Trace number 233479

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) 168.23 168.662

General information on the benchmark

Nametaillard/os-taillard-15/
os-taillard-15-100-3.xml
MD5SUM0951552dc3a9f6a35af8698628e348b6
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 benchmark0.792878
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables225
Number of constraints3150
Maximum constraint arity2
Maximum domain size946
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3150
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/node18/watcher-233479-1168326486 -o ROOT/results/node18/solver-233479-1168326486 -C 1800 -M 900 /tmp/evaluation/233479-1168326486/VALCSP /tmp/evaluation/233479-1168326486/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: 2.52 2.43 2.27 4/97 29868
/proc/meminfo: memFree=764208/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=1384 CPUtime=0
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 60 0 0 0 0 0 0 0 20 0 1 0 181043316 1417216 45 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 7825354 0 0 4096 0 0 0 0 17 1 0 0
/proc/29867/statm: 346 45 36 8 0 6 0

[startup+0.208418 s]
/proc/loadavg: 2.52 2.43 2.27 4/97 29868
/proc/meminfo: memFree=764208/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=10048 CPUtime=0.2
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 2248 0 0 0 19 1 0 0 21 0 1 0 181043316 10289152 2226 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530264 0 0 4096 0 0 0 0 17 1 0 0
/proc/29867/statm: 2512 2226 64 8 0 2184 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 10048

[startup+0.616466 s]
/proc/loadavg: 2.52 2.43 2.27 4/97 29868
/proc/meminfo: memFree=764208/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=13084 CPUtime=0.6
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 2993 0 0 0 59 1 0 0 25 0 1 0 181043316 13398016 2971 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/29867/statm: 3271 2971 64 8 0 2943 0
Current children cumulated CPU time (s) 0.6
Current children cumulated vsize (KiB) 13084

[startup+1.43754 s]
/proc/loadavg: 2.52 2.43 2.27 5/97 29868
/proc/meminfo: memFree=747568/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=16120 CPUtime=1.29
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 3748 0 0 0 128 1 0 0 25 0 1 0 181043316 16506880 3726 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/29867/statm: 4030 3726 64 8 0 3702 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 16120

[startup+3.07669 s]
/proc/loadavg: 2.52 2.43 2.27 3/97 29868
/proc/meminfo: memFree=738224/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=25360 CPUtime=2.93
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 6088 0 0 0 290 3 0 0 25 0 1 0 181043316 25968640 6066 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530975 0 0 4096 0 0 0 0 17 1 0 0
/proc/29867/statm: 6340 6066 64 8 0 6012 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 25360

[startup+6.36401 s]
/proc/loadavg: 2.56 2.44 2.28 4/97 29868
/proc/meminfo: memFree=724600/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=40936 CPUtime=6.19
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 9979 0 0 0 614 5 0 0 25 0 1 0 181043316 41918464 9957 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/29867/statm: 10234 9957 64 8 0 9906 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 40936

[startup+12.8306 s]
/proc/loadavg: 2.51 2.43 2.28 3/97 29868
/proc/meminfo: memFree=687360/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=73672 CPUtime=12.64
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 18152 0 0 0 1253 11 0 0 25 0 1 0 181043316 75440128 18130 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/29867/statm: 18418 18130 64 8 0 18090 0
Current children cumulated CPU time (s) 12.64
Current children cumulated vsize (KiB) 73672

[startup+25.6519 s]
/proc/loadavg: 2.40 2.41 2.27 3/97 29868
/proc/meminfo: memFree=625408/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=140992 CPUtime=25.4
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 34979 0 0 0 2519 21 0 0 25 0 1 0 181043316 144375808 34957 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134540022 0 0 4096 0 0 0 0 17 1 0 0
/proc/29867/statm: 35248 34957 64 8 0 34920 0
Current children cumulated CPU time (s) 25.4
Current children cumulated vsize (KiB) 140992

[startup+51.2984 s]
/proc/loadavg: 2.26 2.38 2.26 3/87 30564
/proc/meminfo: memFree=1180552/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=272200 CPUtime=50.98
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 67770 0 0 0 5059 39 0 0 25 0 1 0 181043316 278732800 67748 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530198 0 0 4096 0 0 0 0 17 0 0 0
/proc/29867/statm: 68050 67748 64 8 0 67722 0
Current children cumulated CPU time (s) 50.98
Current children cumulated vsize (KiB) 272200

[startup+102.581 s]
/proc/loadavg: 2.15 2.33 2.25 3/87 30664
/proc/meminfo: memFree=943432/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=552568 CPUtime=102.22
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 137873 0 0 0 10151 71 0 0 25 0 1 0 181043316 565829632 137851 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/29867/statm: 138142 137851 64 8 0 137814 0
Current children cumulated CPU time (s) 102.22
Current children cumulated vsize (KiB) 552568

[startup+162.676 s]
/proc/loadavg: 2.05 2.27 2.24 3/87 30664
/proc/meminfo: memFree=601352/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=887848 CPUtime=162.24
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 221685 0 0 0 16120 104 0 0 25 0 1 0 181043316 909156352 221663 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530207 0 0 4096 0 0 0 0 17 0 0 0
/proc/29867/statm: 221962 221663 64 8 0 221634 0
Current children cumulated CPU time (s) 162.24
Current children cumulated vsize (KiB) 887848



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+168.523 s]
/proc/loadavg: 2.05 2.26 2.24 3/87 30664
/proc/meminfo: memFree=566472/2055920 swapFree=4192812/4192956
[pid=29867] ppid=29865 vsize=922564 CPUtime=168.09
/proc/29867/stat : 29867 (VALCSP) R 29865 29867 29812 0 -1 4194304 230373 0 0 0 16702 107 0 0 25 0 1 0 181043316 944705536 230351 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 0 0 0
/proc/29867/statm: 230641 230351 64 8 0 230313 0
Current children cumulated CPU time (s) 168.09
Current children cumulated vsize (KiB) 922564

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 168.662
CPU time (s): 168.23
CPU user time (s): 167.024
CPU system time (s): 1.20682
CPU usage (%): 99.744
Max. virtual memory (cumulated for all children) (KiB): 922564

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 167.024
system time used= 1.20682
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230373
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= 2673

runsolver used 0.172973 s user time and 0.516921 s system time

The end



Launcher Data (download as text)




Begin job on node18 on Tue Jan  9 07:08:06 UTC 2007


IDJOB= 233479
IDBENCH= 6611
FILE ID= node18/233479-1168326486

PBS_JOBID= 3503003

Free space on /tmp= 66550 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-15/os-taillard-15-100-3.xml
COMMAND LINE= /tmp/evaluation/233479-1168326486/VALCSP /tmp/evaluation/233479-1168326486/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-233479-1168326486 -o ROOT/results/node18/solver-233479-1168326486 -C 1800 -M 900  /tmp/evaluation/233479-1168326486/VALCSP /tmp/evaluation/233479-1168326486/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  0951552dc3a9f6a35af8698628e348b6

RANDOM SEED= 428481797

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		: 3000.231
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		: 3000.231
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:        764688 kB
Buffers:         76024 kB
Cached:         359516 kB
SwapCached:          0 kB
Active:         909444 kB
Inactive:       318380 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        764688 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             904 kB
Writeback:           0 kB
Mapped:         821788 kB
Slab:            46900 kB
Committed_AS:  6265552 kB
PageTables:       3556 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= 66551 MiB



End job on node18 on Tue Jan  9 07:10:55 UTC 2007