Trace number 2071088

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
pcs-restart 0.3.2SAT 1.58076 1.59203

DiagnosticValue
ASSIGNMENTS1031

General information on the benchmark

Namecsp/golombRulerArity4/
normalized-ruler-34-8-a4.xml
MD5SUM524f5c601faa3cbd56197d545e9de63a
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 benchmark0.12198
Satisfiable
(Un)Satisfiability was proved
Number of variables8
Number of constraints350
Maximum constraint arity4
Maximum domain size35
Number of constraints which are defined in extension0
Number of constraints which are defined in intension350
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c has big domains
0.00/0.01	c big-domain mode
0.28/0.32	c Seed is 786261067
0.28/0.32	c Constructing HOME/instance-2071088-1247709566.xml 
0.28/0.32	c deduced all_different(V11,V23,V28,V32,V35,V37,V10)
0.28/0.32	c deduced all_different(V11,V23,V28,V32,V35,V37,V12)
0.28/0.32	c deduced all_different(V10,V23,V28,V32,V35,V37,V13)
0.28/0.32	c deduced all_different(V11,V23,V28,V32,V35,V37,V14)
0.28/0.32	c deduced all_different(V10,V23,V28,V32,V35,V37,V15)
0.28/0.32	c deduced all_different(V11,V23,V28,V32,V35,V37,V16)
0.28/0.32	c deduced all_different(V10,V23,V28,V32,V35,V37,V17)
0.28/0.32	c deduced all_different(V11,V23,V28,V32,V35,V37,V18)
0.28/0.32	c deduced all_different(V10,V23,V28,V32,V35,V37,V19)
0.28/0.32	c deduced all_different(V11,V23,V28,V32,V35,V37,V20)
0.28/0.32	c deduced all_different(V10,V23,V28,V32,V35,V37,V21)
0.28/0.32	c deduced all_different(V11,V23,V28,V32,V35,V37,V22)
0.28/0.32	c deduced all_different(V10,V11,V28,V32,V35,V37,V24)
0.28/0.32	c deduced all_different(V10,V11,V28,V32,V35,V37,V25)
0.28/0.32	c deduced all_different(V10,V11,V28,V32,V35,V37,V26)
0.28/0.32	c deduced all_different(V10,V11,V28,V32,V35,V37,V27)
0.28/0.32	c deduced all_different(V10,V11,V23,V32,V35,V37,V29)
0.28/0.32	c deduced all_different(V10,V11,V23,V32,V35,V37,V30)
0.28/0.32	c deduced all_different(V10,V11,V23,V32,V35,V37,V31)
0.28/0.32	c deduced all_different(V10,V11,V23,V28,V35,V37,V33)
0.28/0.32	c deduced all_different(V10,V11,V23,V28,V35,V37,V34)
0.28/0.32	c deduced all_different(V10,V11,V23,V28,V32,V37,V36)
0.28/0.32	c  with 400 constraints
0.28/0.32	c Solving 1031 backtracks 8 restarts
1.47/1.59	s SATISFIABLE
1.47/1.59	c V0=0, V1=1, V2=4, V3=9, V4=15, V5=22, V6=32, V7=34, 
1.47/1.59	v 0 1 4 9 15 22 32 34 
1.47/1.59	d ASSIGNMENTS 1031

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2071088-1247709566/watcher-2071088-1247709566 -o /tmp/evaluation-result-2071088-1247709566/solver-2071088-1247709566 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 786261067 HOME/instance-2071088-1247709566.xml 

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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.92 1.95 1.99 4/72 11798
/proc/meminfo: memFree=1617456/2055920 swapFree=4192812/4192956
[pid=11798] ppid=11796 vsize=5356 CPUtime=0
/proc/11798/stat : 11798 (pcssolve) S 11796 11798 11730 0 -1 4194304 305 0 0 0 0 0 0 0 20 0 1 0 58020594 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 269930259268 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/11798/statm: 1339 242 201 169 0 50 0
[pid=11799] ppid=11798 vsize=5356 CPUtime=0
/proc/11799/stat : 11799 (pcssolve) R 11798 11798 11730 0 -1 4194368 22 0 0 0 0 0 0 0 21 0 1 0 58020594 5484544 243 996147200 4194304 4889804 548682068800 18446744073709551615 269930261799 0 0 4096 0 0 0 0 17 0 0 0
/proc/11799/statm: 1339 243 202 169 0 50 0
[pid=11800] ppid=11798 vsize=3676 CPUtime=0
/proc/11800/stat : 11800 (grep) S 11798 11798 11730 0 -1 4194304 154 0 0 0 0 0 0 0 20 0 1 0 58020594 3764224 121 996147200 4194304 4274172 548682069040 18446744073709551615 269930430546 0 0 4096 0 18446744071563648864 0 0 17 1 0 0
/proc/11800/statm: 919 121 99 19 0 43 0

[startup+0.037057 s]
/proc/loadavg: 1.92 1.95 1.99 4/72 11798
/proc/meminfo: memFree=1617456/2055920 swapFree=4192812/4192956
[pid=11798] ppid=11796 vsize=4628 CPUtime=0.02
/proc/11798/stat : 11798 (pcs.big) R 11796 11798 11730 0 -1 4194304 864 656 0 0 2 0 0 0 17 0 1 0 58020594 4739072 495 996147200 134512640 135215973 4294956304 18446744073709551615 9211526 0 0 4096 0 0 0 0 17 1 0 0
/proc/11798/statm: 1157 495 410 171 0 82 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4628

[startup+0.101064 s]
/proc/loadavg: 1.92 1.95 1.99 4/72 11798
/proc/meminfo: memFree=1617456/2055920 swapFree=4192812/4192956
[pid=11798] ppid=11796 vsize=4628 CPUtime=0.08
/proc/11798/stat : 11798 (pcs.big) R 11796 11798 11730 0 -1 4194304 870 656 0 0 8 0 0 0 17 0 1 0 58020594 4739072 501 996147200 134512640 135215973 4294956304 18446744073709551615 4158960129 0 0 4096 0 0 0 0 17 1 0 0
/proc/11798/statm: 1157 501 410 171 0 82 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4628

[startup+0.301087 s]
/proc/loadavg: 1.92 1.95 1.99 4/72 11798
/proc/meminfo: memFree=1617456/2055920 swapFree=4192812/4192956
[pid=11798] ppid=11796 vsize=4888 CPUtime=0.28
/proc/11798/stat : 11798 (pcs.big) R 11796 11798 11730 0 -1 4194304 922 656 0 0 28 0 0 0 18 0 1 0 58020594 5005312 553 996147200 134512640 135215973 4294956304 18446744073709551615 4158960185 0 0 4096 0 0 0 0 17 1 0 0
/proc/11798/statm: 1222 553 410 171 0 147 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 4888

[startup+0.701135 s]
/proc/loadavg: 1.92 1.95 1.99 4/72 11798
/proc/meminfo: memFree=1617456/2055920 swapFree=4192812/4192956
[pid=11798] ppid=11796 vsize=5284 CPUtime=0.68
/proc/11798/stat : 11798 (pcs.big) R 11796 11798 11730 0 -1 4194304 1011 656 0 0 68 0 0 0 22 0 1 0 58020594 5410816 642 996147200 134512640 135215973 4294956304 18446744073709551615 134640984 0 0 4096 0 0 0 0 17 1 0 0
/proc/11798/statm: 1321 642 410 171 0 246 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 5284

[startup+1.50123 s]
/proc/loadavg: 1.92 1.95 1.99 3/73 11803
/proc/meminfo: memFree=1615976/2055920 swapFree=4192812/4192956
[pid=11798] ppid=11796 vsize=6016 CPUtime=1.47
/proc/11798/stat : 11798 (pcs.big) R 11796 11798 11730 0 -1 4194304 1206 656 0 0 147 0 0 0 25 0 1 0 58020594 6160384 837 996147200 134512640 135215973 4294956304 18446744073709551615 134600115 0 0 4096 0 0 0 0 17 1 0 0
/proc/11798/statm: 1504 837 410 171 0 429 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 6016

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

Child status: 0
Real time (s): 1.59203
CPU time (s): 1.58076
CPU user time (s): 1.56876
CPU system time (s): 0.011998
CPU usage (%): 99.2922
Max. virtual memory (cumulated for all children) (KiB): 6016

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.56876
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1885
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= 19
involuntary context switches= 24

runsolver used 0.004999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node53 at 2009-07-16 03:59:26
IDJOB=2071088
IDBENCH=55434
IDSOLVER=734
FILE ID=node53/2071088-1247709566
PBS_JOBID= 9521370
Free space on /tmp= 66048 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/golombRulerArity4/normalized-ruler-34-8-a4.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2071088-1247709566/watcher-2071088-1247709566 -o /tmp/evaluation-result-2071088-1247709566/solver-2071088-1247709566 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 786261067 HOME/instance-2071088-1247709566.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 524f5c601faa3cbd56197d545e9de63a
RANDOM SEED=786261067

node53.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:       1617872 kB
Buffers:         57848 kB
Cached:         289904 kB
SwapCached:          0 kB
Active:          59204 kB
Inactive:       311620 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1617872 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2004 kB
Writeback:           0 kB
Mapped:          32424 kB
Slab:            52704 kB
Committed_AS:   512924 kB
PageTables:       1708 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= 66048 MiB
End job on node53 at 2009-07-16 03:59:27