Trace number 320709

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
picosat 535UNSAT 2.25866 2.26025

General information on the benchmark

Nameindustrial/babic/xinetd/
xinetd_vc56687.cnf
MD5SUM8ee40e47d0f78a39fcf5c18ad73a5bdd
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.196969
Satisfiable
(Un)Satisfiability was proved
Number of variables110822
Number of clauses286158
Sum of the clauses size694158
Maximum clause length3
Minimum clause length1
Number of clauses of size 113085
Number of clauses of size 2138146
Number of clauses of size 3134927
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

2.20/2.25	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node19/watcher-320709-1176323668 -o ROOT/results/node19/solver-320709-1176323668 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/320709-1176323668/picosat /tmp/evaluation/320709-1176323668/instance-320709-1176323668.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): 2400 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: 0.98 0.99 0.99 3/77 12955
/proc/meminfo: memFree=1850832/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=1084 CPUtime=0
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 181 0 0 0 0 0 0 0 18 0 1 0 80284274 1110016 166 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 271 166 40 102 0 166 0

[startup+0.0329881 s]
/proc/loadavg: 0.98 0.99 0.99 3/77 12955
/proc/meminfo: memFree=1850832/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=4624 CPUtime=0.02
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 644 0 0 0 1 1 0 0 18 0 1 0 80284274 4734976 629 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134609465 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 1156 629 40 102 0 1051 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4624

[startup+0.101994 s]
/proc/loadavg: 0.98 0.99 0.99 3/77 12955
/proc/meminfo: memFree=1850832/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=8984 CPUtime=0.09
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 1860 0 0 0 5 4 0 0 18 0 1 0 80284274 9199616 1845 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 2246 1845 40 102 0 2141 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8984

[startup+0.302016 s]
/proc/loadavg: 0.98 0.99 0.99 3/77 12955
/proc/meminfo: memFree=1850832/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=9644 CPUtime=0.29
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 2026 0 0 0 15 14 0 0 19 0 1 0 80284274 9875456 2011 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 2411 2011 40 102 0 2306 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9644

[startup+0.701059 s]
/proc/loadavg: 0.98 0.99 0.99 3/77 12955
/proc/meminfo: memFree=1850832/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=11092 CPUtime=0.69
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 2367 0 0 0 30 39 0 0 23 0 1 0 80284274 11358208 2352 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 2773 2352 40 102 0 2668 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11092

[startup+1.50115 s]
/proc/loadavg: 0.98 0.99 0.99 2/78 12956
/proc/meminfo: memFree=1840456/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=13856 CPUtime=1.49
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 3060 0 0 0 65 84 0 0 25 0 1 0 80284274 14188544 3046 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134583827 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 3464 3046 40 102 0 3359 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13856

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

[startup+1.90119 s]
/proc/loadavg: 0.98 0.99 0.99 2/78 12956
/proc/meminfo: memFree=1840456/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=15044 CPUtime=1.89
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 3397 0 0 0 84 105 0 0 25 0 1 0 80284274 15405056 3382 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 3761 3382 40 102 0 3656 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 15044

[startup+2.10121 s]
/proc/loadavg: 0.98 0.99 0.99 2/78 12956
/proc/meminfo: memFree=1836552/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=16348 CPUtime=2.09
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 3579 0 0 0 93 116 0 0 25 0 1 0 80284274 16740352 3564 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 4087 3564 40 102 0 3982 0
Current children cumulated CPU time (s) 2.09
Current children cumulated vsize (KiB) 16348

[startup+2.20522 s]
/proc/loadavg: 0.98 0.99 0.99 2/78 12956
/proc/meminfo: memFree=1836552/2055920 swapFree=4192812/4192956
[pid=12955] ppid=12953 vsize=16612 CPUtime=2.2
/proc/12955/stat : 12955 (picosat) R 12953 12955 11600 0 -1 4194304 3670 0 0 0 99 121 0 0 25 0 1 0 80284274 17010688 3655 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/12955/statm: 4153 3655 40 102 0 4048 0
Current children cumulated CPU time (s) 2.2
Current children cumulated vsize (KiB) 16612

Child status: 20
Real time (s): 2.26025
CPU time (s): 2.25866
CPU user time (s): 1.03584
CPU system time (s): 1.22281
CPU usage (%): 99.9296
Max. virtual memory (cumulated for all children) (KiB): 16612

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.03584
system time used= 1.22281
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3801
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= 50

runsolver used 0.006998 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node19 on Wed Apr 11 20:34:29 UTC 2007

IDJOB= 320709
IDBENCH= 20510
IDSOLVER= 106
FILE ID= node19/320709-1176323668

PBS_JOBID= 4516489

Free space on /tmp= 66544 MiB

SOLVER NAME= picosat 535
BENCH NAME= HOME/pub/bench/SAT07/industrial/babic/xinetd/xinetd_vc56687.cnf
COMMAND LINE= /tmp/evaluation/320709-1176323668/picosat /tmp/evaluation/320709-1176323668/instance-320709-1176323668.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node19/watcher-320709-1176323668 -o ROOT/results/node19/solver-320709-1176323668 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/320709-1176323668/picosat /tmp/evaluation/320709-1176323668/instance-320709-1176323668.cnf            

META MD5SUM SOLVER= 1cb12d44dc66ecc4d20a168f5cfd1323
MD5SUM BENCH=  8ee40e47d0f78a39fcf5c18ad73a5bdd

RANDOM SEED= 544340961

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node19.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		: 3000.213
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		: 3000.213
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:       1851304 kB
Buffers:         15400 kB
Cached:          79528 kB
SwapCached:          0 kB
Active:          27720 kB
Inactive:       121088 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1851304 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            5508 kB
Writeback:           0 kB
Mapped:          72844 kB
Slab:            41348 kB
Committed_AS:  2669164 kB
PageTables:       1784 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= 66544 MiB

End job on node19 on Wed Apr 11 20:34:31 UTC 2007