Trace number 370109

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
CMUSAT 2007-02-08SAT 3.34449 3.35163

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 benchmark3.34449
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)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  2901                                                 |
0.00/0.04	c |  Number of clauses:    18243                                                |
3.30/3.34	c |  Parsing time:         0.05         sec                                       |
3.30/3.34	c #varS 2901 #clauseS 12376
3.30/3.34	c REMAP internally 1
3.30/3.34	c After remapping new number of variables: 2334
3.30/3.34	c DBreduced=0 GV=102[0]  GL=12478[ 12376,102] Prune=391 decisions=289 restart=0 est=3.67216e-05 DB Impl=2528[0]  
3.30/3.34	c DBreduced=0 GV=151[0]  GL=12527[ 12376,151] Prune=509 decisions=358 restart=1 est=0.000220353 DB Impl=3516[0]  
3.30/3.34	c DBreduced=0 GV=227[0]  GL=12603[ 12376,227] Prune=680 decisions=453 restart=2 est=0.000128592 DB Impl=4714[0]  
3.30/3.34	c DBreduced=0 GV=339[0]  GL=12715[ 12376,339] Prune=929 decisions=590 restart=3 est=0.000238726 DB Impl=6756[0]  
3.30/3.34	c DBreduced=0 GV=507[0]  GL=12883[ 12376,507] Prune=1286 decisions=779 restart=4 est=0.00020202 DB Impl=9726[0]  
3.30/3.34	c DBreduced=0 GV=760[0]  GL=13136[ 12376,760] Prune=2046 decisions=1286 restart=5 est=0.000183639 DB Impl=15344[0]  
3.30/3.34	c DBreduced=0 GV=1141[0]  GL=13517[ 12376,1141] Prune=3722 decisions=2581 restart=6 est=0.000257145 DB Impl=24155[0]  
3.30/3.34	c DBreduced=0 GV=1709[0]  GL=14085[ 12376,1709] Prune=6056 decisions=4347 restart=7 est=0.000165338 DB Impl=36736[0]  
3.30/3.34	c DBreduced=0 GV=2563[0]  GL=14939[ 12376,2563] Prune=9982 decisions=7419 restart=8 est=0.0002204 DB Impl=58159[0]  
3.30/3.34	c DBreduced=0 GV=3846[0]  GL=16222[ 12376,3846] Prune=15548 decisions=11702 restart=9 est=0.000202004 DB Impl=87562[0]  
3.30/3.34	c DBreduced=1 GV=5767[0]  GL=17317[ 12376,4941] Prune=23532 decisions=17765 restart=10 est=0.000275463 DB Impl=137093[0]  
3.30/3.34	c DBreduced=3 GV=8650[0]  GL=15642[ 12376,3266] Prune=33768 decisions=25118 restart=11 est=0.000238686 DB Impl=230229[0]  
3.30/3.34	c DBreduced=4 GV=12975[0]  GL=17547[ 12376,5171] Prune=48496 decisions=35521 restart=12 est=0.000238647 DB Impl=357122[0]  
3.30/3.34	c DBreduced=6 GV=19462[0]  GL=18588[ 12376,6212] Prune=68429 decisions=48967 restart=13 est=0.000312342 DB Impl=575974[0]  
3.30/3.34	c DBreduced=8 GV=29193[0]  GL=21852[ 12376,9476] Prune=103077 decisions=73884 restart=14 est=0.000275447 DB Impl=936933[0]  
3.30/3.34	c After partial model completion 2383 assignments
3.30/3.34	c REMAP internally 0
3.30/3.34	c Number of variables:  2901
3.30/3.34	c Number of clauses:    18243
3.30/3.34	c #Total time (in seconds): 3.33049
3.30/3.34	c #Memory used (in MB): 5.60938
3.30/3.34	c 
3.30/3.34	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node9/watcher-370109-1177551975 -o ROOT/results/node9/solver-370109-1177551975 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/370109-1177551975/cmusat /tmp/evaluation/370109-1177551975/instance-370109-1177551975.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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: 0.99 0.99 0.92 3/77 17564
/proc/meminfo: memFree=1875688/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=2636 CPUtime=0
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 424 0 0 0 0 0 0 0 18 0 1 0 231235134 2699264 408 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135087825 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 659 408 96 243 0 413 0

[startup+0.105762 s]
/proc/loadavg: 0.99 0.99 0.92 3/77 17564
/proc/meminfo: memFree=1875688/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=4452 CPUtime=0.1
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 886 0 0 0 10 0 0 0 18 0 1 0 231235134 4558848 870 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134531925 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 1113 870 108 243 0 867 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 4452

[startup+0.201773 s]
/proc/loadavg: 0.99 0.99 0.92 3/77 17564
/proc/meminfo: memFree=1875688/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=4776 CPUtime=0.19
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 1050 0 0 0 19 0 0 0 18 0 1 0 231235134 4890624 966 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135243338 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 1194 966 108 243 0 948 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 4776

[startup+0.301786 s]
/proc/loadavg: 0.99 0.99 0.92 3/77 17564
/proc/meminfo: memFree=1875688/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=4424 CPUtime=0.29
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 1205 0 0 0 29 0 0 0 19 0 1 0 231235134 4530176 843 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134591312 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 1106 843 118 243 0 860 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4424

[startup+0.70183 s]
/proc/loadavg: 0.99 0.99 0.92 3/77 17564
/proc/meminfo: memFree=1875688/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=4964 CPUtime=0.69
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 1435 0 0 0 69 0 0 0 22 0 1 0 231235134 5083136 1004 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135107896 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 1241 1004 118 243 0 995 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4964

[startup+1.50292 s]
/proc/loadavg: 0.99 0.99 0.92 2/78 17565
/proc/meminfo: memFree=1871776/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=5380 CPUtime=1.49
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 1691 0 0 0 149 0 0 0 25 0 1 0 231235134 5509120 1109 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134590140 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 1345 1109 118 243 0 1099 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5380

[startup+3.1011 s]
/proc/loadavg: 0.99 0.99 0.92 2/78 17565
/proc/meminfo: memFree=1871008/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=6456 CPUtime=3.08
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 2109 0 0 0 308 0 0 0 25 0 1 0 231235134 6610944 1399 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 1614 1399 118 243 0 1368 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 6456

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

[startup+3.20111 s]
/proc/loadavg: 0.99 0.99 0.92 2/78 17565
/proc/meminfo: memFree=1871008/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=6600 CPUtime=3.18
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 2188 0 0 0 318 0 0 0 25 0 1 0 231235134 6758400 1432 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134578985 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 1650 1432 118 243 0 1404 0
Current children cumulated CPU time (s) 3.18
Current children cumulated vsize (KiB) 6600

[startup+3.30112 s]
/proc/loadavg: 0.99 0.99 0.92 2/78 17565
/proc/meminfo: memFree=1870816/2055920 swapFree=4144404/4192956
[pid=17564] ppid=17562 vsize=5748 CPUtime=3.3
/proc/17564/stat : 17564 (cmusat) R 17562 17564 17047 0 -1 4194304 2195 0 0 0 329 1 0 0 25 0 1 0 231235134 5885952 1225 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134936160 0 0 4096 35 0 0 0 17 1 0 0
/proc/17564/statm: 1437 1225 118 243 0 1191 0
Current children cumulated CPU time (s) 3.3
Current children cumulated vsize (KiB) 5748

Child status: 10
Real time (s): 3.35163
CPU time (s): 3.34449
CPU user time (s): 3.33149
CPU system time (s): 0.012998
CPU usage (%): 99.787
Max. virtual memory (cumulated for all children) (KiB): 6600

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.33149
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2207
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= 11
involuntary context switches= 8

runsolver used 0.003999 second user time and 0.015997 second system time

The end

Launcher Data (download as text)

Begin job on node9 on Thu Apr 26 01:46:16 UTC 2007

IDJOB= 370109
IDBENCH= 24596
IDSOLVER= 182
FILE ID= node9/370109-1177551975

PBS_JOBID= 4696601

Free space on /tmp= 66433 MiB

SOLVER NAME= CMUSAT 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/370109-1177551975/cmusat /tmp/evaluation/370109-1177551975/instance-370109-1177551975.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-370109-1177551975 -o ROOT/results/node9/solver-370109-1177551975 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/370109-1177551975/cmusat /tmp/evaluation/370109-1177551975/instance-370109-1177551975.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  0a1b9434c65125233161905ac395e7f3

RANDOM SEED= 317573371

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node9.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		: 3000.221
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		: 3000.221
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:       1876096 kB
Buffers:         30812 kB
Cached:          77808 kB
SwapCached:      16432 kB
Active:         100836 kB
Inactive:        35008 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1876096 kB
SwapTotal:     4192956 kB
SwapFree:      4144404 kB
Dirty:            3232 kB
Writeback:           0 kB
Mapped:          33208 kB
Slab:            29456 kB
Committed_AS:  6637112 kB
PageTables:       1788 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= 66433 MiB

End job on node9 on Thu Apr 26 01:46:19 UTC 2007