraints which are defined in extension0
Number of constraints which are defined in intension40767
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-200937-1168144393 -o ROOT/results/node5/solver-200937-1168144393 -C 1800 -M 900 /tmp/evaluation/200937-1168144393/VALCSP /tmp/evaluation/200937-1168144393/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: 1.97 1.98 1.99 5/87 888
/proc/meminfo: memFree=1577376/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=2288 CPUtime=0
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 291 0 0 0 0 0 0 0 20 0 1 0 143053790 2342912 269 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 8328827 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 572 269 62 8 0 244 0

[startup+0.107434 s]
/proc/loadavg: 1.97 1.98 1.99 5/87 888
/proc/meminfo: memFree=1577376/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=73460 CPUtime=0.09
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 17562 0 0 0 2 7 0 0 20 0 1 0 143053790 75223040 17540 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 8328827 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 18365 17540 62 8 0 18037 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 73460

[startup+0.515467 s]
/proc/loadavg: 1.97 1.98 1.99 5/87 888
/proc/meminfo: memFree=1577376/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=94876 CPUtime=0.5
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 22690 0 0 0 41 9 0 0 23 0 1 0 143053790 97153024 22668 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134531106 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 23719 22668 65 8 0 23391 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 94876

[startup+1.33656 s]
/proc/loadavg: 1.97 1.98 1.99 3/87 888
/proc/meminfo: memFree=1481184/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=102136 CPUtime=1.32
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 24515 0 0 0 122 10 0 0 25 0 1 0 143053790 104587264 24493 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 25534 24493 65 8 0 25206 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 102136

[startup+2.97575 s]
/proc/loadavg: 1.97 1.98 1.99 3/87 888
/proc/meminfo: memFree=1471264/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=116128 CPUtime=2.95
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 28014 0 0 0 283 12 0 0 25 0 1 0 143053790 118915072 27992 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530948 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 29032 27992 65 8 0 28704 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 116128

[startup+6.26212 s]
/proc/loadavg: 1.97 1.98 1.99 3/87 888
/proc/meminfo: memFree=1442592/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=143848 CPUtime=6.22
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 34942 0 0 0 607 15 0 0 25 0 1 0 143053790 147300352 34920 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 35962 34920 65 8 0 35634 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 143848

[startup+12.7279 s]
/proc/loadavg: 1.97 1.98 1.99 3/87 888
/proc/meminfo: memFree=1383584/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=200344 CPUtime=12.65
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 49050 0 0 0 1246 19 0 0 25 0 1 0 143053790 205152256 49028 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530948 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 50086 49028 65 8 0 49758 0
Current children cumulated CPU time (s) 12.65
Current children cumulated vsize (KiB) 200344

[startup+25.5423 s]
/proc/loadavg: 1.98 1.98 1.99 3/87 888
/proc/meminfo: memFree=1276128/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=311884 CPUtime=25.41
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 76944 0 0 0 2510 31 0 0 25 0 1 0 143053790 319369216 76922 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 77971 76922 65 8 0 77643 0
Current children cumulated CPU time (s) 25.41
Current children cumulated vsize (KiB) 311884

[startup+51.1862 s]
/proc/loadavg: 1.98 1.98 1.99 3/87 888
/proc/meminfo: memFree=1046176/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=538264 CPUtime=50.93
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 133530 0 0 0 5038 55 0 0 25 0 1 0 143053790 551182336 133508 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 134566 133508 65 8 0 134238 0
Current children cumulated CPU time (s) 50.93
Current children cumulated vsize (KiB) 538264



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+95.5953 s]
/proc/loadavg: 1.99 1.98 1.99 3/87 888
/proc/meminfo: memFree=657504/2055920 swapFree=4192812/4192956
[pid=887] ppid=885 vsize=922252 CPUtime=95.14
/proc/887/stat : 887 (VALCSP) R 885 887 29049 0 -1 4194304 229561 0 0 0 9420 94 0 0 25 0 1 0 143053790 944386048 229539 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530259 0 0 4096 0 0 0 0 17 1 0 0
/proc/887/statm: 230563 229539 65 8 0 230235 0
Current children cumulated CPU time (s) 95.14
Current children cumulated vsize (KiB) 922252

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 95.7405
CPU time (s): 95.2825
CPU user time (s): 94.2017
CPU system time (s): 1.08083
CPU usage (%): 99.5217
Max. virtual memory (cumulated for all children) (KiB): 922252

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 94.2017
system time used= 1.08083
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 229561
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= 1091

runsolver used 0.135979 s user time and 0.297954 s system time

The end



Launcher Data (download as text)




Begin job on node5 on Sun Jan  7 04:33:13 UTC 2007


IDJOB= 200937
IDBENCH= 3735
FILE ID= node5/200937-1168144393

PBS_JOBID= 3477814

Free space on /tmp= 66337 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp11-15/fapp14/fapp14-2500-3.xml
COMMAND LINE= /tmp/evaluation/200937-1168144393/VALCSP /tmp/evaluation/200937-1168144393/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node5/watcher-200937-1168144393 -o ROOT/results/node5/solver-200937-1168144393 -C 1800 -M 900  /tmp/evaluation/200937-1168144393/VALCSP /tmp/evaluation/200937-1168144393/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  4617dd65e04376af0f17b07f3d79e34a

RANDOM SEED= 745917097

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:       1577856 kB
Buffers:         53264 kB
Cached:         183036 kB
SwapCached:          0 kB
Active:         306288 kB
Inactive:       110232 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1577856 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            5852 kB
Writeback:           0 kB
Mapped:         200464 kB
Slab:            46200 kB
Committed_AS:  3679092 kB
PageTables:       2480 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= 66337 MiB



End job on node5 on Sun Jan  7 04:34:49 UTC 2007