Trace number 1784692

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 11.6892 11.6924

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 benchmark2.00169
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                                                |
0.02/0.05	c |  Parsing time:         0.05         s                                       |
0.02/0.05	c |  Timeout:              43200 s
0.02/0.05	c |  Random Seed:          1451267946.000000
0.02/0.05	c |  Heuristic:            EMBP-G, threshold 0.950                              |
0.02/0.05	c |  Branching Rule:       default (solution-guided)                            |
0.02/0.05	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.02/0.05	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     12 |  2.341 % |
0.39/0.42	c |       475 |    1861    10240    65342 |     4543      475     13 |  2.341 % |
0.49/0.50	c |       812 |    1861    10240    65342 |     4997      812     13 |  2.341 % |
0.49/0.59	c |      1318 |    1861    10240    65342 |     5497     1318     14 |  2.341 % |
0.59/0.68	c |      2077 |    1861    10240    65342 |     6046     2077     14 |  2.341 % |
0.69/0.80	c |      3216 |    1861    10240    65342 |     6651     3216     15 |  2.341 % |
0.89/0.95	c |      4924 |    1861    10240    65342 |     7316     4924     16 |  2.341 % |
1.09/1.19	c |      7486 |    1861    10240    65342 |     8048     7486     17 |  2.341 % |
1.49/1.56	c |     11331 |    1861    10240    65342 |     8853     7175     21 |  2.341 % |
2.09/2.14	c |     17099 |    1861    10240    65342 |     9738     8407     24 |  2.341 % |
3.10/3.13	c |     25750 |    1861    10240    65342 |    10712     7147     23 |  2.341 % |
4.49/4.56	c |     38725 |    1861    10240    65342 |    11783     9209     24 |  2.341 % |
6.99/7.08	c |     58186 |    1861    10240    65342 |    12962    10786     26 |  2.341 % |
11.29/11.40	c |     87380 |    1861    10240    65342 |    14258     7125     24 |  2.341 % |
11.59/11.68	c ===============================================================================
11.59/11.69	c surveys--CPU time (sec)   : 1.1498         (9.85 % of total)
11.59/11.69	c surveys--attempted        : 16             (14 /sec)
11.59/11.69	c surveys--converged        : 16             (100.00 % successful)
11.59/11.69	c restarts              : 16
11.59/11.69	c conflicts             : 89579          (8513 /sec)
11.59/11.69	c decisions             : 159097         (1.87 % random) (15120 /sec)
11.59/11.69	c propagations          : 5378282        (511127 /sec)
11.59/11.69	c conflict literals     : 2466036        (31.22 % deleted)
11.59/11.69	c Memory used           : 7.91 MB
11.59/11.69	c Total CPU time (sec)      : 11.6722     
11.59/11.69	c 
11.59/11.69	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-1784692-1241864605/watcher-1784692-1241864605 -o /tmp/evaluation-result-1784692-1241864605/solver-1784692-1241864605 -C 5000 -W 6000 -M 1800 HOME/varsat-industrial_static -seed=1451267946 HOME/instance-1784692-1241864605.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): 6000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 27517
/proc/meminfo: memFree=1895608/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=2788 CPUtime=0
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 437 0 0 0 0 0 0 0 18 0 1 0 214493688 2854912 422 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 697 423 87 221 0 473 0

[startup+0.0316199 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 27517
/proc/meminfo: memFree=1895608/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=4848 CPUtime=0.02
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 917 0 0 0 2 0 0 0 18 0 1 0 214493688 4964352 902 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 1212 903 87 221 0 988 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4848

[startup+0.101627 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 27517
/proc/meminfo: memFree=1895608/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=6392 CPUtime=0.09
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1319 0 0 0 9 0 0 0 18 0 1 0 214493688 6545408 1304 1992294400 4194304 5102648 548682068784 18446744073709551615 4272870 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 1598 1304 99 221 0 1374 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6392

[startup+0.30165 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 27517
/proc/meminfo: memFree=1895608/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=6572 CPUtime=0.29
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1469 0 0 0 29 0 0 0 19 0 1 0 214493688 6729728 1373 1992294400 4194304 5102648 548682068784 18446744073709551615 4213899 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 1643 1373 112 221 0 1419 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6572

[startup+0.701695 s]
/proc/loadavg: 0.99 0.97 0.91 3/65 27517
/proc/meminfo: memFree=1895608/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=6572 CPUtime=0.69
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1472 0 0 0 69 0 0 0 22 0 1 0 214493688 6729728 1376 1992294400 4194304 5102648 548682068784 18446744073709551615 4215244 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 1643 1376 115 221 0 1419 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6572

[startup+1.50178 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 27518
/proc/meminfo: memFree=1890288/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=6572 CPUtime=1.49
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1472 0 0 0 149 0 0 0 25 0 1 0 214493688 6729728 1376 1992294400 4194304 5102648 548682068784 18446744073709551615 4249753 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 1643 1376 115 221 0 1419 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6572

[startup+3.10297 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 27518
/proc/meminfo: memFree=1890160/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=6836 CPUtime=3.1
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1564 0 0 0 309 1 0 0 25 0 1 0 214493688 7000064 1468 1992294400 4194304 5102648 548682068784 18446744073709551615 4250272 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 1709 1468 115 221 0 1485 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 6836

[startup+6.30133 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 27518
/proc/meminfo: memFree=1889392/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=7640 CPUtime=6.29
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1745 0 0 0 628 1 0 0 25 0 1 0 214493688 7823360 1649 1992294400 4194304 5102648 548682068784 18446744073709551615 4249872 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 1910 1649 115 221 0 1686 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7640

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

[startup+9.50169 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 27518
/proc/meminfo: memFree=1888816/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=8100 CPUtime=9.49
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1867 0 0 0 948 1 0 0 25 0 1 0 214493688 8294400 1771 1992294400 4194304 5102648 548682068784 18446744073709551615 4254617 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 2025 1771 115 221 0 1801 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 8100

[startup+10.3018 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 27518
/proc/meminfo: memFree=1888752/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=8100 CPUtime=10.29
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1870 0 0 0 1028 1 0 0 25 0 1 0 214493688 8294400 1774 1992294400 4194304 5102648 548682068784 18446744073709551615 4249872 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 2025 1774 115 221 0 1801 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 8100

[startup+11.1019 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 27518
/proc/meminfo: memFree=1888560/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=8100 CPUtime=11.09
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1875 0 0 0 1108 1 0 0 25 0 1 0 214493688 8294400 1779 1992294400 4194304 5102648 548682068784 18446744073709551615 4249862 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 2025 1779 115 221 0 1801 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 8100

[startup+11.5029 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 27518
/proc/meminfo: memFree=1888560/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=8100 CPUtime=11.49
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1875 0 0 0 1148 1 0 0 25 0 1 0 214493688 8294400 1779 1992294400 4194304 5102648 548682068784 18446744073709551615 4254881 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 2025 1779 115 221 0 1801 0
Current children cumulated CPU time (s) 11.49
Current children cumulated vsize (KiB) 8100

[startup+11.6029 s]
/proc/loadavg: 0.99 0.97 0.91 2/66 27518
/proc/meminfo: memFree=1888560/2055920 swapFree=4159908/4192956
[pid=27517] ppid=27515 vsize=8100 CPUtime=11.59
/proc/27517/stat : 27517 (varsat-industri) R 27515 27517 27111 0 -1 4194304 1875 0 0 0 1158 1 0 0 25 0 1 0 214493688 8294400 1779 1992294400 4194304 5102648 548682068784 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/27517/statm: 2025 1779 115 221 0 1801 0
Current children cumulated CPU time (s) 11.59
Current children cumulated vsize (KiB) 8100

Child status: 10
Real time (s): 11.6924
CPU time (s): 11.6892
CPU user time (s): 11.6722
CPU system time (s): 0.016997
CPU usage (%): 99.9725
Max. virtual memory (cumulated for all children) (KiB): 8100

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.6722
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1880
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= 12

runsolver used 0.018997 second user time and 0.030995 second system time

The end

Launcher Data 

Begin job on node32 at 2009-05-09 12:23:25
IDJOB=1784692
IDBENCH=24594
IDSOLVER=641
FILE ID=node32/1784692-1241864605
PBS_JOBID= 9264580
Free space on /tmp= 66032 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-1784692-1241864605/watcher-1784692-1241864605 -o /tmp/evaluation-result-1784692-1241864605/solver-1784692-1241864605 -C 5000 -W 6000 -M 1800  HOME/varsat-industrial_static -seed=1451267946 HOME/instance-1784692-1241864605.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=1451267946

node32.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:       1896088 kB
Buffers:         24264 kB
Cached:          69284 kB
SwapCached:      26540 kB
Active:          86104 kB
Inactive:        35388 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1896088 kB
SwapTotal:     4192956 kB
SwapFree:      4159908 kB
Dirty:            1704 kB
Writeback:           0 kB
Mapped:          14188 kB
Slab:            24104 kB
Committed_AS:   746700 kB
PageTables:       1488 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66032 MiB
End job on node32 at 2009-05-09 12:23:37