Trace number 319863

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 31.3882 31.4049

General information on the benchmark

Nameindustrial/grieu/
vmpc_24.cnf
MD5SUMa69847fa52646cc8016cf4fd8e9d428a
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.459929
Satisfiable
(Un)Satisfiability was proved
Number of variables576
Number of clauses67872
Sum of the clauses size178056
Maximum clause length24
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 226568
Number of clauses of size 341256
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 548

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  576                                                  |
0.01/0.05	c |  Number of clauses:    67872                                                |
31.28/31.40	c |  Parsing time:         0.05         sec                                       |
31.28/31.40	c #varS 576 #clauseS 49478
31.28/31.40	c REMAP internally 1
31.28/31.40	c After remapping new number of variables: 575
31.28/31.40	c DBreduced=0 GV=101[0]  GL=49579[ 49478,101] Prune=557 decisions=456 restart=0 est=0.000302984 DB Impl=12121[0]  
31.28/31.40	c DBreduced=0 GV=151[0]  GL=49629[ 49478,151] Prune=664 decisions=513 restart=1 est=0.000333495 DB Impl=19535[0]  
31.28/31.40	c DBreduced=0 GV=226[0]  GL=49704[ 49478,226] Prune=826 decisions=600 restart=2 est=0.000302984 DB Impl=28767[0]  
31.28/31.40	c DBreduced=0 GV=339[0]  GL=49817[ 49478,339] Prune=1065 decisions=726 restart=3 est=0.000303511 DB Impl=44482[0]  
31.28/31.40	c DBreduced=0 GV=508[0]  GL=49986[ 49478,508] Prune=1418 decisions=910 restart=4 est=0.000302984 DB Impl=68321[0]  
31.28/31.40	c DBreduced=0 GV=760[0]  GL=50238[ 49478,760] Prune=1945 decisions=1185 restart=5 est=0.000605442 DB Impl=98712[0]  
31.28/31.40	c DBreduced=0 GV=1140[0]  GL=50618[ 49478,1140] Prune=2721 decisions=1581 restart=6 est=0.000303042 DB Impl=153758[0]  
31.28/31.40	c DBreduced=0 GV=1709[0]  GL=51187[ 49478,1709] Prune=3881 decisions=2172 restart=7 est=0.000335139 DB Impl=229445[0]  
31.28/31.40	c DBreduced=0 GV=2564[0]  GL=52042[ 49478,2564] Prune=5621 decisions=3057 restart=8 est=0.000303566 DB Impl=341958[0]  
31.28/31.40	c DBreduced=0 GV=3845[0]  GL=53323[ 49478,3845] Prune=8227 decisions=4382 restart=9 est=0.000302984 DB Impl=514344[0]  
31.28/31.40	c DBreduced=0 GV=5767[0]  GL=55245[ 49478,5767] Prune=12134 decisions=6367 restart=10 est=0.00030357 DB Impl=761194[0]  
31.28/31.40	c DBreduced=0 GV=8650[0]  GL=58128[ 49478,8650] Prune=18016 decisions=9366 restart=11 est=0.000302985 DB Impl=1135064[0]  
31.28/31.40	c DBreduced=0 GV=12975[0]  GL=62453[ 49478,12975] Prune=26802 decisions=13827 restart=12 est=0.000605968 DB Impl=1675133[0]  
31.28/31.40	c DBreduced=1 GV=19462[0]  GL=66996[ 49478,17518] Prune=39919 decisions=20457 restart=13 est=0.000302985 DB Impl=2598814[0]  
31.28/31.40	c DBreduced=4 GV=29193[0]  GL=65651[ 49478,16173] Prune=59627 decisions=30434 restart=14 est=0.000303567 DB Impl=3904464[0]  
31.28/31.40	c DBreduced=5 GV=43790[0]  GL=70358[ 49478,20880] Prune=89153 decisions=45363 restart=15 est=0.000302984 DB Impl=5867409[0]  
31.28/31.40	c DBreduced=7 GV=65685[0]  GL=70106[ 49478,20628] Prune=133400 decisions=67715 restart=16 est=0.000305615 DB Impl=8800337[0]  
31.28/31.40	c DBreduced=9 GV=98527[0]  GL=77340[ 49478,27862] Prune=199696 decisions=101169 restart=17 est=0.000303512 DB Impl=13235242[0]  
31.28/31.40	c After partial model completion 576 assignments
31.28/31.40	c REMAP internally 0
31.28/31.40	c Number of variables:  576
31.28/31.40	c Number of clauses:    67872
31.28/31.40	c #Total time (in seconds): 31.3332
31.28/31.40	c #Memory used (in MB): 13.6367
31.28/31.40	c 
31.28/31.40	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/node29/watcher-319863-1173037203 -o ROOT/results/node29/solver-319863-1173037203 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/319863-1173037203/cmusat /tmp/evaluation/319863-1173037203/instance-319863-1173037203.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: 0.99 0.98 0.99 3/77 27961
/proc/meminfo: memFree=1478624/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=2460 CPUtime=0
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 426 0 0 0 0 0 0 0 18 0 1 0 297484545 2519040 409 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 615 410 96 243 0 369 0

[startup+0.014262 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 27961
/proc/meminfo: memFree=1478624/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=3036 CPUtime=0.01
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 583 0 0 0 1 0 0 0 18 0 1 0 297484545 3108864 567 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 759 568 96 243 0 513 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 3036

[startup+0.101266 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 27961
/proc/meminfo: memFree=1478624/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=5952 CPUtime=0.09
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 1292 0 0 0 9 0 0 0 18 0 1 0 297484545 6094848 1275 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134530504 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 1488 1275 107 243 0 1242 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5952

[startup+0.301279 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 27961
/proc/meminfo: memFree=1478624/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=5952 CPUtime=0.29
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 1296 0 0 0 29 0 0 0 19 0 1 0 297484545 6094848 1279 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134530493 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 1488 1279 107 243 0 1242 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5952

[startup+0.701304 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 27961
/proc/meminfo: memFree=1478624/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=7568 CPUtime=0.7
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 2204 0 0 0 69 1 0 0 23 0 1 0 297484545 7749632 1464 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 1892 1466 113 243 0 1646 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 7568

[startup+1.50135 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1472344/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=9004 CPUtime=1.49
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 2705 0 0 0 148 1 0 0 25 0 1 0 297484545 9220096 1771 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134589593 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 2251 1771 119 243 0 2005 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9004

[startup+3.10145 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1470616/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=12036 CPUtime=3.09
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 3524 0 0 0 308 1 0 0 25 0 1 0 297484545 12324864 2590 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 3009 2590 119 243 0 2763 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12036

[startup+6.30165 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1466712/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=13532 CPUtime=6.29
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 4352 0 0 0 627 2 0 0 25 0 1 0 297484545 13856768 3015 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 3383 3015 119 243 0 3137 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13532

[startup+12.7011 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1464152/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=15944 CPUtime=12.68
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 5272 0 0 0 1265 3 0 0 25 0 1 0 297484545 16326656 3647 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134589601 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 3986 3647 119 243 0 3740 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 15944

[startup+25.5019 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1460952/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=18920 CPUtime=25.48
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 6569 0 0 0 2544 4 0 0 25 0 1 0 297484545 19374080 4475 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134589601 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 4730 4475 119 243 0 4484 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 18920

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

[startup+28.7011 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1459544/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=20268 CPUtime=28.68
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 7102 0 0 0 2863 5 0 0 25 0 1 0 297484545 20754432 4839 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134590155 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 5067 4839 119 243 0 4821 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 20268

[startup+30.3012 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1459544/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=20268 CPUtime=30.28
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 7105 0 0 0 3023 5 0 0 25 0 1 0 297484545 20754432 4842 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134590121 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 5067 4842 119 243 0 4821 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 20268

[startup+31.1012 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1459544/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=20268 CPUtime=31.08
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 7105 0 0 0 3103 5 0 0 25 0 1 0 297484545 20754432 4842 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134589593 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 5067 4842 119 243 0 4821 0
Current children cumulated CPU time (s) 31.08
Current children cumulated vsize (KiB) 20268

[startup+31.3012 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1459544/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=20268 CPUtime=31.28
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194304 7105 0 0 0 3123 5 0 0 25 0 1 0 297484545 20754432 4842 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134589715 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 5067 4842 119 243 0 4821 0
Current children cumulated CPU time (s) 31.28
Current children cumulated vsize (KiB) 20268

[startup+31.4012 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 27962
/proc/meminfo: memFree=1459544/2055920 swapFree=4147692/4192956
[pid=27961] ppid=27959 vsize=0 CPUtime=31.38
/proc/27961/stat : 27961 (cmusat) R 27959 27961 27044 0 -1 4194308 7117 0 0 0 3133 5 0 0 16 0 1 0 297484545 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 35 0 0 0 17 0 0 0
/proc/27961/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 31.38
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 31.4049
CPU time (s): 31.3882
CPU user time (s): 31.3332
CPU system time (s): 0.054991
CPU usage (%): 99.9468
Max. virtual memory (cumulated for all children) (KiB): 20268

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 31.3332
system time used= 0.054991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7117
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= 9
involuntary context switches= 815

runsolver used 0.032994 second user time and 0.088986 second system time

The end

Launcher Data (download as text)

Begin job on node29 on Sun Mar  4 19:40:03 UTC 2007

IDJOB= 319863
IDBENCH= 20489
IDSOLVER= 121
FILE ID= node29/319863-1173037203

PBS_JOBID= 4012464

Free space on /tmp= 66549 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/grieu/vmpc_24.cnf
COMMAND LINE= /tmp/evaluation/319863-1173037203/cmusat /tmp/evaluation/319863-1173037203/instance-319863-1173037203.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node29/watcher-319863-1173037203 -o ROOT/results/node29/solver-319863-1173037203 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/319863-1173037203/cmusat /tmp/evaluation/319863-1173037203/instance-319863-1173037203.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  a69847fa52646cc8016cf4fd8e9d428a

RANDOM SEED= 158868689

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node29.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		: 3000.209
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	: 5931.00
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		: 3000.209
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:       1479032 kB
Buffers:         38452 kB
Cached:         451924 kB
SwapCached:      12348 kB
Active:         203120 kB
Inactive:       314160 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1479032 kB
SwapTotal:     4192956 kB
SwapFree:      4147692 kB
Dirty:            3448 kB
Writeback:           0 kB
Mapped:          33804 kB
Slab:            45048 kB
Committed_AS:   831544 kB
PageTables:       1880 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= 66549 MiB

End job on node29 on Sun Mar  4 19:40:35 UTC 2007