Trace number 347627

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 14.5208 14.5351

General information on the benchmark

Namecrafted/Medium/contest05/pebbling/
sat-pbl-00400.sat05-1322.reshuffled-07.cnf
MD5SUM29cf0f53dfca3fe2e94789628bed3971
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.46547
Satisfiable
(Un)Satisfiability was proved
Number of variables1497
Number of clauses73374
Sum of the clauses size615277
Maximum clause length11
Minimum clause length1
Number of clauses of size 16
Number of clauses of size 242
Number of clauses of size 3337
Number of clauses of size 4413
Number of clauses of size 53127
Number of clauses of size over 569449

Solver Data (download as text)

0.00/0.00	c Parsing...
0.00/0.15	c ==============================================================================
0.00/0.15	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.15	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.15	c ==============================================================================
0.00/0.15	c |         0 |   73368   615212 |   22010       0        0     nan |  0.000 % |
2.59/2.66	c |         0 |   72136   571685 |      --       0       --      -- |     --   | -1232/-43423
2.59/2.66	c ==============================================================================
2.59/2.66	c Result  :   #vars: 1313   #clauses: 72136   #literals: 571685
2.59/2.66	c CPU time:   2.6276 s
2.59/2.66	c ==============================================================================
14.47/14.52	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/node57/watcher-347627-1176682906 -o ROOT/results/node57/solver-347627-1176682906 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/347627-1176682906/Barcelogic /tmp/evaluation/347627-1176682906/instance-347627-1176682906.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: 1.00 0.98 0.99 3/64 23676
/proc/meminfo: memFree=1930880/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=0
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 273 0 0 0 0 0 0 0 18 0 1 0 109426600 5480448 232 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076250194 0 0 4100 65536 18446744071563648864 0 0 17 1 0 0
/proc/23676/statm: 1338 232 195 169 0 49 0
[pid=23677] ppid=23676 vsize=5352 CPUtime=0
/proc/23677/stat : 23677 (Barcelogic) S 23676 23676 23147 0 -1 4194368 53 25 0 0 0 0 0 0 20 0 1 0 109426600 5480448 236 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4096 65538 18446744071563356171 0 0 17 1 0 0
/proc/23677/statm: 1338 236 198 169 0 49 0
[pid=23679] ppid=23677 vsize=0 CPUtime=0
/proc/23679/stat : 23679 (sed) D 23677 23676 23147 0 -1 4194308 163 0 0 0 0 0 0 0 15 0 1 0 109426600 0 0 18446744073709551615 0 0 0 0 0 0 2147483391 4096 0 18446744072099781622 0 0 17 1 0 0
/proc/23679/statm: 0 0 0 0 0 0 0

[startup+0.0540401 s]
/proc/loadavg: 1.00 0.98 0.99 3/64 23676
/proc/meminfo: memFree=1930880/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=0
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 308 252 0 0 0 0 0 0 18 0 1 0 109426600 5480448 235 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/23676/statm: 1338 235 197 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.102041 s]
/proc/loadavg: 1.00 0.98 0.99 3/64 23676
/proc/meminfo: memFree=1930880/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=0
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 308 252 0 0 0 0 0 0 18 0 1 0 109426600 5480448 235 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/23676/statm: 1338 235 197 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.302058 s]
/proc/loadavg: 1.00 0.98 0.99 3/64 23676
/proc/meminfo: memFree=1930880/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=0
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 308 252 0 0 0 0 0 0 18 0 1 0 109426600 5480448 235 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/23676/statm: 1338 235 197 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.701093 s]
/proc/loadavg: 1.00 0.98 0.99 3/64 23676
/proc/meminfo: memFree=1930880/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=0
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 308 252 0 0 0 0 0 0 18 0 1 0 109426600 5480448 235 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/23676/statm: 1338 235 197 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+1.50116 s]
/proc/loadavg: 1.00 0.98 0.99 2/66 23681
/proc/meminfo: memFree=1919728/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=0
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 308 252 0 0 0 0 0 0 18 0 1 0 109426600 5480448 235 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/23676/statm: 1338 235 197 169 0 49 0
[pid=23681] ppid=23676 vsize=10460 CPUtime=1.48
/proc/23681/stat : 23681 (SatELite_releas) R 23676 23676 23147 0 -1 4194304 2581 0 0 0 146 2 0 0 25 0 1 0 109426600 10711040 2367 18446744073709551615 134512640 135037961 4294956560 18446744073709551615 134543510 0 0 4096 3 0 0 0 17 0 0 0
/proc/23681/statm: 2615 2367 66 128 0 2484 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 15812

[startup+3.10131 s]
/proc/loadavg: 1.00 0.98 0.99 2/66 23681
/proc/meminfo: memFree=1917424/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=2.86
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 334 3157 0 0 0 0 282 4 16 0 1 0 109426600 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/23676/statm: 1338 237 197 169 0 49 0
Current children cumulated CPU time (s) 2.86
Current children cumulated vsize (KiB) 5352

[startup+6.30158 s]
/proc/loadavg: 1.00 0.98 0.99 2/66 23682
/proc/meminfo: memFree=1898544/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=2.86
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 334 3157 0 0 0 0 282 4 16 0 1 0 109426600 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/23676/statm: 1338 237 197 169 0 49 0
[pid=23682] ppid=23676 vsize=1476600 CPUtime=3.42
/proc/23682/stat : 23682 (bsat) R 23676 23676 23147 0 -1 4194304 8072 0 0 0 338 4 0 0 25 0 1 0 109426887 1512038400 8045 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134563539 0 0 4096 0 0 0 0 17 0 0 0
/proc/23682/statm: 369150 8045 84 232 0 368915 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 1481952

[startup+12.7011 s]
/proc/loadavg: 1.00 0.98 0.99 2/66 23682
/proc/meminfo: memFree=1877176/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=2.86
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 334 3157 0 0 0 0 282 4 16 0 1 0 109426600 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/23676/statm: 1338 237 197 169 0 49 0
[pid=23682] ppid=23676 vsize=1476600 CPUtime=9.81
/proc/23682/stat : 23682 (bsat) R 23676 23676 23147 0 -1 4194304 12117 0 0 0 976 5 0 0 25 0 1 0 109426887 1512038400 11804 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134518649 0 0 4096 0 0 0 0 17 0 0 0
/proc/23682/statm: 369150 11804 94 232 0 368915 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 1481952

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

[startup+13.5012 s]
/proc/loadavg: 1.00 0.98 0.99 2/66 23682
/proc/meminfo: memFree=1877240/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=2.86
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 334 3157 0 0 0 0 282 4 16 0 1 0 109426600 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/23676/statm: 1338 237 197 169 0 49 0
[pid=23682] ppid=23676 vsize=1476600 CPUtime=10.61
/proc/23682/stat : 23682 (bsat) R 23676 23676 23147 0 -1 4194304 12117 0 0 0 1056 5 0 0 25 0 1 0 109426887 1512038400 11804 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134531093 0 0 4096 0 0 0 0 17 0 0 0
/proc/23682/statm: 369150 11804 94 232 0 368915 0
Current children cumulated CPU time (s) 13.47
Current children cumulated vsize (KiB) 1481952

[startup+14.3053 s]
/proc/loadavg: 1.00 0.98 0.99 2/66 23682
/proc/meminfo: memFree=1877240/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=2.86
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 334 3157 0 0 0 0 282 4 16 0 1 0 109426600 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/23676/statm: 1338 237 197 169 0 49 0
[pid=23682] ppid=23676 vsize=1476600 CPUtime=11.41
/proc/23682/stat : 23682 (bsat) R 23676 23676 23147 0 -1 4194304 12117 0 0 0 1136 5 0 0 25 0 1 0 109426887 1512038400 11804 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134518059 0 0 4096 0 0 0 0 17 0 0 0
/proc/23682/statm: 369150 11804 94 232 0 368915 0
Current children cumulated CPU time (s) 14.27
Current children cumulated vsize (KiB) 1481952

[startup+14.5013 s]
/proc/loadavg: 1.00 0.98 0.99 2/66 23682
/proc/meminfo: memFree=1877240/2055920 swapFree=4184644/4192956
[pid=23676] ppid=23674 vsize=5352 CPUtime=14.47
/proc/23676/stat : 23676 (Barcelogic) S 23674 23676 23147 0 -1 4194304 356 15284 0 0 0 0 1436 11 16 0 1 0 109426600 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 218076078916 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/23676/statm: 1338 237 197 169 0 49 0
Current children cumulated CPU time (s) 14.47
Current children cumulated vsize (KiB) 5352

Child status: 10
Real time (s): 14.5351
CPU time (s): 14.5208
CPU user time (s): 14.3998
CPU system time (s): 0.120981
CPU usage (%): 99.9017
Max. virtual memory (cumulated for all children) (KiB): 1481952

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 14.3998
system time used= 0.120981
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15934
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= 51
involuntary context switches= 74

runsolver used 0.018997 second user time and 0.041993 second system time

The end

Launcher Data (download as text)

Begin job on node57 on Mon Apr 16 00:21:46 UTC 2007

IDJOB= 347627
IDBENCH= 24584
IDSOLVER= 154
FILE ID= node57/347627-1176682906

PBS_JOBID= 4559979

Free space on /tmp= 66541 MiB

SOLVER NAME= Barcelogic Fixed 2007-04-13
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/pebbling/sat-pbl-00400.sat05-1322.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/347627-1176682906/Barcelogic /tmp/evaluation/347627-1176682906/instance-347627-1176682906.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node57/watcher-347627-1176682906 -o ROOT/results/node57/solver-347627-1176682906 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/347627-1176682906/Barcelogic /tmp/evaluation/347627-1176682906/instance-347627-1176682906.cnf            

META MD5SUM SOLVER= 79e0ce795fa2b766501147b4c62bcf0d
MD5SUM BENCH=  29cf0f53dfca3fe2e94789628bed3971

RANDOM SEED= 20093378

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node57.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		: 3000.239
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		: 3000.239
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:       1931352 kB
Buffers:          3852 kB
Cached:          49072 kB
SwapCached:       2768 kB
Active:          51328 kB
Inactive:        17500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1931352 kB
SwapTotal:     4192956 kB
SwapFree:      4184644 kB
Dirty:            4932 kB
Writeback:           0 kB
Mapped:          22496 kB
Slab:            41864 kB
Committed_AS:   785300 kB
PageTables:       1420 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= 66541 MiB

End job on node57 on Mon Apr 16 00:22:01 UTC 2007