Trace number 1073064

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 1.06384 1.08029

DiagnosticValue
ASSIGNMENTS623
CHECKS116517

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-02-02.xml
MD5SUMbce6a7316b7cc84cf09cdd52e0aabc09
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 benchmark1.06084
Satisfiable
(Un)Satisfiability was proved
Number of variables2810
Number of constraints14493
Maximum constraint arity17
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension14493
Global constraints used (with number of constraints)

Solver Data (download as text)

0.09/0.10	c mistral-prime version 1.313
0.09/0.10	c 
0.09/0.10	c Parsing xml file
0.09/0.10	c          domains...............     0	(1 domains)
0.09/0.10	c          variables.............  0.01	(2810 variables)
0.09/0.10	c          predicates............  0.01	(47 predicates)
0.09/0.10	c          constraints...........  0.56	(14493 constraints)
0.48/0.58	c Parsing time:   0.58
0.48/0.58	c
0.48/0.58	c Building model
0.59/0.61	c         0 AllDifferent constraints infered
0.68/0.75	c         0 constants
0.68/0.75	c      2809 Boolean variables    (+7621)
0.68/0.75	c         0 range variables      (+21403)
0.68/0.75	c         0 domain (b) variables (+3962)
0.68/0.75	c         0 domain (l) variables (+0)
0.68/0.75	c         0 constraints          (+33085)
0.68/0.75	c         0 values 
0.68/0.75	c Building time:   0.15
0.68/0.75	c
0.68/0.75	c Solving instance
0.68/0.75	c          heuristic = dom/wdeg
0.68/0.75	c          Randomized probing iteration = 100
0.68/0.75	c          probing limit = 30
0.68/0.75	c          level based weights = no
0.68/0.75	c          impact probing = no
0.68/0.75	c          restart policy = No restart
0.68/0.75	c          probing .  0.14
0.78/0.89	c          Probing Nodes   623
0.78/0.89	c Solving time:   0.14
0.78/0.89	c
0.78/0.89	s SATISFIABLE
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0.78/0.89	d CHECKS 116517
0.78/0.89	d ASSIGNMENTS 623

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-1073064-1215176469/watcher-1073064-1215176469 -o /tmp/evaluation-result-1073064-1215176469/solver-1073064-1215176469 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1073064-1215176469.xml -v 1 -rs 719724706 -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: 2.23 2.10 2.02 4/90 31833
/proc/meminfo: memFree=1435064/2055920 swapFree=4176360/4192956
[pid=31833] ppid=31831 vsize=4584 CPUtime=0
/proc/31833/stat : 31833 (xsolve) R 31831 31833 28347 0 -1 4194304 316 0 0 0 0 0 0 0 19 0 1 0 1996614045 4694016 283 996147200 134512640 135239859 4294956144 18446744073709551615 11592887 0 0 4096 0 0 0 0 17 1 0 0
/proc/31833/statm: 1146 283 239 177 0 49 0

[startup+0.092926 s]
/proc/loadavg: 2.23 2.10 2.02 4/90 31833
/proc/meminfo: memFree=1435064/2055920 swapFree=4176360/4192956
[pid=31833] ppid=31831 vsize=6304 CPUtime=0.08
/proc/31833/stat : 31833 (xsolve) R 31831 31833 28347 0 -1 4194304 905 0 0 0 8 0 0 0 19 0 1 0 1996614045 6455296 871 996147200 134512640 135239859 4294956144 18446744073709551615 4159752682 0 0 4096 0 0 0 0 17 0 0 0
/proc/31833/statm: 1576 871 391 177 0 479 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6304

[startup+0.102922 s]
/proc/loadavg: 2.23 2.10 2.02 4/90 31833
/proc/meminfo: memFree=1435064/2055920 swapFree=4176360/4192956
[pid=31833] ppid=31831 vsize=6436 CPUtime=0.09
/proc/31833/stat : 31833 (xsolve) R 31831 31833 28347 0 -1 4194304 940 0 0 0 9 0 0 0 19 0 1 0 1996614045 6590464 906 996147200 134512640 135239859 4294956144 18446744073709551615 134622665 0 0 4096 0 0 0 0 17 0 0 0
/proc/31833/statm: 1609 906 391 177 0 512 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6436

[startup+0.301946 s]
/proc/loadavg: 2.23 2.10 2.02 4/90 31833
/proc/meminfo: memFree=1435064/2055920 swapFree=4176360/4192956
[pid=31833] ppid=31831 vsize=10364 CPUtime=0.29
/proc/31833/stat : 31833 (xsolve) R 31831 31833 28347 0 -1 4194304 1927 0 0 0 28 1 0 0 21 0 1 0 1996614045 10612736 1893 996147200 134512640 135239859 4294956144 18446744073709551615 134552763 0 0 4096 0 0 0 0 17 0 0 0
/proc/31833/statm: 2591 1893 396 177 0 1494 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10364

[startup+0.703001 s]
/proc/loadavg: 2.23 2.10 2.02 4/90 31833
/proc/meminfo: memFree=1435064/2055920 swapFree=4176360/4192956
[pid=31833] ppid=31831 vsize=39084 CPUtime=0.68
/proc/31833/stat : 31833 (xsolve) R 31831 31833 28347 0 -1 4194304 9142 0 0 0 64 4 0 0 25 0 1 0 1996614045 40022016 9042 996147200 134512640 135239859 4294956144 18446744073709551615 12064379 0 0 4096 0 0 0 0 17 0 0 0
/proc/31833/statm: 9771 9042 426 177 0 8674 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 39084

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

[startup+0.90302 s]
/proc/loadavg: 2.23 2.10 2.02 4/90 31833
/proc/meminfo: memFree=1435064/2055920 swapFree=4176360/4192956
[pid=31833] ppid=31831 vsize=52992 CPUtime=0.88
/proc/31833/stat : 31833 (xsolve) R 31831 31833 28347 0 -1 4194304 12751 0 0 0 82 6 0 0 25 0 1 0 1996614045 54263808 12453 996147200 134512640 135239859 4294956144 18446744073709551615 4158664986 0 0 4096 0 0 0 0 17 0 0 0
/proc/31833/statm: 13248 12453 438 177 0 12151 0
Current children cumulated CPU time (s) 0.88
Current children cumulated vsize (KiB) 52992

[startup+1.00203 s]
/proc/loadavg: 2.23 2.10 2.02 3/91 31834
/proc/meminfo: memFree=1387056/2055920 swapFree=4176360/4192956
[pid=31833] ppid=31831 vsize=52448 CPUtime=0.98
/proc/31833/stat : 31833 (xsolve) R 31831 31833 28347 0 -1 4194304 12752 0 0 0 92 6 0 0 25 0 1 0 1996614045 53706752 12350 996147200 134512640 135239859 4294956144 18446744073709551615 12058713 0 0 4096 0 0 0 0 17 0 0 0
/proc/31833/statm: 13112 12350 439 177 0 12015 0
Current children cumulated CPU time (s) 0.98
Current children cumulated vsize (KiB) 52448

Child status: 0
Real time (s): 1.08029
CPU time (s): 1.06384
CPU user time (s): 0.987849
CPU system time (s): 0.075988
CPU usage (%): 98.4771
Max. virtual memory (cumulated for all children) (KiB): 52992

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.987849
system time used= 0.075988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12761
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= 55

runsolver used 0.005999 second user time and 0.011998 second system time

The end

Launcher Data (download as text)

Begin job on node91 at 2008-07-04 15:01:10
IDJOB=1073064
IDBENCH=56315
IDSOLVER=342
FILE ID=node91/1073064-1215176469
PBS_JOBID= 7881435
Free space on /tmp= 66556 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-02-02.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-1073064-1215176469/watcher-1073064-1215176469 -o /tmp/evaluation-result-1073064-1215176469/solver-1073064-1215176469 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1073064-1215176469.xml -v 1 -rs 719724706 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= bce6a7316b7cc84cf09cdd52e0aabc09
RANDOM SEED=719724706

node91.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		: 3000.231
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		: 3000.231
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:       1435416 kB
Buffers:         26360 kB
Cached:         113180 kB
SwapCached:       8020 kB
Active:         525908 kB
Inactive:        46740 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1435416 kB
SwapTotal:     4192956 kB
SwapFree:      4176360 kB
Dirty:            3008 kB
Writeback:           0 kB
Mapped:         448892 kB
Slab:            30792 kB
Committed_AS: 12781668 kB
PageTables:       3824 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= 66556 MiB
End job on node91 at 2008-07-04 15:01:11