Trace number 333069

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
minisat SAT 2007 (with assertions)SAT 2.6166 2.61856

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 benchmark2.43863
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 (download as text)

0.00/0.00	c This is MiniSat 2.0 (Feb 1 2007, SAT-Competition version)
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  2737                                                 |
0.00/0.00	c |  Number of clauses:    18375                                                |
0.02/0.06	c |  Parsing time:         0.06         s                                       |
0.19/0.21	c ============================[ Search Statistics ]==============================
0.19/0.21	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.21	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.21	c ===============================================================================
0.19/0.21	c |         0 |    2132    12073    77654 |     4024        0    nan |  0.000 % |
0.19/0.22	c |       100 |    2132    12073    77654 |     4426      100     11 |  2.083 % |
0.19/0.22	c |       251 |    2132    12073    77654 |     4869      251     13 |  2.083 % |
0.19/0.23	c |       476 |    2132    12073    77654 |     5356      476     14 |  2.083 % |
0.19/0.24	c |       815 |    2132    12073    77654 |     5892      815     14 |  2.083 % |
0.19/0.26	c |      1323 |    2132    12073    77654 |     6481     1323     14 |  2.083 % |
0.19/0.28	c |      2083 |    2132    12073    77654 |     7129     2083     14 |  2.083 % |
0.29/0.33	c |      3223 |    2132    12073    77654 |     7842     3223     15 |  2.083 % |
0.39/0.41	c |      4932 |    2132    12073    77654 |     8626     4932     17 |  2.083 % |
0.49/0.59	c |      7494 |    2132    12073    77654 |     9489     7494     18 |  2.083 % |
0.89/0.90	c |     11338 |    2132    12073    77654 |    10438     6446     20 |  2.083 % |
1.49/1.57	c |     17105 |    2132    12073    77654 |    11481     6904     26 |  2.083 % |
2.59/2.60	c ===============================================================================
2.59/2.60	c Verified 12073 original clauses.
2.59/2.61	c Verified 2765 eliminated clauses.
2.59/2.61	c restarts              : 12
2.59/2.61	c conflicts             : 24516          (9416 /sec)
2.59/2.61	c decisions             : 55311          (1.95 % random) (21244 /sec)
2.59/2.61	c propagations          : 1477792        (567595 /sec)
2.59/2.61	c conflict literals     : 605592         (28.37 % deleted)
2.59/2.61	c Memory used           : 4.69 MB
2.59/2.61	c CPU time              : 2.6036 s
2.59/2.61	c 
2.59/2.61	s SATISFIABLE
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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/node12/watcher-333069-1173501188 -o ROOT/results/node12/solver-333069-1173501188 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333069-1173501188/minisat /tmp/evaluation/333069-1173501188/instance-333069-1173501188.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 20373
/proc/meminfo: memFree=1691056/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=2208 CPUtime=0
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 377 0 0 0 0 0 0 0 18 0 1 0 370073228 2260992 361 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134562122 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 552 361 58 138 0 411 0

[startup+0.0242839 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 20373
/proc/meminfo: memFree=1691056/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=2740 CPUtime=0.02
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 519 0 0 0 2 0 0 0 18 0 1 0 370073228 2805760 503 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134707275 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 685 503 58 138 0 544 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2740

[startup+0.101308 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 20373
/proc/meminfo: memFree=1691056/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=3844 CPUtime=0.09
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 806 0 0 0 9 0 0 0 18 0 1 0 370073228 3936256 790 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134530780 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 961 790 71 138 0 820 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3844

[startup+0.301333 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 20373
/proc/meminfo: memFree=1691056/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=3976 CPUtime=0.29
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 890 0 0 0 29 0 0 0 19 0 1 0 370073228 4071424 829 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550652 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 994 829 74 138 0 853 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3976

[startup+0.701404 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 20373
/proc/meminfo: memFree=1691056/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=4136 CPUtime=0.69
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 896 0 0 0 69 0 0 0 23 0 1 0 370073228 4235264 835 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134551032 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 1034 835 74 138 0 893 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4136

[startup+1.50155 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 20374
/proc/meminfo: memFree=1687848/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=4400 CPUtime=1.49
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 995 0 0 0 149 0 0 0 25 0 1 0 370073228 4505600 934 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550732 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 1100 934 74 138 0 959 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4400

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

[startup+2.30269 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 20374
/proc/meminfo: memFree=1687208/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=4796 CPUtime=2.29
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 1080 0 0 0 229 0 0 0 25 0 1 0 370073228 4911104 1019 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550985 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 1199 1019 74 138 0 1058 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 4796

[startup+2.50274 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 20374
/proc/meminfo: memFree=1687208/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=4796 CPUtime=2.49
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 1080 0 0 0 249 0 0 0 25 0 1 0 370073228 4911104 1019 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550596 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 1199 1019 74 138 0 1058 0
Current children cumulated CPU time (s) 2.49
Current children cumulated vsize (KiB) 4796

[startup+2.60175 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 20374
/proc/meminfo: memFree=1687208/2055920 swapFree=4156588/4192956
[pid=20373] ppid=20371 vsize=4796 CPUtime=2.59
/proc/20373/stat : 20373 (minisat) R 20371 20373 17897 0 -1 4194304 1080 0 0 0 259 0 0 0 25 0 1 0 370073228 4911104 1019 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550573 0 0 4096 3 0 0 0 17 1 0 0
/proc/20373/statm: 1199 1019 74 138 0 1058 0
Current children cumulated CPU time (s) 2.59
Current children cumulated vsize (KiB) 4796

Child status: 0
Real time (s): 2.61856
CPU time (s): 2.6166
CPU user time (s): 2.6096
CPU system time (s): 0.006998
CPU usage (%): 99.9253
Max. virtual memory (cumulated for all children) (KiB): 4796

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.6096
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1086
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= 6

runsolver used 0.004999 second user time and 0.010998 second system time

The end

Launcher Data (download as text)

Begin job on node12 on Sat Mar 10 04:33:08 UTC 2007

IDJOB= 333069
IDBENCH= 24595
IDSOLVER= 109
FILE ID= node12/333069-1173501188

PBS_JOBID= 4101096

Free space on /tmp= 66417 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333069-1173501188/minisat /tmp/evaluation/333069-1173501188/instance-333069-1173501188.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node12/watcher-333069-1173501188 -o ROOT/results/node12/solver-333069-1173501188 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333069-1173501188/minisat /tmp/evaluation/333069-1173501188/instance-333069-1173501188.cnf            

META MD5SUM SOLVER= 120abd248b069e44985635f055606c5a
MD5SUM BENCH=  74af041eb51b172e799baf4bb7eaa52f

RANDOM SEED= 575903474

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node12.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		: 3000.285
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		: 3000.285
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:       1691464 kB
Buffers:         39700 kB
Cached:         251004 kB
SwapCached:      15228 kB
Active:         213104 kB
Inactive:       100964 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1691464 kB
SwapTotal:     4192956 kB
SwapFree:      4156588 kB
Dirty:            1560 kB
Writeback:           0 kB
Mapped:          29776 kB
Slab:            35968 kB
Committed_AS:  1626052 kB
PageTables:       1692 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= 66417 MiB

End job on node12 on Sat Mar 10 04:33:11 UTC 2007