Trace number 1581770

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
SAT07 reference solver: picosat 535UNSAT 102.674 102.739

General information on the benchmark

NameAPPLICATIONS/diagnosis/
UTI-10-10p0.cnf
MD5SUM76f64a29755badc2dae8f70e8e96bc3e
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark33.4389
Satisfiable
(Un)Satisfiability was proved
Number of variables130859
Number of clauses627223
Sum of the clauses size1471348
Maximum clause length10
Minimum clause length1
Number of clauses of size 16856
Number of clauses of size 2498729
Number of clauses of size 387598
Number of clauses of size 43780
Number of clauses of size 515120
Number of clauses of size over 515140

Solver Data 

102.62/102.73	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1581770-1238932684/watcher-1581770-1238932684 -o /tmp/evaluation-result-1581770-1238932684/solver-1581770-1238932684 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/picosat HOME/instance-1581770-1238932684.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): 1800 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: 0.92 0.98 0.99 3/64 24896
/proc/meminfo: memFree=1426936/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=1536 CPUtime=0
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 240 0 0 0 0 0 0 0 18 0 1 0 1165933884 1572864 226 1992294400 134512640 134931368 4294956224 18446744073709551615 134586892 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 384 226 40 102 0 279 0

[startup+0.038668 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 24896
/proc/meminfo: memFree=1426936/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=8588 CPUtime=0.02
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 1230 0 0 0 2 0 0 0 18 0 1 0 1165933884 8794112 1216 1992294400 134512640 134931368 4294956224 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 2147 1216 40 102 0 2042 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 8588

[startup+0.101673 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 24896
/proc/meminfo: memFree=1426936/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=8588 CPUtime=0.09
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 1837 0 0 0 6 3 0 0 18 0 1 0 1165933884 8794112 1823 1992294400 134512640 134931368 4294956224 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 2147 1823 40 102 0 2042 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8588

[startup+0.301693 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 24896
/proc/meminfo: memFree=1426936/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=9116 CPUtime=0.29
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 1954 0 0 0 14 15 0 0 19 0 1 0 1165933884 9334784 1940 1992294400 134512640 134931368 4294956224 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 2279 1940 40 102 0 2174 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9116

[startup+0.701733 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 24896
/proc/meminfo: memFree=1426936/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=10436 CPUtime=0.69
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 2270 0 0 0 33 36 0 0 23 0 1 0 1165933884 10686464 2256 1992294400 134512640 134931368 4294956224 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 2609 2256 40 102 0 2504 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10436

[startup+1.50181 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 24897
/proc/meminfo: memFree=1416944/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=12152 CPUtime=1.49
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 2725 0 0 0 70 79 0 0 25 0 1 0 1165933884 12443648 2711 1992294400 134512640 134931368 4294956224 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 3038 2711 40 102 0 2933 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12152

[startup+3.10198 s]
/proc/loadavg: 1.01 1.00 1.00 2/65 24897
/proc/meminfo: memFree=1414576/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=16004 CPUtime=3.09
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 3682 0 0 0 143 166 0 0 25 0 1 0 1165933884 16388096 3668 1992294400 134512640 134931368 4294956224 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 4001 3668 40 102 0 3896 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16004

[startup+6.3013 s]
/proc/loadavg: 1.01 1.00 1.00 2/65 24897
/proc/meminfo: memFree=1406064/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=22768 CPUtime=6.28
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 5238 0 0 0 381 247 0 0 25 0 1 0 1165933884 23314432 5197 1992294400 134512640 134931368 4294956224 18446744073709551615 134530022 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 5692 5197 48 102 0 5587 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 22768

[startup+12.702 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24897
/proc/meminfo: memFree=1404784/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=24328 CPUtime=12.68
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 5630 0 0 0 1020 248 0 0 25 0 1 0 1165933884 24911872 5589 1992294400 134512640 134931368 4294956224 18446744073709551615 134525669 0 0 4096 0 0 0 0 17 1 0 0
/proc/24896/statm: 6082 5589 48 102 0 5977 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 24328

[startup+25.5012 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24897
/proc/meminfo: memFree=1399728/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=29360 CPUtime=25.47
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 6912 0 0 0 2298 249 0 0 25 0 1 0 1165933884 30064640 6871 1992294400 134512640 134931368 4294956224 18446744073709551615 134529886 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 7340 6871 48 102 0 7235 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 29360

[startup+51.1018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24897
/proc/meminfo: memFree=1387440/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=41572 CPUtime=51.05
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 9953 0 0 0 4853 252 0 0 25 0 1 0 1165933884 42569728 9912 1992294400 134512640 134931368 4294956224 18446744073709551615 134529882 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 10393 9912 48 102 0 10288 0
Current children cumulated CPU time (s) 51.05
Current children cumulated vsize (KiB) 41572

[startup+102.305 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24897
/proc/meminfo: memFree=1373552/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=55284 CPUtime=102.24
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 13390 0 0 0 9969 255 0 0 25 0 1 0 1165933884 56610816 13349 1992294400 134512640 134931368 4294956224 18446744073709551615 134522823 0 0 4096 0 0 0 0 17 0 0 0
/proc/24896/statm: 13821 13349 48 102 0 13716 0
Current children cumulated CPU time (s) 102.24
Current children cumulated vsize (KiB) 55284

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

[startup+102.701 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 24897
/proc/meminfo: memFree=1373552/2055920 swapFree=4176444/4192956
[pid=24896] ppid=24894 vsize=48148 CPUtime=102.62
/proc/24896/stat : 24896 (picosat) R 24894 24896 24553 0 -1 4194304 13391 0 0 0 10007 255 0 0 25 0 1 0 1165933884 49303552 9989 1992294400 134512640 134931368 4294956224 18446744073709551615 134749290 0 0 4096 0 0 0 0 17 1 0 0
/proc/24896/statm: 12037 9989 48 102 0 11932 0
Current children cumulated CPU time (s) 102.62
Current children cumulated vsize (KiB) 48148

Child status: 20
Real time (s): 102.739
CPU time (s): 102.674
CPU user time (s): 100.11
CPU system time (s): 2.56461
CPU usage (%): 99.9375
Max. virtual memory (cumulated for all children) (KiB): 55284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 100.11
system time used= 2.56461
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 13392
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= 2
involuntary context switches= 420

runsolver used 0.12998 second user time and 0.250961 second system time

The end

Launcher Data 

Begin job on node27 at 2009-04-05 13:58:05
IDJOB=1581770
IDBENCH=71042
IDSOLVER=563
FILE ID=node27/1581770-1238932684
PBS_JOBID= 9101451
Free space on /tmp= 66396 MiB

SOLVER NAME= SAT07 reference solver: picosat 535
BENCH NAME= SAT09/APPLICATIONS/diagnosis/UTI-10-10p0.cnf
COMMAND LINE= HOME/picosat BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1581770-1238932684/watcher-1581770-1238932684 -o /tmp/evaluation-result-1581770-1238932684/solver-1581770-1238932684 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/picosat HOME/instance-1581770-1238932684.cnf            

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 76f64a29755badc2dae8f70e8e96bc3e
RANDOM SEED=1919288649

node27.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 2800.196
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	: 5521.40
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		: 2800.196
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:       1427416 kB
Buffers:         66368 kB
Cached:         475456 kB
SwapCached:       9588 kB
Active:         223928 kB
Inactive:       329220 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1427416 kB
SwapTotal:     4192956 kB
SwapFree:      4176444 kB
Dirty:           11444 kB
Writeback:           0 kB
Mapped:          16908 kB
Slab:            61252 kB
Committed_AS:  3347508 kB
PageTables:       1404 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66396 MiB
End job on node27 at 2009-04-05 13:59:48