Trace number 1806669

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
minisat2-simp 070721SAT 9.8405 9.84498

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 benchmark9.8405
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	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  2420                                                 |
0.00/0.00	|  Number of clauses:    62900                                                |
0.00/0.04	|  Parsing time:         0.05         s                                       |
0.09/0.17	============================[ Search Statistics ]==============================
0.09/0.17	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.17	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.17	===============================================================================
0.09/0.17	|         0 |    2416    61604   152054 |    20534        0    nan |  0.000 % |
0.09/0.18	|       103 |    2416    61604   152054 |    22588      103     82 |  0.000 % |
0.09/0.19	|       253 |    2416    61604   152054 |    24846      253     64 |  0.000 % |
0.19/0.21	|       478 |    2415    61604   152054 |    27331      477     55 |  0.207 % |
0.19/0.23	|       815 |    2415    61604   152054 |    30064      814     52 |  0.207 % |
0.19/0.27	|      1322 |    2408    61604   152054 |    33071     1319     49 |  0.579 % |
0.29/0.34	|      2081 |    2399    61604   152054 |    36378     2076     71 |  0.950 % |
0.39/0.46	|      3221 |    2389    61132   151110 |    40016     3212     83 |  1.116 % |
0.59/0.62	|      4929 |    2373    61132   151110 |    44017     4916     82 |  1.818 % |
0.79/0.89	|      7492 |    2364    60671   150188 |    48419     7471     74 |  2.149 % |
1.29/1.35	|     11336 |    2364    60671   150188 |    53261    11315     85 |  2.149 % |
2.19/2.25	|     17105 |    2364    60671   150188 |    58587    17084     87 |  2.149 % |
4.29/4.33	|     25755 |    2364    60604   150054 |    64446    25733    104 |  2.149 % |
9.79/9.83	===============================================================================
9.79/9.83	restarts              : 13
9.79/9.83	conflicts             : 38156          (3896 /sec)
9.79/9.83	decisions             : 215224         (1.36 % random) (21976 /sec)
9.79/9.83	propagations          : 3795629        (387566 /sec)
9.79/9.83	conflict literals     : 5665530        (10.63 % deleted)
9.79/9.83	Memory used           : 28.32 MB
9.79/9.83	CPU time              : 9.79351 s
9.79/9.83	
9.79/9.83	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-1806669-1242151563/watcher-1806669-1242151563 -o /tmp/evaluation-result-1806669-1242151563/solver-1806669-1242151563 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806669-1242151563.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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7651
/proc/meminfo: memFree=832304/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=2336 CPUtime=0
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 427 0 0 0 0 0 0 0 20 0 1 0 243185966 2392064 412 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 584 413 65 178 0 404 0

[startup+0.096796 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7651
/proc/meminfo: memFree=832304/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=5840 CPUtime=0.09
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 1289 0 0 0 9 0 0 0 20 0 1 0 243185966 5980160 1274 1992294400 134512640 135243866 4294956256 18446744073709551615 134535623 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 1460 1274 80 178 0 1280 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5840

[startup+0.101796 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7651
/proc/meminfo: memFree=832304/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=5840 CPUtime=0.09
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 1290 0 0 0 9 0 0 0 20 0 1 0 243185966 5980160 1275 1992294400 134512640 135243866 4294956256 18446744073709551615 134541939 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 1460 1275 81 178 0 1280 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5840

[startup+0.301818 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7651
/proc/meminfo: memFree=832304/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=5476 CPUtime=0.29
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 1357 0 0 0 29 0 0 0 22 0 1 0 243185966 5607424 1220 1992294400 134512640 135243866 4294956256 18446744073709551615 134556170 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 1369 1220 87 178 0 1189 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5476

[startup+0.701863 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 7651
/proc/meminfo: memFree=832304/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=6796 CPUtime=0.69
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 1667 0 0 0 69 0 0 0 25 0 1 0 243185966 6959104 1530 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 1699 1530 87 178 0 1519 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6796

[startup+1.50195 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7652
/proc/meminfo: memFree=825512/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=9752 CPUtime=1.49
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 2396 0 0 0 148 1 0 0 25 0 1 0 243185966 9986048 2259 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 2438 2259 87 178 0 2258 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9752

[startup+3.10113 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7652
/proc/meminfo: memFree=821864/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=13520 CPUtime=3.09
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 3360 0 0 0 307 2 0 0 25 0 1 0 243185966 13844480 3223 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 3380 3223 87 178 0 3200 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13520

[startup+6.30148 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7652
/proc/meminfo: memFree=813864/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=21472 CPUtime=6.29
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 5327 0 0 0 627 2 0 0 25 0 1 0 243185966 21987328 5190 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 5368 5190 87 178 0 5188 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 21472

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

[startup+7.90166 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7652
/proc/meminfo: memFree=808616/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=25168 CPUtime=7.89
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 6247 0 0 0 786 3 0 0 25 0 1 0 243185966 25772032 6110 1992294400 134512640 135243866 4294956256 18446744073709551615 134565151 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 6292 6110 87 178 0 6112 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 25168

[startup+8.70175 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7652
/proc/meminfo: memFree=806312/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=26752 CPUtime=8.69
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 6657 0 0 0 866 3 0 0 25 0 1 0 243185966 27394048 6520 1992294400 134512640 135243866 4294956256 18446744073709551615 134555808 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 6688 6520 87 178 0 6508 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 26752

[startup+9.50184 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7652
/proc/meminfo: memFree=806312/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=28468 CPUtime=9.49
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 7096 0 0 0 945 4 0 0 25 0 1 0 243185966 29151232 6959 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 7117 6959 87 178 0 6937 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 28468

[startup+9.70186 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7652
/proc/meminfo: memFree=806312/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=28732 CPUtime=9.69
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 7168 0 0 0 965 4 0 0 25 0 1 0 243185966 29421568 7031 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 7183 7031 87 178 0 7003 0
Current children cumulated CPU time (s) 9.69
Current children cumulated vsize (KiB) 28732

[startup+9.80187 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 7652
/proc/meminfo: memFree=804072/2055920 swapFree=4181592/4192956
[pid=7651] ppid=7649 vsize=28996 CPUtime=9.79
/proc/7651/stat : 7651 (minisat_static) R 7649 7651 7207 0 -1 4194304 7213 0 0 0 975 4 0 0 25 0 1 0 243185966 29691904 7076 1992294400 134512640 135243866 4294956256 18446744073709551615 134555804 0 0 4096 3 0 0 0 17 1 0 0
/proc/7651/statm: 7249 7076 87 178 0 7069 0
Current children cumulated CPU time (s) 9.79
Current children cumulated vsize (KiB) 28996

Child status: 10
Real time (s): 9.84498
CPU time (s): 9.8405
CPU user time (s): 9.79351
CPU system time (s): 0.046992
CPU usage (%): 99.9545
Max. virtual memory (cumulated for all children) (KiB): 28996

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.79351
system time used= 0.046992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7238
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= 31

runsolver used 0.015997 second user time and 0.028995 second system time

The end

Launcher Data 

Begin job on node86 at 2009-05-12 20:06:03
IDJOB=1806669
IDBENCH=70922
IDSOLVER=568
FILE ID=node86/1806669-1242151563
PBS_JOBID= 9289640
Free space on /tmp= 66184 MiB

SOLVER NAME= minisat2-simp 070721
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806669-1242151563/watcher-1806669-1242151563 -o /tmp/evaluation-result-1806669-1242151563/solver-1806669-1242151563 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806669-1242151563.cnf

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=1620182183

node86.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		: 3000.213
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		: 3000.213
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:        832784 kB
Buffers:         79716 kB
Cached:        1042660 kB
SwapCached:       5472 kB
Active:          54428 kB
Inactive:      1076520 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        832784 kB
SwapTotal:     4192956 kB
SwapFree:      4181592 kB
Dirty:            1772 kB
Writeback:           0 kB
Mapped:          14256 kB
Slab:            77988 kB
Committed_AS:   888232 kB
PageTables:       1464 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= 66184 MiB
End job on node86 at 2009-05-12 20:06:13