Trace number 2090096

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 5.17821 5.23323

DiagnosticValue
ASSIGNMENTS13397

General information on the benchmark

Namecsp/rand-2-30-15/
normalized-rand-2-30-15-306-230-8_ext.xml
MD5SUMfc3ef70f9a111ade942deca2a1c9a269
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.426934
Satisfiable
(Un)Satisfiability was proved
Number of variables30
Number of constraints218
Maximum constraint arity2
Maximum domain size15
Number of constraints which are defined in extension218
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c small-domain mode
0.00/0.02	c Seed is 1317929805
0.00/0.02	c Constructing HOME/instance-2090096-1247730993.xml  with 3202 constraints
0.00/0.06	c Solving 13397 backtracks 14 restarts
5.13/5.23	s UNSATISFIABLE
5.13/5.23	d ASSIGNMENTS 13397

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-2090096-1247730993/watcher-2090096-1247730993 -o /tmp/evaluation-result-2090096-1247730993/solver-2090096-1247730993 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1317929805 HOME/instance-2090096-1247730993.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: 1.99 1.98 1.99 4/74 22346
/proc/meminfo: memFree=1453688/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=5260 CPUtime=0
/proc/22346/stat : 22346 (pcssolve) R 22344 22346 21471 0 -1 4194304 69 0 0 0 0 0 0 0 20 0 1 0 59790590 5386240 52 996147200 4194304 4889804 548682068800 18446744073709551615 264516994000 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 1315 52 38 169 0 14 0

[startup+0.094664 s]
/proc/loadavg: 1.99 1.98 1.99 4/74 22346
/proc/meminfo: memFree=1453688/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=5300 CPUtime=0.07
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 1042 822 0 0 7 0 0 0 24 0 1 0 59790590 5427200 651 996147200 134512640 135095119 4294956304 18446744073709551615 134580565 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 1325 651 378 142 0 279 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5300

[startup+0.101661 s]
/proc/loadavg: 1.99 1.98 1.99 4/74 22346
/proc/meminfo: memFree=1453688/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=5300 CPUtime=0.07
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 1043 822 0 0 7 0 0 0 24 0 1 0 59790590 5427200 652 996147200 134512640 135095119 4294956304 18446744073709551615 134578304 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 1325 652 378 142 0 279 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5300

[startup+0.301691 s]
/proc/loadavg: 1.99 1.98 1.99 4/74 22346
/proc/meminfo: memFree=1453688/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=5428 CPUtime=0.27
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 1082 822 0 0 27 0 0 0 25 0 1 0 59790590 5558272 658 996147200 134512640 135095119 4294956304 18446744073709551615 134643638 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 1357 658 378 142 0 311 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 5428

[startup+0.701742 s]
/proc/loadavg: 1.99 1.98 1.99 4/74 22346
/proc/meminfo: memFree=1453688/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=5688 CPUtime=0.67
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 1142 822 0 0 67 0 0 0 25 0 1 0 59790590 5824512 718 996147200 134512640 135095119 4294956304 18446744073709551615 134842697 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 1422 718 378 142 0 376 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 5688

[startup+1.50185 s]
/proc/loadavg: 1.99 1.98 1.99 3/75 22352
/proc/meminfo: memFree=1451888/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=6728 CPUtime=1.46
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 1488 822 0 0 146 0 0 0 25 0 1 0 59790590 6889472 934 996147200 134512640 135095119 4294956304 18446744073709551615 134615581 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 1682 934 378 142 0 636 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 6728

[startup+3.10116 s]
/proc/loadavg: 1.99 1.98 1.99 3/75 22352
/proc/meminfo: memFree=1450800/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=7624 CPUtime=3.04
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 1824 822 0 0 304 0 0 0 25 0 1 0 59790590 7806976 1141 996147200 134512640 135095119 4294956304 18446744073709551615 134589560 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 1906 1141 378 142 0 860 0
Current children cumulated CPU time (s) 3.04
Current children cumulated vsize (KiB) 7624

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

[startup+3.90116 s]
/proc/loadavg: 1.99 1.98 1.99 3/75 22352
/proc/meminfo: memFree=1450288/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=7884 CPUtime=3.83
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 1934 822 0 0 383 0 0 0 25 0 1 0 59790590 8073216 1251 996147200 134512640 135095119 4294956304 18446744073709551615 134617208 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 1971 1251 378 142 0 925 0
Current children cumulated CPU time (s) 3.83
Current children cumulated vsize (KiB) 7884

[startup+4.70126 s]
/proc/loadavg: 1.99 1.98 1.99 3/75 22352
/proc/meminfo: memFree=1449648/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=8144 CPUtime=4.63
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 2039 822 0 0 462 1 0 0 25 0 1 0 59790590 8339456 1356 996147200 134512640 135095119 4294956304 18446744073709551615 134642865 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 2036 1356 378 142 0 990 0
Current children cumulated CPU time (s) 4.63
Current children cumulated vsize (KiB) 8144

[startup+5.10132 s]
/proc/loadavg: 1.99 1.98 1.99 3/75 22352
/proc/meminfo: memFree=1449648/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=10472 CPUtime=5.03
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 2628 822 0 0 502 1 0 0 25 0 1 0 59790590 10723328 1559 996147200 134512640 135095119 4294956304 18446744073709551615 134617027 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 2618 1559 378 142 0 1572 0
Current children cumulated CPU time (s) 5.03
Current children cumulated vsize (KiB) 10472

[startup+5.20133 s]
/proc/loadavg: 1.99 1.98 1.99 3/75 22352
/proc/meminfo: memFree=1449648/2055920 swapFree=4192812/4192956
[pid=22346] ppid=22344 vsize=10472 CPUtime=5.13
/proc/22346/stat : 22346 (pcs.small) R 22344 22346 21471 0 -1 4194304 2632 822 0 0 512 1 0 0 25 0 1 0 59790590 10723328 1563 996147200 134512640 135095119 4294956304 18446744073709551615 134642952 0 0 4096 0 0 0 0 17 1 0 0
/proc/22346/statm: 2618 1563 378 142 0 1572 0
Current children cumulated CPU time (s) 5.13
Current children cumulated vsize (KiB) 10472

Child status: 0
Real time (s): 5.23323
CPU time (s): 5.17821
CPU user time (s): 5.15422
CPU system time (s): 0.023996
CPU usage (%): 98.9487
Max. virtual memory (cumulated for all children) (KiB): 10472

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.15422
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3458
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= 138

runsolver used 0.013997 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node40 at 2009-07-16 09:56:33
IDJOB=2090096
IDBENCH=59677
IDSOLVER=734
FILE ID=node40/2090096-1247730993
PBS_JOBID= 9521496
Free space on /tmp= 66244 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/rand-2-30-15/normalized-rand-2-30-15-306-230-8_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2090096-1247730993/watcher-2090096-1247730993 -o /tmp/evaluation-result-2090096-1247730993/solver-2090096-1247730993 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1317929805 HOME/instance-2090096-1247730993.xml

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

MD5SUM BENCH= fc3ef70f9a111ade942deca2a1c9a269
RANDOM SEED=1317929805

node40.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		: 3000.213
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		: 3000.213
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:       1454168 kB
Buffers:         70636 kB
Cached:         378300 kB
SwapCached:          0 kB
Active:         112884 kB
Inactive:       399992 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1454168 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1828 kB
Writeback:           0 kB
Mapped:          75764 kB
Slab:            73988 kB
Committed_AS:   710096 kB
PageTables:       1920 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66244 MiB
End job on node40 at 2009-07-16 09:56:38