Trace number 1073106

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 6.70798 6.71228

DiagnosticValue
ASSIGNMENTS7449
CHECKS2648600

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-01-02.xml
MD5SUM6650ab7e464b4754a3b170feb96b2023
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 benchmark4.36334
Satisfiable
(Un)Satisfiability was proved
Number of variables9685
Number of constraints65555
Maximum constraint arity39
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension65555
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.00	c mistral-prime version 1.313
0.00/0.00	c 
0.00/0.00	c Parsing xml file
0.00/0.00	c          domains...............     0	(1 domains)
0.00/0.00	c          variables.............  0.06	(9685 variables)
0.04/0.06	c          predicates............  0.02	(180 predicates)
0.04/0.08	c          constraints...........  2.69	(65555 constraints)
2.68/2.78	c Parsing time:   2.77
2.68/2.78	c
2.68/2.78	c Building model
2.79/2.86	c         0 AllDifferent constraints infered
3.20/3.22	c         0 constants
3.20/3.22	c      9681 Boolean variables    (+0)
3.20/3.22	c         0 range variables      (+35780)
3.20/3.22	c         0 domain (b) variables (+2341)
3.20/3.22	c         0 domain (l) variables (+0)
3.20/3.22	c     53480 constraints          (+38166)
3.20/3.22	c         0 values 
3.20/3.22	c Building time:   0.44
3.20/3.22	c
3.20/3.22	c Solving instance
3.20/3.22	c          heuristic = dom/wdeg
3.20/3.22	c          Randomized probing iteration = 100
3.20/3.22	c          probing limit = 30
3.20/3.22	c          level based weights = no
3.20/3.22	c          impact probing = no
3.20/3.22	c          restart policy = No restart
3.20/3.22	c          probing .  2.99
6.19/6.21	c          Probing Nodes  7449
6.19/6.21	c Solving time:   2.99
6.19/6.21	c
6.19/6.21	s SATISFIABLE
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6.19/6.21	d CHECKS 2648603
6.19/6.21	d ASSIGNMENTS 7449

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-1073106-1215176550/watcher-1073106-1215176550 -o /tmp/evaluation-result-1073106-1215176550/solver-1073106-1215176550 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1073106-1215176550.xml -v 1 -rs 238371568 -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: 2.11 2.02 2.00 4/81 26071
/proc/meminfo: memFree=1724664/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=4584 CPUtime=0
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194304 346 0 0 0 0 0 0 0 20 0 1 0 629902341 4694016 312 996147200 134512640 135239859 4294956144 18446744073709551615 4159683200 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 1146 319 273 177 0 49 0

[startup+0.053798 s]
/proc/loadavg: 2.11 2.02 2.00 4/81 26071
/proc/meminfo: memFree=1724664/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=6312 CPUtime=0.04
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194304 886 0 0 0 4 0 0 0 20 0 1 0 629902341 6463488 852 996147200 134512640 135239859 4294956144 18446744073709551615 10356347 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 1578 852 368 177 0 481 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 6312

[startup+0.101805 s]
/proc/loadavg: 2.11 2.02 2.00 4/81 26071
/proc/meminfo: memFree=1724664/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=7288 CPUtime=0.09
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194304 1136 0 0 0 9 0 0 0 20 0 1 0 629902341 7462912 1102 996147200 134512640 135239859 4294956144 18446744073709551615 10356347 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 1822 1102 391 177 0 725 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7288

[startup+0.301828 s]
/proc/loadavg: 2.11 2.02 2.00 4/81 26071
/proc/meminfo: memFree=1724664/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=10268 CPUtime=0.28
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194304 1880 0 0 0 28 0 0 0 22 0 1 0 629902341 10514432 1846 996147200 134512640 135239859 4294956144 18446744073709551615 10356347 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 2567 1846 391 177 0 1470 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10268

[startup+0.70187 s]
/proc/loadavg: 2.11 2.02 2.00 4/81 26071
/proc/meminfo: memFree=1724664/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=15356 CPUtime=0.69
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194304 3178 0 0 0 68 1 0 0 25 0 1 0 629902341 15724544 3078 996147200 134512640 135239859 4294956144 18446744073709551615 10356347 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 3839 3078 397 177 0 2742 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15356

[startup+1.50196 s]
/proc/loadavg: 2.11 2.02 2.00 3/82 26072
/proc/meminfo: memFree=1710392/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=24612 CPUtime=1.48
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194304 5605 0 0 0 146 2 0 0 25 0 1 0 629902341 25202688 5375 996147200 134512640 135239859 4294956144 18446744073709551615 10356347 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 6153 5375 397 177 0 5056 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 24612

[startup+3.10114 s]
/proc/loadavg: 2.11 2.02 2.00 3/82 26072
/proc/meminfo: memFree=1697720/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=92708 CPUtime=3.09
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194304 22757 0 0 0 298 11 0 0 25 0 1 0 629902341 94932992 22091 996147200 134512640 135239859 4294956144 18446744073709551615 10356347 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 23177 22095 427 177 0 22080 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 92708

[startup+6.30149 s]
/proc/loadavg: 2.10 2.02 2.00 3/82 26072
/proc/meminfo: memFree=1604728/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=126308 CPUtime=6.29
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194304 31510 0 0 0 614 15 0 0 25 0 1 0 629902341 129339392 30280 996147200 134512640 135239859 4294956144 18446744073709551615 10354128 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 31577 30280 439 177 0 30480 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 126308

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

[startup+6.70154 s]
/proc/loadavg: 2.10 2.02 2.00 3/82 26072
/proc/meminfo: memFree=1604600/2055920 swapFree=4179668/4192956
[pid=26071] ppid=26069 vsize=0 CPUtime=6.69
/proc/26071/stat : 26071 (xsolve) R 26069 26071 25459 0 -1 4194308 31521 0 0 0 653 16 0 0 25 0 1 0 629902341 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/26071/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 6.69
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 6.71228
CPU time (s): 6.70798
CPU user time (s): 6.53301
CPU system time (s): 0.174973
CPU usage (%): 99.9359
Max. virtual memory (cumulated for all children) (KiB): 126496

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.53301
system time used= 0.174973
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 31521
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= 64

runsolver used 0.007998 second user time and 0.029995 second system time

The end

Launcher Data (download as text)

Begin job on node88 at 2008-07-04 15:02:31
IDJOB=1073106
IDBENCH=56318
IDSOLVER=342
FILE ID=node88/1073106-1215176550
PBS_JOBID= 7881537
Free space on /tmp= 66540 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-01-02.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-1073106-1215176550/watcher-1073106-1215176550 -o /tmp/evaluation-result-1073106-1215176550/solver-1073106-1215176550 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1073106-1215176550.xml -v 1 -rs 238371568 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 6650ab7e464b4754a3b170feb96b2023
RANDOM SEED=238371568

node88.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		: 3000.232
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		: 3000.232
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:       1725080 kB
Buffers:         38628 kB
Cached:         127376 kB
SwapCached:       7396 kB
Active:         236460 kB
Inactive:        46988 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1725080 kB
SwapTotal:     4192956 kB
SwapFree:      4179668 kB
Dirty:           10252 kB
Writeback:           0 kB
Mapped:         129480 kB
Slab:            32360 kB
Committed_AS:  1779800 kB
PageTables:       2060 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= 66536 MiB
End job on node88 at 2008-07-04 15:02:38