Trace number 338234

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 19.0861 19.0932

General information on the benchmark

Namecrafted/Difficult/contest05/QG/
QG6-gensys-icl008.sat05-2720.reshuffled-07.cnf
MD5SUMf1b3061e7694aa99406ed9e867c9dfa5
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark65.771
Satisfiable
(Un)Satisfiability was proved
Number of variables1610
Number of clauses8277
Sum of the clauses size69859
Maximum clause length16
Minimum clause length1
Number of clauses of size 133
Number of clauses of size 2283
Number of clauses of size 31178
Number of clauses of size 4142
Number of clauses of size 5924
Number of clauses of size over 55717

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 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node9/watcher-338234-1173682549 -o ROOT/results/node9/solver-338234-1173682549 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/338234-1173682549/mmisat /tmp/evaluation/338234-1173682549/instance-338234-1173682549.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): 2400 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: 0.92 0.98 0.99 3/77 6694
/proc/meminfo: memFree=1820616/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=1308 CPUtime=0
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 180 0 0 0 0 0 0 0 18 0 1 0 388209545 1339392 163 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 327 163 81 214 0 109 0

[startup+0.047248 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 6694
/proc/meminfo: memFree=1820616/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=1704 CPUtime=0.04
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 299 0 0 0 4 0 0 0 18 0 1 0 388209545 1744896 282 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 426 282 81 214 0 208 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1704

[startup+0.101257 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 6694
/proc/meminfo: memFree=1820616/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=2100 CPUtime=0.09
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 382 0 0 0 9 0 0 0 18 0 1 0 388209545 2150400 365 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 525 365 81 214 0 307 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2100

[startup+0.301297 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 6694
/proc/meminfo: memFree=1820616/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=2892 CPUtime=0.29
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 580 0 0 0 29 0 0 0 19 0 1 0 388209545 2961408 563 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 723 563 81 214 0 505 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2892

[startup+0.701373 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 6694
/proc/meminfo: memFree=1820616/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=3816 CPUtime=0.69
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 831 0 0 0 69 0 0 0 22 0 1 0 388209545 3907584 814 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 954 814 81 214 0 736 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3816

[startup+1.50153 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1817024/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=5268 CPUtime=1.49
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 1178 0 0 0 149 0 0 0 25 0 1 0 388209545 5394432 1161 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 1317 1161 81 214 0 1099 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5268

[startup+3.10284 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1815296/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=7116 CPUtime=3.09
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 1645 0 0 0 309 0 0 0 25 0 1 0 388209545 7286784 1628 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 1779 1628 81 214 0 1561 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7116

[startup+6.30145 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1812160/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=9624 CPUtime=6.29
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 2263 0 0 0 629 0 0 0 25 0 1 0 388209545 9854976 2246 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 2406 2246 81 214 0 2188 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 9624

[startup+12.7017 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1809536/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=11640 CPUtime=12.69
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 2783 0 0 0 1268 1 0 0 25 0 1 0 388209545 11919360 2766 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134518886 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 2910 2766 84 214 0 2692 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11640

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

[startup+15.9013 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1809536/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=11640 CPUtime=15.89
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 2783 0 0 0 1588 1 0 0 25 0 1 0 388209545 11919360 2766 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134518767 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 2910 2766 84 214 0 2692 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 11640

[startup+17.5016 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1809536/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=11640 CPUtime=17.49
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 2783 0 0 0 1748 1 0 0 25 0 1 0 388209545 11919360 2766 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134518942 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 2910 2766 84 214 0 2692 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 11640

[startup+18.3028 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1809536/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=11640 CPUtime=18.29
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 2783 0 0 0 1828 1 0 0 25 0 1 0 388209545 11919360 2766 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134518786 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 2910 2766 84 214 0 2692 0
Current children cumulated CPU time (s) 18.29
Current children cumulated vsize (KiB) 11640

[startup+18.7058 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1809536/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=21416 CPUtime=18.69
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 5205 0 0 0 1868 1 0 0 25 0 1 0 388209545 21929984 5188 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134516164 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 5354 5188 85 214 0 5136 0
Current children cumulated CPU time (s) 18.69
Current children cumulated vsize (KiB) 21416

[startup+18.9019 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1809536/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=31316 CPUtime=18.89
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 7684 0 0 0 1887 2 0 0 25 0 1 0 388209545 32067584 7667 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134518994 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 7829 7667 85 214 0 7611 0
Current children cumulated CPU time (s) 18.89
Current children cumulated vsize (KiB) 31316

[startup+19.0019 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 6695
/proc/meminfo: memFree=1809536/2055920 swapFree=4152244/4192956
[pid=6694] ppid=6692 vsize=21444 CPUtime=18.98
/proc/6694/stat : 6694 (mmisat) R 6692 6694 4800 0 -1 4194304 7690 0 0 0 1896 2 0 0 25 0 1 0 388209545 21958656 5226 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134524262 0 0 4096 0 0 0 0 17 1 0 0
/proc/6694/statm: 5361 5226 86 214 0 5143 0
Current children cumulated CPU time (s) 18.98
Current children cumulated vsize (KiB) 21444

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 19.0932
CPU time (s): 19.0861
CPU user time (s): 18.9741
CPU system time (s): 0.111982
CPU usage (%): 99.9626
Max. virtual memory (cumulated for all children) (KiB): 31316

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 18.9741
system time used= 0.111982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7695
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= 6
involuntary context switches= 24

runsolver used 0.020996 second user time and 0.052991 second system time

The end



Launcher Data (download as text)




Begin job on node9 on Mon Mar 12 06:55:49 UTC 2007

IDJOB= 338234
IDBENCH= 24718
IDSOLVER= 108
FILE ID= node9/338234-1173682549

PBS_JOBID= 4101466

Free space on /tmp= 66352 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Difficult/contest05/QG/QG6-gensys-icl008.sat05-2720.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/338234-1173682549/mmisat /tmp/evaluation/338234-1173682549/instance-338234-1173682549.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-338234-1173682549 -o ROOT/results/node9/solver-338234-1173682549 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/338234-1173682549/mmisat /tmp/evaluation/338234-1173682549/instance-338234-1173682549.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  f1b3061e7694aa99406ed9e867c9dfa5

RANDOM SEED= 881479583

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node9.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 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		: 3000.263
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		: 3000.263
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:       1821024 kB
Buffers:         37392 kB
Cached:         114964 kB
SwapCached:       9212 kB
Active:         115300 kB
Inactive:        60312 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1821024 kB
SwapTotal:     4192956 kB
SwapFree:      4152244 kB
Dirty:            1452 kB
Writeback:           0 kB
Mapped:          29744 kB
Slab:            44960 kB
Committed_AS:  1563516 kB
PageTables:       1688 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= 66332 MiB

End job on node9 on Mon Mar 12 06:56:08 UTC 2007