Trace number 1627587

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 2.73558 2.7364

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/500/
unif-k3-r4.25-v500-c2125-S353643296-086.cnf
MD5SUM737f90cc4667953389f21d8a50271567
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.173973
Satisfiable
(Un)Satisfiability was proved
Number of variables500
Number of clauses2125
Sum of the clauses size6375
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32125
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 = 500, numClauses = 2125, numLiterals = 6375
0.00/0.03	c General parameters: seed=133044844, 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 
2.69/2.73	c gNovelty+ (M  25 )
2.69/2.73	s SATISFIABLE
2.69/2.73	v -1
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2.69/2.73	v 0
2.69/2.73	c Done in 2.700000 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-1627587-1240140818/watcher-1627587-1240140818 -o /tmp/evaluation-result-1627587-1240140818/solver-1627587-1240140818 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/hybridGM3 HOME/instance-1627587-1240140818.cnf 133044844 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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: 1.01 1.00 1.00 3/65 22048
/proc/meminfo: memFree=1407632/2055920 swapFree=4192956/4192956
[pid=22048] ppid=22046 vsize=260600 CPUtime=0
/proc/22048/stat : 22048 (hybridGM3) R 22046 22048 21875 0 -1 4194304 729 0 0 0 0 0 0 0 18 0 1 0 42111500 266854400 713 1992294400 134512640 135204385 4294956224 18446744073709551615 134542712 0 0 4096 0 0 0 0 17 1 0 0
/proc/22048/statm: 65150 720 54 168 0 64980 0

[startup+0.0512859 s]
/proc/loadavg: 1.01 1.00 1.00 3/65 22048
/proc/meminfo: memFree=1407632/2055920 swapFree=4192956/4192956
[pid=22048] ppid=22046 vsize=268416 CPUtime=0.04
/proc/22048/stat : 22048 (hybridGM3) R 22046 22048 21875 0 -1 4194304 4553 0 0 0 3 1 0 0 18 0 1 0 42111500 274857984 4536 1992294400 134512640 135204385 4294956224 18446744073709551615 134536955 0 0 4096 0 0 0 0 17 1 0 0
/proc/22048/statm: 67104 4536 63 168 0 66934 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 268416

[startup+0.101291 s]
/proc/loadavg: 1.01 1.00 1.00 3/65 22048
/proc/meminfo: memFree=1407632/2055920 swapFree=4192956/4192956
[pid=22048] ppid=22046 vsize=268416 CPUtime=0.09
/proc/22048/stat : 22048 (hybridGM3) R 22046 22048 21875 0 -1 4194304 4553 0 0 0 8 1 0 0 18 0 1 0 42111500 274857984 4536 1992294400 134512640 135204385 4294956224 18446744073709551615 134547418 0 0 4096 0 0 0 0 17 1 0 0
/proc/22048/statm: 67104 4536 63 168 0 66934 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 268416

[startup+0.301313 s]
/proc/loadavg: 1.01 1.00 1.00 3/65 22048
/proc/meminfo: memFree=1407632/2055920 swapFree=4192956/4192956
[pid=22048] ppid=22046 vsize=268484 CPUtime=0.29
/proc/22048/stat : 22048 (hybridGM3) R 22046 22048 21875 0 -1 4194304 4739 0 0 0 28 1 0 0 19 0 1 0 42111500 274927616 4639 1992294400 134512640 135204385 4294956224 18446744073709551615 134536678 0 0 4096 0 0 0 0 17 1 0 0
/proc/22048/statm: 67121 4639 84 168 0 66951 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 268484

[startup+0.70136 s]
/proc/loadavg: 1.01 1.00 1.00 3/65 22048
/proc/meminfo: memFree=1407632/2055920 swapFree=4192956/4192956
[pid=22048] ppid=22046 vsize=268748 CPUtime=0.69
/proc/22048/stat : 22048 (hybridGM3) R 22046 22048 21875 0 -1 4194304 4797 0 0 0 67 2 0 0 23 0 1 0 42111500 275197952 4697 1992294400 134512640 135204385 4294956224 18446744073709551615 134537548 0 0 4096 0 0 0 0 17 1 0 0
/proc/22048/statm: 67187 4697 84 168 0 67017 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 268748

[startup+1.50145 s]
/proc/loadavg: 1.01 1.00 1.00 2/66 22049
/proc/meminfo: memFree=1389000/2055920 swapFree=4192956/4192956
[pid=22048] ppid=22046 vsize=268508 CPUtime=1.49
/proc/22048/stat : 22048 (hybridGM3) R 22046 22048 21875 0 -1 4194304 4906 0 0 0 147 2 0 0 25 0 1 0 42111500 274952192 4649 1992294400 134512640 135204385 4294956224 18446744073709551615 134547446 0 0 4096 0 0 0 0 17 1 0 0
/proc/22048/statm: 67127 4649 84 168 0 66957 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 268508

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

[startup+2.30154 s]
/proc/loadavg: 1.01 1.00 1.00 2/66 22049
/proc/meminfo: memFree=1388872/2055920 swapFree=4192956/4192956
[pid=22048] ppid=22046 vsize=268772 CPUtime=2.29
/proc/22048/stat : 22048 (hybridGM3) R 22046 22048 21875 0 -1 4194304 5120 0 0 0 227 2 0 0 25 0 1 0 42111500 275222528 4702 1992294400 134512640 135204385 4294956224 18446744073709551615 134537126 0 0 4096 0 0 0 0 17 1 0 0
/proc/22048/statm: 67193 4702 84 168 0 67023 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 268772

[startup+2.70159 s]
/proc/loadavg: 1.01 1.00 1.00 2/66 22049
/proc/meminfo: memFree=1388872/2055920 swapFree=4192956/4192956
[pid=22048] ppid=22046 vsize=268516 CPUtime=2.69
/proc/22048/stat : 22048 (hybridGM3) R 22046 22048 21875 0 -1 4194304 5121 0 0 0 267 2 0 0 25 0 1 0 42111500 274960384 4651 1992294400 134512640 135204385 4294956224 18446744073709551615 134546524 0 0 4096 0 0 0 0 17 1 0 0
/proc/22048/statm: 67129 4651 84 168 0 66959 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 268516

Child status: 10
Real time (s): 2.7364
CPU time (s): 2.73558
CPU user time (s): 2.70959
CPU system time (s): 0.025996
CPU usage (%): 99.9701
Max. virtual memory (cumulated for all children) (KiB): 268780

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.70959
system time used= 0.025996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5131
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= 5

runsolver used 0.005999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node85 at 2009-04-19 13:33:38
IDJOB=1627587
IDBENCH=70653
IDSOLVER=580
FILE ID=node85/1627587-1240140818
PBS_JOBID= 9157897
Free space on /tmp= 126720 MiB

SOLVER NAME= hybridGM3 3
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/500/unif-k3-r4.25-v500-c2125-S353643296-086.cnf
COMMAND LINE= HOME/hybridGM3 BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1627587-1240140818/watcher-1627587-1240140818 -o /tmp/evaluation-result-1627587-1240140818/solver-1627587-1240140818 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/hybridGM3 HOME/instance-1627587-1240140818.cnf 133044844 

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 737f90cc4667953389f21d8a50271567
RANDOM SEED=133044844

node85.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		: 3000.238
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		: 3000.238
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1408112 kB
Buffers:         74524 kB
Cached:         502048 kB
SwapCached:          0 kB
Active:         220192 kB
Inactive:       370212 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1408112 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            1504 kB
Writeback:           0 kB
Mapped:          23496 kB
Slab:            43404 kB
Committed_AS:   162788 kB
PageTables:       1372 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= 126720 MiB
End job on node85 at 2009-04-19 13:33:41