Trace number 1725641

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
VARSAT-industrial 2009-03-22SAT 7.01293 7.01697

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 benchmark1.72974
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 

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                                                |
0.00/0.05	c |  Parsing time:         0.05         s                                       |
0.00/0.05	c |  Timeout:              43200 s
0.00/0.05	c |  Random Seed:          97907409.000000
0.00/0.05	c |  Heuristic:            EMBP-G, threshold 0.950                              |
0.00/0.05	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.05	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.05	c |                                                                             |
0.19/0.20	c ============================[ Search Statistics ]==============================
0.19/0.20	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.20	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.20	c ===============================================================================
0.19/0.20	c |         0 |    1861    10240    65342 |     3413        0    nan |  0.000 % |
0.19/0.27	c |       100 |    1861    10240    65342 |     3754      100     11 |  2.341 % |
0.29/0.35	c |       250 |    1861    10240    65342 |     4130      250     11 |  2.341 % |
0.39/0.42	c |       475 |    1861    10240    65342 |     4543      475     12 |  2.341 % |
0.49/0.50	c |       812 |    1861    10240    65342 |     4997      812     12 |  2.341 % |
0.49/0.59	c |      1318 |    1861    10240    65342 |     5497     1318     13 |  2.341 % |
0.59/0.68	c |      2077 |    1861    10240    65342 |     6046     2077     14 |  2.341 % |
0.79/0.80	c |      3216 |    1861    10240    65342 |     6651     3216     15 |  2.341 % |
0.89/0.94	c |      4924 |    1861    10240    65342 |     7316     4924     15 |  2.341 % |
1.09/1.19	c |      7486 |    1861    10240    65342 |     8048     3754     17 |  2.341 % |
1.49/1.50	c |     11330 |    1861    10240    65342 |     8853     7598     20 |  2.341 % |
1.99/2.10	c |     17096 |    1861    10240    65342 |     9738     8834     25 |  2.341 % |
2.99/3.09	c |     25745 |    1861    10240    65342 |    10712     7598     26 |  2.341 % |
4.59/4.67	c |     38721 |    1861    10240    65342 |    11783     9707     26 |  2.341 % |
6.98/7.01	c ===============================================================================
6.98/7.01	c surveys--CPU time (sec)   : 0.9978         (14.25 % of total)
6.98/7.01	c surveys--attempted        : 14             (14 /sec)
6.98/7.01	c surveys--converged        : 14             (100.00 % successful)
6.98/7.01	c restarts              : 14
6.98/7.01	c conflicts             : 55586          (9258 /sec)
6.98/7.01	c decisions             : 107335         (1.86 % random) (17877 /sec)
6.98/7.01	c propagations          : 3113603        (518581 /sec)
6.98/7.01	c conflict literals     : 1528335        (29.73 % deleted)
6.98/7.01	c Memory used           : 7.72 MB
6.98/7.01	c Total CPU time (sec)      : 7.0019      
6.98/7.01	c 
6.98/7.01	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1725641-1240705891/watcher-1725641-1240705891 -o /tmp/evaluation-result-1725641-1240705891/solver-1725641-1240705891 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-industrial_static -seed=97907409 HOME/instance-1725641-1240705891.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): 1800 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 3/64 3905
/proc/meminfo: memFree=1403048/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=2788 CPUtime=0
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 433 0 0 0 0 0 0 0 18 0 1 0 98617136 2854912 418 1992294400 4194304 5102648 548682068800 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 697 418 87 221 0 473 0

[startup+0.062863 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 3905
/proc/meminfo: memFree=1403048/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=6320 CPUtime=0.05
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1307 0 0 0 5 0 0 0 18 0 1 0 98617136 6471680 1292 1992294400 4194304 5102648 548682068800 18446744073709551615 4273172 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1580 1292 99 221 0 1356 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 6320

[startup+0.101866 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 3905
/proc/meminfo: memFree=1403048/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=6392 CPUtime=0.09
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1319 0 0 0 9 0 0 0 18 0 1 0 98617136 6545408 1304 1992294400 4194304 5102648 548682068800 18446744073709551615 4273072 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1598 1304 99 221 0 1374 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6392

[startup+0.301884 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 3905
/proc/meminfo: memFree=1403048/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=6572 CPUtime=0.29
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1472 0 0 0 29 0 0 0 19 0 1 0 98617136 6729728 1376 1992294400 4194304 5102648 548682068800 18446744073709551615 4214101 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1643 1376 115 221 0 1419 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6572

[startup+0.70192 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 3905
/proc/meminfo: memFree=1403048/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=6572 CPUtime=0.69
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1472 0 0 0 69 0 0 0 22 0 1 0 98617136 6729728 1376 1992294400 4194304 5102648 548682068800 18446744073709551615 4214253 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1643 1376 115 221 0 1419 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6572

[startup+1.50199 s]
/proc/loadavg: 0.91 0.95 0.98 2/65 3906
/proc/meminfo: memFree=1397728/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=6572 CPUtime=1.49
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1472 0 0 0 149 0 0 0 25 0 1 0 98617136 6729728 1376 1992294400 4194304 5102648 548682068800 18446744073709551615 4249881 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1643 1376 115 221 0 1419 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6572

[startup+3.10113 s]
/proc/loadavg: 0.91 0.95 0.98 2/65 3906
/proc/meminfo: memFree=1397600/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=6836 CPUtime=3.09
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1568 0 0 0 309 0 0 0 25 0 1 0 98617136 7000064 1472 1992294400 4194304 5102648 548682068800 18446744073709551615 4215214 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1709 1472 115 221 0 1485 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6836

[startup+6.30141 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 3906
/proc/meminfo: memFree=1396512/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=7636 CPUtime=6.29
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1762 0 0 0 629 0 0 0 25 0 1 0 98617136 7819264 1666 1992294400 4194304 5102648 548682068800 18446744073709551615 4249384 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1909 1666 115 221 0 1685 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7636

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

[startup+6.70145 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 3906
/proc/meminfo: memFree=1396448/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=7904 CPUtime=6.68
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1808 0 0 0 668 0 0 0 25 0 1 0 98617136 8093696 1712 1992294400 4194304 5102648 548682068800 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1976 1712 115 221 0 1752 0
Current children cumulated CPU time (s) 6.68
Current children cumulated vsize (KiB) 7904

[startup+6.90146 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 3906
/proc/meminfo: memFree=1396448/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=7904 CPUtime=6.88
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1813 0 0 0 688 0 0 0 25 0 1 0 98617136 8093696 1717 1992294400 4194304 5102648 548682068800 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1976 1717 115 221 0 1752 0
Current children cumulated CPU time (s) 6.88
Current children cumulated vsize (KiB) 7904

[startup+7.00147 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 3906
/proc/meminfo: memFree=1396448/2055920 swapFree=4192956/4192956
[pid=3905] ppid=3903 vsize=7904 CPUtime=6.98
/proc/3905/stat : 3905 (varsat-industri) R 3903 3905 3784 0 -1 4194304 1821 0 0 0 698 0 0 0 25 0 1 0 98617136 8093696 1725 1992294400 4194304 5102648 548682068800 18446744073709551615 4249360 0 0 4096 3 0 0 0 17 1 0 0
/proc/3905/statm: 1976 1725 115 221 0 1752 0
Current children cumulated CPU time (s) 6.98
Current children cumulated vsize (KiB) 7904

Child status: 10
Real time (s): 7.01697
CPU time (s): 7.01293
CPU user time (s): 7.00294
CPU system time (s): 0.009998
CPU usage (%): 99.9425
Max. virtual memory (cumulated for all children) (KiB): 7904

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.00293
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1826
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= 2
involuntary context switches= 33

runsolver used 0.012998 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node50 at 2009-04-26 02:31:31
IDJOB=1725641
IDBENCH=24594
IDSOLVER=538
FILE ID=node50/1725641-1240705891
PBS_JOBID= 9186815
Free space on /tmp= 66520 MiB

SOLVER NAME= VARSAT-industrial 2009-03-22
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= HOME/varsat-industrial_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725641-1240705891/watcher-1725641-1240705891 -o /tmp/evaluation-result-1725641-1240705891/solver-1725641-1240705891 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-industrial_static -seed=97907409 HOME/instance-1725641-1240705891.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=97907409

node50.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.216
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		: 3000.216
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:       1403464 kB
Buffers:         90468 kB
Cached:         460536 kB
SwapCached:          0 kB
Active:         166272 kB
Inactive:       398636 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1403464 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            1600 kB
Writeback:           0 kB
Mapped:          23668 kB
Slab:            73536 kB
Committed_AS:   309608 kB
PageTables:       1448 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= 66520 MiB
End job on node50 at 2009-04-26 02:31:38