Trace number 332618

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 BASE 2007-02-08SAT 15.6616 15.6668

General information on the benchmark

Namecrafted/Medium/contest05/pebbling/
sat-pbl-00400.sat05-1322.reshuffled-07.cnf
MD5SUM29cf0f53dfca3fe2e94789628bed3971
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.46547
Satisfiable
(Un)Satisfiability was proved
Number of variables1497
Number of clauses73374
Sum of the clauses size615277
Maximum clause length11
Minimum clause length1
Number of clauses of size 16
Number of clauses of size 242
Number of clauses of size 3337
Number of clauses of size 4413
Number of clauses of size 53127
Number of clauses of size over 569449

Solver Data (download as text)

15.59/15.66	c Number of variables:  1497
15.59/15.66	c Number of clauses:    73374
15.59/15.66	c DBreduced=0 GV=101[0]  GL=73468[ 73368,100] Prune=8139 decisions=8037 restart=0 est=0.467647 DB Impl=2240[0]  
15.59/15.66	c DBreduced=0 GV=151[0]  GL=73518[ 73368,150] Prune=11050 decisions=10898 restart=1 est=0.467647 DB Impl=2976[0]  
15.59/15.66	c DBreduced=0 GV=226[0]  GL=73593[ 73368,225] Prune=11505 decisions=11278 restart=2 est=0.467647 DB Impl=3268[0]  
15.59/15.66	c DBreduced=0 GV=338[0]  GL=73705[ 73368,337] Prune=11827 decisions=11488 restart=3 est=0.467647 DB Impl=3678[0]  
15.59/15.66	c DBreduced=0 GV=507[0]  GL=73874[ 73368,506] Prune=14585 decisions=14077 restart=4 est=0.467647 DB Impl=4866[0]  
15.59/15.66	c DBreduced=0 GV=761[0]  GL=74128[ 73368,760] Prune=15738 decisions=14976 restart=5 est=0.467647 DB Impl=6038[0]  
15.59/15.66	c DBreduced=0 GV=1140[0]  GL=74507[ 73368,1139] Prune=17306 decisions=16165 restart=6 est=0.467647 DB Impl=8382[0]  
15.59/15.66	c DBreduced=0 GV=1709[0]  GL=75076[ 73368,1708] Prune=19046 decisions=17336 restart=7 est=0.467647 DB Impl=11085[0]  
15.59/15.66	c DBreduced=0 GV=2564[0]  GL=75931[ 73368,2563] Prune=24420 decisions=21855 restart=8 est=0.467647 DB Impl=15970[0]  
15.59/15.66	c DBreduced=0 GV=3845[0]  GL=77211[ 73368,3843] Prune=30263 decisions=26417 restart=9 est=0.534447 DB Impl=22307[0]  
15.59/15.66	c DBreduced=0 GV=5768[0]  GL=79134[ 73368,5766] Prune=37131 decisions=31362 restart=10 est=0.534447 DB Impl=32142[0]  
15.59/15.66	c DBreduced=0 GV=8650[0]  GL=82015[ 73368,8647] Prune=47397 decisions=38746 restart=11 est=0.601247 DB Impl=48669[0]  
15.59/15.66	c DBreduced=0 GV=12976[0]  GL=86338[ 73368,12970] Prune=77875 decisions=64898 restart=12 est=0.868448 DB Impl=74785[0]  
15.59/15.66	c DBreduced=0 GV=19462[0]  GL=92824[ 73368,19456] Prune=103594 decisions=84131 restart=13 est=0.868493 DB Impl=119117[0]  
15.59/15.66	c DBreduced=1 GV=29193[0]  GL=99780[ 73368,26412] Prune=148791 decisions=119597 restart=14 est=0.868448 DB Impl=177437[0]  
15.59/15.66	c DBreduced=2 GV=43790[0]  GL=102638[ 73368,29270] Prune=200808 decisions=157017 restart=15 est=0.868448 DB Impl=271661[0]  
15.59/15.66	c DBreduced=4 GV=65685[0]  GL=98646[ 73368,25278] Prune=308348 decisions=242662 restart=16 est=0.868448 DB Impl=396362[0]  
15.59/15.66	c DBreduced=6 GV=98527[0]  GL=101248[ 73368,27880] Prune=422254 decisions=323726 restart=17 est=0.868448 DB Impl=630407[0]  
15.59/15.66	c DBreduced=8 GV=147791[0]  GL=113349[ 73368,39981] Prune=646914 decisions=499122 restart=18 est=0.868448 DB Impl=916354[0]  
15.59/15.66	c #Total time (in seconds): 15.6016
15.59/15.66	c #Memory used (in MB): 26.3203
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-1474 1475 -1476 -1477 1478 -1479 1480 1481 -1482 1483 -1484 1485 -1486 1487 -1488 -1489 -1490 -1491 -1492 -1493 1494 1495 -1496 -1497 0 
15.59/15.66	c 
15.59/15.66	s SATISFIABLE

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/node14/watcher-332618-1173483976 -o ROOT/results/node14/solver-332618-1173483976 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/332618-1173483976/cmusat_base /tmp/evaluation/332618-1173483976/instance-332618-1173483976.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: 0.91 0.95 0.98 3/77 25466
/proc/meminfo: memFree=1543312/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=4608 CPUtime=0
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 416 0 0 0 0 0 0 0 18 0 1 0 368352116 4718592 398 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 135064935 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 1152 398 90 241 0 908 0

[startup+0.0137209 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 25466
/proc/meminfo: memFree=1543312/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=4740 CPUtime=0.01
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 486 0 0 0 1 0 0 0 18 0 1 0 368352116 4853760 468 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134564434 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 1185 468 90 241 0 941 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4740

[startup+0.101728 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 25466
/proc/meminfo: memFree=1543312/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=6456 CPUtime=0.09
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 1168 0 0 0 9 0 0 0 18 0 1 0 368352116 6610944 1150 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134527351 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 1614 1151 90 241 0 1370 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6456

[startup+0.301745 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 25466
/proc/meminfo: memFree=1543312/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=13384 CPUtime=0.29
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 3234 0 0 0 28 1 0 0 19 0 1 0 368352116 13705216 2641 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134551515 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 3346 2641 112 241 0 3102 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13384

[startup+0.701783 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 25466
/proc/meminfo: memFree=1543312/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=13536 CPUtime=0.69
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 3305 0 0 0 68 1 0 0 23 0 1 0 368352116 13860864 2712 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134560103 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 3384 2712 112 241 0 3140 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13536

[startup+1.50186 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 25467
/proc/meminfo: memFree=1532744/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=14592 CPUtime=1.49
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 3688 0 0 0 148 1 0 0 25 0 1 0 368352116 14942208 3095 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 3648 3095 112 241 0 3404 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14592

[startup+3.10201 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 25467
/proc/meminfo: memFree=1528264/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=17768 CPUtime=3.09
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 4713 0 0 0 307 2 0 0 25 0 1 0 368352116 18194432 3926 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 4442 3926 112 241 0 4198 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 17768

[startup+6.30131 s]
/proc/loadavg: 0.92 0.95 0.98 2/78 25467
/proc/meminfo: memFree=1525448/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=20496 CPUtime=6.29
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 6066 0 0 0 626 3 0 0 25 0 1 0 368352116 20987904 4668 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134551462 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 5124 4668 112 241 0 4880 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 20496

[startup+12.7019 s]
/proc/loadavg: 0.93 0.95 0.98 2/78 25467
/proc/meminfo: memFree=1519624/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=25440 CPUtime=12.68
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 8313 0 0 0 1264 4 0 0 25 0 1 0 368352116 26050560 6005 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134550747 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 6360 6005 112 241 0 6116 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 25440

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

[startup+14.3051 s]
/proc/loadavg: 0.93 0.95 0.98 2/78 25467
/proc/meminfo: memFree=1518344/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=26412 CPUtime=14.29
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 8855 0 0 0 1424 5 0 0 25 0 1 0 368352116 27045888 6298 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134559860 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 6603 6298 112 241 0 6359 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 26412

[startup+15.1011 s]
/proc/loadavg: 0.93 0.95 0.98 2/78 25467
/proc/meminfo: memFree=1518344/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=26412 CPUtime=15.09
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 8881 0 0 0 1504 5 0 0 25 0 1 0 368352116 27045888 6324 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134560015 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 6603 6324 112 241 0 6359 0
Current children cumulated CPU time (s) 15.09
Current children cumulated vsize (KiB) 26412

[startup+15.5012 s]
/proc/loadavg: 0.93 0.96 0.98 2/78 25467
/proc/meminfo: memFree=1518088/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=26808 CPUtime=15.49
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 8981 0 0 0 1544 5 0 0 25 0 1 0 368352116 27451392 6424 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134559932 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 6702 6424 112 241 0 6458 0
Current children cumulated CPU time (s) 15.49
Current children cumulated vsize (KiB) 26808

[startup+15.6012 s]
/proc/loadavg: 0.93 0.96 0.98 2/78 25467
/proc/meminfo: memFree=1518088/2055920 swapFree=4146600/4192956
[pid=25466] ppid=25464 vsize=26952 CPUtime=15.59
/proc/25466/stat : 25466 (cmusat_base) R 25464 25466 24442 0 -1 4194304 8985 0 0 0 1554 5 0 0 25 0 1 0 368352116 27598848 6428 18446744073709551615 134512640 135500113 4294956688 18446744073709551615 134551734 0 0 4096 35 0 0 0 17 1 0 0
/proc/25466/statm: 6738 6428 112 241 0 6494 0
Current children cumulated CPU time (s) 15.59
Current children cumulated vsize (KiB) 26952

Child status: 10
Real time (s): 15.6668
CPU time (s): 15.6616
CPU user time (s): 15.6026
CPU system time (s): 0.058991
CPU usage (%): 99.9667
Max. virtual memory (cumulated for all children) (KiB): 26952

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 15.6026
system time used= 0.058991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9004
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= 10
involuntary context switches= 344

runsolver used 0.025996 second user time and 0.036994 second system time

The end

Launcher Data (download as text)

Begin job on node14 on Fri Mar  9 23:46:17 UTC 2007

IDJOB= 332618
IDBENCH= 24584
IDSOLVER= 120
FILE ID= node14/332618-1173483976

PBS_JOBID= 4101088

Free space on /tmp= 66541 MiB

SOLVER NAME= CMUSAT BASE 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/pebbling/sat-pbl-00400.sat05-1322.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/332618-1173483976/cmusat_base /tmp/evaluation/332618-1173483976/instance-332618-1173483976.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node14/watcher-332618-1173483976 -o ROOT/results/node14/solver-332618-1173483976 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/332618-1173483976/cmusat_base /tmp/evaluation/332618-1173483976/instance-332618-1173483976.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  29cf0f53dfca3fe2e94789628bed3971

RANDOM SEED= 654894329

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node14.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:       1543784 kB
Buffers:         49376 kB
Cached:         375472 kB
SwapCached:      14908 kB
Active:         194792 kB
Inactive:       253160 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1543784 kB
SwapTotal:     4192956 kB
SwapFree:      4146600 kB
Dirty:            5532 kB
Writeback:           0 kB
Mapped:          29780 kB
Slab:            49760 kB
Committed_AS:  1227832 kB
PageTables:       1736 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= 66541 MiB

End job on node14 on Fri Mar  9 23:46:33 UTC 2007