Trace number 242969

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 1SAT 0.929858 1.02477

General information on the benchmark

Namedimacs/aim-50/
aim-50-2-0-sat-2_ext.xml
MD5SUM4e24e744c54473345cf6881d975ccdd2
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 benchmark0.016996
SatisfiableYES
(Un)Satisfiability was proved
Number of variables50
Number of constraints96
Maximum constraint arity3
Maximum domain size2
Number of constraints which are defined in extension96
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.03	c --- Preproc Stats ---
0.46	c start processing
0.46	c start relation processing
0.46	c start cnf exporting
0.54	c parsing time : 0.308
0.54	c preprocessing time : 0.386
0.54	
0.54	c Nary constraints - conflicts : 95 supports : 0
0.54	c Binary constraints - conflicts : 1 supports :0
0.54	c max arity constraint : 3
0.54	c Max Tuples generated 0
0.54	c relations : 12
0.54	c relations BDD: 0
0.54	c vars : 51 - clauses :  100
0.54	
0.58	 
0.58	c --- Minisat Stats ---
0.58	 
0.58	c restarts              : 1
0.58	c conflicts             : 9              (inf /sec)
0.58	c decisions             : 33             (0.00 % random) (inf /sec)
0.58	c propagations          : 128            (inf /sec)
0.58	c conflict literals     : 24             (0.00 % deleted)
0.58	c Memory used           : 1.73 MB
0.58	c CPU time              : 0 s
0.58	
0.58	s SATISFIABLE
1.02	v 0 1 1 0 0 1 0 0 1 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 1 1 1 0 0 0 1 0 0 1 1 1 0 0 0 0 0 1 0 1 0 0 0 1 1

Verifier Data (download as text)

OK

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node9/watcher-242969-1168383036 -o ROOT/results/node9/solver-242969-1168383036 -C 1800 -M 900 /tmp/evaluation/242969-1168383036/galac.sh /tmp/evaluation/242969-1168383036/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: 0.31 1.29 1.61 5/83 31406
/proc/meminfo: memFree=1746704/2055920 swapFree=4191880/4192956
[pid=31405] ppid=31402 vsize=8652 CPUtime=0
/proc/31405/stat : 31405 (galac.sh) S 31402 31405 31008 0 -1 4194304 347 0 0 0 0 0 0 0 17 0 1 0 186698890 8859648 280 18446744073709551615 4194304 4520092 548682069328 18446744073709551615 215418596186 0 2 4096 73728 18446744071563181037 0 0 17 1 0 0
/proc/31405/statm: 2163 280 208 79 0 156 0
[pid=31407] ppid=31405 vsize=8688 CPUtime=0
/proc/31407/stat : 31407 (galac.sh) S 31405 31405 31008 0 -1 4194368 38 0 0 0 0 0 0 0 17 0 1 0 186698891 8896512 286 18446744073709551615 4194304 4520092 548682069328 18446744073709551615 215419158610 0 0 4096 73728 18446744071563648864 0 0 17 1 0 0
/proc/31407/statm: 2172 286 209 79 0 165 0
[pid=31408] ppid=31407 vsize=0 CPUtime=0
/proc/31408/stat : 31408 (galac.sh) R 31407 31405 31008 0 -1 4194368 26 0 0 0 0 0 0 0 19 0 1 0 186698891 0 0 18446744073709551615 0 0 0 18446744073709551615 215418989863 0 0 3674112 73728 0 0 0 17 1 0 0
/proc/31408/statm: 7 2 0 0 0 1 0

[startup+0.104061 s]
/proc/loadavg: 0.31 1.29 1.61 5/83 31406
/proc/meminfo: memFree=1746704/2055920 swapFree=4191880/4192956
[pid=31405] ppid=31402 vsize=47576 CPUtime=0.01
/proc/31405/stat : 31405 (galac.sh) S 31402 31405 31008 0 -1 4194304 761 1704 0 0 0 0 0 1 18 0 1 0 186698890 48717824 363 18446744073709551615 4194304 4520092 548682069328 18446744073709551615 215418596186 0 2 4096 73728 18446744071563181037 0 0 17 0 0 0
/proc/31405/statm: 11894 363 245 79 0 218 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 47576

[startup+0.515107 s]
/proc/loadavg: 0.31 1.29 1.61 5/83 31406
/proc/meminfo: memFree=1746704/2055920 swapFree=4191880/4192956
[pid=31405] ppid=31402 vsize=47576 CPUtime=0.01
/proc/31405/stat : 31405 (galac.sh) S 31402 31405 31008 0 -1 4194304 761 1704 0 0 0 0 0 1 18 0 1 0 186698890 48717824 363 18446744073709551615 4194304 4520092 548682069328 18446744073709551615 215418596186 0 2 4096 73728 18446744071563181037 0 0 17 0 0 0
/proc/31405/statm: 11894 363 245 79 0 218 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 47576

Child status: 0
Real time (s): 1.02477
CPU time (s): 0.929858
CPU user time (s): 0.818875
CPU system time (s): 0.110983
CPU usage (%): 90.7378
Max. virtual memory (cumulated for all children) (KiB): 47576

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.818875
system time used= 0.110983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16533
page faults= 2
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 720
involuntary context switches= 323

runsolver used 0.005999 s user time and 0.004999 s system time

The end

Launcher Data (download as text)

Begin job on node9 on Tue Jan  9 22:50:37 UTC 2007


IDJOB= 242969
IDBENCH= 7432
FILE ID= node9/242969-1168383036

PBS_JOBID= 3522464

Free space on /tmp= 66546 MiB

BENCH NAME= HOME/pub/bench/CPAI06/dimacs/aim-50/aim-50-2-0-sat-2_ext.xml
COMMAND LINE= /tmp/evaluation/242969-1168383036/galac.sh /tmp/evaluation/242969-1168383036/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-242969-1168383036 -o ROOT/results/node9/solver-242969-1168383036 -C 1800 -M 900  /tmp/evaluation/242969-1168383036/galac.sh /tmp/evaluation/242969-1168383036/unknown.xml

META MD5SUM SOLVER= d8bf20eb49fe33822f00bab08f33d7fc
MD5SUM BENCH=  4e24e744c54473345cf6881d975ccdd2

RANDOM SEED= 85547238

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		: 3000.231
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		: 3000.231
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:       1747512 kB
Buffers:         49592 kB
Cached:         165288 kB
SwapCached:        408 kB
Active:         171156 kB
Inactive:        90876 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1747512 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            3580 kB
Writeback:           4 kB
Mapped:          58708 kB
Slab:            31404 kB
Committed_AS:  6224952 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= 66546 MiB



End job on node9 on Tue Jan  9 22:50:39 UTC 2007