Trace number 333019

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
SAT7 2007-02-08SAT 102.324 102.363

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.92055
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

Solver Data (download as text)

0.09/0.13	c Starting solver ...
0.09/0.14	c Restarting after 100 conflicts
0.09/0.14	c Restarting after 250 conflicts
0.09/0.15	c Restarting after 475 conflicts
0.09/0.16	c Restarting after 812 conflicts
0.09/0.18	c Restarting after 1319 conflicts
0.19/0.21	c Restarting after 2082 conflicts
0.19/0.25	c Restarting after 3222 conflicts
0.29/0.32	c Restarting after 4930 conflicts
0.39/0.49	c Restarting after 7492 conflicts
0.79/0.80	c Restarting after 11337 conflicts
1.19/1.23	c Restarting after 17107 conflicts
1.89/1.97	c Restarting after 25756 conflicts
3.29/3.32	c Restarting after 38730 conflicts
5.89/5.94	c Restarting after 58191 conflicts
11.19/11.30	c Restarting after 87383 conflicts
18.59/18.67	c Restarting after 131172 conflicts
36.48/36.51	c Restarting after 196858 conflicts
66.37/66.46	c Restarting after 295385 conflicts
102.25/102.34	s SATISFIABLE
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102.25/102.34	v 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node15/watcher-333019-1173499972 -o ROOT/results/node15/solver-333019-1173499972 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333019-1173499972/sat7_bin /tmp/evaluation/333019-1173499972/instance-333019-1173499972.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): 2400 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: 0.91 0.95 0.98 3/77 17072
/proc/meminfo: memFree=1564048/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=1332 CPUtime=0
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 192 0 0 0 0 0 0 0 18 0 1 0 369951588 1363968 175 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134847846 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 333 175 88 220 0 110 0

[startup+0.079977 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 17072
/proc/meminfo: memFree=1564048/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=2108 CPUtime=0.07
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 349 0 0 0 7 0 0 0 18 0 1 0 369951588 2158592 332 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 135029844 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 527 332 88 220 0 304 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2108

[startup+0.10198 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 17072
/proc/meminfo: memFree=1564048/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=2108 CPUtime=0.09
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 395 0 0 0 9 0 0 0 18 0 1 0 369951588 2158592 378 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134546624 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 527 378 88 220 0 304 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2108

[startup+0.302014 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 17072
/proc/meminfo: memFree=1564048/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=3284 CPUtime=0.29
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 651 0 0 0 29 0 0 0 19 0 1 0 369951588 3362816 634 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532469 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 821 634 95 220 0 598 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3284

[startup+0.701083 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 17072
/proc/meminfo: memFree=1564048/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=5336 CPUtime=0.69
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 889 0 0 0 69 0 0 0 22 0 1 0 369951588 5464064 872 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 1334 872 95 220 0 1111 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5336

[startup+1.50122 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 17073
/proc/meminfo: memFree=1560328/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=5336 CPUtime=1.49
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 1067 0 0 0 149 0 0 0 25 0 1 0 369951588 5464064 1050 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 1334 1050 95 220 0 1111 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5336

[startup+3.1015 s]
/proc/loadavg: 0.92 0.95 0.98 2/78 17073
/proc/meminfo: memFree=1559880/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=5336 CPUtime=3.09
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 1192 0 0 0 309 0 0 0 25 0 1 0 369951588 5464064 1175 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 1334 1175 95 220 0 1111 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5336

[startup+6.30104 s]
/proc/loadavg: 0.92 0.95 0.98 2/78 17073
/proc/meminfo: memFree=1558984/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=9568 CPUtime=6.29
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 1384 0 0 0 629 0 0 0 25 0 1 0 369951588 9797632 1367 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 2392 1367 95 220 0 2169 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 9568

[startup+12.7011 s]
/proc/loadavg: 0.93 0.96 0.98 2/78 17073
/proc/meminfo: memFree=1557768/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=9836 CPUtime=12.68
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 1646 0 0 0 1267 1 0 0 25 0 1 0 369951588 10072064 1629 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 2459 1629 95 220 0 2236 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 9836

[startup+25.5013 s]
/proc/loadavg: 0.94 0.96 0.98 2/78 17073
/proc/meminfo: memFree=1556680/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=10232 CPUtime=25.48
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 1908 0 0 0 2547 1 0 0 25 0 1 0 369951588 10477568 1891 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134538533 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 2558 1891 95 220 0 2335 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 10232

[startup+51.1017 s]
/proc/loadavg: 0.96 0.96 0.98 2/78 17073
/proc/meminfo: memFree=1555272/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=10896 CPUtime=51.07
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 2255 0 0 0 5105 2 0 0 25 0 1 0 369951588 11157504 2238 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528665 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 2724 2238 95 220 0 2501 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 10896

[startup+102.306 s]
/proc/loadavg: 0.98 0.96 0.98 2/78 17073
/proc/meminfo: memFree=1554184/2055920 swapFree=4152672/4192956
[pid=17072] ppid=17070 vsize=11460 CPUtime=102.25
/proc/17072/stat : 17072 (sat7_bin) R 17070 17072 15467 0 -1 4194304 2490 0 0 0 10223 2 0 0 25 0 1 0 369951588 11735040 2473 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/17072/statm: 2865 2473 95 220 0 2642 0
Current children cumulated CPU time (s) 102.25
Current children cumulated vsize (KiB) 11460

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

Child status: 10
Real time (s): 102.363
CPU time (s): 102.324
CPU user time (s): 102.292
CPU system time (s): 0.031995
CPU usage (%): 99.9621
Max. virtual memory (cumulated for all children) (KiB): 11460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 102.292
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2499
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= 8
involuntary context switches= 213

runsolver used 0.131979 second user time and 0.246962 second system time

The end

Launcher Data (download as text)

Begin job on node15 on Sat Mar 10 04:12:52 UTC 2007

IDJOB= 333019
IDBENCH= 24594
IDSOLVER= 101
FILE ID= node15/333019-1173499972

PBS_JOBID= 4101110

Free space on /tmp= 66530 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333019-1173499972/sat7_bin /tmp/evaluation/333019-1173499972/instance-333019-1173499972.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node15/watcher-333019-1173499972 -o ROOT/results/node15/solver-333019-1173499972 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333019-1173499972/sat7_bin /tmp/evaluation/333019-1173499972/instance-333019-1173499972.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  51245c7b8edb32c4dbd94daf982c00d7

RANDOM SEED= 71119949

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node15.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.276
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		: 3000.276
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:       1564456 kB
Buffers:         49440 kB
Cached:         353860 kB
SwapCached:       2796 kB
Active:         250952 kB
Inactive:       175412 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1564456 kB
SwapTotal:     4192956 kB
SwapFree:      4152672 kB
Dirty:            1828 kB
Writeback:           0 kB
Mapped:          30008 kB
Slab:            50536 kB
Committed_AS:  1306280 kB
PageTables:       1800 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= 66530 MiB

End job on node15 on Sat Mar 10 04:14:35 UTC 2007