Trace number 312440

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
adaptg2wsatp 2007-02-08SAT 15.4986 15.5226

General information on the benchmark

Namerandom/2+p/p0.8/v1665/
unif2p-p0.8-v1665-c5178-S1363528912-04-SAT.cnf
MD5SUMb570344119c652fb3e5253d1ef16a171
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.17982
Satisfiable
(Un)Satisfiability was proved
Number of variables1665
Number of clauses5177
Sum of the clauses size14496
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21035
Number of clauses of size 34142
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

15.45/15.52	c try 1 flip j 12967742
15.45/15.52	c A solution is found
15.45/15.52	s SATISFIABLE
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15.45/15.52	v 0 
15.45/15.52	c Done (mycputime is 15.480 seconds)

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node41/watcher-312440-1172588505 -o ROOT/results/node41/solver-312440-1172588505 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/312440-1172588505/adaptg2wsatp /tmp/evaluation/312440-1172588505/instance-312440-1172588505.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.00 0.02 0.24 3/70 21013
/proc/meminfo: memFree=1801072/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=222844 CPUtime=0
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 100 0 0 0 0 0 0 0 18 0 1 0 278807244 228192256 84 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134588183 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 55711 85 38 103 0 55215 0

[startup+0.107168 s]
/proc/loadavg: 0.00 0.02 0.24 3/70 21013
/proc/meminfo: memFree=1801072/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=0.1
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 10 0 0 0 18 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134545091 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 224788

[startup+0.5152 s]
/proc/loadavg: 0.00 0.02 0.24 3/70 21013
/proc/meminfo: memFree=1801072/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=0.51
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 51 0 0 0 21 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134551397 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 224788

[startup+1.33627 s]
/proc/loadavg: 0.00 0.02 0.24 2/71 21014
/proc/meminfo: memFree=1799720/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=1.33
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 133 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134550386 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 224788

[startup+2.97341 s]
/proc/loadavg: 0.00 0.02 0.24 2/71 21016
/proc/meminfo: memFree=1799720/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=2.96
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 296 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134552006 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 224788

[startup+6.2587 s]
/proc/loadavg: 0.08 0.04 0.24 2/71 21026
/proc/meminfo: memFree=1799656/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=6.24
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 624 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134550543 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 224788

[startup+12.7113 s]
/proc/loadavg: 0.15 0.06 0.25 2/71 21048
/proc/meminfo: memFree=1799656/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=12.68
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 1268 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134550117 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 224788

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

[startup+13.1203 s]
/proc/loadavg: 0.15 0.06 0.25 2/71 21048
/proc/meminfo: memFree=1799656/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=13.09
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 1309 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134550108 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 13.09
Current children cumulated vsize (KiB) 224788

[startup+14.7654 s]
/proc/loadavg: 0.22 0.07 0.25 2/71 21050
/proc/meminfo: memFree=1799848/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=14.74
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 1474 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134551997 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 14.74
Current children cumulated vsize (KiB) 224788

[startup+15.1735 s]
/proc/loadavg: 0.22 0.07 0.25 2/71 21050
/proc/meminfo: memFree=1799848/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=15.14
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 1514 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134551416 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 15.14
Current children cumulated vsize (KiB) 224788

[startup+15.3775 s]
/proc/loadavg: 0.22 0.07 0.25 2/71 21050
/proc/meminfo: memFree=1799848/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=15.35
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 1535 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134550473 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 15.35
Current children cumulated vsize (KiB) 224788

[startup+15.4795 s]
/proc/loadavg: 0.22 0.07 0.25 2/71 21050
/proc/meminfo: memFree=1799848/2055920 swapFree=4172320/4192956
[pid=21013] ppid=21011 vsize=224788 CPUtime=15.45
/proc/21013/stat : 21013 (adaptg2wsatp) R 21011 21013 20730 0 -1 4194304 301 0 0 0 1545 0 0 0 25 0 1 0 278807244 230182912 281 18446744073709551615 134512640 134935456 4294956704 18446744073709551615 134551257 0 0 4096 0 0 0 0 17 1 0 0
/proc/21013/statm: 56197 281 42 103 0 55701 0
Current children cumulated CPU time (s) 15.45
Current children cumulated vsize (KiB) 224788

Child status: 10
Real time (s): 15.5226
CPU time (s): 15.4986
CPU user time (s): 15.4956
CPU system time (s): 0.002999
CPU usage (%): 99.8459
Max. virtual memory (cumulated for all children) (KiB): 224788

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 15.4956
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 314
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= 57

runsolver used 0.017997 second user time and 0.040993 second system time

The end

Launcher Data (download as text)

Begin job on node41 on Tue Feb 27 15:01:48 UTC 2007

IDJOB= 312440
IDBENCH= 20341
IDSOLVER= 125
FILE ID= node41/312440-1172588505

PBS_JOBID= 3971945

Free space on /tmp= 66554 MiB

SOLVER NAME= adaptg2wsatp 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1665/unif2p-p0.8-v1665-c5178-S1363528912-04-SAT.cnf
COMMAND LINE= /tmp/evaluation/312440-1172588505/adaptg2wsatp /tmp/evaluation/312440-1172588505/instance-312440-1172588505.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node41/watcher-312440-1172588505 -o ROOT/results/node41/solver-312440-1172588505 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/312440-1172588505/adaptg2wsatp /tmp/evaluation/312440-1172588505/instance-312440-1172588505.cnf            

META MD5SUM SOLVER= dc7cfffb7b5aa51d884144c196acd75c
MD5SUM BENCH=  b570344119c652fb3e5253d1ef16a171

RANDOM SEED= 749713044

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node41.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		: 3000.231
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		: 3000.231
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:       1801544 kB
Buffers:         34520 kB
Cached:         157768 kB
SwapCached:      14908 kB
Active:         123916 kB
Inactive:        90384 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1801544 kB
SwapTotal:     4192956 kB
SwapFree:      4172320 kB
Dirty:            6280 kB
Writeback:           0 kB
Mapped:          16560 kB
Slab:            25620 kB
Committed_AS:   576272 kB
PageTables:       1720 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= 66554 MiB

End job on node41 on Tue Feb 27 15:02:09 UTC 2007