Trace number 312502

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 75.6745 75.6941

General information on the benchmark

Nameindustrial/anbulagan/
medium-unsat/total-5-11-u.cnf
MD5SUM770fa9cd880a43d98e936f33f4e86d7a
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark22.0936
Satisfiable
(Un)Satisfiability was proved
Number of variables156980
Number of clauses696581
Sum of the clauses size1582352
Maximum clause length10
Minimum clause length1
Number of clauses of size 113310
Number of clauses of size 2570471
Number of clauses of size 382900
Number of clauses of size 43320
Number of clauses of size 513280
Number of clauses of size over 513300

Solver Data (download as text)

75.57/75.69	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node60/watcher-312502-1176856222 -o ROOT/results/node60/solver-312502-1176856222 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/312502-1176856222/picosat /tmp/evaluation/312502-1176856222/instance-312502-1176856222.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 0.96 0.98 3/64 30329
/proc/meminfo: memFree=1792472/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=728 CPUtime=0
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 96 0 0 0 0 0 0 0 18 0 1 0 133532191 745472 81 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 182 81 40 102 0 77 0

[startup+0.037499 s]
/proc/loadavg: 0.91 0.96 0.98 3/64 30329
/proc/meminfo: memFree=1792472/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=1672 CPUtime=0.02
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 323 0 0 0 1 1 0 0 18 0 1 0 133532191 1712128 308 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 418 308 40 102 0 313 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1672

[startup+0.101505 s]
/proc/loadavg: 0.91 0.96 0.98 3/64 30329
/proc/meminfo: memFree=1792472/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=2796 CPUtime=0.09
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 459 0 0 0 3 6 0 0 18 0 1 0 133532191 2863104 435 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 699 435 40 102 0 594 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2796

[startup+0.301524 s]
/proc/loadavg: 0.91 0.96 0.98 3/64 30329
/proc/meminfo: memFree=1792472/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=3192 CPUtime=0.29
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 582 0 0 0 12 17 0 0 19 0 1 0 133532191 3268608 558 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 798 558 40 102 0 693 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3192

[startup+0.701564 s]
/proc/loadavg: 0.91 0.96 0.98 3/64 30329
/proc/meminfo: memFree=1792472/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=10532 CPUtime=0.69
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 2100 0 0 0 31 38 0 0 22 0 1 0 133532191 10784768 2076 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 2633 2076 40 102 0 2528 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10532

[startup+1.50264 s]
/proc/loadavg: 0.91 0.96 0.98 2/65 30330
/proc/meminfo: memFree=1780816/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=20052 CPUtime=1.49
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 3161 0 0 0 68 81 0 0 25 0 1 0 133532191 20533248 3137 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 5013 3137 40 102 0 4908 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 20052

[startup+3.1018 s]
/proc/loadavg: 0.91 0.96 0.98 2/65 30330
/proc/meminfo: memFree=1778448/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=24272 CPUtime=3.09
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 4174 0 0 0 138 171 0 0 25 0 1 0 133532191 24854528 4150 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 6068 4150 40 102 0 5963 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 24272

[startup+6.30111 s]
/proc/loadavg: 0.92 0.96 0.98 2/65 30330
/proc/meminfo: memFree=1769616/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33092 CPUtime=6.29
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5787 0 0 0 351 278 0 0 25 0 1 0 133532191 33886208 5736 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525606 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8273 5736 48 102 0 8168 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 33092

[startup+12.7017 s]
/proc/loadavg: 0.93 0.96 0.98 2/65 30330
/proc/meminfo: memFree=1769552/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33092 CPUtime=12.69
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5796 0 0 0 991 278 0 0 25 0 1 0 133532191 33886208 5745 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525606 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8273 5745 48 102 0 8168 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 33092

[startup+25.502 s]
/proc/loadavg: 0.94 0.96 0.98 2/65 30330
/proc/meminfo: memFree=1769616/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33092 CPUtime=25.48
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5796 0 0 0 2270 278 0 0 25 0 1 0 133532191 33886208 5745 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525791 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8273 5745 48 102 0 8168 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 33092

[startup+51.1015 s]
/proc/loadavg: 0.96 0.96 0.98 2/65 30330
/proc/meminfo: memFree=1769616/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33092 CPUtime=51.08
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5796 0 0 0 4830 278 0 0 25 0 1 0 133532191 33886208 5745 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134522836 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8273 5745 48 102 0 8168 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 33092

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

[startup+63.9018 s]
/proc/loadavg: 0.97 0.97 0.98 2/65 30330
/proc/meminfo: memFree=1769424/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33224 CPUtime=63.87
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5849 0 0 0 6109 278 0 0 25 0 1 0 133532191 34021376 5798 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134524112 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8306 5798 48 102 0 8201 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 33224

[startup+70.3024 s]
/proc/loadavg: 0.97 0.97 0.98 2/65 30330
/proc/meminfo: memFree=1769168/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33488 CPUtime=70.27
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5908 0 0 0 6749 278 0 0 25 0 1 0 133532191 34291712 5857 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8372 5857 48 102 0 8267 0
Current children cumulated CPU time (s) 70.27
Current children cumulated vsize (KiB) 33488

[startup+73.5017 s]
/proc/loadavg: 0.97 0.97 0.98 2/65 30330
/proc/meminfo: memFree=1769104/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33620 CPUtime=73.47
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5932 0 0 0 7069 278 0 0 25 0 1 0 133532191 34426880 5881 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8405 5881 48 102 0 8300 0
Current children cumulated CPU time (s) 73.47
Current children cumulated vsize (KiB) 33620

[startup+74.3018 s]
/proc/loadavg: 0.97 0.97 0.98 2/65 30330
/proc/meminfo: memFree=1769040/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33620 CPUtime=74.27
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5941 0 0 0 7149 278 0 0 25 0 1 0 133532191 34426880 5890 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134530848 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8405 5890 48 102 0 8300 0
Current children cumulated CPU time (s) 74.27
Current children cumulated vsize (KiB) 33620

[startup+75.1019 s]
/proc/loadavg: 0.97 0.97 0.98 2/65 30330
/proc/meminfo: memFree=1769040/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33620 CPUtime=75.07
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5946 0 0 0 7229 278 0 0 25 0 1 0 133532191 34426880 5895 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525621 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8405 5895 48 102 0 8300 0
Current children cumulated CPU time (s) 75.07
Current children cumulated vsize (KiB) 33620

[startup+75.5019 s]
/proc/loadavg: 0.97 0.97 0.98 2/65 30330
/proc/meminfo: memFree=1769040/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33620 CPUtime=75.47
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5968 0 0 0 7269 278 0 0 25 0 1 0 133532191 34426880 5917 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525807 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8405 5917 48 102 0 8300 0
Current children cumulated CPU time (s) 75.47
Current children cumulated vsize (KiB) 33620

[startup+75.6019 s]
/proc/loadavg: 0.97 0.97 0.98 2/65 30330
/proc/meminfo: memFree=1769040/2055920 swapFree=4179544/4192956
[pid=30329] ppid=30327 vsize=33620 CPUtime=75.57
/proc/30329/stat : 30329 (picosat) R 30327 30329 29589 0 -1 4194304 5968 0 0 0 7279 278 0 0 25 0 1 0 133532191 34426880 5917 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525621 0 0 4096 0 0 0 0 17 1 0 0
/proc/30329/statm: 8405 5917 48 102 0 8300 0
Current children cumulated CPU time (s) 75.57
Current children cumulated vsize (KiB) 33620

Child status: 20
Real time (s): 75.6941
CPU time (s): 75.6745
CPU user time (s): 72.8809
CPU system time (s): 2.79357
CPU usage (%): 99.9741
Max. virtual memory (cumulated for all children) (KiB): 33620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 72.8809
system time used= 2.79357
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5980
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= 7
involuntary context switches= 95

runsolver used 0.044993 second user time and 0.172973 second system time

The end

Launcher Data (download as text)

Begin job on node60 on Wed Apr 18 00:30:22 UTC 2007

IDJOB= 312502
IDBENCH= 20343
IDSOLVER= 106
FILE ID= node60/312502-1176856222

PBS_JOBID= 4590221

Free space on /tmp= 66484 MiB

SOLVER NAME= picosat 535
BENCH NAME= HOME/pub/bench/SAT07/industrial/anbulagan/medium-unsat/total-5-11-u.cnf
COMMAND LINE= /tmp/evaluation/312502-1176856222/picosat /tmp/evaluation/312502-1176856222/instance-312502-1176856222.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node60/watcher-312502-1176856222 -o ROOT/results/node60/solver-312502-1176856222 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/312502-1176856222/picosat /tmp/evaluation/312502-1176856222/instance-312502-1176856222.cnf            

META MD5SUM SOLVER= 1cb12d44dc66ecc4d20a168f5cfd1323
MD5SUM BENCH=  770fa9cd880a43d98e936f33f4e86d7a

RANDOM SEED= 201405813

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node60.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		: 3000.214
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		: 3000.214
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:       1792944 kB
Buffers:         22216 kB
Cached:         189796 kB
SwapCached:       7764 kB
Active:         116836 kB
Inactive:       115164 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1792944 kB
SwapTotal:     4192956 kB
SwapFree:      4179544 kB
Dirty:           12476 kB
Writeback:           0 kB
Mapped:          21672 kB
Slab:            17004 kB
Committed_AS:  1504028 kB
PageTables:       1484 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= 66484 MiB

End job on node60 on Wed Apr 18 00:31:38 UTC 2007