Trace number 333103

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 166.129 166.18

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn100.sat05-3765.reshuffled-07.cnf
MD5SUM0a1b9434c65125233161905ac395e7f3
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.34864
Satisfiable
(Un)Satisfiability was proved
Number of variables2901
Number of clauses18243
Sum of the clauses size130564
Maximum clause length13
Minimum clause length1
Number of clauses of size 128
Number of clauses of size 2401
Number of clauses of size 32345
Number of clauses of size 4462
Number of clauses of size 5637
Number of clauses of size over 514370

Solver Data (download as text)

0.09/0.16	c Starting solver ...
0.09/0.16	c Restarting after 100 conflicts
0.09/0.16	c Restarting after 250 conflicts
0.09/0.17	c Restarting after 475 conflicts
0.09/0.18	c Restarting after 812 conflicts
0.19/0.20	c Restarting after 1318 conflicts
0.19/0.22	c Restarting after 2077 conflicts
0.19/0.27	c Restarting after 3216 conflicts
0.29/0.35	c Restarting after 4924 conflicts
0.39/0.48	c Restarting after 7487 conflicts
0.69/0.72	c Restarting after 11331 conflicts
1.19/1.21	c Restarting after 17097 conflicts
1.99/2.07	c Restarting after 25746 conflicts
3.19/3.28	c Restarting after 38720 conflicts
5.79/5.83	c Restarting after 58181 conflicts
9.59/9.65	c Restarting after 87374 conflicts
18.38/18.43	c Restarting after 131163 conflicts
35.48/35.57	c Restarting after 196847 conflicts
62.18/62.23	c Restarting after 295377 conflicts
133.35/133.48	c Restarting after 443167 conflicts
166.04/166.15	s SATISFIABLE
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166.04/166.16	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/node11/watcher-333103-1173501763 -o ROOT/results/node11/solver-333103-1173501763 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333103-1173501763/sat7_bin /tmp/evaluation/333103-1173501763/instance-333103-1173501763.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 1.17 3/77 12563
/proc/meminfo: memFree=1418376/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=1340 CPUtime=0
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 204 0 0 0 0 0 0 0 18 0 1 0 370130887 1372160 187 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134547008 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 335 188 87 220 0 112 0

[startup+0.0416979 s]
/proc/loadavg: 0.91 0.95 1.17 3/77 12563
/proc/meminfo: memFree=1418376/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=2116 CPUtime=0.04
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 282 0 0 0 4 0 0 0 18 0 1 0 370130887 2166784 265 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 135014412 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 529 265 88 220 0 306 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2116

[startup+0.101704 s]
/proc/loadavg: 0.91 0.95 1.17 3/77 12563
/proc/meminfo: memFree=1418376/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=2116 CPUtime=0.09
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 404 0 0 0 9 0 0 0 18 0 1 0 370130887 2166784 387 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 135029294 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 529 387 88 220 0 306 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2116

[startup+0.301728 s]
/proc/loadavg: 0.91 0.95 1.17 3/77 12563
/proc/meminfo: memFree=1418376/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=5340 CPUtime=0.29
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 704 0 0 0 29 0 0 0 19 0 1 0 370130887 5468160 687 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 1335 687 95 220 0 1112 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5340

[startup+0.701776 s]
/proc/loadavg: 0.91 0.95 1.17 3/77 12563
/proc/meminfo: memFree=1418376/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=5340 CPUtime=0.69
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 955 0 0 0 69 0 0 0 22 0 1 0 370130887 5468160 938 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 1335 938 95 220 0 1112 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5340

[startup+1.50287 s]
/proc/loadavg: 0.91 0.95 1.17 2/78 12564
/proc/meminfo: memFree=1414464/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=5340 CPUtime=1.49
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 1149 0 0 0 149 0 0 0 25 0 1 0 370130887 5468160 1132 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 1335 1132 95 220 0 1112 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5340

[startup+3.10106 s]
/proc/loadavg: 0.91 0.95 1.17 2/78 12564
/proc/meminfo: memFree=1413696/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=9440 CPUtime=3.09
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 1374 0 0 0 309 0 0 0 25 0 1 0 370130887 9666560 1357 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532419 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 2360 1357 95 220 0 2137 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9440

[startup+6.30143 s]
/proc/loadavg: 0.92 0.95 1.17 2/78 12564
/proc/meminfo: memFree=1412480/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=9704 CPUtime=6.29
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 1544 0 0 0 628 1 0 0 25 0 1 0 370130887 9936896 1527 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 2426 1527 95 220 0 2203 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 9704

[startup+12.7012 s]
/proc/loadavg: 0.92 0.95 1.17 2/78 12564
/proc/meminfo: memFree=1411456/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=9968 CPUtime=12.69
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 1779 0 0 0 1268 1 0 0 25 0 1 0 370130887 10207232 1762 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532548 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 2492 1762 95 220 0 2269 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 9968

[startup+25.5017 s]
/proc/loadavg: 0.94 0.96 1.17 2/78 12564
/proc/meminfo: memFree=1410112/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=10368 CPUtime=25.49
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 2090 0 0 0 2547 2 0 0 25 0 1 0 370130887 10616832 2073 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 2592 2073 95 220 0 2369 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 10368

[startup+51.1017 s]
/proc/loadavg: 0.96 0.96 1.16 2/78 12564
/proc/meminfo: memFree=1409024/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=10904 CPUtime=51.07
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 2396 0 0 0 5105 2 0 0 25 0 1 0 370130887 11165696 2379 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 2726 2379 95 220 0 2503 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 10904

[startup+102.306 s]
/proc/loadavg: 0.98 0.96 1.15 2/78 12564
/proc/meminfo: memFree=1406336/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=15672 CPUtime=102.26
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 3029 0 0 0 10223 3 0 0 25 0 1 0 370130887 16048128 3012 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 3918 3012 95 220 0 3695 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 15672

[startup+162.302 s]
/proc/loadavg: 0.99 0.97 1.14 2/78 12566
/proc/meminfo: memFree=1405056/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=16376 CPUtime=162.24
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 3331 0 0 0 16220 4 0 0 25 0 1 0 370130887 16769024 3314 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532404 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 4094 3314 95 220 0 3871 0
Current children cumulated CPU time (s) 162.24
Current children cumulated vsize (KiB) 16376

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

[startup+163.102 s]
/proc/loadavg: 0.99 0.97 1.14 2/78 12566
/proc/meminfo: memFree=1405056/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=16376 CPUtime=163.04
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 3335 0 0 0 16300 4 0 0 25 0 1 0 370130887 16769024 3318 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 4094 3318 95 220 0 3871 0
Current children cumulated CPU time (s) 163.04
Current children cumulated vsize (KiB) 16376

[startup+164.701 s]
/proc/loadavg: 0.99 0.97 1.14 2/78 12566
/proc/meminfo: memFree=1404992/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=16376 CPUtime=164.64
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 3340 0 0 0 16460 4 0 0 25 0 1 0 370130887 16769024 3323 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 4094 3323 95 220 0 3871 0
Current children cumulated CPU time (s) 164.64
Current children cumulated vsize (KiB) 16376

[startup+165.501 s]
/proc/loadavg: 0.99 0.97 1.14 2/78 12566
/proc/meminfo: memFree=1404992/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=16520 CPUtime=165.44
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 3345 0 0 0 16540 4 0 0 25 0 1 0 370130887 16916480 3328 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532404 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 4130 3328 95 220 0 3907 0
Current children cumulated CPU time (s) 165.44
Current children cumulated vsize (KiB) 16520

[startup+165.901 s]
/proc/loadavg: 0.99 0.97 1.14 2/78 12566
/proc/meminfo: memFree=1404992/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=16520 CPUtime=165.84
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 3346 0 0 0 16580 4 0 0 25 0 1 0 370130887 16916480 3329 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 4130 3329 95 220 0 3907 0
Current children cumulated CPU time (s) 165.84
Current children cumulated vsize (KiB) 16520

[startup+166.105 s]
/proc/loadavg: 0.99 0.97 1.14 2/78 12566
/proc/meminfo: memFree=1404992/2055920 swapFree=4169972/4192956
[pid=12563] ppid=12561 vsize=16520 CPUtime=166.04
/proc/12563/stat : 12563 (sat7_bin) R 12561 12563 10565 0 -1 4194304 3346 0 0 0 16600 4 0 0 25 0 1 0 370130887 16916480 3329 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532379 0 0 4096 0 0 0 0 17 1 0 0
/proc/12563/statm: 4130 3329 95 220 0 3907 0
Current children cumulated CPU time (s) 166.04
Current children cumulated vsize (KiB) 16520

Child status: 10
Real time (s): 166.18
CPU time (s): 166.129
CPU user time (s): 166.078
CPU system time (s): 0.050992
CPU usage (%): 99.969
Max. virtual memory (cumulated for all children) (KiB): 16520

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 166.078
system time used= 0.050992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3346
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= 471

runsolver used 0.19497 second user time and 0.416936 second system time

The end

Launcher Data (download as text)

Begin job on node11 on Sat Mar 10 04:42:43 UTC 2007

IDJOB= 333103
IDBENCH= 24596
IDSOLVER= 101
FILE ID= node11/333103-1173501763

PBS_JOBID= 4101099

Free space on /tmp= 66351 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn100.sat05-3765.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333103-1173501763/sat7_bin /tmp/evaluation/333103-1173501763/instance-333103-1173501763.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node11/watcher-333103-1173501763 -o ROOT/results/node11/solver-333103-1173501763 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333103-1173501763/sat7_bin /tmp/evaluation/333103-1173501763/instance-333103-1173501763.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  0a1b9434c65125233161905ac395e7f3

RANDOM SEED= 360689024

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node11.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		: 3000.243
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		: 3000.243
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:       1418784 kB
Buffers:         51588 kB
Cached:         495400 kB
SwapCached:       2248 kB
Active:         224160 kB
Inactive:       345928 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1418784 kB
SwapTotal:     4192956 kB
SwapFree:      4169972 kB
Dirty:            1928 kB
Writeback:           0 kB
Mapped:          31140 kB
Slab:            52572 kB
Committed_AS:  1156776 kB
PageTables:       1756 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= 66351 MiB

End job on node11 on Sat Mar 10 04:45:30 UTC 2007