Trace number 2073596

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 0.776881 0.787684

DiagnosticValue
ASSIGNMENTS0

General information on the benchmark

Namecsp/bddSmall/
normalized-bdd-21-133-18-78-5_ext.xml
MD5SUM3f3857850da57279fca201746d0d31de
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.774881
Satisfiable
(Un)Satisfiability was proved
Number of variables21
Number of constraints133
Maximum constraint arity18
Maximum domain size2
Number of constraints which are defined in extension133
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.01/0.04	c small-domain mode
0.01/0.05	c Seed is 1114314741
0.01/0.05	c Constructing HOME/instance-2073596-1247712118.xml  with 133 constraints
0.66/0.77	c Solving 0 backtracks
0.66/0.78	s SATISFIABLE
0.66/0.78	c V0=0, V1=0, V2=0, V3=0, V4=0, V5=0, V6=0, V7=0, V8=0, V9=0, V10=0, V11=0, V12=0, V13=0, V14=0, V15=0, V16=0, V17=0, V18=0, V19=0, V20=0, 
0.66/0.78	v 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
0.66/0.78	d ASSIGNMENTS 0

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-2073596-1247712118/watcher-2073596-1247712118 -o /tmp/evaluation-result-2073596-1247712118/solver-2073596-1247712118 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1114314741 HOME/instance-2073596-1247712118.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 2.00 2.00 4/72 14024
/proc/meminfo: memFree=1032104/2055920 swapFree=4192812/4192956
[pid=14024] ppid=14022 vsize=5356 CPUtime=0
/proc/14024/stat : 14024 (pcssolve) R 14022 14024 13226 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 58278487 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 255236565663 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14024/statm: 1339 241 200 169 0 50 0
[pid=14025] ppid=14024 vsize=3676 CPUtime=0
/proc/14025/stat : 14025 (fgrep) R 14024 14024 13226 0 -1 4194304 147 0 0 0 0 0 0 0 22 0 1 0 58278487 3764224 114 996147200 4194304 4274172 548682068976 18446744073709551615 4208896 0 0 4096 0 0 0 0 17 1 0 0
/proc/14025/statm: 919 114 86 19 0 43 0
[pid=14026] ppid=14024 vsize=5356 CPUtime=0
/proc/14026/stat : 14026 (pcssolve) R 14024 14024 13226 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 58278487 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 255236565663 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/14026/statm: 1339 241 200 169 0 50 0

[startup+0.040686 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 14024
/proc/meminfo: memFree=1032104/2055920 swapFree=4192812/4192956
[pid=14024] ppid=14022 vsize=5356 CPUtime=0.01
/proc/14024/stat : 14024 (pcssolve) S 14022 14024 13226 0 -1 4194304 367 2676 0 0 0 0 0 1 22 0 1 0 58278487 5484544 243 996147200 4194304 4889804 548682068800 18446744073709551615 255236563780 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/14024/statm: 1339 243 202 169 0 50 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 5356

[startup+0.10169 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 14024
/proc/meminfo: memFree=1032104/2055920 swapFree=4192812/4192956
[pid=14024] ppid=14022 vsize=5980 CPUtime=0.06
/proc/14024/stat : 14024 (pcs.small) R 14022 14024 13226 0 -1 4194304 1065 3863 0 0 4 0 1 1 18 0 1 0 58278487 6123520 674 996147200 134512640 135095119 4294956304 18446744073709551615 7919227 0 0 4096 0 0 0 0 17 1 0 0
/proc/14024/statm: 1495 674 361 142 0 449 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5980

[startup+0.301712 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 14024
/proc/meminfo: memFree=1032104/2055920 swapFree=4192812/4192956
[pid=14024] ppid=14022 vsize=9544 CPUtime=0.27
/proc/14024/stat : 14024 (pcs.small) R 14022 14024 13226 0 -1 4194304 2096 3863 0 0 24 1 1 1 19 0 1 0 58278487 9773056 1705 996147200 134512640 135095119 4294956304 18446744073709551615 134681616 0 0 4096 0 0 0 0 17 1 0 0
/proc/14024/statm: 2386 1705 362 142 0 1340 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 9544

[startup+0.701752 s]
/proc/loadavg: 2.00 2.00 2.00 4/72 14024
/proc/meminfo: memFree=1032104/2055920 swapFree=4192812/4192956
[pid=14024] ppid=14022 vsize=14436 CPUtime=0.66
/proc/14024/stat : 14024 (pcs.small) R 14022 14024 13226 0 -1 4194304 4049 3863 0 0 63 1 1 1 23 0 1 0 58278487 14782464 2912 996147200 134512640 135095119 4294956304 18446744073709551615 134934159 0 0 4096 0 0 0 0 17 1 0 0
/proc/14024/statm: 3609 2912 374 142 0 2563 0
Current children cumulated CPU time (s) 0.66
Current children cumulated vsize (KiB) 14436

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

Child status: 0
Real time (s): 0.787684
CPU time (s): 0.776881
CPU user time (s): 0.737887
CPU system time (s): 0.038994
CPU usage (%): 98.6285
Max. virtual memory (cumulated for all children) (KiB): 14436

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.737887
system time used= 0.038994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8018
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= 28

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node19 at 2009-07-16 04:41:59
IDJOB=2073596
IDBENCH=55993
IDSOLVER=734
FILE ID=node19/2073596-1247712118
PBS_JOBID= 9521369
Free space on /tmp= 66388 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/bddSmall/normalized-bdd-21-133-18-78-5_ext.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2073596-1247712118/watcher-2073596-1247712118 -o /tmp/evaluation-result-2073596-1247712118/solver-2073596-1247712118 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1114314741 HOME/instance-2073596-1247712118.xml

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

MD5SUM BENCH= 3f3857850da57279fca201746d0d31de
RANDOM SEED=1114314741

node19.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:       1032584 kB
Buffers:         65952 kB
Cached:         862724 kB
SwapCached:          0 kB
Active:          71892 kB
Inactive:       878204 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1032584 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3756 kB
Writeback:           0 kB
Mapped:          32896 kB
Slab:            58532 kB
Committed_AS:   572016 kB
PageTables:       1824 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= 66388 MiB
End job on node19 at 2009-07-16 04:41:59