Trace number 1725721

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
SApperloT baseSAT 20.5629 20.5689

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.76073
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

Solver Data

20.49/20.56	
20.49/20.56	s SATISFIABLE
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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-1725721-1240706301/watcher-1725721-1240706301 -o /tmp/evaluation-result-1725721-1240706301/solver-1725721-1240706301 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SApperloT-base -seed=1081426707 HOME/instance-1725721-1240706301.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.48 1.12 1.04 3/64 19353
/proc/meminfo: memFree=1498072/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=1580 CPUtime=0
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 187 0 0 0 0 0 0 0 18 0 1 0 98664058 1617920 171 1992294400 134512640 135674940 4294956192 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 395 172 91 283 0 109 0

[startup+0.0154059 s]
/proc/loadavg: 1.48 1.12 1.04 3/64 19353
/proc/meminfo: memFree=1498072/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=1976 CPUtime=0.01
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 298 0 0 0 1 0 0 0 18 0 1 0 98664058 2023424 282 1992294400 134512640 135674940 4294956192 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 494 282 92 283 0 208 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1976

[startup+0.101416 s]
/proc/loadavg: 1.48 1.12 1.04 3/64 19353
/proc/meminfo: memFree=1498072/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=3164 CPUtime=0.09
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 613 0 0 0 9 0 0 0 18 0 1 0 98664058 3239936 596 1992294400 134512640 135674940 4294956192 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 791 596 98 283 0 505 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3164

[startup+0.301438 s]
/proc/loadavg: 1.48 1.12 1.04 3/64 19353
/proc/meminfo: memFree=1498072/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=4112 CPUtime=0.29
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 851 0 0 0 29 0 0 0 19 0 1 0 98664058 4210688 834 1992294400 134512640 135674940 4294956192 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 1028 834 98 283 0 742 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4112

[startup+0.701482 s]
/proc/loadavg: 1.48 1.12 1.04 3/64 19353
/proc/meminfo: memFree=1498072/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=5036 CPUtime=0.69
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 1049 0 0 0 69 0 0 0 22 0 1 0 98664058 5156864 1032 1992294400 134512640 135674940 4294956192 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 1259 1032 98 283 0 973 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5036

[startup+1.50257 s]
/proc/loadavg: 1.48 1.12 1.04 2/65 19354
/proc/meminfo: memFree=1494096/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=5432 CPUtime=1.49
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 1177 0 0 0 149 0 0 0 25 0 1 0 98664058 5562368 1160 1992294400 134512640 135674940 4294956192 18446744073709551615 134565311 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 1358 1160 98 283 0 1072 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5432

[startup+3.10175 s]
/proc/loadavg: 1.48 1.12 1.04 2/65 19354
/proc/meminfo: memFree=1493392/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=6100 CPUtime=3.09
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 1338 0 0 0 309 0 0 0 25 0 1 0 98664058 6246400 1321 1992294400 134512640 135674940 4294956192 18446744073709551615 134565166 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 1525 1321 98 283 0 1239 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6100

[startup+6.30111 s]
/proc/loadavg: 1.44 1.12 1.04 2/65 19354
/proc/meminfo: memFree=1492624/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=6896 CPUtime=6.29
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 1541 0 0 0 628 1 0 0 25 0 1 0 98664058 7061504 1524 1992294400 134512640 135674940 4294956192 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 1724 1524 99 283 0 1438 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6896

[startup+12.7018 s]
/proc/loadavg: 1.40 1.12 1.04 2/65 19354
/proc/meminfo: memFree=1491088/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=8128 CPUtime=12.69
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 1838 0 0 0 1268 1 0 0 25 0 1 0 98664058 8323072 1821 1992294400 134512640 135674940 4294956192 18446744073709551615 134559225 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 2032 1821 99 283 0 1746 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8128

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

[startup+15.9012 s]
/proc/loadavg: 1.37 1.11 1.04 2/65 19354
/proc/meminfo: memFree=1490448/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=8692 CPUtime=15.89
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 1940 0 0 0 1588 1 0 0 25 0 1 0 98664058 8900608 1923 1992294400 134512640 135674940 4294956192 18446744073709551615 134565166 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 2173 1923 99 283 0 1887 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 8692

[startup+19.1015 s]
/proc/loadavg: 1.37 1.11 1.04 2/65 19354
/proc/meminfo: memFree=1489936/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=9124 CPUtime=19.09
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 2062 0 0 0 1908 1 0 0 25 0 1 0 98664058 9342976 2045 1992294400 134512640 135674940 4294956192 18446744073709551615 134564620 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 2281 2045 99 283 0 1995 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 9124

[startup+19.9016 s]
/proc/loadavg: 1.34 1.11 1.04 2/65 19354
/proc/meminfo: memFree=1489872/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=9124 CPUtime=19.89
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 2070 0 0 0 1988 1 0 0 25 0 1 0 98664058 9342976 2053 1992294400 134512640 135674940 4294956192 18446744073709551615 134564826 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 2281 2053 99 283 0 1995 0
Current children cumulated CPU time (s) 19.89
Current children cumulated vsize (KiB) 9124

[startup+20.3017 s]
/proc/loadavg: 1.34 1.11 1.04 2/65 19354
/proc/meminfo: memFree=1489872/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=9284 CPUtime=20.29
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 2089 0 0 0 2028 1 0 0 25 0 1 0 98664058 9506816 2072 1992294400 134512640 135674940 4294956192 18446744073709551615 134565288 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 2321 2072 99 283 0 2035 0
Current children cumulated CPU time (s) 20.29
Current children cumulated vsize (KiB) 9284

[startup+20.5017 s]
/proc/loadavg: 1.34 1.11 1.04 2/65 19354
/proc/meminfo: memFree=1489872/2055920 swapFree=4192956/4192956
[pid=19353] ppid=19351 vsize=9284 CPUtime=20.49
/proc/19353/stat : 19353 (SApperloT-base) R 19351 19353 19148 0 -1 4194304 2093 0 0 0 2048 1 0 0 25 0 1 0 98664058 9506816 2076 1992294400 134512640 135674940 4294956192 18446744073709551615 134571530 0 0 4096 0 0 0 0 17 1 0 0
/proc/19353/statm: 2321 2076 99 283 0 2035 0
Current children cumulated CPU time (s) 20.49
Current children cumulated vsize (KiB) 9284

Child status: 0
Real time (s): 20.5689
CPU time (s): 20.5629
CPU user time (s): 20.5469
CPU system time (s): 0.015997
CPU usage (%): 99.9708
Max. virtual memory (cumulated for all children) (KiB): 9284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.5469
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2112
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= 2
involuntary context switches= 59

runsolver used 0.017997 second user time and 0.049992 second system time

The end

Launcher Data

Begin job on node5 at 2009-04-26 02:38:21
IDJOB=1725721
IDBENCH=24597
IDSOLVER=509
FILE ID=node5/1725721-1240706301
PBS_JOBID= 9186823
Free space on /tmp= 66340 MiB

SOLVER NAME= SApperloT base
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= HOME/SApperloT-base -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725721-1240706301/watcher-1725721-1240706301 -o /tmp/evaluation-result-1725721-1240706301/solver-1725721-1240706301 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SApperloT-base -seed=1081426707 HOME/instance-1725721-1240706301.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=1081426707

node5.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		: 3000.212
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		: 3000.212
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:       1498488 kB
Buffers:         65428 kB
Cached:         407988 kB
SwapCached:          0 kB
Active:         131460 kB
Inactive:       355884 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1498488 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2236 kB
Writeback:           0 kB
Mapped:          23644 kB
Slab:            56084 kB
Committed_AS:   352540 kB
PageTables:       1388 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= 66340 MiB
End job on node5 at 2009-04-26 02:38:42