Trace number 1806661

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-core 070721SAT 43.3044 43.3248

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark20.8458
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
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:    51668                                                |
0.00/0.02	|  Parsing time:         0.02         s                                       |
0.00/0.02	============================[ Search Statistics ]==============================
0.00/0.02	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.02	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.02	===============================================================================
0.00/0.02	|         0 |    2420    51668   133444 |    17222        0    nan |  0.000 % |
0.00/0.03	|       101 |    2420    51668   133444 |    18944      101     22 |  0.000 % |
0.03/0.04	|       252 |    2420    51668   133444 |    20839      252     22 |  0.000 % |
0.03/0.05	|       477 |    2407    51668   133444 |    22923      474     22 |  0.537 % |
0.03/0.06	|       814 |    2401    51668   133444 |    25215      809     21 |  0.909 % |
0.03/0.09	|      1320 |    2389    51668   133444 |    27737     1313     22 |  1.281 % |
0.09/0.14	|      2080 |    2380    51043   132194 |    30511     2066     26 |  1.653 % |
0.09/0.19	|      3219 |    2380    51043   132194 |    33562     3205     26 |  1.653 % |
0.19/0.30	|      4927 |    2376    50804   131716 |    36918     4907     29 |  1.818 % |
0.39/0.46	|      7490 |    2368    50804   131716 |    40610     7468     30 |  2.149 % |
0.69/0.74	|     11335 |    2368    50668   131444 |    44671    11309     32 |  2.149 % |
1.29/1.33	|     17101 |    2368    50668   131444 |    49138    17075     38 |  2.149 % |
2.59/2.69	|     25750 |    2368    50668   131444 |    54052    25724     50 |  2.149 % |
5.49/5.57	|     38724 |    2368    50668   131444 |    59457    38698     55 |  2.149 % |
11.99/12.00	|     58186 |    2368    50668   131444 |    65403    58160     63 |  2.149 % |
25.58/25.66	|     87378 |    2368    50668   131444 |    71943    47160    118 |  2.149 % |
43.27/43.31	===============================================================================
43.27/43.31	restarts              : 16
43.27/43.31	conflicts             : 121278         (2808 /sec)
43.27/43.31	decisions             : 569591         (1.33 % random) (13186 /sec)
43.27/43.31	propagations          : 11444780       (264947 /sec)
43.27/43.31	conflict literals     : 13613452       (16.35 % deleted)
43.27/43.31	Memory used           : 42.99 MB
43.27/43.31	CPU time              : 43.1964 s
43.27/43.31	
43.27/43.31	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-1806661-1242151543/watcher-1806661-1242151543 -o /tmp/evaluation-result-1806661-1242151543/solver-1806661-1242151543 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806661-1242151543.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 3/64 11564
/proc/meminfo: memFree=1085072/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=2188 CPUtime=0
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 381 0 0 0 0 0 0 0 18 0 1 0 243187824 2240512 366 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 547 367 58 171 0 373 0

[startup+0.0399919 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 11564
/proc/meminfo: memFree=1085072/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=4156 CPUtime=0.03
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 869 0 0 0 3 0 0 0 18 0 1 0 243187824 4255744 854 1992294400 134512640 135213614 4294956256 18446744073709551615 134540835 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 1039 854 77 171 0 865 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 4156

[startup+0.101999 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 11564
/proc/meminfo: memFree=1085072/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=4288 CPUtime=0.09
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 912 0 0 0 9 0 0 0 18 0 1 0 243187824 4390912 897 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 1072 897 78 171 0 898 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4288

[startup+0.302022 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 11564
/proc/meminfo: memFree=1085072/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=4960 CPUtime=0.29
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 1071 0 0 0 29 0 0 0 19 0 1 0 243187824 5079040 1056 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 1240 1056 78 171 0 1066 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4960

[startup+0.701066 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 11564
/proc/meminfo: memFree=1085072/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=6060 CPUtime=0.69
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 1340 0 0 0 69 0 0 0 23 0 1 0 243187824 6205440 1325 1992294400 134512640 135213614 4294956256 18446744073709551615 134526939 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 1515 1325 78 171 0 1341 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6060

[startup+1.50116 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1079112/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=8144 CPUtime=1.49
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 1849 0 0 0 148 1 0 0 25 0 1 0 243187824 8339456 1834 1992294400 134512640 135213614 4294956256 18446744073709551615 134530577 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 2036 1834 78 171 0 1862 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 8144

[startup+3.10134 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1076168/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=11476 CPUtime=3.09
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 2693 0 0 0 308 1 0 0 25 0 1 0 243187824 11751424 2678 1992294400 134512640 135213614 4294956256 18446744073709551615 134526885 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 2869 2678 78 171 0 2695 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 11476

[startup+6.3017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1071240/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=15780 CPUtime=6.29
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 3762 0 0 0 627 2 0 0 25 0 1 0 243187824 16158720 3747 1992294400 134512640 135213614 4294956256 18446744073709551615 134530552 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 3945 3747 78 171 0 3771 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15780

[startup+12.7014 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1063696/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=22776 CPUtime=12.69
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 5530 0 0 0 1264 5 0 0 25 0 1 0 243187824 23322624 5515 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 5694 5515 78 171 0 5520 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 22776

[startup+25.5019 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1056656/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=29628 CPUtime=25.48
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 7204 0 0 0 2542 6 0 0 25 0 1 0 243187824 30339072 7189 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 7407 7189 78 171 0 7233 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 29628

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

[startup+31.9056 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1050192/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=35836 CPUtime=31.88
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 8764 0 0 0 3181 7 0 0 25 0 1 0 243187824 36696064 8749 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 8959 8749 78 171 0 8785 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 35836

[startup+38.3013 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1044240/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=42700 CPUtime=38.27
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 10478 0 0 0 3818 9 0 0 25 0 1 0 243187824 43724800 10463 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 10675 10463 78 171 0 10501 0
Current children cumulated CPU time (s) 38.27
Current children cumulated vsize (KiB) 42700

[startup+41.5017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1041808/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=44020 CPUtime=41.47
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 10835 0 0 0 4138 9 0 0 25 0 1 0 243187824 45076480 10820 1992294400 134512640 135213614 4294956256 18446744073709551615 134526867 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 11005 10820 78 171 0 10831 0
Current children cumulated CPU time (s) 41.47
Current children cumulated vsize (KiB) 44020

[startup+42.3028 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1041808/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=44020 CPUtime=42.27
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 10835 0 0 0 4218 9 0 0 25 0 1 0 243187824 45076480 10820 1992294400 134512640 135213614 4294956256 18446744073709551615 134526755 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 11005 10820 78 171 0 10831 0
Current children cumulated CPU time (s) 42.27
Current children cumulated vsize (KiB) 44020

[startup+43.1019 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1041808/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=44020 CPUtime=43.07
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 10835 0 0 0 4298 9 0 0 25 0 1 0 243187824 45076480 10820 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 11005 10820 78 171 0 10831 0
Current children cumulated CPU time (s) 43.07
Current children cumulated vsize (KiB) 44020

[startup+43.3019 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 11565
/proc/meminfo: memFree=1041808/2055920 swapFree=4093348/4192956
[pid=11564] ppid=11562 vsize=44020 CPUtime=43.27
/proc/11564/stat : 11564 (minisat_static) R 11562 11564 11238 0 -1 4194304 10835 0 0 0 4318 9 0 0 25 0 1 0 243187824 45076480 10820 1992294400 134512640 135213614 4294956256 18446744073709551615 134529520 0 0 4096 3 0 0 0 17 0 0 0
/proc/11564/statm: 11005 10820 78 171 0 10831 0
Current children cumulated CPU time (s) 43.27
Current children cumulated vsize (KiB) 44020

Child status: 10
Real time (s): 43.3248
CPU time (s): 43.3044
CPU user time (s): 43.1964
CPU system time (s): 0.107983
CPU usage (%): 99.9529
Max. virtual memory (cumulated for all children) (KiB): 44020

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 43.1964
system time used= 0.107983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10848
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= 134

runsolver used 0.034994 second user time and 0.131979 second system time

The end

Launcher Data

Begin job on node23 at 2009-05-12 20:05:43
IDJOB=1806661
IDBENCH=70920
IDSOLVER=651
FILE ID=node23/1806661-1242151543
PBS_JOBID= 9289698
Free space on /tmp= 66396 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806661-1242151543/watcher-1806661-1242151543 -o /tmp/evaluation-result-1806661-1242151543/solver-1806661-1242151543 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806661-1242151543.cnf

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

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=1770441530

node23.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		: 3000.238
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		: 3000.238
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:       1085488 kB
Buffers:         65452 kB
Cached:         748208 kB
SwapCached:      94276 kB
Active:          31964 kB
Inactive:       877544 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1085488 kB
SwapTotal:     4192956 kB
SwapFree:      4093348 kB
Dirty:            1588 kB
Writeback:           0 kB
Mapped:          14008 kB
Slab:            46992 kB
Committed_AS:   896928 kB
PageTables:       1388 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= 66396 MiB
End job on node23 at 2009-05-12 20:06:27