Trace number 1073253

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 40.2309 40.5961

DiagnosticValue
ASSIGNMENTS142633
CHECKS28031200

General information on the benchmark

Namecsp/bmc/
normalized-bmc-ibm-03-08.xml
MD5SUM85c81568cbfb76e69f1a2bef9e4026a8
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 benchmark6.544
Satisfiable
(Un)Satisfiability was proved
Number of variables14930
Number of constraints87036
Maximum constraint arity19
Maximum domain size8
Number of constraints which are defined in extension0
Number of constraints which are defined in intension87036
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	(1 domains)
0.00/0.02	c          variables.............   0.1	(14930 variables)
0.09/0.12	c          predicates............  0.01	(141 predicates)
0.09/0.12	c          constraints...........  3.84	(87036 constraints)
3.85/3.99	c Parsing time:   3.95
3.85/3.99	c
3.85/3.99	c Building model
4.05/4.10	c         0 AllDifferent constraints infered
4.44/4.59	c         0 constants
4.44/4.59	c     14923 Boolean variables    (+0)
4.44/4.59	c         0 range variables      (+47223)
4.44/4.59	c         0 domain (b) variables (+3833)
4.44/4.59	c         0 domain (l) variables (+0)
4.44/4.59	c     68266 constraints          (+51056)
4.44/4.59	c         0 values 
4.44/4.59	c Building time:   0.58
4.44/4.59	c
4.44/4.59	c Solving instance
4.44/4.59	c          heuristic = dom/wdeg
4.44/4.59	c          Randomized probing iteration = 100
4.44/4.59	c          probing limit = 30
4.44/4.59	c          level based weights = no
4.44/4.59	c          impact probing = no
4.44/4.59	c          restart policy = No restart
4.44/4.59	c          probing .......... 33.34
37.86/38.21	c          Probing Nodes138623
37.86/38.21	c          final run    1.7
39.54/39.93	c Solving time:  35.04
39.54/39.93	c
39.54/39.93	s SATISFIABLE
39.54/39.93	v 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 1 1 1 0 1 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 1 0 1 1 1 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 1 0 1 0 1 0 0 1 0 1 1 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 0 0 1 0 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1 1 0 0 1 0 0 0 0 0 1 1 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 0 1 1 1 1 1 1 1 1 0 1 0 1 0 0 1 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 1 1 0 1 1 0 1 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 1 0 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39.54/39.93	d CHECKS 28031167
39.54/39.93	d ASSIGNMENTS 142633

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-1073253-1215176858/watcher-1073253-1215176858 -o /tmp/evaluation-result-1073253-1215176858/solver-1073253-1215176858 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1073253-1215176858.xml -v 1 -rs 370559368 -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 2.00 1.99 4/81 3326
/proc/meminfo: memFree=1137768/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=18572 CPUtime=0
/proc/3326/stat : 3326 (runsolver) R 3324 3326 1110 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 1996658071 19017728 292 996147200 4194304 4296836 548682068336 18446744073709551615 255539604775 0 0 4096 24578 0 0 0 17 1 0 0
/proc/3326/statm: 4643 292 257 25 0 2626 0

[startup+0.0543609 s]
/proc/loadavg: 1.92 2.00 1.99 4/81 3326
/proc/meminfo: memFree=1137768/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=6132 CPUtime=0.04
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 816 0 0 0 4 0 0 0 19 0 1 0 1996658071 6279168 782 996147200 134512640 135239859 4294956144 18446744073709551615 134622638 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 1533 782 368 177 0 436 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 6132

[startup+0.102367 s]
/proc/loadavg: 1.92 2.00 1.99 4/81 3326
/proc/meminfo: memFree=1137768/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=7584 CPUtime=0.09
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 1198 0 0 0 9 0 0 0 19 0 1 0 1996658071 7766016 1164 996147200 134512640 135239859 4294956144 18446744073709551615 134618072 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 1896 1164 368 177 0 799 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7584

[startup+0.301386 s]
/proc/loadavg: 1.92 2.00 1.99 4/81 3326
/proc/meminfo: memFree=1137768/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=10584 CPUtime=0.28
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 1965 0 0 0 28 0 0 0 21 0 1 0 1996658071 10838016 1931 996147200 134512640 135239859 4294956144 18446744073709551615 134579049 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 2646 1931 392 177 0 1549 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10584

[startup+0.701425 s]
/proc/loadavg: 1.92 2.00 1.99 4/81 3326
/proc/meminfo: memFree=1137768/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=15996 CPUtime=0.68
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 3350 0 0 0 67 1 0 0 25 0 1 0 1996658071 16379904 3250 996147200 134512640 135239859 4294956144 18446744073709551615 4159712476 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 3999 3250 398 177 0 2902 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 15996

[startup+1.5025 s]
/proc/loadavg: 1.92 2.00 1.99 3/82 3327
/proc/meminfo: memFree=1123104/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=24504 CPUtime=1.47
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 5563 0 0 0 145 2 0 0 25 0 1 0 1996658071 25092096 5333 996147200 134512640 135239859 4294956144 18446744073709551615 134643575 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 6126 5333 398 177 0 5029 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 24504

[startup+3.10165 s]
/proc/loadavg: 1.92 2.00 1.99 3/82 3327
/proc/meminfo: memFree=1111520/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=41124 CPUtime=3.06
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 9908 0 0 0 300 6 0 0 25 0 1 0 1996658071 42110976 9387 996147200 134512640 135239859 4294956144 18446744073709551615 4159126157 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 10281 9387 398 177 0 9184 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 41124

[startup+6.30195 s]
/proc/loadavg: 1.93 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977120/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=166660 CPUtime=6.23
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41562 0 0 0 602 21 0 0 25 0 1 0 1996658071 170659840 40487 996147200 134512640 135239859 4294956144 18446744073709551615 135031434 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 41665 40487 437 177 0 40568 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 166660

[startup+12.7015 s]
/proc/loadavg: 1.93 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977120/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=166660 CPUtime=12.58
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41575 0 0 0 1237 21 0 0 25 0 1 0 1996658071 170659840 40500 996147200 134512640 135239859 4294956144 18446744073709551615 134820623 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 41665 40500 437 177 0 40568 0
Current children cumulated CPU time (s) 12.58
Current children cumulated vsize (KiB) 166660

[startup+25.5017 s]
/proc/loadavg: 1.95 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977056/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=167684 CPUtime=25.26
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41855 0 0 0 2505 21 0 0 25 0 1 0 1996658071 171708416 40523 996147200 134512640 135239859 4294956144 18446744073709551615 134820820 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 41921 40523 437 177 0 40824 0
Current children cumulated CPU time (s) 25.26
Current children cumulated vsize (KiB) 167684

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

[startup+31.9063 s]
/proc/loadavg: 1.95 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977056/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=167684 CPUtime=31.6
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41855 0 0 0 3139 21 0 0 25 0 1 0 1996658071 171708416 40523 996147200 134512640 135239859 4294956144 18446744073709551615 134820823 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 41921 40523 437 177 0 40824 0
Current children cumulated CPU time (s) 31.6
Current children cumulated vsize (KiB) 167684

[startup+35.1026 s]
/proc/loadavg: 1.95 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977056/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=167684 CPUtime=34.78
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41855 0 0 0 3456 22 0 0 25 0 1 0 1996658071 171708416 40523 996147200 134512640 135239859 4294956144 18446744073709551615 135035199 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 41921 40523 437 177 0 40824 0
Current children cumulated CPU time (s) 34.78
Current children cumulated vsize (KiB) 167684

[startup+38.3019 s]
/proc/loadavg: 1.95 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977056/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=167684 CPUtime=37.95
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41856 0 0 0 3773 22 0 0 25 0 1 0 1996658071 171708416 40524 996147200 134512640 135239859 4294956144 18446744073709551615 134803091 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 41921 40524 438 177 0 40824 0
Current children cumulated CPU time (s) 37.95
Current children cumulated vsize (KiB) 167684

[startup+39.9011 s]
/proc/loadavg: 1.96 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977056/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=167684 CPUtime=39.54
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41870 0 0 0 3932 22 0 0 25 0 1 0 1996658071 171708416 40538 996147200 134512640 135239859 4294956144 18446744073709551615 135033556 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 41921 40538 438 177 0 40824 0
Current children cumulated CPU time (s) 39.54
Current children cumulated vsize (KiB) 167684

[startup+40.3011 s]
/proc/loadavg: 1.96 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977056/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=165968 CPUtime=39.93
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41873 0 0 0 3971 22 0 0 25 0 1 0 1996658071 169951232 40228 996147200 134512640 135239859 4294956144 18446744073709551615 3960839 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 41492 40228 441 177 0 40395 0
Current children cumulated CPU time (s) 39.93
Current children cumulated vsize (KiB) 165968

[startup+40.5011 s]
/proc/loadavg: 1.96 2.00 1.99 3/82 3327
/proc/meminfo: memFree=977056/2055920 swapFree=4180436/4192956
[pid=3326] ppid=3324 vsize=161800 CPUtime=40.13
/proc/3326/stat : 3326 (xsolve) R 3324 3326 1110 0 -1 4194304 41881 0 0 0 3991 22 0 0 25 0 1 0 1996658071 165683200 39491 996147200 134512640 135239859 4294956144 18446744073709551615 3960901 0 0 4096 0 0 0 0 17 1 0 0
/proc/3326/statm: 40450 39491 449 177 0 39353 0
Current children cumulated CPU time (s) 40.13
Current children cumulated vsize (KiB) 161800

Child status: 0
Real time (s): 40.5961
CPU time (s): 40.2309
CPU user time (s): 39.9829
CPU system time (s): 0.247962
CPU usage (%): 99.1004
Max. virtual memory (cumulated for all children) (KiB): 167684

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 39.9829
system time used= 0.247962
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 41883
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= 917

runsolver used 0.040993 second user time and 0.131979 second system time

The end

Launcher Data (download as text)

Begin job on node48 at 2008-07-04 15:07:39
IDJOB=1073253
IDBENCH=56332
IDSOLVER=342
FILE ID=node48/1073253-1215176858
PBS_JOBID= 7881449
Free space on /tmp= 66544 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/bmc/normalized-bmc-ibm-03-08.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-1073253-1215176858/watcher-1073253-1215176858 -o /tmp/evaluation-result-1073253-1215176858/solver-1073253-1215176858 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1073253-1215176858.xml -v 1 -rs 370559368 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 85c81568cbfb76e69f1a2bef9e4026a8
RANDOM SEED=370559368

node48.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	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1138248 kB
Buffers:         33100 kB
Cached:         121148 kB
SwapCached:       6436 kB
Active:         815404 kB
Inactive:        47316 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1138248 kB
SwapTotal:     4192956 kB
SwapFree:      4180436 kB
Dirty:           13020 kB
Writeback:           0 kB
Mapped:         724644 kB
Slab:            38580 kB
Committed_AS:  4878088 kB
PageTables:       3316 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= 66540 MiB
End job on node48 at 2008-07-04 15:08:19