Trace number 216478

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
galac 1UNSAT 2.20866 2.35164

General information on the benchmark

NamepseudoSeries/chnl/
chnl-10-11.xml
MD5SUM909bddf60f447d4fe6ae1972473e26c0
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark2.20866
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables220
Number of constraints42
Maximum constraint arity11
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension42
Global constraints used (with number of constraints)

Solver Data (download as text)

0.12	c --- Preproc Stats ---
0.76	c start processing
0.76	c start relation processing
0.80	c start cnf exporting
1.04	c parsing time : 0.504
1.04	c preprocessing time : 0.782
1.04	
1.04	c Nary constraints - conflicts : 22 supports : 20
1.04	c Binary constraints - conflicts : 0 supports :0
1.04	c max arity constraint : 11
1.04	c Max Tuples generated 2048
1.04	c relations : 2
1.04	c relations BDD: 2
1.04	c vars : 1061 - clauses :  2720
1.04	
1.07	 
1.07	c --- Minisat Stats ---
1.07	 
2.34	c restarts              : 13
2.34	c conflicts             : 36884          (28978 /sec)
2.34	c decisions             : 52114          (1.72 % random) (40944 /sec)
2.34	c propagations          : 2571257        (2020148 /sec)
2.34	c conflict literals     : 326862         (12.18 % deleted)
2.34	c Memory used           : 2.13 MB
2.34	c CPU time              : 1.27281 s
2.34	
2.34	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node43/watcher-216478-1168242378 -o ROOT/results/node43/solver-216478-1168242378 -C 1800 -M 900 /tmp/evaluation/216478-1168242378/galac.sh /tmp/evaluation/216478-1168242378/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: 1.92 1.98 1.84 5/81 27235
/proc/meminfo: memFree=1790912/2055920 swapFree=4192812/4192956
[pid=27234] ppid=27232 vsize=18540 CPUtime=0
/proc/27234/stat : 27234 (runsolver) R 27232 27234 26940 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 172636931 18984960 279 18446744073709551615 4194304 4267372 548682069088 18446744073709551615 216849247527 0 0 4096 24578 0 0 0 17 1 0 0
/proc/27234/statm: 4635 279 244 17 0 2626 0

[startup+0.103025 s]
/proc/loadavg: 1.92 1.98 1.84 5/81 27235
/proc/meminfo: memFree=1790912/2055920 swapFree=4192812/4192956
[pid=27234] ppid=27232 vsize=47572 CPUtime=0
/proc/27234/stat : 27234 (galac.sh) D 27232 27234 26940 0 -1 4194304 744 1704 0 0 0 0 0 0 23 0 1 0 172636931 48713728 358 18446744073709551615 4194304 4520092 548682069344 18446744073709551615 216849415666 0 2147483391 4096 73728 18446744072099781622 0 0 17 1 0 0
/proc/27234/statm: 11893 358 245 79 0 217 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 47572

[startup+0.511094 s]
/proc/loadavg: 1.92 1.98 1.84 5/81 27235
/proc/meminfo: memFree=1790912/2055920 swapFree=4192812/4192956
[pid=27234] ppid=27232 vsize=47576 CPUtime=0
/proc/27234/stat : 27234 (galac.sh) S 27232 27234 26940 0 -1 4194304 761 1704 0 0 0 0 0 0 18 0 1 0 172636931 48717824 363 18446744073709551615 4194304 4520092 548682069344 18446744073709551615 216848853850 0 2 4096 73728 18446744071563181037 0 0 17 1 0 0
/proc/27234/statm: 11894 363 245 79 0 218 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 47576

[startup+1.33123 s]
/proc/loadavg: 1.92 1.98 1.84 4/82 27256
/proc/meminfo: memFree=1788920/2055920 swapFree=4192812/4192956
[pid=27234] ppid=27232 vsize=47576 CPUtime=0.91
/proc/27234/stat : 27234 (galac.sh) S 27232 27234 26940 0 -1 4194304 799 13583 0 1 0 0 83 8 17 0 1 0 172636931 48717824 363 18446744073709551615 4194304 4520092 548682069344 18446744073709551615 216848853850 0 2 4096 73728 18446744071563181037 0 0 17 0 0 0
/proc/27234/statm: 11894 363 245 79 0 218 0
[pid=27256] ppid=27234 vsize=2032 CPUtime=0.25
/proc/27256/stat : 27256 (minisat) R 27234 27234 26940 0 -1 4194304 185 0 0 0 25 0 0 0 19 0 1 0 172637039 2080768 167 18446744073709551615 134512640 135096742 4294956480 18446744073709551615 134529340 0 0 4096 3 0 0 0 17 1 0 0
/proc/27256/statm: 508 167 53 142 0 364 0
Current children cumulated CPU time (s) 1.16
Current children cumulated vsize (KiB) 49608

Child status: 0
Real time (s): 2.35164
CPU time (s): 2.20866
CPU user time (s): 2.11468
CPU system time (s): 0.093985
CPU usage (%): 93.9202
Max. virtual memory (cumulated for all children) (KiB): 49752

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.11468
system time used= 0.093985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14812
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 915
involuntary context switches= 923

runsolver used 0.005999 s user time and 0.011998 s system time

The end

Launcher Data (download as text)

Begin job on node43 on Mon Jan  8 07:46:18 UTC 2007


IDJOB= 216478
IDBENCH= 5081
FILE ID= node43/216478-1168242378

PBS_JOBID= 3481764

Free space on /tmp= 66498 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/chnl/chnl-10-11.xml
COMMAND LINE= /tmp/evaluation/216478-1168242378/galac.sh /tmp/evaluation/216478-1168242378/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node43/watcher-216478-1168242378 -o ROOT/results/node43/solver-216478-1168242378 -C 1800 -M 900  /tmp/evaluation/216478-1168242378/galac.sh /tmp/evaluation/216478-1168242378/unknown.xml

META MD5SUM SOLVER= d8bf20eb49fe33822f00bab08f33d7fc
MD5SUM BENCH=  909bddf60f447d4fe6ae1972473e26c0

RANDOM SEED= 603164744

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		: 3000.278
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		: 3000.278
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:       1791392 kB
Buffers:         38752 kB
Cached:         146344 kB
SwapCached:          0 kB
Active:         119920 kB
Inactive:        93628 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1791392 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3060 kB
Writeback:           0 kB
Mapped:          46532 kB
Slab:            36380 kB
Committed_AS:  3637408 kB
PageTables:       1840 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= 66498 MiB



End job on node43 on Mon Jan  8 07:46:21 UTC 2007