Trace number 319986

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
CMUSAT 2007-02-08SAT 5.69013 5.71889

General information on the benchmark

Nameindustrial/grieu/
vmpc_28.cnf
MD5SUM2679ca6fb11bcf9f950de09652ce7147
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.69013
Satisfiable
(Un)Satisfiability was proved
Number of variables784
Number of clauses108080
Sum of the clauses size283220
Maximum clause length28
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 242420
Number of clauses of size 365604
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 556

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  784                                                  |
0.00/0.09	c |  Number of clauses:    108080                                               |
5.59/5.69	c |  Parsing time:         0.08         sec                                       |
5.59/5.69	c #varS 784 #clauseS 80113
5.59/5.69	c REMAP internally 1
5.59/5.69	c After remapping new number of variables: 784
5.59/5.69	c DBreduced=0 GV=101[0]  GL=80214[ 80113,101] Prune=788 decisions=687 restart=0 est=0.0001629 DB Impl=14386[0]  
5.59/5.69	c DBreduced=0 GV=151[0]  GL=80264[ 80113,151] Prune=903 decisions=752 restart=1 est=0.000325593 DB Impl=24899[0]  
5.59/5.69	c DBreduced=0 GV=226[0]  GL=80339[ 80113,226] Prune=1079 decisions=853 restart=2 est=0.0001629 DB Impl=35147[0]  
5.59/5.69	c DBreduced=0 GV=338[0]  GL=80451[ 80113,338] Prune=1317 decisions=979 restart=3 est=0.000325593 DB Impl=54313[0]  
5.59/5.69	c DBreduced=0 GV=507[0]  GL=80620[ 80113,507] Prune=1683 decisions=1176 restart=4 est=0.0001629 DB Impl=79973[0]  
5.59/5.69	c DBreduced=0 GV=760[0]  GL=80873[ 80113,760] Prune=2217 decisions=1457 restart=5 est=0.000163108 DB Impl=123477[0]  
5.59/5.69	c DBreduced=0 GV=1140[0]  GL=81253[ 80113,1140] Prune=3001 decisions=1861 restart=6 est=0.0001629 DB Impl=185684[0]  
5.59/5.69	c DBreduced=0 GV=1709[0]  GL=81822[ 80113,1709] Prune=4158 decisions=2449 restart=7 est=0.0001629 DB Impl=260848[0]  
5.59/5.69	c DBreduced=0 GV=2564[0]  GL=82677[ 80113,2564] Prune=5926 decisions=3362 restart=8 est=0.000162919 DB Impl=394336[0]  
5.59/5.69	c DBreduced=0 GV=3846[0]  GL=83959[ 80113,3846] Prune=8540 decisions=4694 restart=9 est=0.000163108 DB Impl=613191[0]  
5.59/5.69	c DBreduced=0 GV=5767[0]  GL=85880[ 80113,5767] Prune=12448 decisions=6681 restart=10 est=0.0001629 DB Impl=942194[0]  
5.59/5.69	c DBreduced=0 GV=8650[0]  GL=88763[ 80113,8650] Prune=18344 decisions=9694 restart=11 est=0.0001629 DB Impl=1423399[0]  
5.59/5.69	c DBreduced=0 GV=12975[0]  GL=93088[ 80113,12975] Prune=27127 decisions=14152 restart=12 est=0.0001629 DB Impl=2090481[0]  
5.59/5.69	c DBreduced=0 GV=19462[0]  GL=99575[ 80113,19462] Prune=40264 decisions=20802 restart=13 est=0.000162919 DB Impl=3202774[0]  
5.59/5.69	c After partial model completion 784 assignments
5.59/5.69	c REMAP internally 0
5.59/5.69	c Number of variables:  784
5.59/5.69	c Number of clauses:    108080
5.59/5.69	c #Total time (in seconds): 5.65414
5.59/5.69	c #Memory used (in MB): 10.6367
5.59/5.69	c 
5.59/5.69	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node3/watcher-319986-1173039081 -o ROOT/results/node3/solver-319986-1173039081 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/319986-1173039081/cmusat /tmp/evaluation/319986-1173039081/instance-319986-1173039081.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 0.94 3/77 10382
/proc/meminfo: memFree=1827176/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=2324 CPUtime=0
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 441 0 0 0 0 0 0 0 18 0 1 0 323862959 2379776 424 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 581 424 96 243 0 335 0

[startup+0.0981009 s]
/proc/loadavg: 0.92 0.98 0.94 3/77 10382
/proc/meminfo: memFree=1827176/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=8488 CPUtime=0.08
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 1911 0 0 0 8 0 0 0 18 0 1 0 323862959 8691712 1894 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134530504 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 2122 1894 107 243 0 1876 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 8488

[startup+0.101101 s]
/proc/loadavg: 0.92 0.98 0.94 3/77 10382
/proc/meminfo: memFree=1827176/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=8488 CPUtime=0.09
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 1911 0 0 0 9 0 0 0 18 0 1 0 323862959 8691712 1894 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134530502 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 2122 1894 107 243 0 1876 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8488

[startup+0.301118 s]
/proc/loadavg: 0.92 0.98 0.94 3/77 10382
/proc/meminfo: memFree=1827176/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=8488 CPUtime=0.29
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 1915 0 0 0 29 0 0 0 19 0 1 0 323862959 8691712 1898 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134530328 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 2122 1898 107 243 0 1876 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8488

[startup+0.701151 s]
/proc/loadavg: 0.92 0.98 0.94 3/77 10382
/proc/meminfo: memFree=1827176/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=8488 CPUtime=0.69
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 1920 0 0 0 69 0 0 0 22 0 1 0 323862959 8691712 1903 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134531005 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 2122 1903 107 243 0 1876 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8488

[startup+1.50122 s]
/proc/loadavg: 0.92 0.98 0.94 2/78 10383
/proc/meminfo: memFree=1819616/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=11644 CPUtime=1.49
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 4373 0 0 0 148 1 0 0 25 0 1 0 323862959 11923456 2151 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589593 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 2911 2151 118 243 0 2665 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11644

[startup+3.10135 s]
/proc/loadavg: 0.92 0.98 0.94 2/78 10383
/proc/meminfo: memFree=1818528/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=13360 CPUtime=3.09
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 4870 0 0 0 307 2 0 0 25 0 1 0 323862959 13680640 2648 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134579083 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 3340 2648 118 243 0 3094 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13360

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

[startup+4.70148 s]
/proc/loadavg: 0.93 0.98 0.94 2/78 10383
/proc/meminfo: memFree=1814624/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=15736 CPUtime=4.68
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 5542 0 0 0 466 2 0 0 25 0 1 0 323862959 16113664 3320 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134581122 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 3934 3320 118 243 0 3688 0
Current children cumulated CPU time (s) 4.68
Current children cumulated vsize (KiB) 15736

[startup+5.50554 s]
/proc/loadavg: 0.93 0.98 0.94 2/78 10383
/proc/meminfo: memFree=1812960/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=16924 CPUtime=5.49
/proc/10382/stat : 10382 (cmusat) R 10380 10382 9269 0 -1 4194304 5852 0 0 0 546 3 0 0 25 0 1 0 323862959 17330176 3630 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589851 0 0 4096 35 0 0 0 17 1 0 0
/proc/10382/statm: 4231 3630 118 243 0 3985 0
Current children cumulated CPU time (s) 5.49
Current children cumulated vsize (KiB) 16924

[startup+5.70156 s]
/proc/loadavg: 0.93 0.98 0.94 2/78 10383
/proc/meminfo: memFree=1812960/2055920 swapFree=4191880/4192956
[pid=10382] ppid=10380 vsize=0 CPUtime=5.68
/proc/10382/stat : 10382 (cmusat) D 10380 10382 9269 0 -1 4194308 5885 0 0 0 565 3 0 0 15 0 1 0 323862959 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 35 18446744072100051646 0 0 17 0 0 0
/proc/10382/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 5.68
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 5.71889
CPU time (s): 5.69013
CPU user time (s): 5.65414
CPU system time (s): 0.035994
CPU usage (%): 99.4972
Max. virtual memory (cumulated for all children) (KiB): 16924

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.65414
system time used= 0.035994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5885
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= 8
involuntary context switches= 14

runsolver used 0.009998 second user time and 0.018997 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Sun Mar  4 20:11:21 UTC 2007

IDJOB= 319986
IDBENCH= 20492
IDSOLVER= 121
FILE ID= node3/319986-1173039081

PBS_JOBID= 4012249

Free space on /tmp= 66536 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/grieu/vmpc_28.cnf
COMMAND LINE= /tmp/evaluation/319986-1173039081/cmusat /tmp/evaluation/319986-1173039081/instance-319986-1173039081.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-319986-1173039081 -o ROOT/results/node3/solver-319986-1173039081 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/319986-1173039081/cmusat /tmp/evaluation/319986-1173039081/instance-319986-1173039081.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  2679ca6fb11bcf9f950de09652ce7147

RANDOM SEED= 598292436

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.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		: 3000.241
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		: 3000.241
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:       1827584 kB
Buffers:          7772 kB
Cached:         107696 kB
SwapCached:        268 kB
Active:          68944 kB
Inactive:       102884 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1827584 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            3952 kB
Writeback:           0 kB
Mapped:          66524 kB
Slab:            42188 kB
Committed_AS:  1409620 kB
PageTables:       1660 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= 66536 MiB

End job on node3 on Sun Mar  4 20:11:27 UTC 2007