Trace number 347638

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, and are wall clock time (not CPU 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
Barcelogic Fixed 2007-04-13SAT 13.258 13.2737

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 benchmark2.43863
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 (download as text)

0.00/0.00	c Parsing...
0.00/0.04	c ==============================================================================
0.00/0.04	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.04	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.04	c ==============================================================================
0.00/0.04	c |         0 |   17993   127298 |    5397       0        0     nan |  0.000 % |
0.00/0.10	c |         0 |   16362   117564 |      --       0       --      -- |     --   | -422/-4856
0.00/0.10	c ==============================================================================
0.00/0.10	c Result  :   #vars: 2638   #clauses: 16362   #literals: 117564
0.00/0.10	c CPU time:   0.091986 s
0.00/0.10	c ==============================================================================
13.17/13.26	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node33/watcher-347638-1176682927 -o ROOT/results/node33/solver-347638-1176682927 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/347638-1176682927/Barcelogic /tmp/evaluation/347638-1176682927/instance-347638-1176682927.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): 2400 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 0.97 0.98 3/77 5818
/proc/meminfo: memFree=1485216/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 273 0 0 0 0 0 0 0 18 0 1 0 116208187 5480448 232 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824298578 0 0 4100 65536 18446744071563648864 0 0 17 1 0 0
/proc/5818/statm: 1338 232 195 169 0 49 0
[pid=5819] ppid=5818 vsize=5352 CPUtime=0
/proc/5819/stat : 5819 (Barcelogic) R 5818 5818 5319 0 -1 4194368 62 188 0 0 0 0 0 0 20 0 1 0 116208187 5480448 236 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210855006465 0 0 4096 65538 0 0 0 17 1 0 0
/proc/5819/statm: 0 0 0 0 0 0 0

[startup+0.056055 s]
/proc/loadavg: 0.91 0.97 0.98 3/77 5818
/proc/meminfo: memFree=1485216/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 308 252 0 0 0 0 0 0 18 0 1 0 116208187 5480448 235 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/5818/statm: 1338 235 197 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.101058 s]
/proc/loadavg: 0.91 0.97 0.98 3/77 5818
/proc/meminfo: memFree=1485216/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 308 252 0 0 0 0 0 0 18 0 1 0 116208187 5480448 235 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/5818/statm: 1338 235 197 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.301097 s]
/proc/loadavg: 0.91 0.97 0.98 3/77 5818
/proc/meminfo: memFree=1485216/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0.13
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 334 976 0 0 0 0 13 0 16 0 1 0 116208187 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5818/statm: 1338 237 197 169 0 49 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 5352

[startup+0.701179 s]
/proc/loadavg: 0.91 0.97 0.98 3/77 5818
/proc/meminfo: memFree=1485216/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0.13
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 334 976 0 0 0 0 13 0 16 0 1 0 116208187 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5818/statm: 1338 237 197 169 0 49 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 5352

[startup+1.50134 s]
/proc/loadavg: 0.91 0.97 0.98 2/79 5824
/proc/meminfo: memFree=1475920/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0.13
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 334 976 0 0 0 0 13 0 16 0 1 0 116208187 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5818/statm: 1338 237 197 169 0 49 0
[pid=5824] ppid=5818 vsize=1476252 CPUtime=1.34
/proc/5824/stat : 5824 (bsat) R 5818 5818 5319 0 -1 4194304 2767 0 0 0 134 0 0 0 25 0 1 0 116208201 1511682048 2722 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134518821 0 0 4096 0 0 0 0 17 1 0 0
/proc/5824/statm: 369063 2722 84 232 0 368828 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 1481604

[startup+3.10167 s]
/proc/loadavg: 0.91 0.97 0.98 2/79 5824
/proc/meminfo: memFree=1471120/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0.13
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 334 976 0 0 0 0 13 0 16 0 1 0 116208187 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5818/statm: 1338 237 197 169 0 49 0
[pid=5824] ppid=5818 vsize=1476252 CPUtime=2.94
/proc/5824/stat : 5824 (bsat) R 5818 5818 5319 0 -1 4194304 4318 0 0 0 293 1 0 0 25 0 1 0 116208201 1511682048 4273 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134518821 0 0 4096 0 0 0 0 17 1 0 0
/proc/5824/statm: 369063 4273 84 232 0 368828 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 1481604

[startup+6.30133 s]
/proc/loadavg: 0.92 0.97 0.98 2/79 5824
/proc/meminfo: memFree=1458960/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0.13
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 334 976 0 0 0 0 13 0 16 0 1 0 116208187 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5818/statm: 1338 237 197 169 0 49 0
[pid=5824] ppid=5818 vsize=1476252 CPUtime=6.14
/proc/5824/stat : 5824 (bsat) R 5818 5818 5319 0 -1 4194304 6943 0 0 0 612 2 0 0 25 0 1 0 116208201 1511682048 6897 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134531524 0 0 4096 0 0 0 0 17 1 0 0
/proc/5824/statm: 369063 6897 84 232 0 368828 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 1481604

[startup+12.7016 s]
/proc/loadavg: 0.93 0.97 0.98 2/79 5824
/proc/meminfo: memFree=1445072/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0.13
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 334 976 0 0 0 0 13 0 16 0 1 0 116208187 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5818/statm: 1338 237 197 169 0 49 0
[pid=5824] ppid=5818 vsize=1476252 CPUtime=12.54
/proc/5824/stat : 5824 (bsat) R 5818 5818 5319 0 -1 4194304 10126 0 0 0 1249 5 0 0 25 0 1 0 116208201 1511682048 10080 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134529786 0 0 4096 0 0 0 0 17 1 0 0
/proc/5824/statm: 369063 10080 84 232 0 368828 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 1481604

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

[startup+13.1017 s]
/proc/loadavg: 0.93 0.97 0.98 2/79 5824
/proc/meminfo: memFree=1443152/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0.13
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 334 976 0 0 0 0 13 0 16 0 1 0 116208187 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5818/statm: 1338 237 197 169 0 49 0
[pid=5824] ppid=5818 vsize=1476252 CPUtime=12.94
/proc/5824/stat : 5824 (bsat) R 5818 5818 5319 0 -1 4194304 10286 0 0 0 1289 5 0 0 25 0 1 0 116208201 1511682048 10240 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134517785 0 0 4096 0 0 0 0 17 1 0 0
/proc/5824/statm: 369063 10240 84 232 0 368828 0
Current children cumulated CPU time (s) 13.07
Current children cumulated vsize (KiB) 1481604

[startup+13.2057 s]
/proc/loadavg: 0.93 0.97 0.98 2/79 5824
/proc/meminfo: memFree=1443152/2055920 swapFree=4161740/4192956
[pid=5818] ppid=5816 vsize=5352 CPUtime=0.13
/proc/5818/stat : 5818 (Barcelogic) S 5816 5818 5319 0 -1 4194304 334 976 0 0 0 0 13 0 16 0 1 0 116208187 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 210824127300 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5818/statm: 1338 237 197 169 0 49 0
[pid=5824] ppid=5818 vsize=1476252 CPUtime=13.04
/proc/5824/stat : 5824 (bsat) R 5818 5818 5319 0 -1 4194304 10341 0 0 0 1299 5 0 0 25 0 1 0 116208201 1511682048 10295 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134531524 0 0 4096 0 0 0 0 17 1 0 0
/proc/5824/statm: 369063 10295 84 232 0 368828 0
Current children cumulated CPU time (s) 13.17
Current children cumulated vsize (KiB) 1481604

Child status: 10
Real time (s): 13.2737
CPU time (s): 13.258
CPU user time (s): 13.182
CPU system time (s): 0.075988
CPU usage (%): 99.8816
Max. virtual memory (cumulated for all children) (KiB): 1481604

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.182
system time used= 0.075988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12061
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= 49
involuntary context switches= 78

runsolver used 0.016997 second user time and 0.041993 second system time

The end

Launcher Data (download as text)

Begin job on node33 on Mon Apr 16 00:22:07 UTC 2007

IDJOB= 347638
IDBENCH= 24595
IDSOLVER= 154
FILE ID= node33/347638-1176682927

PBS_JOBID= 4559968

Free space on /tmp= 66554 MiB

SOLVER NAME= Barcelogic Fixed 2007-04-13
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/347638-1176682927/Barcelogic /tmp/evaluation/347638-1176682927/instance-347638-1176682927.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node33/watcher-347638-1176682927 -o ROOT/results/node33/solver-347638-1176682927 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/347638-1176682927/Barcelogic /tmp/evaluation/347638-1176682927/instance-347638-1176682927.cnf            

META MD5SUM SOLVER= 79e0ce795fa2b766501147b4c62bcf0d
MD5SUM BENCH=  74af041eb51b172e799baf4bb7eaa52f

RANDOM SEED= 762014554

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node33.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.272
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		: 3000.272
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:       1485624 kB
Buffers:         68584 kB
Cached:         266296 kB
SwapCached:       2536 kB
Active:         175320 kB
Inactive:       298564 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1485624 kB
SwapTotal:     4192956 kB
SwapFree:      4161740 kB
Dirty:            2464 kB
Writeback:           0 kB
Mapped:         152632 kB
Slab:            81792 kB
Committed_AS:  1624608 kB
PageTables:       1992 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= 66554 MiB

End job on node33 on Mon Apr 16 00:22:20 UTC 2007