Trace number 305658

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, and are wall clock time (not CPU 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
Mmisat 2007-02-08Signal 82.2385 82.2618

General information on the benchmark

Namerandom/LargeSize/3SAT/v4000/
unif-k3-r4.2-v4000-c16800-S251010207-06.cnf
MD5SUM91dc612395480e1b0d1bd4361bc37ee8
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark58.3301
Satisfiable
(Un)Satisfiability was proved
Number of variables4000
Number of clauses16800
Sum of the clauses size50400
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 316800
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: 



Watcher Data (download as text)




runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node77/watcher-305658-1172083310 -o ROOT/results/node77/solver-305658-1172083310 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/305658-1172083310/mmisat /tmp/evaluation/305658-1172083310/instance-305658-1172083310.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.93 0.99 0.99 3/67 10290
/proc/meminfo: memFree=1957136/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=1572 CPUtime=0
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 247 0 0 0 0 0 0 0 19 0 1 0 3198539 1609728 231 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 393 232 81 214 0 175 0

[startup+0.106686 s]
/proc/loadavg: 0.93 0.99 0.99 3/67 10290
/proc/meminfo: memFree=1957136/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=4344 CPUtime=0.1
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 955 0 0 0 10 0 0 0 20 0 1 0 3198539 4448256 939 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 1086 940 81 214 0 868 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 4344

[startup+0.514734 s]
/proc/loadavg: 0.93 0.99 0.99 3/67 10290
/proc/meminfo: memFree=1957136/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=8700 CPUtime=0.5
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 2030 0 0 0 50 0 0 0 24 0 1 0 3198539 8908800 2014 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 2175 2014 81 214 0 1957 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 8700

[startup+1.33483 s]
/proc/loadavg: 0.93 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1945544/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=13452 CPUtime=1.32
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 3238 0 0 0 131 1 0 0 25 0 1 0 3198539 13774848 3222 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 3363 3222 81 214 0 3145 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 13452

[startup+2.97502 s]
/proc/loadavg: 0.93 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1940616/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=19524 CPUtime=2.96
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 4732 0 0 0 295 1 0 0 25 0 1 0 3198539 19992576 4716 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 4881 4717 81 214 0 4663 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 19524

[startup+6.25041 s]
/proc/loadavg: 0.94 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1932552/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=26124 CPUtime=6.24
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 6393 0 0 0 622 2 0 0 25 0 1 0 3198539 26750976 6377 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517735 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 6531 6377 81 214 0 6313 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 26124

[startup+12.7042 s]
/proc/loadavg: 0.94 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1925640/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=32328 CPUtime=12.69
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 7952 0 0 0 1266 3 0 0 25 0 1 0 3198539 33103872 7936 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 8082 7936 81 214 0 7864 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 32328

[startup+25.6047 s]
/proc/loadavg: 0.95 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1919432/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=38664 CPUtime=25.58
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 9528 0 0 0 2554 4 0 0 25 0 1 0 3198539 39591936 9512 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 9666 9512 81 214 0 9448 0
Current children cumulated CPU time (s) 25.58
Current children cumulated vsize (KiB) 38664

[startup+51.2068 s]
/proc/loadavg: 0.97 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1911944/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=46056 CPUtime=51.18
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 11362 0 0 0 5112 6 0 0 25 0 1 0 3198539 47161344 11346 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 11514 11346 81 214 0 11296 0
Current children cumulated CPU time (s) 51.18
Current children cumulated vsize (KiB) 46056

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

[startup+52.4359 s]
/proc/loadavg: 0.97 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1911688/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=46320 CPUtime=52.41
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 11430 0 0 0 5235 6 0 0 25 0 1 0 3198539 47431680 11414 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 11580 11414 81 214 0 11362 0
Current children cumulated CPU time (s) 52.41
Current children cumulated vsize (KiB) 46320

[startup+65.5465 s]
/proc/loadavg: 0.98 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1908808/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=48960 CPUtime=65.52
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 12118 0 0 0 6545 7 0 0 25 0 1 0 3198539 50135040 12102 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 12240 12102 81 214 0 12022 0
Current children cumulated CPU time (s) 65.52
Current children cumulated vsize (KiB) 48960

[startup+72.0992 s]
/proc/loadavg: 0.98 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1907528/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=50280 CPUtime=72.07
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 12428 0 0 0 7200 7 0 0 25 0 1 0 3198539 51486720 12412 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 12570 12412 81 214 0 12352 0
Current children cumulated CPU time (s) 72.07
Current children cumulated vsize (KiB) 50280

[startup+78.652 s]
/proc/loadavg: 0.98 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1906504/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=51468 CPUtime=78.62
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 12726 0 0 0 7854 8 0 0 25 0 1 0 3198539 52703232 12710 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 12867 12710 81 214 0 12649 0
Current children cumulated CPU time (s) 78.62
Current children cumulated vsize (KiB) 51468

[startup+80.2942 s]
/proc/loadavg: 0.98 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1906056/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=51732 CPUtime=80.26
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 12798 0 0 0 8018 8 0 0 25 0 1 0 3198539 52973568 12782 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 12933 12782 81 214 0 12715 0
Current children cumulated CPU time (s) 80.26
Current children cumulated vsize (KiB) 51732

[startup+81.1103 s]
/proc/loadavg: 0.98 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1905864/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=51864 CPUtime=81.08
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 12834 0 0 0 8100 8 0 0 25 0 1 0 3198539 53108736 12818 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 12966 12818 81 214 0 12748 0
Current children cumulated CPU time (s) 81.08
Current children cumulated vsize (KiB) 51864

[startup+81.9294 s]
/proc/loadavg: 0.98 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1905864/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=51996 CPUtime=81.89
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4194304 12870 0 0 0 8181 8 0 0 25 0 1 0 3198539 53243904 12854 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 12999 12854 81 214 0 12781 0
Current children cumulated CPU time (s) 81.89
Current children cumulated vsize (KiB) 51996

[startup+82.1334 s]
/proc/loadavg: 0.98 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1905864/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=51996 CPUtime=82.1
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4195840 12879 0 0 0 8195 15 0 0 25 0 1 0 3198539 53243904 12860 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134546591 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 12999 12860 83 214 0 12781 0
Current children cumulated CPU time (s) 82.1
Current children cumulated vsize (KiB) 51996

[startup+82.2354 s]
/proc/loadavg: 0.98 0.99 0.99 2/68 10291
/proc/meminfo: memFree=1858376/2055892 swapFree=4096420/4096564
[pid=10290] ppid=10288 vsize=51996 CPUtime=82.2
/proc/10290/stat : 10290 (mmisat) R 10288 10290 10051 0 -1 4195840 12879 0 0 0 8195 25 0 0 25 0 1 0 3198539 53243904 12860 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134546591 0 0 4096 0 0 0 0 17 1 0 0
/proc/10290/statm: 12999 12860 83 214 0 12781 0
Current children cumulated CPU time (s) 82.2
Current children cumulated vsize (KiB) 51996

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 82.2618
CPU time (s): 82.2385
CPU user time (s): 81.9585
CPU system time (s): 0.279957
CPU usage (%): 99.9716
Max. virtual memory (cumulated for all children) (KiB): 51996

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 81.9585
system time used= 0.279957
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12882
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= 5
involuntary context switches= 70

runsolver used 0.075988 second user time and 0.150977 second system time

The end



Launcher Data (download as text)




Begin job on node77 on Wed Feb 21 18:41:50 UTC 2007

IDJOB= 305658
IDBENCH= 20162
IDSOLVER= 108
FILE ID= node77/305658-1172083310

PBS_JOBID= 3892829

Free space on /tmp= 66650 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/3SAT/v4000/unif-k3-r4.2-v4000-c16800-S251010207-06.cnf
COMMAND LINE= /tmp/evaluation/305658-1172083310/mmisat /tmp/evaluation/305658-1172083310/instance-305658-1172083310.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node77/watcher-305658-1172083310 -o ROOT/results/node77/solver-305658-1172083310 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/305658-1172083310/mmisat /tmp/evaluation/305658-1172083310/instance-305658-1172083310.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  91dc612395480e1b0d1bd4361bc37ee8

RANDOM SEED= 967222105

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node77.alineos.net 2.6.9-34.ELsmp #1 SMP Thu Mar 9 06:23:23 GMT 2006 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.239
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	: 6006.15
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		: 3000.239
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	: 5999.41
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055892 kB
MemFree:       1957608 kB
Buffers:          4232 kB
Cached:          31604 kB
SwapCached:          0 kB
Active:          34076 kB
Inactive:        17456 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055892 kB
LowFree:       1957608 kB
SwapTotal:     4096564 kB
SwapFree:      4096420 kB
Dirty:            1384 kB
Writeback:           0 kB
Mapped:          25916 kB
Slab:            33212 kB
Committed_AS:    57152 kB
PageTables:       1420 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66600 MiB

End job on node77 on Wed Feb 21 18:43:12 UTC 2007