Trace number 204510

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) 75.2406 75.5148

General information on the benchmark

Namefapp/fapp16-20/fapp20/
fapp20-0420-10.xml
MD5SUM23af406adec6a7428a9ed7711c676bb5
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 benchmark2.05869
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables420
Number of constraints4737
Maximum constraint arity2
Maximum domain size302
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4737
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/node19/watcher-204510-1168166000 -o ROOT/results/node19/solver-204510-1168166000 -C 1800 -M 900 /tmp/evaluation/204510-1168166000/VALCSP /tmp/evaluation/204510-1168166000/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: 2.26 2.10 2.02 5/97 19778
/proc/meminfo: memFree=1077768/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=3052 CPUtime=0
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 503 0 0 0 0 0 0 0 20 0 1 0 164994629 3125248 481 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134534824 0 0 4096 0 0 0 0 17 1 0 0
/proc/19777/statm: 763 481 62 8 0 435 0

[startup+0.107439 s]
/proc/loadavg: 2.26 2.10 2.02 5/97 19778
/proc/meminfo: memFree=1077768/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=6700 CPUtime=0.09
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 1390 0 0 0 9 0 0 0 20 0 1 0 164994629 6860800 1368 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/19777/statm: 1675 1368 64 8 0 1347 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6700

[startup+0.516513 s]
/proc/loadavg: 2.26 2.10 2.02 5/97 19778
/proc/meminfo: memFree=1077768/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=11056 CPUtime=0.5
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 2477 0 0 0 50 0 0 0 24 0 1 0 164994629 11321344 2455 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/19777/statm: 2764 2455 64 8 0 2436 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 11056

[startup+1.34167 s]
/proc/loadavg: 2.26 2.10 2.02 3/97 19778
/proc/meminfo: memFree=1059976/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=21220 CPUtime=1.31
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 5040 0 0 0 130 1 0 0 25 0 1 0 164994629 21729280 5018 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530198 0 0 4096 0 0 0 0 17 1 0 0
/proc/19777/statm: 5305 5018 64 8 0 4977 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 21220

[startup+2.97898 s]
/proc/loadavg: 2.26 2.10 2.02 3/97 19778
/proc/meminfo: memFree=1047176/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=39964 CPUtime=2.95
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 9721 0 0 0 291 4 0 0 25 0 1 0 164994629 40923136 9699 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/19777/statm: 9991 9699 64 8 0 9663 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 39964

[startup+6.2616 s]
/proc/loadavg: 2.24 2.10 2.02 3/97 19778
/proc/meminfo: memFree=1008136/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=77452 CPUtime=6.2
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 19084 0 0 0 612 8 0 0 25 0 1 0 164994629 79310848 19062 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530997 0 0 4096 0 0 0 0 17 1 0 0
/proc/19777/statm: 19363 19062 64 8 0 19035 0
Current children cumulated CPU time (s) 6.2
Current children cumulated vsize (KiB) 77452

[startup+12.7248 s]
/proc/loadavg: 2.22 2.10 2.02 3/97 19778
/proc/meminfo: memFree=926984/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=152824 CPUtime=12.6
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 37942 0 0 0 1244 16 0 0 25 0 1 0 164994629 156491776 37920 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/19777/statm: 38206 37920 64 8 0 37878 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 152824

[startup+25.5393 s]
/proc/loadavg: 2.17 2.09 2.02 2/81 19788
/proc/meminfo: memFree=1155392/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=300004 CPUtime=25.31
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 74735 0 0 0 2499 32 0 0 25 0 1 0 164994629 307204096 74713 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 0 0 0
/proc/19777/statm: 75001 74713 64 8 0 74673 0
Current children cumulated CPU time (s) 25.31
Current children cumulated vsize (KiB) 300004

[startup+51.1741 s]
/proc/loadavg: 2.19 2.10 2.02 3/86 20006
/proc/meminfo: memFree=819672/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=618928 CPUtime=50.9
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 154483 0 0 0 5025 65 0 0 25 0 1 0 164994629 633782272 154461 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530793 0 0 4096 0 0 0 0 17 0 0 0
/proc/19777/statm: 154732 154461 64 8 0 154404 0
Current children cumulated CPU time (s) 50.9
Current children cumulated vsize (KiB) 618928



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+75.3726 s]
/proc/loadavg: 2.19 2.11 2.02 3/86 20006
/proc/meminfo: memFree=510872/2055920 swapFree=4171244/4192956
[pid=19777] ppid=19775 vsize=922424 CPUtime=75.09
/proc/19777/stat : 19777 (VALCSP) R 19775 19777 19496 0 -1 4194304 230363 0 0 0 7416 93 0 0 25 0 1 0 164994629 944562176 230341 18446744073709551615 134512640 134548440 4294956736 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 0 0 0
/proc/19777/statm: 230606 230341 64 8 0 230278 0
Current children cumulated CPU time (s) 75.09
Current children cumulated vsize (KiB) 922424

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 75.5148
CPU time (s): 75.2406
CPU user time (s): 74.1677
CPU system time (s): 1.07284
CPU usage (%): 99.6369
Max. virtual memory (cumulated for all children) (KiB): 922424

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 74.1677
system time used= 1.07284
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230363
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= 1921

runsolver used 0.085986 s user time and 0.203968 s system time

The end



Launcher Data (download as text)




Begin job on node19 on Sun Jan  7 10:33:20 UTC 2007


IDJOB= 204510
IDBENCH= 4026
FILE ID= node19/204510-1168166000

PBS_JOBID= 3478664

Free space on /tmp= 66317 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp16-20/fapp20/fapp20-0420-10.xml
COMMAND LINE= /tmp/evaluation/204510-1168166000/VALCSP /tmp/evaluation/204510-1168166000/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node19/watcher-204510-1168166000 -o ROOT/results/node19/solver-204510-1168166000 -C 1800 -M 900  /tmp/evaluation/204510-1168166000/VALCSP /tmp/evaluation/204510-1168166000/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  23af406adec6a7428a9ed7711c676bb5

RANDOM SEED= 303320524

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		: 3000.260
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		: 3000.260
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:       1078248 kB
Buffers:         75996 kB
Cached:         431284 kB
SwapCached:      10472 kB
Active:         545056 kB
Inactive:       364932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1078248 kB
SwapTotal:     4192956 kB
SwapFree:      4171244 kB
Dirty:            1172 kB
Writeback:           0 kB
Mapped:         422000 kB
Slab:            51632 kB
Committed_AS:  4780908 kB
PageTables:       3148 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= 66316 MiB



End job on node19 on Sun Jan  7 10:34:36 UTC 2007