Trace number 318208

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 3.55846 3.56119

General information on the benchmark

Nameindustrial/babic/dspam/
dspam_dump_vc962.cnf
MD5SUM6ec38fc9ca82d07fdf92336aa2980d6e
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.971851
Satisfiable
(Un)Satisfiability was proved
Number of variables101078
Number of clauses322159
Sum of the clauses size856454
Maximum clause length3
Minimum clause length1
Number of clauses of size 12710
Number of clauses of size 2104603
Number of clauses of size 3214846
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

3.49/3.55	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/node25/watcher-318208-1176314989 -o ROOT/results/node25/solver-318208-1176314989 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/318208-1176314989/picosat /tmp/evaluation/318208-1176314989/instance-318208-1176314989.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: 0.91 0.58 0.24 3/64 15089
/proc/meminfo: memFree=193752/2055920 swapFree=4192812/4192956
[pid=15089] ppid=15087 vsize=888 CPUtime=0
/proc/15089/stat : 15089 (picosat) R 15087 15089 14968 0 -1 4194304 142 0 0 0 0 0 0 0 18 0 1 0 79416043 909312 127 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134526140 0 0 4096 0 0 0 0 17 1 0 0
/proc/15089/statm: 222 127 40 102 0 117 0

[startup+0.00973604 s]
/proc/loadavg: 0.91 0.58 0.24 3/64 15089
/proc/meminfo: memFree=193752/2055920 swapFree=4192812/4192956
[pid=15089] ppid=15087 vsize=1540 CPUtime=0
/proc/15089/stat : 15089 (picosat) R 15087 15089 14968 0 -1 4194304 307 0 0 0 0 0 0 0 18 0 1 0 79416043 1576960 292 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134526153 0 0 4096 0 0 0 0 17 1 0 0
/proc/15089/statm: 385 293 40 102 0 280 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 1540

[startup+0.101752 s]
/proc/loadavg: 0.91 0.58 0.24 3/64 15089
/proc/meminfo: memFree=193752/2055920 swapFree=4192812/4192956
[pid=15089] ppid=15087 vsize=8740 CPUtime=0.09
/proc/15089/stat : 15089 (picosat) R 15087 15089 14968 0 -1 4194304 1714 0 0 0 4 5 0 0 18 0 1 0 79416043 8949760 1671 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/15089/statm: 2185 1671 40 102 0 2080 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8740

[startup+0.301785 s]
/proc/loadavg: 0.91 0.58 0.24 3/64 15089
/proc/meminfo: memFree=193752/2055920 swapFree=4192812/4192956
[pid=15089] ppid=15087 vsize=9532 CPUtime=0.29
/proc/15089/stat : 15089 (picosat) R 15087 15089 14968 0 -1 4194304 1890 0 0 0 13 16 0 0 19 0 1 0 79416043 9760768 1847 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/15089/statm: 2383 1847 40 102 0 2278 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9532

[startup+0.701853 s]
/proc/loadavg: 0.91 0.58 0.24 3/64 15089
/proc/meminfo: memFree=193752/2055920 swapFree=4192812/4192956
[pid=15089] ppid=15087 vsize=10980 CPUtime=0.69
/proc/15089/stat : 15089 (picosat) R 15087 15089 14968 0 -1 4194304 2257 0 0 0 33 36 0 0 22 0 1 0 79416043 11243520 2214 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/15089/statm: 2745 2214 40 102 0 2640 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10980

[startup+1.50199 s]
/proc/loadavg: 0.91 0.58 0.24 2/65 15090
/proc/meminfo: memFree=183888/2055920 swapFree=4192812/4192956
[pid=15089] ppid=15087 vsize=13876 CPUtime=1.49
/proc/15089/stat : 15089 (picosat) R 15087 15089 14968 0 -1 4194304 2992 0 0 0 69 80 0 0 25 0 1 0 79416043 14209024 2949 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/15089/statm: 3469 2950 40 102 0 3364 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13876

[startup+3.10226 s]
/proc/loadavg: 0.91 0.58 0.24 2/65 15090
/proc/meminfo: memFree=179728/2055920 swapFree=4192812/4192956
[pid=15089] ppid=15087 vsize=20508 CPUtime=3.09
/proc/15089/stat : 15089 (picosat) R 15087 15089 14968 0 -1 4194304 4435 0 0 0 168 141 0 0 25 0 1 0 79416043 21000192 4319 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134544963 0 0 4096 0 0 0 0 17 1 0 0
/proc/15089/statm: 5127 4319 42 102 0 5022 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 20508

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

[startup+3.50133 s]
/proc/loadavg: 0.91 0.58 0.24 2/65 15090
/proc/meminfo: memFree=176080/2055920 swapFree=4192812/4192956
[pid=15089] ppid=15087 vsize=20508 CPUtime=3.49
/proc/15089/stat : 15089 (picosat) R 15087 15089 14968 0 -1 4194304 4437 0 0 0 208 141 0 0 25 0 1 0 79416043 21000192 4321 18446744073709551615 134512640 134931368 4294956592 18446744073709551615 134524122 0 0 4096 0 0 0 0 17 1 0 0
/proc/15089/statm: 5127 4321 42 102 0 5022 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 20508

Child status: 20
Real time (s): 3.56119
CPU time (s): 3.55846
CPU user time (s): 2.13967
CPU system time (s): 1.41878
CPU usage (%): 99.9232
Max. virtual memory (cumulated for all children) (KiB): 20508

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.13967
system time used= 1.41878
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4441
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= 10

runsolver used 0.005999 second user time and 0.013997 second system time

The end

Launcher Data (download as text)

Begin job on node25 on Wed Apr 11 18:09:50 UTC 2007

IDJOB= 318208
IDBENCH= 20449
IDSOLVER= 106
FILE ID= node25/318208-1176314989

PBS_JOBID= 4516702

Free space on /tmp= 66558 MiB

SOLVER NAME= picosat 535
BENCH NAME= HOME/pub/bench/SAT07/industrial/babic/dspam/dspam_dump_vc962.cnf
COMMAND LINE= /tmp/evaluation/318208-1176314989/picosat /tmp/evaluation/318208-1176314989/instance-318208-1176314989.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node25/watcher-318208-1176314989 -o ROOT/results/node25/solver-318208-1176314989 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/318208-1176314989/picosat /tmp/evaluation/318208-1176314989/instance-318208-1176314989.cnf            

META MD5SUM SOLVER= 1cb12d44dc66ecc4d20a168f5cfd1323
MD5SUM BENCH=  6ec38fc9ca82d07fdf92336aa2980d6e

RANDOM SEED= 196333124

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node25.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		: 3000.261
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		: 3000.261
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:        194160 kB
Buffers:         41824 kB
Cached:        1558216 kB
SwapCached:          0 kB
Active:         774904 kB
Inactive:       840512 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        194160 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            6468 kB
Writeback:           0 kB
Mapped:          25604 kB
Slab:           232364 kB
Committed_AS:   129744 kB
PageTables:       1472 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= 66558 MiB

End job on node25 on Wed Apr 11 18:09:53 UTC 2007