Trace number 206112

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) 85.356 87.0251

General information on the benchmark

Namefapp/fapp36-40/fapp36/
fapp36-2000-0.xml
MD5SUM90f8a89d2b50939af615074c82c16fcf
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 benchmark8.00678
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/node72/watcher-206112-1168169890 -o ROOT/results/node72/solver-206112-1168169890 -C 1800 -M 900 /tmp/evaluation/206112-1168169890/VALCSP /tmp/evaluation/206112-1168169890/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: 0.91 0.95 0.99 6/82 28125
/proc/meminfo: memFree=1308336/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=140 CPUtime=0
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 38 0 0 0 0 0 0 0 21 0 1 0 165397815 143360 23 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 2535723 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 35 23 18 8 0 2 0

[startup+0.106669 s]
/proc/loadavg: 0.91 0.95 0.99 6/82 28125
/proc/meminfo: memFree=1308336/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=61124 CPUtime=0.09
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 15038 0 0 0 2 7 0 0 21 0 1 0 165397815 62590976 15016 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 2971259 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 15281 15016 62 8 0 14953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 61124

[startup+0.514703 s]
/proc/loadavg: 0.91 0.95 0.99 6/82 28125
/proc/meminfo: memFree=1308336/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=68160 CPUtime=0.46
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 16686 0 0 0 39 7 0 0 24 0 1 0 165397815 69795840 16664 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530223 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 17040 16664 65 8 0 16712 0
Current children cumulated CPU time (s) 0.46
Current children cumulated vsize (KiB) 68160

[startup+1.33577 s]
/proc/loadavg: 0.91 0.95 0.99 3/97 28140
/proc/meminfo: memFree=1219384/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=76080 CPUtime=1.28
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 18666 0 0 0 120 8 0 0 25 0 1 0 165397815 77905920 18644 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 19020 18644 65 8 0 18692 0
Current children cumulated CPU time (s) 1.28
Current children cumulated vsize (KiB) 76080

[startup+2.97293 s]
/proc/loadavg: 0.91 0.95 0.99 5/97 28140
/proc/meminfo: memFree=1145592/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=90732 CPUtime=2.76
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 22327 0 0 0 266 10 0 0 25 0 1 0 165397815 92909568 22305 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134531099 0 0 4096 0 0 0 0 17 1 0 0
/proc/28124/statm: 22683 22305 65 8 0 22355 0
Current children cumulated CPU time (s) 2.76
Current children cumulated vsize (KiB) 90732

[startup+6.26322 s]
/proc/loadavg: 1.08 0.99 1.00 4/97 28140
/proc/meminfo: memFree=952952/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=119376 CPUtime=5.6
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 29475 0 0 0 547 13 0 0 25 0 1 0 165397815 122241024 29453 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530540 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 29844 29453 65 8 0 29516 0
Current children cumulated CPU time (s) 5.6
Current children cumulated vsize (KiB) 119376

[startup+12.7278 s]
/proc/loadavg: 1.07 0.99 1.00 4/97 28194
/proc/meminfo: memFree=941112/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=181548 CPUtime=11.77
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 45022 0 0 0 1157 20 0 0 25 0 1 0 165397815 185905152 45000 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530962 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 45387 45000 65 8 0 45059 0
Current children cumulated CPU time (s) 11.77
Current children cumulated vsize (KiB) 181548

[startup+25.556 s]
/proc/loadavg: 1.41 1.07 1.03 3/97 28194
/proc/meminfo: memFree=730040/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=302196 CPUtime=24.18
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 75186 0 0 0 2386 32 0 0 25 0 1 0 165397815 309448704 75164 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 75549 75164 65 8 0 75221 0
Current children cumulated CPU time (s) 24.18
Current children cumulated vsize (KiB) 302196

[startup+51.1973 s]
/proc/loadavg: 1.68 1.16 1.06 3/97 28194
/proc/meminfo: memFree=402872/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=560784 CPUtime=49.72
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 139828 0 0 0 4913 59 0 0 25 0 1 0 165397815 574242816 139806 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530238 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 140196 139806 65 8 0 139868 0
Current children cumulated CPU time (s) 49.72
Current children cumulated vsize (KiB) 560784



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+86.8826 s]
/proc/loadavg: 1.87 1.27 1.10 3/97 28194
/proc/meminfo: memFree=15032/2055920 swapFree=4191880/4192956
[pid=28124] ppid=28121 vsize=921672 CPUtime=85.22
/proc/28124/stat : 28124 (VALCSP) R 28121 28124 28013 0 -1 4194304 230059 0 0 0 8425 97 0 0 25 0 1 0 165397815 943792128 230037 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/28124/statm: 230418 230037 65 8 0 230090 0
Current children cumulated CPU time (s) 85.22
Current children cumulated vsize (KiB) 921672

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 87.0251
CPU time (s): 85.356
CPU user time (s): 84.2522
CPU system time (s): 1.10383
CPU usage (%): 98.0821
Max. virtual memory (cumulated for all children) (KiB): 921672

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 84.2522
system time used= 1.10383
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230059
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= 1963

runsolver used 0.081987 s user time and 0.238963 s system time

The end



Launcher Data (download as text)




Begin job on node72 on Sun Jan  7 11:38:10 UTC 2007


IDJOB= 206112
IDBENCH= 4186
FILE ID= node72/206112-1168169890

PBS_JOBID= 3479058

Free space on /tmp= 66550 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp36/fapp36-2000-0.xml
COMMAND LINE= /tmp/evaluation/206112-1168169890/VALCSP /tmp/evaluation/206112-1168169890/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node72/watcher-206112-1168169890 -o ROOT/results/node72/solver-206112-1168169890 -C 1800 -M 900  /tmp/evaluation/206112-1168169890/VALCSP /tmp/evaluation/206112-1168169890/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  90f8a89d2b50939af615074c82c16fcf

RANDOM SEED= 37002462

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		: 3000.223
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		: 3000.223
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:       1308816 kB
Buffers:         46492 kB
Cached:         578768 kB
SwapCached:        408 kB
Active:         203876 kB
Inactive:       468936 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1308816 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            7904 kB
Writeback:           0 kB
Mapped:          64740 kB
Slab:            59360 kB
Committed_AS:  2979668 kB
PageTables:       2196 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= 66550 MiB



End job on node72 on Sun Jan  7 11:39:37 UTC 2007