Trace number 1715721

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
CircUs 2009-03-23UNSAT 51.9381 51.9641

General information on the benchmark

Nameindustrial/anbulagan/
medium-unsat/total-5-13-u.cnf
MD5SUM127968d7d14f3ab7655995f561e62ed8
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark37.5733
Satisfiable
(Un)Satisfiability was proved
Number of variables178708
Number of clauses806681
Sum of the clauses size1842626
Maximum clause length10
Minimum clause length1
Number of clauses of size 115072
Number of clauses of size 2648853
Number of clauses of size 3108896
Number of clauses of size 43760
Number of clauses of size 515040
Number of clauses of size over 515060

Solver Data 

3.79/3.88	c CirCUs release 2.0 (compiled 25-Mar-09 at 4:46 PM)
3.79/3.88	c Eliminate time :        2.8 
51.87/51.96	c CNF read time  :       0.95 
51.87/51.96	c CNF solve time :      51.58 
51.87/51.96	c Memory usage :    87.2422 MB
51.87/51.96	c Restart : 35
51.87/51.96	c Decisions : random(380), heuristic(38586), history(0/0)
51.87/51.96	c Implications : 49555186
51.87/51.96	c Forced Restart : 0
51.87/51.96	c Polarity Change : 91
51.87/51.96	c Learned clasues  : 3615 out of 30829
51.87/51.96	c Learned literals : 84808 out of 737748
51.87/51.96	c Number of first UIP : 9687 out of 30829
51.87/51.96	c Number of simplify : 6
51.87/51.96	c Number of continuous distill : 285
51.87/51.96	c Average depth of OTS : 61
51.87/51.96	c Average depth of additional conflict : 64
51.87/51.96	c Saved conflict clasues : 153
51.87/51.96	c Saved conflict literals : 383
51.87/51.96	c Additional conflict clauses : 1922
51.87/51.96	c Additional conflict literals : 34388
51.87/51.96	c Additional conflict analysis : 6066
51.87/51.96	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-1715721-1240606370/watcher-1715721-1240606370 -o /tmp/evaluation-result-1715721-1240606370/solver-1715721-1240606370 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/CirCUs HOME/instance-1715721-1240606370.cnf -t 1200 

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: 1.81 1.64 0.90 2/64 17735
/proc/meminfo: memFree=1525504/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=5384 CPUtime=0
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 688 0 0 0 0 0 0 0 18 0 1 120000 88670708 5513216 673 1992294400 134512640 135224549 4294956208 18446744073709551615 134593835 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 1346 678 66 173 0 1171 0

[startup+0.072547 s]
/proc/loadavg: 1.81 1.64 0.90 2/64 17735
/proc/meminfo: memFree=1525504/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=22780 CPUtime=0.06
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 3695 0 0 0 5 1 0 0 18 0 1 120000 88670708 23326720 3648 1992294400 134512640 135224549 4294956208 18446744073709551615 134549159 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 5695 3649 70 173 0 5520 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 22780

[startup+0.101547 s]
/proc/loadavg: 1.81 1.64 0.90 2/64 17735
/proc/meminfo: memFree=1525504/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=25016 CPUtime=0.09
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 4308 0 0 0 7 2 0 0 18 0 1 120000 88670708 25616384 4195 1992294400 134512640 135224549 4294956208 18446744073709551615 134726486 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 6254 4196 70 173 0 6079 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 25016

[startup+0.30156 s]
/proc/loadavg: 1.81 1.64 0.90 2/64 17735
/proc/meminfo: memFree=1525504/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=37640 CPUtime=0.29
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 7961 0 0 0 26 3 0 0 19 0 1 120000 88670708 38543360 7462 1992294400 134512640 135224549 4294956208 18446744073709551615 134726486 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 9410 7462 70 173 0 9235 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 37640

[startup+0.701585 s]
/proc/loadavg: 1.81 1.64 0.90 2/64 17735
/proc/meminfo: memFree=1525504/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=58564 CPUtime=0.69
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 13733 0 0 0 63 6 0 0 23 0 1 120000 88670708 59969536 12721 1992294400 134512640 135224549 4294956208 18446744073709551615 134749214 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 14641 12721 70 173 0 14466 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 58564

[startup+1.50164 s]
/proc/loadavg: 1.81 1.64 0.90 2/65 17736
/proc/meminfo: memFree=1459640/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=74400 CPUtime=1.49
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 18339 0 0 0 139 10 0 0 25 0 1 120000 88670708 76185600 17326 1992294400 134512640 135224549 4294956208 18446744073709551615 134726486 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 18600 17326 77 173 0 18425 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 74400

[startup+3.10174 s]
/proc/loadavg: 1.82 1.64 0.90 2/65 17736
/proc/meminfo: memFree=1447800/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=82648 CPUtime=3.09
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 21203 0 0 0 297 12 0 0 25 0 1 120000 88670708 84631552 20190 1992294400 134512640 135224549 4294956208 18446744073709551615 134570382 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 20662 20190 77 173 0 20487 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 82648

[startup+6.30195 s]
/proc/loadavg: 1.82 1.64 0.90 2/65 17736
/proc/meminfo: memFree=1440056/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=88596 CPUtime=6.29
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 23353 0 0 0 617 12 0 0 25 0 1 120000 88670708 90722304 21347 1992294400 134512640 135224549 4294956208 18446744073709551615 134585011 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 22149 21347 92 173 0 21974 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 88596

[startup+12.7024 s]
/proc/loadavg: 1.70 1.62 0.91 2/65 17736
/proc/meminfo: memFree=1440192/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=88596 CPUtime=12.68
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 23353 0 0 0 1256 12 0 0 25 0 1 120000 88670708 90722304 21347 1992294400 134512640 135224549 4294956208 18446744073709551615 134595336 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 22149 21347 92 173 0 21974 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 88596

[startup+25.5012 s]
/proc/loadavg: 1.59 1.60 0.91 2/65 17736
/proc/meminfo: memFree=1440192/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=88756 CPUtime=25.49
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 23377 0 0 0 2536 13 0 0 25 0 1 120000 88670708 90886144 21371 1992294400 134512640 135224549 4294956208 18446744073709551615 134595219 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 22189 21371 92 173 0 22014 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 88756

[startup+51.1018 s]
/proc/loadavg: 1.39 1.55 0.91 2/65 17736
/proc/meminfo: memFree=1439808/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=89332 CPUtime=51.07
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 23489 0 0 0 5094 13 0 0 25 0 1 120000 88670708 91475968 21483 1992294400 134512640 135224549 4294956208 18446744073709551615 134595336 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 22333 21483 92 173 0 22158 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 89332

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

[startup+51.5019 s]
/proc/loadavg: 1.39 1.55 0.91 2/65 17736
/proc/meminfo: memFree=1439808/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=89332 CPUtime=51.47
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 23490 0 0 0 5134 13 0 0 25 0 1 120000 88670708 91475968 21484 1992294400 134512640 135224549 4294956208 18446744073709551615 134595219 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 22333 21484 92 173 0 22158 0
Current children cumulated CPU time (s) 51.47
Current children cumulated vsize (KiB) 89332

[startup+51.9019 s]
/proc/loadavg: 1.36 1.54 0.91 2/65 17736
/proc/meminfo: memFree=1439808/2055920 swapFree=4130412/4192956
[pid=17735] ppid=17733 vsize=75528 CPUtime=51.87
/proc/17735/stat : 17735 (CirCUs) R 17733 17735 17669 0 -1 4194304 23494 0 0 0 5174 13 0 0 25 0 1 120000 88670708 77340672 18665 1992294400 134512640 135224549 4294956208 18446744073709551615 134722794 0 0 4096 8192 0 0 0 17 1 0 0
/proc/17735/statm: 18882 18665 95 173 0 18707 0
Current children cumulated CPU time (s) 51.87
Current children cumulated vsize (KiB) 75528

Child status: 0
Real time (s): 51.9641
CPU time (s): 51.9381
CPU user time (s): 51.7911
CPU system time (s): 0.146977
CPU usage (%): 99.95
Max. virtual memory (cumulated for all children) (KiB): 89332

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 51.7911
system time used= 0.146977
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23495
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= 106

runsolver used 0.056991 second user time and 0.105983 second system time

The end

Launcher Data 

Begin job on node22 at 2009-04-24 22:52:52
IDJOB=1715721
IDBENCH=20347
IDSOLVER=544
FILE ID=node22/1715721-1240606370
PBS_JOBID= 9186292
Free space on /tmp= 66300 MiB

SOLVER NAME= CircUs 2009-03-23
BENCH NAME= SAT07/industrial/anbulagan/medium-unsat/total-5-13-u.cnf
COMMAND LINE= HOME/CirCUs BENCHNAME -t TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1715721-1240606370/watcher-1715721-1240606370 -o /tmp/evaluation-result-1715721-1240606370/solver-1715721-1240606370 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/CirCUs HOME/instance-1715721-1240606370.cnf -t 1200

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

MD5SUM BENCH= 127968d7d14f3ab7655995f561e62ed8
RANDOM SEED=528423302

node22.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		: 3000.232
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		: 3000.232
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:       1525984 kB
Buffers:         65188 kB
Cached:         357908 kB
SwapCached:      57596 kB
Active:         216168 kB
Inactive:       266744 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1525984 kB
SwapTotal:     4192956 kB
SwapFree:      4130412 kB
Dirty:           15176 kB
Writeback:           0 kB
Mapped:          13444 kB
Slab:            33128 kB
Committed_AS:   372052 kB
PageTables:       1368 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= 66296 MiB
End job on node22 at 2009-04-24 22:53:44