Trace number 320588

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 2007-02-08? (MO) 62.0186 62.1903

General information on the benchmark

Nameindustrial/narain/
clauses-4.cnf
MD5SUM47aea57a75df97a09b0fd4dea46085be
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark33.6819
Satisfiable
(Un)Satisfiability was proved
Number of variables267766
Number of clauses1002957
Sum of the clauses size2476573
Maximum clause length217
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 2756840
Number of clauses of size 3179525
Number of clauses of size 42715
Number of clauses of size 553863
Number of clauses of size over 510013

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/node61/watcher-320588-1173048190 -o ROOT/results/node61/solver-320588-1173048190 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/320588-1173048190/mmisat /tmp/evaluation/320588-1173048190/instance-320588-1173048190.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: 1.00 1.00 0.99 3/64 20930
/proc/meminfo: memFree=1565992/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=2620 CPUtime=0
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 502 0 0 0 0 0 0 0 18 0 1 0 324775935 2682880 485 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 655 485 81 214 0 437 0

[startup+0.0797141 s]
/proc/loadavg: 1.00 1.00 0.99 3/64 20930
/proc/meminfo: memFree=1565992/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=27936 CPUtime=0.07
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 6855 0 0 0 5 2 0 0 18 0 1 0 324775935 28606464 6838 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 7033 6843 81 214 0 6815 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 27936

[startup+0.101714 s]
/proc/loadavg: 1.00 1.00 0.99 3/64 20930
/proc/meminfo: memFree=1565992/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=35196 CPUtime=0.09
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 8646 0 0 0 6 3 0 0 18 0 1 0 324775935 36040704 8629 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 8799 8629 81 214 0 8581 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 35196

[startup+0.301734 s]
/proc/loadavg: 1.00 1.00 0.99 3/64 20930
/proc/meminfo: memFree=1565992/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=96032 CPUtime=0.29
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 23867 0 0 0 20 9 0 0 19 0 1 0 324775935 98336768 23851 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 24008 23856 81 214 0 23790 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 96032

[startup+0.701771 s]
/proc/loadavg: 1.00 1.00 0.99 3/64 20930
/proc/meminfo: memFree=1565992/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=202396 CPUtime=0.69
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 50446 0 0 0 48 21 0 0 22 0 1 0 324775935 207253504 50429 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 50599 50429 81 214 0 50381 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 202396

[startup+1.50185 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=1294560/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=375676 CPUtime=1.49
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 93773 0 0 0 108 41 0 0 25 0 1 0 324775935 384692224 93756 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 93919 93761 81 214 0 93701 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 375676

[startup+3.102 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=1081696/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=630792 CPUtime=3.09
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 157545 0 0 0 240 69 0 0 25 0 1 0 324775935 645931008 157528 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 157698 157528 81 214 0 157480 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 630792

[startup+6.30131 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=721952/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=898860 CPUtime=6.29
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 224562 0 0 0 535 94 0 0 25 0 1 0 324775935 920432640 224545 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 224715 224545 81 214 0 224497 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 898860

[startup+12.7019 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=434472/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=1149656 CPUtime=12.69
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 287261 0 0 0 1152 117 0 0 25 0 1 0 324775935 1177247744 287244 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 287414 287244 81 214 0 287196 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 1149656

[startup+25.5011 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=170728/2055920 swapFree=4183408/4192956
[pid=20930] ppid=20928 vsize=1398492 CPUtime=25.48
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 349470 0 0 0 2412 136 0 0 25 0 1 0 324775935 1432055808 349453 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 349623 349453 81 214 0 349405 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1398492

[startup+51.1016 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=15400/2055920 swapFree=4183424/4192956
[pid=20930] ppid=20928 vsize=1732496 CPUtime=51
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 432971 0 0 0 4936 164 0 0 25 0 1 0 324775935 1774075904 432954 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 0 0 0
/proc/20930/statm: 433124 432954 81 214 0 432906 0
Current children cumulated CPU time (s) 51
Current children cumulated vsize (KiB) 1732496



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+61.9026 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=15016/2055920 swapFree=4183424/4192956
[pid=20930] ppid=20928 vsize=1843960 CPUtime=61.73
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4194304 460837 0 0 0 6000 173 0 0 25 0 1 0 324775935 1888215040 460820 18446744073709551615 134512640 135391789 4294956720 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 460990 460820 81 214 0 460772 0
Current children cumulated CPU time (s) 61.73
Current children cumulated vsize (KiB) 1843960

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+62.0066 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=15016/2055920 swapFree=4183424/4192956
[pid=20930] ppid=20928 vsize=0 CPUtime=61.83
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4195332 460837 0 0 0 6000 183 0 0 25 0 1 0 324775935 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 61.83
Current children cumulated vsize (KiB) 0

[startup+62.1026 s]
/proc/loadavg: 1.00 1.00 0.99 2/65 20931
/proc/meminfo: memFree=15016/2055920 swapFree=4183424/4192956
[pid=20930] ppid=20928 vsize=0 CPUtime=61.92
/proc/20930/stat : 20930 (mmisat) R 20928 20930 20322 0 -1 4195332 460837 0 0 0 6000 192 0 0 25 0 1 0 324775935 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/20930/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 61.92
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 62.1903
CPU time (s): 62.0186
CPU user time (s): 60.0029
CPU system time (s): 2.01569
CPU usage (%): 99.7239
Max. virtual memory (cumulated for all children) (KiB): 1843960

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 60.0029
system time used= 2.01569
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 460837
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= 404

runsolver used 0.067989 second user time and 0.139978 second system time

The end



Launcher Data (download as text)




Begin job on node61 on Sun Mar  4 22:43:10 UTC 2007

IDJOB= 320588
IDBENCH= 20507
IDSOLVER= 108
FILE ID= node61/320588-1173048190

PBS_JOBID= 4012497

Free space on /tmp= 66511 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/narain/clauses-4.cnf
COMMAND LINE= /tmp/evaluation/320588-1173048190/mmisat /tmp/evaluation/320588-1173048190/instance-320588-1173048190.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node61/watcher-320588-1173048190 -o ROOT/results/node61/solver-320588-1173048190 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/320588-1173048190/mmisat /tmp/evaluation/320588-1173048190/instance-320588-1173048190.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  47aea57a75df97a09b0fd4dea46085be

RANDOM SEED= 650741493

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node61.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		: 3000.216
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		: 3000.216
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:       1566464 kB
Buffers:         22348 kB
Cached:         382652 kB
SwapCached:       3612 kB
Active:         177468 kB
Inactive:       237128 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1566464 kB
SwapTotal:     4192956 kB
SwapFree:      4183408 kB
Dirty:           19284 kB
Writeback:           0 kB
Mapped:          15560 kB
Slab:            60992 kB
Committed_AS:   859660 kB
PageTables:       1388 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= 66511 MiB

End job on node61 on Sun Mar  4 22:44:14 UTC 2007