Trace number 1725698

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
adaptg2wsat2009++ 2009-03-23SAT 118.296 118.286

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.38479
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data

118.20/118.28	c 2400 clauses are redundant and removed
118.20/118.28	c 56 vars are fixed and 2456 clauses are removed after unit propagation
118.20/118.28	c 57 vars are fixed and 2474 clauses are removed after lookahead
118.20/118.28	c initial seed is 74902247
118.20/118.28	c try 1 flip j 23070722 walk 18730266 seed 1409292092
118.20/118.28	c A solution is found
118.20/118.28	s SATISFIABLE
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118.20/118.28	v 0 
118.20/118.28	c Done (mycputime is 117.200 seconds)

Verifier Data

OK

Watcher Data

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1725698-1240706203/watcher-1725698-1240706203 -o /tmp/evaluation-result-1725698-1240706203/solver-1725698-1240706203 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat2009++ HOME/instance-1725698-1240706203.cnf 74902247 

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): 1800 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 0.99 1.08 3/64 20376
/proc/meminfo: memFree=1890896/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=415800 CPUtime=0
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 100 0 0 0 0 0 0 0 18 0 1 0 98653678 425779200 84 1992294400 134512640 135107411 4294956208 18446744073709551615 134519932 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 103950 84 48 145 0 102826 0

[startup+0.089261 s]
/proc/loadavg: 0.92 0.99 1.08 3/64 20376
/proc/meminfo: memFree=1890896/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=418568 CPUtime=0.08
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 897 0 0 0 8 0 0 0 18 0 1 0 98653678 428613632 880 1992294400 134512640 135107411 4294956208 18446744073709551615 134523261 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104642 880 49 145 0 103518 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 418568

[startup+0.101256 s]
/proc/loadavg: 0.92 0.99 1.08 3/64 20376
/proc/meminfo: memFree=1890896/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=418568 CPUtime=0.09
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 897 0 0 0 9 0 0 0 18 0 1 0 98653678 428613632 880 1992294400 134512640 135107411 4294956208 18446744073709551615 134523257 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104642 880 49 145 0 103518 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 418568

[startup+0.301199 s]
/proc/loadavg: 0.92 0.99 1.08 3/64 20376
/proc/meminfo: memFree=1890896/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=418568 CPUtime=0.29
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 897 0 0 0 29 0 0 0 19 0 1 0 98653678 428613632 880 1992294400 134512640 135107411 4294956208 18446744073709551615 134523261 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104642 880 49 145 0 103518 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 418568

[startup+0.701086 s]
/proc/loadavg: 0.92 0.99 1.08 3/64 20376
/proc/meminfo: memFree=1890896/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=418568 CPUtime=0.69
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 898 0 0 0 69 0 0 0 22 0 1 0 98653678 428613632 881 1992294400 134512640 135107411 4294956208 18446744073709551615 134523317 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104642 881 49 145 0 103518 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 418568

[startup+1.50186 s]
/proc/loadavg: 0.92 0.99 1.08 2/65 20377
/proc/meminfo: memFree=1887432/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=1.49
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 149 0 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134547589 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 419252

[startup+3.10141 s]
/proc/loadavg: 0.92 0.99 1.08 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=3.09
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 309 0 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531844 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 419252

[startup+6.3015 s]
/proc/loadavg: 0.93 0.99 1.08 2/65 20377
/proc/meminfo: memFree=1885960/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=6.29
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 629 0 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531564 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 419252

[startup+12.7017 s]
/proc/loadavg: 0.93 0.99 1.08 2/65 20377
/proc/meminfo: memFree=1885960/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=12.69
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 1269 0 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531781 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 419252

[startup+25.5011 s]
/proc/loadavg: 0.95 0.99 1.08 2/65 20377
/proc/meminfo: memFree=1886024/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=25.5
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 2549 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531428 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 419252

[startup+51.1018 s]
/proc/loadavg: 0.96 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886088/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=51.1
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 5109 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531564 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 419252

[startup+102.304 s]
/proc/loadavg: 0.98 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=102.3
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 10229 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134532232 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 102.3
Current children cumulated vsize (KiB) 419252

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

[startup+108.702 s]
/proc/loadavg: 0.98 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=108.7
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 10869 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134532313 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 108.7
Current children cumulated vsize (KiB) 419252

[startup+115.102 s]
/proc/loadavg: 0.99 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=115.1
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 11509 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134532074 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 115.1
Current children cumulated vsize (KiB) 419252

[startup+116.701 s]
/proc/loadavg: 0.99 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=116.7
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 11669 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531795 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 116.7
Current children cumulated vsize (KiB) 419252

[startup+117.501 s]
/proc/loadavg: 0.99 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=117.5
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 11749 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531284 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 117.5
Current children cumulated vsize (KiB) 419252

[startup+117.902 s]
/proc/loadavg: 0.99 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=117.9
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 11789 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531606 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 117.9
Current children cumulated vsize (KiB) 419252

[startup+118.102 s]
/proc/loadavg: 0.99 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=118.1
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 11809 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134531992 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 118.1
Current children cumulated vsize (KiB) 419252

[startup+118.202 s]
/proc/loadavg: 0.99 0.99 1.07 2/65 20377
/proc/meminfo: memFree=1886152/2055920 swapFree=4181368/4192956
[pid=20376] ppid=20374 vsize=419252 CPUtime=118.2
/proc/20376/stat : 20376 (adaptg2wsat2009) R 20374 20376 20309 0 -1 4194304 1187 0 0 0 11819 1 0 0 25 0 1 0 98653678 429314048 1168 1992294400 134512640 135107411 4294956208 18446744073709551615 134532215 0 0 4096 0 0 0 0 17 1 0 0
/proc/20376/statm: 104813 1168 59 145 0 103689 0
Current children cumulated CPU time (s) 118.2
Current children cumulated vsize (KiB) 419252

Child status: 10
Real time (s): 118.286
CPU time (s): 118.296
CPU user time (s): 118.279
CPU system time (s): 0.016997
CPU usage (%): 100.008
Max. virtual memory (cumulated for all children) (KiB): 419252

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 118.279
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1200
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= 5
involuntary context switches= 234

runsolver used 0.098984 second user time and 0.234964 second system time

The end

Launcher Data

Begin job on node16 at 2009-04-26 02:36:43
IDJOB=1725698
IDBENCH=24595
IDSOLVER=543
FILE ID=node16/1725698-1240706203
PBS_JOBID= 9186807
Free space on /tmp= 66320 MiB

SOLVER NAME= adaptg2wsat2009++ 2009-03-23
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/adaptg2wsat2009++ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725698-1240706203/watcher-1725698-1240706203 -o /tmp/evaluation-result-1725698-1240706203/solver-1725698-1240706203 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat2009++ HOME/instance-1725698-1240706203.cnf 74902247

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=74902247

node16.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.234
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		: 3000.234
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:       1891312 kB
Buffers:         15660 kB
Cached:         100384 kB
SwapCached:       5404 kB
Active:          34700 kB
Inactive:        89192 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1891312 kB
SwapTotal:     4192956 kB
SwapFree:      4181368 kB
Dirty:            5260 kB
Writeback:           0 kB
Mapped:          13520 kB
Slab:            26732 kB
Committed_AS:   381152 kB
PageTables:       1436 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= 66316 MiB
End job on node16 at 2009-04-26 02:38:41