Trace number 295590

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
adaptg2wsat0 2007-02-08SAT 1.86672 1.8689

General information on the benchmark

Namerandom/OnTreshold/7SAT/v55/
unif-k7-r89-v55-c4895-S108421787-03.SAT.shuffled.cnf
MD5SUM7db1dbd28711a9e9c5914ed4cfba8cd8
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.18597
Satisfiable
(Un)Satisfiability was proved
Number of variables55
Number of clauses4895
Sum of the clauses size34265
Maximum clause length7
Minimum clause length7
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 54895

Solver Data (download as text)

1.84/1.86	c try 1 flip j 38211
1.84/1.86	c A solution is found
1.84/1.86	s SATISFIABLE
1.84/1.86	v 1 2 -3 4 5 -6 7 8 9 -10 -11 12 -13 14 15 -16 -17 18 19 20 -21 22 23 -24 -25 -26 27 -28 29 30 -31 -32 33 34 35 -36 -37 38 -39 -40 41 42 43 44 45 -46 -47 -48 49 -50 51 52 53 54 -55 
1.84/1.86	v 0 
1.84/1.86	c Done (mycputime is 0.330 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/node11/watcher-295590-1171808292 -o ROOT/results/node11/solver-295590-1171808292 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/295590-1171808292/adaptg2wsat0 /tmp/evaluation/295590-1171808292/instance-295590-1171808292.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: 1.94 1.87 1.47 3/77 11182
/proc/meminfo: memFree=275176/2055920 swapFree=4192812/4192956
[pid=11182] ppid=11180 vsize=215024 CPUtime=0
/proc/11182/stat : 11182 (adaptg2wsat0) R 11180 11182 9895 0 -1 4194304 97 0 0 0 0 0 0 0 18 0 1 0 200783760 220184576 81 18446744073709551615 134512640 134930208 4294956608 18446744073709551615 134582935 0 0 4096 0 0 0 0 17 0 0 0
/proc/11182/statm: 53756 81 40 101 0 53262 0

[startup+0.10712 s]
/proc/loadavg: 1.94 1.87 1.47 3/77 11182
/proc/meminfo: memFree=275176/2055920 swapFree=4192812/4192956
[pid=11182] ppid=11180 vsize=215548 CPUtime=0.1
/proc/11182/stat : 11182 (adaptg2wsat0) R 11180 11182 9895 0 -1 4194304 257 0 0 0 10 0 0 0 18 0 1 0 200783760 220721152 240 18446744073709551615 134512640 134930208 4294956608 18446744073709551615 134523624 0 0 4096 0 0 0 0 17 0 0 0
/proc/11182/statm: 53887 240 40 101 0 53393 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 215548

[startup+0.515171 s]
/proc/loadavg: 1.94 1.87 1.47 3/77 11182
/proc/meminfo: memFree=275176/2055920 swapFree=4192812/4192956
[pid=11182] ppid=11180 vsize=215548 CPUtime=0.51
/proc/11182/stat : 11182 (adaptg2wsat0) R 11180 11182 9895 0 -1 4194304 257 0 0 0 51 0 0 0 22 0 1 0 200783760 220721152 240 18446744073709551615 134512640 134930208 4294956608 18446744073709551615 134523497 0 0 4096 0 0 0 0 17 0 0 0
/proc/11182/statm: 53887 240 40 101 0 53393 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 215548

[startup+1.33626 s]
/proc/loadavg: 1.94 1.87 1.47 2/78 11183
/proc/meminfo: memFree=274144/2055920 swapFree=4192812/4192956
[pid=11182] ppid=11180 vsize=215548 CPUtime=1.33
/proc/11182/stat : 11182 (adaptg2wsat0) R 11180 11182 9895 0 -1 4194304 257 0 0 0 133 0 0 0 25 0 1 0 200783760 220721152 240 18446744073709551615 134512640 134930208 4294956608 18446744073709551615 134523472 0 0 4096 0 0 0 0 17 0 0 0
/proc/11182/statm: 53887 240 40 101 0 53393 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 215548

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

[startup+1.6423 s]
/proc/loadavg: 1.94 1.87 1.47 2/78 11183
/proc/meminfo: memFree=274144/2055920 swapFree=4192812/4192956
[pid=11182] ppid=11180 vsize=215692 CPUtime=1.64
/proc/11182/stat : 11182 (adaptg2wsat0) R 11180 11182 9895 0 -1 4194304 303 0 0 0 164 0 0 0 25 0 1 0 200783760 220868608 283 18446744073709551615 134512640 134930208 4294956608 18446744073709551615 134545215 0 0 4096 0 0 0 0 17 0 0 0
/proc/11182/statm: 53923 283 43 101 0 53429 0
Current children cumulated CPU time (s) 1.64
Current children cumulated vsize (KiB) 215692

[startup+1.84632 s]
/proc/loadavg: 1.94 1.87 1.47 2/78 11183
/proc/meminfo: memFree=274144/2055920 swapFree=4192812/4192956
[pid=11182] ppid=11180 vsize=215692 CPUtime=1.84
/proc/11182/stat : 11182 (adaptg2wsat0) R 11180 11182 9895 0 -1 4194304 303 0 0 0 184 0 0 0 25 0 1 0 200783760 220868608 283 18446744073709551615 134512640 134930208 4294956608 18446744073709551615 134545208 0 0 4096 0 0 0 0 17 0 0 0
/proc/11182/statm: 53923 283 43 101 0 53429 0
Current children cumulated CPU time (s) 1.84
Current children cumulated vsize (KiB) 215692

Child status: 10
Real time (s): 1.8689
CPU time (s): 1.86672
CPU user time (s): 1.86672
CPU system time (s): 0
CPU usage (%): 99.8831
Max. virtual memory (cumulated for all children) (KiB): 215692

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.86672
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 318
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= 8
involuntary context switches= 44

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data (download as text)

Begin job on node11 on Sun Feb 18 14:18:12 UTC 2007

IDJOB= 295590
IDBENCH= 19916
IDSOLVER= 126
FILE ID= node11/295590-1171808292

PBS_JOBID= 3839339

Free space on /tmp= 66539 MiB

SOLVER NAME= adaptg2wsat0 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/7SAT/v55/unif-k7-r89-v55-c4895-S108421787-03.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/295590-1171808292/adaptg2wsat0 /tmp/evaluation/295590-1171808292/instance-295590-1171808292.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node11/watcher-295590-1171808292 -o ROOT/results/node11/solver-295590-1171808292 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/295590-1171808292/adaptg2wsat0 /tmp/evaluation/295590-1171808292/instance-295590-1171808292.cnf            

META MD5SUM SOLVER= dc7cfffb7b5aa51d884144c196acd75c
MD5SUM BENCH=  7db1dbd28711a9e9c5914ed4cfba8cd8

RANDOM SEED= 778574483

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node11.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		: 3000.243
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		: 3000.243
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:        275656 kB
Buffers:         50496 kB
Cached:        1614280 kB
SwapCached:          0 kB
Active:         251108 kB
Inactive:      1456792 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        275656 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            6388 kB
Writeback:           0 kB
Mapped:          61952 kB
Slab:            57968 kB
Committed_AS:   613992 kB
PageTables:       1756 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= 66539 MiB

End job on node11 on Sun Feb 18 14:18:14 UTC 2007