Trace number 2087599

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 1.66974 1.69112

DiagnosticValue
ASSIGNMENTS354

General information on the benchmark

Namecsp/os-taillard-10/
normalized-os-taillard-10-105-0.xml
MD5SUM19af59ef491e51a4f7a48130718bf9ce
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.239962
Satisfiable
(Un)Satisfiability was proved
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size675
Number of constraints which are defined in extension0
Number of constraints which are defined in intension900
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
0.00/0.02	c Seed is 422449521
0.00/0.02	c Constructing HOME/instance-2087599-1247727899.xml  with 6300 constraints
0.08/0.11	c Solving 354 backtracks 6 restarts
1.57/1.69	s SATISFIABLE
1.57/1.69	c V0=289, V1=44, V2=485, V3=538, V4=629, V5=337, V6=433, V7=208, V8=546, V9=140, V10=111, V11=0, V12=650, V13=536, V14=465, V15=60, V16=82, V17=319, V18=634, V19=203, V20=337, V21=520, V22=433, V23=652, V24=267, V25=0, V26=182, V27=558, V28=6, V29=96, V30=453, V31=157, V32=0, V33=539, V34=413, V35=246, V36=90, V37=605, V38=337, V39=470, V40=97, V41=512, V42=399, V43=156, V44=597, V45=0, V46=168, V47=51, V48=617, V49=188, V50=539, V51=474, V52=428, V53=598, V54=10, V55=331, V56=248, V57=609, V58=96, V59=194, V60=404, V61=583, V62=497, V63=97, V64=292, V65=632, V66=42, V67=0, V68=248, V69=208, V70=205, V71=337, V72=497, V73=240, V74=140, V75=0, V76=590, V77=448, V78=60, V79=361, V80=376, V81=501, V82=623, V83=168, V84=39, V85=558, V86=240, V87=111, V88=0, V89=337, V90=642, V91=540, V92=90, V93=195, V94=608, V95=331, V96=236, V97=163, V98=6, V99=413, 
1.57/1.69	v 289 44 485 538 629 337 433 208 546 140 111 0 650 536 465 60 82 319 634 203 337 520 433 652 267 0 182 558 6 96 453 157 0 539 413 246 90 605 337 470 97 512 399 156 597 0 168 51 617 188 539 474 428 598 10 331 248 609 96 194 404 583 497 97 292 632 42 0 248 208 205 337 497 240 140 0 590 448 60 361 376 501 623 168 39 558 240 111 0 337 642 540 90 195 608 331 236 163 6 413 
1.57/1.69	d ASSIGNMENTS 354

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-2087599-1247727899/watcher-2087599-1247727899 -o /tmp/evaluation-result-2087599-1247727899/solver-2087599-1247727899 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 422449521 HOME/instance-2087599-1247727899.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 1.98 1.99 4/81 17222
/proc/meminfo: memFree=1398808/2055920 swapFree=4192812/4192956
[pid=17222] ppid=17220 vsize=18576 CPUtime=0
/proc/17222/stat : 17222 (runsolver) R 17220 17222 17154 0 -1 4194368 15 0 0 0 0 0 0 0 24 0 1 0 59852597 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 237947645223 0 0 4096 24578 0 0 0 17 1 0 0
/proc/17222/statm: 4644 284 249 26 0 2626 0

[startup+0.0398951 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 17222
/proc/meminfo: memFree=1398808/2055920 swapFree=4192812/4192956
[pid=17222] ppid=17220 vsize=5076 CPUtime=0.02
/proc/17222/stat : 17222 (pcs.big) R 17220 17222 17154 0 -1 4194304 921 659 0 0 2 0 0 0 25 0 1 0 59852597 5197824 552 996147200 134512640 135215973 4294956304 18446744073709551615 134736083 0 0 4096 0 0 0 0 17 1 0 0
/proc/17222/statm: 1269 552 388 171 0 194 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5076

[startup+0.101902 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 17222
/proc/meminfo: memFree=1398808/2055920 swapFree=4192812/4192956
[pid=17222] ppid=17220 vsize=6476 CPUtime=0.08
/proc/17222/stat : 17222 (pcs.big) R 17220 17222 17154 0 -1 4194304 1290 659 0 0 8 0 0 0 25 0 1 0 59852597 6631424 847 996147200 134512640 135215973 4294956304 18446744073709551615 134590485 0 0 4096 0 0 0 0 17 1 0 0
/proc/17222/statm: 1619 847 388 171 0 544 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6476

[startup+0.30192 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 17222
/proc/meminfo: memFree=1398808/2055920 swapFree=4192812/4192956
[pid=17222] ppid=17220 vsize=10212 CPUtime=0.28
/proc/17222/stat : 17222 (pcs.big) R 17220 17222 17154 0 -1 4194304 2520 659 0 0 27 1 0 0 25 0 1 0 59852597 10457088 1655 996147200 134512640 135215973 4294956304 18446744073709551615 134902603 0 0 4096 0 0 0 0 17 1 0 0
/proc/17222/statm: 2553 1655 406 171 0 1478 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10212

[startup+0.701956 s]
/proc/loadavg: 1.92 1.98 1.99 4/81 17222
/proc/meminfo: memFree=1398808/2055920 swapFree=4192812/4192956
[pid=17222] ppid=17220 vsize=10320 CPUtime=0.68
/proc/17222/stat : 17222 (pcs.big) R 17220 17222 17154 0 -1 4194304 2537 659 0 0 67 1 0 0 25 0 1 0 59852597 10567680 1672 996147200 134512640 135215973 4294956304 18446744073709551615 134532714 0 0 4096 0 0 0 0 17 1 0 0
/proc/17222/statm: 2580 1672 406 171 0 1505 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 10320

[startup+1.50202 s]
/proc/loadavg: 1.92 1.98 1.99 3/82 17227
/proc/meminfo: memFree=1393552/2055920 swapFree=4192812/4192956
[pid=17222] ppid=17220 vsize=10568 CPUtime=1.47
/proc/17222/stat : 17222 (pcs.big) R 17220 17222 17154 0 -1 4194304 2595 659 0 0 146 1 0 0 25 0 1 0 59852597 10821632 1730 996147200 134512640 135215973 4294956304 18446744073709551615 134585694 0 0 4096 0 0 0 0 17 1 0 0
/proc/17222/statm: 2642 1730 406 171 0 1567 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 10568

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

[startup+1.60103 s]
/proc/loadavg: 1.92 1.98 1.99 3/82 17227
/proc/meminfo: memFree=1393552/2055920 swapFree=4192812/4192956
[pid=17222] ppid=17220 vsize=10568 CPUtime=1.57
/proc/17222/stat : 17222 (pcs.big) R 17220 17222 17154 0 -1 4194304 2599 659 0 0 156 1 0 0 25 0 1 0 59852597 10821632 1734 996147200 134512640 135215973 4294956304 18446744073709551615 134587297 0 0 4096 0 0 0 0 17 1 0 0
/proc/17222/statm: 2642 1734 406 171 0 1567 0
Current children cumulated CPU time (s) 1.57
Current children cumulated vsize (KiB) 10568

Child status: 0
Real time (s): 1.69112
CPU time (s): 1.66974
CPU user time (s): 1.65275
CPU system time (s): 0.016997
CPU usage (%): 98.7361
Max. virtual memory (cumulated for all children) (KiB): 10568

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.65275
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3326
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= 82

runsolver used 0.002999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node69 at 2009-07-16 09:04:59
IDJOB=2087599
IDBENCH=58748
IDSOLVER=734
FILE ID=node69/2087599-1247727899
PBS_JOBID= 9521652
Free space on /tmp= 66420 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/os-taillard-10/normalized-os-taillard-10-105-0.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2087599-1247727899/watcher-2087599-1247727899 -o /tmp/evaluation-result-2087599-1247727899/solver-2087599-1247727899 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 422449521 HOME/instance-2087599-1247727899.xml

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

MD5SUM BENCH= 19af59ef491e51a4f7a48130718bf9ce
RANDOM SEED=422449521

node69.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		: 3000.211
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		: 3000.211
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:       1399288 kB
Buffers:         87324 kB
Cached:         445252 kB
SwapCached:          0 kB
Active:         162948 kB
Inactive:       412820 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1399288 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2232 kB
Writeback:           0 kB
Mapped:          63640 kB
Slab:            65944 kB
Committed_AS:   609028 kB
PageTables:       2016 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= 66416 MiB
End job on node69 at 2009-07-16 09:05:01