Trace number 1560989

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
MiniSat 2.1 (Sat-race'08 Edition)SAT 39.0811 39.0905

General information on the benchmark

NameCRAFTED/edgematching/
compact/em_7_4_9_cmp.cnf
MD5SUMcc3488b2f0eb99d818c5779787a8ab84
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark11.3113
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses15063
Sum of the clauses size48355
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 23556
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data 

0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.01	c |  Number of variables:          1677                                         |
0.00/0.01	c |  Number of clauses:           15063                                         |
0.00/0.01	c |  Parse time:                   0.01 s                                       |
0.00/0.03	c |  Simplification time:          0.02 s                                       |
0.00/0.03	c |                                                                             |
0.00/0.03	c ============================[ Search Statistics ]==============================
0.00/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.03	c ===============================================================================
0.00/0.04	c |       100 |    1673    14663    47167 |     5376      100     25 |  0.000 % |
0.00/0.04	c |       250 |    1660    14663    47167 |     5914      247     36 |  0.775 % |
0.00/0.05	c |       475 |    1641    14663    47167 |     6505      468     36 |  1.908 % |
0.00/0.06	c |       812 |    1637    14555    46951 |     7156      801     42 |  2.147 % |
0.07/0.08	c |      1318 |    1637    14555    46951 |     7871     1307     51 |  2.147 % |
0.10/0.11	c |      2077 |    1637    14555    46951 |     8658     2066     42 |  2.147 % |
0.10/0.16	c |      3216 |    1637    14555    46951 |     9524     3205     42 |  2.149 % |
0.20/0.22	c |      4924 |    1637    14555    46951 |    10477     4913     37 |  2.147 % |
0.30/0.37	c |      7486 |    1637    14555    46951 |    11524     7475     39 |  2.147 % |
0.60/0.68	c |     11330 |    1637    14555    46951 |    12677    11319     44 |  2.147 % |
1.00/1.06	c |     17096 |    1635    14537    46903 |    13945    10668     39 |  2.266 % |
1.70/1.73	c |     25745 |    1633    14519    46855 |    15339    12294     35 |  2.385 % |
2.89/2.97	c |     38719 |    1630    14462    46705 |    16873     9572     41 |  2.564 % |
5.09/5.16	c |     58180 |    1629    14432    46629 |    18560    12040     38 |  2.624 % |
8.89/8.97	c |     87372 |    1627    14400    46547 |    20416    13066     42 |  2.743 % |
15.69/15.73	c |    131161 |    1623    14338    46387 |    22458    15339     44 |  2.983 % |
26.79/26.84	c |    196845 |    1619    14272    46215 |    24704    12879     39 |  3.220 % |
38.98/39.08	c ===============================================================================
38.98/39.08	c restarts              : 596
38.98/39.08	c conflicts             : 254220         (6513 /sec)
38.98/39.08	c decisions             : 661659         (16951 /sec)
38.98/39.08	c propagations          : 32803452       (840402 /sec)
38.98/39.08	c conflict literals     : 14980617       (28.17 % deleted)
38.98/39.08	c Memory used           : 21.81 MB
38.98/39.08	c CPU time              : 39.0331 s
38.98/39.08	c 
38.98/39.08	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-1560989-1238759959/watcher-1560989-1238759959 -o /tmp/evaluation-result-1560989-1238759959/solver-1560989-1238759959 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1560989-1238759959.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: 1.00 1.01 1.08 3/64 28330
/proc/meminfo: memFree=1754936/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=7636 CPUtime=0
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 279 0 0 0 0 0 0 0 18 0 1 0 1148658655 7819264 263 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 1909 264 63 219 0 1687 0

[startup+0.073318 s]
/proc/loadavg: 1.00 1.01 1.08 3/64 28330
/proc/meminfo: memFree=1754936/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=8244 CPUtime=0.07
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 626 0 0 0 7 0 0 0 18 0 1 0 1148658655 8441856 533 1992294400 4194304 5092341 548682068832 18446744073709551615 4251464 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 2061 533 102 219 0 1839 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 8244

[startup+0.10232 s]
/proc/loadavg: 1.00 1.01 1.08 3/64 28330
/proc/meminfo: memFree=1754936/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=8244 CPUtime=0.1
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 657 0 0 0 10 0 0 0 18 0 1 0 1148658655 8441856 564 1992294400 4194304 5092341 548682068832 18446744073709551615 4249545 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 2061 564 102 219 0 1839 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 8244

[startup+0.302348 s]
/proc/loadavg: 1.00 1.01 1.08 3/64 28330
/proc/meminfo: memFree=1754936/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=8508 CPUtime=0.3
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 875 0 0 0 30 0 0 0 19 0 1 0 1148658655 8712192 782 1992294400 4194304 5092341 548682068832 18446744073709551615 4241101 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 2127 782 103 219 0 1905 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 8508

[startup+0.701374 s]
/proc/loadavg: 1.00 1.01 1.08 3/64 28330
/proc/meminfo: memFree=1754936/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=8940 CPUtime=0.7
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 1256 0 0 0 70 0 0 0 23 0 1 0 1148658655 9154560 1163 1992294400 4194304 5092341 548682068832 18446744073709551615 4248627 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 2235 1163 103 219 0 2013 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 8940

[startup+1.50145 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1751088/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=14548 CPUtime=1.5
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 2386 0 0 0 149 1 0 0 25 0 1 0 1148658655 14897152 1686 1992294400 4194304 5092341 548682068832 18446744073709551615 4241021 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 3637 1686 103 219 0 3415 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 14548

[startup+3.10159 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1745840/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=19736 CPUtime=3.09
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 3430 0 0 0 308 1 0 0 25 0 1 0 1148658655 20209664 2730 1992294400 4194304 5092341 548682068832 18446744073709551615 4241103 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 4934 2730 103 219 0 4712 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 19736

[startup+6.30188 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1743096/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=19736 CPUtime=6.29
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 3813 0 0 0 628 1 0 0 25 0 1 0 1148658655 20209664 3113 1992294400 4194304 5092341 548682068832 18446744073709551615 4241908 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 4934 3113 103 219 0 4712 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19736

[startup+12.7015 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1740792/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=19736 CPUtime=12.69
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 4283 0 0 0 1267 2 0 0 25 0 1 0 1148658655 20209664 3583 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 4934 3583 103 219 0 4712 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 19736

[startup+25.5026 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1740344/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=19736 CPUtime=25.49
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 4407 0 0 0 2547 2 0 0 25 0 1 0 1148658655 20209664 3707 1992294400 4194304 5092341 548682068832 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 4934 3707 103 219 0 4712 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 19736

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

[startup+31.9052 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1744312/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=22332 CPUtime=31.89
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 7376 0 0 0 3186 3 0 0 25 0 1 0 1148658655 22867968 2768 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 5583 2768 103 219 0 5361 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 22332

[startup+35.1015 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1738680/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=22332 CPUtime=35.09
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 8748 0 0 0 3505 4 0 0 25 0 1 0 1148658655 22867968 4140 1992294400 4194304 5092341 548682068832 18446744073709551615 4240672 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 5583 4140 103 219 0 5361 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 22332

[startup+36.7016 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1738680/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=22332 CPUtime=36.68
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 8771 0 0 0 3664 4 0 0 25 0 1 0 1148658655 22867968 4163 1992294400 4194304 5092341 548682068832 18446744073709551615 4240985 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 5583 4163 103 219 0 5361 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 22332

[startup+38.3018 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1738552/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=22332 CPUtime=38.28
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 8783 0 0 0 3824 4 0 0 25 0 1 0 1148658655 22867968 4175 1992294400 4194304 5092341 548682068832 18446744073709551615 4240672 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 5583 4175 103 219 0 5361 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 22332

[startup+38.7018 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1738552/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=22332 CPUtime=38.68
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 8783 0 0 0 3864 4 0 0 25 0 1 0 1148658655 22867968 4175 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 5583 4175 103 219 0 5361 0
Current children cumulated CPU time (s) 38.68
Current children cumulated vsize (KiB) 22332

[startup+38.9018 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1738552/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=22332 CPUtime=38.88
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 8783 0 0 0 3884 4 0 0 25 0 1 0 1148658655 22867968 4175 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 5583 4175 103 219 0 5361 0
Current children cumulated CPU time (s) 38.88
Current children cumulated vsize (KiB) 22332

[startup+39.0018 s]
/proc/loadavg: 1.00 1.01 1.08 2/65 28331
/proc/meminfo: memFree=1738552/2055920 swapFree=4178356/4192956
[pid=28330] ppid=28328 vsize=22332 CPUtime=38.98
/proc/28330/stat : 28330 (minisat) R 28328 28330 27914 0 -1 4194304 8783 0 0 0 3894 4 0 0 25 0 1 0 1148658655 22867968 4175 1992294400 4194304 5092341 548682068832 18446744073709551615 4343321 0 0 4096 3 0 0 0 17 1 0 0
/proc/28330/statm: 5583 4175 103 219 0 5361 0
Current children cumulated CPU time (s) 38.98
Current children cumulated vsize (KiB) 22332

Child status: 10
Real time (s): 39.0905
CPU time (s): 39.0811
CPU user time (s): 39.0341
CPU system time (s): 0.046992
CPU usage (%): 99.9759
Max. virtual memory (cumulated for all children) (KiB): 22336

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 39.0341
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= 8793
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= 37

runsolver used 0.039993 second user time and 0.091986 second system time

The end

Launcher Data 

Begin job on node43 at 2009-04-03 13:59:19
IDJOB=1560989
IDBENCH=70906
IDSOLVER=546
FILE ID=node43/1560989-1238759959
PBS_JOBID= 9085480
Free space on /tmp= 66416 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/edgematching/compact/em_7_4_9_cmp.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1560989-1238759959/watcher-1560989-1238759959 -o /tmp/evaluation-result-1560989-1238759959/solver-1560989-1238759959 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1560989-1238759959.cnf

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

MD5SUM BENCH= cc3488b2f0eb99d818c5779787a8ab84
RANDOM SEED=1274605765

node43.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		: 3000.242
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		: 3000.242
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:       1755416 kB
Buffers:         55084 kB
Cached:         157624 kB
SwapCached:       8564 kB
Active:          22528 kB
Inactive:       200312 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1755416 kB
SwapTotal:     4192956 kB
SwapFree:      4178356 kB
Dirty:            1200 kB
Writeback:           0 kB
Mapped:          15852 kB
Slab:            63660 kB
Committed_AS:  2775400 kB
PageTables:       1456 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= 66416 MiB
End job on node43 at 2009-04-03 13:59:58