Trace number 235517

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) 107.398 108.373

General information on the benchmark

Nametaillard/
os-taillard-10/os-taillard-10-95-6.xml
MD5SUM376c4d5b9e80417bbb3a28982bb1287e
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 benchmark24.3523
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size585
Number of constraints which are defined in extension0
Number of constraints which are defined in intension900
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/node4/watcher-235517-1168338182 -o ROOT/results/node4/solver-235517-1168338182 -C 1800 -M 900 /tmp/evaluation/235517-1168338182/VALCSP /tmp/evaluation/235517-1168338182/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: 2.20 2.14 2.05 5/86 31580
/proc/meminfo: memFree=1655992/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=2788 CPUtime=0
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 436 0 0 0 0 0 0 0 20 0 1 0 182213768 2854912 414 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134534240 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 697 414 62 8 0 369 0

[startup+0.106831 s]
/proc/loadavg: 2.20 2.14 2.05 5/86 31580
/proc/meminfo: memFree=1655992/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=3844 CPUtime=0.09
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 715 0 0 0 9 0 0 0 20 0 1 0 182213768 3936256 693 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530225 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 961 693 64 8 0 633 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3844

[startup+0.51487 s]
/proc/loadavg: 2.20 2.14 2.05 5/86 31580
/proc/meminfo: memFree=1655992/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=7936 CPUtime=0.49
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 1724 0 0 0 49 0 0 0 24 0 1 0 182213768 8126464 1702 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 1984 1702 64 8 0 1656 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 7936

[startup+1.33595 s]
/proc/loadavg: 2.20 2.14 2.05 3/86 31580
/proc/meminfo: memFree=1643064/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=15328 CPUtime=1.31
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 3576 0 0 0 130 1 0 0 25 0 1 0 182213768 15695872 3554 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 3832 3554 64 8 0 3504 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 15328

[startup+2.97511 s]
/proc/loadavg: 2.20 2.14 2.05 3/86 31580
/proc/meminfo: memFree=1634232/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=29584 CPUtime=2.93
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 7142 0 0 0 291 2 0 0 25 0 1 0 182213768 30294016 7120 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 7396 7120 64 8 0 7068 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 29584

[startup+6.25742 s]
/proc/loadavg: 2.19 2.14 2.05 3/86 31580
/proc/meminfo: memFree=1603704/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=58756 CPUtime=6.18
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 14427 0 0 0 614 4 0 0 25 0 1 0 182213768 60166144 14405 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 14689 14405 64 8 0 14361 0
Current children cumulated CPU time (s) 6.18
Current children cumulated vsize (KiB) 58756

[startup+12.721 s]
/proc/loadavg: 2.17 2.13 2.05 3/86 31580
/proc/meminfo: memFree=1545336/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=114196 CPUtime=12.59
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 28303 0 0 0 1250 9 0 0 25 0 1 0 182213768 116936704 28281 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 28549 28281 64 8 0 28221 0
Current children cumulated CPU time (s) 12.59
Current children cumulated vsize (KiB) 114196

[startup+25.5343 s]
/proc/loadavg: 2.13 2.13 2.04 3/86 31580
/proc/meminfo: memFree=1438840/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=223624 CPUtime=25.29
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 55651 0 0 0 2510 19 0 0 25 0 1 0 182213768 228990976 55629 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530955 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 55906 55629 64 8 0 55578 0
Current children cumulated CPU time (s) 25.29
Current children cumulated vsize (KiB) 223624

[startup+51.1717 s]
/proc/loadavg: 2.09 2.12 2.04 3/86 31580
/proc/meminfo: memFree=1220856/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=438784 CPUtime=50.69
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 109457 0 0 0 5029 40 0 0 25 0 1 0 182213768 449314816 109435 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 109696 109435 64 8 0 109368 0
Current children cumulated CPU time (s) 50.69
Current children cumulated vsize (KiB) 438784

[startup+102.438 s]
/proc/loadavg: 1.96 2.08 2.03 3/93 31671
/proc/meminfo: memFree=757632/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=875176 CPUtime=101.52
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 218543 0 0 0 10069 83 0 0 25 0 1 0 182213768 896180224 218521 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530960 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 218794 218521 64 8 0 218466 0
Current children cumulated CPU time (s) 101.52
Current children cumulated vsize (KiB) 875176



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+108.215 s]
/proc/loadavg: 1.96 2.08 2.03 3/93 31671
/proc/meminfo: memFree=688448/2055920 swapFree=4182144/4192956
[pid=31579] ppid=31577 vsize=922564 CPUtime=107.24
/proc/31579/stat : 31579 (VALCSP) R 31577 31579 31414 0 -1 4194304 230406 0 0 0 10637 87 0 0 25 0 1 0 182213768 944705536 230384 18446744073709551615 134512640 134548440 4294956720 18446744073709551615 134530945 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 230641 230384 64 8 0 230313 0
Current children cumulated CPU time (s) 107.24
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): 108.373
CPU time (s): 107.398
CPU user time (s): 106.378
CPU system time (s): 1.01984
CPU usage (%): 99.1002
Max. virtual memory (cumulated for all children) (KiB): 922564

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 106.378
system time used= 1.01984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 230406
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= 4413

runsolver used 0.159975 s user time and 0.329949 s system time

The end



Launcher Data (download as text)




Begin job on node4 on Tue Jan  9 10:23:02 UTC 2007


IDJOB= 235517
IDBENCH= 6775
FILE ID= node4/235517-1168338182

PBS_JOBID= 3503132

Free space on /tmp= 66529 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-10/os-taillard-10-95-6.xml
COMMAND LINE= /tmp/evaluation/235517-1168338182/VALCSP /tmp/evaluation/235517-1168338182/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node4/watcher-235517-1168338182 -o ROOT/results/node4/solver-235517-1168338182 -C 1800 -M 900  /tmp/evaluation/235517-1168338182/VALCSP /tmp/evaluation/235517-1168338182/unknown.xml

META MD5SUM SOLVER= 6fc756be3a7e45a17a81a19ce431bc48
MD5SUM BENCH=  376c4d5b9e80417bbb3a28982bb1287e

RANDOM SEED= 714944865

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:       1656472 kB
Buffers:         56680 kB
Cached:         233728 kB
SwapCached:       2060 kB
Active:         114592 kB
Inactive:       224424 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1656472 kB
SwapTotal:     4192956 kB
SwapFree:      4182144 kB
Dirty:             204 kB
Writeback:           0 kB
Mapped:          61972 kB
Slab:            45096 kB
Committed_AS:  5468596 kB
PageTables:       2372 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= 66530 MiB



End job on node4 on Tue Jan  9 10:24:50 UTC 2007