Trace number 268826

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 3.1? (MO) 139.801 139.85

General information on the benchmark

Namefapp/fapp31-35/fapp34/
fapp34-0750-7.xml
MD5SUM96eb30781bf6857d9d5383961a0c3c9d
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 benchmark5.84711
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables750
Number of constraints8639
Maximum constraint arity2
Maximum domain size998
Number of constraints which are defined in extension0
Number of constraints which are defined in intension8639
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/node2/watcher-268826-1168979904 -o ROOT/results/node2/solver-268826-1168979904 -C 1800 -M 900 /tmp/evaluation/268826-1168979904/VALCSP /tmp/evaluation/268826-1168979904/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: 1.29 1.71 1.62 5/86 8355
/proc/meminfo: memFree=1560428/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=2260 CPUtime=0
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 319 0 0 0 0 0 0 0 18 0 1 0 246387101 2314240 297 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 10970747 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 598 305 64 8 0 270 0

[startup+0.102658 s]
/proc/loadavg: 1.29 1.71 1.62 5/86 8355
/proc/meminfo: memFree=1560428/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=16324 CPUtime=0.09
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 3790 0 0 0 8 1 0 0 18 0 1 0 246387101 16715776 3768 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529344 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 4081 3768 65 8 0 3753 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 16324

[startup+0.512733 s]
/proc/loadavg: 1.29 1.71 1.62 5/86 8355
/proc/meminfo: memFree=1560428/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=18700 CPUtime=0.5
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 4376 0 0 0 48 2 0 0 22 0 1 0 246387101 19148800 4354 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528636 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 4675 4354 65 8 0 4347 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 18700

[startup+1.33288 s]
/proc/loadavg: 1.29 1.71 1.62 3/86 8355
/proc/meminfo: memFree=1538280/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=23716 CPUtime=1.32
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 5624 0 0 0 130 2 0 0 25 0 1 0 246387101 24285184 5602 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528582 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 5929 5602 65 8 0 5601 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 23716

[startup+2.97019 s]
/proc/loadavg: 1.34 1.71 1.62 3/86 8355
/proc/meminfo: memFree=1534376/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=32956 CPUtime=2.96
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 7941 0 0 0 293 3 0 0 25 0 1 0 246387101 33746944 7919 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529329 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 8239 7919 65 8 0 7911 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 32956

[startup+6.25179 s]
/proc/loadavg: 1.34 1.71 1.62 3/86 8355
/proc/meminfo: memFree=1509936/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=55924 CPUtime=6.24
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 13676 0 0 0 619 5 0 0 25 0 1 0 246387101 57266176 13654 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 13981 13654 65 8 0 13653 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 55924

[startup+12.708 s]
/proc/loadavg: 1.44 1.72 1.63 3/86 8355
/proc/meminfo: memFree=1468080/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=96448 CPUtime=12.7
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 23814 0 0 0 1261 9 0 0 25 0 1 0 246387101 98762752 23792 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 24112 23792 65 8 0 23784 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 96448

[startup+25.5203 s]
/proc/loadavg: 1.53 1.73 1.63 3/86 8355
/proc/meminfo: memFree=1389168/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=176440 CPUtime=25.5
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 43813 0 0 0 2533 17 0 0 25 0 1 0 246387101 180674560 43791 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134528636 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 44110 43791 65 8 0 43782 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 176440

[startup+51.152 s]
/proc/loadavg: 1.69 1.75 1.64 3/86 8355
/proc/meminfo: memFree=1210672/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=353452 CPUtime=51.13
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 88055 0 0 0 5078 35 0 0 25 0 1 0 246387101 361934848 88033 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 88363 88033 65 8 0 88035 0
Current children cumulated CPU time (s) 51.13
Current children cumulated vsize (KiB) 353452

[startup+102.396 s]
/proc/loadavg: 1.87 1.79 1.66 3/86 8355
/proc/meminfo: memFree=878128/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=684640 CPUtime=102.35
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 170878 0 0 0 10168 67 0 0 25 0 1 0 246387101 701071360 170856 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 171160 170856 65 8 0 170832 0
Current children cumulated CPU time (s) 102.35
Current children cumulated vsize (KiB) 684640



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+139.701 s]
/proc/loadavg: 1.93 1.81 1.67 3/86 8355
/proc/meminfo: memFree=634608/2055920 swapFree=4180552/4192956
[pid=8354] ppid=8352 vsize=925540 CPUtime=139.65
/proc/8354/stat : 8354 (VALCSP) R 8352 8354 7798 0 -1 4194304 231093 0 0 0 13874 91 0 0 25 0 1 0 246387101 947752960 231071 18446744073709551615 134512640 134547260 4294956720 18446744073709551615 134529339 0 0 4096 0 0 0 0 17 1 0 0
/proc/8354/statm: 231385 231071 65 8 0 231057 0
Current children cumulated CPU time (s) 139.65
Current children cumulated vsize (KiB) 925540

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 139.85
CPU time (s): 139.801
CPU user time (s): 138.746
CPU system time (s): 1.05484
CPU usage (%): 99.9647
Max. virtual memory (cumulated for all children) (KiB): 925540

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 138.746
system time used= 1.05484
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 231093
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= 2980

runsolver used 0.153976 s user time and 0.356945 s system time

The end



Launcher Data (download as text)




Begin job on node2 on Tue Jan 16 20:38:30 UTC 2007


IDJOB= 268826
IDBENCH= 5449
IDSOLVER= 90
FILE ID= node2/268826-1168979904

PBS_JOBID= 3565946

Free space on /tmp= 66563 MiB

SOLVER NAME= VALCSP 3.1
BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp31-35/fapp34/fapp34-0750-7.xml
COMMAND LINE= /tmp/evaluation/268826-1168979904/VALCSP /tmp/evaluation/268826-1168979904/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-268826-1168979904 -o ROOT/results/node2/solver-268826-1168979904 -C 1800 -M 900  /tmp/evaluation/268826-1168979904/VALCSP /tmp/evaluation/268826-1168979904/unknown.xml

META MD5SUM SOLVER= d4fc2c4e0b0392ee9c79e754aa39e238
MD5SUM BENCH=  96eb30781bf6857d9d5383961a0c3c9d

RANDOM SEED= 719628296

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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1561032 kB
Buffers:         60840 kB
Cached:         296508 kB
SwapCached:        604 kB
Active:         242492 kB
Inactive:       168400 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1561032 kB
SwapTotal:     4192956 kB
SwapFree:      4180552 kB
Dirty:            1308 kB
Writeback:           0 kB
Mapped:          65552 kB
Slab:            68816 kB
Committed_AS:  6411500 kB
PageTables:       2340 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= 66563 MiB



End job on node2 on Tue Jan 16 20:40:56 UTC 2007