Trace number 1731746

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 10.7804 10.7833

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.5996
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

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:  2420                                                 |
0.00/0.00	c |  Number of clauses:    62900                                                |
0.00/0.05	c |  Parsing time:         0.04         s                                       |
0.19/0.20	c ============================[ Search Statistics ]==============================
0.19/0.20	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.20	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.20	c ===============================================================================
0.19/0.20	c |         0 |    2416    61604   152054 |    20534        0    nan |  0.000 % |
0.19/0.21	c |       103 |    2416    61604   152054 |    22588      103     82 |  0.000 % |
0.19/0.22	c |       253 |    2416    61604   152054 |    24846      253     64 |  0.000 % |
0.19/0.24	c |       478 |    2415    61604   152054 |    27331      477     55 |  0.207 % |
0.19/0.26	c |       815 |    2415    61604   152054 |    30064      814     52 |  0.207 % |
0.29/0.30	c |      1322 |    2408    61604   152054 |    33071     1319     49 |  0.579 % |
0.29/0.39	c |      2081 |    2399    61604   152054 |    36378     2076     71 |  0.950 % |
0.49/0.51	c |      3221 |    2389    61132   151110 |    40016     3212     83 |  1.116 % |
0.59/0.69	c |      4929 |    2373    61132   151110 |    44017     4916     82 |  1.818 % |
0.89/0.98	c |      7492 |    2364    60671   150188 |    48419     7471     74 |  2.149 % |
1.39/1.50	c |     11336 |    2364    60671   150188 |    53261    11315     85 |  2.149 % |
2.39/2.48	c |     17105 |    2364    60671   150188 |    58587    17084     87 |  2.149 % |
4.69/4.77	c |     25755 |    2364    60604   150054 |    64446    25733    104 |  2.149 % |
10.69/10.77	c ===============================================================================
10.69/10.77	c restarts              : 13
10.69/10.77	c conflicts             : 38156          (3556 /sec)
10.69/10.77	c decisions             : 215224         (1.36 % random) (20059 /sec)
10.69/10.77	c propagations          : 3795629        (353761 /sec)
10.69/10.77	c conflict literals     : 5665530        (10.63 % deleted)
10.69/10.77	c Memory used           : 28.12 MB
10.69/10.77	c CPU time              : 10.7294 s
10.69/10.77	c 
10.69/10.77	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-1731746-1240774085/watcher-1731746-1240774085 -o /tmp/evaluation-result-1731746-1240774085/solver-1731746-1240774085 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat_noassertions HOME/instance-1731746-1240774085.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: 0.99 0.98 0.99 3/64 11119
/proc/meminfo: memFree=1713216/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=2008 CPUtime=0
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 405 0 0 0 0 0 0 0 18 0 1 0 105435388 2056192 391 1992294400 134512640 135048876 4294956192 18446744073709551615 134686936 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 502 391 50 130 0 369 0

[startup+0.0927389 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 11119
/proc/meminfo: memFree=1713216/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=5640 CPUtime=0.08
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 1267 0 0 0 8 0 0 0 18 0 1 0 105435388 5775360 1253 1992294400 134512640 135048876 4294956192 18446744073709551615 134529680 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 1410 1253 62 130 0 1277 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5640

[startup+0.10174 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 11119
/proc/meminfo: memFree=1713216/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=5640 CPUtime=0.09
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 1267 0 0 0 9 0 0 0 18 0 1 0 105435388 5775360 1253 1992294400 134512640 135048876 4294956192 18446744073709551615 134529895 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 1410 1253 62 130 0 1277 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5640

[startup+0.301762 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 11119
/proc/meminfo: memFree=1713216/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=5276 CPUtime=0.29
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 1332 0 0 0 29 0 0 0 19 0 1 0 105435388 5402624 1196 1992294400 134512640 135048876 4294956192 18446744073709551615 134548038 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 1319 1196 67 130 0 1186 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5276

[startup+0.701805 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 11119
/proc/meminfo: memFree=1713216/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=6332 CPUtime=0.69
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 1595 0 0 0 69 0 0 0 22 0 1 0 105435388 6483968 1459 1992294400 134512640 135048876 4294956192 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 1583 1459 67 130 0 1450 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6332

[startup+1.50289 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11120
/proc/meminfo: memFree=1706808/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=8972 CPUtime=1.49
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 2232 0 0 0 148 1 0 0 25 0 1 0 105435388 9187328 2096 1992294400 134512640 135048876 4294956192 18446744073709551615 134547020 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 2243 2096 67 130 0 2110 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 8972

[startup+3.10106 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11120
/proc/meminfo: memFree=1703288/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=12792 CPUtime=3.08
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 3181 0 0 0 307 1 0 0 25 0 1 0 105435388 13099008 3045 1992294400 134512640 135048876 4294956192 18446744073709551615 134546920 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 3198 3045 67 130 0 3065 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 12792

[startup+6.30141 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11120
/proc/meminfo: memFree=1695864/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=19820 CPUtime=6.29
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 4953 0 0 0 627 2 0 0 25 0 1 0 105435388 20295680 4817 1992294400 134512640 135048876 4294956192 18446744073709551615 134548038 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 4955 4817 67 130 0 4822 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19820

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

[startup+7.90159 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11120
/proc/meminfo: memFree=1691064/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=23384 CPUtime=7.89
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 5828 0 0 0 786 3 0 0 25 0 1 0 105435388 23945216 5692 1992294400 134512640 135048876 4294956192 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 5846 5692 67 130 0 5713 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 23384

[startup+9.50176 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11120
/proc/meminfo: memFree=1688696/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=26420 CPUtime=9.49
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 6614 0 0 0 945 4 0 0 25 0 1 0 105435388 27054080 6478 1992294400 134512640 135048876 4294956192 18446744073709551615 134546937 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 6605 6478 67 130 0 6472 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 26420

[startup+10.3028 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11120
/proc/meminfo: memFree=1686520/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=28136 CPUtime=10.29
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 7028 0 0 0 1025 4 0 0 25 0 1 0 105435388 28811264 6892 1992294400 134512640 135048876 4294956192 18446744073709551615 134553672 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 7034 6892 67 130 0 6901 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 28136

[startup+10.7019 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11120
/proc/meminfo: memFree=1686520/2055920 swapFree=4181748/4192956
[pid=11119] ppid=11117 vsize=28664 CPUtime=10.69
/proc/11119/stat : 11119 (minisat_noasser) R 11117 11119 10704 0 -1 4194304 7173 0 0 0 1065 4 0 0 25 0 1 0 105435388 29351936 7037 1992294400 134512640 135048876 4294956192 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/11119/statm: 7166 7037 67 130 0 7033 0
Current children cumulated CPU time (s) 10.69
Current children cumulated vsize (KiB) 28664

Child status: 10
Real time (s): 10.7833
CPU time (s): 10.7804
CPU user time (s): 10.7294
CPU system time (s): 0.050992
CPU usage (%): 99.9724
Max. virtual memory (cumulated for all children) (KiB): 28664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 10.7294
system time used= 0.050992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7209
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= 30

runsolver used 0.014997 second user time and 0.025996 second system time

The end

Launcher Data 

Begin job on node64 at 2009-04-26 21:28:05
IDJOB=1731746
IDBENCH=70922
IDSOLVER=556
FILE ID=node64/1731746-1240774085
PBS_JOBID= 9187157
Free space on /tmp= 66168 MiB

SOLVER NAME= SAT07 reference solver: minisat SAT 2007
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= HOME/minisat_noassertions BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1731746-1240774085/watcher-1731746-1240774085 -o /tmp/evaluation-result-1731746-1240774085/solver-1731746-1240774085 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat_noassertions HOME/instance-1731746-1240774085.cnf

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=176378425

node64.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		: 3000.218
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		: 3000.218
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:       1713632 kB
Buffers:         43964 kB
Cached:         233628 kB
SwapCached:       4540 kB
Active:          85236 kB
Inactive:       200180 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1713632 kB
SwapTotal:     4192956 kB
SwapFree:      4181748 kB
Dirty:            2424 kB
Writeback:           0 kB
Mapped:          14100 kB
Slab:            42632 kB
Committed_AS:   324268 kB
PageTables:       1388 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66168 MiB
End job on node64 at 2009-04-26 21:28:16