Trace number 1073148

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 1.09783 1.11953

DiagnosticValue
ASSIGNMENTS637
CHECKS126390

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-02-04.xml
MD5SUM96b73df43f68796498194c76a4d84d9e
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 benchmark0.958853
Satisfiable
(Un)Satisfiability was proved
Number of variables2810
Number of constraints14493
Maximum constraint arity17
Maximum domain size4
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)

0.48/0.60	c mistral-prime version 1.313
0.48/0.60	c 
0.48/0.60	c Parsing xml file
0.48/0.60	c          domains...............     0	(1 domains)
0.48/0.60	c          variables.............  0.02	(2810 variables)
0.48/0.60	c          predicates............-4.1674e-19	(47 predicates)
0.48/0.60	c          constraints...........   0.6	(14493 constraints)
0.58/0.64	c Parsing time:   0.62
0.58/0.64	c
0.58/0.64	c Building model
0.58/0.66	c         0 AllDifferent constraints infered
0.68/0.78	c         0 constants
0.68/0.78	c      2809 Boolean variables    (+0)
0.68/0.78	c         0 range variables      (+11918)
0.68/0.78	c         0 domain (b) variables (+2332)
0.68/0.78	c         0 domain (l) variables (+0)
0.68/0.78	c      9350 constraints          (+14250)
0.68/0.78	c         0 values 
0.68/0.78	c Building time:   0.14
0.68/0.78	c
0.68/0.78	c Solving instance
0.68/0.78	c          heuristic = dom/wdeg
0.68/0.78	c          Randomized probing iteration = 100
0.68/0.78	c          probing limit = 30
0.68/0.78	c          level based weights = no
0.68/0.78	c          impact probing = no
0.68/0.78	c          restart policy = No restart
0.68/0.78	c          probing .  0.16
0.88/0.95	c          Probing Nodes   637
0.88/0.95	c Solving time:   0.16
0.88/0.95	c
0.88/0.95	s SATISFIABLE
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0.88/0.95	d CHECKS 126390
0.88/0.95	d ASSIGNMENTS 637

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-1073148-1215176599/watcher-1073148-1215176599 -o /tmp/evaluation-result-1073148-1215176599/solver-1073148-1215176599 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1073148-1215176599.xml -v 1 -rs 1741182355 -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: 1.40 1.32 1.63 3/83 1493
/proc/meminfo: memFree=1073328/2055920 swapFree=4179828/4192956
[pid=1493] ppid=1491 vsize=18572 CPUtime=0
/proc/1493/stat : 1493 (runsolver) R 1491 1493 1429 0 -1 4194368 15 0 0 0 0 0 0 0 23 0 1 0 1996629581 19017728 293 996147200 4194304 4296836 548682068336 18446744073709551615 227607637287 0 0 4096 24578 0 0 0 17 1 0 0
/proc/1493/statm: 4643 293 257 25 0 2626 0

[startup+0.156996 s]
/proc/loadavg: 1.40 1.32 1.63 3/83 1493
/proc/meminfo: memFree=1073328/2055920 swapFree=4179828/4192956
[pid=1493] ppid=1491 vsize=7012 CPUtime=0.14
/proc/1493/stat : 1493 (xsolve) R 1491 1493 1429 0 -1 4194304 1068 0 0 0 14 0 0 0 19 0 1 0 1996629581 7180288 1034 996147200 134512640 135239859 4294956144 18446744073709551615 134618038 0 0 4096 0 0 0 0 17 1 0 0
/proc/1493/statm: 1753 1034 398 177 0 656 0
Current children cumulated CPU time (s) 0.14
Current children cumulated vsize (KiB) 7012

[startup+0.201998 s]
/proc/loadavg: 1.40 1.32 1.63 3/83 1493
/proc/meminfo: memFree=1073328/2055920 swapFree=4179828/4192956
[pid=1493] ppid=1491 vsize=7404 CPUtime=0.18
/proc/1493/stat : 1493 (xsolve) R 1491 1493 1429 0 -1 4194304 1190 0 0 0 18 0 0 0 19 0 1 0 1996629581 7581696 1156 996147200 134512640 135239859 4294956144 18446744073709551615 4160505529 0 0 4096 0 0 0 0 17 1 0 0
/proc/1493/statm: 1851 1156 398 177 0 754 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 7404

[startup+0.302011 s]
/proc/loadavg: 1.40 1.32 1.63 3/83 1493
/proc/meminfo: memFree=1073328/2055920 swapFree=4179828/4192956
[pid=1493] ppid=1491 vsize=8692 CPUtime=0.28
/proc/1493/stat : 1493 (xsolve) R 1491 1493 1429 0 -1 4194304 1471 0 0 0 28 0 0 0 20 0 1 0 1996629581 8900608 1437 996147200 134512640 135239859 4294956144 18446744073709551615 134648246 0 0 4096 0 0 0 0 17 1 0 0
/proc/1493/statm: 2173 1437 398 177 0 1076 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 8692

[startup+0.701055 s]
/proc/loadavg: 1.40 1.32 1.63 3/83 1493
/proc/meminfo: memFree=1073328/2055920 swapFree=4179828/4192956
[pid=1493] ppid=1491 vsize=19860 CPUtime=0.68
/proc/1493/stat : 1493 (xsolve) R 1491 1493 1429 0 -1 4194304 4316 0 0 0 66 2 0 0 23 0 1 0 1996629581 20336640 4216 996147200 134512640 135239859 4294956144 18446744073709551615 134819674 0 0 4096 0 0 0 0 17 1 0 0
/proc/1493/statm: 4965 4216 425 177 0 3868 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 19860

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

[startup+0.801077 s]
/proc/loadavg: 1.40 1.32 1.63 3/83 1493
/proc/meminfo: memFree=1073328/2055920 swapFree=4179828/4192956
[pid=1493] ppid=1491 vsize=37636 CPUtime=0.78
/proc/1493/stat : 1493 (xsolve) R 1491 1493 1429 0 -1 4194304 8732 0 0 0 74 4 0 0 24 0 1 0 1996629581 38539264 8632 996147200 134512640 135239859 4294956144 18446744073709551615 135095149 0 0 4096 0 0 0 0 17 1 0 0
/proc/1493/statm: 9409 8632 437 177 0 8312 0
Current children cumulated CPU time (s) 0.78
Current children cumulated vsize (KiB) 37636

[startup+1.0011 s]
/proc/loadavg: 1.40 1.32 1.63 3/83 1493
/proc/meminfo: memFree=1073328/2055920 swapFree=4179828/4192956
[pid=1493] ppid=1491 vsize=38524 CPUtime=0.97
/proc/1493/stat : 1493 (xsolve) R 1491 1493 1429 0 -1 4194304 9006 0 0 0 93 4 0 0 25 0 1 0 1996629581 39448576 8808 996147200 134512640 135239859 4294956144 18446744073709551615 135043308 0 0 4096 0 0 0 0 17 1 0 0
/proc/1493/statm: 9631 8808 440 177 0 8534 0
Current children cumulated CPU time (s) 0.97
Current children cumulated vsize (KiB) 38524

[startup+1.10111 s]
/proc/loadavg: 1.40 1.32 1.63 3/84 1494
/proc/meminfo: memFree=1062696/2055920 swapFree=4179828/4192956
[pid=1493] ppid=1491 vsize=14896 CPUtime=1.08
/proc/1493/stat : 1493 (xsolve) R 1491 1493 1429 0 -1 4194304 9013 0 0 0 103 5 0 0 25 0 1 0 1996629581 15253504 3011 996147200 134512640 135239859 4294956144 18446744073709551615 10268793 0 0 4096 0 0 0 0 17 1 0 0
/proc/1493/statm: 3724 3011 447 177 0 2627 0
Current children cumulated CPU time (s) 1.08
Current children cumulated vsize (KiB) 14896

Child status: 0
Real time (s): 1.11953
CPU time (s): 1.09783
CPU user time (s): 1.04484
CPU system time (s): 0.052991
CPU usage (%): 98.0617
Max. virtual memory (cumulated for all children) (KiB): 38524

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.04484
system time used= 0.052991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9015
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= 65

runsolver used 0.005999 second user time and 0.013997 second system time

The end

Launcher Data (download as text)

Begin job on node66 at 2008-07-04 15:03:19
IDJOB=1073148
IDBENCH=56321
IDSOLVER=342
FILE ID=node66/1073148-1215176599
PBS_JOBID= 7881545
Free space on /tmp= 66516 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-02-04.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-1073148-1215176599/watcher-1073148-1215176599 -o /tmp/evaluation-result-1073148-1215176599/solver-1073148-1215176599 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1073148-1215176599.xml -v 1 -rs 1741182355 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 96b73df43f68796498194c76a4d84d9e
RANDOM SEED=1741182355

node66.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		: 3000.213
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		: 3000.213
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:       1073808 kB
Buffers:         40028 kB
Cached:         146752 kB
SwapCached:       6748 kB
Active:         878648 kB
Inactive:        49128 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1073808 kB
SwapTotal:     4192956 kB
SwapFree:      4179828 kB
Dirty:            3140 kB
Writeback:           0 kB
Mapped:         752620 kB
Slab:            37852 kB
Committed_AS:  4773552 kB
PageTables:       3516 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= 66516 MiB
End job on node66 at 2008-07-04 15:03:20