Trace number 1063703

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 3.56346 3.59838

DiagnosticValue
ASSIGNMENTS2012
CHECKS6083780

General information on the benchmark

Namecsp/pseudo/mpsReduced/
normalized-mps-red-ran10x10b.xml
MD5SUM5be72a08ec3eec9a193ba5c4e6721a83
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 benchmark1.35879
Satisfiable
(Un)Satisfiability was proved
Number of variables3100
Number of constraints140
Maximum constraint arity300
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension140
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	(2 domains)
0.00/0.02	c          variables.............  0.02	(3100 variables)
0.09/0.12	c          predicates............  0.07	(4 predicates)
0.09/0.12	c          constraints...........  0.12	(140 constraints)
0.18/0.22	c Parsing time:   0.21
0.18/0.22	c
0.18/0.22	c Building model
0.18/0.23	c         0 AllDifferent constraints infered
0.18/0.28	c         0 constants
0.18/0.28	c      1630 Boolean variables    (+0)
0.18/0.28	c         0 range variables      (+11049)
0.18/0.28	c         0 domain (b) variables (+0)
0.18/0.28	c         0 domain (l) variables (+0)
0.18/0.28	c         0 constraints          (+11049)
0.18/0.28	c         0 values 
0.18/0.28	c Building time:   0.06
0.18/0.28	c
0.18/0.28	c Solving instance
0.18/0.28	c          heuristic = dom/wdeg
0.18/0.28	c          Randomized probing iteration = 100
0.18/0.28	c          probing limit = 30
0.18/0.28	c          level based weights = no
0.18/0.28	c          impact probing = no
0.18/0.28	c          restart policy = No restart
0.18/0.28	c          probing ...  3.23
3.46/3.54	c          Probing Nodes  2012
3.46/3.54	c Solving time:   3.23
3.46/3.54	c
3.46/3.54	s SATISFIABLE
3.46/3.54	v 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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3.46/3.54	d CHECKS 6083777
3.46/3.54	d ASSIGNMENTS 2012

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-1063703-1215138536/watcher-1063703-1215138536 -o /tmp/evaluation-result-1063703-1215138536/solver-1063703-1215138536 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1063703-1215138536.xml -v 1 -rs 1884166669 -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: 1.92 1.98 1.99 4/80 19465
/proc/meminfo: memFree=1753464/2055920 swapFree=4180408/4192956
[pid=19465] ppid=19463 vsize=18572 CPUtime=0
/proc/19465/stat : 19465 (runsolver) R 19463 19465 18537 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 1543520394 19017728 292 996147200 4194304 4296836 548682068352 18446744073709551615 248761609511 0 0 4096 24578 0 0 0 17 1 0 0
/proc/19465/statm: 4643 292 257 25 0 2626 0

[startup+0.0651719 s]
/proc/loadavg: 1.92 1.98 1.99 4/80 19465
/proc/meminfo: memFree=1753464/2055920 swapFree=4180408/4192956
[pid=19465] ppid=19463 vsize=8016 CPUtime=0.05
/proc/19465/stat : 19465 (xsolve) R 19463 19465 18537 0 -1 4194304 1290 0 0 0 5 0 0 0 19 0 1 0 1543520394 8208384 1256 996147200 134512640 135239859 4294956144 18446744073709551615 7290530 0 0 4096 0 0 0 0 17 1 0 0
/proc/19465/statm: 2004 1256 379 177 0 907 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 8016

[startup+0.101174 s]
/proc/loadavg: 1.92 1.98 1.99 4/80 19465
/proc/meminfo: memFree=1753464/2055920 swapFree=4180408/4192956
[pid=19465] ppid=19463 vsize=8296 CPUtime=0.09
/proc/19465/stat : 19465 (xsolve) R 19463 19465 18537 0 -1 4194304 1388 0 0 0 9 0 0 0 19 0 1 0 1543520394 8495104 1354 996147200 134512640 135239859 4294956144 18446744073709551615 134610085 0 0 4096 0 0 0 0 17 1 0 0
/proc/19465/statm: 2074 1354 381 177 0 977 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8296

[startup+0.301209 s]
/proc/loadavg: 1.92 1.98 1.99 4/80 19465
/proc/meminfo: memFree=1753464/2055920 swapFree=4180408/4192956
[pid=19465] ppid=19463 vsize=24852 CPUtime=0.29
/proc/19465/stat : 19465 (xsolve) R 19463 19465 18537 0 -1 4194304 5497 0 0 0 27 2 0 0 21 0 1 0 1543520394 25448448 5463 996147200 134512640 135239859 4294956144 18446744073709551615 135031772 0 0 4096 0 0 0 0 17 1 0 0
/proc/19465/statm: 6213 5463 436 177 0 5116 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 24852

[startup+0.701281 s]
/proc/loadavg: 1.92 1.98 1.99 4/80 19465
/proc/meminfo: memFree=1753464/2055920 swapFree=4180408/4192956
[pid=19465] ppid=19463 vsize=25348 CPUtime=0.68
/proc/19465/stat : 19465 (xsolve) R 19463 19465 18537 0 -1 4194304 5635 0 0 0 66 2 0 0 25 0 1 0 1543520394 25956352 5568 996147200 134512640 135239859 4294956144 18446744073709551615 135071478 0 0 4096 0 0 0 0 17 1 0 0
/proc/19465/statm: 6337 5568 436 177 0 5240 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 25348

[startup+1.50242 s]
/proc/loadavg: 1.92 1.98 1.99 3/81 19466
/proc/meminfo: memFree=1732784/2055920 swapFree=4180408/4192956
[pid=19465] ppid=19463 vsize=25348 CPUtime=1.47
/proc/19465/stat : 19465 (xsolve) R 19463 19465 18537 0 -1 4194304 5638 0 0 0 145 2 0 0 25 0 1 0 1543520394 25956352 5571 996147200 134512640 135239859 4294956144 18446744073709551615 135096256 0 0 4096 0 0 0 0 17 1 0 0
/proc/19465/statm: 6337 5571 436 177 0 5240 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 25348

[startup+3.1017 s]
/proc/loadavg: 1.92 1.98 1.99 3/81 19466
/proc/meminfo: memFree=1732656/2055920 swapFree=4180408/4192956
[pid=19465] ppid=19463 vsize=25348 CPUtime=3.06
/proc/19465/stat : 19465 (xsolve) R 19463 19465 18537 0 -1 4194304 5639 0 0 0 304 2 0 0 25 0 1 0 1543520394 25956352 5572 996147200 134512640 135239859 4294956144 18446744073709551615 135071424 0 0 4096 0 0 0 0 17 1 0 0
/proc/19465/statm: 6337 5572 436 177 0 5240 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 25348

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

[startup+3.50177 s]
/proc/loadavg: 1.92 1.98 1.99 3/81 19466
/proc/meminfo: memFree=1732656/2055920 swapFree=4180408/4192956
[pid=19465] ppid=19463 vsize=25348 CPUtime=3.46
/proc/19465/stat : 19465 (xsolve) R 19463 19465 18537 0 -1 4194304 5639 0 0 0 344 2 0 0 25 0 1 0 1543520394 25956352 5572 996147200 134512640 135239859 4294956144 18446744073709551615 135097665 0 0 4096 0 0 0 0 17 1 0 0
/proc/19465/statm: 6337 5572 436 177 0 5240 0
Current children cumulated CPU time (s) 3.46
Current children cumulated vsize (KiB) 25348

Child status: 0
Real time (s): 3.59838
CPU time (s): 3.56346
CPU user time (s): 3.53146
CPU system time (s): 0.031995
CPU usage (%): 99.0295
Max. virtual memory (cumulated for all children) (KiB): 25348

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.53146
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5652
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= 104

runsolver used 0.006998 second user time and 0.015997 second system time

The end

Launcher Data (download as text)

Begin job on node55 at 2008-07-04 04:28:56
IDJOB=1063703
IDBENCH=54831
IDSOLVER=342
FILE ID=node55/1063703-1215138536
PBS_JOBID= 7877340
Free space on /tmp= 66556 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/pseudo/mpsReduced/normalized-mps-red-ran10x10b.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-1063703-1215138536/watcher-1063703-1215138536 -o /tmp/evaluation-result-1063703-1215138536/solver-1063703-1215138536 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1063703-1215138536.xml -v 1 -rs 1884166669 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 5be72a08ec3eec9a193ba5c4e6721a83
RANDOM SEED=1884166669

node55.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		: 3000.261
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		: 3000.261
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:       1753944 kB
Buffers:         32868 kB
Cached:         144404 kB
SwapCached:       6804 kB
Active:         170036 kB
Inactive:        79332 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1753944 kB
SwapTotal:     4192956 kB
SwapFree:      4180408 kB
Dirty:            1304 kB
Writeback:           0 kB
Mapped:          88100 kB
Slab:            37680 kB
Committed_AS:  3788476 kB
PageTables:       1888 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 node55 at 2008-07-04 04:28:59