Trace number 214857

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
BPrologCSPSolver70a 2006-12-13SAT 0.569912 0.572705

General information on the benchmark

NamepseudoSeries/logic-synthesis/
e-am-pi.xml
MD5SUMf495ffc9a09132d5bc1ae4d343087a7c
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 benchmark0.569912
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables4676
Number of constraints509
Maximum constraint arity166
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension509
Global constraints used (with number of constraints)

Solver Data (download as text)

0.56	
0.56	Time: 502
0.56	
c 
c 
c 
c solution file
c 
c 

SAT
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c 
c 
c 
c conversion script
c 
c 

converting(/tmp/evaluation/214857-1168232014/unknown)

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/node30/watcher-214857-1168232014 -o ROOT/results/node30/solver-214857-1168232014 -C 1800 -M 900 /tmp/evaluation/214857-1168232014/Complete/Ordinary/solver /tmp/evaluation/214857-1168232014/unknown 1800 

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: 1.10 1.03 1.00 5/94 5615
/proc/meminfo: memFree=866700/2055920 swapFree=4191880/4192956
[pid=5614] ppid=5612 vsize=53472 CPUtime=0
/proc/5614/stat : 5614 (bprolog) R 5612 5614 5441 0 -1 4194304 485 0 0 0 0 0 0 0 18 0 1 0 171596044 54755328 204 18446744073709551615 134512640 134884608 4294956576 18446744073709551615 134550338 0 0 4096 2 0 0 0 17 1 0 0
/proc/5614/statm: 13368 205 123 90 0 12906 0

[startup+0.103406 s]
/proc/loadavg: 1.10 1.03 1.00 5/94 5615
/proc/meminfo: memFree=866700/2055920 swapFree=4191880/4192956
[pid=5614] ppid=5612 vsize=61640 CPUtime=0.09
/proc/5614/stat : 5614 (bprolog) R 5612 5614 5441 0 -1 4194304 2334 0 0 0 8 1 0 0 18 0 1 0 171596044 63119360 2050 18446744073709551615 134512640 134884608 4294956576 18446744073709551615 134555775 0 0 4096 2 0 0 0 17 1 0 0
/proc/5614/statm: 15410 2052 158 90 0 14948 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 61640

[startup+0.511431 s]
/proc/loadavg: 1.10 1.03 1.00 5/94 5615
/proc/meminfo: memFree=866700/2055920 swapFree=4191880/4192956
[pid=5614] ppid=5612 vsize=72984 CPUtime=0.5
/proc/5614/stat : 5614 (bprolog) R 5612 5614 5441 0 -1 4194304 5791 0 0 0 47 3 0 0 21 0 2 0 171596044 74735616 4854 18446744073709551615 134512640 134884608 4294956576 18446744073709551615 134799146 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/5614/statm: 18246 4855 178 90 0 17784 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 72984

Child status: 0
Real time (s): 0.572705
CPU time (s): 0.569912
CPU user time (s): 0.514921
CPU system time (s): 0.054991
CPU usage (%): 99.5123
Max. virtual memory (cumulated for all children) (KiB): 72984

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.514921
system time used= 0.054991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6170
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= 10
involuntary context switches= 6

runsolver used 0.006998 s user time and 0.003999 s system time

The end

Launcher Data (download as text)

Begin job on node30 on Mon Jan  8 04:53:35 UTC 2007


IDJOB= 214857
IDBENCH= 4957
FILE ID= node30/214857-1168232014

PBS_JOBID= 3481396

Free space on /tmp= 66490 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/logic-synthesis/e-am-pi.xml
COMMAND LINE= /tmp/evaluation/214857-1168232014/Complete/Ordinary/solver /tmp/evaluation/214857-1168232014/unknown 1800
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node30/convwatcher-214857-1168232014 -o ROOT/results/node30/conversion-214857-1168232014 -C 600 -M 900 /tmp/evaluation/214857-1168232014/Complete/Ordinary/conversion /tmp/evaluation/214857-1168232014/unknown
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node30/watcher-214857-1168232014 -o ROOT/results/node30/solver-214857-1168232014 -C 1800 -M 900  /tmp/evaluation/214857-1168232014/Complete/Ordinary/solver /tmp/evaluation/214857-1168232014/unknown 1800

META MD5SUM SOLVER= b53ab06f245aa5e62684a7a0a4388ade
MD5SUM BENCH=  f495ffc9a09132d5bc1ae4d343087a7c

RANDOM SEED= 447482402

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		: 3000.234
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		: 3000.234
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:        867192 kB
Buffers:         27848 kB
Cached:         974680 kB
SwapCached:        268 kB
Active:         473852 kB
Inactive:       661088 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        867192 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            6648 kB
Writeback:           0 kB
Mapped:         159032 kB
Slab:            38208 kB
Committed_AS:  4447604 kB
PageTables:       2472 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= 66489 MiB



End job on node30 on Mon Jan  8 04:53:42 UTC 2007