Trace number 2073364

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
pcs 0.3.2SAT 0.799878 0.807164

DiagnosticValue
ASSIGNMENTS0

General information on the benchmark

Namecsp/bddSmall/
normalized-bdd-21-133-18-78-32_ext.xml
MD5SUM307c86d1b1d5087d7283ea5358a15937
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.799878
Satisfiable
(Un)Satisfiability was proved
Number of variables21
Number of constraints133
Maximum constraint arity18
Maximum domain size2
Number of constraints which are defined in extension133
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.01/0.04	c small-domain mode
0.01/0.05	c Seed is 444857673
0.01/0.05	c Constructing HOME/instance-2073364-1247711748.xml  with 133 constraints
0.66/0.79	c Solving 0 backtracks
0.76/0.80	s SATISFIABLE
0.76/0.80	c V0=0, V1=0, V2=0, V3=0, V4=0, V5=0, V6=0, V7=0, V8=0, V9=0, V10=0, V11=0, V12=0, V13=0, V14=0, V15=0, V16=0, V17=0, V18=0, V19=0, V20=0, 
0.76/0.80	v 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
0.76/0.80	d ASSIGNMENTS 0

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2073364-1247711748/watcher-2073364-1247711748 -o /tmp/evaluation-result-2073364-1247711748/solver-2073364-1247711748 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 444857673 HOME/instance-2073364-1247711748.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 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


[startup+0 s]
/proc/loadavg: 2.00 2.01 2.03 4/82 14012
/proc/meminfo: memFree=1329016/2055920 swapFree=4192812/4192956
[pid=14012] ppid=14010 vsize=5356 CPUtime=0
/proc/14012/stat : 14012 (pcssolve) R 14010 14012 13279 0 -1 4194304 273 0 0 0 0 0 0 0 20 0 1 0 58240828 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 210824129183 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14012/statm: 1339 241 200 169 0 50 0
[pid=14013] ppid=14012 vsize=5356 CPUtime=0
/proc/14013/stat : 14013 (pcssolve) R 14012 14012 13279 0 -1 4194368 0 0 0 0 0 0 0 0 20 0 1 0 58240829 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 210824129183 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14013/statm: 1339 241 200 169 0 50 0

[startup+0.0440971 s]
/proc/loadavg: 2.00 2.01 2.03 4/82 14012
/proc/meminfo: memFree=1329016/2055920 swapFree=4192812/4192956
[pid=14012] ppid=14010 vsize=5356 CPUtime=0.01
/proc/14012/stat : 14012 (pcssolve) S 14010 14012 13279 0 -1 4194304 367 2676 0 0 0 0 0 1 22 0 1 0 58240828 5484544 243 996147200 4194304 4889804 548682068800 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14012/statm: 1339 243 202 169 0 50 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 5356

[startup+0.101098 s]
/proc/loadavg: 2.00 2.01 2.03 4/82 14012
/proc/meminfo: memFree=1329016/2055920 swapFree=4192812/4192956
[pid=14012] ppid=14010 vsize=5848 CPUtime=0.06
/proc/14012/stat : 14012 (pcs.small) R 14010 14012 13279 0 -1 4194304 1042 3863 0 0 4 0 1 1 18 0 1 0 58240828 5988352 651 996147200 134512640 135095119 4294956304 18446744073709551615 134739562 0 0 4096 0 0 0 0 17 1 0 0
/proc/14012/statm: 1462 651 361 142 0 416 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5848

[startup+0.301126 s]
/proc/loadavg: 2.00 2.01 2.03 4/82 14012
/proc/meminfo: memFree=1329016/2055920 swapFree=4192812/4192956
[pid=14012] ppid=14010 vsize=9544 CPUtime=0.26
/proc/14012/stat : 14012 (pcs.small) R 14010 14012 13279 0 -1 4194304 2097 3863 0 0 24 0 1 1 19 0 1 0 58240828 9773056 1706 996147200 134512640 135095119 4294956304 18446744073709551615 134681666 0 0 4096 0 0 0 0 17 1 0 0
/proc/14012/statm: 2386 1706 362 142 0 1340 0
Current children cumulated CPU time (s) 0.26
Current children cumulated vsize (KiB) 9544

[startup+0.701173 s]
/proc/loadavg: 2.00 2.01 2.03 4/82 14012
/proc/meminfo: memFree=1329016/2055920 swapFree=4192812/4192956
[pid=14012] ppid=14010 vsize=14436 CPUtime=0.66
/proc/14012/stat : 14012 (pcs.small) R 14010 14012 13279 0 -1 4194304 4023 3863 0 0 63 1 1 1 23 0 1 0 58240828 14782464 2886 996147200 134512640 135095119 4294956304 18446744073709551615 134944404 0 0 4096 0 0 0 0 17 1 0 0
/proc/14012/statm: 3609 2886 375 142 0 2563 0
Current children cumulated CPU time (s) 0.66
Current children cumulated vsize (KiB) 14436

Solver just ended. Dumping a history of the last processes samples

[startup+0.801182 s]
/proc/loadavg: 2.00 2.01 2.03 4/82 14012
/proc/meminfo: memFree=1329016/2055920 swapFree=4192812/4192956
[pid=14012] ppid=14010 vsize=13756 CPUtime=0.76
/proc/14012/stat : 14012 (pcs.small) R 14010 14012 13279 0 -1 4194304 4153 3863 0 0 73 1 1 1 23 0 1 0 58240828 14086144 2786 996147200 134512640 135095119 4294956304 18446744073709551615 134909008 0 0 4096 0 0 0 0 17 1 0 0
/proc/14012/statm: 3439 2786 389 142 0 2393 0
Current children cumulated CPU time (s) 0.76
Current children cumulated vsize (KiB) 13756

Child status: 0
Real time (s): 0.807164
CPU time (s): 0.799878
CPU user time (s): 0.760884
CPU system time (s): 0.038994
CPU usage (%): 99.0973
Max. virtual memory (cumulated for all children) (KiB): 14436

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.760884
system time used= 0.038994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8019
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= 23
involuntary context switches= 45

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node33 at 2009-07-16 04:35:48
IDJOB=2073364
IDBENCH=55972
IDSOLVER=733
FILE ID=node33/2073364-1247711748
PBS_JOBID= 9521325
Free space on /tmp= 66424 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/bddSmall/normalized-bdd-21-133-18-78-32_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2073364-1247711748/watcher-2073364-1247711748 -o /tmp/evaluation-result-2073364-1247711748/solver-2073364-1247711748 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 444857673 HOME/instance-2073364-1247711748.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 307c86d1b1d5087d7283ea5358a15937
RANDOM SEED=444857673

node33.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.229
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		: 3000.229
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:       1329432 kB
Buffers:         72768 kB
Cached:         396160 kB
SwapCached:          0 kB
Active:         243408 kB
Inactive:       396192 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1329432 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3768 kB
Writeback:           0 kB
Mapped:         191056 kB
Slab:            71704 kB
Committed_AS:   735992 kB
PageTables:       2136 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= 66420 MiB
End job on node33 at 2009-07-16 04:35:49