Trace number 1061309

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 2.22266 2.25305

DiagnosticValue
ASSIGNMENTS908
CHECKS647487

General information on the benchmark

Namecsp/pseudo/ii/
normalized-ii-16a2.xml
MD5SUM7cf252c06501ff14df84153e45462aac
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 benchmark1.82172
Satisfiable
(Un)Satisfiability was proved
Number of variables3204
Number of constraints24883
Maximum constraint arity16
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension24883
Global constraints used (with number of constraints)

Solver Data (download as text)

0.18/0.21	c mistral-prime version 1.313
0.18/0.21	c 
0.18/0.21	c Parsing xml file
0.18/0.21	c          domains...............     0	(1 domains)
0.18/0.21	c          variables.............  0.02	(3204 variables)
0.18/0.21	c          predicates............-4.1674e-19	(4 predicates)
0.18/0.21	c          constraints...........  1.03	(24883 constraints)
0.98/1.07	c Parsing time:   1.05
0.98/1.07	c
0.98/1.07	c Building model
1.08/1.12	c         0 AllDifferent constraints infered
1.18/1.27	c         0 constants
1.18/1.27	c      3204 Boolean variables    (+0)
1.18/1.27	c         0 range variables      (+29681)
1.18/1.27	c         0 domain (b) variables (+0)
1.18/1.27	c         0 domain (l) variables (+0)
1.18/1.27	c      1602 constraints          (+29681)
1.18/1.27	c         0 values 
1.18/1.27	c Building time:    0.2
1.18/1.27	c
1.18/1.27	c Solving instance
1.18/1.27	c          heuristic = dom/wdeg
1.18/1.27	c          Randomized probing iteration = 100
1.18/1.27	c          probing limit = 30
1.18/1.27	c          level based weights = no
1.18/1.27	c          impact probing = no
1.18/1.27	c          restart policy = No restart
1.18/1.27	c          probing .  0.76
1.97/2.04	c          Probing Nodes   908
1.97/2.04	c Solving time:   0.76
1.97/2.04	c
1.97/2.04	s SATISFIABLE
1.97/2.04	v 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 1 0 1 0 0 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0 0 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 0 0 0 0 1 1 0 0 1 0 1 0 0 0 0 0 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 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1.97/2.04	d CHECKS 647487
1.97/2.04	d ASSIGNMENTS 908

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-1061309-1215132096/watcher-1061309-1215132096 -o /tmp/evaluation-result-1061309-1215132096/solver-1061309-1215132096 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1061309-1215132096.xml -v 1 -rs 384055199 -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: 1.89 1.97 1.99 4/74 8810
/proc/meminfo: memFree=1595944/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=820 CPUtime=0
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 39 0 0 0 0 0 0 0 19 0 1 0 1542881426 839680 25 996147200 134512640 135239859 4294956144 18446744073709551615 11879204 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 205 25 19 177 0 3 0

[startup+0.082858 s]
/proc/loadavg: 1.89 1.97 1.99 4/74 8810
/proc/meminfo: memFree=1595944/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=6176 CPUtime=0.07
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 876 0 0 0 7 0 0 0 18 0 1 0 1542881426 6324224 842 996147200 134512640 135239859 4294956144 18446744073709551615 4159732840 0 0 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 1544 842 398 177 0 447 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6176

[startup+0.102858 s]
/proc/loadavg: 1.89 1.97 1.99 4/74 8810
/proc/meminfo: memFree=1595944/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=6448 CPUtime=0.09
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 952 0 0 0 9 0 0 0 18 0 1 0 1542881426 6602752 918 996147200 134512640 135239859 4294956144 18446744073709551615 134643023 0 0 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 1612 918 398 177 0 515 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6448

[startup+0.30189 s]
/proc/loadavg: 1.89 1.97 1.99 4/74 8810
/proc/meminfo: memFree=1595944/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=9592 CPUtime=0.29
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 1708 0 0 0 28 1 0 0 19 0 1 0 1542881426 9822208 1674 996147200 134512640 135239859 4294956144 18446744073709551615 134553121 0 0 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 2398 1674 398 177 0 1301 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9592

[startup+0.702946 s]
/proc/loadavg: 1.89 1.97 1.99 4/74 8810
/proc/meminfo: memFree=1595944/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=15448 CPUtime=0.69
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 3248 0 0 0 67 2 0 0 23 0 1 0 1542881426 15818752 3148 996147200 134512640 135239859 4294956144 18446744073709551615 134707906 0 0 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 3862 3148 398 177 0 2765 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15448

[startup+1.50206 s]
/proc/loadavg: 1.89 1.97 1.99 3/75 8811
/proc/meminfo: memFree=1580256/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=58808 CPUtime=1.48
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 14300 0 0 0 141 7 0 0 25 0 1 0 1542881426 60219392 13798 996147200 134512640 135239859 4294956144 18446744073709551615 135097633 0 0 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 14702 13798 435 177 0 13605 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 58808

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

[startup+1.90212 s]
/proc/loadavg: 1.89 1.97 1.99 3/75 8811
/proc/meminfo: memFree=1580256/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=58808 CPUtime=1.88
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 14300 0 0 0 181 7 0 0 25 0 1 0 1542881426 60219392 13798 996147200 134512640 135239859 4294956144 18446744073709551615 134803091 0 0 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 14702 13798 435 177 0 13605 0
Current children cumulated CPU time (s) 1.88
Current children cumulated vsize (KiB) 58808

[startup+2.10113 s]
/proc/loadavg: 1.89 1.97 1.99 3/75 8811
/proc/meminfo: memFree=1541856/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=59188 CPUtime=2.07
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 14473 0 0 0 200 7 0 0 25 0 1 0 1542881426 60608512 13809 996147200 134512640 135239859 4294956144 18446744073709551615 135043310 0 0 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 14797 13809 438 177 0 13700 0
Current children cumulated CPU time (s) 2.07
Current children cumulated vsize (KiB) 59188

[startup+2.20615 s]
/proc/loadavg: 1.89 1.97 1.99 3/75 8811
/proc/meminfo: memFree=1541856/2055920 swapFree=4180424/4192956
[pid=8810] ppid=8808 vsize=23004 CPUtime=2.16
/proc/8810/stat : 8810 (xsolve) R 8808 8810 8087 0 -1 4194304 14481 0 0 0 209 7 0 0 25 0 1 0 1542881426 23556096 4960 996147200 134512640 135239859 4294956144 18446744073709551615 12308549 0 0 4096 0 0 0 0 17 1 0 0
/proc/8810/statm: 5751 4960 446 177 0 4654 0
Current children cumulated CPU time (s) 2.16
Current children cumulated vsize (KiB) 23004

Child status: 0
Real time (s): 2.25305
CPU time (s): 2.22266
CPU user time (s): 2.14067
CPU system time (s): 0.081987
CPU usage (%): 98.6512
Max. virtual memory (cumulated for all children) (KiB): 59188

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.14067
system time used= 0.081987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14482
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= 84

runsolver used 0.006998 second user time and 0.013997 second system time

The end

Launcher Data (download as text)

Begin job on node13 at 2008-07-04 02:41:36
IDJOB=1061309
IDBENCH=54539
IDSOLVER=342
FILE ID=node13/1061309-1215132096
PBS_JOBID= 7877211
Free space on /tmp= 66548 MiB

SOLVER NAME= MDG-probe 2008-06-27
BENCH NAME= CPAI08/csp/pseudo/ii/normalized-ii-16a2.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-1061309-1215132096/watcher-1061309-1215132096 -o /tmp/evaluation-result-1061309-1215132096/solver-1061309-1215132096 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1061309-1215132096.xml -v 1 -rs 384055199 -probe 1 -ph 0 -heu dom/wdeg -res no

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 7cf252c06501ff14df84153e45462aac
RANDOM SEED=384055199

node13.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		: 3000.238
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		: 3000.238
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:       1596424 kB
Buffers:         68804 kB
Cached:         270648 kB
SwapCached:       6668 kB
Active:         207352 kB
Inactive:       173340 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1596424 kB
SwapTotal:     4192956 kB
SwapFree:      4180424 kB
Dirty:            4176 kB
Writeback:           0 kB
Mapped:          48380 kB
Slab:            63796 kB
Committed_AS:  2939296 kB
PageTables:       2012 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= 66548 MiB
End job on node13 at 2008-07-04 02:41:39