Trace number 333027

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 2.98854 2.9927

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)

0.00/0.00	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:  2435                                                 |
0.00/0.00	c |  Number of clauses:    16016                                                |
0.01/0.05	c |  Parsing time:         0.05         s                                       |
0.09/0.18	c ============================[ Search Statistics ]==============================
0.09/0.18	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.18	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.18	c ===============================================================================
0.09/0.18	c |         0 |    1861    10240    65342 |     3413        0    nan |  0.000 % |
0.09/0.18	c |       101 |    1861    10240    65342 |     3754      101     12 |  2.341 % |
0.09/0.19	c |       252 |    1861    10240    65342 |     4130      252     13 |  2.341 % |
0.09/0.19	c |       477 |    1861    10240    65342 |     4543      477     13 |  2.341 % |
0.19/0.20	c |       814 |    1861    10240    65342 |     4997      814     13 |  2.341 % |
0.19/0.21	c |      1321 |    1861    10240    65342 |     5497     1321     14 |  2.341 % |
0.19/0.24	c |      2081 |    1861    10240    65342 |     6046     2081     14 |  2.341 % |
0.19/0.28	c |      3220 |    1861    10240    65342 |     6651     3220     14 |  2.341 % |
0.29/0.34	c |      4928 |    1861    10240    65342 |     7316     4928     14 |  2.341 % |
0.39/0.46	c |      7491 |    1861    10240    65342 |     8048     7491     15 |  2.341 % |
0.69/0.72	c |     11335 |    1861    10240    65342 |     8853     7207     20 |  2.341 % |
1.00/1.09	c |     17103 |    1861    10240    65342 |     9738     8410     18 |  2.341 % |
1.89/1.94	c |     25752 |    1861    10240    65342 |    10712     7140     22 |  2.341 % |
2.89/2.98	c ===============================================================================
2.89/2.98	c Verified 10240 original clauses.
2.89/2.98	c Verified 2750 eliminated clauses.
2.89/2.98	c restarts              : 13
2.89/2.98	c conflicts             : 34846          (11703 /sec)
2.89/2.98	c decisions             : 89787          (1.88 % random) (30155 /sec)
2.89/2.98	c propagations          : 1721237        (578072 /sec)
2.89/2.98	c conflict literals     : 743367         (26.07 % deleted)
2.89/2.98	c Memory used           : 4.30 MB
2.89/2.98	c CPU time              : 2.97755 s
2.89/2.98	c 
2.89/2.98	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/node15/watcher-333027-1173500169 -o ROOT/results/node15/solver-333027-1173500169 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333027-1173500169/minisat /tmp/evaluation/333027-1173500169/instance-333027-1173500169.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: 0.99 0.97 0.98 3/77 17154
/proc/meminfo: memFree=1564224/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=2208 CPUtime=0
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 335 0 0 0 0 0 0 0 18 0 1 0 369971242 2260992 319 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134563645 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 552 319 58 138 0 411 0

[startup+0.0135679 s]
/proc/loadavg: 0.99 0.97 0.98 3/77 17154
/proc/meminfo: memFree=1564224/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=2484 CPUtime=0.01
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 409 0 0 0 1 0 0 0 18 0 1 0 369971242 2543616 393 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134563622 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 621 393 58 138 0 480 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2484

[startup+0.101583 s]
/proc/loadavg: 0.99 0.97 0.98 3/77 17154
/proc/meminfo: memFree=1564224/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=3740 CPUtime=0.09
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 730 0 0 0 9 0 0 0 18 0 1 0 369971242 3829760 714 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134526283 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 935 714 71 138 0 794 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3740

[startup+0.301617 s]
/proc/loadavg: 0.99 0.97 0.98 3/77 17154
/proc/meminfo: memFree=1564224/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=3872 CPUtime=0.29
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 820 0 0 0 29 0 0 0 19 0 1 0 369971242 3964928 763 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134553005 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 968 763 73 138 0 827 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3872

[startup+0.701686 s]
/proc/loadavg: 0.99 0.97 0.98 3/77 17154
/proc/meminfo: memFree=1564224/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=3872 CPUtime=0.69
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 823 0 0 0 69 0 0 0 22 0 1 0 369971242 3964928 766 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134551837 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 968 766 73 138 0 827 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3872

[startup+1.50182 s]
/proc/loadavg: 0.99 0.97 0.98 2/78 17155
/proc/meminfo: memFree=1561208/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=4004 CPUtime=1.49
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 865 0 0 0 149 0 0 0 25 0 1 0 369971242 4100096 808 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134551032 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 1001 808 73 138 0 860 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4004

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

[startup+2.30196 s]
/proc/loadavg: 0.99 0.97 0.98 2/78 17155
/proc/meminfo: memFree=1561016/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=4400 CPUtime=2.29
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 944 0 0 0 229 0 0 0 25 0 1 0 369971242 4505600 887 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550741 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 1100 887 73 138 0 959 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 4400

[startup+2.70203 s]
/proc/loadavg: 0.99 0.97 0.98 2/78 17155
/proc/meminfo: memFree=1561016/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=4400 CPUtime=2.69
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 952 0 0 0 269 0 0 0 25 0 1 0 369971242 4505600 895 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134551027 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 1100 895 73 138 0 959 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 4400

[startup+2.90106 s]
/proc/loadavg: 0.99 0.97 0.98 2/78 17155
/proc/meminfo: memFree=1561016/2055920 swapFree=4152672/4192956
[pid=17154] ppid=17152 vsize=4400 CPUtime=2.89
/proc/17154/stat : 17154 (minisat) R 17152 17154 15467 0 -1 4194304 956 0 0 0 289 0 0 0 25 0 1 0 369971242 4505600 899 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550741 0 0 4096 3 0 0 0 17 1 0 0
/proc/17154/statm: 1100 899 73 138 0 959 0
Current children cumulated CPU time (s) 2.89
Current children cumulated vsize (KiB) 4400

Child status: 0
Real time (s): 2.9927
CPU time (s): 2.98854
CPU user time (s): 2.98255
CPU system time (s): 0.005999
CPU usage (%): 99.8611
Max. virtual memory (cumulated for all children) (KiB): 4400

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.98255
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 967
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= 5

runsolver used 0.002999 second user time and 0.012998 second system time

The end

Launcher Data (download as text)

Begin job on node15 on Sat Mar 10 04:16:09 UTC 2007

IDJOB= 333027
IDBENCH= 24594
IDSOLVER= 109
FILE ID= node15/333027-1173500169

PBS_JOBID= 4101110

Free space on /tmp= 66530 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333027-1173500169/minisat /tmp/evaluation/333027-1173500169/instance-333027-1173500169.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node15/watcher-333027-1173500169 -o ROOT/results/node15/solver-333027-1173500169 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333027-1173500169/minisat /tmp/evaluation/333027-1173500169/instance-333027-1173500169.cnf            

META MD5SUM SOLVER= 120abd248b069e44985635f055606c5a
MD5SUM BENCH=  51245c7b8edb32c4dbd94daf982c00d7

RANDOM SEED= 420558653

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:       1564632 kB
Buffers:         49472 kB
Cached:         353624 kB
SwapCached:       2796 kB
Active:         250912 kB
Inactive:       175316 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1564632 kB
SwapTotal:     4192956 kB
SwapFree:      4152672 kB
Dirty:            1472 kB
Writeback:           0 kB
Mapped:          30076 kB
Slab:            50544 kB
Committed_AS:  1306448 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 04:16:12 UTC 2007