Trace number 1562022

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 8.31873 8.32283

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_3_6_all.cnf
MD5SUM3264a66e18d5550049c950d1156ee464
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.524919
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses30387
Sum of the clauses size75224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 221205
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  1473                                                 |
0.00/0.00	c |  Number of clauses:    30387                                                |
0.00/0.03	c |  Parsing time:         0.02         s                                       |
0.00/0.03	c |  Timeout:              43200 s
0.00/0.03	c |  Random Seed:          2051425880.000000
0.00/0.03	c |  Heuristic:            EMBP-G, threshold 0.950                              |
0.00/0.03	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.03	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.03	c |                                                                             |
0.07/0.09	c ============================[ Search Statistics ]==============================
0.07/0.09	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.07/0.09	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.07/0.09	c ===============================================================================
0.07/0.09	c |         0 |    1465    30037    74210 |    10012        0    nan |  0.000 % |
0.09/0.11	c |       101 |    1446    30037    74210 |    11013       99     34 |  1.629 % |
0.09/0.14	c |       251 |    1445    30037    74210 |    12114      248     41 |  1.697 % |
0.09/0.18	c |       476 |    1431    30037    74210 |    13326      469     35 |  2.716 % |
0.19/0.22	c |       813 |    1418    30037    74210 |    14659      804     37 |  3.598 % |
0.19/0.28	c |      1319 |    1417    30037    74210 |    16124     1309     45 |  3.666 % |
0.29/0.34	c |      2079 |    1411    28998    72132 |    17737     2069     47 |  3.666 % |
0.39/0.44	c |      3219 |    1409    28998    72132 |    19511     3207     49 |  3.802 % |
0.59/0.62	c |      4927 |    1408    28964    72064 |    21462     4914     67 |  3.870 % |
0.79/0.88	c |      7492 |    1402    28905    71946 |    23608     7474     66 |  4.277 % |
1.49/1.50	c |     11338 |    1402    28905    71946 |    25969    11320     83 |  4.277 % |
2.79/2.83	c |     17104 |    1402    28905    71946 |    28566    17086     99 |  4.277 % |
5.19/5.27	c |     25756 |    1402    28837    71810 |    31422    25737     95 |  4.345 % |
8.28/8.31	c ===============================================================================
8.28/8.31	c surveys--CPU time (sec)   : 0.2990         (3.61 % of total)
8.28/8.31	c surveys--attempted        : 13             (43 /sec)
8.28/8.31	c surveys--converged        : 13             (100.00 % successful)
8.28/8.31	c restarts              : 13
8.28/8.31	c conflicts             : 34839          (4367 /sec)
8.28/8.31	c decisions             : 121272         (1.44 % random) (15201 /sec)
8.28/8.31	c propagations          : 3316713        (415743 /sec)
8.28/8.31	c conflict literals     : 3183428        (17.00 % deleted)
8.28/8.31	c Memory used           : 19.25 MB
8.28/8.31	c Total CPU time (sec)      : 8.2767      
8.28/8.31	c 
8.28/8.31	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-1562022-1238770029/watcher-1562022-1238770029 -o /tmp/evaluation-result-1562022-1238770029/solver-1562022-1238770029 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-industrial_static -seed=2051425880 HOME/instance-1562022-1238770029.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: 1.00 1.00 1.00 3/72 25373
/proc/meminfo: memFree=1811016/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=2820 CPUtime=0
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 397 0 0 0 0 0 0 0 18 0 1 0 1149664096 2887680 382 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 705 383 87 221 0 481 0

[startup+0.086951 s]
/proc/loadavg: 1.00 1.00 1.00 3/72 25373
/proc/meminfo: memFree=1811016/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=6356 CPUtime=0.07
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 1270 0 0 0 7 0 0 0 18 0 1 0 1149664096 6508544 1255 1992294400 4194304 5102648 548682068784 18446744073709551615 4273080 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 1589 1255 100 221 0 1365 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6356

[startup+0.101954 s]
/proc/loadavg: 1.00 1.00 1.00 3/72 25373
/proc/meminfo: memFree=1811016/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=5872 CPUtime=0.09
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 1272 0 0 0 9 0 0 0 18 0 1 0 1149664096 6012928 1138 1992294400 4194304 5102648 548682068784 18446744073709551615 4213860 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 1468 1138 102 221 0 1244 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5872

[startup+0.301993 s]
/proc/loadavg: 1.00 1.00 1.00 3/72 25373
/proc/meminfo: memFree=1811016/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=5872 CPUtime=0.29
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 1285 0 0 0 29 0 0 0 19 0 1 0 1149664096 6012928 1151 1992294400 4194304 5102648 548682068784 18446744073709551615 4213943 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 1468 1151 115 221 0 1244 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5872

[startup+0.701072 s]
/proc/loadavg: 1.00 1.00 1.00 3/72 25373
/proc/meminfo: memFree=1811016/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=7084 CPUtime=0.69
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 1579 0 0 0 69 0 0 0 22 0 1 0 1149664096 7254016 1445 1992294400 4194304 5102648 548682068784 18446744073709551615 4249967 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 1771 1445 115 221 0 1547 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7084

[startup+1.50123 s]
/proc/loadavg: 1.00 1.00 1.00 2/73 25374
/proc/meminfo: memFree=1804480/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=9860 CPUtime=1.49
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 2282 0 0 0 148 1 0 0 25 0 1 0 1149664096 10096640 2148 1992294400 4194304 5102648 548682068784 18446744073709551615 4228913 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 2465 2148 115 221 0 2241 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9860

[startup+3.10154 s]
/proc/loadavg: 1.00 1.00 1.00 2/73 25374
/proc/meminfo: memFree=1800832/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=13796 CPUtime=3.09
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 3282 0 0 0 307 2 0 0 25 0 1 0 1149664096 14127104 3148 1992294400 4194304 5102648 548682068784 18446744073709551615 4249732 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 3449 3148 115 221 0 3225 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13796

[startup+6.30117 s]
/proc/loadavg: 1.00 1.00 1.00 2/73 25374
/proc/meminfo: memFree=1795072/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=18512 CPUtime=6.29
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 4430 0 0 0 626 3 0 0 25 0 1 0 1149664096 18956288 4296 1992294400 4194304 5102648 548682068784 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 4628 4296 115 221 0 4404 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 18512

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

[startup+7.10133 s]
/proc/loadavg: 1.00 1.00 1.00 2/73 25374
/proc/meminfo: memFree=1793664/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=19308 CPUtime=7.08
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 4648 0 0 0 705 3 0 0 25 0 1 0 1149664096 19771392 4514 1992294400 4194304 5102648 548682068784 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 4827 4514 115 221 0 4603 0
Current children cumulated CPU time (s) 7.08
Current children cumulated vsize (KiB) 19308

[startup+7.90149 s]
/proc/loadavg: 1.00 1.00 1.00 2/73 25374
/proc/meminfo: memFree=1792640/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=19704 CPUtime=7.88
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 4753 0 0 0 785 3 0 0 25 0 1 0 1149664096 20176896 4619 1992294400 4194304 5102648 548682068784 18446744073709551615 4249855 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 4926 4619 115 221 0 4702 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 19704

[startup+8.30157 s]
/proc/loadavg: 1.00 1.00 1.00 2/73 25374
/proc/meminfo: memFree=1792640/2055920 swapFree=4175756/4192956
[pid=25373] ppid=25371 vsize=19704 CPUtime=8.28
/proc/25373/stat : 25373 (varsat-industri) R 25371 25373 25167 0 -1 4194304 4753 0 0 0 825 3 0 0 25 0 1 0 1149664096 20176896 4619 1992294400 4194304 5102648 548682068784 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/25373/statm: 4926 4619 115 221 0 4702 0
Current children cumulated CPU time (s) 8.28
Current children cumulated vsize (KiB) 19704

Child status: 10
Real time (s): 8.32283
CPU time (s): 8.31873
CPU user time (s): 8.27674
CPU system time (s): 0.041993
CPU usage (%): 99.9508
Max. virtual memory (cumulated for all children) (KiB): 19704

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.27674
system time used= 0.041993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4758
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= 17

runsolver used 0.014997 second user time and 0.023996 second system time

The end

Launcher Data 

Begin job on node66 at 2009-04-03 16:47:09
IDJOB=1562022
IDBENCH=70926
IDSOLVER=538
FILE ID=node66/1562022-1238770029
PBS_JOBID= 9085520
Free space on /tmp= 66500 MiB

SOLVER NAME= VARSAT-industrial 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= HOME/varsat-industrial_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562022-1238770029/watcher-1562022-1238770029 -o /tmp/evaluation-result-1562022-1238770029/solver-1562022-1238770029 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-industrial_static -seed=2051425880 HOME/instance-1562022-1238770029.cnf

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

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=2051425880

node66.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		: 3000.286
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		: 3000.286
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:       1811432 kB
Buffers:         25768 kB
Cached:         150912 kB
SwapCached:       8484 kB
Active:          54004 kB
Inactive:       133212 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1811432 kB
SwapTotal:     4192956 kB
SwapFree:      4175756 kB
Dirty:            1464 kB
Writeback:           0 kB
Mapped:          16196 kB
Slab:            42428 kB
Committed_AS:  3450932 kB
PageTables:       1976 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= 66500 MiB
End job on node66 at 2009-04-03 16:47:17