Trace number 1773618

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 9.26159 9.26757

General information on the benchmark

NameAPPLICATIONS/bitverif/
minxorminand/minxorminand032.cnf
MD5SUM49dda3faa6676166ee2ccb89f6cd8ca0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark8.37073
Satisfiable
(Un)Satisfiability was proved
Number of variables10794
Number of clauses31997
Sum of the clauses size74657
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 221330
Number of clauses of size 310665
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.18/0.29	c CirCUs release 2.0 (compiled 25-Mar-09 at 4:46 PM)
0.18/0.29	c Eliminate time :       0.25 
9.19/9.26	c CNF read time  :       0.03 
9.19/9.26	c CNF solve time :       9.23 
9.19/9.26	c Memory usage :    11.6055 MB
9.19/9.26	c Restart : 118
9.19/9.26	c Decisions : random(3324), heuristic(242549), history(0/0)
9.19/9.26	c Implications : 7565584
9.19/9.26	c Forced Restart : 0
9.19/9.26	c Polarity Change : 277
9.19/9.26	c Learned clasues  : 9136 out of 68768
9.19/9.26	c Learned literals : 472138 out of 3366328
9.19/9.26	c Number of first UIP : 28154 out of 68768
9.19/9.26	c Number of simplify : 4
9.19/9.26	c Number of continuous distill : 727
9.19/9.26	c Average depth of OTS : 37
9.19/9.26	c Average depth of additional conflict : 43
9.19/9.26	c Saved conflict clasues : 475
9.19/9.26	c Saved conflict literals : 6774
9.19/9.26	c Additional conflict clauses : 1503
9.19/9.26	c Additional conflict literals : 67279
9.19/9.26	c Additional conflict analysis : 3447
9.19/9.26	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-1773618-1241317791/watcher-1773618-1241317791 -o /tmp/evaluation-result-1773618-1241317791/solver-1773618-1241317791 -C 10000 -W 12000 -M 1800 HOME/CirCUs HOME/instance-1773618-1241317791.cnf -t 10000 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.11 1.08 2/64 3890
/proc/meminfo: memFree=1448128/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=2000 CPUtime=0
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 201 0 0 0 0 0 0 0 20 0 1 1000000 159812384 2048000 186 1992294400 134512640 135224549 4294956224 18446744073709551615 134594320 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 500 191 66 173 0 325 0

[startup+0.00936608 s]
/proc/loadavg: 1.00 1.11 1.08 2/64 3890
/proc/meminfo: memFree=1448128/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=2412 CPUtime=0
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 326 0 0 0 0 0 0 0 20 0 1 1000000 159812384 2469888 311 1992294400 134512640 135224549 4294956224 18446744073709551615 134726407 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 603 312 70 173 0 428 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2412

[startup+0.101375 s]
/proc/loadavg: 1.00 1.11 1.08 2/64 3890
/proc/meminfo: memFree=1448128/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=6760 CPUtime=0.08
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 1499 0 0 0 8 0 0 0 20 0 1 1000000 159812384 6922240 1450 1992294400 134512640 135224549 4294956224 18446744073709551615 134726407 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 1690 1450 77 173 0 1515 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6760

[startup+0.301397 s]
/proc/loadavg: 1.00 1.11 1.08 2/64 3890
/proc/meminfo: memFree=1448128/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=9220 CPUtime=0.28
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2137 0 0 0 28 0 0 0 22 0 1 1000000 159812384 9441280 2023 1992294400 134512640 135224549 4294956224 18446744073709551615 134595398 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2305 2023 91 173 0 2130 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 9220

[startup+0.70144 s]
/proc/loadavg: 1.00 1.11 1.08 2/64 3890
/proc/meminfo: memFree=1448128/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=9880 CPUtime=0.68
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2318 0 0 0 68 0 0 0 25 0 1 1000000 159812384 10117120 2204 1992294400 134512640 135224549 4294956224 18446744073709551615 134595405 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2470 2204 93 173 0 2295 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 9880

[startup+1.50152 s]
/proc/loadavg: 1.00 1.11 1.08 2/65 3891
/proc/meminfo: memFree=1439544/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=10408 CPUtime=1.48
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2434 0 0 0 148 0 0 0 25 0 1 1000000 159812384 10657792 2320 1992294400 134512640 135224549 4294956224 18446744073709551615 134595183 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2602 2320 93 173 0 2427 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 10408

[startup+3.1017 s]
/proc/loadavg: 1.00 1.11 1.08 2/65 3891
/proc/meminfo: memFree=1438904/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=10672 CPUtime=3.09
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2528 0 0 0 308 1 0 0 25 0 1 1000000 159812384 10928128 2414 1992294400 134512640 135224549 4294956224 18446744073709551615 134595249 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2668 2414 93 173 0 2493 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10672

[startup+6.30104 s]
/proc/loadavg: 1.00 1.11 1.08 2/65 3891
/proc/meminfo: memFree=1437944/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=11616 CPUtime=6.29
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2753 0 0 0 628 1 0 0 25 0 1 1000000 159812384 11894784 2639 1992294400 134512640 135224549 4294956224 18446744073709551615 134595412 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2904 2639 93 173 0 2729 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11616

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

[startup+7.90121 s]
/proc/loadavg: 1.00 1.11 1.08 2/65 3891
/proc/meminfo: memFree=1437376/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=11880 CPUtime=7.89
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2825 0 0 0 788 1 0 0 25 0 1 1000000 159812384 12165120 2711 1992294400 134512640 135224549 4294956224 18446744073709551615 134630919 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2970 2711 93 173 0 2795 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 11880

[startup+8.7013 s]
/proc/loadavg: 1.00 1.11 1.08 2/65 3891
/proc/meminfo: memFree=1437376/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=11880 CPUtime=8.69
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2825 0 0 0 868 1 0 0 25 0 1 1000000 159812384 12165120 2711 1992294400 134512640 135224549 4294956224 18446744073709551615 134595278 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2970 2711 93 173 0 2795 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 11880

[startup+9.10134 s]
/proc/loadavg: 1.00 1.11 1.08 2/65 3891
/proc/meminfo: memFree=1437376/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=11880 CPUtime=9.09
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2825 0 0 0 908 1 0 0 25 0 1 1000000 159812384 12165120 2711 1992294400 134512640 135224549 4294956224 18446744073709551615 134595404 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2970 2711 93 173 0 2795 0
Current children cumulated CPU time (s) 9.09
Current children cumulated vsize (KiB) 11880

[startup+9.20135 s]
/proc/loadavg: 1.00 1.11 1.08 2/65 3891
/proc/meminfo: memFree=1437376/2055920 swapFree=4180872/4192956
[pid=3890] ppid=3888 vsize=11880 CPUtime=9.19
/proc/3890/stat : 3890 (CirCUs) R 3888 3890 602 0 -1 4194304 2825 0 0 0 918 1 0 0 25 0 1 1000000 159812384 12165120 2711 1992294400 134512640 135224549 4294956224 18446744073709551615 134595278 0 0 4096 8192 0 0 0 17 1 0 0
/proc/3890/statm: 2970 2711 93 173 0 2795 0
Current children cumulated CPU time (s) 9.19
Current children cumulated vsize (KiB) 11880

Child status: 0
Real time (s): 9.26757
CPU time (s): 9.26159
CPU user time (s): 9.24859
CPU system time (s): 0.012998
CPU usage (%): 99.9355
Max. virtual memory (cumulated for all children) (KiB): 11880

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.24859
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2829
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= 1
involuntary context switches= 26

runsolver used 0.009998 second user time and 0.024996 second system time

The end

Launcher Data 

Begin job on node19 at 2009-05-03 04:29:51
IDJOB=1773618
IDBENCH=70759
IDSOLVER=614
FILE ID=node19/1773618-1241317791
PBS_JOBID= 9225281
Free space on /tmp= 66500 MiB

SOLVER NAME= CircUs 2009-03-23
BENCH NAME= SAT09/APPLICATIONS/bitverif/minxorminand/minxorminand032.cnf
COMMAND LINE= HOME/CirCUs BENCHNAME -t TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1773618-1241317791/watcher-1773618-1241317791 -o /tmp/evaluation-result-1773618-1241317791/solver-1773618-1241317791 -C 10000 -W 12000 -M 1800  HOME/CirCUs HOME/instance-1773618-1241317791.cnf -t 10000

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 49dda3faa6676166ee2ccb89f6cd8ca0
RANDOM SEED=1053674273

node19.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		: 3000.236
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		: 3000.236
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:       1448608 kB
Buffers:         83704 kB
Cached:         425404 kB
SwapCached:       6808 kB
Active:         136448 kB
Inactive:       381460 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1448608 kB
SwapTotal:     4192956 kB
SwapFree:      4180872 kB
Dirty:            1512 kB
Writeback:           0 kB
Mapped:          13460 kB
Slab:            75376 kB
Committed_AS:   730212 kB
PageTables:       1452 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= 66496 MiB
End job on node19 at 2009-05-03 04:30:01