Trace number 1784698

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 4.12937 4.13094

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 benchmark2.47462
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

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                                                |
0.03/0.05	c |  Parsing time:         0.05         s                                       |
0.03/0.05	c |  Timeout:              43200 s
0.03/0.05	c |  Random Seed:          1969278380.000000
0.03/0.05	c |  Heuristic:            EMBP-G, threshold 0.950                              |
0.03/0.05	c |  Branching Rule:       default (solution-guided)                            |
0.03/0.05	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.03/0.05	c |                                                                             |
0.19/0.22	c ============================[ Search Statistics ]==============================
0.19/0.22	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.22	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.22	c ===============================================================================
0.19/0.22	c |         0 |    2132    12073    77654 |     4024        0    nan |  0.000 % |
0.29/0.30	c |       100 |    2132    12073    77654 |     4426      100     10 |  2.083 % |
0.29/0.38	c |       250 |    2132    12073    77654 |     4869      250     13 |  2.083 % |
0.39/0.45	c |       480 |    2132    12073    77654 |     5356      480     13 |  2.083 % |
0.49/0.54	c |       817 |    2132    12073    77654 |     5892      817     13 |  2.083 % |
0.59/0.64	c |      1326 |    2132    12073    77654 |     6481     1326     15 |  2.083 % |
0.69/0.75	c |      2085 |    2132    12073    77654 |     7129     2085     15 |  2.083 % |
0.79/0.86	c |      3224 |    2132    12073    77654 |     7842     3224     15 |  2.083 % |
0.99/1.01	c |      4932 |    2132    12073    77654 |     8626     4932     16 |  2.083 % |
1.19/1.22	c |      7495 |    2132    12073    77654 |     9489     7495     17 |  2.083 % |
1.49/1.59	c |     11340 |    2132    12073    77654 |    10438     6522     21 |  2.083 % |
2.09/2.14	c |     17107 |    2132    12073    77654 |    11481     6976     22 |  2.083 % |
2.99/3.02	c |     25756 |    2132    12073    77654 |    12630     9765     25 |  2.083 % |
4.09/4.12	c ===============================================================================
4.09/4.12	c surveys--CPU time (sec)   : 1.0488         (25.46 % of total)
4.09/4.12	c surveys--attempted        : 13             (12 /sec)
4.09/4.12	c surveys--converged        : 13             (100.00 % successful)
4.09/4.12	c restarts              : 13
4.09/4.12	c conflicts             : 34554          (11253 /sec)
4.09/4.12	c decisions             : 82146          (1.86 % random) (26753 /sec)
4.09/4.12	c propagations          : 1813883        (590739 /sec)
4.09/4.12	c conflict literals     : 823090         (26.23 % deleted)
4.09/4.12	c Memory used           : 7.83 MB
4.09/4.12	c Total CPU time (sec)      : 4.1194      
4.09/4.12	c 
4.09/4.12	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-1784698-1241864711/watcher-1784698-1241864711 -o /tmp/evaluation-result-1784698-1241864711/solver-1784698-1241864711 -C 5000 -W 6000 -M 1800 HOME/varsat-industrial_static -seed=1969278380 HOME/instance-1784698-1241864711.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: 1.00 1.00 0.91 3/65 27535
/proc/meminfo: memFree=1832808/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=2888 CPUtime=0
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 484 0 0 0 0 0 0 0 20 0 1 0 214500105 2957312 469 1992294400 4194304 5102648 548682068784 18446744073709551615 4494927 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 722 469 87 221 0 498 0

[startup+0.0366601 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27535
/proc/meminfo: memFree=1832808/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=5304 CPUtime=0.03
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 1073 0 0 0 3 0 0 0 20 0 1 0 214500105 5431296 1058 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 1326 1058 87 221 0 1102 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5304

[startup+0.101672 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27535
/proc/meminfo: memFree=1832808/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=6980 CPUtime=0.09
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 1506 0 0 0 9 0 0 0 20 0 1 0 214500105 7147520 1491 1992294400 4194304 5102648 548682068784 18446744073709551615 4272870 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 1745 1491 99 221 0 1521 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6980

[startup+0.301713 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27535
/proc/meminfo: memFree=1832808/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=7232 CPUtime=0.29
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 1639 0 0 0 29 0 0 0 22 0 1 0 214500105 7405568 1534 1992294400 4194304 5102648 548682068784 18446744073709551615 4214159 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 1808 1534 102 221 0 1584 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7232

[startup+0.702794 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27535
/proc/meminfo: memFree=1832808/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=7232 CPUtime=0.69
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 1649 0 0 0 69 0 0 0 25 0 1 0 214500105 7405568 1544 1992294400 4194304 5102648 548682068784 18446744073709551615 4213956 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 1808 1544 112 221 0 1584 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7232

[startup+1.50196 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27536
/proc/meminfo: memFree=1826848/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=7232 CPUtime=1.49
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 1666 0 0 0 149 0 0 0 25 0 1 0 214500105 7405568 1561 1992294400 4194304 5102648 548682068784 18446744073709551615 4250276 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 1808 1561 112 221 0 1584 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7232

[startup+3.10128 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27536
/proc/meminfo: memFree=1826720/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=7628 CPUtime=3.09
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 1772 0 0 0 309 0 0 0 25 0 1 0 214500105 7811072 1667 1992294400 4194304 5102648 548682068784 18446744073709551615 4213798 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 1907 1667 112 221 0 1683 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7628

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

[startup+3.90144 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27536
/proc/meminfo: memFree=1826400/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=8012 CPUtime=3.89
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 1836 0 0 0 389 0 0 0 25 0 1 0 214500105 8204288 1731 1992294400 4194304 5102648 548682068784 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 2003 1731 112 221 0 1779 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 8012

[startup+4.10148 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27536
/proc/meminfo: memFree=1826400/2055920 swapFree=4162540/4192956
[pid=27535] ppid=27533 vsize=8012 CPUtime=4.09
/proc/27535/stat : 27535 (varsat-industri) R 27533 27535 26795 0 -1 4194304 1843 0 0 0 409 0 0 0 25 0 1 0 214500105 8204288 1738 1992294400 4194304 5102648 548682068784 18446744073709551615 4249017 0 0 4096 3 0 0 0 17 1 0 0
/proc/27535/statm: 2003 1738 112 221 0 1779 0
Current children cumulated CPU time (s) 4.09
Current children cumulated vsize (KiB) 8012

Child status: 10
Real time (s): 4.13094
CPU time (s): 4.12937
CPU user time (s): 4.12037
CPU system time (s): 0.008998
CPU usage (%): 99.9621
Max. virtual memory (cumulated for all children) (KiB): 8012

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.12037
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1851
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= 6

runsolver used 0.011998 second user time and 0.010998 second system time

The end

Launcher Data

Begin job on node80 at 2009-05-09 12:25:12
IDJOB=1784698
IDBENCH=24595
IDSOLVER=641
FILE ID=node80/1784698-1241864711
PBS_JOBID= 9264537
Free space on /tmp= 65860 MiB

SOLVER NAME= VARSAT-industrial 2009-03-22
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/varsat-industrial_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784698-1241864711/watcher-1784698-1241864711 -o /tmp/evaluation-result-1784698-1241864711/solver-1784698-1241864711 -C 5000 -W 6000 -M 1800  HOME/varsat-industrial_static -seed=1969278380 HOME/instance-1784698-1241864711.cnf

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=1969278380

node80.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		: 3000.270
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		: 3000.270
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1833224 kB
Buffers:         31844 kB
Cached:         103224 kB
SwapCached:      25208 kB
Active:          71248 kB
Inactive:        91148 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1833224 kB
SwapTotal:     4192956 kB
SwapFree:      4162540 kB
Dirty:            1688 kB
Writeback:           0 kB
Mapped:          13456 kB
Slab:            46212 kB
Committed_AS:   745328 kB
PageTables:       1384 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= 65856 MiB
End job on node80 at 2009-05-09 12:25:16