Trace number 321073

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
SAT7 2007-02-08UNSAT 1.56776 1.57019

General information on the benchmark

Nameindustrial/babic/
xinetd/itox_vc979.cnf
MD5SUM0ebda2525041210e494c68044b8ad9a6
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.262959
Satisfiable
(Un)Satisfiability was proved
Number of variables115679
Number of clauses338708
Sum of the clauses size883655
Maximum clause length3
Minimum clause length1
Number of clauses of size 17057
Number of clauses of size 2118355
Number of clauses of size 3213296
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

1.39/1.47	c Starting solver ...
1.39/1.49	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/node55/watcher-321073-1176326434 -o ROOT/results/node55/solver-321073-1176326434 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/321073-1176326434/sat7_bin /tmp/evaluation/321073-1176326434/instance-321073-1176326434.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: 1.44 1.13 1.04 3/64 13952
/proc/meminfo: memFree=1820236/2055920 swapFree=4191892/4192956
[pid=13952] ppid=13950 vsize=4820 CPUtime=0
/proc/13952/stat : 13952 (sat7_bin) R 13950 13952 11611 0 -1 4194304 566 0 0 0 0 0 0 0 18 0 1 0 80553444 4935680 549 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134534339 0 0 4096 0 0 0 0 17 1 0 0
/proc/13952/statm: 1205 552 88 220 0 982 0

[startup+0.093663 s]
/proc/loadavg: 1.44 1.13 1.04 3/64 13952
/proc/meminfo: memFree=1820236/2055920 swapFree=4191892/4192956
[pid=13952] ppid=13950 vsize=15052 CPUtime=0.08
/proc/13952/stat : 13952 (sat7_bin) R 13950 13952 11611 0 -1 4194304 3407 0 0 0 7 1 0 0 18 0 1 0 80553444 15413248 3390 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134531803 0 0 4096 0 0 0 0 17 1 0 0
/proc/13952/statm: 3763 3390 88 220 0 3540 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 15052

[startup+0.101662 s]
/proc/loadavg: 1.44 1.13 1.04 3/64 13952
/proc/meminfo: memFree=1820236/2055920 swapFree=4191892/4192956
[pid=13952] ppid=13950 vsize=15184 CPUtime=0.09
/proc/13952/stat : 13952 (sat7_bin) R 13950 13952 11611 0 -1 4194304 3414 0 0 0 8 1 0 0 18 0 1 0 80553444 15548416 3397 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134611389 0 0 4096 0 0 0 0 17 1 0 0
/proc/13952/statm: 3796 3397 88 220 0 3573 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 15184

[startup+0.30168 s]
/proc/loadavg: 1.44 1.13 1.04 3/64 13952
/proc/meminfo: memFree=1820236/2055920 swapFree=4191892/4192956
[pid=13952] ppid=13950 vsize=19284 CPUtime=0.29
/proc/13952/stat : 13952 (sat7_bin) R 13950 13952 11611 0 -1 4194304 4034 0 0 0 27 2 0 0 19 0 1 0 80553444 19746816 4017 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 135066477 0 0 4096 0 0 0 0 17 1 0 0
/proc/13952/statm: 4821 4017 88 220 0 4598 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 19284

[startup+0.701719 s]
/proc/loadavg: 1.44 1.13 1.04 3/64 13952
/proc/meminfo: memFree=1820236/2055920 swapFree=4191892/4192956
[pid=13952] ppid=13950 vsize=23384 CPUtime=0.69
/proc/13952/stat : 13952 (sat7_bin) R 13950 13952 11611 0 -1 4194304 5304 0 0 0 66 3 0 0 22 0 1 0 80553444 23945216 5287 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 135066477 0 0 4096 0 0 0 0 17 1 0 0
/proc/13952/statm: 5846 5287 88 220 0 5623 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23384

[startup+1.50179 s]
/proc/loadavg: 1.44 1.13 1.04 2/65 13953
/proc/meminfo: memFree=1795652/2055920 swapFree=4191892/4192956
[pid=13952] ppid=13950 vsize=36280 CPUtime=1.49
/proc/13952/stat : 13952 (sat7_bin) R 13950 13952 11611 0 -1 4194304 8827 0 0 0 144 5 0 0 25 0 1 0 80553444 37150720 8434 18446744073709551615 134512640 135417445 4294956592 18446744073709551615 134518308 0 0 4096 0 0 0 0 17 1 0 0
/proc/13952/statm: 9070 8434 93 220 0 8847 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 36280

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

Child status: 20
Real time (s): 1.57019
CPU time (s): 1.56776
CPU user time (s): 1.50877
CPU system time (s): 0.058991
CPU usage (%): 99.845
Max. virtual memory (cumulated for all children) (KiB): 36280

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.50877
system time used= 0.058991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8827
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= 3

runsolver used 0.002999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node55 on Wed Apr 11 21:20:34 UTC 2007

IDJOB= 321073
IDBENCH= 20519
IDSOLVER= 101
FILE ID= node55/321073-1176326434

PBS_JOBID= 4516693

Free space on /tmp= 66557 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/babic/xinetd/itox_vc979.cnf
COMMAND LINE= /tmp/evaluation/321073-1176326434/sat7_bin /tmp/evaluation/321073-1176326434/instance-321073-1176326434.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node55/watcher-321073-1176326434 -o ROOT/results/node55/solver-321073-1176326434 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/321073-1176326434/sat7_bin /tmp/evaluation/321073-1176326434/instance-321073-1176326434.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  0ebda2525041210e494c68044b8ad9a6

RANDOM SEED= 920422677

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node55.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		: 3000.216
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		: 3000.216
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:       1820644 kB
Buffers:          9068 kB
Cached:         114832 kB
SwapCached:        268 kB
Active:          53192 kB
Inactive:        94612 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1820644 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:            7568 kB
Writeback:           0 kB
Mapped:          32824 kB
Slab:            73484 kB
Committed_AS:   143924 kB
PageTables:       1412 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= 66557 MiB

End job on node55 on Wed Apr 11 21:20:36 UTC 2007