Trace number 312556

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 2007-02-08UNSAT 51.8641 51.8859

General information on the benchmark

Nameindustrial/anbulagan/
medium-unsat/dated-10-15-u.cnf
MD5SUM3b92b02eda280b3d74433fa589c2d772
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark18.4502
Satisfiable
(Un)Satisfiability was proved
Number of variables193016
Number of clauses885873
Sum of the clauses size2034196
Maximum clause length10
Minimum clause length1
Number of clauses of size 116194
Number of clauses of size 2700175
Number of clauses of size 3133124
Number of clauses of size 44040
Number of clauses of size 516160
Number of clauses of size over 516180

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  193016                                               |
0.99/1.10	c |  Number of clauses:    885873                                               |
51.77/51.87	c |  Parsing time:         0.99         sec                                       |
51.77/51.87	c #varS 193016 #clauseS 291504
51.77/51.87	c REMAP internally 1
51.77/51.87	c After remapping new number of variables: 44880
51.77/51.87	c DBreduced=0 GV=103[0]  GL=291591[ 291504,87] Prune=5660 decisions=5557 restart=0 est=2.69676 DB Impl=488479[0]  
51.77/51.87	c DBreduced=0 GV=152[0]  GL=291632[ 291504,128] Prune=5880 decisions=5728 restart=1 est=5.11374 DB Impl=744260[0]  
51.77/51.87	c DBreduced=0 GV=226[0]  GL=291703[ 291504,199] Prune=6126 decisions=5900 restart=2 est=6.26584 DB Impl=1099431[0]  
51.77/51.87	c DBreduced=0 GV=338[0]  GL=291796[ 291504,292] Prune=6597 decisions=6259 restart=3 est=8.34458 DB Impl=1849011[0]  
51.77/51.87	c DBreduced=0 GV=509[0]  GL=291965[ 291504,461] Prune=7161 decisions=6652 restart=4 est=8.37475 DB Impl=2470537[0]  
51.77/51.87	c DBreduced=0 GV=760[0]  GL=292201[ 291504,697] Prune=7923 decisions=7163 restart=5 est=17.2064 DB Impl=3535800[0]  
51.77/51.87	c DBreduced=0 GV=1140[0]  GL=292571[ 291504,1067] Prune=8962 decisions=7822 restart=6 est=17.7052 DB Impl=4540216[0]  
51.77/51.87	c DBreduced=0 GV=1709[0]  GL=293136[ 291504,1632] Prune=10233 decisions=8524 restart=7 est=17.8312 DB Impl=5162622[0]  
51.77/51.87	c DBreduced=0 GV=2563[0]  GL=293983[ 291504,2479] Prune=12274 decisions=9711 restart=8 est=17.9575 DB Impl=6159651[0]  
51.77/51.87	c DBreduced=0 GV=3845[0]  GL=295257[ 291504,3753] Prune=15121 decisions=11276 restart=9 est=45.8967 DB Impl=8056583[0]  
51.77/51.87	c DBreduced=0 GV=5767[0]  GL=297171[ 291504,5667] Prune=19467 decisions=13700 restart=10 est=47.997 DB Impl=10349871[0]  
51.77/51.87	c DBreduced=0 GV=8650[0]  GL=300045[ 291504,8541] Prune=25802 decisions=17152 restart=11 est=53.1128 DB Impl=13758262[0]  
51.77/51.87	c DBreduced=0 GV=12976[0]  GL=304367[ 291504,12863] Prune=35253 decisions=22277 restart=12 est=54.5567 DB Impl=18714902[0]  
51.77/51.87	c DBreduced=0 GV=19462[0]  GL=310839[ 291504,19335] Prune=49465 decisions=30003 restart=13 est=61.7562 DB Impl=25691007[0]  
51.77/51.87	c #Total time (in seconds): 51.6831
51.77/51.87	c #Memory used (in MB): 50.0625
51.77/51.87	c 
51.77/51.87	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node37/watcher-312556-1176856626 -o ROOT/results/node37/solver-312556-1176856626 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/312556-1176856626/cmusat /tmp/evaluation/312556-1176856626/instance-312556-1176856626.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 0.97 0.99 3/78 19945
/proc/meminfo: memFree=1575432/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=2788 CPUtime=0
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 526 0 0 0 0 0 0 0 18 0 1 0 133575054 2854912 509 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134525945 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 697 510 96 243 0 451 0

[startup+0.0859159 s]
/proc/loadavg: 0.91 0.97 0.99 3/78 19945
/proc/meminfo: memFree=1575432/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=10828 CPUtime=0.08
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 2423 0 0 0 7 1 0 0 18 0 1 0 133575054 11087872 2406 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 2707 2406 96 243 0 2461 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 10828

[startup+0.10192 s]
/proc/loadavg: 0.91 0.97 0.99 3/78 19945
/proc/meminfo: memFree=1575432/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=13468 CPUtime=0.09
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 2990 0 0 0 8 1 0 0 18 0 1 0 133575054 13791232 2973 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134525958 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 3367 2975 96 243 0 3121 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13468

[startup+0.301957 s]
/proc/loadavg: 0.91 0.97 0.99 3/78 19945
/proc/meminfo: memFree=1575432/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=38280 CPUtime=0.29
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 8294 0 0 0 24 5 0 0 19 0 1 0 133575054 39198720 8277 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 9570 8278 96 243 0 9324 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 38280

[startup+0.702033 s]
/proc/loadavg: 0.91 0.97 0.99 3/78 19945
/proc/meminfo: memFree=1575432/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=56764 CPUtime=0.69
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 12766 0 0 0 61 8 0 0 23 0 1 0 133575054 58126336 12749 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 14191 12750 96 243 0 13945 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 56764

[startup+1.50118 s]
/proc/loadavg: 0.91 0.97 0.99 2/79 19946
/proc/meminfo: memFree=1509056/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=74880 CPUtime=1.49
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 17799 0 0 0 138 11 0 0 25 0 1 0 133575054 76677120 17774 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134526552 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 18720 17774 108 243 0 18474 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 74880

[startup+3.10149 s]
/proc/loadavg: 0.91 0.97 0.99 2/79 19946
/proc/meminfo: memFree=1497472/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=92976 CPUtime=3.09
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 21838 0 0 0 296 13 0 0 25 0 1 0 133575054 95207424 21813 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134530417 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 23244 21813 109 243 0 22998 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 92976

[startup+6.30109 s]
/proc/loadavg: 1.00 0.98 0.99 2/79 19946
/proc/meminfo: memFree=1535424/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=46484 CPUtime=6.29
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 26731 0 0 0 613 16 0 0 25 0 1 0 133575054 47599616 10028 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 11621 10028 118 243 0 11375 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 46484

[startup+12.7013 s]
/proc/loadavg: 1.00 0.98 0.99 2/79 19946
/proc/meminfo: memFree=1535424/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=46484 CPUtime=12.69
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 26749 0 0 0 1253 16 0 0 25 0 1 0 133575054 47599616 10046 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134589601 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 11621 10046 118 243 0 11375 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 46484

[startup+25.5017 s]
/proc/loadavg: 1.00 0.98 0.99 2/79 19946
/proc/meminfo: memFree=1535360/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=46484 CPUtime=25.48
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 26798 0 0 0 2532 16 0 0 25 0 1 0 133575054 47599616 10095 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 11621 10095 118 243 0 11375 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 46484

[startup+51.1015 s]
/proc/loadavg: 1.00 0.98 0.99 2/79 19946
/proc/meminfo: memFree=1530624/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=51132 CPUtime=51.07
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 28014 0 0 0 5090 17 0 0 25 0 1 0 133575054 52359168 11311 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134589715 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 12783 11311 118 243 0 12537 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 51132

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

[startup+51.5016 s]
/proc/loadavg: 1.00 0.98 0.99 2/79 19946
/proc/meminfo: memFree=1530624/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=51132 CPUtime=51.47
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 28029 0 0 0 5130 17 0 0 25 0 1 0 133575054 52359168 11326 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 12783 11326 118 243 0 12537 0
Current children cumulated CPU time (s) 51.47
Current children cumulated vsize (KiB) 51132

[startup+51.7066 s]
/proc/loadavg: 1.00 0.98 0.99 2/79 19946
/proc/meminfo: memFree=1530496/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=51264 CPUtime=51.68
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 28038 0 0 0 5151 17 0 0 25 0 1 0 133575054 52494336 11335 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134590121 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 12816 11335 118 243 0 12570 0
Current children cumulated CPU time (s) 51.68
Current children cumulated vsize (KiB) 51264

[startup+51.8017 s]
/proc/loadavg: 1.00 0.98 0.99 2/79 19946
/proc/meminfo: memFree=1530496/2055920 swapFree=4132364/4192956
[pid=19945] ppid=19943 vsize=51264 CPUtime=51.77
/proc/19945/stat : 19945 (cmusat) R 19943 19945 19033 0 -1 4194304 28041 0 0 0 5160 17 0 0 25 0 1 0 133575054 52494336 11338 18446744073709551615 134512640 135508737 4294956640 18446744073709551615 134589601 0 0 4096 35 0 0 0 17 1 0 0
/proc/19945/statm: 12816 11338 118 243 0 12570 0
Current children cumulated CPU time (s) 51.77
Current children cumulated vsize (KiB) 51264

Child status: 20
Real time (s): 51.8859
CPU time (s): 51.8641
CPU user time (s): 51.6831
CPU system time (s): 0.180972
CPU usage (%): 99.9579
Max. virtual memory (cumulated for all children) (KiB): 100288

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 51.6831
system time used= 0.180972
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 28054
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= 97

runsolver used 0.057991 second user time and 0.137979 second system time

The end

Launcher Data (download as text)

Begin job on node37 on Wed Apr 18 00:37:06 UTC 2007

IDJOB= 312556
IDBENCH= 20344
IDSOLVER= 121
FILE ID= node37/312556-1176856626

PBS_JOBID= 4590205

Free space on /tmp= 66446 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/anbulagan/medium-unsat/dated-10-15-u.cnf
COMMAND LINE= /tmp/evaluation/312556-1176856626/cmusat /tmp/evaluation/312556-1176856626/instance-312556-1176856626.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node37/watcher-312556-1176856626 -o ROOT/results/node37/solver-312556-1176856626 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/312556-1176856626/cmusat /tmp/evaluation/312556-1176856626/instance-312556-1176856626.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  3b92b02eda280b3d74433fa589c2d772

RANDOM SEED= 283178810

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node37.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		: 3000.281
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		: 3000.281
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:       1575840 kB
Buffers:         37452 kB
Cached:         356956 kB
SwapCached:       3256 kB
Active:         207116 kB
Inactive:       213492 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1575840 kB
SwapTotal:     4192956 kB
SwapFree:      4132364 kB
Dirty:           18148 kB
Writeback:           0 kB
Mapped:          33320 kB
Slab:            44828 kB
Committed_AS:  1099020 kB
PageTables:       2000 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= 66446 MiB

End job on node37 on Wed Apr 18 00:37:58 UTC 2007