Trace number 2068459

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 0.3.2UNSAT 1.36579 1.3845

DiagnosticValue
ASSIGNMENTS64

General information on the benchmark

Namecsp/pseudo/primesDimacs/
normalized-bf-1355-075.xml
MD5SUMb8a060a50997549131721c2244d1d2c8
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.704891
Satisfiable
(Un)Satisfiability was proved
Number of variables4360
Number of constraints8953
Maximum constraint arity6
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension8953
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c has operations which may create big domains
0.00/0.02	c big-domain mode
0.00/0.03	c Seed is 521678376
0.00/0.03	c Constructing HOME/instance-2068459-1247706597.xml  with 25107 constraints
0.56/0.62	c Solving 64 backtracks 2 restarts
1.26/1.38	s UNSATISFIABLE
1.26/1.38	d ASSIGNMENTS 64

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2068459-1247706597/watcher-2068459-1247706597 -o /tmp/evaluation-result-2068459-1247706597/solver-2068459-1247706597 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 521678376 HOME/instance-2068459-1247706597.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: 2.00 2.05 2.06 4/82 11597
/proc/meminfo: memFree=1441912/2055920 swapFree=4192812/4192956
[pid=11597] ppid=11595 vsize=18576 CPUtime=0
/proc/11597/stat : 11597 (runsolver) R 11595 11597 9811 0 -1 4194368 15 0 0 0 0 0 0 0 22 0 1 0 57723615 19021824 284 996147200 4194304 4302564 548682068496 18446744073709551615 259415141671 0 0 4096 24578 0 0 0 17 1 0 0
/proc/11597/statm: 4644 284 249 26 0 2626 0

[startup+0.050441 s]
/proc/loadavg: 2.00 2.05 2.06 4/82 11597
/proc/meminfo: memFree=1441912/2055920 swapFree=4192812/4192956
[pid=11597] ppid=11595 vsize=4928 CPUtime=0.02
/proc/11597/stat : 11597 (pcs.big) R 11595 11597 9811 0 -1 4194304 917 826 0 0 2 0 0 0 25 0 1 0 57723615 5046272 526 996147200 134512640 135215973 4294956304 18446744073709551615 4160505352 0 0 4096 0 0 0 0 17 1 0 0
/proc/11597/statm: 1232 526 361 171 0 157 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4928

[startup+0.102451 s]
/proc/loadavg: 2.00 2.05 2.06 4/82 11597
/proc/meminfo: memFree=1441912/2055920 swapFree=4192812/4192956
[pid=11597] ppid=11595 vsize=6260 CPUtime=0.07
/proc/11597/stat : 11597 (pcs.big) R 11595 11597 9811 0 -1 4194304 1288 826 0 0 7 0 0 0 25 0 1 0 57723615 6410240 813 996147200 134512640 135215973 4294956304 18446744073709551615 4159744571 0 0 4096 0 0 0 0 17 1 0 0
/proc/11597/statm: 1565 813 385 171 0 490 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6260

[startup+0.301493 s]
/proc/loadavg: 2.00 2.05 2.06 4/82 11597
/proc/meminfo: memFree=1441912/2055920 swapFree=4192812/4192956
[pid=11597] ppid=11595 vsize=8992 CPUtime=0.27
/proc/11597/stat : 11597 (pcs.big) R 11595 11597 9811 0 -1 4194304 2114 826 0 0 26 1 0 0 25 0 1 0 57723615 9207808 1374 996147200 134512640 135215973 4294956304 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11597/statm: 2248 1374 385 171 0 1173 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 8992

[startup+0.702571 s]
/proc/loadavg: 2.00 2.05 2.06 4/82 11597
/proc/meminfo: memFree=1441912/2055920 swapFree=4192812/4192956
[pid=11597] ppid=11595 vsize=16696 CPUtime=0.66
/proc/11597/stat : 11597 (pcs.big) R 11595 11597 9811 0 -1 4194304 4856 826 0 0 64 2 0 0 25 0 1 0 57723615 17096704 3249 996147200 134512640 135215973 4294956304 18446744073709551615 134585694 0 0 4096 0 0 0 0 17 1 0 0
/proc/11597/statm: 4174 3249 406 171 0 3099 0
Current children cumulated CPU time (s) 0.66
Current children cumulated vsize (KiB) 16696

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

[startup+1.10764 s]
/proc/loadavg: 2.00 2.05 2.06 3/83 11603
/proc/meminfo: memFree=1427496/2055920 swapFree=4192812/4192956
[pid=11597] ppid=11595 vsize=21140 CPUtime=1.06
/proc/11597/stat : 11597 (pcs.big) R 11595 11597 9811 0 -1 4194304 6236 826 0 0 104 2 0 0 25 0 1 0 57723615 21647360 3997 996147200 134512640 135215973 4294956304 18446744073709551615 134641100 0 0 4096 0 0 0 0 17 1 0 0
/proc/11597/statm: 5285 3997 409 171 0 4210 0
Current children cumulated CPU time (s) 1.06
Current children cumulated vsize (KiB) 21140

[startup+1.30269 s]
/proc/loadavg: 2.00 2.05 2.06 3/83 11603
/proc/meminfo: memFree=1427496/2055920 swapFree=4192812/4192956
[pid=11597] ppid=11595 vsize=21268 CPUtime=1.26
/proc/11597/stat : 11597 (pcs.big) R 11595 11597 9811 0 -1 4194304 6341 826 0 0 123 3 0 0 25 0 1 0 57723615 21778432 4102 996147200 134512640 135215973 4294956304 18446744073709551615 134911253 0 0 4096 0 0 0 0 17 1 0 0
/proc/11597/statm: 5317 4102 409 171 0 4242 0
Current children cumulated CPU time (s) 1.26
Current children cumulated vsize (KiB) 21268

Child status: 0
Real time (s): 1.3845
CPU time (s): 1.36579
CPU user time (s): 1.3218
CPU system time (s): 0.043993
CPU usage (%): 98.649
Max. virtual memory (cumulated for all children) (KiB): 21268

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.3218
system time used= 0.043993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7201
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= 22
involuntary context switches= 59

runsolver used 0.003999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node42 at 2009-07-16 03:09:57
IDJOB=2068459
IDBENCH=54867
IDSOLVER=734
FILE ID=node42/2068459-1247706597
PBS_JOBID= 9521227
Free space on /tmp= 66292 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/pseudo/primesDimacs/normalized-bf-1355-075.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2068459-1247706597/watcher-2068459-1247706597 -o /tmp/evaluation-result-2068459-1247706597/solver-2068459-1247706597 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 521678376 HOME/instance-2068459-1247706597.xml

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

MD5SUM BENCH= b8a060a50997549131721c2244d1d2c8
RANDOM SEED=521678376

node42.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		: 3000.283
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		: 3000.283
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:       1442392 kB
Buffers:         66612 kB
Cached:         306368 kB
SwapCached:          0 kB
Active:         216720 kB
Inactive:       328056 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1442392 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3096 kB
Writeback:           0 kB
Mapped:         192216 kB
Slab:            53532 kB
Committed_AS:   727828 kB
PageTables:       2152 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= 66288 MiB
End job on node42 at 2009-07-16 03:09:58