Trace number 1725694

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 6.63699 6.64013

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 benchmark1.38479
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                                                |
0.05/0.06	c |  Parsing time:         0.05         s                                       |
0.05/0.06	c |  Timeout:              43200 s
0.05/0.06	c |  Random Seed:          1361503205.000000
0.05/0.06	c |  Heuristic:            EMBP-G, threshold 0.950                              |
0.05/0.06	c |  Branching Rule:       default (solution-guided)                            |
0.05/0.06	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.05/0.06	c |                                                                             |
0.19/0.23	c ============================[ Search Statistics ]==============================
0.19/0.23	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.23	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.23	c ===============================================================================
0.19/0.23	c |         0 |    2132    12073    77654 |     4024        0    nan |  0.000 % |
0.29/0.31	c |       100 |    2132    12073    77654 |     4426      100     10 |  2.083 % |
0.39/0.40	c |       250 |    2132    12073    77654 |     4869      250     13 |  2.083 % |
0.39/0.48	c |       476 |    2132    12073    77654 |     5356      476     13 |  2.083 % |
0.49/0.58	c |       813 |    2132    12073    77654 |     5892      813     14 |  2.083 % |
0.59/0.68	c |      1320 |    2132    12073    77654 |     6481     1320     14 |  2.083 % |
0.79/0.80	c |      2079 |    2132    12073    77654 |     7129     2079     15 |  2.083 % |
0.89/0.92	c |      3222 |    2132    12073    77654 |     7842     3222     17 |  2.083 % |
0.99/1.07	c |      4930 |    2132    12073    77654 |     8626     4930     16 |  2.083 % |
1.19/1.29	c |      7492 |    2132    12073    77654 |     9489     7492     16 |  2.083 % |
1.59/1.64	c |     11337 |    2132    12073    77654 |    10438     6436     19 |  2.083 % |
2.19/2.25	c |     17104 |    2132    12073    77654 |    11481     6884     21 |  2.083 % |
3.29/3.30	c |     25753 |    2132    12073    77654 |    12630     9690     26 |  2.083 % |
4.99/5.03	c |     38727 |    2132    12073    77654 |    13893     9829     23 |  2.083 % |
6.59/6.63	c ===============================================================================
6.59/6.63	c surveys--CPU time (sec)   : 1.1888         (17.94 % of total)
6.59/6.63	c surveys--attempted        : 14             (12 /sec)
6.59/6.63	c surveys--converged        : 14             (100.00 % successful)
6.59/6.63	c restarts              : 14
6.59/6.63	c conflicts             : 50951          (9373 /sec)
6.59/6.63	c decisions             : 97660          (1.90 % random) (17965 /sec)
6.59/6.63	c propagations          : 2929740        (538934 /sec)
6.59/6.63	c conflict literals     : 1257564        (30.36 % deleted)
6.59/6.63	c Memory used           : 8.28 MB
6.59/6.63	c Total CPU time (sec)      : 6.6250      
6.59/6.63	c 
6.59/6.63	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-1725694-1240706197/watcher-1725694-1240706197 -o /tmp/evaluation-result-1725694-1240706197/solver-1725694-1240706197 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-industrial_static -seed=1361503205 HOME/instance-1725694-1240706197.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 15896
/proc/meminfo: memFree=1849728/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=2888 CPUtime=0
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 484 0 0 0 0 0 0 0 18 0 1 0 98654423 2957312 469 1992294400 4194304 5102648 548682068784 18446744073709551615 4227096 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 722 469 87 221 0 498 0

[startup+0.0610421 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 15896
/proc/meminfo: memFree=1849728/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=6780 CPUtime=0.05
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1427 0 0 0 5 0 0 0 18 0 1 0 98654423 6942720 1412 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 1695 1414 87 221 0 1471 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 6780

[startup+0.102049 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 15896
/proc/meminfo: memFree=1849728/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=6980 CPUtime=0.09
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1505 0 0 0 9 0 0 0 18 0 1 0 98654423 7147520 1490 1992294400 4194304 5102648 548682068784 18446744073709551615 4222068 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 1745 1490 99 221 0 1521 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6980

[startup+0.301089 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 15896
/proc/meminfo: memFree=1849728/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=7232 CPUtime=0.29
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1639 0 0 0 29 0 0 0 19 0 1 0 98654423 7405568 1534 1992294400 4194304 5102648 548682068784 18446744073709551615 4213932 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 1808 1534 102 221 0 1584 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7232

[startup+0.701168 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 15896
/proc/meminfo: memFree=1849728/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=7232 CPUtime=0.69
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1652 0 0 0 69 0 0 0 22 0 1 0 98654423 7405568 1547 1992294400 4194304 5102648 548682068784 18446744073709551615 4214195 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 1808 1547 115 221 0 1584 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7232

[startup+1.50133 s]
/proc/loadavg: 0.91 0.95 0.98 2/65 15897
/proc/meminfo: memFree=1843704/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=7232 CPUtime=1.49
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1668 0 0 0 149 0 0 0 25 0 1 0 98654423 7405568 1563 1992294400 4194304 5102648 548682068784 18446744073709551615 4249753 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 1808 1563 115 221 0 1584 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7232

[startup+3.10164 s]
/proc/loadavg: 0.91 0.95 0.98 2/65 15897
/proc/meminfo: memFree=1843576/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=7628 CPUtime=3.09
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1767 0 0 0 309 0 0 0 25 0 1 0 98654423 7811072 1662 1992294400 4194304 5102648 548682068784 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 1907 1662 115 221 0 1683 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7628

[startup+6.30128 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 15897
/proc/meminfo: memFree=1842808/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=8476 CPUtime=6.28
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1957 0 0 0 628 0 0 0 25 0 1 0 98654423 8679424 1852 1992294400 4194304 5102648 548682068784 18446744073709551615 4249753 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 2119 1852 115 221 0 1895 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 8476

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

[startup+6.50132 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 15897
/proc/meminfo: memFree=1842488/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=8476 CPUtime=6.49
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1969 0 0 0 649 0 0 0 25 0 1 0 98654423 8679424 1864 1992294400 4194304 5102648 548682068784 18446744073709551615 4225463 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 2119 1864 115 221 0 1895 0
Current children cumulated CPU time (s) 6.49
Current children cumulated vsize (KiB) 8476

[startup+6.60534 s]
/proc/loadavg: 0.92 0.95 0.98 2/65 15897
/proc/meminfo: memFree=1842488/2055920 swapFree=4192812/4192956
[pid=15896] ppid=15894 vsize=8476 CPUtime=6.59
/proc/15896/stat : 15896 (varsat-industri) R 15894 15896 15859 0 -1 4194304 1969 0 0 0 659 0 0 0 25 0 1 0 98654423 8679424 1864 1992294400 4194304 5102648 548682068784 18446744073709551615 4249884 0 0 4096 3 0 0 0 17 1 0 0
/proc/15896/statm: 2119 1864 115 221 0 1895 0
Current children cumulated CPU time (s) 6.59
Current children cumulated vsize (KiB) 8476

Child status: 10
Real time (s): 6.64013
CPU time (s): 6.63699
CPU user time (s): 6.62599
CPU system time (s): 0.010998
CPU usage (%): 99.9527
Max. virtual memory (cumulated for all children) (KiB): 8476

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.62599
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1976
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= 14

runsolver used 0.009998 second user time and 0.021996 second system time

The end

Launcher Data

Begin job on node1 at 2009-04-26 02:36:37
IDJOB=1725694
IDBENCH=24595
IDSOLVER=538
FILE ID=node1/1725694-1240706197
PBS_JOBID= 9186824
Free space on /tmp= 66336 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-1725694-1240706197/watcher-1725694-1240706197 -o /tmp/evaluation-result-1725694-1240706197/solver-1725694-1240706197 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-industrial_static -seed=1361503205 HOME/instance-1725694-1240706197.cnf

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=1361503205

node1.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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1850208 kB
Buffers:         15140 kB
Cached:         123232 kB
SwapCached:        144 kB
Active:          98164 kB
Inactive:        54152 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1850208 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1760 kB
Writeback:           0 kB
Mapped:          23608 kB
Slab:            39412 kB
Committed_AS:   342380 kB
PageTables:       1436 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= 66336 MiB
End job on node1 at 2009-04-26 02:36:44