Trace number 1542756

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
hybridGM3 3SAT 13.5369 13.5428

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/520/
unif-k3-r4.25-v520-c2210-S1536609007-088.cnf
MD5SUM95e50be0ec36bd6dfa5233022c3ad7ac
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.00285
Satisfiable
(Un)Satisfiability was proved
Number of variables520
Number of clauses2210
Sum of the clauses size6630
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32210
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.03	c Heuristic: AdaptG2WSAT 
0.00/0.03	c Hybrid barrier : 1 
0.00/0.03	c Problem instance: numAtoms = 520, numClauses = 2210, numLiterals = 6630
0.00/0.03	c General parameters: seed=1298129499, cutoff=1000000000, targetCost = 0, print solution: yes
0.00/0.03	c gNovelty+ parameters: noise = 0, walkprob = 1, smoothprob = 33
0.00/0.03	c tries = 1
0.00/0.03	c 
13.48/13.53	c gNovelty+ (M  158 )
13.48/13.53	s SATISFIABLE
13.48/13.53	v -1
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13.48/13.54	c Done in 13.490000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1542756-1238572240/watcher-1542756-1238572240 -o /tmp/evaluation-result-1542756-1238572240/solver-1542756-1238572240 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hybridGM3 HOME/instance-1542756-1238572240.cnf 1298129499 

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: 1.71 1.95 1.89 3/64 23569
/proc/meminfo: memFree=1533992/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=260600 CPUtime=0
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 858 0 0 0 0 0 0 0 18 0 1 0 1129889624 266854400 843 1992294400 134512640 135204385 4294956208 18446744073709551615 134542712 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 65150 849 54 168 0 64980 0

[startup+0.0769451 s]
/proc/loadavg: 1.71 1.95 1.89 3/64 23569
/proc/meminfo: memFree=1533992/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268416 CPUtime=0.06
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 4663 0 0 0 5 1 0 0 18 0 1 0 1129889624 274857984 4621 1992294400 134512640 135204385 4294956208 18446744073709551615 134537231 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67104 4621 69 168 0 66934 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 268416

[startup+0.102948 s]
/proc/loadavg: 1.71 1.95 1.89 3/64 23569
/proc/meminfo: memFree=1533992/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268820 CPUtime=0.09
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 4741 0 0 0 8 1 0 0 18 0 1 0 1129889624 275271680 4699 1992294400 134512640 135204385 4294956208 18446744073709551615 134537231 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67205 4699 84 168 0 67035 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 268820

[startup+0.302983 s]
/proc/loadavg: 1.71 1.95 1.89 3/64 23569
/proc/meminfo: memFree=1533992/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268760 CPUtime=0.29
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 4801 0 0 0 28 1 0 0 19 0 1 0 1129889624 275210240 4701 1992294400 134512640 135204385 4294956208 18446744073709551615 134536869 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67190 4701 84 168 0 67020 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 268760

[startup+0.70105 s]
/proc/loadavg: 1.71 1.95 1.89 3/64 23569
/proc/meminfo: memFree=1533992/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268760 CPUtime=0.69
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 4921 0 0 0 68 1 0 0 22 0 1 0 1129889624 275210240 4704 1992294400 134512640 135204385 4294956208 18446744073709551615 134537320 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67190 4704 84 168 0 67020 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 268760

[startup+1.50119 s]
/proc/loadavg: 1.71 1.95 1.89 2/65 23570
/proc/meminfo: memFree=1515360/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268780 CPUtime=1.48
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 5196 0 0 0 147 1 0 0 25 0 1 0 1129889624 275230720 4710 1992294400 134512640 135204385 4294956208 18446744073709551615 134536986 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67195 4710 84 168 0 67025 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 268780

[startup+3.10146 s]
/proc/loadavg: 1.71 1.95 1.89 2/65 23570
/proc/meminfo: memFree=1515232/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268832 CPUtime=3.08
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 5505 0 0 0 307 1 0 0 25 0 1 0 1129889624 275283968 4713 1992294400 134512640 135204385 4294956208 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67208 4713 84 168 0 67038 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 268832

[startup+6.30201 s]
/proc/loadavg: 1.65 1.94 1.88 2/65 23570
/proc/meminfo: memFree=1515168/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268812 CPUtime=6.29
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 5875 0 0 0 627 2 0 0 25 0 1 0 1129889624 275263488 4717 1992294400 134512640 135204385 4294956208 18446744073709551615 134659317 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67203 4717 84 168 0 67033 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 268812

[startup+12.7011 s]
/proc/loadavg: 1.60 1.92 1.88 2/65 23570
/proc/meminfo: memFree=1515168/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268832 CPUtime=12.68
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 6667 0 0 0 1266 2 0 0 25 0 1 0 1129889624 275283968 4719 1992294400 134512640 135204385 4294956208 18446744073709551615 134545915 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67208 4719 84 168 0 67038 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 268832

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

[startup+13.1012 s]
/proc/loadavg: 1.60 1.92 1.88 2/65 23570
/proc/meminfo: memFree=1515168/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268832 CPUtime=13.08
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 6699 0 0 0 1306 2 0 0 25 0 1 0 1129889624 275283968 4719 1992294400 134512640 135204385 4294956208 18446744073709551615 134537292 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67208 4719 84 168 0 67038 0
Current children cumulated CPU time (s) 13.08
Current children cumulated vsize (KiB) 268832

[startup+13.5012 s]
/proc/loadavg: 1.60 1.92 1.88 2/65 23570
/proc/meminfo: memFree=1515168/2055920 swapFree=4179416/4192956
[pid=23569] ppid=23567 vsize=268816 CPUtime=13.48
/proc/23569/stat : 23569 (hybridGM3) R 23567 23569 23018 0 -1 4194304 6783 0 0 0 1346 2 0 0 25 0 1 0 1129889624 275267584 4721 1992294400 134512640 135204385 4294956208 18446744073709551615 134537123 0 0 4096 0 0 0 0 17 1 0 0
/proc/23569/statm: 67204 4721 84 168 0 67034 0
Current children cumulated CPU time (s) 13.48
Current children cumulated vsize (KiB) 268816

Child status: 10
Real time (s): 13.5428
CPU time (s): 13.5369
CPU user time (s): 13.5029
CPU system time (s): 0.033994
CPU usage (%): 99.9566
Max. virtual memory (cumulated for all children) (KiB): 268836

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.5029
system time used= 0.033994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6809
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= 2
involuntary context switches= 43

runsolver used 0.018997 second user time and 0.033994 second system time

The end

Launcher Data 

Begin job on node25 at 2009-04-01 09:50:40
IDJOB=1542756
IDBENCH=70656
IDSOLVER=534
FILE ID=node25/1542756-1238572240
PBS_JOBID= 9070501
Free space on /tmp= 66264 MiB

SOLVER NAME= hybridGM3 3
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/520/unif-k3-r4.25-v520-c2210-S1536609007-088.cnf
COMMAND LINE= HOME/hybridGM3 BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1542756-1238572240/watcher-1542756-1238572240 -o /tmp/evaluation-result-1542756-1238572240/solver-1542756-1238572240 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hybridGM3 HOME/instance-1542756-1238572240.cnf 1298129499 

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

MD5SUM BENCH= 95e50be0ec36bd6dfa5233022c3ad7ac
RANDOM SEED=1298129499

node25.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		: 3000.263
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:       1534408 kB
Buffers:        105416 kB
Cached:         313900 kB
SwapCached:       7316 kB
Active:         204392 kB
Inactive:       223776 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1534408 kB
SwapTotal:     4192956 kB
SwapFree:      4179416 kB
Dirty:            1292 kB
Writeback:           0 kB
Mapped:          14544 kB
Slab:            79292 kB
Committed_AS:  3281564 kB
PageTables:       1464 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= 66264 MiB
End job on node25 at 2009-04-01 09:50:54