Trace number 1784115

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 110.066 110.094

General information on the benchmark

NameCRAFTED/edgematching/
fbcolors/em_7_4_9_fbc.cnf
MD5SUM4259362ee72589b1a94d1f5c9f846a0b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark19.693
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses28863
Sum of the clauses size75955
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 217356
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 |                                                                             |
0.00/0.02	c |  Number of variables:          1677                                         |
0.00/0.02	c |  Number of clauses:           28863                                         |
0.00/0.02	c |  Parse time:                   0.02 s                                       |
0.00/0.07	c |  Simplification time:          0.05 s                                       |
0.00/0.07	c |                                                                             |
0.00/0.07	c ============================[ Search Statistics ]==============================
0.00/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.07	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.07	c ===============================================================================
0.00/0.08	c |       100 |    1673    28463    74767 |    10436      100     28 |  0.000 % |
0.07/0.08	c |       250 |    1655    28463    74767 |    11480      246     34 |  1.073 % |
0.07/0.09	c |       475 |    1647    28463    74767 |    12628      469     43 |  1.550 % |
0.09/0.11	c |       812 |    1642    28370    74581 |    13890      804     44 |  1.849 % |
0.09/0.14	c |      1318 |    1642    28370    74581 |    15279     1310     47 |  1.849 % |
0.09/0.18	c |      2077 |    1637    28355    74551 |    16807     2066     47 |  2.147 % |
0.19/0.24	c |      3216 |    1637    28355    74551 |    18488     3205     46 |  2.147 % |
0.29/0.33	c |      4924 |    1637    28355    74551 |    20337     4913     45 |  2.147 % |
0.49/0.54	c |      7486 |    1637    28355    74551 |    22371     7475     49 |  2.147 % |
0.89/0.90	c |     11330 |    1637    28355    74551 |    24608    11319     50 |  2.147 % |
1.69/1.77	c |     17096 |    1636    28321    74471 |    27069    17084     54 |  2.206 % |
3.79/3.83	c |     25745 |    1635    28287    74391 |    29776    25732     57 |  2.266 % |
7.09/7.14	c |     38719 |    1635    28287    74391 |    32753    23637     56 |  2.266 % |
12.28/12.33	c |     58180 |    1634    28284    74385 |    36029    26567     56 |  2.327 % |
21.29/21.31	c |     87372 |    1634    28284    74385 |    39632    19482     49 |  2.326 % |
38.68/38.72	c |    131161 |    1634    28284    74385 |    43595    23521     53 |  2.326 % |
66.87/66.94	c |    196845 |    1633    28281    74379 |    47955    22896     50 |  2.385 % |
108.96/109.09	c |    295371 |    1633    28281    74379 |    52750    41659     62 |  2.385 % |
109.97/110.08	c ===============================================================================
109.97/110.08	c restarts              : 712
109.97/110.08	c conflicts             : 296757         (2698 /sec)
109.97/110.08	c decisions             : 591974         (5383 /sec)
109.97/110.08	c propagations          : 54167578       (492557 /sec)
109.97/110.08	c conflict literals     : 21654564       (33.20 % deleted)
109.97/110.08	c Memory used           : 33.32 MB
109.97/110.08	c CPU time              : 109.972 s
109.97/110.08	c 
109.97/110.08	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-1784115-1241915475/watcher-1784115-1241915475 -o /tmp/evaluation-result-1784115-1241915475/solver-1784115-1241915475 -C 5000 -W 6000 -M 1800 HOME/minisat HOME/instance-1784115-1241915475.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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 0.97 0.99 3/67 10319
/proc/meminfo: memFree=1861408/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=7636 CPUtime=0
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 323 0 0 0 0 0 0 0 18 0 1 0 219573634 7819264 307 1992294400 4194304 5092341 548682068848 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 1909 307 63 219 0 1687 0

[startup+0.0828499 s]
/proc/loadavg: 0.99 0.97 0.99 3/67 10319
/proc/meminfo: memFree=1861408/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=8804 CPUtime=0.07
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 901 0 0 0 7 0 0 0 18 0 1 0 219573634 9015296 713 1992294400 4194304 5092341 548682068848 18446744073709551615 4240665 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 2201 713 100 219 0 1979 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 8804

[startup+0.101853 s]
/proc/loadavg: 0.99 0.97 0.99 3/67 10319
/proc/meminfo: memFree=1861408/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=8804 CPUtime=0.09
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 920 0 0 0 9 0 0 0 18 0 1 0 219573634 9015296 732 1992294400 4194304 5092341 548682068848 18446744073709551615 4248810 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 2201 732 100 219 0 1979 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8804

[startup+0.30187 s]
/proc/loadavg: 0.99 0.97 0.99 3/67 10319
/proc/meminfo: memFree=1861408/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=8804 CPUtime=0.29
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 1101 0 0 0 29 0 0 0 19 0 1 0 219573634 9015296 913 1992294400 4194304 5092341 548682068848 18446744073709551615 4241949 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 2201 913 103 219 0 1979 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8804

[startup+0.701905 s]
/proc/loadavg: 0.99 0.97 0.99 3/67 10319
/proc/meminfo: memFree=1861408/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=9068 CPUtime=0.69
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 1429 0 0 0 69 0 0 0 22 0 1 0 219573634 9285632 1241 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 2267 1241 103 219 0 2045 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9068

[startup+1.50198 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1855896/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=9628 CPUtime=1.49
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 1925 0 0 0 148 1 0 0 25 0 1 0 219573634 9859072 1737 1992294400 4194304 5092341 548682068848 18446744073709551615 4240611 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 2407 1737 103 219 0 2185 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9628

[startup+3.10112 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1853528/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=13024 CPUtime=3.09
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 2628 0 0 0 308 1 0 0 25 0 1 0 219573634 13336576 2440 1992294400 4194304 5092341 548682068848 18446744073709551615 4241800 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 3256 2440 103 219 0 3034 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13024

[startup+6.30141 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1853208/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=11288 CPUtime=6.29
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 4489 0 0 0 626 3 0 0 25 0 1 0 219573634 11558912 2422 1992294400 4194304 5092341 548682068848 18446744073709551615 4241015 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 2822 2422 103 219 0 2600 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11288

[startup+12.702 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1843416/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=19192 CPUtime=12.68
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 8609 0 0 0 1263 5 0 0 25 0 1 0 219573634 19652608 4471 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 4798 4471 103 219 0 4576 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 19192

[startup+25.5011 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1834392/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=30868 CPUtime=25.49
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 10913 0 0 0 2542 7 0 0 25 0 1 0 219573634 31608832 6775 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 7717 6775 103 219 0 7495 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 30868

[startup+51.1014 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1828568/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=34112 CPUtime=51.08
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 12348 0 0 0 5100 8 0 0 25 0 1 0 219573634 34930688 8210 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 8528 8210 103 219 0 8306 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 34112

[startup+102.306 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1828440/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=34112 CPUtime=102.27
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 12364 0 0 0 10219 8 0 0 25 0 1 0 219573634 34930688 8226 1992294400 4194304 5092341 548682068848 18446744073709551615 4240665 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 34112

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

[startup+105.501 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1828440/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=34112 CPUtime=105.47
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 12364 0 0 0 10539 8 0 0 25 0 1 0 219573634 34930688 8226 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 105.47
Current children cumulated vsize (KiB) 34112

[startup+107.101 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1828440/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=34112 CPUtime=107.06
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 12364 0 0 0 10698 8 0 0 25 0 1 0 219573634 34930688 8226 1992294400 4194304 5092341 548682068848 18446744073709551615 4240672 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 107.06
Current children cumulated vsize (KiB) 34112

[startup+108.702 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1828440/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=34112 CPUtime=108.66
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 12364 0 0 0 10858 8 0 0 25 0 1 0 219573634 34930688 8226 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 108.66
Current children cumulated vsize (KiB) 34112

[startup+109.502 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1828440/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=34112 CPUtime=109.46
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 12364 0 0 0 10938 8 0 0 25 0 1 0 219573634 34930688 8226 1992294400 4194304 5092341 548682068848 18446744073709551615 4250860 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 109.46
Current children cumulated vsize (KiB) 34112

[startup+109.902 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1828440/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=34112 CPUtime=109.87
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 12364 0 0 0 10979 8 0 0 25 0 1 0 219573634 34930688 8226 1992294400 4194304 5092341 548682068848 18446744073709551615 4241025 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 109.87
Current children cumulated vsize (KiB) 34112

[startup+110.006 s]
/proc/loadavg: 0.99 0.97 0.99 2/68 10320
/proc/meminfo: memFree=1828440/2055920 swapFree=4162572/4192956
[pid=10319] ppid=10317 vsize=34112 CPUtime=109.97
/proc/10319/stat : 10319 (minisat) R 10317 10319 10174 0 -1 4194304 12364 0 0 0 10989 8 0 0 25 0 1 0 219573634 34930688 8226 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/10319/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 109.97
Current children cumulated vsize (KiB) 34112

Child status: 10
Real time (s): 110.094
CPU time (s): 110.066
CPU user time (s): 109.972
CPU system time (s): 0.093985
CPU usage (%): 99.9747
Max. virtual memory (cumulated for all children) (KiB): 34112

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 109.972
system time used= 0.093985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12374
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= 105

runsolver used 0.102984 second user time and 0.307953 second system time

The end

Launcher Data 

Begin job on node68 at 2009-05-10 02:31:15
IDJOB=1784115
IDBENCH=70934
IDSOLVER=608
FILE ID=node68/1784115-1241915475
PBS_JOBID= 9264859
Free space on /tmp= 66376 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/CRAFTED/edgematching/fbcolors/em_7_4_9_fbc.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784115-1241915475/watcher-1784115-1241915475 -o /tmp/evaluation-result-1784115-1241915475/solver-1784115-1241915475 -C 5000 -W 6000 -M 1800  HOME/minisat HOME/instance-1784115-1241915475.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4259362ee72589b1a94d1f5c9f846a0b
RANDOM SEED=939307456

node68.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		: 3000.223
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		: 3000.223
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:       1861888 kB
Buffers:         45456 kB
Cached:          82312 kB
SwapCached:      22784 kB
Active:          85936 kB
Inactive:        67020 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1861888 kB
SwapTotal:     4192956 kB
SwapFree:      4162572 kB
Dirty:            1380 kB
Writeback:           0 kB
Mapped:          14716 kB
Slab:            26668 kB
Committed_AS:   610568 kB
PageTables:       1560 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= 66376 MiB
End job on node68 at 2009-05-10 02:33:05