Trace number 1627621

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 23.5754 23.5817

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/400/
unif-k3-r4.25-v400-c1700-S419666888-007.cnf
MD5SUM0d6d5d5399446131b06db17642f36592
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.022995
Satisfiable
(Un)Satisfiability was proved
Number of variables400
Number of clauses1700
Sum of the clauses size5100
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31700
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 = 400, numClauses = 1700, numLiterals = 5100
0.00/0.03	c General parameters: seed=1867212626, 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 
23.48/23.57	c gNovelty+ (M  702 )
23.48/23.57	s SATISFIABLE
23.48/23.57	v -1
23.48/23.57	v 2
23.48/23.57	v 3
23.48/23.57	v -4
23.48/23.57	v -5
23.48/23.57	v 6
23.48/23.57	v -7
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23.48/23.57	v -22
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23.48/23.57	v -33
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23.48/23.57	v -37
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23.48/23.57	v -39
23.48/23.57	v -40
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23.48/23.57	v -54
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23.48/23.57	v -61
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23.48/23.57	v -64
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23.48/23.57	v -66
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23.48/23.57	v -72
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23.48/23.57	v -75
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23.48/23.57	v -79
23.48/23.57	v -80
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23.48/23.57	v -82
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23.48/23.57	v -94
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23.48/23.57	v -97
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23.48/23.57	v -100
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23.48/23.57	v -118
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23.48/23.57	v -160
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23.48/23.58	v -368
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23.48/23.58	v -375
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23.48/23.58	v -379
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23.48/23.58	v -381
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23.48/23.58	v -384
23.48/23.58	v -385
23.48/23.58	v -386
23.48/23.58	v -387
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23.48/23.58	v 390
23.48/23.58	v -391
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23.48/23.58	v -393
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23.48/23.58	v -396
23.48/23.58	v -397
23.48/23.58	v 398
23.48/23.58	v -399
23.48/23.58	v 400
23.48/23.58	v 0
23.48/23.58	c Done in 23.530000 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-1627621-1240141631/watcher-1627621-1240141631 -o /tmp/evaluation-result-1627621-1240141631/solver-1627621-1240141631 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/hybridGM3 HOME/instance-1627621-1240141631.cnf 1867212626 

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: 0.92 0.97 0.99 2/64 26277
/proc/meminfo: memFree=1416120/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=260600 CPUtime=0
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 848 0 0 0 0 0 0 0 18 0 1 0 42190406 266854400 832 1992294400 134512640 135204385 4294956224 18446744073709551615 134542712 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 65150 839 54 168 0 64980 0

[startup+0.086239 s]
/proc/loadavg: 0.92 0.97 0.99 2/64 26277
/proc/meminfo: memFree=1416120/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268688 CPUtime=0.07
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 4678 0 0 0 6 1 0 0 18 0 1 0 42190406 275136512 4661 1992294400 134512640 135204385 4294956224 18446744073709551615 134547755 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67172 4661 84 168 0 67002 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 268688

[startup+0.101241 s]
/proc/loadavg: 0.92 0.97 0.99 2/64 26277
/proc/meminfo: memFree=1416120/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268688 CPUtime=0.09
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 4678 0 0 0 8 1 0 0 18 0 1 0 42190406 275136512 4661 1992294400 134512640 135204385 4294956224 18446744073709551615 134537303 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67172 4661 84 168 0 67002 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 268688

[startup+0.301274 s]
/proc/loadavg: 0.92 0.97 0.99 2/64 26277
/proc/meminfo: memFree=1416120/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268752 CPUtime=0.29
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 4818 0 0 0 28 1 0 0 20 0 1 0 42190406 275202048 4662 1992294400 134512640 135204385 4294956224 18446744073709551615 134607505 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67188 4662 84 168 0 67018 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 268752

[startup+0.70134 s]
/proc/loadavg: 0.92 0.97 0.99 2/64 26277
/proc/meminfo: memFree=1416120/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268492 CPUtime=0.69
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 5008 0 0 0 68 1 0 0 23 0 1 0 42190406 274935808 4629 1992294400 134512640 135204385 4294956224 18446744073709551615 134545977 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67123 4629 84 168 0 66953 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 268492

[startup+1.50147 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397616/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268748 CPUtime=1.5
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 5396 0 0 0 148 2 0 0 25 0 1 0 42190406 275197952 4667 1992294400 134512640 135204385 4294956224 18446744073709551615 134536813 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67187 4667 84 168 0 67017 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 268748

[startup+3.10174 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397488/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268748 CPUtime=3.1
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 5530 0 0 0 308 2 0 0 25 0 1 0 42190406 275197952 4670 1992294400 134512640 135204385 4294956224 18446744073709551615 134537366 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67187 4670 84 168 0 67017 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 268748

[startup+6.30228 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397488/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268756 CPUtime=6.3
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 5587 0 0 0 628 2 0 0 25 0 1 0 42190406 275206144 4670 1992294400 134512640 135204385 4294956224 18446744073709551615 134572257 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67189 4670 84 168 0 67019 0
Current children cumulated CPU time (s) 6.3
Current children cumulated vsize (KiB) 268756

[startup+12.7014 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397432/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268760 CPUtime=12.69
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 5743 0 0 0 1267 2 0 0 25 0 1 0 42190406 275210240 4679 1992294400 134512640 135204385 4294956224 18446744073709551615 134572857 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67190 4679 84 168 0 67020 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 268760

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

[startup+19.1014 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397432/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268760 CPUtime=19.08
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 5935 0 0 0 1906 2 0 0 25 0 1 0 42190406 275210240 4679 1992294400 134512640 135204385 4294956224 18446744073709551615 134537231 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67190 4679 84 168 0 67020 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 268760

[startup+20.7017 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397432/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268760 CPUtime=20.68
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 5979 0 0 0 2066 2 0 0 25 0 1 0 42190406 275210240 4679 1992294400 134512640 135204385 4294956224 18446744073709551615 134537539 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67190 4679 84 168 0 67020 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 268760

[startup+22.302 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397496/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268764 CPUtime=22.28
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 6035 0 0 0 2226 2 0 0 25 0 1 0 42190406 275214336 4679 1992294400 134512640 135204385 4294956224 18446744073709551615 134703764 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67191 4679 84 168 0 67021 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 268764

[startup+23.1051 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397496/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268764 CPUtime=23.09
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 6088 0 0 0 2307 2 0 0 25 0 1 0 42190406 275214336 4680 1992294400 134512640 135204385 4294956224 18446744073709551615 134537320 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67191 4680 84 168 0 67021 0
Current children cumulated CPU time (s) 23.09
Current children cumulated vsize (KiB) 268764

[startup+23.5012 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 26278
/proc/meminfo: memFree=1397496/2055920 swapFree=4192956/4192956
[pid=26277] ppid=26275 vsize=268764 CPUtime=23.48
/proc/26277/stat : 26277 (hybridGM3) R 26275 26277 25255 0 -1 4194304 6116 0 0 0 2346 2 0 0 25 0 1 0 42190406 275214336 4680 1992294400 134512640 135204385 4294956224 18446744073709551615 134545995 0 0 4096 0 0 0 0 17 1 0 0
/proc/26277/statm: 67191 4680 84 168 0 67021 0
Current children cumulated CPU time (s) 23.48
Current children cumulated vsize (KiB) 268764

Child status: 10
Real time (s): 23.5817
CPU time (s): 23.5754
CPU user time (s): 23.5444
CPU system time (s): 0.030995
CPU usage (%): 99.9733
Max. virtual memory (cumulated for all children) (KiB): 268764

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.5444
system time used= 0.030995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6127
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= 62

runsolver used 0.022996 second user time and 0.052991 second system time

The end

Launcher Data 

Begin job on node57 at 2009-04-19 13:47:11
IDJOB=1627621
IDBENCH=70687
IDSOLVER=580
FILE ID=node57/1627621-1240141631
PBS_JOBID= 9157899
Free space on /tmp= 66440 MiB

SOLVER NAME= hybridGM3 3
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/400/unif-k3-r4.25-v400-c1700-S419666888-007.cnf
COMMAND LINE= HOME/hybridGM3 BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1627621-1240141631/watcher-1627621-1240141631 -o /tmp/evaluation-result-1627621-1240141631/solver-1627621-1240141631 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/hybridGM3 HOME/instance-1627621-1240141631.cnf 1867212626 

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

MD5SUM BENCH= 0d6d5d5399446131b06db17642f36592
RANDOM SEED=1867212626

node57.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		: 3000.256
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		: 3000.256
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:       1416536 kB
Buffers:         83640 kB
Cached:         478652 kB
SwapCached:          0 kB
Active:         340608 kB
Inactive:       235596 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1416536 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            1700 kB
Writeback:           0 kB
Mapped:          23616 kB
Slab:            49212 kB
Committed_AS:   175896 kB
PageTables:       1388 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= 66440 MiB
End job on node57 at 2009-04-19 13:47:35