Trace number 1784071

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 11.3453 11.3487

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 benchmark3.00354
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:          0.13 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 % |
2.49/2.51	c |     25745 |    2364    60604   150054 |    64446    25722     82 |  2.149 % |
4.49/4.53	c |     38719 |    2364    60604   150054 |    70891    38696     89 |  2.149 % |
8.79/8.82	c |     58180 |    2364    60604   150054 |    77980    58157     96 |  2.149 % |
11.29/11.34	c ===============================================================================
11.29/11.34	c restarts              : 205
11.29/11.34	c conflicts             : 67188          (5954 /sec)
11.29/11.34	c decisions             : 381935         (33847 /sec)
11.29/11.34	c propagations          : 6639482        (588383 /sec)
11.29/11.34	c conflict literals     : 6779407        (13.94 % deleted)
11.29/11.34	c Memory used           : 49.56 MB
11.29/11.34	c CPU time              : 11.2843 s
11.29/11.34	c 
11.29/11.34	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-1784071-1241914541/watcher-1784071-1241914541 -o /tmp/evaluation-result-1784071-1241914541/solver-1784071-1241914541 -C 5000 -W 6000 -M 1800 HOME/minisat HOME/instance-1784071-1241914541.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: 0.97 0.95 0.98 3/64 21081
/proc/meminfo: memFree=1220024/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=7740 CPUtime=0
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 448 0 0 0 0 0 0 0 18 0 1 0 219482319 7925760 432 1992294400 4194304 5092341 548682068848 18446744073709551615 4515195 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 1935 433 63 219 0 1713 0

[startup+0.100935 s]
/proc/loadavg: 0.97 0.95 0.98 3/64 21081
/proc/meminfo: memFree=1220024/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=10320 CPUtime=0.09
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 1477 0 0 0 9 0 0 0 18 0 1 0 219482319 10567680 1359 1992294400 4194304 5092341 548682068848 18446744073709551615 4224113 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 2580 1359 88 219 0 2358 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10320

[startup+0.201946 s]
/proc/loadavg: 0.97 0.95 0.98 3/64 21081
/proc/meminfo: memFree=1220024/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=9956 CPUtime=0.19
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 1731 0 0 0 19 0 0 0 18 0 1 0 219482319 10194944 1246 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 2489 1246 102 219 0 2267 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 9956

[startup+0.301956 s]
/proc/loadavg: 0.97 0.95 0.98 3/64 21081
/proc/meminfo: memFree=1220024/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=9956 CPUtime=0.29
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 1823 0 0 0 29 0 0 0 19 0 1 0 219482319 10194944 1338 1992294400 4194304 5092341 548682068848 18446744073709551615 4240611 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 2489 1338 103 219 0 2267 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9956

[startup+0.702001 s]
/proc/loadavg: 0.97 0.95 0.98 3/64 21081
/proc/meminfo: memFree=1220024/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=9956 CPUtime=0.69
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 2272 0 0 0 69 0 0 0 23 0 1 0 219482319 10194944 1787 1992294400 4194304 5092341 548682068848 18446744073709551615 4241095 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 2489 1787 103 219 0 2267 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9956

[startup+1.50109 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1211184/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=13548 CPUtime=1.49
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 3283 0 0 0 148 1 0 0 25 0 1 0 219482319 13873152 2798 1992294400 4194304 5092341 548682068848 18446744073709551615 4240843 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 3387 2798 103 219 0 3165 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13548

[startup+3.10127 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1206192/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=18908 CPUtime=3.09
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 4821 0 0 0 307 2 0 0 25 0 1 0 219482319 19361792 4336 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 4727 4336 103 219 0 4505 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 18908

[startup+6.30162 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1195440/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=35356 CPUtime=6.29
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 7196 0 0 0 626 3 0 0 25 0 1 0 219482319 36204544 6711 1992294400 4194304 5092341 548682068848 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 8839 6711 103 219 0 8617 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 35356

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

[startup+6.40163 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1195440/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=35356 CPUtime=6.39
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 7248 0 0 0 636 3 0 0 25 0 1 0 219482319 36204544 6763 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 8839 6763 103 219 0 8617 0
Current children cumulated CPU time (s) 6.39
Current children cumulated vsize (KiB) 35356

[startup+9.60198 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1187504/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=36944 CPUtime=9.59
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 9127 0 0 0 955 4 0 0 25 0 1 0 219482319 37830656 8642 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 9236 8642 103 219 0 9014 0
Current children cumulated CPU time (s) 9.59
Current children cumulated vsize (KiB) 36944

[startup+10.4011 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1184432/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=50476 CPUtime=10.38
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 9643 0 0 0 1034 4 0 0 25 0 1 0 219482319 51687424 9158 1992294400 4194304 5092341 548682068848 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 12619 9158 103 219 0 12397 0
Current children cumulated CPU time (s) 10.38
Current children cumulated vsize (KiB) 50476

[startup+10.8011 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1184432/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=50476 CPUtime=10.78
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 9789 0 0 0 1074 4 0 0 25 0 1 0 219482319 51687424 9304 1992294400 4194304 5092341 548682068848 18446744073709551615 4240661 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 12619 9304 103 219 0 12397 0
Current children cumulated CPU time (s) 10.78
Current children cumulated vsize (KiB) 50476

[startup+11.2012 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1182512/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=50744 CPUtime=11.19
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 9954 0 0 0 1114 5 0 0 25 0 1 0 219482319 51961856 9469 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 12686 9469 103 219 0 12464 0
Current children cumulated CPU time (s) 11.19
Current children cumulated vsize (KiB) 50744

[startup+11.3012 s]
/proc/loadavg: 0.97 0.95 0.98 2/65 21082
/proc/meminfo: memFree=1182512/2055920 swapFree=4180856/4192956
[pid=21081] ppid=21079 vsize=50744 CPUtime=11.29
/proc/21081/stat : 21081 (minisat) R 21079 21081 20990 0 -1 4194304 10024 0 0 0 1124 5 0 0 25 0 1 0 219482319 51961856 9539 1992294400 4194304 5092341 548682068848 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 0 0 0
/proc/21081/statm: 12686 9539 103 219 0 12464 0
Current children cumulated CPU time (s) 11.29
Current children cumulated vsize (KiB) 50744

Child status: 10
Real time (s): 11.3487
CPU time (s): 11.3453
CPU user time (s): 11.2853
CPU system time (s): 0.05999
CPU usage (%): 99.9697
Max. virtual memory (cumulated for all children) (KiB): 50744

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.2853
system time used= 0.05999
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= 27

runsolver used 0.011998 second user time and 0.038994 second system time

The end

Launcher Data 

Begin job on node42 at 2009-05-10 02:15:41
IDJOB=1784071
IDBENCH=70922
IDSOLVER=608
FILE ID=node42/1784071-1241914541
PBS_JOBID= 9264856
Free space on /tmp= 66140 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784071-1241914541/watcher-1784071-1241914541 -o /tmp/evaluation-result-1784071-1241914541/solver-1784071-1241914541 -C 5000 -W 6000 -M 1800  HOME/minisat HOME/instance-1784071-1241914541.cnf

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=1288523767

node42.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		: 3000.232
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		: 3000.232
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:       1220440 kB
Buffers:         54028 kB
Cached:         711176 kB
SwapCached:       5916 kB
Active:          40460 kB
Inactive:       733680 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1220440 kB
SwapTotal:     4192956 kB
SwapFree:      4180856 kB
Dirty:            1872 kB
Writeback:           0 kB
Mapped:          14596 kB
Slab:            47376 kB
Committed_AS:   795380 kB
PageTables:       1392 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= 66140 MiB
End job on node42 at 2009-05-10 02:15:53