Trace number 1073085

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
MDG-probe 2008-06-27SAT 21.2068 21.3979

DiagnosticValue
ASSIGNMENTS94022
CHECKS13293500

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-03-04.xml
MD5SUM0b0ab2cae40e5a74bbe573d42fb3dcd8
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.80312
Satisfiable
(Un)Satisfiability was proved
Number of variables14930
Number of constraints87036
Maximum constraint arity19
Maximum domain size4
Number of constraints which are defined in extension0
Number of constraints which are defined in intension87036
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.02	c mistral-prime version 1.313
0.00/0.02	c 
0.00/0.02	c Parsing xml file
0.00/0.02	c          domains...............     0	(1 domains)
0.00/0.02	c          variables.............  0.11	(14930 variables)
0.08/0.11	c          predicates............  0.01	(141 predicates)
0.08/0.12	c          constraints...........  3.83	(87036 constraints)
3.85/3.98	c Parsing time:   3.95
3.85/3.98	c
3.85/3.98	c Building model
3.96/4.08	c         0 AllDifferent constraints infered
4.35/4.49	c         0 constants
4.35/4.49	c     14923 Boolean variables    (+0)
4.35/4.49	c         0 range variables      (+31513)
4.35/4.49	c         0 domain (b) variables (+1704)
4.35/4.49	c         0 domain (l) variables (+0)
4.35/4.49	c     70395 constraints          (+33217)
4.35/4.49	c         0 values 
4.35/4.49	c Building time:    0.5
4.35/4.49	c
4.35/4.49	c Solving instance
4.35/4.49	c          heuristic = dom/wdeg
4.35/4.49	c          Randomized probing iteration = 100
4.35/4.49	c          probing limit = 30
4.35/4.49	c          level based weights = no
4.35/4.50	c          impact probing = no
4.35/4.50	c          restart policy = No restart
4.35/4.50	c          probing ....... 16.17
20.60/20.81	c          Probing Nodes 94022
20.60/20.81	c Solving time:  16.17
20.60/20.81	c
20.60/20.81	s SATISFIABLE
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20.60/20.82	d CHECKS 13293486
20.60/20.82	d ASSIGNMENTS 94022

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073085-1215176509/watcher-1073085-1215176509 -o /tmp/evaluation-result-1073085-1215176509/solver-1073085-1215176509 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1073085-1215176509.xml -v 1 -rs 227782900 -probe 1 -ph 0 -heu dom/wdeg -res no 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2200 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 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: 2.08 2.24 2.17 4/81 6353
/proc/meminfo: memFree=1062464/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=18572 CPUtime=0
/proc/6353/stat : 6353 (runsolver) R 6351 6353 5281 0 -1 4194368 15 0 0 0 0 0 0 0 22 0 1 0 1996622341 19017728 292 996147200 4194304 4296836 548682068336 18446744073709551615 246406507815 0 0 4096 24578 0 0 0 17 1 0 0
/proc/6353/statm: 4643 292 257 25 0 2626 0

[startup+0.0902941 s]
/proc/loadavg: 2.08 2.24 2.17 4/81 6353
/proc/meminfo: memFree=1062464/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=7320 CPUtime=0.07
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 1106 0 0 0 7 0 0 0 22 0 1 0 1996622341 7495680 1072 996147200 134512640 135239859 4294956144 18446744073709551615 134618022 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 1830 1072 368 177 0 733 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 7320

[startup+0.101293 s]
/proc/loadavg: 2.08 2.24 2.17 4/81 6353
/proc/meminfo: memFree=1062464/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=7584 CPUtime=0.08
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 1190 0 0 0 8 0 0 0 22 0 1 0 1996622341 7766016 1156 996147200 134512640 135239859 4294956144 18446744073709551615 4159010199 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 1896 1156 368 177 0 799 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 7584

[startup+0.301335 s]
/proc/loadavg: 2.08 2.24 2.17 4/81 6353
/proc/meminfo: memFree=1062464/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=10584 CPUtime=0.28
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 1963 0 0 0 27 1 0 0 23 0 1 0 1996622341 10838016 1929 996147200 134512640 135239859 4294956144 18446744073709551615 4160505719 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 2646 1929 392 177 0 1549 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10584

[startup+0.701406 s]
/proc/loadavg: 2.08 2.24 2.17 4/81 6353
/proc/meminfo: memFree=1062464/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=15996 CPUtime=0.68
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 3343 0 0 0 66 2 0 0 25 0 1 0 1996622341 16379904 3243 996147200 134512640 135239859 4294956144 18446744073709551615 134524370 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 3999 3243 398 177 0 2902 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 15996

[startup+1.50154 s]
/proc/loadavg: 2.07 2.24 2.16 3/82 6354
/proc/meminfo: memFree=1047800/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=24624 CPUtime=1.47
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 5570 0 0 0 144 3 0 0 25 0 1 0 1996622341 25214976 5340 996147200 134512640 135239859 4294956144 18446744073709551615 134622755 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 6156 5340 398 177 0 5059 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 24624

[startup+3.10283 s]
/proc/loadavg: 2.07 2.24 2.16 3/82 6354
/proc/meminfo: memFree=1036216/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=41212 CPUtime=3.07
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 9910 0 0 0 301 6 0 0 25 0 1 0 1996622341 42201088 9389 996147200 134512640 135239859 4294956144 18446744073709551615 134683526 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 10303 9389 398 177 0 9206 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 41212

[startup+6.30139 s]
/proc/loadavg: 2.07 2.24 2.16 3/82 6354
/proc/meminfo: memFree=924664/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=144012 CPUtime=6.24
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 35800 0 0 0 606 18 0 0 25 0 1 0 1996622341 147468288 34788 996147200 134512640 135239859 4294956144 18446744073709551615 134820750 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 36003 34788 437 177 0 34906 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 144012

[startup+12.7015 s]
/proc/loadavg: 2.06 2.23 2.16 3/82 6354
/proc/meminfo: memFree=924600/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=144012 CPUtime=12.58
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 35800 0 0 0 1240 18 0 0 25 0 1 0 1996622341 147468288 34788 996147200 134512640 135239859 4294956144 18446744073709551615 134534432 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 36003 34788 437 177 0 34906 0
Current children cumulated CPU time (s) 12.58
Current children cumulated vsize (KiB) 144012

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

[startup+15.9011 s]
/proc/loadavg: 2.06 2.23 2.16 3/82 6354
/proc/meminfo: memFree=924664/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=144012 CPUtime=15.75
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 35818 0 0 0 1557 18 0 0 25 0 1 0 1996622341 147468288 34806 996147200 134512640 135239859 4294956144 18446744073709551615 135073916 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 36003 34806 437 177 0 34906 0
Current children cumulated CPU time (s) 15.75
Current children cumulated vsize (KiB) 144012

[startup+19.1016 s]
/proc/loadavg: 2.06 2.22 2.16 3/82 6354
/proc/meminfo: memFree=924664/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=144012 CPUtime=18.92
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 35818 0 0 0 1874 18 0 0 25 0 1 0 1996622341 147468288 34806 996147200 134512640 135239859 4294956144 18446744073709551615 135071157 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 36003 34806 437 177 0 34906 0
Current children cumulated CPU time (s) 18.92
Current children cumulated vsize (KiB) 144012

[startup+20.7019 s]
/proc/loadavg: 2.06 2.22 2.16 3/82 6354
/proc/meminfo: memFree=924664/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=144012 CPUtime=20.5
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 35818 0 0 0 2032 18 0 0 25 0 1 0 1996622341 147468288 34806 996147200 134512640 135239859 4294956144 18446744073709551615 134803546 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 36003 34806 437 177 0 34906 0
Current children cumulated CPU time (s) 20.5
Current children cumulated vsize (KiB) 144012

[startup+21.102 s]
/proc/loadavg: 2.05 2.22 2.16 3/82 6354
/proc/meminfo: memFree=924664/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=142620 CPUtime=20.9
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 35821 0 0 0 2072 18 0 0 25 0 1 0 1996622341 146042880 34562 996147200 134512640 135239859 4294956144 18446744073709551615 10813592 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 35655 34562 440 177 0 34558 0
Current children cumulated CPU time (s) 20.9
Current children cumulated vsize (KiB) 142620

[startup+21.302 s]
/proc/loadavg: 2.05 2.22 2.16 3/82 6354
/proc/meminfo: memFree=924664/2055920 swapFree=4180700/4192956
[pid=6353] ppid=6351 vsize=55864 CPUtime=21.1
/proc/6353/stat : 6353 (xsolve) R 6351 6353 5281 0 -1 4194304 35829 0 0 0 2090 20 0 0 25 0 1 0 1996622341 57204736 12987 996147200 134512640 135239859 4294956144 18446744073709551615 10813555 0 0 4096 0 0 0 0 17 1 0 0
/proc/6353/statm: 13966 12987 448 177 0 12869 0
Current children cumulated CPU time (s) 21.1
Current children cumulated vsize (KiB) 55864

Child status: 0
Real time (s): 21.3979
CPU time (s): 21.2068
CPU user time (s): 20.9958
CPU system time (s): 0.210967
CPU usage (%): 99.1066
Max. virtual memory (cumulated for all children) (KiB): 144012

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.9958
system time used= 0.210967
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 35831
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= 922

runsolver used 0.024996 second user time and 0.065989 second system time

The end

Launcher Data (download as text)

Begin job on node61 at 2008-07-04 15:01:50
IDJOB=1073085
IDBENCH=56317
IDSOLVER=342
FILE ID=node61/1073085-1215176509
PBS_JOBID= 7881522
Free space on /tmp= 66548 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-03-04.xml
COMMAND LINE= HOME/xsolve BENCHNAME -v 1 -rs RANDOMSEED -probe 1 -ph 0 -heu dom/wdeg -res no
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1073085-1215176509/watcher-1073085-1215176509 -o /tmp/evaluation-result-1073085-1215176509/solver-1073085-1215176509 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1073085-1215176509.xml -v 1 -rs 227782900 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 0b0ab2cae40e5a74bbe573d42fb3dcd8
RANDOM SEED=227782900

node61.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		: 3000.269
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		: 3000.269
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:       1062944 kB
Buffers:         29324 kB
Cached:         184876 kB
SwapCached:       6188 kB
Active:         836260 kB
Inactive:       102500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1062944 kB
SwapTotal:     4192956 kB
SwapFree:      4180700 kB
Dirty:           13680 kB
Writeback:           0 kB
Mapped:         740684 kB
Slab:            37984 kB
Committed_AS:  4625428 kB
PageTables:       3324 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66548 MiB
End job on node61 at 2008-07-04 15:02:12