Trace number 1725656

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
SAT07 reference solver: minisat SAT 2007SAT 2.73358 2.73412

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.72974
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

Solver Data 

0.00/0.00	c This is MiniSat 2.0 (Feb 1 2007, SAT-Competition version)
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  2435                                                 |
0.00/0.00	c |  Number of clauses:    16016                                                |
0.00/0.03	c |  Parsing time:         0.03         s                                       |
0.09/0.15	c ============================[ Search Statistics ]==============================
0.09/0.15	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.15	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.15	c ===============================================================================
0.09/0.15	c |         0 |    1861    10240    65342 |     3413        0    nan |  0.000 % |
0.09/0.16	c |       101 |    1861    10240    65342 |     3754      101     12 |  2.341 % |
0.09/0.16	c |       252 |    1861    10240    65342 |     4130      252     13 |  2.341 % |
0.09/0.16	c |       477 |    1861    10240    65342 |     4543      477     13 |  2.341 % |
0.09/0.17	c |       814 |    1861    10240    65342 |     4997      814     13 |  2.341 % |
0.09/0.18	c |      1321 |    1861    10240    65342 |     5497     1321     14 |  2.341 % |
0.19/0.21	c |      2081 |    1861    10240    65342 |     6046     2081     14 |  2.341 % |
0.19/0.24	c |      3220 |    1861    10240    65342 |     6651     3220     14 |  2.341 % |
0.29/0.30	c |      4928 |    1861    10240    65342 |     7316     4928     14 |  2.341 % |
0.39/0.42	c |      7491 |    1861    10240    65342 |     8048     7491     15 |  2.341 % |
0.59/0.65	c |     11335 |    1861    10240    65342 |     8853     7207     20 |  2.341 % |
0.89/0.99	c |     17103 |    1861    10240    65342 |     9738     8410     18 |  2.341 % |
1.69/1.78	c |     25752 |    1861    10240    65342 |    10712     7140     22 |  2.341 % |
2.69/2.73	c ===============================================================================
2.69/2.73	c restarts              : 13
2.69/2.73	c conflicts             : 34846          (12794 /sec)
2.69/2.73	c decisions             : 89787          (1.88 % random) (32966 /sec)
2.69/2.73	c propagations          : 1721237        (631975 /sec)
2.69/2.73	c conflict literals     : 743367         (26.07 % deleted)
2.69/2.73	c Memory used           : 4.27 MB
2.69/2.73	c CPU time              : 2.72358 s
2.69/2.73	c 
2.69/2.73	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-1725656-1240705965/watcher-1725656-1240705965 -o /tmp/evaluation-result-1725656-1240705965/solver-1725656-1240705965 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat_noassertions HOME/instance-1725656-1240705965.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: 2.20 2.07 1.58 3/65 16422
/proc/meminfo: memFree=1621608/2055920 swapFree=4192952/4192956
[pid=16422] ppid=16420 vsize=2176 CPUtime=0
/proc/16422/stat : 16422 (minisat_noasser) R 16420 16422 15664 0 -1 4194304 326 0 0 0 0 0 0 0 18 0 1 0 98626043 2228224 312 1992294400 134512640 135048876 4294956192 18446744073709551615 134556887 0 0 4096 3 0 0 0 17 1 0 0
/proc/16422/statm: 544 312 50 130 0 411 0

[startup+0.0923299 s]
/proc/loadavg: 2.20 2.07 1.58 3/65 16422
/proc/meminfo: memFree=1621608/2055920 swapFree=4192952/4192956
[pid=16422] ppid=16420 vsize=3708 CPUtime=0.08
/proc/16422/stat : 16422 (minisat_noasser) R 16420 16422 15664 0 -1 4194304 726 0 0 0 8 0 0 0 18 0 1 0 98626043 3796992 712 1992294400 134512640 135048876 4294956192 18446744073709551615 134557162 0 0 4096 3 0 0 0 17 1 0 0
/proc/16422/statm: 927 712 62 130 0 794 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3708

[startup+0.101331 s]
/proc/loadavg: 2.20 2.07 1.58 3/65 16422
/proc/meminfo: memFree=1621608/2055920 swapFree=4192952/4192956
[pid=16422] ppid=16420 vsize=4004 CPUtime=0.09
/proc/16422/stat : 16422 (minisat_noasser) R 16420 16422 15664 0 -1 4194304 794 0 0 0 9 0 0 0 18 0 1 0 98626043 4100096 780 1992294400 134512640 135048876 4294956192 18446744073709551615 134521240 0 0 4096 3 0 0 0 17 1 0 0
/proc/16422/statm: 1001 780 62 130 0 868 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4004

[startup+0.301367 s]
/proc/loadavg: 2.20 2.07 1.58 3/65 16422
/proc/meminfo: memFree=1621608/2055920 swapFree=4192952/4192956
[pid=16422] ppid=16420 vsize=3840 CPUtime=0.29
/proc/16422/stat : 16422 (minisat_noasser) R 16420 16422 15664 0 -1 4194304 813 0 0 0 29 0 0 0 19 0 1 0 98626043 3932160 758 1992294400 134512640 135048876 4294956192 18446744073709551615 134547320 0 0 4096 3 0 0 0 17 1 0 0
/proc/16422/statm: 960 758 67 130 0 827 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3840

[startup+0.701438 s]
/proc/loadavg: 2.20 2.07 1.58 3/65 16422
/proc/meminfo: memFree=1621608/2055920 swapFree=4192952/4192956
[pid=16422] ppid=16420 vsize=3840 CPUtime=0.69
/proc/16422/stat : 16422 (minisat_noasser) R 16420 16422 15664 0 -1 4194304 816 0 0 0 69 0 0 0 23 0 1 0 98626043 3932160 761 1992294400 134512640 135048876 4294956192 18446744073709551615 134546927 0 0 4096 3 0 0 0 17 1 0 0
/proc/16422/statm: 960 761 67 130 0 827 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3840

[startup+1.50158 s]
/proc/loadavg: 2.10 2.05 1.58 2/66 16423
/proc/meminfo: memFree=1618592/2055920 swapFree=4192952/4192956
[pid=16422] ppid=16420 vsize=3972 CPUtime=1.49
/proc/16422/stat : 16422 (minisat_noasser) R 16420 16422 15664 0 -1 4194304 870 0 0 0 149 0 0 0 25 0 1 0 98626043 4067328 815 1992294400 134512640 135048876 4294956192 18446744073709551615 134548762 0 0 4096 3 0 0 0 17 1 0 0
/proc/16422/statm: 993 815 67 130 0 860 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3972

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

[startup+2.30172 s]
/proc/loadavg: 2.10 2.05 1.58 2/66 16423
/proc/meminfo: memFree=1618144/2055920 swapFree=4192952/4192956
[pid=16422] ppid=16420 vsize=4368 CPUtime=2.29
/proc/16422/stat : 16422 (minisat_noasser) R 16420 16422 15664 0 -1 4194304 942 0 0 0 229 0 0 0 25 0 1 0 98626043 4472832 887 1992294400 134512640 135048876 4294956192 18446744073709551615 134547313 0 0 4096 3 0 0 0 17 1 0 0
/proc/16422/statm: 1092 887 67 130 0 959 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 4368

[startup+2.70179 s]
/proc/loadavg: 2.10 2.05 1.58 2/66 16423
/proc/meminfo: memFree=1618144/2055920 swapFree=4192952/4192956
[pid=16422] ppid=16420 vsize=4368 CPUtime=2.69
/proc/16422/stat : 16422 (minisat_noasser) R 16420 16422 15664 0 -1 4194304 950 0 0 0 269 0 0 0 25 0 1 0 98626043 4472832 895 1992294400 134512640 135048876 4294956192 18446744073709551615 134521000 0 0 4096 3 0 0 0 17 1 0 0
/proc/16422/statm: 1092 895 67 130 0 959 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 4368

Child status: 10
Real time (s): 2.73412
CPU time (s): 2.73358
CPU user time (s): 2.72458
CPU system time (s): 0.008998
CPU usage (%): 99.9804
Max. virtual memory (cumulated for all children) (KiB): 4368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.72458
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= 960
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= 10

runsolver used 0.004999 second user time and 0.012998 second system time

The end

Launcher Data 

Begin job on node89 at 2009-04-26 02:32:45
IDJOB=1725656
IDBENCH=24594
IDSOLVER=556
FILE ID=node89/1725656-1240705965
PBS_JOBID= 9186755
Free space on /tmp= 66352 MiB

SOLVER NAME= SAT07 reference solver: minisat SAT 2007
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= HOME/minisat_noassertions BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725656-1240705965/watcher-1725656-1240705965 -o /tmp/evaluation-result-1725656-1240705965/solver-1725656-1240705965 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat_noassertions HOME/instance-1725656-1240705965.cnf

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

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=1705372432

node89.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		: 3000.268
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		: 3000.268
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:       1622024 kB
Buffers:         46280 kB
Cached:         308948 kB
SwapCached:          4 kB
Active:         125700 kB
Inactive:       243428 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1622024 kB
SwapTotal:     4192956 kB
SwapFree:      4192952 kB
Dirty:            2060 kB
Writeback:           0 kB
Mapped:          23604 kB
Slab:            50724 kB
Committed_AS:   292864 kB
PageTables:       1372 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= 66348 MiB
End job on node89 at 2009-04-26 02:32:48