Trace number 210119

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
Tramontane 2006-12-04SAT 1.66774 1.68384

General information on the benchmark

NamepseudoSeries/
ssa/ssa-7552-038.xml
MD5SUM0865fc8ec012f0abefd3219ca2fcad95
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.312951
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables3002
Number of constraints5072
Maximum constraint arity6
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension5072
Global constraints used (with number of constraints)

Solver Data (download as text)

0.01	c 
0.01	c Parsing xml file
0.01	c 	domains...............    0
0.01	c 	variables............. 0.06
0.07	c 	predicates............    0
0.07	c 	constraints........... 0.33
0.40	c Allocating memory
0.40	c 
0.40	c time limit = -1
0.40	c heuristic = dom/wdeg
0.40	c restart policy = Geometric increment
0.40	c restart base = 2001
0.40	c restart factor = 1.33
0.40	c 
0.40	c Solving
0.40	c
1.65	s SATISFIABLE
1.65	v 1 0 0 1 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 1 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 0 1 0 0 1 1 0 1 0 1 0 0 0 0 1 1 0 1 0 0 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 0 1 0 0 1 0 1 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 1 0 0 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 0 1 0 1 0 0 1 0 1 1 0 0 1 0 1 1 0 1 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 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0 0 1 1 0
1.66	d          SAT      2270 BTS       1.2 s

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/node44/watcher-210119-1168195874 -o ROOT/results/node44/solver-210119-1168195874 -C 1800 -M 900 /tmp/evaluation/210119-1168195874/tramontane/bin/solver /tmp/evaluation/210119-1168195874/unknown.xml -res geom -f 3 -v 1 

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: 0.27 0.59 1.29 4/68 14502
/proc/meminfo: memFree=1517632/2055920 swapFree=4191892/4192956
[pid=14501] ppid=14499 vsize=6792 CPUtime=0
/proc/14501/stat : 14501 (solver) R 14499 14501 14042 0 -1 4194304 133 0 0 0 0 0 0 0 18 0 1 0 167987734 6955008 116 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 11244736 0 0 4096 0 0 0 0 17 1 0 0
/proc/14501/statm: 1698 131 114 92 0 30 0

[startup+0.103736 s]
/proc/loadavg: 0.27 0.59 1.29 4/68 14502
/proc/meminfo: memFree=1517632/2055920 swapFree=4191892/4192956
[pid=14501] ppid=14499 vsize=7844 CPUtime=0.09
/proc/14501/stat : 14501 (solver) R 14499 14501 14042 0 -1 4194304 1043 0 0 0 9 0 0 0 18 0 1 0 167987734 8032256 1011 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 134613795 0 0 4096 0 0 0 0 17 1 0 0
/proc/14501/statm: 1961 1011 707 92 0 305 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7844

[startup+0.512767 s]
/proc/loadavg: 0.27 0.59 1.29 4/68 14502
/proc/meminfo: memFree=1517632/2055920 swapFree=4191892/4192956
[pid=14501] ppid=14499 vsize=10112 CPUtime=0.5
/proc/14501/stat : 14501 (solver) R 14499 14501 14042 0 -1 4194304 1603 0 0 0 50 0 0 0 21 0 1 0 167987734 10354688 1571 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 134727414 0 0 4096 0 0 0 0 17 1 0 0
/proc/14501/statm: 2528 1571 722 92 0 872 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 10112

[startup+1.33285 s]
/proc/loadavg: 0.27 0.59 1.29 2/68 14502
/proc/meminfo: memFree=1514176/2055920 swapFree=4191892/4192956
[pid=14501] ppid=14499 vsize=10112 CPUtime=1.32
/proc/14501/stat : 14501 (solver) R 14499 14501 14042 0 -1 4194304 1603 0 0 0 132 0 0 0 25 0 1 0 167987734 10354688 1571 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 134727398 0 0 4096 0 0 0 0 17 1 0 0
/proc/14501/statm: 2528 1571 722 92 0 872 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 10112

Child status: 0
Real time (s): 1.68384
CPU time (s): 1.66774
CPU user time (s): 1.65975
CPU system time (s): 0.007998
CPU usage (%): 99.0441
Max. virtual memory (cumulated for all children) (KiB): 10196

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.65975
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1643
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= 13
involuntary context switches= 1

runsolver used 0.004999 s user time and 0.010998 s system time

The end

Launcher Data (download as text)

Begin job on node44 on Sun Jan  7 18:51:20 UTC 2007


IDJOB= 210119
IDBENCH= 4595
FILE ID= node44/210119-1168195874

PBS_JOBID= 3480691

Free space on /tmp= 66538 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/ssa/ssa-7552-038.xml
COMMAND LINE= /tmp/evaluation/210119-1168195874/tramontane/bin/solver /tmp/evaluation/210119-1168195874/unknown.xml -res geom -f 3 -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node44/watcher-210119-1168195874 -o ROOT/results/node44/solver-210119-1168195874 -C 1800 -M 900  /tmp/evaluation/210119-1168195874/tramontane/bin/solver /tmp/evaluation/210119-1168195874/unknown.xml -res geom -f 3 -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  0865fc8ec012f0abefd3219ca2fcad95

RANDOM SEED= 98567113

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		: 3000.213
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		: 3000.213
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:       1494384 kB
Buffers:         41692 kB
Cached:         411336 kB
SwapCached:        396 kB
Active:         212176 kB
Inactive:       283648 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1494384 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:            7980 kB
Writeback:           0 kB
Mapped:          60160 kB
Slab:            50952 kB
Committed_AS:  4148504 kB
PageTables:       1896 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= 66538 MiB



End job on node44 on Sun Jan  7 18:51:30 UTC 2007