Trace number 1546131

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
SAT07 reference solver: gnovelty+ 2007-02-08SAT 2.45663 2.45755

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/480/
unif-k3-r4.25-v480-c2040-S2069223517-023.cnf
MD5SUM7ead389f296345f5890ecfc4b085f8df
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.117982
Satisfiable
(Un)Satisfiability was proved
Number of variables480
Number of clauses2040
Sum of the clauses size6120
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32040
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.01	c +------------------------------+
0.00/0.01	c | gNovelty+, version 1.0       |
0.00/0.01	c +------------------------------+
0.00/0.01	c gnovelty+ -h for help
0.00/0.01	c 
0.00/0.01	c Problem instance: numAtoms = 480, numClauses = 2040, numLiterals = 6120
0.00/0.01	c General parameters: seed=275393918, cutoff=100000, targetCost = 0, print solution: yes
0.00/0.01	c gNovelty+ parameters: noise = 0, walkprob = 1, smoothprob = 40
0.00/0.01	c tries = 1
0.00/0.01	c 
2.38/2.45	s SATISFIABLE
2.38/2.45	v -1
2.38/2.45	v 2
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2.38/2.45	v -7
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2.38/2.45	v -10
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2.38/2.45	v -26
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2.38/2.45	v -33
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2.38/2.45	v -38
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2.38/2.45	v -45
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2.38/2.45	v -71
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2.38/2.45	v -167
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2.38/2.45	v -175
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2.38/2.45	v 365
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2.38/2.45	v -479
2.38/2.45	v 480
2.38/2.45	v 0
2.38/2.45	c Done in 2.440000 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-1546131-1238675731/watcher-1546131-1238675731 -o /tmp/evaluation-result-1546131-1238675731/solver-1546131-1238675731 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1546131-1238675731.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): 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: 1.10 1.02 1.01 3/65 12226
/proc/meminfo: memFree=1181240/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=244700 CPUtime=0
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 924 0 0 0 0 0 0 0 20 0 1 0 1026946808 250572800 910 1992294400 134512640 134921880 4294956240 18446744073709551615 134518504 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 61175 918 40 99 0 61074 0

[startup+0.101072 s]
/proc/loadavg: 1.10 1.02 1.01 3/65 12226
/proc/meminfo: memFree=1181240/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=252512 CPUtime=0.09
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 2087 0 0 0 9 0 0 0 20 0 1 0 1026946808 258572288 2072 1992294400 134512640 134921880 4294956240 18446744073709551615 134513874 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 63128 2072 44 99 0 63027 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 252512

[startup+0.202082 s]
/proc/loadavg: 1.10 1.02 1.01 3/65 12226
/proc/meminfo: memFree=1181240/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=252512 CPUtime=0.19
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 2087 0 0 0 19 0 0 0 21 0 1 0 1026946808 258572288 2072 1992294400 134512640 134921880 4294956240 18446744073709551615 134516289 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 63128 2072 44 99 0 63027 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 252512

[startup+0.30209 s]
/proc/loadavg: 1.10 1.02 1.01 3/65 12226
/proc/meminfo: memFree=1181240/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=252512 CPUtime=0.29
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 2087 0 0 0 29 0 0 0 23 0 1 0 1026946808 258572288 2072 1992294400 134512640 134921880 4294956240 18446744073709551615 134516314 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 63128 2072 44 99 0 63027 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 252512

[startup+0.701128 s]
/proc/loadavg: 1.10 1.02 1.01 3/65 12226
/proc/meminfo: memFree=1181240/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=252512 CPUtime=0.68
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 2087 0 0 0 68 0 0 0 25 0 1 0 1026946808 258572288 2072 1992294400 134512640 134921880 4294956240 18446744073709551615 134513956 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 63128 2072 44 99 0 63027 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 252512

[startup+1.5012 s]
/proc/loadavg: 1.10 1.02 1.01 2/66 12227
/proc/meminfo: memFree=1173040/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=252512 CPUtime=1.48
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 2087 0 0 0 148 0 0 0 25 0 1 0 1026946808 258572288 2072 1992294400 134512640 134921880 4294956240 18446744073709551615 134513340 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 63128 2072 44 99 0 63027 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 252512

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

[startup+1.60121 s]
/proc/loadavg: 1.10 1.02 1.01 2/66 12227
/proc/meminfo: memFree=1173040/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=252512 CPUtime=1.58
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 2087 0 0 0 158 0 0 0 25 0 1 0 1026946808 258572288 2072 1992294400 134512640 134921880 4294956240 18446744073709551615 134516048 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 63128 2072 44 99 0 63027 0
Current children cumulated CPU time (s) 1.58
Current children cumulated vsize (KiB) 252512

[startup+2.00125 s]
/proc/loadavg: 1.10 1.02 1.01 2/66 12227
/proc/meminfo: memFree=1173040/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=252512 CPUtime=1.98
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 2087 0 0 0 198 0 0 0 25 0 1 0 1026946808 258572288 2072 1992294400 134512640 134921880 4294956240 18446744073709551615 134513711 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 63128 2072 44 99 0 63027 0
Current children cumulated CPU time (s) 1.98
Current children cumulated vsize (KiB) 252512

[startup+2.40129 s]
/proc/loadavg: 1.10 1.02 1.01 2/66 12227
/proc/meminfo: memFree=1172912/2055920 swapFree=4176856/4192956
[pid=12226] ppid=12224 vsize=252512 CPUtime=2.38
/proc/12226/stat : 12226 (gnovelty+) R 12224 12226 10518 0 -1 4194304 2087 0 0 0 238 0 0 0 25 0 1 0 1026946808 258572288 2072 1992294400 134512640 134921880 4294956240 18446744073709551615 134513804 0 0 4096 0 0 0 0 17 1 0 0
/proc/12226/statm: 63128 2072 44 99 0 63027 0
Current children cumulated CPU time (s) 2.38
Current children cumulated vsize (KiB) 252512

Child status: 10
Real time (s): 2.45755
CPU time (s): 2.45663
CPU user time (s): 2.44463
CPU system time (s): 0.011998
CPU usage (%): 99.9622
Max. virtual memory (cumulated for all children) (KiB): 252512

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.44463
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2096
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= 9

runsolver used 0.010998 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node8 at 2009-04-02 14:35:31
IDJOB=1546131
IDBENCH=70723
IDSOLVER=561
FILE ID=node8/1546131-1238675731
PBS_JOBID= 9075397
Free space on /tmp= 64248 MiB

SOLVER NAME= SAT07 reference solver: gnovelty+ 2007-02-08
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/480/unif-k3-r4.25-v480-c2040-S2069223517-023.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1546131-1238675731/watcher-1546131-1238675731 -o /tmp/evaluation-result-1546131-1238675731/solver-1546131-1238675731 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1546131-1238675731.cnf            

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

MD5SUM BENCH= 7ead389f296345f5890ecfc4b085f8df
RANDOM SEED=1792513347

node8.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		: 3000.232
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		: 3000.232
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:       1181656 kB
Buffers:        109436 kB
Cached:         655948 kB
SwapCached:       9204 kB
Active:         221432 kB
Inactive:       554608 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1181656 kB
SwapTotal:     4192956 kB
SwapFree:      4176856 kB
Dirty:            1564 kB
Writeback:           0 kB
Mapped:          16376 kB
Slab:            83912 kB
Committed_AS:  2833476 kB
PageTables:       1376 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 64248 MiB
End job on node8 at 2009-04-02 14:35:33