Trace number 332613

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
Hybrid1 2007-02-08SAT 110.582 110.624

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)

110.55/110.62	c try 1 flip j 1187024
110.55/110.62	c A solution is found
110.55/110.62	s SATISFIABLE
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110.55/110.62	v 0 
110.55/110.62	c Done (mycputime is 0.001 seconds)

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-332613-1173483598 -o ROOT/results/node9/solver-332613-1173483598 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/332613-1173483598/Hybrid1 /tmp/evaluation/332613-1173483598/instance-332613-1173483598.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 0.96 0.99 3/77 13784
/proc/meminfo: memFree=1632592/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=244720 CPUtime=0
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 89 0 0 0 0 0 0 0 18 0 1 0 368314515 250593280 73 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134521553 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 61180 74 39 103 0 60684 0

[startup+0.0514699 s]
/proc/loadavg: 0.91 0.96 0.99 3/77 13784
/proc/meminfo: memFree=1632592/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=245248 CPUtime=0.05
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 281 0 0 0 5 0 0 0 18 0 1 0 368314515 251133952 265 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134588695 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 61312 265 39 103 0 60816 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 245248

[startup+0.101479 s]
/proc/loadavg: 0.91 0.96 0.99 3/77 13784
/proc/meminfo: memFree=1632592/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=245908 CPUtime=0.09
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 486 0 0 0 9 0 0 0 18 0 1 0 368314515 251809792 470 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134604589 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 61477 470 39 103 0 60981 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 245908

[startup+0.301517 s]
/proc/loadavg: 0.91 0.96 0.99 3/77 13784
/proc/meminfo: memFree=1632592/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=255544 CPUtime=0.29
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3113 0 0 0 28 1 0 0 19 0 1 0 368314515 261677056 3096 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523476 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 63886 3096 40 103 0 63390 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 255544

[startup+0.701595 s]
/proc/loadavg: 0.91 0.96 0.99 3/77 13784
/proc/meminfo: memFree=1632592/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=255544 CPUtime=0.69
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3113 0 0 0 68 1 0 0 23 0 1 0 368314515 261677056 3096 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523527 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 63886 3096 40 103 0 63390 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 255544

[startup+1.50175 s]
/proc/loadavg: 0.91 0.96 0.99 2/78 13785
/proc/meminfo: memFree=1620232/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=255544 CPUtime=1.49
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3113 0 0 0 148 1 0 0 25 0 1 0 368314515 261677056 3096 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523497 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 63886 3096 40 103 0 63390 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 255544

[startup+3.10106 s]
/proc/loadavg: 0.91 0.96 0.99 2/78 13785
/proc/meminfo: memFree=1620104/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=255544 CPUtime=3.09
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3113 0 0 0 308 1 0 0 25 0 1 0 368314515 261677056 3096 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523476 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 63886 3096 40 103 0 63390 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 255544

[startup+6.30167 s]
/proc/loadavg: 0.92 0.96 0.99 2/78 13785
/proc/meminfo: memFree=1619976/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=255544 CPUtime=6.29
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3116 0 0 0 628 1 0 0 25 0 1 0 368314515 261677056 3098 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523678 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 63886 3098 40 103 0 63390 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 255544

[startup+12.7019 s]
/proc/loadavg: 0.93 0.96 0.99 2/78 13785
/proc/meminfo: memFree=1620048/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=255544 CPUtime=12.68
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3116 0 0 0 1267 1 0 0 25 0 1 0 368314515 261677056 3098 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523450 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 63886 3098 40 103 0 63390 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 255544

[startup+25.5014 s]
/proc/loadavg: 0.94 0.96 0.99 2/78 13785
/proc/meminfo: memFree=1620176/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=255544 CPUtime=25.48
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3116 0 0 0 2547 1 0 0 25 0 1 0 368314515 261677056 3098 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523434 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 63886 3098 40 103 0 63390 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 255544

[startup+51.1013 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 13785
/proc/meminfo: memFree=1620112/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=255544 CPUtime=51.07
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3116 0 0 0 5105 2 0 0 25 0 1 0 368314515 261677056 3098 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523497 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 63886 3098 40 103 0 63390 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 255544

[startup+102.305 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 13785
/proc/meminfo: memFree=1617424/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=257520 CPUtime=102.25
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3751 0 0 0 10223 2 0 0 25 0 1 0 368314515 263700480 3731 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134551531 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 64380 3731 44 103 0 63884 0
Current children cumulated CPU time (s) 102.25
Current children cumulated vsize (KiB) 257520

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

[startup+105.502 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 13785
/proc/meminfo: memFree=1617424/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=257520 CPUtime=105.45
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3751 0 0 0 10543 2 0 0 25 0 1 0 368314515 263700480 3731 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134553251 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 64380 3731 44 103 0 63884 0
Current children cumulated CPU time (s) 105.45
Current children cumulated vsize (KiB) 257520

[startup+108.701 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 13785
/proc/meminfo: memFree=1617424/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=257520 CPUtime=108.65
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3751 0 0 0 10863 2 0 0 25 0 1 0 368314515 263700480 3731 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134553269 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 64380 3731 44 103 0 63884 0
Current children cumulated CPU time (s) 108.65
Current children cumulated vsize (KiB) 257520

[startup+109.502 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 13785
/proc/meminfo: memFree=1617424/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=257520 CPUtime=109.45
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3751 0 0 0 10943 2 0 0 25 0 1 0 368314515 263700480 3731 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134552243 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 64380 3731 44 103 0 63884 0
Current children cumulated CPU time (s) 109.45
Current children cumulated vsize (KiB) 257520

[startup+110.302 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 13785
/proc/meminfo: memFree=1617424/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=257520 CPUtime=110.25
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3751 0 0 0 11023 2 0 0 25 0 1 0 368314515 263700480 3731 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134553666 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 64380 3731 44 103 0 63884 0
Current children cumulated CPU time (s) 110.25
Current children cumulated vsize (KiB) 257520

[startup+110.502 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 13785
/proc/meminfo: memFree=1617424/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=257520 CPUtime=110.45
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3751 0 0 0 11043 2 0 0 25 0 1 0 368314515 263700480 3731 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134551180 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 64380 3731 44 103 0 63884 0
Current children cumulated CPU time (s) 110.45
Current children cumulated vsize (KiB) 257520

[startup+110.602 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 13785
/proc/meminfo: memFree=1617424/2055920 swapFree=4152252/4192956
[pid=13784] ppid=13782 vsize=257520 CPUtime=110.55
/proc/13784/stat : 13784 (Hybrid1) R 13782 13784 12813 0 -1 4194304 3751 0 0 0 11053 2 0 0 25 0 1 0 368314515 263700480 3731 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134552344 0 0 4096 0 0 0 0 17 1 0 0
/proc/13784/statm: 64380 3731 44 103 0 63884 0
Current children cumulated CPU time (s) 110.55
Current children cumulated vsize (KiB) 257520

Child status: 10
Real time (s): 110.624
CPU time (s): 110.582
CPU user time (s): 110.55
CPU system time (s): 0.031995
CPU usage (%): 99.9618
Max. virtual memory (cumulated for all children) (KiB): 257520

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 110.55
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3764
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= 2259

runsolver used 0.150977 second user time and 0.25896 second system time

The end

Launcher Data (download as text)

Begin job on node9 on Fri Mar  9 23:39:59 UTC 2007

IDJOB= 332613
IDBENCH= 24584
IDSOLVER= 115
FILE ID= node9/332613-1173483598

PBS_JOBID= 4101080

Free space on /tmp= 66430 MiB

SOLVER NAME= Hybrid1 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/332613-1173483598/Hybrid1 /tmp/evaluation/332613-1173483598/instance-332613-1173483598.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-332613-1173483598 -o ROOT/results/node9/solver-332613-1173483598 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/332613-1173483598/Hybrid1 /tmp/evaluation/332613-1173483598/instance-332613-1173483598.cnf            

META MD5SUM SOLVER= 4ad8950502569bcbd9dc3ae819b6eefe
MD5SUM BENCH=  29cf0f53dfca3fe2e94789628bed3971

RANDOM SEED= 792733821

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:       1633064 kB
Buffers:         46812 kB
Cached:         288348 kB
SwapCached:       8784 kB
Active:         158892 kB
Inactive:       199176 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1633064 kB
SwapTotal:     4192956 kB
SwapFree:      4152252 kB
Dirty:            9120 kB
Writeback:           0 kB
Mapped:          29796 kB
Slab:            50420 kB
Committed_AS:  1460924 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= 66430 MiB

End job on node9 on Fri Mar  9 23:41:50 UTC 2007