Trace number 333122

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 37.4643 37.481

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn100.sat05-3765.reshuffled-07.cnf
MD5SUM0a1b9434c65125233161905ac395e7f3
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.34864
Satisfiable
(Un)Satisfiability was proved
Number of variables2901
Number of clauses18243
Sum of the clauses size130564
Maximum clause length13
Minimum clause length1
Number of clauses of size 128
Number of clauses of size 2401
Number of clauses of size 32345
Number of clauses of size 4462
Number of clauses of size 5637
Number of clauses of size over 514370

Solver Data (download as text)

37.38/37.47	c Number of variables:  2901
37.38/37.47	c Number of clauses:    18243
37.38/37.47	c DBreduced=0 GV=101[0]  GL=18316[ 18215,101] Prune=1040 decisions=938 restart=0 est=1.6891 DB Impl=2237[0]  
37.38/37.47	c DBreduced=0 GV=153[0]  GL=18368[ 18215,153] Prune=1407 decisions=1253 restart=1 est=1.68917 DB Impl=3299[0]  
37.38/37.47	c DBreduced=0 GV=227[0]  GL=18442[ 18215,227] Prune=1606 decisions=1378 restart=2 est=1.68916 DB Impl=4384[0]  
37.38/37.47	c DBreduced=0 GV=339[0]  GL=18554[ 18215,339] Prune=1888 decisions=1548 restart=3 est=1.68918 DB Impl=6073[0]  
37.38/37.47	c DBreduced=0 GV=507[0]  GL=18722[ 18215,507] Prune=2263 decisions=1755 restart=4 est=1.68918 DB Impl=8650[0]  
37.38/37.47	c DBreduced=0 GV=761[0]  GL=18976[ 18215,761] Prune=2976 decisions=2214 restart=5 est=1.68918 DB Impl=12481[0]  
37.38/37.47	c DBreduced=0 GV=1140[0]  GL=19355[ 18215,1140] Prune=4225 decisions=3084 restart=6 est=1.68918 DB Impl=18560[0]  
37.38/37.47	c DBreduced=0 GV=1709[0]  GL=19924[ 18215,1709] Prune=6024 decisions=4314 restart=7 est=1.68916 DB Impl=29232[0]  
37.38/37.47	c DBreduced=0 GV=2563[0]  GL=20778[ 18215,2563] Prune=9483 decisions=6919 restart=8 est=1.68917 DB Impl=47040[0]  
37.38/37.47	c DBreduced=0 GV=3845[0]  GL=22060[ 18215,3845] Prune=13433 decisions=9587 restart=9 est=1.68919 DB Impl=74316[0]  
37.38/37.47	c DBreduced=0 GV=5768[0]  GL=23983[ 18215,5768] Prune=22101 decisions=16332 restart=10 est=1.68919 DB Impl=114402[0]  
37.38/37.47	c DBreduced=2 GV=8650[0]  GL=23072[ 18215,4857] Prune=29404 decisions=20753 restart=11 est=1.68918 DB Impl=166785[0]  
37.38/37.47	c DBreduced=3 GV=12975[0]  GL=23904[ 18215,5689] Prune=42496 decisions=29520 restart=12 est=1.68916 DB Impl=245647[0]  
37.38/37.47	c DBreduced=4 GV=19463[0]  GL=27349[ 18215,9134] Prune=59707 decisions=40243 restart=13 est=1.68918 DB Impl=366365[0]  
37.38/37.47	c DBreduced=6 GV=29193[0]  GL=28996[ 18215,10781] Prune=90153 decisions=60959 restart=14 est=1.68918 DB Impl=556960[0]  
37.38/37.47	c DBreduced=9 GV=43791[0]  GL=28689[ 18215,10474] Prune=156614 decisions=112822 restart=15 est=1.68917 DB Impl=870672[0]  
37.38/37.47	c DBreduced=12 GV=65685[0]  GL=32053[ 18215,13838] Prune=222562 decisions=156876 restart=16 est=1.68917 DB Impl=1340241[0]  
37.38/37.47	c DBreduced=15 GV=98527[0]  GL=40645[ 18215,22430] Prune=336416 decisions=237888 restart=17 est=1.6892 DB Impl=2138022[0]  
37.38/37.47	c DBreduced=19 GV=147790[0]  GL=46857[ 18215,28642] Prune=501204 decisions=353413 restart=18 est=1.68923 DB Impl=3446715[0]  
37.38/37.47	c #Total time (in seconds): 37.4173
37.38/37.47	c #Memory used (in MB): 18.1758
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37.38/37.47	c 
37.38/37.47	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/node9/watcher-333122-1173502422 -o ROOT/results/node9/solver-333122-1173502422 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333122-1173502422/cmusat_base /tmp/evaluation/333122-1173502422/instance-333122-1173502422.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 16629
/proc/meminfo: memFree=1629880/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=2944 CPUtime=0
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 355 0 0 0 0 0 0 0 18 0 1 0 370196804 3014656 337 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134529137 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 736 337 90 241 0 492 0

[startup+0.0396171 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 16629
/proc/meminfo: memFree=1629880/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=3604 CPUtime=0.03
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 633 0 0 0 3 0 0 0 18 0 1 0 370196804 3690496 615 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 135064935 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 901 615 90 241 0 657 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3604

[startup+0.101623 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 16629
/proc/meminfo: memFree=1629880/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=5044 CPUtime=0.09
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 1042 0 0 0 9 0 0 0 18 0 1 0 370196804 5165056 898 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134562305 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 1261 898 109 241 0 1017 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5044

[startup+0.301662 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 16629
/proc/meminfo: memFree=1629880/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=5308 CPUtime=0.29
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 1139 0 0 0 29 0 0 0 19 0 1 0 370196804 5435392 995 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559860 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 1327 995 109 241 0 1083 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5308

[startup+0.701739 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 16629
/proc/meminfo: memFree=1629880/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=5780 CPUtime=0.69
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 1371 0 0 0 69 0 0 0 23 0 1 0 370196804 5918720 1128 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560075 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 1445 1128 109 241 0 1201 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5780

[startup+1.50189 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1625456/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=6196 CPUtime=1.49
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 1665 0 0 0 149 0 0 0 25 0 1 0 370196804 6344704 1261 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559870 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 1549 1261 109 241 0 1305 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6196

[startup+3.1012 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1624688/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=7160 CPUtime=3.09
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 2187 0 0 0 308 1 0 0 25 0 1 0 370196804 7331840 1542 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559842 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 1790 1542 109 241 0 1546 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7160

[startup+6.30182 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1621296/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=10408 CPUtime=6.28
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 3255 0 0 0 627 1 0 0 25 0 1 0 370196804 10657792 2109 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 2602 2109 109 241 0 2358 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 10408

[startup+12.7021 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1620728/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=11188 CPUtime=12.69
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 3721 0 0 0 1267 2 0 0 25 0 1 0 370196804 11456512 2400 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 2797 2400 109 241 0 2553 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11188

[startup+25.5015 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1615736/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=15668 CPUtime=25.48
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 5342 0 0 0 2545 3 0 0 25 0 1 0 370196804 16044032 3602 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134551765 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 3917 3602 109 241 0 3673 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 15668

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

[startup+31.9058 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1612920/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=18480 CPUtime=31.88
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 6182 0 0 0 3184 4 0 0 25 0 1 0 370196804 18923520 4319 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 4620 4319 109 241 0 4376 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 18480

[startup+35.1014 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1612856/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=18480 CPUtime=35.08
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 6182 0 0 0 3504 4 0 0 25 0 1 0 370196804 18923520 4319 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560101 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 4620 4319 109 241 0 4376 0
Current children cumulated CPU time (s) 35.08
Current children cumulated vsize (KiB) 18480

[startup+36.7017 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1612856/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=18480 CPUtime=36.68
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 6182 0 0 0 3664 4 0 0 25 0 1 0 370196804 18923520 4319 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 4620 4319 109 241 0 4376 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 18480

[startup+37.1018 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1612856/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=18480 CPUtime=37.08
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 6182 0 0 0 3704 4 0 0 25 0 1 0 370196804 18923520 4319 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560595 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 4620 4319 109 241 0 4376 0
Current children cumulated CPU time (s) 37.08
Current children cumulated vsize (KiB) 18480

[startup+37.3018 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1612792/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=18480 CPUtime=37.28
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 6192 0 0 0 3724 4 0 0 25 0 1 0 370196804 18923520 4329 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 4620 4329 109 241 0 4376 0
Current children cumulated CPU time (s) 37.28
Current children cumulated vsize (KiB) 18480

[startup+37.4058 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 16630
/proc/meminfo: memFree=1612792/2055920 swapFree=4152252/4192956
[pid=16629] ppid=16627 vsize=18480 CPUtime=37.38
/proc/16629/stat : 16629 (cmusat_base) R 16627 16629 14687 0 -1 4194304 6205 0 0 0 3734 4 0 0 25 0 1 0 370196804 18923520 4342 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560047 0 0 4096 35 0 0 0 17 1 0 0
/proc/16629/statm: 4620 4342 109 241 0 4376 0
Current children cumulated CPU time (s) 37.38
Current children cumulated vsize (KiB) 18480

Child status: 10
Real time (s): 37.481
CPU time (s): 37.4643
CPU user time (s): 37.4173
CPU system time (s): 0.046992
CPU usage (%): 99.9554
Max. virtual memory (cumulated for all children) (KiB): 18480

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 37.4173
system time used= 0.046992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6221
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= 11
involuntary context switches= 68

runsolver used 0.045993 second user time and 0.098984 second system time

The end

Launcher Data (download as text)

Begin job on node9 on Sat Mar 10 04:53:42 UTC 2007

IDJOB= 333122
IDBENCH= 24596
IDSOLVER= 120
FILE ID= node9/333122-1173502422

PBS_JOBID= 4101103

Free space on /tmp= 66463 MiB

SOLVER NAME= CMUSAT BASE 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn100.sat05-3765.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333122-1173502422/cmusat_base /tmp/evaluation/333122-1173502422/instance-333122-1173502422.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-333122-1173502422 -o ROOT/results/node9/solver-333122-1173502422 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333122-1173502422/cmusat_base /tmp/evaluation/333122-1173502422/instance-333122-1173502422.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  0a1b9434c65125233161905ac395e7f3

RANDOM SEED= 265980969

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node9.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		: 3000.263
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		: 3000.263
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:       1630288 kB
Buffers:         47928 kB
Cached:         289500 kB
SwapCached:       8828 kB
Active:         169736 kB
Inactive:       190640 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1630288 kB
SwapTotal:     4192956 kB
SwapFree:      4152252 kB
Dirty:            3160 kB
Writeback:           0 kB
Mapped:          29868 kB
Slab:            50852 kB
Committed_AS:  1476408 kB
PageTables:       1688 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= 66463 MiB

End job on node9 on Sat Mar 10 04:54:19 UTC 2007