Trace number 1561821

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 11.9172 11.9248

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 WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.04	c |  Number of variables:          2420                                         |
0.00/0.04	c |  Number of clauses:           62900                                         |
0.00/0.04	c |  Parse time:                   0.04 s                                       |
0.09/0.17	c |  Simplification time:          0.12 s                                       |
0.09/0.17	c |                                                                             |
0.09/0.17	c ============================[ Search Statistics ]==============================
0.09/0.17	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.17	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.17	c ===============================================================================
0.09/0.17	c |       100 |    2416    61604   152054 |    22588      100     37 |  0.000 % |
0.09/0.18	c |       250 |    2403    61604   152054 |    24846      247     46 |  0.537 % |
0.09/0.19	c |       475 |    2403    61604   152054 |    27331      472     46 |  0.537 % |
0.19/0.21	c |       812 |    2398    61604   152054 |    30064      808     50 |  0.744 % |
0.19/0.23	c |      1318 |    2394    61604   152054 |    33071     1313     52 |  0.909 % |
0.19/0.28	c |      2077 |    2373    61079   151004 |    36378     2064     51 |  1.777 % |
0.29/0.34	c |      3216 |    2368    61079   151004 |    40016     3202     51 |  1.983 % |
0.39/0.45	c |      4924 |    2364    60671   150188 |    44017     4902     56 |  2.149 % |
0.59/0.62	c |      7486 |    2364    60671   150188 |    48419     7464     65 |  2.149 % |
0.89/0.93	c |     11330 |    2364    60604   150054 |    53261    11307     72 |  2.149 % |
1.39/1.47	c |     17096 |    2364    60604   150054 |    58587    17073     77 |  2.149 % |
2.98/3.09	c |     25745 |    2364    60604   150054 |    64446    25722     82 |  2.149 % |
5.09/5.11	c |     38719 |    2364    60604   150054 |    70891    38696     89 |  2.149 % |
9.29/9.39	c |     58180 |    2364    60604   150054 |    77980    58157     96 |  2.149 % |
11.88/11.91	c ===============================================================================
11.88/11.91	c restarts              : 205
11.88/11.91	c conflicts             : 67188          (5660 /sec)
11.88/11.91	c decisions             : 381935         (32173 /sec)
11.88/11.91	c propagations          : 6639482        (559293 /sec)
11.88/11.91	c conflict literals     : 6779407        (13.94 % deleted)
11.88/11.91	c Memory used           : 49.56 MB
11.88/11.91	c CPU time              : 11.8712 s
11.88/11.91	c 
11.88/11.91	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-1561821-1238768982/watcher-1561821-1238768982 -o /tmp/evaluation-result-1561821-1238768982/solver-1561821-1238768982 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1561821-1238768982.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 1.00 1.09 3/80 20165
/proc/meminfo: memFree=1774748/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=7740 CPUtime=0
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 469 0 0 0 0 0 0 0 20 0 1 0 1149562023 7925760 453 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 1935 454 63 219 0 1713 0

[startup+0.0583771 s]
/proc/loadavg: 1.00 1.00 1.09 3/80 20165
/proc/meminfo: memFree=1774748/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=10320 CPUtime=0.05
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 1476 0 0 0 5 0 0 0 20 0 1 0 1149562023 10567680 1358 1992294400 4194304 5092341 548682068832 18446744073709551615 4219938 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 2580 1358 87 219 0 2358 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 10320

[startup+0.101381 s]
/proc/loadavg: 1.00 1.00 1.09 3/80 20165
/proc/meminfo: memFree=1774748/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=10320 CPUtime=0.09
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 1477 0 0 0 9 0 0 0 20 0 1 0 1149562023 10567680 1359 1992294400 4194304 5092341 548682068832 18446744073709551615 4223123 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 2580 1359 88 219 0 2358 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10320

[startup+0.301401 s]
/proc/loadavg: 1.00 1.00 1.09 3/80 20165
/proc/meminfo: memFree=1774748/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=9956 CPUtime=0.29
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 1824 0 0 0 29 0 0 0 22 0 1 0 1149562023 10194944 1339 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 2489 1339 103 219 0 2267 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9956

[startup+0.701443 s]
/proc/loadavg: 1.00 1.00 1.09 3/80 20165
/proc/meminfo: memFree=1774748/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=9956 CPUtime=0.69
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 2273 0 0 0 69 0 0 0 25 0 1 0 1149562023 10194944 1788 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 2489 1788 103 219 0 2267 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9956

[startup+1.50153 s]
/proc/loadavg: 1.00 1.00 1.09 2/81 20166
/proc/meminfo: memFree=1766356/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=13548 CPUtime=1.49
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 3287 0 0 0 148 1 0 0 25 0 1 0 1149562023 13873152 2802 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 3387 2802 103 219 0 3165 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13548

[startup+3.10169 s]
/proc/loadavg: 1.00 1.00 1.09 2/81 20166
/proc/meminfo: memFree=1761172/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=18496 CPUtime=3.08
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 4320 0 0 0 307 1 0 0 25 0 1 0 1149562023 18939904 3835 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 4624 3835 103 219 0 4402 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 18496

[startup+6.30202 s]
/proc/loadavg: 1.00 1.00 1.09 2/81 20166
/proc/meminfo: memFree=1752148/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=34960 CPUtime=6.29
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 6839 0 0 0 627 2 0 0 25 0 1 0 1149562023 35799040 6354 1992294400 4194304 5092341 548682068832 18446744073709551615 4241011 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 8740 6354 103 219 0 8518 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 34960

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

[startup+9.50135 s]
/proc/loadavg: 1.00 1.00 1.09 2/81 20166
/proc/meminfo: memFree=1743572/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=36676 CPUtime=9.49
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 8709 0 0 0 946 3 0 0 25 0 1 0 1149562023 37556224 8224 1992294400 4194304 5092341 548682068832 18446744073709551615 4241089 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 9169 8224 103 219 0 8947 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 36676

[startup+11.1015 s]
/proc/loadavg: 1.00 1.00 1.09 2/81 20166
/proc/meminfo: memFree=1738132/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=50476 CPUtime=11.08
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 9682 0 0 0 1105 3 0 0 25 0 1 0 1149562023 51687424 9197 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 12619 9197 103 219 0 12397 0
Current children cumulated CPU time (s) 11.08
Current children cumulated vsize (KiB) 50476

[startup+11.5016 s]
/proc/loadavg: 1.00 1.00 1.09 2/81 20166
/proc/meminfo: memFree=1738132/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=50476 CPUtime=11.48
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 9841 0 0 0 1145 3 0 0 25 0 1 0 1149562023 51687424 9356 1992294400 4194304 5092341 548682068832 18446744073709551615 4241095 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 12619 9356 103 219 0 12397 0
Current children cumulated CPU time (s) 11.48
Current children cumulated vsize (KiB) 50476

[startup+11.9016 s]
/proc/loadavg: 1.00 1.00 1.09 2/81 20166
/proc/meminfo: memFree=1738132/2055920 swapFree=4163588/4192956
[pid=20165] ppid=20163 vsize=50744 CPUtime=11.88
/proc/20165/stat : 20165 (minisat) R 20163 20165 19771 0 -1 4194304 10041 0 0 0 1185 3 0 0 25 0 1 0 1149562023 51961856 9556 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20165/statm: 12686 9556 103 219 0 12464 0
Current children cumulated CPU time (s) 11.88
Current children cumulated vsize (KiB) 50744

Child status: 10
Real time (s): 11.9248
CPU time (s): 11.9172
CPU user time (s): 11.8722
CPU system time (s): 0.044993
CPU usage (%): 99.9364
Max. virtual memory (cumulated for all children) (KiB): 50744

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.8722
system time used= 0.044993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10062
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= 22

runsolver used 0.028995 second user time and 0.039993 second system time

The end

Launcher Data 

Begin job on node90 at 2009-04-03 16:29:44
IDJOB=1561821
IDBENCH=70922
IDSOLVER=546
FILE ID=node90/1561821-1238768982
PBS_JOBID= 9085507
Free space on /tmp= 66532 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561821-1238768982/watcher-1561821-1238768982 -o /tmp/evaluation-result-1561821-1238768982/solver-1561821-1238768982 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1561821-1238768982.cnf

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=2078154923

node90.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		: 3000.234
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		: 3000.234
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:       1775164 kB
Buffers:         31180 kB
Cached:         158680 kB
SwapCached:      18628 kB
Active:          32712 kB
Inactive:       180480 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1775164 kB
SwapTotal:     4192956 kB
SwapFree:      4163588 kB
Dirty:            2052 kB
Writeback:           0 kB
Mapped:          25816 kB
Slab:            51796 kB
Committed_AS:  2662436 kB
PageTables:       2668 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= 66528 MiB
End job on node90 at 2009-04-03 16:29:56