Trace number 2087577

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 2.50862 2.5353

DiagnosticValue
ASSIGNMENTS801

General information on the benchmark

Namecsp/os-taillard-10/
normalized-os-taillard-10-100-1.xml
MD5SUMb83db8d02d2041055b7635deab62e87a
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 benchmark0.771881
Satisfiable
(Un)Satisfiability was proved
Number of variables100
Number of constraints900
Maximum constraint arity2
Maximum domain size587
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
0.17/0.21	c Seed is 279947062
0.17/0.21	c Constructing HOME/instance-2087577-1247727836.xml  with 6300 constraints
0.17/0.21	c Solving 801 backtracks 8 restarts
2.46/2.53	s SATISFIABLE
2.46/2.53	c V0=0, V1=145, V2=296, V3=242, V4=260, V5=333, V6=95, V7=558, V8=410, V9=461, V10=482, V11=94, V12=437, V13=0, V14=252, V15=581, V16=190, V17=333, V18=88, V19=126, V20=173, V21=250, V22=442, V23=460, V24=396, V25=45, V26=343, V27=88, V28=542, V29=491, V30=371, V31=0, V32=485, V33=57, V34=410, V35=155, V36=300, V37=142, V38=388, V39=250, V40=297, V41=491, V42=0, V43=477, V44=542, V45=396, V46=88, V47=513, V48=155, V49=242, V50=305, V51=0, V52=246, V53=437, V54=50, V55=542, V56=343, V57=296, V58=126, V59=405, V60=393, V61=206, V62=477, V63=297, V64=0, V65=282, V66=386, V67=155, V68=33, V69=57, V70=173, V71=325, V72=269, V73=0, V74=82, V75=393, V76=302, V77=485, V78=572, V79=259, V80=142, V81=0, V82=282, V83=50, V84=82, V85=88, V86=357, V87=52, V88=159, V89=572, V90=0, V91=386, V92=343, V93=95, V94=325, V95=405, V96=460, V97=252, V98=206, V99=513, 
2.46/2.53	v 0 145 296 242 260 333 95 558 410 461 482 94 437 0 252 581 190 333 88 126 173 250 442 460 396 45 343 88 542 491 371 0 485 57 410 155 300 142 388 250 297 491 0 477 542 396 88 513 155 242 305 0 246 437 50 542 343 296 126 405 393 206 477 297 0 282 386 155 33 57 173 325 269 0 82 393 302 485 572 259 142 0 282 50 82 88 357 52 159 572 0 386 343 95 325 405 460 252 206 513 
2.46/2.53	d ASSIGNMENTS 801

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-2087577-1247727836/watcher-2087577-1247727836 -o /tmp/evaluation-result-2087577-1247727836/solver-2087577-1247727836 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 279947062 HOME/instance-2087577-1247727836.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: 2.13 2.04 2.01 4/81 14866
/proc/meminfo: memFree=1452360/2055920 swapFree=4192812/4192956
[pid=14866] ppid=14864 vsize=5356 CPUtime=0
/proc/14866/stat : 14866 (pcssolve) R 14864 14866 14355 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 59850502 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 231962372767 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14866/statm: 1339 241 200 169 0 50 0
[pid=14867] ppid=14866 vsize=0 CPUtime=0
/proc/14867/stat : 14867 (pcssolve) R 14866 14866 14355 0 -1 4194368 22 0 0 0 0 0 0 0 22 0 1 0 59850503 0 0 996147200 0 0 0 18446744073709551615 231962373415 0 0 4096 0 0 0 0 17 1 0 0
/proc/14867/statm: 0 0 0 0 0 0 0
[pid=14868] ppid=14866 vsize=5356 CPUtime=0
/proc/14868/stat : 14868 (pcssolve) R 14866 14866 14355 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 59850503 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 231962372767 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14868/statm: 1339 241 200 169 0 50 0

[startup+0.0760641 s]
/proc/loadavg: 2.13 2.04 2.01 4/81 14866
/proc/meminfo: memFree=1452360/2055920 swapFree=4192812/4192956
[pid=14866] ppid=14864 vsize=5900 CPUtime=0.05
/proc/14866/stat : 14866 (pcs.big) R 14864 14866 14355 0 -1 4194304 1125 659 0 0 5 0 0 0 18 0 1 0 59850502 6041600 756 996147200 134512640 135215973 4294956304 18446744073709551615 4159314566 0 0 4096 0 0 0 0 17 1 0 0
/proc/14866/statm: 1475 756 388 171 0 400 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 5900

[startup+0.101057 s]
/proc/loadavg: 2.13 2.04 2.01 4/81 14866
/proc/meminfo: memFree=1452360/2055920 swapFree=4192812/4192956
[pid=14866] ppid=14864 vsize=6472 CPUtime=0.08
/proc/14866/stat : 14866 (pcs.big) R 14864 14866 14355 0 -1 4194304 1284 659 0 0 8 0 0 0 18 0 1 0 59850502 6627328 841 996147200 134512640 135215973 4294956304 18446744073709551615 4158933687 0 0 4096 0 0 0 0 17 1 0 0
/proc/14866/statm: 1618 841 388 171 0 543 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6472

[startup+0.301002 s]
/proc/loadavg: 2.13 2.04 2.01 4/81 14866
/proc/meminfo: memFree=1452360/2055920 swapFree=4192812/4192956
[pid=14866] ppid=14864 vsize=9004 CPUtime=0.27
/proc/14866/stat : 14866 (pcs.big) R 14864 14866 14355 0 -1 4194304 2114 659 0 0 27 0 0 0 19 0 1 0 59850502 9220096 1458 996147200 134512640 135215973 4294956304 18446744073709551615 134600485 0 0 4096 0 0 0 0 17 1 0 0
/proc/14866/statm: 2251 1458 406 171 0 1176 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 9004

[startup+0.701888 s]
/proc/loadavg: 2.13 2.04 2.01 4/81 14866
/proc/meminfo: memFree=1452360/2055920 swapFree=4192812/4192956
[pid=14866] ppid=14864 vsize=9160 CPUtime=0.67
/proc/14866/stat : 14866 (pcs.big) R 14864 14866 14355 0 -1 4194304 2170 659 0 0 67 0 0 0 23 0 1 0 59850502 9379840 1514 996147200 134512640 135215973 4294956304 18446744073709551615 134588292 0 0 4096 0 0 0 0 17 1 0 0
/proc/14866/statm: 2290 1514 406 171 0 1215 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 9160

[startup+1.50166 s]
/proc/loadavg: 2.13 2.04 2.01 3/82 14871
/proc/meminfo: memFree=1447616/2055920 swapFree=4192812/4192956
[pid=14866] ppid=14864 vsize=9496 CPUtime=1.46
/proc/14866/stat : 14866 (pcs.big) R 14864 14866 14355 0 -1 4194304 2258 659 0 0 146 0 0 0 25 0 1 0 59850502 9723904 1602 996147200 134512640 135215973 4294956304 18446744073709551615 4158960027 0 0 4096 0 0 0 0 17 1 0 0
/proc/14866/statm: 2374 1602 406 171 0 1299 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 9496

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

[startup+2.30142 s]
/proc/loadavg: 2.13 2.04 2.01 3/82 14871
/proc/meminfo: memFree=1446656/2055920 swapFree=4192812/4192956
[pid=14866] ppid=14864 vsize=10320 CPUtime=2.25
/proc/14866/stat : 14866 (pcs.big) R 14864 14866 14355 0 -1 4194304 2468 659 0 0 225 0 0 0 25 0 1 0 59850502 10567680 1812 996147200 134512640 135215973 4294956304 18446744073709551615 134588283 0 0 4096 0 0 0 0 17 1 0 0
/proc/14866/statm: 2580 1812 406 171 0 1505 0
Current children cumulated CPU time (s) 2.25
Current children cumulated vsize (KiB) 10320

[startup+2.50138 s]
/proc/loadavg: 2.13 2.04 2.01 3/82 14871
/proc/meminfo: memFree=1446656/2055920 swapFree=4192812/4192956
[pid=14866] ppid=14864 vsize=12368 CPUtime=2.46
/proc/14866/stat : 14866 (pcs.big) R 14864 14866 14355 0 -1 4194304 2661 659 0 0 245 1 0 0 25 0 1 0 59850502 12664832 2005 996147200 134512640 135215973 4294956304 18446744073709551615 7640699 0 0 4096 0 0 0 0 17 1 0 0
/proc/14866/statm: 3092 2005 406 171 0 2017 0
Current children cumulated CPU time (s) 2.46
Current children cumulated vsize (KiB) 12368

Child status: 0
Real time (s): 2.5353
CPU time (s): 2.50862
CPU user time (s): 2.48762
CPU system time (s): 0.020996
CPU usage (%): 98.9475
Max. virtual memory (cumulated for all children) (KiB): 12368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.48762
system time used= 0.020996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3637
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= 21
involuntary context switches= 112

runsolver used 0.008998 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node16 at 2009-07-16 09:03:56
IDJOB=2087577
IDBENCH=58745
IDSOLVER=734
FILE ID=node16/2087577-1247727836
PBS_JOBID= 9521524
Free space on /tmp= 66416 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/os-taillard-10/normalized-os-taillard-10-100-1.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2087577-1247727836/watcher-2087577-1247727836 -o /tmp/evaluation-result-2087577-1247727836/solver-2087577-1247727836 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 279947062 HOME/instance-2087577-1247727836.xml

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

MD5SUM BENCH= b83db8d02d2041055b7635deab62e87a
RANDOM SEED=279947062

node16.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:       1452840 kB
Buffers:         74336 kB
Cached:         398876 kB
SwapCached:          0 kB
Active:         106164 kB
Inactive:       427368 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1452840 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1848 kB
Writeback:           0 kB
Mapped:          80772 kB
Slab:            54580 kB
Committed_AS:   572488 kB
PageTables:       2004 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= 66412 MiB
End job on node16 at 2009-07-16 09:03:59