Trace number 1091851

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
Mistral-prime 1.313SAT 0.707891 0.715103

DiagnosticValue
ASSIGNMENTS3025
CHECKS188602

General information on the benchmark

Namecsp/bibdVariousK/
normalized-bibd-7-210-60-2-10_glb.xml
MD5SUMb7b3151efab35368355d2ec5cf8c6c51
Bench CategoryGLOBAL (global constraints)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.707891
Satisfiable
(Un)Satisfiability was proved
Number of variables5880
Number of constraints4648
Maximum constraint arity210
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension4410
Global constraints used (with number of constraints)weightedsum(238)

Solver Data (download as text)

0.19/0.21	c mistral-prime version 1.313
0.58/0.69	s SATISFIABLE
0.58/0.69	v 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 1 0 0 0 0 0 1 1 0 0 1 0 1 1 0 0 1 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 0 0 1 0 0 1 0 1 0 1 1 1 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 1 0 0 0 1 0 0 1 1 1 0 1 0 0 0 1 0 0 0 0 1 1 0 1 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 1 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 1 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 1 0 0 0 1 0 1 0 0 1 0 0 0 0 1 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 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0.58/0.69	d CHECKS 188602
0.58/0.69	d ASSIGNMENTS 3025

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-1091851-1215263173/watcher-1091851-1215263173 -o /tmp/evaluation-result-1091851-1215263173/solver-1091851-1215263173 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1091851-1215263173.xml 

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: 2.00 2.00 2.00 4/73 7771
/proc/meminfo: memFree=1738456/2055920 swapFree=4180844/4192956
[pid=7771] ppid=7769 vsize=816 CPUtime=0
/proc/7771/stat : 7771 (xsolve) R 7769 7771 7191 0 -1 4194304 39 0 0 0 0 0 0 0 19 0 1 0 2005291384 835584 25 996147200 134512640 135237403 4294956240 18446744073709551615 10027812 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/7771/statm: 204 25 19 176 0 3 0

[startup+0.09593 s]
/proc/loadavg: 2.00 2.00 2.00 4/73 7771
/proc/meminfo: memFree=1738456/2055920 swapFree=4180844/4192956
[pid=7771] ppid=7769 vsize=6436 CPUtime=0.08
/proc/7771/stat : 7771 (xsolve) R 7769 7771 7191 0 -1 4194304 935 0 0 0 8 0 0 0 18 0 1 0 2005291384 6590464 901 996147200 134512640 135237403 4294956240 18446744073709551615 10195103 0 0 4096 0 0 0 0 17 1 0 0
/proc/7771/statm: 1609 901 372 176 0 513 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6436

[startup+0.102927 s]
/proc/loadavg: 2.00 2.00 2.00 4/73 7771
/proc/meminfo: memFree=1738456/2055920 swapFree=4180844/4192956
[pid=7771] ppid=7769 vsize=6756 CPUtime=0.09
/proc/7771/stat : 7771 (xsolve) R 7769 7771 7191 0 -1 4194304 969 0 0 0 9 0 0 0 18 0 1 0 2005291384 6918144 935 996147200 134512640 135237403 4294956240 18446744073709551615 4160503962 0 0 4096 0 0 0 0 17 1 0 0
/proc/7771/statm: 1689 935 372 176 0 593 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6756

[startup+0.302949 s]
/proc/loadavg: 2.00 2.00 2.00 4/73 7771
/proc/meminfo: memFree=1738456/2055920 swapFree=4180844/4192956
[pid=7771] ppid=7769 vsize=8296 CPUtime=0.29
/proc/7771/stat : 7771 (xsolve) R 7769 7771 7191 0 -1 4194304 1390 0 0 0 29 0 0 0 19 0 1 0 2005291384 8495104 1356 996147200 134512640 135237403 4294956240 18446744073709551615 134637745 0 0 4096 0 0 0 0 17 1 0 0
/proc/7771/statm: 2074 1356 375 176 0 978 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8296

[startup+0.702991 s]
/proc/loadavg: 2.00 2.00 2.00 4/73 7771
/proc/meminfo: memFree=1738456/2055920 swapFree=4180844/4192956
[pid=7771] ppid=7769 vsize=8608 CPUtime=0.68
/proc/7771/stat : 7771 (xsolve) R 7769 7771 7191 0 -1 4194304 2078 0 0 0 68 0 0 0 23 0 1 0 2005291384 8814592 1474 996147200 134512640 135237403 4294956240 18446744073709551615 134612196 0 0 4096 0 0 0 0 17 1 0 0
/proc/7771/statm: 2152 1474 416 176 0 1056 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 8608

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

Child status: 0
Real time (s): 0.715103
CPU time (s): 0.707891
CPU user time (s): 0.697893
CPU system time (s): 0.009998
CPU usage (%): 98.9915
Max. virtual memory (cumulated for all children) (KiB): 10912

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.697893
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2082
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= 23

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node25 at 2008-07-05 15:06:13
IDJOB=1091851
IDBENCH=58580
IDSOLVER=358
FILE ID=node25/1091851-1215263173
PBS_JOBID= 7882139
Free space on /tmp= 66500 MiB

SOLVER NAME= Mistral-prime 1.313
BENCH NAME= CPAI08/csp/bibdVariousK/normalized-bibd-7-210-60-2-10_glb.xml
COMMAND LINE= HOME/xsolve BENCHNAME 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1091851-1215263173/watcher-1091851-1215263173 -o /tmp/evaluation-result-1091851-1215263173/solver-1091851-1215263173 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1091851-1215263173.xml 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= b7b3151efab35368355d2ec5cf8c6c51
RANDOM SEED=250351579

node25.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		: 3000.234
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		: 3000.234
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:       1738936 kB
Buffers:         31364 kB
Cached:         219996 kB
SwapCached:       5952 kB
Active:         178120 kB
Inactive:        87416 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1738936 kB
SwapTotal:     4192956 kB
SwapFree:      4180844 kB
Dirty:            1892 kB
Writeback:           0 kB
Mapped:          21552 kB
Slab:            36516 kB
Committed_AS:  3541236 kB
PageTables:       1984 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= 66500 MiB
End job on node25 at 2008-07-05 15:06:14