Trace number 1725668

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 20.6199 20.6274

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.38479
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data

20.58/20.62	
20.58/20.62	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-1725668-1240706077/watcher-1725668-1240706077 -o /tmp/evaluation-result-1725668-1240706077/solver-1725668-1240706077 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SApperloT-base -seed=1591870814 HOME/instance-1725668-1240706077.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: 1.00 1.00 1.08 3/64 17955
/proc/meminfo: memFree=1789312/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=1580 CPUtime=0
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 187 0 0 0 0 0 0 0 18 0 1 0 98640776 1617920 171 1992294400 134512640 135674940 4294956192 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 395 171 92 283 0 109 0

[startup+0.012972 s]
/proc/loadavg: 1.00 1.00 1.08 3/64 17955
/proc/meminfo: memFree=1789312/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=1844 CPUtime=0.01
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 269 0 0 0 1 0 0 0 18 0 1 0 98640776 1888256 253 1992294400 134512640 135674940 4294956192 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 461 254 92 283 0 175 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1844

[startup+0.101987 s]
/proc/loadavg: 1.00 1.00 1.08 3/64 17955
/proc/meminfo: memFree=1789312/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=3164 CPUtime=0.09
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 608 0 0 0 9 0 0 0 18 0 1 0 98640776 3239936 591 1992294400 134512640 135674940 4294956192 18446744073709551615 134536754 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 791 591 98 283 0 505 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3164

[startup+0.302019 s]
/proc/loadavg: 1.00 1.00 1.08 3/64 17955
/proc/meminfo: memFree=1789312/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=4108 CPUtime=0.29
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 843 0 0 0 29 0 0 0 19 0 1 0 98640776 4206592 826 1992294400 134512640 135674940 4294956192 18446744073709551615 134558960 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 1027 826 98 283 0 741 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4108

[startup+0.701087 s]
/proc/loadavg: 1.00 1.00 1.08 3/64 17955
/proc/meminfo: memFree=1789312/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=5168 CPUtime=0.69
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 1088 0 0 0 69 0 0 0 23 0 1 0 98640776 5292032 1071 1992294400 134512640 135674940 4294956192 18446744073709551615 134564568 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 1292 1071 98 283 0 1006 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5168

[startup+1.50122 s]
/proc/loadavg: 1.00 1.00 1.08 2/65 17956
/proc/meminfo: memFree=1785272/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=5696 CPUtime=1.49
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 1228 0 0 0 149 0 0 0 25 0 1 0 98640776 5832704 1211 1992294400 134512640 135674940 4294956192 18446744073709551615 134564255 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 1424 1211 98 283 0 1138 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5696

[startup+3.1015 s]
/proc/loadavg: 1.00 1.00 1.08 2/65 17956
/proc/meminfo: memFree=1784568/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=6372 CPUtime=3.09
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 1373 0 0 0 309 0 0 0 25 0 1 0 98640776 6524928 1356 1992294400 134512640 135674940 4294956192 18446744073709551615 134550843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 1593 1356 98 283 0 1307 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6372

[startup+6.30104 s]
/proc/loadavg: 1.00 1.00 1.08 2/65 17956
/proc/meminfo: memFree=1783544/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=7196 CPUtime=6.29
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 1579 0 0 0 629 0 0 0 25 0 1 0 98640776 7368704 1562 1992294400 134512640 135674940 4294956192 18446744073709551615 134565083 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 1799 1562 99 283 0 1513 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7196

[startup+12.7011 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 17956
/proc/meminfo: memFree=1782136/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=8484 CPUtime=12.68
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 1864 0 0 0 1268 0 0 0 25 0 1 0 98640776 8687616 1847 1992294400 134512640 135674940 4294956192 18446744073709551615 134564222 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 2121 1847 99 283 0 1835 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8484

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

[startup+15.9017 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 17956
/proc/meminfo: memFree=1781688/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=8908 CPUtime=15.88
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 1960 0 0 0 1588 0 0 0 25 0 1 0 98640776 9121792 1943 1992294400 134512640 135674940 4294956192 18446744073709551615 134566340 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 2227 1943 99 283 0 1941 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 8908

[startup+19.1012 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 17956
/proc/meminfo: memFree=1781304/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=9364 CPUtime=19.08
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 2072 0 0 0 1908 0 0 0 25 0 1 0 98640776 9588736 2055 1992294400 134512640 135674940 4294956192 18446744073709551615 134564252 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 2341 2055 99 283 0 2055 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 9364

[startup+19.9014 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 17956
/proc/meminfo: memFree=1781176/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=9364 CPUtime=19.88
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 2078 0 0 0 1988 0 0 0 25 0 1 0 98640776 9588736 2061 1992294400 134512640 135674940 4294956192 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 2341 2061 99 283 0 2055 0
Current children cumulated CPU time (s) 19.88
Current children cumulated vsize (KiB) 9364

[startup+20.3014 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 17956
/proc/meminfo: memFree=1781176/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=9364 CPUtime=20.28
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 2078 0 0 0 2028 0 0 0 25 0 1 0 98640776 9588736 2061 1992294400 134512640 135674940 4294956192 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 2341 2061 99 283 0 2055 0
Current children cumulated CPU time (s) 20.28
Current children cumulated vsize (KiB) 9364

[startup+20.5015 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 17956
/proc/meminfo: memFree=1781176/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=9364 CPUtime=20.48
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 2078 0 0 0 2048 0 0 0 25 0 1 0 98640776 9588736 2061 1992294400 134512640 135674940 4294956192 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 2341 2061 99 283 0 2055 0
Current children cumulated CPU time (s) 20.48
Current children cumulated vsize (KiB) 9364

[startup+20.6015 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 17956
/proc/meminfo: memFree=1781176/2055920 swapFree=4181396/4192956
[pid=17955] ppid=17953 vsize=9364 CPUtime=20.58
/proc/17955/stat : 17955 (SApperloT-base) R 17953 17955 17461 0 -1 4194304 2082 0 0 0 2058 0 0 0 25 0 1 0 98640776 9588736 2065 1992294400 134512640 135674940 4294956192 18446744073709551615 134549493 0 0 4096 0 0 0 0 17 1 0 0
/proc/17955/statm: 2341 2065 99 283 0 2055 0
Current children cumulated CPU time (s) 20.58
Current children cumulated vsize (KiB) 9364

Child status: 0
Real time (s): 20.6274
CPU time (s): 20.6199
CPU user time (s): 20.6089
CPU system time (s): 0.010998
CPU usage (%): 99.9635
Max. virtual memory (cumulated for all children) (KiB): 9364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.6089
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2100
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= 3
involuntary context switches= 53

runsolver used 0.021996 second user time and 0.049992 second system time

The end

Launcher Data

Begin job on node25 at 2009-04-26 02:34:38
IDJOB=1725668
IDBENCH=24595
IDSOLVER=509
FILE ID=node25/1725668-1240706077
PBS_JOBID= 9186772
Free space on /tmp= 66380 MiB

SOLVER NAME= SApperloT base
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/SApperloT-base -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725668-1240706077/watcher-1725668-1240706077 -o /tmp/evaluation-result-1725668-1240706077/solver-1725668-1240706077 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SApperloT-base -seed=1591870814 HOME/instance-1725668-1240706077.cnf

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=1591870814

node25.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		: 3000.259
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		: 3000.259
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:       1789792 kB
Buffers:         11056 kB
Cached:         204048 kB
SwapCached:       5080 kB
Active:          10240 kB
Inactive:       212432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1789792 kB
SwapTotal:     4192956 kB
SwapFree:      4181396 kB
Dirty:            2084 kB
Writeback:           0 kB
Mapped:          13472 kB
Slab:            29468 kB
Committed_AS:   366920 kB
PageTables:       1460 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= 66376 MiB
End job on node25 at 2009-04-26 02:34:58