Trace number 1806691

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
kw_pre 2009-03-21SAT 4.38433 4.42169

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_3_6_all.cnf
MD5SUM3264a66e18d5550049c950d1156ee464
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark4.38433
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses30387
Sum of the clauses size75224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 221205
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data 

4.29/4.37	This is MiniSat 2.0 beta
4.29/4.37	WARNING: for repeatability, setting FPU to use double precision
4.29/4.38	============================[ Problem Statistics ]=============================
4.29/4.38	|                                                                             |
4.29/4.38	|  Number of variables:  1473                                                 |
4.29/4.38	|  Number of clauses:    1473                                                 |
4.29/4.38	|  Parsing time:         0.00         s                                       |
4.29/4.38	============================[ Search Statistics ]==============================
4.29/4.38	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
4.29/4.38	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
4.29/4.38	===============================================================================
4.29/4.38	|         0 |       0        0        0 |        0        0    nan |  0.000 % |
4.29/4.38	===============================================================================
4.29/4.38	restarts              : 1
4.29/4.38	conflicts             : 0              (nan /sec)
4.29/4.38	decisions             : 1              (0.00 % random) (inf /sec)
4.29/4.38	propagations          : 1473           (inf /sec)
4.29/4.38	conflict literals     : 0              ( nan % deleted)
4.29/4.38	Memory used           : 2.01 MB
4.29/4.38	CPU time              : 0 s
4.29/4.38	
4.29/4.38	SATISFIABLE
4.29/4.38	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1806691-1242151673/watcher-1806691-1242151673 -o /tmp/evaluation-result-1806691-1242151673/solver-1806691-1242151673 -C 1200 -W 1800 -M 1800 HOME/kw_pre HOME/instance-1806691-1242151673.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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 25512
/proc/meminfo: memFree=1381352/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=3664 CPUtime=0
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 510 0 0 0 0 0 0 0 19 0 1 0 243196778 3751936 486 1992294400 4194304 6416590 548682068912 18446744073709551615 5489867 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 916 486 215 542 0 365 0

[startup+0.0401969 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 25512
/proc/meminfo: memFree=1381352/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=4456 CPUtime=0.03
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 695 0 0 0 3 0 0 0 19 0 1 0 243196778 4562944 671 1992294400 4194304 6416590 548682068912 18446744073709551615 5489806 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 1114 671 215 542 0 563 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 9812

[startup+0.101207 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 25512
/proc/meminfo: memFree=1381352/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=5444 CPUtime=0.09
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 996 0 0 0 9 0 0 0 19 0 1 0 243196778 5574656 972 1992294400 4194304 6416590 548682068912 18446744073709551615 5489867 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 1361 972 216 542 0 810 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10800

[startup+0.301242 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 25512
/proc/meminfo: memFree=1381352/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=7320 CPUtime=0.29
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 1504 0 0 0 29 0 0 0 21 0 1 0 243196778 7495680 1440 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 1830 1440 250 542 0 1279 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12676

[startup+0.701313 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 25512
/proc/meminfo: memFree=1381352/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=8768 CPUtime=0.68
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 1847 0 0 0 68 0 0 0 25 0 1 0 243196778 8978432 1783 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 2192 1783 250 542 0 1641 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 14124

[startup+1.50146 s]
/proc/loadavg: 0.99 0.98 0.99 3/67 25514
/proc/meminfo: memFree=1373336/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=12360 CPUtime=1.49
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 2754 0 0 0 147 2 0 0 25 0 1 0 243196778 12656640 2690 1992294400 4194304 6416590 548682068912 18446744073709551615 5489867 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 3090 2690 250 542 0 2539 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17716

[startup+3.10174 s]
/proc/loadavg: 0.99 0.98 0.99 2/67 25514
/proc/meminfo: memFree=1368600/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=15952 CPUtime=3.08
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 3650 0 0 0 306 2 0 0 25 0 1 0 243196778 16334848 3547 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 3988 3547 251 542 0 3437 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 21308

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

[startup+3.90188 s]
/proc/loadavg: 0.99 0.98 0.99 2/67 25514
/proc/meminfo: memFree=1367320/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=16348 CPUtime=3.89
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 3752 0 0 0 386 3 0 0 25 0 1 0 243196778 16740352 3649 1992294400 4194304 6416590 548682068912 18446744073709551615 4293514 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 4087 3649 254 542 0 3536 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 21704

[startup+4.30195 s]
/proc/loadavg: 0.99 0.98 0.99 2/67 25514
/proc/meminfo: memFree=1366936/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5356 CPUtime=0
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 280 0 0 0 0 0 0 0 18 0 1 0 243196778 5484544 231 1992294400 4194304 4889804 548682068832 18446744073709551615 249069888324 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25512/statm: 1339 231 192 169 0 50 0
[pid=25513] ppid=25512 vsize=16612 CPUtime=4.29
/proc/25513/stat : 25513 (kw_preprocessor) R 25512 25512 25129 0 -1 0 3835 0 0 0 426 3 0 0 25 0 1 0 243196778 17010688 3732 1992294400 4194304 6416590 548682068912 18446744073709551615 5553607 0 0 4096 0 0 0 0 17 1 0 0
/proc/25513/statm: 4153 3732 254 542 0 3602 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 21968

[startup+4.40598 s]
/proc/loadavg: 0.99 0.98 0.99 2/67 25514
/proc/meminfo: memFree=1366936/2055920 swapFree=4191900/4192956
[pid=25512] ppid=25510 vsize=5360 CPUtime=4.37
/proc/25512/stat : 25512 (kw_pre) S 25510 25512 25129 0 -1 4194304 322 4043 0 0 0 0 433 4 19 0 1 0 243196778 5488640 237 1992294400 4194304 4889804 548682068832 18446744073709551615 249070059602 0 0 4100 65536 18446744071563648864 0 0 17 0 0 0
/proc/25512/statm: 1340 237 196 169 0 51 0
Current children cumulated CPU time (s) 4.37
Current children cumulated vsize (KiB) 5360

Child status: 0
Real time (s): 4.42169
CPU time (s): 4.38433
CPU user time (s): 4.33734
CPU system time (s): 0.046992
CPU usage (%): 99.1552
Max. virtual memory (cumulated for all children) (KiB): 21968

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.33734
system time used= 0.046992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4587
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= 31
involuntary context switches= 16

runsolver used 0.004999 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node89 at 2009-05-12 20:07:53
IDJOB=1806691
IDBENCH=70926
IDSOLVER=646
FILE ID=node89/1806691-1242151673
PBS_JOBID= 9289637
Free space on /tmp= 66412 MiB

SOLVER NAME= kw_pre 2009-03-21
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= HOME/kw_pre BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806691-1242151673/watcher-1806691-1242151673 -o /tmp/evaluation-result-1806691-1242151673/solver-1806691-1242151673 -C 1200 -W 1800 -M 1800  HOME/kw_pre HOME/instance-1806691-1242151673.cnf

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

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=1274340157

node89.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		: 3000.268
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		: 3000.268
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1381896 kB
Buffers:         49124 kB
Cached:         532016 kB
SwapCached:        260 kB
Active:          82340 kB
Inactive:       512528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1381896 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            3448 kB
Writeback:           0 kB
Mapped:          22216 kB
Slab:            65128 kB
Committed_AS:   764492 kB
PageTables:       1372 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= 66408 MiB
End job on node89 at 2009-05-12 20:07:57